1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001-2009 VLC authors and VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * 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>
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Open ( vlc_object_t * );
45 static void Close ( vlc_object_t * );
47 #define SOUT_CFG_PREFIX "sout-avi-"
49 #define CFG_ARTIST_TEXT N_("Artist")
50 #define CFG_DATE_TEXT N_("Date")
51 #define CFG_GENRE_TEXT N_("Genre")
52 #define CFG_COPYRIGHT_TEXT N_("Copyright")
53 #define CFG_COMMENT_TEXT N_("Comment")
54 #define CFG_NAME_TEXT N_("Name")
55 #define CFG_SUBJECT_TEXT N_("Subject")
56 #define CFG_ENCODER_TEXT N_("Encoder")
57 #define CFG_KEYWORDS_TEXT N_("Keywords")
60 set_description( N_("AVI muxer") )
61 set_category( CAT_SOUT )
62 set_subcategory( SUBCAT_SOUT_MUX )
63 set_capability( "sout mux", 5 )
66 add_string( SOUT_CFG_PREFIX "artist", NULL, CFG_ARTIST_TEXT, NULL, true )
67 add_string( SOUT_CFG_PREFIX "date", NULL, CFG_DATE_TEXT, NULL, true )
68 add_string( SOUT_CFG_PREFIX "genre", NULL, CFG_GENRE_TEXT, NULL, true )
69 add_string( SOUT_CFG_PREFIX "copyright", NULL, CFG_COPYRIGHT_TEXT, NULL, true )
70 add_string( SOUT_CFG_PREFIX "comment", NULL, CFG_COMMENT_TEXT, NULL, true )
71 add_string( SOUT_CFG_PREFIX "name", NULL, CFG_NAME_TEXT, NULL, true )
72 add_string( SOUT_CFG_PREFIX "subject", NULL, CFG_SUBJECT_TEXT, NULL, true )
73 add_string( SOUT_CFG_PREFIX "encoder",
74 "VLC Media Player - " VERSION_MESSAGE,
75 CFG_ENCODER_TEXT, NULL, true )
76 add_string( SOUT_CFG_PREFIX "keywords", NULL, CFG_KEYWORDS_TEXT, NULL, true )
78 set_callbacks( Open, Close )
82 /*****************************************************************************
84 *****************************************************************************/
85 static int Control( sout_mux_t *, int, va_list );
86 static int AddStream( sout_mux_t *, sout_input_t * );
87 static void DelStream( sout_mux_t *, sout_input_t * );
88 static int Mux ( sout_mux_t * );
90 typedef struct avi_stream_s
96 mtime_t i_duration; // in µs
98 int i_frames; // total frame count
99 int64_t i_totalsize; // total stream size
104 VLC_BITMAPINFOHEADER *p_bih;
109 typedef struct avi_idx1_entry_s
118 typedef struct avi_idx1_s
120 unsigned int i_entry_count;
121 unsigned int i_entry_max;
123 avi_idx1_entry_t *entry;
126 struct sout_mux_sys_t
134 avi_stream_t stream[100];
141 #define HDR_BASE_SIZE 512 /* single video&audio ~ 400 bytes header */
144 #define AVIF_HASINDEX 0x00000010 // Index at end of file?
145 #define AVIF_ISINTERLEAVED 0x00000100
146 #define AVIF_TRUSTCKTYPE 0x00000800 // Use CKType to find key frames?
