1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 VideoLAN
5 * $Id: asf.c,v 1.7 2003/08/29 19:49:33 fenrir Exp $
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 * );
42 set_description( _("Asf muxer") );
43 set_capability( "sout mux", 5 );
44 add_shortcut( "asf" );
45 add_shortcut( "asfh" );
46 set_callbacks( Open, Close );
49 /*****************************************************************************
51 *****************************************************************************/
52 static int Capability(sout_mux_t *, int, void *, void * );
53 static int AddStream( sout_mux_t *, sout_input_t * );
54 static int DelStream( sout_mux_t *, sout_input_t * );
55 static int Mux ( sout_mux_t * );
70 /* codec informations */
71 uint16_t i_tag; /* for audio */
72 vlc_fourcc_t i_fourcc; /* for video */
73 char *psz_name; /* codec name */
83 guid_t fid; /* file id */
85 int64_t i_packet_count;
91 asf_track_t track[128];
93 vlc_bool_t b_write_header;
100 vlc_bool_t b_asf_http;
111 static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
113 static sout_buffer_t *asf_header_create( sout_mux_t *, vlc_bool_t b_broadcast );
114 static sout_buffer_t *asf_packet_create( sout_mux_t *,
115 asf_track_t *, sout_buffer_t * );
116 static sout_buffer_t *asf_stream_end_create( sout_mux_t *);
125 static void bo_init ( bo_t *, uint8_t *, int );
126 static void bo_add_u8 ( bo_t *, uint8_t );
127 static void bo_addle_u16( bo_t *, uint16_t );
128 static void bo_addle_u32( bo_t *, uint32_t );
129 static void bo_addle_u64( bo_t *, uint64_t );
130 static void bo_add_mem ( bo_t *, uint8_t *, int );
132 static void bo_addle_str16( bo_t *, char * );
134 /*****************************************************************************
136 *****************************************************************************/
137 static int Open( vlc_object_t *p_this )
139 sout_mux_t *p_mux = (sout_mux_t*)p_this;
140 sout_mux_sys_t *p_sys;
143 msg_Dbg( p_mux, "Asf muxer opened" );
145 p_mux->pf_capacity = Capability;
146 p_mux->pf_addstream = AddStream;
147 p_mux->pf_delstream = DelStream;
150 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
151 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
152 if( p_sys->b_asf_http )
154 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
157 p_sys->i_pk_used = 0;
158 p_sys->i_pk_frame = 0;
159 p_sys->i_dts_first = -1;
160 p_sys->i_dts_last = 0;
161 p_sys->i_bitrate = 0;
164 p_sys->b_write_header = VLC_TRUE;
166 p_sys->i_packet_size = 4096;
167 p_sys->i_packet_count= 0;
168 /* generate a random fid */
169 srand( mdate() & 0xffffffff );
170 p_sys->fid.v1 = 0xbabac001;
171 p_sys->fid.v2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
172 p_sys->fid.v3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
173 for( i = 0; i < 8; i++ )
175 p_sys->fid.v4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
178 p_sys->psz_title = sout_cfg_find_value( p_mux->p_cfg, "title" );
179 p_sys->psz_author = sout_cfg_find_value( p_mux->p_cfg, "author" );
180 p_sys->psz_copyright= sout_cfg_find_value( p_mux->p_cfg, "copyright" );
181 p_sys->psz_comment = sout_cfg_find_value( p_mux->p_cfg, "comment" );
182 p_sys->psz_rating = sout_cfg_find_value( p_mux->p_cfg, "rating" );
183 if( p_sys->psz_title == NULL )
185 p_sys->psz_title = "";
187 if( p_sys->psz_author == NULL )
189 p_sys->psz_author = "";
191 if( p_sys->psz_copyright == NULL )
193 p_sys->psz_copyright = "";
195 if( p_sys->psz_comment == NULL )
197 p_sys->psz_comment = "";
199 if( p_sys->psz_rating == NULL )
201 p_sys->psz_rating = "";
204 "meta data: title='%s' author='%s' copyright='%s' comment='%s' rating='%s'",
205 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
206 p_sys->psz_comment, p_sys->psz_rating );
211 /*****************************************************************************
213 *****************************************************************************/
214 static void Close( vlc_object_t * p_this )
