1 /*****************************************************************************
2 * asf.c: asf muxer module for vlc
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
31 #include <vlc/input.h>
37 #define MAX_ASF_TRACKS 128
39 /*****************************************************************************
41 *****************************************************************************/
42 static int Open ( vlc_object_t * );
43 static void Close ( vlc_object_t * );
45 #define SOUT_CFG_PREFIX "sout-asf-"
47 #define TITLE_TEXT N_("Title")
48 #define TITLE_LONGTEXT N_("Allows you to define the title that will be put " \
50 #define AUTHOR_TEXT N_("Author")
51 #define AUTHOR_LONGTEXT N_("Allows you to define the author that will be put "\
53 #define COPYRIGHT_TEXT N_("Copyright")
54 #define COPYRIGHT_LONGTEXT N_("Allows you to define the copyright string " \
55 "that will be put in ASF comments.")
56 #define COMMENT_TEXT N_("Comment")
57 #define COMMENT_LONGTEXT N_("Allows you to define the comment that will be " \
58 "put in ASF comments.")
59 #define RATING_TEXT N_("Rating")
60 #define RATING_LONGTEXT N_("Allows you to define the \"rating\" that will " \
61 "be put in ASF comments.")
64 set_description( _("ASF muxer") );
65 set_category( CAT_SOUT );
66 set_subcategory( SUBCAT_SOUT_MUX );
67 set_shortname( "ASF" );
69 set_capability( "sout mux", 5 );
70 add_shortcut( "asf" );
71 add_shortcut( "asfh" );
72 set_callbacks( Open, Close );
74 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
76 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
77 AUTHOR_LONGTEXT, VLC_TRUE );
78 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
79 COPYRIGHT_LONGTEXT, VLC_TRUE );
80 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
81 COMMENT_LONGTEXT, VLC_TRUE );
82 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
83 RATING_LONGTEXT, VLC_TRUE );
86 /*****************************************************************************
88 *****************************************************************************/
89 static const char *ppsz_sout_options[] = {
90 "title", "author", "copyright", "comment", "rating", NULL
93 static int Control ( sout_mux_t *, int, va_list );
94 static int AddStream( sout_mux_t *, sout_input_t * );
95 static int DelStream( sout_mux_t *, sout_input_t * );
96 static int Mux ( sout_mux_t * );
103 /* codec information */
104 uint16_t i_tag; /* for audio */
105 vlc_fourcc_t i_fourcc; /* for video */
106 char *psz_name; /* codec name */
107 int i_blockalign; /* for audio only */
108 vlc_bool_t b_audio_correction;
119 struct sout_mux_sys_t
121 guid_t fid; /* file id */
123 int64_t i_packet_count;
126 mtime_t i_preroll_time;
130 asf_track_t track[MAX_ASF_TRACKS];
132 vlc_bool_t b_write_header;
139 vlc_bool_t b_asf_http;
150 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
152 static block_t *asf_header_create( sout_mux_t *, vlc_bool_t );
153 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
154 static block_t *asf_stream_end_create( sout_mux_t *);
155 static block_t *asf_packet_flush( sout_mux_t * );
165 static void bo_init ( bo_t *, uint8_t *, int );
166 static void bo_add_u8 ( bo_t *, uint8_t );
167 static void bo_addle_u16( bo_t *, uint16_t );
168 static void bo_addle_u32( bo_t *, uint32_t );
169 static void bo_addle_u64( bo_t *, uint64_t );
170 static void bo_add_mem ( bo_t *, uint8_t *, int );
172 static void bo_addle_str16( bo_t *, char * );
174 /*****************************************************************************
176 *****************************************************************************/
177 static int Open( vlc_object_t *p_this )
179 sout_mux_t *p_mux = (sout_mux_t*)p_this;
180 sout_mux_sys_t *p_sys;
184 msg_Dbg( p_mux, "Asf muxer opened" );
185 sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
187 p_mux->pf_control = Control;
188 p_mux->pf_addstream = AddStream;
189 p_mux->pf_delstream = DelStream;
192 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
193 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
194 if( p_sys->b_asf_http )
196 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
199 p_sys->i_pk_used = 0;
200 p_sys->i_pk_frame = 0;
201 p_sys->i_dts_first = -1;
202 p_sys->i_dts_last = 0;
203 p_sys->i_preroll_time = 2000;
204 p_sys->i_bitrate = 0;
207 p_sys->b_write_header = VLC_TRUE;
