1 /*****************************************************************************
2 * asf.c: asf muxer module for vlc
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <vlc/input.h>
35 /*****************************************************************************
37 *****************************************************************************/
38 static int Open ( vlc_object_t * );
39 static void Close ( vlc_object_t * );
41 #define SOUT_CFG_PREFIX "sout-asf-"
43 #define TITLE_TEXT N_("Title")
44 #define TITLE_LONGTEXT N_("Allows you to define the title that will be put " \
46 #define AUTHOR_TEXT N_("Author")
47 #define AUTHOR_LONGTEXT N_("Allows you to define the author that will be put "\
49 #define COPYRIGHT_TEXT N_("Copyright")
50 #define COPYRIGHT_LONGTEXT N_("Allows you to define the copyright string " \
51 "that will be put in ASF comments.")
52 #define COMMENT_TEXT N_("Comment")
53 #define COMMENT_LONGTEXT N_("Allows you to define the comment that will be " \
54 "put in ASF comments.")
55 #define RATING_TEXT N_("Rating")
56 #define RATING_LONGTEXT N_("Allows you to define the \"rating\" that will " \
57 "be put in ASF comments.")
60 set_description( _("ASF muxer") );
61 set_capability( "sout mux", 5 );
62 add_shortcut( "asf" );
63 add_shortcut( "asfh" );
64 set_callbacks( Open, Close );
66 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
68 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
69 AUTHOR_LONGTEXT, VLC_TRUE );
70 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
71 COPYRIGHT_LONGTEXT, VLC_TRUE );
72 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
73 COMMENT_LONGTEXT, VLC_TRUE );
74 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
75 RATING_LONGTEXT, VLC_TRUE );
78 /*****************************************************************************
80 *****************************************************************************/
81 static const char *ppsz_sout_options[] = {
82 "title", "author", "copyright", "comment", "rating", NULL
85 static int Control ( sout_mux_t *, int, va_list );
86 static int AddStream( sout_mux_t *, sout_input_t * );
87 static int DelStream( sout_mux_t *, sout_input_t * );
88 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 */
116 struct sout_mux_sys_t
118 guid_t fid; /* file id */
120 int64_t i_packet_count;
123 mtime_t i_preroll_time;
127 asf_track_t track[128];
129 vlc_bool_t b_write_header;
136 vlc_bool_t b_asf_http;
147 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
149 static block_t *asf_header_create( sout_mux_t *, vlc_bool_t b_broadcast );
150 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
151 static block_t *asf_stream_end_create( sout_mux_t *);
160 static void bo_init ( bo_t *, uint8_t *, int );
161 static void bo_add_u8 ( bo_t *, uint8_t );
162 static void bo_addle_u16( bo_t *, uint16_t );
163 static void bo_addle_u32( bo_t *, uint32_t );
164 static void bo_addle_u64( bo_t *, uint64_t );
165 static void bo_add_mem ( bo_t *, uint8_t *, int );
167 static void bo_addle_str16( bo_t *, char * );
169 /*****************************************************************************
171 *****************************************************************************/
172 static int Open( vlc_object_t *p_this )
174 sout_mux_t *p_mux = (sout_mux_t*)p_this;
175 sout_mux_sys_t *p_sys;
179 msg_Dbg( p_mux, "Asf muxer opened" );
180 sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
182 p_mux->pf_control = Control;
183 p_mux->pf_addstream = AddStream;
184 p_mux->pf_delstream = DelStream;
187 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
188 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
189 if( p_sys->b_asf_http )
191 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
194 p_sys->i_pk_used = 0;
195 p_sys->i_pk_frame = 0;
196 p_sys->i_dts_first = -1;
197 p_sys->i_dts_last = 0;
198 p_sys->i_preroll_time = 2000;
199 p_sys->i_bitrate = 0;
202 p_sys->b_write_header = VLC_TRUE;
204 p_sys->i_packet_size = 4096;
205 p_sys->i_packet_count= 0;
207 /* Generate a random fid */
208 srand( mdate() & 0xffffffff );
209 p_sys->fid.v1 = 0xbabac001;
210 p_sys->fid.v2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
211 p_sys->fid.v3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
