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
  30 /* simple formats */
  31 #ifdef CONFIG_FLAC_MUXER
  32 static int flac_write_header(struct AVFormatContext *s)
  33 {
  34     static const uint8_t header[8] = {
  35         0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
  36     };
  37     uint8_t *streaminfo = s->streams[0]->codec->extradata;
  38     int len = s->streams[0]->codec->extradata_size;
  39     if(streaminfo != NULL && len > 0) {
  40         put_buffer(s->pb, header, 8);
  41         put_buffer(s->pb, streaminfo, len);
  42     }
  43     return 0;
  44 }
  45
  46 static int flac_write_trailer(struct AVFormatContext *s)
  47 {
  48     ByteIOContext *pb = s->pb;
  49     uint8_t *streaminfo = s->streams[0]->codec->extradata;
  50     int len = s->streams[0]->codec->extradata_size;
  51     int64_t file_size;
  52
  53     if (streaminfo && len > 0 && !url_is_streamed(s->pb)) {
  54         file_size = url_ftell(pb);
  55         url_fseek(pb, 8, SEEK_SET);
  56         put_buffer(pb, streaminfo, len);
  57         url_fseek(pb, file_size, SEEK_SET);
  58         put_flush_packet(pb);
  59     }
  60     return 0;
  61 }
  62 #endif
  63
  64 #ifdef CONFIG_ROQ_MUXER
  65 static int roq_write_header(struct AVFormatContext *s)
  66 {
  67     static const uint8_t header[] = {
  68         0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
  69     };
  70
  71     put_buffer(s->pb, header, 8);
  72     put_flush_packet(s->pb);
  73
  74     return 0;
  75 }
  76 #endif
  77
  78 #ifdef CONFIG_NULL_MUXER
  79 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  80 {
  81     return 0;
  82 }
  83 #endif
  84
  85 #ifdef CONFIG_MUXERS
  86 static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  87 {
  88     put_buffer(s->pb, pkt->data, pkt->size);
  89     put_flush_packet(s->pb);
  90     return 0;
  91 }
  92 #endif
  93
  94 #ifdef CONFIG_DEMUXERS
  95 /* raw input */
  96 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
  97 {
  98     AVStream *st;
  99     int id;
 100
 101     st = av_new_stream(s, 0);
 102     if (!st)
 103         return AVERROR(ENOMEM);
 104
 105         id = s->iformat->value;
 106         if (id == CODEC_ID_RAWVIDEO) {
 107             st->codec->codec_type = CODEC_TYPE_VIDEO;
 108         } else {
 109             st->codec->codec_type = CODEC_TYPE_AUDIO;
 110         }
 111         st->codec->codec_id = id;
 112
 113         switch(st->codec->codec_type) {
 114         case CODEC_TYPE_AUDIO:
 115             st->codec->sample_rate = ap->sample_rate;
 116             if(ap->channels) st->codec->channels = ap->channels;
 117             else             st->codec->channels = 1;
 118             av_set_pts_info(st, 64, 1, st->codec->sample_rate);
 119             break;
 120         case CODEC_TYPE_VIDEO:
 121             if(ap->time_base.num)
 122                 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
 123             else
 124                 av_set_pts_info(st, 64, 1, 25);
 125             st->codec->width = ap->width;
 126             st->codec->height = ap->height;
 127             st->codec->pix_fmt = ap->pix_fmt;
 128             if(st->codec->pix_fmt == PIX_FMT_NONE)
 129                 st->codec->pix_fmt= PIX_FMT_YUV420P;
 130             break;
 131         default:
 132             return -1;
 133         }
 134     return 0;
 135 }
 136
 137 #define RAW_PACKET_SIZE 1024
 138
 139 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
 140 {
 141     int ret, size, bps;
 142     //    AVStream *st = s->streams[0];
 143
 144     size= RAW_PACKET_SIZE;
 145
 146     ret= av_get_packet(s->pb, pkt, size);
 147
 148     pkt->stream_index = 0;
 149     if (ret <= 0) {
 150         return AVERROR(EIO);
 151     }
 152     /* note: we need to modify the packet size here to handle the last
 153        packet */
 154     pkt->size = ret;
 155
 156     bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
 157     assert(bps); // if false there IS a bug elsewhere (NOT in this function)
 158     pkt->dts=
