git.sesse.net Git - ffmpeg/blob - libavformat/raw.c

   1 /*
   2  * RAW muxer and demuxer
   3  * Copyright (c) 2001 Fabrice Bellard
   4  * Copyright (c) 2005 Alex Beregszaszi
   5  *
   6  * This file is part of FFmpeg.
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  */
  22
  23 #include "libavutil/crc.h"
  24 #include "libavcodec/ac3_parser.h"
  25 #include "libavcodec/bitstream.h"
  26 #include "libavcodec/bytestream.h"
  27 #include "avformat.h"
  28 #include "raw.h"
  29 #include "id3v2.h"
  30
  31 /* simple formats */
  32 #if CONFIG_FLAC_MUXER
  33 static int flac_write_header(struct AVFormatContext *s)
  34 {
  35     static const uint8_t header[8] = {
  36         0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
  37     };
  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);
  43     }
  44     return 0;
  45 }
  46
  47 static int flac_write_trailer(struct AVFormatContext *s)
  48 {
  49     ByteIOContext *pb = s->pb;
  50     uint8_t *streaminfo = s->streams[0]->codec->extradata;
  51     int len = s->streams[0]->codec->extradata_size;
  52     int64_t file_size;
  53
  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);
  59         put_flush_packet(pb);
  60     }
  61     return 0;
  62 }
  63 #endif
  64
  65 #if CONFIG_ROQ_MUXER
  66 static int roq_write_header(struct AVFormatContext *s)
  67 {
  68     static const uint8_t header[] = {
  69         0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
  70     };
  71
  72     put_buffer(s->pb, header, 8);
  73     put_flush_packet(s->pb);
  74
  75     return 0;
  76 }
  77 #endif
  78
  79 #if CONFIG_NULL_MUXER
  80 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  81 {
  82     return 0;
  83 }
  84 #endif
  85
  86 #if CONFIG_MUXERS
  87 static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  88 {
  89     put_buffer(s->pb, pkt->data, pkt->size);
  90     put_flush_packet(s->pb);
  91     return 0;
  92 }
  93 #endif
  94
  95 #if CONFIG_DEMUXERS
  96 /* raw input */
  97 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
  98 {
  99     AVStream *st;
 100     int id;
 101
 102     st = av_new_stream(s, 0);
 103     if (!st)
 104         return AVERROR(ENOMEM);
 105
 106         id = s->iformat->value;
 107         if (id == CODEC_ID_RAWVIDEO) {
 108             st->codec->codec_type = CODEC_TYPE_VIDEO;
 109         } else {
 110             st->codec->codec_type = CODEC_TYPE_AUDIO;
 111         }
 112         st->codec->codec_id = id;
 113
 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);
 120             break;
 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);
 124             else
 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;
 131             break;
 132         default:
 133             return -1;
 134         }
 135     return 0;
 136 }
 137
 138 #define RAW_PACKET_SIZE 1024
 139
 140 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
 141 {
 142     int ret, size, bps;
 143     //    AVStream *st = s->streams[0];
 144
 145     size= RAW_PACKET_SIZE;
 146
 147     ret= av_get_packet(s->pb, pkt, size);
 148
 149     pkt->stream_index = 0;
 150     if (ret <= 0) {
 151         return AVERROR(EIO);
 152     }
 153     /* note: we need to modify the packet size here to handle the last
 154        packet */
 155     pkt->size = ret;
 156
 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)
 159     pkt->dts=
 160     pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
 161
 162     return ret;
 163 }
 164
 165 static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
 166 {
 167     int ret, size;
 168
 169     size = RAW_PACKET_SIZE;
 170
 171     if (av_new_packet(pkt, size) < 0)
 172         return AVERROR(EIO);
 173
 174     pkt->pos= url_ftell(s->pb);
 175     pkt->stream_index = 0;
 176     ret = get_partial_buffer(s->pb, pkt->data, size);
 177     if (ret <= 0) {
 178         av_free_packet(pkt);
 179         return AVERROR(EIO);
 180     }
 181     pkt->size = ret;
 182     return ret;
 183 }
 184 #endif
 185
 186 #if CONFIG_RAWVIDEO_DEMUXER
 187 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
 188 {
 189     int packet_size, ret, width, height;
 190     AVStream *st = s->streams[0];
 191
 192     width = st->codec->width;
 193     height = st->codec->height;
 194
 195     packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
 196     if (packet_size < 0)
 197         return -1;
 198
 199     ret= av_get_packet(s->pb, pkt, packet_size);
 200     pkt->pts=
 201     pkt->dts= pkt->pos / packet_size;
 202
 203     pkt->stream_index = 0;
 204     if (ret != packet_size) {
 205         return AVERROR(EIO);
 206     } else {
 207         return 0;
 208     }
 209 }
 210 #endif
 211
 212 #if CONFIG_INGENIENT_DEMUXER
 213 // http://www.artificis.hu/files/texts/ingenient.txt
 214 static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
 215 {
 216     int ret, size, w, h, unk1, unk2;
 217
 218     if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
 219         return AVERROR(EIO); // FIXME
 220
 221     size = get_le32(s->pb);
 222
 223     w = get_le16(s->pb);
 224     h = get_le16(s->pb);
 225
 226     url_fskip(s->pb, 8); // zero + size (padded?)
