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_block.h>
36 #include <vlc_codecs.h>
40 #define MAX_ASF_TRACKS 128
41 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
43 /*****************************************************************************
45 *****************************************************************************/
46 static int Open ( vlc_object_t * );
47 static void Close ( vlc_object_t * );
49 #define SOUT_CFG_PREFIX "sout-asf-"
51 #define TITLE_TEXT N_("Title")
52 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
53 #define AUTHOR_TEXT N_("Author")
54 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
55 #define COPYRIGHT_TEXT N_("Copyright")
56 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
57 #define COMMENT_TEXT N_("Comment")
58 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
59 #define RATING_TEXT N_("Rating")
60 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
61 #define PACKETSIZE_TEXT N_("Packet Size")
62 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
65 set_description( _("ASF muxer") );
66 set_category( CAT_SOUT );
67 set_subcategory( SUBCAT_SOUT_MUX );
68 set_shortname( "ASF" );
70 set_capability( "sout mux", 5 );
71 add_shortcut( "asf" );
72 add_shortcut( "asfh" );
73 set_callbacks( Open, Close );
75 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
77 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
78 AUTHOR_LONGTEXT, VLC_TRUE );
79 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
80 COPYRIGHT_LONGTEXT, VLC_TRUE );
81 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
82 COMMENT_LONGTEXT, VLC_TRUE );
83 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
84 RATING_LONGTEXT, VLC_TRUE );
85 add_integer( "sout-asf-packet-size", 4096, NULL, PACKETSIZE_TEXT, PACKETSIZE_LONGTEXT, VLC_TRUE );
89 /*****************************************************************************
91 *****************************************************************************/
92 static const char *ppsz_sout_options[] = {
93 "title", "author", "copyright", "comment", "rating", NULL
96 static int Control ( sout_mux_t *, int, va_list );
97 static int AddStream( sout_mux_t *, sout_input_t * );
98 static int DelStream( sout_mux_t *, sout_input_t * );
99 static int Mux ( sout_mux_t * );
106 /* codec information */
107 uint16_t i_tag; /* for audio */
108 vlc_fourcc_t i_fourcc; /* for video */
109 const char *psz_name; /* codec name */
110 int i_blockalign; /* for audio only */
111 vlc_bool_t b_audio_correction;
122 struct sout_mux_sys_t
124 guid_t fid; /* file id */
126 int64_t i_packet_count;
129 mtime_t i_preroll_time;
133 asf_track_t track[MAX_ASF_TRACKS];
135 vlc_bool_t b_write_header;
142 vlc_bool_t b_asf_http;
153 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
155 static block_t *asf_header_create( sout_mux_t *, vlc_bool_t );
156 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
157 static block_t *asf_stream_end_create( sout_mux_t *);
158 static block_t *asf_packet_flush( sout_mux_t * );
168 static void bo_init ( bo_t *, uint8_t *, int );
169 static void bo_add_u8 ( bo_t *, uint8_t );
170 static void bo_addle_u16( bo_t *, uint16_t );
171 static void bo_addle_u32( bo_t *, uint32_t );
172 static void bo_addle_u64( bo_t *, uint64_t );
173 static void bo_add_mem ( bo_t *, uint8_t *, int );
175 static void bo_addle_str16( bo_t *, const char * );
177 /*****************************************************************************
179 *****************************************************************************/
180 static int Open( vlc_object_t *p_this )
182 sout_mux_t *p_mux = (sout_mux_t*)p_this;
183 sout_mux_sys_t *p_sys;
187 msg_Dbg( p_mux, "asf muxer opened" );
188 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
190 p_mux->pf_control = Control;
191 p_mux->pf_addstream = AddStream;
192 p_mux->pf_delstream = DelStream;
195 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
196 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
197 if( p_sys->b_asf_http )
199 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
202 p_sys->i_pk_used = 0;
203 p_sys->i_pk_frame = 0;
204 p_sys->i_dts_first = -1;
205 p_sys->i_dts_last = 0;
206 p_sys->i_preroll_time = 2000;
207 p_sys->i_bitrate = 0;
210 p_sys->b_write_header = VLC_TRUE;
212 p_sys->i_packet_size = config_GetInt( p_mux, "sout-asf-packet-size" );
213 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
