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

   1 /*
   2  * RAW muxer and demuxer
   3  * Copyright (c) 2001 Fabrice Bellard
   4  * Copyright (c) 2005 Alex Beregszaszi
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #include "libavutil/crc.h"
  24 #include "libavcodec/ac3_parser.h"
  25 #include "libavcodec/bitstream.h"
  26 #include "libavcodec/bytestream.h"
  27 #include "avformat.h"
  28 #include "raw.h"
  29 #include "id3v2.h"
  30
  31 /* simple formats */
  32 #if CONFIG_FLAC_MUXER
  33 static int flac_write_header(struct AVFormatContext *s)
  34 {
  35     static const uint8_t header[8] = {
  36         0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22
  37     };
  38     uint8_t *streaminfo = s->streams[0]->codec->extradata;
  39     int len = s->streams[0]->codec->extradata_size;
  40     if(streaminfo != NULL && len > 0) {
  41         put_buffer(s->pb, header, 8);
  42         put_buffer(s->pb, streaminfo, len);
  43     }
  44     return 0;
  45 }
  46
  47 static int flac_write_trailer(struct AVFormatContext *s)
  48 {
  49     ByteIOContext *pb = s->pb;
  50     uint8_t *streaminfo = s->streams[0]->codec->extradata;
  51     int len = s->streams[0]->codec->extradata_size;
  52     int64_t file_size;
  53
  54     if (streaminfo && len > 0 && !url_is_streamed(s->pb)) {
  55         file_size = url_ftell(pb);
  56         url_fseek(pb, 8, SEEK_SET);
  57         put_buffer(pb, streaminfo, len);
  58         url_fseek(pb, file_size, SEEK_SET);
  59         put_flush_packet(pb);
  60     }
  61     return 0;
  62 }
  63 #endif
  64
  65 #if CONFIG_ROQ_MUXER
  66 static int roq_write_header(struct AVFormatContext *s)
  67 {
  68     static const uint8_t header[] = {
  69         0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
  70     };
  71
  72     put_buffer(s->pb, header, 8);
  73     put_flush_packet(s->pb);
  74
  75     return 0;
  76 }
  77 #endif
  78
  79 #if CONFIG_NULL_MUXER
  80 static int null_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  81 {
  82     return 0;
  83 }
  84 #endif
  85
  86 #if CONFIG_MUXERS
  87 static int raw_write_packet(struct AVFormatContext *s, AVPacket *pkt)
  88 {
  89     put_buffer(s->pb, pkt->data, pkt->size);
  90     put_flush_packet(s->pb);
  91     return 0;
  92 }
  93 #endif
  94
  95 #if CONFIG_DEMUXERS
  96 /* raw input */
  97 static int raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
  98 {
  99     AVStream *st;
 100     int id;
 101
 102     st = av_new_stream(s, 0);
 103     if (!st)
 104         return AVERROR(ENOMEM);
 105
 106         id = s->iformat->value;
 107         if (id == CODEC_ID_RAWVIDEO) {
 108             st->codec->codec_type = CODEC_TYPE_VIDEO;
 109         } else {
 110             st->codec->codec_type = CODEC_TYPE_AUDIO;
 111         }
 112         st->codec->codec_id = id;
 113
 114         switch(st->codec->codec_type) {
 115         case CODEC_TYPE_AUDIO:
 116             st->codec->sample_rate = ap->sample_rate;
 117             if(ap->channels) st->codec->channels = ap->channels;
 118             else             st->codec->channels = 1;
 119             av_set_pts_info(st, 64, 1, st->codec->sample_rate);
 120             break;
 121         case CODEC_TYPE_VIDEO:
 122             if(ap->time_base.num)
 123                 av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
 124             else
 125                 av_set_pts_info(st, 64, 1, 25);
 126             st->codec->width = ap->width;
 127             st->codec->height = ap->height;
 128             st->codec->pix_fmt = ap->pix_fmt;
 129             if(st->codec->pix_fmt == PIX_FMT_NONE)
 130                 st->codec->pix_fmt= PIX_FMT_YUV420P;
 131             break;
 132         default:
 133             return -1;
 134         }
 135     return 0;
 136 }
 137
 138 #define RAW_PACKET_SIZE 1024
 139
 140 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
 141 {
 142     int ret, size, bps;
 143     //    AVStream *st = s->streams[0];
 144
 145     size= RAW_PACKET_SIZE;
 146
 147     ret= av_get_packet(s->pb, pkt, size);
 148
 149     pkt->stream_index = 0;
 150     if (ret <= 0) {
 151         return AVERROR(EIO);
 152     }
 153     /* note: we need to modify the packet size here to handle the last
 154        packet */
 155     pkt->size = ret;
 156
 157     bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
 158     assert(bps); // if false there IS a bug elsewhere (NOT in this function)
