Contribs: add libbluray
[vlc/asuraparaju-public.git] / modules / mux / avi.c
blob0d2c4b6f4b3fbe80ad78780f55ac0f4aa5c12746
1 /*****************************************************************************
2 * avi.c
3 *****************************************************************************
4 * Copyright (C) 2001-2009 the VideoLAN team
5 * $Id$
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 /*****************************************************************************
25 * Preamble
26 *****************************************************************************/
27 /* TODO: add OpenDML write support */
30 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
36 #include <vlc_sout.h>
37 #include <vlc_block.h>
38 #include <vlc_codecs.h>
40 /*****************************************************************************
41 * Module descriptor
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close ( vlc_object_t * );
46 vlc_module_begin ()
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 )
53 vlc_module_end ()
56 /*****************************************************************************
57 * Local prototypes
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
66 int i_cat;
68 char fcc[4];
70 mtime_t i_duration; // in µs
72 int i_frames; // total frame count
73 int64_t i_totalsize; // total stream size
75 float f_fps;
76 int i_bitrate;
78 BITMAPINFOHEADER *p_bih;
79 WAVEFORMATEX *p_wf;
81 } avi_stream_t;
83 typedef struct avi_idx1_entry_s
85 char fcc[4];
86 uint32_t i_flags;
87 uint32_t i_pos;
88 uint32_t i_length;
90 } avi_idx1_entry_t;
92 typedef struct avi_idx1_s
94 unsigned int i_entry_count;
95 unsigned int i_entry_max;
97 avi_idx1_entry_t *entry;
98 } avi_idx1_t;
100 struct sout_mux_sys_t
102 bool b_write_header;
104 int i_streams;
105 int i_stream_video;
107 off_t i_movi_size;
108 avi_stream_t stream[100];
110 avi_idx1_t idx1;
111 off_t i_idx1_size;
115 // FIXME FIXME
116 #define HDR_SIZE 10240
118 /* Flags in avih */
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 )
132 memcpy( p, fcc, 4 );
135 /*****************************************************************************
136 * Open:
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;
143 msg_Dbg( p_mux, "AVI muxer opened" );
145 p_sys = malloc( sizeof( sout_mux_sys_t ) );
146 if( !p_sys )
147 return VLC_ENOMEM;
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 )
158 free( p_sys );
159 return VLC_ENOMEM;
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;
167 p_mux->pf_mux = Mux;
168 p_mux->p_sys = p_sys;
170 return VLC_SUCCESS;
173 /*****************************************************************************
174 * Close:
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;
182 int i_stream;
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 /
203 (float)1000000 );
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 KiB/s:%d",
215 i_stream,
216 (int64_t)p_stream->i_duration / (int64_t)1000000,
217 p_stream->i_totalsize,
218 p_stream->i_frames,
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 )
229 VLC_UNUSED(p_mux);
230 bool *pb_bool;
231 char **ppsz;
233 switch( i_query )
235 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
236 pb_bool = (bool*)va_arg( args, bool * );
