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 *****************************************************************************/
31 #include <vlc_block.h>
32 #include <vlc_codecs.h>
41 /*****************************************************************************
43 *****************************************************************************/
44 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
45 #define FASTSTART_LONGTEXT N_( \
46 "Create \"Fast Start\" files. " \
47 "\"Fast Start\" files are optimized for downloads and allow the user " \
48 "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") );
57 set_category( CAT_SOUT );
58 set_subcategory( SUBCAT_SOUT_MUX );
59 set_shortname( "MP4" );
61 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
62 FASTSTART_TEXT, FASTSTART_LONGTEXT,
65 set_capability( "sout mux", 5 );
66 add_shortcut( "mp4" );
67 add_shortcut( "mov" );
68 add_shortcut( "3gp" );
69 set_callbacks( Open, Close );
72 /*****************************************************************************
74 *****************************************************************************/
75 static const char *ppsz_sout_options[] = {
79 static int Control( sout_mux_t *, int, va_list );
80 static int AddStream( sout_mux_t *, sout_input_t * );
81 static int DelStream( sout_mux_t *, sout_input_t * );
82 static int Mux ( sout_mux_t * );
84 /*****************************************************************************
86 *****************************************************************************/
104 unsigned int i_entry_count;
105 unsigned int i_entry_max;
107 int64_t i_length_neg;
113 /* for later stco fix-up (fast start files) */
122 struct sout_mux_sys_t
127 vlc_bool_t b_fast_start;
135 mp4_stream_t **pp_streams;
148 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
149 static void bo_add_8 ( bo_t *, uint8_t );
150 static void bo_add_16be ( bo_t *, uint16_t );
151 static void bo_add_24be ( bo_t *, uint32_t );
152 static void bo_add_32be ( bo_t *, uint32_t );
153 static void bo_add_64be ( bo_t *, uint64_t );
154 static void bo_add_fourcc(bo_t *, const char * );
155 static void bo_add_bo ( bo_t *, bo_t * );
156 static void bo_add_mem ( bo_t *, int , uint8_t * );
157 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
159 static void bo_fix_32be ( bo_t *, int , uint32_t );
161 static bo_t *box_new ( const char *fcc );
162 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
163 static void box_fix ( bo_t *box );
164 static void box_free ( bo_t *box );
165 static void box_gather ( bo_t *box, bo_t *box2 );
167 static void box_send( sout_mux_t *p_mux, bo_t *box );
169 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
171 static bo_t *GetMoovBox( sout_mux_t *p_mux );
173 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
174 static block_t *ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
176 /*****************************************************************************
178 *****************************************************************************/
179 static int Open( vlc_object_t *p_this )
181 sout_mux_t *p_mux = (sout_mux_t*)p_this;
182 sout_mux_sys_t *p_sys;
185 msg_Dbg( p_mux, "Mp4 muxer opened" );
186 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
188 p_mux->pf_control = Control;
189 p_mux->pf_addstream = AddStream;
190 p_mux->pf_delstream = DelStream;
192 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
194 p_sys->i_nb_streams = 0;
195 p_sys->pp_streams = NULL;
196 p_sys->i_mdat_pos = 0;
197 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
198 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
199 p_sys->i_dts_start = 0;
204 /* Now add ftyp header */
205 box = box_new( "ftyp" );
206 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
207 else bo_add_fourcc( box, "isom" );
208 bo_add_32be ( box, 0 );
209 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
210 else bo_add_fourcc( box, "mp41" );
213 p_sys->i_pos += box->i_buffer;
214 p_sys->i_mdat_pos = p_sys->i_pos;
216 box_send( p_mux, box );
220 * Quicktime actually doesn't like the 64 bits extensions !!! */
221 p_sys->b_64_ext = VLC_FALSE;
223 /* Now add mdat header */
224 box = box_new( "mdat" );
225 bo_add_64be ( box, 0 ); // enough to store an extended size
227 p_sys->i_pos += box->i_buffer;
229 box_send( p_mux, box );
234 /*****************************************************************************
236 *****************************************************************************/
237 static void Close( vlc_object_t * p_this )
239 sout_mux_t *p_mux = (sout_mux_t*)p_this;
240 sout_mux_sys_t *p_sys = p_mux->p_sys;
248 msg_Dbg( p_mux, "Close" );
250 /* Update mdat size */
251 bo_init( &bo, 0, NULL, VLC_TRUE );
252 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
255 bo_add_32be ( &bo, 1 );
256 bo_add_fourcc( &bo, "mdat" );
257 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
261 bo_add_32be ( &bo, 8 );
262 bo_add_fourcc( &bo, "wide" );
263 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
264 bo_add_fourcc( &bo, "mdat" );
266 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
269 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
270 sout_AccessOutWrite( p_mux->p_access, p_hdr );
272 /* Create MOOV header */
273 i_moov_pos = p_sys->i_pos;
274 moov = GetMoovBox( p_mux );
276 /* Check we need to create "fast start" files */
277 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
278 p_sys->b_fast_start = val.b_bool;
279 while( p_sys->b_fast_start )
281 /* Move data to the end of the file so we can fit the moov header
284 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
285 int i_moov_size = moov->i_buffer;
