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 *****************************************************************************/
31 #include <vlc/input.h>
37 #define MAX_ASF_TRACKS 128
38 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close ( vlc_object_t * );
46 #define SOUT_CFG_PREFIX "sout-asf-"
48 #define TITLE_TEXT N_("Title")
49 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
50 #define AUTHOR_TEXT N_("Author")
51 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
52 #define COPYRIGHT_TEXT N_("Copyright")
53 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
54 #define COMMENT_TEXT N_("Comment")
55 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
56 #define RATING_TEXT N_("Rating")
57 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
58 #define PACKETSIZE_TEXT N_("Packet Size")
59 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
62 set_description( _("ASF muxer") );
63 set_category( CAT_SOUT );
64 set_subcategory( SUBCAT_SOUT_MUX );
65 set_shortname( "ASF" );
67 set_capability( "sout mux", 5 );
68 add_shortcut( "asf" );
69 add_shortcut( "asfh" );
70 set_callbacks( Open, Close );
72 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
74 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
75 AUTHOR_LONGTEXT, VLC_TRUE );
76 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
77 COPYRIGHT_LONGTEXT, VLC_TRUE );
78 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
79 COMMENT_LONGTEXT, VLC_TRUE );
80 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
81 RATING_LONGTEXT, VLC_TRUE );
82 add_integer( "sout-asf-packet-size", 4096, NULL, PACKETSIZE_TEXT, PACKETSIZE_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 = config_GetInt( p_mux, "sout-asf-packet-size" );
210 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
211 p_sys->i_packet_count= 0;
213 /* Generate a random fid */
214 srand( mdate() & 0xffffffff );
215 p_sys->fid.Data1 = 0xbabac001;
216 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
217 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
218 for( i = 0; i < 8; i++ )
220 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
224 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
225 p_sys->psz_title = val.psz_string;
227 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
228 p_sys->psz_author = val.psz_string;
230 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
231 p_sys->psz_copyright = val.psz_string;
233 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
234 p_sys->psz_comment = val.psz_string;
236 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
237 p_sys->psz_rating = val.psz_string;
239 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
240 "comment='%s', rating='%s'",
241 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
242 p_sys->psz_comment, p_sys->psz_rating );
247 /*****************************************************************************
249 *****************************************************************************/
250 static void Close( vlc_object_t * p_this )
252 sout_mux_t *p_mux = (sout_mux_t*)p_this;
253 sout_mux_sys_t *p_sys = p_mux->p_sys;
257 msg_Dbg( p_mux, "Asf muxer closed" );
259 /* Flush last packet if any */
260 if( (out = asf_packet_flush( p_mux ) ) )
262 sout_AccessOutWrite( p_mux->p_access, out );
265 if( ( out = asf_stream_end_create( p_mux ) ) )
267 sout_AccessOutWrite( p_mux->p_access, out );
271 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
273 out = asf_header_create( p_mux, VLC_FALSE );
274 sout_AccessOutWrite( p_mux->p_access, out );
277 for( i = 0; i < p_sys->i_track; i++ )
279 free( p_sys->track[i].p_extra );
280 es_format_Clean( &p_sys->track[i].fmt );
285 /*****************************************************************************
287 *****************************************************************************/
288 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
290 sout_mux_sys_t *p_sys = p_mux->p_sys;
296 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
297 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
298 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
299 else *pb_bool = VLC_FALSE;
302 case MUX_GET_ADD_STREAM_WAIT:
303 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
308 ppsz = (char**)va_arg( args, char ** );
309 if( p_sys->b_asf_http )
310 *ppsz = strdup( "video/x-ms-asf-stream" );
312 *ppsz = strdup( "video/x-ms-asf" );
320 /*****************************************************************************
322 *****************************************************************************/
323 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
325 sout_mux_sys_t *p_sys = p_mux->p_sys;
