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 )
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 ) );
148 p_sys->i_streams = 0;
149 p_sys->i_stream_video = -1;
150 p_sys->i_movi_size = 0;
152 p_sys->idx1.i_entry_count = 0;
153 p_sys->idx1.i_entry_max = 10000;
154 p_sys->idx1.entry = calloc( p_sys->idx1.i_entry_max,
155 sizeof( avi_idx1_entry_t ) );
156 if( !p_sys->idx1.entry )
161 p_sys->b_write_header = true;
164 p_mux->pf_control = Control;
165 p_mux->pf_addstream = AddStream;
166 p_mux->pf_delstream = DelStream;
168 p_mux->p_sys = p_sys;
173 /*****************************************************************************
175 *****************************************************************************/
176 static void Close( vlc_object_t * p_this )
178 sout_mux_t *p_mux = (sout_mux_t*)p_this;
179 sout_mux_sys_t *p_sys = p_mux->p_sys;
181 block_t *p_hdr, *p_idx1;
184 msg_Dbg( p_mux, "AVI muxer closed" );
186 /* first create idx1 chunk (write at the end of the stream */
187 p_idx1 = avi_HeaderCreateidx1( p_mux );
188 p_sys->i_idx1_size = p_idx1->i_buffer;
189 sout_AccessOutWrite( p_mux->p_access, p_idx1 );
191 /* calculate some value for headers creations */
192 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
194 avi_stream_t *p_stream;
196 p_stream = &p_sys->stream[i_stream];
198 p_stream->f_fps = 25;
199 if( p_stream->i_duration > 0 )
201 p_stream->f_fps = (float)p_stream->i_frames /
202 ( (float)p_stream->i_duration /
205 p_stream->i_bitrate = 128 * 1024;
206 if( p_stream->i_duration > 0 )
208 p_stream->i_bitrate =
209 8 * (uint64_t)1000000 *
210 (uint64_t)p_stream->i_totalsize /
211 (uint64_t)p_stream->i_duration;
213 msg_Info( p_mux, "stream[%d] duration:%"PRId64" totalsize:%"PRId64
214 " frames:%d fps:%f kb/s:%d",
216 (int64_t)p_stream->i_duration / (int64_t)1000000,
217 p_stream->i_totalsize,
219 p_stream->f_fps, p_stream->i_bitrate/1024 );
222 p_hdr = avi_HeaderCreateRIFF( p_mux );
223 sout_AccessOutSeek( p_mux->p_access, 0 );
224 sout_AccessOutWrite( p_mux->p_access, p_hdr );
227 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
235 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
236 pb_bool = (bool*)va_arg( args, bool * );
240 case MUX_GET_ADD_STREAM_WAIT:
241 pb_bool = (bool*)va_arg( args, bool * );
246 ppsz = (char**)va_arg( args, char ** );
247 *ppsz = strdup( "video/avi" );
255 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
257 sout_mux_sys_t *p_sys = p_mux->p_sys;
258 avi_stream_t *p_stream;
260 if( p_sys->i_streams >= 100 )
262 msg_Err( p_mux, "too many streams" );
266 msg_Dbg( p_mux, "adding input" );
267 p_input->p_sys = malloc( sizeof( int ) );
268 if( !p_input->p_sys )
271 *((int*)p_input->p_sys) = p_sys->i_streams;
272 p_stream = &p_sys->stream[p_sys->i_streams];
274 switch( p_input->p_fmt->i_cat )
277 p_stream->i_cat = AUDIO_ES;
278 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
279 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