 159     pkt->dts=
 160     pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
 161
 162     return ret;
 163 }
 164
 165 static int raw_read_partial_packet(AVFormatContext *s, AVPacket *pkt)
 166 {
 167     int ret, size;
 168
 169     size = RAW_PACKET_SIZE;
 170
 171     if (av_new_packet(pkt, size) < 0)
 172         return AVERROR(EIO);
 173
 174     pkt->pos= url_ftell(s->pb);
 175     pkt->stream_index = 0;
 176     ret = get_partial_buffer(s->pb, pkt->data, size);
 177     if (ret <= 0) {
 178         av_free_packet(pkt);
 179         return AVERROR(EIO);
 180     }
 181     pkt->size = ret;
 182     return ret;
 183 }
 184 #endif
 185
 186 #if CONFIG_RAWVIDEO_DEMUXER
 187 static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
 188 {
 189     int packet_size, ret, width, height;
 190     AVStream *st = s->streams[0];
 191
 192     width = st->codec->width;
 193     height = st->codec->height;
 194
 195     packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
 196     if (packet_size < 0)
 197         return -1;
 198
 199     ret= av_get_packet(s->pb, pkt, packet_size);
 200     pkt->pts=
 201     pkt->dts= pkt->pos / packet_size;
 202
 203     pkt->stream_index = 0;
 204     if (ret != packet_size) {
 205         return AVERROR(EIO);
 206     } else {
 207         return 0;
 208     }
 209 }
 210 #endif
 211
 212 #if CONFIG_INGENIENT_DEMUXER
 213 // http://www.artificis.hu/files/texts/ingenient.txt
 214 static int ingenient_read_packet(AVFormatContext *s, AVPacket *pkt)
 215 {
 216     int ret, size, w, h, unk1, unk2;
 217
 218     if (get_le32(s->pb) != MKTAG('M', 'J', 'P', 'G'))
 219         return AVERROR(EIO); // FIXME
 220
 221     size = get_le32(s->pb);
 222
 223     w = get_le16(s->pb);
 224     h = get_le16(s->pb);
 225
 226     url_fskip(s->pb, 8); // zero + size (padded?)
 227     url_fskip(s->pb, 2);
 228     unk1 = get_le16(s->pb);
 229     unk2 = get_le16(s->pb);
 230     url_fskip(s->pb, 22); // ASCII timestamp
 231
 232     av_log(NULL, AV_LOG_DEBUG, "Ingenient packet: size=%d, width=%d, height=%d, unk1=%d unk2=%d\n",
 233         size, w, h, unk1, unk2);
 234
 235     if (av_new_packet(pkt, size) < 0)
 236         return AVERROR(EIO);
 237
 238     pkt->pos = url_ftell(s->pb);
 239     pkt->stream_index = 0;
 240     ret = get_buffer(s->pb, pkt->data, size);
 241     if (ret <= 0) {
 242         av_free_packet(pkt);
 243         return AVERROR(EIO);
 244     }
 245     pkt->size = ret;
 246     return ret;
 247 }
 248 #endif
 249
 250 #if CONFIG_DEMUXERS
 251 int pcm_read_seek(AVFormatContext *s,
 252                   int stream_index, int64_t timestamp, int flags)
 253 {
 254     AVStream *st;
 255     int block_align, byte_rate, ret;
 256     int64_t pos;
 257
 258     st = s->streams[0];
 259
 260     block_align = st->codec->block_align ? st->codec->block_align :
 261         (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3;
 262     byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 :
 263         block_align * st->codec->sample_rate;
 264
 265     if (block_align <= 0 || byte_rate <= 0)
 266         return -1;
 267
 268     /* compute the position by aligning it to block_align */
 269     pos = av_rescale_rnd(timestamp * byte_rate,
 270                          st->time_base.num,
 271                          st->time_base.den * (int64_t)block_align,
 272                          (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP);
 273     pos *= block_align;
 274
 275     /* recompute exact position */
 276     st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num);
 277     if ((ret = url_fseek(s->pb, pos + s->data_offset, SEEK_SET)) < 0)
 278         return ret;
 279     return 0;
 280 }
 281
 282 static int audio_read_header(AVFormatContext *s,
 283                              AVFormatParameters *ap)
 284 {
 285     AVStream *st = av_new_stream(s, 0);
 286     if (!st)
 287         return AVERROR(ENOMEM);
 288     st->codec->codec_type = CODEC_TYPE_AUDIO;
 289     st->codec->codec_id = s->iformat->value;
 290     st->need_parsing = AVSTREAM_PARSE_FULL;
 291     /* the parameters will be extracted from the compressed bitstream */
 292
 293     if(st->codec->codec_id == CODEC_ID_FLAC) {
 294         /* skip ID3v2 header if found */
 295         uint8_t buf[ID3v2_HEADER_SIZE];
 296         int ret = get_buffer(s->pb, buf, ID3v2_HEADER_SIZE);
 297         if (ret == ID3v2_HEADER_SIZE && ff_id3v2_match(buf)) {
