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_common.h>
36 #include <vlc_plugin.h>
38 #include <vlc_block.h>
39 #include <vlc_codecs.h>
40 #include <vlc_arrays.h>
45 #define MAX_ASF_TRACKS 128
46 #define ASF_DATA_PACKET_SIZE 4096 // deprecated -- added sout-asf-packet-size
48 /*****************************************************************************
50 *****************************************************************************/
51 static int Open ( vlc_object_t * );
52 static void Close ( vlc_object_t * );
54 #define SOUT_CFG_PREFIX "sout-asf-"
56 #define TITLE_TEXT N_("Title")
57 #define TITLE_LONGTEXT N_("Title to put in ASF comments." )
58 #define AUTHOR_TEXT N_("Author")
59 #define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
60 #define COPYRIGHT_TEXT N_("Copyright")
61 #define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
62 #define COMMENT_TEXT N_("Comment")
63 #define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
64 #define RATING_TEXT N_("Rating")
65 #define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
66 #define PACKETSIZE_TEXT N_("Packet Size")
67 #define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
68 #define BITRATE_TEXT N_("Bitrate override")
69 #define BITRATE_LONGTEXT N_("Do not try to guess ASF bitrate. Setting this, allows you to control how Windows Media Player will cache streamed content. Set to audio+video bitrate in bytes")
73 set_description( N_("ASF muxer") )
74 set_category( CAT_SOUT )
75 set_subcategory( SUBCAT_SOUT_MUX )
76 set_shortname( "ASF" )
78 set_capability( "sout mux", 5 )
80 add_shortcut( "asfh" )
81 set_callbacks( Open, Close )
83 add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
85 add_string( SOUT_CFG_PREFIX "author", "", NULL, AUTHOR_TEXT,
86 AUTHOR_LONGTEXT, true )
87 add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
88 COPYRIGHT_LONGTEXT, true )
89 add_string( SOUT_CFG_PREFIX "comment", "", NULL, COMMENT_TEXT,
90 COMMENT_LONGTEXT, true )
91 add_string( SOUT_CFG_PREFIX "rating", "", NULL, RATING_TEXT,
92 RATING_LONGTEXT, true )
93 add_integer( SOUT_CFG_PREFIX "packet-size", 4096, NULL, PACKETSIZE_TEXT,
94 PACKETSIZE_LONGTEXT, true )
95 add_integer( SOUT_CFG_PREFIX "bitrate-override", 0, NULL, BITRATE_TEXT,
96 BITRATE_LONGTEXT, true )
100 /*****************************************************************************
102 *****************************************************************************/
103 static const char *const ppsz_sout_options[] = {
104 "title", "author", "copyright", "comment", "rating", NULL
107 static int Control ( sout_mux_t *, int, va_list );
108 static int AddStream( sout_mux_t *, sout_input_t * );
109 static int DelStream( sout_mux_t *, sout_input_t * );
110 static int Mux ( sout_mux_t * );
117 /* codec information */
118 uint16_t i_tag; /* for audio */
119 vlc_fourcc_t i_fourcc; /* for video */
120 const char *psz_name; /* codec name */
121 int i_blockalign; /* for audio only */
122 bool b_audio_correction;
134 struct sout_mux_sys_t
136 guid_t fid; /* file id */
138 int64_t i_packet_count;
141 mtime_t i_preroll_time;
143 int64_t i_bitrate_override;
145 vlc_array_t *p_tracks;
165 static block_t *asf_header_create( sout_mux_t *, bool );
166 static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
167 static block_t *asf_stream_end_create( sout_mux_t *);
168 static block_t *asf_packet_flush( sout_mux_t * );
178 static void bo_init ( bo_t *, uint8_t *, int );
179 static void bo_add_u8 ( bo_t *, uint8_t );
180 static void bo_addle_u16( bo_t *, uint16_t );
181 static void bo_addle_u32( bo_t *, uint32_t );
182 static void bo_addle_u64( bo_t *, uint64_t );
183 static void bo_add_mem ( bo_t *, uint8_t *, int );
185 static void bo_addle_str16( bo_t *, const char * );
187 /*****************************************************************************
189 *****************************************************************************/
190 static int Open( vlc_object_t *p_this )
192 sout_mux_t *p_mux = (sout_mux_t*)p_this;
193 sout_mux_sys_t *p_sys;
196 msg_Dbg( p_mux, "asf muxer opened" );
197 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
199 p_mux->pf_control = Control;
200 p_mux->pf_addstream = AddStream;
201 p_mux->pf_delstream = DelStream;
204 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
207 p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
208 if( p_sys->b_asf_http )