280 p_stream->fcc[2] = 'w';
281 p_stream->fcc[3] = 'b';
283 p_stream->p_bih = NULL;
285 p_stream->p_wf = malloc( sizeof( WAVEFORMATEX ) +
286 p_input->p_fmt->i_extra );
287 if( !p_stream->p_wf )
289 free( p_input->p_sys );
292 #define p_wf p_stream->p_wf
293 p_wf->cbSize = p_input->p_fmt->i_extra;
294 if( p_wf->cbSize > 0 )
297 p_input->p_fmt->p_extra,
298 p_input->p_fmt->i_extra );
300 p_wf->nChannels = p_input->p_fmt->audio.i_channels;
301 p_wf->nSamplesPerSec = p_input->p_fmt->audio.i_rate;
302 p_wf->nBlockAlign = p_input->p_fmt->audio.i_blockalign;
303 p_wf->nAvgBytesPerSec= p_input->p_fmt->i_bitrate / 8;
304 p_wf->wBitsPerSample = 0;
306 switch( p_input->p_fmt->i_codec )
308 case VLC_FOURCC( 'a', '5', '2', ' ' ):
309 p_wf->wFormatTag = WAVE_FORMAT_A52;
311 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
312 p_wf->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
314 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
315 p_wf->wFormatTag = WAVE_FORMAT_WMA1;
317 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
318 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
319 p_wf->wFormatTag = WAVE_FORMAT_WMA2;
321 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
322 p_wf->wFormatTag = WAVE_FORMAT_WMAP;
324 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
325 p_wf->wFormatTag = WAVE_FORMAT_WMAL;
328 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
329 p_wf->wFormatTag = WAVE_FORMAT_PCM;
330 p_wf->nBlockAlign= p_wf->nChannels;
331 p_wf->wBitsPerSample = 8;
333 case VLC_FOURCC( 's', '1', '6', 'l' ):
334 p_wf->wFormatTag = WAVE_FORMAT_PCM;
335 p_wf->nBlockAlign= 2 * p_wf->nChannels;
336 p_wf->wBitsPerSample = 16;
338 case VLC_FOURCC( 's', '2', '4', 'l' ):
339 p_wf->wFormatTag = WAVE_FORMAT_PCM;
340 p_wf->nBlockAlign= 3 * p_wf->nChannels;
341 p_wf->wBitsPerSample = 24;
343 case VLC_FOURCC( 's', '3', '2', 'l' ):
344 p_wf->wFormatTag = WAVE_FORMAT_PCM;
345 p_wf->nBlockAlign= 4 * p_wf->nChannels;
346 p_wf->wBitsPerSample = 32;
354 p_stream->i_cat = VIDEO_ES;
355 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
356 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
357 p_stream->fcc[2] = 'd';
358 p_stream->fcc[3] = 'c';
359 if( p_sys->i_stream_video < 0 )
361 p_sys->i_stream_video = p_sys->i_streams;
363 p_stream->p_wf = NULL;
364 p_stream->p_bih = malloc( sizeof( BITMAPINFOHEADER ) +
365 p_input->p_fmt->i_extra );
366 if( !p_stream->p_bih )
368 free( p_input->p_sys );
371 #define p_bih p_stream->p_bih
372 p_bih->biSize = sizeof( BITMAPINFOHEADER ) +
373 p_input->p_fmt->i_extra;
374 if( p_input->p_fmt->i_extra > 0 )
377 p_input->p_fmt->p_extra,
378 p_input->p_fmt->i_extra );
380 p_bih->biWidth = p_input->p_fmt->video.i_width;
381 p_bih->biHeight= p_input->p_fmt->video.i_height;
383 p_bih->biBitCount = 24;
384 p_bih->biSizeImage = 0;
385 p_bih->biXPelsPerMeter = 0;
386 p_bih->biYPelsPerMeter = 0;
387 p_bih->biClrUsed = 0;
388 p_bih->biClrImportant = 0;
389 switch( p_input->p_fmt->i_codec )