 298             int len = ff_id3v2_tag_len(buf);
 299             url_fseek(s->pb, len - ID3v2_HEADER_SIZE, SEEK_CUR);
 300         } else {
 301             url_fseek(s->pb, 0, SEEK_SET);
 302         }
 303     }
 304     return 0;
 305 }
 306
 307 /* MPEG-1/H.263 input */
 308 static int video_read_header(AVFormatContext *s,
 309                              AVFormatParameters *ap)
 310 {
 311     AVStream *st;
 312
 313     st = av_new_stream(s, 0);
 314     if (!st)
 315         return AVERROR(ENOMEM);
 316
 317     st->codec->codec_type = CODEC_TYPE_VIDEO;
 318     st->codec->codec_id = s->iformat->value;
 319     st->need_parsing = AVSTREAM_PARSE_FULL;
 320
 321     /* for MJPEG, specify frame rate */
 322     /* for MPEG-4 specify it, too (most MPEG-4 streams do not have the fixed_vop_rate set ...)*/
 323     if (ap->time_base.num) {
 324         av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
 325     } else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
 326                 st->codec->codec_id == CODEC_ID_MPEG4 ||
 327                 st->codec->codec_id == CODEC_ID_DIRAC ||
 328                 st->codec->codec_id == CODEC_ID_H264) {
 329         av_set_pts_info(st, 64, 1, 25);
 330     }
 331
 332     return 0;
 333 }
 334 #endif
 335
 336 #if CONFIG_MPEGVIDEO_DEMUXER
 337 #define SEQ_START_CODE          0x000001b3
 338 #define GOP_START_CODE          0x000001b8
 339 #define PICTURE_START_CODE      0x00000100
 340 #define SLICE_START_CODE        0x00000101
 341 #define PACK_START_CODE         0x000001ba
 342 #define VIDEO_ID                0x000001e0
 343 #define AUDIO_ID                0x000001c0
 344
 345 static int mpegvideo_probe(AVProbeData *p)
 346 {
 347     uint32_t code= -1;
 348     int pic=0, seq=0, slice=0, pspack=0, pes=0;
 349     int i;
 350
 351     for(i=0; i<p->buf_size; i++){
 352         code = (code<<8) + p->buf[i];
 353         if ((code & 0xffffff00) == 0x100) {
 354             switch(code){
 355             case     SEQ_START_CODE:   seq++; break;
 356             case PICTURE_START_CODE:   pic++; break;
 357             case   SLICE_START_CODE: slice++; break;
 358             case    PACK_START_CODE: pspack++; break;
 359             }
 360             if     ((code & 0x1f0) == VIDEO_ID)   pes++;
 361             else if((code & 0x1e0) == AUDIO_ID)   pes++;
 362         }
 363     }
 364     if(seq && seq*9<=pic*10 && pic*9<=slice*10 && !pspack && !pes)
 365         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 366     return 0;
 367 }
 368 #endif
 369
 370 #if CONFIG_M4V_DEMUXER
 371 #define VISUAL_OBJECT_START_CODE       0x000001b5
 372 #define VOP_START_CODE                 0x000001b6
 373
 374 static int mpeg4video_probe(AVProbeData *probe_packet)
 375 {
 376     uint32_t temp_buffer= -1;
 377     int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
 378     int i;
 379
 380     for(i=0; i<probe_packet->buf_size; i++){
 381         temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
 382         if ((temp_buffer & 0xffffff00) != 0x100)
 383             continue;
 384
 385         if (temp_buffer == VOP_START_CODE)                         VOP++;
 386         else if (temp_buffer == VISUAL_OBJECT_START_CODE)          VISO++;
 387         else if (temp_buffer < 0x120)                              VO++;
 388         else if (temp_buffer < 0x130)                              VOL++;
 389         else if (   !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
 390                  && !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
 391     }
 392
 393     if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
 394         return AVPROBE_SCORE_MAX/2;
 395     return 0;
 396 }
 397 #endif
 398
 399 #if CONFIG_H264_DEMUXER
 400 static int h264_probe(AVProbeData *p)
 401 {
 402     uint32_t code= -1;
 403     int sps=0, pps=0, idr=0, res=0, sli=0;
 404     int i;
 405
 406     for(i=0; i<p->buf_size; i++){
 407         code = (code<<8) + p->buf[i];
 408         if ((code & 0xffffff00) == 0x100) {
 409             int ref_idc= (code>>5)&3;
 410             int type   = code & 0x1F;
 411             static const int8_t ref_zero[32]={
 412                 2, 0, 0, 0, 0,-1, 1,-1,
 413                -1, 1, 1, 1, 1,-1, 2, 2,
 414                 2, 2, 2, 0, 2, 2, 2, 2,
 415                 2, 2, 2, 2, 2, 2, 2, 2
 416             };
 417
 418             if(code & 0x80) //forbidden bit
 419                 return 0;
