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 */
295 /* MPEG-1/H.263 input */
296 static int video_read_header(AVFormatContext *s,
297 AVFormatParameters *ap)
301 st = av_new_stream(s, 0);
303 return AVERROR(ENOMEM);
305 st->codec->codec_type = CODEC_TYPE_VIDEO;
306 st->codec->codec_id = s->iformat->value;
307 st->need_parsing = AVSTREAM_PARSE_FULL;
309 /* for MJPEG, specify frame rate */
310 /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
311 if (ap->time_base.num) {
312 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
313 } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
314 st->codec->codec_id == CODEC_ID_MPEG4 ||
315 st->codec->codec_id == CODEC_ID_DIRAC ||
316 st->codec->codec_id == CODEC_ID_H264) {
317 av_set_pts_info(st, 64, 1, 25);
324 #if CONFIG_MPEGVIDEO_DEMUXER
325 #define SEQ_START_CODE 0x000001b3
326 #define GOP_START_CODE 0x000001b8
327 #define PICTURE_START_CODE 0x00000100
328 #define SLICE_START_CODE 0x00000101
329 #define PACK_START_CODE 0x000001ba
330 #define VIDEO_ID 0x000001e0
331 #define AUDIO_ID 0x000001c0
333 static int mpegvideo_probe(AVProbeData *p)
336 int pic=0, seq=0, slice=0, pspack=0, pes=0;
339 for(i=0; i<p->buf_size; i++){
340 code = (code<<8) + p->buf[i];
341 if ((code & 0xffffff00) == 0x100) {
343 case SEQ_START_CODE: seq++; break;
344 case PICTURE_START_CODE: pic++; break;
345 case SLICE_START_CODE: slice++; break;
346 case PACK_START_CODE: pspack++; break;
348 if ((code & 0x1f0) == VIDEO_ID) pes++;
349 else if((code & 0x1e0) == AUDIO_ID) pes++;
352 if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
353 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
358 #if CONFIG_M4V_DEMUXER
359 #define VISUAL_OBJECT_START_CODE 0x000001b5
360 #define VOP_START_CODE 0x000001b6
362 static int mpeg4video_probe(AVProbeData *probe_packet)
364 uint32_t temp_buffer= -1;
365 int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
368 for(i=0; i<probe_packet->buf_size; i++){
369 temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
370 if ((temp_buffer & 0xffffff00) != 0x100)
373 if (temp_buffer == VOP_START_CODE) VOP++;
374 else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
375 else if (temp_buffer < 0x120) VO++;
376 else if (temp_buffer < 0x130) VOL++;
377 else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
378 && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
381 if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
382 return AVPROBE_SCORE_MAX/2;
387 #if CONFIG_H264_DEMUXER
388 static int h264_probe(AVProbeData *p)
391 int sps=0, pps=0, idr=0, res=0, sli=0;
394 for(i=0; i<p->buf_size; i++){
395 code = (code<<8) + p->buf[i];
396 if ((code & 0xffffff00) == 0x100) {
397 int ref_idc= (code>>5)&3;
398 int type = code & 0x1F;
399 static const int8_t ref_zero[32]={
400 2, 0, 0, 0, 0,-1, 1,-1,
401 -1, 1, 1, 1, 1,-1, 2, 2,
402 2, 2, 2, 0, 2, 2, 2, 2,
403 2, 2, 2, 2, 2, 2, 2, 2
406 if(code & 0x80) //forbidden bit
409 if(ref_zero[type] == 1 && ref_idc)
411 if(ref_zero[type] ==-1 && !ref_idc)
413 if(ref_zero[type] == 2)
417 case 1: sli++; break;
418 case 5: idr++; break;
424 case 8: pps++; break;
428 if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