391 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
392 p_bih->biCompression = VLC_FOURCC( 'X', 'V', 'I', 'D' );
395 p_bih->biCompression = p_input->p_fmt->i_codec;
401 return( VLC_EGENERIC );
403 p_stream->i_totalsize = 0;
404 p_stream->i_frames = 0;
405 p_stream->i_duration = 0;
408 p_stream->f_fps = 25;
409 p_stream->i_bitrate = 128 * 1024;
412 return( VLC_SUCCESS );
415 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
417 msg_Dbg( p_mux, "removing input" );
419 free( p_input->p_sys );
423 static int Mux ( sout_mux_t *p_mux )
425 sout_mux_sys_t *p_sys = p_mux->p_sys;
426 avi_stream_t *p_stream;
429 if( p_sys->b_write_header )
433 msg_Dbg( p_mux, "writing header" );
435 p_hdr = avi_HeaderCreateRIFF( p_mux );
436 sout_AccessOutWrite( p_mux->p_access, p_hdr );
438 p_sys->b_write_header = false;
441 for( i = 0; i < p_mux->i_nb_inputs; i++ )
444 block_fifo_t *p_fifo;
446 i_stream = *((int*)p_mux->pp_inputs[i]->p_sys );
447 p_stream = &p_sys->stream[i_stream];
449 p_fifo = p_mux->pp_inputs[i]->p_fifo;
450 i_count = block_FifoCount( p_fifo );
453 avi_idx1_entry_t *p_idx;
456 p_data = block_FifoGet( p_fifo );
457 if( block_FifoCount( p_fifo ) > 0 )
459 block_t *p_next = block_FifoShow( p_fifo );
460 p_data->i_length = p_next->i_dts - p_data->i_dts;
463 p_stream->i_frames++;
464 if( p_data->i_length < 0 )
466 msg_Warn( p_mux, "argg length < 0 l" );
467 block_Release( p_data );
471 p_stream->i_duration += p_data->i_length;
472 p_stream->i_totalsize += p_data->i_buffer;
474 /* add idx1 entry for this frame */
475 p_idx = &p_sys->idx1.entry[p_sys->idx1.i_entry_count];
476 memcpy( p_idx->fcc, p_stream->fcc, 4 );
478 if( ( p_data->i_flags & BLOCK_FLAG_TYPE_MASK ) == 0 || ( p_data->i_flags & BLOCK_FLAG_TYPE_I ) )
479 p_idx->i_flags = AVIIF_KEYFRAME;
480 p_idx->i_pos = p_sys->i_movi_size + 4;
481 p_idx->i_length= p_data->i_buffer;
482 p_sys->idx1.i_entry_count++;
483 if( p_sys->idx1.i_entry_count >= p_sys->idx1.i_entry_max )
485 p_sys->idx1.i_entry_max += 10000;
486 p_sys->idx1.entry = realloc( p_sys->idx1.entry,
487 p_sys->idx1.i_entry_max * sizeof( avi_idx1_entry_t ) );
490 p_data = block_Realloc( p_data, 8, p_data->i_buffer );
493 SetFCC( p_data->p_buffer, p_stream->fcc );
494 SetDWLE( p_data->p_buffer + 4, p_data->i_buffer - 8 );
496 if( p_data->i_buffer & 0x01 )
498 p_data = block_Realloc( p_data, 0, p_data->i_buffer + 1 );
499 p_data->p_buffer[ p_data->i_buffer - 1 ] = '\0';
502 p_sys->i_movi_size += p_data->i_buffer;
503 sout_AccessOutWrite( p_mux->p_access, p_data );
513 /****************************************************************************/
514 /****************************************************************************/
515 /****************************************************************************/
516 /****************************************************************************/
518 typedef struct buffer_out_s
526 static void bo_Init( buffer_out_t *p_bo, int i_size, uint8_t *p_buffer )
