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     uint8_t *end    = p->buf + p->buf_size;
 590
 591     if(ff_id3v2_match(bufptr))
 592         bufptr += ff_id3v2_tag_len(bufptr);
 593
 594     if(bufptr > end-4 || memcmp(bufptr, "fLaC", 4)) return 0;
 595     else                                            return AVPROBE_SCORE_MAX/2;
 596 }
 597 #endif
 598
 599 #if CONFIG_AAC_DEMUXER
 600 static int adts_aac_probe(AVProbeData *p)
 601 {
 602     int max_frames = 0, first_frames = 0;
 603     int fsize, frames;
 604     uint8_t *buf0 = p->buf;
 605     uint8_t *buf2;
 606     uint8_t *buf;
 607     uint8_t *end = buf0 + p->buf_size - 7;
 608
 609     if (ff_id3v2_match(buf0)) {
 610         buf0 += ff_id3v2_tag_len(buf0);
 611     }
 612     buf = buf0;
 613
 614     for(; buf < end; buf= buf2+1) {
 615         buf2 = buf;
 616
 617         for(frames = 0; buf2 < end; frames++) {
 618             uint32_t header = AV_RB16(buf2);
 619             if((header&0xFFF6) != 0xFFF0)
 620                 break;
 621             fsize = (AV_RB32(buf2+3)>>13) & 0x8FFF;
 622             if(fsize < 7)
 623                 break;
 624             buf2 += fsize;
 625         }
 626         max_frames = FFMAX(max_frames, frames);
 627         if(buf == buf0)
 628             first_frames= frames;
 629     }
 630     if   (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
 631     else if(max_frames>500)return AVPROBE_SCORE_MAX/2;
 632     else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
 633     else if(max_frames>=1) return 1;
 634     else                   return 0;
 635 }
 636 #endif
 637
 638 /* Note: Do not forget to add new entries to the Makefile as well. */
 639
 640 #if CONFIG_AAC_DEMUXER
 641 AVInputFormat aac_demuxer = {
 642     "aac",
 643     NULL_IF_CONFIG_SMALL("ADTS AAC"),
 644     0,
 645     adts_aac_probe,
 646     audio_read_header,
 647     raw_read_partial_packet,
 648     .flags= AVFMT_GENERIC_INDEX,
 649     .extensions = "aac",
 650     .value = CODEC_ID_AAC,
 651 };
 652 #endif
 653
 654 #if CONFIG_AC3_DEMUXER
 655 AVInputFormat ac3_demuxer = {
 656     "ac3",
 657     NULL_IF_CONFIG_SMALL("raw AC-3"),
 658     0,
 659     ac3_probe,
 660     audio_read_header,
 661     raw_read_partial_packet,
 662     .flags= AVFMT_GENERIC_INDEX,
 663     .extensions = "ac3",
 664     .value = CODEC_ID_AC3,
 665 };
 666 #endif
 667
 668 #if CONFIG_AC3_MUXER
 669 AVOutputFormat ac3_muxer = {
 670     "ac3",
 671     NULL_IF_CONFIG_SMALL("raw AC-3"),
 672     "audio/x-ac3",
 673     "ac3",
 674     0,
 675     CODEC_ID_AC3,
 676     CODEC_ID_NONE,
 677     NULL,
 678     raw_write_packet,
 679     .flags= AVFMT_NOTIMESTAMPS,
 680 };
 681 #endif
 682
 683 #if CONFIG_DIRAC_DEMUXER
 684 AVInputFormat dirac_demuxer = {
 685     "dirac",
 686     NULL_IF_CONFIG_SMALL("raw Dirac"),
 687     0,
 688     dirac_probe,
 689     video_read_header,