 227     url_fskip(s->pb, 2);
 228     unk1 = get_le16(s->pb);
 229     unk2 = get_le16(s->pb);
 230     url_fskip(s->pb, 22); // ASCII timestamp
 231
 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);
 234
 235     if (av_new_packet(pkt, size) < 0)
 236         return AVERROR(EIO);
 237
 238     pkt->pos = url_ftell(s->pb);
 239     pkt->stream_index = 0;
 240     ret = get_buffer(s->pb, pkt->data, size);
 241     if (ret <= 0) {
 242         av_free_packet(pkt);
 243         return AVERROR(EIO);
 244     }
 245     pkt->size = ret;
 246     return ret;
 247 }
 248 #endif
 249
 250 #if CONFIG_DEMUXERS
 251 int pcm_read_seek(AVFormatContext *s,
 252                   int stream_index, int64_t timestamp, int flags)
 253 {
 254     AVStream *st;
 255     int block_align, byte_rate, ret;
 256     int64_t pos;
 257
 258     st = s->streams[0];
 259
 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;
 264
 265     if (block_align <= 0 || byte_rate <= 0)
 266         return -1;
 267
 268     /* compute the position by aligning it to block_align */
 269     pos = av_rescale_rnd(timestamp * byte_rate,
 270                          st->time_base.num,
 271                          st->time_base.den * (int64_t)block_align,
 272                          (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
 273     pos *= block_align;
 274
 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)
 278         return ret;
 279     return 0;
 280 }
 281
 282 static int audio_read_header(AVFormatContext *s,
 283                              AVFormatParameters *ap)
 284 {
 285     AVStream *st = av_new_stream(s, 0);
 286     if (!st)
 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 */
 292     return 0;
 293 }
 294
 295 /* MPEG-1/H.263 input */
 296 static int video_read_header(AVFormatContext *s,
 297                              AVFormatParameters *ap)
 298 {
 299     AVStream *st;
 300
 301     st = av_new_stream(s, 0);
 302     if (!st)
 303         return AVERROR(ENOMEM);
 304
 305     st->codec->codec_type = CODEC_TYPE_VIDEO;
 306     st->codec->codec_id = s->iformat->value;
 307     st->need_parsing = AVSTREAM_PARSE_FULL;
 308
 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);
 318     }
 319
 320     return 0;
 321 }
 322 #endif
 323
 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
 332
 333 static int mpegvideo_probe(AVProbeData *p)
 334 {
 335     uint32_t code= -1;
 336     int pic=0, seq=0, slice=0, pspack=0, pes=0;
 337     int i;
 338
 339     for(i=0; i<p->buf_size; i++){
 340         code = (code<<8) + p->buf[i];
 341         if ((code & 0xffffff00) == 0x100) {
 342             switch(code){
 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;
 347             }
 348             if     ((code & 0x1f0) == VIDEO_ID)   pes++;
 349             else if((code & 0x1e0) == AUDIO_ID)   pes++;
 350         }
 351     }
 352     if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
 353         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 354     return 0;
 355 }
 356 #endif
 357
 358 #if CONFIG_M4V_DEMUXER
 359 #define VISUAL_OBJECT_START_CODE       0x000001b5
 360 #define VOP_START_CODE                 0x000001b6
 361
 362 static int mpeg4video_probe(AVProbeData *probe_packet)
 363 {
 364     uint32_t temp_buffer= -1;
 365     int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
 366     int i;
 367
 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)
 371             continue;
 372
 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++;
