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 #if defined(CONFIG_AC3_DEMUXER) || defined(CONFIG_EAC3_DEMUXER)
 491 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 492 {
 493     int max_frames, first_frames = 0, frames;
 494     uint8_t *buf, *buf2, *end;
 495     AC3HeaderInfo hdr;
 496     GetBitContext gbc;
 497     enum CodecID codec_id = CODEC_ID_AC3;
 498
 499     max_frames = 0;
 500     buf = p->buf;
 501     end = buf + p->buf_size;
 502
 503     for(; buf < end; buf++) {
 504         buf2 = buf;
 505
 506         for(frames = 0; buf2 < end; frames++) {
 507             init_get_bits(&gbc, buf2, 54);
 508             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
 509                 break;
 510             if(buf2 + hdr.frame_size > end ||
 511                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
 512                 break;
 513             if (hdr.bitstream_id > 10)
 514                 codec_id = CODEC_ID_EAC3;
 515             buf2 += hdr.frame_size;
 516         }
 517         max_frames = FFMAX(max_frames, frames);
 518         if(buf == p->buf)
 519             first_frames = frames;
 520     }
 521     if(codec_id != expected_codec_id) return 0;
 522     if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
 523     else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
 524     else if(max_frames>=1) return 1;
 525     else                   return 0;
 526 }
 527 #endif
 528
 529 #ifdef CONFIG_AC3_DEMUXER
 530 static int ac3_probe(AVProbeData *p)
 531 {
 532     return ac3_eac3_probe(p, CODEC_ID_AC3);
 533 }
 534 #endif
 535
 536 #ifdef CONFIG_EAC3_DEMUXER
 537 static int eac3_probe(AVProbeData *p)
 538 {
 539     return ac3_eac3_probe(p, CODEC_ID_EAC3);
 540 }
 541 #endif
 542
 543 #ifdef CONFIG_FLAC_DEMUXER
 544 static int flac_probe(AVProbeData *p)
 545 {
 546     if(memcmp(p->buf, "fLaC", 4)) return 0;
 547     else                          return AVPROBE_SCORE_MAX / 2;
 548 }
 549 #endif
 550
 551
 552 /* Note: Do not forget to add new entries to the Makefile as well. */
 553
 554 #ifdef CONFIG_AAC_DEMUXER
 555 AVInputFormat aac_demuxer = {
 556     "aac",
 557     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 558     0,
 559     NULL,
 560     audio_read_header,
 561     raw_read_partial_packet,
 562     .flags= AVFMT_GENERIC_INDEX,
 563     .extensions = "aac",
 564     .value = CODEC_ID_AAC,
 565 };
 566 #endif
 567
 568 #ifdef CONFIG_AC3_DEMUXER
 569 AVInputFormat ac3_demuxer = {
 570     "ac3",
 571     NULL_IF_CONFIG_SMALL("raw AC-3"),
 572     0,
 573     ac3_probe,
 574     audio_read_header,
 575     raw_read_partial_packet,
 576     .flags= AVFMT_GENERIC_INDEX,
 577     .extensions = "ac3",
 578     .value = CODEC_ID_AC3,
 579 };
 580 #endif
 581
 582 #ifdef CONFIG_AC3_MUXER
 583 AVOutputFormat ac3_muxer = {
 584     "ac3",
 585     NULL_IF_CONFIG_SMALL("raw AC-3"),
 586     "audio/x-ac3",
 587     "ac3",
 588     0,
 589     CODEC_ID_AC3,
 590     CODEC_ID_NONE,
 591     NULL,
 592     raw_write_packet,
 593     .flags= AVFMT_NOTIMESTAMPS,
 594 };
 595 #endif
 596
 597 #ifdef CONFIG_DIRAC_DEMUXER
 598 AVInputFormat dirac_demuxer = {
 599     "dirac",
 600     NULL_IF_CONFIG_SMALL("raw Dirac"),
 601     0,
 602     dirac_probe,
 603     video_read_header,
 604     raw_read_partial_packet,
 605     .flags= AVFMT_GENERIC_INDEX,
 606     .value = CODEC_ID_DIRAC,
 607 };
 608 #endif
 609
 610 #ifdef CONFIG_DIRAC_MUXER