214 p_sys->i_packet_count= 0;
216 /* Generate a random fid */
217 srand( mdate() & 0xffffffff );
218 p_sys->fid.Data1 = 0xbabac001;
219 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
220 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
221 for( i = 0; i < 8; i++ )
223 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
227 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
228 p_sys->psz_title = val.psz_string;
230 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
231 p_sys->psz_author = val.psz_string;
233 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
234 p_sys->psz_copyright = val.psz_string;
236 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
237 p_sys->psz_comment = val.psz_string;
239 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
240 p_sys->psz_rating = val.psz_string;
242 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
243 "comment='%s', rating='%s'",
244 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
245 p_sys->psz_comment, p_sys->psz_rating );
250 /*****************************************************************************
252 *****************************************************************************/
253 static void Close( vlc_object_t * p_this )
255 sout_mux_t *p_mux = (sout_mux_t*)p_this;
256 sout_mux_sys_t *p_sys = p_mux->p_sys;
260 msg_Dbg( p_mux, "Asf muxer closed" );
262 /* Flush last packet if any */
263 if( (out = asf_packet_flush( p_mux ) ) )
265 sout_AccessOutWrite( p_mux->p_access, out );
268 if( ( out = asf_stream_end_create( p_mux ) ) )
270 sout_AccessOutWrite( p_mux->p_access, out );
274 if( sout_AccessOutSeek( p_mux->p_access, 0 ) == VLC_SUCCESS )
276 out = asf_header_create( p_mux, VLC_FALSE );
277 sout_AccessOutWrite( p_mux->p_access, out );
280 for( i = 0; i < p_sys->i_track; i++ )
282 free( p_sys->track[i].p_extra );
283 es_format_Clean( &p_sys->track[i].fmt );
288 /*****************************************************************************
290 *****************************************************************************/
291 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
293 sout_mux_sys_t *p_sys = p_mux->p_sys;
299 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
300 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
301 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
302 else *pb_bool = VLC_FALSE;
305 case MUX_GET_ADD_STREAM_WAIT:
306 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
311 ppsz = (char**)va_arg( args, char ** );
312 if( p_sys->b_asf_http )
313 *ppsz = strdup( "video/x-ms-asf-stream" );
315 *ppsz = strdup( "video/x-ms-asf" );
323 /*****************************************************************************
325 *****************************************************************************/
326 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
328 sout_mux_sys_t *p_sys = p_mux->p_sys;
332 msg_Dbg( p_mux, "adding input" );
333 if( p_sys->i_track >= MAX_ASF_TRACKS )
335 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
339 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
340 tk->i_id = p_sys->i_track + 1;
341 tk->i_cat = p_input->p_fmt->i_cat;
343 tk->b_audio_correction = 0;
349 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
350 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
353 switch( p_input->p_fmt->i_codec )
355 case VLC_FOURCC( 'a', '5', '2', ' ' ):
356 tk->i_tag = WAVE_FORMAT_A52;
357 tk->psz_name = "A/52";
360 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
361 tk->i_tag = WAVE_FORMAT_AAC;
362 tk->psz_name = "MPEG-4 Audio";
365 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
367 tk->psz_name = "MPEG Audio Layer 3";
368 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
374 tk->psz_name = "MPEG Audio Layer 1/2";
375 tk->i_tag = WAVE_FORMAT_MPEG;
381 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
382 tk->psz_name = "Windows Media Audio v1";
383 tk->i_tag = WAVE_FORMAT_WMA1;
384 tk->b_audio_correction = VLC_TRUE;
386 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
387 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
388 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
389 tk->i_tag = WAVE_FORMAT_WMA2;
390 tk->b_audio_correction = VLC_TRUE;
392 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
393 tk->psz_name = "Windows Media Audio 9 Professional";
394 tk->i_tag = WAVE_FORMAT_WMAP;