 379     }
 380
 381     if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
 382         return AVPROBE_SCORE_MAX/2;
 383     return 0;
 384 }
 385 #endif
 386
 387 #if CONFIG_H264_DEMUXER
 388 static int h264_probe(AVProbeData *p)
 389 {
 390     uint32_t code= -1;
 391     int sps=0, pps=0, idr=0, res=0, sli=0;
 392     int i;
 393
 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
 404             };
 405
 406             if(code & 0x80) //forbidden bit
 407                 return 0;
 408
 409             if(ref_zero[type] == 1 && ref_idc)
 410                 return 0;
 411             if(ref_zero[type] ==-1 && !ref_idc)
 412                 return 0;
 413             if(ref_zero[type] == 2)
 414                 res++;
 415
 416             switch(type){
 417             case     1:   sli++; break;
 418             case     5:   idr++; break;
 419             case     7:
 420                 if(p->buf[i+2]&0x0F)
 421                     return 0;
 422                 sps++;
 423                 break;
 424             case     8:   pps++; break;
 425             }
 426         }
 427     }
 428     if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
 429         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 430     return 0;
 431 }
 432 #endif
 433
 434 #if CONFIG_H263_DEMUXER
 435 static int h263_probe(AVProbeData *p)
 436 {
 437     int code;
 438     const uint8_t *d;
 439
 440     d = p->buf;
 441     code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
 442     if (code == 0x20) {
 443         return 50;
 444     }
 445     return 0;
 446 }
 447 #endif
 448
 449 #if CONFIG_H261_DEMUXER
 450 static int h261_probe(AVProbeData *p)
 451 {
 452     int code;
 453     const uint8_t *d;
 454
 455     d = p->buf;
 456     code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
 457     if (code == 0x10) {
 458         return 50;
 459     }
 460     return 0;
 461 }
 462 #endif
 463
 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)
 470 {
 471     const uint8_t *buf, *bufp;
 472     uint32_t state = -1;
 473
 474     buf = p->buf;
 475
 476     for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
 477         bufp = buf;
 478         state = (state << 16) | bytestream_get_be16(&bufp);
 479
 480         /* regular bitstream */
 481         if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
 482             return AVPROBE_SCORE_MAX/2+1;
 483
 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;
 488
 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;
 493     }
 494
 495     return 0;
 496 }
 497 #endif
 498
 499 #if CONFIG_DIRAC_DEMUXER
 500 static int dirac_probe(AVProbeData *p)
 501 {
 502     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
 503         return AVPROBE_SCORE_MAX;
 504     else
 505         return 0;
 506 }
 507 #endif
 508
 509 #if CONFIG_DNXHD_DEMUXER
 510 static int dnxhd_probe(AVProbeData *p)
 511 {
 512     static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
 513     if (!memcmp(p->buf, header, 5))
 514         return AVPROBE_SCORE_MAX;
 515     else
 516         return 0;
 517 }
 518 #endif
 519
 520 #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
 521 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 522 {
 523     int max_frames, first_frames = 0, frames;
 524     uint8_t *buf, *buf2, *end;
 525     AC3HeaderInfo hdr;
 526     GetBitContext gbc;
 527     enum CodecID codec_id = CODEC_ID_AC3;
 528
 529     max_frames = 0;
 530     buf = p->buf;
 531     end = buf + p->buf_size;