 611 AVOutputFormat dirac_muxer = {
 612     "dirac",
 613     NULL_IF_CONFIG_SMALL("raw Dirac"),
 614     NULL,
 615     "drc",
 616     0,
 617     CODEC_ID_NONE,
 618     CODEC_ID_DIRAC,
 619     NULL,
 620     raw_write_packet,
 621     .flags= AVFMT_NOTIMESTAMPS,
 622 };
 623 #endif
 624
 625 #ifdef CONFIG_DTS_DEMUXER
 626 AVInputFormat dts_demuxer = {
 627     "dts",
 628     NULL_IF_CONFIG_SMALL("raw DTS"),
 629     0,
 630     dts_probe,
 631     audio_read_header,
 632     raw_read_partial_packet,
 633     .flags= AVFMT_GENERIC_INDEX,
 634     .extensions = "dts",
 635     .value = CODEC_ID_DTS,
 636 };
 637 #endif
 638
 639 #ifdef CONFIG_DTS_MUXER
 640 AVOutputFormat dts_muxer = {
 641     "dts",
 642     NULL_IF_CONFIG_SMALL("raw DTS"),
 643     "audio/x-dca",
 644     "dts",
 645     0,
 646     CODEC_ID_DTS,
 647     CODEC_ID_NONE,
 648     NULL,
 649     raw_write_packet,
 650     .flags= AVFMT_NOTIMESTAMPS,
 651 };
 652 #endif
 653
 654 #ifdef CONFIG_EAC3_DEMUXER
 655 AVInputFormat eac3_demuxer = {
 656     "eac3",
 657     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 658     0,
 659     eac3_probe,
 660     audio_read_header,
 661     raw_read_partial_packet,
 662     .flags= AVFMT_GENERIC_INDEX,
 663     .extensions = "eac3",
 664     .value = CODEC_ID_EAC3,
 665 };
 666 #endif
 667
 668 #ifdef CONFIG_EAC3_MUXER
 669 AVOutputFormat eac3_muxer = {
 670     "eac3",
 671     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 672     "audio/x-eac3",
 673     "eac3",
 674     0,
 675     CODEC_ID_EAC3,
 676     CODEC_ID_NONE,
 677     NULL,
 678     raw_write_packet,
 679     .flags= AVFMT_NOTIMESTAMPS,
 680 };
 681 #endif
 682
 683 #ifdef CONFIG_FLAC_DEMUXER
 684 AVInputFormat flac_demuxer = {
 685     "flac",
 686     NULL_IF_CONFIG_SMALL("raw FLAC"),
 687     0,
 688     flac_probe,
 689     audio_read_header,
 690     raw_read_partial_packet,
 691     .flags= AVFMT_GENERIC_INDEX,
 692     .extensions = "flac",
 693     .value = CODEC_ID_FLAC,
 694 };
 695 #endif
 696
 697 #ifdef CONFIG_FLAC_MUXER
 698 AVOutputFormat flac_muxer = {
 699     "flac",
 700     NULL_IF_CONFIG_SMALL("raw FLAC"),
 701     "audio/x-flac",
 702     "flac",
 703     0,
 704     CODEC_ID_FLAC,
 705     CODEC_ID_NONE,
 706     flac_write_header,
 707     raw_write_packet,
 708     .flags= AVFMT_NOTIMESTAMPS,
 709 };
 710 #endif
 711
 712 #ifdef CONFIG_GSM_DEMUXER
 713 AVInputFormat gsm_demuxer = {
 714     "gsm",
 715     NULL_IF_CONFIG_SMALL("GSM"),
 716     0,
 717     NULL,
 718     audio_read_header,
 719     raw_read_partial_packet,
 720     .flags= AVFMT_GENERIC_INDEX,
 721     .extensions = "gsm",
 722     .value = CODEC_ID_GSM,
 723 };
 724 #endif
 725
 726 #ifdef CONFIG_H261_DEMUXER
 727 AVInputFormat h261_demuxer = {
 728     "h261",
 729     NULL_IF_CONFIG_SMALL("raw H.261"),
 730     0,
 731     h261_probe,
 732     video_read_header,
 733     raw_read_partial_packet,
 734     .flags= AVFMT_GENERIC_INDEX,
 735     .extensions = "h261",
 736     .value = CODEC_ID_H261,
 737 };
 738 #endif
 739
 740 #ifdef CONFIG_H261_MUXER
 741 AVOutputFormat h261_muxer = {
 742     "h261",
 743     NULL_IF_CONFIG_SMALL("raw H.261"),
 744     "video/x-h261",
 745     "h261",
 746     0,
 747     CODEC_ID_NONE,
 748     CODEC_ID_H261,
 749     NULL,
 750     raw_write_packet,
 751     .flags= AVFMT_NOTIMESTAMPS,
 752 };
 753 #endif
 754
 755 #ifdef CONFIG_H263_DEMUXER
 756 AVInputFormat h263_demuxer = {
 757     "h263",
