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_block.h>
32 #include <vlc_codecs.h>
36 #define MAX_ASF_TRACKS 128
37 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
39 /*****************************************************************************
41 *****************************************************************************/
42 static int Open ( vlc_object_t * );
43 static void Close ( vlc_object_t * );
45 #define SOUT_CFG_PREFIX "sout-asf-"
47 #define TITLE_TEXT N_("Title")
48 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
49 #define AUTHOR_TEXT N_("Author")
50 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
51 #define COPYRIGHT_TEXT N_("Copyright")
52 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
53 #define COMMENT_TEXT N_("Comment")
54 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
55 #define RATING_TEXT N_("Rating")
56 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
57 #define PACKETSIZE_TEXT N_("Packet Size")
58 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
61 set_description( _("ASF muxer") );
62 set_category( CAT_SOUT );
63 set_subcategory( SUBCAT_SOUT_MUX );
64 set_shortname( "ASF" );
66 set_capability( "sout mux", 5 );
67 add_shortcut( "asf" );
68 add_shortcut( "asfh" );
69 set_callbacks( Open, Close );
71 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
73 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
74 AUTHOR_LONGTEXT, VLC_TRUE );
75 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
76 COPYRIGHT_LONGTEXT, VLC_TRUE );
77 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
78 COMMENT_LONGTEXT, VLC_TRUE );
79 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
80 RATING_LONGTEXT, VLC_TRUE );
81 add_integer( "sout-asf-packet-size", 4096, NULL, PACKETSIZE_TEXT, PACKETSIZE_LONGTEXT, VLC_TRUE );
85 /*****************************************************************************
87 *****************************************************************************/
88 static const char *ppsz_sout_options[] = {
89 "title", "author", "copyright", "comment", "rating", NULL
92 static int Control ( sout_mux_t *, int, va_list );
93 static int AddStream( sout_mux_t *, sout_input_t * );
94 static int DelStream( sout_mux_t *, sout_input_t * );
95 static int Mux ( sout_mux_t * );
102 /* codec information */
103 uint16_t i_tag; /* for audio */
104 vlc_fourcc_t i_fourcc; /* for video */
105 char *psz_name; /* codec name */
106 int i_blockalign; /* for audio only */
107 vlc_bool_t b_audio_correction;
118 struct sout_mux_sys_t
120 guid_t fid; /* file id */
122 int64_t i_packet_count;
125 mtime_t i_preroll_time;
129 asf_track_t track[MAX_ASF_TRACKS];
131 vlc_bool_t b_write_header;
138 vlc_bool_t b_asf_http;
149 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
151 static block_t *asf_header_create( sout_mux_t *, vlc_bool_t );
152 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
153 static block_t *asf_stream_end_create( sout_mux_t *);
154 static block_t *asf_packet_flush( sout_mux_t * );
164 static void bo_init ( bo_t *, uint8_t *, int );
165 static void bo_add_u8 ( bo_t *, uint8_t );
166 static void bo_addle_u16( bo_t *, uint16_t );
167 static void bo_addle_u32( bo_t *, uint32_t );
168 static void bo_addle_u64( bo_t *, uint64_t );
169 static void bo_add_mem ( bo_t *, uint8_t *, int );
171 static void bo_addle_str16( bo_t *, char * );
173 /*****************************************************************************
175 *****************************************************************************/
176 static int Open( vlc_object_t *p_this )
178 sout_mux_t *p_mux = (sout_mux_t*)p_this;
179 sout_mux_sys_t *p_sys;
183 msg_Dbg( p_mux, "asf muxer opened" );
184 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
186 p_mux->pf_control = Control;
187 p_mux->pf_addstream = AddStream;
188 p_mux->pf_delstream = DelStream;
191 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
192 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
193 if( p_sys->b_asf_http )
195 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
198 p_sys->i_pk_used = 0;
199 p_sys->i_pk_frame = 0;
200 p_sys->i_dts_first = -1;
201 p_sys->i_dts_last = 0;
202 p_sys->i_preroll_time = 2000;
203 p_sys->i_bitrate = 0;
206 p_sys->b_write_header = VLC_TRUE;
208 p_sys->i_packet_size = config_GetInt( p_mux, "sout-asf-packet-size" );
209 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