 420
 421             if(ref_zero[type] == 1 && ref_idc)
 422                 return 0;
 423             if(ref_zero[type] ==-1 && !ref_idc)
 424                 return 0;
 425             if(ref_zero[type] == 2)
 426                 res++;
 427
 428             switch(type){
 429             case     1:   sli++; break;
 430             case     5:   idr++; break;
 431             case     7:
 432                 if(p->buf[i+2]&0x0F)
 433                     return 0;
 434                 sps++;
 435                 break;
 436             case     8:   pps++; break;
 437             }
 438         }
 439     }
 440     if(sps && pps && (idr||sli>3) && res<(sps+pps+idr))
 441         return AVPROBE_SCORE_MAX/2+1; // +1 for .mpg
 442     return 0;
 443 }
 444 #endif
 445
 446 #if CONFIG_H263_DEMUXER
 447 static int h263_probe(AVProbeData *p)
 448 {
 449     int code;
 450     const uint8_t *d;
 451
 452     d = p->buf;
 453     code = (d[0] << 14) | (d[1] << 6) | (d[2] >> 2);
 454     if (code == 0x20) {
 455         return 50;
 456     }
 457     return 0;
 458 }
 459 #endif
 460
 461 #if CONFIG_H261_DEMUXER
 462 static int h261_probe(AVProbeData *p)
 463 {
 464     int code;
 465     const uint8_t *d;
 466
 467     d = p->buf;
 468     code = (d[0] << 12) | (d[1] << 4) | (d[2] >> 4);
 469     if (code == 0x10) {
 470         return 50;
 471     }
 472     return 0;
 473 }
 474 #endif
 475
 476 #if CONFIG_DTS_DEMUXER
 477 #define DCA_MARKER_14B_BE 0x1FFFE800
 478 #define DCA_MARKER_14B_LE 0xFF1F00E8
 479 #define DCA_MARKER_RAW_BE 0x7FFE8001
 480 #define DCA_MARKER_RAW_LE 0xFE7F0180
 481 static int dts_probe(AVProbeData *p)
 482 {
 483     const uint8_t *buf, *bufp;
 484     uint32_t state = -1;
 485
 486     buf = p->buf;
 487
 488     for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
 489         bufp = buf;
 490         state = (state << 16) | bytestream_get_be16(&bufp);
 491
 492         /* regular bitstream */
 493         if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
 494             return AVPROBE_SCORE_MAX/2+1;
 495
 496         /* 14 bits big-endian bitstream */
 497         if (state == DCA_MARKER_14B_BE)
 498             if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
 499                 return AVPROBE_SCORE_MAX/2+1;
 500
 501         /* 14 bits little-endian bitstream */
 502         if (state == DCA_MARKER_14B_LE)
 503             if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
 504                 return AVPROBE_SCORE_MAX/2+1;
 505     }
 506
 507     return 0;
 508 }
 509 #endif
 510
 511 #if CONFIG_DIRAC_DEMUXER
 512 static int dirac_probe(AVProbeData *p)
 513 {
 514     if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
 515         return AVPROBE_SCORE_MAX;
 516     else
 517         return 0;
 518 }
 519 #endif
 520
 521 #if CONFIG_DNXHD_DEMUXER
 522 static int dnxhd_probe(AVProbeData *p)
 523 {
 524     static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
 525     if (!memcmp(p->buf, header, 5))
 526         return AVPROBE_SCORE_MAX;
 527     else
 528         return 0;
 529 }
 530 #endif
 531
 532 #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER
 533 static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id)
 534 {
 535     int max_frames, first_frames = 0, frames;
 536     uint8_t *buf, *buf2, *end;
 537     AC3HeaderInfo hdr;
 538     GetBitContext gbc;
 539     enum CodecID codec_id = CODEC_ID_AC3;
 540
 541     max_frames = 0;
 542     buf = p->buf;
 543     end = buf + p->buf_size;
 544
 545     for(; buf < end; buf++) {
 546         buf2 = buf;
 547
 548         for(frames = 0; buf2 < end; frames++) {
 549             init_get_bits(&gbc, buf2, 54);
 550             if(ff_ac3_parse_header(&gbc, &hdr) < 0)
 551                 break;
 552             if(buf2 + hdr.frame_size > end ||
 553                av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
 554                 break;
 555             if (hdr.bitstream_id > 10)
 556                 codec_id = CODEC_ID_EAC3;
 557             buf2 += hdr.frame_size;
 558         }
 559         max_frames = FFMAX(max_frames, frames);
 560         if(buf == p->buf)
 561             first_frames = frames;
 562     }
 563     if(codec_id != expected_codec_id) return 0;
 564     if   (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
 565     else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
 566     else if(max_frames>=1) return 1;
