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1372 lines
33 KiB
1372 lines
33 KiB
/* |
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* RAW muxer and demuxer |
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* Copyright (c) 2001 Fabrice Bellard |
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* Copyright (c) 2005 Alex Beregszaszi |
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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 "libavutil/crc.h" |
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#include "libavcodec/ac3_parser.h" |
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#include "libavcodec/get_bits.h" |
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#include "libavcodec/bytestream.h" |
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#include "avformat.h" |
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#include "raw.h" |
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#include "id3v2.h" |
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#include "id3v1.h" |
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|
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/* simple formats */ |
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|
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#if CONFIG_ROQ_MUXER |
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static int roq_write_header(struct AVFormatContext *s) |
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{ |
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static const uint8_t header[] = { |
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0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00 |
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}; |
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|
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put_buffer(s->pb, header, 8); |
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put_flush_packet(s->pb); |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_NULL_MUXER |
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static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt) |
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{ |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_MUXERS |
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static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt) |
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{ |
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put_buffer(s->pb, pkt->data, pkt->size); |
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put_flush_packet(s->pb); |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_DEMUXERS |
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/* raw input */ |
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static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap) |
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{ |
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AVStream *st; |
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enum CodecID id; |
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|
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st = av_new_stream(s, 0); |
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if (!st) |
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return AVERROR(ENOMEM); |
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|
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id = s->iformat->value; |
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if (id == CODEC_ID_RAWVIDEO) { |
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st->codec->codec_type = AVMEDIA_TYPE_VIDEO; |
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} else { |
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO; |
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} |
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st->codec->codec_id = id; |
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|
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switch(st->codec->codec_type) { |
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case AVMEDIA_TYPE_AUDIO: |
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st->codec->sample_rate = ap->sample_rate; |
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if(ap->channels) st->codec->channels = ap->channels; |
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else st->codec->channels = 1; |
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st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id); |
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assert(st->codec->bits_per_coded_sample > 0); |
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st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8; |
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av_set_pts_info(st, 64, 1, st->codec->sample_rate); |
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break; |
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case AVMEDIA_TYPE_VIDEO: |
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if(ap->time_base.num) |
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av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); |
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else |
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av_set_pts_info(st, 64, 1, 25); |
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st->codec->width = ap->width; |
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st->codec->height = ap->height; |
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st->codec->pix_fmt = ap->pix_fmt; |
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if(st->codec->pix_fmt == PIX_FMT_NONE) |
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st->codec->pix_fmt= PIX_FMT_YUV420P; |
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break; |
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default: |
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return -1; |
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} |
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return 0; |
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} |
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#define RAW_PACKET_SIZE 1024 |
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#define RAW_SAMPLES 1024 |
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static int raw_read_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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int ret, size, bps; |
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// AVStream *st = s->streams[0]; |
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size= RAW_SAMPLES*s->streams[0]->codec->block_align; |
