1 static int i_global = 0, i_passed = 0, i_written = 0;
2 /*****************************************************************************
3 * asf.c: asf muxer module for vlc
4 *****************************************************************************
5 * Copyright (C) 2003-2004, 2006 the VideoLAN team
8 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * Gildas Bazin <gbazin@videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
32 #include <vlc/input.h>
38 #define MAX_ASF_TRACKS 128
39 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Open ( vlc_object_t * );
45 static void Close ( vlc_object_t * );
47 #define SOUT_CFG_PREFIX "sout-asf-"
49 #define TITLE_TEXT N_("Title")
50 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
51 #define AUTHOR_TEXT N_("Author")
52 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
53 #define COPYRIGHT_TEXT N_("Copyright")
54 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
55 #define COMMENT_TEXT N_("Comment")
56 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
57 #define RATING_TEXT N_("Rating")
58 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
59 #define PACKETSIZE_TEXT N_("Packet Size")
60 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
63 set_description( _("ASF muxer") );
64 set_category( CAT_SOUT );
65 set_subcategory( SUBCAT_SOUT_MUX );
66 set_shortname( "ASF" );
68 set_capability( "sout mux", 5 );
69 add_shortcut( "asf" );
70 add_shortcut( "asfh" );
71 set_callbacks( Open, Close );
73 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
75 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
76 AUTHOR_LONGTEXT, VLC_TRUE );
77 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
78 COPYRIGHT_LONGTEXT, VLC_TRUE );
79 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
80 COMMENT_LONGTEXT, VLC_TRUE );
81 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
82 RATING_LONGTEXT, VLC_TRUE );
83 add_integer( "sout-asf-packet-size", 4096, NULL, PACKETSIZE_TEXT, PACKETSIZE_LONGTEXT, VLC_TRUE );
87 /*****************************************************************************
89 *****************************************************************************/
90 static const char *ppsz_sout_options[] = {
91 "title", "author", "copyright", "comment", "rating", NULL
94 static int Control ( sout_mux_t *, int, va_list );
95 static int AddStream( sout_mux_t *, sout_input_t * );
96 static int DelStream( sout_mux_t *, sout_input_t * );
97 static int Mux ( sout_mux_t * );
104 /* codec information */
105 uint16_t i_tag; /* for audio */
106 vlc_fourcc_t i_fourcc; /* for video */
107 char *psz_name; /* codec name */
108 int i_blockalign; /* for audio only */
109 vlc_bool_t b_audio_correction;
120 struct sout_mux_sys_t
122 guid_t fid; /* file id */
124 int64_t i_packet_count;
127 mtime_t i_preroll_time;
131 asf_track_t track[MAX_ASF_TRACKS];
133 vlc_bool_t b_write_header;
140 vlc_bool_t b_asf_http;
151 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
153 static block_t *asf_header_create( sout_mux_t *, vlc_bool_t );
154 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
155 static block_t *asf_stream_end_create( sout_mux_t *);
156 static block_t *asf_packet_flush( sout_mux_t * );
166 static void bo_init ( bo_t *, uint8_t *, int );
167 static void bo_add_u8 ( bo_t *, uint8_t );
168 static void bo_addle_u16( bo_t *, uint16_t );
169 static void bo_addle_u32( bo_t *, uint32_t );
170 static void bo_addle_u64( bo_t *, uint64_t );
171 static void bo_add_mem ( bo_t *, uint8_t *, int );
173 static void bo_addle_str16( bo_t *, char * );
175 /*****************************************************************************
177 *****************************************************************************/
178 static int Open( vlc_object_t *p_this )
180 sout_mux_t *p_mux = (sout_mux_t*)p_this;
181 sout_mux_sys_t *p_sys;
185 msg_Dbg( p_mux, "asf muxer opened" );
186 sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
188 p_mux->pf_control = Control;
189 p_mux->pf_addstream = AddStream;
190 p_mux->pf_delstream = DelStream;
193 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
194 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
195 if( p_sys->b_asf_http )
197 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
200 p_sys->i_pk_used = 0;
201 p_sys->i_pk_frame = 0;
202 p_sys->i_dts_first = -1;
203 p_sys->i_dts_last = 0;
204 p_sys->i_preroll_time = 2000;
205 p_sys->i_bitrate = 0;