 159     pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
 160
 161     return ret;
 162 }
 163
 164 static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
 165 {
 166     int ret, size;
 167
 168     size = RAW_PACKET_SIZE;
 169
 170     if (av_new_packet(pkt, size) < 0)
 171         return AVERROR(EIO);
 172
 173     pkt->pos= url_ftell(s->pb);
 174     pkt->stream_index = 0;
 175     ret = get_partial_buffer(s->pb, pkt->data, size);
 176     if (ret <= 0) {
 177         av_free_packet(pkt);
 178         return AVERROR(EIO);
 179     }
 180     pkt->size = ret;
 181     return ret;
 182 }
 183 #endif
 184
 185 #ifdef CONFIG_RAWVIDEO_DEMUXER
 186 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
 187 {
 188     int packet_size, ret, width, height;
 189     AVStream *st = s->streams[0];
 190
 191     width = st->codec->width;
 192     height = st->codec->height;
 193
 194     packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
 195     if (packet_size < 0)
 196         return -1;
 197
 198     ret= av_get_packet(s->pb, pkt, packet_size);
 199     pkt->pts=
 200     pkt->dts= pkt->pos / packet_size;
 201
 202     pkt->stream_index = 0;
 203     if (ret != packet_size) {
 204         return AVERROR(EIO);
 205     } else {
 206         return 0;
 207     }
 208 }
 209 #endif
 210
 211 #ifdef CONFIG_INGENIENT_DEMUXER
 212 // http://www.artificis.hu/files/texts/ingenient.txt
 213 static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
 214 {
 215     int ret, size, w, h, unk1, unk2;
 216
 217     if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
 218         return AVERROR(EIO); // FIXME
 219
 220     size = get_le32(s->pb);
 221
 222     w = get_le16(s->pb);
 223     h = get_le16(s->pb);
 224
 225     url_fskip(s->pb, 8); // zero + size (padded?)
 226     url_fskip(s->pb, 2);
 227     unk1 = get_le16(s->pb);
 228     unk2 = get_le16(s->pb);
 229     url_fskip(s->pb, 22); // ASCII timestamp
 230
 231     av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
 232         size, w, h, unk1, unk2);
 233
 234     if (av_new_packet(pkt, size) < 0)
 235         return AVERROR(EIO);
 236
 237     pkt->pos = url_ftell(s->pb);
 238     pkt->stream_index = 0;
 239     ret = get_buffer(s->pb, pkt->data, size);
 240     if (ret <= 0) {
 241         av_free_packet(pkt);
 242         return AVERROR(EIO);
 243     }
 244     pkt->size = ret;
 245     return ret;
 246 }
 247 #endif
 248
 249 #ifdef CONFIG_DEMUXERS
 250 int pcm_read_seek(AVFormatContext *s,
 251                   int stream_index, int64_t timestamp, int flags)
 252 {
 253     AVStream *st;
 254     int block_align, byte_rate, ret;
 255     int64_t pos;
 256
 257     st = s->streams[0];
 258
 259     block_align = st->codec->block_align ? st->codec->block_align :
 260         (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
 261     byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
 262         block_align * st->codec->sample_rate;
 263
 264     if (block_align <= 0 || byte_rate <= 0)
 265         return -1;
 266
 267     /* compute the position by aligning it to block_align */
 268     pos = av_rescale_rnd(timestamp * byte_rate,
 269                          st->time_base.num,
 270                          st->time_base.den * (int64_t)block_align,
 271                          (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
 272     pos *= block_align;
 273
 274     /* recompute exact position */
 275     st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
 276     if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0)
 277         return ret;
 278     return 0;
 279 }
 280
 281 static int audio_read_header(AVFormatContext *s,
 282                              AVFormatParameters *ap)
 283 {
 284     AVStream *st = av_new_stream(s, 0);
 285     if (!st)
 286         return AVERROR(ENOMEM);
 287     st->codec->codec_type = CODEC_TYPE_AUDIO;
 288     st->codec->codec_id = s->iformat->value;
 289     st->need_parsing = AVSTREAM_PARSE_FULL;
 290     /* the parameters will be extracted from the compressed bitstream */