528 p_bo->i_buffer_size = i_size;
530 p_bo->p_buffer = p_buffer;
532 static void bo_AddByte( buffer_out_t *p_bo, uint8_t i )
534 if( p_bo->i_buffer < p_bo->i_buffer_size )
536 p_bo->p_buffer[p_bo->i_buffer] = i;
540 static void bo_AddWordLE( buffer_out_t *p_bo, uint16_t i )
542 bo_AddByte( p_bo, i &0xff );
543 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
545 static void bo_AddWordBE( buffer_out_t *p_bo, uint16_t i )
547 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
548 bo_AddByte( p_bo, i &0xff );
550 static void bo_AddDWordLE( buffer_out_t *p_bo, uint32_t i )
552 bo_AddWordLE( p_bo, i &0xffff );
553 bo_AddWordLE( p_bo, ( ( i >> 16) &0xffff ) );
555 static void bo_AddDWordBE( buffer_out_t *p_bo, uint32_t i )
557 bo_AddWordBE( p_bo, ( ( i >> 16) &0xffff ) );
558 bo_AddWordBE( p_bo, i &0xffff );
561 static void bo_AddLWordLE( buffer_out_t *p_bo, uint64_t i )
563 bo_AddDWordLE( p_bo, i &0xffffffff );
564 bo_AddDWordLE( p_bo, ( ( i >> 32) &0xffffffff ) );
566 static void bo_AddLWordBE( buffer_out_t *p_bo, uint64_t i )
568 bo_AddDWordBE( p_bo, ( ( i >> 32) &0xffffffff ) );
569 bo_AddDWordBE( p_bo, i &0xffffffff );
573 static void bo_AddFCC( buffer_out_t *p_bo, const char *fcc )
575 bo_AddByte( p_bo, fcc[0] );
576 bo_AddByte( p_bo, fcc[1] );
577 bo_AddByte( p_bo, fcc[2] );
578 bo_AddByte( p_bo, fcc[3] );
581 static void bo_AddMem( buffer_out_t *p_bo, int i_size, uint8_t *p_mem )
585 for( i = 0; i < i_size; i++ )
587 bo_AddByte( p_bo, p_mem[i] );
591 /****************************************************************************
592 ****************************************************************************
594 ** avi header generation
596 ****************************************************************************
597 ****************************************************************************/
598 #define AVI_BOX_ENTER( fcc ) \
599 buffer_out_t _bo_sav_; \
600 bo_AddFCC( p_bo, fcc ); \
602 bo_AddDWordLE( p_bo, 0 )
604 #define AVI_BOX_ENTER_LIST( fcc ) \
605 AVI_BOX_ENTER( "LIST" ); \
606 bo_AddFCC( p_bo, fcc )
608 #define AVI_BOX_EXIT( i_err ) \
609 if( p_bo->i_buffer&0x01 ) bo_AddByte( p_bo, 0 ); \
610 bo_AddDWordLE( &_bo_sav_, p_bo->i_buffer - _bo_sav_.i_buffer - 4 ); \
613 static int avi_HeaderAdd_avih( sout_mux_t *p_mux,
616 sout_mux_sys_t *p_sys = p_mux->p_sys;
617 avi_stream_t *p_video = NULL;
619 uint32_t i_microsecperframe;
620 int i_maxbytespersec;
622 AVI_BOX_ENTER( "avih" );
624 if( p_sys->i_stream_video >= 0 )
626 p_video = &p_sys->stream[p_sys->i_stream_video];
627 if( p_video->i_frames <= 0 )
636 (uint32_t)( (float)1000000 /
637 (float)p_sys->stream[p_sys->i_stream_video].f_fps );
638 i_totalframes = p_sys->stream[p_sys->i_stream_video].i_frames;
642 msg_Warn( p_mux, "avi file without video track isn't a good idea..." );
643 i_microsecperframe = 0;
647 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
649 if( p_sys->stream[i_stream].i_duration > 0 )
652 p_sys->stream[i_stream].i_totalsize /
