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4522 lines
160 KiB
4522 lines
160 KiB
/* |
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* MOV, 3GP, MP4 muxer |
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* Copyright (c) 2003 Thomas Raivio |
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* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> |
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include <stdint.h> |
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#include <inttypes.h> |
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|
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#include "movenc.h" |
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#include "avformat.h" |
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#include "avio_internal.h" |
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#include "riff.h" |
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#include "avio.h" |
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#include "isom.h" |
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#include "avc.h" |
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#include "libavcodec/get_bits.h" |
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#include "libavcodec/put_bits.h" |
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#include "libavcodec/vc1.h" |
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#include "libavcodec/raw.h" |
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#include "internal.h" |
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#include "libavutil/avstring.h" |
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#include "libavutil/intfloat.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/dict.h" |
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#include "libavutil/pixdesc.h" |
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#include "hevc.h" |
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#include "rtpenc.h" |
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#include "mov_chan.h" |
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|
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#undef NDEBUG |
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#include <assert.h> |
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|
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static const AVOption options[] = { |
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{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 }, |
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{ "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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{ "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
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FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags), |
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{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
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{ "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM }, |
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{ NULL }, |
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}; |
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#define MOV_CLASS(flavor)\ |
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static const AVClass flavor ## _muxer_class = {\ |
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.class_name = #flavor " muxer",\ |
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.item_name = av_default_item_name,\ |
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.option = options,\ |
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.version = LIBAVUTIL_VERSION_INT,\ |
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}; |
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static int get_moov_size(AVFormatContext *s); |
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|
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//FIXME support 64 bit variant with wide placeholders |
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static int64_t update_size(AVIOContext *pb, int64_t pos) |
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{ |
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int64_t curpos = avio_tell(pb); |
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avio_seek(pb, pos, SEEK_SET); |
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avio_wb32(pb, curpos - pos); /* rewrite size */ |
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avio_seek(pb, curpos, SEEK_SET); |
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|
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return curpos - pos; |
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} |
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static int supports_edts(MOVMuxContext *mov) |
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{ |
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// EDTS with fragments is tricky as we don't know the duration when its written |
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return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0; |
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} |
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static int co64_required(const MOVTrack *track) |
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{ |
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if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX) |
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return 1; |
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return 0; |
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} |
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/* Chunk offset atom */ |
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static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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int i; |
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int mode64 = co64_required(track); // use 32 bit size variant if possible |
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); /* size */ |
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if (mode64) |
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ffio_wfourcc(pb, "co64"); |
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else |
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ffio_wfourcc(pb, "stco"); |
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avio_wb32(pb, 0); /* version & flags */ |
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avio_wb32(pb, track->chunkCount); /* entry count */ |
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for (i = 0; i < track->entry; i++) { |
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if (!track->cluster[i].chunkNum) |
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continue; |
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if (mode64 == 1) |
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avio_wb64(pb, track->cluster[i].pos + track->data_offset); |
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else |
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avio_wb32(pb, track->cluster[i].pos + track->data_offset); |
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} |
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return update_size(pb, pos); |
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} |
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/* Sample size atom */ |
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static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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int equalChunks = 1; |
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int i, j, entries = 0, tst = -1, oldtst = -1; |
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); /* size */ |
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ffio_wfourcc(pb, "stsz"); |
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avio_wb32(pb, 0); /* version & flags */ |
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|
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for (i = 0; i < track->entry; i++) { |
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tst = track->cluster[i].size / track->cluster[i].entries; |
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if (oldtst != -1 && tst != oldtst) |
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equalChunks = 0; |
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oldtst = tst; |
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entries += track->cluster[i].entries; |
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} |
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if (equalChunks && track->entry) { |
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int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0; |
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sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0 |
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avio_wb32(pb, sSize); // sample size |
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avio_wb32(pb, entries); // sample count |
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} else { |
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avio_wb32(pb, 0); // sample size |
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avio_wb32(pb, entries); // sample count |
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for (i = 0; i < track->entry; i++) { |
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for (j = 0; j < track->cluster[i].entries; j++) { |
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avio_wb32(pb, track->cluster[i].size / |
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track->cluster[i].entries); |
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} |
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} |
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} |
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return update_size(pb, pos); |
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} |
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/* Sample to chunk atom */ |
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static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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int index = 0, oldval = -1, i; |
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int64_t entryPos, curpos; |
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|
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); /* size */ |
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ffio_wfourcc(pb, "stsc"); |
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avio_wb32(pb, 0); // version & flags |
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entryPos = avio_tell(pb); |
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avio_wb32(pb, track->chunkCount); // entry count |
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for (i = 0; i < track->entry; i++) { |
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if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) { |
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avio_wb32(pb, track->cluster[i].chunkNum); // first chunk |
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avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk |
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avio_wb32(pb, 0x1); // sample description index |
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oldval = track->cluster[i].samples_in_chunk; |
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index++; |
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} |
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} |
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curpos = avio_tell(pb); |
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avio_seek(pb, entryPos, SEEK_SET); |
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avio_wb32(pb, index); // rewrite size |
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avio_seek(pb, curpos, SEEK_SET); |
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return update_size(pb, pos); |
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} |
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/* Sync sample atom */ |
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static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag) |
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{ |
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int64_t curpos, entryPos; |
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int i, index = 0; |
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); // size |
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ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); |
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avio_wb32(pb, 0); // version & flags |
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entryPos = avio_tell(pb); |
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avio_wb32(pb, track->entry); // entry count |
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for (i = 0; i < track->entry; i++) { |
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if (track->cluster[i].flags & flag) { |
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avio_wb32(pb, i + 1); |
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index++; |
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} |
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} |
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curpos = avio_tell(pb); |
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avio_seek(pb, entryPos, SEEK_SET); |
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avio_wb32(pb, index); // rewrite size |
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avio_seek(pb, curpos, SEEK_SET); |
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return update_size(pb, pos); |
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} |
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static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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avio_wb32(pb, 0x11); /* size */ |
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if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr"); |
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else ffio_wfourcc(pb, "damr"); |
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ffio_wfourcc(pb, "FFMP"); |
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avio_w8(pb, 0); /* decoder version */ |
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avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ |
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avio_w8(pb, 0x00); /* Mode change period (no restriction) */ |
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avio_w8(pb, 0x01); /* Frames per sample */ |
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return 0x11; |
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} |
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static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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GetBitContext gbc; |
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PutBitContext pbc; |
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uint8_t buf[3]; |
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int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; |
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if (track->vos_len < 7) |
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return -1; |
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avio_wb32(pb, 11); |
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ffio_wfourcc(pb, "dac3"); |
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|
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init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8); |
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fscod = get_bits(&gbc, 2); |
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frmsizecod = get_bits(&gbc, 6); |
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bsid = get_bits(&gbc, 5); |
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bsmod = get_bits(&gbc, 3); |
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acmod = get_bits(&gbc, 3); |
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if (acmod == 2) { |
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skip_bits(&gbc, 2); // dsurmod |
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} else { |
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if ((acmod & 1) && acmod != 1) |
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skip_bits(&gbc, 2); // cmixlev |
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if (acmod & 4) |
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skip_bits(&gbc, 2); // surmixlev |
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} |
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lfeon = get_bits1(&gbc); |
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|
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init_put_bits(&pbc, buf, sizeof(buf)); |
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put_bits(&pbc, 2, fscod); |
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put_bits(&pbc, 5, bsid); |
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put_bits(&pbc, 3, bsmod); |
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put_bits(&pbc, 3, acmod); |
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put_bits(&pbc, 1, lfeon); |
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put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code |
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put_bits(&pbc, 5, 0); // reserved |
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|
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flush_put_bits(&pbc); |
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avio_write(pb, buf, sizeof(buf)); |
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|
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return 11; |
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} |
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|
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/** |
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* This function writes extradata "as is". |
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* Extradata must be formatted like a valid atom (with size and tag). |
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*/ |
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static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
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return track->enc->extradata_size; |
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} |
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|
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static int mov_write_enda_tag(AVIOContext *pb) |
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{ |
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avio_wb32(pb, 10); |