395 tk->b_audio_correction = VLC_TRUE;
397 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
398 tk->psz_name = "Windows Media Audio 9 Lossless";
399 tk->i_tag = WAVE_FORMAT_WMAL;
400 tk->b_audio_correction = VLC_TRUE;
403 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
404 tk->psz_name = "Raw audio 8bits";
405 tk->i_tag = WAVE_FORMAT_PCM;
406 i_blockalign= p_input->p_fmt->audio.i_channels;
409 case VLC_FOURCC( 's', '1', '6', 'l' ):
410 tk->psz_name = "Raw audio 16bits";
411 tk->i_tag = WAVE_FORMAT_PCM;
412 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
413 i_bitspersample = 16;
415 case VLC_FOURCC( 's', '2', '4', 'l' ):
416 tk->psz_name = "Raw audio 24bits";
417 tk->i_tag = WAVE_FORMAT_PCM;
418 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
419 i_bitspersample = 24;
421 case VLC_FOURCC( 's', '3', '2', 'l' ):
422 tk->psz_name = "Raw audio 32bits";
423 tk->i_tag = WAVE_FORMAT_PCM;
424 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
425 i_bitspersample = 32;
431 tk->i_extra = sizeof( WAVEFORMATEX ) +
432 p_input->p_fmt->i_extra + i_extra;
433 tk->p_extra = malloc( tk->i_extra );
434 bo_init( &bo, tk->p_extra, tk->i_extra );
435 bo_addle_u16( &bo, tk->i_tag );
436 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
437 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
438 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
439 bo_addle_u16( &bo, i_blockalign );
440 tk->i_blockalign = i_blockalign;
441 bo_addle_u16( &bo, i_bitspersample );
442 if( p_input->p_fmt->i_extra > 0 )
444 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
445 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
446 p_input->p_fmt->i_extra );
450 bo_addle_u16( &bo, i_extra );
451 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
453 msg_Dbg( p_mux, "adding mp3 header" );
454 bo_addle_u16( &bo, 1 ); /* wId */
455 bo_addle_u32( &bo, 2 ); /* fdwFlags */
456 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
457 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
458 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
460 else if( tk->i_tag == WAVE_FORMAT_MPEG )
462 msg_Dbg( p_mux, "adding mp2 header" );
463 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
464 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
465 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
466 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
467 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
468 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
469 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
470 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
474 if( p_input->p_fmt->i_bitrate > 24000 )
476 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
480 p_sys->i_bitrate += 512000;
486 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
487 p_input->p_fmt->i_extra;
488 tk->p_extra = malloc( tk->i_extra );
489 bo_init( &bo, tk->p_extra, tk->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_add_u8 ( &bo, 0x02 ); /* flags */
493 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
494 p_input->p_fmt->i_extra );
495 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
496 p_input->p_fmt->i_extra );
497 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
498 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
499 bo_addle_u16( &bo, 1 );
500 bo_addle_u16( &bo, 24 );
501 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
503 tk->psz_name = "MPEG-4 Video";
504 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
506 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
508 tk->psz_name = "MSMPEG-4 V3 Video";
509 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
511 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
513 tk->psz_name = "MSMPEG-4 V2 Video";
514 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
516 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
518 tk->psz_name = "MSMPEG-4 V1 Video";
519 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
521 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
523 tk->psz_name = "Windows Media Video 7";
524 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
526 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
528 tk->psz_name = "Windows Media Video 8";
529 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
531 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
533 tk->psz_name = "Windows Media Video 9";