216 sout_mux_t *p_mux = (sout_mux_t*)p_this;
217 sout_mux_sys_t *p_sys = p_mux->p_sys;
221 msg_Dbg( p_mux, "Asf muxer closed" );
223 if( ( out = asf_stream_end_create( p_mux ) ) )
225 sout_AccessOutWrite( p_mux->p_access, out );
229 if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
231 out = asf_header_create( p_mux, VLC_FALSE );
232 sout_AccessOutWrite( p_mux->p_access, out );
235 for( i = 1; i < p_sys->i_track; i++ )
237 free( p_sys->track[i].p_extra );
242 /*****************************************************************************
244 *****************************************************************************/
245 static int Capability( sout_mux_t *p_mux, int i_query,
246 void *p_args, void *p_answer )
250 case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
251 *(vlc_bool_t*)p_answer = VLC_FALSE;
252 return( SOUT_MUX_CAP_ERR_OK );
254 return( SOUT_MUX_CAP_ERR_UNIMPLEMENTED );
258 /*****************************************************************************
260 *****************************************************************************/
261 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
263 sout_mux_sys_t *p_sys = p_mux->p_sys;
267 msg_Dbg( p_mux, "adding input" );
268 if( p_sys->i_track > 127 )
270 msg_Dbg( p_mux, "cannot add this track (too much track)" );
274 tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
275 tk->i_id = p_sys->i_track;
276 tk->i_cat = p_input->p_fmt->i_cat;
283 int i_blockalign = p_input->p_fmt->i_block_align;
284 int i_bitspersample = 0;
287 switch( p_input->p_fmt->i_fourcc )
289 case VLC_FOURCC( 'a', '5', '2', ' ' ):
290 tk->i_tag = WAVE_FORMAT_A52;
291 tk->psz_name = "A/52";
293 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
295 tk->psz_name = "MPEG Audio Layer 3";
296 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
301 tk->psz_name = "MPEG Audio Layer 1/2";
302 tk->i_tag = WAVE_FORMAT_MPEG;
307 case VLC_FOURCC( 'w', 'm', 'a', '1' ):
308 tk->psz_name = "Windows Media Audio 1";
309 tk->i_tag = WAVE_FORMAT_WMA1;
311 case VLC_FOURCC( 'w', 'm', 'a', '2' ):
312 tk->psz_name = "Windows Media Audio 2";
313 tk->i_tag = WAVE_FORMAT_WMA2;
315 case VLC_FOURCC( 'w', 'm', 'a', '3' ):
316 tk->psz_name = "Windows Media Audio 3";
317 tk->i_tag = WAVE_FORMAT_WMA3;
320 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
321 tk->psz_name = "Raw audio 8bits";
322 tk->i_tag = WAVE_FORMAT_PCM;
323 i_blockalign= p_input->p_fmt->i_channels;
326 case VLC_FOURCC( 's', '1', '6', 'l' ):
327 tk->psz_name = "Raw audio 16bits";
328 tk->i_tag = WAVE_FORMAT_PCM;
329 i_blockalign= 2 * p_input->p_fmt->i_channels;
330 i_bitspersample = 16;
332 case VLC_FOURCC( 's', '2', '4', 'l' ):
333 tk->psz_name = "Raw audio 24bits";
334 tk->i_tag = WAVE_FORMAT_PCM;
335 i_blockalign= 3 * p_input->p_fmt->i_channels;
336 i_bitspersample = 24;
338 case VLC_FOURCC( 's', '3', '2', 'l' ):
339 tk->psz_name = "Raw audio 32bits";
340 tk->i_tag = WAVE_FORMAT_PCM;
341 i_blockalign= 4 * p_input->p_fmt->i_channels;
342 i_bitspersample = 32;
349 tk->i_extra = sizeof( WAVEFORMATEX ) +
350 p_input->p_fmt->i_extra_data + i_extra;
351 tk->p_extra = malloc( tk->i_extra );
352 bo_init( &bo, tk->p_extra, tk->i_extra );
353 bo_addle_u16( &bo, tk->i_tag );
354 bo_addle_u16( &bo, p_input->p_fmt->i_channels );
355 bo_addle_u32( &bo, p_input->p_fmt->i_sample_rate );
356 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
357 bo_addle_u16( &bo, i_blockalign );
358 bo_addle_u16( &bo, i_bitspersample );
359 if( p_input->p_fmt->i_extra_data > 0 )
361 bo_addle_u16( &bo, p_input->p_fmt->i_extra_data );
362 bo_add_mem ( &bo, p_input->p_fmt->p_extra_data,
363 p_input->p_fmt->i_extra_data );
367 bo_addle_u16( &bo, i_extra );
368 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
370 msg_Dbg( p_mux, "adding mp3 header" );
371 bo_addle_u16( &bo, 1 ); /* wId */
372 bo_addle_u32( &bo, 2 ); /* fdwFlags */
373 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