210 p_sys->i_packet_count= 0;
212 /* Generate a random fid */
213 srand( mdate() & 0xffffffff );
214 p_sys->fid.Data1 = 0xbabac001;
215 p_sys->fid.Data2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
216 p_sys->fid.Data3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
217 for( i = 0; i < 8; i++ )
219 p_sys->fid.Data4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
223 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
224 p_sys->psz_title = val.psz_string;
226 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
227 p_sys->psz_author = val.psz_string;
229 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
230 p_sys->psz_copyright = val.psz_string;
232 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
233 p_sys->psz_comment = val.psz_string;
235 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
236 p_sys->psz_rating = val.psz_string;
238 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
239 "comment='%s', rating='%s'",
240 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
241 p_sys->psz_comment, p_sys->psz_rating );
246 /*****************************************************************************
248 *****************************************************************************/
249 static void Close( vlc_object_t * p_this )
251 sout_mux_t *p_mux = (sout_mux_t*)p_this;
252 sout_mux_sys_t *p_sys = p_mux->p_sys;
256 msg_Dbg( p_mux, "Asf muxer closed" );
258 /* Flush last packet if any */
259 if( (out = asf_packet_flush( p_mux ) ) )
261 sout_AccessOutWrite( p_mux->p_access, out );
264 if( ( out = asf_stream_end_create( p_mux ) ) )
266 sout_AccessOutWrite( p_mux->p_access, out );
270 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
272 out = asf_header_create( p_mux, VLC_FALSE );
273 sout_AccessOutWrite( p_mux->p_access, out );
276 for( i = 0; i < p_sys->i_track; i++ )
278 free( p_sys->track[i].p_extra );
279 es_format_Clean( &p_sys->track[i].fmt );
284 /*****************************************************************************
286 *****************************************************************************/
287 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
289 sout_mux_sys_t *p_sys = p_mux->p_sys;
295 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
296 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
297 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
298 else *pb_bool = VLC_FALSE;
301 case MUX_GET_ADD_STREAM_WAIT:
302 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
307 ppsz = (char**)va_arg( args, char ** );
308 if( p_sys->b_asf_http )
309 *ppsz = strdup( "video/x-ms-asf-stream" );
311 *ppsz = strdup( "video/x-ms-asf" );
319 /*****************************************************************************
321 *****************************************************************************/
322 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
324 sout_mux_sys_t *p_sys = p_mux->p_sys;
328 msg_Dbg( p_mux, "adding input" );
329 if( p_sys->i_track >= MAX_ASF_TRACKS )
331 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
335 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
336 tk->i_id = p_sys->i_track + 1;
337 tk->i_cat = p_input->p_fmt->i_cat;
339 tk->b_audio_correction = 0;
345 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
346 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
349 switch( p_input->p_fmt->i_codec )
351 case VLC_FOURCC( 'a', '5', '2', ' ' ):
352 tk->i_tag = WAVE_FORMAT_A52;
353 tk->psz_name = "A/52";
356 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
357 tk->i_tag = WAVE_FORMAT_AAC;
358 tk->psz_name = "MPEG-4 Audio";
361 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
363 tk->psz_name = "MPEG Audio Layer 3";
364 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
370 tk->psz_name = "MPEG Audio Layer 1/2";
371 tk->i_tag = WAVE_FORMAT_MPEG;
377 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
378 tk->psz_name = "Windows Media Audio v1";
379 tk->i_tag = WAVE_FORMAT_WMA1;
380 tk->b_audio_correction = VLC_TRUE;
382 case VLC_FOURCC( 'w', 'm', 'a', ' ' ):
383 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
384 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
385 tk->i_tag = WAVE_FORMAT_WMA2;
386 tk->b_audio_correction = VLC_TRUE;
388 case VLC_FOURCC( 'w', 'm', 'a', 'p' ):
389 tk->psz_name = "Windows Media Audio 9 Professional";
390 tk->i_tag = WAVE_FORMAT_WMAP;
391 tk->b_audio_correction = VLC_TRUE;
