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
  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 #ifdef CONFIG_DNXHD_DEMUXER
 509 static int dnxhd_probe(AVProbeData *p)
 510 {
 511     static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
 512     if (!memcmp(p->buf, header, 5))
 513         return AVPROBE_SCORE_MAX;
 514     else
 515         return 0;
 516 }
 517 #endif
 518
 519 #if defined(CONFIG_AC3_DEMUXER) || defined(CONFIG_EAC3_DEMUXER)
 520 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 521 {
 522     int max_frames, first_frames = 0, frames;
 523     uint8_t *buf, *buf2, *end;
 524     AC3HeaderInfo hdr;
 525     GetBitContext gbc;
 526     enum CodecID codec_id = CODEC_ID_AC3;
 527
 528     max_frames = 0;
 529     buf = p->buf;
 530     end = buf + p->buf_size;
 531
 532     for(; buf < end; buf++) {
 533         buf2 = buf;
 534
 535         for(frames = 0; buf2 < end; frames++) {
 536             init_get_bits(&gbc, buf2, 54);
 537             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
 538                 break;
 539             if(buf2 + hdr.frame_size > end ||
 540                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
 541                 break;
 542             if (hdr.bitstream_id > 10)
 543                 codec_id = CODEC_ID_EAC3;
 544             buf2 += hdr.frame_size;
 545         }
 546         max_frames = FFMAX(max_frames, frames);
 547         if(buf == p->buf)
 548             first_frames = frames;
 549     }
 550     if(codec_id != expected_codec_id) return 0;
 551     if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
 552     else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
 553     else if(max_frames>=1) return 1;
 554     else                   return 0;
 555 }
 556 #endif
 557
 558 #ifdef CONFIG_AC3_DEMUXER
 559 static int ac3_probe(AVProbeData *p)
 560 {
 561     return ac3_eac3_probe(p, CODEC_ID_AC3);
 562 }
 563 #endif
 564
 565 #ifdef CONFIG_EAC3_DEMUXER
 566 static int eac3_probe(AVProbeData *p)
 567 {
 568     return ac3_eac3_probe(p, CODEC_ID_EAC3);
 569 }
 570 #endif
 571
 572 #ifdef CONFIG_FLAC_DEMUXER
 573 static int flac_probe(AVProbeData *p)
 574 {
 575     if(memcmp(p->buf, "fLaC", 4)) return 0;
 576     else                          return AVPROBE_SCORE_MAX / 2;
 577 }
 578 #endif
 579
 580 #ifdef CONFIG_AAC_DEMUXER
 581 static int adts_aac_probe(AVProbeData *p)
 582 {
 583     int max_frames = 0, first_frames = 0;
 584     int fsize, frames;
 585     uint8_t *buf2;
 586     uint8_t *buf = p->buf;
 587     uint8_t *end = buf + p->buf_size - 7;
 588
 589     for(; buf < end; buf= buf2+1) {
 590         buf2 = buf;
 591
 592         for(frames = 0; buf2 < end; frames++) {
 593             uint32_t header = AV_RB16(buf2);
 594             if((header&0xFFF6) != 0xFFF0)
 595                 break;
 596             fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
 597             if(fsize < 7)
 598                 break;
 599             buf2 += fsize;
 600         }
 601         max_frames = FFMAX(max_frames, frames);
 602         if(buf == p->buf)
 603             first_frames= frames;
 604     }
 605     if   (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