653 p_sys->stream[i_stream].i_duration;
657 bo_AddDWordLE( p_bo, i_microsecperframe );
658 bo_AddDWordLE( p_bo, i_maxbytespersec );
659 bo_AddDWordLE( p_bo, 0 ); /* padding */
660 bo_AddDWordLE( p_bo, AVIF_TRUSTCKTYPE |
662 AVIF_ISINTERLEAVED ); /* flags */
663 bo_AddDWordLE( p_bo, i_totalframes );
664 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
665 bo_AddDWordLE( p_bo, p_sys->i_streams ); /* streams count */
666 bo_AddDWordLE( p_bo, 1024 * 1024 ); /* suggested buffer size */
669 bo_AddDWordLE( p_bo, p_video->p_bih->biWidth );
670 bo_AddDWordLE( p_bo, p_video->p_bih->biHeight );
674 bo_AddDWordLE( p_bo, 0 );
675 bo_AddDWordLE( p_bo, 0 );
677 bo_AddDWordLE( p_bo, 0 ); /* ???? */
678 bo_AddDWordLE( p_bo, 0 ); /* ???? */
679 bo_AddDWordLE( p_bo, 0 ); /* ???? */
680 bo_AddDWordLE( p_bo, 0 ); /* ???? */
684 static int avi_HeaderAdd_strh( buffer_out_t *p_bo, avi_stream_t *p_stream )
686 AVI_BOX_ENTER( "strh" );
688 switch( p_stream->i_cat )
692 bo_AddFCC( p_bo, "vids" );
693 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
694 bo_AddDWordLE( p_bo, 0 ); /* flags */
695 bo_AddWordLE( p_bo, 0 ); /* priority */
696 bo_AddWordLE( p_bo, 0 ); /* langage */
697 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
698 bo_AddDWordLE( p_bo, 1000 );/* scale */
699 bo_AddDWordLE( p_bo, (uint32_t)( 1000 * p_stream->f_fps ));
700 bo_AddDWordLE( p_bo, 0 ); /* start */
701 bo_AddDWordLE( p_bo, p_stream->i_frames );
702 bo_AddDWordLE( p_bo, 1024 * 1024 );
703 bo_AddDWordLE( p_bo, -1 ); /* quality */
704 bo_AddDWordLE( p_bo, 0 ); /* samplesize */
705 bo_AddWordLE( p_bo, 0 ); /* ??? */
706 bo_AddWordLE( p_bo, 0 ); /* ??? */
707 bo_AddWordLE( p_bo, p_stream->p_bih->biWidth );
708 bo_AddWordLE( p_bo, p_stream->p_bih->biHeight );
713 int i_rate, i_scale, i_samplesize;
715 i_samplesize = p_stream->p_wf->nBlockAlign;
716 if( i_samplesize > 1 )
718 i_scale = i_samplesize;
719 i_rate = /*i_scale **/ p_stream->i_bitrate / 8;
725 i_rate = 1000 * p_stream->i_bitrate / 8;
727 bo_AddFCC( p_bo, "auds" );
728 bo_AddDWordLE( p_bo, 0 ); /* tag */
729 bo_AddDWordLE( p_bo, 0 ); /* flags */
730 bo_AddWordLE( p_bo, 0 ); /* priority */
731 bo_AddWordLE( p_bo, 0 ); /* langage */
732 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
733 bo_AddDWordLE( p_bo, i_scale );/* scale */
734 bo_AddDWordLE( p_bo, i_rate );
735 bo_AddDWordLE( p_bo, 0 ); /* start */
736 bo_AddDWordLE( p_bo, p_stream->i_frames );
737 bo_AddDWordLE( p_bo, 10 * 1024 );
738 bo_AddDWordLE( p_bo, -1 ); /* quality */
739 bo_AddDWordLE( p_bo, i_samplesize );
740 bo_AddWordLE( p_bo, 0 ); /* ??? */
741 bo_AddWordLE( p_bo, 0 ); /* ??? */
742 bo_AddWordLE( p_bo, 0 );
743 bo_AddWordLE( p_bo, 0 );
751 static int avi_HeaderAdd_strf( buffer_out_t *p_bo, avi_stream_t *p_stream )
753 AVI_BOX_ENTER( "strf" );
755 switch( p_stream->i_cat )
758 bo_AddWordLE( p_bo, p_stream->p_wf->wFormatTag );
759 bo_AddWordLE( p_bo, p_stream->p_wf->nChannels );
760 bo_AddDWordLE( p_bo, p_stream->p_wf->nSamplesPerSec );
