1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
27 /* TODO: add OpenDML write support */
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
37 #include <vlc_block.h>
38 #include <vlc_codecs.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close ( vlc_object_t * );
47 set_description( N_("AVI muxer") );
48 set_category( CAT_SOUT );
49 set_subcategory( SUBCAT_SOUT_MUX );
50 set_capability( "sout mux", 5 );
51 add_shortcut( "avi" );
52 set_callbacks( Open, Close );
56 /*****************************************************************************
58 *****************************************************************************/
59 static int Control( sout_mux_t *, int, va_list );
60 static int AddStream( sout_mux_t *, sout_input_t * );
61 static int DelStream( sout_mux_t *, sout_input_t * );
62 static int Mux ( sout_mux_t * );
64 typedef struct avi_stream_s
70 mtime_t i_duration; // in µs
72 int i_frames; // total frame count
73 int64_t i_totalsize; // total stream size
78 BITMAPINFOHEADER *p_bih;
83 typedef struct avi_idx1_entry_s
92 typedef struct avi_idx1_s
94 unsigned int i_entry_count;
95 unsigned int i_entry_max;
97 avi_idx1_entry_t *entry;
100 struct sout_mux_sys_t
108 avi_stream_t stream[100];
116 #define HDR_SIZE 10240
119 #define AVIF_HASINDEX 0x00000010 // Index at end of file?
120 #define AVIF_ISINTERLEAVED 0x00000100
121 #define AVIF_TRUSTCKTYPE 0x00000800 // Use CKType to find key frames?
123 /* Flags for index */
124 #define AVIIF_KEYFRAME 0x00000010L /* this frame is a key frame.*/
127 static block_t *avi_HeaderCreateRIFF( sout_mux_t * );
128 static block_t *avi_HeaderCreateidx1( sout_mux_t * );
130 static void SetFCC( uint8_t *p, char *fcc )
135 /*****************************************************************************
137 *****************************************************************************/
138 static int Open( vlc_object_t *p_this )
140 sout_mux_t *p_mux = (sout_mux_t*)p_this;
141 sout_mux_sys_t *p_sys = p_mux->p_sys;
143 msg_Dbg( p_mux, "AVI muxer opened" );
145 p_sys = malloc( sizeof( sout_mux_sys_t ) );
146 p_sys->i_streams = 0;
147 p_sys->i_stream_video = -1;
148 p_sys->i_movi_size = 0;
150 p_sys->idx1.i_entry_count = 0;
151 p_sys->idx1.i_entry_max = 10000;
152 p_sys->idx1.entry = calloc( p_sys->idx1.i_entry_max,
153 sizeof( avi_idx1_entry_t ) );
154 p_sys->b_write_header = true;
157 p_mux->pf_control = Control;
158 p_mux->pf_addstream = AddStream;
159 p_mux->pf_delstream = DelStream;
161 p_mux->p_sys = p_sys;
166 /*****************************************************************************
168 *****************************************************************************/
169 static void Close( vlc_object_t * p_this )
171 sout_mux_t *p_mux = (sout_mux_t*)p_this;
172 sout_mux_sys_t *p_sys = p_mux->p_sys;
174 block_t *p_hdr, *p_idx1;
177 msg_Dbg( p_mux, "AVI muxer closed" );
179 /* first create idx1 chunk (write at the end of the stream */
180 p_idx1 = avi_HeaderCreateidx1( p_mux );
181 p_sys->i_idx1_size = p_idx1->i_buffer;
182 sout_AccessOutWrite( p_mux->p_access, p_idx1 );
184 /* calculate some value for headers creations */
185 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
187 avi_stream_t *p_stream;
189 p_stream = &p_sys->stream[i_stream];