 606     else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
 607     else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
 608     else if(max_frames>=1) return 1;
 609     else                   return 0;
 610 }
 611 #endif
 612
 613 /* Note: Do not forget to add new entries to the Makefile as well. */
 614
 615 #ifdef CONFIG_AAC_DEMUXER
 616 AVInputFormat aac_demuxer = {
 617     "aac",
 618     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 619     0,
 620     adts_aac_probe,
 621     audio_read_header,
 622     raw_read_partial_packet,
 623     .flags= AVFMT_GENERIC_INDEX,
 624     .extensions = "aac",
 625     .value = CODEC_ID_AAC,
 626 };
 627 #endif
 628
 629 #ifdef CONFIG_AC3_DEMUXER
 630 AVInputFormat ac3_demuxer = {
 631     "ac3",
 632     NULL_IF_CONFIG_SMALL("raw AC-3"),
 633     0,
 634     ac3_probe,
 635     audio_read_header,
 636     raw_read_partial_packet,
 637     .flags= AVFMT_GENERIC_INDEX,
 638     .extensions = "ac3",
 639     .value = CODEC_ID_AC3,
 640 };
 641 #endif
 642
 643 #ifdef CONFIG_AC3_MUXER
 644 AVOutputFormat ac3_muxer = {
 645     "ac3",
 646     NULL_IF_CONFIG_SMALL("raw AC-3"),
 647     "audio/x-ac3",
 648     "ac3",
 649     0,
 650     CODEC_ID_AC3,
 651     CODEC_ID_NONE,
 652     NULL,
 653     raw_write_packet,
 654     .flags= AVFMT_NOTIMESTAMPS,
 655 };
 656 #endif
 657
 658 #ifdef CONFIG_DIRAC_DEMUXER
 659 AVInputFormat dirac_demuxer = {
 660     "dirac",
 661     NULL_IF_CONFIG_SMALL("raw Dirac"),
 662     0,
 663     dirac_probe,
 664     video_read_header,
 665     raw_read_partial_packet,
 666     .flags= AVFMT_GENERIC_INDEX,
 667     .value = CODEC_ID_DIRAC,
 668 };
 669 #endif
 670
 671 #ifdef CONFIG_DIRAC_MUXER
 672 AVOutputFormat dirac_muxer = {
 673     "dirac",
 674     NULL_IF_CONFIG_SMALL("raw Dirac"),
 675     NULL,
 676     "drc",
 677     0,
 678     CODEC_ID_NONE,
 679     CODEC_ID_DIRAC,
 680     NULL,
 681     raw_write_packet,
 682     .flags= AVFMT_NOTIMESTAMPS,
 683 };
 684 #endif
 685
 686 #ifdef CONFIG_DNXHD_DEMUXER
 687 AVInputFormat dnxhd_demuxer = {
 688     "dnxhd",
 689     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 690     0,
 691     dnxhd_probe,
 692     video_read_header,
 693     raw_read_partial_packet,
 694     .flags= AVFMT_GENERIC_INDEX,
 695     .value = CODEC_ID_DNXHD,
 696 };
 697 #endif
 698
 699 #ifdef CONFIG_DNXHD_MUXER
 700 AVOutputFormat dnxhd_muxer = {
 701     "dnxhd",
 702     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 703     NULL,
 704     "dnxhd",
 705     0,
 706     CODEC_ID_NONE,
 707     CODEC_ID_DNXHD,
 708     NULL,
 709     raw_write_packet,
 710     .flags= AVFMT_NOTIMESTAMPS,
 711 };
 712 #endif
 713
 714 #ifdef CONFIG_DTS_DEMUXER
 715 AVInputFormat dts_demuxer = {
 716     "dts",
 717     NULL_IF_CONFIG_SMALL("raw DTS"),
 718     0,
 719     dts_probe,
 720     audio_read_header,
 721     raw_read_partial_packet,
 722     .flags= AVFMT_GENERIC_INDEX,
 723     .extensions = "dts",
 724     .value = CODEC_ID_DTS,
 725 };
 726 #endif
 727
 728 #ifdef CONFIG_DTS_MUXER
 729 AVOutputFormat dts_muxer = {
 730     "dts",
 731     NULL_IF_CONFIG_SMALL("raw DTS"),
 732     "audio/x-dca",
 733     "dts",
 734     0,
 735     CODEC_ID_DTS,
 736     CODEC_ID_NONE,
 737     NULL,
