1 /*****************************************************************************
2 * asf.c: asf muxer module for vlc
3 *****************************************************************************
4 * Copyright (C) 2003-2004, 2006 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
38 #include <vlc_block.h>
39 #include <vlc_codecs.h>
40 #include <vlc_arrays.h>
44 #define MAX_ASF_TRACKS 128
45 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
47 /*****************************************************************************
49 *****************************************************************************/
50 static int Open ( vlc_object_t * );
51 static void Close ( vlc_object_t * );
53 #define SOUT_CFG_PREFIX "sout-asf-"
55 #define TITLE_TEXT N_("Title")
56 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
57 #define AUTHOR_TEXT N_("Author")
58 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
59 #define COPYRIGHT_TEXT N_("Copyright")
60 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
61 #define COMMENT_TEXT N_("Comment")
62 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
63 #define RATING_TEXT N_("Rating")
64 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
65 #define PACKETSIZE_TEXT N_("Packet Size")
66 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
67 #define BITRATE_TEXT N_("Bitrate override")
68 #define BITRATE_LONGTEXT N_("Do not try to guess ASF bitrate. Setting this, allows you to control how Windows Media Player will cache streamed content. Set to audio+video bitrate in bytes")
72 set_description( N_("ASF muxer") )
73 set_category( CAT_SOUT )
74 set_subcategory( SUBCAT_SOUT_MUX )
75 set_shortname( "ASF" )
77 set_capability( "sout mux", 5 )
79 add_shortcut( "asfh" )
80 set_callbacks( Open, Close )
82 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
84 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
85 AUTHOR_LONGTEXT, true )
86 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
87 COPYRIGHT_LONGTEXT, true )
88 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
89 COMMENT_LONGTEXT, true )
90 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
91 RATING_LONGTEXT, true )
92 add_integer( SOUT_CFG_PREFIX "packet-size", 4096, NULL, PACKETSIZE_TEXT,
93 PACKETSIZE_LONGTEXT, true )
94 add_integer( SOUT_CFG_PREFIX "bitrate-override", 0, NULL, BITRATE_TEXT,
95 BITRATE_LONGTEXT, true )
99 /*****************************************************************************
101 *****************************************************************************/
102 static const char *const ppsz_sout_options[] = {
103 "title", "author", "copyright", "comment", "rating", NULL
106 static int Control ( sout_mux_t *, int, va_list );
107 static int AddStream( sout_mux_t *, sout_input_t * );
108 static int DelStream( sout_mux_t *, sout_input_t * );
109 static int Mux ( sout_mux_t * );
116 /* codec information */
117 uint16_t i_tag; /* for audio */
118 vlc_fourcc_t i_fourcc; /* for video */
119 const char *psz_name; /* codec name */
120 int i_blockalign; /* for audio only */
121 bool b_audio_correction;
133 struct sout_mux_sys_t
135 guid_t fid; /* file id */
137 int64_t i_packet_count;
140 mtime_t i_preroll_time;
142 int64_t i_bitrate_override;
144 vlc_array_t *p_tracks;
164 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
166 static block_t *asf_header_create( sout_mux_t *, bool );
167 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
168 static block_t *asf_stream_end_create( sout_mux_t *);
169 static block_t *asf_packet_flush( sout_mux_t * );
179 static void bo_init ( bo_t *, uint8_t *, int );
180 static void bo_add_u8 ( bo_t *, uint8_t );
181 static void bo_addle_u16( bo_t *, uint16_t );
182 static void bo_addle_u32( bo_t *, uint32_t );
183 static void bo_addle_u64( bo_t *, uint64_t );
184 static void bo_add_mem ( bo_t *, uint8_t *, int );
186 static void bo_addle_str16( bo_t *, const char * );
188 /*****************************************************************************
190 *****************************************************************************/
191 static int Open( vlc_object_t *p_this )
193 sout_mux_t *p_mux = (sout_mux_t*)p_this;
194 sout_mux_sys_t *p_sys;
198 msg_Dbg( p_mux, "asf muxer opened" );
199 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
201 p_mux->pf_control = Control;
202 p_mux->pf_addstream = AddStream;
203 p_mux->pf_delstream = DelStream;
206 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
