1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin at videolan dot 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
32 #include <vlc/input.h>
42 /*****************************************************************************
44 *****************************************************************************/
45 #define FASTSTART_TEXT N_("Create \"Fast start\" files")
46 #define FASTSTART_LONGTEXT N_( \
47 "When this option is turned on, \"Fast start\" files will be created. " \
48 "(\"Fast start\" files are optimized for download, allowing the user " \
49 "to start previewing the file while it is downloading).")
50 static int Open ( vlc_object_t * );
51 static void Close ( vlc_object_t * );
53 #define SOUT_CFG_PREFIX "sout-mp4-"
56 set_description( _("MP4/MOV muxer") );
58 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL, FASTSTART_TEXT, FASTSTART_LONGTEXT,
60 set_capability( "sout mux", 5 );
61 add_shortcut( "mp4" );
62 add_shortcut( "mov" );
63 set_callbacks( Open, Close );
66 /*****************************************************************************
68 *****************************************************************************/
69 static const char *ppsz_sout_options[] = {
73 static int Capability(sout_mux_t *, int, void *, void * );
74 static int AddStream( sout_mux_t *, sout_input_t * );
75 static int DelStream( sout_mux_t *, sout_input_t * );
76 static int Mux ( sout_mux_t * );
78 /*****************************************************************************
80 *****************************************************************************/
98 unsigned int i_entry_count;
99 unsigned int i_entry_max;
101 int64_t i_length_neg;
107 /* for later stco fix-up (fast start files) */
113 struct sout_mux_sys_t
117 vlc_bool_t b_fast_start;
125 mp4_stream_t **pp_streams;
138 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
139 static void bo_add_8 ( bo_t *, uint8_t );
140 static void bo_add_16be ( bo_t *, uint16_t );
141 static void bo_add_24be ( bo_t *, uint32_t );
142 static void bo_add_32be ( bo_t *, uint32_t );
143 static void bo_add_64be ( bo_t *, uint64_t );
144 static void bo_add_fourcc(bo_t *, char * );
145 static void bo_add_bo ( bo_t *, bo_t * );
146 static void bo_add_mem ( bo_t *, int , uint8_t * );
147 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
149 static void bo_fix_32be ( bo_t *, int , uint32_t );
151 static bo_t *box_new ( char *fcc );
152 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
153 static void box_fix ( bo_t *box );
154 static void box_free ( bo_t *box );
155 static void box_gather ( bo_t *box, bo_t *box2 );
157 static void box_send( sout_mux_t *p_mux, bo_t *box );
159 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
161 static bo_t *GetMoovBox( sout_mux_t *p_mux );
163 /*****************************************************************************
165 *****************************************************************************/
166 static int Open( vlc_object_t *p_this )
168 sout_mux_t *p_mux = (sout_mux_t*)p_this;
169 sout_mux_sys_t *p_sys;
172 msg_Dbg( p_mux, "Mp4 muxer opend" );
173 sout_ParseCfg( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
175 p_mux->pf_capacity = Capability;
176 p_mux->pf_addstream = AddStream;
177 p_mux->pf_delstream = DelStream;
179 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
181 p_sys->i_nb_streams = 0;
182 p_sys->pp_streams = NULL;
183 p_sys->i_mdat_pos = 0;
184 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
185 p_sys->i_dts_start = 0;
190 /* Now add ftyp header */
191 box = box_new( "ftyp" );
192 bo_add_fourcc( box, "isom" );
193 bo_add_32be ( box, 0 );
194 bo_add_fourcc( box, "mp41" );
197 p_sys->i_pos += box->i_buffer;
198 p_sys->i_mdat_pos = p_sys->i_pos;
200 box_send( p_mux, box );
204 * Quicktime actually doesn't like the 64 bits extensions !!! */
205 p_sys->b_64_ext = VLC_FALSE;
207 /* Now add mdat header */
208 box = box_new( "mdat" );
209 bo_add_64be ( box, 0 ); // enough to store an extended size
211 p_sys->i_pos += box->i_buffer;
213 box_send( p_mux, box );
218 /*****************************************************************************
220 *****************************************************************************/
221 static void Close( vlc_object_t * p_this )
223 sout_mux_t *p_mux = (sout_mux_t*)p_this;
224 sout_mux_sys_t *p_sys = p_mux->p_sys;
232 msg_Dbg( p_mux, "Close" );
234 /* Update mdat size */
235 bo_init( &bo, 0, NULL, VLC_TRUE );
236 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
239 bo_add_32be ( &bo, 1 );
240 bo_add_fourcc( &bo, "mdat" );