 738     raw_write_packet,
 739     .flags= AVFMT_NOTIMESTAMPS,
 740 };
 741 #endif
 742
 743 #ifdef CONFIG_EAC3_DEMUXER
 744 AVInputFormat eac3_demuxer = {
 745     "eac3",
 746     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 747     0,
 748     eac3_probe,
 749     audio_read_header,
 750     raw_read_partial_packet,
 751     .flags= AVFMT_GENERIC_INDEX,
 752     .extensions = "eac3",
 753     .value = CODEC_ID_EAC3,
 754 };
 755 #endif
 756
 757 #ifdef CONFIG_EAC3_MUXER
 758 AVOutputFormat eac3_muxer = {
 759     "eac3",
 760     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 761     "audio/x-eac3",
 762     "eac3",
 763     0,
 764     CODEC_ID_EAC3,
 765     CODEC_ID_NONE,
 766     NULL,
 767     raw_write_packet,
 768     .flags= AVFMT_NOTIMESTAMPS,
 769 };
 770 #endif
 771
 772 #ifdef CONFIG_FLAC_DEMUXER
 773 AVInputFormat flac_demuxer = {
 774     "flac",
 775     NULL_IF_CONFIG_SMALL("raw FLAC"),
 776     0,
 777     flac_probe,
 778     audio_read_header,
 779     raw_read_partial_packet,
 780     .flags= AVFMT_GENERIC_INDEX,
 781     .extensions = "flac",
 782     .value = CODEC_ID_FLAC,
 783 };
 784 #endif
 785
 786 #ifdef CONFIG_FLAC_MUXER
 787 AVOutputFormat flac_muxer = {
 788     "flac",
 789     NULL_IF_CONFIG_SMALL("raw FLAC"),
 790     "audio/x-flac",
 791     "flac",
 792     0,
 793     CODEC_ID_FLAC,
 794     CODEC_ID_NONE,
 795     flac_write_header,
 796     raw_write_packet,
 797     flac_write_trailer,
 798     .flags= AVFMT_NOTIMESTAMPS,
 799 };
 800 #endif
 801
 802 #ifdef CONFIG_GSM_DEMUXER
 803 AVInputFormat gsm_demuxer = {
 804     "gsm",
 805     NULL_IF_CONFIG_SMALL("GSM"),
 806     0,
 807     NULL,
 808     audio_read_header,
 809     raw_read_partial_packet,
 810     .flags= AVFMT_GENERIC_INDEX,
 811     .extensions = "gsm",
 812     .value = CODEC_ID_GSM,
 813 };
 814 #endif
 815
 816 #ifdef CONFIG_H261_DEMUXER
 817 AVInputFormat h261_demuxer = {
 818     "h261",
 819     NULL_IF_CONFIG_SMALL("raw H.261"),
 820     0,
 821     h261_probe,
 822     video_read_header,
 823     raw_read_partial_packet,
 824     .flags= AVFMT_GENERIC_INDEX,
 825     .extensions = "h261",
 826     .value = CODEC_ID_H261,
 827 };
 828 #endif
 829
 830 #ifdef CONFIG_H261_MUXER
 831 AVOutputFormat h261_muxer = {
 832     "h261",
 833     NULL_IF_CONFIG_SMALL("raw H.261"),
 834     "video/x-h261",
 835     "h261",
 836     0,
 837     CODEC_ID_NONE,
 838     CODEC_ID_H261,
 839     NULL,
 840     raw_write_packet,
 841     .flags= AVFMT_NOTIMESTAMPS,
 842 };
 843 #endif
 844
 845 #ifdef CONFIG_H263_DEMUXER
 846 AVInputFormat h263_demuxer = {
 847     "h263",
 848     NULL_IF_CONFIG_SMALL("raw H.263"),
 849     0,
 850     h263_probe,
 851     video_read_header,
 852     raw_read_partial_packet,
 853     .flags= AVFMT_GENERIC_INDEX,
 854 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 855     .value = CODEC_ID_H263,
 856 };
 857 #endif
 858
 859 #ifdef CONFIG_H263_MUXER
 860 AVOutputFormat h263_muxer = {
 861     "h263",
 862     NULL_IF_CONFIG_SMALL("raw H.263"),
 863     "video/x-h263",
 864     "h263",
 865     0,
 866     CODEC_ID_NONE,
 867     CODEC_ID_H263,
 868     NULL,
 869     raw_write_packet,
 870     .flags= AVFMT_NOTIMESTAMPS,
 871 };
 872 #endif
 873