329 msg_Dbg( p_mux, "adding input" );
330 if( p_sys->i_track >= MAX_ASF_TRACKS )
332 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
336 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
337 tk->i_id = p_sys->i_track + 1;
338 tk->i_cat = p_input->p_fmt->i_cat;
340 tk->b_audio_correction = 0;
346 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
347 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
350 switch( p_input->p_fmt->i_codec )
352 case VLC_FOURCC( 'a', '5', '2', ' ' ):
353 tk->i_tag = WAVE_FORMAT_A52;
354 tk->psz_name = "A/52";
357 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
359 tk->psz_name = "MPEG Audio Layer 3";
360 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
366 tk->psz_name = "MPEG Audio Layer 1/2";
367 tk->i_tag = WAVE_FORMAT_MPEG;
373 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
374 tk->psz_name = "Windows Media Audio v1";
375 tk->i_tag = WAVE_FORMAT_WMA1;
376 tk->b_audio_correction = VLC_TRUE;
378 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
379 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
380 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
381 tk->i_tag = WAVE_FORMAT_WMA2;
382 tk->b_audio_correction = VLC_TRUE;
384 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
385 tk->psz_name = "Windows Media Audio 9 Professional";
386 tk->i_tag = WAVE_FORMAT_WMAP;
387 tk->b_audio_correction = VLC_TRUE;
389 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
390 tk->psz_name = "Windows Media Audio 9 Lossless";
391 tk->i_tag = WAVE_FORMAT_WMAL;
392 tk->b_audio_correction = VLC_TRUE;
395 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
396 tk->psz_name = "Raw audio 8bits";
397 tk->i_tag = WAVE_FORMAT_PCM;
398 i_blockalign= p_input->p_fmt->audio.i_channels;
401 case VLC_FOURCC( 's', '1', '6', 'l' ):
402 tk->psz_name = "Raw audio 16bits";
403 tk->i_tag = WAVE_FORMAT_PCM;
404 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
405 i_bitspersample = 16;
407 case VLC_FOURCC( 's', '2', '4', 'l' ):
408 tk->psz_name = "Raw audio 24bits";
409 tk->i_tag = WAVE_FORMAT_PCM;
410 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
411 i_bitspersample = 24;
413 case VLC_FOURCC( 's', '3', '2', 'l' ):
414 tk->psz_name = "Raw audio 32bits";
415 tk->i_tag = WAVE_FORMAT_PCM;
416 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
417 i_bitspersample = 32;
423 tk->i_extra = sizeof( WAVEFORMATEX ) +
424 p_input->p_fmt->i_extra + i_extra;
425 tk->p_extra = malloc( tk->i_extra );
426 bo_init( &bo, tk->p_extra, tk->i_extra );
427 bo_addle_u16( &bo, tk->i_tag );
428 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
429 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
430 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
431 bo_addle_u16( &bo, i_blockalign );
432 tk->i_blockalign = i_blockalign;
433 bo_addle_u16( &bo, i_bitspersample );
434 if( p_input->p_fmt->i_extra > 0 )
436 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
437 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
438 p_input->p_fmt->i_extra );
442 bo_addle_u16( &bo, i_extra );
443 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
445 msg_Dbg( p_mux, "adding mp3 header" );
446 bo_addle_u16( &bo, 1 ); /* wId */
447 bo_addle_u32( &bo, 2 ); /* fdwFlags */
448 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
449 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
450 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
452 else if( tk->i_tag == WAVE_FORMAT_MPEG )
454 msg_Dbg( p_mux, "adding mp2 header" );
455 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
456 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
457 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
458 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
459 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
460 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
461 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
462 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
466 if( p_input->p_fmt->i_bitrate > 24000 )
468 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
472 p_sys->i_bitrate += 512000;
478 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
479 p_input->p_fmt->i_extra;
480 tk->p_extra = malloc( tk->i_extra );
481 bo_init( &bo, tk->p_extra, tk->i_extra );
482 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
483 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
484 bo_add_u8 ( &bo, 0x02 ); /* flags */
485 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
486 p_input->p_fmt->i_extra );
487 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
488 p_input->p_fmt->i_extra );
489 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
490 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
491 bo_addle_u16( &bo, 1 );
492 bo_addle_u16( &bo, 24 );
493 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
495 tk->psz_name = "MPEG-4 Video";
496 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
498 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
500 tk->psz_name = "MSMPEG-4 V3 Video";
501 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
503 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
505 tk->psz_name = "MSMPEG-4 V2 Video";
506 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
508 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
510 tk->psz_name = "MSMPEG-4 V1 Video";
511 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
513 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
515 tk->psz_name = "Windows Media Video 7";
516 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
518 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
520 tk->psz_name = "Windows Media Video 8";
521 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
523 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
525 tk->psz_name = "Windows Media Video 9";
526 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
528 else if( p_input->p_fmt->i_codec == VLC_FOURCC('h','2','6','4') )
530 tk->psz_name = "H.264/MPEG-4 AVC";
531 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
535 tk->psz_name = _("Unknown Video");
536 tk->i_fourcc = p_input->p_fmt->i_codec;
538 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
539 bo_addle_u32( &bo, 0 );
540 bo_addle_u32( &bo, 0 );
541 bo_addle_u32( &bo, 0 );
542 bo_addle_u32( &bo, 0 );
543 bo_addle_u32( &bo, 0 );
544 if( p_input->p_fmt->i_extra > 0 )
546 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
547 p_input->p_fmt->i_extra );
550 if( p_input->p_fmt->i_bitrate > 50000 )
552 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
556 p_sys->i_bitrate += 1000000;
561 msg_Err(p_mux, "unhandled track type" );
565 es_format_Copy( &tk->fmt, p_input->p_fmt );
571 /*****************************************************************************
573 *****************************************************************************/
574 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
576 msg_Dbg( p_mux, "removing input" );
580 /*****************************************************************************
582 *****************************************************************************/
583 static int Mux( sout_mux_t *p_mux )
585 sout_mux_sys_t *p_sys = p_mux->p_sys;
587 if( p_sys->b_write_header )
589 block_t *out = asf_header_create( p_mux, VLC_TRUE );
591 out->i_flags |= BLOCK_FLAG_HEADER;
592 sout_AccessOutWrite( p_mux->p_access, out );
594 p_sys->b_write_header = VLC_FALSE;
599 sout_input_t *p_input;
606 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
608 /* not enough data */
612 if( p_sys->i_dts_first < 0 )
614 p_sys->i_dts_first = i_dts;
616 if( p_sys->i_dts_last < i_dts )
618 p_sys->i_dts_last = i_dts;
621 p_input = p_mux->pp_inputs[i_stream];
622 tk = (asf_track_t*)p_input->p_sys;
624 data = block_FifoGet( p_input->p_fifo );
626 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
628 sout_AccessOutWrite( p_mux->p_access, pk );
635 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
641 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
643 sout_input_t *p_input = p_mux->pp_inputs[i];
646 if( p_input->p_fifo->i_depth <= 0 )
648 if( p_input->p_fmt->i_cat == AUDIO_ES ||
649 p_input->p_fmt->i_cat == VIDEO_ES )
651 /* We need that audio+video fifo contain at least 1 packet */
658 p_data = block_FifoShow( p_input->p_fifo );
659 if( i_stream == -1 || p_data->i_dts < i_dts )
662 i_dts = p_data->i_dts;
666 *pi_stream = i_stream;
672 /****************************************************************************
673 * Asf header construction
674 ****************************************************************************/
676 /****************************************************************************
678 ****************************************************************************/
679 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
681 p_bo->i_buffer_size = i_size;
683 p_bo->p_buffer = p_buffer;
685 static void bo_add_u8( bo_t *p_bo, uint8_t i )
687 if( p_bo->i_buffer < p_bo->i_buffer_size )
689 p_bo->p_buffer[p_bo->i_buffer] = i;
693 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
695 bo_add_u8( p_bo, i &0xff );
696 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
698 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
700 bo_addle_u16( p_bo, i &0xffff );
701 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