212 for( i = 0; i < 8; i++ )
214 p_sys->fid.v4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
218 var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
219 p_sys->psz_title = val.psz_string;
221 var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
222 p_sys->psz_author = val.psz_string;
224 var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
225 p_sys->psz_copyright = val.psz_string;
227 var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
228 p_sys->psz_comment = val.psz_string;
230 var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
231 p_sys->psz_rating = val.psz_string;
233 msg_Dbg( p_mux, "meta data: title='%s' author='%s' copyright='%s' "
234 "comment='%s' rating='%s'",
235 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
236 p_sys->psz_comment, p_sys->psz_rating );
241 /*****************************************************************************
243 *****************************************************************************/
244 static void Close( vlc_object_t * p_this )
246 sout_mux_t *p_mux = (sout_mux_t*)p_this;
247 sout_mux_sys_t *p_sys = p_mux->p_sys;
251 msg_Dbg( p_mux, "Asf muxer closed" );
253 if( ( out = asf_stream_end_create( p_mux ) ) )
255 sout_AccessOutWrite( p_mux->p_access, out );
259 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
261 out = asf_header_create( p_mux, VLC_FALSE );
262 sout_AccessOutWrite( p_mux->p_access, out );
265 for( i = 1; i < p_sys->i_track; i++ )
267 free( p_sys->track[i].p_extra );
272 /*****************************************************************************
274 *****************************************************************************/
275 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
277 sout_mux_sys_t *p_sys = p_mux->p_sys;
283 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
284 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
285 if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
286 else *pb_bool = VLC_FALSE;
289 case MUX_GET_ADD_STREAM_WAIT:
290 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
291 *pb_bool = VLC_FALSE;
295 ppsz = (char**)va_arg( args, char ** );
296 if( p_sys->b_asf_http )
297 *ppsz = strdup( "video/x-ms-asf-stream" );
299 *ppsz = strdup( "video/x-ms-asf" );
307 /*****************************************************************************
309 *****************************************************************************/
310 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
312 sout_mux_sys_t *p_sys = p_mux->p_sys;
316 msg_Dbg( p_mux, "adding input" );
317 if( p_sys->i_track > 127 )
319 msg_Dbg( p_mux, "cannot add this track (too much track)" );
323 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
324 tk->i_id = p_sys->i_track;
325 tk->i_cat = p_input->p_fmt->i_cat;
332 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
333 int i_bitspersample = 0;
336 switch( p_input->p_fmt->i_codec )
338 case VLC_FOURCC( 'a', '5', '2', ' ' ):
339 tk->i_tag = WAVE_FORMAT_A52;
340 tk->psz_name = "A/52";
342 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
344 tk->psz_name = "MPEG Audio Layer 3";
345 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
350 tk->psz_name = "MPEG Audio Layer 1/2";
351 tk->i_tag = WAVE_FORMAT_MPEG;
356 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
357 tk->psz_name = "Windows Media Audio 1";
358 tk->i_tag = WAVE_FORMAT_WMA1;
360 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
361 tk->psz_name = "Windows Media Audio 2";
362 tk->i_tag = WAVE_FORMAT_WMA2;
364 case VLC_FOURCC( 'w', 'm', 'a', '3' ):
365 tk->psz_name = "Windows Media Audio 3";
366 tk->i_tag = WAVE_FORMAT_WMA3;
369 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
370 tk->psz_name = "Raw audio 8bits";
371 tk->i_tag = WAVE_FORMAT_PCM;
372 i_blockalign= p_input->p_fmt->audio.i_channels;
375 case VLC_FOURCC( 's', '1', '6', 'l' ):
376 tk->psz_name = "Raw audio 16bits";
377 tk->i_tag = WAVE_FORMAT_PCM;
378 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
379 i_bitspersample = 16;
381 case VLC_FOURCC( 's', '2', '4', 'l' ):
382 tk->psz_name = "Raw audio 24bits";
383 tk->i_tag = WAVE_FORMAT_PCM;
384 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
385 i_bitspersample = 24;
387 case VLC_FOURCC( 's', '3', '2', 'l' ):
