git.sesse.net Git - vlc/blob - modules/mux/avi.c

   1 /*****************************************************************************
   2  * avi.c
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 VideoLAN
   5  * $Id: avi.c,v 1.2 2003/01/13 02:33:13 fenrir Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <string.h>
  31 #include <errno.h>
  32 #include <fcntl.h>
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/input.h>
  36 #include <vlc/sout.h>
  37
  38 #ifdef HAVE_UNISTD_H
  39 #   include <unistd.h>
  40 #elif defined( _MSC_VER ) && defined( _WIN32 ) && !defined( UNDER_CE )
  41 #   include <io.h>
  42 #endif
  43
  44 #include "codecs.h"
  45
  46
  47 #define AVIF_HASINDEX       0x00000010  // Index at end of file?
  48 #define AVIF_MUSTUSEINDEX   0x00000020
  49 #define AVIF_ISINTERLEAVED  0x00000100
  50 #define AVIF_TRUSTCKTYPE    0x00000800  // Use CKType to find key frames?
  51 #define AVIF_WASCAPTUREFILE 0x00010000
  52 #define AVIF_COPYRIGHTED    0x00020000
  53
  54 /*****************************************************************************
  55  * Exported prototypes
  56  *****************************************************************************/
  57 static int     Open   ( vlc_object_t * );
  58 static void    Close  ( vlc_object_t * );
  59
  60 static int AddStream( sout_instance_t *, sout_input_t * );
  61 static int DelStream( sout_instance_t *, sout_input_t * );
  62 static int Mux      ( sout_instance_t * );
  63
  64 static sout_buffer_t *avi_HeaderCreateRIFF( sout_instance_t *p_sout );
  65
  66 static void SetFCC( uint8_t *p, char *fcc )
  67 {
  68     p[0] = fcc[0];
  69     p[1] = fcc[1];
  70     p[2] = fcc[2];
  71     p[3] = fcc[3];
  72 }
  73
  74 static void SetDWLE( uint8_t *p, uint32_t i_dw )
  75 {
  76     p[3] = ( i_dw >> 24 )&0xff;
  77     p[2] = ( i_dw >> 16 )&0xff;
  78     p[1] = ( i_dw >>  8 )&0xff;
  79     p[0] = ( i_dw       )&0xff;
  80 }
  81
  82 /*****************************************************************************
  83  * Module descriptor
  84  *****************************************************************************/
  85 vlc_module_begin();
  86     set_description( _("Avi muxer") );
  87     set_capability( "sout mux", 5 );
  88     add_shortcut( "avi" );
  89     set_callbacks( Open, Close );
  90 vlc_module_end();
  91
  92 // FIXME FIXME
  93 #define HDR_SIZE 10240
  94
  95 typedef struct avi_stream_s
  96 {
  97     int i_cat;
  98
  99     char fcc[4];
 100
 101     mtime_t i_duration;       // in µs
 102
 103     int     i_frames;        // total frame count
 104     int64_t i_totalsize;    // total stream size
 105
 106     float   f_fps;
 107     int     i_bitrate;
 108
 109     BITMAPINFOHEADER    *p_bih;
 110     WAVEFORMATEX        *p_wf;
 111
 112 } avi_stream_t;
 113
 114 typedef struct sout_mux_s
 115 {
 116     int i_streams;
 117     int i_stream_video;
 118
 119     off_t i_movi_size;
 120     avi_stream_t stream[100];
 121
 122 } sout_mux_t;
 123
 124 /*****************************************************************************
 125  * Open:
 126  *****************************************************************************/
 127 static int Open( vlc_object_t *p_this )
 128 {
 129     sout_instance_t     *p_sout = (sout_instance_t*)p_this;
 130     sout_mux_t          *p_mux;
 131     sout_buffer_t       *p_hdr;
 132
 133     p_mux = malloc( sizeof( sout_mux_t ) );