 291     return 0;
 292 }
 293
 294 /* MPEG-1/H.263 input */
 295 static int video_read_header(AVFormatContext *s,
 296                              AVFormatParameters *ap)
 297 {
 298     AVStream *st;
 299
 300     st = av_new_stream(s, 0);
 301     if (!st)
 302         return AVERROR(ENOMEM);
 303
 304     st->codec->codec_type = CODEC_TYPE_VIDEO;
 305     st->codec->codec_id = s->iformat->value;
 306     st->need_parsing = AVSTREAM_PARSE_FULL;
 307
 308     /* for MJPEG, specify frame rate */
 309     /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
 310     if (ap->time_base.num) {
 311         av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
 312     } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
 313                 st->codec->codec_id == CODEC_ID_MPEG4 ||
 314                 st->codec->codec_id == CODEC_ID_DIRAC ||
 315                 st->codec->codec_id == CODEC_ID_H264) {
 316         av_set_pts_info(st, 64, 1, 25);
 317     }
 318
 319     return 0;
 320 }
 321 #endif
 322
 323 #ifdef CONFIG_MPEGVIDEO_DEMUXER
 324 #define SEQ_START_CODE          0x000001b3
 325 #define GOP_START_CODE          0x000001b8
 326 #define PICTURE_START_CODE      0x00000100
 327 #define SLICE_START_CODE        0x00000101
 328 #define PACK_START_CODE         0x000001ba
 329 #define VIDEO_ID                0x000001e0
 330 #define AUDIO_ID                0x000001c0
 331
 332 static int mpegvideo_probe(AVProbeData *p)
 333 {
 334     uint32_t code= -1;
 335     int pic=0, seq=0, slice=0, pspack=0, pes=0;
 336     int i;
 337
 338     for(i=0; i<p->buf_size; i++){
 339         code = (code<<8) + p->buf[i];
 340         if ((code & 0xffffff00) == 0x100) {
 341             switch(code){
 342             case     SEQ_START_CODE:   seq++; break;
 343             case PICTURE_START_CODE:   pic++; break;
 344             case   SLICE_START_CODE: slice++; break;
 345             case    PACK_START_CODE: pspack++; break;
 346             }
 347             if     ((code & 0x1f0) == VIDEO_ID)   pes++;
 348             else if((code & 0x1e0) == AUDIO_ID)   pes++;
 349         }
 350     }
 351     if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
 352         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 353     return 0;
 354 }
 355 #endif
 356
 357 #ifdef CONFIG_M4V_DEMUXER
 358 #define VISUAL_OBJECT_START_CODE       0x000001b5
 359 #define VOP_START_CODE                 0x000001b6
 360
 361 static int mpeg4video_probe(AVProbeData *probe_packet)
 362 {
 363     uint32_t temp_buffer= -1;
 364     int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
 365     int i;
 366
 367     for(i=0; i<probe_packet->buf_size; i++){
 368         temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
 369         if ((temp_buffer & 0xffffff00) != 0x100)
 370             continue;
 371
 372         if (temp_buffer == VOP_START_CODE)                         VOP++;
 373         else if (temp_buffer == VISUAL_OBJECT_START_CODE)          VISO++;
 374         else if (temp_buffer < 0x120)                              VO++;
 375         else if (temp_buffer < 0x130)                              VOL++;
 376         else if (   !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
 377                  && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
 378     }
 379
 380     if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
 381         return AVPROBE_SCORE_MAX/2;
 382     return 0;
 383 }
 384 #endif
 385
 386 #ifdef CONFIG_H264_DEMUXER
 387 static int h264_probe(AVProbeData *p)
 388 {
 389     uint32_t code= -1;
 390     int sps=0, pps=0, idr=0, res=0, sli=0;
 391     int i;
 392
 393     for(i=0; i<p->buf_size; i++){
 394         code = (code<<8) + p->buf[i];
 395         if ((code & 0xffffff00) == 0x100) {
 396             int ref_idc= (code>>5)&3;
 397             int type   = code & 0x1F;
 398             static const int8_t ref_zero[32]={
 399                 2, 0, 0, 0, 0,-1, 1,-1,
 400                -1, 1, 1, 1, 1,-1, 2, 2,
 401                 2, 2, 2, 0, 2, 2, 2, 2,