534 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
536 else if( p_input->p_fmt->i_codec == VLC_FOURCC('h','2','6','4') )
538 tk->psz_name = "H.264/MPEG-4 AVC";
539 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
543 tk->psz_name = _("Unknown Video");
544 tk->i_fourcc = p_input->p_fmt->i_codec;
546 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
547 bo_addle_u32( &bo, 0 );
548 bo_addle_u32( &bo, 0 );
549 bo_addle_u32( &bo, 0 );
550 bo_addle_u32( &bo, 0 );
551 bo_addle_u32( &bo, 0 );
552 if( p_input->p_fmt->i_extra > 0 )
554 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
555 p_input->p_fmt->i_extra );
558 if( p_input->p_fmt->i_bitrate > 50000 )
560 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
564 p_sys->i_bitrate += 1000000;
569 msg_Err(p_mux, "unhandled track type" );
573 es_format_Copy( &tk->fmt, p_input->p_fmt );
579 /*****************************************************************************
581 *****************************************************************************/
582 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
585 msg_Dbg( p_mux, "removing input" );
589 /*****************************************************************************
591 *****************************************************************************/
592 static int Mux( sout_mux_t *p_mux )
594 sout_mux_sys_t *p_sys = p_mux->p_sys;
596 if( p_sys->b_write_header )
598 block_t *out = asf_header_create( p_mux, VLC_TRUE );
600 out->i_flags |= BLOCK_FLAG_HEADER;
601 sout_AccessOutWrite( p_mux->p_access, out );
603 p_sys->b_write_header = VLC_FALSE;
608 sout_input_t *p_input;
615 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
617 /* not enough data */
621 if( p_sys->i_dts_first < 0 )
623 p_sys->i_dts_first = i_dts;
625 if( p_sys->i_dts_last < i_dts )
627 p_sys->i_dts_last = i_dts;
630 p_input = p_mux->pp_inputs[i_stream];
631 tk = (asf_track_t*)p_input->p_sys;
633 data = block_FifoGet( p_input->p_fifo );
635 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
637 sout_AccessOutWrite( p_mux->p_access, pk );
644 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
650 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
652 sout_input_t *p_input = p_mux->pp_inputs[i];
655 if( block_FifoCount( p_input->p_fifo ) <= 0 )
657 if( p_input->p_fmt->i_cat == AUDIO_ES ||
658 p_input->p_fmt->i_cat == VIDEO_ES )
660 /* We need that audio+video fifo contain at least 1 packet */
667 p_data = block_FifoShow( p_input->p_fifo );
668 if( i_stream == -1 || p_data->i_dts < i_dts )
671 i_dts = p_data->i_dts;
675 *pi_stream = i_stream;
681 /****************************************************************************
682 * Asf header construction
683 ****************************************************************************/
685 /****************************************************************************
687 ****************************************************************************/
688 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
690 p_bo->i_buffer_size = i_size;
692 p_bo->p_buffer = p_buffer;
694 static void bo_add_u8( bo_t *p_bo, uint8_t i )
696 if( p_bo->i_buffer < p_bo->i_buffer_size )
698 p_bo->p_buffer[p_bo->i_buffer] = i;
702 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
704 bo_add_u8( p_bo, i &0xff );
705 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
707 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
709 bo_addle_u16( p_bo, i &0xffff );
710 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
712 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
714 bo_addle_u32( p_bo, i &0xffffffff );
715 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
718 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
720 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
724 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
726 p_bo->i_buffer += i_size;
729 static void bo_addle_str16( bo_t *bo, const char *str )
731 bo_addle_u16( bo, strlen( str ) + 1 );
734 uint16_t c = (uint8_t)*str++;
735 bo_addle_u16( bo, c );
736 if( c == '\0' ) break;
740 static void bo_addle_str16_nosize( bo_t *bo, const char *str )
744 uint16_t c = (uint8_t)*str++;
745 bo_addle_u16( bo, c );
746 if( c == '\0' ) break;
750 /****************************************************************************
752 ****************************************************************************/