208 p_sys->b_write_header = VLC_TRUE;
210 p_sys->i_packet_size = config_GetInt( p_mux, "sout-asf-packet-size" );
211 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
212 p_sys->i_packet_count= 0;
214 /* Generate a random fid */
215 srand( mdate() & 0xffffffff );
216 p_sys->fid.Data1 = 0xbabac001;
217 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
218 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
219 for( i = 0; i < 8; i++ )
221 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
225 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
226 p_sys->psz_title = val.psz_string;
228 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
229 p_sys->psz_author = val.psz_string;
231 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
232 p_sys->psz_copyright = val.psz_string;
234 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
235 p_sys->psz_comment = val.psz_string;
237 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
238 p_sys->psz_rating = val.psz_string;
240 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
241 "comment='%s', rating='%s'",
242 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
243 p_sys->psz_comment, p_sys->psz_rating );
248 /*****************************************************************************
250 *****************************************************************************/
251 static void Close( vlc_object_t * p_this )
253 sout_mux_t *p_mux = (sout_mux_t*)p_this;
254 sout_mux_sys_t *p_sys = p_mux->p_sys;
258 msg_Dbg( p_mux, "Asf muxer closed" );
260 /* Flush last packet if any */
261 if( (out = asf_packet_flush( p_mux ) ) )
263 sout_AccessOutWrite( p_mux->p_access, out );
266 if( ( out = asf_stream_end_create( p_mux ) ) )
268 sout_AccessOutWrite( p_mux->p_access, out );
272 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
274 out = asf_header_create( p_mux, VLC_FALSE );
275 sout_AccessOutWrite( p_mux->p_access, out );
278 for( i = 0; i < p_sys->i_track; i++ )
280 free( p_sys->track[i].p_extra );
281 es_format_Clean( &p_sys->track[i].fmt );
286 /*****************************************************************************
288 *****************************************************************************/
289 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
291 sout_mux_sys_t *p_sys = p_mux->p_sys;
297 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
298 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
299 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
300 else *pb_bool = VLC_FALSE;
303 case MUX_GET_ADD_STREAM_WAIT:
304 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
309 ppsz = (char**)va_arg( args, char ** );
310 if( p_sys->b_asf_http )
311 *ppsz = strdup( "video/x-ms-asf-stream" );
313 *ppsz = strdup( "video/x-ms-asf" );
321 /*****************************************************************************
323 *****************************************************************************/
324 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
326 sout_mux_sys_t *p_sys = p_mux->p_sys;
330 msg_Dbg( p_mux, "adding input" );
331 if( p_sys->i_track >= MAX_ASF_TRACKS )
333 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
337 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
338 tk->i_id = p_sys->i_track + 1;
339 tk->i_cat = p_input->p_fmt->i_cat;
341 tk->b_audio_correction = 0;
347 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
348 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
351 switch( p_input->p_fmt->i_codec )
353 case VLC_FOURCC( 'a', '5', '2', ' ' ):
354 tk->i_tag = WAVE_FORMAT_A52;
355 tk->psz_name = "A/52";
358 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
360 tk->psz_name = "MPEG Audio Layer 3";
361 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
367 tk->psz_name = "MPEG Audio Layer 1/2";
368 tk->i_tag = WAVE_FORMAT_MPEG;
374 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
375 tk->psz_name = "Windows Media Audio v1";
376 tk->i_tag = WAVE_FORMAT_WMA1;
377 tk->b_audio_correction = VLC_TRUE;
379 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
380 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
381 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
382 tk->i_tag = WAVE_FORMAT_WMA2;
383 tk->b_audio_correction = VLC_TRUE;
385 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
386 tk->psz_name = "Windows Media Audio 9 Professional";
387 tk->i_tag = WAVE_FORMAT_WMAP;