 402                 2, 2, 2, 2, 2, 2, 2, 2
 403             };
 404
 405             if(code & 0x80) //forbidden bit
 406                 return 0;
 407
 408             if(ref_zero[type] == 1 && ref_idc)
 409                 return 0;
 410             if(ref_zero[type] ==-1 && !ref_idc)
 411                 return 0;
 412             if(ref_zero[type] == 2)
 413                 res++;
 414
 415             switch(type){
 416             case     1:   sli++; break;
 417             case     5:   idr++; break;
 418             case     7:
 419                 if(p->buf[i+2]&0x0F)
 420                     return 0;
 421                 sps++;
 422                 break;
 423             case     8:   pps++; break;
 424             }
 425         }
 426     }
 427     if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
 428         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 429     return 0;
 430 }
 431 #endif
 432
 433 #ifdef CONFIG_H263_DEMUXER
 434 static int h263_probe(AVProbeData *p)
 435 {
 436     int code;
 437     const uint8_t *d;
 438
 439     d = p->buf;
 440     code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
 441     if (code == 0x20) {
 442         return 50;
 443     }
 444     return 0;
 445 }
 446 #endif
 447
 448 #ifdef CONFIG_H261_DEMUXER
 449 static int h261_probe(AVProbeData *p)
 450 {
 451     int code;
 452     const uint8_t *d;
 453
 454     d = p->buf;
 455     code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
 456     if (code == 0x10) {
 457         return 50;
 458     }
 459     return 0;
 460 }
 461 #endif
 462
 463 #ifdef CONFIG_DTS_DEMUXER
 464 #define DCA_MARKER_14B_BE 0x1FFFE800
 465 #define DCA_MARKER_14B_LE 0xFF1F00E8
 466 #define DCA_MARKER_RAW_BE 0x7FFE8001
 467 #define DCA_MARKER_RAW_LE 0xFE7F0180
 468 static int dts_probe(AVProbeData *p)
 469 {
 470     const uint8_t *buf, *bufp;
 471     uint32_t state = -1;
 472
 473     buf = p->buf;
 474
 475     for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
 476         bufp = buf;
 477         state = (state << 16) | bytestream_get_be16(&bufp);
 478
 479         /* regular bitstream */
 480         if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
 481             return AVPROBE_SCORE_MAX/2+1;
 482
 483         /* 14 bits big-endian bitstream */
 484         if (state == DCA_MARKER_14B_BE)
 485             if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
 486                 return AVPROBE_SCORE_MAX/2+1;
 487
 488         /* 14 bits little-endian bitstream */
 489         if (state == DCA_MARKER_14B_LE)
 490             if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
 491                 return AVPROBE_SCORE_MAX/2+1;
 492     }
 493
 494     return 0;
 495 }
 496 #endif
 497
 498 #ifdef CONFIG_DIRAC_DEMUXER
 499 static int dirac_probe(AVProbeData *p)
 500 {
 501     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
 502         return AVPROBE_SCORE_MAX;
 503     else
 504         return 0;
 505 }
 506 #endif
 507
 508 #if defined(CONFIG_AC3_DEMUXER) || defined(CONFIG_EAC3_DEMUXER)
 509 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 510 {
 511     int max_frames, first_frames = 0, frames;
 512     uint8_t *buf, *buf2, *end;
 513     AC3HeaderInfo hdr;
 514     GetBitContext gbc;
 515     enum CodecID codec_id = CODEC_ID_AC3;
 516
 517     max_frames = 0;
 518     buf = p->buf;
 519     end = buf + p->buf_size;
 520
 521     for(; buf < end; buf++) {
 522         buf2 = buf;
 523
 524         for(frames = 0; buf2 < end; frames++) {
 525             init_get_bits(&gbc, buf2, 54);
 526             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
 527                 break;
 528             if(buf2 + hdr.frame_size > end ||
 529                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
 530                 break;
 531             if (hdr.bitstream_id > 10)
 532                 codec_id = CODEC_ID_EAC3;
 533             buf2 += hdr.frame_size;
 534         }
 535         max_frames = FFMAX(max_frames, frames);