289 i_chunk = __MIN( 32768, i_size );
290 p_buf = block_New( p_mux, i_chunk );
291 sout_AccessOutSeek( p_mux->p_access,
292 p_sys->i_mdat_pos + i_size - i_chunk );
293 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
295 msg_Warn( p_this, "read() not supported by access output, "
296 "won't create a fast start file" );
297 p_sys->b_fast_start = VLC_FALSE;
298 block_Release( p_buf );
301 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
302 i_moov_size - i_chunk );
303 sout_AccessOutWrite( p_mux->p_access, p_buf );
307 if( !p_sys->b_fast_start ) break;
309 /* Fix-up samples to chunks table in MOOV header */
310 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
312 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
316 moov->i_buffer = p_stream->i_stco_pos;
317 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
319 if( p_stream->b_stco64 )
320 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
322 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
324 while( i < p_stream->i_entry_count )
326 if( i + 1 < p_stream->i_entry_count &&
327 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
328 != p_stream->entry[i + 1].i_pos )
339 moov->i_buffer = i_moov_size;
340 i_moov_pos = p_sys->i_mdat_pos;
341 p_sys->b_fast_start = VLC_FALSE;
344 /* Write MOOV header */
345 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
346 box_send( p_mux, moov );
349 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
351 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
353 es_format_Clean( &p_stream->fmt );
354 free( p_stream->entry );
357 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
361 /*****************************************************************************
363 *****************************************************************************/
364 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
370 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
371 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
372 *pb_bool = VLC_FALSE;
375 case MUX_GET_ADD_STREAM_WAIT:
376 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
380 case MUX_GET_MIME: /* Not needed, as not streamable */
386 /*****************************************************************************
388 *****************************************************************************/
389 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
391 sout_mux_sys_t *p_sys = p_mux->p_sys;
392 mp4_stream_t *p_stream;
394 switch( p_input->p_fmt->i_codec )
396 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
397 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
398 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
399 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
400 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
401 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
402 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
403 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
404 case VLC_FOURCC( 'H', '2', '6', '3' ):
405 case VLC_FOURCC( 'h', '2', '6', '4' ):
406 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
407 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
408 case VLC_FOURCC( 'Y', 'V', '1', '2' ):
409 case VLC_FOURCC( 'Y', 'U', 'Y', '2' ):
411 case VLC_FOURCC( 's', 'u', 'b', 't' ):
412 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
415 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
416 (char*)&p_input->p_fmt->i_codec );
420 p_stream = malloc( sizeof( mp4_stream_t ) );
421 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
422 p_stream->i_track_id = p_sys->i_nb_streams + 1;
423 p_stream->i_length_neg = 0;
424 p_stream->i_entry_count = 0;
425 p_stream->i_entry_max = 1000;
427 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
428 p_stream->i_dts_start = 0;
429 p_stream->i_duration = 0;
431 p_input->p_sys = p_stream;
433 msg_Dbg( p_mux, "adding input" );
435 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
439 /*****************************************************************************
441 *****************************************************************************/
442 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
444 msg_Dbg( p_mux, "removing input" );
448 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
454 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
456 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
459 if( block_FifoCount( p_fifo ) <= 1 )
461 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
463 return -1; // wait that all fifo have at least 2 packets
465 /* For SPU, we wait only 1 packet */
469 p_buf = block_FifoShow( p_fifo );
470 if( i_stream < 0 || p_buf->i_dts < i_dts )
472 i_dts = p_buf->i_dts;
478 *pi_stream = i_stream;
487 /*****************************************************************************
489 *****************************************************************************/
490 static int Mux( sout_mux_t *p_mux )
492 sout_mux_sys_t *p_sys = p_mux->p_sys;
496 sout_input_t *p_input;
498 mp4_stream_t *p_stream;
502 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
504 return( VLC_SUCCESS );
507 p_input = p_mux->pp_inputs[i_stream];
508 p_stream = (mp4_stream_t*)p_input->p_sys;
511 p_data = block_FifoGet( p_input->p_fifo );
512 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
514 p_data = ConvertAVC1( p_mux, p_stream, p_data );
516 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
518 p_data = ConvertSUBT( p_mux, p_stream, p_data );
520 if( p_data == NULL ) goto again;
522 if( p_stream->fmt.i_cat != SPU_ES )
524 /* Fix length of the sample */
525 if( block_FifoCount( p_input->p_fifo ) > 0 )
527 block_t *p_next = block_FifoShow( p_input->p_fifo );