210 msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
213 p_sys->i_pk_used = 0;
214 p_sys->i_pk_frame = 0;
216 p_sys->i_dts_last = VLC_TS_INVALID;
217 p_sys->i_preroll_time = 2000;
218 p_sys->i_bitrate = 0;
219 p_sys->i_bitrate_override = 0;
221 p_sys->p_tracks = vlc_array_new();
223 p_sys->b_write_header = true;
224 p_sys->i_packet_size = var_InheritInteger( p_mux, "sout-asf-packet-size" );
225 p_sys->i_bitrate_override = var_InheritInteger( p_mux, "sout-asf-bitrate-override" );
226 msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
227 if (p_sys->i_bitrate_override)
228 msg_Dbg( p_mux, "Bitrate override %"PRId64, p_sys->i_bitrate_override);
229 p_sys->i_packet_count= 0;
231 /* Generate a random fid */
232 p_sys->fid.Data1 = 0xbabac001;
233 vlc_rand_bytes(&p_sys->fid.Data2, sizeof(p_sys->fid.Data2));
234 vlc_rand_bytes(&p_sys->fid.Data3, sizeof(p_sys->fid.Data3));
235 vlc_rand_bytes(p_sys->fid.Data4, sizeof(p_sys->fid.Data4));
238 p_sys->psz_title = var_GetString( p_mux, SOUT_CFG_PREFIX "title" );
239 p_sys->psz_author = var_GetString( p_mux, SOUT_CFG_PREFIX "author" );
240 p_sys->psz_copyright = var_GetString( p_mux, SOUT_CFG_PREFIX "copyright" );
241 p_sys->psz_comment = var_GetString( p_mux, SOUT_CFG_PREFIX "comment" );
242 p_sys->psz_rating = var_GetString( p_mux, SOUT_CFG_PREFIX "rating" );
244 msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
245 "comment='%s', rating='%s'",
246 p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
247 p_sys->psz_comment, p_sys->psz_rating );
252 /*****************************************************************************
254 *****************************************************************************/
255 static void Close( vlc_object_t * p_this )
257 sout_mux_t *p_mux = (sout_mux_t*)p_this;
258 sout_mux_sys_t *p_sys = p_mux->p_sys;
262 msg_Dbg( p_mux, "Asf muxer closed" );
264 /* Flush last packet if any */
265 if( (out = asf_packet_flush( p_mux ) ) )
267 sout_AccessOutWrite( p_mux->p_access, out );
270 if( ( out = asf_stream_end_create( p_mux ) ) )
272 sout_AccessOutWrite( p_mux->p_access, out );
276 if( sout_AccessOutSeek( p_mux->p_access, 0 ) == VLC_SUCCESS )
278 out = asf_header_create( p_mux, false );
279 sout_AccessOutWrite( p_mux->p_access, out );
283 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
285 asf_track_t *track = (asf_track_t *)vlc_array_item_at_index( p_sys->p_tracks, i );
286 free( track->p_extra );
287 es_format_Clean( &track->fmt );
290 vlc_array_clear( p_sys->p_tracks );
292 vlc_array_destroy( p_sys->p_tracks );
294 free( p_sys->psz_title );
295 free( p_sys->psz_author );
296 free( p_sys->psz_copyright );
297 free( p_sys->psz_comment );
298 free( p_sys->psz_rating );
302 /*****************************************************************************
304 *****************************************************************************/
305 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
307 sout_mux_sys_t *p_sys = p_mux->p_sys;
313 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
314 pb_bool = (bool*)va_arg( args, bool * );
315 if( p_sys->b_asf_http ) *pb_bool = true;
316 else *pb_bool = false;
319 case MUX_GET_ADD_STREAM_WAIT:
320 pb_bool = (bool*)va_arg( args, bool * );
325 ppsz = (char**)va_arg( args, char ** );
326 if( p_sys->b_asf_http )
327 *ppsz = strdup( "video/x-ms-asf-stream" );
329 *ppsz = strdup( "video/x-ms-asf" );
337 /*****************************************************************************
339 *****************************************************************************/
340 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
342 sout_mux_sys_t *p_sys = p_mux->p_sys;
346 msg_Dbg( p_mux, "adding input" );
347 if( vlc_array_count( p_sys->p_tracks ) >= MAX_ASF_TRACKS )
349 msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
353 tk = p_input->p_sys = malloc( sizeof( asf_track_t ) );
354 memset( tk, 0, sizeof( *tk ) );
355 tk->i_cat = p_input->p_fmt->i_cat;
357 tk->b_audio_correction = 0;
358 tk->b_extended = false;
364 int i_blockalign = p_input->p_fmt->audio.i_blockalign;
365 int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
368 switch( p_input->p_fmt->i_codec )
371 tk->i_tag = WAVE_FORMAT_A52;
372 tk->psz_name = "A/52";
376 tk->i_tag = WAVE_FORMAT_AAC;
377 tk->psz_name = "MPEG-4 Audio";
382 tk->psz_name = "MPEG Audio Layer 3";
383 tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