374 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
375 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
377 else if( tk->i_tag == WAVE_FORMAT_MPEG )
379 msg_Dbg( p_mux, "adding mp2 header" );
380 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
381 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
382 bo_addle_u16( &bo, p_input->p_fmt->i_channels == 2 ?1:8 );
383 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
384 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
385 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
386 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
387 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
391 if( p_input->p_fmt->i_bitrate > 24000 )
393 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
397 p_sys->i_bitrate += 512000;
403 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
404 p_input->p_fmt->i_extra_data;
405 tk->p_extra = malloc( tk->i_extra );
406 bo_init( &bo, tk->p_extra, tk->i_extra );
407 bo_addle_u32( &bo, p_input->p_fmt->i_width );
408 bo_addle_u32( &bo, p_input->p_fmt->i_height );
409 bo_add_u8 ( &bo, 0x02 ); /* flags */
410 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
411 p_input->p_fmt->i_extra_data );
412 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
413 p_input->p_fmt->i_extra_data );
414 bo_addle_u32( &bo, p_input->p_fmt->i_width );
415 bo_addle_u32( &bo, p_input->p_fmt->i_height );
416 bo_addle_u16( &bo, 1 );
417 bo_addle_u16( &bo, 24 );
418 if( p_input->p_fmt->i_fourcc == VLC_FOURCC('m','p','4','v') )
420 tk->psz_name = "MPEG-4 Video";
421 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
423 else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','3') )
425 tk->psz_name = "MSMPEG-4 V3 Video";
426 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
428 else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','2') )
430 tk->psz_name = "MSMPEG-4 V2 Video";
431 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
433 else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','1') )
435 tk->psz_name = "MSMPEG-4 V1 Video";
436 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
438 else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('W','M','V','1') )
440 tk->psz_name = "Windows Media Video 1";
441 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
443 else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('W','M','V','2') )
445 tk->psz_name = "Windows Media Video 2";
446 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
450 tk->psz_name = "Unknow Video";
451 tk->i_fourcc = p_input->p_fmt->i_fourcc;
453 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
454 bo_addle_u32( &bo, 0 );
455 bo_addle_u32( &bo, 0 );
456 bo_addle_u32( &bo, 0 );
457 bo_addle_u32( &bo, 0 );
458 bo_addle_u32( &bo, 0 );
459 if( p_input->p_fmt->i_extra_data > 0 )
461 bo_add_mem ( &bo, p_input->p_fmt->p_extra_data,
462 p_input->p_fmt->i_extra_data );
465 if( p_input->p_fmt->i_bitrate > 50000 )
467 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
471 p_sys->i_bitrate += 1000000;
476 msg_Err(p_mux, "unhandled track type" );
484 /*****************************************************************************
486 *****************************************************************************/
487 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
489 msg_Dbg( p_mux, "removing input" );
493 /*****************************************************************************
495 *****************************************************************************/
496 static int Mux ( sout_mux_t *p_mux )
498 sout_mux_sys_t *p_sys = p_mux->p_sys;
500 if( p_sys->b_write_header )
502 sout_buffer_t *out = asf_header_create( p_mux, VLC_TRUE );
504 out->i_flags |= SOUT_BUFFER_FLAGS_HEADER;
505 sout_AccessOutWrite( p_mux->p_access, out );
507 p_sys->b_write_header = VLC_FALSE;
512 sout_input_t *p_input;
519 if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