209 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
210 if( p_sys->b_asf_http )
212 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
215 p_sys->i_pk_used = 0;
216 p_sys->i_pk_frame = 0;
217 p_sys->i_dts_first = -1;
218 p_sys->i_dts_last = 0;
219 p_sys->i_preroll_time = 2000;
220 p_sys->i_bitrate = 0;
221 p_sys->i_bitrate_override = 0;
223 p_sys->p_tracks = vlc_array_new();
225 p_sys->b_write_header = true;
226 p_sys->i_packet_size = config_GetInt( p_mux, "sout-asf-packet-size" );
227 p_sys->i_bitrate_override = config_GetInt( p_mux, "sout-asf-bitrate-override" );
228 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
229 if (p_sys->i_bitrate_override)
230 msg_Dbg( p_mux, "Bitrate override %"PRId64, p_sys->i_bitrate_override);
231 p_sys->i_packet_count= 0;
233 /* Generate a random fid */
234 srand( mdate() & 0xffffffff );
235 p_sys->fid.Data1 = 0xbabac001;
236 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
237 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
238 for( i = 0; i < 8; i++ )
240 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
244 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
245 p_sys->psz_title = val.psz_string;
247 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
248 p_sys->psz_author = val.psz_string;
250 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
251 p_sys->psz_copyright = val.psz_string;
253 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
254 p_sys->psz_comment = val.psz_string;
256 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
257 p_sys->psz_rating = val.psz_string;
259 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
260 "comment='%s', rating='%s'",
261 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
262 p_sys->psz_comment, p_sys->psz_rating );
267 /*****************************************************************************
269 *****************************************************************************/
270 static void Close( vlc_object_t * p_this )
272 sout_mux_t *p_mux = (sout_mux_t*)p_this;
273 sout_mux_sys_t *p_sys = p_mux->p_sys;
277 msg_Dbg( p_mux, "Asf muxer closed" );
279 /* Flush last packet if any */
280 if( (out = asf_packet_flush( p_mux ) ) )
282 sout_AccessOutWrite( p_mux->p_access, out );
285 if( ( out = asf_stream_end_create( p_mux ) ) )
287 sout_AccessOutWrite( p_mux->p_access, out );
291 if( sout_AccessOutSeek( p_mux->p_access, 0 ) == VLC_SUCCESS )
293 out = asf_header_create( p_mux, false );
294 sout_AccessOutWrite( p_mux->p_access, out );
298 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
300 asf_track_t *track = (asf_track_t *)vlc_array_item_at_index( p_sys->p_tracks, i );
301 free( track->p_extra );
302 es_format_Clean( &track->fmt );
305 vlc_array_clear( p_sys->p_tracks );
307 vlc_array_destroy( p_sys->p_tracks );
309 free( p_sys->psz_title );
310 free( p_sys->psz_author );
311 free( p_sys->psz_copyright );
312 free( p_sys->psz_comment );
313 free( p_sys->psz_rating );
317 /*****************************************************************************
319 *****************************************************************************/
320 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
322 sout_mux_sys_t *p_sys = p_mux->p_sys;
328 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
329 pb_bool = (bool*)va_arg( args, bool * );
330 if( p_sys->b_asf_http ) *pb_bool = true;
331 else *pb_bool = false;
334 case MUX_GET_ADD_STREAM_WAIT:
335 pb_bool = (bool*)va_arg( args, bool * );
340 ppsz = (char**)va_arg( args, char ** );
341 if( p_sys->b_asf_http )
342 *ppsz = strdup( "video/x-ms-asf-stream" );
344 *ppsz = strdup( "video/x-ms-asf" );
352 /*****************************************************************************
354 *****************************************************************************/
355 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
357 sout_mux_sys_t *p_sys = p_mux->p_sys;
361 msg_Dbg( p_mux, "adding input" );
362 if( vlc_array_count( p_sys->p_tracks ) >= MAX_ASF_TRACKS )
364 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
368 tk = p_input->p_sys = malloc( sizeof( asf_track_t ) );
369 memset( tk, 0, sizeof( *tk ) );
370 tk->i_cat = p_input->p_fmt->i_cat;
372 tk->b_audio_correction = 0;
373 tk->b_extended = false;
379 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
380 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
383 switch( p_input->p_fmt->i_codec )