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ret= av_get_packet(s->pb, pkt, size); |
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|
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pkt->stream_index = 0; |
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if (ret < 0) |
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return ret; |
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bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id); |
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assert(bps); // if false there IS a bug elsewhere (NOT in this function) |
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pkt->dts= |
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pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels); |
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return ret; |
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} |
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int ff_raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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int ret, size; |
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size = RAW_PACKET_SIZE; |
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if (av_new_packet(pkt, size) < 0) |
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return AVERROR(ENOMEM); |
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pkt->pos= url_ftell(s->pb); |
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pkt->stream_index = 0; |
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ret = get_partial_buffer(s->pb, pkt->data, size); |
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if (ret < 0) { |
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av_free_packet(pkt); |
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return ret; |
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} |
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pkt->size = ret; |
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return ret; |
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} |
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#endif |
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#if CONFIG_RAWVIDEO_DEMUXER |
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static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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int packet_size, ret, width, height; |
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AVStream *st = s->streams[0]; |
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|
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width = st->codec->width; |
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height = st->codec->height; |
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packet_size = avpicture_get_size(st->codec->pix_fmt, width, height); |
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if (packet_size < 0) |
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return -1; |
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ret= av_get_packet(s->pb, pkt, packet_size); |
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pkt->pts= |
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pkt->dts= pkt->pos / packet_size; |
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pkt->stream_index = 0; |
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if (ret < 0) |
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return ret; |
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return 0; |
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} |
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#endif |
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#if CONFIG_INGENIENT_DEMUXER |
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// http://www.artificis.hu/files/texts/ingenient.txt |
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static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt) |
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{ |
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int ret, size, w, h, unk1, unk2; |
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|
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if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G')) |
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return AVERROR(EIO); // FIXME |
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size = get_le32(s->pb); |
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w = get_le16(s->pb); |
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h = get_le16(s->pb); |
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url_fskip(s->pb, 8); // zero + size (padded?) |
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url_fskip(s->pb, 2); |
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unk1 = get_le16(s->pb); |
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unk2 = get_le16(s->pb); |
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url_fskip(s->pb, 22); // ASCII timestamp |
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av_log(s, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n", |
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size, w, h, unk1, unk2); |
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if (av_new_packet(pkt, size) < 0) |
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return AVERROR(ENOMEM); |
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pkt->pos = url_ftell(s->pb); |
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pkt->stream_index = 0; |
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ret = get_buffer(s->pb, pkt->data, size); |
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if (ret < 0) { |
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av_free_packet(pkt); |
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return ret; |
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} |
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pkt->size = ret; |
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return ret; |
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} |
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#endif |
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#if CONFIG_DEMUXERS |
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int pcm_read_seek(AVFormatContext *s, |
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int stream_index, int64_t timestamp, int flags) |
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{ |
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AVStream *st; |
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int block_align, byte_rate; |