209 p_sys->i_packet_size = 4096;
210 p_sys->i_packet_count= 0;
212 /* Generate a random fid */
213 srand( mdate() & 0xffffffff );
214 p_sys->fid.Data1 = 0xbabac001;
215 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
216 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
217 for( i = 0; i < 8; i++ )
219 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
223 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
224 p_sys->psz_title = val.psz_string;
226 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
227 p_sys->psz_author = val.psz_string;
229 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
230 p_sys->psz_copyright = val.psz_string;
232 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
233 p_sys->psz_comment = val.psz_string;
235 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
236 p_sys->psz_rating = val.psz_string;
238 msg_Dbg( p_mux, "meta data: title='%s' author='%s' copyright='%s' "
239 "comment='%s' rating='%s'",
240 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
241 p_sys->psz_comment, p_sys->psz_rating );
246 /*****************************************************************************
248 *****************************************************************************/
249 static void Close( vlc_object_t * p_this )
251 sout_mux_t *p_mux = (sout_mux_t*)p_this;
252 sout_mux_sys_t *p_sys = p_mux->p_sys;
256 msg_Dbg( p_mux, "Asf muxer closed" );
258 /* Flush last packet if any */
259 if( (out = asf_packet_flush( p_mux ) ) )
261 sout_AccessOutWrite( p_mux->p_access, out );
264 if( ( out = asf_stream_end_create( p_mux ) ) )
266 sout_AccessOutWrite( p_mux->p_access, out );
270 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
272 out = asf_header_create( p_mux, VLC_FALSE );
273 sout_AccessOutWrite( p_mux->p_access, out );
276 for( i = 0; i < p_sys->i_track; i++ )
278 free( p_sys->track[i].p_extra );
279 es_format_Clean( &p_sys->track[i].fmt );
284 /*****************************************************************************
286 *****************************************************************************/
287 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
289 sout_mux_sys_t *p_sys = p_mux->p_sys;
295 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
296 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
297 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
298 else *pb_bool = VLC_FALSE;
301 case MUX_GET_ADD_STREAM_WAIT:
302 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
307 ppsz = (char**)va_arg( args, char ** );
308 if( p_sys->b_asf_http )
309 *ppsz = strdup( "video/x-ms-asf-stream" );
311 *ppsz = strdup( "video/x-ms-asf" );
319 /*****************************************************************************
321 *****************************************************************************/
322 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
324 sout_mux_sys_t *p_sys = p_mux->p_sys;
328 msg_Dbg( p_mux, "adding input" );
329 if( p_sys->i_track >= MAX_ASF_TRACKS )
331 msg_Dbg( p_mux, "cannot add this track (too much track)" );
335 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
336 tk->i_id = p_sys->i_track + 1;
337 tk->i_cat = p_input->p_fmt->i_cat;
339 tk->b_audio_correction = 0;
345 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
346 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
349 switch( p_input->p_fmt->i_codec )
351 case VLC_FOURCC( 'a', '5', '2', ' ' ):
352 tk->i_tag = WAVE_FORMAT_A52;
353 tk->psz_name = "A/52";
355 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
357 tk->psz_name = "MPEG Audio Layer 3";
358 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
363 tk->psz_name = "MPEG Audio Layer 1/2";
364 tk->i_tag = WAVE_FORMAT_MPEG;
369 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
370 tk->psz_name = "Windows Media Audio v1";
371 tk->i_tag = WAVE_FORMAT_WMA1;
372 tk->b_audio_correction = VLC_TRUE;
374 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
375 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
376 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
377 tk->i_tag = WAVE_FORMAT_WMA2;
378 tk->b_audio_correction = VLC_TRUE;
380 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
381 tk->psz_name = "Windows Media Audio 9 Professional";
382 tk->i_tag = WAVE_FORMAT_WMAP;
383 tk->b_audio_correction = VLC_TRUE;
