1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003, 2006 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
35 #include <vlc_block.h>
36 #include <vlc_codecs.h>
45 /*****************************************************************************
47 *****************************************************************************/
48 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
49 #define FASTSTART_LONGTEXT N_( \
50 "Create \"Fast Start\" files. " \
51 "\"Fast Start\" files are optimized for downloads and allow the user " \
52 "to start previewing the file while it is downloading.")
54 static int Open ( vlc_object_t * );
55 static void Close ( vlc_object_t * );
57 #define SOUT_CFG_PREFIX "sout-mp4-"
60 set_description( _("MP4/MOV muxer") );
61 set_category( CAT_SOUT );
62 set_subcategory( SUBCAT_SOUT_MUX );
63 set_shortname( "MP4" );
65 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
66 FASTSTART_TEXT, FASTSTART_LONGTEXT,
68 set_capability( "sout mux", 5 );
69 add_shortcut( "mp4" );
70 add_shortcut( "mov" );
71 add_shortcut( "3gp" );
72 set_callbacks( Open, Close );
75 /*****************************************************************************
77 *****************************************************************************/
78 static const char *ppsz_sout_options[] = {
82 static int Control( sout_mux_t *, int, va_list );
83 static int AddStream( sout_mux_t *, sout_input_t * );
84 static int DelStream( sout_mux_t *, sout_input_t * );
85 static int Mux ( sout_mux_t * );
87 /*****************************************************************************
89 *****************************************************************************/
107 unsigned int i_entry_count;
108 unsigned int i_entry_max;
110 int64_t i_length_neg;
116 /* for later stco fix-up (fast start files) */
125 struct sout_mux_sys_t
130 vlc_bool_t b_fast_start;
138 mp4_stream_t **pp_streams;
151 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
152 static void bo_add_8 ( bo_t *, uint8_t );
153 static void bo_add_16be ( bo_t *, uint16_t );
154 static void bo_add_24be ( bo_t *, uint32_t );
155 static void bo_add_32be ( bo_t *, uint32_t );
156 static void bo_add_64be ( bo_t *, uint64_t );
157 static void bo_add_fourcc(bo_t *, const char * );
158 static void bo_add_bo ( bo_t *, bo_t * );
159 static void bo_add_mem ( bo_t *, int , uint8_t * );
160 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
162 static void bo_fix_32be ( bo_t *, int , uint32_t );
164 static bo_t *box_new ( const char *fcc );
165 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
166 static void box_fix ( bo_t *box );
167 static void box_free ( bo_t *box );
168 static void box_gather ( bo_t *box, bo_t *box2 );
170 static void box_send( sout_mux_t *p_mux, bo_t *box );
172 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
174 static bo_t *GetMoovBox( sout_mux_t *p_mux );
176 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
177 static block_t *ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
179 /*****************************************************************************
181 *****************************************************************************/
182 static int Open( vlc_object_t *p_this )
184 sout_mux_t *p_mux = (sout_mux_t*)p_this;
185 sout_mux_sys_t *p_sys;
188 msg_Dbg( p_mux, "Mp4 muxer opened" );
189 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
191 p_mux->pf_control = Control;
192 p_mux->pf_addstream = AddStream;
193 p_mux->pf_delstream = DelStream;
195 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
197 p_sys->i_nb_streams = 0;
198 p_sys->pp_streams = NULL;
199 p_sys->i_mdat_pos = 0;
200 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
201 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
202 p_sys->i_dts_start = 0;
207 /* Now add ftyp header */
208 box = box_new( "ftyp" );
209 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
210 else bo_add_fourcc( box, "isom" );
211 bo_add_32be ( box, 0 );
212 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
213 else bo_add_fourcc( box, "mp41" );
216 p_sys->i_pos += box->i_buffer;
217 p_sys->i_mdat_pos = p_sys->i_pos;
219 box_send( p_mux, box );
223 * Quicktime actually doesn't like the 64 bits extensions !!! */
224 p_sys->b_64_ext = VLC_FALSE;
226 /* Now add mdat header */
227 box = box_new( "mdat" );
228 bo_add_64be ( box, 0 ); // enough to store an extended size
230 p_sys->i_pos += box->i_buffer;
232 box_send( p_mux, box );
237 /*****************************************************************************
239 *****************************************************************************/
240 static void Close( vlc_object_t * p_this )
242 sout_mux_t *p_mux = (sout_mux_t*)p_this;
243 sout_mux_sys_t *p_sys = p_mux->p_sys;
251 msg_Dbg( p_mux, "Close" );
253 /* Update mdat size */
254 bo_init( &bo, 0, NULL, VLC_TRUE );
255 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
258 bo_add_32be ( &bo, 1 );
259 bo_add_fourcc( &bo, "mdat" );
260 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
264 bo_add_32be ( &bo, 8 );
265 bo_add_fourcc( &bo, "wide" );
266 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
267 bo_add_fourcc( &bo, "mdat" );
269 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
272 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
273 sout_AccessOutWrite( p_mux->p_access, p_hdr );
275 /* Create MOOV header */
276 i_moov_pos = p_sys->i_pos;
277 moov = GetMoovBox( p_mux );
279 /* Check we need to create "fast start" files */
280 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
281 p_sys->b_fast_start = val.b_bool;
282 while( p_sys->b_fast_start )
284 /* Move data to the end of the file so we can fit the moov header
287 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
288 int i_moov_size = moov->i_buffer;
292 i_chunk = __MIN( 32768, i_size );
293 p_buf = block_New( p_mux, i_chunk );
294 sout_AccessOutSeek( p_mux->p_access,
295 p_sys->i_mdat_pos + i_size - i_chunk );
296 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
298 msg_Warn( p_this, "read() not supported by access output, "
299 "won't create a fast start file" );
300 p_sys->b_fast_start = VLC_FALSE;
301 block_Release( p_buf );
304 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
305 i_moov_size - i_chunk );
306 sout_AccessOutWrite( p_mux->p_access, p_buf );
310 if( !p_sys->b_fast_start ) break;
312 /* Fix-up samples to chunks table in MOOV header */
313 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
315 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
319 moov->i_buffer = p_stream->i_stco_pos;
320 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
322 if( p_stream->b_stco64 )
323 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
325 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
327 while( i < p_stream->i_entry_count )
329 if( i + 1 < p_stream->i_entry_count &&
330 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
331 != p_stream->entry[i + 1].i_pos )
342 moov->i_buffer = i_moov_size;
343 i_moov_pos = p_sys->i_mdat_pos;
344 p_sys->b_fast_start = VLC_FALSE;
347 /* Write MOOV header */
348 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
349 box_send( p_mux, moov );
352 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
354 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
356 es_format_Clean( &p_stream->fmt );
357 free( p_stream->entry );
360 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
373 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
374 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
375 *pb_bool = VLC_FALSE;
378 case MUX_GET_ADD_STREAM_WAIT:
379 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
383 case MUX_GET_MIME: /* Not needed, as not streamable */
389 /*****************************************************************************
391 *****************************************************************************/
392 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
394 sout_mux_sys_t *p_sys = p_mux->p_sys;
395 mp4_stream_t *p_stream;
397 switch( p_input->p_fmt->i_codec )
399 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
400 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
401 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
402 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
403 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
404 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
405 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
406 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
407 case VLC_FOURCC( 'H', '2', '6', '3' ):
408 case VLC_FOURCC( 'h', '2', '6', '4' ):
409 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
410 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
411 case VLC_FOURCC( 'Y', 'V', '1', '2' ):
412 case VLC_FOURCC( 'Y', 'U', 'Y', '2' ):
414 case VLC_FOURCC( 's', 'u', 'b', 't' ):
415 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
418 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
419 (char*)&p_input->p_fmt->i_codec );
423 p_stream = malloc( sizeof( mp4_stream_t ) );
424 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
425 p_stream->i_track_id = p_sys->i_nb_streams + 1;
426 p_stream->i_length_neg = 0;
427 p_stream->i_entry_count = 0;
428 p_stream->i_entry_max = 1000;
430 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
431 p_stream->i_dts_start = 0;
432 p_stream->i_duration = 0;
434 p_input->p_sys = p_stream;
436 msg_Dbg( p_mux, "adding input" );
438 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
442 /*****************************************************************************
444 *****************************************************************************/
445 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
447 msg_Dbg( p_mux, "removing input" );
451 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
457 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
459 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
462 if( block_FifoCount( p_fifo ) <= 1 )
464 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
466 return -1; // wait that all fifo have at least 2 packets
468 /* For SPU, we wait only 1 packet */
472 p_buf = block_FifoShow( p_fifo );
473 if( i_stream < 0 || p_buf->i_dts < i_dts )
475 i_dts = p_buf->i_dts;
481 *pi_stream = i_stream;
490 /*****************************************************************************
492 *****************************************************************************/
493 static int Mux( sout_mux_t *p_mux )
495 sout_mux_sys_t *p_sys = p_mux->p_sys;
499 sout_input_t *p_input;
501 mp4_stream_t *p_stream;
505 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
507 return( VLC_SUCCESS );
510 p_input = p_mux->pp_inputs[i_stream];
511 p_stream = (mp4_stream_t*)p_input->p_sys;
514 p_data = block_FifoGet( p_input->p_fifo );
515 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
517 p_data = ConvertAVC1( p_mux, p_stream, p_data );
519 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
521 p_data = ConvertSUBT( p_mux, p_stream, p_data );
523 if( p_data == NULL ) goto again;
525 if( p_stream->fmt.i_cat != SPU_ES )
527 /* Fix length of the sample */
528 if( block_FifoCount( p_input->p_fifo ) > 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 an empty sub" ) ;
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 block_t *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 startcodes 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 /* Skip blocks with SPS/PPS */
705 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
707 ; // FIXME Find a way to skip dat without frelling everything
715 static int GetDescrLength( int i_size )
717 if( i_size < 0x00000080 )
719 else if( i_size < 0x00004000 )
721 else if( i_size < 0x00200000 )
727 static bo_t *GetESDS( mp4_stream_t *p_stream )
731 int i_object_type_indication;
732 int i_decoder_specific_info_size;
734 int64_t i_bitrate_avg = 0;
735 int64_t i_bitrate_max = 0;
737 /* Compute avg/max bitrate */
738 for( i = 0; i < p_stream->i_entry_count; i++ )
740 i_bitrate_avg += p_stream->entry[i].i_size;
741 if( p_stream->entry[i].i_length > 0)
743 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
744 if( i_bitrate > i_bitrate_max )
745 i_bitrate_max = i_bitrate;
749 if( p_stream->i_duration > 0 )
750 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
753 if( i_bitrate_max <= 1 )
754 i_bitrate_max = 0x7fffffff;
757 if( p_stream->fmt.i_extra > 0 )
759 i_decoder_specific_info_size =
760 GetDescrLength( p_stream->fmt.i_extra );
764 i_decoder_specific_info_size = 0;
767 esds = box_full_new( "esds", 0, 0 );
770 bo_add_descr( esds, 0x03, 3 +
771 GetDescrLength( 13 + i_decoder_specific_info_size ) +
772 GetDescrLength( 1 ) );
773 bo_add_16be( esds, p_stream->i_track_id );
774 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
776 /* DecoderConfigDescr */
777 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
779 switch( p_stream->fmt.i_codec )
781 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
782 i_object_type_indication = 0x20;
784 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
785 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
786 i_object_type_indication = 0x60;
788 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
789 /* FIXME for mpeg2-aac == 0x66->0x68 */
790 i_object_type_indication = 0x40;
792 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
793 i_object_type_indication =
794 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
797 i_object_type_indication = 0x00;
800 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
802 bo_add_8 ( esds, i_object_type_indication );
803 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
804 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
805 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
806 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
808 if( p_stream->fmt.i_extra > 0 )
812 /* DecoderSpecificInfo */
813 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
815 for( i = 0; i < p_stream->fmt.i_extra; i++ )
817 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
821 /* SL_Descr mandatory */
822 bo_add_descr( esds, 0x06, 1 );
823 bo_add_8 ( esds, 0x02 ); // sl_predefined
830 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
835 wave = box_new( "wave" );
837 box = box_new( "frma" );
838 bo_add_fourcc( box, "mp4a" );
840 box_gather( wave, box );
842 box = box_new( "mp4a" );
843 bo_add_32be( box, 0 );
845 box_gather( wave, box );
847 box = GetESDS( p_stream );
849 box_gather( wave, box );
851 box = box_new( "srcq" );
852 bo_add_32be( box, 0x40 );
854 box_gather( wave, box );
857 bo_add_32be( wave, 8 ); /* new empty box */
858 bo_add_32be( wave, 0 ); /* box label */
865 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
869 damr = box_new( "damr" );
871 bo_add_fourcc( damr, "REFC" );
874 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
875 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
877 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
878 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
885 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
889 d263 = box_new( "d263" );
891 bo_add_fourcc( d263, "VLC " );
892 bo_add_16be( d263, 0xa );
900 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
903 uint8_t *p_sps = NULL;
904 uint8_t *p_pps = NULL;
908 if( p_stream->fmt.i_extra > 0 )
910 /* FIXME: take into account multiple sps/pps */
911 uint8_t *p_buffer = p_stream->fmt.p_extra;
912 int i_buffer = p_stream->fmt.i_extra;
914 while( i_buffer > 4 &&
915 p_buffer[0] == 0 && p_buffer[1] == 0 &&
916 p_buffer[2] == 0 && p_buffer[3] == 1 )
918 const int i_nal_type = p_buffer[4]&0x1f;
923 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
925 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
927 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
928 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
930 /* we found another startcode */
931 i_startcode = i_offset;
935 i_size = i_startcode ? i_startcode : i_buffer;
936 if( i_nal_type == 7 )
938 p_sps = &p_buffer[4];
939 i_sps_size = i_size - 4;
941 if( i_nal_type == 8 )
943 p_pps = &p_buffer[4];
944 i_pps_size = i_size - 4;
951 /* FIXME use better value */
952 avcC = box_new( "avcC" );
953 bo_add_8( avcC, 1 ); /* configuration version */
954 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
955 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
956 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
957 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
959 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
962 bo_add_16be( avcC, i_sps_size );
963 bo_add_mem( avcC, i_sps_size, p_sps );
966 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
969 bo_add_16be( avcC, i_pps_size );
970 bo_add_mem( avcC, i_pps_size, p_pps );
977 /* TODO: No idea about these values */
978 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
980 bo_t *smi = box_new( "SMI " );
982 if( p_stream->fmt.i_extra > 0x4e )
984 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
985 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
987 while( p + 8 < p_end )
989 int i_size = GetDWBE( p );
992 /* FIXME handle 1 as long size */
995 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
997 bo_add_mem( smi, p_end - p - 8, &p[8] );
1004 /* Create a dummy one in fallback */
1005 bo_add_fourcc( smi, "SEQH" );
1006 bo_add_32be( smi, 0x5 );
1007 bo_add_32be( smi, 0xe2c0211d );
1008 bo_add_8( smi, 0xc0 );
1014 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1016 sout_mux_sys_t *p_sys = p_mux->p_sys;
1017 bo_t *udta = box_new( "udta" );
1018 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1022 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1024 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1026 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1027 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1029 bo_t *box = box_new( "\251req" );
1031 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1032 bo_add_16be( box, 0 );
1033 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1034 (uint8_t *)"QuickTime 6.0 or greater" );
1036 box_gather( udta, box );
1043 bo_t *box = box_new( "\251enc" );
1045 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1046 bo_add_16be( box, 0 );
1047 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1048 (uint8_t*)PACKAGE_STRING " stream output" );
1050 box_gather( udta, box );
1056 #define ADD_META_BOX( type, box_string ) { \
1058 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1061 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1062 bo_add_16be( box, 0 ); \
1063 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1064 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1066 box_gather( udta, box ); \
1069 ADD_META_BOX( Title, "nam" );
1070 ADD_META_BOX( Artist, "ART" );
1071 ADD_META_BOX( Genre, "gen" );
1072 ADD_META_BOX( Copyright, "cpy" );
1073 ADD_META_BOX( Description, "des" );
1074 ADD_META_BOX( Date, "day" );
1075 ADD_META_BOX( URL, "url" );
1083 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1085 sout_mux_sys_t *p_sys = p_mux->p_sys;
1086 vlc_bool_t b_descr = VLC_FALSE;
1091 switch( p_stream->fmt.i_codec )
1093 case VLC_FOURCC('m','p','4','a'):
1094 memcpy( fcc, "mp4a", 4 );
1098 case VLC_FOURCC('s','a','m','r'):
1099 case VLC_FOURCC('s','a','w','b'):
1100 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1104 case VLC_FOURCC('m','p','g','a'):
1106 memcpy( fcc, ".mp3", 4 );
1109 memcpy( fcc, "mp4a", 4 );
1115 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1119 soun = box_new( fcc );
1120 for( i = 0; i < 6; i++ )
1122 bo_add_8( soun, 0 ); // reserved;
1124 bo_add_16be( soun, 1 ); // data-reference-index
1126 /* SoundDescription */
1128 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1130 bo_add_16be( soun, 1 ); // version 1;
1134 bo_add_16be( soun, 0 ); // version 0;
1136 bo_add_16be( soun, 0 ); // revision level (0)
1137 bo_add_32be( soun, 0 ); // vendor
1139 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1141 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1142 p_stream->fmt.audio.i_bitspersample : 16 );
1143 bo_add_16be( soun, -2 ); // compression id
1144 bo_add_16be( soun, 0 ); // packet size (0)
1145 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1146 bo_add_16be( soun, 0 ); // sampleratelo
1148 /* Extended data for SoundDescription V1 */
1150 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1152 /* samples per packet */
1153 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1154 bo_add_32be( soun, 1536 ); /* bytes per packet */
1155 bo_add_32be( soun, 2 ); /* bytes per frame */
1156 /* bytes per sample */
1157 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1160 /* Add an ES Descriptor */
1166 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1168 box = GetWaveTag( p_stream );
1170 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1172 box = GetDamrTag( p_stream );
1176 box = GetESDS( p_stream );
1179 box_gather( soun, box );
1187 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1194 switch( p_stream->fmt.i_codec )
1196 case VLC_FOURCC('m','p','4','v'):
1197 case VLC_FOURCC('m','p','g','v'):
1198 memcpy( fcc, "mp4v", 4 );
1201 case VLC_FOURCC('M','J','P','G'):
1202 memcpy( fcc, "mjpa", 4 );
1205 case VLC_FOURCC('S','V','Q','1'):
1206 memcpy( fcc, "SVQ1", 4 );
1209 case VLC_FOURCC('S','V','Q','3'):
1210 memcpy( fcc, "SVQ3", 4 );
1213 case VLC_FOURCC('H','2','6','3'):
1214 memcpy( fcc, "s263", 4 );
1217 case VLC_FOURCC('h','2','6','4'):
1218 memcpy( fcc, "avc1", 4 );
1221 case VLC_FOURCC('Y','V','1','2'):
1222 memcpy( fcc, "yv12", 4 );
1225 case VLC_FOURCC('Y','U','Y','2'):
1226 memcpy( fcc, "yuy2", 4 );
1230 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1234 vide = box_new( fcc );
1235 for( i = 0; i < 6; i++ )
1237 bo_add_8( vide, 0 ); // reserved;
1239 bo_add_16be( vide, 1 ); // data-reference-index
1241 bo_add_16be( vide, 0 ); // predefined;
1242 bo_add_16be( vide, 0 ); // reserved;
1243 for( i = 0; i < 3; i++ )
1245 bo_add_32be( vide, 0 ); // predefined;
1248 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1249 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1251 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1252 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1254 bo_add_32be( vide, 0 ); // data size, always 0
1255 bo_add_16be( vide, 1 ); // frames count per sample
1258 for( i = 0; i < 32; i++ )
1260 bo_add_8( vide, 0 );
1263 bo_add_16be( vide, 0x18 ); // depth
1264 bo_add_16be( vide, 0xffff ); // predefined
1266 /* add an ES Descriptor */
1267 switch( p_stream->fmt.i_codec )
1269 case VLC_FOURCC('m','p','4','v'):
1270 case VLC_FOURCC('m','p','g','v'):
1272 bo_t *esds = GetESDS( p_stream );
1275 box_gather( vide, esds );
1279 case VLC_FOURCC('H','2','6','3'):
1281 bo_t *d263 = GetD263Tag( p_stream );
1284 box_gather( vide, d263 );
1288 case VLC_FOURCC('S','V','Q','3'):
1290 bo_t *esds = GetSVQ3Tag( p_stream );
1293 box_gather( vide, esds );
1297 case VLC_FOURCC('h','2','6','4'):
1298 box_gather( vide, GetAvcCTag( p_stream ) );
1310 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1313 bo_t *text = box_new( "text" );
1316 for( i = 0; i < 6; i++ )
1318 bo_add_8( text, 0 ); // reserved;
1320 bo_add_16be( text, 1 ); // data-reference-index
1322 bo_add_32be( text, 0 ); // display flags
1323 bo_add_32be( text, 0 ); // justification
1324 for( i = 0; i < 3; i++ )
1326 bo_add_16be( text, 0 ); // back ground color
1329 bo_add_16be( text, 0 ); // box text
1330 bo_add_16be( text, 0 ); // box text
1331 bo_add_16be( text, 0 ); // box text
1332 bo_add_16be( text, 0 ); // box text
1334 bo_add_64be( text, 0 ); // reserved
1335 for( i = 0; i < 3; i++ )
1337 bo_add_16be( text, 0xff ); // foreground color
1340 bo_add_8 ( text, 9 );
1341 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1348 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1350 sout_mux_sys_t *p_sys = p_mux->p_sys;
1351 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1352 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1353 uint32_t i_timescale;
1354 int64_t i_dts, i_dts_q;
1356 stbl = box_new( "stbl" );
1358 /* sample description */
1359 stsd = box_full_new( "stsd", 0, 0 );
1360 bo_add_32be( stsd, 1 );
1361 if( p_stream->fmt.i_cat == AUDIO_ES )
1363 bo_t *soun = GetSounBox( p_mux, p_stream );
1364 box_gather( stsd, soun );
1366 else if( p_stream->fmt.i_cat == VIDEO_ES )
1368 bo_t *vide = GetVideBox( p_mux, p_stream );
1369 box_gather( stsd, vide );
1371 else if( p_stream->fmt.i_cat == SPU_ES )
1373 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1377 /* chunk offset table */
1378 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1380 /* 64 bits version */
1381 p_stream->b_stco64 = VLC_TRUE;
1382 stco = box_full_new( "co64", 0, 0 );
1386 /* 32 bits version */
1387 p_stream->b_stco64 = VLC_FALSE;
1388 stco = box_full_new( "stco", 0, 0 );
1390 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1392 /* sample to chunk table */
1393 stsc = box_full_new( "stsc", 0, 0 );
1394 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1396 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1397 i < p_stream->i_entry_count; i_chunk++ )
1401 if( p_stream->b_stco64 )
1402 bo_add_64be( stco, p_stream->entry[i].i_pos );
1404 bo_add_32be( stco, p_stream->entry[i].i_pos );
1406 while( i < p_stream->i_entry_count )
1408 if( i + 1 < p_stream->i_entry_count &&
1409 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1410 != p_stream->entry[i + 1].i_pos )
1419 /* Add entry to the stsc table */
1420 if( i_stsc_last_val != i - i_first )
1422 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1423 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1424 bo_add_32be( stsc, 1 ); // sample-descr-index
1425 i_stsc_last_val = i - i_first;
1430 /* Fix stco entry count */
1431 bo_fix_32be( stco, 12, i_chunk );
1432 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1435 /* Fix stsc entry count */
1436 bo_fix_32be( stsc, 12, i_stsc_entries );
1440 stts = box_full_new( "stts", 0, 0 );
1441 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1443 if( p_stream->fmt.i_cat == AUDIO_ES )
1444 i_timescale = p_stream->fmt.audio.i_rate;
1448 /* first, create quantified length */
1449 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1451 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1452 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1454 i_dts += p_stream->entry[i].i_length;
1456 p_stream->entry[i].i_length =
1457 i_delta * (int64_t)i_timescale / I64C(1000000);
1459 i_dts_q += p_stream->entry[i].i_length;
1461 /* then write encoded table */
1462 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1465 int64_t i_delta = p_stream->entry[i].i_length;
1467 while( i < p_stream->i_entry_count )
1470 if( i >= p_stream->i_entry_count ||
1471 p_stream->entry[i].i_length != i_delta )
1477 bo_add_32be( stts, i - i_first ); // sample-count
1478 bo_add_32be( stts, i_delta ); // sample-delta
1480 bo_fix_32be( stts, 12, i_index );
1483 /* FIXME add ctts ?? FIXME */
1485 stsz = box_full_new( "stsz", 0, 0 );
1486 bo_add_32be( stsz, 0 ); // sample-size
1487 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1488 for( i = 0; i < p_stream->i_entry_count; i++ )
1490 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1494 /* create stss table */
1496 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1498 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1502 stss = box_full_new( "stss", 0, 0 );
1503 bo_add_32be( stss, 0 ); /* fixed later */
1505 bo_add_32be( stss, 1 + i );
1511 bo_fix_32be( stss, 12, i_index );
1515 /* Now gather all boxes into stbl */
1516 box_gather( stbl, stsd );
1517 box_gather( stbl, stts );
1520 box_gather( stbl, stss );
1522 box_gather( stbl, stsc );
1523 box_gather( stbl, stsz );
1524 p_stream->i_stco_pos = stbl->i_buffer + 16;
1525 box_gather( stbl, stco );
1533 static int64_t get_timestamp(void);
1535 static uint32_t mvhd_matrix[9] =
1536 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1538 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1540 sout_mux_sys_t *p_sys = p_mux->p_sys;
1545 uint32_t i_movie_timescale = 90000;
1546 int64_t i_movie_duration = 0;
1548 moov = box_new( "moov" );
1550 /* Create general info */
1551 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1553 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1554 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1556 msg_Dbg( p_mux, "movie duration %ds",
1557 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1559 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1561 /* *** add /moov/mvhd *** */
1562 if( !p_sys->b_64_ext )
1564 mvhd = box_full_new( "mvhd", 0, 0 );
1565 bo_add_32be( mvhd, get_timestamp() ); // creation time
1566 bo_add_32be( mvhd, get_timestamp() ); // modification time
1567 bo_add_32be( mvhd, i_movie_timescale); // timescale
1568 bo_add_32be( mvhd, i_movie_duration ); // duration
1572 mvhd = box_full_new( "mvhd", 1, 0 );
1573 bo_add_64be( mvhd, get_timestamp() ); // creation time
1574 bo_add_64be( mvhd, get_timestamp() ); // modification time
1575 bo_add_32be( mvhd, i_movie_timescale); // timescale
1576 bo_add_64be( mvhd, i_movie_duration ); // duration
1578 bo_add_32be( mvhd, 0x10000 ); // rate
1579 bo_add_16be( mvhd, 0x100 ); // volume
1580 bo_add_16be( mvhd, 0 ); // reserved
1581 for( i = 0; i < 2; i++ )
1583 bo_add_32be( mvhd, 0 ); // reserved
1585 for( i = 0; i < 9; i++ )
1587 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1589 for( i = 0; i < 6; i++ )
1591 bo_add_32be( mvhd, 0 ); // pre-defined
1594 /* Next available track id */
1595 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1598 box_gather( moov, mvhd );
1600 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1602 mp4_stream_t *p_stream;
1603 uint32_t i_timescale;
1605 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1606 bo_t *minf, *dinf, *dref, *url, *stbl;
1608 p_stream = p_sys->pp_streams[i_trak];
1610 if( p_stream->fmt.i_cat == AUDIO_ES )
1611 i_timescale = p_stream->fmt.audio.i_rate;
1615 /* *** add /moov/trak *** */
1616 trak = box_new( "trak" );
1618 /* *** add /moov/trak/tkhd *** */
1619 if( !p_sys->b_64_ext )
1622 tkhd = box_full_new( "tkhd", 0, 0x0f );
1624 tkhd = box_full_new( "tkhd", 0, 1 );
1626 bo_add_32be( tkhd, get_timestamp() ); // creation time
1627 bo_add_32be( tkhd, get_timestamp() ); // modification time
1628 bo_add_32be( tkhd, p_stream->i_track_id );
1629 bo_add_32be( tkhd, 0 ); // reserved 0
1630 bo_add_32be( tkhd, p_stream->i_duration *
1631 (int64_t)i_movie_timescale /
1632 (mtime_t)1000000 ); // duration
1637 tkhd = box_full_new( "tkhd", 1, 0x0f );
1639 tkhd = box_full_new( "tkhd", 1, 1 );
1641 bo_add_64be( tkhd, get_timestamp() ); // creation time
1642 bo_add_64be( tkhd, get_timestamp() ); // modification time
1643 bo_add_32be( tkhd, p_stream->i_track_id );
1644 bo_add_32be( tkhd, 0 ); // reserved 0
1645 bo_add_64be( tkhd, p_stream->i_duration *
1646 (int64_t)i_movie_timescale /
1647 (mtime_t)1000000 ); // duration
1650 for( i = 0; i < 2; i++ )
1652 bo_add_32be( tkhd, 0 ); // reserved
1654 bo_add_16be( tkhd, 0 ); // layer
1655 bo_add_16be( tkhd, 0 ); // pre-defined
1657 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1658 bo_add_16be( tkhd, 0 ); // reserved
1659 for( i = 0; i < 9; i++ )
1661 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1663 if( p_stream->fmt.i_cat == AUDIO_ES )
1665 bo_add_32be( tkhd, 0 ); // width (presentation)
1666 bo_add_32be( tkhd, 0 ); // height(presentation)
1668 else if( p_stream->fmt.i_cat == VIDEO_ES )
1670 int i_width = p_stream->fmt.video.i_width << 16;
1671 if( p_stream->fmt.video.i_aspect > 0 )
1673 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1674 ((int64_t)p_stream->fmt.video.i_height << 16) /
1677 // width (presentation)
1678 bo_add_32be( tkhd, i_width );
1679 // height(presentation)
1680 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1684 int i_width = 320 << 16;
1687 for( i = 0; i < p_sys->i_nb_streams; i++ )
1689 mp4_stream_t *tk = p_sys->pp_streams[i];
1690 if( tk->fmt.i_cat == VIDEO_ES )
1692 if( p_stream->fmt.video.i_aspect )
1693 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1694 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1696 i_width = p_stream->fmt.video.i_width << 16;
1697 i_height = p_stream->fmt.video.i_height;
1701 bo_add_32be( tkhd, i_width ); // width (presentation)
1702 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1706 box_gather( trak, tkhd );
1708 /* *** add /moov/trak/edts and elst */
1709 edts = box_new( "edts" );
1710 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1711 if( p_stream->i_dts_start > p_sys->i_dts_start )
1713 bo_add_32be( elst, 2 );
1715 if( p_sys->b_64_ext )
1717 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1718 i_movie_timescale / I64C(1000000) );
1719 bo_add_64be( elst, -1 );
1723 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1724 i_movie_timescale / I64C(1000000) );
1725 bo_add_32be( elst, -1 );
1727 bo_add_16be( elst, 1 );
1728 bo_add_16be( elst, 0 );
1732 bo_add_32be( elst, 1 );
1734 if( p_sys->b_64_ext )
1736 bo_add_64be( elst, p_stream->i_duration *
1737 i_movie_timescale / I64C(1000000) );
1738 bo_add_64be( elst, 0 );
1742 bo_add_32be( elst, p_stream->i_duration *
1743 i_movie_timescale / I64C(1000000) );
1744 bo_add_32be( elst, 0 );
1746 bo_add_16be( elst, 1 );
1747 bo_add_16be( elst, 0 );
1750 box_gather( edts, elst );
1752 box_gather( trak, edts );
1754 /* *** add /moov/trak/mdia *** */
1755 mdia = box_new( "mdia" );
1758 if( !p_sys->b_64_ext )
1760 mdhd = box_full_new( "mdhd", 0, 0 );
1761 bo_add_32be( mdhd, get_timestamp() ); // creation time
1762 bo_add_32be( mdhd, get_timestamp() ); // modification time
1763 bo_add_32be( mdhd, i_timescale); // timescale
1764 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1765 (mtime_t)1000000 ); // duration
1769 mdhd = box_full_new( "mdhd", 1, 0 );
1770 bo_add_64be( mdhd, get_timestamp() ); // creation time
1771 bo_add_64be( mdhd, get_timestamp() ); // modification time
1772 bo_add_32be( mdhd, i_timescale); // timescale
1773 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1774 (mtime_t)1000000 ); // duration
1777 if( p_stream->fmt.psz_language )
1779 char *psz = p_stream->fmt.psz_language;
1780 const iso639_lang_t *pl = NULL;
1781 uint16_t lang = 0x0;
1783 if( strlen( psz ) == 2 )
1785 pl = GetLang_1( psz );
1787 else if( strlen( psz ) == 3 )
1789 pl = GetLang_2B( psz );
1790 if( !strcmp( pl->psz_iso639_1, "??" ) )
1792 pl = GetLang_2T( psz );
1795 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1797 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1798 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1799 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1801 bo_add_16be( mdhd, lang ); // language
1805 bo_add_16be( mdhd, 0 ); // language
1807 bo_add_16be( mdhd, 0 ); // predefined
1809 box_gather( mdia, mdhd );
1811 /* handler reference */
1812 hdlr = box_full_new( "hdlr", 0, 0 );
1815 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1817 bo_add_32be( hdlr, 0 );
1819 if( p_stream->fmt.i_cat == AUDIO_ES )
1820 bo_add_fourcc( hdlr, "soun" );
1821 else if( p_stream->fmt.i_cat == VIDEO_ES )
1822 bo_add_fourcc( hdlr, "vide" );
1823 else if( p_stream->fmt.i_cat == SPU_ES )
1824 bo_add_fourcc( hdlr, "text" );
1826 bo_add_32be( hdlr, 0 ); // reserved
1827 bo_add_32be( hdlr, 0 ); // reserved
1828 bo_add_32be( hdlr, 0 ); // reserved
1831 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1833 if( p_stream->fmt.i_cat == AUDIO_ES )
1834 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1835 else if( p_stream->fmt.i_cat == VIDEO_ES )
1836 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1838 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1841 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1844 box_gather( mdia, hdlr );
1847 minf = box_new( "minf" );
1850 if( p_stream->fmt.i_cat == AUDIO_ES )
1854 smhd = box_full_new( "smhd", 0, 0 );
1855 bo_add_16be( smhd, 0 ); // balance
1856 bo_add_16be( smhd, 0 ); // reserved
1859 box_gather( minf, smhd );
1861 else if( p_stream->fmt.i_cat == VIDEO_ES )
1865 vmhd = box_full_new( "vmhd", 0, 1 );
1866 bo_add_16be( vmhd, 0 ); // graphicsmode
1867 for( i = 0; i < 3; i++ )
1869 bo_add_16be( vmhd, 0 ); // opcolor
1873 box_gather( minf, vmhd );
1875 else if( p_stream->fmt.i_cat == SPU_ES )
1877 bo_t *gmhd = box_new( "gmhd" );
1878 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1880 bo_add_16be( gmin, 0 ); // graphicsmode
1881 for( i = 0; i < 3; i++ )
1883 bo_add_16be( gmin, 0 ); // opcolor
1885 bo_add_16be( gmin, 0 ); // balance
1886 bo_add_16be( gmin, 0 ); // reserved
1889 box_gather( gmhd, gmin );
1892 box_gather( minf, gmhd );
1896 dinf = box_new( "dinf" );
1897 dref = box_full_new( "dref", 0, 0 );
1898 bo_add_32be( dref, 1 );
1899 url = box_full_new( "url ", 0, 0x01 );
1901 box_gather( dref, url );
1903 box_gather( dinf, dref );
1905 /* append dinf to mdia */
1907 box_gather( minf, dinf );
1910 stbl = GetStblBox( p_mux, p_stream );
1912 /* append stbl to minf */
1913 p_stream->i_stco_pos += minf->i_buffer;
1914 box_gather( minf, stbl );
1916 /* append minf to mdia */
1918 p_stream->i_stco_pos += mdia->i_buffer;
1919 box_gather( mdia, minf );
1921 /* append mdia to trak */
1923 p_stream->i_stco_pos += trak->i_buffer;
1924 box_gather( trak, mdia );
1926 /* append trak to moov */
1928 p_stream->i_stco_pos += moov->i_buffer;
1929 box_gather( moov, trak );
1932 /* Add user data tags */
1933 box_gather( moov, GetUdtaTag( p_mux ) );
1939 /****************************************************************************/
1941 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1946 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1947 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1951 p_bo->i_buffer_size = i_size;
1952 p_bo->p_buffer = p_buffer;
1955 p_bo->b_grow = b_grow;
1959 static void bo_add_8( bo_t *p_bo, uint8_t i )
1961 if( p_bo->i_buffer < p_bo->i_buffer_size )
1963 p_bo->p_buffer[p_bo->i_buffer] = i;
1965 else if( p_bo->b_grow )
1967 p_bo->i_buffer_size += 1024;
1968 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1970 p_bo->p_buffer[p_bo->i_buffer] = i;
1976 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1978 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1979 bo_add_8( p_bo, i &0xff );
1982 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1984 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1985 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1986 bo_add_8( p_bo, ( i &0xff ) );
1988 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1990 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1991 bo_add_16be( p_bo, i &0xffff );
1994 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1996 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1997 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1998 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1999 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
2002 static void bo_add_64be( bo_t *p_bo, uint64_t i )
2004 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
2005 bo_add_32be( p_bo, i &0xffffffff );
2008 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
2010 bo_add_8( p_bo, fcc[0] );
2011 bo_add_8( p_bo, fcc[1] );
2012 bo_add_8( p_bo, fcc[2] );
2013 bo_add_8( p_bo, fcc[3] );
2016 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2020 for( i = 0; i < i_size; i++ )
2022 bo_add_8( p_bo, p_mem[i] );
2026 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2032 vals[3] = (unsigned char)(i_length & 0x7f);
2034 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2036 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2038 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2040 bo_add_8( p_bo, tag );
2042 if( i_size < 0x00000080 )
2044 bo_add_8( p_bo, vals[3] );
2046 else if( i_size < 0x00004000 )
2048 bo_add_8( p_bo, vals[2] );
2049 bo_add_8( p_bo, vals[3] );
2051 else if( i_size < 0x00200000 )
2053 bo_add_8( p_bo, vals[1] );
2054 bo_add_8( p_bo, vals[2] );
2055 bo_add_8( p_bo, vals[3] );
2057 else if( i_size < 0x10000000 )
2059 bo_add_8( p_bo, vals[0] );
2060 bo_add_8( p_bo, vals[1] );
2061 bo_add_8( p_bo, vals[2] );
2062 bo_add_8( p_bo, vals[3] );
2066 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2070 for( i = 0; i < p_bo2->i_buffer; i++ )
2072 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2076 static bo_t * box_new( const char *fcc )
2080 if( ( box = malloc( sizeof( bo_t ) ) ) )
2082 bo_init( box, 0, NULL, VLC_TRUE );
2084 bo_add_32be ( box, 0 );
2085 bo_add_fourcc( box, fcc );
2091 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2095 if( ( box = malloc( sizeof( bo_t ) ) ) )
2097 bo_init( box, 0, NULL, VLC_TRUE );
2099 bo_add_32be ( box, 0 );
2100 bo_add_fourcc( box, fcc );
2101 bo_add_8 ( box, v );
2102 bo_add_24be ( box, f );
2108 static void box_fix( bo_t *box )
2112 memcpy( &box_tmp, box, sizeof( bo_t ) );
2114 box_tmp.i_buffer = 0;
2115 bo_add_32be( &box_tmp, box->i_buffer );
2118 static void box_free( bo_t *box )
2122 free( box->p_buffer );
2128 static void box_gather ( bo_t *box, bo_t *box2 )
2130 bo_add_bo( box, box2 );
2134 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2138 p_buf = block_New( p_sout, box->i_buffer );
2139 if( box->i_buffer > 0 )
2141 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2147 static void box_send( sout_mux_t *p_mux, bo_t *box )
2151 p_buf = bo_to_sout( p_mux->p_sout, box );
2154 sout_AccessOutWrite( p_mux->p_access, p_buf );
2157 static int64_t get_timestamp(void)
2159 int64_t i_timestamp = 0;
2162 i_timestamp = time(NULL);
2163 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2164 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60