388 tk->psz_name = "Raw audio 32bits";
389 tk->i_tag = WAVE_FORMAT_PCM;
390 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
391 i_bitspersample = 32;
398 tk->i_extra = sizeof( WAVEFORMATEX ) +
399 p_input->p_fmt->i_extra + i_extra;
400 tk->p_extra = malloc( tk->i_extra );
401 bo_init( &bo, tk->p_extra, tk->i_extra );
402 bo_addle_u16( &bo, tk->i_tag );
403 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
404 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
405 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
406 bo_addle_u16( &bo, i_blockalign );
407 bo_addle_u16( &bo, i_bitspersample );
408 if( p_input->p_fmt->i_extra > 0 )
410 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
411 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
412 p_input->p_fmt->i_extra );
416 bo_addle_u16( &bo, i_extra );
417 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
419 msg_Dbg( p_mux, "adding mp3 header" );
420 bo_addle_u16( &bo, 1 ); /* wId */
421 bo_addle_u32( &bo, 2 ); /* fdwFlags */
422 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
423 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
424 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
426 else if( tk->i_tag == WAVE_FORMAT_MPEG )
428 msg_Dbg( p_mux, "adding mp2 header" );
429 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
430 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
431 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
432 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
433 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
434 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
435 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
436 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
440 if( p_input->p_fmt->i_bitrate > 24000 )
442 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
446 p_sys->i_bitrate += 512000;
452 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
453 p_input->p_fmt->i_extra;
454 tk->p_extra = malloc( tk->i_extra );
455 bo_init( &bo, tk->p_extra, tk->i_extra );
456 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
457 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
458 bo_add_u8 ( &bo, 0x02 ); /* flags */
459 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
460 p_input->p_fmt->i_extra );
461 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
462 p_input->p_fmt->i_extra );
463 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
464 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
465 bo_addle_u16( &bo, 1 );
466 bo_addle_u16( &bo, 24 );
467 if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
469 tk->psz_name = "MPEG-4 Video";
470 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
472 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
474 tk->psz_name = "MSMPEG-4 V3 Video";
475 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
477 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
479 tk->psz_name = "MSMPEG-4 V2 Video";
480 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
482 else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
484 tk->psz_name = "MSMPEG-4 V1 Video";
485 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
487 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
489 tk->psz_name = "Windows Media Video 1";
490 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
492 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
494 tk->psz_name = "Windows Media Video 2";
495 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
497 else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
499 tk->psz_name = "Windows Media Video 3";
500 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
504 tk->psz_name = _("Unknown Video");
505 tk->i_fourcc = p_input->p_fmt->i_codec;
507 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
508 bo_addle_u32( &bo, 0 );
509 bo_addle_u32( &bo, 0 );
510 bo_addle_u32( &bo, 0 );
511 bo_addle_u32( &bo, 0 );
512 bo_addle_u32( &bo, 0 );
513 if( p_input->p_fmt->i_extra > 0 )
515 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
516 p_input->p_fmt->i_extra );
519 if( p_input->p_fmt->i_bitrate > 50000 )
521 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
525 p_sys->i_bitrate += 1000000;
530 msg_Err(p_mux, "unhandled track type" );