385 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
386 tk->psz_name = "Windows Media Audio 9 Lossless";
387 tk->i_tag = WAVE_FORMAT_WMAL;
388 tk->b_audio_correction = VLC_TRUE;
391 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
392 tk->psz_name = "Raw audio 8bits";
393 tk->i_tag = WAVE_FORMAT_PCM;
394 i_blockalign= p_input->p_fmt->audio.i_channels;
397 case VLC_FOURCC( 's', '1', '6', 'l' ):
398 tk->psz_name = "Raw audio 16bits";
399 tk->i_tag = WAVE_FORMAT_PCM;
400 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
401 i_bitspersample = 16;
403 case VLC_FOURCC( 's', '2', '4', 'l' ):
404 tk->psz_name = "Raw audio 24bits";
405 tk->i_tag = WAVE_FORMAT_PCM;
406 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
407 i_bitspersample = 24;
409 case VLC_FOURCC( 's', '3', '2', 'l' ):
410 tk->psz_name = "Raw audio 32bits";
411 tk->i_tag = WAVE_FORMAT_PCM;
412 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
413 i_bitspersample = 32;
419 tk->i_extra = sizeof( WAVEFORMATEX ) +
420 p_input->p_fmt->i_extra + i_extra;
421 tk->p_extra = malloc( tk->i_extra );
422 bo_init( &bo, tk->p_extra, tk->i_extra );
423 bo_addle_u16( &bo, tk->i_tag );
424 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
425 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
426 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
427 bo_addle_u16( &bo, i_blockalign );
428 tk->i_blockalign = i_blockalign;
429 bo_addle_u16( &bo, i_bitspersample );
430 if( p_input->p_fmt->i_extra > 0 )
432 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
433 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
434 p_input->p_fmt->i_extra );
438 bo_addle_u16( &bo, i_extra );
439 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
441 msg_Dbg( p_mux, "adding mp3 header" );
442 bo_addle_u16( &bo, 1 ); /* wId */
443 bo_addle_u32( &bo, 2 ); /* fdwFlags */
444 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
445 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
446 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
448 else if( tk->i_tag == WAVE_FORMAT_MPEG )
450 msg_Dbg( p_mux, "adding mp2 header" );
451 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
452 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
453 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
454 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
455 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
456 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
457 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
458 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
462 if( p_input->p_fmt->i_bitrate > 24000 )
464 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
468 p_sys->i_bitrate += 512000;
474 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
475 p_input->p_fmt->i_extra;
476 tk->p_extra = malloc( tk->i_extra );
477 bo_init( &bo, tk->p_extra, tk->i_extra );
478 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
479 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
480 bo_add_u8 ( &bo, 0x02 ); /* flags */
481 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
482 p_input->p_fmt->i_extra );
483 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
484 p_input->p_fmt->i_extra );
485 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
486 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
487 bo_addle_u16( &bo, 1 );
488 bo_addle_u16( &bo, 24 );
489 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
491 tk->psz_name = "MPEG-4 Video";
492 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
494 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
496 tk->psz_name = "MSMPEG-4 V3 Video";
497 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
499 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
501 tk->psz_name = "MSMPEG-4 V2 Video";
502 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
504 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
506 tk->psz_name = "MSMPEG-4 V1 Video";
507 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
509 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
511 tk->psz_name = "Windows Media Video 1";
512 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
514 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
516 tk->psz_name = "Windows Media Video 2";
517 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