148 /* Flags for index */
149 #define AVIIF_KEYFRAME 0x00000010L /* this frame is a key frame.*/
152 static block_t *avi_HeaderCreateRIFF( sout_mux_t * );
153 static block_t *avi_HeaderCreateidx1( sout_mux_t * );
155 static void SetFCC( uint8_t *p, char *fcc )
160 /*****************************************************************************
162 *****************************************************************************/
163 static int Open( vlc_object_t *p_this )
165 sout_mux_t *p_mux = (sout_mux_t*)p_this;
166 sout_mux_sys_t *p_sys;
168 msg_Dbg( p_mux, "AVI muxer opened" );
170 p_sys = malloc( sizeof( sout_mux_sys_t ) );
173 p_sys->i_streams = 0;
174 p_sys->i_stream_video = -1;
175 p_sys->i_movi_size = 0;
177 p_sys->idx1.i_entry_count = 0;
178 p_sys->idx1.i_entry_max = 10000;
179 p_sys->idx1.entry = calloc( p_sys->idx1.i_entry_max,
180 sizeof( avi_idx1_entry_t ) );
181 if( !p_sys->idx1.entry )
186 p_sys->b_write_header = true;
189 p_mux->pf_control = Control;
190 p_mux->pf_addstream = AddStream;
191 p_mux->pf_delstream = DelStream;
193 p_mux->p_sys = p_sys;
198 /*****************************************************************************
200 *****************************************************************************/
201 static void Close( vlc_object_t * p_this )
203 sout_mux_t *p_mux = (sout_mux_t*)p_this;
204 sout_mux_sys_t *p_sys = p_mux->p_sys;
206 block_t *p_hdr, *p_idx1;
209 msg_Dbg( p_mux, "AVI muxer closed" );
211 /* first create idx1 chunk (write at the end of the stream */
212 p_idx1 = avi_HeaderCreateidx1( p_mux );
213 p_sys->i_idx1_size = p_idx1->i_buffer;
214 sout_AccessOutWrite( p_mux->p_access, p_idx1 );
216 /* calculate some value for headers creations */
217 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
219 avi_stream_t *p_stream;
221 p_stream = &p_sys->stream[i_stream];
223 p_stream->f_fps = 25;
224 if( p_stream->i_duration > 0 )
226 p_stream->f_fps = (float)p_stream->i_frames /
227 ( (float)p_stream->i_duration /
230 p_stream->i_bitrate = 128 * 1024;
231 if( p_stream->i_duration > 0 )
233 p_stream->i_bitrate =
234 8 * (uint64_t)1000000 *
235 (uint64_t)p_stream->i_totalsize /
236 (uint64_t)p_stream->i_duration;
238 msg_Info( p_mux, "stream[%d] duration:%"PRId64" totalsize:%"PRId64
239 " frames:%d fps:%f KiB/s:%d",
241 (int64_t)p_stream->i_duration / (int64_t)1000000,
242 p_stream->i_totalsize,
244 p_stream->f_fps, p_stream->i_bitrate/1024 );
247 p_hdr = avi_HeaderCreateRIFF( p_mux );
248 sout_AccessOutSeek( p_mux->p_access, 0 );
249 sout_AccessOutWrite( p_mux->p_access, p_hdr );
251 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
253 avi_stream_t *p_stream;
254 p_stream = &p_sys->stream[i_stream];
255 free( p_stream->p_bih );
256 free( p_stream->p_wf );
258 free( p_sys->idx1.entry );
262 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
270 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
271 pb_bool = (bool*)va_arg( args, bool * );
275 case MUX_GET_ADD_STREAM_WAIT:
276 pb_bool = (bool*)va_arg( args, bool * );
281 ppsz = (char**)va_arg( args, char ** );