761 bo_AddDWordLE( p_bo, p_stream->p_wf->nAvgBytesPerSec );
762 bo_AddWordLE( p_bo, p_stream->p_wf->nBlockAlign );
763 bo_AddWordLE( p_bo, p_stream->p_wf->wBitsPerSample );
764 bo_AddWordLE( p_bo, p_stream->p_wf->cbSize );
765 bo_AddMem( p_bo, p_stream->p_wf->cbSize, (uint8_t*)&p_stream->p_wf[1] );
768 bo_AddDWordLE( p_bo, p_stream->p_bih->biSize );
769 bo_AddDWordLE( p_bo, p_stream->p_bih->biWidth );
770 bo_AddDWordLE( p_bo, p_stream->p_bih->biHeight );
771 bo_AddWordLE( p_bo, p_stream->p_bih->biPlanes );
772 bo_AddWordLE( p_bo, p_stream->p_bih->biBitCount );
773 if( VLC_FOURCC( 0, 0, 0, 1 ) == 0x00000001 )
775 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
779 bo_AddDWordLE( p_bo, p_stream->p_bih->biCompression );
781 bo_AddDWordLE( p_bo, p_stream->p_bih->biSizeImage );
782 bo_AddDWordLE( p_bo, p_stream->p_bih->biXPelsPerMeter );
783 bo_AddDWordLE( p_bo, p_stream->p_bih->biYPelsPerMeter );
784 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrUsed );
785 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrImportant );
787 p_stream->p_bih->biSize - sizeof( BITMAPINFOHEADER ),
788 (uint8_t*)&p_stream->p_bih[1] );
795 static int avi_HeaderAdd_strl( buffer_out_t *p_bo, avi_stream_t *p_stream )
797 AVI_BOX_ENTER_LIST( "strl" );
799 avi_HeaderAdd_strh( p_bo, p_stream );
800 avi_HeaderAdd_strf( p_bo, p_stream );
805 static block_t *avi_HeaderCreateRIFF( sout_mux_t *p_mux )
807 sout_mux_sys_t *p_sys = p_mux->p_sys;
810 int i_maxbytespersec;
814 p_hdr = block_New( p_mux, HDR_SIZE );
815 memset( p_hdr->p_buffer, 0, HDR_SIZE );
817 bo_Init( &bo, HDR_SIZE, p_hdr->p_buffer );
819 bo_AddFCC( &bo, "RIFF" );
820 bo_AddDWordLE( &bo, p_sys->i_movi_size + HDR_SIZE - 8 + p_sys->i_idx1_size );
821 bo_AddFCC( &bo, "AVI " );
823 bo_AddFCC( &bo, "LIST" );
824 bo_AddDWordLE( &bo, HDR_SIZE - 8);
825 bo_AddFCC( &bo, "hdrl" );
827 avi_HeaderAdd_avih( p_mux, &bo );
828 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
830 avi_HeaderAdd_strl( &bo, &p_sys->stream[i_stream] );
833 i_junk = HDR_SIZE - bo.i_buffer - 8 - 12;
834 bo_AddFCC( &bo, "JUNK" );
835 bo_AddDWordLE( &bo, i_junk );
837 bo.i_buffer += i_junk;
838 bo_AddFCC( &bo, "LIST" );
839 bo_AddDWordLE( &bo, p_sys->i_movi_size + 4 );
840 bo_AddFCC( &bo, "movi" );
845 static block_t * avi_HeaderCreateidx1( sout_mux_t *p_mux )
847 sout_mux_sys_t *p_sys = p_mux->p_sys;
849 uint32_t i_idx1_size;
853 i_idx1_size = 16 * p_sys->idx1.i_entry_count;
855 p_idx1 = block_New( p_mux, i_idx1_size + 8 );
856 memset( p_idx1->p_buffer, 0, i_idx1_size );
858 bo_Init( &bo, i_idx1_size, p_idx1->p_buffer );
859 bo_AddFCC( &bo, "idx1" );
860 bo_AddDWordLE( &bo, i_idx1_size );
862 for( i = 0; i < p_sys->idx1.i_entry_count; i++ )
864 bo_AddFCC( &bo, p_sys->idx1.entry[i].fcc );
865 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_flags );
866 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_pos );
867 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_length );