191 p_stream->f_fps = 25;
192 if( p_stream->i_duration > 0 )
194 p_stream->f_fps = (float)p_stream->i_frames /
195 ( (float)p_stream->i_duration /
198 p_stream->i_bitrate = 128 * 1024;
199 if( p_stream->i_duration > 0 )
201 p_stream->i_bitrate =
202 8 * (uint64_t)1000000 *
203 (uint64_t)p_stream->i_totalsize /
204 (uint64_t)p_stream->i_duration;
206 msg_Info( p_mux, "stream[%d] duration:%"PRId64" totalsize:%"PRId64
207 " frames:%d fps:%f kb/s:%d",
209 (int64_t)p_stream->i_duration / (int64_t)1000000,
210 p_stream->i_totalsize,
212 p_stream->f_fps, p_stream->i_bitrate/1024 );
215 p_hdr = avi_HeaderCreateRIFF( p_mux );
216 sout_AccessOutSeek( p_mux->p_access, 0 );
217 sout_AccessOutWrite( p_mux->p_access, p_hdr );
220 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
228 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
229 pb_bool = (bool*)va_arg( args, bool * );
233 case MUX_GET_ADD_STREAM_WAIT:
234 pb_bool = (bool*)va_arg( args, bool * );
239 ppsz = (char**)va_arg( args, char ** );
240 *ppsz = strdup( "video/avi" );
248 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
250 sout_mux_sys_t *p_sys = p_mux->p_sys;
251 avi_stream_t *p_stream;
253 if( p_sys->i_streams >= 100 )
255 msg_Err( p_mux, "too many streams" );
259 msg_Dbg( p_mux, "adding input" );
260 p_input->p_sys = malloc( sizeof( int ) );
262 *((int*)p_input->p_sys) = p_sys->i_streams;
263 p_stream = &p_sys->stream[p_sys->i_streams];
265 switch( p_input->p_fmt->i_cat )
268 p_stream->i_cat = AUDIO_ES;
269 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
270 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
271 p_stream->fcc[2] = 'w';
272 p_stream->fcc[3] = 'b';
274 p_stream->p_bih = NULL;
276 p_stream->p_wf = malloc( sizeof( WAVEFORMATEX ) +
277 p_input->p_fmt->i_extra );
278 #define p_wf p_stream->p_wf
279 p_wf->cbSize = p_input->p_fmt->i_extra;
280 if( p_wf->cbSize > 0 )
283 p_input->p_fmt->p_extra,
284 p_input->p_fmt->i_extra );
286 p_wf->nChannels = p_input->p_fmt->audio.i_channels;
287 p_wf->nSamplesPerSec = p_input->p_fmt->audio.i_rate;
288 p_wf->nBlockAlign = p_input->p_fmt->audio.i_blockalign;
289 p_wf->nAvgBytesPerSec= p_input->p_fmt->i_bitrate / 8;
290 p_wf->wBitsPerSample = 0;
292 switch( p_input->p_fmt->i_codec )
294 case VLC_FOURCC( 'a', '5', '2', ' ' ):
295 p_wf->wFormatTag = WAVE_FORMAT_A52;
297 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
298 p_wf->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
300 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
301 p_wf->wFormatTag = WAVE_FORMAT_WMA1;
303 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
304 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
305 p_wf->wFormatTag = WAVE_FORMAT_WMA2;
307 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
308 p_wf->wFormatTag = WAVE_FORMAT_WMAP;
310 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
311 p_wf->wFormatTag = WAVE_FORMAT_WMAL;
314 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
315 p_wf->wFormatTag = WAVE_FORMAT_PCM;
316 p_wf->nBlockAlign= p_wf->nChannels;
317 p_wf->wBitsPerSample = 8;
319 case VLC_FOURCC( 's', '1', '6', 'l' ):
320 p_wf->wFormatTag = WAVE_FORMAT_PCM;
321 p_wf->nBlockAlign= 2 * p_wf->nChannels;
322 p_wf->wBitsPerSample = 16;