 536         if(buf == p->buf)
 537             first_frames = frames;
 538     }
 539     if(codec_id != expected_codec_id) return 0;
 540     if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
 541     else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
 542     else if(max_frames>=1) return 1;
 543     else                   return 0;
 544 }
 545 #endif
 546
 547 #ifdef CONFIG_AC3_DEMUXER
 548 static int ac3_probe(AVProbeData *p)
 549 {
 550     return ac3_eac3_probe(p, CODEC_ID_AC3);
 551 }
 552 #endif
 553
 554 #ifdef CONFIG_EAC3_DEMUXER
 555 static int eac3_probe(AVProbeData *p)
 556 {
 557     return ac3_eac3_probe(p, CODEC_ID_EAC3);
 558 }
 559 #endif
 560
 561 #ifdef CONFIG_FLAC_DEMUXER
 562 static int flac_probe(AVProbeData *p)
 563 {
 564     if(memcmp(p->buf, "fLaC", 4)) return 0;
 565     else                          return AVPROBE_SCORE_MAX / 2;
 566 }
 567 #endif
 568
 569
 570 /* Note: Do not forget to add new entries to the Makefile as well. */
 571
 572 #ifdef CONFIG_AAC_DEMUXER
 573 AVInputFormat aac_demuxer = {
 574     "aac",
 575     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 576     0,
 577     NULL,
 578     audio_read_header,
 579     raw_read_partial_packet,
 580     .flags= AVFMT_GENERIC_INDEX,
 581     .extensions = "aac",
 582     .value = CODEC_ID_AAC,
 583 };
 584 #endif
 585
 586 #ifdef CONFIG_AC3_DEMUXER
 587 AVInputFormat ac3_demuxer = {
 588     "ac3",
 589     NULL_IF_CONFIG_SMALL("raw AC-3"),
 590     0,
 591     ac3_probe,
 592     audio_read_header,
 593     raw_read_partial_packet,
 594     .flags= AVFMT_GENERIC_INDEX,
 595     .extensions = "ac3",
 596     .value = CODEC_ID_AC3,
 597 };
 598 #endif
 599
 600 #ifdef CONFIG_AC3_MUXER
 601 AVOutputFormat ac3_muxer = {
 602     "ac3",
 603     NULL_IF_CONFIG_SMALL("raw AC-3"),
 604     "audio/x-ac3",
 605     "ac3",
 606     0,
 607     CODEC_ID_AC3,
 608     CODEC_ID_NONE,
 609     NULL,
 610     raw_write_packet,
 611     .flags= AVFMT_NOTIMESTAMPS,
 612 };
 613 #endif
 614
 615 #ifdef CONFIG_DIRAC_DEMUXER
 616 AVInputFormat dirac_demuxer = {
 617     "dirac",
 618     NULL_IF_CONFIG_SMALL("raw Dirac"),
 619     0,
 620     dirac_probe,
 621     video_read_header,
 622     raw_read_partial_packet,
 623     .flags= AVFMT_GENERIC_INDEX,
 624     .value = CODEC_ID_DIRAC,
 625 };
 626 #endif
 627
 628 #ifdef CONFIG_DIRAC_MUXER
 629 AVOutputFormat dirac_muxer = {
 630     "dirac",
 631     NULL_IF_CONFIG_SMALL("raw Dirac"),
 632     NULL,
 633     "drc",
 634     0,
 635     CODEC_ID_NONE,
 636     CODEC_ID_DIRAC,
 637     NULL,
 638     raw_write_packet,
 639     .flags= AVFMT_NOTIMESTAMPS,
 640 };
 641 #endif
 642
 643 #ifdef CONFIG_DTS_DEMUXER
 644 AVInputFormat dts_demuxer = {
 645     "dts",
 646     NULL_IF_CONFIG_SMALL("raw DTS"),
 647     0,
 648     dts_probe,
 649     audio_read_header,
 650     raw_read_partial_packet,
 651     .flags= AVFMT_GENERIC_INDEX,
 652     .extensions = "dts",
 653     .value = CODEC_ID_DTS,
 654 };
 655 #endif
 656
 657 #ifdef CONFIG_DTS_MUXER
 658 AVOutputFormat dts_muxer = {
 659     "dts",
 660     NULL_IF_CONFIG_SMALL("raw DTS"),
 661     "audio/x-dca",
 662     "dts",
 663     0,
 664     CODEC_ID_DTS,
 665     CODEC_ID_NONE,
 666     NULL,
 667     raw_write_packet,
 668     .flags= AVFMT_NOTIMESTAMPS,
 669 };
 670 #endif
 671
 672 #ifdef CONFIG_EAC3_DEMUXER
 673 AVInputFormat eac3_demuxer = {
 674     "eac3",
 675     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 676     0,
 677     eac3_probe,
 678     audio_read_header,
 679     raw_read_partial_packet,
 680     .flags= AVFMT_GENERIC_INDEX,
 681     .extensions = "eac3",
 682     .value = CODEC_ID_EAC3,
 683 };
 684 #endif
 685
 686 #ifdef CONFIG_EAC3_MUXER
 687 AVOutputFormat eac3_muxer = {
 688     "eac3",
 689     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 690     "audio/x-eac3",
 691     "eac3",
 692     0,
 693     CODEC_ID_EAC3,
 694     CODEC_ID_NONE,
 695     NULL,
 696     raw_write_packet,
 697     .flags= AVFMT_NOTIMESTAMPS,
 698 };
 699 #endif
 700
 701 #ifdef CONFIG_FLAC_DEMUXER