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int64_t pos, ret; |
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st = s->streams[0]; |
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block_align = st->codec->block_align ? st->codec->block_align : |
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(av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3; |
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byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 : |
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block_align * st->codec->sample_rate; |
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|
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if (block_align <= 0 || byte_rate <= 0) |
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return -1; |
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if (timestamp < 0) timestamp = 0; |
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|
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/* compute the position by aligning it to block_align */ |
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pos = av_rescale_rnd(timestamp * byte_rate, |
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st->time_base.num, |
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st->time_base.den * (int64_t)block_align, |
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(flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP); |
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pos *= block_align; |
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/* recompute exact position */ |
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st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num); |
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if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0) |
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return ret; |
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return 0; |
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} |
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static int audio_read_header(AVFormatContext *s, |
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AVFormatParameters *ap) |
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{ |
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AVStream *st = av_new_stream(s, 0); |
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if (!st) |
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return AVERROR(ENOMEM); |
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO; |
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st->codec->codec_id = s->iformat->value; |
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st->need_parsing = AVSTREAM_PARSE_FULL; |
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/* the parameters will be extracted from the compressed bitstream */ |
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return 0; |
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} |
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/* MPEG-1/H.263 input */ |
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static int video_read_header(AVFormatContext *s, |
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AVFormatParameters *ap) |
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{ |
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AVStream *st; |
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|
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st = av_new_stream(s, 0); |
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if (!st) |
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return AVERROR(ENOMEM); |
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st->codec->codec_type = AVMEDIA_TYPE_VIDEO; |
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st->codec->codec_id = s->iformat->value; |
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st->need_parsing = AVSTREAM_PARSE_FULL; |
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|
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/* for MJPEG, specify frame rate */ |
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/* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/ |
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if (ap->time_base.num) { |
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st->codec->time_base= ap->time_base; |
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} else if ( st->codec->codec_id == CODEC_ID_MJPEG || |
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st->codec->codec_id == CODEC_ID_MPEG4 || |
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st->codec->codec_id == CODEC_ID_DIRAC || |
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st->codec->codec_id == CODEC_ID_DNXHD || |
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st->codec->codec_id == CODEC_ID_VC1 || |
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st->codec->codec_id == CODEC_ID_H264) { |
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st->codec->time_base= (AVRational){1,25}; |
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} |
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av_set_pts_info(st, 64, 1, 1200000); |
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return 0; |
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} |
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#endif |
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#if CONFIG_MPEGVIDEO_DEMUXER |
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#define SEQ_START_CODE 0x000001b3 |
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#define GOP_START_CODE 0x000001b8 |
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#define PICTURE_START_CODE 0x00000100 |
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#define SLICE_START_CODE 0x00000101 |
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#define PACK_START_CODE 0x000001ba |
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#define VIDEO_ID 0x000001e0 |
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#define AUDIO_ID 0x000001c0 |
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static int mpegvideo_probe(AVProbeData *p) |
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{ |
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uint32_t code= -1; |
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int pic=0, seq=0, slice=0, pspack=0, pes=0; |
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int i; |
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for(i=0; i<p->buf_size; i++){ |
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code = (code<<8) + p->buf[i]; |
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if ((code & 0xffffff00) == 0x100) { |
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switch(code){ |
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case SEQ_START_CODE: seq++; break; |
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case PICTURE_START_CODE: pic++; break; |
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case SLICE_START_CODE: slice++; break; |
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case PACK_START_CODE: pspack++; break; |
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} |
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if ((code & 0x1f0) == VIDEO_ID) pes++; |
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else if((code & 0x1e0) == AUDIO_ID) pes++; |
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} |
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} |
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if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes) |
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return pic>1 ? AVPROBE_SCORE_MAX/2+1 : AVPROBE_SCORE_MAX/4; // +1 for .mpg |
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return 0; |
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} |
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#endif |
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#if CONFIG_CAVSVIDEO_DEMUXER |
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#define CAVS_SEQ_START_CODE 0x000001b0 |
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#define CAVS_PIC_I_START_CODE 0x000001b3 |
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#define CAVS_UNDEF_START_CODE 0x000001b4 |
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#define CAVS_PIC_PB_START_CODE 0x000001b6 |
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#define CAVS_VIDEO_EDIT_CODE 0x000001b7 |
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#define CAVS_PROFILE_JIZHUN 0x20 |
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|
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static int cavsvideo_probe(AVProbeData *p) |
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{ |
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uint32_t code= -1; |
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int pic=0, seq=0, slice_pos = 0; |
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int i; |
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|
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for(i=0; i<p->buf_size; i++){ |
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code = (code<<8) + p->buf[i]; |
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if ((code & 0xffffff00) == 0x100) { |
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if(code < CAVS_SEQ_START_CODE) { |
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/* slices have to be consecutive */ |
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if(code < slice_pos) |
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return 0; |
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slice_pos = code; |
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} else { |
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slice_pos = 0; |
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} |
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if (code == CAVS_SEQ_START_CODE) { |
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seq++; |
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/* check for the only currently supported profile */ |
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if(p->buf[i+1] != CAVS_PROFILE_JIZHUN) |
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return 0; |
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} else if ((code == CAVS_PIC_I_START_CODE) || |
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(code == CAVS_PIC_PB_START_CODE)) { |
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pic++; |
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} else if ((code == CAVS_UNDEF_START_CODE) || |
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(code > CAVS_VIDEO_EDIT_CODE)) { |
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return 0; |
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} |
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} |
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} |
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if(seq && seq*9<=pic*10) |
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return AVPROBE_SCORE_MAX/2; |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_M4V_DEMUXER |
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#define VISUAL_OBJECT_START_CODE 0x000001b5 |
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#define VOP_START_CODE 0x000001b6 |
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|
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static int mpeg4video_probe(AVProbeData *probe_packet) |
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{ |
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uint32_t temp_buffer= -1; |
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int VO=0, VOL=0, VOP = 0, VISO = 0, res=0; |
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int i; |
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|
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for(i=0; i<probe_packet->buf_size; i++){ |
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temp_buffer = (temp_buffer<<8) + probe_packet->buf[i]; |
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if ((temp_buffer & 0xffffff00) != 0x100) |
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continue; |
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|
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if (temp_buffer == VOP_START_CODE) VOP++; |
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else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++; |
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else if (temp_buffer < 0x120) VO++; |
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else if (temp_buffer < 0x130) VOL++; |
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else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7) |
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&& !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++; |
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} |
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|
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if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0) |