519 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
521 tk->psz_name = "Windows Media Video 3";
522 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
526 tk->psz_name = _("Unknown Video");
527 tk->i_fourcc = p_input->p_fmt->i_codec;
529 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
530 bo_addle_u32( &bo, 0 );
531 bo_addle_u32( &bo, 0 );
532 bo_addle_u32( &bo, 0 );
533 bo_addle_u32( &bo, 0 );
534 bo_addle_u32( &bo, 0 );
535 if( p_input->p_fmt->i_extra > 0 )
537 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
538 p_input->p_fmt->i_extra );
541 if( p_input->p_fmt->i_bitrate > 50000 )
543 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
547 p_sys->i_bitrate += 1000000;
552 msg_Err(p_mux, "unhandled track type" );
556 es_format_Copy( &tk->fmt, p_input->p_fmt );
562 /*****************************************************************************
564 *****************************************************************************/
565 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
567 msg_Dbg( p_mux, "removing input" );
571 /*****************************************************************************
573 *****************************************************************************/
574 static int Mux( sout_mux_t *p_mux )
576 sout_mux_sys_t *p_sys = p_mux->p_sys;
578 if( p_sys->b_write_header )
580 block_t *out = asf_header_create( p_mux, VLC_TRUE );
582 out->i_flags |= BLOCK_FLAG_HEADER;
583 sout_AccessOutWrite( p_mux->p_access, out );
585 p_sys->b_write_header = VLC_FALSE;
590 sout_input_t *p_input;
597 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
599 /* not enough data */
603 if( p_sys->i_dts_first < 0 )
605 p_sys->i_dts_first = i_dts;
607 if( p_sys->i_dts_last < i_dts )
609 p_sys->i_dts_last = i_dts;
612 p_input = p_mux->pp_inputs[i_stream];
613 tk = (asf_track_t*)p_input->p_sys;
615 data = block_FifoGet( p_input->p_fifo );
617 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
619 sout_AccessOutWrite( p_mux->p_access, pk );
626 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
632 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
634 sout_input_t *p_input = p_mux->pp_inputs[i];
637 if( p_input->p_fifo->i_depth <= 0 )
639 if( p_input->p_fmt->i_cat == AUDIO_ES ||
640 p_input->p_fmt->i_cat == VIDEO_ES )
642 /* We need that audio+video fifo contain at least 1 packet */
649 p_data = block_FifoShow( p_input->p_fifo );
650 if( i_stream == -1 || p_data->i_dts < i_dts )
653 i_dts = p_data->i_dts;
657 *pi_stream = i_stream;
663 /****************************************************************************
664 * Asf header construction
665 ****************************************************************************/
667 /****************************************************************************
669 ****************************************************************************/
670 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
672 p_bo->i_buffer_size = i_size;
674 p_bo->p_buffer = p_buffer;
676 static void bo_add_u8( bo_t *p_bo, uint8_t i )
678 if( p_bo->i_buffer < p_bo->i_buffer_size )
680 p_bo->p_buffer[p_bo->i_buffer] = i;
684 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
686 bo_add_u8( p_bo, i &0xff );
687 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
689 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
691 bo_addle_u16( p_bo, i &0xffff );
692 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
694 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
696 bo_addle_u32( p_bo, i &0xffffffff );
697 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
700 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
702 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
706 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
708 p_bo->i_buffer += i_size;
711 static void bo_addle_str16( bo_t *bo, char *str )
713 bo_addle_u16( bo, strlen( str ) + 1 );
716 uint16_t c = (uint8_t)*str++;
717 bo_addle_u16( bo, c );
718 if( c == '\0' ) break;
722 static void bo_addle_str16_nosize( bo_t *bo, char *str )
726 uint16_t c = (uint8_t)*str++;
727 bo_addle_u16( bo, c );
728 if( c == '\0' ) break;
732 /****************************************************************************
734 ****************************************************************************/
735 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
738 bo_addle_u32( p_bo, id->Data1 );
739 bo_addle_u16( p_bo, id->Data2 );
740 bo_addle_u16( p_bo, id->Data3 );
741 for( i = 0; i < 8; i++ )
743 bo_add_u8( p_bo, id->Data4[i] );
747 static const guid_t asf_object_header_guid =
748 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
749 static const guid_t asf_object_data_guid =
750 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
751 static const guid_t asf_object_file_properties_guid =
752 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
753 static const guid_t asf_object_stream_properties_guid =
754 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
755 static const guid_t asf_object_header_extention_guid =
756 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
757 static const guid_t asf_object_stream_type_audio =
758 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
759 static const guid_t asf_object_stream_type_video =
760 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
761 static const guid_t asf_guid_audio_conceal_none =
762 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
763 static const guid_t asf_guid_audio_conceal_spread =
764 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
765 static const guid_t asf_guid_video_conceal_none =
766 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
767 static const guid_t asf_guid_reserved_1 =
768 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
769 static const guid_t asf_object_codec_list_guid =
770 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
771 static const guid_t asf_object_codec_list_reserved_guid =
772 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
773 static const guid_t asf_object_content_description_guid =
774 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
775 static const guid_t asf_object_index_guid =
776 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
777 static const guid_t asf_object_metadata_guid =
778 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
780 /****************************************************************************
782 ****************************************************************************/
783 static void asf_chunk_add( bo_t *bo,
784 int i_type, int i_len, int i_flags, int i_seq )
786 bo_addle_u16( bo, i_type );
787 bo_addle_u16( bo, i_len + 8 );
788 bo_addle_u32( bo, i_seq );
789 bo_addle_u16( bo, i_flags );
790 bo_addle_u16( bo, i_len + 8 );
793 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
795 sout_mux_sys_t *p_sys = p_mux->p_sys;
797 mtime_t i_duration = 0;
798 int i_size, i_header_ext_size, i;
799 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
803 msg_Dbg( p_mux, "Asf muxer creating header" );
805 if( p_sys->i_dts_first > 0 )
807 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
808 if( i_duration < 0 ) i_duration = 0;
811 /* calculate header size */
814 for( i = 0; i < p_sys->i_track; i++ )
816 i_size += 78 + p_sys->track[i].i_extra;
817 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
818 if( p_sys->track[i].i_cat == AUDIO_ES ) i_ci_size += 4;
819 else if( p_sys->track[i].i_cat == VIDEO_ES ) i_ci_size += 6;
822 /* size of the content description object */
823 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
824 *p_sys->psz_comment || *p_sys->psz_rating )
826 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
827 strlen( p_sys->psz_author ) + 1 +
828 strlen( p_sys->psz_copyright ) + 1 +
829 strlen( p_sys->psz_comment ) + 1 +
830 strlen( p_sys->psz_rating ) + 1 );
833 /* size of the metadata object */
834 for( i = 0; i < p_sys->i_track; i++ )
836 /* Error correction data field */
837 if( p_sys->track[i].b_audio_correction ) i_size += 8;
839 if( p_sys->track[i].i_cat == VIDEO_ES )
841 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
846 i_header_ext_size = i_cm_size ? i_cm_size + 46 : 0;
847 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
849 if( p_sys->b_asf_http )
851 out = block_New( p_mux, i_size + 50 + 12 );
852 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
853 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
857 out = block_New( p_mux, i_size + 50 );
858 bo_init( &bo, out->p_buffer, i_size + 50 );
862 bo_add_guid ( &bo, &asf_object_header_guid );
863 bo_addle_u64( &bo, i_size );
864 bo_addle_u32( &bo, 2 + p_sys->i_track +
865 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
866 bo_add_u8 ( &bo, 1 );
867 bo_add_u8 ( &bo, 2 );
871 /* file properties */
872 bo_add_guid ( &bo, &asf_object_file_properties_guid );
873 bo_addle_u64( &bo, 104 );
874 bo_add_guid ( &bo, &p_sys->fid );
875 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
876 p_sys->i_packet_size ); /* file size */
877 bo_addle_u64( &bo, 0 ); /* creation date */
878 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
879 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
880 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
881 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
882 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
883 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
884 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
885 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
887 /* header extention */
888 if( i_header_ext_size )
890 bo_add_guid ( &bo, &asf_object_header_extention_guid );
891 bo_addle_u64( &bo, i_header_ext_size );
892 bo_add_guid ( &bo, &asf_guid_reserved_1 );
893 bo_addle_u16( &bo, 6 );
894 bo_addle_u32( &bo, i_header_ext_size - 46 );
897 /* metadata object (part of header extension) */
900 int64_t i_num, i_den;
901 int i_dst_num, i_dst_den;
903 for( i = 0; i < p_sys->i_track; i++ )
904 if( p_sys->track[i].i_cat == VIDEO_ES ) break;
906 i_num = p_sys->track[i].fmt.video.i_aspect *
907 (int64_t)p_sys->track[i].fmt.video.i_height;
908 i_den = VOUT_ASPECT_FACTOR * p_sys->track[i].fmt.video.i_width;
909 vlc_reduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
911 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
913 bo_add_guid ( &bo, &asf_object_metadata_guid );
914 bo_addle_u64( &bo, i_cm_size );
915 bo_addle_u16( &bo, 2 ); /* description records count */
916 /* 1st description record */
917 bo_addle_u16( &bo, 0 ); /* reserved */
918 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
919 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
920 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
921 bo_addle_u32( &bo, 4 ); /* data length */
922 bo_addle_str16_nosize( &bo, "AspectRatioX" );
923 bo_addle_u32( &bo, i_dst_num ); /* data */
924 /* 2nd description record */
925 bo_addle_u16( &bo, 0 ); /* reserved */
926 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
927 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
928 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
929 bo_addle_u32( &bo, 4 ); /* data length */
930 bo_addle_str16_nosize( &bo, "AspectRatioY" );
931 bo_addle_u32( &bo, i_dst_den ); /* data */
934 /* content description header */
937 bo_add_guid ( &bo, &asf_object_content_description_guid );
938 bo_addle_u64( &bo, i_cd_size );
939 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
940 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
941 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
942 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
943 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
945 bo_addle_str16_nosize( &bo, p_sys->psz_title );
946 bo_addle_str16_nosize( &bo, p_sys->psz_author );
947 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
948 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
949 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
952 /* stream properties */
953 for( i = 0; i < p_sys->i_track; i++ )
955 tk = &p_sys->track[i];
957 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
959 if( tk->b_audio_correction ) /* Error correction data field */
960 bo_addle_u64( &bo, 78 + tk->i_extra + 8 );
962 bo_addle_u64( &bo, 78 + tk->i_extra );
964 if( tk->i_cat == AUDIO_ES )
966 bo_add_guid( &bo, &asf_object_stream_type_audio );
967 if( tk->b_audio_correction )
968 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
970 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
972 else if( tk->i_cat == VIDEO_ES )
974 bo_add_guid( &bo, &asf_object_stream_type_video );
975 bo_add_guid( &bo, &asf_guid_video_conceal_none );
977 bo_addle_u64( &bo, 0 ); /* time offset */
978 bo_addle_u32( &bo, tk->i_extra );
979 /* correction data length */
980 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
981 bo_addle_u16( &bo, tk->i_id ); /* stream number */
982 bo_addle_u32( &bo, 0 );
983 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
985 /* Error correction data field */
986 if( tk->b_audio_correction )
988 bo_add_u8( &bo, 0x1 ); /* span */
989 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
990 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
991 bo_addle_u16( &bo, 1 ); /* silence length */
992 bo_add_u8( &bo, 0x0 ); /* data */
997 bo_add_guid ( &bo, &asf_object_codec_list_guid );
998 bo_addle_u64( &bo, i_ci_size );
999 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1000 bo_addle_u32( &bo, p_sys->i_track );
1001 for( i = 0; i < p_sys->i_track; i++ )
1003 tk = &p_sys->track[i];
1005 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1006 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1007 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1009 bo_addle_str16( &bo, tk->psz_name );
1010 bo_addle_u16( &bo, 0 );
1011 if( tk->i_cat == AUDIO_ES )
1013 bo_addle_u16( &bo, 2 );
1014 bo_addle_u16( &bo, tk->i_tag );
1016 else if( tk->i_cat == VIDEO_ES )
1018 bo_addle_u16( &bo, 4 );
1019 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1024 bo_add_guid ( &bo, &asf_object_data_guid );
1025 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1026 bo_add_guid ( &bo, &p_sys->fid );
1027 bo_addle_u64( &bo, p_sys->i_packet_count );
1028 bo_addle_u16( &bo, 0x101 );
1033 /****************************************************************************
1035 ****************************************************************************/
1036 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1038 sout_mux_sys_t *p_sys = p_mux->p_sys;
1039 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1043 if( !p_sys->pk ) return 0;
1045 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1046 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1048 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1050 if( p_sys->b_asf_http )
1051 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1053 bo_add_u8 ( &bo, 0x82 );
1054 bo_addle_u16( &bo, 0 );
1055 bo_add_u8( &bo, 0x11 );
1056 bo_add_u8( &bo, 0x5d );
1057 bo_addle_u16( &bo, i_pad );
1058 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1059 p_sys->i_preroll_time );
1060 bo_addle_u16( &bo, 0 /* data->i_length */ );
1061 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1066 p_sys->i_packet_count++;
1071 static block_t *asf_packet_create( sout_mux_t *p_mux,
1072 asf_track_t *tk, block_t *data )
1074 sout_mux_sys_t *p_sys = p_mux->p_sys;
1076 int i_data = data->i_buffer;
1078 uint8_t *p_data= data->p_buffer;
1079 block_t *first = NULL, **last = &first;
1080 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1082 while( i_pos < i_data )
1087 if( p_sys->pk == NULL )
1089 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1090 /* reserve 14 bytes for the packet header */
1091 p_sys->i_pk_used = 14 + i_preheader;
1092 p_sys->i_pk_frame = 0;
1093 p_sys->i_pk_dts = data->i_dts;
1096 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1097 p_sys->i_packet_size - p_sys->i_pk_used );
1099 /* add payload (header size = 17) */
1100 i_payload = __MIN( i_data - i_pos,
1101 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1102 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1103 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1104 0x80 | tk->i_id : tk->i_id );
1105 bo_add_u8 ( &bo, tk->i_sequence );
1106 bo_addle_u32( &bo, i_pos );
1107 bo_add_u8 ( &bo, 0x08 ); /* flags */
1108 bo_addle_u32( &bo, i_data );
1109 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1110 p_sys->i_preroll_time );
1111 bo_addle_u16( &bo, i_payload );
1112 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1114 p_sys->i_pk_used += 17 + i_payload;
1116 p_sys->i_pk_frame++;
1118 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1120 /* Not enough data for another payload, flush the packet */
1121 *last = asf_packet_flush( p_mux );
1122 last = &(*last)->p_next;
1127 block_Release( data );
1132 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1134 sout_mux_sys_t *p_sys = p_mux->p_sys;
1136 block_t *out = NULL;
1139 if( p_sys->b_asf_http )
1141 out = block_New( p_mux, 12 );
1142 bo_init( &bo, out->p_buffer, 12 );
1143 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1148 out = block_New( p_mux, 56 );
1149 bo_init( &bo, out->p_buffer, 56 );
1150 bo_add_guid ( &bo, &asf_object_index_guid );
1151 bo_addle_u64( &bo, 56 );
1152 bo_add_guid ( &bo, &p_sys->fid );
1153 bo_addle_u64( &bo, 10000000 );
1154 bo_addle_u32( &bo, 5 );
1155 bo_addle_u32( &bo, 0 );