 758     NULL_IF_CONFIG_SMALL("raw H.263"),
 759     0,
 760     h263_probe,
 761     video_read_header,
 762     raw_read_partial_packet,
 763     .flags= AVFMT_GENERIC_INDEX,
 764 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 765     .value = CODEC_ID_H263,
 766 };
 767 #endif
 768
 769 #ifdef CONFIG_H263_MUXER
 770 AVOutputFormat h263_muxer = {
 771     "h263",
 772     NULL_IF_CONFIG_SMALL("raw H.263"),
 773     "video/x-h263",
 774     "h263",
 775     0,
 776     CODEC_ID_NONE,
 777     CODEC_ID_H263,
 778     NULL,
 779     raw_write_packet,
 780     .flags= AVFMT_NOTIMESTAMPS,
 781 };
 782 #endif
 783
 784 #ifdef CONFIG_H264_DEMUXER
 785 AVInputFormat h264_demuxer = {
 786     "h264",
 787     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 788     0,
 789     h264_probe,
 790     video_read_header,
 791     raw_read_partial_packet,
 792     .flags= AVFMT_GENERIC_INDEX,
 793     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
 794     .value = CODEC_ID_H264,
 795 };
 796 #endif
 797
 798 #ifdef CONFIG_H264_MUXER
 799 AVOutputFormat h264_muxer = {
 800     "h264",
 801     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 802     NULL,
 803     "h264",
 804     0,
 805     CODEC_ID_NONE,
 806     CODEC_ID_H264,
 807     NULL,
 808     raw_write_packet,
 809     .flags= AVFMT_NOTIMESTAMPS,
 810 };
 811 #endif
 812
 813 #ifdef CONFIG_INGENIENT_DEMUXER
 814 AVInputFormat ingenient_demuxer = {
 815     "ingenient",
 816     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 817     0,
 818     NULL,
 819     video_read_header,
 820     ingenient_read_packet,
 821     .flags= AVFMT_GENERIC_INDEX,
 822     .extensions = "cgi", // FIXME
 823     .value = CODEC_ID_MJPEG,
 824 };
 825 #endif
 826
 827 #ifdef CONFIG_M4V_DEMUXER
 828 AVInputFormat m4v_demuxer = {
 829     "m4v",
 830     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 831     0,
 832     mpeg4video_probe, /** probing for MPEG-4 data */
 833     video_read_header,
 834     raw_read_partial_packet,
 835     .flags= AVFMT_GENERIC_INDEX,
 836     .extensions = "m4v", //FIXME remove after writing mpeg4_probe
 837     .value = CODEC_ID_MPEG4,
 838 };
 839 #endif
 840
 841 #ifdef CONFIG_M4V_MUXER
 842 AVOutputFormat m4v_muxer = {
 843     "m4v",
 844     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 845     NULL,
 846     "m4v",
 847     0,
 848     CODEC_ID_NONE,
 849     CODEC_ID_MPEG4,
 850     NULL,
 851     raw_write_packet,
 852     .flags= AVFMT_NOTIMESTAMPS,
 853 };
 854 #endif
 855
 856 #ifdef CONFIG_MJPEG_DEMUXER
 857 AVInputFormat mjpeg_demuxer = {
 858     "mjpeg",
 859     NULL_IF_CONFIG_SMALL("MJPEG video"),
 860     0,
 861     NULL,
 862     video_read_header,
 863     raw_read_partial_packet,
 864     .flags= AVFMT_GENERIC_INDEX,
 865     .extensions = "mjpg,mjpeg",
 866     .value = CODEC_ID_MJPEG,
 867 };
 868 #endif
 869
 870 #ifdef CONFIG_MJPEG_MUXER
 871 AVOutputFormat mjpeg_muxer = {
 872     "mjpeg",
 873     NULL_IF_CONFIG_SMALL("MJPEG video"),
 874     "video/x-mjpeg",
 875     "mjpg,mjpeg",
 876     0,
 877     CODEC_ID_NONE,
 878     CODEC_ID_MJPEG,
 879     NULL,
 880     raw_write_packet,
 881     .flags= AVFMT_NOTIMESTAMPS,
 882 };
 883 #endif
 884
 885 #ifdef CONFIG_MLP_DEMUXER
 886 AVInputFormat mlp_demuxer = {
 887     "mlp",
 888     NULL_IF_CONFIG_SMALL("raw MLP"),
 889     0,
 890     NULL,
 891     audio_read_header,
 892     raw_read_partial_packet,
 893     .flags= AVFMT_GENERIC_INDEX,
