diff options
Diffstat (limited to 'contrib/ffmpeg/libavformat/raw.c')
| -rw-r--r-- | contrib/ffmpeg/libavformat/raw.c | 901 |
1 files changed, 0 insertions, 901 deletions
diff --git a/contrib/ffmpeg/libavformat/raw.c b/contrib/ffmpeg/libavformat/raw.c deleted file mode 100644 index 73a20379a..000000000 --- a/contrib/ffmpeg/libavformat/raw.c +++ /dev/null @@ -1,901 +0,0 @@ -/* - * RAW muxer and demuxer - * Copyright (c) 2001 Fabrice Bellard. - * Copyright (c) 2005 Alex Beregszaszi - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "avformat.h" -#include "ac3.h" - -#ifdef CONFIG_MUXERS -/* simple formats */ -static int raw_write_header(struct AVFormatContext *s) -{ - return 0; -} - -static int flac_write_header(struct AVFormatContext *s) -{ - static const uint8_t header[8] = { - 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22 - }; - uint8_t *streaminfo = s->streams[0]->codec->extradata; - int len = s->streams[0]->codec->extradata_size; - if(streaminfo != NULL && len > 0) { - put_buffer(&s->pb, header, 8); - put_buffer(&s->pb, streaminfo, len); - } - return 0; -} - -static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt) -{ - put_buffer(&s->pb, pkt->data, pkt->size); - put_flush_packet(&s->pb); - return 0; -} - -static int raw_write_trailer(struct AVFormatContext *s) -{ - return 0; -} -#endif //CONFIG_MUXERS - -/* raw input */ -static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap) -{ - AVStream *st; - int id; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - id = s->iformat->value; - if (id == CODEC_ID_RAWVIDEO) { - st->codec->codec_type = CODEC_TYPE_VIDEO; - } else { - st->codec->codec_type = CODEC_TYPE_AUDIO; - } - st->codec->codec_id = id; - - switch(st->codec->codec_type) { - case CODEC_TYPE_AUDIO: - st->codec->sample_rate = ap->sample_rate; - st->codec->channels = ap->channels; - av_set_pts_info(st, 64, 1, st->codec->sample_rate); - break; - case CODEC_TYPE_VIDEO: - av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); - st->codec->width = ap->width; - st->codec->height = ap->height; - st->codec->pix_fmt = ap->pix_fmt; - if(st->codec->pix_fmt == PIX_FMT_NONE) - st->codec->pix_fmt= PIX_FMT_YUV420P; - break; - default: - return -1; - } - return 0; -} - -#define RAW_PACKET_SIZE 1024 - -static int raw_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - int ret, size; - // AVStream *st = s->streams[0]; - - size= RAW_PACKET_SIZE; - - ret= av_get_packet(&s->pb, pkt, size); - - pkt->stream_index = 0; - if (ret <= 0) { - return AVERROR_IO; - } - /* note: we need to modify the packet size here to handle the last - packet */ - pkt->size = ret; - return ret; -} - -static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt) -{ - int ret, size; - - size = RAW_PACKET_SIZE; - - if (av_new_packet(pkt, size) < 0) - return AVERROR_IO; - - pkt->pos= url_ftell(&s->pb); - pkt->stream_index = 0; - ret = get_partial_buffer(&s->pb, pkt->data, size); - if (ret <= 0) { - av_free_packet(pkt); - return AVERROR_IO; - } - pkt->size = ret; - return ret; -} - -// http://www.artificis.hu/files/texts/ingenient.txt -static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - int ret, size, w, h, unk1, unk2; - - if (get_le32(&s->pb) != MKTAG('M', 'J', 'P', 'G')) - return AVERROR_IO; // FIXME - - size = get_le32(&s->pb); - - w = get_le16(&s->pb); - h = get_le16(&s->pb); - - url_fskip(&s->pb, 8); // zero + size (padded?) - url_fskip(&s->pb, 2); - unk1 = get_le16(&s->pb); - unk2 = get_le16(&s->pb); - url_fskip(&s->pb, 22); // ascii timestamp - - av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n", - size, w, h, unk1, unk2); - - if (av_new_packet(pkt, size) < 0) - return AVERROR_IO; - - pkt->pos = url_ftell(&s->pb); - pkt->stream_index = 0; - ret = get_buffer(&s->pb, pkt->data, size); - if (ret <= 0) { - av_free_packet(pkt); - return AVERROR_IO; - } - pkt->size = ret; - return ret; -} - -static int raw_read_close(AVFormatContext *s) -{ - return 0; -} - -int pcm_read_seek(AVFormatContext *s, - int stream_index, int64_t timestamp, int flags) -{ - AVStream *st; - int block_align, byte_rate; - int64_t pos; - - st = s->streams[0]; - - block_align = st->codec->block_align ? st->codec->block_align : - (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3; - byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 : - block_align * st->codec->sample_rate; - - if (block_align <= 0 || byte_rate <= 0) - return -1; - - /* compute the position by aligning it to block_align */ - pos = av_rescale_rnd(timestamp * byte_rate, - st->time_base.num, - st->time_base.den * (int64_t)block_align, - (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP); - pos *= block_align; - - /* recompute exact position */ - st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num); - url_fseek(&s->pb, pos + s->data_offset, SEEK_SET); - return 0; -} - -/* ac3 read */ -static int ac3_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_AC3; - st->need_parsing = 1; - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -static int shorten_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_SHORTEN; - st->need_parsing = 1; - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -/* flac read */ -static int flac_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_FLAC; - st->need_parsing = 1; - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -/* dts read */ -static int dts_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_DTS; - st->need_parsing = 1; - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -/* aac read */ -static int aac_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - st->codec->codec_type = CODEC_TYPE_AUDIO; - st->codec->codec_id = CODEC_ID_AAC; - st->need_parsing = 1; - /* the parameters will be extracted from the compressed bitstream */ - return 0; -} - -/* mpeg1/h263 input */ -static int video_read_header(AVFormatContext *s, - AVFormatParameters *ap) -{ - AVStream *st; - - st = av_new_stream(s, 0); - if (!st) - return AVERROR_NOMEM; - - st->codec->codec_type = CODEC_TYPE_VIDEO; - st->codec->codec_id = s->iformat->value; - st->need_parsing = 1; - - /* for mjpeg, specify frame rate */ - /* for mpeg4 specify it too (most mpeg4 streams dont have the fixed_vop_rate set ...)*/ - if (ap->time_base.num) { - av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den); - } else if ( st->codec->codec_id == CODEC_ID_MJPEG || - st->codec->codec_id == CODEC_ID_MPEG4 || - st->codec->codec_id == CODEC_ID_H264) { - av_set_pts_info(st, 64, 1, 25); - } - - return 0; -} - -#define SEQ_START_CODE 0x000001b3 -#define GOP_START_CODE 0x000001b8 -#define PICTURE_START_CODE 0x00000100 -#define SLICE_START_CODE 0x00000101 -#define PACK_START_CODE 0x000001ba -#define VIDEO_ID 0x000001e0 -#define AUDIO_ID 0x000001c0 - -static int mpegvideo_probe(AVProbeData *p) -{ - uint32_t code= -1; - int pic=0, seq=0, slice=0, pspack=0, pes=0; - int i; - - for(i=0; i<p->buf_size; i++){ - code = (code<<8) + p->buf[i]; - if ((code & 0xffffff00) == 0x100) { - switch(code){ - case SEQ_START_CODE: seq++; break; - case PICTURE_START_CODE: pic++; break; - case SLICE_START_CODE: slice++; break; - case PACK_START_CODE: pspack++; break; - } - if ((code & 0x1f0) == VIDEO_ID) pes++; - else if((code & 0x1e0) == AUDIO_ID) pes++; - } - } - if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes) - return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg - return 0; -} - -#define VIDEO_OBJECT_START_CODE 0x00000100 -#define VIDEO_OBJECT_LAYER_START_CODE 0x00000120 -#define VISUAL_OBJECT_START_CODE 0x000001b5 -#define VOP_START_CODE 0x000001b6 - -static int mpeg4video_probe(AVProbeData *probe_packet) -{ - uint32_t temp_buffer= -1; - int VO=0, VOL=0, VOP = 0, VISO = 0; - int i; - - for(i=0; i<probe_packet->buf_size; i++){ - temp_buffer = (temp_buffer<<8) + probe_packet->buf[i]; - if ((temp_buffer & 0xffffff00) == 0x100) { - switch(temp_buffer){ - case VOP_START_CODE: VOP++; break; - case VISUAL_OBJECT_START_CODE: VISO++; break; - } - switch(temp_buffer & 0xfffffff0){ - case VIDEO_OBJECT_START_CODE: VO++; break; - case VIDEO_OBJECT_LAYER_START_CODE: VOL++; break; - } - } - } - - if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0) - return AVPROBE_SCORE_MAX/2; - return 0; -} - -static int h263_probe(AVProbeData *p) -{ - int code; - const uint8_t *d; - - if (p->buf_size < 6) - return 0; - d = p->buf; - code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2); - if (code == 0x20) { - return 50; - } - return 0; -} - -static int h261_probe(AVProbeData *p) -{ - int code; - const uint8_t *d; - - if (p->buf_size < 6) - return 0; - d = p->buf; - code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4); - if (code == 0x10) { - return 50; - } - return 0; -} - -static int ac3_probe(AVProbeData *p) -{ - int max_frames, first_frames, frames; - uint8_t *buf, *buf2, *end; - AC3HeaderInfo hdr; - - if(p->buf_size < 7) - return 0; - - max_frames = 0; - buf = p->buf; - end = buf + FFMIN(4096, p->buf_size - 7); - - for(; buf < end; buf++) { - buf2 = buf; - - for(frames = 0; buf2 < end; frames++) { - if(ff_ac3_parse_header(buf2, &hdr) < 0) - break; - buf2 += hdr.frame_size; - } - max_frames = FFMAX(max_frames, frames); - if(buf == p->buf) - first_frames = frames; - } - if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4; - else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2; - else if(max_frames>=1) return 1; - else return 0; -} - -AVInputFormat shorten_demuxer = { - "shn", - "raw shorten", - 0, - NULL, - shorten_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "shn", -}; - -AVInputFormat flac_demuxer = { - "flac", - "raw flac", - 0, - NULL, - flac_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "flac", -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat flac_muxer = { - "flac", - "raw flac", - "audio/x-flac", - "flac", - 0, - CODEC_ID_FLAC, - 0, - flac_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat ac3_demuxer = { - "ac3", - "raw ac3", - 0, - ac3_probe, - ac3_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "ac3", -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat ac3_muxer = { - "ac3", - "raw ac3", - "audio/x-ac3", - "ac3", - 0, - CODEC_ID_AC3, - 0, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat dts_demuxer = { - "dts", - "raw dts", - 0, - NULL, - dts_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "dts", -}; - -AVInputFormat aac_demuxer = { - "aac", - "ADTS AAC", - 0, - NULL, - aac_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "aac", -}; - -AVInputFormat h261_demuxer = { - "h261", - "raw h261", - 0, - h261_probe, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "h261", - .value = CODEC_ID_H261, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat h261_muxer = { - "h261", - "raw h261", - "video/x-h261", - "h261", - 0, - 0, - CODEC_ID_H261, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat h263_demuxer = { - "h263", - "raw h263", - 0, - h263_probe, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, -// .extensions = "h263", //FIXME remove after writing mpeg4_probe - .value = CODEC_ID_H263, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat h263_muxer = { - "h263", - "raw h263", - "video/x-h263", - "h263", - 0, - 0, - CODEC_ID_H263, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat m4v_demuxer = { - "m4v", - "raw MPEG4 video format", - 0, - mpeg4video_probe, /** probing for mpeg4 data */ - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "m4v", //FIXME remove after writing mpeg4_probe - .value = CODEC_ID_MPEG4, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat m4v_muxer = { - "m4v", - "raw MPEG4 video format", - NULL, - "m4v", - 0, - CODEC_ID_NONE, - CODEC_ID_MPEG4, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat h264_demuxer = { - "h264", - "raw H264 video format", - 0, - NULL /*mpegvideo_probe*/, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe - .value = CODEC_ID_H264, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat h264_muxer = { - "h264", - "raw H264 video format", - NULL, - "h264", - 0, - CODEC_ID_NONE, - CODEC_ID_H264, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat mpegvideo_demuxer = { - "mpegvideo", - "MPEG video", - 0, - mpegvideo_probe, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .value = CODEC_ID_MPEG1VIDEO, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat mpeg1video_muxer = { - "mpeg1video", - "MPEG video", - "video/x-mpeg", - "mpg,mpeg,m1v", - 0, - 0, - CODEC_ID_MPEG1VIDEO, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -#ifdef CONFIG_MUXERS -AVOutputFormat mpeg2video_muxer = { - "mpeg2video", - "MPEG2 video", - NULL, - "m2v", - 0, - 0, - CODEC_ID_MPEG2VIDEO, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat mjpeg_demuxer = { - "mjpeg", - "MJPEG video", - 0, - NULL, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "mjpg,mjpeg", - .value = CODEC_ID_MJPEG, -}; - -AVInputFormat ingenient_demuxer = { - "ingenient", - "Ingenient MJPEG", - 0, - NULL, - video_read_header, - ingenient_read_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "cgi", // FIXME - .value = CODEC_ID_MJPEG, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat mjpeg_muxer = { - "mjpeg", - "MJPEG video", - "video/x-mjpeg", - "mjpg,mjpeg", - 0, - 0, - CODEC_ID_MJPEG, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -AVInputFormat vc1_demuxer = { - "vc1", - "raw vc1", - 0, - NULL /* vc1_probe */, - video_read_header, - raw_read_partial_packet, - raw_read_close, - .extensions = "vc1", - .value = CODEC_ID_VC1, -}; - -/* pcm formats */ - -#define PCMINPUTDEF(name, long_name, ext, codec) \ -AVInputFormat pcm_ ## name ## _demuxer = {\ - #name,\ - long_name,\ - 0,\ - NULL,\ - raw_read_header,\ - raw_read_packet,\ - raw_read_close,\ - pcm_read_seek,\ - .flags= AVFMT_GENERIC_INDEX,\ - .extensions = ext,\ - .value = codec,\ -}; - -#define PCMOUTPUTDEF(name, long_name, ext, codec) \ -AVOutputFormat pcm_ ## name ## _muxer = {\ - #name,\ - long_name,\ - NULL,\ - ext,\ - 0,\ - codec,\ - 0,\ - raw_write_header,\ - raw_write_packet,\ - raw_write_trailer,\ - .flags= AVFMT_NOTIMESTAMPS,\ -}; - - -#if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS) -#define PCMDEF(name, long_name, ext, codec) \ - PCMINPUTDEF(name, long_name, ext, codec) -#elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS) -#define PCMDEF(name, long_name, ext, codec) \ - PCMOUTPUTDEF(name, long_name, ext, codec) -#elif defined(CONFIG_MUXERS) && defined(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 - -#ifdef WORDS_BIGENDIAN -#define BE_DEF(s) s -#define LE_DEF(s) NULL -#else -#define BE_DEF(s) NULL -#define LE_DEF(s) s -#endif - - -PCMDEF(s16le, "pcm signed 16 bit little endian format", - LE_DEF("sw"), CODEC_ID_PCM_S16LE) - -PCMDEF(s16be, "pcm signed 16 bit big endian format", - BE_DEF("sw"), CODEC_ID_PCM_S16BE) - -PCMDEF(u16le, "pcm unsigned 16 bit little endian format", - LE_DEF("uw"), CODEC_ID_PCM_U16LE) - -PCMDEF(u16be, "pcm unsigned 16 bit big endian format", - BE_DEF("uw"), CODEC_ID_PCM_U16BE) - -PCMDEF(s8, "pcm signed 8 bit format", - "sb", CODEC_ID_PCM_S8) - -PCMDEF(u8, "pcm unsigned 8 bit format", - "ub", CODEC_ID_PCM_U8) - -PCMDEF(mulaw, "pcm mu law format", - "ul", CODEC_ID_PCM_MULAW) - -PCMDEF(alaw, "pcm A law format", - "al", CODEC_ID_PCM_ALAW) - -static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - int packet_size, ret, width, height; - AVStream *st = s->streams[0]; - - width = st->codec->width; - height = st->codec->height; - - packet_size = avpicture_get_size(st->codec->pix_fmt, width, height); - if (packet_size < 0) - return -1; - - ret= av_get_packet(&s->pb, pkt, packet_size); - - pkt->stream_index = 0; - if (ret != packet_size) { - return AVERROR_IO; - } else { - return 0; - } -} - -AVInputFormat rawvideo_demuxer = { - "rawvideo", - "raw video format", - 0, - NULL, - raw_read_header, - rawvideo_read_packet, - raw_read_close, - .flags= AVFMT_GENERIC_INDEX, - .extensions = "yuv,cif,qcif", - .value = CODEC_ID_RAWVIDEO, -}; - -#ifdef CONFIG_MUXERS -AVOutputFormat rawvideo_muxer = { - "rawvideo", - "raw video format", - NULL, - "yuv", - 0, - CODEC_ID_NONE, - CODEC_ID_RAWVIDEO, - raw_write_header, - raw_write_packet, - raw_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS - -#ifdef CONFIG_MUXERS -static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt) -{ - return 0; -} - -AVOutputFormat null_muxer = { - "null", - "null video format", - NULL, - NULL, - 0, -#ifdef WORDS_BIGENDIAN - CODEC_ID_PCM_S16BE, -#else - CODEC_ID_PCM_S16LE, -#endif - CODEC_ID_RAWVIDEO, - raw_write_header, - null_write_packet, - raw_write_trailer, - .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS, -}; -#endif //CONFIG_MUXERS |