237 *pb_bool = false;
238 return VLC_SUCCESS;
240 case MUX_GET_ADD_STREAM_WAIT:
241 pb_bool = (bool*)va_arg( args, bool * );
242 *pb_bool = true;
243 return VLC_SUCCESS;
245 case MUX_GET_MIME:
246 ppsz = (char**)va_arg( args, char ** );
247 *ppsz = strdup( "video/avi" );
248 return VLC_SUCCESS;
250 default:
251 return VLC_EGENERIC;
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" );
263 return VLC_EGENERIC;
266 msg_Dbg( p_mux, "adding input" );
267 p_input->p_sys = malloc( sizeof( int ) );
268 if( !p_input->p_sys )
269 return VLC_ENOMEM;
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 )
276 case AUDIO_ES:
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 );
290 return VLC_ENOMEM;
292 #define p_wf p_stream->p_wf
293 p_wf->cbSize = p_input->p_fmt->i_extra;
294 if( p_wf->cbSize > 0 )
296 memcpy( &p_wf[1],
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_CODEC_A52:
309 p_wf->wFormatTag = WAVE_FORMAT_A52;
310 break;
311 case VLC_CODEC_MPGA:
312 p_wf->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
313 break;
314 case VLC_CODEC_WMA1:
315 p_wf->wFormatTag = WAVE_FORMAT_WMA1;
316 break;
317 case VLC_CODEC_WMA2:
318 p_wf->wFormatTag = WAVE_FORMAT_WMA2;
319 break;
320 case VLC_CODEC_WMAP:
321 p_wf->wFormatTag = WAVE_FORMAT_WMAP;
322 break;
323 case VLC_CODEC_WMAL:
324 p_wf->wFormatTag = WAVE_FORMAT_WMAL;
325 break;
326 /* raw codec */
327 case VLC_CODEC_U8:
328 p_wf->wFormatTag = WAVE_FORMAT_PCM;
329 p_wf->nBlockAlign= p_wf->nChannels;
330 p_wf->wBitsPerSample = 8;
331 break;
332 case VLC_CODEC_S16L:
333 p_wf->wFormatTag = WAVE_FORMAT_PCM;
334 p_wf->nBlockAlign= 2 * p_wf->nChannels;
335 p_wf->wBitsPerSample = 16;
336 break;
337 case VLC_CODEC_S24L:
338 p_wf->wFormatTag = WAVE_FORMAT_PCM;
339 p_wf->nBlockAlign= 3 * p_wf->nChannels;
340 p_wf->wBitsPerSample = 24;
341 break;
342 case VLC_CODEC_S32L:
343 p_wf->wFormatTag = WAVE_FORMAT_PCM;
344 p_wf->nBlockAlign= 4 * p_wf->nChannels;
345 p_wf->wBitsPerSample = 32;
346 break;
347 default:
348 return VLC_EGENERIC;
350 #undef p_wf
351 break;
352 case VIDEO_ES:
353 p_stream->i_cat = VIDEO_ES;
354 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
355 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
356 p_stream->fcc[2] = 'd';
357 p_stream->fcc[3] = 'c';
358 if( p_sys->i_stream_video < 0 )
360 p_sys->i_stream_video = p_sys->i_streams;
362 p_stream->p_wf = NULL;
363 p_stream->p_bih = malloc( sizeof( BITMAPINFOHEADER ) +
364 p_input->p_fmt->i_extra );
365 if( !p_stream->p_bih )
367 free( p_input->p_sys );
368 return VLC_ENOMEM;
370 #define p_bih p_stream->p_bih
371 p_bih->biSize = sizeof( BITMAPINFOHEADER ) +
372 p_input->p_fmt->i_extra;
373 if( p_input->p_fmt->i_extra > 0 )
375 memcpy( &p_bih[1],
376 p_input->p_fmt->p_extra,
377 p_input->p_fmt->i_extra );
379 p_bih->biWidth = p_input->p_fmt->video.i_width;
380 p_bih->biHeight= p_input->p_fmt->video.i_height;
381 p_bih->biPlanes= 1;
382 p_bih->biBitCount = 24;
383 p_bih->biSizeImage = 0;
384 p_bih->biXPelsPerMeter = 0;
385 p_bih->biYPelsPerMeter = 0;
386 p_bih->biClrUsed = 0;
387 p_bih->biClrImportant = 0;
388 switch( p_input->p_fmt->i_codec )
390 case VLC_CODEC_MP4V:
391 p_bih->biCompression = VLC_FOURCC( 'X', 'V', 'I', 'D' );
392 break;
393 default:
394 p_bih->biCompression = p_input->p_fmt->i_original_fourcc ?: p_input->p_fmt->i_codec;
395 break;
397 #undef p_bih
398 break;
399 default:
400 return( VLC_EGENERIC );
402 p_stream->i_totalsize = 0;
403 p_stream->i_frames = 0;
404 p_stream->i_duration = 0;
406 /* fixed later */
407 p_stream->f_fps = 25;
408 p_stream->i_bitrate = 128 * 1024;
410 p_sys->i_streams++;
411 return( VLC_SUCCESS );
414 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
416 msg_Dbg( p_mux, "removing input" );
418 free( p_input->p_sys );
419 return 0;
422 static int Mux ( sout_mux_t *p_mux )
424 sout_mux_sys_t *p_sys = p_mux->p_sys;
425 avi_stream_t *p_stream;
426 int i_stream, i;
428 if( p_sys->b_write_header )
430 block_t *p_hdr;
432 msg_Dbg( p_mux, "writing header" );
434 p_hdr = avi_HeaderCreateRIFF( p_mux );
435 sout_AccessOutWrite( p_mux->p_access, p_hdr );
437 p_sys->b_write_header = false;
440 for( i = 0; i < p_mux->i_nb_inputs; i++ )
442 int i_count;
443 block_fifo_t *p_fifo;
445 i_stream = *((int*)p_mux->pp_inputs[i]->p_sys );
446 p_stream = &p_sys->stream[i_stream];
448 p_fifo = p_mux->pp_inputs[i]->p_fifo;
449 i_count = block_FifoCount( p_fifo );
450 while( i_count > 1 )
452 avi_idx1_entry_t *p_idx;
453 block_t *p_data;
455 p_data = block_FifoGet( p_fifo );
456 if( block_FifoCount( p_fifo ) > 0 )
458 block_t *p_next = block_FifoShow( p_fifo );
459 p_data->i_length = p_next->i_dts - p_data->i_dts;
462 p_stream->i_frames++;
463 if( p_data->i_length < 0 )
465 msg_Warn( p_mux, "argg length < 0 l" );
466 block_Release( p_data );
467 i_count--;
468 continue;
470 p_stream->i_duration += p_data->i_length;
471 p_stream->i_totalsize += p_data->i_buffer;
473 /* add idx1 entry for this frame */
474 p_idx = &p_sys->idx1.entry[p_sys->idx1.i_entry_count];
475 memcpy( p_idx->fcc, p_stream->fcc, 4 );
476 p_idx->i_flags = 0;
477 if( ( p_data->i_flags & BLOCK_FLAG_TYPE_MASK ) == 0 || ( p_data->i_flags & BLOCK_FLAG_TYPE_I ) )
478 p_idx->i_flags = AVIIF_KEYFRAME;
479 p_idx->i_pos = p_sys->i_movi_size + 4;
480 p_idx->i_length= p_data->i_buffer;
481 p_sys->idx1.i_entry_count++;
482 if( p_sys->idx1.i_entry_count >= p_sys->idx1.i_entry_max )
484 p_sys->idx1.i_entry_max += 10000;
485 p_sys->idx1.entry = xrealloc( p_sys->idx1.entry,
486 p_sys->idx1.i_entry_max * sizeof( avi_idx1_entry_t ) );
489 p_data = block_Realloc( p_data, 8, p_data->i_buffer );
490 if( p_data )
492 SetFCC( p_data->p_buffer, p_stream->fcc );
493 SetDWLE( p_data->p_buffer + 4, p_data->i_buffer - 8 );
495 if( p_data->i_buffer & 0x01 )
497 p_data = block_Realloc( p_data, 0, p_data->i_buffer + 1 );
498 p_data->p_buffer[ p_data->i_buffer - 1 ] = '\0';
501 p_sys->i_movi_size += p_data->i_buffer;
502 sout_AccessOutWrite( p_mux->p_access, p_data );
505 i_count--;
509 return( 0 );
512 /****************************************************************************/
513 /****************************************************************************/
514 /****************************************************************************/
515 /****************************************************************************/
517 typedef struct buffer_out_s
519 int i_buffer_size;
520 int i_buffer;
521 uint8_t *p_buffer;
523 } buffer_out_t;