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ffio_wfourcc(pb, "enda"); |
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avio_wb16(pb, 1); /* little endian */ |
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return 10; |
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} |
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|
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static int mov_write_enda_tag_be(AVIOContext *pb) |
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{ |
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avio_wb32(pb, 10); |
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ffio_wfourcc(pb, "enda"); |
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avio_wb16(pb, 0); /* big endian */ |
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return 10; |
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} |
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|
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static void put_descr(AVIOContext *pb, int tag, unsigned int size) |
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{ |
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int i = 3; |
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avio_w8(pb, tag); |
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for (; i > 0; i--) |
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avio_w8(pb, (size >> (7 * i)) | 0x80); |
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avio_w8(pb, size & 0x7F); |
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} |
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|
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static unsigned compute_avg_bitrate(MOVTrack *track) |
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{ |
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uint64_t size = 0; |
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int i; |
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if (!track->track_duration) |
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return 0; |
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for (i = 0; i < track->entry; i++) |
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size += track->cluster[i].size; |
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return size * 8 * track->timescale / track->track_duration; |
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} |
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|
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static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic |
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{ |
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int64_t pos = avio_tell(pb); |
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int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0; |
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unsigned avg_bitrate; |
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|
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avio_wb32(pb, 0); // size |
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ffio_wfourcc(pb, "esds"); |
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avio_wb32(pb, 0); // Version |
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|
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// ES descriptor |
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put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1); |
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avio_wb16(pb, track->track_id); |
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avio_w8(pb, 0x00); // flags (= no flags) |
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|
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// DecoderConfig descriptor |
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put_descr(pb, 0x04, 13 + decoder_specific_info_len); |
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|
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// Object type indication |
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if ((track->enc->codec_id == AV_CODEC_ID_MP2 || |
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track->enc->codec_id == AV_CODEC_ID_MP3) && |
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track->enc->sample_rate > 24000) |
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avio_w8(pb, 0x6B); // 11172-3 |
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else |
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avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); |
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|
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// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) |
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// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) |
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if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
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avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream) |
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else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
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avio_w8(pb, 0x15); // flags (= Audiostream) |
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else |
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avio_w8(pb, 0x11); // flags (= Visualstream) |
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|
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avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB |
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|
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avg_bitrate = compute_avg_bitrate(track); |
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// maxbitrate (FIXME should be max rate in any 1 sec window) |
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avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate)); |
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avio_wb32(pb, avg_bitrate); |
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|
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if (track->vos_len) { |
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// DecoderSpecific info descriptor |
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put_descr(pb, 0x05, track->vos_len); |
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avio_write(pb, track->vos_data, track->vos_len); |
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} |
|
|
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// SL descriptor |
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put_descr(pb, 0x06, 1); |
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avio_w8(pb, 0x02); |
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return update_size(pb, pos); |
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} |
|
|
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static int mov_pcm_le_gt16(enum AVCodecID codec_id) |
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{ |
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return codec_id == AV_CODEC_ID_PCM_S24LE || |
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codec_id == AV_CODEC_ID_PCM_S32LE || |
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codec_id == AV_CODEC_ID_PCM_F32LE || |
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codec_id == AV_CODEC_ID_PCM_F64LE; |
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} |
|
|
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static int mov_pcm_be_gt16(enum AVCodecID codec_id) |
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{ |
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return codec_id == AV_CODEC_ID_PCM_S24BE || |
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codec_id == AV_CODEC_ID_PCM_S32BE || |
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codec_id == AV_CODEC_ID_PCM_F32BE || |
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codec_id == AV_CODEC_ID_PCM_F64BE; |
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} |
|
|
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static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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int ret; |
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); |
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avio_wl32(pb, track->tag); // store it byteswapped |
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track->enc->codec_tag = av_bswap16(track->tag >> 16); |
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if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0) |
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return ret; |
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return update_size(pb, pos); |
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} |
|
|
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static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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int ret; |
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int64_t pos = avio_tell(pb); |
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avio_wb32(pb, 0); |
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ffio_wfourcc(pb, "wfex"); |
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if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0) |
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return ret; |
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return update_size(pb, pos); |
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} |
|
|
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static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track) |
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{ |
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uint32_t layout_tag, bitmap; |
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int64_t pos = avio_tell(pb); |
|
|
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layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id, |
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track->enc->channel_layout, |
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&bitmap); |
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if (!layout_tag) { |
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av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to " |
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"lack of channel information\n"); |
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return 0; |
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} |
|
|
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avio_wb32(pb, 0); // Size |
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ffio_wfourcc(pb, "chan"); // Type |
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avio_w8(pb, 0); // Version |
|
avio_wb24(pb, 0); // Flags |
|
avio_wb32(pb, layout_tag); // mChannelLayoutTag |
|
avio_wb32(pb, bitmap); // mChannelBitmap |
|
avio_wb32(pb, 0); // mNumberChannelDescriptions |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "wave"); |
|
|
|
if (track->enc->codec_id != AV_CODEC_ID_QDM2) { |
|
avio_wb32(pb, 12); /* size */ |
|
ffio_wfourcc(pb, "frma"); |
|
avio_wl32(pb, track->tag); |
|
} |
|
|
|
if (track->enc->codec_id == AV_CODEC_ID_AAC) { |
|
/* useless atom needed by mplayer, ipod, not needed by quicktime */ |
|
avio_wb32(pb, 12); /* size */ |
|
ffio_wfourcc(pb, "mp4a"); |
|
avio_wb32(pb, 0); |
|
mov_write_esds_tag(pb, track); |
|
} else if (mov_pcm_le_gt16(track->enc->codec_id)) { |
|
mov_write_enda_tag(pb); |
|
} else if (mov_pcm_be_gt16(track->enc->codec_id)) { |
|
mov_write_enda_tag_be(pb); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) { |
|
mov_write_amr_tag(pb, track); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_AC3) { |
|
mov_write_ac3_tag(pb, track); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_ALAC || |
|
track->enc->codec_id == AV_CODEC_ID_QDM2) { |
|
mov_write_extradata_tag(pb, track); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
|
track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { |
|
mov_write_ms_tag(pb, track); |
|
} |
|
|
|
avio_wb32(pb, 8); /* size */ |
|
avio_wb32(pb, 0); /* null tag */ |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf) |
|
{ |
|
uint8_t *unescaped; |
|
const uint8_t *start, *next, *end = track->vos_data + track->vos_len; |
|
int unescaped_size, seq_found = 0; |
|
int level = 0, interlace = 0; |
|
int packet_seq = track->vc1_info.packet_seq; |
|
int packet_entry = track->vc1_info.packet_entry; |
|
int slices = track->vc1_info.slices; |
|
PutBitContext pbc; |
|
|
|
if (track->start_dts == AV_NOPTS_VALUE) { |
|
/* No packets written yet, vc1_info isn't authoritative yet. */ |
|
/* Assume inline sequence and entry headers. This will be |
|
* overwritten at the end if the file is seekable. */ |
|
packet_seq = packet_entry = 1; |
|
} |
|
|
|
unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE); |
|
if (!unescaped) |
|
return AVERROR(ENOMEM); |
|
start = find_next_marker(track->vos_data, end); |
|
for (next = start; next < end; start = next) { |
|
GetBitContext gb; |
|
int size; |
|
next = find_next_marker(start + 4, end); |
|
size = next - start - 4; |
|
if (size <= 0) |
|
continue; |
|
unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped); |
|
init_get_bits(&gb, unescaped, 8 * unescaped_size); |
|
if (AV_RB32(start) == VC1_CODE_SEQHDR) { |
|
int profile = get_bits(&gb, 2); |
|
if (profile != PROFILE_ADVANCED) { |
|
av_free(unescaped); |
|
return AVERROR(ENOSYS); |
|
} |
|
seq_found = 1; |
|
level = get_bits(&gb, 3); |
|
/* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag, |
|
* width, height */ |
|
skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12); |
|
skip_bits(&gb, 1); /* broadcast */ |
|
interlace = get_bits1(&gb); |
|
skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */ |
|
} |
|
} |
|
if (!seq_found) { |
|
av_free(unescaped); |
|
return AVERROR(ENOSYS); |
|
} |
|
|
|
init_put_bits(&pbc, buf, 7); |
|
/* VC1DecSpecStruc */ |
|
put_bits(&pbc, 4, 12); /* profile - advanced */ |
|
put_bits(&pbc, 3, level); |
|
put_bits(&pbc, 1, 0); /* reserved */ |
|
/* VC1AdvDecSpecStruc */ |
|
put_bits(&pbc, 3, level); |
|
put_bits(&pbc, 1, 0); /* cbr */ |
|
put_bits(&pbc, 6, 0); /* reserved */ |
|
put_bits(&pbc, 1, !interlace); /* no interlace */ |
|
put_bits(&pbc, 1, !packet_seq); /* no multiple seq */ |
|
put_bits(&pbc, 1, !packet_entry); /* no multiple entry */ |
|
put_bits(&pbc, 1, !slices); /* no slice code */ |
|
put_bits(&pbc, 1, 0); /* no bframe */ |
|
put_bits(&pbc, 1, 0); /* reserved */ |
|
|
|
/* framerate */ |
|
if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0) |
|
put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den); |
|
else |
|
put_bits32(&pbc, 0xffffffff); |
|
|
|
flush_put_bits(&pbc); |
|
|
|
av_free(unescaped); |
|
|
|
return 0; |
|
} |
|
|
|
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
uint8_t buf[7] = { 0 }; |
|
int ret; |
|
|
|
if ((ret = mov_write_dvc1_structs(track, buf)) < 0) |
|
return ret; |
|
|
|
avio_wb32(pb, track->vos_len + 8 + sizeof(buf)); |
|
ffio_wfourcc(pb, "dvc1"); |
|
track->vc1_info.struct_offset = avio_tell(pb); |
|
avio_write(pb, buf, sizeof(buf)); |
|
avio_write(pb, track->vos_data, track->vos_len); |
|
|
|
return 0; |
|
} |
|
|
|
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
avio_wb32(pb, track->vos_len + 8); |
|
ffio_wfourcc(pb, "glbl"); |
|
avio_write(pb, track->vos_data, track->vos_len); |
|
return 8 + track->vos_len; |
|
} |
|
|
|
/** |
|
* Compute flags for 'lpcm' tag. |
|
* See CoreAudioTypes and AudioStreamBasicDescription at Apple. |
|
*/ |
|
static int mov_get_lpcm_flags(enum AVCodecID codec_id) |
|
{ |
|
switch (codec_id) { |
|
case AV_CODEC_ID_PCM_F32BE: |
|
case AV_CODEC_ID_PCM_F64BE: |
|
return 11; |
|
case AV_CODEC_ID_PCM_F32LE: |
|
case AV_CODEC_ID_PCM_F64LE: |
|
return 9; |
|
case AV_CODEC_ID_PCM_U8: |
|
return 10; |
|
case AV_CODEC_ID_PCM_S16BE: |
|
case AV_CODEC_ID_PCM_S24BE: |
|
case AV_CODEC_ID_PCM_S32BE: |
|
return 14; |
|
case AV_CODEC_ID_PCM_S8: |
|
case AV_CODEC_ID_PCM_S16LE: |
|
case AV_CODEC_ID_PCM_S24LE: |
|
case AV_CODEC_ID_PCM_S32LE: |
|
return 12; |
|
default: |
|
return 0; |
|
} |
|
} |
|
|
|
static int get_cluster_duration(MOVTrack *track, int cluster_idx) |
|
{ |
|
int64_t next_dts; |
|
|
|
if (cluster_idx >= track->entry) |
|
return 0; |
|
|
|
if (cluster_idx + 1 == track->entry) |
|
next_dts = track->track_duration + track->start_dts; |
|
else |
|
next_dts = track->cluster[cluster_idx + 1].dts; |
|
|
|
next_dts -= track->cluster[cluster_idx].dts; |
|
|
|
av_assert0(next_dts >= 0); |
|
av_assert0(next_dts <= INT_MAX); |
|
|
|
return next_dts; |
|
} |
|
|
|
static int get_samples_per_packet(MOVTrack *track) |
|
{ |
|
int i, first_duration; |
|
|
|
// return track->enc->frame_size; |
|
|
|
/* use 1 for raw PCM */ |
|
if (!track->audio_vbr) |
|
return 1; |
|
|
|
/* check to see if duration is constant for all clusters */ |
|
if (!track->entry) |
|
return 0; |
|
first_duration = get_cluster_duration(track, 0); |
|
for (i = 1; i < track->entry; i++) { |
|
if (get_cluster_duration(track, i) != first_duration) |
|
return 0; |
|
} |
|
return first_duration; |
|
} |
|
|
|
static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int version = 0; |
|
uint32_t tag = track->tag; |
|
|
|
if (track->mode == MODE_MOV) { |
|
if (track->timescale > UINT16_MAX) { |
|
if (mov_get_lpcm_flags(track->enc->codec_id)) |
|
tag = AV_RL32("lpcm"); |
|
version = 2; |
|
} else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) || |
|
mov_pcm_be_gt16(track->enc->codec_id) || |
|
track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
|
track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
|
track->enc->codec_id == AV_CODEC_ID_QDM2) { |
|
version = 1; |
|
} |
|
} |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
avio_wl32(pb, tag); // store it byteswapped |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */ |
|
|
|
/* SoundDescription */ |
|
avio_wb16(pb, version); /* Version */ |
|
avio_wb16(pb, 0); /* Revision level */ |
|
avio_wb32(pb, 0); /* Reserved */ |
|
|
|
if (version == 2) { |
|
avio_wb16(pb, 3); |
|
avio_wb16(pb, 16); |
|
avio_wb16(pb, 0xfffe); |
|
avio_wb16(pb, 0); |
|
avio_wb32(pb, 0x00010000); |
|
avio_wb32(pb, 72); |
|
avio_wb64(pb, av_double2int(track->enc->sample_rate)); |
|
avio_wb32(pb, track->enc->channels); |
|
avio_wb32(pb, 0x7F000000); |
|
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id)); |
|
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id)); |
|
avio_wb32(pb, track->sample_size); |
|
avio_wb32(pb, get_samples_per_packet(track)); |
|
} else { |
|
if (track->mode == MODE_MOV) { |
|
avio_wb16(pb, track->enc->channels); |
|
if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 || |
|
track->enc->codec_id == AV_CODEC_ID_PCM_S8) |
|
avio_wb16(pb, 8); /* bits per sample */ |
|
else |
|
avio_wb16(pb, 16); |
|
avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ |
|
} else { /* reserved for mp4/3gp */ |
|
avio_wb16(pb, 2); |
|
avio_wb16(pb, 16); |
|
avio_wb16(pb, 0); |
|
} |
|
|
|