 894     .extensions = "mlp",
 895     .value = CODEC_ID_MLP,
 896 };
 897 #endif
 898
 899 #ifdef CONFIG_MPEG1VIDEO_MUXER
 900 AVOutputFormat mpeg1video_muxer = {
 901     "mpeg1video",
 902     NULL_IF_CONFIG_SMALL("MPEG video"),
 903     "video/x-mpeg",
 904     "mpg,mpeg,m1v",
 905     0,
 906     CODEC_ID_NONE,
 907     CODEC_ID_MPEG1VIDEO,
 908     NULL,
 909     raw_write_packet,
 910     .flags= AVFMT_NOTIMESTAMPS,
 911 };
 912 #endif
 913
 914 #ifdef CONFIG_MPEG2VIDEO_MUXER
 915 AVOutputFormat mpeg2video_muxer = {
 916     "mpeg2video",
 917     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
 918     NULL,
 919     "m2v",
 920     0,
 921     CODEC_ID_NONE,
 922     CODEC_ID_MPEG2VIDEO,
 923     NULL,
 924     raw_write_packet,
 925     .flags= AVFMT_NOTIMESTAMPS,
 926 };
 927 #endif
 928
 929 #ifdef CONFIG_MPEGVIDEO_DEMUXER
 930 AVInputFormat mpegvideo_demuxer = {
 931     "mpegvideo",
 932     NULL_IF_CONFIG_SMALL("MPEG video"),
 933     0,
 934     mpegvideo_probe,
 935     video_read_header,
 936     raw_read_partial_packet,
 937     .flags= AVFMT_GENERIC_INDEX,
 938     .value = CODEC_ID_MPEG1VIDEO,
 939 };
 940 #endif
 941
 942 #ifdef CONFIG_NULL_MUXER
 943 AVOutputFormat null_muxer = {
 944     "null",
 945     NULL_IF_CONFIG_SMALL("null video format"),
 946     NULL,
 947     NULL,
 948     0,
 949 #ifdef WORDS_BIGENDIAN
 950     CODEC_ID_PCM_S16BE,
 951 #else
 952     CODEC_ID_PCM_S16LE,
 953 #endif
 954     CODEC_ID_RAWVIDEO,
 955     NULL,
 956     null_write_packet,
 957     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
 958 };
 959 #endif
 960
 961 #ifdef CONFIG_RAWVIDEO_DEMUXER
 962 AVInputFormat rawvideo_demuxer = {
 963     "rawvideo",
 964     NULL_IF_CONFIG_SMALL("raw video format"),
 965     0,
 966     NULL,
 967     raw_read_header,
 968     rawvideo_read_packet,
 969     .flags= AVFMT_GENERIC_INDEX,
 970     .extensions = "yuv,cif,qcif,rgb",
 971     .value = CODEC_ID_RAWVIDEO,
 972 };
 973 #endif
 974
 975 #ifdef CONFIG_RAWVIDEO_MUXER
 976 AVOutputFormat rawvideo_muxer = {
 977     "rawvideo",
 978     NULL_IF_CONFIG_SMALL("raw video format"),
 979     NULL,
 980     "yuv,rgb",
 981     0,
 982     CODEC_ID_NONE,
 983     CODEC_ID_RAWVIDEO,
 984     NULL,
 985     raw_write_packet,
 986     .flags= AVFMT_NOTIMESTAMPS,
 987 };
 988 #endif
 989
 990 #ifdef CONFIG_ROQ_MUXER
 991 AVOutputFormat roq_muxer =
 992 {
 993     "RoQ",
 994     NULL_IF_CONFIG_SMALL("id RoQ format"),
 995     NULL,
 996     "roq",
 997     0,
 998     CODEC_ID_ROQ_DPCM,
 999     CODEC_ID_ROQ,
1000     roq_write_header,
1001     raw_write_packet,
1002 };
1003 #endif
1004
1005 #ifdef CONFIG_SHORTEN_DEMUXER
1006 AVInputFormat shorten_demuxer = {
1007     "shn",
1008     NULL_IF_CONFIG_SMALL("raw Shorten"),
1009     0,
1010     NULL,
1011     audio_read_header,
1012     raw_read_partial_packet,
1013     .flags= AVFMT_GENERIC_INDEX,
1014     .extensions = "shn",
1015     .value = CODEC_ID_SHORTEN,
1016 };
1017 #endif
1018
1019 #ifdef CONFIG_VC1_DEMUXER
1020 AVInputFormat vc1_demuxer = {
1021     "vc1",
1022     NULL_IF_CONFIG_SMALL("raw VC-1"),
1023     0,
1024     NULL /* vc1_probe */,
1025     video_read_header,
1026     raw_read_partial_packet,
1027     .extensions = "vc1",
1028     .value = CODEC_ID_VC1,
1029 };
1030 #endif
1031
1032 /* PCM formats */
1033
1034 #define PCMINPUTDEF(name, long_name, ext, codec) \
1035 AVInputFormat pcm_ ## name ## _demuxer = {\
1036     #name,\