525 static void bo_Init( buffer_out_t *p_bo, int i_size, uint8_t *p_buffer )
527 p_bo->i_buffer_size = i_size;
528 p_bo->i_buffer = 0;
529 p_bo->p_buffer = p_buffer;
531 static void bo_AddByte( buffer_out_t *p_bo, uint8_t i )
533 if( p_bo->i_buffer < p_bo->i_buffer_size )
535 p_bo->p_buffer[p_bo->i_buffer] = i;
537 p_bo->i_buffer++;
539 static void bo_AddWordLE( buffer_out_t *p_bo, uint16_t i )
541 bo_AddByte( p_bo, i &0xff );
542 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
544 static void bo_AddWordBE( buffer_out_t *p_bo, uint16_t i )
546 bo_AddByte( p_bo, ( ( i >> 8) &0xff ) );
547 bo_AddByte( p_bo, i &0xff );
549 static void bo_AddDWordLE( buffer_out_t *p_bo, uint32_t i )
551 bo_AddWordLE( p_bo, i &0xffff );
552 bo_AddWordLE( p_bo, ( ( i >> 16) &0xffff ) );
554 static void bo_AddDWordBE( buffer_out_t *p_bo, uint32_t i )
556 bo_AddWordBE( p_bo, ( ( i >> 16) &0xffff ) );
557 bo_AddWordBE( p_bo, i &0xffff );
559 #if 0
560 static void bo_AddLWordLE( buffer_out_t *p_bo, uint64_t i )
562 bo_AddDWordLE( p_bo, i &0xffffffff );
563 bo_AddDWordLE( p_bo, ( ( i >> 32) &0xffffffff ) );
565 static void bo_AddLWordBE( buffer_out_t *p_bo, uint64_t i )
567 bo_AddDWordBE( p_bo, ( ( i >> 32) &0xffffffff ) );
568 bo_AddDWordBE( p_bo, i &0xffffffff );
570 #endif
572 static void bo_AddFCC( buffer_out_t *p_bo, const char *fcc )
574 bo_AddByte( p_bo, fcc[0] );
575 bo_AddByte( p_bo, fcc[1] );
576 bo_AddByte( p_bo, fcc[2] );
577 bo_AddByte( p_bo, fcc[3] );
580 static void bo_AddMem( buffer_out_t *p_bo, int i_size, uint8_t *p_mem )
582 int i;
584 for( i = 0; i < i_size; i++ )
586 bo_AddByte( p_bo, p_mem[i] );
590 /****************************************************************************
591 ****************************************************************************
593 ** avi header generation
595 ****************************************************************************
596 ****************************************************************************/
597 #define AVI_BOX_ENTER( fcc ) \
598 buffer_out_t _bo_sav_; \
599 bo_AddFCC( p_bo, fcc ); \
600 _bo_sav_ = *p_bo; \
601 bo_AddDWordLE( p_bo, 0 )
603 #define AVI_BOX_ENTER_LIST( fcc ) \
604 AVI_BOX_ENTER( "LIST" ); \
605 bo_AddFCC( p_bo, fcc )
607 #define AVI_BOX_EXIT( i_err ) \
608 if( p_bo->i_buffer&0x01 ) bo_AddByte( p_bo, 0 ); \
609 bo_AddDWordLE( &_bo_sav_, p_bo->i_buffer - _bo_sav_.i_buffer - 4 ); \
610 return( i_err );
612 static int avi_HeaderAdd_avih( sout_mux_t *p_mux,
613 buffer_out_t *p_bo )
615 sout_mux_sys_t *p_sys = p_mux->p_sys;
616 avi_stream_t *p_video = NULL;
617 int i_stream;
618 uint32_t i_microsecperframe;
619 int i_maxbytespersec;
620 int i_totalframes;
621 AVI_BOX_ENTER( "avih" );
623 if( p_sys->i_stream_video >= 0 )
625 p_video = &p_sys->stream[p_sys->i_stream_video];
626 if( p_video->i_frames <= 0 )
628 // p_video = NULL;
632 if( p_video )
634 i_microsecperframe =
635 (uint32_t)( (float)1000000 /
636 (float)p_sys->stream[p_sys->i_stream_video].f_fps );
637 i_totalframes = p_sys->stream[p_sys->i_stream_video].i_frames;
639 else
641 msg_Warn( p_mux, "avi file without video track isn't a good idea..." );
642 i_microsecperframe = 0;
643 i_totalframes = 0;
646 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
648 if( p_sys->stream[i_stream].i_duration > 0 )