429 return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
434 #if CONFIG_H263_DEMUXER
435 static int h263_probe(AVProbeData *p)
441 code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
449 #if CONFIG_H261_DEMUXER
450 static int h261_probe(AVProbeData *p)
456 code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
464 #if CONFIG_DTS_DEMUXER
465 #define DCA_MARKER_14B_BE 0x1FFFE800
466 #define DCA_MARKER_14B_LE 0xFF1F00E8
467 #define DCA_MARKER_RAW_BE 0x7FFE8001
468 #define DCA_MARKER_RAW_LE 0xFE7F0180
469 static int dts_probe(AVProbeData *p)
471 const uint8_t *buf, *bufp;
476 for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
478 state = (state << 16) | bytestream_get_be16(&bufp);
480 /* regular bitstream */
481 if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
482 return AVPROBE_SCORE_MAX/2+1;
484 /* 14 bits big-endian bitstream */
485 if (state == DCA_MARKER_14B_BE)
486 if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
487 return AVPROBE_SCORE_MAX/2+1;
489 /* 14 bits little-endian bitstream */
490 if (state == DCA_MARKER_14B_LE)
491 if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
492 return AVPROBE_SCORE_MAX/2+1;
499 #if CONFIG_DIRAC_DEMUXER
500 static int dirac_probe(AVProbeData *p)
502 if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
503 return AVPROBE_SCORE_MAX;
509 #if CONFIG_DNXHD_DEMUXER
510 static int dnxhd_probe(AVProbeData *p)
512 static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
513 if (!memcmp(p->buf, header, 5))
514 return AVPROBE_SCORE_MAX;
520 #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
521 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
523 int max_frames, first_frames = 0, frames;
524 uint8_t *buf, *buf2, *end;
527 enum CodecID codec_id = CODEC_ID_AC3;
531 end = buf + p->buf_size;
533 for(; buf < end; buf++) {
536 for(frames = 0; buf2 < end; frames++) {
537 init_get_bits(&gbc, buf2, 54);
538 if(ff_ac3_parse_header(&gbc, &hdr) < 0)
540 if(buf2 + hdr.frame_size > end ||
541 av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
543 if (hdr.bitstream_id > 10)
544 codec_id = CODEC_ID_EAC3;
545 buf2 += hdr.frame_size;
547 max_frames = FFMAX(max_frames, frames);
549 first_frames = frames;
551 if(codec_id != expected_codec_id) return 0;
552 if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
553 else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
554 else if(max_frames>=1) return 1;
559 #if CONFIG_AC3_DEMUXER
560 static int ac3_probe(AVProbeData *p)
562 return ac3_eac3_probe(p, CODEC_ID_AC3);
566 #if CONFIG_EAC3_DEMUXER
567 static int eac3_probe(AVProbeData *p)
569 return ac3_eac3_probe(p, CODEC_ID_EAC3);
573 #if CONFIG_FLAC_DEMUXER
574 static int flac_probe(AVProbeData *p)
576 if(memcmp(p->buf, "fLaC", 4)) return 0;
577 else return AVPROBE_SCORE_MAX / 2;
581 #if CONFIG_AAC_DEMUXER
582 static int adts_aac_probe(AVProbeData *p)
584 int max_frames = 0, first_frames = 0;
586 uint8_t *buf0 = p->buf;
589 uint8_t *end = buf0 + p->buf_size - 7;
591 if (ff_id3v2_match(buf0)) {
592 buf0 += ff_id3v2_tag_len(buf0);
596 for(; buf < end; buf= buf2+1) {
599 for(frames = 0; buf2 < end; frames++) {
600 uint32_t header = AV_RB16(buf2);
601 if((header&0xFFF6) != 0xFFF0)