282 *ppsz = strdup( "video/avi" );
290 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
292 sout_mux_sys_t *p_sys = p_mux->p_sys;
293 avi_stream_t *p_stream;
295 if( p_sys->i_streams >= 100 )
297 msg_Err( p_mux, "too many streams" );
301 msg_Dbg( p_mux, "adding input" );
302 p_input->p_sys = malloc( sizeof( int ) );
303 if( !p_input->p_sys )
306 *((int*)p_input->p_sys) = p_sys->i_streams;
307 p_stream = &p_sys->stream[p_sys->i_streams];
309 switch( p_input->p_fmt->i_cat )
312 p_stream->i_cat = AUDIO_ES;
313 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
314 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
315 p_stream->fcc[2] = 'w';
316 p_stream->fcc[3] = 'b';
318 p_stream->p_bih = NULL;
320 WAVEFORMATEX *p_wf = malloc( sizeof( WAVEFORMATEX ) +
321 p_input->p_fmt->i_extra );
324 free( p_input->p_sys );
325 p_input->p_sys = NULL;
329 p_wf->cbSize = p_input->p_fmt->i_extra;
330 if( p_wf->cbSize > 0 )
333 p_input->p_fmt->p_extra,
334 p_input->p_fmt->i_extra );
336 p_wf->nChannels = p_input->p_fmt->audio.i_channels;
337 p_wf->nSamplesPerSec = p_input->p_fmt->audio.i_rate;
338 p_wf->nBlockAlign = p_input->p_fmt->audio.i_blockalign;
339 p_wf->nAvgBytesPerSec= p_input->p_fmt->i_bitrate / 8;
340 p_wf->wBitsPerSample = 0;
342 switch( p_input->p_fmt->i_codec )
345 p_wf->wFormatTag = WAVE_FORMAT_A52;
346 p_wf->nBlockAlign= 1;
349 p_wf->wFormatTag = WAVE_FORMAT_MPEGLAYER3;
350 p_wf->nBlockAlign= 1;
353 p_wf->wFormatTag = WAVE_FORMAT_WMA1;
356 p_wf->wFormatTag = WAVE_FORMAT_WMA2;
359 p_wf->wFormatTag = WAVE_FORMAT_WMAP;
362 p_wf->wFormatTag = WAVE_FORMAT_WMAL;
366 p_wf->wFormatTag = WAVE_FORMAT_PCM;
367 p_wf->nBlockAlign= p_wf->nChannels;
368 p_wf->wBitsPerSample = 8;
369 p_wf->nAvgBytesPerSec = (p_wf->wBitsPerSample/8) *
370 p_wf->nSamplesPerSec * p_wf->nChannels;
373 p_wf->wFormatTag = WAVE_FORMAT_PCM;
374 p_wf->nBlockAlign= 2 * p_wf->nChannels;
375 p_wf->wBitsPerSample = 16;
376 p_wf->nAvgBytesPerSec = (p_wf->wBitsPerSample/8) *
377 p_wf->nSamplesPerSec * p_wf->nChannels;
380 p_wf->wFormatTag = WAVE_FORMAT_PCM;
381 p_wf->nBlockAlign= 3 * p_wf->nChannels;
382 p_wf->wBitsPerSample = 24;
383 p_wf->nAvgBytesPerSec = (p_wf->wBitsPerSample/8) *
384 p_wf->nSamplesPerSec * p_wf->nChannels;
387 p_wf->wFormatTag = WAVE_FORMAT_PCM;
388 p_wf->nBlockAlign= 4 * p_wf->nChannels;
389 p_wf->wBitsPerSample = 32;
390 p_wf->nAvgBytesPerSec = (p_wf->wBitsPerSample/8) *
391 p_wf->nSamplesPerSec * p_wf->nChannels;
395 free( p_input->p_sys );
396 p_input->p_sys = NULL;
399 p_stream->p_wf = p_wf;
402 p_stream->i_cat = VIDEO_ES;
403 p_stream->fcc[0] = '0' + p_sys->i_streams / 10;
404 p_stream->fcc[1] = '0' + p_sys->i_streams % 10;
405 p_stream->fcc[2] = 'd';
406 p_stream->fcc[3] = 'c';
407 if( p_sys->i_stream_video < 0 )
409 p_sys->i_stream_video = p_sys->i_streams;
411 p_stream->p_wf = NULL;
412 VLC_BITMAPINFOHEADER *p_bih = malloc( sizeof( VLC_BITMAPINFOHEADER ) +
413 p_input->p_fmt->i_extra );
416 free( p_input->p_sys );
417 p_input->p_sys = NULL;
421 p_bih->biSize = sizeof( VLC_BITMAPINFOHEADER ) +