 874 #ifdef CONFIG_H264_DEMUXER
 875 AVInputFormat h264_demuxer = {
 876     "h264",
 877     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 878     0,
 879     h264_probe,
 880     video_read_header,
 881     raw_read_partial_packet,
 882     .flags= AVFMT_GENERIC_INDEX,
 883     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
 884     .value = CODEC_ID_H264,
 885 };
 886 #endif
 887
 888 #ifdef CONFIG_H264_MUXER
 889 AVOutputFormat h264_muxer = {
 890     "h264",
 891     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 892     NULL,
 893     "h264",
 894     0,
 895     CODEC_ID_NONE,
 896     CODEC_ID_H264,
 897     NULL,
 898     raw_write_packet,
 899     .flags= AVFMT_NOTIMESTAMPS,
 900 };
 901 #endif
 902
 903 #ifdef CONFIG_INGENIENT_DEMUXER
 904 AVInputFormat ingenient_demuxer = {
 905     "ingenient",
 906     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 907     0,
 908     NULL,
 909     video_read_header,
 910     ingenient_read_packet,
 911     .flags= AVFMT_GENERIC_INDEX,
 912     .extensions = "cgi", // FIXME
 913     .value = CODEC_ID_MJPEG,
 914 };
 915 #endif
 916
 917 #ifdef CONFIG_M4V_DEMUXER
 918 AVInputFormat m4v_demuxer = {
 919     "m4v",
 920     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 921     0,
 922     mpeg4video_probe, /** probing for MPEG-4 data */
 923     video_read_header,
 924     raw_read_partial_packet,
 925     .flags= AVFMT_GENERIC_INDEX,
 926     .extensions = "m4v", //FIXME remove after writing mpeg4_probe
 927     .value = CODEC_ID_MPEG4,
 928 };
 929 #endif
 930
 931 #ifdef CONFIG_M4V_MUXER
 932 AVOutputFormat m4v_muxer = {
 933     "m4v",
 934     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 935     NULL,
 936     "m4v",
 937     0,
 938     CODEC_ID_NONE,
 939     CODEC_ID_MPEG4,
 940     NULL,
 941     raw_write_packet,
 942     .flags= AVFMT_NOTIMESTAMPS,
 943 };
 944 #endif
 945
 946 #ifdef CONFIG_MJPEG_DEMUXER
 947 AVInputFormat mjpeg_demuxer = {
 948     "mjpeg",
 949     NULL_IF_CONFIG_SMALL("MJPEG video"),
 950     0,
 951     NULL,
 952     video_read_header,
 953     raw_read_partial_packet,
 954     .flags= AVFMT_GENERIC_INDEX,
 955     .extensions = "mjpg,mjpeg",
 956     .value = CODEC_ID_MJPEG,
 957 };
 958 #endif
 959
 960 #ifdef CONFIG_MJPEG_MUXER
 961 AVOutputFormat mjpeg_muxer = {
 962     "mjpeg",
 963     NULL_IF_CONFIG_SMALL("MJPEG video"),
 964     "video/x-mjpeg",
 965     "mjpg,mjpeg",
 966     0,
 967     CODEC_ID_NONE,
 968     CODEC_ID_MJPEG,
 969     NULL,
 970     raw_write_packet,
 971     .flags= AVFMT_NOTIMESTAMPS,
 972 };
 973 #endif
 974
 975 #ifdef CONFIG_MLP_DEMUXER
 976 AVInputFormat mlp_demuxer = {
 977     "mlp",
 978     NULL_IF_CONFIG_SMALL("raw MLP"),
 979     0,
 980     NULL,
 981     audio_read_header,
 982     raw_read_partial_packet,
 983     .flags= AVFMT_GENERIC_INDEX,
 984     .extensions = "mlp",
 985     .value = CODEC_ID_MLP,
 986 };
 987 #endif
 988
 989 #ifdef CONFIG_MPEG1VIDEO_MUXER
 990 AVOutputFormat mpeg1video_muxer = {
 991     "mpeg1video",
 992     NULL_IF_CONFIG_SMALL("MPEG video"),
 993     "video/x-mpeg",
 994     "mpg,mpeg,m1v",
 995     0,
 996     CODEC_ID_NONE,
 997     CODEC_ID_MPEG1VIDEO,
 998     NULL,
 999     raw_write_packet,