 567     else                   return 0;
 568 }
 569 #endif
 570
 571 #if CONFIG_AC3_DEMUXER
 572 static int ac3_probe(AVProbeData *p)
 573 {
 574     return ac3_eac3_probe(p, CODEC_ID_AC3);
 575 }
 576 #endif
 577
 578 #if CONFIG_EAC3_DEMUXER
 579 static int eac3_probe(AVProbeData *p)
 580 {
 581     return ac3_eac3_probe(p, CODEC_ID_EAC3);
 582 }
 583 #endif
 584
 585 #if CONFIG_FLAC_DEMUXER
 586 static int flac_probe(AVProbeData *p)
 587 {
 588     uint8_t *bufptr = p->buf;
 589
 590     if(ff_id3v2_match(bufptr))
 591         bufptr += ff_id3v2_tag_len(bufptr);
 592
 593     if(memcmp(bufptr, "fLaC", 4)) return 0;
 594     else                          return AVPROBE_SCORE_MAX / 2;
 595 }
 596 #endif
 597
 598 #if CONFIG_AAC_DEMUXER
 599 static int adts_aac_probe(AVProbeData *p)
 600 {
 601     int max_frames = 0, first_frames = 0;
 602     int fsize, frames;
 603     uint8_t *buf0 = p->buf;
 604     uint8_t *buf2;
 605     uint8_t *buf;
 606     uint8_t *end = buf0 + p->buf_size - 7;
 607
 608     if (ff_id3v2_match(buf0)) {
 609         buf0 += ff_id3v2_tag_len(buf0);
 610     }
 611     buf = buf0;
 612
 613     for(; buf < end; buf= buf2+1) {
 614         buf2 = buf;
 615
 616         for(frames = 0; buf2 < end; frames++) {
 617             uint32_t header = AV_RB16(buf2);
 618             if((header&0xFFF6) != 0xFFF0)
 619                 break;
 620             fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
 621             if(fsize < 7)
 622                 break;
 623             buf2 += fsize;
 624         }
 625         max_frames = FFMAX(max_frames, frames);
 626         if(buf == buf0)
 627             first_frames= frames;
 628     }
 629     if   (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
 630     else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
 631     else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
 632     else if(max_frames>=1) return 1;
 633     else                   return 0;
 634 }
 635 #endif
 636
 637 /* Note: Do not forget to add new entries to the Makefile as well. */
 638
 639 #if CONFIG_AAC_DEMUXER
 640 AVInputFormat aac_demuxer = {
 641     "aac",
 642     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 643     0,
 644     adts_aac_probe,
 645     audio_read_header,
 646     raw_read_partial_packet,
 647     .flags= AVFMT_GENERIC_INDEX,
 648     .extensions = "aac",
 649     .value = CODEC_ID_AAC,
 650 };
 651 #endif
 652
 653 #if CONFIG_AC3_DEMUXER
 654 AVInputFormat ac3_demuxer = {
 655     "ac3",
 656     NULL_IF_CONFIG_SMALL("raw AC-3"),
 657     0,
 658     ac3_probe,
 659     audio_read_header,
 660     raw_read_partial_packet,
 661     .flags= AVFMT_GENERIC_INDEX,
 662     .extensions = "ac3",
 663     .value = CODEC_ID_AC3,
 664 };
 665 #endif
 666
 667 #if CONFIG_AC3_MUXER
 668 AVOutputFormat ac3_muxer = {
 669     "ac3",
 670     NULL_IF_CONFIG_SMALL("raw AC-3"),
 671     "audio/x-ac3",
 672     "ac3",
 673     0,
 674     CODEC_ID_AC3,
 675     CODEC_ID_NONE,
 676     NULL,
 677     raw_write_packet,
 678     .flags= AVFMT_NOTIMESTAMPS,
 679 };
 680 #endif
 681
 682 #if CONFIG_DIRAC_DEMUXER
 683 AVInputFormat dirac_demuxer = {
 684     "dirac",
 685     NULL_IF_CONFIG_SMALL("raw Dirac"),
 686     0,
 687     dirac_probe,
 688     video_read_header,
 689     raw_read_partial_packet,
 690     .flags= AVFMT_GENERIC_INDEX,
 691     .value = CODEC_ID_DIRAC,
 692 };
 693 #endif
 694
 695 #if CONFIG_DIRAC_MUXER
 696 AVOutputFormat dirac_muxer = {
 697     "dirac",
 698     NULL_IF_CONFIG_SMALL("raw Dirac"),
 699     NULL,
 700     "drc",
 701     0,
 702     CODEC_ID_NONE,
 703     CODEC_ID_DIRAC,
 704     NULL,
 705     raw_write_packet,
 706     .flags= AVFMT_NOTIMESTAMPS,
 707 };
 708 #endif
 709
 710 #if CONFIG_DNXHD_DEMUXER
 711 AVInputFormat dnxhd_demuxer = {
 712     "dnxhd",
 713     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 714     0,
 715     dnxhd_probe,
 716     video_read_header,
 717     raw_read_partial_packet,
 718     .flags= AVFMT_GENERIC_INDEX,
 719     .value = CODEC_ID_DNXHD,
 720 };
 721 #endif
 722
 723 #if CONFIG_DNXHD_MUXER
 724 AVOutputFormat dnxhd_muxer = {
 725     "dnxhd",
 726     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 727     NULL,
 728     "dnxhd",
 729     0,
 730     CODEC_ID_NONE,
 731     CODEC_ID_DNXHD,
 732     NULL,
 733     raw_write_packet,
 734     .flags= AVFMT_NOTIMESTAMPS,
 735 };
 736 #endif
 737
 738 #if CONFIG_DTS_DEMUXER
