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 *****************************************************************************/
33 #include <vlc_block.h>
34 #include <vlc_codecs.h>
43 /*****************************************************************************
45 *****************************************************************************/
46 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
47 #define FASTSTART_LONGTEXT N_( \
48 "Create \"Fast Start\" files. " \
49 "\"Fast Start\" files are optimized for downloads and allow the user " \
50 "to start previewing the file while it is downloading.")
52 static int Open ( vlc_object_t * );
53 static void Close ( vlc_object_t * );
55 #define SOUT_CFG_PREFIX "sout-mp4-"
58 set_description( _("MP4/MOV muxer") );
59 set_category( CAT_SOUT );
60 set_subcategory( SUBCAT_SOUT_MUX );
61 set_shortname( "MP4" );
63 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
64 FASTSTART_TEXT, FASTSTART_LONGTEXT,
66 set_capability( "sout mux", 5 );
67 add_shortcut( "mp4" );
68 add_shortcut( "mov" );
69 add_shortcut( "3gp" );
70 set_callbacks( Open, Close );
73 /*****************************************************************************
75 *****************************************************************************/
76 static const char *ppsz_sout_options[] = {
80 static int Control( sout_mux_t *, int, va_list );
81 static int AddStream( sout_mux_t *, sout_input_t * );
82 static int DelStream( sout_mux_t *, sout_input_t * );
83 static int Mux ( sout_mux_t * );
85 /*****************************************************************************
87 *****************************************************************************/
105 unsigned int i_entry_count;
106 unsigned int i_entry_max;
108 int64_t i_length_neg;
114 /* for later stco fix-up (fast start files) */
123 struct sout_mux_sys_t
128 vlc_bool_t b_fast_start;
136 mp4_stream_t **pp_streams;
149 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
150 static void bo_add_8 ( bo_t *, uint8_t );
151 static void bo_add_16be ( bo_t *, uint16_t );
152 static void bo_add_24be ( bo_t *, uint32_t );
153 static void bo_add_32be ( bo_t *, uint32_t );
154 static void bo_add_64be ( bo_t *, uint64_t );
155 static void bo_add_fourcc(bo_t *, const char * );
156 static void bo_add_bo ( bo_t *, bo_t * );
157 static void bo_add_mem ( bo_t *, int , uint8_t * );
158 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
160 static void bo_fix_32be ( bo_t *, int , uint32_t );
162 static bo_t *box_new ( const char *fcc );
163 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
164 static void box_fix ( bo_t *box );
165 static void box_free ( bo_t *box );
166 static void box_gather ( bo_t *box, bo_t *box2 );
168 static void box_send( sout_mux_t *p_mux, bo_t *box );
170 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
172 static bo_t *GetMoovBox( sout_mux_t *p_mux );
174 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
175 static block_t *ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
177 /*****************************************************************************
179 *****************************************************************************/
180 static int Open( vlc_object_t *p_this )
182 sout_mux_t *p_mux = (sout_mux_t*)p_this;
183 sout_mux_sys_t *p_sys;
186 msg_Dbg( p_mux, "Mp4 muxer opend" );
187 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
189 p_mux->pf_control = Control;
190 p_mux->pf_addstream = AddStream;
191 p_mux->pf_delstream = DelStream;
193 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
195 p_sys->i_nb_streams = 0;
196 p_sys->pp_streams = NULL;
197 p_sys->i_mdat_pos = 0;
198 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
199 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
200 p_sys->i_dts_start = 0;
205 /* Now add ftyp header */
206 box = box_new( "ftyp" );
207 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
208 else bo_add_fourcc( box, "isom" );
209 bo_add_32be ( box, 0 );
210 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
211 else bo_add_fourcc( box, "mp41" );
214 p_sys->i_pos += box->i_buffer;
215 p_sys->i_mdat_pos = p_sys->i_pos;
217 box_send( p_mux, box );
221 * Quicktime actually doesn't like the 64 bits extensions !!! */
222 p_sys->b_64_ext = VLC_FALSE;
224 /* Now add mdat header */
225 box = box_new( "mdat" );
226 bo_add_64be ( box, 0 ); // enough to store an extended size
228 p_sys->i_pos += box->i_buffer;
230 box_send( p_mux, box );
235 /*****************************************************************************
237 *****************************************************************************/
238 static void Close( vlc_object_t * p_this )
240 sout_mux_t *p_mux = (sout_mux_t*)p_this;