703 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
705 bo_addle_u32( p_bo, i &0xffffffff );
706 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
709 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
711 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
715 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
717 p_bo->i_buffer += i_size;
720 static void bo_addle_str16( bo_t *bo, char *str )
722 bo_addle_u16( bo, strlen( str ) + 1 );
725 uint16_t c = (uint8_t)*str++;
726 bo_addle_u16( bo, c );
727 if( c == '\0' ) break;
731 static void bo_addle_str16_nosize( bo_t *bo, char *str )
735 uint16_t c = (uint8_t)*str++;
736 bo_addle_u16( bo, c );
737 if( c == '\0' ) break;
741 /****************************************************************************
743 ****************************************************************************/
744 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
747 bo_addle_u32( p_bo, id->Data1 );
748 bo_addle_u16( p_bo, id->Data2 );
749 bo_addle_u16( p_bo, id->Data3 );
750 for( i = 0; i < 8; i++ )
752 bo_add_u8( p_bo, id->Data4[i] );
756 static const guid_t asf_object_header_guid =
757 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
758 static const guid_t asf_object_data_guid =
759 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
760 static const guid_t asf_object_file_properties_guid =
761 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
762 static const guid_t asf_object_stream_properties_guid =
763 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
764 static const guid_t asf_object_header_extention_guid =
765 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
766 static const guid_t asf_object_stream_type_audio =
767 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
768 static const guid_t asf_object_stream_type_video =
769 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
770 static const guid_t asf_guid_audio_conceal_none =
771 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
772 static const guid_t asf_guid_audio_conceal_spread =
773 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
774 static const guid_t asf_guid_video_conceal_none =
775 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
776 static const guid_t asf_guid_reserved_1 =
777 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
778 static const guid_t asf_object_codec_list_guid =
779 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
780 static const guid_t asf_object_codec_list_reserved_guid =
781 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
782 static const guid_t asf_object_content_description_guid =
783 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
784 static const guid_t asf_object_index_guid =
785 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
786 static const guid_t asf_object_metadata_guid =
787 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
789 /****************************************************************************
791 ****************************************************************************/
792 static void asf_chunk_add( bo_t *bo,
793 int i_type, int i_len, int i_flags, int i_seq )
795 bo_addle_u16( bo, i_type );
796 bo_addle_u16( bo, i_len + 8 );
797 bo_addle_u32( bo, i_seq );
798 bo_addle_u16( bo, i_flags );
799 bo_addle_u16( bo, i_len + 8 );
802 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
804 sout_mux_sys_t *p_sys = p_mux->p_sys;
806 mtime_t i_duration = 0;
807 int i_size, i_header_ext_size, i;
808 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
812 msg_Dbg( p_mux, "Asf muxer creating header" );
814 if( p_sys->i_dts_first > 0 )
816 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
817 if( i_duration < 0 ) i_duration = 0;
820 /* calculate header size */
823 for( i = 0; i < p_sys->i_track; i++ )
825 i_size += 78 + p_sys->track[i].i_extra;
826 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
827 if( p_sys->track[i].i_cat == AUDIO_ES ) i_ci_size += 4;
828 else if( p_sys->track[i].i_cat == VIDEO_ES ) i_ci_size += 6;
830 /* Error correction data field */
831 if( p_sys->track[i].b_audio_correction ) i_size += 8;
834 /* size of the content description object */
835 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
836 *p_sys->psz_comment || *p_sys->psz_rating )
838 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
839 strlen( p_sys->psz_author ) + 1 +
840 strlen( p_sys->psz_copyright ) + 1 +
841 strlen( p_sys->psz_comment ) + 1 +
842 strlen( p_sys->psz_rating ) + 1 );
845 /* size of the metadata object */
846 for( i = 0; i < p_sys->i_track; i++ )
848 if( p_sys->track[i].i_cat == VIDEO_ES )
850 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
855 i_header_ext_size = i_cm_size ? i_cm_size + 46 : 0;
856 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
858 if( p_sys->b_asf_http )
860 out = block_New( p_mux, i_size + 50 + 12 );
861 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
862 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
866 out = block_New( p_mux, i_size + 50 );
867 bo_init( &bo, out->p_buffer, i_size + 50 );
871 bo_add_guid ( &bo, &asf_object_header_guid );
872 bo_addle_u64( &bo, i_size );
873 bo_addle_u32( &bo, 2 + p_sys->i_track +
874 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
875 bo_add_u8 ( &bo, 1 );
876 bo_add_u8 ( &bo, 2 );
880 /* file properties */
881 bo_add_guid ( &bo, &asf_object_file_properties_guid );
882 bo_addle_u64( &bo, 104 );
883 bo_add_guid ( &bo, &p_sys->fid );
884 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
885 p_sys->i_packet_size ); /* file size */
886 bo_addle_u64( &bo, 0 ); /* creation date */
887 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
888 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
889 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
890 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
891 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
892 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
893 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
894 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
896 /* header extention */
897 if( i_header_ext_size )
899 bo_add_guid ( &bo, &asf_object_header_extention_guid );
900 bo_addle_u64( &bo, i_header_ext_size );
901 bo_add_guid ( &bo, &asf_guid_reserved_1 );
902 bo_addle_u16( &bo, 6 );
903 bo_addle_u32( &bo, i_header_ext_size - 46 );
906 /* metadata object (part of header extension) */
909 int64_t i_num, i_den;
910 unsigned int i_dst_num, i_dst_den;
912 for( i = 0; i < p_sys->i_track; i++ )
913 if( p_sys->track[i].i_cat == VIDEO_ES ) break;
915 i_num = p_sys->track[i].fmt.video.i_aspect *
916 (int64_t)p_sys->track[i].fmt.video.i_height;
917 i_den = VOUT_ASPECT_FACTOR * p_sys->track[i].fmt.video.i_width;
918 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
920 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
922 bo_add_guid ( &bo, &asf_object_metadata_guid );
923 bo_addle_u64( &bo, i_cm_size );
924 bo_addle_u16( &bo, 2 ); /* description records count */
925 /* 1st description record */
926 bo_addle_u16( &bo, 0 ); /* reserved */
927 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
928 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
929 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
930 bo_addle_u32( &bo, 4 ); /* data length */
931 bo_addle_str16_nosize( &bo, "AspectRatioX" );
932 bo_addle_u32( &bo, i_dst_num ); /* data */
933 /* 2nd description record */
934 bo_addle_u16( &bo, 0 ); /* reserved */
935 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
936 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
937 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
938 bo_addle_u32( &bo, 4 ); /* data length */
939 bo_addle_str16_nosize( &bo, "AspectRatioY" );
940 bo_addle_u32( &bo, i_dst_den ); /* data */
943 /* content description header */
946 bo_add_guid ( &bo, &asf_object_content_description_guid );
947 bo_addle_u64( &bo, i_cd_size );
948 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
949 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
950 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
951 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
952 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
954 bo_addle_str16_nosize( &bo, p_sys->psz_title );
955 bo_addle_str16_nosize( &bo, p_sys->psz_author );
956 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
957 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
958 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
961 /* stream properties */
962 for( i = 0; i < p_sys->i_track; i++ )
964 tk = &p_sys->track[i];
966 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
967 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
969 if( tk->i_cat == AUDIO_ES )
971 bo_add_guid( &bo, &asf_object_stream_type_audio );
972 if( tk->b_audio_correction )
973 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
975 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
977 else if( tk->i_cat == VIDEO_ES )
979 bo_add_guid( &bo, &asf_object_stream_type_video );
980 bo_add_guid( &bo, &asf_guid_video_conceal_none );
982 bo_addle_u64( &bo, 0 ); /* time offset */
983 bo_addle_u32( &bo, tk->i_extra );
984 /* correction data length */
985 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
986 bo_addle_u16( &bo, tk->i_id ); /* stream number */
987 bo_addle_u32( &bo, 0 );