 532
 533     for(; buf < end; buf++) {
 534         buf2 = buf;
 535
 536         for(frames = 0; buf2 < end; frames++) {
 537             init_get_bits(&gbc, buf2, 54);
 538             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
 539                 break;
 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))
 542                 break;
 543             if (hdr.bitstream_id > 10)
 544                 codec_id = CODEC_ID_EAC3;
 545             buf2 += hdr.frame_size;
 546         }
 547         max_frames = FFMAX(max_frames, frames);
 548         if(buf == p->buf)
 549             first_frames = frames;
 550     }
 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;
 555     else                   return 0;
 556 }
 557 #endif
 558
 559 #if CONFIG_AC3_DEMUXER
 560 static int ac3_probe(AVProbeData *p)
 561 {
 562     return ac3_eac3_probe(p, CODEC_ID_AC3);
 563 }
 564 #endif
 565
 566 #if CONFIG_EAC3_DEMUXER
 567 static int eac3_probe(AVProbeData *p)
 568 {
 569     return ac3_eac3_probe(p, CODEC_ID_EAC3);
 570 }
 571 #endif
 572
 573 #if CONFIG_FLAC_DEMUXER
 574 static int flac_probe(AVProbeData *p)
 575 {
 576     if(memcmp(p->buf, "fLaC", 4)) return 0;
 577     else                          return AVPROBE_SCORE_MAX / 2;
 578 }
 579 #endif
 580
 581 #if CONFIG_AAC_DEMUXER
 582 static int adts_aac_probe(AVProbeData *p)
 583 {
 584     int max_frames = 0, first_frames = 0;
 585     int fsize, frames;
 586     uint8_t *buf0 = p->buf;
 587     uint8_t *buf2;
 588     uint8_t *buf;
 589     uint8_t *end = buf0 + p->buf_size - 7;
 590
 591     if (ff_id3v2_match(buf0)) {
 592         buf0 += ff_id3v2_tag_len(buf0);
 593     }
 594     buf = buf0;
 595
 596     for(; buf < end; buf= buf2+1) {
 597         buf2 = buf;
 598
 599         for(frames = 0; buf2 < end; frames++) {
 600             uint32_t header = AV_RB16(buf2);
 601             if((header&0xFFF6) != 0xFFF0)
 602                 break;
 603             fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
 604             if(fsize < 7)
 605                 break;
 606             buf2 += fsize;
 607         }
 608         max_frames = FFMAX(max_frames, frames);
 609         if(buf == buf0)
 610             first_frames= frames;
 611     }
 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;
 616     else                   return 0;
 617 }
 618 #endif
 619
 620 /* Note: Do not forget to add new entries to the Makefile as well. */
 621
 622 #if CONFIG_AAC_DEMUXER
 623 AVInputFormat aac_demuxer = {
 624     "aac",
 625     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 626     0,
 627     adts_aac_probe,
 628     audio_read_header,
 629     raw_read_partial_packet,
 630     .flags= AVFMT_GENERIC_INDEX,
 631     .extensions = "aac",
 632     .value = CODEC_ID_AAC,
 633 };
 634 #endif
 635
 636 #if CONFIG_AC3_DEMUXER
 637 AVInputFormat ac3_demuxer = {
 638     "ac3",
 639     NULL_IF_CONFIG_SMALL("raw AC-3"),
 640     0,
 641     ac3_probe,
 642     audio_read_header,
 643     raw_read_partial_packet,
 644     .flags= AVFMT_GENERIC_INDEX,
 645     .extensions = "ac3",
 646     .value = CODEC_ID_AC3,
 647 };
 648 #endif
 649
 650 #if CONFIG_AC3_MUXER
 651 AVOutputFormat ac3_muxer = {
 652     "ac3",
 653     NULL_IF_CONFIG_SMALL("raw AC-3"),
 654     "audio/x-ac3",
 655     "ac3",
 656     0,
 657     CODEC_ID_AC3,
 658     CODEC_ID_NONE,
 659     NULL,
 660     raw_write_packet,
 661     .flags= AVFMT_NOTIMESTAMPS,
 662 };
 663 #endif
 664
 665 #if CONFIG_DIRAC_DEMUXER
 666 AVInputFormat dirac_demuxer = {