393 case VLC_FOURCC( 'w', 'm', 'a', 'l' ):
394 tk->psz_name = "Windows Media Audio 9 Lossless";
395 tk->i_tag = WAVE_FORMAT_WMAL;
396 tk->b_audio_correction = VLC_TRUE;
399 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
400 tk->psz_name = "Raw audio 8bits";
401 tk->i_tag = WAVE_FORMAT_PCM;
402 i_blockalign= p_input->p_fmt->audio.i_channels;
405 case VLC_FOURCC( 's', '1', '6', 'l' ):
406 tk->psz_name = "Raw audio 16bits";
407 tk->i_tag = WAVE_FORMAT_PCM;
408 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
409 i_bitspersample = 16;
411 case VLC_FOURCC( 's', '2', '4', 'l' ):
412 tk->psz_name = "Raw audio 24bits";
413 tk->i_tag = WAVE_FORMAT_PCM;
414 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
415 i_bitspersample = 24;
417 case VLC_FOURCC( 's', '3', '2', 'l' ):
418 tk->psz_name = "Raw audio 32bits";
419 tk->i_tag = WAVE_FORMAT_PCM;
420 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
421 i_bitspersample = 32;
427 tk->i_extra = sizeof( WAVEFORMATEX ) +
428 p_input->p_fmt->i_extra + i_extra;
429 tk->p_extra = malloc( tk->i_extra );
430 bo_init( &bo, tk->p_extra, tk->i_extra );
431 bo_addle_u16( &bo, tk->i_tag );
432 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
433 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
434 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
435 bo_addle_u16( &bo, i_blockalign );
436 tk->i_blockalign = i_blockalign;
437 bo_addle_u16( &bo, i_bitspersample );
438 if( p_input->p_fmt->i_extra > 0 )
440 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
441 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
442 p_input->p_fmt->i_extra );
446 bo_addle_u16( &bo, i_extra );
447 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
449 msg_Dbg( p_mux, "adding mp3 header" );
450 bo_addle_u16( &bo, 1 ); /* wId */
451 bo_addle_u32( &bo, 2 ); /* fdwFlags */
452 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
453 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
454 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
456 else if( tk->i_tag == WAVE_FORMAT_MPEG )
458 msg_Dbg( p_mux, "adding mp2 header" );
459 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
460 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
461 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
462 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
463 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
464 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
465 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
466 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
470 if( p_input->p_fmt->i_bitrate > 24000 )
472 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
476 p_sys->i_bitrate += 512000;
482 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
483 p_input->p_fmt->i_extra;
484 tk->p_extra = malloc( tk->i_extra );
485 bo_init( &bo, tk->p_extra, tk->i_extra );
486 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
487 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
488 bo_add_u8 ( &bo, 0x02 ); /* flags */
489 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
490 p_input->p_fmt->i_extra );
491 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
492 p_input->p_fmt->i_extra );
493 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
494 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
495 bo_addle_u16( &bo, 1 );
496 bo_addle_u16( &bo, 24 );
497 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
499 tk->psz_name = "MPEG-4 Video";
500 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
502 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
504 tk->psz_name = "MSMPEG-4 V3 Video";
505 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
507 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
509 tk->psz_name = "MSMPEG-4 V2 Video";
510 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
512 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
514 tk->psz_name = "MSMPEG-4 V1 Video";
515 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
517 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
519 tk->psz_name = "Windows Media Video 7";
520 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
522 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
524 tk->psz_name = "Windows Media Video 8";
525 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
527 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