386 tk->i_tag = WAVE_FORMAT_A52;
387 tk->psz_name = "A/52";
391 tk->i_tag = WAVE_FORMAT_AAC;
392 tk->psz_name = "MPEG-4 Audio";
397 tk->psz_name = "MPEG Audio Layer 3";
398 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
404 tk->psz_name = "MPEG Audio Layer 1/2";
405 tk->i_tag = WAVE_FORMAT_MPEG;
412 tk->psz_name = "Windows Media Audio v1";
413 tk->i_tag = WAVE_FORMAT_WMA1;
414 tk->b_audio_correction = true;
417 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
418 tk->i_tag = WAVE_FORMAT_WMA2;
419 tk->b_audio_correction = true;
422 tk->psz_name = "Windows Media Audio 9 Professional";
423 tk->i_tag = WAVE_FORMAT_WMAP;
424 tk->b_audio_correction = true;
427 tk->psz_name = "Windows Media Audio 9 Lossless";
428 tk->i_tag = WAVE_FORMAT_WMAL;
429 tk->b_audio_correction = true;
433 tk->psz_name = "Raw audio 8bits";
434 tk->i_tag = WAVE_FORMAT_PCM;
435 i_blockalign= p_input->p_fmt->audio.i_channels;
439 tk->psz_name = "Raw audio 16bits";
440 tk->i_tag = WAVE_FORMAT_PCM;
441 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
442 i_bitspersample = 16;
445 tk->psz_name = "Raw audio 24bits";
446 tk->i_tag = WAVE_FORMAT_PCM;
447 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
448 i_bitspersample = 24;
451 tk->psz_name = "Raw audio 32bits";
452 tk->i_tag = WAVE_FORMAT_PCM;
453 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
454 i_bitspersample = 32;
460 tk->i_extra = sizeof( WAVEFORMATEX ) +
461 p_input->p_fmt->i_extra + i_extra;
462 tk->p_extra = malloc( tk->i_extra );
465 bo_init( &bo, tk->p_extra, tk->i_extra );
466 bo_addle_u16( &bo, tk->i_tag );
467 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
468 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
469 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
470 bo_addle_u16( &bo, i_blockalign );
471 tk->i_blockalign = i_blockalign;
472 bo_addle_u16( &bo, i_bitspersample );
473 if( p_input->p_fmt->i_extra > 0 )
475 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
476 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
477 p_input->p_fmt->i_extra );
481 bo_addle_u16( &bo, i_extra );
482 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
484 msg_Dbg( p_mux, "adding mp3 header" );
485 bo_addle_u16( &bo, 1 ); /* wId */
486 bo_addle_u32( &bo, 2 ); /* fdwFlags */
487 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
488 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
489 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
491 else if( tk->i_tag == WAVE_FORMAT_MPEG )
493 msg_Dbg( p_mux, "adding mp2 header" );
494 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
495 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
496 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
497 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
498 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
499 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
500 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
501 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
505 if( p_input->p_fmt->i_bitrate > 24000 )
507 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
511 p_sys->i_bitrate += 128000;
513 if (p_sys->i_bitrate_override)
514 p_sys->i_bitrate = p_sys->i_bitrate_override;
519 const es_format_t *p_fmt = p_input->p_fmt;
520 uint8_t *p_codec_extra = NULL;
521 int i_codec_extra = 0;
523 if( p_input->p_fmt->i_codec == VLC_CODEC_MP4V )
525 tk->psz_name = "MPEG-4 Video";
526 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
528 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV3 )
530 tk->psz_name = "MSMPEG-4 V3 Video";
531 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
533 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV2 )
535 tk->psz_name = "MSMPEG-4 V2 Video";
536 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
538 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV2 )
540 tk->psz_name = "MSMPEG-4 V1 Video";
541 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
543 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV1 )
545 tk->psz_name = "Windows Media Video 7";
546 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
548 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV2 )
550 tk->psz_name = "Windows Media Video 8";
551 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
553 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV3 )
555 tk->psz_name = "Windows Media Video 9";
556 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