389 tk->psz_name = "MPEG Audio Layer 1/2";
390 tk->i_tag = WAVE_FORMAT_MPEG;
397 tk->psz_name = "Windows Media Audio v1";
398 tk->i_tag = WAVE_FORMAT_WMA1;
399 tk->b_audio_correction = true;
402 tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
403 tk->i_tag = WAVE_FORMAT_WMA2;
404 tk->b_audio_correction = true;
407 tk->psz_name = "Windows Media Audio 9 Professional";
408 tk->i_tag = WAVE_FORMAT_WMAP;
409 tk->b_audio_correction = true;
412 tk->psz_name = "Windows Media Audio 9 Lossless";
413 tk->i_tag = WAVE_FORMAT_WMAL;
414 tk->b_audio_correction = true;
418 tk->psz_name = "Raw audio 8bits";
419 tk->i_tag = WAVE_FORMAT_PCM;
420 i_blockalign= p_input->p_fmt->audio.i_channels;
424 tk->psz_name = "Raw audio 16bits";
425 tk->i_tag = WAVE_FORMAT_PCM;
426 i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
427 i_bitspersample = 16;
430 tk->psz_name = "Raw audio 24bits";
431 tk->i_tag = WAVE_FORMAT_PCM;
432 i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
433 i_bitspersample = 24;
436 tk->psz_name = "Raw audio 32bits";
437 tk->i_tag = WAVE_FORMAT_PCM;
438 i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
439 i_bitspersample = 32;
445 tk->i_extra = sizeof( WAVEFORMATEX ) +
446 p_input->p_fmt->i_extra + i_extra;
447 tk->p_extra = malloc( tk->i_extra );
450 bo_init( &bo, tk->p_extra, tk->i_extra );
451 bo_addle_u16( &bo, tk->i_tag );
452 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
453 bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
454 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
455 bo_addle_u16( &bo, i_blockalign );
456 tk->i_blockalign = i_blockalign;
457 bo_addle_u16( &bo, i_bitspersample );
458 if( p_input->p_fmt->i_extra > 0 )
460 bo_addle_u16( &bo, p_input->p_fmt->i_extra );
461 bo_add_mem ( &bo, p_input->p_fmt->p_extra,
462 p_input->p_fmt->i_extra );
466 bo_addle_u16( &bo, i_extra );
467 if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
469 msg_Dbg( p_mux, "adding mp3 header" );
470 bo_addle_u16( &bo, 1 ); /* wId */
471 bo_addle_u32( &bo, 2 ); /* fdwFlags */
472 bo_addle_u16( &bo, 1152 ); /* nBlockSize */
473 bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
474 bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
476 else if( tk->i_tag == WAVE_FORMAT_MPEG )
478 msg_Dbg( p_mux, "adding mp2 header" );
479 bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
480 bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
481 bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
482 bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
483 bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
484 bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
485 bo_addle_u32( &bo, 0 ); /* dwPTSLow */
486 bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
490 if( p_input->p_fmt->i_bitrate > 24000 )
492 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
496 p_sys->i_bitrate += 128000;
498 if (p_sys->i_bitrate_override)
499 p_sys->i_bitrate = p_sys->i_bitrate_override;
504 const es_format_t *p_fmt = p_input->p_fmt;
505 uint8_t *p_codec_extra = NULL;
506 int i_codec_extra = 0;
508 if( p_input->p_fmt->i_codec == VLC_CODEC_MP4V )
510 tk->psz_name = "MPEG-4 Video";
511 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
513 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV3 )
515 tk->psz_name = "MSMPEG-4 V3 Video";
516 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
518 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV2 )
520 tk->psz_name = "MSMPEG-4 V2 Video";
521 tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
523 else if( p_input->p_fmt->i_codec == VLC_CODEC_DIV2 )
525 tk->psz_name = "MSMPEG-4 V1 Video";
526 tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
528 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV1 )
530 tk->psz_name = "Windows Media Video 7";
531 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
533 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV2 )
535 tk->psz_name = "Windows Media Video 8";
536 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
538 else if( p_input->p_fmt->i_codec == VLC_CODEC_WMV3 )
540 tk->psz_name = "Windows Media Video 9";
541 tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
543 else if( p_input->p_fmt->i_codec == VLC_CODEC_VC1 )
545 tk->psz_name = "Windows Media Video 9 Advanced Profile";
546 tk->i_fourcc = VLC_FOURCC( 'W', 'V', 'C', '1' );
547 tk->b_extended = true;