 667     "dirac",
 668     NULL_IF_CONFIG_SMALL("raw Dirac"),
 669     0,
 670     dirac_probe,
 671     video_read_header,
 672     raw_read_partial_packet,
 673     .flags= AVFMT_GENERIC_INDEX,
 674     .value = CODEC_ID_DIRAC,
 675 };
 676 #endif
 677
 678 #if CONFIG_DIRAC_MUXER
 679 AVOutputFormat dirac_muxer = {
 680     "dirac",
 681     NULL_IF_CONFIG_SMALL("raw Dirac"),
 682     NULL,
 683     "drc",
 684     0,
 685     CODEC_ID_NONE,
 686     CODEC_ID_DIRAC,
 687     NULL,
 688     raw_write_packet,
 689     .flags= AVFMT_NOTIMESTAMPS,
 690 };
 691 #endif
 692
 693 #if CONFIG_DNXHD_DEMUXER
 694 AVInputFormat dnxhd_demuxer = {
 695     "dnxhd",
 696     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 697     0,
 698     dnxhd_probe,
 699     video_read_header,
 700     raw_read_partial_packet,
 701     .flags= AVFMT_GENERIC_INDEX,
 702     .value = CODEC_ID_DNXHD,
 703 };
 704 #endif
 705
 706 #if CONFIG_DNXHD_MUXER
 707 AVOutputFormat dnxhd_muxer = {
 708     "dnxhd",
 709     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 710     NULL,
 711     "dnxhd",
 712     0,
 713     CODEC_ID_NONE,
 714     CODEC_ID_DNXHD,
 715     NULL,
 716     raw_write_packet,
 717     .flags= AVFMT_NOTIMESTAMPS,
 718 };
 719 #endif
 720
 721 #if CONFIG_DTS_DEMUXER
 722 AVInputFormat dts_demuxer = {
 723     "dts",
 724     NULL_IF_CONFIG_SMALL("raw DTS"),
 725     0,
 726     dts_probe,
 727     audio_read_header,
 728     raw_read_partial_packet,
 729     .flags= AVFMT_GENERIC_INDEX,
 730     .extensions = "dts",
 731     .value = CODEC_ID_DTS,
 732 };
 733 #endif
 734
 735 #if CONFIG_DTS_MUXER
 736 AVOutputFormat dts_muxer = {
 737     "dts",
 738     NULL_IF_CONFIG_SMALL("raw DTS"),
 739     "audio/x-dca",
 740     "dts",
 741     0,
 742     CODEC_ID_DTS,
 743     CODEC_ID_NONE,
 744     NULL,
 745     raw_write_packet,
 746     .flags= AVFMT_NOTIMESTAMPS,
 747 };
 748 #endif
 749
 750 #if CONFIG_EAC3_DEMUXER
 751 AVInputFormat eac3_demuxer = {
 752     "eac3",
 753     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 754     0,
 755     eac3_probe,
 756     audio_read_header,
 757     raw_read_partial_packet,
 758     .flags= AVFMT_GENERIC_INDEX,
 759     .extensions = "eac3",
 760     .value = CODEC_ID_EAC3,
 761 };
 762 #endif
 763
 764 #if CONFIG_EAC3_MUXER
 765 AVOutputFormat eac3_muxer = {
 766     "eac3",
 767     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 768     "audio/x-eac3",
 769     "eac3",
 770     0,
 771     CODEC_ID_EAC3,
 772     CODEC_ID_NONE,
 773     NULL,
 774     raw_write_packet,
 775     .flags= AVFMT_NOTIMESTAMPS,
 776 };
 777 #endif
 778
 779 #if CONFIG_FLAC_DEMUXER
 780 AVInputFormat flac_demuxer = {
 781     "flac",
 782     NULL_IF_CONFIG_SMALL("raw FLAC"),
 783     0,
 784     flac_probe,
 785     audio_read_header,
 786     raw_read_partial_packet,
 787     .flags= AVFMT_GENERIC_INDEX,
 788     .extensions = "flac",
 789     .value = CODEC_ID_FLAC,
 790 };
 791 #endif
 792
 793 #if CONFIG_FLAC_MUXER
 794 AVOutputFormat flac_muxer = {
 795     "flac",
 796     NULL_IF_CONFIG_SMALL("raw FLAC"),
 797     "audio/x-flac",
 798     "flac",
 799     0,
 800     CODEC_ID_FLAC,
 801     CODEC_ID_NONE,
 802     flac_write_header,
 803     raw_write_packet,
 804     flac_write_trailer,
 805     .flags= AVFMT_NOTIMESTAMPS,
 806 };
 807 #endif
 808
 809 #if CONFIG_GSM_DEMUXER
 810 AVInputFormat gsm_demuxer = {
 811     "gsm",
 812     NULL_IF_CONFIG_SMALL("GSM"),
 813     0,
 814     NULL,
 815     audio_read_header,