avio_wb16(pb, 0); /* packet size (= 0) */ |
|
avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ? |
|
track->enc->sample_rate : 0); |
|
avio_wb16(pb, 0); /* Reserved */ |
|
} |
|
|
|
if (version == 1) { /* SoundDescription V1 extended info */ |
|
if (mov_pcm_le_gt16(track->enc->codec_id) || |
|
mov_pcm_be_gt16(track->enc->codec_id)) |
|
avio_wb32(pb, 1); /* must be 1 for uncompressed formats */ |
|
else |
|
avio_wb32(pb, track->enc->frame_size); /* Samples per packet */ |
|
avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */ |
|
avio_wb32(pb, track->sample_size); /* Bytes per frame */ |
|
avio_wb32(pb, 2); /* Bytes per sample */ |
|
} |
|
|
|
if (track->mode == MODE_MOV && |
|
(track->enc->codec_id == AV_CODEC_ID_AAC || |
|
track->enc->codec_id == AV_CODEC_ID_AC3 || |
|
track->enc->codec_id == AV_CODEC_ID_AMR_NB || |
|
track->enc->codec_id == AV_CODEC_ID_ALAC || |
|
track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
|
track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
|
track->enc->codec_id == AV_CODEC_ID_QDM2 || |
|
(mov_pcm_le_gt16(track->enc->codec_id) && version==1) || |
|
(mov_pcm_be_gt16(track->enc->codec_id) && version==1))) |
|
mov_write_wave_tag(pb, track); |
|
else if (track->tag == MKTAG('m','p','4','a')) |
|
mov_write_esds_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) |
|
mov_write_amr_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_AC3) |
|
mov_write_ac3_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_ALAC) |
|
mov_write_extradata_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) |
|
mov_write_wfex_tag(pb, track); |
|
else if (track->vos_len > 0) |
|
mov_write_glbl_tag(pb, track); |
|
|
|
if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
|
mov_write_chan_tag(pb, track); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_d263_tag(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 0xf); /* size */ |
|
ffio_wfourcc(pb, "d263"); |
|
ffio_wfourcc(pb, "FFMP"); |
|
avio_w8(pb, 0); /* decoder version */ |
|
/* FIXME use AVCodecContext level/profile, when encoder will set values */ |
|
avio_w8(pb, 0xa); /* level */ |
|
avio_w8(pb, 0); /* profile */ |
|
return 0xf; |
|
} |
|
|
|
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
|
|
avio_wb32(pb, 0); |
|
ffio_wfourcc(pb, "avcC"); |
|
ff_isom_write_avcc(pb, track->vos_data, track->vos_len); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
|
|
avio_wb32(pb, 0); |
|
ffio_wfourcc(pb, "hvcC"); |
|
ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0); |
|
return update_size(pb, pos); |
|
} |
|
|
|
/* also used by all avid codecs (dv, imx, meridien) and their variants */ |
|
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int i; |
|
avio_wb32(pb, 24); /* size */ |
|
ffio_wfourcc(pb, "ACLR"); |
|
ffio_wfourcc(pb, "ACLR"); |
|
ffio_wfourcc(pb, "0001"); |
|
avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */ |
|
avio_wb32(pb, 0); /* unknown */ |
|
|
|
avio_wb32(pb, 24); /* size */ |
|
ffio_wfourcc(pb, "APRG"); |
|
ffio_wfourcc(pb, "APRG"); |
|
ffio_wfourcc(pb, "0001"); |
|
avio_wb32(pb, 1); /* unknown */ |
|
avio_wb32(pb, 0); /* unknown */ |
|
|
|
avio_wb32(pb, 120); /* size */ |
|
ffio_wfourcc(pb, "ARES"); |
|
ffio_wfourcc(pb, "ARES"); |
|
ffio_wfourcc(pb, "0001"); |
|
avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */ |
|
avio_wb32(pb, track->enc->width); |
|
/* values below are based on samples created with quicktime and avid codecs */ |
|
if (track->vos_data[5] & 2) { // interlaced |
|
avio_wb32(pb, track->enc->height / 2); |
|
avio_wb32(pb, 2); /* unknown */ |
|
avio_wb32(pb, 0); /* unknown */ |
|
avio_wb32(pb, 4); /* unknown */ |
|
} else { |
|
avio_wb32(pb, track->enc->height); |
|
avio_wb32(pb, 1); /* unknown */ |
|
avio_wb32(pb, 0); /* unknown */ |
|
if (track->enc->height == 1080) |
|
avio_wb32(pb, 5); /* unknown */ |
|
else |
|
avio_wb32(pb, 6); /* unknown */ |
|
} |
|
/* padding */ |
|
for (i = 0; i < 10; i++) |
|
avio_wb64(pb, 0); |
|
|
|
/* extra padding for stsd needed */ |
|
avio_wb32(pb, 0); |
|
return 0; |
|
} |
|
|
|
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag = track->enc->codec_tag; |
|
|
|
if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) |
|
return 0; |
|
|
|
if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1'); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); |
|
else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s'); |
|
|
|
return tag; |
|
} |
|
|
|
static const AVCodecTag codec_ipod_tags[] = { |
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
|
{ AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
|
{ AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') }, |
|
{ AV_CODEC_ID_AC3, MKTAG('a','c','-','3') }, |
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, |
|
{ AV_CODEC_ID_NONE, 0 }, |
|
}; |
|
|
|
static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag = track->enc->codec_tag; |
|
|
|
// keep original tag for subs, ipod supports both formats |
|
if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE && |
|
(tag == MKTAG('t', 'x', '3', 'g') || |
|
tag == MKTAG('t', 'e', 'x', 't')))) |
|
tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); |
|
|
|
if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v")) |
|
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v " |
|
"Quicktime/Ipod might not play the file\n"); |
|
|
|
return tag; |
|
} |
|
|
|
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag; |
|
|
|
if (track->enc->width == 720) { /* SD */ |
|
if (track->enc->height == 480) { /* NTSC */ |
|
if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); |
|
else tag = MKTAG('d','v','c',' '); |
|
}else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); |
|
else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); |
|
else tag = MKTAG('d','v','p','p'); |
|
} else if (track->enc->height == 720) { /* HD 720 line */ |
|
if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q'); |
|
else tag = MKTAG('d','v','h','p'); |
|
} else if (track->enc->height == 1080) { /* HD 1080 line */ |
|
if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5'); |
|
else tag = MKTAG('d','v','h','6'); |
|
} else { |
|
av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n"); |
|
return 0; |
|
} |
|
|
|
return tag; |
|
} |
|
|
|
static AVRational find_fps(AVFormatContext *s, AVStream *st) |
|
{ |
|
AVRational rate = {st->codec->time_base.den, st->codec->time_base.num}; |
|
/* if the codec time base makes no sense, try to fallback on stream frame rate */ |
|
if (av_timecode_check_frame_rate(rate) < 0) { |
|
av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n", |
|
rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den); |
|
rate = st->avg_frame_rate; |
|
} |
|
|
|
return rate; |
|
} |
|
|
|
static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag = track->enc->codec_tag; |
|
int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE; |
|
AVStream *st = track->st; |
|
int rate = av_q2d(find_fps(s, st)); |
|
|
|
if (!tag) |
|
tag = MKTAG('m', '2', 'v', '1'); //fallback tag |
|
|
|
if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) { |
|
if (track->enc->width == 1280 && track->enc->height == 720) { |
|
if (!interlaced) { |
|
if (rate == 24) tag = MKTAG('x','d','v','4'); |
|
else if (rate == 25) tag = MKTAG('x','d','v','5'); |
|
else if (rate == 30) tag = MKTAG('x','d','v','1'); |
|
else if (rate == 50) tag = MKTAG('x','d','v','a'); |
|
else if (rate == 60) tag = MKTAG('x','d','v','9'); |
|
} |
|
} else if (track->enc->width == 1440 && track->enc->height == 1080) { |
|
if (!interlaced) { |
|
if (rate == 24) tag = MKTAG('x','d','v','6'); |
|
else if (rate == 25) tag = MKTAG('x','d','v','7'); |
|
else if (rate == 30) tag = MKTAG('x','d','v','8'); |
|
} else { |
|
if (rate == 25) tag = MKTAG('x','d','v','3'); |
|
else if (rate == 30) tag = MKTAG('x','d','v','2'); |
|
} |
|
} else if (track->enc->width == 1920 && track->enc->height == 1080) { |
|
if (!interlaced) { |
|
if (rate == 24) tag = MKTAG('x','d','v','d'); |
|
else if (rate == 25) tag = MKTAG('x','d','v','e'); |
|
else if (rate == 30) tag = MKTAG('x','d','v','f'); |
|
} else { |
|
if (rate == 25) tag = MKTAG('x','d','v','c'); |
|
else if (rate == 30) tag = MKTAG('x','d','v','b'); |
|
} |
|
} |
|
} else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) { |
|
if (track->enc->width == 1280 && track->enc->height == 720) { |
|
if (!interlaced) { |
|
if (rate == 24) tag = MKTAG('x','d','5','4'); |
|
else if (rate == 25) tag = MKTAG('x','d','5','5'); |
|
else if (rate == 30) tag = MKTAG('x','d','5','1'); |
|
else if (rate == 50) tag = MKTAG('x','d','5','a'); |
|
else if (rate == 60) tag = MKTAG('x','d','5','9'); |
|
} |
|
} else if (track->enc->width == 1920 && track->enc->height == 1080) { |
|
if (!interlaced) { |
|
if (rate == 24) tag = MKTAG('x','d','5','d'); |
|
else if (rate == 25) tag = MKTAG('x','d','5','e'); |
|
else if (rate == 30) tag = MKTAG('x','d','5','f'); |
|
} else { |
|
if (rate == 25) tag = MKTAG('x','d','5','c'); |
|
else if (rate == 30) tag = MKTAG('x','d','5','b'); |
|
} |
|
} |
|
} |
|
|
|
return tag; |
|
} |
|
|
|
static const struct { |
|
enum AVPixelFormat pix_fmt; |
|
uint32_t tag; |
|
unsigned bps; |
|
} mov_pix_fmt_tags[] = { |
|
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 }, |
|
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, |
|
{ AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, |
|
{ AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 }, |
|
{ AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, |
|
{ AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, |
|
{ AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, |
|
{ AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 }, |
|
{ AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, |
|
{ AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, |
|
{ AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, |
|
{ AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, |
|
{ AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, |
|
{ AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 }, |
|
{ AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 }, |
|
}; |
|
|
|
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag = track->enc->codec_tag; |
|
int i; |
|
enum AVPixelFormat pix_fmt; |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { |
|
if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) { |
|
tag = mov_pix_fmt_tags[i].tag; |
|
track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; |
|
if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag) |
|
break; |
|
} |
|
} |
|
|
|
pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov, |
|
track->enc->bits_per_coded_sample); |
|
if (tag == MKTAG('r','a','w',' ') && |
|
track->enc->pix_fmt != pix_fmt && |
|
track->enc->pix_fmt != AV_PIX_FMT_NONE) |
|
av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n", |
|
av_get_pix_fmt_name(track->enc->pix_fmt)); |
|
return tag; |
|
} |
|
|
|
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag = track->enc->codec_tag; |
|
|
|
if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && |
|
(track->enc->codec_id == AV_CODEC_ID_DVVIDEO || |
|
track->enc->codec_id == AV_CODEC_ID_RAWVIDEO || |
|
track->enc->codec_id == AV_CODEC_ID_H263 || |
|
track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO || |
|
av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio |
|
if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO) |
|
tag = mov_get_dv_codec_tag(s, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) |
|
tag = mov_get_rawvideo_codec_tag(s, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO) |
|
tag = mov_get_mpeg2_xdcam_codec_tag(s, track); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id); |
|
if (!tag) { // if no mac fcc found, try with Microsoft tags |
|
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); |
|
if (tag) |
|
av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, " |
|
"the file may be unplayable!\n"); |
|
} |
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id); |
|
if (!tag) { // if no mac fcc found, try with Microsoft tags |
|
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id); |
|
if (ms_tag) { |
|
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); |
|
av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, " |
|
"the file may be unplayable!\n"); |
|
} |
|
} |
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
|
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); |
|
} |
|
|
|
return tag; |
|
} |
|
|
|
static const AVCodecTag codec_3gp_tags[] = { |
|
{ AV_CODEC_ID_H263, MKTAG('s','2','6','3') }, |
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
|
{ AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
|
{ AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, |
|
{ AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, |
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
|
{ AV_CODEC_ID_NONE, 0 }, |
|
}; |
|
|
|
static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG? |
|
{ AV_CODEC_ID_MP3, MKTAG('.','m','p','3') }, |
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
|
{ AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') }, |
|
{ AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') }, |
|
{ AV_CODEC_ID_NONE, 0 }, |
|
}; |
|
|
|
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) |
|
{ |
|
int tag; |
|
|
|
if (track->mode == MODE_MP4 || track->mode == MODE_PSP) |
|
tag = mp4_get_codec_tag(s, track); |
|
else if (track->mode == MODE_ISM) { |
|
tag = mp4_get_codec_tag(s, track); |
|
if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO) |
|
tag = MKTAG('w', 'm', 'a', ' '); |
|
} else if (track->mode == MODE_IPOD) |
|
tag = ipod_get_codec_tag(s, track); |
|
else if (track->mode & MODE_3GP) |
|
tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); |
|
else if (track->mode == MODE_F4V) |
|
tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id); |
|
else |
|
tag = mov_get_codec_tag(s, track); |
|
|
|
return tag; |
|
} |
|
|
|
/** Write uuid atom. |
|
* Needed to make file play in iPods running newest firmware |
|
* goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1 |
|
*/ |
|
static int mov_write_uuid_tag_ipod(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 28); |
|
ffio_wfourcc(pb, "uuid"); |
|
avio_wb32(pb, 0x6b6840f2); |
|
avio_wb32(pb, 0x5f244fc5); |
|
avio_wb32(pb, 0xba39a51b); |
|
avio_wb32(pb, 0xcf0323f3); |
|
avio_wb32(pb, 0x0); |
|
return 28; |
|
} |
|
|
|
static const uint16_t fiel_data[] = { |
|
0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e |
|
}; |
|
|
|
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
unsigned mov_field_order = 0; |
|
if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data)) |
|
mov_field_order = fiel_data[track->enc->field_order]; |
|
else |
|
return 0; |
|
avio_wb32(pb, 10); |
|
ffio_wfourcc(pb, "fiel"); |
|
avio_wb16(pb, mov_field_order); |
|
return 10; |
|
} |
|
|
|
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
avio_wl32(pb, track->tag); // store it byteswapped |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 1); /* Data-reference index */ |
|
|
|
if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
|
mov_write_esds_tag(pb, track); |
|
else if (track->enc->extradata_size) |
|
avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
AVRational sar; |
|
av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num, |
|
track->enc->sample_aspect_ratio.den, INT_MAX); |
|
|
|
avio_wb32(pb, 16); |
|
ffio_wfourcc(pb, "pasp"); |
|
avio_wb32(pb, sar.num); |
|
avio_wb32(pb, sar.den); |
|
return 16; |
|
} |
|
|
|
static void find_compressor(char * compressor_name, int len, MOVTrack *track) |
|
{ |
|
AVDictionaryEntry *encoder; |
|
int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720) |
|
|| (track->enc->width == 1440 && track->enc->height == 1080) |
|
|| (track->enc->width == 1920 && track->enc->height == 1080); |
|
|
|
if (track->mode == MODE_MOV && |
|
(encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) { |
|
av_strlcpy(compressor_name, encoder->value, 32); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) { |
|
int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE; |
|
AVStream *st = track->st; |
|
int rate = av_q2d(find_fps(NULL, st)); |
|
av_strlcatf(compressor_name, len, "XDCAM"); |
|
if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) { |
|
av_strlcatf(compressor_name, len, " HD422"); |
|
} else if(track->enc->width == 1440) { |
|
av_strlcatf(compressor_name, len, " HD"); |
|
} else |
|
av_strlcatf(compressor_name, len, " EX"); |
|
|
|
av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p'); |
|
|
|
av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1)); |
|
} |
|
} |
|
|
|
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
char compressor_name[32] = { 0 }; |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
avio_wl32(pb, track->tag); // store it byteswapped |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 1); /* Data-reference index */ |
|
|
|
avio_wb16(pb, 0); /* Codec stream version */ |
|
avio_wb16(pb, 0); /* Codec stream revision (=0) */ |
|
if (track->mode == MODE_MOV) { |
|
ffio_wfourcc(pb, "FFMP"); /* Vendor */ |
|
if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) { |
|
avio_wb32(pb, 0); /* Temporal Quality */ |
|
avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/ |
|
} else { |
|
avio_wb32(pb, 0x200); /* Temporal Quality = normal */ |
|
avio_wb32(pb, 0x200); /* Spatial Quality = normal */ |
|
} |
|
} else { |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb32(pb, 0); /* Reserved */ |
|
} |
|
avio_wb16(pb, track->enc->width); /* Video width */ |
|
avio_wb16(pb, track->height); /* Video height */ |
|
avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */ |
|
avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */ |
|
avio_wb32(pb, 0); /* Data size (= 0) */ |
|
avio_wb16(pb, 1); /* Frame count (= 1) */ |
|
|
|
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ |
|
find_compressor(compressor_name, 32, track); |
|
avio_w8(pb, strlen(compressor_name)); |
|
avio_write(pb, compressor_name, 31); |
|
|
|
if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) |
|
avio_wb16(pb, track->enc->bits_per_coded_sample); |
|
else |
|
avio_wb16(pb, 0x18); /* Reserved */ |
|
avio_wb16(pb, 0xffff); /* Reserved */ |
|
if (track->tag == MKTAG('m','p','4','v')) |
|
mov_write_esds_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_H263) |
|
mov_write_d263_tag(pb); |
|
else if (track->enc->codec_id == AV_CODEC_ID_AVUI || |
|
track->enc->codec_id == AV_CODEC_ID_SVQ3) { |
|
mov_write_extradata_tag(pb, track); |
|
avio_wb32(pb, 0); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_DNXHD) |
|
mov_write_avid_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_HEVC) |
|
mov_write_hvcc_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_H264) { |
|
mov_write_avcc_tag(pb, track); |
|
if (track->mode == MODE_IPOD) |
|
mov_write_uuid_tag_ipod(pb); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0) |
|
mov_write_dvc1_tag(pb, track); |
|
else if (track->enc->codec_id == AV_CODEC_ID_VP6F || |
|
track->enc->codec_id == AV_CODEC_ID_VP6A) { |
|
/* Don't write any potential extradata here - the cropping |
|