558 else if( p_input->p_fmt->i_codec == VLC_CODEC_VC1 )
560 tk->psz_name = "Windows Media Video 9 Advanced Profile";
561 tk->i_fourcc = VLC_FOURCC( 'W', 'V', 'C', '1' );
562 tk->b_extended = true;
564 if( p_fmt->i_extra > 0 )
566 p_codec_extra = malloc( 1 + p_fmt->i_extra );
569 i_codec_extra = 1 + p_fmt->i_extra;
570 p_codec_extra[0] = 0x01;
571 memcpy( &p_codec_extra[1], p_fmt->p_extra, p_fmt->i_extra );
575 else if( p_input->p_fmt->i_codec == VLC_CODEC_H264 )
577 tk->psz_name = "H.264/MPEG-4 AVC";
578 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
582 tk->psz_name = _("Unknown Video");
583 tk->i_fourcc = p_input->p_fmt->i_original_fourcc ?: p_input->p_fmt->i_codec;
585 if( !i_codec_extra && p_fmt->i_extra > 0 )
587 p_codec_extra = malloc( p_fmt->i_extra );
590 i_codec_extra = p_fmt->i_extra;
591 memcpy( p_codec_extra, p_fmt->p_extra, p_fmt->i_extra );
595 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) + i_codec_extra;
596 tk->p_extra = malloc( tk->i_extra );
599 free( p_codec_extra );
602 bo_init( &bo, tk->p_extra, tk->i_extra );
603 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
604 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
605 bo_add_u8 ( &bo, 0x02 ); /* flags */
606 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) + i_codec_extra );
607 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) + i_codec_extra );
608 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
609 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
610 bo_addle_u16( &bo, 1 );
611 bo_addle_u16( &bo, 24 );
612 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
613 bo_addle_u32( &bo, 0 );
614 bo_addle_u32( &bo, 0 );
615 bo_addle_u32( &bo, 0 );
616 bo_addle_u32( &bo, 0 );
617 bo_addle_u32( &bo, 0 );
618 if( i_codec_extra > 0 )
620 bo_add_mem( &bo, p_codec_extra, i_codec_extra );
621 free( p_codec_extra );
624 if( p_input->p_fmt->i_bitrate > 50000 )
626 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
630 p_sys->i_bitrate += 512000;
632 if( p_sys->i_bitrate_override )
633 p_sys->i_bitrate = p_sys->i_bitrate_override;
637 msg_Err(p_mux, "unhandled track type" );
641 es_format_Copy( &tk->fmt, p_input->p_fmt );
643 vlc_array_append( p_sys->p_tracks, (void *)tk);
644 tk->i_id = vlc_array_index_of_item( p_sys->p_tracks, tk ) + 1;
647 p_sys->b_write_header = true;
652 /*****************************************************************************
654 *****************************************************************************/
655 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
657 /* if bitrate ain't defined in commanline, reduce it when tracks are deleted
659 sout_mux_sys_t *p_sys = p_mux->p_sys;
660 asf_track_t *tk = p_input->p_sys;
661 msg_Dbg( p_mux, "removing input" );
662 if(!p_sys->i_bitrate_override)
664 if( tk->i_cat == AUDIO_ES )
666 if( p_input->p_fmt->i_bitrate > 24000 )
667 p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
669 p_sys->i_bitrate -= 128000;
671 else if(tk->i_cat == VIDEO_ES )
673 if( p_input->p_fmt->i_bitrate > 50000 )
674 p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
676 p_sys->i_bitrate -= 512000;
680 vlc_array_remove( p_sys->p_tracks, vlc_array_index_of_item( p_sys->p_tracks, (void *)tk ) );
683 p_sys->b_write_header = true;
687 /*****************************************************************************
689 *****************************************************************************/
690 static int Mux( sout_mux_t *p_mux )
692 sout_mux_sys_t *p_sys = p_mux->p_sys;
694 if( p_sys->b_write_header )
696 block_t *out = asf_header_create( p_mux, true );
698 out->i_flags |= BLOCK_FLAG_HEADER;
699 sout_AccessOutWrite( p_mux->p_access, out );
701 p_sys->b_write_header = false;
706 sout_input_t *p_input;
713 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
715 /* not enough data */
719 if( p_sys->i_dts_first < 0 )
721 p_sys->i_dts_first = i_dts;
723 if( p_sys->i_dts_last < i_dts )
725 p_sys->i_dts_last = i_dts;
728 p_input = p_mux->pp_inputs[i_stream];
729 tk = (asf_track_t*)p_input->p_sys;
731 data = block_FifoGet( p_input->p_fifo );
733 /* Convert VC1 to ASF special format */
734 if( tk->i_fourcc == VLC_FOURCC( 'W', 'V', 'C', '1' ) )
736 while( data->i_buffer >= 4 &&
737 ( data->p_buffer[0] != 0x00 || data->p_buffer[1] != 0x00 ||
738 data->p_buffer[2] != 0x01 ||
739 ( data->p_buffer[3] != 0x0D && data->p_buffer[3] != 0x0C ) ) )
744 if( data->i_buffer >= 4 )