422 p_input->p_fmt->i_extra;
423 if( p_input->p_fmt->i_extra > 0 )
426 p_input->p_fmt->p_extra,
427 p_input->p_fmt->i_extra );
429 p_bih->biWidth = p_input->p_fmt->video.i_width;
430 p_bih->biHeight= p_input->p_fmt->video.i_height;
432 p_bih->biBitCount = 24;
433 p_bih->biSizeImage = 0;
434 p_bih->biXPelsPerMeter = 0;
435 p_bih->biYPelsPerMeter = 0;
436 p_bih->biClrUsed = 0;
437 p_bih->biClrImportant = 0;
438 switch( p_input->p_fmt->i_codec )
441 p_bih->biCompression = VLC_FOURCC( 'X', 'V', 'I', 'D' );
444 p_bih->biCompression = p_input->p_fmt->i_original_fourcc ?: p_input->p_fmt->i_codec;
447 p_stream->p_bih = p_bih;
450 free( p_input->p_sys );
451 p_input->p_sys = NULL;
452 return( VLC_EGENERIC );
454 p_stream->i_totalsize = 0;
455 p_stream->i_frames = 0;
456 p_stream->i_duration = 0;
459 p_stream->f_fps = 25;
460 p_stream->i_bitrate = 128 * 1024;
463 return( VLC_SUCCESS );
466 static void DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
468 msg_Dbg( p_mux, "removing input" );
470 free( p_input->p_sys );
473 static int Mux ( sout_mux_t *p_mux )
475 sout_mux_sys_t *p_sys = p_mux->p_sys;
476 avi_stream_t *p_stream;
479 if( p_sys->b_write_header )
483 msg_Dbg( p_mux, "writing header" );
485 p_hdr = avi_HeaderCreateRIFF( p_mux );
486 sout_AccessOutWrite( p_mux->p_access, p_hdr );
488 p_sys->b_write_header = false;
491 for( i = 0; i < p_mux->i_nb_inputs; i++ )
494 block_fifo_t *p_fifo;
496 if (!p_mux->pp_inputs[i]->p_sys)
499 i_stream = *((int*)p_mux->pp_inputs[i]->p_sys );
500 p_stream = &p_sys->stream[i_stream];
502 p_fifo = p_mux->pp_inputs[i]->p_fifo;
503 i_count = block_FifoCount( p_fifo );
506 avi_idx1_entry_t *p_idx;
509 p_data = block_FifoGet( p_fifo );
510 if( block_FifoCount( p_fifo ) > 0 )
512 block_t *p_next = block_FifoShow( p_fifo );
513 p_data->i_length = p_next->i_dts - p_data->i_dts;
517 if( p_stream->i_frames == 0 &&p_stream->i_cat == VIDEO_ES )
519 /* Add header present at the end of BITMAP info header
520 to first frame in case of XVID */
521 if( p_stream->p_bih->biCompression
522 == VLC_FOURCC( 'X', 'V', 'I', 'D' ) )
524 int i_header_length =
525 p_stream->p_bih->biSize - sizeof(VLC_BITMAPINFOHEADER);
526 p_data = block_Realloc( p_data,
527 i_header_length, p_data->i_buffer );
530 memcpy(p_data->p_buffer,&p_stream->p_bih[1], i_header_length);
534 p_stream->i_frames++;
535 if( p_data->i_length < 0 )
537 msg_Warn( p_mux, "argg length < 0 l" );
538 block_Release( p_data );
542 p_stream->i_duration += p_data->i_length;
543 p_stream->i_totalsize += p_data->i_buffer;
545 /* add idx1 entry for this frame */
546 p_idx = &p_sys->idx1.entry[p_sys->idx1.i_entry_count];
547 memcpy( p_idx->fcc, p_stream->fcc, 4 );
549 if( ( p_data->i_flags & BLOCK_FLAG_TYPE_MASK ) == 0 || ( p_data->i_flags & BLOCK_FLAG_TYPE_I ) )
550 p_idx->i_flags = AVIIF_KEYFRAME;
551 p_idx->i_pos = p_sys->i_movi_size + 4;
552 p_idx->i_length= p_data->i_buffer;
553 p_sys->idx1.i_entry_count++;
554 if( p_sys->idx1.i_entry_count >= p_sys->idx1.i_entry_max )
556 p_sys->idx1.i_entry_max += 10000;
557 p_sys->idx1.entry = xrealloc( p_sys->idx1.entry,
