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