603 fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
608 max_frames = FFMAX(max_frames, frames);
610 first_frames= frames;
612 if (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
613 else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
614 else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
615 else if(max_frames>=1) return 1;
620 /* Note: Do not forget to add new entries to the Makefile as well. */
622 #if CONFIG_AAC_DEMUXER
623 AVInputFormat aac_demuxer = {
625 NULL_IF_CONFIG_SMALL("ADTS AAC"),
629 raw_read_partial_packet,
630 .flags= AVFMT_GENERIC_INDEX,
632 .value = CODEC_ID_AAC,
636 #if CONFIG_AC3_DEMUXER
637 AVInputFormat ac3_demuxer = {
639 NULL_IF_CONFIG_SMALL("raw AC-3"),
643 raw_read_partial_packet,
644 .flags= AVFMT_GENERIC_INDEX,
646 .value = CODEC_ID_AC3,
651 AVOutputFormat ac3_muxer = {
653 NULL_IF_CONFIG_SMALL("raw AC-3"),
661 .flags= AVFMT_NOTIMESTAMPS,
665 #if CONFIG_DIRAC_DEMUXER
666 AVInputFormat dirac_demuxer = {
668 NULL_IF_CONFIG_SMALL("raw Dirac"),
672 raw_read_partial_packet,
673 .flags= AVFMT_GENERIC_INDEX,
674 .value = CODEC_ID_DIRAC,
678 #if CONFIG_DIRAC_MUXER
679 AVOutputFormat dirac_muxer = {
681 NULL_IF_CONFIG_SMALL("raw Dirac"),
689 .flags= AVFMT_NOTIMESTAMPS,
693 #if CONFIG_DNXHD_DEMUXER
694 AVInputFormat dnxhd_demuxer = {
696 NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
700 raw_read_partial_packet,
701 .flags= AVFMT_GENERIC_INDEX,
702 .value = CODEC_ID_DNXHD,
706 #if CONFIG_DNXHD_MUXER
707 AVOutputFormat dnxhd_muxer = {
709 NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
717 .flags= AVFMT_NOTIMESTAMPS,
721 #if CONFIG_DTS_DEMUXER
722 AVInputFormat dts_demuxer = {
724 NULL_IF_CONFIG_SMALL("raw DTS"),
728 raw_read_partial_packet,
729 .flags= AVFMT_GENERIC_INDEX,
731 .value = CODEC_ID_DTS,
736 AVOutputFormat dts_muxer = {
738 NULL_IF_CONFIG_SMALL("raw DTS"),
746 .flags= AVFMT_NOTIMESTAMPS,
750 #if CONFIG_EAC3_DEMUXER
751 AVInputFormat eac3_demuxer = {
753 NULL_IF_CONFIG_SMALL("raw E-AC-3"),
757 raw_read_partial_packet,
758 .flags= AVFMT_GENERIC_INDEX,
759 .extensions = "eac3",
760 .value = CODEC_ID_EAC3,
764 #if CONFIG_EAC3_MUXER
765 AVOutputFormat eac3_muxer = {
767 NULL_IF_CONFIG_SMALL("raw E-AC-3"),
775 .flags= AVFMT_NOTIMESTAMPS,
779 #if CONFIG_FLAC_DEMUXER
780 AVInputFormat flac_demuxer = {
782 NULL_IF_CONFIG_SMALL("raw FLAC"),
786 raw_read_partial_packet,
787 .flags= AVFMT_GENERIC_INDEX,
788 .extensions = "flac",
789 .value = CODEC_ID_FLAC,
793 #if CONFIG_FLAC_MUXER
794 AVOutputFormat flac_muxer = {
796 NULL_IF_CONFIG_SMALL("raw FLAC"),
805 .flags= AVFMT_NOTIMESTAMPS,
809 #if CONFIG_GSM_DEMUXER
810 AVInputFormat gsm_demuxer = {
812 NULL_IF_CONFIG_SMALL("GSM"),
816 raw_read_partial_packet,
817 .flags= AVFMT_GENERIC_INDEX,
819 .value = CODEC_ID_GSM,
823 #if CONFIG_H261_DEMUXER
824 AVInputFormat h261_demuxer = {
826 NULL_IF_CONFIG_SMALL("raw H.261"),
830 raw_read_partial_packet,
831 .flags= AVFMT_GENERIC_INDEX,
832 .extensions = "h261",
833 .value = CODEC_ID_H261,
837 #if CONFIG_H261_MUXER
838 AVOutputFormat h261_muxer = {
840 NULL_IF_CONFIG_SMALL("raw H.261"),
848 .flags= AVFMT_NOTIMESTAMPS,
852 #if CONFIG_H263_DEMUXER
853 AVInputFormat h263_demuxer = {
855 NULL_IF_CONFIG_SMALL("raw H.263"),