241 sout_mux_sys_t *p_sys = p_mux->p_sys;
249 msg_Dbg( p_mux, "Close" );
251 /* Update mdat size */
252 bo_init( &bo, 0, NULL, VLC_TRUE );
253 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
256 bo_add_32be ( &bo, 1 );
257 bo_add_fourcc( &bo, "mdat" );
258 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
262 bo_add_32be ( &bo, 8 );
263 bo_add_fourcc( &bo, "wide" );
264 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
265 bo_add_fourcc( &bo, "mdat" );
267 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
270 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
271 sout_AccessOutWrite( p_mux->p_access, p_hdr );
273 /* Create MOOV header */
274 i_moov_pos = p_sys->i_pos;
275 moov = GetMoovBox( p_mux );
277 /* Check we need to create "fast start" files */
278 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
279 p_sys->b_fast_start = val.b_bool;
280 while( p_sys->b_fast_start )
282 /* Move data to the end of the file so we can fit the moov header
285 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
286 int i_moov_size = moov->i_buffer;
290 i_chunk = __MIN( 32768, i_size );
291 p_buf = block_New( p_mux, i_chunk );
292 sout_AccessOutSeek( p_mux->p_access,
293 p_sys->i_mdat_pos + i_size - i_chunk );
294 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
296 msg_Warn( p_this, "read() not supported by access output, "
297 "won't create a fast start file" );
298 p_sys->b_fast_start = VLC_FALSE;
299 block_Release( p_buf );
302 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
303 i_moov_size - i_chunk );
304 sout_AccessOutWrite( p_mux->p_access, p_buf );
308 if( !p_sys->b_fast_start ) break;
310 /* Fix-up samples to chunks table in MOOV header */
311 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
313 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
317 moov->i_buffer = p_stream->i_stco_pos;
318 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
320 if( p_stream->b_stco64 )
321 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
323 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
325 while( i < p_stream->i_entry_count )
327 if( i + 1 < p_stream->i_entry_count &&
328 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
329 != p_stream->entry[i + 1].i_pos )
340 moov->i_buffer = i_moov_size;
341 i_moov_pos = p_sys->i_mdat_pos;
342 p_sys->b_fast_start = VLC_FALSE;
345 /* Write MOOV header */
346 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
347 box_send( p_mux, moov );
350 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
352 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
354 es_format_Clean( &p_stream->fmt );
355 free( p_stream->entry );
358 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
362 /*****************************************************************************
364 *****************************************************************************/
365 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
371 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
372 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
373 *pb_bool = VLC_FALSE;
376 case MUX_GET_ADD_STREAM_WAIT:
377 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
381 case MUX_GET_MIME: /* Not needed, as not streamable */
387 /*****************************************************************************
389 *****************************************************************************/
390 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
392 sout_mux_sys_t *p_sys = p_mux->p_sys;
393 mp4_stream_t *p_stream;
395 switch( p_input->p_fmt->i_codec )
397 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
398 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
399 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
400 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
401 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
402 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
403 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
404 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
405 case VLC_FOURCC( 'H', '2', '6', '3' ):
406 case VLC_FOURCC( 'h', '2', '6', '4' ):
407 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
408 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
409 case VLC_FOURCC( 'Y', 'V', '1', '2' ):
410 case VLC_FOURCC( 'Y', 'U', 'Y', '2' ):
412 case VLC_FOURCC( 's', 'u', 'b', 't' ):
413 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
416 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
417 (char*)&p_input->p_fmt->i_codec );
421 p_stream = malloc( sizeof( mp4_stream_t ) );
422 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
423 p_stream->i_track_id = p_sys->i_nb_streams + 1;
424 p_stream->i_length_neg = 0;
425 p_stream->i_entry_count = 0;
426 p_stream->i_entry_max = 1000;