 739 AVInputFormat dts_demuxer = {
 740     "dts",
 741     NULL_IF_CONFIG_SMALL("raw DTS"),
 742     0,
 743     dts_probe,
 744     audio_read_header,
 745     raw_read_partial_packet,
 746     .flags= AVFMT_GENERIC_INDEX,
 747     .extensions = "dts",
 748     .value = CODEC_ID_DTS,
 749 };
 750 #endif
 751
 752 #if CONFIG_DTS_MUXER
 753 AVOutputFormat dts_muxer = {
 754     "dts",
 755     NULL_IF_CONFIG_SMALL("raw DTS"),
 756     "audio/x-dca",
 757     "dts",
 758     0,
 759     CODEC_ID_DTS,
 760     CODEC_ID_NONE,
 761     NULL,
 762     raw_write_packet,
 763     .flags= AVFMT_NOTIMESTAMPS,
 764 };
 765 #endif
 766
 767 #if CONFIG_EAC3_DEMUXER
 768 AVInputFormat eac3_demuxer = {
 769     "eac3",
 770     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 771     0,
 772     eac3_probe,
 773     audio_read_header,
 774     raw_read_partial_packet,
 775     .flags= AVFMT_GENERIC_INDEX,
 776     .extensions = "eac3",
 777     .value = CODEC_ID_EAC3,
 778 };
 779 #endif
 780
 781 #if CONFIG_EAC3_MUXER
 782 AVOutputFormat eac3_muxer = {
 783     "eac3",
 784     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 785     "audio/x-eac3",
 786     "eac3",
 787     0,
 788     CODEC_ID_EAC3,
 789     CODEC_ID_NONE,
 790     NULL,
 791     raw_write_packet,
 792     .flags= AVFMT_NOTIMESTAMPS,
 793 };
 794 #endif
 795
 796 #if CONFIG_FLAC_DEMUXER
 797 AVInputFormat flac_demuxer = {
 798     "flac",
 799     NULL_IF_CONFIG_SMALL("raw FLAC"),
 800     0,
 801     flac_probe,
 802     audio_read_header,
 803     raw_read_partial_packet,
 804     .flags= AVFMT_GENERIC_INDEX,
 805     .extensions = "flac",
 806     .value = CODEC_ID_FLAC,
 807 };
 808 #endif
 809
 810 #if CONFIG_FLAC_MUXER
 811 AVOutputFormat flac_muxer = {
 812     "flac",
 813     NULL_IF_CONFIG_SMALL("raw FLAC"),
 814     "audio/x-flac",
 815     "flac",
 816     0,
 817     CODEC_ID_FLAC,
 818     CODEC_ID_NONE,
 819     flac_write_header,
 820     raw_write_packet,
 821     flac_write_trailer,
 822     .flags= AVFMT_NOTIMESTAMPS,
 823 };
 824 #endif
 825
 826 #if CONFIG_GSM_DEMUXER
 827 AVInputFormat gsm_demuxer = {
 828     "gsm",
 829     NULL_IF_CONFIG_SMALL("GSM"),
 830     0,
 831     NULL,
 832     audio_read_header,
 833     raw_read_partial_packet,
 834     .flags= AVFMT_GENERIC_INDEX,
 835     .extensions = "gsm",
 836     .value = CODEC_ID_GSM,
 837 };
 838 #endif
 839
 840 #if CONFIG_H261_DEMUXER
 841 AVInputFormat h261_demuxer = {
 842     "h261",
 843     NULL_IF_CONFIG_SMALL("raw H.261"),
 844     0,
 845     h261_probe,
 846     video_read_header,
 847     raw_read_partial_packet,
 848     .flags= AVFMT_GENERIC_INDEX,
 849     .extensions = "h261",
 850     .value = CODEC_ID_H261,
 851 };
 852 #endif
 853
 854 #if CONFIG_H261_MUXER
 855 AVOutputFormat h261_muxer = {
 856     "h261",
 857     NULL_IF_CONFIG_SMALL("raw H.261"),
 858     "video/x-h261",
 859     "h261",
 860     0,
 861     CODEC_ID_NONE,
 862     CODEC_ID_H261,
 863     NULL,
 864     raw_write_packet,
 865     .flags= AVFMT_NOTIMESTAMPS,
 866 };
 867 #endif
 868
 869 #if CONFIG_H263_DEMUXER
 870 AVInputFormat h263_demuxer = {
 871     "h263",
 872     NULL_IF_CONFIG_SMALL("raw H.263"),
 873     0,
 874     h263_probe,
 875     video_read_header,
 876     raw_read_partial_packet,
 877     .flags= AVFMT_GENERIC_INDEX,
 878 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 879     .value = CODEC_ID_H263,
 880 };
 881 #endif
 882
 883 #if CONFIG_H263_MUXER
 884 AVOutputFormat h263_muxer = {
 885     "h263",
 886     NULL_IF_CONFIG_SMALL("raw H.263"),
 887     "video/x-h263",
 888     "h263",
 889     0,
 890     CODEC_ID_NONE,
 891     CODEC_ID_H263,
 892     NULL,
 893     raw_write_packet,
 894     .flags= AVFMT_NOTIMESTAMPS,
 895 };
 896 #endif
 897
 898 #if CONFIG_H264_DEMUXER
 899 AVInputFormat h264_demuxer = {
 900     "h264",
 901     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 902     0,
 903     h264_probe,
 904     video_read_header,
 905     raw_read_partial_packet,
 906     .flags= AVFMT_GENERIC_INDEX,
 907     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
 908     .value = CODEC_ID_H264,
 909 };
 910 #endif
 911
 912 #if CONFIG_H264_MUXER
 913 AVOutputFormat h264_muxer = {
 914     "h264",
 915     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 916     NULL,
 917     "h264",
 918     0,
 919     CODEC_ID_NONE,
 920     CODEC_ID_H264,
 921     NULL,
 922     raw_write_packet,
 923     .flags= AVFMT_NOTIMESTAMPS,