529 tk->psz_name = "Windows Media Video 9";
530 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
532 else if( p_input->p_fmt->i_codec == VLC_FOURCC('h','2','6','4') )
534 tk->psz_name = "H.264/MPEG-4 AVC";
535 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
539 tk->psz_name = _("Unknown Video");
540 tk->i_fourcc = p_input->p_fmt->i_codec;
542 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
543 bo_addle_u32( &bo, 0 );
544 bo_addle_u32( &bo, 0 );
545 bo_addle_u32( &bo, 0 );
546 bo_addle_u32( &bo, 0 );
547 bo_addle_u32( &bo, 0 );
548 if( p_input->p_fmt->i_extra > 0 )
550 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
551 p_input->p_fmt->i_extra );
554 if( p_input->p_fmt->i_bitrate > 50000 )
556 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
560 p_sys->i_bitrate += 1000000;
565 msg_Err(p_mux, "unhandled track type" );
569 es_format_Copy( &tk->fmt, p_input->p_fmt );
575 /*****************************************************************************
577 *****************************************************************************/
578 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
580 msg_Dbg( p_mux, "removing input" );
584 /*****************************************************************************
586 *****************************************************************************/
587 static int Mux( sout_mux_t *p_mux )
589 sout_mux_sys_t *p_sys = p_mux->p_sys;
591 if( p_sys->b_write_header )
593 block_t *out = asf_header_create( p_mux, VLC_TRUE );
595 out->i_flags |= BLOCK_FLAG_HEADER;
596 sout_AccessOutWrite( p_mux->p_access, out );
598 p_sys->b_write_header = VLC_FALSE;
603 sout_input_t *p_input;
610 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
612 /* not enough data */
616 if( p_sys->i_dts_first < 0 )
618 p_sys->i_dts_first = i_dts;
620 if( p_sys->i_dts_last < i_dts )
622 p_sys->i_dts_last = i_dts;
625 p_input = p_mux->pp_inputs[i_stream];
626 tk = (asf_track_t*)p_input->p_sys;
628 data = block_FifoGet( p_input->p_fifo );
630 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
632 sout_AccessOutWrite( p_mux->p_access, pk );
639 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
645 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
647 sout_input_t *p_input = p_mux->pp_inputs[i];
650 if( block_FifoCount( p_input->p_fifo ) <= 0 )
652 if( p_input->p_fmt->i_cat == AUDIO_ES ||
653 p_input->p_fmt->i_cat == VIDEO_ES )
655 /* We need that audio+video fifo contain at least 1 packet */
662 p_data = block_FifoShow( p_input->p_fifo );
663 if( i_stream == -1 || p_data->i_dts < i_dts )
666 i_dts = p_data->i_dts;
670 *pi_stream = i_stream;
676 /****************************************************************************
677 * Asf header construction
678 ****************************************************************************/
680 /****************************************************************************
682 ****************************************************************************/
683 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
685 p_bo->i_buffer_size = i_size;
687 p_bo->p_buffer = p_buffer;
689 static void bo_add_u8( bo_t *p_bo, uint8_t i )
691 if( p_bo->i_buffer < p_bo->i_buffer_size )
693 p_bo->p_buffer[p_bo->i_buffer] = i;
697 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
699 bo_add_u8( p_bo, i &0xff );
700 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
702 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
704 bo_addle_u16( p_bo, i &0xffff );
705 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
707 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
709 bo_addle_u32( p_bo, i &0xffffffff );
710 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
713 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
715 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
719 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
721 p_bo->i_buffer += i_size;
724 static void bo_addle_str16( bo_t *bo, char *str )
726 bo_addle_u16( bo, strlen( str ) + 1 );
729 uint16_t c = (uint8_t)*str++;
730 bo_addle_u16( bo, c );
731 if( c == '\0' ) break;
735 static void bo_addle_str16_nosize( bo_t *bo, char *str )
739 uint16_t c = (uint8_t)*str++;
740 bo_addle_u16( bo, c );
741 if( c == '\0' ) break;
745 /****************************************************************************
747 ****************************************************************************/