388 tk->b_audio_correction = VLC_TRUE;
390 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
391 tk->psz_name = "Windows Media Audio 9 Lossless";
392 tk->i_tag = WAVE_FORMAT_WMAL;
393 tk->b_audio_correction = VLC_TRUE;
396 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
397 tk->psz_name = "Raw audio 8bits";
398 tk->i_tag = WAVE_FORMAT_PCM;
399 i_blockalign= p_input->p_fmt->audio.i_channels;
402 case VLC_FOURCC( 's', '1', '6', 'l' ):
403 tk->psz_name = "Raw audio 16bits";
404 tk->i_tag = WAVE_FORMAT_PCM;
405 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
406 i_bitspersample = 16;
408 case VLC_FOURCC( 's', '2', '4', 'l' ):
409 tk->psz_name = "Raw audio 24bits";
410 tk->i_tag = WAVE_FORMAT_PCM;
411 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
412 i_bitspersample = 24;
414 case VLC_FOURCC( 's', '3', '2', 'l' ):
415 tk->psz_name = "Raw audio 32bits";
416 tk->i_tag = WAVE_FORMAT_PCM;
417 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
418 i_bitspersample = 32;
424 tk->i_extra = sizeof( WAVEFORMATEX ) +
425 p_input->p_fmt->i_extra + i_extra;
426 tk->p_extra = malloc( tk->i_extra );
427 bo_init( &bo, tk->p_extra, tk->i_extra );
428 bo_addle_u16( &bo, tk->i_tag );
429 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
430 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
431 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
432 bo_addle_u16( &bo, i_blockalign );
433 tk->i_blockalign = i_blockalign;
434 bo_addle_u16( &bo, i_bitspersample );
435 if( p_input->p_fmt->i_extra > 0 )
437 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
438 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
439 p_input->p_fmt->i_extra );
443 bo_addle_u16( &bo, i_extra );
444 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
446 msg_Dbg( p_mux, "adding mp3 header" );
447 bo_addle_u16( &bo, 1 ); /* wId */
448 bo_addle_u32( &bo, 2 ); /* fdwFlags */
449 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
450 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
451 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
453 else if( tk->i_tag == WAVE_FORMAT_MPEG )
455 msg_Dbg( p_mux, "adding mp2 header" );
456 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
457 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
458 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
459 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
460 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
461 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
462 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
463 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
467 if( p_input->p_fmt->i_bitrate > 24000 )
469 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
473 p_sys->i_bitrate += 512000;
479 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
480 p_input->p_fmt->i_extra;
481 tk->p_extra = malloc( tk->i_extra );
482 bo_init( &bo, tk->p_extra, tk->i_extra );
483 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
484 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
485 bo_add_u8 ( &bo, 0x02 ); /* flags */
486 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
487 p_input->p_fmt->i_extra );
488 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
489 p_input->p_fmt->i_extra );
490 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
491 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
492 bo_addle_u16( &bo, 1 );
493 bo_addle_u16( &bo, 24 );
494 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
496 tk->psz_name = "MPEG-4 Video";
497 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
499 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
501 tk->psz_name = "MSMPEG-4 V3 Video";
502 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
504 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
506 tk->psz_name = "MSMPEG-4 V2 Video";
507 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
509 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
511 tk->psz_name = "MSMPEG-4 V1 Video";
512 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
514 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
516 tk->psz_name = "Windows Media Video 7";
517 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
519 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
521 tk->psz_name = "Windows Media Video 8";
522 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
524 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