751 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
753 sout_AccessOutWrite( p_mux->p_access, pk );
760 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
766 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
768 sout_input_t *p_input = p_mux->pp_inputs[i];
771 if( block_FifoCount( p_input->p_fifo ) <= 0 )
773 if( p_input->p_fmt->i_cat == AUDIO_ES ||
774 p_input->p_fmt->i_cat == VIDEO_ES )
776 /* We need that audio+video fifo contain at least 1 packet */
783 p_data = block_FifoShow( p_input->p_fifo );
784 if( i_stream == -1 || p_data->i_dts < i_dts )
787 i_dts = p_data->i_dts;
791 *pi_stream = i_stream;
797 /****************************************************************************
798 * Asf header construction
799 ****************************************************************************/
801 /****************************************************************************
803 ****************************************************************************/
804 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
806 p_bo->i_buffer_size = i_size;
808 p_bo->p_buffer = p_buffer;
810 static void bo_add_u8( bo_t *p_bo, uint8_t i )
812 if( p_bo->i_buffer < p_bo->i_buffer_size )
814 p_bo->p_buffer[p_bo->i_buffer] = i;
818 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
820 bo_add_u8( p_bo, i &0xff );
821 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
823 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
825 bo_addle_u16( p_bo, i &0xffff );
826 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
828 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
830 bo_addle_u32( p_bo, i &0xffffffff );
831 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
834 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
836 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
840 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
842 p_bo->i_buffer += i_size;
845 static void bo_addle_str16( bo_t *bo, const char *str )
847 bo_addle_u16( bo, strlen( str ) + 1 );
850 uint16_t c = (uint8_t)*str++;
851 bo_addle_u16( bo, c );
852 if( c == '\0' ) break;
856 static void bo_addle_str16_nosize( bo_t *bo, const char *str )
860 uint16_t c = (uint8_t)*str++;
861 bo_addle_u16( bo, c );
862 if( c == '\0' ) break;
866 /****************************************************************************
868 ****************************************************************************/
869 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
872 bo_addle_u32( p_bo, id->Data1 );
873 bo_addle_u16( p_bo, id->Data2 );
874 bo_addle_u16( p_bo, id->Data3 );
875 for( i = 0; i < 8; i++ )
877 bo_add_u8( p_bo, id->Data4[i] );
881 static const guid_t asf_object_header_guid =
882 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
883 static const guid_t asf_object_data_guid =
884 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
885 static const guid_t asf_object_file_properties_guid =
886 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
887 static const guid_t asf_object_stream_properties_guid =
888 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
889 static const guid_t asf_object_header_extension_guid =
890 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
891 static const guid_t asf_object_stream_type_audio =
892 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
893 static const guid_t asf_object_stream_type_video =
894 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
895 static const guid_t asf_guid_audio_conceal_none =
896 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
897 static const guid_t asf_guid_audio_conceal_spread =
898 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
899 static const guid_t asf_guid_video_conceal_none =
900 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
901 static const guid_t asf_guid_reserved_1 =
902 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
903 static const guid_t asf_object_codec_list_guid =
904 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
905 static const guid_t asf_object_codec_list_reserved_guid =
906 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
907 static const guid_t asf_object_content_description_guid =
908 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
909 static const guid_t asf_object_index_guid =
910 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
911 static const guid_t asf_object_metadata_guid =
912 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
913 static const guid_t asf_object_extended_stream_properties_guid =
914 {0x14E6A5CB, 0xC672, 0x4332, {0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A}};
916 /****************************************************************************
918 ****************************************************************************/
919 static void asf_chunk_add( bo_t *bo,
920 int i_type, int i_len, int i_flags, int i_seq )
922 bo_addle_u16( bo, i_type );
923 bo_addle_u16( bo, i_len + 8 );
924 bo_addle_u32( bo, i_seq );
925 bo_addle_u16( bo, i_flags );
926 bo_addle_u16( bo, i_len + 8 );
929 static block_t *asf_header_create( sout_mux_t *p_mux, bool b_broadcast )
931 sout_mux_sys_t *p_sys = p_mux->p_sys;
933 mtime_t i_duration = 0;
934 int i_size, i_header_ext_size, i;
935 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
940 msg_Dbg( p_mux, "Asf muxer creating header" );
942 if( p_sys->i_dts_first > 0 )
944 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
945 if( i_duration < 0 ) i_duration = 0;
948 /* calculate header size */
951 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
953 tk = vlc_array_item_at_index( p_sys->p_tracks, i );
954 /* update also track-id */
957 i_size += 78 + tk->i_extra;
958 i_ci_size += 8 + 2 * strlen( tk->psz_name );
959 if( tk->i_cat == AUDIO_ES ) i_ci_size += 4;
960 else if( tk->i_cat == VIDEO_ES ) i_ci_size += 6;
962 /* Error correction data field */
963 if( tk->b_audio_correction ) i_size += 8;
966 /* size of the content description object */
967 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
968 *p_sys->psz_comment || *p_sys->psz_rating )
970 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
971 strlen( p_sys->psz_author ) + 1 +
972 strlen( p_sys->psz_copyright ) + 1 +
973 strlen( p_sys->psz_comment ) + 1 +
974 strlen( p_sys->psz_rating ) + 1 );
977 i_header_ext_size = 46;
979 /* size of the metadata object */
980 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
982 const asf_track_t *p_track = vlc_array_item_at_index( p_sys->p_tracks, i );
983 if( p_track->i_cat == VIDEO_ES && p_track->fmt.video.i_aspect != 0 )
985 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
988 if( p_track->b_extended )
989 i_header_ext_size += 88;
993 i_header_ext_size += i_cm_size;
995 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
997 if( p_sys->b_asf_http )
999 out = block_New( p_mux, i_size + 50 + 12 );
1000 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
1001 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
1005 out = block_New( p_mux, i_size + 50 );
1006 bo_init( &bo, out->p_buffer, i_size + 50 );
1010 bo_add_guid ( &bo, &asf_object_header_guid );
1011 bo_addle_u64( &bo, i_size );
1012 bo_addle_u32( &bo, 2 + vlc_array_count( p_sys->p_tracks ) + 1 +
1013 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
1014 bo_add_u8 ( &bo, 1 );
1015 bo_add_u8 ( &bo, 2 );
1019 /* file properties */
1020 bo_add_guid ( &bo, &asf_object_file_properties_guid );
1021 bo_addle_u64( &bo, 104 );
1022 bo_add_guid ( &bo, &p_sys->fid );
1023 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
1024 p_sys->i_packet_size ); /* file size */
1025 bo_addle_u64( &bo, 0 ); /* creation date */
1026 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
1027 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
1028 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
1029 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
1030 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
1031 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
1032 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
1033 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
1035 /* header extension */
1036 bo_add_guid ( &bo, &asf_object_header_extension_guid );
1037 bo_addle_u64( &bo, i_header_ext_size );
1038 bo_add_guid ( &bo, &asf_guid_reserved_1 );
1039 bo_addle_u16( &bo, 6 );
1040 bo_addle_u32( &bo, i_header_ext_size - 46 );
1042 /* extended stream properties */
1043 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1045 const asf_track_t *p_track = vlc_array_item_at_index( p_sys->p_tracks, i );
1046 const es_format_t *p_fmt = &p_track->fmt;
1048 if( !p_track->b_extended )
1051 uint64_t i_avg_duration = 0;
1052 if( p_fmt->i_cat == VIDEO_ES &&
1053 p_fmt->video.i_frame_rate > 0 && p_fmt->video.i_frame_rate_base > 0 )
1054 i_avg_duration = ( INT64_C(10000000) * p_fmt->video.i_frame_rate_base +
1055 p_fmt->video.i_frame_rate/2 ) / p_fmt->video.i_frame_rate;
