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 Control( sout_mux_t *, int, va_list );
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) */
128 struct sout_mux_sys_t
132 vlc_bool_t b_fast_start;
140 mp4_stream_t **pp_streams;
153 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
154 static void bo_add_8 ( bo_t *, uint8_t );
155 static void bo_add_16be ( bo_t *, uint16_t );
156 static void bo_add_24be ( bo_t *, uint32_t );
157 static void bo_add_32be ( bo_t *, uint32_t );
158 static void bo_add_64be ( bo_t *, uint64_t );
159 static void bo_add_fourcc(bo_t *, char * );
160 static void bo_add_bo ( bo_t *, bo_t * );
161 static void bo_add_mem ( bo_t *, int , uint8_t * );
162 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
164 static void bo_fix_32be ( bo_t *, int , uint32_t );
166 static bo_t *box_new ( char *fcc );
167 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
168 static void box_fix ( bo_t *box );
169 static void box_free ( bo_t *box );
170 static void box_gather ( bo_t *box, bo_t *box2 );
172 static void box_send( sout_mux_t *p_mux, bo_t *box );
174 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
176 static bo_t *GetMoovBox( sout_mux_t *p_mux );
178 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
179 static void ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
181 /*****************************************************************************
183 *****************************************************************************/
184 static int Open( vlc_object_t *p_this )
186 sout_mux_t *p_mux = (sout_mux_t*)p_this;
187 sout_mux_sys_t *p_sys;
190 msg_Dbg( p_mux, "Mp4 muxer opend" );
191 sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
193 p_mux->pf_control = Control;
194 p_mux->pf_addstream = AddStream;
195 p_mux->pf_delstream = DelStream;
197 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
199 p_sys->i_nb_streams = 0;
200 p_sys->pp_streams = NULL;
201 p_sys->i_mdat_pos = 0;
202 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
203 p_sys->i_dts_start = 0;
208 /* Now add ftyp header */
209 box = box_new( "ftyp" );
210 bo_add_fourcc( box, "isom" );
211 bo_add_32be ( box, 0 );
212 bo_add_fourcc( box, "mp41" );
215 p_sys->i_pos += box->i_buffer;
216 p_sys->i_mdat_pos = p_sys->i_pos;
218 box_send( p_mux, box );
222 * Quicktime actually doesn't like the 64 bits extensions !!! */
223 p_sys->b_64_ext = VLC_FALSE;
225 /* Now add mdat header */
226 box = box_new( "mdat" );
227 bo_add_64be ( box, 0 ); // enough to store an extended size
229 p_sys->i_pos += box->i_buffer;
231 box_send( p_mux, box );
236 /*****************************************************************************
238 *****************************************************************************/
239 static void Close( vlc_object_t * p_this )
241 sout_mux_t *p_mux = (sout_mux_t*)p_this;
242 sout_mux_sys_t *p_sys = p_mux->p_sys;
250 msg_Dbg( p_mux, "Close" );
252 /* Update mdat size */
253 bo_init( &bo, 0, NULL, VLC_TRUE );
254 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
257 bo_add_32be ( &bo, 1 );
258 bo_add_fourcc( &bo, "mdat" );
259 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
263 bo_add_32be ( &bo, 8 );
264 bo_add_fourcc( &bo, "wide" );
265 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
266 bo_add_fourcc( &bo, "mdat" );
268 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
271 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
272 sout_AccessOutWrite( p_mux->p_access, p_hdr );
274 /* Create MOOV header */
275 i_moov_pos = p_sys->i_pos;
276 moov = GetMoovBox( p_mux );
278 /* Check we need to create "fast start" files */
279 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
280 p_sys->b_fast_start = val.b_bool;
281 while( p_sys->b_fast_start )
283 /* Move data to the end of the file so we can fit the moov header
286 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
287 int i_moov_size = moov->i_buffer;
291 i_chunk = __MIN( 32768, i_size );
292 p_buf = block_New( p_mux, i_chunk );
293 sout_AccessOutSeek( p_mux->p_access,
294 p_sys->i_mdat_pos + i_size - i_chunk );
295 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
297 msg_Warn( p_this, "read() not supported by acces output, "
298 "won't create a fast start file" );
299 p_sys->b_fast_start = VLC_FALSE;
300 block_Release( p_buf );
303 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
304 i_moov_size - i_chunk );
305 sout_AccessOutWrite( p_mux->p_access, p_buf );
309 if( !p_sys->b_fast_start ) break;
311 /* Fix-up samples to chunks table in MOOV header */
312 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
314 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
318 moov->i_buffer = p_stream->i_stco_pos;
319 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
321 if( p_stream->b_stco64 )
322 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
324 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
326 while( i < p_stream->i_entry_count )
328 if( i + 1 < p_stream->i_entry_count &&
329 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
330 != p_stream->entry[i + 1].i_pos )
341 moov->i_buffer = i_moov_size;
342 i_moov_pos = p_sys->i_mdat_pos;
343 p_sys->b_fast_start = VLC_FALSE;
346 /* Write MOOV header */
347 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
348 box_send( p_mux, moov );
351 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
353 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
355 es_format_Clean( &p_stream->fmt );
356 if( p_stream->avc.i_sps ) free( p_stream->avc.sps );
357 if( p_stream->avc.i_pps ) free( p_stream->avc.pps );
358 free( p_stream->entry );
361 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
365 /*****************************************************************************
367 *****************************************************************************/
368 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
374 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
375 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
376 *pb_bool = VLC_FALSE;
379 case MUX_GET_ADD_STREAM_WAIT:
380 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
384 case MUX_GET_MIME: /* Not needed, as not streamable */
390 /*****************************************************************************
392 *****************************************************************************/
393 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
395 sout_mux_sys_t *p_sys = p_mux->p_sys;
396 mp4_stream_t *p_stream;
398 switch( p_input->p_fmt->i_codec )
400 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
401 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
402 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
403 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
404 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
405 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
406 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
407 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
408 case VLC_FOURCC( 'h', '2', '6', '4' ):
410 case VLC_FOURCC( 's', 'u', 'b', 't' ):
411 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
414 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
415 (char*)&p_input->p_fmt->i_codec );
419 p_stream = malloc( sizeof( mp4_stream_t ) );
420 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
421 p_stream->i_track_id = p_sys->i_nb_streams + 1;
422 p_stream->i_length_neg = 0;
423 p_stream->i_entry_count = 0;
424 p_stream->i_entry_max = 1000;
426 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
427 p_stream->i_dts_start = 0;
428 p_stream->i_duration = 0;
429 p_stream->avc.i_profile = 77;
430 p_stream->avc.i_level = 51;
431 p_stream->avc.i_sps = 0;
432 p_stream->avc.sps = NULL;
433 p_stream->avc.i_pps = 0;
434 p_stream->avc.pps = NULL;
436 p_input->p_sys = p_stream;
438 msg_Dbg( p_mux, "adding input" );
440 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
444 /*****************************************************************************
446 *****************************************************************************/
447 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
449 msg_Dbg( p_mux, "removing input" );
453 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
459 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
461 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
464 if( p_fifo->i_depth <= 1 )
466 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
468 return -1; // wait that all fifo have at least 2 packets
470 /* For SPU, we wait only 1 packet */
474 p_buf = block_FifoShow( p_fifo );
475 if( i_stream < 0 || p_buf->i_dts < i_dts )
477 i_dts = p_buf->i_dts;
483 *pi_stream = i_stream;
492 /*****************************************************************************
494 *****************************************************************************/
495 static int Mux( sout_mux_t *p_mux )
497 sout_mux_sys_t *p_sys = p_mux->p_sys;
501 sout_input_t *p_input;
503 mp4_stream_t *p_stream;
507 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
509 return( VLC_SUCCESS );
512 p_input = p_mux->pp_inputs[i_stream];
513 p_stream = (mp4_stream_t*)p_input->p_sys;
515 p_data = block_FifoGet( p_input->p_fifo );
516 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
518 ConvertAVC1( p_mux, p_stream, p_data );
520 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
522 p_data = ConvertSUBT( p_mux, p_stream, p_data );
525 if( p_stream->fmt.i_cat != SPU_ES )
527 /* Fix length of the sample */
528 if( p_input->p_fifo->i_depth > 0 )
530 block_t *p_next = block_FifoShow( p_input->p_fifo );
531 int64_t i_diff = p_next->i_dts - p_data->i_dts;
533 if( i_diff < I64C(1000000 ) ) /* protection */
535 p_data->i_length = i_diff;
538 if( p_data->i_length <= 0 )
540 msg_Warn( p_mux, "i_length <= 0" );
541 p_stream->i_length_neg += p_data->i_length - 1;
542 p_data->i_length = 1;
544 else if( p_stream->i_length_neg < 0 )
546 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
548 p_data->i_length -= i_recover;
549 p_stream->i_length_neg += i_recover;
553 /* Save starting time */
554 if( p_stream->i_entry_count == 0 )
556 p_stream->i_dts_start = p_data->i_dts;
558 /* Update global dts_start */
559 if( p_sys->i_dts_start <= 0 ||
560 p_stream->i_dts_start < p_sys->i_dts_start )
562 p_sys->i_dts_start = p_stream->i_dts_start;
566 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
568 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
572 /* FIXME handle this broken case */
577 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
579 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
584 /* add index entry */
585 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
586 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
587 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
588 __MAX( p_data->i_pts - p_data->i_dts, 0 );
589 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
590 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
592 p_stream->i_entry_count++;
593 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
594 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
596 p_stream->i_entry_max += 1000;
598 realloc( p_stream->entry,
599 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
603 p_stream->i_duration += p_data->i_length;
604 p_sys->i_pos += p_data->i_buffer;
607 p_stream->i_last_dts = p_data->i_dts;
610 sout_AccessOutWrite( p_mux->p_access, p_data );
612 if( p_stream->fmt.i_cat == SPU_ES )
614 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
619 msg_Dbg( p_mux, "writing a empty subs" ) ;
621 /* Append a idx entry */
622 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
623 p_stream->entry[p_stream->i_entry_count].i_size = 3;
624 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
625 p_stream->entry[p_stream->i_entry_count].i_length = 0;
626 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
628 /* XXX: No need to grow the entry here */
629 p_stream->i_entry_count++;
632 p_stream->i_last_dts += i_length;
635 p_data = block_New( p_mux, 3 );
636 p_data->p_buffer[0] = 0;
637 p_data->p_buffer[1] = 1;
638 p_data->p_buffer[2] = ' ';
640 p_sys->i_pos += p_data->i_buffer;
642 sout_AccessOutWrite( p_mux->p_access, p_data );
646 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
650 return( VLC_SUCCESS );
653 /*****************************************************************************
655 *****************************************************************************/
656 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
658 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
660 /* No trailling '\0' */
661 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
664 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
665 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
670 static void ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
672 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
673 uint8_t *dat = &p_block->p_buffer[4];
674 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
677 /* Replace the 4 bytes start code with 4 bytes size,
678 * FIXME are all startcode 4 bytes ? (I don't think :( */
683 while( dat < end - 4 )
685 if( dat[0] == 0x00 && dat[1] == 0x00 &&
686 dat[2] == 0x00 && dat[3] == 0x01 )
698 i_size = dat - &last[4];
699 last[0] = ( i_size >> 24 )&0xff;
700 last[1] = ( i_size >> 16 )&0xff;
701 last[2] = ( i_size >> 8 )&0xff;
702 last[3] = ( i_size )&0xff;
704 if( (last[4]&0x1f) == 7 && tk->avc.i_sps <= 0 ) /* SPS */
706 tk->avc.i_sps = i_size;
707 tk->avc.sps = malloc( i_size );
708 memcpy( tk->avc.sps, &last[4], i_size );
710 tk->avc.i_profile = tk->avc.sps[1];
711 tk->avc.i_level = tk->avc.sps[3];
713 else if( (last[4]&0x1f) == 8 && tk->avc.i_pps <= 0 ) /* PPS */
715 tk->avc.i_pps = i_size;
716 tk->avc.pps = malloc( i_size );
717 memcpy( tk->avc.pps, &last[4], i_size );
727 static int GetDescrLength( int i_size )
729 if( i_size < 0x00000080 )
731 else if( i_size < 0x00004000 )
733 else if( i_size < 0x00200000 )
739 static bo_t *GetESDS( mp4_stream_t *p_stream )
743 int i_object_type_indication;
744 int i_decoder_specific_info_size;
746 int64_t i_bitrate_avg = 0;
747 int64_t i_bitrate_max = 0;
749 /* Compute avg/max bitrate */
750 for( i = 0; i < p_stream->i_entry_count; i++ )
752 i_bitrate_avg += p_stream->entry[i].i_size;
753 if( p_stream->entry[i].i_length > 0)
755 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
756 if( i_bitrate > i_bitrate_max )
757 i_bitrate_max = i_bitrate;
761 if( p_stream->i_duration > 0 )
762 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
765 if( i_bitrate_max <= 1 )
766 i_bitrate_max = 0x7fffffff;
769 if( p_stream->fmt.i_extra > 0 )
771 i_decoder_specific_info_size =
772 GetDescrLength( p_stream->fmt.i_extra );
776 i_decoder_specific_info_size = 0;
779 esds = box_full_new( "esds", 0, 0 );
782 bo_add_descr( esds, 0x03, 3 +
783 GetDescrLength( 13 + i_decoder_specific_info_size ) +
784 GetDescrLength( 1 ) );
785 bo_add_16be( esds, p_stream->i_track_id );
786 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
788 /* DecoderConfigDescr */
789 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
791 switch( p_stream->fmt.i_codec )
793 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
794 i_object_type_indication = 0x20;
796 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
797 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
798 i_object_type_indication = 0x60;
800 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
801 /* FIXME for mpeg2-aac == 0x66->0x68 */
802 i_object_type_indication = 0x40;
804 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
805 i_object_type_indication =
806 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
809 i_object_type_indication = 0x00;
812 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
814 bo_add_8 ( esds, i_object_type_indication );
815 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
816 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
817 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
818 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
820 if( p_stream->fmt.i_extra > 0 )
824 /* DecoderSpecificInfo */
825 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
827 for( i = 0; i < p_stream->fmt.i_extra; i++ )
829 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
833 /* SL_Descr mandatory */
834 bo_add_descr( esds, 0x06, 1 );
835 bo_add_8 ( esds, 0x02 ); // sl_predefined
842 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
847 wave = box_new( "wave" );
849 box = box_new( "frma" );
850 bo_add_fourcc( box, "mp4a" );
852 box_gather( wave, box );
854 box = box_new( "mp4a" );
855 bo_add_32be( box, 0 );
857 box_gather( wave, box );
859 box = GetESDS( p_stream );
861 box_gather( wave, box );
863 box = box_new( "srcq" );
864 bo_add_32be( box, 0x40 );
866 box_gather( wave, box );
869 bo_add_32be( wave, 8 ); /* new empty box */
870 bo_add_32be( wave, 0 ); /* box label */
877 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
881 /* FIXME use better value */
882 avcC = box_new( "avcC" );
883 bo_add_8( avcC, 1 ); /* configuration version */
884 bo_add_8( avcC, p_stream->avc.i_profile );
885 bo_add_8( avcC, p_stream->avc.i_profile ); /* profile compatible ??? */
886 bo_add_8( avcC, p_stream->avc.i_level ); /* level, 5.1 */
887 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
889 bo_add_8( avcC, 0xe0 | (p_stream->avc.i_sps > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
890 if( p_stream->avc.i_sps > 0 )
892 bo_add_16be( avcC, p_stream->avc.i_sps );
893 bo_add_mem( avcC, p_stream->avc.i_sps, p_stream->avc.sps );
896 bo_add_8( avcC, (p_stream->avc.i_pps > 0 ? 1 : 0) ); /* pps_count */
897 if( p_stream->avc.i_pps > 0 )
899 bo_add_16be( avcC, p_stream->avc.i_pps );
900 bo_add_mem( avcC, p_stream->avc.i_pps, p_stream->avc.pps );
907 /* TODO: No idea about these values */
908 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
910 bo_t *smi = box_new( "SMI " );
912 if( p_stream->fmt.i_extra > 0x4e )
914 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
915 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
917 while( p + 8 < p_end )
919 int i_size = GetDWBE( p );
922 /* FIXME handle 1 as long size */
925 if( !strncmp( &p[4], "SMI ", 4 ) )
927 bo_add_mem( smi, p_end - p - 8, &p[8] );
934 /* Create a dummy one in fallback */
935 bo_add_fourcc( smi, "SEQH" );
936 bo_add_32be( smi, 0x5 );
937 bo_add_32be( smi, 0xe2c0211d );
938 bo_add_8( smi, 0xc0 );
944 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
946 sout_mux_sys_t *p_sys = p_mux->p_sys;
947 bo_t *udta = box_new( "udta" );
948 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
952 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
954 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
956 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
957 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
959 bo_t *box = box_new( "\251req" );
961 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
962 bo_add_16be( box, 0 );
963 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
964 "QuickTime 6.0 or greater" );
966 box_gather( udta, box );
973 bo_t *box = box_new( "\251enc" );
975 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
976 bo_add_16be( box, 0 );
977 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
978 PACKAGE_STRING " stream output" );
980 box_gather( udta, box );
987 for( i = 0; i < p_meta->i_meta; i++ )
991 if( !strcmp( p_meta->name[i], VLC_META_TITLE ) )
992 box = box_new( "\251nam" );
993 else if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
994 box = box_new( "\251aut" );
995 else if( !strcmp( p_meta->name[i], VLC_META_ARTIST ) )
996 box = box_new( "\251ART" );
997 else if( !strcmp( p_meta->name[i], VLC_META_GENRE ) )
998 box = box_new( "\251gen" );
999 else if( !strcmp( p_meta->name[i], VLC_META_COPYRIGHT ) )
1000 box = box_new( "\251cpy" );
1001 else if( !strcmp( p_meta->name[i], VLC_META_DESCRIPTION ) )
1002 box = box_new( "\251des" );
1003 else if( !strcmp( p_meta->name[i], VLC_META_DATE ) )
1004 box = box_new( "\251day" );
1005 else if( !strcmp( p_meta->name[i], VLC_META_URL ) )
1006 box = box_new( "\251url" );
1010 bo_add_16be( box, strlen( p_meta->value[i] ) );
1011 bo_add_16be( box, 0 );
1012 bo_add_mem( box, strlen( p_meta->value[i] ),
1015 box_gather( udta, box );
1024 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1026 sout_mux_sys_t *p_sys = p_mux->p_sys;
1027 vlc_bool_t b_descr = VLC_FALSE;
1032 switch( p_stream->fmt.i_codec )
1034 case VLC_FOURCC('m','p','4','a'):
1035 memcpy( fcc, "mp4a", 4 );
1039 case VLC_FOURCC('m','p','g','a'):
1041 memcpy( fcc, ".mp3", 4 );
1044 memcpy( fcc, "mp4a", 4 );
1050 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1054 soun = box_new( fcc );
1055 for( i = 0; i < 6; i++ )
1057 bo_add_8( soun, 0 ); // reserved;
1059 bo_add_16be( soun, 1 ); // data-reference-index
1061 /* SoundDescription */
1063 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1065 bo_add_16be( soun, 1 ); // version 1;
1069 bo_add_16be( soun, 0 ); // version 0;
1071 bo_add_16be( soun, 0 ); // revision level (0)
1072 bo_add_32be( soun, 0 ); // vendor
1074 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1076 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1077 p_stream->fmt.audio.i_bitspersample : 16 );
1078 bo_add_16be( soun, -2 ); // compression id
1079 bo_add_16be( soun, 0 ); // packet size (0)
1080 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1081 bo_add_16be( soun, 0 ); // sampleratelo
1083 /* Extended data for SoundDescription V1 */
1085 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1087 /* samples per packet */
1088 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1089 bo_add_32be( soun, 1536 ); /* bytes per packet */
1090 bo_add_32be( soun, 2 ); /* bytes per frame */
1091 /* bytes per sample */
1092 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1095 /* Add an ES Descriptor */
1101 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1103 box = GetWaveTag( p_stream );
1107 box = GetESDS( p_stream );
1110 box_gather( soun, box );
1118 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1125 switch( p_stream->fmt.i_codec )
1127 case VLC_FOURCC('m','p','4','v'):
1128 case VLC_FOURCC('m','p','g','v'):
1129 memcpy( fcc, "mp4v", 4 );
1132 case VLC_FOURCC('M','J','P','G'):
1133 memcpy( fcc, "mjpa", 4 );
1136 case VLC_FOURCC('S','V','Q','1'):
1137 memcpy( fcc, "SVQ1", 4 );
1140 case VLC_FOURCC('S','V','Q','3'):
1141 memcpy( fcc, "SVQ3", 4 );
1144 case VLC_FOURCC('h','2','6','4'):
1145 memcpy( fcc, "avc1", 4 );
1149 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1153 vide = box_new( fcc );
1154 for( i = 0; i < 6; i++ )
1156 bo_add_8( vide, 0 ); // reserved;
1158 bo_add_16be( vide, 1 ); // data-reference-index
1160 bo_add_16be( vide, 0 ); // predefined;
1161 bo_add_16be( vide, 0 ); // reserved;
1162 for( i = 0; i < 3; i++ )
1164 bo_add_32be( vide, 0 ); // predefined;
1167 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1168 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1170 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1171 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1173 bo_add_32be( vide, 0 ); // data size, always 0
1174 bo_add_16be( vide, 1 ); // frames count per sample
1177 for( i = 0; i < 32; i++ )
1179 bo_add_8( vide, 0 );
1182 bo_add_16be( vide, 0x18 ); // depth
1183 bo_add_16be( vide, 0xffff ); // predefined
1185 /* add an ES Descriptor */
1186 switch( p_stream->fmt.i_codec )
1188 case VLC_FOURCC('m','p','4','v'):
1189 case VLC_FOURCC('m','p','g','v'):
1191 bo_t *esds = GetESDS( p_stream );
1194 box_gather( vide, esds );
1198 case VLC_FOURCC('S','V','Q','3'):
1200 bo_t *esds = GetSVQ3Tag( p_stream );
1203 box_gather( vide, esds );
1207 case VLC_FOURCC('h','2','6','4'):
1208 box_gather( vide, GetAvcCTag( p_stream ) );
1220 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1223 bo_t *text = box_new( "text" );
1226 for( i = 0; i < 6; i++ )
1228 bo_add_8( text, 0 ); // reserved;
1230 bo_add_16be( text, 1 ); // data-reference-index
1232 bo_add_32be( text, 0 ); // display flags
1233 bo_add_32be( text, 0 ); // justification
1234 for( i = 0; i < 3; i++ )
1236 bo_add_16be( text, 0 ); // back ground color
1239 bo_add_16be( text, 0 ); // box text
1240 bo_add_16be( text, 0 ); // box text
1241 bo_add_16be( text, 0 ); // box text
1242 bo_add_16be( text, 0 ); // box text
1244 bo_add_64be( text, 0 ); // reserved
1245 for( i = 0; i < 3; i++ )
1247 bo_add_16be( text, 0xff ); // foreground color
1250 bo_add_8 ( text, 9 );
1251 bo_add_mem( text, 9, "Helvetica" );
1258 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1260 sout_mux_sys_t *p_sys = p_mux->p_sys;
1261 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1262 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1263 uint32_t i_timescale;
1264 int64_t i_dts, i_dts_q;
1266 stbl = box_new( "stbl" );
1268 /* sample description */
1269 stsd = box_full_new( "stsd", 0, 0 );
1270 bo_add_32be( stsd, 1 );
1271 if( p_stream->fmt.i_cat == AUDIO_ES )
1273 bo_t *soun = GetSounBox( p_mux, p_stream );
1274 box_gather( stsd, soun );
1276 else if( p_stream->fmt.i_cat == VIDEO_ES )
1278 bo_t *vide = GetVideBox( p_mux, p_stream );
1279 box_gather( stsd, vide );
1281 else if( p_stream->fmt.i_cat == SPU_ES )
1283 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1287 /* chunk offset table */
1288 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1290 /* 64 bits version */
1291 p_stream->b_stco64 = VLC_TRUE;
1292 stco = box_full_new( "co64", 0, 0 );
1296 /* 32 bits version */
1297 p_stream->b_stco64 = VLC_FALSE;
1298 stco = box_full_new( "stco", 0, 0 );
1300 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1302 /* sample to chunk table */
1303 stsc = box_full_new( "stsc", 0, 0 );
1304 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1306 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1307 i < p_stream->i_entry_count; i_chunk++ )
1311 if( p_stream->b_stco64 )
1312 bo_add_64be( stco, p_stream->entry[i].i_pos );
1314 bo_add_32be( stco, p_stream->entry[i].i_pos );
1316 while( i < p_stream->i_entry_count )
1318 if( i + 1 < p_stream->i_entry_count &&
1319 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1320 != p_stream->entry[i + 1].i_pos )
1329 /* Add entry to the stsc table */
1330 if( i_stsc_last_val != i - i_first )
1332 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1333 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1334 bo_add_32be( stsc, 1 ); // sample-descr-index
1335 i_stsc_last_val = i - i_first;
1340 /* Fix stco entry count */
1341 bo_fix_32be( stco, 12, i_chunk );
1342 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1345 /* Fix stsc entry count */
1346 bo_fix_32be( stsc, 12, i_stsc_entries );
1350 stts = box_full_new( "stts", 0, 0 );
1351 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1353 if( p_stream->fmt.i_cat == AUDIO_ES )
1354 i_timescale = p_stream->fmt.audio.i_rate;
1358 /* first, create quantified length */
1359 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1361 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1362 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1364 i_dts += p_stream->entry[i].i_length;
1366 p_stream->entry[i].i_length =
1367 i_delta * (int64_t)i_timescale / I64C(1000000);
1369 i_dts_q += p_stream->entry[i].i_length;
1371 /* then write encoded table */
1372 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1375 int64_t i_delta = p_stream->entry[i].i_length;
1377 while( i < p_stream->i_entry_count )
1380 if( i >= p_stream->i_entry_count ||
1381 p_stream->entry[i].i_length != i_delta )
1387 bo_add_32be( stts, i - i_first ); // sample-count
1388 bo_add_32be( stts, i_delta ); // sample-delta
1390 bo_fix_32be( stts, 12, i_index );
1393 /* FIXME add ctts ?? FIXME */
1395 stsz = box_full_new( "stsz", 0, 0 );
1396 bo_add_32be( stsz, 0 ); // sample-size
1397 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1398 for( i = 0; i < p_stream->i_entry_count; i++ )
1400 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1404 /* create stss table */
1406 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1408 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1412 stss = box_full_new( "stss", 0, 0 );
1413 bo_add_32be( stss, 0 ); /* fixed later */
1415 bo_add_32be( stss, 1 + i );
1421 bo_fix_32be( stss, 12, i_index );
1425 /* Now gather all boxes into stbl */
1426 box_gather( stbl, stsd );
1427 box_gather( stbl, stts );
1430 box_gather( stbl, stss );
1432 box_gather( stbl, stsc );
1433 box_gather( stbl, stsz );
1434 p_stream->i_stco_pos = stbl->i_buffer + 16;
1435 box_gather( stbl, stco );
1443 static int64_t get_timestamp();
1445 static uint32_t mvhd_matrix[9] =
1446 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1448 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1450 sout_mux_sys_t *p_sys = p_mux->p_sys;
1455 uint32_t i_movie_timescale = 90000;
1456 int64_t i_movie_duration = 0;
1458 moov = box_new( "moov" );
1460 /* Create general info */
1461 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1463 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1464 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1466 msg_Dbg( p_mux, "movie duration %ds",
1467 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1469 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1471 /* *** add /moov/mvhd *** */
1472 if( !p_sys->b_64_ext )
1474 mvhd = box_full_new( "mvhd", 0, 0 );
1475 bo_add_32be( mvhd, get_timestamp() ); // creation time
1476 bo_add_32be( mvhd, get_timestamp() ); // modification time
1477 bo_add_32be( mvhd, i_movie_timescale); // timescale
1478 bo_add_32be( mvhd, i_movie_duration ); // duration
1482 mvhd = box_full_new( "mvhd", 1, 0 );
1483 bo_add_64be( mvhd, get_timestamp() ); // creation time
1484 bo_add_64be( mvhd, get_timestamp() ); // modification time
1485 bo_add_32be( mvhd, i_movie_timescale); // timescale
1486 bo_add_64be( mvhd, i_movie_duration ); // duration
1488 bo_add_32be( mvhd, 0x10000 ); // rate
1489 bo_add_16be( mvhd, 0x100 ); // volume
1490 bo_add_16be( mvhd, 0 ); // reserved
1491 for( i = 0; i < 2; i++ )
1493 bo_add_32be( mvhd, 0 ); // reserved
1495 for( i = 0; i < 9; i++ )
1497 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1499 for( i = 0; i < 6; i++ )
1501 bo_add_32be( mvhd, 0 ); // pre-defined
1504 /* Next available track id */
1505 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1508 box_gather( moov, mvhd );
1510 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1512 mp4_stream_t *p_stream;
1513 uint32_t i_timescale;
1515 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1516 bo_t *minf, *dinf, *dref, *url, *stbl;
1518 p_stream = p_sys->pp_streams[i_trak];
1520 if( p_stream->fmt.i_cat == AUDIO_ES )
1521 i_timescale = p_stream->fmt.audio.i_rate;
1525 /* *** add /moov/trak *** */
1526 trak = box_new( "trak" );
1528 /* *** add /moov/trak/tkhd *** */
1529 if( !p_sys->b_64_ext )
1532 tkhd = box_full_new( "tkhd", 0, 0x0f );
1534 tkhd = box_full_new( "tkhd", 0, 1 );
1536 bo_add_32be( tkhd, get_timestamp() ); // creation time
1537 bo_add_32be( tkhd, get_timestamp() ); // modification time
1538 bo_add_32be( tkhd, p_stream->i_track_id );
1539 bo_add_32be( tkhd, 0 ); // reserved 0
1540 bo_add_32be( tkhd, p_stream->i_duration *
1541 (int64_t)i_movie_timescale /
1542 (mtime_t)1000000 ); // duration
1547 tkhd = box_full_new( "tkhd", 1, 0x0f );
1549 tkhd = box_full_new( "tkhd", 1, 1 );
1551 bo_add_64be( tkhd, get_timestamp() ); // creation time
1552 bo_add_64be( tkhd, get_timestamp() ); // modification time
1553 bo_add_32be( tkhd, p_stream->i_track_id );
1554 bo_add_32be( tkhd, 0 ); // reserved 0
1555 bo_add_64be( tkhd, p_stream->i_duration *
1556 (int64_t)i_movie_timescale /
1557 (mtime_t)1000000 ); // duration
1560 for( i = 0; i < 2; i++ )
1562 bo_add_32be( tkhd, 0 ); // reserved
1564 bo_add_16be( tkhd, 0 ); // layer
1565 bo_add_16be( tkhd, 0 ); // pre-defined
1567 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1568 bo_add_16be( tkhd, 0 ); // reserved
1569 for( i = 0; i < 9; i++ )
1571 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1573 if( p_stream->fmt.i_cat == AUDIO_ES )
1575 bo_add_32be( tkhd, 0 ); // width (presentation)
1576 bo_add_32be( tkhd, 0 ); // height(presentation)
1578 else if( p_stream->fmt.i_cat == VIDEO_ES )
1580 int i_width = p_stream->fmt.video.i_width << 16;
1581 if( p_stream->fmt.video.i_aspect > 0 )
1583 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1584 ((int64_t)p_stream->fmt.video.i_height << 16) /
1587 // width (presentation)
1588 bo_add_32be( tkhd, i_width );
1589 // height(presentation)
1590 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1594 int i_width = 320 << 16;
1597 for( i = 0; i < p_sys->i_nb_streams; i++ )
1599 mp4_stream_t *tk = p_sys->pp_streams[i];
1600 if( tk->fmt.i_cat == VIDEO_ES )
1602 if( p_stream->fmt.video.i_aspect )
1603 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1604 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1606 i_width = p_stream->fmt.video.i_width << 16;
1607 i_height = p_stream->fmt.video.i_height;
1611 bo_add_32be( tkhd, i_width ); // width (presentation)
1612 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1616 box_gather( trak, tkhd );
1618 /* *** add /moov/trak/edts and elst */
1619 edts = box_new( "edts" );
1620 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1621 if( p_stream->i_dts_start > p_sys->i_dts_start )
1623 bo_add_32be( elst, 2 );
1625 if( p_sys->b_64_ext )
1627 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1628 i_movie_timescale / I64C(1000000) );
1629 bo_add_64be( elst, -1 );
1633 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1634 i_movie_timescale / I64C(1000000) );
1635 bo_add_32be( elst, -1 );
1637 bo_add_16be( elst, 1 );
1638 bo_add_16be( elst, 0 );
1642 bo_add_32be( elst, 1 );
1644 if( p_sys->b_64_ext )
1646 bo_add_64be( elst, p_stream->i_duration *
1647 i_movie_timescale / I64C(1000000) );
1648 bo_add_64be( elst, 0 );
1652 bo_add_32be( elst, p_stream->i_duration *
1653 i_movie_timescale / I64C(1000000) );
1654 bo_add_32be( elst, 0 );
1656 bo_add_16be( elst, 1 );
1657 bo_add_16be( elst, 0 );
1660 box_gather( edts, elst );
1662 box_gather( trak, edts );
1664 /* *** add /moov/trak/mdia *** */
1665 mdia = box_new( "mdia" );
1668 if( !p_sys->b_64_ext )
1670 mdhd = box_full_new( "mdhd", 0, 0 );
1671 bo_add_32be( mdhd, get_timestamp() ); // creation time
1672 bo_add_32be( mdhd, get_timestamp() ); // modification time
1673 bo_add_32be( mdhd, i_timescale); // timescale
1674 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1675 (mtime_t)1000000 ); // duration
1679 mdhd = box_full_new( "mdhd", 1, 0 );
1680 bo_add_64be( mdhd, get_timestamp() ); // creation time
1681 bo_add_64be( mdhd, get_timestamp() ); // modification time
1682 bo_add_32be( mdhd, i_timescale); // timescale
1683 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1684 (mtime_t)1000000 ); // duration
1687 if( p_stream->fmt.psz_language )
1689 char *psz = p_stream->fmt.psz_language;
1690 const iso639_lang_t *pl = NULL;
1691 uint16_t lang = 0x0;
1693 if( strlen( psz ) == 2 )
1695 pl = GetLang_1( psz );
1697 else if( strlen( psz ) == 3 )
1699 pl = GetLang_2B( psz );
1700 if( !strcmp( pl->psz_iso639_1, "??" ) )
1702 pl = GetLang_2T( psz );
1705 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1707 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1708 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1709 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1711 bo_add_16be( mdhd, lang ); // language
1715 bo_add_16be( mdhd, 0 ); // language
1717 bo_add_16be( mdhd, 0 ); // predefined
1719 box_gather( mdia, mdhd );
1721 /* handler reference */
1722 hdlr = box_full_new( "hdlr", 0, 0 );
1725 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1727 bo_add_32be( hdlr, 0 );
1729 if( p_stream->fmt.i_cat == AUDIO_ES )
1730 bo_add_fourcc( hdlr, "soun" );
1731 else if( p_stream->fmt.i_cat == VIDEO_ES )
1732 bo_add_fourcc( hdlr, "vide" );
1733 else if( p_stream->fmt.i_cat == SPU_ES )
1734 bo_add_fourcc( hdlr, "text" );
1736 bo_add_32be( hdlr, 0 ); // reserved
1737 bo_add_32be( hdlr, 0 ); // reserved
1738 bo_add_32be( hdlr, 0 ); // reserved
1741 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1743 if( p_stream->fmt.i_cat == AUDIO_ES )
1744 bo_add_mem( hdlr, 12, "SoundHandler" );
1745 else if( p_stream->fmt.i_cat == VIDEO_ES )
1746 bo_add_mem( hdlr, 12, "VideoHandler" );
1748 bo_add_mem( hdlr, 12, "Text Handler" );
1751 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1754 box_gather( mdia, hdlr );
1757 minf = box_new( "minf" );
1760 if( p_stream->fmt.i_cat == AUDIO_ES )
1764 smhd = box_full_new( "smhd", 0, 0 );
1765 bo_add_16be( smhd, 0 ); // balance
1766 bo_add_16be( smhd, 0 ); // reserved
1769 box_gather( minf, smhd );
1771 else if( p_stream->fmt.i_cat == VIDEO_ES )
1775 vmhd = box_full_new( "vmhd", 0, 1 );
1776 bo_add_16be( vmhd, 0 ); // graphicsmode
1777 for( i = 0; i < 3; i++ )
1779 bo_add_16be( vmhd, 0 ); // opcolor
1783 box_gather( minf, vmhd );
1785 else if( p_stream->fmt.i_cat == SPU_ES )
1787 bo_t *gmhd = box_new( "gmhd" );
1788 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1790 bo_add_16be( gmin, 0 ); // graphicsmode
1791 for( i = 0; i < 3; i++ )
1793 bo_add_16be( gmin, 0 ); // opcolor
1795 bo_add_16be( gmin, 0 ); // balance
1796 bo_add_16be( gmin, 0 ); // reserved
1799 box_gather( gmhd, gmin );
1802 box_gather( minf, gmhd );
1806 dinf = box_new( "dinf" );
1807 dref = box_full_new( "dref", 0, 0 );
1808 bo_add_32be( dref, 1 );
1809 url = box_full_new( "url ", 0, 0x01 );
1811 box_gather( dref, url );
1813 box_gather( dinf, dref );
1815 /* append dinf to mdia */
1817 box_gather( minf, dinf );
1820 stbl = GetStblBox( p_mux, p_stream );
1822 /* append stbl to minf */
1823 p_stream->i_stco_pos += minf->i_buffer;
1824 box_gather( minf, stbl );
1826 /* append minf to mdia */
1828 p_stream->i_stco_pos += mdia->i_buffer;
1829 box_gather( mdia, minf );
1831 /* append mdia to trak */
1833 p_stream->i_stco_pos += trak->i_buffer;
1834 box_gather( trak, mdia );
1836 /* append trak to moov */
1838 p_stream->i_stco_pos += moov->i_buffer;
1839 box_gather( moov, trak );
1842 /* Add user data tags */
1843 box_gather( moov, GetUdtaTag( p_mux ) );
1849 /****************************************************************************/
1851 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1856 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1857 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1861 p_bo->i_buffer_size = i_size;
1862 p_bo->p_buffer = p_buffer;
1865 p_bo->b_grow = b_grow;
1869 static void bo_add_8( bo_t *p_bo, uint8_t i )
1871 if( p_bo->i_buffer < p_bo->i_buffer_size )
1873 p_bo->p_buffer[p_bo->i_buffer] = i;
1875 else if( p_bo->b_grow )
1877 p_bo->i_buffer_size += 1024;
1878 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1880 p_bo->p_buffer[p_bo->i_buffer] = i;
1886 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1888 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1889 bo_add_8( p_bo, i &0xff );
1892 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1894 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1895 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1896 bo_add_8( p_bo, ( i &0xff ) );
1898 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1900 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1901 bo_add_16be( p_bo, i &0xffff );
1904 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1906 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1907 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1908 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1909 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1912 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1914 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1915 bo_add_32be( p_bo, i &0xffffffff );
1918 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1920 bo_add_8( p_bo, fcc[0] );
1921 bo_add_8( p_bo, fcc[1] );
1922 bo_add_8( p_bo, fcc[2] );
1923 bo_add_8( p_bo, fcc[3] );
1926 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1930 for( i = 0; i < i_size; i++ )
1932 bo_add_8( p_bo, p_mem[i] );
1936 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
1942 vals[3] = (unsigned char)(i_length & 0x7f);
1944 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
1946 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
1948 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
1950 bo_add_8( p_bo, tag );
1952 if( i_size < 0x00000080 )
1954 bo_add_8( p_bo, vals[3] );
1956 else if( i_size < 0x00004000 )
1958 bo_add_8( p_bo, vals[2] );
1959 bo_add_8( p_bo, vals[3] );
1961 else if( i_size < 0x00200000 )
1963 bo_add_8( p_bo, vals[1] );
1964 bo_add_8( p_bo, vals[2] );
1965 bo_add_8( p_bo, vals[3] );
1967 else if( i_size < 0x10000000 )
1969 bo_add_8( p_bo, vals[0] );
1970 bo_add_8( p_bo, vals[1] );
1971 bo_add_8( p_bo, vals[2] );
1972 bo_add_8( p_bo, vals[3] );
1976 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
1980 for( i = 0; i < p_bo2->i_buffer; i++ )
1982 bo_add_8( p_bo, p_bo2->p_buffer[i] );
1986 static bo_t * box_new( char *fcc )
1990 if( ( box = malloc( sizeof( bo_t ) ) ) )
1992 bo_init( box, 0, NULL, VLC_TRUE );
1994 bo_add_32be ( box, 0 );
1995 bo_add_fourcc( box, fcc );
2001 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2005 if( ( box = malloc( sizeof( bo_t ) ) ) )
2007 bo_init( box, 0, NULL, VLC_TRUE );
2009 bo_add_32be ( box, 0 );
2010 bo_add_fourcc( box, fcc );
2011 bo_add_8 ( box, v );
2012 bo_add_24be ( box, f );
2018 static void box_fix( bo_t *box )
2022 memcpy( &box_tmp, box, sizeof( bo_t ) );
2024 box_tmp.i_buffer = 0;
2025 bo_add_32be( &box_tmp, box->i_buffer );
2028 static void box_free( bo_t *box )
2032 free( box->p_buffer );
2038 static void box_gather ( bo_t *box, bo_t *box2 )
2040 bo_add_bo( box, box2 );
2044 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2048 p_buf = block_New( p_sout, box->i_buffer );
2049 if( box->i_buffer > 0 )
2051 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2057 static void box_send( sout_mux_t *p_mux, bo_t *box )
2061 p_buf = bo_to_sout( p_mux->p_sout, box );
2064 sout_AccessOutWrite( p_mux->p_access, p_buf );
2067 static int64_t get_timestamp()
2069 int64_t i_timestamp = 0;
2072 i_timestamp = time(NULL);
2073 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2074 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60