526 tk->psz_name = "Windows Media Video 9";
527 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
529 else if( p_input->p_fmt->i_codec == VLC_FOURCC('h','2','6','4') )
531 tk->psz_name = "H.264/MPEG-4 AVC";
532 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
536 tk->psz_name = _("Unknown Video");
537 tk->i_fourcc = p_input->p_fmt->i_codec;
539 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
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 bo_addle_u32( &bo, 0 );
545 if( p_input->p_fmt->i_extra > 0 )
547 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
548 p_input->p_fmt->i_extra );
551 if( p_input->p_fmt->i_bitrate > 50000 )
553 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
557 p_sys->i_bitrate += 1000000;
562 msg_Err(p_mux, "unhandled track type" );
566 es_format_Copy( &tk->fmt, p_input->p_fmt );
572 /*****************************************************************************
574 *****************************************************************************/
575 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
577 msg_Dbg( p_mux, "removing input" );
581 /*****************************************************************************
583 *****************************************************************************/
584 static int Mux( sout_mux_t *p_mux )
586 sout_mux_sys_t *p_sys = p_mux->p_sys;
588 fprintf( stderr, "Called %i\n", i_global );
590 if( p_sys->b_write_header )
592 block_t *out = asf_header_create( p_mux, VLC_TRUE );
594 out->i_flags |= BLOCK_FLAG_HEADER;
595 sout_AccessOutWrite( p_mux->p_access, out );
597 p_sys->b_write_header = VLC_FALSE;
602 sout_input_t *p_input;
609 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
611 /* not enough data */
615 fprintf( stderr, "Passed %i\n", i_passed );
617 if( p_sys->i_dts_first < 0 )
619 p_sys->i_dts_first = i_dts;
621 if( p_sys->i_dts_last < i_dts )
623 p_sys->i_dts_last = i_dts;
626 p_input = p_mux->pp_inputs[i_stream];
627 tk = (asf_track_t*)p_input->p_sys;
629 data = block_FifoGet( p_input->p_fifo );
631 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
634 fprintf( stderr, "Written %i\n", i_written );
635 sout_AccessOutWrite( p_mux->p_access, pk );
642 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
648 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
650 sout_input_t *p_input = p_mux->pp_inputs[i];
653 if( p_input->p_fifo->i_depth <= 0 )
655 if( p_input->p_fmt->i_cat == AUDIO_ES ||
656 p_input->p_fmt->i_cat == VIDEO_ES )
658 /* We need that audio+video fifo contain at least 1 packet */
665 p_data = block_FifoShow( p_input->p_fifo );
666 if( i_stream == -1 || p_data->i_dts < i_dts )
669 i_dts = p_data->i_dts;
673 *pi_stream = i_stream;
679 /****************************************************************************
680 * Asf header construction
681 ****************************************************************************/
683 /****************************************************************************
685 ****************************************************************************/
686 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
688 p_bo->i_buffer_size = i_size;
690 p_bo->p_buffer = p_buffer;
692 static void bo_add_u8( bo_t *p_bo, uint8_t i )
694 if( p_bo->i_buffer < p_bo->i_buffer_size )
696 p_bo->p_buffer[p_bo->i_buffer] = i;
700 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
702 bo_add_u8( p_bo, i &0xff );
703 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
705 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
707 bo_addle_u16( p_bo, i &0xffff );
708 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
710 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
712 bo_addle_u32( p_bo, i &0xffffffff );
713 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
716 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
718 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
722 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
724 p_bo->i_buffer += i_size;
727 static void bo_addle_str16( bo_t *bo, char *str )
729 bo_addle_u16( bo, strlen( str ) + 1 );
732 uint16_t c = (uint8_t)*str++;
733 bo_addle_u16( bo, c );
734 if( c == '\0' ) break;
738 static void bo_addle_str16_nosize( bo_t *bo, char *str )
742 uint16_t c = (uint8_t)*str++;
743 bo_addle_u16( bo, c );
744 if( c == '\0' ) break;
748 /****************************************************************************