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return AVPROBE_SCORE_MAX/2; |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_H264_DEMUXER |
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static int h264_probe(AVProbeData *p) |
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{ |
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uint32_t code= -1; |
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int sps=0, pps=0, idr=0, res=0, sli=0; |
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int i; |
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|
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for(i=0; i<p->buf_size; i++){ |
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code = (code<<8) + p->buf[i]; |
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if ((code & 0xffffff00) == 0x100) { |
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int ref_idc= (code>>5)&3; |
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int type = code & 0x1F; |
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static const int8_t ref_zero[32]={ |
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2, 0, 0, 0, 0,-1, 1,-1, |
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-1, 1, 1, 1, 1,-1, 2, 2, |
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2, 2, 2, 0, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2 |
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}; |
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|
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if(code & 0x80) //forbidden bit |
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return 0; |
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|
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if(ref_zero[type] == 1 && ref_idc) |
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return 0; |
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if(ref_zero[type] ==-1 && !ref_idc) |
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return 0; |
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if(ref_zero[type] == 2) |
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res++; |
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|
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switch(type){ |
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case 1: sli++; break; |
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case 5: idr++; break; |
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case 7: |
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if(p->buf[i+2]&0x0F) |
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return 0; |
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sps++; |
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break; |
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case 8: pps++; break; |
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} |
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} |
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} |
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if(sps && pps && (idr||sli>3) && res<(sps+pps+idr)) |
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return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg |
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return 0; |
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} |
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#endif |
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|
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#if CONFIG_H263_DEMUXER |
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static int h263_probe(AVProbeData *p) |
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{ |
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uint64_t code= -1; |
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int i; |
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int valid_psc=0; |
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int invalid_psc=0; |
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int res_change=0; |
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int src_fmt, last_src_fmt=-1; |
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int last_gn=0; |
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|
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for(i=0; i<p->buf_size; i++){ |
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code = (code<<8) + p->buf[i]; |
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if ((code & 0xfffffc0000) == 0x800000) { |
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src_fmt= (code>>2)&3; |
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if( src_fmt != last_src_fmt |
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&& last_src_fmt>0 && last_src_fmt<6 |
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&& src_fmt<6) |
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res_change++; |
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|
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if((code&0x300)==0x200 && src_fmt){ |
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valid_psc++; |
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last_gn=0; |
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}else |
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invalid_psc++; |
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last_src_fmt= src_fmt; |
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} else if((code & 0xffff800000) == 0x800000) { |
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int gn= (code>>(23-5)) & 0x1F; |
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if(gn<last_gn){ |
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invalid_psc++; |
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}else |
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last_gn= gn; |
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} |
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} |
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//av_log(NULL, AV_LOG_ERROR, "h263_probe: psc:%d invalid:%d res_change:%d\n", valid_psc, invalid_psc, res_change); |
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//h263_probe: psc:3 invalid:0 res_change:0 (1588/recent_ffmpeg_parses_mpg_incorrectly.mpg) |
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if(valid_psc > 2*invalid_psc + 2*res_change + 3){ |
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return 50; |
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}else if(valid_psc > 2*invalid_psc) |
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return 25; |
|
return 0; |
|
} |
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#endif |
|
|
|
#if CONFIG_H261_DEMUXER |