753 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
756 bo_addle_u32( p_bo, id->Data1 );
757 bo_addle_u16( p_bo, id->Data2 );
758 bo_addle_u16( p_bo, id->Data3 );
759 for( i = 0; i < 8; i++ )
761 bo_add_u8( p_bo, id->Data4[i] );
765 static const guid_t asf_object_header_guid =
766 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
767 static const guid_t asf_object_data_guid =
768 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
769 static const guid_t asf_object_file_properties_guid =
770 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
771 static const guid_t asf_object_stream_properties_guid =
772 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
773 static const guid_t asf_object_header_extension_guid =
774 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
775 static const guid_t asf_object_stream_type_audio =
776 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
777 static const guid_t asf_object_stream_type_video =
778 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
779 static const guid_t asf_guid_audio_conceal_none =
780 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
781 static const guid_t asf_guid_audio_conceal_spread =
782 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
783 static const guid_t asf_guid_video_conceal_none =
784 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
785 static const guid_t asf_guid_reserved_1 =
786 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
787 static const guid_t asf_object_codec_list_guid =
788 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
789 static const guid_t asf_object_codec_list_reserved_guid =
790 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
791 static const guid_t asf_object_content_description_guid =
792 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
793 static const guid_t asf_object_index_guid =
794 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
795 static const guid_t asf_object_metadata_guid =
796 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
798 /****************************************************************************
800 ****************************************************************************/
801 static void asf_chunk_add( bo_t *bo,
802 int i_type, int i_len, int i_flags, int i_seq )
804 bo_addle_u16( bo, i_type );
805 bo_addle_u16( bo, i_len + 8 );
806 bo_addle_u32( bo, i_seq );
807 bo_addle_u16( bo, i_flags );
808 bo_addle_u16( bo, i_len + 8 );
811 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
813 sout_mux_sys_t *p_sys = p_mux->p_sys;
815 mtime_t i_duration = 0;
816 int i_size, i_header_ext_size, i;
817 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
821 msg_Dbg( p_mux, "Asf muxer creating header" );
823 if( p_sys->i_dts_first > 0 )
825 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
826 if( i_duration < 0 ) i_duration = 0;
829 /* calculate header size */
832 for( i = 0; i < p_sys->i_track; i++ )
834 i_size += 78 + p_sys->track[i].i_extra;
835 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
836 if( p_sys->track[i].i_cat == AUDIO_ES ) i_ci_size += 4;
837 else if( p_sys->track[i].i_cat == VIDEO_ES ) i_ci_size += 6;
839 /* Error correction data field */
840 if( p_sys->track[i].b_audio_correction ) i_size += 8;
843 /* size of the content description object */
844 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
845 *p_sys->psz_comment || *p_sys->psz_rating )
847 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
848 strlen( p_sys->psz_author ) + 1 +
849 strlen( p_sys->psz_copyright ) + 1 +
850 strlen( p_sys->psz_comment ) + 1 +
851 strlen( p_sys->psz_rating ) + 1 );
854 /* size of the metadata object */
855 for( i = 0; i < p_sys->i_track; i++ )
857 if( p_sys->track[i].i_cat == VIDEO_ES )
859 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
864 i_header_ext_size = i_cm_size ? i_cm_size + 46 : 0;
865 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
867 if( p_sys->b_asf_http )
869 out = block_New( p_mux, i_size + 50 + 12 );
870 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
871 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
875 out = block_New( p_mux, i_size + 50 );
876 bo_init( &bo, out->p_buffer, i_size + 50 );
880 bo_add_guid ( &bo, &asf_object_header_guid );
881 bo_addle_u64( &bo, i_size );
882 bo_addle_u32( &bo, 2 + p_sys->i_track +
883 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