 924 };
 925 #endif
 926
 927 #if CONFIG_INGENIENT_DEMUXER
 928 AVInputFormat ingenient_demuxer = {
 929     "ingenient",
 930     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 931     0,
 932     NULL,
 933     video_read_header,
 934     ingenient_read_packet,
 935     .flags= AVFMT_GENERIC_INDEX,
 936     .extensions = "cgi", // FIXME
 937     .value = CODEC_ID_MJPEG,
 938 };
 939 #endif
 940
 941 #if CONFIG_M4V_DEMUXER
 942 AVInputFormat m4v_demuxer = {
 943     "m4v",
 944     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 945     0,
 946     mpeg4video_probe, /** probing for MPEG-4 data */
 947     video_read_header,
 948     raw_read_partial_packet,
 949     .flags= AVFMT_GENERIC_INDEX,
 950     .extensions = "m4v",
 951     .value = CODEC_ID_MPEG4,
 952 };
 953 #endif
 954
 955 #if CONFIG_M4V_MUXER
 956 AVOutputFormat m4v_muxer = {
 957     "m4v",
 958     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 959     NULL,
 960     "m4v",
 961     0,
 962     CODEC_ID_NONE,
 963     CODEC_ID_MPEG4,
 964     NULL,
 965     raw_write_packet,
 966     .flags= AVFMT_NOTIMESTAMPS,
 967 };
 968 #endif
 969
 970 #if CONFIG_MJPEG_DEMUXER
 971 AVInputFormat mjpeg_demuxer = {
 972     "mjpeg",
 973     NULL_IF_CONFIG_SMALL("MJPEG video"),
 974     0,
 975     NULL,
 976     video_read_header,
 977     raw_read_partial_packet,
 978     .flags= AVFMT_GENERIC_INDEX,
 979     .extensions = "mjpg,mjpeg",
 980     .value = CODEC_ID_MJPEG,
 981 };
 982 #endif
 983
 984 #if CONFIG_MJPEG_MUXER
 985 AVOutputFormat mjpeg_muxer = {
 986     "mjpeg",
 987     NULL_IF_CONFIG_SMALL("MJPEG video"),
 988     "video/x-mjpeg",
 989     "mjpg,mjpeg",
 990     0,
 991     CODEC_ID_NONE,
 992     CODEC_ID_MJPEG,
 993     NULL,
 994     raw_write_packet,
 995     .flags= AVFMT_NOTIMESTAMPS,
 996 };
 997 #endif
 998
 999 #if CONFIG_MLP_DEMUXER
1000 AVInputFormat mlp_demuxer = {
1001     "mlp",
1002     NULL_IF_CONFIG_SMALL("raw MLP"),
1003     0,
1004     NULL,
1005     audio_read_header,
1006     raw_read_partial_packet,
1007     .flags= AVFMT_GENERIC_INDEX,
1008     .extensions = "mlp",
1009     .value = CODEC_ID_MLP,
1010 };
1011 #endif
1012
1013 #if CONFIG_MPEG1VIDEO_MUXER
1014 AVOutputFormat mpeg1video_muxer = {
1015     "mpeg1video",
1016     NULL_IF_CONFIG_SMALL("MPEG video"),
1017     "video/x-mpeg",
1018     "mpg,mpeg,m1v",
1019     0,
1020     CODEC_ID_NONE,
1021     CODEC_ID_MPEG1VIDEO,
1022     NULL,
1023     raw_write_packet,
1024     .flags= AVFMT_NOTIMESTAMPS,
1025 };
1026 #endif
1027
1028 #if CONFIG_MPEG2VIDEO_MUXER
1029 AVOutputFormat mpeg2video_muxer = {
1030     "mpeg2video",
1031     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1032     NULL,
1033     "m2v",
1034     0,
1035     CODEC_ID_NONE,
1036     CODEC_ID_MPEG2VIDEO,
1037     NULL,
1038     raw_write_packet,
1039     .flags= AVFMT_NOTIMESTAMPS,
1040 };
1041 #endif
1042
1043 #if CONFIG_MPEGVIDEO_DEMUXER
1044 AVInputFormat mpegvideo_demuxer = {
1045     "mpegvideo",
1046     NULL_IF_CONFIG_SMALL("MPEG video"),
1047     0,
1048     mpegvideo_probe,
1049     video_read_header,
1050     raw_read_partial_packet,
1051     .flags= AVFMT_GENERIC_INDEX,
1052     .value = CODEC_ID_MPEG1VIDEO,
1053 };
1054 #endif
1055
1056 #if CONFIG_NULL_MUXER
1057 AVOutputFormat null_muxer = {
1058     "null",
1059     NULL_IF_CONFIG_SMALL("null video format"),
1060     NULL,
1061     NULL,
1062     0,
1063 #ifdef WORDS_BIGENDIAN
1064     CODEC_ID_PCM_S16BE,
1065 #else
1066     CODEC_ID_PCM_S16LE,
1067 #endif
1068     CODEC_ID_RAWVIDEO,
1069     NULL,
1070     null_write_packet,
1071     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1072 };
1073 #endif
1074
1075 #if CONFIG_RAWVIDEO_DEMUXER
1076 AVInputFormat rawvideo_demuxer = {
1077     "rawvideo",
1078     NULL_IF_CONFIG_SMALL("raw video format"),
1079     0,
1080     NULL,
1081     raw_read_header,
1082     rawvideo_read_packet,
1083     .flags= AVFMT_GENERIC_INDEX,
1084     .extensions = "yuv,cif,qcif,rgb",
1085     .value = CODEC_ID_RAWVIDEO,
1086 };
1087 #endif
1088
1089 #if CONFIG_RAWVIDEO_MUXER
1090 AVOutputFormat rawvideo_muxer = {
1091     "rawvideo",
1092     NULL_IF_CONFIG_SMALL("raw video format"),
1093     NULL,
1094     "yuv,rgb",
1095     0,
1096     CODEC_ID_NONE,
1097     CODEC_ID_RAWVIDEO,
1098     NULL,
1099     raw_write_packet,
1100     .flags= AVFMT_NOTIMESTAMPS,
1101 };
1102 #endif
1103
1104 #if CONFIG_ROQ_MUXER
1105 AVOutputFormat roq_muxer =
1106 {