988 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
990 /* Error correction data field */
991 if( tk->b_audio_correction )
993 bo_add_u8( &bo, 0x1 ); /* span */
994 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
995 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
996 bo_addle_u16( &bo, 1 ); /* silence length */
997 bo_add_u8( &bo, 0x0 ); /* data */
1002 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1003 bo_addle_u64( &bo, i_ci_size );
1004 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1005 bo_addle_u32( &bo, p_sys->i_track );
1006 for( i = 0; i < p_sys->i_track; i++ )
1008 tk = &p_sys->track[i];
1010 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1011 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1012 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1014 bo_addle_str16( &bo, tk->psz_name );
1015 bo_addle_u16( &bo, 0 );
1016 if( tk->i_cat == AUDIO_ES )
1018 bo_addle_u16( &bo, 2 );
1019 bo_addle_u16( &bo, tk->i_tag );
1021 else if( tk->i_cat == VIDEO_ES )
1023 bo_addle_u16( &bo, 4 );
1024 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1029 bo_add_guid ( &bo, &asf_object_data_guid );
1030 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1031 bo_add_guid ( &bo, &p_sys->fid );
1032 bo_addle_u64( &bo, p_sys->i_packet_count );
1033 bo_addle_u16( &bo, 0x101 );
1038 /****************************************************************************
1040 ****************************************************************************/
1041 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1043 sout_mux_sys_t *p_sys = p_mux->p_sys;
1044 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1048 if( !p_sys->pk ) return 0;
1050 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1051 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1053 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1055 if( p_sys->b_asf_http )
1056 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1058 bo_add_u8 ( &bo, 0x82 );
1059 bo_addle_u16( &bo, 0 );
1060 bo_add_u8( &bo, 0x11 );
1061 bo_add_u8( &bo, 0x5d );
1062 bo_addle_u16( &bo, i_pad );
1063 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1064 p_sys->i_preroll_time );
1065 bo_addle_u16( &bo, 0 /* data->i_length */ );
1066 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1071 p_sys->i_packet_count++;
1076 static block_t *asf_packet_create( sout_mux_t *p_mux,
1077 asf_track_t *tk, block_t *data )
1079 sout_mux_sys_t *p_sys = p_mux->p_sys;
1081 int i_data = data->i_buffer;
1083 uint8_t *p_data= data->p_buffer;
1084 block_t *first = NULL, **last = &first;
1085 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1087 while( i_pos < i_data )
1092 if( p_sys->pk == NULL )
1094 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1095 /* reserve 14 bytes for the packet header */
1096 p_sys->i_pk_used = 14 + i_preheader;
1097 p_sys->i_pk_frame = 0;
1098 p_sys->i_pk_dts = data->i_dts;
1101 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1102 p_sys->i_packet_size - p_sys->i_pk_used );
1104 /* add payload (header size = 17) */
1105 i_payload = __MIN( i_data - i_pos,
1106 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1108 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1110 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1111 *last = asf_packet_flush( p_mux );
1112 last = &(*last)->p_next;
1116 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1117 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1118 0x80 | tk->i_id : tk->i_id );
1119 bo_add_u8 ( &bo, tk->i_sequence );
1120 bo_addle_u32( &bo, i_pos );
1121 bo_add_u8 ( &bo, 0x08 ); /* flags */
1122 bo_addle_u32( &bo, i_data );
1123 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1124 p_sys->i_preroll_time );
1125 bo_addle_u16( &bo, i_payload );
1126 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1128 p_sys->i_pk_used += 17 + i_payload;
1130 p_sys->i_pk_frame++;
1132 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1134 /* Not enough data for another payload, flush the packet */
1135 *last = asf_packet_flush( p_mux );
1136 last = &(*last)->p_next;
1141 block_Release( data );
1146 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1148 sout_mux_sys_t *p_sys = p_mux->p_sys;
1150 block_t *out = NULL;
1153 if( p_sys->b_asf_http )
1155 out = block_New( p_mux, 12 );
1156 bo_init( &bo, out->p_buffer, 12 );
1157 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1162 out = block_New( p_mux, 56 );
1163 bo_init( &bo, out->p_buffer, 56 );
1164 bo_add_guid ( &bo, &asf_object_index_guid );
1165 bo_addle_u64( &bo, 56 );
1166 bo_add_guid ( &bo, &p_sys->fid );
1167 bo_addle_u64( &bo, 10000000 );
1168 bo_addle_u32( &bo, 5 );
1169 bo_addle_u32( &bo, 0 );