1057 bo_add_guid ( &bo, &asf_object_extended_stream_properties_guid );
1058 bo_addle_u64( &bo, 88 );
1059 bo_addle_u64( &bo, 0 );
1060 bo_addle_u64( &bo, 0 );
1061 bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Bitrate */
1062 bo_addle_u32( &bo, 0 ); /* Buffer size */
1063 bo_addle_u32( &bo, 0 ); /* Initial buffer fullness */
1064 bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Alternate Bitrate */
1065 bo_addle_u32( &bo, 0 ); /* Alternate Buffer size */
1066 bo_addle_u32( &bo, 0 ); /* Alternate Initial buffer fullness */
1067 bo_addle_u32( &bo, 0 ); /* Maximum object size (0 = unkown) */
1068 bo_addle_u32( &bo, 0x02 ); /* Flags (seekable) */
1069 bo_addle_u16( &bo, p_track->i_id ); /* Stream number */
1070 bo_addle_u16( &bo, 0 ); /* Stream language index */
1071 bo_addle_u64( &bo, i_avg_duration ); /* Average time per frame */
1072 bo_addle_u16( &bo, 0 ); /* Stream name count */
1073 bo_addle_u16( &bo, 0 ); /* Payload extension system count */
1076 /* metadata object (part of header extension) */
1079 int64_t i_num, i_den;
1080 unsigned int i_dst_num, i_dst_den;
1084 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1086 tk = vlc_array_item_at_index( p_sys->p_tracks, i );
1087 if( tk->i_cat == VIDEO_ES ) break;
1089 assert( tk != NULL );
1091 i_num = tk->fmt.video.i_aspect *
1092 (int64_t)tk->fmt.video.i_height;
1093 i_den = VOUT_ASPECT_FACTOR * tk->fmt.video.i_width;
1094 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
1096 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
1098 bo_add_guid ( &bo, &asf_object_metadata_guid );
1099 bo_addle_u64( &bo, i_cm_size );
1100 bo_addle_u16( &bo, 2 ); /* description records count */
1101 /* 1st description record */
1102 bo_addle_u16( &bo, 0 ); /* reserved */
1103 bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
1104 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
1105 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
1106 bo_addle_u32( &bo, 4 ); /* data length */
1107 bo_addle_str16_nosize( &bo, "AspectRatioX" );
1108 bo_addle_u32( &bo, i_dst_num ); /* data */
1109 /* 2nd description record */
1110 bo_addle_u16( &bo, 0 ); /* reserved */
1111 bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
1112 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
1113 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
1114 bo_addle_u32( &bo, 4 ); /* data length */
1115 bo_addle_str16_nosize( &bo, "AspectRatioY" );
1116 bo_addle_u32( &bo, i_dst_den ); /* data */
1119 /* content description header */
1122 bo_add_guid ( &bo, &asf_object_content_description_guid );
1123 bo_addle_u64( &bo, i_cd_size );
1124 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
1125 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
1126 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
1127 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
1128 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
1130 bo_addle_str16_nosize( &bo, p_sys->psz_title );
1131 bo_addle_str16_nosize( &bo, p_sys->psz_author );
1132 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
1133 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
1134 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
1137 /* stream properties */
1138 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1140 tk = vlc_array_item_at_index( p_sys->p_tracks, i);
1142 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
1143 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
1145 if( tk->i_cat == AUDIO_ES )
1147 bo_add_guid( &bo, &asf_object_stream_type_audio );
1148 if( tk->b_audio_correction )
1149 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
1151 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
1153 else if( tk->i_cat == VIDEO_ES )
1155 bo_add_guid( &bo, &asf_object_stream_type_video );
1156 bo_add_guid( &bo, &asf_guid_video_conceal_none );
1158 bo_addle_u64( &bo, 0 ); /* time offset */
1159 bo_addle_u32( &bo, tk->i_extra );
1160 /* correction data length */
1161 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
1162 bo_addle_u16( &bo, tk->i_id ); /* stream number */
1163 bo_addle_u32( &bo, 0 );
1164 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
1166 /* Error correction data field */
1167 if( tk->b_audio_correction )
1169 bo_add_u8( &bo, 0x1 ); /* span */
1170 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
1171 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
1172 bo_addle_u16( &bo, 1 ); /* silence length */