 816     raw_read_partial_packet,
 817     .flags= AVFMT_GENERIC_INDEX,
 818     .extensions = "gsm",
 819     .value = CODEC_ID_GSM,
 820 };
 821 #endif
 822
 823 #if CONFIG_H261_DEMUXER
 824 AVInputFormat h261_demuxer = {
 825     "h261",
 826     NULL_IF_CONFIG_SMALL("raw H.261"),
 827     0,
 828     h261_probe,
 829     video_read_header,
 830     raw_read_partial_packet,
 831     .flags= AVFMT_GENERIC_INDEX,
 832     .extensions = "h261",
 833     .value = CODEC_ID_H261,
 834 };
 835 #endif
 836
 837 #if CONFIG_H261_MUXER
 838 AVOutputFormat h261_muxer = {
 839     "h261",
 840     NULL_IF_CONFIG_SMALL("raw H.261"),
 841     "video/x-h261",
 842     "h261",
 843     0,
 844     CODEC_ID_NONE,
 845     CODEC_ID_H261,
 846     NULL,
 847     raw_write_packet,
 848     .flags= AVFMT_NOTIMESTAMPS,
 849 };
 850 #endif
 851
 852 #if CONFIG_H263_DEMUXER
 853 AVInputFormat h263_demuxer = {
 854     "h263",
 855     NULL_IF_CONFIG_SMALL("raw H.263"),
 856     0,
 857     h263_probe,
 858     video_read_header,
 859     raw_read_partial_packet,
 860     .flags= AVFMT_GENERIC_INDEX,
 861 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 862     .value = CODEC_ID_H263,
 863 };
 864 #endif
 865
 866 #if CONFIG_H263_MUXER
 867 AVOutputFormat h263_muxer = {
 868     "h263",
 869     NULL_IF_CONFIG_SMALL("raw H.263"),
 870     "video/x-h263",
 871     "h263",
 872     0,
 873     CODEC_ID_NONE,
 874     CODEC_ID_H263,
 875     NULL,
 876     raw_write_packet,
 877     .flags= AVFMT_NOTIMESTAMPS,
 878 };
 879 #endif
 880
 881 #if CONFIG_H264_DEMUXER
 882 AVInputFormat h264_demuxer = {
 883     "h264",
 884     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 885     0,
 886     h264_probe,
 887     video_read_header,
 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,
 892 };
 893 #endif
 894
 895 #if CONFIG_H264_MUXER
 896 AVOutputFormat h264_muxer = {
 897     "h264",
 898     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 899     NULL,
 900     "h264",
 901     0,
 902     CODEC_ID_NONE,
 903     CODEC_ID_H264,
 904     NULL,
 905     raw_write_packet,
 906     .flags= AVFMT_NOTIMESTAMPS,
 907 };
 908 #endif
 909
 910 #if CONFIG_INGENIENT_DEMUXER
 911 AVInputFormat ingenient_demuxer = {
 912     "ingenient",
 913     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 914     0,
 915     NULL,
 916     video_read_header,
 917     ingenient_read_packet,
 918     .flags= AVFMT_GENERIC_INDEX,
 919     .extensions = "cgi", // FIXME
 920     .value = CODEC_ID_MJPEG,
 921 };
 922 #endif
 923
 924 #if CONFIG_M4V_DEMUXER
 925 AVInputFormat m4v_demuxer = {
 926     "m4v",
 927     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 928     0,
 929     mpeg4video_probe, /** probing for MPEG-4 data */
 930     video_read_header,
 931     raw_read_partial_packet,
 932     .flags= AVFMT_GENERIC_INDEX,
 933     .extensions = "m4v",
 934     .value = CODEC_ID_MPEG4,
 935 };
 936 #endif
 937
 938 #if CONFIG_M4V_MUXER
 939 AVOutputFormat m4v_muxer = {
 940     "m4v",
 941     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 942     NULL,
 943     "m4v",
 944     0,
 945     CODEC_ID_NONE,
 946     CODEC_ID_MPEG4,
 947     NULL,
 948     raw_write_packet,
 949     .flags= AVFMT_NOTIMESTAMPS,
 950 };
 951 #endif
 952
 953 #if CONFIG_MJPEG_DEMUXER
 954 AVInputFormat mjpeg_demuxer = {
 955     "mjpeg",
 956     NULL_IF_CONFIG_SMALL("MJPEG video"),
 957     0,
 958     NULL,
 959     video_read_header,
 960     raw_read_partial_packet,
 961     .flags= AVFMT_GENERIC_INDEX,