428 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
429 p_stream->i_dts_start = 0;
430 p_stream->i_duration = 0;
432 p_input->p_sys = p_stream;
434 msg_Dbg( p_mux, "adding input" );
436 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
440 /*****************************************************************************
442 *****************************************************************************/
443 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
445 msg_Dbg( p_mux, "removing input" );
449 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
455 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
457 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
460 if( p_fifo->i_depth <= 1 )
462 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
464 return -1; // wait that all fifo have at least 2 packets
466 /* For SPU, we wait only 1 packet */
470 p_buf = block_FifoShow( p_fifo );
471 if( i_stream < 0 || p_buf->i_dts < i_dts )
473 i_dts = p_buf->i_dts;
479 *pi_stream = i_stream;
488 /*****************************************************************************
490 *****************************************************************************/
491 static int Mux( sout_mux_t *p_mux )
493 sout_mux_sys_t *p_sys = p_mux->p_sys;
497 sout_input_t *p_input;
499 mp4_stream_t *p_stream;
503 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
505 return( VLC_SUCCESS );
508 p_input = p_mux->pp_inputs[i_stream];
509 p_stream = (mp4_stream_t*)p_input->p_sys;
512 p_data = block_FifoGet( p_input->p_fifo );
513 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
515 p_data = ConvertAVC1( p_mux, p_stream, p_data );
517 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
519 p_data = ConvertSUBT( p_mux, p_stream, p_data );
521 if( p_data == NULL ) goto again;
523 if( p_stream->fmt.i_cat != SPU_ES )
525 /* Fix length of the sample */
526 if( p_input->p_fifo->i_depth > 0 )
528 block_t *p_next = block_FifoShow( p_input->p_fifo );
529 int64_t i_diff = p_next->i_dts - p_data->i_dts;
531 if( i_diff < I64C(1000000 ) ) /* protection */
533 p_data->i_length = i_diff;
536 if( p_data->i_length <= 0 )
538 msg_Warn( p_mux, "i_length <= 0" );
539 p_stream->i_length_neg += p_data->i_length - 1;
540 p_data->i_length = 1;
542 else if( p_stream->i_length_neg < 0 )
544 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
546 p_data->i_length -= i_recover;
547 p_stream->i_length_neg += i_recover;
551 /* Save starting time */
552 if( p_stream->i_entry_count == 0 )
554 p_stream->i_dts_start = p_data->i_dts;
556 /* Update global dts_start */
557 if( p_sys->i_dts_start <= 0 ||
558 p_stream->i_dts_start < p_sys->i_dts_start )
560 p_sys->i_dts_start = p_stream->i_dts_start;
564 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
566 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
570 /* FIXME handle this broken case */
575 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
577 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
582 /* add index entry */
583 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
584 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
585 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
586 __MAX( p_data->i_pts - p_data->i_dts, 0 );
587 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
588 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
590 p_stream->i_entry_count++;
591 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
592 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
594 p_stream->i_entry_max += 1000;
596 realloc( p_stream->entry,
597 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
601 p_stream->i_duration += p_data->i_length;
602 p_sys->i_pos += p_data->i_buffer;
605 p_stream->i_last_dts = p_data->i_dts;
608 sout_AccessOutWrite( p_mux->p_access, p_data );
610 if( p_stream->fmt.i_cat == SPU_ES )
612 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
617 msg_Dbg( p_mux, "writing an empty sub" ) ;
619 /* Append a idx entry */
620 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
621 p_stream->entry[p_stream->i_entry_count].i_size = 3;
622 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
623 p_stream->entry[p_stream->i_entry_count].i_length = 0;
624 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
626 /* XXX: No need to grow the entry here */
627 p_stream->i_entry_count++;
630 p_stream->i_last_dts += i_length;
633 p_data = block_New( p_mux, 3 );
634 p_data->p_buffer[0] = 0;
635 p_data->p_buffer[1] = 1;
636 p_data->p_buffer[2] = ' ';
638 p_sys->i_pos += p_data->i_buffer;
640 sout_AccessOutWrite( p_mux->p_access, p_data );
644 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
648 return( VLC_SUCCESS );
651 /*****************************************************************************