324 case VLC_FOURCC( 's', '2', '4', 'l' ):
325 p_wf->wFormatTag = WAVE_FORMAT_PCM;
326 p_wf->nBlockAlign= 3 * p_wf->nChannels;
327 p_wf->wBitsPerSample = 24;
329 case VLC_FOURCC( 's', '3', '2', 'l' ):
330 p_wf->wFormatTag = WAVE_FORMAT_PCM;
331 p_wf->nBlockAlign= 4 * p_wf->nChannels;
332 p_wf->wBitsPerSample = 32;
340 p_stream->i_cat = VIDEO_ES;
341 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
342 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
343 p_stream->fcc[2] = 'd';
344 p_stream->fcc[3] = 'c';
345 if( p_sys->i_stream_video < 0 )
347 p_sys->i_stream_video = p_sys->i_streams;
349 p_stream->p_wf = NULL;
350 p_stream->p_bih = malloc( sizeof( BITMAPINFOHEADER ) +
351 p_input->p_fmt->i_extra );
352 #define p_bih p_stream->p_bih
353 p_bih->biSize = sizeof( BITMAPINFOHEADER ) +
354 p_input->p_fmt->i_extra;
355 if( p_input->p_fmt->i_extra > 0 )
358 p_input->p_fmt->p_extra,
359 p_input->p_fmt->i_extra );
361 p_bih->biWidth = p_input->p_fmt->video.i_width;
362 p_bih->biHeight= p_input->p_fmt->video.i_height;
364 p_bih->biBitCount = 24;
365 p_bih->biSizeImage = 0;
366 p_bih->biXPelsPerMeter = 0;
367 p_bih->biYPelsPerMeter = 0;
368 p_bih->biClrUsed = 0;
369 p_bih->biClrImportant = 0;
370 switch( p_input->p_fmt->i_codec )
372 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
373 p_bih->biCompression = VLC_FOURCC( 'X', 'V', 'I', 'D' );
376 p_bih->biCompression = p_input->p_fmt->i_codec;
382 return( VLC_EGENERIC );
384 p_stream->i_totalsize = 0;
385 p_stream->i_frames = 0;
386 p_stream->i_duration = 0;
389 p_stream->f_fps = 25;
390 p_stream->i_bitrate = 128 * 1024;
393 return( VLC_SUCCESS );
396 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
399 msg_Dbg( p_mux, "removing input" );
401 free( p_input->p_sys );
405 static int Mux ( sout_mux_t *p_mux )
407 sout_mux_sys_t *p_sys = p_mux->p_sys;
408 avi_stream_t *p_stream;
411 if( p_sys->b_write_header )
415 msg_Dbg( p_mux, "writing header" );
417 p_hdr = avi_HeaderCreateRIFF( p_mux );
418 sout_AccessOutWrite( p_mux->p_access, p_hdr );
420 p_sys->b_write_header = false;
423 for( i = 0; i < p_mux->i_nb_inputs; i++ )
426 block_fifo_t *p_fifo;
428 i_stream = *((int*)p_mux->pp_inputs[i]->p_sys );
429 p_stream = &p_sys->stream[i_stream];
431 p_fifo = p_mux->pp_inputs[i]->p_fifo;
432 i_count = block_FifoCount( p_fifo );
435 avi_idx1_entry_t *p_idx;
438 p_data = block_FifoGet( p_fifo );
439 if( block_FifoCount( p_fifo ) > 0 )
441 block_t *p_next = block_FifoShow( p_fifo );
442 p_data->i_length = p_next->i_dts - p_data->i_dts;
445 p_stream->i_frames++;
446 if( p_data->i_length < 0 )
448 msg_Warn( p_mux, "argg length < 0 l" );
449 block_Release( p_data );
453 p_stream->i_duration += p_data->i_length;
454 p_stream->i_totalsize += p_data->i_buffer;
456 /* add idx1 entry for this frame */
457 p_idx = &p_sys->idx1.entry[p_sys->idx1.i_entry_count];
458 memcpy( p_idx->fcc, p_stream->fcc, 4 );
459 p_idx->i_flags = AVIIF_KEYFRAME;
460 p_idx->i_pos = p_sys->i_movi_size + 4;
461 p_idx->i_length= p_data->i_buffer;
462 p_sys->idx1.i_entry_count++;
463 if( p_sys->idx1.i_entry_count >= p_sys->idx1.i_entry_max )
465 p_sys->idx1.i_entry_max += 10000;
466 p_sys->idx1.entry = realloc( p_sys->idx1.entry,
467 p_sys->idx1.i_entry_max * sizeof( avi_idx1_entry_t ) );