1000     .flags= AVFMT_NOTIMESTAMPS,
1001 };
1002 #endif
1003
1004 #ifdef CONFIG_MPEG2VIDEO_MUXER
1005 AVOutputFormat mpeg2video_muxer = {
1006     "mpeg2video",
1007     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1008     NULL,
1009     "m2v",
1010     0,
1011     CODEC_ID_NONE,
1012     CODEC_ID_MPEG2VIDEO,
1013     NULL,
1014     raw_write_packet,
1015     .flags= AVFMT_NOTIMESTAMPS,
1016 };
1017 #endif
1018
1019 #ifdef CONFIG_MPEGVIDEO_DEMUXER
1020 AVInputFormat mpegvideo_demuxer = {
1021     "mpegvideo",
1022     NULL_IF_CONFIG_SMALL("MPEG video"),
1023     0,
1024     mpegvideo_probe,
1025     video_read_header,
1026     raw_read_partial_packet,
1027     .flags= AVFMT_GENERIC_INDEX,
1028     .value = CODEC_ID_MPEG1VIDEO,
1029 };
1030 #endif
1031
1032 #ifdef CONFIG_NULL_MUXER
1033 AVOutputFormat null_muxer = {
1034     "null",
1035     NULL_IF_CONFIG_SMALL("null video format"),
1036     NULL,
1037     NULL,
1038     0,
1039 #ifdef WORDS_BIGENDIAN
1040     CODEC_ID_PCM_S16BE,
1041 #else
1042     CODEC_ID_PCM_S16LE,
1043 #endif
1044     CODEC_ID_RAWVIDEO,
1045     NULL,
1046     null_write_packet,
1047     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1048 };
1049 #endif
1050
1051 #ifdef CONFIG_RAWVIDEO_DEMUXER
1052 AVInputFormat rawvideo_demuxer = {
1053     "rawvideo",
1054     NULL_IF_CONFIG_SMALL("raw video format"),
1055     0,
1056     NULL,
1057     raw_read_header,
1058     rawvideo_read_packet,
1059     .flags= AVFMT_GENERIC_INDEX,
1060     .extensions = "yuv,cif,qcif,rgb",
1061     .value = CODEC_ID_RAWVIDEO,
1062 };
1063 #endif
1064
1065 #ifdef CONFIG_RAWVIDEO_MUXER
1066 AVOutputFormat rawvideo_muxer = {
1067     "rawvideo",
1068     NULL_IF_CONFIG_SMALL("raw video format"),
1069     NULL,
1070     "yuv,rgb",
1071     0,
1072     CODEC_ID_NONE,
1073     CODEC_ID_RAWVIDEO,
1074     NULL,
1075     raw_write_packet,
1076     .flags= AVFMT_NOTIMESTAMPS,
1077 };
1078 #endif
1079
1080 #ifdef CONFIG_ROQ_MUXER
1081 AVOutputFormat roq_muxer =
1082 {
1083     "RoQ",
1084     NULL_IF_CONFIG_SMALL("id RoQ format"),
1085     NULL,
1086     "roq",
1087     0,
1088     CODEC_ID_ROQ_DPCM,
1089     CODEC_ID_ROQ,
1090     roq_write_header,
1091     raw_write_packet,
1092 };
1093 #endif
1094
1095 #ifdef CONFIG_SHORTEN_DEMUXER
1096 AVInputFormat shorten_demuxer = {
1097     "shn",
1098     NULL_IF_CONFIG_SMALL("raw Shorten"),
1099     0,
1100     NULL,
1101     audio_read_header,
1102     raw_read_partial_packet,
1103     .flags= AVFMT_GENERIC_INDEX,
1104     .extensions = "shn",
1105     .value = CODEC_ID_SHORTEN,
1106 };
1107 #endif
1108
1109 #ifdef CONFIG_VC1_DEMUXER
1110 AVInputFormat vc1_demuxer = {
1111     "vc1",
1112     NULL_IF_CONFIG_SMALL("raw VC-1"),
1113     0,
1114     NULL /* vc1_probe */,
1115     video_read_header,
1116     raw_read_partial_packet,
1117     .extensions = "vc1",
1118     .value = CODEC_ID_VC1,
1119 };
1120 #endif
1121
1122 /* PCM formats */
1123
1124 #define PCMINPUTDEF(name, long_name, ext, codec) \
1125 AVInputFormat pcm_ ## name ## _demuxer = {\
1126     #name,\
1127     NULL_IF_CONFIG_SMALL(long_name),\
1128     0,\
1129     NULL,\
1130     raw_read_header,\
1131     raw_read_packet,\
1132     NULL,\
1133     pcm_read_seek,\
1134     .flags= AVFMT_GENERIC_INDEX,\