558 p_sys->idx1.i_entry_max * sizeof( avi_idx1_entry_t ) );
561 p_data = block_Realloc( p_data, 8, p_data->i_buffer );
564 SetFCC( p_data->p_buffer, p_stream->fcc );
565 SetDWLE( p_data->p_buffer + 4, p_data->i_buffer - 8 );
567 if( p_data->i_buffer & 0x01 )
569 p_data = block_Realloc( p_data, 0, p_data->i_buffer + 1 );
570 p_data->p_buffer[ p_data->i_buffer - 1 ] = '\0';
573 p_sys->i_movi_size += p_data->i_buffer;
574 sout_AccessOutWrite( p_mux->p_access, p_data );
584 /****************************************************************************
585 ****************************************************************************
587 ** avi header generation
589 ****************************************************************************
590 ****************************************************************************/
591 #define AVI_BOX_ENTER( fcc ) \
592 int i_datasize_offset; \
593 bo_add_fourcc( p_bo, fcc ); \
594 i_datasize_offset = p_bo->b->i_buffer; \
595 bo_add_32le( p_bo, 0 )
597 #define AVI_BOX_ENTER_LIST( fcc ) \
598 AVI_BOX_ENTER( "LIST" ); \
599 bo_add_fourcc( p_bo, fcc )
601 #define AVI_BOX_EXIT( i_err ) \
602 if( p_bo->b->i_buffer&0x01 ) bo_add_8( p_bo, 0 ); \
603 bo_set_32le( p_bo, i_datasize_offset, p_bo->b->i_buffer - i_datasize_offset - 4 ); \
606 static int avi_HeaderAdd_avih( sout_mux_t *p_mux,
609 sout_mux_sys_t *p_sys = p_mux->p_sys;
610 avi_stream_t *p_video = NULL;
612 uint32_t i_microsecperframe;
613 int i_maxbytespersec;
615 AVI_BOX_ENTER( "avih" );
617 if( p_sys->i_stream_video >= 0 )
619 p_video = &p_sys->stream[p_sys->i_stream_video];
620 if( p_video->i_frames <= 0 )
629 (uint32_t)( (float)1000000 /
630 (float)p_sys->stream[p_sys->i_stream_video].f_fps );
631 i_totalframes = p_sys->stream[p_sys->i_stream_video].i_frames;
635 msg_Warn( p_mux, "avi file without video track isn't a good idea..." );
636 i_microsecperframe = 0;
640 for( i_stream = 0,i_maxbytespersec = 0; i_stream < p_sys->i_streams; i_stream++ )
642 if( p_sys->stream[i_stream].i_duration > 0 )
645 p_sys->stream[i_stream].i_totalsize /
646 p_sys->stream[i_stream].i_duration;
650 bo_add_32le( p_bo, i_microsecperframe );
651 bo_add_32le( p_bo, i_maxbytespersec );
652 bo_add_32le( p_bo, 0 ); /* padding */
653 bo_add_32le( p_bo, AVIF_TRUSTCKTYPE |
655 AVIF_ISINTERLEAVED ); /* flags */
656 bo_add_32le( p_bo, i_totalframes );
657 bo_add_32le( p_bo, 0 ); /* initial frame */
658 bo_add_32le( p_bo, p_sys->i_streams ); /* streams count */
659 bo_add_32le( p_bo, 1024 * 1024 ); /* suggested buffer size */
662 bo_add_32le( p_bo, p_video->p_bih->biWidth );
663 bo_add_32le( p_bo, p_video->p_bih->biHeight );
667 bo_add_32le( p_bo, 0 );
668 bo_add_32le( p_bo, 0 );
670 bo_add_32le( p_bo, 0 ); /* ???? */
671 bo_add_32le( p_bo, 0 ); /* ???? */
672 bo_add_32le( p_bo, 0 ); /* ???? */
673 bo_add_32le( p_bo, 0 ); /* ???? */
677 static int avi_HeaderAdd_strh( bo_t *p_bo, avi_stream_t *p_stream )
679 AVI_BOX_ENTER( "strh" );
681 switch( p_stream->i_cat )
685 bo_add_fourcc( p_bo, "vids" );
686 bo_add_32be( p_bo, p_stream->p_bih->biCompression );