 134     p_mux->i_streams = 0;
 135     p_mux->i_stream_video = -1;
 136     p_mux->i_movi_size = 0;
 137
 138     msg_Info( p_sout, "Open" );
 139
 140     p_sout->pf_mux_addstream = AddStream;
 141     p_sout->pf_mux_delstream = DelStream;
 142     p_sout->pf_mux           = Mux;
 143     p_sout->p_mux_data = (void*)p_mux;
 144     p_sout->i_mux_preheader  = 8; // (fourcc,length) header
 145
 146     /* room to add header at the end */
 147     p_hdr = sout_BufferNew( p_sout, HDR_SIZE );
 148     memset( p_hdr->p_buffer, 0, HDR_SIZE );
 149     p_sout->pf_write( p_sout, p_hdr );
 150
 151     return VLC_SUCCESS;
 152 }
 153
 154 /*****************************************************************************
 155  * Close:
 156  *****************************************************************************/
 157
 158 static void Close( vlc_object_t * p_this )
 159 {
 160     sout_instance_t     *p_sout = (sout_instance_t*)p_this;
 161     sout_mux_t          *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 162     sout_buffer_t       *p_hdr;
 163     int                 i_stream;
 164
 165     msg_Info( p_sout, "Close" );
 166
 167     for( i_stream = 0; i_stream < p_mux->i_streams; i_stream++ )
 168     {
 169         avi_stream_t *p_stream;
 170
 171         p_stream = &p_mux->stream[i_stream];
 172
 173         p_stream->f_fps = 25;
 174         if( p_stream->i_duration > 0 )
 175         {
 176             p_stream->f_fps = (float)p_stream->i_frames /
 177                               ( (float)p_stream->i_duration /
 178                                 (float)1000000 );
 179         }
 180         p_stream->i_bitrate = 128 * 1024;
 181         if( p_stream->i_duration > 0 )
 182         {
 183             p_stream->i_bitrate =
 184                 8 * (uint64_t)1000000 *
 185                     (uint64_t)p_stream->i_totalsize /
 186                     (uint64_t)p_stream->i_duration;
 187         }
 188         msg_Err( p_sout,"stream[%d] duration:%lld totalsize:%lld frames:%d fps:%f kb/s:%d",
 189                 i_stream,
 190                 p_stream->i_duration/1000000, p_stream->i_totalsize,
 191                 p_stream->i_frames,
 192                 p_stream->f_fps, p_stream->i_bitrate/1024 );
 193     }
 194
 195     p_hdr = avi_HeaderCreateRIFF( p_sout );
 196     p_sout->pf_seek( p_sout, 0 );
 197     p_sout->pf_write( p_sout, p_hdr );
 198 }
 199
 200
 201 static int AddStream( sout_instance_t *p_sout, sout_input_t *p_input )
 202 {
 203     sout_mux_t          *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 204     avi_stream_t        *p_stream;
 205
 206     if( p_mux->i_streams >= 100 )
 207     {
 208         msg_Err( p_sout, "too many streams" );
 209         return( -1 );
 210     }
 211     if( p_input->input_format.p_format == NULL )
 212     {
 213         msg_Err( p_sout, "stream descriptor missing" );
 214         return( -1 );
 215     }
 216
 217     msg_Dbg( p_sout, "adding input" );
 218     p_input->p_mux_data = malloc( sizeof( int ) );
 219
 220     *((int*)p_input->p_mux_data) = p_mux->i_streams;
 221     p_stream = &p_mux->stream[p_mux->i_streams];
 222
 223     switch( p_input->input_format.i_cat )
 224     {
 225         case AUDIO_ES:
 226             {
 227                 WAVEFORMATEX *p_wf =
 228                     (WAVEFORMATEX*)p_input->input_format.p_format;
 229
 230                 p_stream->i_cat = AUDIO_ES;