528 int64_t i_diff = p_next->i_dts - p_data->i_dts;
530 if( i_diff < I64C(1000000 ) ) /* protection */
532 p_data->i_length = i_diff;
535 if( p_data->i_length <= 0 )
537 msg_Warn( p_mux, "i_length <= 0" );
538 p_stream->i_length_neg += p_data->i_length - 1;
539 p_data->i_length = 1;
541 else if( p_stream->i_length_neg < 0 )
543 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
545 p_data->i_length -= i_recover;
546 p_stream->i_length_neg += i_recover;
550 /* Save starting time */
551 if( p_stream->i_entry_count == 0 )
553 p_stream->i_dts_start = p_data->i_dts;
555 /* Update global dts_start */
556 if( p_sys->i_dts_start <= 0 ||
557 p_stream->i_dts_start < p_sys->i_dts_start )
559 p_sys->i_dts_start = p_stream->i_dts_start;
563 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
565 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
569 /* FIXME handle this broken case */
574 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
576 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
581 /* add index entry */
582 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
583 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
584 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
585 __MAX( p_data->i_pts - p_data->i_dts, 0 );
586 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
587 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
589 p_stream->i_entry_count++;
590 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
591 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
593 p_stream->i_entry_max += 1000;
595 realloc( p_stream->entry,
596 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
600 p_stream->i_duration += p_data->i_length;
601 p_sys->i_pos += p_data->i_buffer;
604 p_stream->i_last_dts = p_data->i_dts;
607 sout_AccessOutWrite( p_mux->p_access, p_data );
609 if( p_stream->fmt.i_cat == SPU_ES )
611 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
616 msg_Dbg( p_mux, "writing an empty sub" ) ;
618 /* Append a idx entry */
619 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
620 p_stream->entry[p_stream->i_entry_count].i_size = 3;
621 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
622 p_stream->entry[p_stream->i_entry_count].i_length = 0;
623 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
625 /* XXX: No need to grow the entry here */
626 p_stream->i_entry_count++;
629 p_stream->i_last_dts += i_length;
632 p_data = block_New( p_mux, 3 );
633 p_data->p_buffer[0] = 0;
634 p_data->p_buffer[1] = 1;
635 p_data->p_buffer[2] = ' ';
637 p_sys->i_pos += p_data->i_buffer;
639 sout_AccessOutWrite( p_mux->p_access, p_data );
643 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
647 return( VLC_SUCCESS );
650 /*****************************************************************************
652 *****************************************************************************/
653 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
655 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
657 /* No trailling '\0' */
658 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
661 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
662 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
667 static block_t *ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
669 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
670 uint8_t *dat = &p_block->p_buffer[4];
671 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
674 /* Replace the 4 bytes start code with 4 bytes size,
675 * FIXME are all startcodes 4 bytes ? (I don't think :( */
680 while( dat < end - 4 )
682 if( dat[0] == 0x00 && dat[1] == 0x00 &&
683 dat[2] == 0x00 && dat[3] == 0x01 )
695 i_size = dat - &last[4];
696 last[0] = ( i_size >> 24 )&0xff;
697 last[1] = ( i_size >> 16 )&0xff;
698 last[2] = ( i_size >> 8 )&0xff;
699 last[3] = ( i_size )&0xff;
701 /* Skip blocks with SPS/PPS */
702 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
704 ; // FIXME Find a way to skip dat without frelling everything
712 static int GetDescrLength( int i_size )
714 if( i_size < 0x00000080 )
716 else if( i_size < 0x00004000 )
718 else if( i_size < 0x00200000 )
724 static bo_t *GetESDS( mp4_stream_t *p_stream )
728 int i_object_type_indication;
729 int i_decoder_specific_info_size;
731 int64_t i_bitrate_avg = 0;
732 int64_t i_bitrate_max = 0;
734 /* Compute avg/max bitrate */
735 for( i = 0; i < p_stream->i_entry_count; i++ )
737 i_bitrate_avg += p_stream->entry[i].i_size;
738 if( p_stream->entry[i].i_length > 0)
740 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
741 if( i_bitrate > i_bitrate_max )
742 i_bitrate_max = i_bitrate;
746 if( p_stream->i_duration > 0 )
747 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
750 if( i_bitrate_max <= 1 )
751 i_bitrate_max = 0x7fffffff;
754 if( p_stream->fmt.i_extra > 0 )
756 i_decoder_specific_info_size =
757 GetDescrLength( p_stream->fmt.i_extra );
761 i_decoder_specific_info_size = 0;
764 esds = box_full_new( "esds", 0, 0 );
767 bo_add_descr( esds, 0x03, 3 +
768 GetDescrLength( 13 + i_decoder_specific_info_size ) +
769 GetDescrLength( 1 ) );
770 bo_add_16be( esds, p_stream->i_track_id );
771 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
773 /* DecoderConfigDescr */
774 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
776 switch( p_stream->fmt.i_codec )
778 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
779 i_object_type_indication = 0x20;
781 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
782 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
783 i_object_type_indication = 0x60;
785 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
786 /* FIXME for mpeg2-aac == 0x66->0x68 */
787 i_object_type_indication = 0x40;
789 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
790 i_object_type_indication =
791 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
794 i_object_type_indication = 0x00;
797 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
799 bo_add_8 ( esds, i_object_type_indication );
800 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
801 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
802 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
803 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
805 if( p_stream->fmt.i_extra > 0 )
809 /* DecoderSpecificInfo */
810 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
812 for( i = 0; i < p_stream->fmt.i_extra; i++ )
814 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
818 /* SL_Descr mandatory */
819 bo_add_descr( esds, 0x06, 1 );
820 bo_add_8 ( esds, 0x02 ); // sl_predefined
827 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
832 wave = box_new( "wave" );
834 box = box_new( "frma" );
835 bo_add_fourcc( box, "mp4a" );
837 box_gather( wave, box );
839 box = box_new( "mp4a" );
840 bo_add_32be( box, 0 );
842 box_gather( wave, box );
844 box = GetESDS( p_stream );
846 box_gather( wave, box );
848 box = box_new( "srcq" );
849 bo_add_32be( box, 0x40 );
851 box_gather( wave, box );
854 bo_add_32be( wave, 8 ); /* new empty box */
855 bo_add_32be( wave, 0 ); /* box label */
862 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
866 damr = box_new( "damr" );
868 bo_add_fourcc( damr, "REFC" );
871 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
872 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
874 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
875 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
882 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
886 d263 = box_new( "d263" );
888 bo_add_fourcc( d263, "VLC " );
889 bo_add_16be( d263, 0xa );
897 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
900 uint8_t *p_sps = NULL;
901 uint8_t *p_pps = NULL;
905 if( p_stream->fmt.i_extra > 0 )
907 /* FIXME: take into account multiple sps/pps */
908 uint8_t *p_buffer = p_stream->fmt.p_extra;
909 int i_buffer = p_stream->fmt.i_extra;
911 while( i_buffer > 4 &&
912 p_buffer[0] == 0 && p_buffer[1] == 0 &&
913 p_buffer[2] == 0 && p_buffer[3] == 1 )
915 const int i_nal_type = p_buffer[4]&0x1f;
920 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
922 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
924 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
925 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
927 /* we found another startcode */
928 i_startcode = i_offset;
932 i_size = i_startcode ? i_startcode : i_buffer;
933 if( i_nal_type == 7 )
935 p_sps = &p_buffer[4];
936 i_sps_size = i_size - 4;
938 if( i_nal_type == 8 )
940 p_pps = &p_buffer[4];
941 i_pps_size = i_size - 4;
948 /* FIXME use better value */
949 avcC = box_new( "avcC" );
950 bo_add_8( avcC, 1 ); /* configuration version */
951 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
952 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
953 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
954 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
956 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
959 bo_add_16be( avcC, i_sps_size );
960 bo_add_mem( avcC, i_sps_size, p_sps );
963 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
966 bo_add_16be( avcC, i_pps_size );
967 bo_add_mem( avcC, i_pps_size, p_pps );
974 /* TODO: No idea about these values */
975 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
977 bo_t *smi = box_new( "SMI " );
979 if( p_stream->fmt.i_extra > 0x4e )
981 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
982 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
984 while( p + 8 < p_end )
986 int i_size = GetDWBE( p );
989 /* FIXME handle 1 as long size */
992 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
994 bo_add_mem( smi, p_end - p - 8, &p[8] );
1001 /* Create a dummy one in fallback */
1002 bo_add_fourcc( smi, "SEQH" );
1003 bo_add_32be( smi, 0x5 );
1004 bo_add_32be( smi, 0xe2c0211d );
1005 bo_add_8( smi, 0xc0 );
1011 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1013 sout_mux_sys_t *p_sys = p_mux->p_sys;
1014 bo_t *udta = box_new( "udta" );
1015 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1019 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1021 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1023 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1024 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1026 bo_t *box = box_new( "\251req" );
1028 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1029 bo_add_16be( box, 0 );
1030 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1031 (uint8_t *)"QuickTime 6.0 or greater" );
1033 box_gather( udta, box );
1040 bo_t *box = box_new( "\251enc" );
1042 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1043 bo_add_16be( box, 0 );
1044 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1045 (uint8_t*)PACKAGE_STRING " stream output" );
1047 box_gather( udta, box );
1053 #define ADD_META_BOX( type, box_string ) { \
1055 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1058 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1059 bo_add_16be( box, 0 ); \
1060 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1061 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1063 box_gather( udta, box ); \
1066 ADD_META_BOX( Title, "nam" );
1067 ADD_META_BOX( Artist, "ART" );
1068 ADD_META_BOX( Genre, "gen" );
1069 ADD_META_BOX( Copyright, "cpy" );
1070 ADD_META_BOX( Description, "des" );
1071 ADD_META_BOX( Date, "day" );
1072 ADD_META_BOX( URL, "url" );
1080 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1082 sout_mux_sys_t *p_sys = p_mux->p_sys;
1083 vlc_bool_t b_descr = VLC_FALSE;
1088 switch( p_stream->fmt.i_codec )
1090 case VLC_FOURCC('m','p','4','a'):
1091 memcpy( fcc, "mp4a", 4 );
1095 case VLC_FOURCC('s','a','m','r'):
1096 case VLC_FOURCC('s','a','w','b'):
1097 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1101 case VLC_FOURCC('m','p','g','a'):
1103 memcpy( fcc, ".mp3", 4 );
1106 memcpy( fcc, "mp4a", 4 );
1112 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1116 soun = box_new( fcc );
1117 for( i = 0; i < 6; i++ )
1119 bo_add_8( soun, 0 ); // reserved;
1121 bo_add_16be( soun, 1 ); // data-reference-index
1123 /* SoundDescription */
1125 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1127 bo_add_16be( soun, 1 ); // version 1;
1131 bo_add_16be( soun, 0 ); // version 0;
1133 bo_add_16be( soun, 0 ); // revision level (0)
1134 bo_add_32be( soun, 0 ); // vendor
1136 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1138 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1139 p_stream->fmt.audio.i_bitspersample : 16 );
1140 bo_add_16be( soun, -2 ); // compression id
1141 bo_add_16be( soun, 0 ); // packet size (0)
1142 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1143 bo_add_16be( soun, 0 ); // sampleratelo
1145 /* Extended data for SoundDescription V1 */
1147 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1149 /* samples per packet */
1150 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1151 bo_add_32be( soun, 1536 ); /* bytes per packet */
1152 bo_add_32be( soun, 2 ); /* bytes per frame */
1153 /* bytes per sample */
1154 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1157 /* Add an ES Descriptor */
1163 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1165 box = GetWaveTag( p_stream );
1167 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1169 box = GetDamrTag( p_stream );
1173 box = GetESDS( p_stream );
1176 box_gather( soun, box );
1184 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1191 switch( p_stream->fmt.i_codec )
1193 case VLC_FOURCC('m','p','4','v'):
1194 case VLC_FOURCC('m','p','g','v'):
1195 memcpy( fcc, "mp4v", 4 );
1198 case VLC_FOURCC('M','J','P','G'):
1199 memcpy( fcc, "mjpa", 4 );
1202 case VLC_FOURCC('S','V','Q','1'):
1203 memcpy( fcc, "SVQ1", 4 );
1206 case VLC_FOURCC('S','V','Q','3'):
1207 memcpy( fcc, "SVQ3", 4 );
1210 case VLC_FOURCC('H','2','6','3'):
1211 memcpy( fcc, "s263", 4 );
1214 case VLC_FOURCC('h','2','6','4'):
1215 memcpy( fcc, "avc1", 4 );
1218 case VLC_FOURCC('Y','V','1','2'):
1219 memcpy( fcc, "yv12", 4 );
1222 case VLC_FOURCC('Y','U','Y','2'):
1223 memcpy( fcc, "yuy2", 4 );
1227 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1231 vide = box_new( fcc );
1232 for( i = 0; i < 6; i++ )
1234 bo_add_8( vide, 0 ); // reserved;
1236 bo_add_16be( vide, 1 ); // data-reference-index
1238 bo_add_16be( vide, 0 ); // predefined;
1239 bo_add_16be( vide, 0 ); // reserved;
1240 for( i = 0; i < 3; i++ )
1242 bo_add_32be( vide, 0 ); // predefined;
1245 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1246 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1248 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1249 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1251 bo_add_32be( vide, 0 ); // data size, always 0
1252 bo_add_16be( vide, 1 ); // frames count per sample
1255 for( i = 0; i < 32; i++ )
1257 bo_add_8( vide, 0 );
1260 bo_add_16be( vide, 0x18 ); // depth
1261 bo_add_16be( vide, 0xffff ); // predefined
1263 /* add an ES Descriptor */
1264 switch( p_stream->fmt.i_codec )
1266 case VLC_FOURCC('m','p','4','v'):
1267 case VLC_FOURCC('m','p','g','v'):
1269 bo_t *esds = GetESDS( p_stream );
1272 box_gather( vide, esds );
1276 case VLC_FOURCC('H','2','6','3'):
1278 bo_t *d263 = GetD263Tag( p_stream );
1281 box_gather( vide, d263 );
1285 case VLC_FOURCC('S','V','Q','3'):
1287 bo_t *esds = GetSVQ3Tag( p_stream );
1290 box_gather( vide, esds );
1294 case VLC_FOURCC('h','2','6','4'):
1295 box_gather( vide, GetAvcCTag( p_stream ) );
1307 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1310 bo_t *text = box_new( "text" );
1313 for( i = 0; i < 6; i++ )
1315 bo_add_8( text, 0 ); // reserved;
1317 bo_add_16be( text, 1 ); // data-reference-index
1319 bo_add_32be( text, 0 ); // display flags
1320 bo_add_32be( text, 0 ); // justification
1321 for( i = 0; i < 3; i++ )
1323 bo_add_16be( text, 0 ); // back ground color
1326 bo_add_16be( text, 0 ); // box text
1327 bo_add_16be( text, 0 ); // box text
1328 bo_add_16be( text, 0 ); // box text
1329 bo_add_16be( text, 0 ); // box text
1331 bo_add_64be( text, 0 ); // reserved
1332 for( i = 0; i < 3; i++ )
1334 bo_add_16be( text, 0xff ); // foreground color
1337 bo_add_8 ( text, 9 );
1338 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1345 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1347 sout_mux_sys_t *p_sys = p_mux->p_sys;
1348 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1349 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1350 uint32_t i_timescale;
1351 int64_t i_dts, i_dts_q;
1353 stbl = box_new( "stbl" );
1355 /* sample description */
1356 stsd = box_full_new( "stsd", 0, 0 );
1357 bo_add_32be( stsd, 1 );
1358 if( p_stream->fmt.i_cat == AUDIO_ES )
1360 bo_t *soun = GetSounBox( p_mux, p_stream );
1361 box_gather( stsd, soun );
1363 else if( p_stream->fmt.i_cat == VIDEO_ES )
1365 bo_t *vide = GetVideBox( p_mux, p_stream );
1366 box_gather( stsd, vide );
1368 else if( p_stream->fmt.i_cat == SPU_ES )
1370 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1374 /* chunk offset table */
1375 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1377 /* 64 bits version */
1378 p_stream->b_stco64 = VLC_TRUE;
1379 stco = box_full_new( "co64", 0, 0 );
1383 /* 32 bits version */
1384 p_stream->b_stco64 = VLC_FALSE;
1385 stco = box_full_new( "stco", 0, 0 );
1387 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1389 /* sample to chunk table */
1390 stsc = box_full_new( "stsc", 0, 0 );
1391 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1393 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1394 i < p_stream->i_entry_count; i_chunk++ )
1398 if( p_stream->b_stco64 )
1399 bo_add_64be( stco, p_stream->entry[i].i_pos );
1401 bo_add_32be( stco, p_stream->entry[i].i_pos );
1403 while( i < p_stream->i_entry_count )
1405 if( i + 1 < p_stream->i_entry_count &&
1406 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1407 != p_stream->entry[i + 1].i_pos )
1416 /* Add entry to the stsc table */
1417 if( i_stsc_last_val != i - i_first )
1419 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1420 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1421 bo_add_32be( stsc, 1 ); // sample-descr-index
1422 i_stsc_last_val = i - i_first;
1427 /* Fix stco entry count */
1428 bo_fix_32be( stco, 12, i_chunk );
1429 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1432 /* Fix stsc entry count */
1433 bo_fix_32be( stsc, 12, i_stsc_entries );
1437 stts = box_full_new( "stts", 0, 0 );
1438 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1440 if( p_stream->fmt.i_cat == AUDIO_ES )
1441 i_timescale = p_stream->fmt.audio.i_rate;
1445 /* first, create quantified length */
1446 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1448 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1449 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1451 i_dts += p_stream->entry[i].i_length;
1453 p_stream->entry[i].i_length =
1454 i_delta * (int64_t)i_timescale / I64C(1000000);
1456 i_dts_q += p_stream->entry[i].i_length;
1458 /* then write encoded table */
1459 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1462 int64_t i_delta = p_stream->entry[i].i_length;
1464 while( i < p_stream->i_entry_count )
1467 if( i >= p_stream->i_entry_count ||
1468 p_stream->entry[i].i_length != i_delta )
1474 bo_add_32be( stts, i - i_first ); // sample-count
1475 bo_add_32be( stts, i_delta ); // sample-delta
1477 bo_fix_32be( stts, 12, i_index );
1480 /* FIXME add ctts ?? FIXME */
1482 stsz = box_full_new( "stsz", 0, 0 );
1483 bo_add_32be( stsz, 0 ); // sample-size
1484 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1485 for( i = 0; i < p_stream->i_entry_count; i++ )
1487 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1491 /* create stss table */
1493 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1495 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1499 stss = box_full_new( "stss", 0, 0 );
1500 bo_add_32be( stss, 0 ); /* fixed later */
1502 bo_add_32be( stss, 1 + i );
1508 bo_fix_32be( stss, 12, i_index );
1512 /* Now gather all boxes into stbl */
1513 box_gather( stbl, stsd );
1514 box_gather( stbl, stts );
1517 box_gather( stbl, stss );
1519 box_gather( stbl, stsc );
1520 box_gather( stbl, stsz );
1521 p_stream->i_stco_pos = stbl->i_buffer + 16;
1522 box_gather( stbl, stco );
1530 static int64_t get_timestamp(void);
1532 static uint32_t mvhd_matrix[9] =
1533 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1535 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1537 sout_mux_sys_t *p_sys = p_mux->p_sys;
1542 uint32_t i_movie_timescale = 90000;
1543 int64_t i_movie_duration = 0;
1545 moov = box_new( "moov" );
1547 /* Create general info */
1548 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1550 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1551 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1553 msg_Dbg( p_mux, "movie duration %ds",
1554 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1556 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1558 /* *** add /moov/mvhd *** */
1559 if( !p_sys->b_64_ext )
1561 mvhd = box_full_new( "mvhd", 0, 0 );
1562 bo_add_32be( mvhd, get_timestamp() ); // creation time
1563 bo_add_32be( mvhd, get_timestamp() ); // modification time
1564 bo_add_32be( mvhd, i_movie_timescale); // timescale
1565 bo_add_32be( mvhd, i_movie_duration ); // duration
1569 mvhd = box_full_new( "mvhd", 1, 0 );
1570 bo_add_64be( mvhd, get_timestamp() ); // creation time
1571 bo_add_64be( mvhd, get_timestamp() ); // modification time
1572 bo_add_32be( mvhd, i_movie_timescale); // timescale
1573 bo_add_64be( mvhd, i_movie_duration ); // duration
1575 bo_add_32be( mvhd, 0x10000 ); // rate
1576 bo_add_16be( mvhd, 0x100 ); // volume
1577 bo_add_16be( mvhd, 0 ); // reserved
1578 for( i = 0; i < 2; i++ )
1580 bo_add_32be( mvhd, 0 ); // reserved
1582 for( i = 0; i < 9; i++ )
1584 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1586 for( i = 0; i < 6; i++ )
1588 bo_add_32be( mvhd, 0 ); // pre-defined
1591 /* Next available track id */
1592 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1595 box_gather( moov, mvhd );
1597 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1599 mp4_stream_t *p_stream;
1600 uint32_t i_timescale;
1602 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1603 bo_t *minf, *dinf, *dref, *url, *stbl;
1605 p_stream = p_sys->pp_streams[i_trak];
1607 if( p_stream->fmt.i_cat == AUDIO_ES )
1608 i_timescale = p_stream->fmt.audio.i_rate;
1612 /* *** add /moov/trak *** */
1613 trak = box_new( "trak" );
1615 /* *** add /moov/trak/tkhd *** */
1616 if( !p_sys->b_64_ext )
1619 tkhd = box_full_new( "tkhd", 0, 0x0f );
1621 tkhd = box_full_new( "tkhd", 0, 1 );
1623 bo_add_32be( tkhd, get_timestamp() ); // creation time
1624 bo_add_32be( tkhd, get_timestamp() ); // modification time
1625 bo_add_32be( tkhd, p_stream->i_track_id );
1626 bo_add_32be( tkhd, 0 ); // reserved 0
1627 bo_add_32be( tkhd, p_stream->i_duration *
1628 (int64_t)i_movie_timescale /
1629 (mtime_t)1000000 ); // duration
1634 tkhd = box_full_new( "tkhd", 1, 0x0f );
1636 tkhd = box_full_new( "tkhd", 1, 1 );
1638 bo_add_64be( tkhd, get_timestamp() ); // creation time
1639 bo_add_64be( tkhd, get_timestamp() ); // modification time
1640 bo_add_32be( tkhd, p_stream->i_track_id );
1641 bo_add_32be( tkhd, 0 ); // reserved 0
1642 bo_add_64be( tkhd, p_stream->i_duration *
1643 (int64_t)i_movie_timescale /
1644 (mtime_t)1000000 ); // duration
1647 for( i = 0; i < 2; i++ )
1649 bo_add_32be( tkhd, 0 ); // reserved
1651 bo_add_16be( tkhd, 0 ); // layer
1652 bo_add_16be( tkhd, 0 ); // pre-defined
1654 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1655 bo_add_16be( tkhd, 0 ); // reserved
1656 for( i = 0; i < 9; i++ )
1658 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1660 if( p_stream->fmt.i_cat == AUDIO_ES )
1662 bo_add_32be( tkhd, 0 ); // width (presentation)
1663 bo_add_32be( tkhd, 0 ); // height(presentation)
1665 else if( p_stream->fmt.i_cat == VIDEO_ES )
1667 int i_width = p_stream->fmt.video.i_width << 16;
1668 if( p_stream->fmt.video.i_aspect > 0 )
1670 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1671 ((int64_t)p_stream->fmt.video.i_height << 16) /
1674 // width (presentation)
1675 bo_add_32be( tkhd, i_width );
1676 // height(presentation)
1677 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1681 int i_width = 320 << 16;
1684 for( i = 0; i < p_sys->i_nb_streams; i++ )
1686 mp4_stream_t *tk = p_sys->pp_streams[i];
1687 if( tk->fmt.i_cat == VIDEO_ES )
1689 if( p_stream->fmt.video.i_aspect )
1690 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1691 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1693 i_width = p_stream->fmt.video.i_width << 16;
1694 i_height = p_stream->fmt.video.i_height;
1698 bo_add_32be( tkhd, i_width ); // width (presentation)
1699 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1703 box_gather( trak, tkhd );
1705 /* *** add /moov/trak/edts and elst */
1706 edts = box_new( "edts" );
1707 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1708 if( p_stream->i_dts_start > p_sys->i_dts_start )
1710 bo_add_32be( elst, 2 );
1712 if( p_sys->b_64_ext )
1714 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1715 i_movie_timescale / I64C(1000000) );
1716 bo_add_64be( elst, -1 );
1720 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1721 i_movie_timescale / I64C(1000000) );
1722 bo_add_32be( elst, -1 );
1724 bo_add_16be( elst, 1 );
1725 bo_add_16be( elst, 0 );
1729 bo_add_32be( elst, 1 );
1731 if( p_sys->b_64_ext )
1733 bo_add_64be( elst, p_stream->i_duration *
1734 i_movie_timescale / I64C(1000000) );
1735 bo_add_64be( elst, 0 );
1739 bo_add_32be( elst, p_stream->i_duration *
1740 i_movie_timescale / I64C(1000000) );
1741 bo_add_32be( elst, 0 );
1743 bo_add_16be( elst, 1 );
1744 bo_add_16be( elst, 0 );
1747 box_gather( edts, elst );
1749 box_gather( trak, edts );
1751 /* *** add /moov/trak/mdia *** */
1752 mdia = box_new( "mdia" );
1755 if( !p_sys->b_64_ext )
1757 mdhd = box_full_new( "mdhd", 0, 0 );
1758 bo_add_32be( mdhd, get_timestamp() ); // creation time
1759 bo_add_32be( mdhd, get_timestamp() ); // modification time
1760 bo_add_32be( mdhd, i_timescale); // timescale
1761 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1762 (mtime_t)1000000 ); // duration
1766 mdhd = box_full_new( "mdhd", 1, 0 );
1767 bo_add_64be( mdhd, get_timestamp() ); // creation time
1768 bo_add_64be( mdhd, get_timestamp() ); // modification time
1769 bo_add_32be( mdhd, i_timescale); // timescale
1770 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1771 (mtime_t)1000000 ); // duration
1774 if( p_stream->fmt.psz_language )
1776 char *psz = p_stream->fmt.psz_language;
1777 const iso639_lang_t *pl = NULL;
1778 uint16_t lang = 0x0;
1780 if( strlen( psz ) == 2 )
1782 pl = GetLang_1( psz );
1784 else if( strlen( psz ) == 3 )
1786 pl = GetLang_2B( psz );
1787 if( !strcmp( pl->psz_iso639_1, "??" ) )
1789 pl = GetLang_2T( psz );
1792 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1794 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1795 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1796 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1798 bo_add_16be( mdhd, lang ); // language
1802 bo_add_16be( mdhd, 0 ); // language
1804 bo_add_16be( mdhd, 0 ); // predefined
1806 box_gather( mdia, mdhd );
1808 /* handler reference */
1809 hdlr = box_full_new( "hdlr", 0, 0 );
1812 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1814 bo_add_32be( hdlr, 0 );
1816 if( p_stream->fmt.i_cat == AUDIO_ES )
1817 bo_add_fourcc( hdlr, "soun" );
1818 else if( p_stream->fmt.i_cat == VIDEO_ES )
1819 bo_add_fourcc( hdlr, "vide" );
1820 else if( p_stream->fmt.i_cat == SPU_ES )
1821 bo_add_fourcc( hdlr, "text" );
1823 bo_add_32be( hdlr, 0 ); // reserved
1824 bo_add_32be( hdlr, 0 ); // reserved
1825 bo_add_32be( hdlr, 0 ); // reserved
1828 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1830 if( p_stream->fmt.i_cat == AUDIO_ES )
1831 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1832 else if( p_stream->fmt.i_cat == VIDEO_ES )
1833 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1835 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1838 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1841 box_gather( mdia, hdlr );
1844 minf = box_new( "minf" );
1847 if( p_stream->fmt.i_cat == AUDIO_ES )
1851 smhd = box_full_new( "smhd", 0, 0 );
1852 bo_add_16be( smhd, 0 ); // balance
1853 bo_add_16be( smhd, 0 ); // reserved