549 if( p_fmt->i_extra > 0 )
551 p_codec_extra = malloc( 1 + p_fmt->i_extra );
554 i_codec_extra = 1 + p_fmt->i_extra;
555 p_codec_extra[0] = 0x01;
556 memcpy( &p_codec_extra[1], p_fmt->p_extra, p_fmt->i_extra );
560 else if( p_input->p_fmt->i_codec == VLC_CODEC_H264 )
562 tk->psz_name = "H.264/MPEG-4 AVC";
563 tk->i_fourcc = VLC_FOURCC('h','2','6','4');
567 tk->psz_name = _("Unknown Video");
568 tk->i_fourcc = p_input->p_fmt->i_original_fourcc ?: p_input->p_fmt->i_codec;
570 if( !i_codec_extra && p_fmt->i_extra > 0 )
572 p_codec_extra = malloc( p_fmt->i_extra );
575 i_codec_extra = p_fmt->i_extra;
576 memcpy( p_codec_extra, p_fmt->p_extra, p_fmt->i_extra );
580 tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) + i_codec_extra;
581 tk->p_extra = malloc( tk->i_extra );
584 free( p_codec_extra );
587 bo_init( &bo, tk->p_extra, tk->i_extra );
588 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
589 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
590 bo_add_u8 ( &bo, 0x02 ); /* flags */
591 bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) + i_codec_extra );
592 bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) + i_codec_extra );
593 bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
594 bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
595 bo_addle_u16( &bo, 1 );
596 bo_addle_u16( &bo, 24 );
597 bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
598 bo_addle_u32( &bo, 0 );
599 bo_addle_u32( &bo, 0 );
600 bo_addle_u32( &bo, 0 );
601 bo_addle_u32( &bo, 0 );
602 bo_addle_u32( &bo, 0 );
603 if( i_codec_extra > 0 )
605 bo_add_mem( &bo, p_codec_extra, i_codec_extra );
606 free( p_codec_extra );
609 if( p_input->p_fmt->i_bitrate > 50000 )
611 p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
615 p_sys->i_bitrate += 512000;
617 if( p_sys->i_bitrate_override )
618 p_sys->i_bitrate = p_sys->i_bitrate_override;
622 msg_Err(p_mux, "unhandled track type" );
626 es_format_Copy( &tk->fmt, p_input->p_fmt );
628 vlc_array_append( p_sys->p_tracks, (void *)tk);
629 tk->i_id = vlc_array_index_of_item( p_sys->p_tracks, tk ) + 1;
632 p_sys->b_write_header = true;
637 /*****************************************************************************
639 *****************************************************************************/
640 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
642 /* if bitrate ain't defined in commanline, reduce it when tracks are deleted
644 sout_mux_sys_t *p_sys = p_mux->p_sys;
645 asf_track_t *tk = p_input->p_sys;
646 msg_Dbg( p_mux, "removing input" );
647 if(!p_sys->i_bitrate_override)
649 if( tk->i_cat == AUDIO_ES )
651 if( p_input->p_fmt->i_bitrate > 24000 )
652 p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
654 p_sys->i_bitrate -= 128000;
656 else if(tk->i_cat == VIDEO_ES )
658 if( p_input->p_fmt->i_bitrate > 50000 )
659 p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
661 p_sys->i_bitrate -= 512000;
665 vlc_array_remove( p_sys->p_tracks, vlc_array_index_of_item( p_sys->p_tracks, (void *)tk ) );
668 p_sys->b_write_header = true;
672 /*****************************************************************************
674 *****************************************************************************/
675 static int Mux( sout_mux_t *p_mux )
677 sout_mux_sys_t *p_sys = p_mux->p_sys;
679 if( p_sys->b_write_header )
681 block_t *out = asf_header_create( p_mux, true );
683 out->i_flags |= BLOCK_FLAG_HEADER;
684 sout_AccessOutWrite( p_mux->p_access, out );
686 p_sys->b_write_header = false;
691 sout_input_t *p_input;
697 int i_stream = sout_MuxGetStream( p_mux, 1, &i_dts );
700 /* not enough data */
704 if( p_sys->i_dts_first <= VLC_TS_INVALID )
706 p_sys->i_dts_first = i_dts;
708 if( p_sys->i_dts_last < i_dts )
710 p_sys->i_dts_last = i_dts;
713 p_input = p_mux->pp_inputs[i_stream];
714 tk = (asf_track_t*)p_input->p_sys;
716 data = block_FifoGet( p_input->p_fifo );
718 /* Convert VC1 to ASF special format */
719 if( tk->i_fourcc == VLC_FOURCC( 'W', 'V', 'C', '1' ) )
721 while( data->i_buffer >= 4 &&
722 ( data->p_buffer[0] != 0x00 || data->p_buffer[1] != 0x00 ||
723 data->p_buffer[2] != 0x01 ||
724 ( data->p_buffer[3] != 0x0D && data->p_buffer[3] != 0x0C ) ) )
729 if( data->i_buffer >= 4 )
736 if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
738 sout_AccessOutWrite( p_mux->p_access, pk );
745 /****************************************************************************