687 bo_add_32le( p_bo, 0 ); /* flags */
688 bo_add_16le( p_bo, 0 ); /* priority */
689 bo_add_16le( p_bo, 0 ); /* langage */
690 bo_add_32le( p_bo, 0 ); /* initial frame */
691 bo_add_32le( p_bo, 1000 );/* scale */
692 bo_add_32le( p_bo, (uint32_t)( 1000 * p_stream->f_fps ));
693 bo_add_32le( p_bo, 0 ); /* start */
694 bo_add_32le( p_bo, p_stream->i_frames );
695 bo_add_32le( p_bo, 1024 * 1024 );
696 bo_add_32le( p_bo, -1 ); /* quality */
697 bo_add_32le( p_bo, 0 ); /* samplesize */
698 bo_add_16le( p_bo, 0 ); /* ??? */
699 bo_add_16le( p_bo, 0 ); /* ??? */
700 bo_add_16le( p_bo, p_stream->p_bih->biWidth );
701 bo_add_16le( p_bo, p_stream->p_bih->biHeight );
706 int i_rate, i_scale, i_samplesize;
708 i_samplesize = p_stream->p_wf->nBlockAlign;
709 if( i_samplesize > 1 )
711 i_scale = i_samplesize;
712 i_rate = /*i_scale **/ p_stream->i_bitrate / 8;
718 i_rate = 1000 * p_stream->i_bitrate / 8;
720 bo_add_fourcc( p_bo, "auds" );
721 bo_add_32le( p_bo, 0 ); /* tag */
722 bo_add_32le( p_bo, 0 ); /* flags */
723 bo_add_16le( p_bo, 0 ); /* priority */
724 bo_add_16le( p_bo, 0 ); /* langage */
725 bo_add_32le( p_bo, 0 ); /* initial frame */
726 bo_add_32le( p_bo, i_scale );/* scale */
727 bo_add_32le( p_bo, i_rate );
728 bo_add_32le( p_bo, 0 ); /* start */
729 bo_add_32le( p_bo, p_stream->i_frames );
730 bo_add_32le( p_bo, 10 * 1024 );
731 bo_add_32le( p_bo, -1 ); /* quality */
732 bo_add_32le( p_bo, i_samplesize );
733 bo_add_16le( p_bo, 0 ); /* ??? */
734 bo_add_16le( p_bo, 0 ); /* ??? */
735 bo_add_16le( p_bo, 0 );
736 bo_add_16le( p_bo, 0 );
744 static int avi_HeaderAdd_strf( bo_t *p_bo, avi_stream_t *p_stream )
746 AVI_BOX_ENTER( "strf" );
748 switch( p_stream->i_cat )
751 bo_add_16le( p_bo, p_stream->p_wf->wFormatTag );
752 bo_add_16le( p_bo, p_stream->p_wf->nChannels );
753 bo_add_32le( p_bo, p_stream->p_wf->nSamplesPerSec );
754 bo_add_32le( p_bo, p_stream->p_wf->nAvgBytesPerSec );
755 bo_add_16le( p_bo, p_stream->p_wf->nBlockAlign );
756 bo_add_16le( p_bo, p_stream->p_wf->wBitsPerSample );
757 bo_add_16le( p_bo, p_stream->p_wf->cbSize );
758 bo_add_mem( p_bo, p_stream->p_wf->cbSize, (uint8_t*)&p_stream->p_wf[1] );
761 bo_add_32le( p_bo, p_stream->p_bih->biSize );
762 bo_add_32le( p_bo, p_stream->p_bih->biWidth );
763 bo_add_32le( p_bo, p_stream->p_bih->biHeight );
764 bo_add_16le( p_bo, p_stream->p_bih->biPlanes );
765 bo_add_16le( p_bo, p_stream->p_bih->biBitCount );
766 if( VLC_FOURCC( 0, 0, 0, 1 ) == 0x00000001 )
768 bo_add_32be( p_bo, p_stream->p_bih->biCompression );
772 bo_add_32le( p_bo, p_stream->p_bih->biCompression );
774 bo_add_32le( p_bo, p_stream->p_bih->biSizeImage );
775 bo_add_32le( p_bo, p_stream->p_bih->biXPelsPerMeter );
776 bo_add_32le( p_bo, p_stream->p_bih->biYPelsPerMeter );
777 bo_add_32le( p_bo, p_stream->p_bih->biClrUsed );
778 bo_add_32le( p_bo, p_stream->p_bih->biClrImportant );
780 p_stream->p_bih->biSize - sizeof( VLC_BITMAPINFOHEADER ),
781 (uint8_t*)&p_stream->p_bih[1] );
788 static int avi_HeaderAdd_strl( bo_t *p_bo, avi_stream_t *p_stream )