748 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
751 bo_addle_u32( p_bo, id->Data1 );
752 bo_addle_u16( p_bo, id->Data2 );
753 bo_addle_u16( p_bo, id->Data3 );
754 for( i = 0; i < 8; i++ )
756 bo_add_u8( p_bo, id->Data4[i] );
760 static const guid_t asf_object_header_guid =
761 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
762 static const guid_t asf_object_data_guid =
763 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
764 static const guid_t asf_object_file_properties_guid =
765 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
766 static const guid_t asf_object_stream_properties_guid =
767 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
768 static const guid_t asf_object_header_extension_guid =
769 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
770 static const guid_t asf_object_stream_type_audio =
771 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
772 static const guid_t asf_object_stream_type_video =
773 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
774 static const guid_t asf_guid_audio_conceal_none =
775 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
776 static const guid_t asf_guid_audio_conceal_spread =
777 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
778 static const guid_t asf_guid_video_conceal_none =
779 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
780 static const guid_t asf_guid_reserved_1 =
781 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
782 static const guid_t asf_object_codec_list_guid =
783 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
784 static const guid_t asf_object_codec_list_reserved_guid =
785 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
786 static const guid_t asf_object_content_description_guid =
787 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
788 static const guid_t asf_object_index_guid =
789 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
790 static const guid_t asf_object_metadata_guid =
791 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
793 /****************************************************************************
795 ****************************************************************************/
796 static void asf_chunk_add( bo_t *bo,
797 int i_type, int i_len, int i_flags, int i_seq )
799 bo_addle_u16( bo, i_type );
800 bo_addle_u16( bo, i_len + 8 );
801 bo_addle_u32( bo, i_seq );
802 bo_addle_u16( bo, i_flags );
803 bo_addle_u16( bo, i_len + 8 );
806 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
808 sout_mux_sys_t *p_sys = p_mux->p_sys;
810 mtime_t i_duration = 0;
811 int i_size, i_header_ext_size, i;
812 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
816 msg_Dbg( p_mux, "Asf muxer creating header" );
818 if( p_sys->i_dts_first > 0 )
820 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
821 if( i_duration < 0 ) i_duration = 0;
824 /* calculate header size */
827 for( i = 0; i < p_sys->i_track; i++ )
829 i_size += 78 + p_sys->track[i].i_extra;
830 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
831 if( p_sys->track[i].i_cat == AUDIO_ES ) i_ci_size += 4;
832 else if( p_sys->track[i].i_cat == VIDEO_ES ) i_ci_size += 6;
834 /* Error correction data field */
835 if( p_sys->track[i].b_audio_correction ) i_size += 8;
838 /* size of the content description object */
839 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
840 *p_sys->psz_comment || *p_sys->psz_rating )
842 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
843 strlen( p_sys->psz_author ) + 1 +
844 strlen( p_sys->psz_copyright ) + 1 +
845 strlen( p_sys->psz_comment ) + 1 +
846 strlen( p_sys->psz_rating ) + 1 );
849 /* size of the metadata object */
850 for( i = 0; i < p_sys->i_track; i++ )
852 if( p_sys->track[i].i_cat == VIDEO_ES )
854 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
859 i_header_ext_size = i_cm_size ? i_cm_size + 46 : 0;
860 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
862 if( p_sys->b_asf_http )
864 out = block_New( p_mux, i_size + 50 + 12 );
865 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
866 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
870 out = block_New( p_mux, i_size + 50 );
871 bo_init( &bo, out->p_buffer, i_size + 50 );
875 bo_add_guid ( &bo, &asf_object_header_guid );
876 bo_addle_u64( &bo, i_size );
877 bo_addle_u32( &bo, 2 + p_sys->i_track +
878 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
879 bo_add_u8 ( &bo, 1 );
880 bo_add_u8 ( &bo, 2 );
884 /* file properties */
885 bo_add_guid ( &bo, &asf_object_file_properties_guid );
886 bo_addle_u64( &bo, 104 );
887 bo_add_guid ( &bo, &p_sys->fid );
888 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
889 p_sys->i_packet_size ); /* file size */
890 bo_addle_u64( &bo, 0 ); /* creation date */
891 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
892 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
893 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
894 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
895 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
896 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
897 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
898 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
900 /* header extension */
901 if( i_header_ext_size )
903 bo_add_guid ( &bo, &asf_object_header_extension_guid );
904 bo_addle_u64( &bo, i_header_ext_size );
905 bo_add_guid ( &bo, &asf_guid_reserved_1 );
906 bo_addle_u16( &bo, 6 );
907 bo_addle_u32( &bo, i_header_ext_size - 46 );
910 /* metadata object (part of header extension) */
913 int64_t i_num, i_den;
914 unsigned int i_dst_num, i_dst_den;
916 for( i = 0; i < p_sys->i_track; i++ )
917 if( p_sys->track[i].i_cat == VIDEO_ES ) break;
919 i_num = p_sys->track[i].fmt.video.i_aspect *
920 (int64_t)p_sys->track[i].fmt.video.i_height;
921 i_den = VOUT_ASPECT_FACTOR * p_sys->track[i].fmt.video.i_width;
922 vlc_ureduce( &i_dst_num, &i_dst_den, i_num, i_den, 0 );
924 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
926 bo_add_guid ( &bo, &asf_object_metadata_guid );
927 bo_addle_u64( &bo, i_cm_size );
928 bo_addle_u16( &bo, 2 ); /* description records count */
929 /* 1st description record */
930 bo_addle_u16( &bo, 0 ); /* reserved */
931 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
932 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
933 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
934 bo_addle_u32( &bo, 4 ); /* data length */
935 bo_addle_str16_nosize( &bo, "AspectRatioX" );
936 bo_addle_u32( &bo, i_dst_num ); /* data */
937 /* 2nd description record */
938 bo_addle_u16( &bo, 0 ); /* reserved */
939 bo_addle_u16( &bo, i + 1 ); /* stream number (0 for the whole file) */
940 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
941 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
942 bo_addle_u32( &bo, 4 ); /* data length */
943 bo_addle_str16_nosize( &bo, "AspectRatioY" );
944 bo_addle_u32( &bo, i_dst_den ); /* data */
947 /* content description header */
950 bo_add_guid ( &bo, &asf_object_content_description_guid );
951 bo_addle_u64( &bo, i_cd_size );
952 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
953 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
954 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
955 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
956 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
958 bo_addle_str16_nosize( &bo, p_sys->psz_title );
959 bo_addle_str16_nosize( &bo, p_sys->psz_author );
960 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
961 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
962 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
965 /* stream properties */
966 for( i = 0; i < p_sys->i_track; i++ )
968 tk = &p_sys->track[i];
970 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
971 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
973 if( tk->i_cat == AUDIO_ES )
975 bo_add_guid( &bo, &asf_object_stream_type_audio );
976 if( tk->b_audio_correction )
977 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
979 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
981 else if( tk->i_cat == VIDEO_ES )
983 bo_add_guid( &bo, &asf_object_stream_type_video );
984 bo_add_guid( &bo, &asf_guid_video_conceal_none );
986 bo_addle_u64( &bo, 0 ); /* time offset */
987 bo_addle_u32( &bo, tk->i_extra );
988 /* correction data length */
989 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
990 bo_addle_u16( &bo, tk->i_id ); /* stream number */
991 bo_addle_u32( &bo, 0 );
992 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
994 /* Error correction data field */
995 if( tk->b_audio_correction )
997 bo_add_u8( &bo, 0x1 ); /* span */
998 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
999 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