859 raw_read_partial_packet,
860 .flags= AVFMT_GENERIC_INDEX,
861 // .extensions = "h263", //FIXME remove after writing mpeg4_probe
862 .value = CODEC_ID_H263,
866 #if CONFIG_H263_MUXER
867 AVOutputFormat h263_muxer = {
869 NULL_IF_CONFIG_SMALL("raw H.263"),
877 .flags= AVFMT_NOTIMESTAMPS,
881 #if CONFIG_H264_DEMUXER
882 AVInputFormat h264_demuxer = {
884 NULL_IF_CONFIG_SMALL("raw H.264 video format"),
888 raw_read_partial_packet,
889 .flags= AVFMT_GENERIC_INDEX,
890 .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
891 .value = CODEC_ID_H264,
895 #if CONFIG_H264_MUXER
896 AVOutputFormat h264_muxer = {
898 NULL_IF_CONFIG_SMALL("raw H.264 video format"),
906 .flags= AVFMT_NOTIMESTAMPS,
910 #if CONFIG_INGENIENT_DEMUXER
911 AVInputFormat ingenient_demuxer = {
913 NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
917 ingenient_read_packet,
918 .flags= AVFMT_GENERIC_INDEX,
919 .extensions = "cgi", // FIXME
920 .value = CODEC_ID_MJPEG,
924 #if CONFIG_M4V_DEMUXER
925 AVInputFormat m4v_demuxer = {
927 NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
929 mpeg4video_probe, /** probing for MPEG-4 data */
931 raw_read_partial_packet,
932 .flags= AVFMT_GENERIC_INDEX,
934 .value = CODEC_ID_MPEG4,
939 AVOutputFormat m4v_muxer = {
941 NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
949 .flags= AVFMT_NOTIMESTAMPS,
953 #if CONFIG_MJPEG_DEMUXER
954 AVInputFormat mjpeg_demuxer = {
956 NULL_IF_CONFIG_SMALL("MJPEG video"),
960 raw_read_partial_packet,
961 .flags= AVFMT_GENERIC_INDEX,
962 .extensions = "mjpg,mjpeg",
963 .value = CODEC_ID_MJPEG,
967 #if CONFIG_MJPEG_MUXER
968 AVOutputFormat mjpeg_muxer = {
970 NULL_IF_CONFIG_SMALL("MJPEG video"),
978 .flags= AVFMT_NOTIMESTAMPS,
982 #if CONFIG_MLP_DEMUXER
983 AVInputFormat mlp_demuxer = {
985 NULL_IF_CONFIG_SMALL("raw MLP"),
989 raw_read_partial_packet,
990 .flags= AVFMT_GENERIC_INDEX,
992 .value = CODEC_ID_MLP,
996 #if CONFIG_MPEG1VIDEO_MUXER
997 AVOutputFormat mpeg1video_muxer = {
999 NULL_IF_CONFIG_SMALL("MPEG video"),
1004 CODEC_ID_MPEG1VIDEO,
1007 .flags= AVFMT_NOTIMESTAMPS,
1011 #if CONFIG_MPEG2VIDEO_MUXER
1012 AVOutputFormat mpeg2video_muxer = {
1014 NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1019 CODEC_ID_MPEG2VIDEO,
1022 .flags= AVFMT_NOTIMESTAMPS,
1026 #if CONFIG_MPEGVIDEO_DEMUXER
1027 AVInputFormat mpegvideo_demuxer = {
1029 NULL_IF_CONFIG_SMALL("MPEG video"),
1033 raw_read_partial_packet,
1034 .flags= AVFMT_GENERIC_INDEX,
1035 .value = CODEC_ID_MPEG1VIDEO,
1039 #if CONFIG_NULL_MUXER
1040 AVOutputFormat null_muxer = {
1042 NULL_IF_CONFIG_SMALL("null video format"),
1046 #ifdef WORDS_BIGENDIAN
1054 .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1058 #if CONFIG_RAWVIDEO_DEMUXER
1059 AVInputFormat rawvideo_demuxer = {
1061 NULL_IF_CONFIG_SMALL("raw video format"),
1065 rawvideo_read_packet,
1066 .flags= AVFMT_GENERIC_INDEX,
1067 .extensions = "yuv,cif,qcif,rgb",
1068 .value = CODEC_ID_RAWVIDEO,
1072 #if CONFIG_RAWVIDEO_MUXER
1073 AVOutputFormat rawvideo_muxer = {
1075 NULL_IF_CONFIG_SMALL("raw video format"),
1083 .flags= AVFMT_NOTIMESTAMPS,
1087 #if CONFIG_ROQ_MUXER
1088 AVOutputFormat roq_muxer =
1091 NULL_IF_CONFIG_SMALL("id RoQ format"),
1102 #if CONFIG_SHORTEN_DEMUXER