750 ****************************************************************************/
751 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
754 bo_addle_u32( p_bo, id->Data1 );
755 bo_addle_u16( p_bo, id->Data2 );
756 bo_addle_u16( p_bo, id->Data3 );
757 for( i = 0; i < 8; i++ )
759 bo_add_u8( p_bo, id->Data4[i] );
763 static const guid_t asf_object_header_guid =
764 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
765 static const guid_t asf_object_data_guid =
766 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
767 static const guid_t asf_object_file_properties_guid =
768 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
769 static const guid_t asf_object_stream_properties_guid =
770 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
771 static const guid_t asf_object_header_extension_guid =
772 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
773 static const guid_t asf_object_stream_type_audio =
774 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
775 static const guid_t asf_object_stream_type_video =
776 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
777 static const guid_t asf_guid_audio_conceal_none =
778 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
779 static const guid_t asf_guid_audio_conceal_spread =
780 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
781 static const guid_t asf_guid_video_conceal_none =
782 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
783 static const guid_t asf_guid_reserved_1 =
784 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
785 static const guid_t asf_object_codec_list_guid =
786 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
787 static const guid_t asf_object_codec_list_reserved_guid =
788 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
789 static const guid_t asf_object_content_description_guid =
790 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
791 static const guid_t asf_object_index_guid =
792 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
793 static const guid_t asf_object_metadata_guid =
794 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
796 /****************************************************************************
798 ****************************************************************************/
799 static void asf_chunk_add( bo_t *bo,
800 int i_type, int i_len, int i_flags, int i_seq )
802 bo_addle_u16( bo, i_type );
803 bo_addle_u16( bo, i_len + 8 );
804 bo_addle_u32( bo, i_seq );
805 bo_addle_u16( bo, i_flags );
806 bo_addle_u16( bo, i_len + 8 );
809 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
811 sout_mux_sys_t *p_sys = p_mux->p_sys;
813 mtime_t i_duration = 0;
814 int i_size, i_header_ext_size, i;
815 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
819 msg_Dbg( p_mux, "Asf muxer creating header" );
821 if( p_sys->i_dts_first > 0 )
823 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
824 if( i_duration < 0 ) i_duration = 0;
827 /* calculate header size */
830 for( i = 0; i < p_sys->i_track; i++ )
832 i_size += 78 + p_sys->track[i].i_extra;
833 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
834 if( p_sys->track[i].i_cat == AUDIO_ES ) i_ci_size += 4;
835 else if( p_sys->track[i].i_cat == VIDEO_ES ) i_ci_size += 6;
837 /* Error correction data field */
838 if( p_sys->track[i].b_audio_correction ) i_size += 8;
841 /* size of the content description object */
842 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
843 *p_sys->psz_comment || *p_sys->psz_rating )
845 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
846 strlen( p_sys->psz_author ) + 1 +
847 strlen( p_sys->psz_copyright ) + 1 +
848 strlen( p_sys->psz_comment ) + 1 +
849 strlen( p_sys->psz_rating ) + 1 );
852 /* size of the metadata object */
853 for( i = 0; i < p_sys->i_track; i++ )
855 if( p_sys->track[i].i_cat == VIDEO_ES )
857 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
862 i_header_ext_size = i_cm_size ? i_cm_size + 46 : 0;
863 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
865 if( p_sys->b_asf_http )
867 out = block_New( p_mux, i_size + 50 + 12 );
868 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
869 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
873 out = block_New( p_mux, i_size + 50 );
874 bo_init( &bo, out->p_buffer, i_size + 50 );
878 bo_add_guid ( &bo, &asf_object_header_guid );
879 bo_addle_u64( &bo, i_size );
880 bo_addle_u32( &bo, 2 + p_sys->i_track +