650 i_maxbytespersec +=
651 p_sys->stream[i_stream].i_totalsize /
652 p_sys->stream[i_stream].i_duration;
656 bo_AddDWordLE( p_bo, i_microsecperframe );
657 bo_AddDWordLE( p_bo, i_maxbytespersec );
658 bo_AddDWordLE( p_bo, 0 ); /* padding */
659 bo_AddDWordLE( p_bo, AVIF_TRUSTCKTYPE |
660 AVIF_HASINDEX |
661 AVIF_ISINTERLEAVED ); /* flags */
662 bo_AddDWordLE( p_bo, i_totalframes );
663 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
664 bo_AddDWordLE( p_bo, p_sys->i_streams ); /* streams count */
665 bo_AddDWordLE( p_bo, 1024 * 1024 ); /* suggested buffer size */
666 if( p_video )
668 bo_AddDWordLE( p_bo, p_video->p_bih->biWidth );
669 bo_AddDWordLE( p_bo, p_video->p_bih->biHeight );
671 else
673 bo_AddDWordLE( p_bo, 0 );
674 bo_AddDWordLE( p_bo, 0 );
676 bo_AddDWordLE( p_bo, 0 ); /* ???? */
677 bo_AddDWordLE( p_bo, 0 ); /* ???? */
678 bo_AddDWordLE( p_bo, 0 ); /* ???? */
679 bo_AddDWordLE( p_bo, 0 ); /* ???? */
681 AVI_BOX_EXIT( 0 );
683 static int avi_HeaderAdd_strh( buffer_out_t *p_bo, avi_stream_t *p_stream )
685 AVI_BOX_ENTER( "strh" );
687 switch( p_stream->i_cat )
689 case VIDEO_ES:
691 bo_AddFCC( p_bo, "vids" );
692 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
693 bo_AddDWordLE( p_bo, 0 ); /* flags */
694 bo_AddWordLE( p_bo, 0 ); /* priority */
695 bo_AddWordLE( p_bo, 0 ); /* langage */
696 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
697 bo_AddDWordLE( p_bo, 1000 );/* scale */
698 bo_AddDWordLE( p_bo, (uint32_t)( 1000 * p_stream->f_fps ));
699 bo_AddDWordLE( p_bo, 0 ); /* start */
700 bo_AddDWordLE( p_bo, p_stream->i_frames );
701 bo_AddDWordLE( p_bo, 1024 * 1024 );
702 bo_AddDWordLE( p_bo, -1 ); /* quality */
703 bo_AddDWordLE( p_bo, 0 ); /* samplesize */
704 bo_AddWordLE( p_bo, 0 ); /* ??? */
705 bo_AddWordLE( p_bo, 0 ); /* ??? */
706 bo_AddWordLE( p_bo, p_stream->p_bih->biWidth );
707 bo_AddWordLE( p_bo, p_stream->p_bih->biHeight );
709 break;
710 case AUDIO_ES:
712 int i_rate, i_scale, i_samplesize;
714 i_samplesize = p_stream->p_wf->nBlockAlign;
715 if( i_samplesize > 1 )
717 i_scale = i_samplesize;
718 i_rate = /*i_scale **/ p_stream->i_bitrate / 8;
720 else
722 i_samplesize = 1;
723 i_scale = 1000;
724 i_rate = 1000 * p_stream->i_bitrate / 8;
726 bo_AddFCC( p_bo, "auds" );
727 bo_AddDWordLE( p_bo, 0 ); /* tag */
728 bo_AddDWordLE( p_bo, 0 ); /* flags */
729 bo_AddWordLE( p_bo, 0 ); /* priority */
730 bo_AddWordLE( p_bo, 0 ); /* langage */
731 bo_AddDWordLE( p_bo, 0 ); /* initial frame */
732 bo_AddDWordLE( p_bo, i_scale );/* scale */
733 bo_AddDWordLE( p_bo, i_rate );
734 bo_AddDWordLE( p_bo, 0 ); /* start */
735 bo_AddDWordLE( p_bo, p_stream->i_frames );
736 bo_AddDWordLE( p_bo, 10 * 1024 );
737 bo_AddDWordLE( p_bo, -1 ); /* quality */
738 bo_AddDWordLE( p_bo, i_samplesize );
739 bo_AddWordLE( p_bo, 0 ); /* ??? */
740 bo_AddWordLE( p_bo, 0 ); /* ??? */
741 bo_AddWordLE( p_bo, 0 );
742 bo_AddWordLE( p_bo, 0 );
744 break;
747 AVI_BOX_EXIT( 0 );
750 static int avi_HeaderAdd_strf( buffer_out_t *p_bo, avi_stream_t *p_stream )
752 AVI_BOX_ENTER( "strf" );
754 switch( p_stream->i_cat )
756 case AUDIO_ES:
757 bo_AddWordLE( p_bo, p_stream->p_wf->wFormatTag );
758 bo_AddWordLE( p_bo, p_stream->p_wf->nChannels );