241 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
245 bo_add_32be ( &bo, 8 );
246 bo_add_fourcc( &bo, "wide" );
247 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
248 bo_add_fourcc( &bo, "mdat" );
250 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
253 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
254 sout_AccessOutWrite( p_mux->p_access, p_hdr );
256 /* Create MOOV header */
257 i_moov_pos = p_sys->i_pos;
258 moov = GetMoovBox( p_mux );
260 /* Check we need to create "fast start" files */
261 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
262 p_sys->b_fast_start = val.b_bool;
263 while( p_sys->b_fast_start )
265 /* Move data to the end of the file so we can fit the moov header
268 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
269 int i_moov_size = moov->i_buffer;
273 i_chunk = __MIN( 32768, i_size );
274 p_buf = block_New( p_mux, i_chunk );
275 sout_AccessOutSeek( p_mux->p_access,
276 p_sys->i_mdat_pos + i_size - i_chunk );
277 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
279 msg_Warn( p_this, "read() not supported by acces output, "
280 "won't create a fast start file" );
281 p_sys->b_fast_start = VLC_FALSE;
284 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
285 i_moov_size - i_chunk );
286 sout_AccessOutWrite( p_mux->p_access, p_buf );
290 if( !p_sys->b_fast_start ) break;
292 /* Fix-up samples to chunks table in MOOV header */
293 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
295 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
299 moov->i_buffer = p_stream->i_stco_pos;
300 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
302 if( p_stream->b_stco64 )
303 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
305 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
307 while( i < p_stream->i_entry_count )
309 if( i + 1 < p_stream->i_entry_count &&
310 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
311 != p_stream->entry[i + 1].i_pos )
322 moov->i_buffer = i_moov_size;
323 i_moov_pos = p_sys->i_mdat_pos;
324 p_sys->b_fast_start = VLC_FALSE;
327 /* Write MOOV header */
328 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
329 box_send( p_mux, moov );
332 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
334 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
336 es_format_Clean( &p_stream->fmt );
337 free( p_stream->entry );
340 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
344 /*****************************************************************************
346 *****************************************************************************/
347 static int Capability( sout_mux_t *p_mux, int i_query, void *p_args,
352 case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
353 *(vlc_bool_t*)p_answer = VLC_TRUE;
354 return SOUT_MUX_CAP_ERR_OK;
356 case SOUT_MUX_CAP_GET_ADD_STREAM_WAIT:
357 *(vlc_bool_t*)p_answer = VLC_TRUE;
358 return( SOUT_MUX_CAP_ERR_OK );
361 return SOUT_MUX_CAP_ERR_UNIMPLEMENTED;
365 /*****************************************************************************
367 *****************************************************************************/
368 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
370 sout_mux_sys_t *p_sys = p_mux->p_sys;
371 mp4_stream_t *p_stream;
373 switch( p_input->p_fmt->i_codec )
375 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
376 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
377 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
378 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
379 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
380 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
381 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
382 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
383 case VLC_FOURCC( 'h', '2', '6', '4' ):
386 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
387 (char*)&p_input->p_fmt->i_codec );
391 p_stream = malloc( sizeof( mp4_stream_t ) );
392 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
393 p_stream->i_track_id = p_sys->i_nb_streams + 1;
394 p_stream->i_length_neg = 0;
395 p_stream->i_entry_count = 0;
396 p_stream->i_entry_max = 1000;
398 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
399 p_stream->i_dts_start = 0;
400 p_stream->i_duration = 0;
402 p_input->p_sys = p_stream;
404 msg_Dbg( p_mux, "adding input" );
406 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
410 /*****************************************************************************
412 *****************************************************************************/
413 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
415 msg_Dbg( p_mux, "removing input" );
419 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
425 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
427 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
430 if( p_fifo->i_depth <= 1 )
432 return -1; // wait that all fifo have at least 2 packets
435 p_buf = block_FifoShow( p_fifo );
436 if( i_stream < 0 || p_buf->i_dts < i_dts )
438 i_dts = p_buf->i_dts;
444 *pi_stream = i_stream;
453 /*****************************************************************************
455 *****************************************************************************/
456 static int Mux( sout_mux_t *p_mux )
458 sout_mux_sys_t *p_sys = p_mux->p_sys;
462 sout_input_t *p_input;
464 mp4_stream_t *p_stream;
468 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
470 return( VLC_SUCCESS );
473 p_input = p_mux->pp_inputs[i_stream];
474 p_stream = (mp4_stream_t*)p_input->p_sys;
476 p_data = block_FifoGet( p_input->p_fifo );
477 if( p_input->p_fifo->i_depth > 0 )
479 block_t *p_next = block_FifoShow( p_input->p_fifo );
480 int64_t i_diff = p_next->i_dts - p_data->i_dts;
482 if( i_diff < I64C(1000000 ) ) /* protection */
484 p_data->i_length = i_diff;
487 if( p_data->i_length <= 0 )
489 msg_Warn( p_mux, "i_length <= 0" );
490 p_stream->i_length_neg += p_data->i_length - 1;
491 p_data->i_length = 1;
493 else if( p_stream->i_length_neg < 0 )
495 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
497 p_data->i_length -= i_recover;
498 p_stream->i_length_neg += i_recover;
501 /* Save starting time */
502 if( p_stream->i_entry_count == 0 )
504 p_stream->i_dts_start = p_data->i_dts;
506 /* Update global dts_start */
507 if( p_sys->i_dts_start <= 0 ||
508 p_stream->i_dts_start < p_sys->i_dts_start )
510 p_sys->i_dts_start = p_stream->i_dts_start;
514 /* add index entry */
515 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
516 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
517 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
518 __MAX( p_data->i_pts - p_data->i_dts, 0 );
519 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
520 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
522 p_stream->i_entry_count++;
523 if( p_stream->i_entry_count >= p_stream->i_entry_max )
525 p_stream->i_entry_max += 1000;
527 realloc( p_stream->entry,
528 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
532 p_stream->i_duration += p_data->i_length;
533 p_sys->i_pos += p_data->i_buffer;
536 sout_AccessOutWrite( p_mux->p_access, p_data );
539 return( VLC_SUCCESS );
542 /*****************************************************************************
544 *****************************************************************************/
545 static int GetDescrLength( int i_size )
547 if( i_size < 0x00000080 )
549 else if( i_size < 0x00004000 )
551 else if( i_size < 0x00200000 )
557 static bo_t *GetESDS( mp4_stream_t *p_stream )
561 int i_object_type_indication;
562 int i_decoder_specific_info_size;
564 if( p_stream->fmt.i_extra > 0 )
566 i_decoder_specific_info_size =
567 GetDescrLength( p_stream->fmt.i_extra );
571 i_decoder_specific_info_size = 0;
574 esds = box_full_new( "esds", 0, 0 );
577 bo_add_descr( esds, 0x03, 3 +
578 GetDescrLength( 13 + i_decoder_specific_info_size ) +
579 GetDescrLength( 1 ) );
580 bo_add_16be( esds, p_stream->i_track_id );
581 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
583 /* DecoderConfigDescr */
584 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
586 switch( p_stream->fmt.i_codec )
588 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
589 i_object_type_indication = 0x20;
591 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
592 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
593 i_object_type_indication = 0x60;
595 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
596 /* FIXME for mpeg2-aac == 0x66->0x68 */
597 i_object_type_indication = 0x40;
599 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
600 i_object_type_indication =
601 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
604 i_object_type_indication = 0x00;
607 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
609 bo_add_8 ( esds, i_object_type_indication );
610 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
611 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
612 bo_add_32be( esds, 0x7fffffff ); // maxBitrate
613 bo_add_32be( esds, 0 ); // avgBitrate
615 if( p_stream->fmt.i_extra > 0 )
619 /* DecoderSpecificInfo */
620 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
622 for( i = 0; i < p_stream->fmt.i_extra; i++ )
624 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
628 /* SL_Descr mandatory */
629 bo_add_descr( esds, 0x06, 1 );
630 bo_add_8 ( esds, 0x02 ); // sl_predefined
637 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
642 wave = box_new( "wave" );
644 box = box_new( "frma" );
645 bo_add_fourcc( box, "mp4a" );
647 box_gather( wave, box );
649 box = box_new( "mp4a" );
650 bo_add_32be( box, 0 );
652 box_gather( wave, box );
654 box = GetESDS( p_stream );
656 box_gather( wave, box );
658 box = box_new( "srcq" );
659 bo_add_32be( box, 0x40 );
661 box_gather( wave, box );
664 bo_add_32be( wave, 8 ); /* new empty box */
665 bo_add_32be( wave, 0 ); /* box label */
672 /* TODO: No idea about these values */
673 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
675 bo_t *smi = box_new( "SMI " );
677 if( p_stream->fmt.i_extra > 0x4e )
679 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
680 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
682 while( p + 8 < p_end )
684 int i_size = GetDWBE( p );
687 /* FIXME handle 1 as long size */
690 if( !strncmp( &p[4], "SMI ", 4 ) )
692 bo_add_mem( smi, p_end - p - 8, &p[8] );
699 /* Create a dummy one in fallback */
700 bo_add_fourcc( smi, "SEQH" );
701 bo_add_32be( smi, 0x5 );
702 bo_add_32be( smi, 0xe2c0211d );
703 bo_add_8( smi, 0xc0 );
709 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
711 sout_mux_sys_t *p_sys = p_mux->p_sys;
712 bo_t *udta = box_new( "udta" );
713 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
717 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
719 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
721 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
722 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
724 bo_t *box = box_new( "\251req" );
726 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
727 bo_add_16be( box, 0 );
728 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
729 "QuickTime 6.0 or greater" );
731 box_gather( udta, box );
738 bo_t *box = box_new( "\251enc" );
740 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
741 bo_add_16be( box, 0 );
742 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
743 PACKAGE_STRING " stream output" );
745 box_gather( udta, box );
752 for( i = 0; i < p_meta->i_meta; i++ )
756 if( !strcmp( p_meta->name[i], VLC_META_TITLE ) )
757 box = box_new( "\251nam" );
758 else if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
759 box = box_new( "\251aut" );
760 else if( !strcmp( p_meta->name[i], VLC_META_ARTIST ) )
761 box = box_new( "\251ART" );
762 else if( !strcmp( p_meta->name[i], VLC_META_GENRE ) )
763 box = box_new( "\251gen" );
764 else if( !strcmp( p_meta->name[i], VLC_META_COPYRIGHT ) )
765 box = box_new( "\251cpy" );
766 else if( !strcmp( p_meta->name[i], VLC_META_DESCRIPTION ) )
767 box = box_new( "\251des" );
768 else if( !strcmp( p_meta->name[i], VLC_META_DATE ) )
769 box = box_new( "\251day" );
770 else if( !strcmp( p_meta->name[i], VLC_META_URL ) )
771 box = box_new( "\251url" );
775 bo_add_16be( box, strlen( p_meta->value[i] ) );
776 bo_add_16be( box, 0 );
777 bo_add_mem( box, strlen( p_meta->value[i] ),
780 box_gather( udta, box );
789 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
791 sout_mux_sys_t *p_sys = p_mux->p_sys;
792 vlc_bool_t b_descr = VLC_FALSE;
797 switch( p_stream->fmt.i_codec )
799 case VLC_FOURCC('m','p','4','a'):
800 memcpy( fcc, "mp4a", 4 );
804 case VLC_FOURCC('m','p','g','a'):
806 memcpy( fcc, ".mp3", 4 );
809 memcpy( fcc, "mp4a", 4 );
815 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
819 soun = box_new( fcc );
820 for( i = 0; i < 6; i++ )
822 bo_add_8( soun, 0 ); // reserved;
824 bo_add_16be( soun, 1 ); // data-reference-index
826 /* SoundDescription */
828 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
830 bo_add_16be( soun, 1 ); // version 1;
834 bo_add_16be( soun, 0 ); // version 0;
836 bo_add_16be( soun, 0 ); // revision level (0)
837 bo_add_32be( soun, 0 ); // vendor
839 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
841 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
842 p_stream->fmt.audio.i_bitspersample : 16 );
843 bo_add_16be( soun, -2 ); // compression id
844 bo_add_16be( soun, 0 ); // packet size (0)
845 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
846 bo_add_16be( soun, 0 ); // sampleratelo
848 /* Extended data for SoundDescription V1 */
850 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
852 /* samples per packet */
853 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
854 bo_add_32be( soun, 1536 ); /* bytes per packet */
855 bo_add_32be( soun, 2 ); /* bytes per frame */
856 /* bytes per sample */
857 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
860 /* Add an ES Descriptor */
866 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
868 box = GetWaveTag( p_stream );
872 box = GetESDS( p_stream );
875 box_gather( soun, box );
883 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
890 switch( p_stream->fmt.i_codec )
892 case VLC_FOURCC('m','p','4','v'):
893 case VLC_FOURCC('m','p','g','v'):
894 memcpy( fcc, "mp4v", 4 );
897 case VLC_FOURCC('M','J','P','G'):
898 memcpy( fcc, "mjpa", 4 );
901 case VLC_FOURCC('S','V','Q','1'):
902 memcpy( fcc, "SVQ1", 4 );
905 case VLC_FOURCC('S','V','Q','3'):
906 memcpy( fcc, "SVQ3", 4 );
910 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
914 vide = box_new( fcc );
915 for( i = 0; i < 6; i++ )
917 bo_add_8( vide, 0 ); // reserved;
919 bo_add_16be( vide, 1 ); // data-reference-index
921 bo_add_16be( vide, 0 ); // predefined;
922 bo_add_16be( vide, 0 ); // reserved;
923 for( i = 0; i < 3; i++ )
925 bo_add_32be( vide, 0 ); // predefined;
928 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
929 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
931 bo_add_32be( vide, 0x00480000 ); // h 72dpi
932 bo_add_32be( vide, 0x00480000 ); // v 72dpi
934 bo_add_32be( vide, 0 ); // data size, always 0
935 bo_add_16be( vide, 1 ); // frames count per sample
938 for( i = 0; i < 32; i++ )
943 bo_add_16be( vide, 0x18 ); // depth
944 bo_add_16be( vide, 0xffff ); // predefined
946 /* add an ES Descriptor */
947 switch( p_stream->fmt.i_codec )
949 case VLC_FOURCC('m','p','4','v'):
950 case VLC_FOURCC('m','p','g','v'):
952 bo_t *esds = GetESDS( p_stream );
955 box_gather( vide, esds );
959 case VLC_FOURCC('S','V','Q','3'):
961 bo_t *esds = GetSVQ3Tag( p_stream );
964 box_gather( vide, esds );
977 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
979 sout_mux_sys_t *p_sys = p_mux->p_sys;
980 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
981 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
982 uint32_t i_timescale;
983 int64_t i_dts, i_dts_q;
985 stbl = box_new( "stbl" );
987 /* sample description */
988 stsd = box_full_new( "stsd", 0, 0 );
989 bo_add_32be( stsd, 1 );
990 if( p_stream->fmt.i_cat == AUDIO_ES )
992 bo_t *soun = GetSounBox( p_mux, p_stream );
993 box_gather( stsd, soun );
995 else if( p_stream->fmt.i_cat == VIDEO_ES )
997 bo_t *vide = GetVideBox( p_mux, p_stream );
998 box_gather( stsd, vide );
1002 /* chunk offset table */
1003 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1005 /* 64 bits version */
1006 p_stream->b_stco64 = VLC_TRUE;
1007 stco = box_full_new( "co64", 0, 0 );
1011 /* 32 bits version */
1012 p_stream->b_stco64 = VLC_FALSE;
1013 stco = box_full_new( "stco", 0, 0 );
1015 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1017 /* sample to chunk table */
1018 stsc = box_full_new( "stsc", 0, 0 );
1019 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1021 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1022 i < p_stream->i_entry_count; i_chunk++ )
1026 if( p_stream->b_stco64 )
1027 bo_add_64be( stco, p_stream->entry[i].i_pos );
1029 bo_add_32be( stco, p_stream->entry[i].i_pos );
1031 while( i < p_stream->i_entry_count )
1033 if( i + 1 < p_stream->i_entry_count &&
1034 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1035 != p_stream->entry[i + 1].i_pos )
1044 /* Add entry to the stsc table */
1045 if( i_stsc_last_val != i - i_first )
1047 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1048 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1049 bo_add_32be( stsc, 1 ); // sample-descr-index
1050 i_stsc_last_val = i - i_first;
1055 /* Fix stco entry count */
1056 bo_fix_32be( stco, 12, i_chunk );
1057 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1060 /* Fix stsc entry count */
1061 bo_fix_32be( stsc, 12, i_stsc_entries );
1065 stts = box_full_new( "stts", 0, 0 );
1066 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1068 if( p_stream->fmt.i_cat == AUDIO_ES )
1069 i_timescale = p_stream->fmt.audio.i_rate;
1073 /* first, create quantified length */
1074 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1076 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1077 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1079 i_dts += p_stream->entry[i].i_length;
1081 p_stream->entry[i].i_length =
1082 i_delta * (int64_t)i_timescale / I64C(1000000);
1084 i_dts_q += p_stream->entry[i].i_length;
1086 /* then write encoded table */
1087 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1090 int64_t i_delta = p_stream->entry[i].i_length;
1092 while( i < p_stream->i_entry_count )
1095 if( i >= p_stream->i_entry_count ||
1096 p_stream->entry[i].i_length != i_delta )
1102 bo_add_32be( stts, i - i_first ); // sample-count
1103 bo_add_32be( stts, i_delta ); // sample-delta
1105 bo_fix_32be( stts, 12, i_index );
1108 /* FIXME add ctts ?? FIXME */
1110 stsz = box_full_new( "stsz", 0, 0 );
1111 bo_add_32be( stsz, 0 ); // sample-size
1112 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1113 for( i = 0; i < p_stream->i_entry_count; i++ )
1115 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1119 /* create stss table */
1121 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1123 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1127 stss = box_full_new( "stss", 0, 0 );
1128 bo_add_32be( stss, 0 ); /* fixed later */
1130 bo_add_32be( stss, 1 + i );
1136 bo_fix_32be( stss, 12, i_index );
1140 /* Now gather all boxes into stbl */
1141 box_gather( stbl, stsd );
1142 box_gather( stbl, stts );
1145 box_gather( stbl, stss );
1147 box_gather( stbl, stsc );
1148 box_gather( stbl, stsz );
1149 p_stream->i_stco_pos = stbl->i_buffer + 16;
1150 box_gather( stbl, stco );
1158 static int64_t get_timestamp();
1160 static uint32_t mvhd_matrix[9] =
1161 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1163 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1165 sout_mux_sys_t *p_sys = p_mux->p_sys;
1170 uint32_t i_movie_timescale = 90000;
1171 int64_t i_movie_duration = 0;
1173 moov = box_new( "moov" );
1175 /* Create general info */
1176 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1178 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1179 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1181 msg_Dbg( p_mux, "movie duration %ds",
1182 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1184 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1186 /* *** add /moov/mvhd *** */
1187 if( !p_sys->b_64_ext )
1189 mvhd = box_full_new( "mvhd", 0, 0 );
1190 bo_add_32be( mvhd, get_timestamp() ); // creation time
1191 bo_add_32be( mvhd, get_timestamp() ); // modification time
1192 bo_add_32be( mvhd, i_movie_timescale); // timescale
1193 bo_add_32be( mvhd, i_movie_duration ); // duration
1197 mvhd = box_full_new( "mvhd", 1, 0 );
1198 bo_add_64be( mvhd, get_timestamp() ); // creation time
1199 bo_add_64be( mvhd, get_timestamp() ); // modification time
1200 bo_add_32be( mvhd, i_movie_timescale); // timescale
1201 bo_add_64be( mvhd, i_movie_duration ); // duration
1203 bo_add_32be( mvhd, 0x10000 ); // rate
1204 bo_add_16be( mvhd, 0x100 ); // volume
1205 bo_add_16be( mvhd, 0 ); // reserved
1206 for( i = 0; i < 2; i++ )
1208 bo_add_32be( mvhd, 0 ); // reserved
1210 for( i = 0; i < 9; i++ )
1212 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1214 for( i = 0; i < 6; i++ )
1216 bo_add_32be( mvhd, 0 ); // pre-defined
1219 /* Next available track id */
1220 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1223 box_gather( moov, mvhd );
1225 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1227 mp4_stream_t *p_stream;
1228 uint32_t i_timescale;
1230 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1231 bo_t *minf, *dinf, *dref, *url, *stbl;
1233 p_stream = p_sys->pp_streams[i_trak];
1235 if( p_stream->fmt.i_cat != AUDIO_ES &&
1236 p_stream->fmt.i_cat != VIDEO_ES )
1238 msg_Err( p_mux, "FIXME ignoring trak (noaudio&&novideo)" );
1242 if( p_stream->fmt.i_cat == AUDIO_ES )
1243 i_timescale = p_stream->fmt.audio.i_rate;
1247 /* *** add /moov/trak *** */
1248 trak = box_new( "trak" );
1250 /* *** add /moov/trak/tkhd *** */
1251 if( !p_sys->b_64_ext )
1254 tkhd = box_full_new( "tkhd", 0, 0x0f );
1256 tkhd = box_full_new( "tkhd", 0, 1 );
1258 bo_add_32be( tkhd, get_timestamp() ); // creation time
1259 bo_add_32be( tkhd, get_timestamp() ); // modification time
1260 bo_add_32be( tkhd, p_stream->i_track_id );
1261 bo_add_32be( tkhd, 0 ); // reserved 0
1262 bo_add_32be( tkhd, p_stream->i_duration *
1263 (int64_t)i_movie_timescale /
1264 (mtime_t)1000000 ); // duration
1269 tkhd = box_full_new( "tkhd", 1, 0x0f );
1271 tkhd = box_full_new( "tkhd", 1, 1 );
1273 bo_add_64be( tkhd, get_timestamp() ); // creation time
1274 bo_add_64be( tkhd, get_timestamp() ); // modification time
1275 bo_add_32be( tkhd, p_stream->i_track_id );
1276 bo_add_32be( tkhd, 0 ); // reserved 0
1277 bo_add_64be( tkhd, p_stream->i_duration *
1278 (int64_t)i_movie_timescale /
1279 (mtime_t)1000000 ); // duration
1282 for( i = 0; i < 2; i++ )
1284 bo_add_32be( tkhd, 0 ); // reserved
1286 bo_add_16be( tkhd, 0 ); // layer
1287 bo_add_16be( tkhd, 0 ); // pre-defined
1289 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1290 bo_add_16be( tkhd, 0 ); // reserved
1291 for( i = 0; i < 9; i++ )
1293 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1295 if( p_stream->fmt.i_cat == AUDIO_ES )
1297 bo_add_32be( tkhd, 0 ); // width (presentation)
1298 bo_add_32be( tkhd, 0 ); // height(presentation)
1302 // width (presentation)
1303 bo_add_32be( tkhd, p_stream->fmt.video.i_aspect *
1304 p_stream->fmt.video.i_height /
1305 VOUT_ASPECT_FACTOR << 16 );
1306 // height(presentation)
1307 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1310 box_gather( trak, tkhd );
1312 /* *** add /moov/trak/edts and elst */
1313 edts = box_new( "edts" );
1314 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1315 if( p_stream->i_dts_start > p_sys->i_dts_start )
1317 bo_add_32be( elst, 2 );
1319 if( p_sys->b_64_ext )
1321 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1322 i_movie_timescale / I64C(1000000) );
1323 bo_add_64be( elst, -1 );
1327 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1328 i_movie_timescale / I64C(1000000) );
1329 bo_add_32be( elst, -1 );
1331 bo_add_16be( elst, 1 );
1332 bo_add_16be( elst, 0 );
1336 bo_add_32be( elst, 1 );
1338 if( p_sys->b_64_ext )
1340 bo_add_64be( elst, p_stream->i_duration *
1341 i_movie_timescale / I64C(1000000) );
1342 bo_add_64be( elst, 0 );
1346 bo_add_32be( elst, p_stream->i_duration *
1347 i_movie_timescale / I64C(1000000) );
1348 bo_add_32be( elst, 0 );
1350 bo_add_16be( elst, 1 );
1351 bo_add_16be( elst, 0 );
1354 box_gather( edts, elst );
1356 box_gather( trak, edts );
1358 /* *** add /moov/trak/mdia *** */
1359 mdia = box_new( "mdia" );
1362 if( !p_sys->b_64_ext )
1364 mdhd = box_full_new( "mdhd", 0, 0 );
1365 bo_add_32be( mdhd, get_timestamp() ); // creation time
1366 bo_add_32be( mdhd, get_timestamp() ); // modification time
1367 bo_add_32be( mdhd, i_timescale); // timescale
1368 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1369 (mtime_t)1000000 ); // duration
1373 mdhd = box_full_new( "mdhd", 1, 0 );
1374 bo_add_64be( mdhd, get_timestamp() ); // creation time
1375 bo_add_64be( mdhd, get_timestamp() ); // modification time
1376 bo_add_32be( mdhd, i_timescale); // timescale
1377 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1378 (mtime_t)1000000 ); // duration
1381 if( p_stream->fmt.psz_language )
1383 char *psz = p_stream->fmt.psz_language;
1384 const iso639_lang_t *pl = NULL;
1385 uint16_t lang = 0x0;
1387 if( strlen( psz ) == 2 )
1389 pl = GetLang_1( psz );
1391 else if( strlen( psz ) == 3 )
1393 pl = GetLang_2B( psz );
1394 if( !strcmp( pl->psz_iso639_1, "??" ) )
1396 pl = GetLang_2T( psz );
1399 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1401 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1402 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1403 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1405 bo_add_16be( mdhd, lang ); // language
1409 bo_add_16be( mdhd, 0 ); // language
1411 bo_add_16be( mdhd, 0 ); // predefined
1413 box_gather( mdia, mdhd );
1415 /* handler reference */
1416 hdlr = box_full_new( "hdlr", 0, 0 );
1418 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1419 if( p_stream->fmt.i_cat == AUDIO_ES )
1421 bo_add_fourcc( hdlr, "soun" );
1425 bo_add_fourcc( hdlr, "vide" );
1428 bo_add_32be( hdlr, 0 ); // reserved
1429 bo_add_32be( hdlr, 0 ); // reserved
1430 bo_add_32be( hdlr, 0 ); // reserved
1432 bo_add_8( hdlr, 12 );
1433 if( p_stream->fmt.i_cat == AUDIO_ES )
1434 bo_add_mem( hdlr, 12, "SoundHandler" );
1436 bo_add_mem( hdlr, 12, "VideoHandler" );
1439 box_gather( mdia, hdlr );
1442 minf = box_new( "minf" );
1445 if( p_stream->fmt.i_cat == AUDIO_ES )
1449 smhd = box_full_new( "smhd", 0, 0 );
1450 bo_add_16be( smhd, 0 ); // balance
1451 bo_add_16be( smhd, 0 ); // reserved
1454 box_gather( minf, smhd );
1456 else if( p_stream->fmt.i_cat == VIDEO_ES )
1460 vmhd = box_full_new( "vmhd", 0, 1 );
1461 bo_add_16be( vmhd, 0 ); // graphicsmode
1462 for( i = 0; i < 3; i++ )
1464 bo_add_16be( vmhd, 0 ); // opcolor
1468 box_gather( minf, vmhd );
1472 dinf = box_new( "dinf" );
1473 dref = box_full_new( "dref", 0, 0 );
1474 bo_add_32be( dref, 1 );
1475 url = box_full_new( "url ", 0, 0x01 );
1477 box_gather( dref, url );
1479 box_gather( dinf, dref );
1481 /* append dinf to mdia */
1483 box_gather( minf, dinf );
1486 stbl = GetStblBox( p_mux, p_stream );
1488 /* append stbl to minf */
1489 p_stream->i_stco_pos += minf->i_buffer;
1490 box_gather( minf, stbl );