470 p_data = block_Realloc( p_data, 8, p_data->i_buffer );
473 SetFCC( p_data->p_buffer, p_stream->fcc );
474 SetDWLE( p_data->p_buffer + 4, p_data->i_buffer - 8 );
476 if( p_data->i_buffer & 0x01 )
478 p_data = block_Realloc( p_data, 0, p_data->i_buffer + 1 );
479 p_data->p_buffer[ p_data->i_buffer - 1 ] = '\0';
482 p_sys->i_movi_size += p_data->i_buffer;
483 sout_AccessOutWrite( p_mux->p_access, p_data );
493 /****************************************************************************/
494 /****************************************************************************/
495 /****************************************************************************/
496 /****************************************************************************/
498 typedef struct buffer_out_s
506 static void bo_Init( buffer_out_t *p_bo, int i_size, uint8_t *p_buffer )
508 p_bo->i_buffer_size = i_size;
510 p_bo->p_buffer = p_buffer;
512 static void bo_AddByte( buffer_out_t *p_bo, uint8_t i )
514 if( p_bo->i_buffer < p_bo->i_buffer_size )
516 p_bo->p_buffer[p_bo->i_buffer] = i;
520 static void bo_AddWordLE( buffer_out_t *p_bo, uint16_t i )
522 bo_AddByte( p_bo, i &0xff );
523 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
525 static void bo_AddWordBE( buffer_out_t *p_bo, uint16_t i )
527 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
528 bo_AddByte( p_bo, i &0xff );
530 static void bo_AddDWordLE( buffer_out_t *p_bo, uint32_t i )
532 bo_AddWordLE( p_bo, i &0xffff );
533 bo_AddWordLE( p_bo, ( ( i >> 16) &0xffff ) );
535 static void bo_AddDWordBE( buffer_out_t *p_bo, uint32_t i )
537 bo_AddWordBE( p_bo, ( ( i >> 16) &0xffff ) );
538 bo_AddWordBE( p_bo, i &0xffff );
541 static void bo_AddLWordLE( buffer_out_t *p_bo, uint64_t i )
543 bo_AddDWordLE( p_bo, i &0xffffffff );
544 bo_AddDWordLE( p_bo, ( ( i >> 32) &0xffffffff ) );
546 static void bo_AddLWordBE( buffer_out_t *p_bo, uint64_t i )
548 bo_AddDWordBE( p_bo, ( ( i >> 32) &0xffffffff ) );
549 bo_AddDWordBE( p_bo, i &0xffffffff );
553 static void bo_AddFCC( buffer_out_t *p_bo, const char *fcc )
555 bo_AddByte( p_bo, fcc[0] );
556 bo_AddByte( p_bo, fcc[1] );
557 bo_AddByte( p_bo, fcc[2] );
558 bo_AddByte( p_bo, fcc[3] );
561 static void bo_AddMem( buffer_out_t *p_bo, int i_size, uint8_t *p_mem )
565 for( i = 0; i < i_size; i++ )
567 bo_AddByte( p_bo, p_mem[i] );
571 /****************************************************************************
572 ****************************************************************************
574 ** avi header generation
576 ****************************************************************************
577 ****************************************************************************/
578 #define AVI_BOX_ENTER( fcc ) \
579 buffer_out_t _bo_sav_; \
580 bo_AddFCC( p_bo, fcc ); \
582 bo_AddDWordLE( p_bo, 0 )
584 #define AVI_BOX_ENTER_LIST( fcc ) \
585 AVI_BOX_ENTER( "LIST" ); \
586 bo_AddFCC( p_bo, fcc )
588 #define AVI_BOX_EXIT( i_err ) \
589 if( p_bo->i_buffer&0x01 ) bo_AddByte( p_bo, 0 ); \
590 bo_AddDWordLE( &_bo_sav_, p_bo->i_buffer - _bo_sav_.i_buffer - 4 ); \
593 static int avi_HeaderAdd_avih( sout_mux_t *p_mux,
596 sout_mux_sys_t *p_sys = p_mux->p_sys;
597 avi_stream_t *p_video = NULL;
599 uint32_t i_microsecperframe;
600 int i_maxbytespersec;