759 bo_AddDWordLE( p_bo, p_stream->p_wf->nSamplesPerSec );
760 bo_AddDWordLE( p_bo, p_stream->p_wf->nAvgBytesPerSec );
761 bo_AddWordLE( p_bo, p_stream->p_wf->nBlockAlign );
762 bo_AddWordLE( p_bo, p_stream->p_wf->wBitsPerSample );
763 bo_AddWordLE( p_bo, p_stream->p_wf->cbSize );
764 bo_AddMem( p_bo, p_stream->p_wf->cbSize, (uint8_t*)&p_stream->p_wf[1] );
765 break;
766 case VIDEO_ES:
767 bo_AddDWordLE( p_bo, p_stream->p_bih->biSize );
768 bo_AddDWordLE( p_bo, p_stream->p_bih->biWidth );
769 bo_AddDWordLE( p_bo, p_stream->p_bih->biHeight );
770 bo_AddWordLE( p_bo, p_stream->p_bih->biPlanes );
771 bo_AddWordLE( p_bo, p_stream->p_bih->biBitCount );
772 if( VLC_FOURCC( 0, 0, 0, 1 ) == 0x00000001 )
774 bo_AddDWordBE( p_bo, p_stream->p_bih->biCompression );
776 else
778 bo_AddDWordLE( p_bo, p_stream->p_bih->biCompression );
780 bo_AddDWordLE( p_bo, p_stream->p_bih->biSizeImage );
781 bo_AddDWordLE( p_bo, p_stream->p_bih->biXPelsPerMeter );
782 bo_AddDWordLE( p_bo, p_stream->p_bih->biYPelsPerMeter );
783 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrUsed );
784 bo_AddDWordLE( p_bo, p_stream->p_bih->biClrImportant );
785 bo_AddMem( p_bo,
786 p_stream->p_bih->biSize - sizeof( BITMAPINFOHEADER ),
787 (uint8_t*)&p_stream->p_bih[1] );
788 break;
791 AVI_BOX_EXIT( 0 );
794 static int avi_HeaderAdd_strl( buffer_out_t *p_bo, avi_stream_t *p_stream )
796 AVI_BOX_ENTER_LIST( "strl" );
798 avi_HeaderAdd_strh( p_bo, p_stream );
799 avi_HeaderAdd_strf( p_bo, p_stream );
801 AVI_BOX_EXIT( 0 );
804 static block_t *avi_HeaderCreateRIFF( sout_mux_t *p_mux )
806 sout_mux_sys_t *p_sys = p_mux->p_sys;
807 block_t *p_hdr;
808 int i_stream;
809 int i_junk;
810 buffer_out_t bo;
812 p_hdr = block_New( p_mux, HDR_SIZE );
813 memset( p_hdr->p_buffer, 0, HDR_SIZE );
815 bo_Init( &bo, HDR_SIZE, p_hdr->p_buffer );
817 bo_AddFCC( &bo, "RIFF" );
818 bo_AddDWordLE( &bo, p_sys->i_movi_size + HDR_SIZE - 8 + p_sys->i_idx1_size );
819 bo_AddFCC( &bo, "AVI " );
821 bo_AddFCC( &bo, "LIST" );
822 bo_AddDWordLE( &bo, HDR_SIZE - 8);
823 bo_AddFCC( &bo, "hdrl" );
825 avi_HeaderAdd_avih( p_mux, &bo );
826 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
828 avi_HeaderAdd_strl( &bo, &p_sys->stream[i_stream] );
831 i_junk = HDR_SIZE - bo.i_buffer - 8 - 12;
832 bo_AddFCC( &bo, "JUNK" );
833 bo_AddDWordLE( &bo, i_junk );
835 bo.i_buffer += i_junk;
836 bo_AddFCC( &bo, "LIST" );
837 bo_AddDWordLE( &bo, p_sys->i_movi_size + 4 );
838 bo_AddFCC( &bo, "movi" );
840 return( p_hdr );
843 static block_t * avi_HeaderCreateidx1( sout_mux_t *p_mux )
845 sout_mux_sys_t *p_sys = p_mux->p_sys;
846 block_t *p_idx1;
847 uint32_t i_idx1_size;
848 unsigned int i;
849 buffer_out_t bo;
851 i_idx1_size = 16 * p_sys->idx1.i_entry_count;
853 p_idx1 = block_New( p_mux, i_idx1_size + 8 );
854 memset( p_idx1->p_buffer, 0, i_idx1_size );
856 bo_Init( &bo, i_idx1_size, p_idx1->p_buffer );
857 bo_AddFCC( &bo, "idx1" );
858 bo_AddDWordLE( &bo, i_idx1_size );
860 for( i = 0; i < p_sys->idx1.i_entry_count; i++ )
862 bo_AddFCC( &bo, p_sys->idx1.entry[i].fcc );
863 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_flags );
864 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_pos );
865 bo_AddDWordLE( &bo, p_sys->idx1.entry[i].i_length );
868 return( p_idx1 );