538 /*****************************************************************************
540 *****************************************************************************/
541 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
543 msg_Dbg( p_mux, "removing input" );
547 /*****************************************************************************
549 *****************************************************************************/
550 static int Mux( sout_mux_t *p_mux )
552 sout_mux_sys_t *p_sys = p_mux->p_sys;
554 if( p_sys->b_write_header )
556 block_t *out = asf_header_create( p_mux, VLC_TRUE );
558 out->i_flags |= BLOCK_FLAG_HEADER;
559 sout_AccessOutWrite( p_mux->p_access, out );
561 p_sys->b_write_header = VLC_FALSE;
566 sout_input_t *p_input;
573 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
575 /* not enough data */
579 if( p_sys->i_dts_first < 0 )
581 p_sys->i_dts_first = i_dts;
583 if( p_sys->i_dts_last < i_dts )
585 p_sys->i_dts_last = i_dts;
588 p_input = p_mux->pp_inputs[i_stream];
589 tk = (asf_track_t*)p_input->p_sys;
591 data = block_FifoGet( p_input->p_fifo );
593 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
595 sout_AccessOutWrite( p_mux->p_access, pk );
602 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
608 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
610 sout_input_t *p_input = p_mux->pp_inputs[i];
613 if( p_input->p_fifo->i_depth <= 0 )
615 if( p_input->p_fmt->i_cat == AUDIO_ES ||
616 p_input->p_fmt->i_cat == VIDEO_ES )
618 /* We need that audio+video fifo contain at least 1 packet */
625 p_data = block_FifoShow( p_input->p_fifo );
626 if( i_stream == -1 || p_data->i_dts < i_dts )
629 i_dts = p_data->i_dts;
633 *pi_stream = i_stream;
639 /****************************************************************************
640 * Asf header construction
641 ****************************************************************************/
643 /****************************************************************************
645 ****************************************************************************/
646 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
648 p_bo->i_buffer_size = i_size;
650 p_bo->p_buffer = p_buffer;
652 static void bo_add_u8( bo_t *p_bo, uint8_t i )
654 if( p_bo->i_buffer < p_bo->i_buffer_size )
656 p_bo->p_buffer[p_bo->i_buffer] = i;
660 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
662 bo_add_u8( p_bo, i &0xff );
663 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
665 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
667 bo_addle_u16( p_bo, i &0xffff );
668 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
670 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
672 bo_addle_u32( p_bo, i &0xffffffff );
673 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
676 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
678 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
682 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
684 p_bo->i_buffer += i_size;
687 static void bo_addle_str16( bo_t *bo, char *str )
689 bo_addle_u16( bo, strlen( str ) + 1 );
692 uint16_t c = (uint8_t)*str++;
693 bo_addle_u16( bo, c );
694 if( c == '\0' ) break;
698 static void bo_addle_str16_nosize( bo_t *bo, char *str )
702 uint16_t c = (uint8_t)*str++;
703 bo_addle_u16( bo, c );
704 if( c == '\0' ) break;
708 /****************************************************************************
710 ****************************************************************************/
711 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
714 bo_addle_u32( p_bo, id->v1 );
715 bo_addle_u16( p_bo, id->v2 );
716 bo_addle_u16( p_bo, id->v3 );
717 for( i = 0; i < 8; i++ )
719 bo_add_u8( p_bo, id->v4[i] );
723 static const guid_t asf_object_header_guid =
728 { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
730 static const guid_t asf_object_data_guid =
735 { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
737 static const guid_t asf_object_file_properties_guid =
742 { 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
745 static const guid_t asf_object_stream_properties_guid =
750 { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
753 static const guid_t asf_object_header_extention_guid =
758 { 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