1107     "RoQ",
1108     NULL_IF_CONFIG_SMALL("id RoQ format"),
1109     NULL,
1110     "roq",
1111     0,
1112     CODEC_ID_ROQ_DPCM,
1113     CODEC_ID_ROQ,
1114     roq_write_header,
1115     raw_write_packet,
1116 };
1117 #endif
1118
1119 #if CONFIG_SHORTEN_DEMUXER
1120 AVInputFormat shorten_demuxer = {
1121     "shn",
1122     NULL_IF_CONFIG_SMALL("raw Shorten"),
1123     0,
1124     NULL,
1125     audio_read_header,
1126     raw_read_partial_packet,
1127     .flags= AVFMT_GENERIC_INDEX,
1128     .extensions = "shn",
1129     .value = CODEC_ID_SHORTEN,
1130 };
1131 #endif
1132
1133 #if CONFIG_VC1_DEMUXER
1134 AVInputFormat vc1_demuxer = {
1135     "vc1",
1136     NULL_IF_CONFIG_SMALL("raw VC-1"),
1137     0,
1138     NULL /* vc1_probe */,
1139     video_read_header,
1140     raw_read_partial_packet,
1141     .extensions = "vc1",
1142     .value = CODEC_ID_VC1,
1143 };
1144 #endif
1145
1146 /* PCM formats */
1147
1148 #define PCMINPUTDEF(name, long_name, ext, codec) \
1149 AVInputFormat pcm_ ## name ## _demuxer = {\
1150     #name,\
1151     NULL_IF_CONFIG_SMALL(long_name),\
1152     0,\
1153     NULL,\
1154     raw_read_header,\
1155     raw_read_packet,\
1156     NULL,\
1157     pcm_read_seek,\
1158     .flags= AVFMT_GENERIC_INDEX,\
1159     .extensions = ext,\
1160     .value = codec,\
1161 };
1162
1163 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1164 AVOutputFormat pcm_ ## name ## _muxer = {\
1165     #name,\
1166     NULL_IF_CONFIG_SMALL(long_name),\
1167     NULL,\
1168     ext,\
1169     0,\
1170     codec,\
1171     CODEC_ID_NONE,\
1172     NULL,\
1173     raw_write_packet,\
1174     .flags= AVFMT_NOTIMESTAMPS,\
1175 };
1176
1177
1178 #if  !CONFIG_MUXERS && CONFIG_DEMUXERS
1179 #define PCMDEF(name, long_name, ext, codec) \
1180         PCMINPUTDEF(name, long_name, ext, codec)
1181 #elif CONFIG_MUXERS && !CONFIG_DEMUXERS
1182 #define PCMDEF(name, long_name, ext, codec) \
1183         PCMOUTPUTDEF(name, long_name, ext, codec)
1184 #elif CONFIG_MUXERS && CONFIG_DEMUXERS
1185 #define PCMDEF(name, long_name, ext, codec) \
1186         PCMINPUTDEF(name, long_name, ext, codec)\
1187         PCMOUTPUTDEF(name, long_name, ext, codec)
1188 #else
1189 #define PCMDEF(name, long_name, ext, codec)
1190 #endif
1191
1192 #ifdef WORDS_BIGENDIAN
1193 #define BE_DEF(s) s
1194 #define LE_DEF(s) NULL
1195 #else
1196 #define BE_DEF(s) NULL
1197 #define LE_DEF(s) s
1198 #endif
1199
1200 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1201        NULL, CODEC_ID_PCM_F64BE)
1202
1203 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1204        NULL, CODEC_ID_PCM_F64LE)
1205
1206 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1207        NULL, CODEC_ID_PCM_F32BE)
1208
1209 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1210        NULL, CODEC_ID_PCM_F32LE)
1211
1212 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1213        NULL, CODEC_ID_PCM_S32BE)
1214
1215 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1216        NULL, CODEC_ID_PCM_S32LE)
1217
1218 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1219        NULL, CODEC_ID_PCM_S24BE)
1220
1221 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1222        NULL, CODEC_ID_PCM_S24LE)
1223
1224 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1225        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1226
1227 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1228        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1229
1230 PCMDEF(s8, "PCM signed 8 bit format",
1231        "sb", CODEC_ID_PCM_S8)
1232
1233 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1234        NULL, CODEC_ID_PCM_U32BE)
1235
1236 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1237        NULL, CODEC_ID_PCM_U32LE)
1238
1239 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1240        NULL, CODEC_ID_PCM_U24BE)
1241
1242 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1243        NULL, CODEC_ID_PCM_U24LE)
1244
1245 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1246        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1247
1248 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1249        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1250
1251 PCMDEF(u8, "PCM unsigned 8 bit format",
1252        "ub", CODEC_ID_PCM_U8)
1253
1254 PCMDEF(alaw, "PCM A-law format",
1255        "al", CODEC_ID_PCM_ALAW)
1256
1257 PCMDEF(mulaw, "PCM mu-law format",
1258        "ul", CODEC_ID_PCM_MULAW)