884 bo_add_u8 ( &bo, 1 );
885 bo_add_u8 ( &bo, 2 );
889 /* file properties */
890 bo_add_guid ( &bo, &asf_object_file_properties_guid );
891 bo_addle_u64( &bo, 104 );
892 bo_add_guid ( &bo, &p_sys->fid );
893 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
894 p_sys->i_packet_size ); /* file size */
895 bo_addle_u64( &bo, 0 ); /* creation date */
896 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
897 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
898 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
899 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
900 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
901 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
902 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
903 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
905 /* header extension */
906 if( i_header_ext_size )
908 bo_add_guid ( &bo, &asf_object_header_extension_guid );
909 bo_addle_u64( &bo, i_header_ext_size );
910 bo_add_guid ( &bo, &asf_guid_reserved_1 );
911 bo_addle_u16( &bo, 6 );
912 bo_addle_u32( &bo, i_header_ext_size - 46 );
915 /* metadata object (part of header extension) */
918 int64_t i_num, i_den;
919 unsigned int i_dst_num, i_dst_den;
921 for( i = 0; i < p_sys->i_track; i++ )
922 if( p_sys->track[i].i_cat == VIDEO_ES ) break;
924 i_num = p_sys->track[i].fmt.video.i_aspect *
925 (int64_t)p_sys->track[i].fmt.video.i_height;
926 i_den = VOUT_ASPECT_FACTOR * p_sys->track[i].fmt.video.i_width;
927 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
929 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
931 bo_add_guid ( &bo, &asf_object_metadata_guid );
932 bo_addle_u64( &bo, i_cm_size );
933 bo_addle_u16( &bo, 2 ); /* description records count */
934 /* 1st description record */
935 bo_addle_u16( &bo, 0 ); /* reserved */
936 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
937 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
938 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
939 bo_addle_u32( &bo, 4 ); /* data length */
940 bo_addle_str16_nosize( &bo, "AspectRatioX" );
941 bo_addle_u32( &bo, i_dst_num ); /* data */
942 /* 2nd description record */
943 bo_addle_u16( &bo, 0 ); /* reserved */
944 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
945 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
946 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
947 bo_addle_u32( &bo, 4 ); /* data length */
948 bo_addle_str16_nosize( &bo, "AspectRatioY" );
949 bo_addle_u32( &bo, i_dst_den ); /* data */
952 /* content description header */
955 bo_add_guid ( &bo, &asf_object_content_description_guid );
956 bo_addle_u64( &bo, i_cd_size );
957 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
958 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
959 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
960 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
961 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
963 bo_addle_str16_nosize( &bo, p_sys->psz_title );
964 bo_addle_str16_nosize( &bo, p_sys->psz_author );
965 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
966 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
967 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
970 /* stream properties */
971 for( i = 0; i < p_sys->i_track; i++ )
973 tk = &p_sys->track[i];
975 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
976 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
978 if( tk->i_cat == AUDIO_ES )
980 bo_add_guid( &bo, &asf_object_stream_type_audio );
981 if( tk->b_audio_correction )
982 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
984 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
986 else if( tk->i_cat == VIDEO_ES )
988 bo_add_guid( &bo, &asf_object_stream_type_video );
989 bo_add_guid( &bo, &asf_guid_video_conceal_none );
991 bo_addle_u64( &bo, 0 ); /* time offset */
992 bo_addle_u32( &bo, tk->i_extra );
993 /* correction data length */
994 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
995 bo_addle_u16( &bo, tk->i_id ); /* stream number */
996 bo_addle_u32( &bo, 0 );
997 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
999 /* Error correction data field */
1000 if( tk->b_audio_correction )
1002 bo_add_u8( &bo, 0x1 ); /* span */
1003 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
1004 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
1005 bo_addle_u16( &bo, 1 ); /* silence length */
1006 bo_add_u8( &bo, 0x0 ); /* data */
1011 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1012 bo_addle_u64( &bo, i_ci_size );
1013 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1014 bo_addle_u32( &bo, p_sys->i_track );
1015 for( i = 0; i < p_sys->i_track; i++ )
1017 tk = &p_sys->track[i];
1019 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1020 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1021 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1023 bo_addle_str16( &bo, tk->psz_name );
1024 bo_addle_u16( &bo, 0 );
1025 if( tk->i_cat == AUDIO_ES )
1027 bo_addle_u16( &bo, 2 );
1028 bo_addle_u16( &bo, tk->i_tag );
1030 else if( tk->i_cat == VIDEO_ES )
1032 bo_addle_u16( &bo, 4 );
1033 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1038 bo_add_guid ( &bo, &asf_object_data_guid );
1039 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1040 bo_add_guid ( &bo, &p_sys->fid );
1041 bo_addle_u64( &bo, p_sys->i_packet_count );
1042 bo_addle_u16( &bo, 0x101 );
1047 /****************************************************************************
1049 ****************************************************************************/
1050 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1052 sout_mux_sys_t *p_sys = p_mux->p_sys;
1053 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1057 if( !p_sys->pk ) return 0;
1059 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1060 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1062 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1064 if( p_sys->b_asf_http )
1065 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1067 bo_add_u8 ( &bo, 0x82 );
1068 bo_addle_u16( &bo, 0 );
1069 bo_add_u8( &bo, 0x11 );
1070 bo_add_u8( &bo, 0x5d );
1071 bo_addle_u16( &bo, i_pad );
1072 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1073 p_sys->i_preroll_time );
1074 bo_addle_u16( &bo, 0 /* data->i_length */ );
1075 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1080 p_sys->i_packet_count++;
1085 static block_t *asf_packet_create( sout_mux_t *p_mux,
1086 asf_track_t *tk, block_t *data )
1088 sout_mux_sys_t *p_sys = p_mux->p_sys;
1090 int i_data = data->i_buffer;
1092 uint8_t *p_data= data->p_buffer;
1093 block_t *first = NULL, **last = &first;
1094 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1096 while( i_pos < i_data )
1101 if( p_sys->pk == NULL )
1103 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1104 /* reserve 14 bytes for the packet header */
1105 p_sys->i_pk_used = 14 + i_preheader;
1106 p_sys->i_pk_frame = 0;
1107 p_sys->i_pk_dts = data->i_dts;
1110 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1111 p_sys->i_packet_size - p_sys->i_pk_used );
1113 /* add payload (header size = 17) */
1114 i_payload = __MIN( i_data - i_pos,
1115 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1117 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1119 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1120 *last = asf_packet_flush( p_mux );
1121 last = &(*last)->p_next;
1125 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1126 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1127 0x80 | tk->i_id : tk->i_id );
1128 bo_add_u8 ( &bo, tk->i_sequence );
1129 bo_addle_u32( &bo, i_pos );
1130 bo_add_u8 ( &bo, 0x08 ); /* flags */
1131 bo_addle_u32( &bo, i_data );
1132 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1133 p_sys->i_preroll_time );
1134 bo_addle_u16( &bo, i_payload );
1135 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1137 p_sys->i_pk_used += 17 + i_payload;
1139 p_sys->i_pk_frame++;
1141 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1143 /* Not enough data for another payload, flush the packet */
1144 *last = asf_packet_flush( p_mux );
1145 last = &(*last)->p_next;
1150 block_Release( data );
1155 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1157 sout_mux_sys_t *p_sys = p_mux->p_sys;
1159 block_t *out = NULL;
1162 if( p_sys->b_asf_http )
1164 out = block_New( p_mux, 12 );
1165 bo_init( &bo, out->p_buffer, 12 );
1166 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1171 out = block_New( p_mux, 56 );
1172 bo_init( &bo, out->p_buffer, 56 );
1173 bo_add_guid ( &bo, &asf_object_index_guid );
1174 bo_addle_u64( &bo, 56 );
1175 bo_add_guid ( &bo, &p_sys->fid );
1176 bo_addle_u64( &bo, 10000000 );
1177 bo_addle_u32( &bo, 5 );
1178 bo_addle_u32( &bo, 0 );