790 AVI_BOX_ENTER_LIST( "strl" );
792 avi_HeaderAdd_strh( p_bo, p_stream );
793 avi_HeaderAdd_strf( p_bo, p_stream );
798 static int avi_HeaderAdd_meta( bo_t *p_bo, const char psz_meta[4],
799 const char *psz_data )
801 if ( psz_data == NULL ) return 1;
802 const char *psz = psz_data;
803 AVI_BOX_ENTER( psz_meta );
804 while (*psz) bo_add_8( p_bo, *psz++ );
809 static int avi_HeaderAdd_INFO( sout_mux_t *p_mux, bo_t *p_bo )
813 #define APPLY_META(var, fourcc) \
814 psz = var_InheritString( p_mux, SOUT_CFG_PREFIX var );\
817 avi_HeaderAdd_meta( p_bo, fourcc, psz );\
821 AVI_BOX_ENTER_LIST( "INFO" );
823 APPLY_META( "artist", "IART")
824 APPLY_META( "comment", "ICMT")
825 APPLY_META( "copyright","ICOP")
826 APPLY_META( "date", "ICRD")
827 APPLY_META( "genre", "IGNR")
828 APPLY_META( "name", "INAM")
829 APPLY_META( "keywords", "IKEY")
830 APPLY_META( "subject", "ISBJ")
831 APPLY_META( "encoder", "ISFT")
832 /* Some are missing, but are they really useful ?? */
839 static block_t *avi_HeaderCreateRIFF( sout_mux_t *p_mux )
841 sout_mux_sys_t *p_sys = p_mux->p_sys;
853 bo_init( &bo, HDR_BASE_SIZE );
855 bo_add_fourcc( &bo, "RIFF" );
856 offsets.i_riffsize = bo.b->i_buffer;
857 bo_add_32le( &bo, 0xEFBEADDE );
858 bo_add_fourcc( &bo, "AVI " );
860 bo_add_fourcc( &bo, "LIST" );
861 /* HDRL List size should exclude following data in HDR buffer
862 * -12 (RIFF, RIFF size, 'AVI ' tag),
863 * - 8 (hdr1 LIST tag and its size)
864 * - 12 (movi LIST tag, size, 'movi' listType )
866 offsets.i_hdrllistsize = bo.b->i_buffer;
867 bo_add_32le( &bo, 0xEFBEADDE );
868 bo_add_fourcc( &bo, "hdrl" );
869 offsets.i_hdrldatastart = bo.b->i_buffer;
871 avi_HeaderAdd_avih( p_mux, &bo );
872 for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
874 avi_HeaderAdd_strl( &bo, &p_sys->stream[i_stream] );
877 /* align on 16 bytes */
878 int i_align = ( ( bo.b->i_buffer + 12 + 0xE ) & ~ 0xF );
879 i_junk = i_align - bo.b->i_buffer;
880 bo_add_fourcc( &bo, "JUNK" );
881 bo_add_32le( &bo, i_junk );
882 for( int i=0; i< i_junk; i++ )
887 /* Now set hdrl size */
888 bo_set_32le( &bo, offsets.i_hdrllistsize,
889 bo.b->i_buffer - offsets.i_hdrldatastart );
891 avi_HeaderAdd_INFO( p_mux, &bo );
893 bo_add_fourcc( &bo, "LIST" );
894 bo_add_32le( &bo, p_sys->i_movi_size + 4 );
895 bo_add_fourcc( &bo, "movi" );
897 /* Now set RIFF size */
898 bo_set_32le( &bo, offsets.i_riffsize, bo.b->i_buffer - 8
899 + p_sys->i_movi_size + p_sys->i_idx1_size );
904 static block_t * avi_HeaderCreateidx1( sout_mux_t *p_mux )
906 sout_mux_sys_t *p_sys = p_mux->p_sys;
907 uint32_t i_idx1_size;
910 i_idx1_size = 16 * p_sys->idx1.i_entry_count + 8;
912 bo_init( &bo, i_idx1_size );
913 memset( bo.b->p_buffer, 0, i_idx1_size);
915 bo_add_fourcc( &bo, "idx1" );
916 bo_add_32le( &bo, i_idx1_size - 8);
918 for( unsigned i = 0; i < p_sys->idx1.i_entry_count; i++ )
920 bo_add_fourcc( &bo, p_sys->idx1.entry[i].fcc );
921 bo_add_32le( &bo, p_sys->idx1.entry[i].i_flags );
922 bo_add_32le( &bo, p_sys->idx1.entry[i].i_pos );
923 bo_add_32le( &bo, p_sys->idx1.entry[i].i_length );