602 AVI_BOX_ENTER( "avih" );
604 if( p_sys->i_stream_video >= 0 )
606 p_video = &p_sys->stream[p_sys->i_stream_video];
607 if( p_video->i_frames <= 0 )
616 (uint32_t)( (float)1000000 /
617 (float)p_sys->stream[p_sys->i_stream_video].f_fps );
618 i_totalframes = p_sys->stream[p_sys->i_stream_video].i_frames;
622 msg_Warn( p_mux, "avi file without video track isn't a good idea..." );
623 i_microsecperframe = 0;
627 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
629 if( p_sys->stream[i_stream].i_duration > 0 )
632 p_sys->stream[i_stream].i_totalsize /
633 p_sys->stream[i_stream].i_duration;
637 bo_AddDWordLE( p_bo, i_microsecperframe );
638 bo_AddDWordLE( p_bo, i_maxbytespersec );
639 bo_AddDWordLE( p_bo, 0 ); /* padding */
640 bo_AddDWordLE( p_bo, AVIF_TRUSTCKTYPE |
642 AVIF_ISINTERLEAVED ); /* flags */
643 bo_AddDWordLE( p_bo, i_totalframes );
644 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
645 bo_AddDWordLE( p_bo, p_sys->i_streams ); /* streams count */
646 bo_AddDWordLE( p_bo, 1024 * 1024 ); /* suggested buffer size */
649 bo_AddDWordLE( p_bo, p_video->p_bih->biWidth );
650 bo_AddDWordLE( p_bo, p_video->p_bih->biHeight );
654 bo_AddDWordLE( p_bo, 0 );
655 bo_AddDWordLE( p_bo, 0 );
657 bo_AddDWordLE( p_bo, 0 ); /* ???? */
658 bo_AddDWordLE( p_bo, 0 ); /* ???? */
659 bo_AddDWordLE( p_bo, 0 ); /* ???? */
660 bo_AddDWordLE( p_bo, 0 ); /* ???? */
664 static int avi_HeaderAdd_strh( buffer_out_t *p_bo, avi_stream_t *p_stream )
666 AVI_BOX_ENTER( "strh" );
668 switch( p_stream->i_cat )
672 bo_AddFCC( p_bo, "vids" );
673 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
674 bo_AddDWordLE( p_bo, 0 ); /* flags */
675 bo_AddWordLE( p_bo, 0 ); /* priority */
676 bo_AddWordLE( p_bo, 0 ); /* langage */
677 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
678 bo_AddDWordLE( p_bo, 1000 );/* scale */
679 bo_AddDWordLE( p_bo, (uint32_t)( 1000 * p_stream->f_fps ));
680 bo_AddDWordLE( p_bo, 0 ); /* start */
681 bo_AddDWordLE( p_bo, p_stream->i_frames );
682 bo_AddDWordLE( p_bo, 1024 * 1024 );
683 bo_AddDWordLE( p_bo, -1 ); /* quality */
684 bo_AddDWordLE( p_bo, 0 ); /* samplesize */
685 bo_AddWordLE( p_bo, 0 ); /* ??? */
686 bo_AddWordLE( p_bo, 0 ); /* ??? */
687 bo_AddWordLE( p_bo, p_stream->p_bih->biWidth );
688 bo_AddWordLE( p_bo, p_stream->p_bih->biHeight );
693 int i_rate, i_scale, i_samplesize;
695 i_samplesize = p_stream->p_wf->nBlockAlign;
696 if( i_samplesize > 1 )
698 i_scale = i_samplesize;
699 i_rate = /*i_scale **/ p_stream->i_bitrate / 8;
705 i_rate = 1000 * p_stream->i_bitrate / 8;
707 bo_AddFCC( p_bo, "auds" );
708 bo_AddDWordLE( p_bo, 0 ); /* tag */
709 bo_AddDWordLE( p_bo, 0 ); /* flags */
710 bo_AddWordLE( p_bo, 0 ); /* priority */
711 bo_AddWordLE( p_bo, 0 ); /* langage */
712 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
713 bo_AddDWordLE( p_bo, i_scale );/* scale */
714 bo_AddDWordLE( p_bo, i_rate );
715 bo_AddDWordLE( p_bo, 0 ); /* start */
716 bo_AddDWordLE( p_bo, p_stream->i_frames );
717 bo_AddDWordLE( p_bo, 10 * 1024 );
718 bo_AddDWordLE( p_bo, -1 ); /* quality */
719 bo_AddDWordLE( p_bo, i_samplesize );
720 bo_AddWordLE( p_bo, 0 ); /* ??? */
721 bo_AddWordLE( p_bo, 0 ); /* ??? */
722 bo_AddWordLE( p_bo, 0 );
723 bo_AddWordLE( p_bo, 0 );
731 static int avi_HeaderAdd_strf( buffer_out_t *p_bo, avi_stream_t *p_stream )
733 AVI_BOX_ENTER( "strf" );
735 switch( p_stream->i_cat )
738 bo_AddWordLE( p_bo, p_stream->p_wf->wFormatTag );
739 bo_AddWordLE( p_bo, p_stream->p_wf->nChannels );
740 bo_AddDWordLE( p_bo, p_stream->p_wf->nSamplesPerSec );
741 bo_AddDWordLE( p_bo, p_stream->p_wf->nAvgBytesPerSec );
742 bo_AddWordLE( p_bo, p_stream->p_wf->nBlockAlign );
743 bo_AddWordLE( p_bo, p_stream->p_wf->wBitsPerSample );
744 bo_AddWordLE( p_bo, p_stream->p_wf->cbSize );
745 bo_AddMem( p_bo, p_stream->p_wf->cbSize, (uint8_t*)&p_stream->p_wf[1] );
748 bo_AddDWordLE( p_bo, p_stream->p_bih->biSize );
749 bo_AddDWordLE( p_bo, p_stream->p_bih->biWidth );
750 bo_AddDWordLE( p_bo, p_stream->p_bih->biHeight );
751 bo_AddWordLE( p_bo, p_stream->p_bih->biPlanes );
752 bo_AddWordLE( p_bo, p_stream->p_bih->biBitCount );
753 if( VLC_FOURCC( 0, 0, 0, 1 ) == 0x00000001 )
755 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
759 bo_AddDWordLE( p_bo, p_stream->p_bih->biCompression );
761 bo_AddDWordLE( p_bo, p_stream->p_bih->biSizeImage );
762 bo_AddDWordLE( p_bo, p_stream->p_bih->biXPelsPerMeter );
763 bo_AddDWordLE( p_bo, p_stream->p_bih->biYPelsPerMeter );
764 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrUsed );
765 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrImportant );
767 p_stream->p_bih->biSize - sizeof( BITMAPINFOHEADER ),
768 (uint8_t*)&p_stream->p_bih[1] );
775 static int avi_HeaderAdd_strl( buffer_out_t *p_bo, avi_stream_t *p_stream )
777 AVI_BOX_ENTER_LIST( "strl" );
779 avi_HeaderAdd_strh( p_bo, p_stream );
780 avi_HeaderAdd_strf( p_bo, p_stream );
785 static block_t *avi_HeaderCreateRIFF( sout_mux_t *p_mux )
787 sout_mux_sys_t *p_sys = p_mux->p_sys;
790 int i_maxbytespersec;
794 p_hdr = block_New( p_mux, HDR_SIZE );
795 memset( p_hdr->p_buffer, 0, HDR_SIZE );
797 bo_Init( &bo, HDR_SIZE, p_hdr->p_buffer );
799 bo_AddFCC( &bo, "RIFF" );
800 bo_AddDWordLE( &bo, p_sys->i_movi_size + HDR_SIZE - 8 + p_sys->i_idx1_size );
801 bo_AddFCC( &bo, "AVI " );
803 bo_AddFCC( &bo, "LIST" );
804 bo_AddDWordLE( &bo, HDR_SIZE - 8);
805 bo_AddFCC( &bo, "hdrl" );
807 avi_HeaderAdd_avih( p_mux, &bo );
808 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
810 avi_HeaderAdd_strl( &bo, &p_sys->stream[i_stream] );
813 i_junk = HDR_SIZE - bo.i_buffer - 8 - 12;
814 bo_AddFCC( &bo, "JUNK" );
815 bo_AddDWordLE( &bo, i_junk );
817 bo.i_buffer += i_junk;
818 bo_AddFCC( &bo, "LIST" );
819 bo_AddDWordLE( &bo, p_sys->i_movi_size + 4 );
820 bo_AddFCC( &bo, "movi" );
825 static block_t * avi_HeaderCreateidx1( sout_mux_t *p_mux )
827 sout_mux_sys_t *p_sys = p_mux->p_sys;
829 uint32_t i_idx1_size;
833 i_idx1_size = 16 * p_sys->idx1.i_entry_count;
835 p_idx1 = block_New( p_mux, i_idx1_size + 8 );
836 memset( p_idx1->p_buffer, 0, i_idx1_size );
838 bo_Init( &bo, i_idx1_size, p_idx1->p_buffer );
839 bo_AddFCC( &bo, "idx1" );
840 bo_AddDWordLE( &bo, i_idx1_size );
842 for( i = 0; i < p_sys->idx1.i_entry_count; i++ )
844 bo_AddFCC( &bo, p_sys->idx1.entry[i].fcc );
845 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_flags );
846 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_pos );
847 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_length );