 702 AVInputFormat flac_demuxer = {
 703     "flac",
 704     NULL_IF_CONFIG_SMALL("raw FLAC"),
 705     0,
 706     flac_probe,
 707     audio_read_header,
 708     raw_read_partial_packet,
 709     .flags= AVFMT_GENERIC_INDEX,
 710     .extensions = "flac",
 711     .value = CODEC_ID_FLAC,
 712 };
 713 #endif
 714
 715 #ifdef CONFIG_FLAC_MUXER
 716 AVOutputFormat flac_muxer = {
 717     "flac",
 718     NULL_IF_CONFIG_SMALL("raw FLAC"),
 719     "audio/x-flac",
 720     "flac",
 721     0,
 722     CODEC_ID_FLAC,
 723     CODEC_ID_NONE,
 724     flac_write_header,
 725     raw_write_packet,
 726     flac_write_trailer,
 727     .flags= AVFMT_NOTIMESTAMPS,
 728 };
 729 #endif
 730
 731 #ifdef CONFIG_GSM_DEMUXER
 732 AVInputFormat gsm_demuxer = {
 733     "gsm",
 734     NULL_IF_CONFIG_SMALL("GSM"),
 735     0,
 736     NULL,
 737     audio_read_header,
 738     raw_read_partial_packet,
 739     .flags= AVFMT_GENERIC_INDEX,
 740     .extensions = "gsm",
 741     .value = CODEC_ID_GSM,
 742 };
 743 #endif
 744
 745 #ifdef CONFIG_H261_DEMUXER
 746 AVInputFormat h261_demuxer = {
 747     "h261",
 748     NULL_IF_CONFIG_SMALL("raw H.261"),
 749     0,
 750     h261_probe,
 751     video_read_header,
 752     raw_read_partial_packet,
 753     .flags= AVFMT_GENERIC_INDEX,
 754     .extensions = "h261",
 755     .value = CODEC_ID_H261,
 756 };
 757 #endif
 758
 759 #ifdef CONFIG_H261_MUXER
 760 AVOutputFormat h261_muxer = {
 761     "h261",
 762     NULL_IF_CONFIG_SMALL("raw H.261"),
 763     "video/x-h261",
 764     "h261",
 765     0,
 766     CODEC_ID_NONE,
 767     CODEC_ID_H261,
 768     NULL,
 769     raw_write_packet,
 770     .flags= AVFMT_NOTIMESTAMPS,
 771 };
 772 #endif
 773
 774 #ifdef CONFIG_H263_DEMUXER
 775 AVInputFormat h263_demuxer = {
 776     "h263",
 777     NULL_IF_CONFIG_SMALL("raw H.263"),
 778     0,
 779     h263_probe,
 780     video_read_header,
 781     raw_read_partial_packet,
 782     .flags= AVFMT_GENERIC_INDEX,
 783 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 784     .value = CODEC_ID_H263,
 785 };
 786 #endif
 787
 788 #ifdef CONFIG_H263_MUXER
 789 AVOutputFormat h263_muxer = {
 790     "h263",
 791     NULL_IF_CONFIG_SMALL("raw H.263"),
 792     "video/x-h263",
 793     "h263",
 794     0,
 795     CODEC_ID_NONE,
 796     CODEC_ID_H263,
 797     NULL,
 798     raw_write_packet,
 799     .flags= AVFMT_NOTIMESTAMPS,
 800 };
 801 #endif
 802
 803 #ifdef CONFIG_H264_DEMUXER
 804 AVInputFormat h264_demuxer = {
 805     "h264",
 806     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 807     0,
 808     h264_probe,
 809     video_read_header,
 810     raw_read_partial_packet,
 811     .flags= AVFMT_GENERIC_INDEX,
 812     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
 813     .value = CODEC_ID_H264,
 814 };
 815 #endif
 816
 817 #ifdef CONFIG_H264_MUXER
 818 AVOutputFormat h264_muxer = {
 819     "h264",
 820     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 821     NULL,
 822     "h264",
 823     0,
 824     CODEC_ID_NONE,
 825     CODEC_ID_H264,
 826     NULL,
 827     raw_write_packet,
 828     .flags= AVFMT_NOTIMESTAMPS,
 829 };
 830 #endif
 831
 832 #ifdef CONFIG_INGENIENT_DEMUXER
 833 AVInputFormat ingenient_demuxer = {
 834     "ingenient",
 835     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 836     0,
 837     NULL,
 838     video_read_header,
 839     ingenient_read_packet,
 840     .flags= AVFMT_GENERIC_INDEX,
 841     .extensions = "cgi", // FIXME
 842     .value = CODEC_ID_MJPEG,
 843 };
 844 #endif
 845
 846 #ifdef CONFIG_M4V_DEMUXER
 847 AVInputFormat m4v_demuxer = {
 848     "m4v",
 849     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 850     0,
 851     mpeg4video_probe, /** probing for MPEG-4 data */
 852     video_read_header,
 853     raw_read_partial_packet,
 854     .flags= AVFMT_GENERIC_INDEX,
 855     .extensions = "m4v", //FIXME remove after writing mpeg4_probe
 856     .value = CODEC_ID_MPEG4,
 857 };
 858 #endif
 859
 860 #ifdef CONFIG_M4V_MUXER
 861 AVOutputFormat m4v_muxer = {
 862     "m4v",