1037     NULL_IF_CONFIG_SMALL(long_name),\
1038     0,\
1039     NULL,\
1040     raw_read_header,\
1041     raw_read_packet,\
1042     NULL,\
1043     pcm_read_seek,\
1044     .flags= AVFMT_GENERIC_INDEX,\
1045     .extensions = ext,\
1046     .value = codec,\
1047 };
1048
1049 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1050 AVOutputFormat pcm_ ## name ## _muxer = {\
1051     #name,\
1052     NULL_IF_CONFIG_SMALL(long_name),\
1053     NULL,\
1054     ext,\
1055     0,\
1056     codec,\
1057     CODEC_ID_NONE,\
1058     NULL,\
1059     raw_write_packet,\
1060     .flags= AVFMT_NOTIMESTAMPS,\
1061 };
1062
1063
1064 #if !defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1065 #define PCMDEF(name, long_name, ext, codec) \
1066         PCMINPUTDEF(name, long_name, ext, codec)
1067 #elif defined(CONFIG_MUXERS) && !defined(CONFIG_DEMUXERS)
1068 #define PCMDEF(name, long_name, ext, codec) \
1069         PCMOUTPUTDEF(name, long_name, ext, codec)
1070 #elif defined(CONFIG_MUXERS) && defined(CONFIG_DEMUXERS)
1071 #define PCMDEF(name, long_name, ext, codec) \
1072         PCMINPUTDEF(name, long_name, ext, codec)\
1073         PCMOUTPUTDEF(name, long_name, ext, codec)
1074 #else
1075 #define PCMDEF(name, long_name, ext, codec)
1076 #endif
1077
1078 #ifdef WORDS_BIGENDIAN
1079 #define BE_DEF(s) s
1080 #define LE_DEF(s) NULL
1081 #else
1082 #define BE_DEF(s) NULL
1083 #define LE_DEF(s) s
1084 #endif
1085
1086 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1087        NULL, CODEC_ID_PCM_F64BE)
1088
1089 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1090        NULL, CODEC_ID_PCM_F64LE)
1091
1092 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1093        NULL, CODEC_ID_PCM_F32BE)
1094
1095 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1096        NULL, CODEC_ID_PCM_F32LE)
1097
1098 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1099        NULL, CODEC_ID_PCM_S32BE)
1100
1101 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1102        NULL, CODEC_ID_PCM_S32LE)
1103
1104 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1105        NULL, CODEC_ID_PCM_S24BE)
1106
1107 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1108        NULL, CODEC_ID_PCM_S24LE)
1109
1110 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1111        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1112
1113 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1114        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1115
1116 PCMDEF(s8, "PCM signed 8 bit format",
1117        "sb", CODEC_ID_PCM_S8)
1118
1119 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1120        NULL, CODEC_ID_PCM_U32BE)
1121
1122 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1123        NULL, CODEC_ID_PCM_U32LE)
1124
1125 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1126        NULL, CODEC_ID_PCM_U24BE)
1127
1128 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1129        NULL, CODEC_ID_PCM_U24LE)
1130
1131 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1132        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1133
1134 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1135        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1136
1137 PCMDEF(u8, "PCM unsigned 8 bit format",
1138        "ub", CODEC_ID_PCM_U8)
1139
1140 PCMDEF(alaw, "PCM A-law format",
1141        "al", CODEC_ID_PCM_ALAW)
1142
1143 PCMDEF(mulaw, "PCM mu-law format",
1144        "ul", CODEC_ID_PCM_MULAW)