881 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
882 bo_add_u8 ( &bo, 1 );
883 bo_add_u8 ( &bo, 2 );
887 /* file properties */
888 bo_add_guid ( &bo, &asf_object_file_properties_guid );
889 bo_addle_u64( &bo, 104 );
890 bo_add_guid ( &bo, &p_sys->fid );
891 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
892 p_sys->i_packet_size ); /* file size */
893 bo_addle_u64( &bo, 0 ); /* creation date */
894 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
895 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
896 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
897 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
898 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
899 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
900 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
901 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
903 /* header extension */
904 if( i_header_ext_size )
906 bo_add_guid ( &bo, &asf_object_header_extension_guid );
907 bo_addle_u64( &bo, i_header_ext_size );
908 bo_add_guid ( &bo, &asf_guid_reserved_1 );
909 bo_addle_u16( &bo, 6 );
910 bo_addle_u32( &bo, i_header_ext_size - 46 );
913 /* metadata object (part of header extension) */
916 int64_t i_num, i_den;
917 unsigned int i_dst_num, i_dst_den;
919 for( i = 0; i < p_sys->i_track; i++ )
920 if( p_sys->track[i].i_cat == VIDEO_ES ) break;
922 i_num = p_sys->track[i].fmt.video.i_aspect *
923 (int64_t)p_sys->track[i].fmt.video.i_height;
924 i_den = VOUT_ASPECT_FACTOR * p_sys->track[i].fmt.video.i_width;
925 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
927 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
929 bo_add_guid ( &bo, &asf_object_metadata_guid );
930 bo_addle_u64( &bo, i_cm_size );
931 bo_addle_u16( &bo, 2 ); /* description records count */
932 /* 1st description record */
933 bo_addle_u16( &bo, 0 ); /* reserved */
934 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
935 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
936 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
937 bo_addle_u32( &bo, 4 ); /* data length */
938 bo_addle_str16_nosize( &bo, "AspectRatioX" );
939 bo_addle_u32( &bo, i_dst_num ); /* data */
940 /* 2nd description record */
941 bo_addle_u16( &bo, 0 ); /* reserved */
942 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
943 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
944 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
945 bo_addle_u32( &bo, 4 ); /* data length */
946 bo_addle_str16_nosize( &bo, "AspectRatioY" );
947 bo_addle_u32( &bo, i_dst_den ); /* data */
950 /* content description header */
953 bo_add_guid ( &bo, &asf_object_content_description_guid );
954 bo_addle_u64( &bo, i_cd_size );
955 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
956 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
957 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
958 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
959 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
961 bo_addle_str16_nosize( &bo, p_sys->psz_title );
962 bo_addle_str16_nosize( &bo, p_sys->psz_author );
963 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
964 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
965 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
968 /* stream properties */
969 for( i = 0; i < p_sys->i_track; i++ )
971 tk = &p_sys->track[i];
973 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
974 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
976 if( tk->i_cat == AUDIO_ES )
978 bo_add_guid( &bo, &asf_object_stream_type_audio );
979 if( tk->b_audio_correction )
980 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
982 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
984 else if( tk->i_cat == VIDEO_ES )
986 bo_add_guid( &bo, &asf_object_stream_type_video );
987 bo_add_guid( &bo, &asf_guid_video_conceal_none );
989 bo_addle_u64( &bo, 0 ); /* time offset */
990 bo_addle_u32( &bo, tk->i_extra );
991 /* correction data length */
992 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
993 bo_addle_u16( &bo, tk->i_id ); /* stream number */
994 bo_addle_u32( &bo, 0 );
995 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
997 /* Error correction data field */
998 if( tk->b_audio_correction )
1000 bo_add_u8( &bo, 0x1 ); /* span */
1001 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
1002 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
1003 bo_addle_u16( &bo, 1 ); /* silence length */
1004 bo_add_u8( &bo, 0x0 ); /* data */
1009 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1010 bo_addle_u64( &bo, i_ci_size );
1011 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1012 bo_addle_u32( &bo, p_sys->i_track );
1013 for( i = 0; i < p_sys->i_track; i++ )
1015 tk = &p_sys->track[i];
1017 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1018 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1019 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1021 bo_addle_str16( &bo, tk->psz_name );
1022 bo_addle_u16( &bo, 0 );
1023 if( tk->i_cat == AUDIO_ES )
1025 bo_addle_u16( &bo, 2 );
1026 bo_addle_u16( &bo, tk->i_tag );
1028 else if( tk->i_cat == VIDEO_ES )
1030 bo_addle_u16( &bo, 4 );
1031 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1036 bo_add_guid ( &bo, &asf_object_data_guid );
1037 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1038 bo_add_guid ( &bo, &p_sys->fid );
1039 bo_addle_u64( &bo, p_sys->i_packet_count );
1040 bo_addle_u16( &bo, 0x101 );
1045 /****************************************************************************
1047 ****************************************************************************/
1048 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1050 sout_mux_sys_t *p_sys = p_mux->p_sys;
1051 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1055 if( !p_sys->pk ) return 0;
1057 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1058 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1060 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1062 if( p_sys->b_asf_http )
1063 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1065 bo_add_u8 ( &bo, 0x82 );
1066 bo_addle_u16( &bo, 0 );
1067 bo_add_u8( &bo, 0x11 );
1068 bo_add_u8( &bo, 0x5d );
1069 bo_addle_u16( &bo, i_pad );
1070 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1071 p_sys->i_preroll_time );
1072 bo_addle_u16( &bo, 0 /* data->i_length */ );
1073 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1078 p_sys->i_packet_count++;
1083 static block_t *asf_packet_create( sout_mux_t *p_mux,
1084 asf_track_t *tk, block_t *data )
1086 sout_mux_sys_t *p_sys = p_mux->p_sys;
1088 int i_data = data->i_buffer;
1090 uint8_t *p_data= data->p_buffer;
1091 block_t *first = NULL, **last = &first;
1092 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1094 while( i_pos < i_data )
1099 if( p_sys->pk == NULL )
1101 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1102 /* reserve 14 bytes for the packet header */
1103 p_sys->i_pk_used = 14 + i_preheader;
1104 p_sys->i_pk_frame = 0;
1105 p_sys->i_pk_dts = data->i_dts;
1108 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1109 p_sys->i_packet_size - p_sys->i_pk_used );
1111 /* add payload (header size = 17) */
1112 i_payload = __MIN( i_data - i_pos,
1113 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1115 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1117 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1118 *last = asf_packet_flush( p_mux );
1119 last = &(*last)->p_next;
1123 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1124 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1125 0x80 | tk->i_id : tk->i_id );
1126 bo_add_u8 ( &bo, tk->i_sequence );
1127 bo_addle_u32( &bo, i_pos );
1128 bo_add_u8 ( &bo, 0x08 ); /* flags */
1129 bo_addle_u32( &bo, i_data );
1130 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1131 p_sys->i_preroll_time );
1132 bo_addle_u16( &bo, i_payload );
1133 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1135 p_sys->i_pk_used += 17 + i_payload;
1137 p_sys->i_pk_frame++;
1139 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1141 /* Not enough data for another payload, flush the packet */
1142 *last = asf_packet_flush( p_mux );
1143 last = &(*last)->p_next;
1148 block_Release( data );
1153 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1155 sout_mux_sys_t *p_sys = p_mux->p_sys;
1157 block_t *out = NULL;
1160 if( p_sys->b_asf_http )
1162 out = block_New( p_mux, 12 );
1163 bo_init( &bo, out->p_buffer, 12 );
1164 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1169 out = block_New( p_mux, 56 );
1170 bo_init( &bo, out->p_buffer, 56 );
1171 bo_add_guid ( &bo, &asf_object_index_guid );
1172 bo_addle_u64( &bo, 56 );
1173 bo_add_guid ( &bo, &p_sys->fid );
1174 bo_addle_u64( &bo, 10000000 );
1175 bo_addle_u32( &bo, 5 );
1176 bo_addle_u32( &bo, 0 );