746 * Asf header construction
747 ****************************************************************************/
749 /****************************************************************************
751 ****************************************************************************/
752 static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
754 p_bo->i_buffer_size = i_size;
756 p_bo->p_buffer = p_buffer;
758 static void bo_add_u8( bo_t *p_bo, uint8_t i )
760 if( p_bo->i_buffer < p_bo->i_buffer_size )
762 p_bo->p_buffer[p_bo->i_buffer] = i;
766 static void bo_addle_u16( bo_t *p_bo, uint16_t i )
768 bo_add_u8( p_bo, i &0xff );
769 bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
771 static void bo_addle_u32( bo_t *p_bo, uint32_t i )
773 bo_addle_u16( p_bo, i &0xffff );
774 bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
776 static void bo_addle_u64( bo_t *p_bo, uint64_t i )
778 bo_addle_u32( p_bo, i &0xffffffff );
779 bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
782 static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
784 int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
788 memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
790 p_bo->i_buffer += i_size;
793 static void bo_addle_str16( bo_t *bo, const char *str )
795 bo_addle_u16( bo, strlen( str ) + 1 );
798 uint16_t c = (uint8_t)*str++;
799 bo_addle_u16( bo, c );
800 if( c == '\0' ) break;
804 static void bo_addle_str16_nosize( bo_t *bo, const char *str )
808 uint16_t c = (uint8_t)*str++;
809 bo_addle_u16( bo, c );
810 if( c == '\0' ) break;
814 /****************************************************************************
816 ****************************************************************************/
817 static void bo_add_guid( bo_t *p_bo, const guid_t *id )
820 bo_addle_u32( p_bo, id->Data1 );
821 bo_addle_u16( p_bo, id->Data2 );
822 bo_addle_u16( p_bo, id->Data3 );
823 for( i = 0; i < 8; i++ )
825 bo_add_u8( p_bo, id->Data4[i] );
829 static const guid_t asf_object_header_guid =
830 {0x75B22630, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
831 static const guid_t asf_object_data_guid =
832 {0x75B22636, 0x668E, 0x11CF, {0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C}};
833 static const guid_t asf_object_file_properties_guid =
834 {0x8cabdca1, 0xa947, 0x11cf, {0x8e, 0xe4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
835 static const guid_t asf_object_stream_properties_guid =
836 {0xB7DC0791, 0xA9B7, 0x11CF, {0x8E, 0xE6, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
837 static const guid_t asf_object_header_extension_guid =
838 {0x5FBF03B5, 0xA92E, 0x11CF, {0x8E, 0xE3, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65}};
839 static const guid_t asf_object_stream_type_audio =
840 {0xF8699E40, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
841 static const guid_t asf_object_stream_type_video =
842 {0xbc19efc0, 0x5B4D, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
843 static const guid_t asf_guid_audio_conceal_none =
844 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
845 static const guid_t asf_guid_audio_conceal_spread =
846 {0xBFC3CD50, 0x618F, 0x11CF, {0x8B, 0xB2, 0x00, 0xAA, 0x00, 0xB4, 0xE2, 0x20}};
847 static const guid_t asf_guid_video_conceal_none =
848 {0x20FB5700, 0x5B55, 0x11CF, {0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B}};
849 static const guid_t asf_guid_reserved_1 =
850 {0xABD3D211, 0xA9BA, 0x11cf, {0x8E, 0xE6, 0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65}};
851 static const guid_t asf_object_codec_list_guid =
852 {0x86D15240, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
853 static const guid_t asf_object_codec_list_reserved_guid =
854 {0x86D15241, 0x311D, 0x11D0, {0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6}};
855 static const guid_t asf_object_content_description_guid =
856 {0x75B22633, 0x668E, 0x11CF, {0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c}};
857 static const guid_t asf_object_index_guid =
858 {0x33000890, 0xE5B1, 0x11CF, {0x89, 0xF4, 0x00, 0xA0, 0xC9, 0x03, 0x49, 0xCB}};
859 static const guid_t asf_object_metadata_guid =
860 {0xC5F8CBEA, 0x5BAF, 0x4877, {0x84, 0x67, 0xAA, 0x8C, 0x44, 0xFA, 0x4C, 0xCA}};
861 static const guid_t asf_object_extended_stream_properties_guid =
862 {0x14E6A5CB, 0xC672, 0x4332, {0x83, 0x99, 0xA9, 0x69, 0x52, 0x06, 0x5B, 0x5A}};