 863     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 864     NULL,
 865     "m4v",
 866     0,
 867     CODEC_ID_NONE,
 868     CODEC_ID_MPEG4,
 869     NULL,
 870     raw_write_packet,
 871     .flags= AVFMT_NOTIMESTAMPS,
 872 };
 873 #endif
 874
 875 #ifdef CONFIG_MJPEG_DEMUXER
 876 AVInputFormat mjpeg_demuxer = {
 877     "mjpeg",
 878     NULL_IF_CONFIG_SMALL("MJPEG video"),
 879     0,
 880     NULL,
 881     video_read_header,
 882     raw_read_partial_packet,
 883     .flags= AVFMT_GENERIC_INDEX,
 884     .extensions = "mjpg,mjpeg",
 885     .value = CODEC_ID_MJPEG,
 886 };
 887 #endif
 888
 889 #ifdef CONFIG_MJPEG_MUXER
 890 AVOutputFormat mjpeg_muxer = {
 891     "mjpeg",
 892     NULL_IF_CONFIG_SMALL("MJPEG video"),
 893     "video/x-mjpeg",
 894     "mjpg,mjpeg",
 895     0,
 896     CODEC_ID_NONE,
 897     CODEC_ID_MJPEG,
 898     NULL,
 899     raw_write_packet,
 900     .flags= AVFMT_NOTIMESTAMPS,
 901 };
 902 #endif
 903
 904 #ifdef CONFIG_MLP_DEMUXER
 905 AVInputFormat mlp_demuxer = {
 906     "mlp",
 907     NULL_IF_CONFIG_SMALL("raw MLP"),
 908     0,
 909     NULL,
 910     audio_read_header,
 911     raw_read_partial_packet,
 912     .flags= AVFMT_GENERIC_INDEX,
 913     .extensions = "mlp",
 914     .value = CODEC_ID_MLP,
 915 };
 916 #endif
 917
 918 #ifdef CONFIG_MPEG1VIDEO_MUXER
 919 AVOutputFormat mpeg1video_muxer = {
 920     "mpeg1video",
 921     NULL_IF_CONFIG_SMALL("MPEG video"),
 922     "video/x-mpeg",
 923     "mpg,mpeg,m1v",
 924     0,
 925     CODEC_ID_NONE,
 926     CODEC_ID_MPEG1VIDEO,
 927     NULL,
 928     raw_write_packet,
 929     .flags= AVFMT_NOTIMESTAMPS,
 930 };
 931 #endif
 932
 933 #ifdef CONFIG_MPEG2VIDEO_MUXER
 934 AVOutputFormat mpeg2video_muxer = {
 935     "mpeg2video",
 936     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
 937     NULL,
 938     "m2v",
 939     0,
 940     CODEC_ID_NONE,
 941     CODEC_ID_MPEG2VIDEO,
 942     NULL,
 943     raw_write_packet,
 944     .flags= AVFMT_NOTIMESTAMPS,
 945 };
 946 #endif
 947
 948 #ifdef CONFIG_MPEGVIDEO_DEMUXER
 949 AVInputFormat mpegvideo_demuxer = {
 950     "mpegvideo",
 951     NULL_IF_CONFIG_SMALL("MPEG video"),
 952     0,
 953     mpegvideo_probe,
 954     video_read_header,
 955     raw_read_partial_packet,
 956     .flags= AVFMT_GENERIC_INDEX,
 957     .value = CODEC_ID_MPEG1VIDEO,
 958 };
 959 #endif
 960
 961 #ifdef CONFIG_NULL_MUXER
 962 AVOutputFormat null_muxer = {
 963     "null",
 964     NULL_IF_CONFIG_SMALL("null video format"),
 965     NULL,
 966     NULL,
 967     0,
 968 #ifdef WORDS_BIGENDIAN
 969     CODEC_ID_PCM_S16BE,
 970 #else
 971     CODEC_ID_PCM_S16LE,
 972 #endif
 973     CODEC_ID_RAWVIDEO,
 974     NULL,
 975     null_write_packet,
 976     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
 977 };
 978 #endif
 979
 980 #ifdef CONFIG_RAWVIDEO_DEMUXER
 981 AVInputFormat rawvideo_demuxer = {
 982     "rawvideo",
 983     NULL_IF_CONFIG_SMALL("raw video format"),
 984     0,
 985     NULL,
 986     raw_read_header,
 987     rawvideo_read_packet,
 988     .flags= AVFMT_GENERIC_INDEX,
 989     .extensions = "yuv,cif,qcif,rgb",
 990     .value = CODEC_ID_RAWVIDEO,
 991 };
 992 #endif
 993
 994 #ifdef CONFIG_RAWVIDEO_MUXER
 995 AVOutputFormat rawvideo_muxer = {
 996     "rawvideo",
 997     NULL_IF_CONFIG_SMALL("raw video format"),
 998     NULL,
 999     "yuv,rgb",
1000     0,
1001     CODEC_ID_NONE,
1002     CODEC_ID_RAWVIDEO,
1003     NULL,
1004     raw_write_packet,
1005     .flags= AVFMT_NOTIMESTAMPS,
1006 };
1007 #endif
1008
1009 #ifdef CONFIG_ROQ_MUXER
1010 AVOutputFormat roq_muxer =
1011 {
1012     "RoQ",
1013     NULL_IF_CONFIG_SMALL("id RoQ format"),
1014     NULL,
1015     "roq",
1016     0,
1017     CODEC_ID_ROQ_DPCM,
1018     CODEC_ID_ROQ,
1019     roq_write_header,
1020     raw_write_packet,
1021 };
1022 #endif
1023
1024 #ifdef CONFIG_SHORTEN_DEMUXER
1025 AVInputFormat shorten_demuxer = {
1026     "shn",
1027     NULL_IF_CONFIG_SMALL("raw Shorten"),
1028     0,
1029     NULL,
1030     audio_read_header,
1031     raw_read_partial_packet,