* is signalled via the normal width/height fields. */ |
|
} else if (track->vos_len > 0) |
|
mov_write_glbl_tag(pb, track); |
|
|
|
if (track->enc->codec_id != AV_CODEC_ID_H264 && |
|
track->enc->codec_id != AV_CODEC_ID_MPEG4 && |
|
track->enc->codec_id != AV_CODEC_ID_DNXHD) |
|
if (track->enc->field_order != AV_FIELD_UNKNOWN) |
|
mov_write_fiel_tag(pb, track); |
|
|
|
if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num && |
|
track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) { |
|
mov_write_pasp_tag(pb, track); |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "rtp "); |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 0); /* Reserved */ |
|
avio_wb16(pb, 1); /* Data-reference index */ |
|
|
|
avio_wb16(pb, 1); /* Hint track version */ |
|
avio_wb16(pb, 1); /* Highest compatible version */ |
|
avio_wb32(pb, track->max_packet_size); /* Max packet size */ |
|
|
|
avio_wb32(pb, 12); /* size */ |
|
ffio_wfourcc(pb, "tims"); |
|
avio_wb32(pb, track->timescale); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
#if 1 |
|
int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den); |
|
int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5; |
|
|
|
if (nb_frames > 255) { |
|
av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "tmcd"); /* Data format */ |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb32(pb, 1); /* Data reference index */ |
|
avio_wb32(pb, 0); /* Flags */ |
|
avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */ |
|
avio_wb32(pb, track->timescale); /* Timescale */ |
|
avio_wb32(pb, frame_duration); /* Frame duration */ |
|
avio_w8(pb, nb_frames); /* Number of frames */ |
|
avio_wb24(pb, 0); /* Reserved */ |
|
/* TODO: source reference string */ |
|
#else |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "tmcd"); /* Data format */ |
|
avio_wb32(pb, 0); /* Reserved */ |
|
avio_wb32(pb, 1); /* Data reference index */ |
|
if (track->enc->extradata_size) |
|
avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
|
#endif |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "stsd"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb32(pb, 1); /* entry count */ |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) |
|
mov_write_video_tag(pb, track); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
|
mov_write_audio_tag(pb, track); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
|
mov_write_subtitle_tag(pb, track); |
|
else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) |
|
mov_write_rtp_tag(pb, track); |
|
else if (track->enc->codec_tag == MKTAG('t','m','c','d')) |
|
mov_write_tmcd_tag(pb, track); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
MOVStts *ctts_entries; |
|
uint32_t entries = 0; |
|
uint32_t atom_size; |
|
int i; |
|
|
|
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */ |
|
ctts_entries[0].count = 1; |
|
ctts_entries[0].duration = track->cluster[0].cts; |
|
for (i = 1; i < track->entry; i++) { |
|
if (track->cluster[i].cts == ctts_entries[entries].duration) { |
|
ctts_entries[entries].count++; /* compress */ |
|
} else { |
|
entries++; |
|
ctts_entries[entries].duration = track->cluster[i].cts; |
|
ctts_entries[entries].count = 1; |
|
} |
|
} |
|
entries++; /* last one */ |
|
atom_size = 16 + (entries * 8); |
|
avio_wb32(pb, atom_size); /* size */ |
|
ffio_wfourcc(pb, "ctts"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb32(pb, entries); /* entry count */ |
|
for (i = 0; i < entries; i++) { |
|
avio_wb32(pb, ctts_entries[i].count); |
|
avio_wb32(pb, ctts_entries[i].duration); |
|
} |
|
av_free(ctts_entries); |
|
return atom_size; |
|
} |
|
|
|
/* Time to sample atom */ |
|
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
MOVStts *stts_entries; |
|
uint32_t entries = -1; |
|
uint32_t atom_size; |
|
int i; |
|
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { |
|
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ |
|
stts_entries[0].count = track->sample_count; |
|
stts_entries[0].duration = 1; |
|
entries = 1; |
|
} else { |
|
stts_entries = track->entry ? |
|
av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */ |
|
NULL; |
|
for (i = 0; i < track->entry; i++) { |
|
int duration = get_cluster_duration(track, i); |
|
if (i && duration == stts_entries[entries].duration) { |
|
stts_entries[entries].count++; /* compress */ |
|
} else { |
|
entries++; |
|
stts_entries[entries].duration = duration; |
|
stts_entries[entries].count = 1; |
|
} |
|
} |
|
entries++; /* last one */ |
|
} |
|
atom_size = 16 + (entries * 8); |
|
avio_wb32(pb, atom_size); /* size */ |
|
ffio_wfourcc(pb, "stts"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb32(pb, entries); /* entry count */ |
|
for (i = 0; i < entries; i++) { |
|
avio_wb32(pb, stts_entries[i].count); |
|
avio_wb32(pb, stts_entries[i].duration); |
|
} |
|
av_free(stts_entries); |
|
return atom_size; |
|
} |
|
|
|
static int mov_write_dref_tag(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 28); /* size */ |
|
ffio_wfourcc(pb, "dref"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb32(pb, 1); /* entry count */ |
|
|
|
avio_wb32(pb, 0xc); /* size */ |
|
//FIXME add the alis and rsrc atom |
|
ffio_wfourcc(pb, "url "); |
|
avio_wb32(pb, 1); /* version & flags */ |
|
|
|
return 28; |
|
} |
|
|
|
static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "stbl"); |
|
mov_write_stsd_tag(pb, track); |
|
mov_write_stts_tag(pb, track); |
|
if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO || |
|
track->enc->codec_tag == MKTAG('r','t','p',' ')) && |
|
track->has_keyframes && track->has_keyframes < track->entry) |
|
mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); |
|
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS) |
|
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && |
|
track->flags & MOV_TRACK_CTTS) |
|
mov_write_ctts_tag(pb, track); |
|
mov_write_stsc_tag(pb, track); |
|
mov_write_stsz_tag(pb, track); |
|
mov_write_stco_tag(pb, track); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_dinf_tag(AVIOContext *pb) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "dinf"); |
|
mov_write_dref_tag(pb); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_nmhd_tag(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 12); |
|
ffio_wfourcc(pb, "nmhd"); |
|
avio_wb32(pb, 0); |
|
return 12; |
|
} |
|
|
|
static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
const char *font = "Lucida Grande"; |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */ |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb16(pb, 0); /* text font */ |
|
avio_wb16(pb, 0); /* text face */ |
|
avio_wb16(pb, 12); /* text size */ |
|
avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */ |
|
avio_wb16(pb, 0x0000); /* text color (red) */ |
|
avio_wb16(pb, 0x0000); /* text color (green) */ |
|
avio_wb16(pb, 0x0000); /* text color (blue) */ |
|
avio_wb16(pb, 0xffff); /* background color (red) */ |
|
avio_wb16(pb, 0xffff); /* background color (green) */ |
|
avio_wb16(pb, 0xffff); /* background color (blue) */ |
|
avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */ |
|
avio_write(pb, font, strlen(font)); /* font name */ |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "gmhd"); |
|
avio_wb32(pb, 0x18); /* gmin size */ |
|
ffio_wfourcc(pb, "gmin");/* generic media info */ |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb16(pb, 0x40); /* graphics mode = */ |
|
avio_wb16(pb, 0x8000); /* opColor (r?) */ |
|
avio_wb16(pb, 0x8000); /* opColor (g?) */ |
|
avio_wb16(pb, 0x8000); /* opColor (b?) */ |
|
avio_wb16(pb, 0); /* balance */ |
|
avio_wb16(pb, 0); /* reserved */ |
|
|
|
/* |
|
* This special text atom is required for |
|
* Apple Quicktime chapters. The contents |
|
* don't appear to be documented, so the |
|
* bytes are copied verbatim. |
|
*/ |
|
if (track->tag != MKTAG('c','6','0','8')) { |
|
avio_wb32(pb, 0x2C); /* size */ |
|
ffio_wfourcc(pb, "text"); |
|
avio_wb16(pb, 0x01); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x01); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x00); |
|
avio_wb32(pb, 0x00004000); |
|
avio_wb16(pb, 0x0000); |
|
} |
|
|
|
if (track->enc->codec_tag == MKTAG('t','m','c','d')) { |
|
int64_t tmcd_pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "tmcd"); |
|
mov_write_tcmi_tag(pb, track); |
|
update_size(pb, tmcd_pos); |
|
} |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_smhd_tag(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 16); /* size */ |
|
ffio_wfourcc(pb, "smhd"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb16(pb, 0); /* reserved (balance, normally = 0) */ |
|
avio_wb16(pb, 0); /* reserved */ |
|
return 16; |
|
} |
|
|
|
static int mov_write_vmhd_tag(AVIOContext *pb) |
|
{ |
|
avio_wb32(pb, 0x14); /* size (always 0x14) */ |
|
ffio_wfourcc(pb, "vmhd"); |
|
avio_wb32(pb, 0x01); /* version & flags */ |
|
avio_wb64(pb, 0); /* reserved (graphics mode = copy) */ |
|
return 0x14; |
|
} |
|
|
|
static int is_clcp_track(MOVTrack *track) |
|
{ |
|
return track->tag == MKTAG('c','7','0','8') || |
|
track->tag == MKTAG('c','6','0','8'); |
|
} |
|
|
|
static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
const char *hdlr, *descr = NULL, *hdlr_type = NULL; |
|
int64_t pos = avio_tell(pb); |
|
|
|
hdlr = "dhlr"; |
|
hdlr_type = "url "; |
|
descr = "DataHandler"; |
|
|
|
if (track) { |
|
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
hdlr_type = "vide"; |
|
descr = "VideoHandler"; |
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
hdlr_type = "soun"; |
|
descr = "SoundHandler"; |
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
|
if (is_clcp_track(track)) { |
|
hdlr_type = "clcp"; |
|
descr = "ClosedCaptionHandler"; |
|
} else { |
|
if (track->tag == MKTAG('t','x','3','g')) { |
|
hdlr_type = "sbtl"; |
|
} else if (track->tag == MKTAG('m','p','4','s')) { |
|
hdlr_type = "subp"; |
|
} else { |
|
hdlr_type = "text"; |
|
} |
|
descr = "SubtitleHandler"; |
|
} |
|
} else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { |
|
hdlr_type = "hint"; |
|
descr = "HintHandler"; |
|
} else if (track->enc->codec_tag == MKTAG('t','m','c','d')) { |
|
hdlr_type = "tmcd"; |
|
descr = "TimeCodeHandler"; |
|
} else { |
|
char tag_buf[32]; |
|
av_get_codec_tag_string(tag_buf, sizeof(tag_buf), |
|
track->enc->codec_tag); |
|
|
|
av_log(track->enc, AV_LOG_WARNING, |
|
"Unknown hldr_type for %s / 0x%04X, writing dummy values\n", |
|
tag_buf, track->enc->codec_tag); |
|
} |
|
} |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "hdlr"); |
|
avio_wb32(pb, 0); /* Version & flags */ |
|
avio_write(pb, hdlr, 4); /* handler */ |
|
ffio_wfourcc(pb, hdlr_type); /* handler type */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
if (!track || track->mode == MODE_MOV) |
|
avio_w8(pb, strlen(descr)); /* pascal string */ |
|
avio_write(pb, descr, strlen(descr)); /* handler description */ |
|
if (track && track->mode != MODE_MOV) |
|
avio_w8(pb, 0); /* c string */ |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_hmhd_tag(AVIOContext *pb) |
|
{ |
|
/* This atom must be present, but leaving the values at zero |
|
* seems harmless. */ |
|
avio_wb32(pb, 28); /* size */ |
|
ffio_wfourcc(pb, "hmhd"); |
|
avio_wb32(pb, 0); /* version, flags */ |
|
avio_wb16(pb, 0); /* maxPDUsize */ |
|
avio_wb16(pb, 0); /* avgPDUsize */ |
|
avio_wb32(pb, 0); /* maxbitrate */ |
|
avio_wb32(pb, 0); /* avgbitrate */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
return 28; |
|
} |
|
|
|
static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "minf"); |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) |
|
mov_write_vmhd_tag(pb); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
|
mov_write_smhd_tag(pb); |
|
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
|
if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) { |
|
mov_write_gmhd_tag(pb, track); |
|
} else { |
|
mov_write_nmhd_tag(pb); |
|
} |
|
} else if (track->tag == MKTAG('r','t','p',' ')) { |
|
mov_write_hmhd_tag(pb); |
|
} else if (track->tag == MKTAG('t','m','c','d')) { |
|
mov_write_gmhd_tag(pb, track); |
|
} |
|
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ |
|
mov_write_hdlr_tag(pb, NULL); |
|
mov_write_dinf_tag(pb); |
|
mov_write_stbl_tag(pb, track); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int version = track->track_duration < INT32_MAX ? 0 : 1; |
|
|
|
if (track->mode == MODE_ISM) |
|
version = 1; |
|
|
|
(version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */ |
|
ffio_wfourcc(pb, "mdhd"); |
|
avio_w8(pb, version); |
|
avio_wb24(pb, 0); /* flags */ |
|
if (version == 1) { |
|
avio_wb64(pb, track->time); |
|
avio_wb64(pb, track->time); |
|
} else { |
|
avio_wb32(pb, track->time); /* creation time */ |
|
avio_wb32(pb, track->time); /* modification time */ |
|
} |
|
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */ |
|
if (!track->entry) |
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); |
|
else |
|
(version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */ |
|
avio_wb16(pb, track->language); /* language */ |
|
avio_wb16(pb, 0); /* reserved (quality) */ |
|
|
|
if (version != 0 && track->mode == MODE_MOV) { |
|
av_log(NULL, AV_LOG_ERROR, |
|
"FATAL error, file duration too long for timebase, this file will not be\n" |
|
"playable with quicktime. Choose a different timebase or a different\n" |
|
"container format\n"); |
|
} |
|
|
|
return 32; |
|
} |
|
|
|
static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "mdia"); |
|
mov_write_mdhd_tag(pb, track); |
|
mov_write_hdlr_tag(pb, track); |
|
mov_write_minf_tag(pb, track); |
|
return update_size(pb, pos); |
|
} |
|
|
|
/* transformation matrix |
|
|a b u| |
|
|c d v| |
|
|tx ty w| */ |
|
static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c, |
|
int16_t d, int16_t tx, int16_t ty) |
|
{ |
|
avio_wb32(pb, a << 16); /* 16.16 format */ |
|
avio_wb32(pb, b << 16); /* 16.16 format */ |
|
avio_wb32(pb, 0); /* u in 2.30 format */ |
|
avio_wb32(pb, c << 16); /* 16.16 format */ |
|
avio_wb32(pb, d << 16); /* 16.16 format */ |
|
avio_wb32(pb, 0); /* v in 2.30 format */ |
|
avio_wb32(pb, tx << 16); /* 16.16 format */ |
|
avio_wb32(pb, ty << 16); /* 16.16 format */ |
|
avio_wb32(pb, 1 << 30); /* w in 2.30 format */ |
|
} |
|
|
|
static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st) |
|
{ |
|
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, |
|
track->timescale, AV_ROUND_UP); |
|
int version = duration < INT32_MAX ? 0 : 1; |
|
int rotation = 0; |
|
|
|
if (track->mode == MODE_ISM) |
|
version = 1; |
|
|
|
(version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */ |
|
ffio_wfourcc(pb, "tkhd"); |
|
avio_w8(pb, version); |
|
avio_wb24(pb, (track->flags & MOV_TRACK_ENABLED) ? |
|
MOV_TKHD_FLAG_ENABLED | MOV_TKHD_FLAG_IN_MOVIE : |
|
MOV_TKHD_FLAG_IN_MOVIE); |
|
if (version == 1) { |
|
avio_wb64(pb, track->time); |
|
avio_wb64(pb, track->time); |
|
} else { |
|
avio_wb32(pb, track->time); /* creation time */ |
|
avio_wb32(pb, track->time); /* modification time */ |
|
} |
|
avio_wb32(pb, track->track_id); /* track-id */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
if (!track->entry) |
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); |
|
else |
|
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); |
|
|
|
avio_wb32(pb, 0); /* reserved */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
avio_wb16(pb, 0); /* layer */ |
|
avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */ |
|
/* Volume, only for audio */ |
|
if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
|
avio_wb16(pb, 0x0100); |
|
else |
|
avio_wb16(pb, 0); |
|
avio_wb16(pb, 0); /* reserved */ |
|
|
|
/* Matrix structure */ |
|
if (st && st->metadata) { |
|
AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0); |
|
rotation = (rot && rot->value) ? atoi(rot->value) : 0; |
|
} |
|
if (rotation == 90) { |
|
write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0); |
|
} else if (rotation == 180) { |
|
write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height); |
|
} else if (rotation == 270) { |
|
write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width); |
|
} else { |
|
write_matrix(pb, 1, 0, 0, 1, 0, 0); |
|
} |
|
/* Track width and height, for visual only */ |
|
if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || |
|
track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { |
|
if (track->mode == MODE_MOV) { |
|
avio_wb32(pb, track->enc->width << 16); |
|
avio_wb32(pb, track->height << 16); |
|
} else { |
|
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); |
|
if (!sample_aspect_ratio || track->height != track->enc->height) |
|
sample_aspect_ratio = 1; |
|
avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000); |
|
avio_wb32(pb, track->height * 0x10000); |
|
} |
|
} else { |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, 0); |
|
} |
|
return 0x5c; |
|
} |
|
|
|
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width, |
|
track->enc->sample_aspect_ratio.den); |
|
|
|
int64_t pos = avio_tell(pb); |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "tapt"); |
|
|
|
avio_wb32(pb, 20); |
|
ffio_wfourcc(pb, "clef"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, width << 16); |
|
avio_wb32(pb, track->enc->height << 16); |
|
|
|
avio_wb32(pb, 20); |
|
ffio_wfourcc(pb, "prof"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, width << 16); |
|
avio_wb32(pb, track->enc->height << 16); |
|
|
|
avio_wb32(pb, 20); |
|
ffio_wfourcc(pb, "enof"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, track->enc->width << 16); |
|
avio_wb32(pb, track->enc->height << 16); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
// This box seems important for the psp playback ... without it the movie seems to hang |
|
static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, |
|
track->timescale, AV_ROUND_UP); |
|
int version = duration < INT32_MAX ? 0 : 1; |
|
int entry_size, entry_count, size; |
|
int64_t delay, start_ct = track->cluster[0].cts; |
|
delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE, |
|
track->timescale, AV_ROUND_DOWN); |
|
version |= delay < INT32_MAX ? 0 : 1; |
|
|
|
entry_size = (version == 1) ? 20 : 12; |
|
entry_count = 1 + (delay > 0); |
|
size = 24 + entry_count * entry_size; |
|
|
|
/* write the atom data */ |
|
avio_wb32(pb, size); |
|
ffio_wfourcc(pb, "edts"); |
|
avio_wb32(pb, size - 8); |
|
ffio_wfourcc(pb, "elst"); |
|
avio_w8(pb, version); |
|
avio_wb24(pb, 0); /* flags */ |
|
|
|
avio_wb32(pb, entry_count); |
|
if (delay > 0) { /* add an empty edit to delay presentation */ |
|
if (version == 1) { |
|
avio_wb64(pb, delay); |
|
avio_wb64(pb, -1); |
|
} else { |
|
avio_wb32(pb, delay); |
|
avio_wb32(pb, -1); |
|
} |
|
avio_wb32(pb, 0x00010000); |
|
} else { |
|
av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0); |
|
start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding |
|
duration += delay; |
|
} |
|
|
|
/* duration */ |
|
if (version == 1) { |
|
avio_wb64(pb, duration); |
|
avio_wb64(pb, start_ct); |
|
} else { |
|
avio_wb32(pb, duration); |
|
avio_wb32(pb, start_ct); |
|
} |
|
avio_wb32(pb, 0x00010000); |
|
return size; |
|
} |
|
|
|
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
avio_wb32(pb, 20); // size |
|
ffio_wfourcc(pb, "tref"); |
|
avio_wb32(pb, 12); // size (subatom) |
|
avio_wl32(pb, track->tref_tag); |
|
avio_wb32(pb, track->tref_id); |
|
return 20; |
|
} |
|
|
|
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) |
|
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov) |
|
{ |
|
avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */ |
|
ffio_wfourcc(pb, "uuid"); |
|
ffio_wfourcc(pb, "USMT"); |
|
avio_wb32(pb, 0x21d24fce); |
|
avio_wb32(pb, 0xbb88695c); |
|
avio_wb32(pb, 0xfac9c740); |
|
avio_wb32(pb, 0x1c); // another size here! |
|
ffio_wfourcc(pb, "MTDT"); |
|
avio_wb32(pb, 0x00010012); |
|
avio_wb32(pb, 0x0a); |
|
avio_wb32(pb, 0x55c40000); |
|
avio_wb32(pb, 0x1); |
|
avio_wb32(pb, 0x0); |
|
return 0x34; |
|
} |
|
|
|
static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
AVFormatContext *ctx = track->rtp_ctx; |
|
char buf[1000] = ""; |
|
int len; |
|
|
|
ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track, |
|
NULL, NULL, 0, 0, ctx); |
|
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id); |
|
len = strlen(buf); |
|
|
|
avio_wb32(pb, len + 24); |
|
ffio_wfourcc(pb, "udta"); |
|
avio_wb32(pb, len + 16); |
|
ffio_wfourcc(pb, "hnti"); |
|
avio_wb32(pb, len + 8); |
|
ffio_wfourcc(pb, "sdp "); |
|
avio_write(pb, buf, len); |
|
return len + 24; |
|
} |
|
|
|
static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track, AVStream *st) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "trak"); |
|
mov_write_tkhd_tag(pb, track, st); |
|
if (supports_edts(mov)) |
|
mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box |
|
if (track->tref_tag) |
|
mov_write_tref_tag(pb, track); |
|
mov_write_mdia_tag(pb, track); |
|
if (track->mode == MODE_PSP) |
|
mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box |
|
if (track->tag == MKTAG('r','t','p',' ')) |
|
mov_write_udta_sdp(pb, track); |
|
if (track->mode == MODE_MOV) { |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); |
|
if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) { |
|
mov_write_tapt_tag(pb, track); |
|
} |
|
} |
|
if (is_clcp_track(track) && st->sample_aspect_ratio.num) { |
|
mov_write_tapt_tag(pb, track); |
|
} |
|
} |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
int i, has_audio = 0, has_video = 0; |
|
int64_t pos = avio_tell(pb); |
|
int audio_profile = mov->iods_audio_profile; |
|
int video_profile = mov->iods_video_profile; |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].entry > 0) { |
|
has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO; |
|
has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO; |
|
} |
|
} |
|
if (audio_profile < 0) |
|
audio_profile = 0xFF - has_audio; |
|
if (video_profile < 0) |
|
video_profile = 0xFF - has_video; |
|
avio_wb32(pb, 0x0); /* size */ |
|
ffio_wfourcc(pb, "iods"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
put_descr(pb, 0x10, 7); |
|
avio_wb16(pb, 0x004f); |
|
avio_w8(pb, 0xff); |
|
avio_w8(pb, 0xff); |
|
avio_w8(pb, audio_profile); |
|
avio_w8(pb, video_profile); |
|
avio_w8(pb, 0xff); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
avio_wb32(pb, 0x20); /* size */ |
|
ffio_wfourcc(pb, "trex"); |
|
avio_wb32(pb, 0); /* version & flags */ |
|
avio_wb32(pb, track->track_id); /* track ID */ |
|
avio_wb32(pb, 1); /* default sample description index */ |
|
avio_wb32(pb, 0); /* default sample duration */ |
|
avio_wb32(pb, 0); /* default sample size */ |
|
avio_wb32(pb, 0); /* default sample flags */ |
|
return 0; |
|
} |
|
|
|
static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
avio_wb32(pb, 0x0); /* size */ |
|
ffio_wfourcc(pb, "mvex"); |
|
for (i = 0; i < mov->nb_streams; i++) |
|
mov_write_trex_tag(pb, &mov->tracks[i]); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
int max_track_id = 1, i; |
|
int64_t max_track_len_temp, max_track_len = 0; |
|
int version; |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) { |
|
max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration, |
|
MOV_TIMESCALE, |
|
mov->tracks[i].timescale, |
|
AV_ROUND_UP); |
|
if (max_track_len < max_track_len_temp) |
|
max_track_len = max_track_len_temp; |
|
if (max_track_id < mov->tracks[i].track_id) |
|
max_track_id = mov->tracks[i].track_id; |
|
} |
|
} |
|
|
|
version = max_track_len < UINT32_MAX ? 0 : 1; |
|
(version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */ |
|
ffio_wfourcc(pb, "mvhd"); |
|
avio_w8(pb, version); |
|
avio_wb24(pb, 0); /* flags */ |
|
if (version == 1) { |
|
avio_wb64(pb, mov->time); |
|
avio_wb64(pb, mov->time); |
|
} else { |
|
avio_wb32(pb, mov->time); /* creation time */ |
|
avio_wb32(pb, mov->time); /* modification time */ |
|
} |
|
avio_wb32(pb, MOV_TIMESCALE); |
|
(version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */ |
|
|
|
avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ |
|
avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ |
|
avio_wb16(pb, 0); /* reserved */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
avio_wb32(pb, 0); /* reserved */ |
|
|
|
/* Matrix structure */ |
|
write_matrix(pb, 1, 0, 0, 1, 0, 0); |
|
|
|
avio_wb32(pb, 0); /* reserved (preview time) */ |
|
avio_wb32(pb, 0); /* reserved (preview duration) */ |
|
avio_wb32(pb, 0); /* reserved (poster time) */ |
|
avio_wb32(pb, 0); /* reserved (selection time) */ |
|
avio_wb32(pb, 0); /* reserved (selection duration) */ |
|
avio_wb32(pb, 0); /* reserved (current time) */ |
|
avio_wb32(pb, max_track_id + 1); /* Next track id */ |
|
return 0x6c; |
|
} |
|
|
|
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s) |
|
{ |
|
avio_wb32(pb, 33); /* size */ |
|
ffio_wfourcc(pb, "hdlr"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, 0); |
|
ffio_wfourcc(pb, "mdir"); |
|
ffio_wfourcc(pb, "appl"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, 0); |
|
avio_w8(pb, 0); |
|
return 33; |
|
} |
|
|
|
/* helper function to write a data tag with the specified string as data */ |
|
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style) |
|
{ |
|
if (long_style) { |
|
int size = 16 + strlen(data); |
|
avio_wb32(pb, size); /* size */ |
|
ffio_wfourcc(pb, "data"); |
|
avio_wb32(pb, 1); |
|
avio_wb32(pb, 0); |
|
avio_write(pb, data, strlen(data)); |
|
return size; |
|
} else { |
|
if (!lang) |
|
lang = ff_mov_iso639_to_lang("und", 1); |
|
avio_wb16(pb, strlen(data)); /* string length */ |
|
avio_wb16(pb, lang); |
|
avio_write(pb, data, strlen(data)); |
|
return strlen(data) + 4; |
|
} |
|
} |
|
|
|
static int mov_write_string_tag(AVIOContext *pb, const char *name, |
|
const char *value, int lang, int long_style) |
|
{ |
|
int size = 0; |
|
if (value && value[0]) { |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, name); |
|
mov_write_string_data_tag(pb, value, lang, long_style); |
|
size = update_size(pb, pos); |
|
} |
|
return size; |
|
} |
|
|
|
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, |
|
const char *name, const char *tag, |
|
int long_style) |
|
{ |
|
int l, lang = 0, len, len2; |
|
AVDictionaryEntry *t, *t2 = NULL; |
|
char tag2[16]; |
|
|
|
if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) |
|
return 0; |
|
|
|
len = strlen(t->key); |
|
snprintf(tag2, sizeof(tag2), "%s-", tag); |
|
while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) { |
|
len2 = strlen(t2->key); |
|
if (len2 == len + 4 && !strcmp(t->value, t2->value) |
|
&& (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) { |
|
lang = l; |
|
break; |
|
} |
|
} |
|
return mov_write_string_tag(pb, name, t->value, lang, long_style); |
|
} |
|
|
|
/* iTunes bpm number */ |
|
static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s) |
|
{ |
|
AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0); |
|
int size = 0, tmpo = t ? atoi(t->value) : 0; |
|
if (tmpo) { |
|
size = 26; |
|
avio_wb32(pb, size); |
|
ffio_wfourcc(pb, "tmpo"); |
|
avio_wb32(pb, size-8); /* size */ |
|
ffio_wfourcc(pb, "data"); |
|
avio_wb32(pb, 0x15); //type specifier |
|
avio_wb32(pb, 0); |
|
avio_wb16(pb, tmpo); // data |
|
} |
|
return size; |
|
} |
|
|
|
/* iTunes track or disc number */ |
|
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s, int disc) |
|
{ |
|
AVDictionaryEntry *t = av_dict_get(s->metadata, |
|
disc ? "disc" : "track", |
|
NULL, 0); |
|
int size = 0, track = t ? atoi(t->value) : 0; |
|
if (track) { |
|
int tracks = 0; |
|
char *slash = strchr(t->value, '/'); |
|
if (slash) |
|
tracks = atoi(slash + 1); |
|
avio_wb32(pb, 32); /* size */ |
|
ffio_wfourcc(pb, disc ? "disk" : "trkn"); |
|
avio_wb32(pb, 24); /* size */ |
|
ffio_wfourcc(pb, "data"); |
|
avio_wb32(pb, 0); // 8 bytes empty |
|
avio_wb32(pb, 0); |
|
avio_wb16(pb, 0); // empty |
|
avio_wb16(pb, track); // track / disc number |
|
avio_wb16(pb, tracks); // total track / disc number |
|
avio_wb16(pb, 0); // empty |
|
size = 32; |
|
} |
|
return size; |
|
} |
|
|
|
static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb, |
|
const char *name, const char *tag, |
|
int len) |
|
{ |
|
AVDictionaryEntry *t = NULL; |
|
uint8_t num; |
|
int size = 24 + len; |
|
|
|
if (len != 1 && len != 4) |
|
return -1; |
|
|
|
if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) |
|
return 0; |
|
num = atoi(t->value); |
|
|
|
avio_wb32(pb, size); |
|
ffio_wfourcc(pb, name); |
|
avio_wb32(pb, size - 8); |
|
ffio_wfourcc(pb, "data"); |
|
avio_wb32(pb, 0x15); |
|
avio_wb32(pb, 0); |
|
if (len==4) avio_wb32(pb, num); |
|
else avio_w8 (pb, num); |
|
|
|
return size; |
|
} |
|
|
|
/* iTunes meta data list */ |
|
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "ilst"); |
|
mov_write_string_metadata(s, pb, "\251nam", "title" , 1); |
|
mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); |
|
mov_write_string_metadata(s, pb, "aART", "album_artist", 1); |
|
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); |
|
mov_write_string_metadata(s, pb, "\251alb", "album" , 1); |
|
mov_write_string_metadata(s, pb, "\251day", "date" , 1); |
|
if (!mov->exact && |
|
!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) |
|
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); |
|
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); |
|
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); |
|
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); |
|
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); |
|
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); |
|
mov_write_string_metadata(s, pb, "desc", "description",1); |
|
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); |
|
mov_write_string_metadata(s, pb, "tvsh", "show" , 1); |
|
mov_write_string_metadata(s, pb, "tven", "episode_id",1); |
|
mov_write_string_metadata(s, pb, "tvnn", "network" , 1); |
|
mov_write_int8_metadata (s, pb, "tves", "episode_sort",4); |
|
mov_write_int8_metadata (s, pb, "tvsn", "season_number",4); |
|
mov_write_int8_metadata (s, pb, "stik", "media_type",1); |
|
mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1); |
|
mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1); |
|
mov_write_int8_metadata (s, pb, "cpil", "compilation", 1); |
|
mov_write_trkn_tag(pb, mov, s, 0); // track number |
|
mov_write_trkn_tag(pb, mov, s, 1); // disc number |
|
mov_write_tmpo_tag(pb, s); |
|
return update_size(pb, pos); |
|
} |
|
|
|
/* iTunes meta data tag */ |
|
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s) |
|
{ |
|
int size = 0; |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "meta"); |
|
avio_wb32(pb, 0); |
|
mov_write_itunes_hdlr_tag(pb, mov, s); |
|
mov_write_ilst_tag(pb, mov, s); |
|
size = update_size(pb, pos); |
|
return size; |
|
} |
|
|
|
static int utf8len(const uint8_t *b) |
|
{ |
|
int len = 0; |
|
int val; |
|
while (*b) { |
|
GET_UTF8(val, *b++, return -1;) |
|
len++; |
|
} |
|
return len; |
|
} |
|
|
|
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b) |
|
{ |
|
int val; |
|
while (*b) { |
|
GET_UTF8(val, *b++, return -1;) |
|
avio_wb16(pb, val); |
|
} |
|
avio_wb16(pb, 0x00); |
|
return 0; |
|
} |
|
|
|
static uint16_t language_code(const char *str) |
|
{ |
|
return (((str[0] - 0x60) & 0x1F) << 10) + |
|
(((str[1] - 0x60) & 0x1F) << 5) + |
|
(( str[2] - 0x60) & 0x1F); |
|
} |
|
|
|
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, |
|
const char *tag, const char *str) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0); |
|
if (!t || !utf8len(t->value)) |
|
return 0; |
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, tag); /* type */ |
|
avio_wb32(pb, 0); /* version + flags */ |
|
if (!strcmp(tag, "yrrc")) |
|
avio_wb16(pb, atoi(t->value)); |
|
else { |
|
avio_wb16(pb, language_code("eng")); /* language */ |
|
avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */ |
|
if (!strcmp(tag, "albm") && |
|
(t = av_dict_get(s->metadata, "track", NULL, 0))) |
|
avio_w8(pb, atoi(t->value)); |
|
} |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i, nb_chapters = FFMIN(s->nb_chapters, 255); |
|
|
|
avio_wb32(pb, 0); // size |
|
ffio_wfourcc(pb, "chpl"); |
|
avio_wb32(pb, 0x01000000); // version + flags |
|
avio_wb32(pb, 0); // unknown |
|
avio_w8(pb, nb_chapters); |
|
|
|
for (i = 0; i < nb_chapters; i++) { |
|
AVChapter *c = s->chapters[i]; |
|
AVDictionaryEntry *t; |
|
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); |
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { |
|
int len = FFMIN(strlen(t->value), 255); |
|
avio_w8(pb, len); |
|
avio_write(pb, t->value, len); |
|
} else |
|
avio_w8(pb, 0); |
|
} |
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s) |
|
{ |
|
AVIOContext *pb_buf; |
|
int ret, size; |
|
uint8_t *buf; |
|
|
|
ret = avio_open_dyn_buf(&pb_buf); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (mov->mode & MODE_3GP) { |
|
mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); |
|
mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); |
|
} else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 |
|
mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251day", "date", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0); |
|
// currently ignored by mov.c |
|
mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0); |
|
// add support for libquicktime, this atom is also actually read by mov.c |
|
mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0); |
|
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0); |
|
} else { |
|
/* iTunes meta data */ |
|
mov_write_meta_tag(pb_buf, mov, s); |
|
} |
|
|
|
if (s->nb_chapters) |
|
mov_write_chpl_tag(pb_buf, s); |
|
|
|
if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) { |
|
avio_wb32(pb, size + 8); |
|
ffio_wfourcc(pb, "udta"); |
|
avio_write(pb, buf, size); |
|
} |
|
av_free(buf); |
|
|
|
return 0; |
|
} |
|
|
|
static void mov_write_psp_udta_tag(AVIOContext *pb, |
|
const char *str, const char *lang, int type) |
|
{ |
|
int len = utf8len(str) + 1; |
|
if (len <= 0) |
|
return; |
|
avio_wb16(pb, len * 2 + 10); /* size */ |
|
avio_wb32(pb, type); /* type */ |
|
avio_wb16(pb, language_code(lang)); /* language */ |
|
avio_wb16(pb, 0x01); /* ? */ |
|
ascii_to_wc(pb, str); |
|
} |
|
|
|
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0); |
|
int64_t pos, pos2; |
|
|
|
if (title) { |
|
pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size placeholder*/ |
|
ffio_wfourcc(pb, "uuid"); |
|
ffio_wfourcc(pb, "USMT"); |
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
|
avio_wb32(pb, 0xbb88695c); |
|
avio_wb32(pb, 0xfac9c740); |
|
|
|
pos2 = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size placeholder*/ |
|
ffio_wfourcc(pb, "MTDT"); |
|
avio_wb16(pb, 4); |
|
|
|
// ? |
|
avio_wb16(pb, 0x0C); /* size */ |
|
avio_wb32(pb, 0x0B); /* type */ |
|
avio_wb16(pb, language_code("und")); /* language */ |
|
avio_wb16(pb, 0x0); /* ? */ |
|
avio_wb16(pb, 0x021C); /* data */ |
|
|
|
if (!mov->exact) |
|
mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); |
|
mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); |
|
mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); |
|
|
|
update_size(pb, pos2); |
|
return update_size(pb, pos); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void build_chunks(MOVTrack *trk) |
|
{ |
|
int i; |
|
MOVIentry *chunk = &trk->cluster[0]; |
|
uint64_t chunkSize = chunk->size; |
|
chunk->chunkNum = 1; |
|
if (trk->chunkCount) |
|
return; |
|
trk->chunkCount = 1; |
|
for (i = 1; i<trk->entry; i++){ |
|
if (chunk->pos + chunkSize == trk->cluster[i].pos && |
|
chunkSize + trk->cluster[i].size < (1<<20)){ |
|
chunkSize += trk->cluster[i].size; |
|
chunk->samples_in_chunk += trk->cluster[i].entries; |
|
} else { |
|
trk->cluster[i].chunkNum = chunk->chunkNum+1; |
|
chunk=&trk->cluster[i]; |
|
chunkSize = chunk->size; |
|
trk->chunkCount++; |
|
} |
|
} |
|
} |
|
|
|
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
AVFormatContext *s) |
|
{ |
|
int i; |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size placeholder*/ |
|
ffio_wfourcc(pb, "moov"); |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) |
|
continue; |
|
|
|
mov->tracks[i].time = mov->time; |
|
mov->tracks[i].track_id = i + 1; |
|
|
|
if (mov->tracks[i].entry) |
|
build_chunks(&mov->tracks[i]); |
|
} |
|
|
|
if (mov->chapter_track) |
|
for (i = 0; i < s->nb_streams; i++) { |
|
mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); |
|
mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id; |
|
} |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { |
|
mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); |
|
mov->tracks[i].tref_id = |
|
mov->tracks[mov->tracks[i].src_track].track_id; |
|
} |
|
} |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].tag == MKTAG('t','m','c','d')) { |
|
int src_trk = mov->tracks[i].src_track; |
|
mov->tracks[src_trk].tref_tag = mov->tracks[i].tag; |
|
mov->tracks[src_trk].tref_id = mov->tracks[i].track_id; |
|
//src_trk may have a different timescale than the tmcd track |
|
mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration, |
|
mov->tracks[i].timescale, |
|
mov->tracks[src_trk].timescale); |
|
} |
|
} |
|
|
|
mov_write_mvhd_tag(pb, mov); |
|
if (mov->mode != MODE_MOV && !mov->iods_skip) |
|
mov_write_iods_tag(pb, mov); |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) { |
|
mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); |
|
} |
|
} |
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) |
|
mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */ |
|
|
|
if (mov->mode == MODE_PSP) |
|
mov_write_uuidusmt_tag(pb, s); |
|
else |
|
mov_write_udta_tag(pb, mov, s); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static void param_write_int(AVIOContext *pb, const char *name, int value) |
|
{ |
|
avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value); |
|
} |
|
|
|
static void param_write_string(AVIOContext *pb, const char *name, const char *value) |
|
{ |
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value); |
|
} |
|
|
|
static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len) |
|
{ |
|
char buf[150]; |
|
len = FFMIN(sizeof(buf) / 2 - 1, len); |
|
ff_data_to_hex(buf, value, len, 0); |
|
buf[2 * len] = '\0'; |
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf); |
|
} |
|
|
|
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
static const uint8_t uuid[] = { |
|
0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd, |
|
0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 |
|
}; |
|
|
|
avio_wb32(pb, 0); |
|
ffio_wfourcc(pb, "uuid"); |
|
avio_write(pb, uuid, sizeof(uuid)); |
|
avio_wb32(pb, 0); |
|
|
|
avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"); |
|
avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n"); |
|
avio_printf(pb, "<head>\n"); |
|
if (!mov->exact) |
|
avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n", |
|
LIBAVFORMAT_IDENT); |
|
avio_printf(pb, "</head>\n"); |
|
avio_printf(pb, "<body>\n"); |
|
avio_printf(pb, "<switch>\n"); |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *track = &mov->tracks[i]; |
|
const char *type; |
|
/* track->track_id is initialized in write_moov, and thus isn't known |
|
* here yet */ |
|
int track_id = i + 1; |
|
|
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
type = "video"; |
|
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
type = "audio"; |
|
} else { |
|
continue; |
|
} |
|
avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type, |
|
track->enc->bit_rate); |
|
param_write_int(pb, "systemBitrate", track->enc->bit_rate); |
|
param_write_int(pb, "trackID", track_id); |
|
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
if (track->enc->codec_id == AV_CODEC_ID_H264) { |
|
uint8_t *ptr; |
|
int size = track->enc->extradata_size; |
|
if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr, |
|
&size)) { |
|
param_write_hex(pb, "CodecPrivateData", |
|
ptr ? ptr : track->enc->extradata, |
|
size); |
|
av_free(ptr); |
|
} |
|
param_write_string(pb, "FourCC", "H264"); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_VC1) { |
|
param_write_string(pb, "FourCC", "WVC1"); |
|
param_write_hex(pb, "CodecPrivateData", track->enc->extradata, |
|
track->enc->extradata_size); |
|
} |
|
param_write_int(pb, "MaxWidth", track->enc->width); |
|
param_write_int(pb, "MaxHeight", track->enc->height); |
|
param_write_int(pb, "DisplayWidth", track->enc->width); |
|
param_write_int(pb, "DisplayHeight", track->enc->height); |
|
} else { |
|
if (track->enc->codec_id == AV_CODEC_ID_AAC) { |
|
param_write_string(pb, "FourCC", "AACL"); |
|
} else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) { |
|
param_write_string(pb, "FourCC", "WMAP"); |
|
} |
|
param_write_hex(pb, "CodecPrivateData", track->enc->extradata, |
|
track->enc->extradata_size); |
|
param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags, |
|
track->enc->codec_id)); |
|
param_write_int(pb, "Channels", track->enc->channels); |
|
param_write_int(pb, "SamplingRate", track->enc->sample_rate); |
|
param_write_int(pb, "BitsPerSample", 16); |
|
param_write_int(pb, "PacketSize", track->enc->block_align ? |
|
track->enc->block_align : 4); |
|
} |
|
avio_printf(pb, "</%s>\n", type); |
|
} |
|
avio_printf(pb, "</switch>\n"); |
|
avio_printf(pb, "</body>\n"); |
|
avio_printf(pb, "</smil>\n"); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
avio_wb32(pb, 16); |
|
ffio_wfourcc(pb, "mfhd"); |
|
avio_wb32(pb, 0); |
|
avio_wb32(pb, mov->fragments); |
|
return 0; |
|
} |
|
|
|
static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track, int64_t moof_offset) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION | |
|
MOV_TFHD_BASE_DATA_OFFSET; |
|
if (!track->entry) { |
|
flags |= MOV_TFHD_DURATION_IS_EMPTY; |
|
} else { |
|
flags |= MOV_TFHD_DEFAULT_FLAGS; |
|
} |
|
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET) |
|
flags &= ~MOV_TFHD_BASE_DATA_OFFSET; |
|
|
|
/* Don't set a default sample size, the silverlight player refuses |
|
* to play files with that set. Don't set a default sample duration, |
|
* WMP freaks out if it is set. Don't set a base data offset, PIFF |
|
* file format says it MUST NOT be set. */ |
|
if (track->mode == MODE_ISM) |
|
flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION | |
|
MOV_TFHD_BASE_DATA_OFFSET); |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "tfhd"); |
|
avio_w8(pb, 0); /* version */ |
|
avio_wb24(pb, flags); |
|
|
|
avio_wb32(pb, track->track_id); /* track-id */ |
|
if (flags & MOV_TFHD_BASE_DATA_OFFSET) |
|
avio_wb64(pb, moof_offset); |
|
if (flags & MOV_TFHD_DEFAULT_DURATION) { |
|
track->default_duration = get_cluster_duration(track, 0); |
|
avio_wb32(pb, track->default_duration); |
|
} |
|
if (flags & MOV_TFHD_DEFAULT_SIZE) { |
|
track->default_size = track->entry ? track->cluster[0].size : 1; |
|
avio_wb32(pb, track->default_size); |
|
} else |
|
track->default_size = -1; |
|
|
|
if (flags & MOV_TFHD_DEFAULT_FLAGS) { |
|
track->default_sample_flags = |
|
track->enc->codec_type == AVMEDIA_TYPE_VIDEO ? |
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) : |
|
MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO; |
|
avio_wb32(pb, track->default_sample_flags); |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry) |
|
{ |
|
return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO : |
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC); |
|
} |
|
|
|
static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track, int moof_size) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
uint32_t flags = MOV_TRUN_DATA_OFFSET; |
|
int i; |
|
|
|
for (i = 0; i < track->entry; i++) { |
|
if (get_cluster_duration(track, i) != track->default_duration) |
|
flags |= MOV_TRUN_SAMPLE_DURATION; |
|
if (track->cluster[i].size != track->default_size) |
|
flags |= MOV_TRUN_SAMPLE_SIZE; |
|
if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags) |
|
flags |= MOV_TRUN_SAMPLE_FLAGS; |
|
} |
|
if (!(flags & MOV_TRUN_SAMPLE_FLAGS)) |
|
flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS; |
|
if (track->flags & MOV_TRACK_CTTS) |
|
flags |= MOV_TRUN_SAMPLE_CTS; |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "trun"); |
|
avio_w8(pb, 0); /* version */ |
|
avio_wb24(pb, flags); |
|
|
|
avio_wb32(pb, track->entry); /* sample count */ |
|
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET && |
|
!(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) && |
|
track->track_id != 1) |
|
avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */ |
|
else |
|
avio_wb32(pb, moof_size + 8 + track->data_offset + |
|
track->cluster[0].pos); /* data offset */ |
|
if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS) |
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[0])); |
|
|
|
for (i = 0; i < track->entry; i++) { |
|
if (flags & MOV_TRUN_SAMPLE_DURATION) |
|
avio_wb32(pb, get_cluster_duration(track, i)); |
|
if (flags & MOV_TRUN_SAMPLE_SIZE) |
|
avio_wb32(pb, track->cluster[i].size); |
|
if (flags & MOV_TRUN_SAMPLE_FLAGS) |
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[i])); |
|
if (flags & MOV_TRUN_SAMPLE_CTS) |
|
avio_wb32(pb, track->cluster[i].cts); |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
static const uint8_t uuid[] = { |
|
0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6, |
|
0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 |
|
}; |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "uuid"); |
|
avio_write(pb, uuid, sizeof(uuid)); |
|
avio_w8(pb, 1); |
|
avio_wb24(pb, 0); |
|
avio_wb64(pb, track->frag_start); |
|
avio_wb64(pb, track->start_dts + track->track_duration - |
|
track->cluster[0].dts); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track, int entry) |
|
{ |
|
int n = track->nb_frag_info - 1 - entry, i; |
|
int size = 8 + 16 + 4 + 1 + 16*n; |
|
static const uint8_t uuid[] = { |
|
0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95, |
|
0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f |
|
}; |
|
|
|
if (entry < 0) |
|
return 0; |
|
|
|
avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET); |
|
avio_wb32(pb, size); |
|
ffio_wfourcc(pb, "uuid"); |
|
avio_write(pb, uuid, sizeof(uuid)); |
|
avio_w8(pb, 1); |
|
avio_wb24(pb, 0); |
|
avio_w8(pb, n); |
|
for (i = 0; i < n; i++) { |
|
int index = entry + 1 + i; |
|
avio_wb64(pb, track->frag_info[index].time); |
|
avio_wb64(pb, track->frag_info[index].duration); |
|
} |
|
if (n < mov->ism_lookahead) { |
|
int free_size = 16 * (mov->ism_lookahead - n); |
|
avio_wb32(pb, free_size); |
|
ffio_wfourcc(pb, "free"); |
|
ffio_fill(pb, 0, free_size - 8); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
for (i = 0; i < mov->ism_lookahead; i++) { |
|
/* Update the tfrf tag for the last ism_lookahead fragments, |
|
* nb_frag_info - 1 is the next fragment to be written. */ |
|
mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i); |
|
} |
|
avio_seek(pb, pos, SEEK_SET); |
|
return 0; |
|
} |
|
|
|
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov, |
|
MOVTrack *track, int64_t moof_offset, |
|
int moof_size) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "traf"); |
|
|
|
mov_write_tfhd_tag(pb, mov, track, moof_offset); |
|
mov_write_trun_tag(pb, mov, track, moof_size); |
|
if (mov->mode == MODE_ISM) { |
|
mov_write_tfxd_tag(pb, track); |
|
|
|
if (mov->ism_lookahead) { |
|
int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead; |
|
|
|
track->tfrf_offset = avio_tell(pb); |
|
avio_wb32(pb, 8 + size); |
|
ffio_wfourcc(pb, "free"); |
|
for (i = 0; i < size; i++) |
|
avio_w8(pb, 0); |
|
} |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov, |
|
int tracks, int moof_size) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "moof"); |
|
|
|
mov_write_mfhd_tag(pb, mov); |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *track = &mov->tracks[i]; |
|
if (tracks >= 0 && i != tracks) |
|
continue; |
|
if (!track->entry) |
|
continue; |
|
mov_write_traf_tag(pb, mov, track, pos, moof_size); |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks) |
|
{ |
|
AVIOContext *avio_buf; |
|
int ret, moof_size; |
|
|
|
if ((ret = ffio_open_null_buf(&avio_buf)) < 0) |
|
return ret; |
|
mov_write_moof_tag_internal(avio_buf, mov, tracks, 0); |
|
moof_size = ffio_close_null_buf(avio_buf); |
|
return mov_write_moof_tag_internal(pb, mov, tracks, moof_size); |
|
} |
|
|
|
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "tfra"); |
|
avio_w8(pb, 1); /* version */ |
|
avio_wb24(pb, 0); |
|
|
|
avio_wb32(pb, track->track_id); |
|
avio_wb32(pb, 0); /* length of traf/trun/sample num */ |
|
avio_wb32(pb, track->nb_frag_info); |
|
for (i = 0; i < track->nb_frag_info; i++) { |
|
avio_wb64(pb, track->frag_info[i].time); |
|
avio_wb64(pb, track->frag_info[i].offset); |
|
avio_w8(pb, 1); /* traf number */ |
|
avio_w8(pb, 1); /* trun number */ |
|
avio_w8(pb, 1); /* sample number */ |
|
} |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
int64_t pos = avio_tell(pb); |
|
int i; |
|
|
|
avio_wb32(pb, 0); /* size placeholder */ |
|
ffio_wfourcc(pb, "mfra"); |
|
/* An empty mfra atom is enough to indicate to the publishing point that |
|
* the stream has ended. */ |
|
if (mov->flags & FF_MOV_FLAG_ISML) |
|
return update_size(pb, pos); |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *track = &mov->tracks[i]; |
|
if (track->nb_frag_info) |
|
mov_write_tfra_tag(pb, track); |
|
} |
|
|
|
avio_wb32(pb, 16); |
|
ffio_wfourcc(pb, "mfro"); |
|
avio_wb32(pb, 0); /* version + flags */ |
|
avio_wb32(pb, avio_tell(pb) + 4 - pos); |
|
|
|
return update_size(pb, pos); |
|
} |
|
|
|
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov) |
|
{ |
|
avio_wb32(pb, 8); // placeholder for extended size field (64 bit) |
|
ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free"); |
|
|
|
mov->mdat_pos = avio_tell(pb); |
|
avio_wb32(pb, 0); /* size placeholder*/ |
|
ffio_wfourcc(pb, "mdat"); |
|
return 0; |
|
} |
|
|
|
/* TODO: This needs to be more general */ |
|
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
int64_t pos = avio_tell(pb); |
|
int has_h264 = 0, has_video = 0; |
|
int minor = 0x200; |
|
int i; |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
|
has_video = 1; |
|
if (st->codec->codec_id == AV_CODEC_ID_H264) |
|
has_h264 = 1; |
|
} |
|
|
|
avio_wb32(pb, 0); /* size */ |
|
ffio_wfourcc(pb, "ftyp"); |
|
|
|
if (mov->major_brand && strlen(mov->major_brand) >= 4) |
|
ffio_wfourcc(pb, mov->major_brand); |
|
else if (mov->mode == MODE_3GP) { |
|
ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4"); |
|
minor = has_h264 ? 0x100 : 0x200; |
|
} else if (mov->mode & MODE_3G2) { |
|
ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a"); |
|
minor = has_h264 ? 0x20000 : 0x10000; |
|
} else if (mov->mode == MODE_PSP) |
|
ffio_wfourcc(pb, "MSNV"); |
|
else if (mov->mode == MODE_MP4) |
|
ffio_wfourcc(pb, "isom"); |
|
else if (mov->mode == MODE_IPOD) |
|
ffio_wfourcc(pb, has_video ? "M4V ":"M4A "); |
|
else if (mov->mode == MODE_ISM) |
|
ffio_wfourcc(pb, "isml"); |
|
else if (mov->mode == MODE_F4V) |
|
ffio_wfourcc(pb, "f4v "); |
|
else |
|
ffio_wfourcc(pb, "qt "); |
|
|
|
avio_wb32(pb, minor); |
|
|
|
if (mov->mode == MODE_MOV) |
|
ffio_wfourcc(pb, "qt "); |
|
else if (mov->mode == MODE_ISM) { |
|
ffio_wfourcc(pb, "piff"); |
|
ffio_wfourcc(pb, "iso2"); |
|
} else { |
|
ffio_wfourcc(pb, "isom"); |
|
ffio_wfourcc(pb, "iso2"); |
|
if (has_h264) |
|
ffio_wfourcc(pb, "avc1"); |
|
} |
|
|
|
if (mov->mode == MODE_3GP) |
|
ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4"); |
|
else if (mov->mode & MODE_3G2) |
|
ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a"); |
|
else if (mov->mode == MODE_PSP) |
|
ffio_wfourcc(pb, "MSNV"); |
|
else if (mov->mode == MODE_MP4) |
|
ffio_wfourcc(pb, "mp41"); |
|
return update_size(pb, pos); |
|
} |
|
|
|
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s) |
|
{ |
|
AVCodecContext *video_codec = s->streams[0]->codec; |
|
AVCodecContext *audio_codec = s->streams[1]->codec; |
|
int audio_rate = audio_codec->sample_rate; |
|
int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num); |
|
int audio_kbitrate = audio_codec->bit_rate / 1000; |
|
int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate); |
|
|
|
avio_wb32(pb, 0x94); /* size */ |
|
ffio_wfourcc(pb, "uuid"); |
|
ffio_wfourcc(pb, "PROF"); |
|
|
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
|
avio_wb32(pb, 0xbb88695c); |
|
avio_wb32(pb, 0xfac9c740); |
|
|
|
avio_wb32(pb, 0x0); /* ? */ |
|
avio_wb32(pb, 0x3); /* 3 sections ? */ |
|
|
|
avio_wb32(pb, 0x14); /* size */ |
|
ffio_wfourcc(pb, "FPRF"); |
|
avio_wb32(pb, 0x0); /* ? */ |
|
avio_wb32(pb, 0x0); /* ? */ |
|
avio_wb32(pb, 0x0); /* ? */ |
|
|
|
avio_wb32(pb, 0x2c); /* size */ |
|
ffio_wfourcc(pb, "APRF"); /* audio */ |
|
avio_wb32(pb, 0x0); |
|
avio_wb32(pb, 0x2); /* TrackID */ |
|
ffio_wfourcc(pb, "mp4a"); |
|
avio_wb32(pb, 0x20f); |
|
avio_wb32(pb, 0x0); |
|
avio_wb32(pb, audio_kbitrate); |
|
avio_wb32(pb, audio_kbitrate); |
|
avio_wb32(pb, audio_rate); |
|
avio_wb32(pb, audio_codec->channels); |
|
|
|
avio_wb32(pb, 0x34); /* size */ |
|
ffio_wfourcc(pb, "VPRF"); /* video */ |
|
avio_wb32(pb, 0x0); |
|
avio_wb32(pb, 0x1); /* TrackID */ |
|
if (video_codec->codec_id == AV_CODEC_ID_H264) { |
|
ffio_wfourcc(pb, "avc1"); |
|
avio_wb16(pb, 0x014D); |
|
avio_wb16(pb, 0x0015); |
|
} else { |
|
ffio_wfourcc(pb, "mp4v"); |
|
avio_wb16(pb, 0x0000); |
|
avio_wb16(pb, 0x0103); |
|
} |
|
avio_wb32(pb, 0x0); |
|
avio_wb32(pb, video_kbitrate); |
|
avio_wb32(pb, video_kbitrate); |
|
avio_wb32(pb, frame_rate); |
|
avio_wb32(pb, frame_rate); |
|
avio_wb16(pb, video_codec->width); |
|
avio_wb16(pb, video_codec->height); |
|
avio_wb32(pb, 0x010001); /* ? */ |
|
} |
|
|
|
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) |
|
{ |
|
uint32_t c = -1; |
|
int i, closed_gop = 0; |
|
|
|
for (i = 0; i < pkt->size - 4; i++) { |
|
c = (c << 8) + pkt->data[i]; |
|
if (c == 0x1b8) { // gop |
|
closed_gop = pkt->data[i + 4] >> 6 & 0x01; |
|
} else if (c == 0x100) { // pic |
|
int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6); |
|
if (!temp_ref || closed_gop) // I picture is not reordered |
|
*flags = MOV_SYNC_SAMPLE; |
|
else |
|
*flags = MOV_PARTIAL_SYNC_SAMPLE; |
|
break; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment) |
|
{ |
|
const uint8_t *start, *next, *end = pkt->data + pkt->size; |
|
int seq = 0, entry = 0; |
|
int key = pkt->flags & AV_PKT_FLAG_KEY; |
|
start = find_next_marker(pkt->data, end); |
|
for (next = start; next < end; start = next) { |
|
next = find_next_marker(start + 4, end); |
|
switch (AV_RB32(start)) { |
|
case VC1_CODE_SEQHDR: |
|
seq = 1; |
|
break; |
|
case VC1_CODE_ENTRYPOINT: |
|
entry = 1; |
|
break; |
|
case VC1_CODE_SLICE: |
|
trk->vc1_info.slices = 1; |
|
break; |
|
} |
|
} |
|
if (!trk->entry && !fragment) { |
|
/* First packet in first fragment */ |
|
trk->vc1_info.first_packet_seq = seq; |
|
trk->vc1_info.first_packet_entry = entry; |
|
} else if ((seq && !trk->vc1_info.packet_seq) || |
|
(entry && !trk->vc1_info.packet_entry)) { |
|
int i; |
|
for (i = 0; i < trk->entry; i++) |
|
trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE; |
|
trk->has_keyframes = 0; |
|
if (seq) |
|
trk->vc1_info.packet_seq = 1; |
|
if (entry) |
|
trk->vc1_info.packet_entry = 1; |
|
if (!fragment) { |
|
/* First fragment */ |
|
if ((!seq || trk->vc1_info.first_packet_seq) && |
|
(!entry || trk->vc1_info.first_packet_entry)) { |
|
/* First packet had the same headers as this one, readd the |
|
* sync sample flag. */ |
|
trk->cluster[0].flags |= MOV_SYNC_SAMPLE; |
|
trk->has_keyframes = 1; |
|
} |
|
} |
|
} |
|
if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry) |
|
key = seq && entry; |
|
else if (trk->vc1_info.packet_seq) |
|
key = seq; |
|
else if (trk->vc1_info.packet_entry) |
|
key = entry; |
|
if (key) { |
|
trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE; |
|
trk->has_keyframes++; |
|
} |
|
} |
|
|
|
static int mov_flush_fragment(AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
int i, first_track = -1; |
|
int64_t mdat_size = 0; |
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) |
|
return 0; |
|
|
|
if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) { |
|
int64_t pos = avio_tell(s->pb); |
|
uint8_t *buf; |
|
int buf_size, moov_size; |
|
|
|
for (i = 0; i < mov->nb_streams; i++) |
|
if (!mov->tracks[i].entry) |
|
break; |
|
/* Don't write the initial moov unless all tracks have data */ |
|
if (i < mov->nb_streams) |
|
return 0; |
|
|
|
moov_size = get_moov_size(s); |
|
for (i = 0; i < mov->nb_streams; i++) |
|
mov->tracks[i].data_offset = pos + moov_size + 8; |
|
|
|
mov_write_moov_tag(s->pb, mov, s); |
|
|
|
buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf); |
|
mov->mdat_buf = NULL; |
|
avio_wb32(s->pb, buf_size + 8); |
|
ffio_wfourcc(s->pb, "mdat"); |
|
avio_write(s->pb, buf, buf_size); |
|
av_free(buf); |
|
|
|
mov->fragments++; |
|
mov->mdat_size = 0; |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].entry) |
|
mov->tracks[i].frag_start += mov->tracks[i].start_dts + |
|
mov->tracks[i].track_duration - |
|
mov->tracks[i].cluster[0].dts; |
|
mov->tracks[i].entry = 0; |
|
} |
|
avio_flush(s->pb); |
|
return 0; |
|
} |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *track = &mov->tracks[i]; |
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) |
|
track->data_offset = 0; |
|
else |
|
track->data_offset = mdat_size; |
|
if (!track->mdat_buf) |
|
continue; |
|
mdat_size += avio_tell(track->mdat_buf); |
|
if (first_track < 0) |
|
first_track = i; |
|
} |
|
|
|
if (!mdat_size) |
|
return 0; |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *track = &mov->tracks[i]; |
|
int buf_size, write_moof = 1, moof_tracks = -1; |
|
uint8_t *buf; |
|
int64_t duration = 0; |
|
|
|
if (track->entry) |
|
duration = track->start_dts + track->track_duration - |
|
track->cluster[0].dts; |
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) { |
|
if (!track->mdat_buf) |
|
continue; |
|
mdat_size = avio_tell(track->mdat_buf); |
|
moof_tracks = i; |
|
} else { |
|
write_moof = i == first_track; |
|
} |
|
|
|
if (write_moof) { |
|
MOVFragmentInfo *info; |
|
avio_flush(s->pb); |
|
track->nb_frag_info++; |
|
if (track->nb_frag_info >= track->frag_info_capacity) { |
|
unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT; |
|
if (av_reallocp_array(&track->frag_info, |
|
new_capacity, |
|
sizeof(*track->frag_info))) |
|
return AVERROR(ENOMEM); |
|
track->frag_info_capacity = new_capacity; |
|
} |
|
info = &track->frag_info[track->nb_frag_info - 1]; |
|
info->offset = avio_tell(s->pb); |
|
info->time = mov->tracks[i].frag_start; |
|
info->duration = duration; |
|
mov_write_tfrf_tags(s->pb, mov, track); |
|
|
|
mov_write_moof_tag(s->pb, mov, moof_tracks); |
|
info->tfrf_offset = track->tfrf_offset; |
|
mov->fragments++; |
|
|
|
avio_wb32(s->pb, mdat_size + 8); |
|
ffio_wfourcc(s->pb, "mdat"); |
|
} |
|
|
|
if (track->entry) |
|
track->frag_start += duration; |
|
track->entry = 0; |
|
if (!track->mdat_buf) |
|
continue; |
|
buf_size = avio_close_dyn_buf(track->mdat_buf, &buf); |
|
track->mdat_buf = NULL; |
|
|
|
avio_write(s->pb, buf, buf_size); |
|
av_free(buf); |
|
} |
|
|
|
mov->mdat_size = 0; |
|
|
|
avio_flush(s->pb); |
|
return 0; |
|
} |
|
|
|
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
|
AVCodecContext *enc = trk->enc; |
|
unsigned int samples_in_chunk = 0; |
|
int size = pkt->size; |
|
uint8_t *reformatted_data = NULL; |
|
|
|
if (trk->entry) { |
|
int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts; |
|
if (duration < 0 || duration > INT_MAX) { |
|
av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n", |
|
duration, pkt->dts |
|
); |
|
|
|
pkt->dts = trk->cluster[trk->entry - 1].dts + 1; |
|
pkt->pts = AV_NOPTS_VALUE; |
|
} |
|
if (pkt->duration < 0) { |
|
av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration); |
|
return AVERROR(EINVAL); |
|
} |
|
} |
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) { |
|
int ret; |
|
if (mov->fragments > 0) { |
|
if (!trk->mdat_buf) { |
|
if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0) |
|
return ret; |
|
} |
|
pb = trk->mdat_buf; |
|
} else { |
|
if (!mov->mdat_buf) { |
|
if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0) |
|
return ret; |
|
} |
|
pb = mov->mdat_buf; |
|
} |
|
} |
|
|
|
if (enc->codec_id == AV_CODEC_ID_AMR_NB) { |
|
/* We must find out how many AMR blocks there are in one packet */ |
|
static uint16_t packed_size[16] = |
|
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1}; |
|
int len = 0; |
|
|
|
while (len < size && samples_in_chunk < 100) { |
|
len += packed_size[(pkt->data[len] >> 3) & 0x0F]; |
|
samples_in_chunk++; |
|
} |
|
if (samples_in_chunk > 1) { |
|
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); |
|
return -1; |
|
} |
|
} else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
|
enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { |
|
samples_in_chunk = enc->frame_size; |
|
} else if (trk->sample_size) |
|
samples_in_chunk = size / trk->sample_size; |
|
else |
|
samples_in_chunk = 1; |
|
|
|
/* copy extradata if it exists */ |
|
if (trk->vos_len == 0 && enc->extradata_size > 0) { |
|
trk->vos_len = enc->extradata_size; |
|
trk->vos_data = av_malloc(trk->vos_len); |
|
memcpy(trk->vos_data, enc->extradata, trk->vos_len); |
|
} |
|
|
|
if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && |
|
(AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { |
|
if (!s->streams[pkt->stream_index]->nb_frames) { |
|
av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: " |
|
"use audio bitstream filter 'aac_adtstoasc' to fix it " |
|
"('-bsf:a aac_adtstoasc' option with ffmpeg)\n"); |
|
return -1; |
|
} |
|
av_log(s, AV_LOG_WARNING, "aac bitstream error\n"); |
|
} |
|
if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) { |
|
/* from x264 or from bytestream h264 */ |
|
/* nal reformating needed */ |
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { |
|
ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data, |
|
&size); |
|
avio_write(pb, reformatted_data, size); |
|
} else { |
|
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); |
|
} |
|
} else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 && |
|
(AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) { |
|
/* extradata is Annex B, assume the bitstream is too and convert it */ |
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { |
|
ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL); |
|
avio_write(pb, reformatted_data, size); |
|
} else { |
|
size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL); |
|
} |
|
} else { |
|
avio_write(pb, pkt->data, size); |
|
} |
|
|
|
if ((enc->codec_id == AV_CODEC_ID_DNXHD || |
|
enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) { |
|
/* copy frame to create needed atoms */ |
|
trk->vos_len = size; |
|
trk->vos_data = av_malloc(size); |
|
if (!trk->vos_data) |
|
return AVERROR(ENOMEM); |
|
memcpy(trk->vos_data, pkt->data, size); |
|
} |
|
|
|
if (trk->entry >= trk->cluster_capacity) { |
|
unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE); |
|
if (av_reallocp_array(&trk->cluster, new_capacity, |
|
sizeof(*trk->cluster))) |
|
return AVERROR(ENOMEM); |
|
trk->cluster_capacity = new_capacity; |
|
} |
|
|
|
trk->cluster[trk->entry].pos = avio_tell(pb) - size; |
|
trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk; |
|
trk->cluster[trk->entry].chunkNum = 0; |
|
trk->cluster[trk->entry].size = size; |
|
trk->cluster[trk->entry].entries = samples_in_chunk; |
|
trk->cluster[trk->entry].dts = pkt->dts; |
|
if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) { |
|
/* First packet of a new fragment. We already wrote the duration |
|
* of the last packet of the previous fragment based on track_duration, |
|
* which might not exactly match our dts. Therefore adjust the dts |
|
* of this packet to be what the previous packets duration implies. */ |
|
trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration; |
|
} |
|
if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) { |
|
trk->cluster[trk->entry].dts = trk->start_dts = 0; |
|
} |
|
if (trk->start_dts == AV_NOPTS_VALUE) |
|
trk->start_dts = pkt->dts; |
|
trk->track_duration = pkt->dts - trk->start_dts + pkt->duration; |
|
trk->last_sample_is_subtitle_end = 0; |
|
|
|
if (pkt->pts == AV_NOPTS_VALUE) { |
|
av_log(s, AV_LOG_WARNING, "pts has no value\n"); |
|
pkt->pts = pkt->dts; |
|
} |
|
if (pkt->dts != pkt->pts) |
|
trk->flags |= MOV_TRACK_CTTS; |
|
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; |
|
trk->cluster[trk->entry].flags = 0; |
|
if (enc->codec_id == AV_CODEC_ID_VC1) { |
|
mov_parse_vc1_frame(pkt, trk, mov->fragments); |
|
} else if (pkt->flags & AV_PKT_FLAG_KEY) { |
|
if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && |
|
trk->entry > 0) { // force sync sample for the first key frame |
|
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); |
|
if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) |
|
trk->flags |= MOV_TRACK_STPS; |
|
} else { |
|
trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; |
|
} |
|
if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) |
|
trk->has_keyframes++; |
|
} |
|
trk->entry++; |
|
trk->sample_count += samples_in_chunk; |
|
mov->mdat_size += size; |
|
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) |
|
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry, |
|
reformatted_data, size); |
|
av_free(reformatted_data); |
|
return 0; |
|
} |
|
|
|
static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
|
AVCodecContext *enc = trk->enc; |
|
int64_t frag_duration = 0; |
|
int size = pkt->size; |
|
|
|
if (!pkt->size) |
|
return 0; /* Discard 0 sized packets */ |
|
|
|
if (trk->entry && pkt->stream_index < s->nb_streams) |
|
frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts, |
|
s->streams[pkt->stream_index]->time_base, |
|
AV_TIME_BASE_Q); |
|
if ((mov->max_fragment_duration && |
|
frag_duration >= mov->max_fragment_duration) || |
|
(mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) || |
|
(mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME && |
|
enc->codec_type == AVMEDIA_TYPE_VIDEO && |
|
trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) { |
|
if (frag_duration >= mov->min_fragment_duration) |
|
mov_flush_fragment(s); |
|
} |
|
|
|
return ff_mov_write_packet(s, pkt); |
|
} |
|
|
|
static int mov_write_subtitle_end_packet(AVFormatContext *s, |
|
int stream_index, |
|
int64_t dts) { |
|
AVPacket end; |
|
uint8_t data[2] = {0}; |
|
int ret; |
|
|
|
av_init_packet(&end); |
|
end.size = sizeof(data); |
|
end.data = data; |
|
end.pts = dts; |
|
end.dts = dts; |
|
end.duration = 0; |
|
end.stream_index = stream_index; |
|
|
|
ret = mov_write_single_packet(s, &end); |
|
av_free_packet(&end); |
|
|
|
return ret; |
|
} |
|
|
|
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
|
{ |
|
if (!pkt) { |
|
mov_flush_fragment(s); |
|
return 1; |
|
} else { |
|
int i; |
|
MOVMuxContext *mov = s->priv_data; |
|
|
|
if (!pkt->size) return 0; /* Discard 0 sized packets */ |
|
|
|
/* |
|
* Subtitles require special handling. |
|
* |
|
* 1) For full complaince, every track must have a sample at |
|
* dts == 0, which is rarely true for subtitles. So, as soon |
|
* as we see any packet with dts > 0, write an empty subtitle |
|
* at dts == 0 for any subtitle track with no samples in it. |
|
* |
|
* 2) For each subtitle track, check if the current packet's |
|
* dts is past the duration of the last subtitle sample. If |
|
* so, we now need to write an end sample for that subtitle. |
|
* |
|
* This must be done conditionally to allow for subtitles that |
|
* immediately replace each other, in which case an end sample |
|
* is not needed, and is, in fact, actively harmful. |
|
* |
|
* 3) See mov_write_trailer for how the final end sample is |
|
* handled. |
|
*/ |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *trk = &mov->tracks[i]; |
|
int ret; |
|
|
|
if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && |
|
trk->track_duration < pkt->dts && |
|
(trk->entry == 0 || !trk->last_sample_is_subtitle_end)) { |
|
ret = mov_write_subtitle_end_packet(s, i, trk->track_duration); |
|
if (ret < 0) return ret; |
|
trk->last_sample_is_subtitle_end = 1; |
|
} |
|
} |
|
|
|
return mov_write_single_packet(s, pkt); |
|
} |
|
} |
|
|
|
// QuickTime chapters involve an additional text track with the chapter names |
|
// as samples, and a tref pointing from the other tracks to the chapter one. |
|
static int mov_create_chapter_track(AVFormatContext *s, int tracknum) |
|
{ |
|
AVIOContext *pb; |
|
|
|
MOVMuxContext *mov = s->priv_data; |
|
MOVTrack *track = &mov->tracks[tracknum]; |
|
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; |
|
int i, len; |
|
|
|
track->mode = mov->mode; |
|
track->tag = MKTAG('t','e','x','t'); |
|
track->timescale = MOV_TIMESCALE; |
|
track->enc = avcodec_alloc_context3(NULL); |
|
if (!track->enc) |
|
return AVERROR(ENOMEM); |
|
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; |
|
#if 0 |
|
// These properties are required to make QT recognize the chapter track |
|
uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, }; |
|
if (ff_alloc_extradata(track->enc, sizeof(chapter_properties))) |
|
return AVERROR(ENOMEM); |
|
memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties)); |
|
#else |
|
if (avio_open_dyn_buf(&pb) >= 0) { |
|
int size; |
|
uint8_t *buf; |
|
|
|
/* Stub header (usually for Quicktime chapter track) */ |
|
// TextSampleEntry |
|
avio_wb32(pb, 0x01); // displayFlags |
|
avio_w8(pb, 0x00); // horizontal justification |
|
avio_w8(pb, 0x00); // vertical justification |
|
avio_w8(pb, 0x00); // bgColourRed |
|
avio_w8(pb, 0x00); // bgColourGreen |
|
avio_w8(pb, 0x00); // bgColourBlue |
|
avio_w8(pb, 0x00); // bgColourAlpha |
|
// BoxRecord |
|
avio_wb16(pb, 0x00); // defTextBoxTop |
|
avio_wb16(pb, 0x00); // defTextBoxLeft |
|
avio_wb16(pb, 0x00); // defTextBoxBottom |
|
avio_wb16(pb, 0x00); // defTextBoxRight |
|
// StyleRecord |
|
avio_wb16(pb, 0x00); // startChar |
|
avio_wb16(pb, 0x00); // endChar |
|
avio_wb16(pb, 0x01); // fontID |
|
avio_w8(pb, 0x00); // fontStyleFlags |
|
avio_w8(pb, 0x00); // fontSize |
|
avio_w8(pb, 0x00); // fgColourRed |
|
avio_w8(pb, 0x00); // fgColourGreen |
|
avio_w8(pb, 0x00); // fgColourBlue |
|
avio_w8(pb, 0x00); // fgColourAlpha |
|
// FontTableBox |
|
avio_wb32(pb, 0x0D); // box size |
|
ffio_wfourcc(pb, "ftab"); // box atom name |
|
avio_wb16(pb, 0x01); // entry count |
|
// FontRecord |
|
avio_wb16(pb, 0x01); // font ID |
|
avio_w8(pb, 0x00); // font name length |
|
|
|
if ((size = avio_close_dyn_buf(pb, &buf)) > 0) { |
|
track->enc->extradata = buf; |
|
track->enc->extradata_size = size; |
|
} else { |
|
av_freep(&buf); |
|
} |
|
} |
|
#endif |
|
|
|
for (i = 0; i < s->nb_chapters; i++) { |
|
AVChapter *c = s->chapters[i]; |
|
AVDictionaryEntry *t; |
|
|
|
int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); |
|
pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); |
|
pkt.duration = end - pkt.dts; |
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { |
|
len = strlen(t->value); |
|
pkt.size = len + 2; |
|
pkt.data = av_malloc(pkt.size); |
|
if (!pkt.data) |
|
return AVERROR(ENOMEM); |
|
AV_WB16(pkt.data, len); |
|
memcpy(pkt.data + 2, t->value, len); |
|
ff_mov_write_packet(s, &pkt); |
|
av_freep(&pkt.data); |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr) |
|
{ |
|
int ret; |
|
MOVMuxContext *mov = s->priv_data; |
|
MOVTrack *track = &mov->tracks[index]; |
|
AVStream *src_st = s->streams[src_index]; |
|
AVTimecode tc; |
|
AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4}; |
|
AVRational rate = find_fps(s, src_st); |
|
|
|
/* compute the frame number */ |
|
ret = av_timecode_init_from_string(&tc, rate, tcstr, s); |
|
if (ret < 0) |
|
return ret; |
|
|
|
/* tmcd track based on video stream */ |
|
track->mode = mov->mode; |
|
track->tag = MKTAG('t','m','c','d'); |
|
track->src_track = src_index; |
|
track->timescale = mov->tracks[src_index].timescale; |
|
if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME) |
|
track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME; |
|
|
|
/* encode context: tmcd data stream */ |
|
track->enc = avcodec_alloc_context3(NULL); |
|
track->enc->codec_type = AVMEDIA_TYPE_DATA; |
|
track->enc->codec_tag = track->tag; |
|
track->enc->time_base = av_inv_q(rate); |
|
|
|
/* the tmcd track just contains one packet with the frame number */ |
|
pkt.data = av_malloc(pkt.size); |
|
AV_WB32(pkt.data, tc.start); |
|
ret = ff_mov_write_packet(s, &pkt); |
|
av_free(pkt.data); |
|
return ret; |
|
} |
|
|
|
/* |
|
* st->disposition controls the "enabled" flag in the tkhd tag. |
|
* QuickTime will not play a track if it is not enabled. So make sure |
|
* that one track of each type (audio, video, subtitle) is enabled. |
|
* |
|
* Subtitles are special. For audio and video, setting "enabled" also |
|
* makes the track "default" (i.e. it is rendered when played). For |
|
* subtitles, an "enabled" subtitle is not rendered by default, but |
|
* if no subtitle is enabled, the subtitle menu in QuickTime will be |
|
* empty! |
|
*/ |
|
static void enable_tracks(AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
int i; |
|
uint8_t enabled[AVMEDIA_TYPE_NB]; |
|
int first[AVMEDIA_TYPE_NB]; |
|
|
|
for (i = 0; i < AVMEDIA_TYPE_NB; i++) { |
|
enabled[i] = 0; |
|
first[i] = -1; |
|
} |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
|
|
if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN || |
|
st->codec->codec_type >= AVMEDIA_TYPE_NB) |
|
continue; |
|
|
|
if (first[st->codec->codec_type] < 0) |
|
first[st->codec->codec_type] = i; |
|
if (st->disposition & AV_DISPOSITION_DEFAULT) { |
|
mov->tracks[i].flags |= MOV_TRACK_ENABLED; |
|
enabled[st->codec->codec_type] = 1; |
|
} |
|
} |
|
|
|
for (i = 0; i < AVMEDIA_TYPE_NB; i++) { |
|
switch (i) { |
|
case AVMEDIA_TYPE_VIDEO: |
|
case AVMEDIA_TYPE_AUDIO: |
|
case AVMEDIA_TYPE_SUBTITLE: |
|
if (!enabled[i] && first[i] >= 0) |
|
mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
static void mov_free(AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
int i; |
|
|
|
if (mov->chapter_track) { |
|
if (mov->tracks[mov->chapter_track].enc) |
|
av_freep(&mov->tracks[mov->chapter_track].enc->extradata); |
|
av_freep(&mov->tracks[mov->chapter_track].enc); |
|
} |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) |
|
ff_mov_close_hinting(&mov->tracks[i]); |
|
else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) |
|
av_freep(&mov->tracks[i].enc); |
|
av_freep(&mov->tracks[i].cluster); |
|
av_freep(&mov->tracks[i].frag_info); |
|
|
|
if (mov->tracks[i].vos_len) |
|
av_freep(&mov->tracks[i].vos_data); |
|
} |
|
|
|
av_freep(&mov->tracks); |
|
} |
|
|
|
static uint32_t rgb_to_yuv(uint32_t rgb) |
|
{ |
|
uint8_t r, g, b; |
|
int y, cb, cr; |
|
|
|
r = (rgb >> 16) & 0xFF; |
|
g = (rgb >> 8) & 0xFF; |
|
b = (rgb ) & 0xFF; |
|
|
|
y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b); |
|
cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b); |
|
cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b); |
|
|
|
return (y << 16) | (cr << 8) | cb; |
|
} |
|
|
|
static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track, |
|
AVStream *st) |
|
{ |
|
int i, width = 720, height = 480; |
|
int have_palette = 0, have_size = 0; |
|
uint32_t palette[16]; |
|
char *cur = st->codec->extradata; |
|
|
|
while (cur && *cur) { |
|
if (strncmp("palette:", cur, 8) == 0) { |
|
int i, count; |
|
count = sscanf(cur + 8, |
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"", |
|
&palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3], |
|
&palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7], |
|
&palette[ 8], &palette[ 9], &palette[10], &palette[11], |
|
&palette[12], &palette[13], &palette[14], &palette[15]); |
|
|
|
for (i = 0; i < count; i++) { |
|
palette[i] = rgb_to_yuv(palette[i]); |
|
} |
|
have_palette = 1; |
|
} else if (!strncmp("size:", cur, 5)) { |
|
sscanf(cur + 5, "%dx%d", &width, &height); |
|
have_size = 1; |
|
} |
|
if (have_palette && have_size) |
|
break; |
|
cur += strcspn(cur, "\n\r"); |
|
cur += strspn(cur, "\n\r"); |
|
} |
|
if (have_palette) { |
|
track->vos_data = av_malloc(16*4); |
|
if (!track->vos_data) |
|
return AVERROR(ENOMEM); |
|
for (i = 0; i < 16; i++) { |
|
AV_WB32(track->vos_data + i * 4, palette[i]); |
|
} |
|
track->vos_len = 16 * 4; |
|
} |
|
st->codec->width = width; |
|
st->codec->height = track->height = height; |
|
|
|
return 0; |
|
} |
|
|
|
static int mov_write_header(AVFormatContext *s) |
|
{ |
|
AVIOContext *pb = s->pb; |
|
MOVMuxContext *mov = s->priv_data; |
|
AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0); |
|
int i, ret, hint_track = 0, tmcd_track = 0; |
|
|
|
/* Default mode == MP4 */ |
|
mov->mode = MODE_MP4; |
|
|
|
if (s->oformat != NULL) { |
|
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; |
|
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; |
|
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; |
|
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; |
|
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; |
|
else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM; |
|
else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V; |
|
} |
|
|
|
for (i = 0; i < s->nb_streams; i++) |
|
if (s->flags & AVFMT_FLAG_BITEXACT) |
|
mov->exact = 1; |
|
|
|
/* Set the FRAGMENT flag if any of the fragmentation methods are |
|
* enabled. */ |
|
if (mov->max_fragment_duration || mov->max_fragment_size || |
|
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV | |
|
FF_MOV_FLAG_FRAG_KEYFRAME | |
|
FF_MOV_FLAG_FRAG_CUSTOM)) |
|
mov->flags |= FF_MOV_FLAG_FRAGMENT; |
|
|
|
/* Set other implicit flags immediately */ |
|
if (mov->mode == MODE_ISM) |
|
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF | |
|
FF_MOV_FLAG_FRAGMENT; |
|
|
|
/* faststart: moov at the beginning of the file, if supported */ |
|
if (mov->flags & FF_MOV_FLAG_FASTSTART) { |
|
if ((mov->flags & FF_MOV_FLAG_FRAGMENT) || |
|
(s->flags & AVFMT_FLAG_CUSTOM_IO)) { |
|
av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible " |
|
"with fragmentation and custom IO, disabling faststart\n"); |
|
mov->flags &= ~FF_MOV_FLAG_FASTSTART; |
|
} else |
|
mov->reserved_moov_size = -1; |
|
} |
|
|
|
if (!supports_edts(mov) && s->avoid_negative_ts < 0) { |
|
s->avoid_negative_ts = 2; |
|
} |
|
|
|
/* Non-seekable output is ok if using fragmentation. If ism_lookahead |
|
* is enabled, we don't support non-seekable output at all. */ |
|
if (!s->pb->seekable && |
|
(!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) { |
|
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
|
|
mov_write_ftyp_tag(pb,s); |
|
if (mov->mode == MODE_PSP) { |
|
int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0; |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
|
video_streams_nb++; |
|
else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) |
|
audio_streams_nb++; |
|
else |
|
other_streams_nb++; |
|
} |
|
|
|
if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) { |
|
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); |
|
return AVERROR(EINVAL); |
|
} |
|
mov_write_uuidprof_tag(pb, s); |
|
} |
|
|
|
mov->nb_streams = s->nb_streams; |
|
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) |
|
mov->chapter_track = mov->nb_streams++; |
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) { |
|
/* Add hint tracks for each audio and video stream */ |
|
hint_track = mov->nb_streams; |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || |
|
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
mov->nb_streams++; |
|
} |
|
} |
|
} |
|
|
|
if (mov->mode == MODE_MOV) { |
|
tmcd_track = mov->nb_streams; |
|
|
|
/* +1 tmcd track for each video stream with a timecode */ |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && |
|
(global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0))) |
|
mov->nb_meta_tmcd++; |
|
} |
|
|
|
/* check if there is already a tmcd track to remux */ |
|
if (mov->nb_meta_tmcd) { |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_tag == MKTAG('t','m','c','d')) { |
|
av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track " |
|
"so timecode metadata are now ignored\n"); |
|
mov->nb_meta_tmcd = 0; |
|
} |
|
} |
|
} |
|
|
|
mov->nb_streams += mov->nb_meta_tmcd; |
|
} |
|
|
|
// Reserve an extra stream for chapters for the case where chapters |
|
// are written in the trailer |
|
mov->tracks = av_mallocz((mov->nb_streams + 1) * sizeof(*mov->tracks)); |
|
if (!mov->tracks) |
|
return AVERROR(ENOMEM); |
|
|
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st= s->streams[i]; |
|
MOVTrack *track= &mov->tracks[i]; |
|
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0); |
|
|
|
track->st = st; |
|
track->enc = st->codec; |
|
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); |
|
if (track->language < 0) |
|
track->language = 0; |
|
track->mode = mov->mode; |
|
track->tag = mov_find_codec_tag(s, track); |
|
if (!track->tag) { |
|
av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, " |
|
"codec not currently supported in container\n", |
|
avcodec_get_name(st->codec->codec_id), i); |
|
ret = AVERROR(EINVAL); |
|
goto error; |
|
} |
|
/* If hinting of this track is enabled by a later hint track, |
|
* this is updated. */ |
|
track->hint_track = -1; |
|
track->start_dts = AV_NOPTS_VALUE; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || |
|
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || |
|
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { |
|
if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { |
|
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); |
|
ret = AVERROR(EINVAL); |
|
goto error; |
|
} |
|
track->height = track->tag >> 24 == 'n' ? 486 : 576; |
|
} |
|
if (mov->video_track_timescale) { |
|
track->timescale = mov->video_track_timescale; |
|
} else { |
|
track->timescale = st->codec->time_base.den; |
|
while(track->timescale < 10000) |
|
track->timescale *= 2; |
|
} |
|
if (track->mode == MODE_MOV && track->timescale > 100000) |
|
av_log(s, AV_LOG_WARNING, |
|
"WARNING codec timebase is very high. If duration is too long,\n" |
|
"file may not be playable by quicktime. Specify a shorter timebase\n" |
|
"or choose different container.\n"); |
|
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
track->timescale = st->codec->sample_rate; |
|
if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { |
|
av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i); |
|
track->audio_vbr = 1; |
|
}else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS || |
|
st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
|
st->codec->codec_id == AV_CODEC_ID_ILBC){ |
|
if (!st->codec->block_align) { |
|
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i); |
|
ret = AVERROR(EINVAL); |
|
goto error; |
|
} |
|
track->sample_size = st->codec->block_align; |
|
}else if (st->codec->frame_size > 1){ /* assume compressed audio */ |
|
track->audio_vbr = 1; |
|
}else{ |
|
track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; |
|
} |
|
if (st->codec->codec_id == AV_CODEC_ID_ILBC || |
|
st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) { |
|
track->audio_vbr = 1; |
|
} |
|
if (track->mode != MODE_MOV && |
|
track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) { |
|
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", |
|
i, track->enc->sample_rate); |
|
ret = AVERROR(EINVAL); |
|
goto error; |
|
} |
|
} else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
|
track->timescale = st->codec->time_base.den; |
|
} else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) { |
|
track->timescale = st->codec->time_base.den; |
|
} else { |
|
track->timescale = MOV_TIMESCALE; |
|
} |
|
if (!track->height) |
|
track->height = st->codec->height; |
|
/* The ism specific timescale isn't mandatory, but is assumed by |
|
* some tools, such as mp4split. */ |
|
if (mov->mode == MODE_ISM) |
|
track->timescale = 10000000; |
|
|
|
avpriv_set_pts_info(st, 64, 1, track->timescale); |
|
|
|
/* copy extradata if it exists */ |
|
if (st->codec->extradata_size) { |
|
if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
|
mov_create_dvd_sub_decoder_specific_info(track, st); |
|
else { |
|
track->vos_len = st->codec->extradata_size; |
|
track->vos_data = av_malloc(track->vos_len); |
|
memcpy(track->vos_data, st->codec->extradata, track->vos_len); |
|
} |
|
} |
|
} |
|
|
|
enable_tracks(s); |
|
|
|
|
|
if (mov->reserved_moov_size){ |
|
mov->reserved_moov_pos= avio_tell(pb); |
|
if (mov->reserved_moov_size > 0) |
|
avio_skip(pb, mov->reserved_moov_size); |
|
} |
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) { |
|
/* If no fragmentation options have been set, set a default. */ |
|
if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME | |
|
FF_MOV_FLAG_FRAG_CUSTOM)) && |
|
!mov->max_fragment_duration && !mov->max_fragment_size) |
|
mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME; |
|
} else { |
|
if (mov->flags & FF_MOV_FLAG_FASTSTART) |
|
mov->reserved_moov_pos = avio_tell(pb); |
|
mov_write_mdat_tag(pb, mov); |
|
} |
|
|
|
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) |
|
mov->time = ff_iso8601_to_unix_time(t->value); |
|
if (mov->time) |
|
mov->time += 0x7C25B080; // 1970 based -> 1904 based |
|
|
|
if (mov->chapter_track) |
|
if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0) |
|
goto error; |
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) { |
|
/* Initialize the hint tracks for each audio and video stream */ |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || |
|
st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
|
if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0) |
|
goto error; |
|
hint_track++; |
|
} |
|
} |
|
} |
|
|
|
if (mov->nb_meta_tmcd) { |
|
/* Initialize the tmcd tracks */ |
|
for (i = 0; i < s->nb_streams; i++) { |
|
AVStream *st = s->streams[i]; |
|
t = global_tcr; |
|
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
|
if (!t) |
|
t = av_dict_get(st->metadata, "timecode", NULL, 0); |
|
if (!t) |
|
continue; |
|
if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0) |
|
goto error; |
|
tmcd_track++; |
|
} |
|
} |
|
} |
|
|
|
avio_flush(pb); |
|
|
|
if (mov->flags & FF_MOV_FLAG_ISML) |
|
mov_write_isml_manifest(pb, mov); |
|
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) { |
|
mov_write_moov_tag(pb, mov, s); |
|
mov->fragments++; |
|
} |
|
|
|
return 0; |
|
error: |
|
mov_free(s); |
|
return ret; |
|
} |
|
|
|
static int get_moov_size(AVFormatContext *s) |
|
{ |
|
int ret; |
|
AVIOContext *moov_buf; |
|
MOVMuxContext *mov = s->priv_data; |
|
|
|
if ((ret = ffio_open_null_buf(&moov_buf)) < 0) |
|
return ret; |
|
mov_write_moov_tag(moov_buf, mov, s); |
|
return ffio_close_null_buf(moov_buf); |
|
} |
|
|
|
/* |
|
* This function gets the moov size if moved to the top of the file: the chunk |
|
* offset table can switch between stco (32-bit entries) to co64 (64-bit |
|
* entries) when the moov is moved to the beginning, so the size of the moov |
|
* would change. It also updates the chunk offset tables. |
|
*/ |
|
static int compute_moov_size(AVFormatContext *s) |
|
{ |
|
int i, moov_size, moov_size2; |
|
MOVMuxContext *mov = s->priv_data; |
|
|
|
moov_size = get_moov_size(s); |
|
if (moov_size < 0) |
|
return moov_size; |
|
|
|
for (i = 0; i < mov->nb_streams; i++) |
|
mov->tracks[i].data_offset += moov_size; |
|
|
|
moov_size2 = get_moov_size(s); |
|
if (moov_size2 < 0) |
|
return moov_size2; |
|
|
|
/* if the size changed, we just switched from stco to co64 and need to |
|
* update the offsets */ |
|
if (moov_size2 != moov_size) |
|
for (i = 0; i < mov->nb_streams; i++) |
|
mov->tracks[i].data_offset += moov_size2 - moov_size; |
|
|
|
return moov_size2; |
|
} |
|
|
|
static int shift_data(AVFormatContext *s) |
|
{ |
|
int ret = 0, moov_size; |
|
MOVMuxContext *mov = s->priv_data; |
|
int64_t pos, pos_end = avio_tell(s->pb); |
|
uint8_t *buf, *read_buf[2]; |
|
int read_buf_id = 0; |
|
int read_size[2]; |
|
AVIOContext *read_pb; |
|
|
|
moov_size = compute_moov_size(s); |
|
if (moov_size < 0) |
|
return moov_size; |
|
|
|
buf = av_malloc(moov_size * 2); |
|
if (!buf) |
|
return AVERROR(ENOMEM); |
|
read_buf[0] = buf; |
|
read_buf[1] = buf + moov_size; |
|
|
|
/* Shift the data: the AVIO context of the output can only be used for |
|
* writing, so we re-open the same output, but for reading. It also avoids |
|
* a read/seek/write/seek back and forth. */ |
|
avio_flush(s->pb); |
|
ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ); |
|
if (ret < 0) { |
|
av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for " |
|
"the second pass (faststart)\n", s->filename); |
|
goto end; |
|
} |
|
|
|
/* mark the end of the shift to up to the last data we wrote, and get ready |
|
* for writing */ |
|
pos_end = avio_tell(s->pb); |
|
avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET); |
|
|
|
/* start reading at where the new moov will be placed */ |
|
avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET); |
|
pos = avio_tell(read_pb); |
|
|
|
#define READ_BLOCK do { \ |
|
read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \ |
|
read_buf_id ^= 1; \ |
|
} while (0) |
|
|
|
/* shift data by chunk of at most moov_size */ |
|
READ_BLOCK; |
|
do { |
|
int n; |
|
READ_BLOCK; |
|
n = read_size[read_buf_id]; |
|
if (n <= 0) |
|
break; |
|
avio_write(s->pb, read_buf[read_buf_id], n); |
|
pos += n; |
|
} while (pos < pos_end); |
|
avio_close(read_pb); |
|
|
|
end: |
|
av_free(buf); |
|
return ret; |
|
} |
|
|
|
static int mov_write_trailer(AVFormatContext *s) |
|
{ |
|
MOVMuxContext *mov = s->priv_data; |
|
AVIOContext *pb = s->pb; |
|
int res = 0; |
|
int i; |
|
int64_t moov_pos; |
|
|
|
/* |
|
* Before actually writing the trailer, make sure that there are no |
|
* dangling subtitles, that need a terminating sample. |
|
*/ |
|
for (i = 0; i < mov->nb_streams; i++) { |
|
MOVTrack *trk = &mov->tracks[i]; |
|
if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && |
|
!trk->last_sample_is_subtitle_end) { |
|
mov_write_subtitle_end_packet(s, i, trk->track_duration); |
|
trk->last_sample_is_subtitle_end = 1; |
|
} |
|
} |
|
|
|
// If there were no chapters when the header was written, but there |
|
// are chapters now, write them in the trailer. This only works |
|
// when we are not doing fragments. |
|
if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) { |
|
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) { |
|
mov->chapter_track = mov->nb_streams++; |
|
if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0) |
|
goto error; |
|
} |
|
} |
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) { |
|
moov_pos = avio_tell(pb); |
|
|
|
/* Write size of mdat tag */ |
|
if (mov->mdat_size + 8 <= UINT32_MAX) { |
|
avio_seek(pb, mov->mdat_pos, SEEK_SET); |
|
avio_wb32(pb, mov->mdat_size + 8); |
|
} else { |
|
/* overwrite 'wide' placeholder atom */ |
|
avio_seek(pb, mov->mdat_pos - 8, SEEK_SET); |
|
/* special value: real atom size will be 64 bit value after |
|
* tag field */ |
|
avio_wb32(pb, 1); |
|
ffio_wfourcc(pb, "mdat"); |
|
avio_wb64(pb, mov->mdat_size + 16); |
|
} |
|
avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET); |
|
|
|
if (mov->flags & FF_MOV_FLAG_FASTSTART) { |
|
av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n"); |
|
res = shift_data(s); |
|
if (res == 0) { |
|
avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET); |
|
mov_write_moov_tag(pb, mov, s); |
|
} |
|
} else if (mov->reserved_moov_size > 0) { |
|
int64_t size; |
|
mov_write_moov_tag(pb, mov, s); |
|
size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos); |
|
if (size < 8){ |
|
av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size); |
|
return -1; |
|
} |
|
avio_wb32(pb, size); |
|
ffio_wfourcc(pb, "free"); |
|
for (i = 0; i < size; i++) |
|
avio_w8(pb, 0); |
|
avio_seek(pb, moov_pos, SEEK_SET); |
|
} else { |
|
mov_write_moov_tag(pb, mov, s); |
|
} |
|
} else { |
|
mov_flush_fragment(s); |
|
mov_write_mfra_tag(pb, mov); |
|
} |
|
|
|
for (i = 0; i < mov->nb_streams; i++) { |
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT && |
|
mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) { |
|
int64_t off = avio_tell(pb); |
|
uint8_t buf[7]; |
|
if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) { |
|
avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET); |
|
avio_write(pb, buf, 7); |
|
avio_seek(pb, off, SEEK_SET); |
|
} |
|
} |
|
} |
|
|
|
error: |
|
mov_free(s); |
|
|
|
return res; |
|
} |
|
|
|
#if CONFIG_MOV_MUXER |
|
MOV_CLASS(mov) |
|
AVOutputFormat ff_mov_muxer = { |
|
.name = "mov", |
|
.long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"), |
|
.extensions = "mov", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = CONFIG_LIBX264_ENCODER ? |
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ |
|
ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0 |
|
}, |
|
.priv_class = &mov_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_TGP_MUXER |
|
MOV_CLASS(tgp) |
|
AVOutputFormat ff_tgp_muxer = { |
|
.name = "3gp", |
|
.long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"), |
|
.extensions = "3gp", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AMR_NB, |
|
.video_codec = AV_CODEC_ID_H263, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, |
|
.priv_class = &tgp_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_MP4_MUXER |
|
MOV_CLASS(mp4) |
|
AVOutputFormat ff_mp4_muxer = { |
|
.name = "mp4", |
|
.long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"), |
|
.mime_type = "application/mp4", |
|
.extensions = "mp4", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = CONFIG_LIBX264_ENCODER ? |
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
|
.priv_class = &mp4_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_PSP_MUXER |
|
MOV_CLASS(psp) |
|
AVOutputFormat ff_psp_muxer = { |
|
.name = "psp", |
|
.long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"), |
|
.extensions = "mp4,psp", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = CONFIG_LIBX264_ENCODER ? |
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
|
.priv_class = &psp_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_TG2_MUXER |
|
MOV_CLASS(tg2) |
|
AVOutputFormat ff_tg2_muxer = { |
|
.name = "3g2", |
|
.long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"), |
|
.extensions = "3g2", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AMR_NB, |
|
.video_codec = AV_CODEC_ID_H263, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, |
|
.priv_class = &tg2_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_IPOD_MUXER |
|
MOV_CLASS(ipod) |
|
AVOutputFormat ff_ipod_muxer = { |
|
.name = "ipod", |
|
.long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"), |
|
.mime_type = "application/mp4", |
|
.extensions = "m4v,m4a", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = AV_CODEC_ID_H264, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 }, |
|
.priv_class = &ipod_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_ISMV_MUXER |
|
MOV_CLASS(ismv) |
|
AVOutputFormat ff_ismv_muxer = { |
|
.name = "ismv", |
|
.long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"), |
|
.mime_type = "application/mp4", |
|
.extensions = "ismv,isma", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = AV_CODEC_ID_H264, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
|
.codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
|
.priv_class = &ismv_muxer_class, |
|
}; |
|
#endif |
|
#if CONFIG_F4V_MUXER |
|
MOV_CLASS(f4v) |
|
AVOutputFormat ff_f4v_muxer = { |
|
.name = "f4v", |
|
.long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"), |
|
.mime_type = "application/f4v", |
|
.extensions = "f4v", |
|
.priv_data_size = sizeof(MOVMuxContext), |
|
.audio_codec = AV_CODEC_ID_AAC, |
|
.video_codec = AV_CODEC_ID_H264, |
|
.write_header = mov_write_header, |
|
.write_packet = mov_write_packet, |
|
.write_trailer = mov_write_trailer, |
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, |
|
.codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 }, |
|
.priv_class = &f4v_muxer_class, |
|
}; |
|
#endif
|
|
|