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static int h261_probe(AVProbeData *p) |
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{ |
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uint32_t code= -1; |
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int i; |
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int valid_psc=0; |
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int invalid_psc=0; |
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int next_gn=0; |
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int src_fmt=0; |
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GetBitContext gb; |
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|
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init_get_bits(&gb, p->buf, p->buf_size*8); |
|
|
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for(i=0; i<p->buf_size*8; i++){ |
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if ((code & 0x01ff0000) || !(code & 0xff00)) { |
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code = (code<<8) + get_bits(&gb, 8); |
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i += 7; |
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} else |
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code = (code<<1) + get_bits1(&gb); |
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if ((code & 0xffff0000) == 0x10000) { |
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int gn= (code>>12)&0xf; |
|
if(!gn) |
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src_fmt= code&8; |
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if(gn != next_gn) invalid_psc++; |
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else valid_psc++; |
|
|
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if(src_fmt){ // CIF |
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next_gn= (gn+1 )%13; |
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}else{ //QCIF |
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next_gn= (gn+1+!!gn)% 7; |
|
} |
|
} |
|
} |
|
if(valid_psc > 2*invalid_psc + 6){ |
|
return 50; |
|
}else if(valid_psc > 2*invalid_psc + 2) |
|
return 25; |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DTS_DEMUXER |
|
#define DCA_MARKER_14B_BE 0x1FFFE800 |
|
#define DCA_MARKER_14B_LE 0xFF1F00E8 |
|
#define DCA_MARKER_RAW_BE 0x7FFE8001 |
|
#define DCA_MARKER_RAW_LE 0xFE7F0180 |
|
static int dts_probe(AVProbeData *p) |
|
{ |
|
const uint8_t *buf, *bufp; |
|
uint32_t state = -1; |
|
int markers[3] = {0}; |
|
int sum, max; |
|
|
|
buf = p->buf; |
|
|
|
for(; buf < (p->buf+p->buf_size)-2; buf+=2) { |
|
bufp = buf; |
|
state = (state << 16) | bytestream_get_be16(&bufp); |
|
|
|
/* regular bitstream */ |
|
if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE) |
|
markers[0]++; |
|
|
|
/* 14 bits big-endian bitstream */ |
|
if (state == DCA_MARKER_14B_BE) |
|
if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0) |
|
markers[1]++; |
|
|
|
/* 14 bits little-endian bitstream */ |
|
if (state == DCA_MARKER_14B_LE) |
|
if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007) |
|
markers[2]++; |
|
} |
|
sum = markers[0] + markers[1] + markers[2]; |
|
max = markers[1] > markers[0]; |
|
max = markers[2] > markers[max] ? 2 : max; |
|
if (markers[max] > 3 && p->buf_size / markers[max] < 32*1024 && |
|
markers[max] * 4 > sum * 3) |
|
return AVPROBE_SCORE_MAX/2+1; |
|
|
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DIRAC_DEMUXER |
|
static int dirac_probe(AVProbeData *p) |
|
{ |
|
if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D')) |
|
return AVPROBE_SCORE_MAX; |
|
else |
|
return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_DNXHD_DEMUXER |
|
static int dnxhd_probe(AVProbeData *p) |
|
{ |
|
static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01}; |
|
int w, h, compression_id; |
|
if (p->buf_size < 0x2c) |
|
return 0; |
|
if (memcmp(p->buf, header, 5)) |
|
return 0; |
|
h = AV_RB16(p->buf + 0x18); |
|
w = AV_RB16(p->buf + 0x1a); |
|
if (!w || !h) |
|
return 0; |
|
compression_id = AV_RB32(p->buf + 0x28); |
|
if (compression_id < 1237 || compression_id > 1253) |
|
return 0; |
|
return AVPROBE_SCORE_MAX; |
|
} |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER |
|
static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id) |
|
{ |
|
int max_frames, first_frames = 0, frames; |
|
uint8_t *buf, *buf2, *end; |
|
AC3HeaderInfo hdr; |
|
GetBitContext gbc; |
|
enum CodecID codec_id = CODEC_ID_AC3; |
|
|
|
max_frames = 0; |
|
buf = p->buf; |
|
end = buf + p->buf_size; |
|
|
|
for(; buf < end; buf++) { |
|
buf2 = buf; |
|
|
|
for(frames = 0; buf2 < end; frames++) { |
|
init_get_bits(&gbc, buf2, 54); |
|
if(ff_ac3_parse_header(&gbc, &hdr) < 0) |
|
break; |
|
if(buf2 + hdr.frame_size > end || |
|
av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2)) |
|
break; |
|
if (hdr.bitstream_id > 10) |
|
codec_id = CODEC_ID_EAC3; |
|
buf2 += hdr.frame_size; |
|
} |
|
max_frames = FFMAX(max_frames, frames); |
|
if(buf == p->buf) |
|
first_frames = frames; |
|
} |
|
if(codec_id != expected_codec_id) return 0; |
|
// keep this in sync with mp3 probe, both need to avoid |
|
// issues with MPEG-files! |
|
if (first_frames>=4) return AVPROBE_SCORE_MAX/2+1; |
|
else if(max_frames>500)return AVPROBE_SCORE_MAX/2; |
|
else if(max_frames>=4) return AVPROBE_SCORE_MAX/4; |
|
else if(max_frames>=1) return 1; |
|
else return 0; |
|
} |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER |
|
static int ac3_probe(AVProbeData *p) |
|
{ |
|
return ac3_eac3_probe(p, CODEC_ID_AC3); |
|
} |
|
#endif |
|
|
|
#if CONFIG_EAC3_DEMUXER |
|
static int eac3_probe(AVProbeData *p) |
|
{ |
|
return ac3_eac3_probe(p, CODEC_ID_EAC3); |
|
} |
|
#endif |
|
|
|
#if CONFIG_AAC_DEMUXER |
|
static int adts_aac_probe(AVProbeData *p) |
|
{ |
|
int max_frames = 0, first_frames = 0; |
|
int fsize, frames; |
|
uint8_t *buf0 = p->buf; |
|
uint8_t *buf2; |
|
uint8_t *buf; |
|
uint8_t *end = buf0 + p->buf_size - 7; |
|
|
|
if (ff_id3v2_match(buf0, ID3v2_DEFAULT_MAGIC)) { |
|
buf0 += ff_id3v2_tag_len(buf0); |
|
} |
|
buf = buf0; |
|
|
|
for(; buf < end; buf= buf2+1) { |
|
buf2 = buf; |
|
|
|
for(frames = 0; buf2 < end; frames++) { |
|
uint32_t header = AV_RB16(buf2); |
|
if((header&0xFFF6) != 0xFFF0) |
|
break; |
|
fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF; |
|
if(fsize < 7) |
|
break; |
|
buf2 += fsize; |
|
} |
|
max_frames = FFMAX(max_frames, frames); |
|
if(buf == buf0) |
|
first_frames= frames; |
|
} |
|
if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1; |
|
else if(max_frames>500)return AVPROBE_SCORE_MAX/2; |
|
else if(max_frames>=3) return AVPROBE_SCORE_MAX/4; |
|
else if(max_frames>=1) return 1; |
|
else return 0; |
|
} |
|
|
|
static int adts_aac_read_header(AVFormatContext *s, |
|
AVFormatParameters *ap) |
|
{ |
|
AVStream *st; |
|
|
|
st = av_new_stream(s, 0); |
|
if (!st) |
|
return AVERROR(ENOMEM); |
|
|
|
st->codec->codec_type = AVMEDIA_TYPE_AUDIO; |
|
st->codec->codec_id = s->iformat->value; |
|
st->need_parsing = AVSTREAM_PARSE_FULL; |
|
|
|
ff_id3v1_read(s); |
|
ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC); |
|
|
|
return 0; |
|
} |
|
|
|
#endif |
|
|
|
/* Note: Do not forget to add new entries to the Makefile as well. */ |
|
|
|
#if CONFIG_AAC_DEMUXER |
|
AVInputFormat aac_demuxer = { |
|
"aac", |
|
NULL_IF_CONFIG_SMALL("raw ADTS AAC"), |
|
0, |
|
adts_aac_probe, |
|
adts_aac_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "aac", |
|
.value = CODEC_ID_AAC, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_AC3_DEMUXER |
|
AVInputFormat ac3_demuxer = { |
|
"ac3", |
|
NULL_IF_CONFIG_SMALL("raw AC-3"), |
|
0, |
|
ac3_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "ac3", |
|
.value = CODEC_ID_AC3, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_AC3_MUXER |
|
AVOutputFormat ac3_muxer = { |
|
"ac3", |
|
NULL_IF_CONFIG_SMALL("raw AC-3"), |
|
"audio/x-ac3", |
|
"ac3", |
|
0, |
|
CODEC_ID_AC3, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DIRAC_DEMUXER |
|
AVInputFormat dirac_demuxer = { |
|
"dirac", |
|
NULL_IF_CONFIG_SMALL("raw Dirac"), |
|
0, |
|
dirac_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_DIRAC, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DIRAC_MUXER |
|
AVOutputFormat dirac_muxer = { |
|
"dirac", |
|
NULL_IF_CONFIG_SMALL("raw Dirac"), |
|
NULL, |
|
"drc", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_DIRAC, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DNXHD_DEMUXER |
|
AVInputFormat dnxhd_demuxer = { |
|
"dnxhd", |
|
NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), |
|
0, |
|
dnxhd_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_DNXHD, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DNXHD_MUXER |
|
AVOutputFormat dnxhd_muxer = { |
|
"dnxhd", |
|
NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), |
|
NULL, |
|
"dnxhd", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_DNXHD, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DTS_DEMUXER |
|
AVInputFormat dts_demuxer = { |
|
"dts", |
|
NULL_IF_CONFIG_SMALL("raw DTS"), |
|
0, |
|
dts_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "dts", |
|
.value = CODEC_ID_DTS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_DTS_MUXER |
|
AVOutputFormat dts_muxer = { |
|
"dts", |
|
NULL_IF_CONFIG_SMALL("raw DTS"), |
|
"audio/x-dca", |
|
"dts", |
|
0, |
|
CODEC_ID_DTS, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_EAC3_DEMUXER |
|
AVInputFormat eac3_demuxer = { |
|
"eac3", |
|
NULL_IF_CONFIG_SMALL("raw E-AC-3"), |
|
0, |
|
eac3_probe, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "eac3", |
|
.value = CODEC_ID_EAC3, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_EAC3_MUXER |
|
AVOutputFormat eac3_muxer = { |
|
"eac3", |
|
NULL_IF_CONFIG_SMALL("raw E-AC-3"), |
|
"audio/x-eac3", |
|
"eac3", |
|
0, |
|
CODEC_ID_EAC3, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_GSM_DEMUXER |
|
AVInputFormat gsm_demuxer = { |
|
"gsm", |
|
NULL_IF_CONFIG_SMALL("raw GSM"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "gsm", |
|
.value = CODEC_ID_GSM, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H261_DEMUXER |
|
AVInputFormat h261_demuxer = { |
|
"h261", |
|
NULL_IF_CONFIG_SMALL("raw H.261"), |
|
0, |
|
h261_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "h261", |
|
.value = CODEC_ID_H261, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H261_MUXER |
|
AVOutputFormat h261_muxer = { |
|
"h261", |
|
NULL_IF_CONFIG_SMALL("raw H.261"), |
|
"video/x-h261", |
|
"h261", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H261, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H263_DEMUXER |
|
AVInputFormat h263_demuxer = { |
|
"h263", |
|
NULL_IF_CONFIG_SMALL("raw H.263"), |
|
0, |
|
h263_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
// .extensions = "h263", //FIXME remove after writing mpeg4_probe |
|
.value = CODEC_ID_H263, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H263_MUXER |
|
AVOutputFormat h263_muxer = { |
|
"h263", |
|
NULL_IF_CONFIG_SMALL("raw H.263"), |
|
"video/x-h263", |
|
"h263", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H263, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H264_DEMUXER |
|
AVInputFormat h264_demuxer = { |
|
"h264", |
|
NULL_IF_CONFIG_SMALL("raw H.264 video format"), |
|
0, |
|
h264_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe |
|
.value = CODEC_ID_H264, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_H264_MUXER |
|
AVOutputFormat h264_muxer = { |
|
"h264", |
|
NULL_IF_CONFIG_SMALL("raw H.264 video format"), |
|
NULL, |
|
"h264", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_H264, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_INGENIENT_DEMUXER |
|
AVInputFormat ingenient_demuxer = { |
|
"ingenient", |
|
NULL_IF_CONFIG_SMALL("raw Ingenient MJPEG"), |
|
0, |
|
NULL, |
|
video_read_header, |
|
ingenient_read_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "cgi", // FIXME |
|
.value = CODEC_ID_MJPEG, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_M4V_DEMUXER |
|
AVInputFormat m4v_demuxer = { |
|
"m4v", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"), |
|
0, |
|
mpeg4video_probe, /** probing for MPEG-4 data */ |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "m4v", |
|
.value = CODEC_ID_MPEG4, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_M4V_MUXER |
|
AVOutputFormat m4v_muxer = { |
|
"m4v", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"), |
|
NULL, |
|
"m4v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG4, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MJPEG_DEMUXER |
|
AVInputFormat mjpeg_demuxer = { |
|
"mjpeg", |
|
NULL_IF_CONFIG_SMALL("raw MJPEG video"), |
|
0, |
|
NULL, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "mjpg,mjpeg", |
|
.value = CODEC_ID_MJPEG, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MJPEG_MUXER |
|
AVOutputFormat mjpeg_muxer = { |
|
"mjpeg", |
|
NULL_IF_CONFIG_SMALL("raw MJPEG video"), |
|
"video/x-mjpeg", |
|
"mjpg,mjpeg", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MJPEG, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MLP_DEMUXER |
|
AVInputFormat mlp_demuxer = { |
|
"mlp", |
|
NULL_IF_CONFIG_SMALL("raw MLP"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "mlp", |
|
.value = CODEC_ID_MLP, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MLP_MUXER |
|
AVOutputFormat mlp_muxer = { |
|
"mlp", |
|
NULL_IF_CONFIG_SMALL("raw MLP"), |
|
NULL, |
|
"mlp", |
|
0, |
|
CODEC_ID_MLP, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_TRUEHD_DEMUXER |
|
AVInputFormat truehd_demuxer = { |
|
"truehd", |
|
NULL_IF_CONFIG_SMALL("raw TrueHD"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "thd", |
|
.value = CODEC_ID_TRUEHD, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_TRUEHD_MUXER |
|
AVOutputFormat truehd_muxer = { |
|
"truehd", |
|
NULL_IF_CONFIG_SMALL("raw TrueHD"), |
|
NULL, |
|
"thd", |
|
0, |
|
CODEC_ID_TRUEHD, |
|
CODEC_ID_NONE, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEG1VIDEO_MUXER |
|
AVOutputFormat mpeg1video_muxer = { |
|
"mpeg1video", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-1 video"), |
|
"video/x-mpeg", |
|
"mpg,mpeg,m1v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG1VIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEG2VIDEO_MUXER |
|
AVOutputFormat mpeg2video_muxer = { |
|
"mpeg2video", |
|
NULL_IF_CONFIG_SMALL("raw MPEG-2 video"), |
|
NULL, |
|
"m2v", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_MPEG2VIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_MPEGVIDEO_DEMUXER |
|
AVInputFormat mpegvideo_demuxer = { |
|
"mpegvideo", |
|
NULL_IF_CONFIG_SMALL("raw MPEG video"), |
|
0, |
|
mpegvideo_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_MPEG1VIDEO, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_CAVSVIDEO_DEMUXER |
|
AVInputFormat cavsvideo_demuxer = { |
|
"cavsvideo", |
|
NULL_IF_CONFIG_SMALL("raw Chinese AVS video"), |
|
0, |
|
cavsvideo_probe, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.value = CODEC_ID_CAVS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_NULL_MUXER |
|
AVOutputFormat null_muxer = { |
|
"null", |
|
NULL_IF_CONFIG_SMALL("raw null video format"), |
|
NULL, |
|
NULL, |
|
0, |
|
#if HAVE_BIGENDIAN |
|
CODEC_ID_PCM_S16BE, |
|
#else |
|
CODEC_ID_PCM_S16LE, |
|
#endif |
|
CODEC_ID_RAWVIDEO, |
|
NULL, |
|
null_write_packet, |
|
.flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_RAWVIDEO_DEMUXER |
|
AVInputFormat rawvideo_demuxer = { |
|
"rawvideo", |
|
NULL_IF_CONFIG_SMALL("raw video format"), |
|
0, |
|
NULL, |
|
raw_read_header, |
|
rawvideo_read_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "yuv,cif,qcif,rgb", |
|
.value = CODEC_ID_RAWVIDEO, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_RAWVIDEO_MUXER |
|
AVOutputFormat rawvideo_muxer = { |
|
"rawvideo", |
|
NULL_IF_CONFIG_SMALL("raw video format"), |
|
NULL, |
|
"yuv,rgb", |
|
0, |
|
CODEC_ID_NONE, |
|
CODEC_ID_RAWVIDEO, |
|
NULL, |
|
raw_write_packet, |
|
.flags= AVFMT_NOTIMESTAMPS, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_ROQ_MUXER |
|
AVOutputFormat roq_muxer = |
|
{ |
|
"RoQ", |
|
NULL_IF_CONFIG_SMALL("raw id RoQ format"), |
|
NULL, |
|
"roq", |
|
0, |
|
CODEC_ID_ROQ_DPCM, |
|
CODEC_ID_ROQ, |
|
roq_write_header, |
|
raw_write_packet, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_SHORTEN_DEMUXER |
|
AVInputFormat shorten_demuxer = { |
|
"shn", |
|
NULL_IF_CONFIG_SMALL("raw Shorten"), |
|
0, |
|
NULL, |
|
audio_read_header, |
|
ff_raw_read_partial_packet, |
|
.flags= AVFMT_GENERIC_INDEX, |
|
.extensions = "shn", |
|
.value = CODEC_ID_SHORTEN, |
|
}; |
|
#endif |
|
|
|
#if CONFIG_VC1_DEMUXER |
|
AVInputFormat vc1_demuxer = { |
|
"vc1", |
|
NULL_IF_CONFIG_SMALL("raw VC-1"), |
|
0, |
|
NULL /* vc1_probe */, |
|
video_read_header, |
|
ff_raw_read_partial_packet, |
|
.extensions = "vc1", |
|
.value = CODEC_ID_VC1, |
|
}; |
|
#endif |
|
|
|
/* PCM formats */ |
|
|
|
#define PCMINPUTDEF(name, long_name, ext, codec) \ |
|
AVInputFormat pcm_ ## name ## _demuxer = {\ |
|
#name,\ |
|
NULL_IF_CONFIG_SMALL(long_name),\ |
|
0,\ |
|
NULL,\ |
|
raw_read_header,\ |
|
raw_read_packet,\ |
|
NULL,\ |
|
pcm_read_seek,\ |
|
.flags= AVFMT_GENERIC_INDEX,\ |
|
.extensions = ext,\ |
|
.value = codec,\ |
|
}; |
|
|
|
#define PCMOUTPUTDEF(name, long_name, ext, codec) \ |
|
AVOutputFormat pcm_ ## name ## _muxer = {\ |
|
#name,\ |
|
NULL_IF_CONFIG_SMALL(long_name),\ |
|
NULL,\ |
|
ext,\ |
|
0,\ |
|
codec,\ |
|
CODEC_ID_NONE,\ |
|
NULL,\ |
|
raw_write_packet,\ |
|
.flags= AVFMT_NOTIMESTAMPS,\ |
|
}; |
|
|
|
|
|
#if !CONFIG_MUXERS && CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMINPUTDEF(name, long_name, ext, codec) |
|
#elif CONFIG_MUXERS && !CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMOUTPUTDEF(name, long_name, ext, codec) |
|
#elif CONFIG_MUXERS && CONFIG_DEMUXERS |
|
#define PCMDEF(name, long_name, ext, codec) \ |
|
PCMINPUTDEF(name, long_name, ext, codec)\ |
|
PCMOUTPUTDEF(name, long_name, ext, codec) |
|
#else |
|
#define PCMDEF(name, long_name, ext, codec) |
|
#endif |
|
|
|
#if HAVE_BIGENDIAN |
|
#define BE_DEF(s) s |
|
#define LE_DEF(s) NULL |
|
#else |
|
#define BE_DEF(s) NULL |
|
#define LE_DEF(s) s |
|
#endif |
|
|
|
PCMDEF(f64be, "PCM 64 bit floating-point big-endian format", |
|
NULL, CODEC_ID_PCM_F64BE) |
|
|
|
PCMDEF(f64le, "PCM 64 bit floating-point little-endian format", |
|
NULL, CODEC_ID_PCM_F64LE) |
|
|
|
PCMDEF(f32be, "PCM 32 bit floating-point big-endian format", |
|
NULL, CODEC_ID_PCM_F32BE) |
|
|
|
PCMDEF(f32le, "PCM 32 bit floating-point little-endian format", |
|
NULL, CODEC_ID_PCM_F32LE) |
|
|
|
PCMDEF(s32be, "PCM signed 32 bit big-endian format", |
|
NULL, CODEC_ID_PCM_S32BE) |
|
|
|
PCMDEF(s32le, "PCM signed 32 bit little-endian format", |
|
NULL, CODEC_ID_PCM_S32LE) |
|
|
|
PCMDEF(s24be, "PCM signed 24 bit big-endian format", |
|
NULL, CODEC_ID_PCM_S24BE) |
|
|
|
PCMDEF(s24le, "PCM signed 24 bit little-endian format", |
|
NULL, CODEC_ID_PCM_S24LE) |
|
|
|
PCMDEF(s16be, "PCM signed 16 bit big-endian format", |
|
BE_DEF("sw"), CODEC_ID_PCM_S16BE) |
|
|
|
PCMDEF(s16le, "PCM signed 16 bit little-endian format", |
|
LE_DEF("sw"), CODEC_ID_PCM_S16LE) |
|
|
|
PCMDEF(s8, "PCM signed 8 bit format", |
|
"sb", CODEC_ID_PCM_S8) |
|
|
|
PCMDEF(u32be, "PCM unsigned 32 bit big-endian format", |
|
NULL, CODEC_ID_PCM_U32BE) |
|
|
|
PCMDEF(u32le, "PCM unsigned 32 bit little-endian format", |
|
NULL, CODEC_ID_PCM_U32LE) |
|
|
|
PCMDEF(u24be, "PCM unsigned 24 bit big-endian format", |
|
NULL, CODEC_ID_PCM_U24BE) |
|
|
|
PCMDEF(u24le, "PCM unsigned 24 bit little-endian format", |
|
NULL, CODEC_ID_PCM_U24LE) |
|
|
|
PCMDEF(u16be, "PCM unsigned 16 bit big-endian format", |
|
BE_DEF("uw"), CODEC_ID_PCM_U16BE) |
|
|
|
PCMDEF(u16le, "PCM unsigned 16 bit little-endian format", |
|
LE_DEF("uw"), CODEC_ID_PCM_U16LE) |
|
|
|
PCMDEF(u8, "PCM unsigned 8 bit format", |
|
"ub", CODEC_ID_PCM_U8) |
|
|
|
PCMDEF(alaw, "PCM A-law format", |
|
"al", CODEC_ID_PCM_ALAW) |
|
|
|
PCMDEF(mulaw, "PCM mu-law format", |
|
"ul", CODEC_ID_PCM_MULAW)
|
|
|