 690     raw_read_partial_packet,
 691     .flags= AVFMT_GENERIC_INDEX,
 692     .value = CODEC_ID_DIRAC,
 693 };
 694 #endif
 695
 696 #if CONFIG_DIRAC_MUXER
 697 AVOutputFormat dirac_muxer = {
 698     "dirac",
 699     NULL_IF_CONFIG_SMALL("raw Dirac"),
 700     NULL,
 701     "drc",
 702     0,
 703     CODEC_ID_NONE,
 704     CODEC_ID_DIRAC,
 705     NULL,
 706     raw_write_packet,
 707     .flags= AVFMT_NOTIMESTAMPS,
 708 };
 709 #endif
 710
 711 #if CONFIG_DNXHD_DEMUXER
 712 AVInputFormat dnxhd_demuxer = {
 713     "dnxhd",
 714     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 715     0,
 716     dnxhd_probe,
 717     video_read_header,
 718     raw_read_partial_packet,
 719     .flags= AVFMT_GENERIC_INDEX,
 720     .value = CODEC_ID_DNXHD,
 721 };
 722 #endif
 723
 724 #if CONFIG_DNXHD_MUXER
 725 AVOutputFormat dnxhd_muxer = {
 726     "dnxhd",
 727     NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
 728     NULL,
 729     "dnxhd",
 730     0,
 731     CODEC_ID_NONE,
 732     CODEC_ID_DNXHD,
 733     NULL,
 734     raw_write_packet,
 735     .flags= AVFMT_NOTIMESTAMPS,
 736 };
 737 #endif
 738
 739 #if CONFIG_DTS_DEMUXER
 740 AVInputFormat dts_demuxer = {
 741     "dts",
 742     NULL_IF_CONFIG_SMALL("raw DTS"),
 743     0,
 744     dts_probe,
 745     audio_read_header,
 746     raw_read_partial_packet,
 747     .flags= AVFMT_GENERIC_INDEX,
 748     .extensions = "dts",
 749     .value = CODEC_ID_DTS,
 750 };
 751 #endif
 752
 753 #if CONFIG_DTS_MUXER
 754 AVOutputFormat dts_muxer = {
 755     "dts",
 756     NULL_IF_CONFIG_SMALL("raw DTS"),
 757     "audio/x-dca",
 758     "dts",
 759     0,
 760     CODEC_ID_DTS,
 761     CODEC_ID_NONE,
 762     NULL,
 763     raw_write_packet,
 764     .flags= AVFMT_NOTIMESTAMPS,
 765 };
 766 #endif
 767
 768 #if CONFIG_EAC3_DEMUXER
 769 AVInputFormat eac3_demuxer = {
 770     "eac3",
 771     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 772     0,
 773     eac3_probe,
 774     audio_read_header,
 775     raw_read_partial_packet,
 776     .flags= AVFMT_GENERIC_INDEX,
 777     .extensions = "eac3",
 778     .value = CODEC_ID_EAC3,
 779 };
 780 #endif
 781
 782 #if CONFIG_EAC3_MUXER
 783 AVOutputFormat eac3_muxer = {
 784     "eac3",
 785     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
 786     "audio/x-eac3",
 787     "eac3",
 788     0,
 789     CODEC_ID_EAC3,
 790     CODEC_ID_NONE,
 791     NULL,
 792     raw_write_packet,
 793     .flags= AVFMT_NOTIMESTAMPS,
 794 };
 795 #endif
 796
 797 #if CONFIG_FLAC_DEMUXER
 798 AVInputFormat flac_demuxer = {
 799     "flac",
 800     NULL_IF_CONFIG_SMALL("raw FLAC"),
 801     0,
 802     flac_probe,
 803     audio_read_header,
 804     raw_read_partial_packet,
 805     .flags= AVFMT_GENERIC_INDEX,
 806     .extensions = "flac",
 807     .value = CODEC_ID_FLAC,
 808 };
 809 #endif
 810
 811 #if CONFIG_FLAC_MUXER
 812 AVOutputFormat flac_muxer = {
 813     "flac",
 814     NULL_IF_CONFIG_SMALL("raw FLAC"),
 815     "audio/x-flac",
 816     "flac",
 817     0,
 818     CODEC_ID_FLAC,
 819     CODEC_ID_NONE,
 820     flac_write_header,
 821     raw_write_packet,
 822     flac_write_trailer,
 823     .flags= AVFMT_NOTIMESTAMPS,
 824 };
 825 #endif
 826
 827 #if CONFIG_GSM_DEMUXER
 828 AVInputFormat gsm_demuxer = {
 829     "gsm",
 830     NULL_IF_CONFIG_SMALL("GSM"),
 831     0,
 832     NULL,
 833     audio_read_header,
 834     raw_read_partial_packet,
 835     .flags= AVFMT_GENERIC_INDEX,
 836     .extensions = "gsm",
 837     .value = CODEC_ID_GSM,
 838 };
 839 #endif
 840
 841 #if CONFIG_H261_DEMUXER
 842 AVInputFormat h261_demuxer = {
 843     "h261",
 844     NULL_IF_CONFIG_SMALL("raw H.261"),
 845     0,
 846     h261_probe,
 847     video_read_header,
 848     raw_read_partial_packet,
 849     .flags= AVFMT_GENERIC_INDEX,
 850     .extensions = "h261",
 851     .value = CODEC_ID_H261,
 852 };
 853 #endif
 854
 855 #if CONFIG_H261_MUXER
 856 AVOutputFormat h261_muxer = {
 857     "h261",
 858     NULL_IF_CONFIG_SMALL("raw H.261"),
 859     "video/x-h261",
 860     "h261",
 861     0,
 862     CODEC_ID_NONE,
 863     CODEC_ID_H261,
 864     NULL,
 865     raw_write_packet,
 866     .flags= AVFMT_NOTIMESTAMPS,
 867 };
 868 #endif
 869
 870 #if CONFIG_H263_DEMUXER
 871 AVInputFormat h263_demuxer = {
 872     "h263",
 873     NULL_IF_CONFIG_SMALL("raw H.263"),
 874     0,
 875     h263_probe,
 876     video_read_header,
 877     raw_read_partial_packet,
 878     .flags= AVFMT_GENERIC_INDEX,
 879 //    .extensions = "h263", //FIXME remove after writing mpeg4_probe
 880     .value = CODEC_ID_H263,
 881 };
 882 #endif
 883
 884 #if CONFIG_H263_MUXER
 885 AVOutputFormat h263_muxer = {
 886     "h263",
 887     NULL_IF_CONFIG_SMALL("raw H.263"),
 888     "video/x-h263",
 889     "h263",
 890     0,
 891     CODEC_ID_NONE,
 892     CODEC_ID_H263,
 893     NULL,
 894     raw_write_packet,
 895     .flags= AVFMT_NOTIMESTAMPS,
 896 };
 897 #endif
 898
 899 #if CONFIG_H264_DEMUXER
 900 AVInputFormat h264_demuxer = {
 901     "h264",
 902     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 903     0,
 904     h264_probe,
 905     video_read_header,
 906     raw_read_partial_packet,
 907     .flags= AVFMT_GENERIC_INDEX,
 908     .extensions = "h26l,h264,264", //FIXME remove after writing mpeg4_probe
 909     .value = CODEC_ID_H264,
 910 };
 911 #endif
 912
 913 #if CONFIG_H264_MUXER
 914 AVOutputFormat h264_muxer = {
 915     "h264",
 916     NULL_IF_CONFIG_SMALL("raw H.264 video format"),
 917     NULL,
 918     "h264",
 919     0,
 920     CODEC_ID_NONE,
 921     CODEC_ID_H264,
 922     NULL,
 923     raw_write_packet,
 924     .flags= AVFMT_NOTIMESTAMPS,
 925 };
 926 #endif
 927
 928 #if CONFIG_INGENIENT_DEMUXER
 929 AVInputFormat ingenient_demuxer = {
 930     "ingenient",
 931     NULL_IF_CONFIG_SMALL("Ingenient MJPEG"),
 932     0,
 933     NULL,
 934     video_read_header,
 935     ingenient_read_packet,
 936     .flags= AVFMT_GENERIC_INDEX,
 937     .extensions = "cgi", // FIXME
 938     .value = CODEC_ID_MJPEG,
 939 };
 940 #endif
 941
 942 #if CONFIG_M4V_DEMUXER
 943 AVInputFormat m4v_demuxer = {
 944     "m4v",
 945     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 946     0,
 947     mpeg4video_probe, /** probing for MPEG-4 data */
 948     video_read_header,
 949     raw_read_partial_packet,
 950     .flags= AVFMT_GENERIC_INDEX,
 951     .extensions = "m4v",
 952     .value = CODEC_ID_MPEG4,
 953 };
 954 #endif
 955
 956 #if CONFIG_M4V_MUXER
 957 AVOutputFormat m4v_muxer = {
 958     "m4v",
 959     NULL_IF_CONFIG_SMALL("raw MPEG-4 video format"),
 960     NULL,
 961     "m4v",
 962     0,
 963     CODEC_ID_NONE,
 964     CODEC_ID_MPEG4,
 965     NULL,
 966     raw_write_packet,
 967     .flags= AVFMT_NOTIMESTAMPS,
 968 };
 969 #endif
 970
 971 #if CONFIG_MJPEG_DEMUXER
 972 AVInputFormat mjpeg_demuxer = {
 973     "mjpeg",
 974     NULL_IF_CONFIG_SMALL("MJPEG video"),
 975     0,
 976     NULL,
 977     video_read_header,
 978     raw_read_partial_packet,
 979     .flags= AVFMT_GENERIC_INDEX,
 980     .extensions = "mjpg,mjpeg",
 981     .value = CODEC_ID_MJPEG,
 982 };
 983 #endif
 984
 985 #if CONFIG_MJPEG_MUXER
 986 AVOutputFormat mjpeg_muxer = {
 987     "mjpeg",
 988     NULL_IF_CONFIG_SMALL("MJPEG video"),
 989     "video/x-mjpeg",
 990     "mjpg,mjpeg",
 991     0,
 992     CODEC_ID_NONE,
 993     CODEC_ID_MJPEG,
 994     NULL,
 995     raw_write_packet,
 996     .flags= AVFMT_NOTIMESTAMPS,
 997 };
 998 #endif
 999
1000 #if CONFIG_MLP_DEMUXER
1001 AVInputFormat mlp_demuxer = {
1002     "mlp",
1003     NULL_IF_CONFIG_SMALL("raw MLP"),
1004     0,
1005     NULL,
1006     audio_read_header,
1007     raw_read_partial_packet,
1008     .flags= AVFMT_GENERIC_INDEX,
1009     .extensions = "mlp",
1010     .value = CODEC_ID_MLP,
1011 };
1012 #endif
1013
1014 #if CONFIG_MPEG1VIDEO_MUXER
1015 AVOutputFormat mpeg1video_muxer = {
1016     "mpeg1video",
1017     NULL_IF_CONFIG_SMALL("MPEG video"),
1018     "video/x-mpeg",
1019     "mpg,mpeg,m1v",
1020     0,
1021     CODEC_ID_NONE,
1022     CODEC_ID_MPEG1VIDEO,
1023     NULL,
1024     raw_write_packet,
1025     .flags= AVFMT_NOTIMESTAMPS,
1026 };
1027 #endif
1028
1029 #if CONFIG_MPEG2VIDEO_MUXER
1030 AVOutputFormat mpeg2video_muxer = {
1031     "mpeg2video",
1032     NULL_IF_CONFIG_SMALL("MPEG-2 video"),
1033     NULL,
1034     "m2v",
1035     0,
1036     CODEC_ID_NONE,
1037     CODEC_ID_MPEG2VIDEO,
1038     NULL,
1039     raw_write_packet,
1040     .flags= AVFMT_NOTIMESTAMPS,
1041 };
1042 #endif
1043
1044 #if CONFIG_MPEGVIDEO_DEMUXER
1045 AVInputFormat mpegvideo_demuxer = {
1046     "mpegvideo",
1047     NULL_IF_CONFIG_SMALL("MPEG video"),
1048     0,
1049     mpegvideo_probe,
1050     video_read_header,
1051     raw_read_partial_packet,
1052     .flags= AVFMT_GENERIC_INDEX,
1053     .value = CODEC_ID_MPEG1VIDEO,
1054 };
1055 #endif
1056
1057 #if CONFIG_NULL_MUXER
1058 AVOutputFormat null_muxer = {
1059     "null",
1060     NULL_IF_CONFIG_SMALL("null video format"),
1061     NULL,
1062     NULL,
1063     0,
1064 #ifdef WORDS_BIGENDIAN
1065     CODEC_ID_PCM_S16BE,
1066 #else
1067     CODEC_ID_PCM_S16LE,
1068 #endif
1069     CODEC_ID_RAWVIDEO,
1070     NULL,
1071     null_write_packet,
1072     .flags = AVFMT_NOFILE | AVFMT_RAWPICTURE | AVFMT_NOTIMESTAMPS,
1073 };
1074 #endif
1075
1076 #if CONFIG_RAWVIDEO_DEMUXER
1077 AVInputFormat rawvideo_demuxer = {
1078     "rawvideo",
1079     NULL_IF_CONFIG_SMALL("raw video format"),
1080     0,
1081     NULL,
1082     raw_read_header,
1083     rawvideo_read_packet,
1084     .flags= AVFMT_GENERIC_INDEX,
1085     .extensions = "yuv,cif,qcif,rgb",
1086     .value = CODEC_ID_RAWVIDEO,
1087 };
1088 #endif
1089
1090 #if CONFIG_RAWVIDEO_MUXER
1091 AVOutputFormat rawvideo_muxer = {
1092     "rawvideo",
1093     NULL_IF_CONFIG_SMALL("raw video format"),
1094     NULL,
1095     "yuv,rgb",
1096     0,
1097     CODEC_ID_NONE,
1098     CODEC_ID_RAWVIDEO,
1099     NULL,
1100     raw_write_packet,
1101     .flags= AVFMT_NOTIMESTAMPS,
1102 };
1103 #endif
1104
1105 #if CONFIG_ROQ_MUXER
1106 AVOutputFormat roq_muxer =
1107 {
1108     "RoQ",
1109     NULL_IF_CONFIG_SMALL("id RoQ format"),
1110     NULL,
1111     "roq",
1112     0,
1113     CODEC_ID_ROQ_DPCM,
1114     CODEC_ID_ROQ,
1115     roq_write_header,
1116     raw_write_packet,
1117 };
1118 #endif
1119
1120 #if CONFIG_SHORTEN_DEMUXER
1121 AVInputFormat shorten_demuxer = {
1122     "shn",
1123     NULL_IF_CONFIG_SMALL("raw Shorten"),
1124     0,
1125     NULL,
1126     audio_read_header,
1127     raw_read_partial_packet,
1128     .flags= AVFMT_GENERIC_INDEX,
1129     .extensions = "shn",
1130     .value = CODEC_ID_SHORTEN,
1131 };
1132 #endif
1133
1134 #if CONFIG_VC1_DEMUXER
1135 AVInputFormat vc1_demuxer = {
1136     "vc1",
1137     NULL_IF_CONFIG_SMALL("raw VC-1"),
1138     0,
1139     NULL /* vc1_probe */,
1140     video_read_header,
1141     raw_read_partial_packet,
1142     .extensions = "vc1",
1143     .value = CODEC_ID_VC1,
1144 };
1145 #endif
1146
1147 /* PCM formats */
1148
1149 #define PCMINPUTDEF(name, long_name, ext, codec) \
1150 AVInputFormat pcm_ ## name ## _demuxer = {\
1151     #name,\
1152     NULL_IF_CONFIG_SMALL(long_name),\
1153     0,\
1154     NULL,\
1155     raw_read_header,\
1156     raw_read_packet,\
1157     NULL,\
1158     pcm_read_seek,\
1159     .flags= AVFMT_GENERIC_INDEX,\
1160     .extensions = ext,\
1161     .value = codec,\
1162 };
1163
1164 #define PCMOUTPUTDEF(name, long_name, ext, codec) \
1165 AVOutputFormat pcm_ ## name ## _muxer = {\
1166     #name,\
1167     NULL_IF_CONFIG_SMALL(long_name),\
1168     NULL,\
1169     ext,\
1170     0,\
1171     codec,\
1172     CODEC_ID_NONE,\
1173     NULL,\
1174     raw_write_packet,\
1175     .flags= AVFMT_NOTIMESTAMPS,\
1176 };
1177
1178
1179 #if  !CONFIG_MUXERS && CONFIG_DEMUXERS
1180 #define PCMDEF(name, long_name, ext, codec) \
1181         PCMINPUTDEF(name, long_name, ext, codec)
1182 #elif CONFIG_MUXERS && !CONFIG_DEMUXERS
1183 #define PCMDEF(name, long_name, ext, codec) \
1184         PCMOUTPUTDEF(name, long_name, ext, codec)
1185 #elif CONFIG_MUXERS && CONFIG_DEMUXERS
1186 #define PCMDEF(name, long_name, ext, codec) \
1187         PCMINPUTDEF(name, long_name, ext, codec)\
1188         PCMOUTPUTDEF(name, long_name, ext, codec)
1189 #else
1190 #define PCMDEF(name, long_name, ext, codec)
1191 #endif
1192
1193 #ifdef WORDS_BIGENDIAN
1194 #define BE_DEF(s) s
1195 #define LE_DEF(s) NULL
1196 #else
1197 #define BE_DEF(s) NULL
1198 #define LE_DEF(s) s
1199 #endif
1200
1201 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
1202        NULL, CODEC_ID_PCM_F64BE)
1203
1204 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
1205        NULL, CODEC_ID_PCM_F64LE)
1206
1207 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
1208        NULL, CODEC_ID_PCM_F32BE)
1209
1210 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
1211        NULL, CODEC_ID_PCM_F32LE)
1212
1213 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
1214        NULL, CODEC_ID_PCM_S32BE)
1215
1216 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
1217        NULL, CODEC_ID_PCM_S32LE)
1218
1219 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
1220        NULL, CODEC_ID_PCM_S24BE)
1221
1222 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
1223        NULL, CODEC_ID_PCM_S24LE)
1224
1225 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
1226        BE_DEF("sw"), CODEC_ID_PCM_S16BE)
1227
1228 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
1229        LE_DEF("sw"), CODEC_ID_PCM_S16LE)
1230
1231 PCMDEF(s8, "PCM signed 8 bit format",
1232        "sb", CODEC_ID_PCM_S8)
1233
1234 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
1235        NULL, CODEC_ID_PCM_U32BE)
1236
1237 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
1238        NULL, CODEC_ID_PCM_U32LE)
1239
1240 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
1241        NULL, CODEC_ID_PCM_U24BE)
1242
1243 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
1244        NULL, CODEC_ID_PCM_U24LE)
1245
1246 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
1247        BE_DEF("uw"), CODEC_ID_PCM_U16BE)
1248
1249 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
1250        LE_DEF("uw"), CODEC_ID_PCM_U16LE)
1251
1252 PCMDEF(u8, "PCM unsigned 8 bit format",
1253        "ub", CODEC_ID_PCM_U8)
1254
1255 PCMDEF(alaw, "PCM A-law format",
1256        "al", CODEC_ID_PCM_ALAW)
1257
1258 PCMDEF(mulaw, "PCM mu-law format",
1259        "ul", CODEC_ID_PCM_MULAW)