1032     .flags= AVFMT_GENERIC_INDEX,
1033     .extensions = "shn",
1034     .value = CODEC_ID_SHORTEN,
1035 };
1036 #endif
1037
1038 #ifdef CONFIG_VC1_DEMUXER
1039 AVInputFormat vc1_demuxer = {
1040     "vc1",
1041     NULL_IF_CONFIG_SMALL("raw VC-1"),
1042     0,
1043     NULL /* vc1_probe */,
1044     video_read_header,
1045     raw_read_partial_packet,
1046     .extensions = "vc1",
1047     .value = CODEC_ID_VC1,
1048 };
1049 #endif
1050
1051 /* PCM formats */
1052
1053 #define PCMINPUTDEF(name, long_name, ext, codec) \
1054 AVInputFormat pcm_ ## name ## _demuxer = {\
1055     #name,\
1056     NULL_IF_CONFIG_SMALL(long_name),\
1057     0,\
1058     NULL,\
1059     raw_read_header,\
1060     raw_read_packet,\
1061     NULL,\
1062     pcm_read_seek,\
1063     .flags= AVFMT_GENERIC_INDEX,\
1064     .extensions = ext,\
1065     .value = codec,\
1066 };
1067
1068 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1069 AVOutputFormat pcm_ ## name ## _muxer = {\
1070     #name,\
1071     NULL_IF_CONFIG_SMALL(long_name),\
1072     NULL,\
1073     ext,\
1074     0,\
1075     codec,\
1076     CODEC_ID_NONE,\
1077     NULL,\
1078     raw_write_packet,\
1079     .flags= AVFMT_NOTIMESTAMPS,\
1080 };
1081
1082
1083 #if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1084 #define PCMDEF(name, long_name, ext, codec) \
1085         PCMINPUTDEF(name, long_name, ext, codec)
1086 #elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
1087 #define PCMDEF(name, long_name, ext, codec) \
1088         PCMOUTPUTDEF(name, long_name, ext, codec)
1089 #elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1090 #define PCMDEF(name, long_name, ext, codec) \
1091         PCMINPUTDEF(name, long_name, ext, codec)\
1092         PCMOUTPUTDEF(name, long_name, ext, codec)
1093 #else
1094 #define PCMDEF(name, long_name, ext, codec)
1095 #endif
1096
1097 #ifdef WORDS_BIGENDIAN
1098 #define BE_DEF(s) s
1099 #define LE_DEF(s) NULL
1100 #else
1101 #define BE_DEF(s) NULL
1102 #define LE_DEF(s) s
1103 #endif
1104
1105 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1106        NULL, CODEC_ID_PCM_F64BE)
1107
1108 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1109        NULL, CODEC_ID_PCM_F64LE)
1110
1111 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1112        NULL, CODEC_ID_PCM_F32BE)
1113
1114 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1115        NULL, CODEC_ID_PCM_F32LE)
1116
1117 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1118        NULL, CODEC_ID_PCM_S32BE)
1119
1120 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1121        NULL, CODEC_ID_PCM_S32LE)
1122
1123 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1124        NULL, CODEC_ID_PCM_S24BE)
1125
1126 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1127        NULL, CODEC_ID_PCM_S24LE)
1128
1129 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1130        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1131
1132 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1133        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1134
1135 PCMDEF(s8, "PCM signed 8 bit format",
1136        "sb", CODEC_ID_PCM_S8)
1137
1138 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1139        NULL, CODEC_ID_PCM_U32BE)
1140
1141 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1142        NULL, CODEC_ID_PCM_U32LE)
1143
1144 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1145        NULL, CODEC_ID_PCM_U24BE)
1146
1147 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1148        NULL, CODEC_ID_PCM_U24LE)
1149
1150 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1151        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1152
1153 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1154        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1155
1156 PCMDEF(u8, "PCM unsigned 8 bit format",
1157        "ub", CODEC_ID_PCM_U8)
1158
1159 PCMDEF(alaw, "PCM A-law format",
1160        "al", CODEC_ID_PCM_ALAW)
1161
1162 PCMDEF(mulaw, "PCM mu-law format",
1163        "ul", CODEC_ID_PCM_MULAW)