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173 lines
6.8 KiB
173 lines
6.8 KiB
/* |
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* nut |
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* Copyright (c) 2004-2007 Michael Niedermayer |
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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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#include "libavutil/mathematics.h" |
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#include "libavutil/tree.h" |
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#include "nut.h" |
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#include "internal.h" |
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const AVCodecTag ff_nut_subtitle_tags[] = { |
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{ CODEC_ID_TEXT , MKTAG('U', 'T', 'F', '8') }, |
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{ CODEC_ID_SSA , MKTAG('S', 'S', 'A', 0 ) }, |
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{ CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') }, |
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{ CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') }, |
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{ CODEC_ID_NONE , 0 } |
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}; |
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const AVCodecTag ff_nut_video_tags[] = { |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 15 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 15 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(15 , 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(15 , 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 12 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 12 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(12 , 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(12 , 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 0 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 0 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG( 0 , 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG( 0 , 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 8 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 8 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 4 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 4 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(48 , 'B', 'G', 'R') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(48 , 'R', 'G', 'B') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('B', 'R', 'A', 64 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('R', 'B', 'A', 64 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(64 , 'B', 'R', 'A') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(64 , 'R', 'B', 'A') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 10 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 10 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(10 , 0 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0 , 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '1', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 16 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '3', 'Y') }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 8 ) }, |
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{ CODEC_ID_RAWVIDEO, MKTAG('Y', '2', 0 , 8 ) }, |
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{ CODEC_ID_NONE , 0 } |
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}; |
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void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){ |
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int i; |
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for(i=0; i<nut->avf->nb_streams; i++){ |
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nut->stream[i].last_pts= av_rescale_rnd( |
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val, |
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time_base.num * (int64_t)nut->stream[i].time_base->den, |
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time_base.den * (int64_t)nut->stream[i].time_base->num, |
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AV_ROUND_DOWN); |
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} |
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} |
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int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){ |
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int64_t mask = (1<<stream->msb_pts_shift)-1; |
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int64_t delta= stream->last_pts - mask/2; |
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return ((lsb - delta)&mask) + delta; |
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} |
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int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){ |
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return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32); |
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} |
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int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){ |
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return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32); |
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} |
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void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){ |
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Syncpoint *sp= av_mallocz(sizeof(Syncpoint)); |
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struct AVTreeNode *node= av_mallocz(av_tree_node_size); |
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sp->pos= pos; |
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sp->back_ptr= back_ptr; |
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sp->ts= ts; |
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av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node); |
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if(node){ |
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av_free(sp); |
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av_free(node); |
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} |
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} |
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static int enu_free(void *opaque, void *elem) |
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{ |
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av_free(elem); |
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return 0; |
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} |
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void ff_nut_free_sp(NUTContext *nut) |
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{ |
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av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free); |
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av_tree_destroy(nut->syncpoints); |
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} |
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const Dispositions ff_nut_dispositions[] = { |
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{"default" , AV_DISPOSITION_DEFAULT}, |
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{"dub" , AV_DISPOSITION_DUB}, |
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{"original" , AV_DISPOSITION_ORIGINAL}, |
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{"comment" , AV_DISPOSITION_COMMENT}, |
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{"lyrics" , AV_DISPOSITION_LYRICS}, |
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{"karaoke" , AV_DISPOSITION_KARAOKE}, |
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{"" , 0} |
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}; |
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const AVMetadataConv ff_nut_metadata_conv[] = { |
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{ "Author", "artist" }, |
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{ "X-CreationTime", "date" }, |
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{ "CreationTime", "date" }, |
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{ "SourceFilename", "filename" }, |
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{ "X-Language", "language" }, |
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{ "X-Disposition", "disposition" }, |
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{ "X-Replaces", "replaces" }, |
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{ "X-Depends", "depends" }, |
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{ "X-Uses", "uses" }, |
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{ "X-UsesFont", "usesfont" }, |
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{ 0 }, |
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};
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