1135     .extensions = ext,\
1136     .value = codec,\
1137 };
1138
1139 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1140 AVOutputFormat pcm_ ## name ## _muxer = {\
1141     #name,\
1142     NULL_IF_CONFIG_SMALL(long_name),\
1143     NULL,\
1144     ext,\
1145     0,\
1146     codec,\
1147     CODEC_ID_NONE,\
1148     NULL,\
1149     raw_write_packet,\
1150     .flags= AVFMT_NOTIMESTAMPS,\
1151 };
1152
1153
1154 #if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1155 #define PCMDEF(name, long_name, ext, codec) \
1156         PCMINPUTDEF(name, long_name, ext, codec)
1157 #elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
1158 #define PCMDEF(name, long_name, ext, codec) \
1159         PCMOUTPUTDEF(name, long_name, ext, codec)
1160 #elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1161 #define PCMDEF(name, long_name, ext, codec) \
1162         PCMINPUTDEF(name, long_name, ext, codec)\
1163         PCMOUTPUTDEF(name, long_name, ext, codec)
1164 #else
1165 #define PCMDEF(name, long_name, ext, codec)
1166 #endif
1167
1168 #ifdef WORDS_BIGENDIAN
1169 #define BE_DEF(s) s
1170 #define LE_DEF(s) NULL
1171 #else
1172 #define BE_DEF(s) NULL
1173 #define LE_DEF(s) s
1174 #endif
1175
1176 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1177        NULL, CODEC_ID_PCM_F64BE)
1178
1179 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1180        NULL, CODEC_ID_PCM_F64LE)
1181
1182 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1183        NULL, CODEC_ID_PCM_F32BE)
1184
1185 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1186        NULL, CODEC_ID_PCM_F32LE)
1187
1188 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1189        NULL, CODEC_ID_PCM_S32BE)
1190
1191 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1192        NULL, CODEC_ID_PCM_S32LE)
1193
1194 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1195        NULL, CODEC_ID_PCM_S24BE)
1196
1197 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1198        NULL, CODEC_ID_PCM_S24LE)
1199
1200 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1201        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1202
1203 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1204        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1205
1206 PCMDEF(s8, "PCM signed 8 bit format",
1207        "sb", CODEC_ID_PCM_S8)
1208
1209 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1210        NULL, CODEC_ID_PCM_U32BE)
1211
1212 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1213        NULL, CODEC_ID_PCM_U32LE)
1214
1215 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1216        NULL, CODEC_ID_PCM_U24BE)
1217
1218 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1219        NULL, CODEC_ID_PCM_U24LE)
1220
1221 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1222        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1223
1224 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1225        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1226
1227 PCMDEF(u8, "PCM unsigned 8 bit format",
1228        "ub", CODEC_ID_PCM_U8)
1229
1230 PCMDEF(alaw, "PCM A-law format",
1231        "al", CODEC_ID_PCM_ALAW)
1232
1233 PCMDEF(mulaw, "PCM mu-law format",
1234        "ul", CODEC_ID_PCM_MULAW)