1000 bo_addle_u16( &bo, 1 ); /* silence length */
1001 bo_add_u8( &bo, 0x0 ); /* data */
1006 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1007 bo_addle_u64( &bo, i_ci_size );
1008 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1009 bo_addle_u32( &bo, p_sys->i_track );
1010 for( i = 0; i < p_sys->i_track; i++ )
1012 tk = &p_sys->track[i];
1014 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1015 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1016 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1018 bo_addle_str16( &bo, tk->psz_name );
1019 bo_addle_u16( &bo, 0 );
1020 if( tk->i_cat == AUDIO_ES )
1022 bo_addle_u16( &bo, 2 );
1023 bo_addle_u16( &bo, tk->i_tag );
1025 else if( tk->i_cat == VIDEO_ES )
1027 bo_addle_u16( &bo, 4 );
1028 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1033 bo_add_guid ( &bo, &asf_object_data_guid );
1034 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1035 bo_add_guid ( &bo, &p_sys->fid );
1036 bo_addle_u64( &bo, p_sys->i_packet_count );
1037 bo_addle_u16( &bo, 0x101 );
1042 /****************************************************************************
1044 ****************************************************************************/
1045 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1047 sout_mux_sys_t *p_sys = p_mux->p_sys;
1048 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1052 if( !p_sys->pk ) return 0;
1054 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1055 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1057 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1059 if( p_sys->b_asf_http )
1060 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1062 bo_add_u8 ( &bo, 0x82 );
1063 bo_addle_u16( &bo, 0 );
1064 bo_add_u8( &bo, 0x11 );
1065 bo_add_u8( &bo, 0x5d );
1066 bo_addle_u16( &bo, i_pad );
1067 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1068 p_sys->i_preroll_time );
1069 bo_addle_u16( &bo, 0 /* data->i_length */ );
1070 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1075 p_sys->i_packet_count++;
1080 static block_t *asf_packet_create( sout_mux_t *p_mux,
1081 asf_track_t *tk, block_t *data )
1083 sout_mux_sys_t *p_sys = p_mux->p_sys;
1085 int i_data = data->i_buffer;
1087 uint8_t *p_data= data->p_buffer;
1088 block_t *first = NULL, **last = &first;
1089 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1091 while( i_pos < i_data )
1096 if( p_sys->pk == NULL )
1098 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1099 /* reserve 14 bytes for the packet header */
1100 p_sys->i_pk_used = 14 + i_preheader;
1101 p_sys->i_pk_frame = 0;
1102 p_sys->i_pk_dts = data->i_dts;
1105 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1106 p_sys->i_packet_size - p_sys->i_pk_used );
1108 /* add payload (header size = 17) */
1109 i_payload = __MIN( i_data - i_pos,
1110 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1112 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1114 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1115 *last = asf_packet_flush( p_mux );
1116 last = &(*last)->p_next;
1120 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1121 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1122 0x80 | tk->i_id : tk->i_id );
1123 bo_add_u8 ( &bo, tk->i_sequence );
1124 bo_addle_u32( &bo, i_pos );
1125 bo_add_u8 ( &bo, 0x08 ); /* flags */
1126 bo_addle_u32( &bo, i_data );
1127 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1128 p_sys->i_preroll_time );
1129 bo_addle_u16( &bo, i_payload );
1130 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1132 p_sys->i_pk_used += 17 + i_payload;
1134 p_sys->i_pk_frame++;
1136 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1138 /* Not enough data for another payload, flush the packet */
1139 *last = asf_packet_flush( p_mux );
1140 last = &(*last)->p_next;
1145 block_Release( data );
1150 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1152 sout_mux_sys_t *p_sys = p_mux->p_sys;
1154 block_t *out = NULL;
1157 if( p_sys->b_asf_http )
1159 out = block_New( p_mux, 12 );
1160 bo_init( &bo, out->p_buffer, 12 );
1161 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1166 out = block_New( p_mux, 56 );
1167 bo_init( &bo, out->p_buffer, 56 );
1168 bo_add_guid ( &bo, &asf_object_index_guid );
1169 bo_addle_u64( &bo, 56 );
1170 bo_add_guid ( &bo, &p_sys->fid );
1171 bo_addle_u64( &bo, 10000000 );
1172 bo_addle_u32( &bo, 5 );
1173 bo_addle_u32( &bo, 0 );