760 static const guid_t asf_object_stream_type_audio =
765 { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
768 static const guid_t asf_object_stream_type_video =
773 { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
776 static const guid_t asf_guid_audio_conceal_none =
781 { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
783 static const guid_t asf_guid_video_conceal_none =
788 { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
790 static const guid_t asf_guid_reserved_1 =
795 { 0x8E, 0xE6,0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65 }
797 static const guid_t asf_object_codec_comment_guid =
802 { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
804 static const guid_t asf_object_codec_comment_reserved_guid =
809 { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
811 static const guid_t asf_object_content_description_guid =
816 { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c }
819 static void asf_chunk_add( bo_t *bo,
820 int i_type, int i_len, int i_flags, int i_seq )
822 bo_addle_u16( bo, i_type );
823 bo_addle_u16( bo, i_len + 8 );
824 bo_addle_u32( bo, i_seq );
825 bo_addle_u16( bo, i_flags );
826 bo_addle_u16( bo, i_len + 8 );
829 static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
831 sout_mux_sys_t *p_sys = p_mux->p_sys;
834 mtime_t i_duration = 0;
842 msg_Dbg( p_mux, "Asf muxer creating header" );
844 if( p_sys->i_dts_first > 0 )
846 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
847 if( i_duration < 0 ) i_duration = 0;
850 /* calculate header size */
851 i_size = 30 + 104 + 46;
853 for( i = 1; i < p_sys->i_track; i++ )
855 i_size += 78 + p_sys->track[i].i_extra;
856 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
857 if( p_sys->track[i].i_cat == AUDIO_ES )
861 else if( p_sys->track[i].i_cat == VIDEO_ES )
867 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
868 *p_sys->psz_comment || *p_sys->psz_rating )
870 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
871 strlen( p_sys->psz_author ) + 1 +
872 strlen( p_sys->psz_copyright ) + 1 +
873 strlen( p_sys->psz_comment ) + 1 +
874 strlen( p_sys->psz_rating ) + 1 );
877 i_size += i_ci_size + i_cd_size;
879 if( p_sys->b_asf_http )
881 out = block_New( p_mux, i_size + 50 + 12 );
882 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
883 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
887 out = block_New( p_mux, i_size + 50 );
888 bo_init( &bo, out->p_buffer, i_size + 50 );
892 bo_add_guid ( &bo, &asf_object_header_guid );
893 bo_addle_u64( &bo, i_size );
894 bo_addle_u32( &bo, 2 + p_sys->i_track - 1 );
895 bo_add_u8 ( &bo, 1 );
896 bo_add_u8 ( &bo, 2 );
900 /* file properties */
901 bo_add_guid ( &bo, &asf_object_file_properties_guid );
902 bo_addle_u64( &bo, 104 );
903 bo_add_guid ( &bo, &p_sys->fid );
904 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
905 p_sys->i_packet_size ); /* file size */
906 bo_addle_u64( &bo, 0 ); /* creation date */
907 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
908 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
909 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
910 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
911 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x00); /* flags */
912 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
913 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
914 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
916 /* header extention */
917 bo_add_guid ( &bo, &asf_object_header_extention_guid );
918 bo_addle_u64( &bo, 46 );
919 bo_add_guid ( &bo, &asf_guid_reserved_1 );
920 bo_addle_u16( &bo, 6 );
921 bo_addle_u32( &bo, 0 );
923 /* content description header */
926 bo_add_guid ( &bo, &asf_object_content_description_guid );
927 bo_addle_u64( &bo, i_cd_size );
928 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
929 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
930 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
931 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
932 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
934 bo_addle_str16_nosize( &bo, p_sys->psz_title );
935 bo_addle_str16_nosize( &bo, p_sys->psz_author );
936 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
937 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
938 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
941 /* stream properties */
942 for( i = 1; i < p_sys->i_track; i++ )
944 tk = &p_sys->track[i];
946 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
947 bo_addle_u64( &bo, 78 + tk->i_extra );
948 if( tk->i_cat == AUDIO_ES )
950 bo_add_guid( &bo, &asf_object_stream_type_audio );
951 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
953 else if( tk->i_cat == VIDEO_ES )
955 bo_add_guid( &bo, &asf_object_stream_type_video );
956 bo_add_guid( &bo, &asf_guid_video_conceal_none );
958 bo_addle_u64( &bo, 0 ); /* time offset */
959 bo_addle_u32( &bo, tk->i_extra );
960 bo_addle_u32( &bo, 0 ); /* 0 */
961 bo_addle_u16( &bo, tk->i_id ); /* stream number */
962 bo_addle_u32( &bo, 0 );
963 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
967 bo_add_guid ( &bo, &asf_object_codec_comment_guid );
968 bo_addle_u64( &bo, i_ci_size );
969 bo_add_guid ( &bo, &asf_object_codec_comment_reserved_guid );
970 bo_addle_u32( &bo, p_sys->i_track - 1 );
971 for( i = 1; i < p_sys->i_track; i++ )
973 tk = &p_sys->track[i];
975 bo_addle_u16( &bo, tk->i_id );
976 bo_addle_str16( &bo, tk->psz_name );
977 bo_addle_u16( &bo, 0 );
978 if( tk->i_cat == AUDIO_ES )
980 bo_addle_u16( &bo, 2 );
981 bo_addle_u16( &bo, tk->i_tag );
983 else if( tk->i_cat == VIDEO_ES )
985 bo_addle_u16( &bo, 4 );
986 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
992 bo_add_guid ( &bo, &asf_object_data_guid );
993 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
994 bo_add_guid ( &bo, &p_sys->fid );
995 bo_addle_u64( &bo, p_sys->i_packet_count );
996 bo_addle_u16( &bo, 0x101 );
1001 /****************************************************************************
1003 ****************************************************************************/
1004 static block_t *asf_packet_create( sout_mux_t *p_mux,
1005 asf_track_t *tk, block_t *data )
1007 sout_mux_sys_t *p_sys = p_mux->p_sys;
1009 int i_data = data->i_buffer;
1011 uint8_t *p_data= data->p_buffer;
1012 block_t *first = NULL, **last = &first;
1013 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1015 while( i_pos < i_data )
1020 if( p_sys->pk == NULL )
1022 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1023 /* reserve 14 bytes for the packet header */
1024 p_sys->i_pk_used = 14 + i_preheader;
1025 p_sys->i_pk_frame = 0;
1026 p_sys->i_pk_dts = data->i_dts;
1029 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1030 p_sys->i_packet_size - p_sys->i_pk_used );
1032 /* add payload (header size = 17) */
1033 i_payload = __MIN( i_data - i_pos,
1034 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1035 bo_add_u8 ( &bo, 0x80 | tk->i_id );
1036 bo_add_u8 ( &bo, tk->i_sequence );
1037 bo_addle_u32( &bo, i_pos );
1038 bo_add_u8 ( &bo, 0x08 ); /* flags */
1039 bo_addle_u32( &bo, i_data );
1040 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 -
1041 p_sys->i_preroll_time );
1042 bo_addle_u16( &bo, i_payload );
1043 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1045 p_sys->i_pk_used += 17 + i_payload;
1047 p_sys->i_pk_frame++;
1049 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1051 /* not enough data for another payload, flush the packet */
1052 int i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1054 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1056 if( p_sys->b_asf_http )
1058 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size,
1059 0x00, p_sys->i_seq++);
1061 bo_add_u8 ( &bo, 0x82 );
1062 bo_addle_u16( &bo, 0 );
1063 bo_add_u8( &bo, 0x11 );
1064 bo_add_u8( &bo, 0x5d );
1065 bo_addle_u16( &bo, i_pad );
1066 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 -
1067 p_sys->i_preroll_time );
1068 bo_addle_u16( &bo, 0 * data->i_length / 1000 );
1069 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1071 /* append the packet */
1073 last = &p_sys->pk->p_next;
1077 p_sys->i_packet_count++;
1082 block_Release( data );
1087 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1089 sout_mux_sys_t *p_sys = p_mux->p_sys;
1091 block_t *out = NULL;
1094 if( p_sys->b_asf_http )
1096 out = block_New( p_mux, 12 );
1097 bo_init( &bo, out->p_buffer, 12 );
1098 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );