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 * );
54 set_description( _("MP4/MOV muxer") );
56 add_bool( "mp4-faststart", 1, NULL, FASTSTART_TEXT, FASTSTART_LONGTEXT,
59 set_capability( "sout mux", 5 );
60 add_shortcut( "mp4" );
61 add_shortcut( "mov" );
62 set_callbacks( Open, Close );
65 /*****************************************************************************
67 *****************************************************************************/
68 static int Capability(sout_mux_t *, int, void *, void * );
69 static int AddStream( sout_mux_t *, sout_input_t * );
70 static int DelStream( sout_mux_t *, sout_input_t * );
71 static int Mux ( sout_mux_t * );
73 /*****************************************************************************
75 *****************************************************************************/
93 unsigned int i_entry_count;
94 unsigned int i_entry_max;
102 /* for later stco fix-up (fast start files) */
108 struct sout_mux_sys_t
112 vlc_bool_t b_fast_start;
120 mp4_stream_t **pp_streams;
133 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
134 static void bo_add_8 ( bo_t *, uint8_t );
135 static void bo_add_16be ( bo_t *, uint16_t );
136 static void bo_add_24be ( bo_t *, uint32_t );
137 static void bo_add_32be ( bo_t *, uint32_t );
138 static void bo_add_64be ( bo_t *, uint64_t );
139 static void bo_add_fourcc(bo_t *, char * );
140 static void bo_add_bo ( bo_t *, bo_t * );
141 static void bo_add_mem ( bo_t *, int , uint8_t * );
142 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
144 static void bo_fix_32be ( bo_t *, int , uint32_t );
146 static bo_t *box_new ( char *fcc );
147 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
148 static void box_fix ( bo_t *box );
149 static void box_free ( bo_t *box );
150 static void box_gather ( bo_t *box, bo_t *box2 );
152 static void box_send( sout_mux_t *p_mux, bo_t *box );
154 static sout_buffer_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
156 static bo_t *GetMoovBox( sout_mux_t *p_mux );
158 /*****************************************************************************
160 *****************************************************************************/
161 static int Open( vlc_object_t *p_this )
163 sout_mux_t *p_mux = (sout_mux_t*)p_this;
164 sout_mux_sys_t *p_sys;
167 p_sys = malloc( sizeof( sout_mux_sys_t ) );
169 p_sys->i_nb_streams = 0;
170 p_sys->pp_streams = NULL;
171 p_sys->i_mdat_pos = 0;
172 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
173 p_sys->i_dts_start = 0;
175 msg_Dbg( p_mux, "Open" );
177 p_mux->pf_capacity = Capability;
178 p_mux->pf_addstream = AddStream;
179 p_mux->pf_delstream = DelStream;
181 p_mux->p_sys = p_sys;
185 /* Now add ftyp header */
186 box = box_new( "ftyp" );
187 bo_add_fourcc( box, "isom" );
188 bo_add_32be ( box, 0 );
189 bo_add_fourcc( box, "mp41" );
192 p_sys->i_pos += box->i_buffer;
193 p_sys->i_mdat_pos = p_sys->i_pos;
195 box_send( p_mux, box );
199 * Quicktime actually doesn't like the 64 bits extensions !!! */
200 p_sys->b_64_ext = VLC_FALSE;
202 /* Now add mdat header */
203 box = box_new( "mdat" );
204 bo_add_64be ( box, 0 ); // enough to store an extended size
206 p_sys->i_pos += box->i_buffer;
208 box_send( p_mux, box );
213 /*****************************************************************************
215 *****************************************************************************/
216 static void Close( vlc_object_t * p_this )
218 sout_mux_t *p_mux = (sout_mux_t*)p_this;
219 sout_mux_sys_t *p_sys = p_mux->p_sys;
220 sout_buffer_t *p_hdr;
227 msg_Dbg( p_mux, "Close" );
229 /* Update mdat size */
230 bo_init( &bo, 0, NULL, VLC_TRUE );
231 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
234 bo_add_32be ( &bo, 1 );
235 bo_add_fourcc( &bo, "mdat" );
236 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
240 bo_add_32be ( &bo, 8 );
241 bo_add_fourcc( &bo, "wide" );
242 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
243 bo_add_fourcc( &bo, "mdat" );
245 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
248 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
249 sout_AccessOutWrite( p_mux->p_access, p_hdr );
251 /* Create MOOV header */
252 i_moov_pos = p_sys->i_pos;
253 moov = GetMoovBox( p_mux );
255 /* Check we need to create "fast start" files */
256 var_Create( p_this, "mp4-faststart", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
257 var_Get( p_this, "mp4-faststart", &val );
258 p_sys->b_fast_start = val.b_bool;
259 while( p_sys->b_fast_start )
261 /* Move data to the end of the file so we can fit the moov header
263 sout_buffer_t *p_buf;
264 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
265 int i_moov_size = moov->i_buffer;
269 i_chunk = __MIN( 32768, i_size );
270 p_buf = sout_BufferNew( p_mux->p_sout, i_chunk );
271 sout_AccessOutSeek( p_mux->p_access,
272 p_sys->i_mdat_pos + i_size - i_chunk );
273 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
275 msg_Warn( p_this, "read() not supported by acces output, "
276 "won't create a fast start file" );
277 p_sys->b_fast_start = VLC_FALSE;
280 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
281 i_moov_size - i_chunk );
282 sout_AccessOutWrite( p_mux->p_access, p_buf );
286 if( !p_sys->b_fast_start ) break;
288 /* Fix-up samples to chunks table in MOOV header */
289 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
291 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
295 moov->i_buffer = p_stream->i_stco_pos;
296 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
298 if( p_stream->b_stco64 )
299 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
301 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
303 while( i < p_stream->i_entry_count )
305 if( i + 1 < p_stream->i_entry_count &&
306 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
307 != p_stream->entry[i + 1].i_pos )
318 moov->i_buffer = i_moov_size;
319 i_moov_pos = p_sys->i_mdat_pos;
320 p_sys->b_fast_start = VLC_FALSE;
323 /* Write MOOV header */
324 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
325 box_send( p_mux, moov );
328 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
330 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
332 es_format_Clean( &p_stream->fmt );
333 free( p_stream->entry );
336 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
340 /*****************************************************************************
342 *****************************************************************************/
343 static int Capability( sout_mux_t *p_mux, int i_query, void *p_args,
348 case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
349 *(vlc_bool_t*)p_answer = VLC_TRUE;
350 return SOUT_MUX_CAP_ERR_OK;
352 case SOUT_MUX_CAP_GET_ADD_STREAM_WAIT:
353 *(vlc_bool_t*)p_answer = VLC_TRUE;
354 return( SOUT_MUX_CAP_ERR_OK );
357 return SOUT_MUX_CAP_ERR_UNIMPLEMENTED;
361 /*****************************************************************************
363 *****************************************************************************/
364 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
366 sout_mux_sys_t *p_sys = p_mux->p_sys;
367 mp4_stream_t *p_stream;
369 switch( p_input->p_fmt->i_codec )
371 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
372 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
373 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
374 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
375 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
376 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
377 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
378 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
379 case VLC_FOURCC( 'h', '2', '6', '4' ):
382 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
383 (char*)&p_input->p_fmt->i_codec );
387 p_stream = malloc( sizeof( mp4_stream_t ) );
388 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
389 p_stream->i_track_id = p_sys->i_nb_streams + 1;
390 p_stream->i_length_neg = 0;
391 p_stream->i_entry_count = 0;
392 p_stream->i_entry_max = 1000;
394 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
395 p_stream->i_dts_start = 0;
396 p_stream->i_duration = 0;
398 p_input->p_sys = p_stream;
400 msg_Dbg( p_mux, "adding input" );
402 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
406 /*****************************************************************************
408 *****************************************************************************/
409 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
411 msg_Dbg( p_mux, "removing input" );
415 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
421 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
423 sout_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
424 sout_buffer_t *p_buf;
426 if( p_fifo->i_depth <= 1 )
428 return -1; // wait that all fifo have at least 2 packets
431 p_buf = sout_FifoShow( p_fifo );
432 if( i_stream < 0 || p_buf->i_dts < i_dts )
434 i_dts = p_buf->i_dts;
440 *pi_stream = i_stream;
449 /*****************************************************************************
451 *****************************************************************************/
452 static int Mux( sout_mux_t *p_mux )
454 sout_mux_sys_t *p_sys = p_mux->p_sys;
458 sout_input_t *p_input;
460 mp4_stream_t *p_stream;
461 sout_buffer_t *p_data;
464 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
466 return( VLC_SUCCESS );
469 p_input = p_mux->pp_inputs[i_stream];
470 p_stream = (mp4_stream_t*)p_input->p_sys;
472 p_data = sout_FifoGet( p_input->p_fifo );
473 if( p_input->p_fifo->i_depth > 0 )
475 sout_buffer_t *p_next = sout_FifoShow( p_input->p_fifo );
476 int64_t i_diff = p_next->i_dts - p_data->i_dts;
478 if( i_diff < I64C(1000000 ) ) /* protection */
480 p_data->i_length = i_diff;
483 if( p_data->i_length <= 0 )
485 msg_Warn( p_mux, "i_length <= 0" );
486 p_stream->i_length_neg += p_data->i_length - 1;
487 p_data->i_length = 1;
489 else if( p_stream->i_length_neg < 0 )
491 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
493 p_data->i_length -= i_recover;
494 p_stream->i_length_neg += i_recover;
497 /* Save starting time */
498 if( p_stream->i_entry_count == 0 )
500 p_stream->i_dts_start = p_data->i_dts;
502 /* Update global dts_start */
503 if( p_sys->i_dts_start <= 0 ||
504 p_stream->i_dts_start < p_sys->i_dts_start )
506 p_sys->i_dts_start = p_stream->i_dts_start;
510 /* add index entry */
511 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
512 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_size;
513 p_stream->entry[p_stream->i_entry_count].i_pts_dts= __MAX( p_data->i_pts - p_data->i_dts, 0 );
514 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
515 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
517 p_stream->i_entry_count++;
518 if( p_stream->i_entry_count >= p_stream->i_entry_max )
520 p_stream->i_entry_max += 1000;
522 realloc( p_stream->entry,
523 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
527 p_stream->i_duration += p_data->i_length;
528 p_sys->i_pos += p_data->i_size;
531 sout_AccessOutWrite( p_mux->p_access, p_data );
534 return( VLC_SUCCESS );
537 /*****************************************************************************
539 *****************************************************************************/
540 static int GetDescrLength( int i_size )
542 if( i_size < 0x00000080 )
544 else if( i_size < 0x00004000 )
546 else if( i_size < 0x00200000 )
552 static bo_t *GetESDS( mp4_stream_t *p_stream )
556 int i_object_type_indication;
557 int i_decoder_specific_info_size;
559 if( p_stream->fmt.i_extra > 0 )
561 i_decoder_specific_info_size =
562 GetDescrLength( p_stream->fmt.i_extra );
566 i_decoder_specific_info_size = 0;
569 esds = box_full_new( "esds", 0, 0 );
572 bo_add_descr( esds, 0x03, 3 +
573 GetDescrLength( 13 + i_decoder_specific_info_size ) +
574 GetDescrLength( 1 ) );
575 bo_add_16be( esds, p_stream->i_track_id );
576 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
578 /* DecoderConfigDescr */
579 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
581 switch( p_stream->fmt.i_codec )
583 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
584 i_object_type_indication = 0x20;
586 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
587 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
588 i_object_type_indication = 0x60;
590 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
591 /* FIXME for mpeg2-aac == 0x66->0x68 */
592 i_object_type_indication = 0x40;
594 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
595 i_object_type_indication =
596 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
599 i_object_type_indication = 0x00;
602 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
604 bo_add_8 ( esds, i_object_type_indication );
605 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
606 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
607 bo_add_32be( esds, 0x7fffffff ); // maxBitrate
608 bo_add_32be( esds, 0 ); // avgBitrate
610 if( p_stream->fmt.i_extra > 0 )
614 /* DecoderSpecificInfo */
615 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
617 for( i = 0; i < p_stream->fmt.i_extra; i++ )
619 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
623 /* SL_Descr mandatory */
624 bo_add_descr( esds, 0x06, 1 );
625 bo_add_8 ( esds, 0x02 ); // sl_predefined
632 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
637 wave = box_new( "wave" );
639 box = box_new( "frma" );
640 bo_add_fourcc( box, "mp4a" );
642 box_gather( wave, box );
644 box = box_new( "mp4a" );
645 bo_add_32be( box, 0 );
647 box_gather( wave, box );
649 box = GetESDS( p_stream );
651 box_gather( wave, box );
653 box = box_new( "srcq" );
654 bo_add_32be( box, 0x40 );
656 box_gather( wave, box );
659 bo_add_32be( wave, 8 ); /* new empty box */
660 bo_add_32be( wave, 0 ); /* box label */
667 /* TODO: No idea about these values */
668 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
670 bo_t *smi = box_new( "SMI " );
672 if( p_stream->fmt.i_extra > 0x4e )
674 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
675 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
677 while( p + 8 < p_end )
679 int i_size = GetDWBE( p );
682 /* FIXME handle 1 as long size */
685 if( !strncmp( &p[4], "SMI ", 4 ) )
687 bo_add_mem( smi, p_end - p - 8, &p[8] );
694 /* Create a dummy one in fallback */
695 bo_add_fourcc( smi, "SEQH" );
696 bo_add_32be( smi, 0x5 );
697 bo_add_32be( smi, 0xe2c0211d );
698 bo_add_8( smi, 0xc0 );
704 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
706 sout_mux_sys_t *p_sys = p_mux->p_sys;
707 bo_t *udta = box_new( "udta" );
708 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
712 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
714 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
716 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
717 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
719 bo_t *box = box_new( "\251req" );
721 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
722 bo_add_16be( box, 0 );
723 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
724 "QuickTime 6.0 or greater" );
726 box_gather( udta, box );
733 bo_t *box = box_new( "\251enc" );
735 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
736 bo_add_16be( box, 0 );
737 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
738 PACKAGE_STRING " stream output" );
740 box_gather( udta, box );
745 for( i = 0; i < p_meta->i_meta; i++ )
749 if( !strcmp( p_meta->name[i], VLC_META_TITLE ) )
751 box = box_new( "\251nam" );
753 else if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
755 box = box_new( "\251aut" );
757 else if( !strcmp( p_meta->name[i], VLC_META_ARTIST ) )
759 box = box_new( "\251ART" );
761 else if( !strcmp( p_meta->name[i], VLC_META_COPYRIGHT ) )
763 box = box_new( "\251cpy" );
768 bo_add_16be( box, strlen( p_meta->value[i] ) );
769 bo_add_16be( box, 0 );
770 bo_add_mem( box, strlen( p_meta->value[i] ), p_meta->value[i] );
772 box_gather( udta, box );
781 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
783 sout_mux_sys_t *p_sys = p_mux->p_sys;
784 vlc_bool_t b_descr = VLC_FALSE;
789 switch( p_stream->fmt.i_codec )
791 case VLC_FOURCC('m','p','4','a'):
792 memcpy( fcc, "mp4a", 4 );
796 case VLC_FOURCC('m','p','g','a'):
798 memcpy( fcc, ".mp3", 4 );
801 memcpy( fcc, "mp4a", 4 );
807 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
811 soun = box_new( fcc );
812 for( i = 0; i < 6; i++ )
814 bo_add_8( soun, 0 ); // reserved;
816 bo_add_16be( soun, 1 ); // data-reference-index
818 /* SoundDescription */
820 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
822 bo_add_16be( soun, 1 ); // version 1;
826 bo_add_16be( soun, 0 ); // version 0;
828 bo_add_16be( soun, 0 ); // revision level (0)
829 bo_add_32be( soun, 0 ); // vendor
831 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
833 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
834 p_stream->fmt.audio.i_bitspersample : 16 );
835 bo_add_16be( soun, -2 ); // compression id
836 bo_add_16be( soun, 0 ); // packet size (0)
837 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
838 bo_add_16be( soun, 0 ); // sampleratelo
840 /* Extended data for SoundDescription V1 */
842 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
844 /* samples per packet */
845 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
846 bo_add_32be( soun, 1536 ); /* bytes per packet */
847 bo_add_32be( soun, 2 ); /* bytes per frame */
848 /* bytes per sample */
849 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
852 /* Add an ES Descriptor */
858 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
860 box = GetWaveTag( p_stream );
864 box = GetESDS( p_stream );
867 box_gather( soun, box );
875 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
882 switch( p_stream->fmt.i_codec )
884 case VLC_FOURCC('m','p','4','v'):
885 case VLC_FOURCC('m','p','g','v'):
886 memcpy( fcc, "mp4v", 4 );
889 case VLC_FOURCC('M','J','P','G'):
890 memcpy( fcc, "mjpa", 4 );
893 case VLC_FOURCC('S','V','Q','1'):
894 memcpy( fcc, "SVQ1", 4 );
897 case VLC_FOURCC('S','V','Q','3'):
898 memcpy( fcc, "SVQ3", 4 );
902 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
906 vide = box_new( fcc );
907 for( i = 0; i < 6; i++ )
909 bo_add_8( vide, 0 ); // reserved;
911 bo_add_16be( vide, 1 ); // data-reference-index
913 bo_add_16be( vide, 0 ); // predefined;
914 bo_add_16be( vide, 0 ); // reserved;
915 for( i = 0; i < 3; i++ )
917 bo_add_32be( vide, 0 ); // predefined;
920 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
921 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
923 bo_add_32be( vide, 0x00480000 ); // h 72dpi
924 bo_add_32be( vide, 0x00480000 ); // v 72dpi
926 bo_add_32be( vide, 0 ); // data size, always 0
927 bo_add_16be( vide, 1 ); // frames count per sample
930 for( i = 0; i < 32; i++ )
935 bo_add_16be( vide, 0x18 ); // depth
936 bo_add_16be( vide, 0xffff ); // predefined
938 /* add an ES Descriptor */
939 switch( p_stream->fmt.i_codec )
941 case VLC_FOURCC('m','p','4','v'):
942 case VLC_FOURCC('m','p','g','v'):
944 bo_t *esds = GetESDS( p_stream );
947 box_gather( vide, esds );
951 case VLC_FOURCC('S','V','Q','3'):
953 bo_t *esds = GetSVQ3Tag( p_stream );
956 box_gather( vide, esds );
969 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
971 sout_mux_sys_t *p_sys = p_mux->p_sys;
972 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
973 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
974 uint32_t i_timescale;
975 int64_t i_dts, i_dts_q;
977 stbl = box_new( "stbl" );
979 /* sample description */
980 stsd = box_full_new( "stsd", 0, 0 );
981 bo_add_32be( stsd, 1 );
982 if( p_stream->fmt.i_cat == AUDIO_ES )
984 bo_t *soun = GetSounBox( p_mux, p_stream );
985 box_gather( stsd, soun );
987 else if( p_stream->fmt.i_cat == VIDEO_ES )
989 bo_t *vide = GetVideBox( p_mux, p_stream );
990 box_gather( stsd, vide );
994 /* chunk offset table */
995 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
997 /* 64 bits version */
998 p_stream->b_stco64 = VLC_TRUE;
999 stco = box_full_new( "co64", 0, 0 );
1003 /* 32 bits version */
1004 p_stream->b_stco64 = VLC_FALSE;
1005 stco = box_full_new( "stco", 0, 0 );
1007 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1009 /* sample to chunk table */
1010 stsc = box_full_new( "stsc", 0, 0 );
1011 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1013 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1014 i < p_stream->i_entry_count; i_chunk++ )
1018 if( p_stream->b_stco64 )
1019 bo_add_64be( stco, p_stream->entry[i].i_pos );
1021 bo_add_32be( stco, p_stream->entry[i].i_pos );
1023 while( i < p_stream->i_entry_count )
1025 if( i + 1 < p_stream->i_entry_count &&
1026 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1027 != p_stream->entry[i + 1].i_pos )
1036 /* Add entry to the stsc table */
1037 if( i_stsc_last_val != i - i_first )
1039 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1040 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1041 bo_add_32be( stsc, 1 ); // sample-descr-index
1042 i_stsc_last_val = i - i_first;
1047 /* Fix stco entry count */
1048 bo_fix_32be( stco, 12, i_chunk );
1049 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1052 /* Fix stsc entry count */
1053 bo_fix_32be( stsc, 12, i_stsc_entries );
1057 stts = box_full_new( "stts", 0, 0 );
1058 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1060 if( p_stream->fmt.i_cat == AUDIO_ES )
1061 i_timescale = p_stream->fmt.audio.i_rate;
1065 /* first, create quantified length */
1066 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1068 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1069 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1071 i_dts += p_stream->entry[i].i_length;
1073 p_stream->entry[i].i_length = i_delta * (int64_t)i_timescale / I64C(1000000);;
1075 i_dts_q += p_stream->entry[i].i_length;
1077 /* then write encoded table */
1078 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1081 int64_t i_delta = p_stream->entry[i].i_length;
1083 while( i < p_stream->i_entry_count )
1086 if( i >= p_stream->i_entry_count ||
1087 p_stream->entry[i].i_length != i_delta )
1093 bo_add_32be( stts, i - i_first ); // sample-count
1094 bo_add_32be( stts, i_delta ); // sample-delta
1096 bo_fix_32be( stts, 12, i_index );
1099 /* FIXME add ctts ?? FIXME */
1101 stsz = box_full_new( "stsz", 0, 0 );
1102 bo_add_32be( stsz, 0 ); // sample-size
1103 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1104 for( i = 0; i < p_stream->i_entry_count; i++ )
1106 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1110 /* create stss table */
1112 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1114 if( p_stream->entry[i].i_flags & (BLOCK_FLAG_TYPE_I<<SOUT_BUFFER_FLAGS_BLOCK_SHIFT) )
1118 stss = box_full_new( "stss", 0, 0 );
1119 bo_add_32be( stss, 0 ); /* fixed later */
1121 bo_add_32be( stss, 1 + i );
1127 bo_fix_32be( stss, 12, i_index );
1131 /* Now gather all boxes into stbl */
1132 box_gather( stbl, stsd );
1133 box_gather( stbl, stts );
1136 box_gather( stbl, stss );
1138 box_gather( stbl, stsc );
1139 box_gather( stbl, stsz );
1140 p_stream->i_stco_pos = stbl->i_buffer + 16;
1141 box_gather( stbl, stco );
1149 static int64_t get_timestamp();
1151 static uint32_t mvhd_matrix[9] =
1152 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1154 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1156 sout_mux_sys_t *p_sys = p_mux->p_sys;
1161 uint32_t i_movie_timescale = 90000;
1162 int64_t i_movie_duration = 0;
1164 moov = box_new( "moov" );
1166 /* Create general info */
1167 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1169 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1170 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1172 msg_Dbg( p_mux, "movie duration %ds",
1173 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1175 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1177 /* *** add /moov/mvhd *** */
1178 if( !p_sys->b_64_ext )
1180 mvhd = box_full_new( "mvhd", 0, 0 );
1181 bo_add_32be( mvhd, get_timestamp() ); // creation time
1182 bo_add_32be( mvhd, get_timestamp() ); // modification time
1183 bo_add_32be( mvhd, i_movie_timescale); // timescale
1184 bo_add_32be( mvhd, i_movie_duration ); // duration
1188 mvhd = box_full_new( "mvhd", 1, 0 );
1189 bo_add_64be( mvhd, get_timestamp() ); // creation time
1190 bo_add_64be( mvhd, get_timestamp() ); // modification time
1191 bo_add_32be( mvhd, i_movie_timescale); // timescale
1192 bo_add_64be( mvhd, i_movie_duration ); // duration
1194 bo_add_32be( mvhd, 0x10000 ); // rate
1195 bo_add_16be( mvhd, 0x100 ); // volume
1196 bo_add_16be( mvhd, 0 ); // reserved
1197 for( i = 0; i < 2; i++ )
1199 bo_add_32be( mvhd, 0 ); // reserved
1201 for( i = 0; i < 9; i++ )
1203 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1205 for( i = 0; i < 6; i++ )
1207 bo_add_32be( mvhd, 0 ); // pre-defined
1210 /* Next available track id */
1211 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1214 box_gather( moov, mvhd );
1216 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1218 mp4_stream_t *p_stream;
1219 uint32_t i_timescale;
1221 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1222 bo_t *minf, *dinf, *dref, *url, *stbl;
1224 p_stream = p_sys->pp_streams[i_trak];
1226 if( p_stream->fmt.i_cat != AUDIO_ES &&
1227 p_stream->fmt.i_cat != VIDEO_ES )
1229 msg_Err( p_mux, "FIXME ignoring trak (noaudio&&novideo)" );
1233 if( p_stream->fmt.i_cat == AUDIO_ES )
1234 i_timescale = p_stream->fmt.audio.i_rate;
1238 /* *** add /moov/trak *** */
1239 trak = box_new( "trak" );
1241 /* *** add /moov/trak/tkhd *** */
1242 if( !p_sys->b_64_ext )
1245 tkhd = box_full_new( "tkhd", 0, 0x0f );
1247 tkhd = box_full_new( "tkhd", 0, 1 );
1249 bo_add_32be( tkhd, get_timestamp() ); // creation time
1250 bo_add_32be( tkhd, get_timestamp() ); // modification time
1251 bo_add_32be( tkhd, p_stream->i_track_id );
1252 bo_add_32be( tkhd, 0 ); // reserved 0
1253 bo_add_32be( tkhd, p_stream->i_duration *
1254 (int64_t)i_movie_timescale /
1255 (mtime_t)1000000 ); // duration
1260 tkhd = box_full_new( "tkhd", 1, 0x0f );
1262 tkhd = box_full_new( "tkhd", 1, 1 );
1264 bo_add_64be( tkhd, get_timestamp() ); // creation time
1265 bo_add_64be( tkhd, get_timestamp() ); // modification time
1266 bo_add_32be( tkhd, p_stream->i_track_id );
1267 bo_add_32be( tkhd, 0 ); // reserved 0
1268 bo_add_64be( tkhd, p_stream->i_duration *
1269 (int64_t)i_movie_timescale /
1270 (mtime_t)1000000 ); // duration
1273 for( i = 0; i < 2; i++ )
1275 bo_add_32be( tkhd, 0 ); // reserved
1277 bo_add_16be( tkhd, 0 ); // layer
1278 bo_add_16be( tkhd, 0 ); // pre-defined
1280 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1281 bo_add_16be( tkhd, 0 ); // reserved
1282 for( i = 0; i < 9; i++ )
1284 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1286 if( p_stream->fmt.i_cat == AUDIO_ES )
1288 bo_add_32be( tkhd, 0 ); // width (presentation)
1289 bo_add_32be( tkhd, 0 ); // height(presentation)
1293 // width (presentation)
1294 bo_add_32be( tkhd, p_stream->fmt.video.i_aspect *
1295 p_stream->fmt.video.i_height /
1296 VOUT_ASPECT_FACTOR << 16 );
1297 // height(presentation)
1298 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1301 box_gather( trak, tkhd );
1303 /* *** add /moov/trak/edts and elst */
1304 edts = box_new( "edts" );
1305 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1306 if( p_stream->i_dts_start > p_sys->i_dts_start )
1308 bo_add_32be( elst, 2 );
1310 if( p_sys->b_64_ext )
1312 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) * i_movie_timescale / I64C(1000000) );
1313 bo_add_64be( elst, -1 );
1317 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) * i_movie_timescale / I64C(1000000) );
1318 bo_add_32be( elst, -1 );
1320 bo_add_16be( elst, 1 );
1321 bo_add_16be( elst, 0 );
1325 bo_add_32be( elst, 1 );
1327 if( p_sys->b_64_ext )
1329 bo_add_64be( elst, p_stream->i_duration * i_movie_timescale / I64C(1000000) );
1330 bo_add_64be( elst, 0 );
1334 bo_add_32be( elst, p_stream->i_duration * i_movie_timescale / I64C(1000000) );
1335 bo_add_32be( elst, 0 );
1337 bo_add_16be( elst, 1 );
1338 bo_add_16be( elst, 0 );
1341 box_gather( edts, elst );
1343 box_gather( trak, edts );
1345 /* *** add /moov/trak/mdia *** */
1346 mdia = box_new( "mdia" );
1349 if( !p_sys->b_64_ext )
1351 mdhd = box_full_new( "mdhd", 0, 0 );
1352 bo_add_32be( mdhd, get_timestamp() ); // creation time
1353 bo_add_32be( mdhd, get_timestamp() ); // modification time
1354 bo_add_32be( mdhd, i_timescale); // timescale
1355 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1356 (mtime_t)1000000 ); // duration
1360 mdhd = box_full_new( "mdhd", 1, 0 );
1361 bo_add_64be( mdhd, get_timestamp() ); // creation time
1362 bo_add_64be( mdhd, get_timestamp() ); // modification time
1363 bo_add_32be( mdhd, i_timescale); // timescale
1364 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1365 (mtime_t)1000000 ); // duration
1368 if( p_stream->fmt.psz_language )
1370 char *psz = p_stream->fmt.psz_language;
1371 const iso639_lang_t *pl = NULL;
1372 uint16_t lang = 0x0;
1374 if( strlen( psz ) == 2 )
1376 pl = GetLang_1( psz );
1378 else if( strlen( psz ) == 3 )
1380 pl = GetLang_2B( psz );
1381 if( !strcmp( pl->psz_iso639_1, "??" ) )
1383 pl = GetLang_2T( psz );
1386 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1388 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1389 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1390 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1392 bo_add_16be( mdhd, lang ); // language
1396 bo_add_16be( mdhd, 0 ); // language
1398 bo_add_16be( mdhd, 0 ); // predefined
1400 box_gather( mdia, mdhd );
1402 /* handler reference */
1403 hdlr = box_full_new( "hdlr", 0, 0 );
1405 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1406 if( p_stream->fmt.i_cat == AUDIO_ES )
1408 bo_add_fourcc( hdlr, "soun" );
1412 bo_add_fourcc( hdlr, "vide" );
1415 bo_add_32be( hdlr, 0 ); // reserved
1416 bo_add_32be( hdlr, 0 ); // reserved
1417 bo_add_32be( hdlr, 0 ); // reserved
1419 bo_add_8( hdlr, 12 );
1420 if( p_stream->fmt.i_cat == AUDIO_ES )
1421 bo_add_mem( hdlr, 12, "SoundHandler" );
1423 bo_add_mem( hdlr, 12, "VideoHandler" );
1426 box_gather( mdia, hdlr );
1429 minf = box_new( "minf" );
1432 if( p_stream->fmt.i_cat == AUDIO_ES )
1436 smhd = box_full_new( "smhd", 0, 0 );
1437 bo_add_16be( smhd, 0 ); // balance
1438 bo_add_16be( smhd, 0 ); // reserved
1441 box_gather( minf, smhd );
1443 else if( p_stream->fmt.i_cat == VIDEO_ES )
1447 vmhd = box_full_new( "vmhd", 0, 1 );
1448 bo_add_16be( vmhd, 0 ); // graphicsmode
1449 for( i = 0; i < 3; i++ )
1451 bo_add_16be( vmhd, 0 ); // opcolor
1455 box_gather( minf, vmhd );
1459 dinf = box_new( "dinf" );
1460 dref = box_full_new( "dref", 0, 0 );
1461 bo_add_32be( dref, 1 );
1462 url = box_full_new( "url ", 0, 0x01 );
1464 box_gather( dref, url );
1466 box_gather( dinf, dref );
1468 /* append dinf to mdia */
1470 box_gather( minf, dinf );
1473 stbl = GetStblBox( p_mux, p_stream );
1475 /* append stbl to minf */
1476 p_stream->i_stco_pos += minf->i_buffer;
1477 box_gather( minf, stbl );
1479 /* append minf to mdia */
1481 p_stream->i_stco_pos += mdia->i_buffer;
1482 box_gather( mdia, minf );
1484 /* append mdia to trak */
1486 p_stream->i_stco_pos += trak->i_buffer;
1487 box_gather( trak, mdia );
1489 /* append trak to moov */
1491 p_stream->i_stco_pos += moov->i_buffer;
1492 box_gather( moov, trak );
1495 /* Add user data tags */
1496 box_gather( moov, GetUdtaTag( p_mux ) );
1504 /****************************************************************************/
1506 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1511 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1512 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1516 p_bo->i_buffer_size = i_size;
1517 p_bo->p_buffer = p_buffer;
1520 p_bo->b_grow = b_grow;
1524 static void bo_add_8( bo_t *p_bo, uint8_t i )
1526 if( p_bo->i_buffer < p_bo->i_buffer_size )
1528 p_bo->p_buffer[p_bo->i_buffer] = i;
1530 else if( p_bo->b_grow )
1532 p_bo->i_buffer_size += 1024;
1533 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1535 p_bo->p_buffer[p_bo->i_buffer] = i;
1541 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1543 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1544 bo_add_8( p_bo, i &0xff );
1547 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1549 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1550 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1551 bo_add_8( p_bo, ( i &0xff ) );
1553 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1555 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1556 bo_add_16be( p_bo, i &0xffff );
1559 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1561 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1562 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1563 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1564 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1567 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1569 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1570 bo_add_32be( p_bo, i &0xffffffff );
1573 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1575 bo_add_8( p_bo, fcc[0] );
1576 bo_add_8( p_bo, fcc[1] );
1577 bo_add_8( p_bo, fcc[2] );
1578 bo_add_8( p_bo, fcc[3] );
1581 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1585 for( i = 0; i < i_size; i++ )
1587 bo_add_8( p_bo, p_mem[i] );
1591 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
1597 vals[3] = (unsigned char)(i_length & 0x7f);
1599 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
1601 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
1603 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
1605 bo_add_8( p_bo, tag );
1607 if( i_size < 0x00000080 )
1609 bo_add_8( p_bo, vals[3] );
1611 else if( i_size < 0x00004000 )
1613 bo_add_8( p_bo, vals[2] );
1614 bo_add_8( p_bo, vals[3] );
1616 else if( i_size < 0x00200000 )
1618 bo_add_8( p_bo, vals[1] );
1619 bo_add_8( p_bo, vals[2] );
1620 bo_add_8( p_bo, vals[3] );
1622 else if( i_size < 0x10000000 )
1624 bo_add_8( p_bo, vals[0] );
1625 bo_add_8( p_bo, vals[1] );
1626 bo_add_8( p_bo, vals[2] );
1627 bo_add_8( p_bo, vals[3] );
1631 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
1635 for( i = 0; i < p_bo2->i_buffer; i++ )
1637 bo_add_8( p_bo, p_bo2->p_buffer[i] );
1641 static bo_t * box_new( char *fcc )
1645 if( ( box = malloc( sizeof( bo_t ) ) ) )
1647 bo_init( box, 0, NULL, VLC_TRUE );
1649 bo_add_32be ( box, 0 );
1650 bo_add_fourcc( box, fcc );
1656 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
1660 if( ( box = malloc( sizeof( bo_t ) ) ) )
1662 bo_init( box, 0, NULL, VLC_TRUE );
1664 bo_add_32be ( box, 0 );
1665 bo_add_fourcc( box, fcc );
1666 bo_add_8 ( box, v );
1667 bo_add_24be ( box, f );
1673 static void box_fix( bo_t *box )
1677 memcpy( &box_tmp, box, sizeof( bo_t ) );
1679 box_tmp.i_buffer = 0;
1680 bo_add_32be( &box_tmp, box->i_buffer );
1683 static void box_free( bo_t *box )
1687 free( box->p_buffer );
1693 static void box_gather ( bo_t *box, bo_t *box2 )
1695 bo_add_bo( box, box2 );
1699 static sout_buffer_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
1701 sout_buffer_t *p_buf;
1703 p_buf = sout_BufferNew( p_sout, box->i_buffer );
1704 if( box->i_buffer > 0 )
1706 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
1709 p_buf->i_size = box->i_buffer;
1714 static void box_send( sout_mux_t *p_mux, bo_t *box )
1716 sout_buffer_t *p_buf;
1718 p_buf = bo_to_sout( p_mux->p_sout, box );
1721 sout_AccessOutWrite( p_mux->p_access, p_buf );
1724 static int64_t get_timestamp()
1726 int64_t i_timestamp = 0;
1729 i_timestamp = time(NULL);
1730 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
1731 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60