1492 /* append minf to mdia */
1494 p_stream->i_stco_pos += mdia->i_buffer;
1495 box_gather( mdia, minf );
1497 /* append mdia to trak */
1499 p_stream->i_stco_pos += trak->i_buffer;
1500 box_gather( trak, mdia );
1502 /* append trak to moov */
1504 p_stream->i_stco_pos += moov->i_buffer;
1505 box_gather( moov, trak );
1508 /* Add user data tags */
1509 box_gather( moov, GetUdtaTag( p_mux ) );
1515 /****************************************************************************/
1517 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1522 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1523 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1527 p_bo->i_buffer_size = i_size;
1528 p_bo->p_buffer = p_buffer;
1531 p_bo->b_grow = b_grow;
1535 static void bo_add_8( bo_t *p_bo, uint8_t i )
1537 if( p_bo->i_buffer < p_bo->i_buffer_size )
1539 p_bo->p_buffer[p_bo->i_buffer] = i;
1541 else if( p_bo->b_grow )
1543 p_bo->i_buffer_size += 1024;
1544 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1546 p_bo->p_buffer[p_bo->i_buffer] = i;
1552 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1554 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1555 bo_add_8( p_bo, i &0xff );
1558 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1560 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1561 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1562 bo_add_8( p_bo, ( i &0xff ) );
1564 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1566 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1567 bo_add_16be( p_bo, i &0xffff );
1570 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1572 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1573 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1574 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1575 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1578 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1580 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1581 bo_add_32be( p_bo, i &0xffffffff );
1584 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1586 bo_add_8( p_bo, fcc[0] );
1587 bo_add_8( p_bo, fcc[1] );
1588 bo_add_8( p_bo, fcc[2] );
1589 bo_add_8( p_bo, fcc[3] );
1592 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1596 for( i = 0; i < i_size; i++ )
1598 bo_add_8( p_bo, p_mem[i] );
1602 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
1608 vals[3] = (unsigned char)(i_length & 0x7f);
1610 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
1612 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
1614 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
1616 bo_add_8( p_bo, tag );
1618 if( i_size < 0x00000080 )
1620 bo_add_8( p_bo, vals[3] );
1622 else if( i_size < 0x00004000 )
1624 bo_add_8( p_bo, vals[2] );
1625 bo_add_8( p_bo, vals[3] );
1627 else if( i_size < 0x00200000 )
1629 bo_add_8( p_bo, vals[1] );
1630 bo_add_8( p_bo, vals[2] );
1631 bo_add_8( p_bo, vals[3] );
1633 else if( i_size < 0x10000000 )
1635 bo_add_8( p_bo, vals[0] );
1636 bo_add_8( p_bo, vals[1] );
1637 bo_add_8( p_bo, vals[2] );
1638 bo_add_8( p_bo, vals[3] );
1642 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
1646 for( i = 0; i < p_bo2->i_buffer; i++ )
1648 bo_add_8( p_bo, p_bo2->p_buffer[i] );
1652 static bo_t * box_new( char *fcc )
1656 if( ( box = malloc( sizeof( bo_t ) ) ) )
1658 bo_init( box, 0, NULL, VLC_TRUE );
1660 bo_add_32be ( box, 0 );
1661 bo_add_fourcc( box, fcc );
1667 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
1671 if( ( box = malloc( sizeof( bo_t ) ) ) )
1673 bo_init( box, 0, NULL, VLC_TRUE );
1675 bo_add_32be ( box, 0 );
1676 bo_add_fourcc( box, fcc );
1677 bo_add_8 ( box, v );
1678 bo_add_24be ( box, f );
1684 static void box_fix( bo_t *box )
1688 memcpy( &box_tmp, box, sizeof( bo_t ) );
1690 box_tmp.i_buffer = 0;
1691 bo_add_32be( &box_tmp, box->i_buffer );
1694 static void box_free( bo_t *box )
1698 free( box->p_buffer );
1704 static void box_gather ( bo_t *box, bo_t *box2 )
1706 bo_add_bo( box, box2 );
1710 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
1714 p_buf = block_New( p_sout, box->i_buffer );
1715 if( box->i_buffer > 0 )
1717 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
1723 static void box_send( sout_mux_t *p_mux, bo_t *box )
1727 p_buf = bo_to_sout( p_mux->p_sout, box );
1730 sout_AccessOutWrite( p_mux->p_access, p_buf );
1733 static int64_t get_timestamp()
1735 int64_t i_timestamp = 0;
1738 i_timestamp = time(NULL);
1739 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
1740 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60