864 /****************************************************************************
866 ****************************************************************************/
867 static void asf_chunk_add( bo_t *bo,
868 int i_type, int i_len, int i_flags, int i_seq )
870 bo_addle_u16( bo, i_type );
871 bo_addle_u16( bo, i_len + 8 );
872 bo_addle_u32( bo, i_seq );
873 bo_addle_u16( bo, i_flags );
874 bo_addle_u16( bo, i_len + 8 );
877 static block_t *asf_header_create( sout_mux_t *p_mux, bool b_broadcast )
879 sout_mux_sys_t *p_sys = p_mux->p_sys;
881 mtime_t i_duration = 0;
882 int i_size, i_header_ext_size, i;
883 int i_ci_size, i_cm_size = 0, i_cd_size = 0;
888 msg_Dbg( p_mux, "Asf muxer creating header" );
890 if( p_sys->i_dts_first > VLC_TS_INVALID )
892 i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
893 if( i_duration < 0 ) i_duration = 0;
896 /* calculate header size */
899 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
901 tk = vlc_array_item_at_index( p_sys->p_tracks, i );
902 /* update also track-id */
905 i_size += 78 + tk->i_extra;
906 i_ci_size += 8 + 2 * strlen( tk->psz_name );
907 if( tk->i_cat == AUDIO_ES ) i_ci_size += 4;
908 else if( tk->i_cat == VIDEO_ES ) i_ci_size += 6;
910 /* Error correction data field */
911 if( tk->b_audio_correction ) i_size += 8;
914 /* size of the content description object */
915 if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
916 *p_sys->psz_comment || *p_sys->psz_rating )
918 i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
919 strlen( p_sys->psz_author ) + 1 +
920 strlen( p_sys->psz_copyright ) + 1 +
921 strlen( p_sys->psz_comment ) + 1 +
922 strlen( p_sys->psz_rating ) + 1 );
925 i_header_ext_size = 46;
927 /* size of the metadata object */
928 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
930 const asf_track_t *p_track = vlc_array_item_at_index( p_sys->p_tracks, i );
931 if( p_track->i_cat == VIDEO_ES &&
932 p_track->fmt.video.i_sar_num != 0 &&
933 p_track->fmt.video.i_sar_den != 0 )
935 i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
938 if( p_track->b_extended )
939 i_header_ext_size += 88;
943 i_header_ext_size += i_cm_size;
945 i_size += i_ci_size + i_cd_size + i_header_ext_size ;
947 if( p_sys->b_asf_http )
949 out = block_New( p_mux, i_size + 50 + 12 );
950 bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
951 asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
955 out = block_New( p_mux, i_size + 50 );
956 bo_init( &bo, out->p_buffer, i_size + 50 );
960 bo_add_guid ( &bo, &asf_object_header_guid );
961 bo_addle_u64( &bo, i_size );
962 bo_addle_u32( &bo, 2 + vlc_array_count( p_sys->p_tracks ) + 1 +
963 (i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
964 bo_add_u8 ( &bo, 1 );
965 bo_add_u8 ( &bo, 2 );
969 /* file properties */
970 bo_add_guid ( &bo, &asf_object_file_properties_guid );
971 bo_addle_u64( &bo, 104 );
972 bo_add_guid ( &bo, &p_sys->fid );
973 bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
974 p_sys->i_packet_size ); /* file size */
975 bo_addle_u64( &bo, 0 ); /* creation date */
976 bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
977 bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
978 bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
979 bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
980 bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* flags */
981 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
982 bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
983 bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
985 /* header extension */
986 bo_add_guid ( &bo, &asf_object_header_extension_guid );
987 bo_addle_u64( &bo, i_header_ext_size );
988 bo_add_guid ( &bo, &asf_guid_reserved_1 );
989 bo_addle_u16( &bo, 6 );
990 bo_addle_u32( &bo, i_header_ext_size - 46 );
992 /* extended stream properties */
993 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
995 const asf_track_t *p_track = vlc_array_item_at_index( p_sys->p_tracks, i );
996 const es_format_t *p_fmt = &p_track->fmt;
998 if( !p_track->b_extended )
1001 uint64_t i_avg_duration = 0;
1002 if( p_fmt->i_cat == VIDEO_ES &&
1003 p_fmt->video.i_frame_rate > 0 && p_fmt->video.i_frame_rate_base > 0 )
1004 i_avg_duration = ( INT64_C(10000000) * p_fmt->video.i_frame_rate_base +
1005 p_fmt->video.i_frame_rate/2 ) / p_fmt->video.i_frame_rate;
1007 bo_add_guid ( &bo, &asf_object_extended_stream_properties_guid );
1008 bo_addle_u64( &bo, 88 );
1009 bo_addle_u64( &bo, 0 );
1010 bo_addle_u64( &bo, 0 );
1011 bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Bitrate */
1012 bo_addle_u32( &bo, 0 ); /* Buffer size */
1013 bo_addle_u32( &bo, 0 ); /* Initial buffer fullness */
1014 bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Alternate Bitrate */
1015 bo_addle_u32( &bo, 0 ); /* Alternate Buffer size */
1016 bo_addle_u32( &bo, 0 ); /* Alternate Initial buffer fullness */
1017 bo_addle_u32( &bo, 0 ); /* Maximum object size (0 = unkown) */
1018 bo_addle_u32( &bo, 0x02 ); /* Flags (seekable) */
1019 bo_addle_u16( &bo, p_track->i_id ); /* Stream number */
1020 bo_addle_u16( &bo, 0 ); /* Stream language index */
1021 bo_addle_u64( &bo, i_avg_duration ); /* Average time per frame */
1022 bo_addle_u16( &bo, 0 ); /* Stream name count */
1023 bo_addle_u16( &bo, 0 ); /* Payload extension system count */
1026 /* metadata object (part of header extension) */
1029 unsigned int i_dst_num, i_dst_den;
1033 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1035 tk = vlc_array_item_at_index( p_sys->p_tracks, i );
1036 if( tk->i_cat == VIDEO_ES ) break;
1038 assert( tk != NULL );
1040 vlc_ureduce( &i_dst_num, &i_dst_den,
1041 tk->fmt.video.i_sar_num,
1042 tk->fmt.video.i_sar_den, 0 );
1044 msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
1046 bo_add_guid ( &bo, &asf_object_metadata_guid );
1047 bo_addle_u64( &bo, i_cm_size );
1048 bo_addle_u16( &bo, 2 ); /* description records count */
1049 /* 1st description record */
1050 bo_addle_u16( &bo, 0 ); /* reserved */
1051 bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
1052 bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
1053 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
1054 bo_addle_u32( &bo, 4 ); /* data length */
1055 bo_addle_str16_nosize( &bo, "AspectRatioX" );
1056 bo_addle_u32( &bo, i_dst_num ); /* data */
1057 /* 2nd description record */
1058 bo_addle_u16( &bo, 0 ); /* reserved */
1059 bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
1060 bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
1061 bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
1062 bo_addle_u32( &bo, 4 ); /* data length */
1063 bo_addle_str16_nosize( &bo, "AspectRatioY" );
1064 bo_addle_u32( &bo, i_dst_den ); /* data */
1067 /* content description header */
1070 bo_add_guid ( &bo, &asf_object_content_description_guid );
1071 bo_addle_u64( &bo, i_cd_size );
1072 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
1073 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
1074 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
1075 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
1076 bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
1078 bo_addle_str16_nosize( &bo, p_sys->psz_title );
1079 bo_addle_str16_nosize( &bo, p_sys->psz_author );
1080 bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
1081 bo_addle_str16_nosize( &bo, p_sys->psz_comment );
1082 bo_addle_str16_nosize( &bo, p_sys->psz_rating );
1085 /* stream properties */
1086 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1088 tk = vlc_array_item_at_index( p_sys->p_tracks, i);
1090 bo_add_guid ( &bo, &asf_object_stream_properties_guid );
1091 bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
1093 if( tk->i_cat == AUDIO_ES )
1095 bo_add_guid( &bo, &asf_object_stream_type_audio );
1096 if( tk->b_audio_correction )
1097 bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
1099 bo_add_guid( &bo, &asf_guid_audio_conceal_none );
1101 else if( tk->i_cat == VIDEO_ES )
1103 bo_add_guid( &bo, &asf_object_stream_type_video );
1104 bo_add_guid( &bo, &asf_guid_video_conceal_none );
1106 bo_addle_u64( &bo, 0 ); /* time offset */
1107 bo_addle_u32( &bo, tk->i_extra );
1108 /* correction data length */
1109 bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 0 );
1110 bo_addle_u16( &bo, tk->i_id ); /* stream number */
1111 bo_addle_u32( &bo, 0 );
1112 bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
1114 /* Error correction data field */
1115 if( tk->b_audio_correction )
1117 bo_add_u8( &bo, 0x1 ); /* span */
1118 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
1119 bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunck length */
1120 bo_addle_u16( &bo, 1 ); /* silence length */
1121 bo_add_u8( &bo, 0x0 ); /* data */
1126 bo_add_guid ( &bo, &asf_object_codec_list_guid );
1127 bo_addle_u64( &bo, i_ci_size );
1128 bo_add_guid ( &bo, &asf_object_codec_list_reserved_guid );
1129 bo_addle_u32( &bo, vlc_array_count( p_sys->p_tracks ) );
1130 for( i = 0; i < vlc_array_count( p_sys->p_tracks ); i++ )
1132 tk = vlc_array_item_at_index( p_sys->p_tracks ,i);
1134 if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
1135 else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
1136 else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
1138 bo_addle_str16( &bo, tk->psz_name );
1139 bo_addle_u16( &bo, 0 );
1140 if( tk->i_cat == AUDIO_ES )
1142 bo_addle_u16( &bo, 2 );
1143 bo_addle_u16( &bo, tk->i_tag );
1145 else if( tk->i_cat == VIDEO_ES )
1147 bo_addle_u16( &bo, 4 );
1148 bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
1153 bo_add_guid ( &bo, &asf_object_data_guid );
1154 bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
1155 bo_add_guid ( &bo, &p_sys->fid );
1156 bo_addle_u64( &bo, p_sys->i_packet_count );
1157 bo_addle_u16( &bo, 0x101 );
1162 /****************************************************************************
1164 ****************************************************************************/
1165 static block_t *asf_packet_flush( sout_mux_t *p_mux )
1167 sout_mux_sys_t *p_sys = p_mux->p_sys;
1168 int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
1172 if( !p_sys->pk ) return 0;
1174 i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
1175 memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
1177 bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
1179 if( p_sys->b_asf_http )
1180 asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size, 0x0, p_sys->i_seq++);
1182 bo_add_u8 ( &bo, 0x82 );
1183 bo_addle_u16( &bo, 0 );
1184 bo_add_u8( &bo, 0x11 );
1185 bo_add_u8( &bo, 0x5d );
1186 bo_addle_u16( &bo, i_pad );
1187 bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 +
1188 p_sys->i_preroll_time );
1189 bo_addle_u16( &bo, 0 /* data->i_length */ );
1190 bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
1195 p_sys->i_packet_count++;
1200 static block_t *asf_packet_create( sout_mux_t *p_mux,
1201 asf_track_t *tk, block_t *data )
1203 sout_mux_sys_t *p_sys = p_mux->p_sys;
1205 int i_data = data->i_buffer;
1207 uint8_t *p_data= data->p_buffer;
1208 block_t *first = NULL, **last = &first;
1209 int i_preheader = p_sys->b_asf_http ? 12 : 0;
1211 while( i_pos < i_data )
1216 if( p_sys->pk == NULL )
1218 p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1219 /* reserve 14 bytes for the packet header */
1220 p_sys->i_pk_used = 14 + i_preheader;
1221 p_sys->i_pk_frame = 0;
1222 p_sys->i_pk_dts = data->i_dts;
1225 bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1226 p_sys->i_packet_size - p_sys->i_pk_used );
1228 /* add payload (header size = 17) */
1229 i_payload = __MIN( i_data - i_pos,
1230 p_sys->i_packet_size - p_sys->i_pk_used - 17 );
1232 if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
1234 /* Don't know why yet but WMP doesn't like splitted WMA packets */
1235 *last = asf_packet_flush( p_mux );
1236 last = &(*last)->p_next;
1240 bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
1241 data->i_flags & BLOCK_FLAG_TYPE_B) ?
1242 0x80 | tk->i_id : tk->i_id );
1243 bo_add_u8 ( &bo, tk->i_sequence );
1244 bo_addle_u32( &bo, i_pos );
1245 bo_add_u8 ( &bo, 0x08 ); /* flags */
1246 bo_addle_u32( &bo, i_data );
1247 bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 +
1248 p_sys->i_preroll_time );
1249 bo_addle_u16( &bo, i_payload );
1250 bo_add_mem ( &bo, &p_data[i_pos], i_payload );
1252 p_sys->i_pk_used += 17 + i_payload;
1254 p_sys->i_pk_frame++;
1256 if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1258 /* Not enough data for another payload, flush the packet */
1259 *last = asf_packet_flush( p_mux );
1260 last = &(*last)->p_next;
1265 block_Release( data );
1270 static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1272 sout_mux_sys_t *p_sys = p_mux->p_sys;
1274 block_t *out = NULL;
1277 if( p_sys->b_asf_http )
1279 out = block_New( p_mux, 12 );
1280 bo_init( &bo, out->p_buffer, 12 );
1281 asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
1286 out = block_New( p_mux, 56 );
1287 bo_init( &bo, out->p_buffer, 56 );
1288 bo_add_guid ( &bo, &asf_object_index_guid );
1289 bo_addle_u64( &bo, 56 );
1290 bo_add_guid ( &bo, &p_sys->fid );
1291 bo_addle_u64( &bo, 10000000 );
1292 bo_addle_u32( &bo, 5 );
1293 bo_addle_u32( &bo, 0 );