 231                 p_stream->fcc[0] = '0' + p_mux->i_streams / 10;
 232                 p_stream->fcc[1] = '0' + p_mux->i_streams % 10;
 233                 p_stream->fcc[2] = 'w';
 234                 p_stream->fcc[3] = 'b';
 235
 236                 p_stream->p_bih = NULL;
 237                 p_stream->p_wf  = malloc( sizeof( WAVEFORMATEX ) + p_wf->cbSize );
 238                 memcpy( p_stream->p_wf,
 239                         p_wf,
 240                         sizeof( WAVEFORMATEX ) + p_wf->cbSize);
 241             }
 242             break;
 243         case VIDEO_ES:
 244             {
 245                 BITMAPINFOHEADER *p_bih =
 246                     (BITMAPINFOHEADER*)p_input->input_format.p_format;;
 247
 248                 p_stream->i_cat = VIDEO_ES;
 249                 p_stream->fcc[0] = '0' + p_mux->i_streams / 10;
 250                 p_stream->fcc[1] = '0' + p_mux->i_streams % 10;
 251                 p_stream->fcc[2] = 'd';
 252                 p_stream->fcc[3] = 'c';
 253                 if( p_mux->i_stream_video < 0 )
 254                 {
 255                     p_mux->i_stream_video = p_mux->i_streams;
 256                 }
 257                 p_stream->p_wf  = NULL;
 258                 p_stream->p_bih = malloc( p_bih->biSize );
 259                 memcpy( p_stream->p_bih,
 260                         p_bih,
 261                         p_bih->biSize );
 262             }
 263             break;
 264         default:
 265             return( -1 );
 266     }
 267     p_stream->i_totalsize = 0;
 268     p_stream->i_frames     = 0;
 269     p_stream->i_duration  = 0;
 270
 271     p_mux->i_streams++;
 272     return( 0 );
 273 }
 274
 275 static int DelStream( sout_instance_t *p_sout, sout_input_t *p_input )
 276 {
 277 //    sout_mux_t          *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 278
 279     msg_Dbg( p_sout, "removing input" );
 280
 281     free( p_input->p_mux_data ); p_input->p_mux_data = NULL;
 282
 283     return( 0 );
 284 }
 285
 286 static int Mux      ( sout_instance_t *p_sout )
 287 {
 288     sout_mux_t          *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 289     avi_stream_t        *p_stream;
 290     int i_stream;
 291     int i;
 292
 293     for( i = 0; i < p_sout->i_nb_inputs; i++ )
 294     {
 295         int i_count;
 296         sout_fifo_t *p_fifo;
 297
 298         i_stream = *((int*)p_sout->pp_inputs[i]->p_mux_data );
 299         p_stream = &p_mux->stream[i_stream];
 300
 301         p_fifo = p_sout->pp_inputs[i]->p_fifo;
 302         i_count = p_fifo->i_depth;
 303         while( i_count > 0 )
 304         {
 305             sout_buffer_t *p_data;
 306
 307             p_data = sout_FifoGet( p_fifo );
 308
 309             p_stream->i_frames++;
 310             p_stream->i_duration  += p_data->i_length;
 311             p_stream->i_totalsize += p_data->i_size;
 312
 313             if( sout_BufferReallocFromPreHeader( p_sout, p_data, 8 ) )
 314             {
 315                 /* there isn't enough data in preheader */
 316                 sout_buffer_t *p_hdr;
 317
 318                 p_hdr = sout_BufferNew( p_sout, 8 );
 319                 SetFCC( p_hdr->p_buffer, p_stream->fcc );
 320                 SetDWLE( p_hdr->p_buffer + 4, p_data->i_size );
 321
 322                 p_sout->pf_write( p_sout, p_hdr );
 323                 p_mux->i_movi_size += p_hdr->i_size;
 324
 325             }
 326             else
 327             {
 328                 SetFCC( p_data->p_buffer, p_stream->fcc );
 329                 SetDWLE( p_data->p_buffer + 4, p_data->i_size - 8 );
 330             }
 331
 332             if( p_data->i_size & 0x01 )
 333             {
 334                 sout_BufferRealloc( p_sout, p_data, p_data->i_size + 1 );
 335                 p_data->i_size += 1;
 336             }
 337
 338             p_sout->pf_write( p_sout, p_data );
 339             p_mux->i_movi_size += p_data->i_size;
 340
 341             i_count--;
 342         }
 343
 344     }
 345     return( 0 );
 346 }
 347
 348 /****************************************************************************/
 349 /****************************************************************************/
 350 /****************************************************************************/
 351 /****************************************************************************/
 352
 353 typedef struct buffer_out_s
 354 {
 355     int      i_buffer_size;
 356     int      i_buffer;
 357     uint8_t  *p_buffer;
 358
 359 } buffer_out_t;
 360
 361 static void bo_Init( buffer_out_t *p_bo, int i_size, uint8_t *p_buffer )
 362 {
 363     p_bo->i_buffer_size = i_size;
 364     p_bo->i_buffer = 0;
 365     p_bo->p_buffer = p_buffer;
 366 }
 367 static void bo_AddByte( buffer_out_t *p_bo, uint8_t i )
 368 {
 369     if( p_bo->i_buffer < p_bo->i_buffer_size )
 370     {
 371         p_bo->p_buffer[p_bo->i_buffer] = i;
 372     }
 373     p_bo->i_buffer++;
 374 }
 375 static void bo_AddWordLE( buffer_out_t *p_bo, uint16_t i )
 376 {
 377     bo_AddByte( p_bo, i &0xff );
 378     bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
 379 }
 380 static void bo_AddWordBE( buffer_out_t *p_bo, uint16_t i )
 381 {
 382     bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
 383     bo_AddByte( p_bo, i &0xff );
 384 }
 385 static void bo_AddDWordLE( buffer_out_t *p_bo, uint32_t i )
 386 {
 387     bo_AddWordLE( p_bo, i &0xffff );
 388     bo_AddWordLE( p_bo, ( ( i >> 16) &0xffff ) );
 389 }
 390 static void bo_AddDWordBE( buffer_out_t *p_bo, uint32_t i )
 391 {
 392     bo_AddWordLE( p_bo, ( ( i >> 16) &0xffff ) );
 393     bo_AddWordLE( p_bo, i &0xffff );
 394 }
 395 #if 0
 396 static void bo_AddLWordLE( buffer_out_t *p_bo, uint64_t i )
 397 {
 398     bo_AddDWordLE( p_bo, i &0xffffffff );
 399     bo_AddDWordLE( p_bo, ( ( i >> 32) &0xffffffff ) );
 400 }
 401 static void bo_AddLWordBE( buffer_out_t *p_bo, uint64_t i )
 402 {
 403     bo_AddDWordBE( p_bo, ( ( i >> 32) &0xffffffff ) );
 404     bo_AddDWordBE( p_bo, i &0xffffffff );
 405 }
 406 #endif
 407
 408 static void bo_AddFCC( buffer_out_t *p_bo, char *fcc )
 409 {
 410     bo_AddByte( p_bo, fcc[0] );
 411     bo_AddByte( p_bo, fcc[1] );
 412     bo_AddByte( p_bo, fcc[2] );
 413     bo_AddByte( p_bo, fcc[3] );
 414 }
 415
 416 static void bo_AddMem( buffer_out_t *p_bo, int i_size, uint8_t *p_mem )
 417 {
 418     int i;
 419
 420     for( i = 0; i < i_size; i++ )
 421     {
 422         bo_AddByte( p_bo, p_mem[i] );
 423     }
 424 }
 425
 426 /****************************************************************************
 427  ****************************************************************************
 428  **
 429  ** avi header generation
 430  **
 431  ****************************************************************************
 432  ****************************************************************************/
 433 #define AVI_BOX_ENTER( fcc ) \
 434     buffer_out_t _bo_sav_; \
 435     bo_AddFCC( p_bo, fcc ); \
 436     _bo_sav_ = *p_bo; \
 437     bo_AddDWordLE( p_bo, 0 )
 438
 439 #define AVI_BOX_ENTER_LIST( fcc ) \
 440     AVI_BOX_ENTER( "LIST" ); \
 441     bo_AddFCC( p_bo, fcc )
 442
 443 #define AVI_BOX_EXIT( i_err ) \
 444     if( p_bo->i_buffer&0x01 ) bo_AddByte( p_bo, 0 ); \
 445     bo_AddDWordLE( &_bo_sav_, p_bo->i_buffer - _bo_sav_.i_buffer - 4 ); \
 446     return( i_err );
 447
 448 static int avi_HeaderAdd_avih( sout_instance_t *p_sout,
 449                                buffer_out_t *p_bo )
 450 {
 451     sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 452     avi_stream_t *p_video = NULL;
 453     int         i_stream;
 454     uint32_t    i_microsecperframe;
 455     int         i_maxbytespersec;
 456     int         i_totalframes;
 457     AVI_BOX_ENTER( "avih" );
 458
 459     if( p_mux->i_stream_video >= 0 )
 460     {
 461         p_video = &p_mux->stream[p_mux->i_stream_video];
 462         if( p_video->i_frames <= 0 )
 463         {
 464             p_video = NULL;
 465         }
 466     }
 467
 468     if( p_video )
 469     {
 470         i_microsecperframe =
 471             (uint32_t)( (float)1000000 /
 472                         (float)p_mux->stream[p_mux->i_stream_video].f_fps );
 473         i_totalframes = p_mux->stream[p_mux->i_stream_video].i_frames;
 474     }
 475     else
 476     {
 477         msg_Warn( p_sout, "avi file without audio video track isn't a good idea..." );
 478         i_microsecperframe = 0;
 479         i_totalframes = 0;
 480     }
 481
 482     for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_mux->i_streams; i_stream++ )
 483     {
 484         if( p_mux->stream[p_mux->i_stream_video].i_duration > 0 )
 485         {
 486             i_maxbytespersec +=
 487                 p_mux->stream[p_mux->i_stream_video].i_totalsize /
 488                 p_mux->stream[p_mux->i_stream_video].i_duration;
 489         }
 490     }
 491
 492     bo_AddDWordLE( p_bo, i_microsecperframe );
 493     bo_AddDWordLE( p_bo, i_maxbytespersec );
 494     bo_AddDWordLE( p_bo, 0 );                   /* padding */
 495     bo_AddDWordLE( p_bo, AVIF_TRUSTCKTYPE |
 496                          AVIF_HASINDEX |
 497                          AVIF_ISINTERLEAVED );  /* flags */
 498     bo_AddDWordLE( p_bo, i_totalframes );
 499     bo_AddDWordLE( p_bo, 0 );                   /* initial frame */
 500     bo_AddDWordLE( p_bo, p_mux->i_streams );    /* streams count */
 501     bo_AddDWordLE( p_bo, 1024 * 1024 );         /* suggested buffer size */
 502     if( p_video )
 503     {
 504         bo_AddDWordLE( p_bo, p_video->p_bih->biWidth );
 505         bo_AddDWordLE( p_bo, p_video->p_bih->biHeight );
 506     }
 507     else
 508     {
 509         bo_AddDWordLE( p_bo, 0 );
 510         bo_AddDWordLE( p_bo, 0 );
 511     }
 512     bo_AddDWordLE( p_bo, 0 );                   /* ???? */
 513     bo_AddDWordLE( p_bo, 0 );                   /* ???? */
 514     bo_AddDWordLE( p_bo, 0 );                   /* ???? */
 515     bo_AddDWordLE( p_bo, 0 );                   /* ???? */
 516
 517     AVI_BOX_EXIT( 0 );
 518 }
 519 static int avi_HeaderAdd_strh( sout_instance_t *p_sout,
 520                                buffer_out_t *p_bo,
 521                                avi_stream_t *p_stream )
 522 {
 523 //    sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 524     AVI_BOX_ENTER( "strh" );
 525
 526     switch( p_stream->i_cat )
 527     {
 528         case VIDEO_ES:
 529             {
 530                 bo_AddFCC( p_bo, "vids" );
 531                 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
 532                 bo_AddDWordLE( p_bo, 0 );   /* flags */
 533                 bo_AddWordLE(  p_bo, 0 );   /* priority */
 534                 bo_AddWordLE(  p_bo, 0 );   /* langage */
 535                 bo_AddDWordLE( p_bo, 0 );   /* initial frame */
 536                 bo_AddDWordLE( p_bo, 1000 );/* scale */
 537                 bo_AddDWordLE( p_bo, (uint32_t)( 1000 * p_stream->f_fps ));
 538                 bo_AddDWordLE( p_bo, 0 );   /* start */
 539                 bo_AddDWordLE( p_bo, p_stream->i_frames );
 540                 bo_AddDWordLE( p_bo, 1024 * 1024 );
 541                 bo_AddDWordLE( p_bo, -1 );  /* quality */
 542                 bo_AddDWordLE( p_bo, 0 );   /* samplesize */
 543                 bo_AddWordLE(  p_bo, 0 );   /* ??? */
 544                 bo_AddWordLE(  p_bo, 0 );   /* ??? */
 545                 bo_AddWordLE(  p_bo, p_stream->p_bih->biWidth );
 546                 bo_AddWordLE(  p_bo, p_stream->p_bih->biHeight );
 547             }
 548             break;
 549         case AUDIO_ES:
 550             {
 551                 int i_rate, i_scale, i_samplesize;
 552
 553                 i_samplesize = p_stream->p_wf->nBlockAlign;
 554                 if( i_samplesize > 1 )
 555                 {
 556                     i_scale = i_samplesize;
 557                     i_rate = i_scale * p_stream->i_bitrate / 8;
 558                 }
 559                 else
 560                 {
 561                     i_samplesize = 1;
 562                     i_scale = 1000;
 563                     i_rate = 1000 * p_stream->i_bitrate / 8;
 564                 }
 565                 bo_AddFCC( p_bo, "auds" );
 566                 bo_AddDWordLE( p_bo, 1 );   /* tag */
 567                 bo_AddDWordLE( p_bo, 0 );   /* flags */
 568                 bo_AddWordLE(  p_bo, 0 );   /* priority */
 569                 bo_AddWordLE(  p_bo, 0 );   /* langage */
 570                 bo_AddDWordLE( p_bo, 0 );   /* initial frame */
 571                 bo_AddDWordLE( p_bo, i_scale );/* scale */
 572                 bo_AddDWordLE( p_bo, i_rate );
 573                 bo_AddDWordLE( p_bo, 0 );   /* start */
 574                 bo_AddDWordLE( p_bo, p_stream->i_frames );
 575                 bo_AddDWordLE( p_bo, 10 * 1024 );
 576                 bo_AddDWordLE( p_bo, -1 );  /* quality */
 577                 bo_AddDWordLE( p_bo, i_samplesize );
 578                 bo_AddWordLE(  p_bo, 0 );   /* ??? */
 579                 bo_AddWordLE(  p_bo, 0 );   /* ??? */
 580                 bo_AddWordLE(  p_bo, 0 );
 581                 bo_AddWordLE(  p_bo, 0 );
 582             }
 583             break;
 584     }
 585
 586     AVI_BOX_EXIT( 0 );
 587 }
 588
 589 static int avi_HeaderAdd_strf( sout_instance_t *p_sout,
 590                                buffer_out_t *p_bo,
 591                                avi_stream_t *p_stream )
 592 {
 593 //    sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 594     AVI_BOX_ENTER( "strf" );
 595
 596     switch( p_stream->i_cat )
 597     {
 598         case AUDIO_ES:
 599             bo_AddWordLE( p_bo, p_stream->p_wf->wFormatTag );
 600             bo_AddWordLE( p_bo, p_stream->p_wf->nChannels );
 601             bo_AddDWordLE( p_bo, p_stream->p_wf->nSamplesPerSec );
 602             bo_AddDWordLE( p_bo, p_stream->p_wf->nAvgBytesPerSec );
 603             bo_AddWordLE( p_bo, p_stream->p_wf->nBlockAlign );
 604             bo_AddWordLE( p_bo, p_stream->p_wf->wBitsPerSample );
 605             bo_AddWordLE( p_bo, p_stream->p_wf->cbSize );
 606             bo_AddMem( p_bo, p_stream->p_wf->cbSize, (uint8_t*)&p_stream->p_wf[1] );
 607             break;
 608         case VIDEO_ES:
 609             bo_AddDWordLE( p_bo, p_stream->p_bih->biSize );
 610             bo_AddDWordLE( p_bo, p_stream->p_bih->biWidth );
 611             bo_AddDWordLE( p_bo, p_stream->p_bih->biHeight );
 612             bo_AddWordLE( p_bo, p_stream->p_bih->biPlanes );
 613             bo_AddWordLE( p_bo, p_stream->p_bih->biBitCount );
 614             bo_AddDWordLE( p_bo, p_stream->p_bih->biCompression );
 615             bo_AddDWordLE( p_bo, p_stream->p_bih->biSizeImage );
 616             bo_AddDWordLE( p_bo, p_stream->p_bih->biXPelsPerMeter );
 617             bo_AddDWordLE( p_bo, p_stream->p_bih->biYPelsPerMeter );
 618             bo_AddDWordLE( p_bo, p_stream->p_bih->biClrUsed );
 619             bo_AddDWordLE( p_bo, p_stream->p_bih->biClrImportant );
 620             bo_AddMem( p_bo,
 621                        p_stream->p_bih->biSize - sizeof( BITMAPINFOHEADER ),
 622                        (uint8_t*)&p_stream->p_bih[1] );
 623             break;
 624     }
 625
 626     AVI_BOX_EXIT( 0 );
 627 }
 628
 629 static int avi_HeaderAdd_strl( sout_instance_t *p_sout,
 630                                buffer_out_t *p_bo,
 631                                avi_stream_t *p_stream )
 632 {
 633 //    sout_mux_t *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 634     AVI_BOX_ENTER_LIST( "strl" );
 635
 636     avi_HeaderAdd_strh( p_sout, p_bo, p_stream );
 637     avi_HeaderAdd_strf( p_sout, p_bo, p_stream );
 638
 639     AVI_BOX_EXIT( 0 );
 640 }
 641
 642 static sout_buffer_t *avi_HeaderCreateRIFF( sout_instance_t *p_sout )
 643 {
 644     sout_mux_t          *p_mux = (sout_mux_t*)p_sout->p_mux_data;
 645     sout_buffer_t       *p_hdr;
 646     int                 i_stream;
 647     int                 i_maxbytespersec;
 648     int                 i_junk;
 649     buffer_out_t        bo;
 650
 651     p_hdr = sout_BufferNew( p_sout, HDR_SIZE );
 652     memset( p_hdr->p_buffer, 0, HDR_SIZE );
 653
 654     bo_Init( &bo, HDR_SIZE, p_hdr->p_buffer );
 655
 656     bo_AddFCC( &bo, "RIFF" );
 657     bo_AddDWordLE( &bo, p_mux->i_movi_size + HDR_SIZE - 8 );
 658     bo_AddFCC( &bo, "AVI " );
 659
 660     bo_AddFCC( &bo, "LIST" );
 661     bo_AddDWordLE( &bo, HDR_SIZE - 8);
 662     bo_AddFCC( &bo, "hdrl" );
 663
 664     avi_HeaderAdd_avih( p_sout, &bo );
 665     for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_mux->i_streams; i_stream++ )
 666     {
 667         avi_HeaderAdd_strl( p_sout, &bo, &p_mux->stream[i_stream] );
 668     }
 669
 670     i_junk = HDR_SIZE - bo.i_buffer - 8 - 12;
 671     bo_AddFCC( &bo, "JUNK" );
 672     bo_AddDWordLE( &bo, i_junk );
 673
 674     bo.i_buffer += i_junk;
 675     bo_AddFCC( &bo, "LIST" );
 676     bo_AddDWordLE( &bo, p_mux->i_movi_size);
 677     bo_AddFCC( &bo, "movi" );
 678
 679     return( p_hdr );
 680 }