1856 box_gather( minf, smhd );
1858 else if( p_stream->fmt.i_cat == VIDEO_ES )
1862 vmhd = box_full_new( "vmhd", 0, 1 );
1863 bo_add_16be( vmhd, 0 ); // graphicsmode
1864 for( i = 0; i < 3; i++ )
1866 bo_add_16be( vmhd, 0 ); // opcolor
1870 box_gather( minf, vmhd );
1872 else if( p_stream->fmt.i_cat == SPU_ES )
1874 bo_t *gmhd = box_new( "gmhd" );
1875 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1877 bo_add_16be( gmin, 0 ); // graphicsmode
1878 for( i = 0; i < 3; i++ )
1880 bo_add_16be( gmin, 0 ); // opcolor
1882 bo_add_16be( gmin, 0 ); // balance
1883 bo_add_16be( gmin, 0 ); // reserved
1886 box_gather( gmhd, gmin );
1889 box_gather( minf, gmhd );
1893 dinf = box_new( "dinf" );
1894 dref = box_full_new( "dref", 0, 0 );
1895 bo_add_32be( dref, 1 );
1896 url = box_full_new( "url ", 0, 0x01 );
1898 box_gather( dref, url );
1900 box_gather( dinf, dref );
1902 /* append dinf to mdia */
1904 box_gather( minf, dinf );
1907 stbl = GetStblBox( p_mux, p_stream );
1909 /* append stbl to minf */
1910 p_stream->i_stco_pos += minf->i_buffer;
1911 box_gather( minf, stbl );
1913 /* append minf to mdia */
1915 p_stream->i_stco_pos += mdia->i_buffer;
1916 box_gather( mdia, minf );
1918 /* append mdia to trak */
1920 p_stream->i_stco_pos += trak->i_buffer;
1921 box_gather( trak, mdia );
1923 /* append trak to moov */
1925 p_stream->i_stco_pos += moov->i_buffer;
1926 box_gather( moov, trak );
1929 /* Add user data tags */
1930 box_gather( moov, GetUdtaTag( p_mux ) );
1936 /****************************************************************************/
1938 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1943 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1944 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1948 p_bo->i_buffer_size = i_size;
1949 p_bo->p_buffer = p_buffer;
1952 p_bo->b_grow = b_grow;
1956 static void bo_add_8( bo_t *p_bo, uint8_t i )
1958 if( p_bo->i_buffer < p_bo->i_buffer_size )
1960 p_bo->p_buffer[p_bo->i_buffer] = i;
1962 else if( p_bo->b_grow )
1964 p_bo->i_buffer_size += 1024;
1965 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1967 p_bo->p_buffer[p_bo->i_buffer] = i;
1973 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1975 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1976 bo_add_8( p_bo, i &0xff );
1979 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1981 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1982 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1983 bo_add_8( p_bo, ( i &0xff ) );
1985 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1987 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1988 bo_add_16be( p_bo, i &0xffff );
1991 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1993 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1994 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1995 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1996 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1999 static void bo_add_64be( bo_t *p_bo, uint64_t i )
2001 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
2002 bo_add_32be( p_bo, i &0xffffffff );
2005 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
2007 bo_add_8( p_bo, fcc[0] );
2008 bo_add_8( p_bo, fcc[1] );
2009 bo_add_8( p_bo, fcc[2] );
2010 bo_add_8( p_bo, fcc[3] );
2013 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2017 for( i = 0; i < i_size; i++ )
2019 bo_add_8( p_bo, p_mem[i] );
2023 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2029 vals[3] = (unsigned char)(i_length & 0x7f);
2031 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2033 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2035 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2037 bo_add_8( p_bo, tag );
2039 if( i_size < 0x00000080 )
2041 bo_add_8( p_bo, vals[3] );
2043 else if( i_size < 0x00004000 )
2045 bo_add_8( p_bo, vals[2] );
2046 bo_add_8( p_bo, vals[3] );
2048 else if( i_size < 0x00200000 )
2050 bo_add_8( p_bo, vals[1] );
2051 bo_add_8( p_bo, vals[2] );
2052 bo_add_8( p_bo, vals[3] );
2054 else if( i_size < 0x10000000 )
2056 bo_add_8( p_bo, vals[0] );
2057 bo_add_8( p_bo, vals[1] );
2058 bo_add_8( p_bo, vals[2] );
2059 bo_add_8( p_bo, vals[3] );
2063 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2067 for( i = 0; i < p_bo2->i_buffer; i++ )
2069 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2073 static bo_t * box_new( const char *fcc )
2077 if( ( box = malloc( sizeof( bo_t ) ) ) )
2079 bo_init( box, 0, NULL, VLC_TRUE );
2081 bo_add_32be ( box, 0 );
2082 bo_add_fourcc( box, fcc );
2088 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2092 if( ( box = malloc( sizeof( bo_t ) ) ) )
2094 bo_init( box, 0, NULL, VLC_TRUE );
2096 bo_add_32be ( box, 0 );
2097 bo_add_fourcc( box, fcc );
2098 bo_add_8 ( box, v );
2099 bo_add_24be ( box, f );
2105 static void box_fix( bo_t *box )
2109 memcpy( &box_tmp, box, sizeof( bo_t ) );
2111 box_tmp.i_buffer = 0;
2112 bo_add_32be( &box_tmp, box->i_buffer );
2115 static void box_free( bo_t *box )
2119 free( box->p_buffer );
2125 static void box_gather ( bo_t *box, bo_t *box2 )
2127 bo_add_bo( box, box2 );
2131 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2135 p_buf = block_New( p_sout, box->i_buffer );
2136 if( box->i_buffer > 0 )
2138 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2144 static void box_send( sout_mux_t *p_mux, bo_t *box )
2148 p_buf = bo_to_sout( p_mux->p_sout, box );
2151 sout_AccessOutWrite( p_mux->p_access, p_buf );
2154 static int64_t get_timestamp(void)
2156 int64_t i_timestamp = 0;
2159 i_timestamp = time(NULL);
2160 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2161 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60