1173 bo_add_u8( &bo, 0x0 ); /* data */
1178 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1179 bo_addle_u64( &bo, i_ci_size );
1180 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1181 bo_addle_u32( &bo, vlc_array_count( p_sys->p_tracks ) );
1182 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1184 tk = vlc_array_item_at_index( p_sys->p_tracks ,i);
1186 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1187 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1188 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1190 bo_addle_str16( &bo, tk->psz_name );
1191 bo_addle_u16( &bo, 0 );
1192 if( tk->i_cat == AUDIO_ES )
1194 bo_addle_u16( &bo, 2 );
1195 bo_addle_u16( &bo, tk->i_tag );
1197 else if( tk->i_cat == VIDEO_ES )
1199 bo_addle_u16( &bo, 4 );
1200 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1205 bo_add_guid ( &bo, &asf_object_data_guid );
1206 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1207 bo_add_guid ( &bo, &p_sys->fid );
1208 bo_addle_u64( &bo, p_sys->i_packet_count );
1209 bo_addle_u16( &bo, 0x101 );
1214 /****************************************************************************
1216 ****************************************************************************/
1217 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1219 sout_mux_sys_t *p_sys = p_mux->p_sys;
1220 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1224 if( !p_sys->pk ) return 0;
1226 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1227 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1229 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1231 if( p_sys->b_asf_http )
1232 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1234 bo_add_u8 ( &bo, 0x82 );
1235 bo_addle_u16( &bo, 0 );
1236 bo_add_u8( &bo, 0x11 );
1237 bo_add_u8( &bo, 0x5d );
1238 bo_addle_u16( &bo, i_pad );
1239 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1240 p_sys->i_preroll_time );
1241 bo_addle_u16( &bo, 0 /* data->i_length */ );
1242 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1247 p_sys->i_packet_count++;
1252 static block_t *asf_packet_create( sout_mux_t *p_mux,
1253 asf_track_t *tk, block_t *data )
1255 sout_mux_sys_t *p_sys = p_mux->p_sys;
1257 int i_data = data->i_buffer;
1259 uint8_t *p_data= data->p_buffer;
1260 block_t *first = NULL, **last = &first;
1261 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1263 while( i_pos < i_data )
1268 if( p_sys->pk == NULL )
1270 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1271 /* reserve 14 bytes for the packet header */
1272 p_sys->i_pk_used = 14 + i_preheader;
1273 p_sys->i_pk_frame = 0;
1274 p_sys->i_pk_dts = data->i_dts;
1277 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1278 p_sys->i_packet_size - p_sys->i_pk_used );
1280 /* add payload (header size = 17) */
1281 i_payload = __MIN( i_data - i_pos,
1282 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1284 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1286 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1287 *last = asf_packet_flush( p_mux );
1288 last = &(*last)->p_next;
1292 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1293 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1294 0x80 | tk->i_id : tk->i_id );
1295 bo_add_u8 ( &bo, tk->i_sequence );
1296 bo_addle_u32( &bo, i_pos );
1297 bo_add_u8 ( &bo, 0x08 ); /* flags */
1298 bo_addle_u32( &bo, i_data );
1299 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1300 p_sys->i_preroll_time );
1301 bo_addle_u16( &bo, i_payload );
1302 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1304 p_sys->i_pk_used += 17 + i_payload;
1306 p_sys->i_pk_frame++;
1308 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1310 /* Not enough data for another payload, flush the packet */
1311 *last = asf_packet_flush( p_mux );
1312 last = &(*last)->p_next;
1317 block_Release( data );
1322 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1324 sout_mux_sys_t *p_sys = p_mux->p_sys;
1326 block_t *out = NULL;
1329 if( p_sys->b_asf_http )
1331 out = block_New( p_mux, 12 );
1332 bo_init( &bo, out->p_buffer, 12 );
1333 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1338 out = block_New( p_mux, 56 );
1339 bo_init( &bo, out->p_buffer, 56 );
1340 bo_add_guid ( &bo, &asf_object_index_guid );
1341 bo_addle_u64( &bo, 56 );
1342 bo_add_guid ( &bo, &p_sys->fid );
1343 bo_addle_u64( &bo, 10000000 );
1344 bo_addle_u32( &bo, 5 );
1345 bo_addle_u32( &bo, 0 );