 962     .extensions = "mjpg,mjpeg",
 963     .value = CODEC_ID_MJPEG,
 964 };
 965 #endif
 966
 967 #if CONFIG_MJPEG_MUXER
 968 AVOutputFormat mjpeg_muxer = {
 969     "mjpeg",
 970     NULL_IF_CONFIG_SMALL("MJPEG video"),
 971     "video/x-mjpeg",
 972     "mjpg,mjpeg",
 973     0,
 974     CODEC_ID_NONE,
 975     CODEC_ID_MJPEG,
 976     NULL,
 977     raw_write_packet,
 978     .flags= AVFMT_NOTIMESTAMPS,
 979 };
 980 #endif
 981
 982 #if CONFIG_MLP_DEMUXER
 983 AVInputFormat mlp_demuxer = {
 984     "mlp",
 985     NULL_IF_CONFIG_SMALL("raw MLP"),
 986     0,
 987     NULL,
 988     audio_read_header,
 989     raw_read_partial_packet,
 990     .flags= AVFMT_GENERIC_INDEX,
 991     .extensions = "mlp",
 992     .value = CODEC_ID_MLP,
 993 };
 994 #endif
 995
 996 #if CONFIG_MPEG1VIDEO_MUXER
 997 AVOutputFormat mpeg1video_muxer = {
 998     "mpeg1video",
 999     NULL_IF_CONFIG_SMALL("MPEG video"),
1000     "video/x-mpeg",
1001     "mpg,mpeg,m1v",
1002     0,
1003     CODEC_ID_NONE,
1004     CODEC_ID_MPEG1VIDEO,
1005     NULL,
1006     raw_write_packet,
1007     .flags= AVFMT_NOTIMESTAMPS,
1008 };
1009 #endif
1010
1011 #if CONFIG_MPEG2VIDEO_MUXER
1012 AVOutputFormat mpeg2video_muxer = {
1013     "mpeg2video",
1014     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1015     NULL,
1016     "m2v",
1017     0,
1018     CODEC_ID_NONE,
1019     CODEC_ID_MPEG2VIDEO,
1020     NULL,
1021     raw_write_packet,
1022     .flags= AVFMT_NOTIMESTAMPS,
1023 };
1024 #endif
1025
1026 #if CONFIG_MPEGVIDEO_DEMUXER
1027 AVInputFormat mpegvideo_demuxer = {
1028     "mpegvideo",
1029     NULL_IF_CONFIG_SMALL("MPEG video"),
1030     0,
1031     mpegvideo_probe,
1032     video_read_header,
1033     raw_read_partial_packet,
1034     .flags= AVFMT_GENERIC_INDEX,
1035     .value = CODEC_ID_MPEG1VIDEO,
1036 };
1037 #endif
1038
1039 #if CONFIG_NULL_MUXER
1040 AVOutputFormat null_muxer = {
1041     "null",
1042     NULL_IF_CONFIG_SMALL("null video format"),
1043     NULL,
1044     NULL,
1045     0,
1046 #ifdef WORDS_BIGENDIAN
1047     CODEC_ID_PCM_S16BE,
1048 #else
1049     CODEC_ID_PCM_S16LE,
1050 #endif
1051     CODEC_ID_RAWVIDEO,
1052     NULL,
1053     null_write_packet,
1054     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1055 };
1056 #endif
1057
1058 #if CONFIG_RAWVIDEO_DEMUXER
1059 AVInputFormat rawvideo_demuxer = {
1060     "rawvideo",
1061     NULL_IF_CONFIG_SMALL("raw video format"),
1062     0,
1063     NULL,
1064     raw_read_header,
1065     rawvideo_read_packet,
1066     .flags= AVFMT_GENERIC_INDEX,
1067     .extensions = "yuv,cif,qcif,rgb",
1068     .value = CODEC_ID_RAWVIDEO,
1069 };
1070 #endif
1071
1072 #if CONFIG_RAWVIDEO_MUXER
1073 AVOutputFormat rawvideo_muxer = {
1074     "rawvideo",
1075     NULL_IF_CONFIG_SMALL("raw video format"),
1076     NULL,
1077     "yuv,rgb",
1078     0,
1079     CODEC_ID_NONE,
1080     CODEC_ID_RAWVIDEO,
1081     NULL,
1082     raw_write_packet,
1083     .flags= AVFMT_NOTIMESTAMPS,
1084 };
1085 #endif
1086
1087 #if CONFIG_ROQ_MUXER
1088 AVOutputFormat roq_muxer =
1089 {
1090     "RoQ",
1091     NULL_IF_CONFIG_SMALL("id RoQ format"),
1092     NULL,
1093     "roq",
1094     0,
1095     CODEC_ID_ROQ_DPCM,
1096     CODEC_ID_ROQ,
1097     roq_write_header,
1098     raw_write_packet,
1099 };
1100 #endif
1101
1102 #if CONFIG_SHORTEN_DEMUXER
1103 AVInputFormat shorten_demuxer = {
1104     "shn",
1105     NULL_IF_CONFIG_SMALL("raw Shorten"),
1106     0,
1107     NULL,
1108     audio_read_header,
1109     raw_read_partial_packet,
1110     .flags= AVFMT_GENERIC_INDEX,
1111     .extensions = "shn",
1112     .value = CODEC_ID_SHORTEN,
1113 };
1114 #endif
1115
1116 #if CONFIG_VC1_DEMUXER
1117 AVInputFormat vc1_demuxer = {
1118     "vc1",
1119     NULL_IF_CONFIG_SMALL("raw VC-1"),
1120     0,
1121     NULL /* vc1_probe */,
1122     video_read_header,
1123     raw_read_partial_packet,
1124     .extensions = "vc1",
1125     .value = CODEC_ID_VC1,
1126 };
1127 #endif
1128
1129 /* PCM formats */
1130
1131 #define PCMINPUTDEF(name, long_name, ext, codec) \
1132 AVInputFormat pcm_ ## name ## _demuxer = {\
1133     #name,\
1134     NULL_IF_CONFIG_SMALL(long_name),\
1135     0,\
1136     NULL,\
1137     raw_read_header,\
1138     raw_read_packet,\
1139     NULL,\
1140     pcm_read_seek,\
1141     .flags= AVFMT_GENERIC_INDEX,\
1142     .extensions = ext,\
1143     .value = codec,\
1144 };
1145
1146 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1147 AVOutputFormat pcm_ ## name ## _muxer = {\
1148     #name,\
1149     NULL_IF_CONFIG_SMALL(long_name),\
1150     NULL,\
1151     ext,\
1152     0,\
1153     codec,\
1154     CODEC_ID_NONE,\
1155     NULL,\
1156     raw_write_packet,\
1157     .flags= AVFMT_NOTIMESTAMPS,\
1158 };
1159
1160
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)
1171 #else
1172 #define PCMDEF(name, long_name, ext, codec)
1173 #endif
1174
1175 #ifdef WORDS_BIGENDIAN
1176 #define BE_DEF(s) s
1177 #define LE_DEF(s) NULL
1178 #else
1179 #define BE_DEF(s) NULL
1180 #define LE_DEF(s) s
1181 #endif
1182
1183 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1184        NULL, CODEC_ID_PCM_F64BE)
1185
1186 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1187        NULL, CODEC_ID_PCM_F64LE)
1188
1189 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1190        NULL, CODEC_ID_PCM_F32BE)
1191
1192 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1193        NULL, CODEC_ID_PCM_F32LE)
1194
1195 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1196        NULL, CODEC_ID_PCM_S32BE)
1197
1198 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1199        NULL, CODEC_ID_PCM_S32LE)
1200
1201 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1202        NULL, CODEC_ID_PCM_S24BE)
1203
1204 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1205        NULL, CODEC_ID_PCM_S24LE)
1206
1207 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1208        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1209
1210 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1211        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1212
1213 PCMDEF(s8, "PCM signed 8 bit format",
1214        "sb", CODEC_ID_PCM_S8)
1215
1216 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1217        NULL, CODEC_ID_PCM_U32BE)
1218
1219 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1220        NULL, CODEC_ID_PCM_U32LE)
1221
1222 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1223        NULL, CODEC_ID_PCM_U24BE)
1224
1225 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1226        NULL, CODEC_ID_PCM_U24LE)
1227
1228 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1229        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1230
1231 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1232        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1233
1234 PCMDEF(u8, "PCM unsigned 8 bit format",
1235        "ub", CODEC_ID_PCM_U8)
1236
1237 PCMDEF(alaw, "PCM A-law format",
1238        "al", CODEC_ID_PCM_ALAW)
1239
1240 PCMDEF(mulaw, "PCM mu-law format",
1241        "ul", CODEC_ID_PCM_MULAW)