521 /* not enough data */
525 if( p_sys->i_dts_first < 0 )
527 p_sys->i_dts_first = i_dts;
529 if( p_sys->i_dts_last < i_dts )
531 p_sys->i_dts_last = i_dts;
534 p_input = p_mux->pp_inputs[i_stream];
535 tk = (asf_track_t*)p_input->p_sys;
537 data = sout_FifoGet( p_input->p_fifo );
539 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
541 sout_AccessOutWrite( p_mux->p_access, pk );
549 static int MuxGetStream( sout_mux_t *p_mux,
557 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
559 sout_input_t *p_input = p_mux->pp_inputs[i];
560 sout_buffer_t *p_data;
562 if( p_input->p_fifo->i_depth <= 0 )
564 if( p_input->p_fmt->i_cat == AUDIO_ES ||
565 p_input->p_fmt->i_cat == VIDEO_ES )
567 /* We need that audio+video fifo contain at least 1 packet */
574 p_data = sout_FifoShow( p_input->p_fifo );
575 if( i_stream == -1 ||
576 p_data->i_dts < i_dts )
579 i_dts = p_data->i_dts;
583 *pi_stream = i_stream;
589 /****************************************************************************
590 * Asf header construction
591 ****************************************************************************/
593 /****************************************************************************
595 ****************************************************************************/
596 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
598 p_bo->i_buffer_size = i_size;
600 p_bo->p_buffer = p_buffer;
602 static void bo_add_u8( bo_t *p_bo, uint8_t i )
604 if( p_bo->i_buffer < p_bo->i_buffer_size )
606 p_bo->p_buffer[p_bo->i_buffer] = i;
610 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
612 bo_add_u8( p_bo, i &0xff );
613 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
615 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
617 bo_addle_u16( p_bo, i &0xffff );
618 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
620 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
622 bo_addle_u32( p_bo, i &0xffffffff );
623 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
626 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
628 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
632 memcpy( &p_bo->p_buffer[p_bo->i_buffer],
636 p_bo->i_buffer += i_size;
639 static void bo_addle_str16( bo_t *bo, char *str )
641 bo_addle_u16( bo, strlen( str ) + 1 );
647 bo_addle_u16( bo, c );
655 static void bo_addle_str16_nosize( bo_t *bo, char *str )
662 bo_addle_u16( bo, c );
670 /****************************************************************************
672 ****************************************************************************/
673 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
676 bo_addle_u32( p_bo, id->v1 );
677 bo_addle_u16( p_bo, id->v2 );
678 bo_addle_u16( p_bo, id->v3 );
679 for( i = 0; i < 8; i++ )
681 bo_add_u8( p_bo, id->v4[i] );
685 static const guid_t asf_object_header_guid =
690 { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
692 static const guid_t asf_object_data_guid =
697 { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
700 static const guid_t asf_object_file_properties_guid =
705 { 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
708 static const guid_t asf_object_stream_properties_guid =
713 { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
716 static const guid_t asf_object_header_extention_guid =
721 { 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
724 static const guid_t asf_object_stream_type_audio =
729 { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
732 static const guid_t asf_object_stream_type_video =
737 { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
740 static const guid_t asf_guid_audio_conceal_none =
745 { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
747 static const guid_t asf_guid_video_conceal_none =
752 { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
754 static const guid_t asf_guid_reserved_1 =
759 { 0x8E, 0xE6,0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65 }
761 static const guid_t asf_object_codec_comment_guid =
766 { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
768 static const guid_t asf_object_codec_comment_reserved_guid =
773 { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
775 static const guid_t asf_object_content_description_guid =
780 { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c }
783 static void asf_chunk_add( bo_t *bo,
784 int i_type, int i_len, int i_flags, int i_seq )
786 bo_addle_u16( bo, i_type );
787 bo_addle_u16( bo, i_len + 8 );
788 bo_addle_u32( bo, i_seq );
789 bo_addle_u16( bo, i_flags );
790 bo_addle_u16( bo, i_len + 8 );
793 static sout_buffer_t *asf_header_create( sout_mux_t *p_mux,
794 vlc_bool_t b_broadcast )
796 sout_mux_sys_t *p_sys = p_mux->p_sys;
799 mtime_t i_duration = 0;
807 if( p_sys->i_dts_first > 0 )
809 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
816 /* calculate header size */
817 i_size = 30 + 104 + 46;
819 for( i = 1; i < p_sys->i_track; i++ )
821 i_size += 78 + p_sys->track[i].i_extra;
822 i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
823 if( p_sys->track[i].i_cat == AUDIO_ES )
827 else if( p_sys->track[i].i_cat == VIDEO_ES )
832 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
833 *p_sys->psz_comment || *p_sys->psz_rating )
835 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
836 strlen( p_sys->psz_author ) + 1 +
837 strlen( p_sys->psz_copyright ) + 1 +
838 strlen( p_sys->psz_comment ) + 1 +
839 strlen( p_sys->psz_rating ) + 1 );
842 i_size += i_ci_size + i_cd_size;
844 if( p_sys->b_asf_http )
846 out = sout_BufferNew( p_mux->p_sout, i_size + 50 + 12 );
847 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
848 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
852 out = sout_BufferNew( p_mux->p_sout, i_size + 50 );
853 bo_init( &bo, out->p_buffer, i_size + 50 );
856 bo_add_guid ( &bo, &asf_object_header_guid );
857 bo_addle_u64( &bo, i_size );
858 bo_addle_u32( &bo, 2 + p_sys->i_track - 1 );
859 bo_add_u8 ( &bo, 1 );
860 bo_add_u8 ( &bo, 2 );
864 /* file properties */
865 bo_add_guid ( &bo, &asf_object_file_properties_guid );
866 bo_addle_u64( &bo, 104 );
867 bo_add_guid ( &bo, &p_sys->fid );
868 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
869 p_sys->i_packet_size ); /* file size */
870 bo_addle_u64( &bo, 0 ); /* creation date */
871 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
872 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
873 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
874 bo_addle_u64( &bo, 3000 ); /* preroll duration (ms) */
875 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x00); /* flags */
876 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
877 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
878 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
880 /* header extention */
881 bo_add_guid ( &bo, &asf_object_header_extention_guid );
882 bo_addle_u64( &bo, 46 );
883 bo_add_guid ( &bo, &asf_guid_reserved_1 );
884 bo_addle_u16( &bo, 6 );
885 bo_addle_u32( &bo, 0 );
887 /* content description header */
890 bo_add_guid ( &bo, &asf_object_content_description_guid );
891 bo_addle_u64( &bo, i_cd_size );
892 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
893 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
894 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
895 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
896 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
898 bo_addle_str16_nosize( &bo, p_sys->psz_title );
899 bo_addle_str16_nosize( &bo, p_sys->psz_author );
900 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
901 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
902 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
905 /* stream properties */
906 for( i = 1; i < p_sys->i_track; i++ )
908 tk = &p_sys->track[i];
910 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
911 bo_addle_u64( &bo, 78 + tk->i_extra );
912 if( tk->i_cat == AUDIO_ES )
914 bo_add_guid( &bo, &asf_object_stream_type_audio );
915 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
917 else if( tk->i_cat == VIDEO_ES )
919 bo_add_guid( &bo, &asf_object_stream_type_video );
920 bo_add_guid( &bo, &asf_guid_video_conceal_none );
922 bo_addle_u64( &bo, 0 ); /* time offset */
923 bo_addle_u32( &bo, tk->i_extra );
924 bo_addle_u32( &bo, 0 ); /* 0 */
925 bo_addle_u16( &bo, tk->i_id ); /* stream number */
926 bo_addle_u32( &bo, 0 );
927 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
931 bo_add_guid ( &bo, &asf_object_codec_comment_guid );
932 bo_addle_u64( &bo, i_ci_size );
933 bo_add_guid ( &bo, &asf_object_codec_comment_reserved_guid );
934 bo_addle_u32( &bo, p_sys->i_track - 1 );
935 for( i = 1; i < p_sys->i_track; i++ )
937 tk = &p_sys->track[i];
939 bo_addle_u16( &bo, tk->i_id );
940 bo_addle_str16( &bo, tk->psz_name );
941 bo_addle_u16( &bo, 0 );
942 if( tk->i_cat == AUDIO_ES )
944 bo_addle_u16( &bo, 2 );
945 bo_addle_u16( &bo, tk->i_tag );
947 else if( tk->i_cat == VIDEO_ES )
949 bo_addle_u16( &bo, 4 );
950 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
956 bo_add_guid ( &bo, &asf_object_data_guid );
957 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
958 bo_add_guid ( &bo, &p_sys->fid );
959 bo_addle_u64( &bo, p_sys->i_packet_count );
960 bo_addle_u16( &bo, 0x101 );
965 /****************************************************************************
967 ****************************************************************************/
968 static sout_buffer_t *asf_packet_create( sout_mux_t *p_mux,
969 asf_track_t *tk, sout_buffer_t *data )
971 sout_mux_sys_t *p_sys = p_mux->p_sys;
973 int i_data = data->i_size;
975 uint8_t *p_data= data->p_buffer;
976 sout_buffer_t *first = NULL, **last = &first;
977 int i_preheader = p_sys->b_asf_http ? 12 : 0;
979 while( i_pos < i_data )
984 if( p_sys->pk == NULL )
986 p_sys->pk = sout_BufferNew( p_mux->p_sout,
987 p_sys->i_packet_size + i_preheader);
988 /* reserve 14 bytes for the packet header */
989 p_sys->i_pk_used = 14 + i_preheader;
990 p_sys->i_pk_frame = 0;
991 p_sys->i_pk_dts = data->i_dts;
995 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
996 p_sys->i_packet_size - p_sys->i_pk_used );
998 /* add payload (header size = 17) */
999 i_payload = __MIN( i_data - i_pos,
1000 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1001 bo_add_u8 ( &bo, 0x80 | tk->i_id );
1002 bo_add_u8 ( &bo, tk->i_sequence );
1003 bo_addle_u32( &bo, i_pos );
1004 bo_add_u8 ( &bo, 0x08 ); /* flags */
1005 bo_addle_u32( &bo, i_data );
1006 bo_addle_u32( &bo, ( data->i_dts - p_sys->i_dts_first )/ 1000 );
1007 bo_addle_u16( &bo, i_payload );
1008 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1010 p_sys->i_pk_used += 17 + i_payload;
1012 p_sys->i_pk_frame++;
1014 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1016 /* not enough data for another payload, flush the packet */
1017 int i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1019 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1021 if( p_sys->b_asf_http )
1023 asf_chunk_add( &bo, 0x4424,
1024 p_sys->i_packet_size, 0x00, p_sys->i_seq++);
1026 bo_add_u8 ( &bo, 0x82 );
1027 bo_addle_u16( &bo, 0 );
1028 bo_add_u8( &bo, 0x11 );
1029 bo_add_u8( &bo, 0x5d );
1030 bo_addle_u16( &bo, i_pad );
1031 bo_addle_u32( &bo, ( p_sys->i_pk_dts - p_sys->i_dts_first )/ 1000 );
1032 bo_addle_u16( &bo, 0 * data->i_length / 1000 );
1033 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1035 /* append the packet */
1037 last = &p_sys->pk->p_next;
1041 p_sys->i_packet_count++;
1046 sout_BufferDelete( p_mux->p_sout, data );
1051 static sout_buffer_t *asf_stream_end_create( sout_mux_t *p_mux )
1053 sout_mux_sys_t *p_sys = p_mux->p_sys;
1055 sout_buffer_t *out = NULL;
1058 if( p_sys->b_asf_http )
1060 out = sout_BufferNew( p_mux->p_sout, 12 );
1061 bo_init( &bo, out->p_buffer, 12 );
1062 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );