2 * RAW muxer and demuxer
3 * Copyright (c) 2001 Fabrice Bellard
4 * Copyright (c) 2005 Alex Beregszaszi
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavutil/crc.h"
24 #include "libavcodec/ac3_parser.h"
25 #include "libavcodec/bitstream.h"
26 #include "libavcodec/bytestream.h"
33 static int flac_write_header(struct AVFormatContext *s)
35 static const uint8_t header[8] = {
36 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
38 uint8_t *streaminfo = s->streams[0]->codec->extradata;
39 int len = s->streams[0]->codec->extradata_size;
40 if(streaminfo != NULL && len > 0) {
41 put_buffer(s->pb, header, 8);
42 put_buffer(s->pb, streaminfo, len);
47 static int flac_write_trailer(struct AVFormatContext *s)
49 ByteIOContext *pb = s->pb;
50 uint8_t *streaminfo = s->streams[0]->codec->extradata;
51 int len = s->streams[0]->codec->extradata_size;
54 if (streaminfo && len > 0 && !url_is_streamed(s->pb)) {
55 file_size = url_ftell(pb);
56 url_fseek(pb, 8, SEEK_SET);
57 put_buffer(pb, streaminfo, len);
58 url_fseek(pb, file_size, SEEK_SET);
66 static int roq_write_header(struct AVFormatContext *s)
68 static const uint8_t header[] = {
69 0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
72 put_buffer(s->pb, header, 8);
73 put_flush_packet(s->pb);
80 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
87 static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
89 put_buffer(s->pb, pkt->data, pkt->size);
90 put_flush_packet(s->pb);
97 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
102 st = av_new_stream(s, 0);
104 return AVERROR(ENOMEM);
106 id = s->iformat->value;
107 if (id == CODEC_ID_RAWVIDEO) {
108 st->codec->codec_type = CODEC_TYPE_VIDEO;
110 st->codec->codec_type = CODEC_TYPE_AUDIO;
112 st->codec->codec_id = id;
114 switch(st->codec->codec_type) {
115 case CODEC_TYPE_AUDIO:
116 st->codec->sample_rate = ap->sample_rate;
117 if(ap->channels) st->codec->channels = ap->channels;
118 else st->codec->channels = 1;
119 av_set_pts_info(st, 64, 1, st->codec->sample_rate);
121 case CODEC_TYPE_VIDEO:
122 if(ap->time_base.num)
123 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
125 av_set_pts_info(st, 64, 1, 25);
126 st->codec->width = ap->width;
127 st->codec->height = ap->height;
128 st->codec->pix_fmt = ap->pix_fmt;
129 if(st->codec->pix_fmt == PIX_FMT_NONE)
130 st->codec->pix_fmt= PIX_FMT_YUV420P;
138 #define RAW_PACKET_SIZE 1024
140 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
143 // AVStream *st = s->streams[0];
145 size= RAW_PACKET_SIZE;
147 ret= av_get_packet(s->pb, pkt, size);
149 pkt->stream_index = 0;
153 /* note: we need to modify the packet size here to handle the last
157 bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
158 assert(bps); // if false there IS a bug elsewhere (NOT in this function)
160 pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
165 static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
169 size = RAW_PACKET_SIZE;
171 if (av_new_packet(pkt, size) < 0)
174 pkt->pos= url_ftell(s->pb);
175 pkt->stream_index = 0;
176 ret = get_partial_buffer(s->pb, pkt->data, size);
186 #if CONFIG_RAWVIDEO_DEMUXER
187 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
189 int packet_size, ret, width, height;
190 AVStream *st = s->streams[0];
192 width = st->codec->width;
193 height = st->codec->height;
195 packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
199 ret= av_get_packet(s->pb, pkt, packet_size);
201 pkt->dts= pkt->pos / packet_size;
203 pkt->stream_index = 0;
204 if (ret != packet_size) {
212 #if CONFIG_INGENIENT_DEMUXER
213 // http://www.artificis.hu/files/texts/ingenient.txt
214 static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
216 int ret, size, w, h, unk1, unk2;
218 if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
219 return AVERROR(EIO); // FIXME
221 size = get_le32(s->pb);
226 url_fskip(s->pb, 8); // zero + size (padded?)
228 unk1 = get_le16(s->pb);
229 unk2 = get_le16(s->pb);
230 url_fskip(s->pb, 22); // ASCII timestamp
232 av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
233 size, w, h, unk1, unk2);
235 if (av_new_packet(pkt, size) < 0)
238 pkt->pos = url_ftell(s->pb);
239 pkt->stream_index = 0;
240 ret = get_buffer(s->pb, pkt->data, size);
251 int pcm_read_seek(AVFormatContext *s,
252 int stream_index, int64_t timestamp, int flags)
255 int block_align, byte_rate, ret;
260 block_align = st->codec->block_align ? st->codec->block_align :
261 (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
262 byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
263 block_align * st->codec->sample_rate;
265 if (block_align <= 0 || byte_rate <= 0)
268 /* compute the position by aligning it to block_align */
269 pos = av_rescale_rnd(timestamp * byte_rate,
271 st->time_base.den * (int64_t)block_align,
272 (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
275 /* recompute exact position */
276 st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
277 if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0)
282 static int audio_read_header(AVFormatContext *s,
283 AVFormatParameters *ap)
285 AVStream *st = av_new_stream(s, 0);
287 return AVERROR(ENOMEM);
288 st->codec->codec_type = CODEC_TYPE_AUDIO;
289 st->codec->codec_id = s->iformat->value;
290 st->need_parsing = AVSTREAM_PARSE_FULL;
291 /* the parameters will be extracted from the compressed bitstream */
293 if(st->codec->codec_id == CODEC_ID_FLAC) {
294 /* skip ID3v2 header if found */
295 uint8_t buf[ID3v2_HEADER_SIZE];
296 int ret = get_buffer(s->pb, buf, ID3v2_HEADER_SIZE);
297 if (ret == ID3v2_HEADER_SIZE && ff_id3v2_match(buf)) {
298 int len = ff_id3v2_tag_len(buf);
299 url_fseek(s->pb, len - ID3v2_HEADER_SIZE, SEEK_CUR);
301 url_fseek(s->pb, 0, SEEK_SET);
307 /* MPEG-1/H.263 input */
308 static int video_read_header(AVFormatContext *s,
309 AVFormatParameters *ap)
313 st = av_new_stream(s, 0);
315 return AVERROR(ENOMEM);
317 st->codec->codec_type = CODEC_TYPE_VIDEO;
318 st->codec->codec_id = s->iformat->value;
319 st->need_parsing = AVSTREAM_PARSE_FULL;
321 /* for MJPEG, specify frame rate */
322 /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
323 if (ap->time_base.num) {
324 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
325 } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
326 st->codec->codec_id == CODEC_ID_MPEG4 ||
327 st->codec->codec_id == CODEC_ID_DIRAC ||
328 st->codec->codec_id == CODEC_ID_H264) {
329 av_set_pts_info(st, 64, 1, 25);
336 #if CONFIG_MPEGVIDEO_DEMUXER
337 #define SEQ_START_CODE 0x000001b3
338 #define GOP_START_CODE 0x000001b8
339 #define PICTURE_START_CODE 0x00000100
340 #define SLICE_START_CODE 0x00000101
341 #define PACK_START_CODE 0x000001ba
342 #define VIDEO_ID 0x000001e0
343 #define AUDIO_ID 0x000001c0
345 static int mpegvideo_probe(AVProbeData *p)
348 int pic=0, seq=0, slice=0, pspack=0, pes=0;
351 for(i=0; i<p->buf_size; i++){
352 code = (code<<8) + p->buf[i];
353 if ((code & 0xffffff00) == 0x100) {
355 case SEQ_START_CODE: seq++; break;
356 case PICTURE_START_CODE: pic++; break;
357 case SLICE_START_CODE: slice++; break;
358 case PACK_START_CODE: pspack++; break;
360 if ((code & 0x1f0) == VIDEO_ID) pes++;
361 else if((code & 0x1e0) == AUDIO_ID) pes++;
364 if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
365 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
370 #if CONFIG_M4V_DEMUXER
371 #define VISUAL_OBJECT_START_CODE 0x000001b5
372 #define VOP_START_CODE 0x000001b6
374 static int mpeg4video_probe(AVProbeData *probe_packet)
376 uint32_t temp_buffer= -1;
377 int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
380 for(i=0; i<probe_packet->buf_size; i++){
381 temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
382 if ((temp_buffer & 0xffffff00) != 0x100)
385 if (temp_buffer == VOP_START_CODE) VOP++;
386 else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
387 else if (temp_buffer < 0x120) VO++;
388 else if (temp_buffer < 0x130) VOL++;
389 else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
390 && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
393 if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
394 return AVPROBE_SCORE_MAX/2;
399 #if CONFIG_H264_DEMUXER
400 static int h264_probe(AVProbeData *p)
403 int sps=0, pps=0, idr=0, res=0, sli=0;
406 for(i=0; i<p->buf_size; i++){
407 code = (code<<8) + p->buf[i];
408 if ((code & 0xffffff00) == 0x100) {
409 int ref_idc= (code>>5)&3;
410 int type = code & 0x1F;
411 static const int8_t ref_zero[32]={
412 2, 0, 0, 0, 0,-1, 1,-1,
413 -1, 1, 1, 1, 1,-1, 2, 2,
414 2, 2, 2, 0, 2, 2, 2, 2,
415 2, 2, 2, 2, 2, 2, 2, 2
418 if(code & 0x80) //forbidden bit
421 if(ref_zero[type] == 1 && ref_idc)
423 if(ref_zero[type] ==-1 && !ref_idc)
425 if(ref_zero[type] == 2)
429 case 1: sli++; break;
430 case 5: idr++; break;
436 case 8: pps++; break;
440 if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
441 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
446 #if CONFIG_H263_DEMUXER
447 static int h263_probe(AVProbeData *p)
453 code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
461 #if CONFIG_H261_DEMUXER
462 static int h261_probe(AVProbeData *p)
468 code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
476 #if CONFIG_DTS_DEMUXER
477 #define DCA_MARKER_14B_BE 0x1FFFE800
478 #define DCA_MARKER_14B_LE 0xFF1F00E8
479 #define DCA_MARKER_RAW_BE 0x7FFE8001
480 #define DCA_MARKER_RAW_LE 0xFE7F0180
481 static int dts_probe(AVProbeData *p)
483 const uint8_t *buf, *bufp;
488 for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
490 state = (state << 16) | bytestream_get_be16(&bufp);
492 /* regular bitstream */
493 if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
494 return AVPROBE_SCORE_MAX/2+1;
496 /* 14 bits big-endian bitstream */
497 if (state == DCA_MARKER_14B_BE)
498 if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
499 return AVPROBE_SCORE_MAX/2+1;
501 /* 14 bits little-endian bitstream */
502 if (state == DCA_MARKER_14B_LE)
503 if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
504 return AVPROBE_SCORE_MAX/2+1;
511 #if CONFIG_DIRAC_DEMUXER
512 static int dirac_probe(AVProbeData *p)
514 if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
515 return AVPROBE_SCORE_MAX;
521 #if CONFIG_DNXHD_DEMUXER
522 static int dnxhd_probe(AVProbeData *p)
524 static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
525 if (!memcmp(p->buf, header, 5))
526 return AVPROBE_SCORE_MAX;
532 #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
533 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
535 int max_frames, first_frames = 0, frames;
536 uint8_t *buf, *buf2, *end;
539 enum CodecID codec_id = CODEC_ID_AC3;
543 end = buf + p->buf_size;
545 for(; buf < end; buf++) {
548 for(frames = 0; buf2 < end; frames++) {
549 init_get_bits(&gbc, buf2, 54);
550 if(ff_ac3_parse_header(&gbc, &hdr) < 0)
552 if(buf2 + hdr.frame_size > end ||
553 av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
555 if (hdr.bitstream_id > 10)
556 codec_id = CODEC_ID_EAC3;
557 buf2 += hdr.frame_size;
559 max_frames = FFMAX(max_frames, frames);
561 first_frames = frames;
563 if(codec_id != expected_codec_id) return 0;
564 if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
565 else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
566 else if(max_frames>=1) return 1;
571 #if CONFIG_AC3_DEMUXER
572 static int ac3_probe(AVProbeData *p)
574 return ac3_eac3_probe(p, CODEC_ID_AC3);
578 #if CONFIG_EAC3_DEMUXER
579 static int eac3_probe(AVProbeData *p)
581 return ac3_eac3_probe(p, CODEC_ID_EAC3);
585 #if CONFIG_FLAC_DEMUXER
586 static int flac_probe(AVProbeData *p)
588 uint8_t *bufptr = p->buf;
589 uint8_t *end = p->buf + p->buf_size;
591 if(ff_id3v2_match(bufptr))
592 bufptr += ff_id3v2_tag_len(bufptr);
594 if(bufptr > end-4 || memcmp(bufptr, "fLaC", 4)) return 0;
595 else return AVPROBE_SCORE_MAX/2;
599 #if CONFIG_AAC_DEMUXER
600 static int adts_aac_probe(AVProbeData *p)
602 int max_frames = 0, first_frames = 0;
604 uint8_t *buf0 = p->buf;
607 uint8_t *end = buf0 + p->buf_size - 7;
609 if (ff_id3v2_match(buf0)) {
610 buf0 += ff_id3v2_tag_len(buf0);
614 for(; buf < end; buf= buf2+1) {
617 for(frames = 0; buf2 < end; frames++) {
618 uint32_t header = AV_RB16(buf2);
619 if((header&0xFFF6) != 0xFFF0)
621 fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
626 max_frames = FFMAX(max_frames, frames);
628 first_frames= frames;
630 if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
631 else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
632 else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
633 else if(max_frames>=1) return 1;
638 /* Note: Do not forget to add new entries to the Makefile as well. */
640 #if CONFIG_AAC_DEMUXER
641 AVInputFormat aac_demuxer = {
643 NULL_IF_CONFIG_SMALL("ADTS AAC"),
647 raw_read_partial_packet,
648 .flags= AVFMT_GENERIC_INDEX,
650 .value = CODEC_ID_AAC,
654 #if CONFIG_AC3_DEMUXER
655 AVInputFormat ac3_demuxer = {
657 NULL_IF_CONFIG_SMALL("raw AC-3"),
661 raw_read_partial_packet,
662 .flags= AVFMT_GENERIC_INDEX,
664 .value = CODEC_ID_AC3,
669 AVOutputFormat ac3_muxer = {
671 NULL_IF_CONFIG_SMALL("raw AC-3"),
679 .flags= AVFMT_NOTIMESTAMPS,
683 #if CONFIG_DIRAC_DEMUXER
684 AVInputFormat dirac_demuxer = {
686 NULL_IF_CONFIG_SMALL("raw Dirac"),
690 raw_read_partial_packet,
691 .flags= AVFMT_GENERIC_INDEX,
692 .value = CODEC_ID_DIRAC,
696 #if CONFIG_DIRAC_MUXER
697 AVOutputFormat dirac_muxer = {
699 NULL_IF_CONFIG_SMALL("raw Dirac"),
707 .flags= AVFMT_NOTIMESTAMPS,
711 #if CONFIG_DNXHD_DEMUXER
712 AVInputFormat dnxhd_demuxer = {
714 NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
718 raw_read_partial_packet,
719 .flags= AVFMT_GENERIC_INDEX,
720 .value = CODEC_ID_DNXHD,
724 #if CONFIG_DNXHD_MUXER
725 AVOutputFormat dnxhd_muxer = {
727 NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
735 .flags= AVFMT_NOTIMESTAMPS,
739 #if CONFIG_DTS_DEMUXER
740 AVInputFormat dts_demuxer = {
742 NULL_IF_CONFIG_SMALL("raw DTS"),
746 raw_read_partial_packet,
747 .flags= AVFMT_GENERIC_INDEX,
749 .value = CODEC_ID_DTS,
754 AVOutputFormat dts_muxer = {
756 NULL_IF_CONFIG_SMALL("raw DTS"),
764 .flags= AVFMT_NOTIMESTAMPS,
768 #if CONFIG_EAC3_DEMUXER
769 AVInputFormat eac3_demuxer = {
771 NULL_IF_CONFIG_SMALL("raw E-AC-3"),
775 raw_read_partial_packet,
776 .flags= AVFMT_GENERIC_INDEX,
777 .extensions = "eac3",
778 .value = CODEC_ID_EAC3,
782 #if CONFIG_EAC3_MUXER
783 AVOutputFormat eac3_muxer = {
785 NULL_IF_CONFIG_SMALL("raw E-AC-3"),
793 .flags= AVFMT_NOTIMESTAMPS,
797 #if CONFIG_FLAC_DEMUXER
798 AVInputFormat flac_demuxer = {
800 NULL_IF_CONFIG_SMALL("raw FLAC"),
804 raw_read_partial_packet,
805 .flags= AVFMT_GENERIC_INDEX,
806 .extensions = "flac",
807 .value = CODEC_ID_FLAC,
811 #if CONFIG_FLAC_MUXER
812 AVOutputFormat flac_muxer = {
814 NULL_IF_CONFIG_SMALL("raw FLAC"),
823 .flags= AVFMT_NOTIMESTAMPS,
827 #if CONFIG_GSM_DEMUXER
828 AVInputFormat gsm_demuxer = {
830 NULL_IF_CONFIG_SMALL("GSM"),
834 raw_read_partial_packet,
835 .flags= AVFMT_GENERIC_INDEX,
837 .value = CODEC_ID_GSM,
841 #if CONFIG_H261_DEMUXER
842 AVInputFormat h261_demuxer = {
844 NULL_IF_CONFIG_SMALL("raw H.261"),
848 raw_read_partial_packet,
849 .flags= AVFMT_GENERIC_INDEX,
850 .extensions = "h261",
851 .value = CODEC_ID_H261,
855 #if CONFIG_H261_MUXER
856 AVOutputFormat h261_muxer = {
858 NULL_IF_CONFIG_SMALL("raw H.261"),
866 .flags= AVFMT_NOTIMESTAMPS,
870 #if CONFIG_H263_DEMUXER
871 AVInputFormat h263_demuxer = {
873 NULL_IF_CONFIG_SMALL("raw H.263"),
877 raw_read_partial_packet,
878 .flags= AVFMT_GENERIC_INDEX,
879 // .extensions = "h263", //FIXME remove after writing mpeg4_probe
880 .value = CODEC_ID_H263,
884 #if CONFIG_H263_MUXER
885 AVOutputFormat h263_muxer = {
887 NULL_IF_CONFIG_SMALL("raw H.263"),
895 .flags= AVFMT_NOTIMESTAMPS,
899 #if CONFIG_H264_DEMUXER
900 AVInputFormat h264_demuxer = {
902 NULL_IF_CONFIG_SMALL("raw H.264 video format"),
906 raw_read_partial_packet,
907 .flags= AVFMT_GENERIC_INDEX,
908 .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
909 .value = CODEC_ID_H264,
913 #if CONFIG_H264_MUXER
914 AVOutputFormat h264_muxer = {
916 NULL_IF_CONFIG_SMALL("raw H.264 video format"),
924 .flags= AVFMT_NOTIMESTAMPS,
928 #if CONFIG_INGENIENT_DEMUXER
929 AVInputFormat ingenient_demuxer = {
931 NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
935 ingenient_read_packet,
936 .flags= AVFMT_GENERIC_INDEX,
937 .extensions = "cgi", // FIXME
938 .value = CODEC_ID_MJPEG,
942 #if CONFIG_M4V_DEMUXER
943 AVInputFormat m4v_demuxer = {
945 NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
947 mpeg4video_probe, /** probing for MPEG-4 data */
949 raw_read_partial_packet,
950 .flags= AVFMT_GENERIC_INDEX,
952 .value = CODEC_ID_MPEG4,
957 AVOutputFormat m4v_muxer = {
959 NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
967 .flags= AVFMT_NOTIMESTAMPS,
971 #if CONFIG_MJPEG_DEMUXER
972 AVInputFormat mjpeg_demuxer = {
974 NULL_IF_CONFIG_SMALL("MJPEG video"),
978 raw_read_partial_packet,
979 .flags= AVFMT_GENERIC_INDEX,
980 .extensions = "mjpg,mjpeg",
981 .value = CODEC_ID_MJPEG,
985 #if CONFIG_MJPEG_MUXER
986 AVOutputFormat mjpeg_muxer = {
988 NULL_IF_CONFIG_SMALL("MJPEG video"),
996 .flags= AVFMT_NOTIMESTAMPS,
1000 #if CONFIG_MLP_DEMUXER
1001 AVInputFormat mlp_demuxer = {
1003 NULL_IF_CONFIG_SMALL("raw MLP"),
1007 raw_read_partial_packet,
1008 .flags= AVFMT_GENERIC_INDEX,
1009 .extensions = "mlp",
1010 .value = CODEC_ID_MLP,
1014 #if CONFIG_MPEG1VIDEO_MUXER
1015 AVOutputFormat mpeg1video_muxer = {
1017 NULL_IF_CONFIG_SMALL("MPEG video"),
1022 CODEC_ID_MPEG1VIDEO,
1025 .flags= AVFMT_NOTIMESTAMPS,
1029 #if CONFIG_MPEG2VIDEO_MUXER
1030 AVOutputFormat mpeg2video_muxer = {
1032 NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1037 CODEC_ID_MPEG2VIDEO,
1040 .flags= AVFMT_NOTIMESTAMPS,
1044 #if CONFIG_MPEGVIDEO_DEMUXER
1045 AVInputFormat mpegvideo_demuxer = {
1047 NULL_IF_CONFIG_SMALL("MPEG video"),
1051 raw_read_partial_packet,
1052 .flags= AVFMT_GENERIC_INDEX,
1053 .value = CODEC_ID_MPEG1VIDEO,
1057 #if CONFIG_NULL_MUXER
1058 AVOutputFormat null_muxer = {
1060 NULL_IF_CONFIG_SMALL("null video format"),
1064 #ifdef WORDS_BIGENDIAN
1072 .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1076 #if CONFIG_RAWVIDEO_DEMUXER
1077 AVInputFormat rawvideo_demuxer = {
1079 NULL_IF_CONFIG_SMALL("raw video format"),
1083 rawvideo_read_packet,
1084 .flags= AVFMT_GENERIC_INDEX,
1085 .extensions = "yuv,cif,qcif,rgb",
1086 .value = CODEC_ID_RAWVIDEO,
1090 #if CONFIG_RAWVIDEO_MUXER
1091 AVOutputFormat rawvideo_muxer = {
1093 NULL_IF_CONFIG_SMALL("raw video format"),
1101 .flags= AVFMT_NOTIMESTAMPS,
1105 #if CONFIG_ROQ_MUXER
1106 AVOutputFormat roq_muxer =
1109 NULL_IF_CONFIG_SMALL("id RoQ format"),
1120 #if CONFIG_SHORTEN_DEMUXER
1121 AVInputFormat shorten_demuxer = {
1123 NULL_IF_CONFIG_SMALL("raw Shorten"),
1127 raw_read_partial_packet,
1128 .flags= AVFMT_GENERIC_INDEX,
1129 .extensions = "shn",
1130 .value = CODEC_ID_SHORTEN,
1134 #if CONFIG_VC1_DEMUXER
1135 AVInputFormat vc1_demuxer = {
1137 NULL_IF_CONFIG_SMALL("raw VC-1"),
1139 NULL /* vc1_probe */,
1141 raw_read_partial_packet,
1142 .extensions = "vc1",
1143 .value = CODEC_ID_VC1,
1149 #define PCMINPUTDEF(name, long_name, ext, codec) \
1150 AVInputFormat pcm_ ## name ## _demuxer = {\
1152 NULL_IF_CONFIG_SMALL(long_name),\
1159 .flags= AVFMT_GENERIC_INDEX,\
1164 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1165 AVOutputFormat pcm_ ## name ## _muxer = {\
1167 NULL_IF_CONFIG_SMALL(long_name),\
1175 .flags= AVFMT_NOTIMESTAMPS,\
1179 #if !CONFIG_MUXERS && CONFIG_DEMUXERS
1180 #define PCMDEF(name, long_name, ext, codec) \
1181 PCMINPUTDEF(name, long_name, ext, codec)
1182 #elif CONFIG_MUXERS && !CONFIG_DEMUXERS
1183 #define PCMDEF(name, long_name, ext, codec) \
1184 PCMOUTPUTDEF(name, long_name, ext, codec)
1185 #elif CONFIG_MUXERS && CONFIG_DEMUXERS
1186 #define PCMDEF(name, long_name, ext, codec) \
1187 PCMINPUTDEF(name, long_name, ext, codec)\
1188 PCMOUTPUTDEF(name, long_name, ext, codec)
1190 #define PCMDEF(name, long_name, ext, codec)
1193 #ifdef WORDS_BIGENDIAN
1195 #define LE_DEF(s) NULL
1197 #define BE_DEF(s) NULL
1201 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1202 NULL, CODEC_ID_PCM_F64BE)
1204 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1205 NULL, CODEC_ID_PCM_F64LE)
1207 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1208 NULL, CODEC_ID_PCM_F32BE)
1210 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1211 NULL, CODEC_ID_PCM_F32LE)
1213 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1214 NULL, CODEC_ID_PCM_S32BE)
1216 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1217 NULL, CODEC_ID_PCM_S32LE)
1219 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1220 NULL, CODEC_ID_PCM_S24BE)
1222 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1223 NULL, CODEC_ID_PCM_S24LE)
1225 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1226 BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1228 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1229 LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1231 PCMDEF(s8, "PCM signed 8 bit format",
1232 "sb", CODEC_ID_PCM_S8)
1234 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1235 NULL, CODEC_ID_PCM_U32BE)
1237 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1238 NULL, CODEC_ID_PCM_U32LE)
1240 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1241 NULL, CODEC_ID_PCM_U24BE)
1243 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1244 NULL, CODEC_ID_PCM_U24LE)
1246 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1247 BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1249 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1250 LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1252 PCMDEF(u8, "PCM unsigned 8 bit format",
1253 "ub", CODEC_ID_PCM_U8)
1255 PCMDEF(alaw, "PCM A-law format",
1256 "al", CODEC_ID_PCM_ALAW)
1258 PCMDEF(mulaw, "PCM mu-law format",
1259 "ul", CODEC_ID_PCM_MULAW)