1103 AVInputFormat shorten_demuxer = {
1105 NULL_IF_CONFIG_SMALL("raw Shorten"),
1109 raw_read_partial_packet,
1110 .flags= AVFMT_GENERIC_INDEX,
1111 .extensions = "shn",
1112 .value = CODEC_ID_SHORTEN,
1116 #if CONFIG_VC1_DEMUXER
1117 AVInputFormat vc1_demuxer = {
1119 NULL_IF_CONFIG_SMALL("raw VC-1"),
1121 NULL /* vc1_probe */,
1123 raw_read_partial_packet,
1124 .extensions = "vc1",
1125 .value = CODEC_ID_VC1,
1131 #define PCMINPUTDEF(name, long_name, ext, codec) \
1132 AVInputFormat pcm_ ## name ## _demuxer = {\
1134 NULL_IF_CONFIG_SMALL(long_name),\
1141 .flags= AVFMT_GENERIC_INDEX,\
1146 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1147 AVOutputFormat pcm_ ## name ## _muxer = {\
1149 NULL_IF_CONFIG_SMALL(long_name),\
1157 .flags= AVFMT_NOTIMESTAMPS,\
1161 #if !CONFIG_MUXERS && CONFIG_DEMUXERS
1162 #define PCMDEF(name, long_name, ext, codec) \
1163 PCMINPUTDEF(name, long_name, ext, codec)
1164 #elif CONFIG_MUXERS && !CONFIG_DEMUXERS
1165 #define PCMDEF(name, long_name, ext, codec) \
1166 PCMOUTPUTDEF(name, long_name, ext, codec)
1167 #elif CONFIG_MUXERS && CONFIG_DEMUXERS
1168 #define PCMDEF(name, long_name, ext, codec) \
1169 PCMINPUTDEF(name, long_name, ext, codec)\
1170 PCMOUTPUTDEF(name, long_name, ext, codec)
1172 #define PCMDEF(name, long_name, ext, codec)
1175 #ifdef WORDS_BIGENDIAN
1177 #define LE_DEF(s) NULL
1179 #define BE_DEF(s) NULL
1183 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1184 NULL, CODEC_ID_PCM_F64BE)
1186 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1187 NULL, CODEC_ID_PCM_F64LE)
1189 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1190 NULL, CODEC_ID_PCM_F32BE)
1192 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1193 NULL, CODEC_ID_PCM_F32LE)
1195 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1196 NULL, CODEC_ID_PCM_S32BE)
1198 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1199 NULL, CODEC_ID_PCM_S32LE)
1201 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1202 NULL, CODEC_ID_PCM_S24BE)
1204 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1205 NULL, CODEC_ID_PCM_S24LE)
1207 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1208 BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1210 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1211 LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1213 PCMDEF(s8, "PCM signed 8 bit format",
1214 "sb", CODEC_ID_PCM_S8)
1216 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1217 NULL, CODEC_ID_PCM_U32BE)
1219 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1220 NULL, CODEC_ID_PCM_U32LE)
1222 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1223 NULL, CODEC_ID_PCM_U24BE)
1225 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1226 NULL, CODEC_ID_PCM_U24LE)
1228 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1229 BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1231 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1232 LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1234 PCMDEF(u8, "PCM unsigned 8 bit format",
1235 "ub", CODEC_ID_PCM_U8)
1237 PCMDEF(alaw, "PCM A-law format",
1238 "al", CODEC_ID_PCM_ALAW)
1240 PCMDEF(mulaw, "PCM mu-law format",
1241 "ul", CODEC_ID_PCM_MULAW)