653 *****************************************************************************/
654 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
656 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
658 /* No trailling '\0' */
659 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
662 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
663 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
668 static block_t *ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
670 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
671 uint8_t *dat = &p_block->p_buffer[4];
672 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
675 /* Replace the 4 bytes start code with 4 bytes size,
676 * FIXME are all startcodes 4 bytes ? (I don't think :( */
681 while( dat < end - 4 )
683 if( dat[0] == 0x00 && dat[1] == 0x00 &&
684 dat[2] == 0x00 && dat[3] == 0x01 )
696 i_size = dat - &last[4];
697 last[0] = ( i_size >> 24 )&0xff;
698 last[1] = ( i_size >> 16 )&0xff;
699 last[2] = ( i_size >> 8 )&0xff;
700 last[3] = ( i_size )&0xff;
702 /* Skip blocks with SPS/PPS */
703 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
705 ; // FIXME Find a way to skip dat without frelling everything
713 static int GetDescrLength( int i_size )
715 if( i_size < 0x00000080 )
717 else if( i_size < 0x00004000 )
719 else if( i_size < 0x00200000 )
725 static bo_t *GetESDS( mp4_stream_t *p_stream )
729 int i_object_type_indication;
730 int i_decoder_specific_info_size;
732 int64_t i_bitrate_avg = 0;
733 int64_t i_bitrate_max = 0;
735 /* Compute avg/max bitrate */
736 for( i = 0; i < p_stream->i_entry_count; i++ )
738 i_bitrate_avg += p_stream->entry[i].i_size;
739 if( p_stream->entry[i].i_length > 0)
741 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
742 if( i_bitrate > i_bitrate_max )
743 i_bitrate_max = i_bitrate;
747 if( p_stream->i_duration > 0 )
748 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
751 if( i_bitrate_max <= 1 )
752 i_bitrate_max = 0x7fffffff;
755 if( p_stream->fmt.i_extra > 0 )
757 i_decoder_specific_info_size =
758 GetDescrLength( p_stream->fmt.i_extra );
762 i_decoder_specific_info_size = 0;
765 esds = box_full_new( "esds", 0, 0 );
768 bo_add_descr( esds, 0x03, 3 +
769 GetDescrLength( 13 + i_decoder_specific_info_size ) +
770 GetDescrLength( 1 ) );
771 bo_add_16be( esds, p_stream->i_track_id );
772 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
774 /* DecoderConfigDescr */
775 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
777 switch( p_stream->fmt.i_codec )
779 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
780 i_object_type_indication = 0x20;
782 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
783 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
784 i_object_type_indication = 0x60;
786 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
787 /* FIXME for mpeg2-aac == 0x66->0x68 */
788 i_object_type_indication = 0x40;
790 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
791 i_object_type_indication =
792 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
795 i_object_type_indication = 0x00;
798 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
800 bo_add_8 ( esds, i_object_type_indication );
801 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
802 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
803 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
804 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
806 if( p_stream->fmt.i_extra > 0 )
810 /* DecoderSpecificInfo */
811 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
813 for( i = 0; i < p_stream->fmt.i_extra; i++ )
815 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
819 /* SL_Descr mandatory */
820 bo_add_descr( esds, 0x06, 1 );
821 bo_add_8 ( esds, 0x02 ); // sl_predefined
828 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
833 wave = box_new( "wave" );
835 box = box_new( "frma" );
836 bo_add_fourcc( box, "mp4a" );
838 box_gather( wave, box );
840 box = box_new( "mp4a" );
841 bo_add_32be( box, 0 );
843 box_gather( wave, box );
845 box = GetESDS( p_stream );
847 box_gather( wave, box );
849 box = box_new( "srcq" );
850 bo_add_32be( box, 0x40 );
852 box_gather( wave, box );
855 bo_add_32be( wave, 8 ); /* new empty box */
856 bo_add_32be( wave, 0 ); /* box label */
863 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
867 damr = box_new( "damr" );
869 bo_add_fourcc( damr, "REFC" );
872 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
873 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
875 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
876 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
883 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
887 d263 = box_new( "d263" );
889 bo_add_fourcc( d263, "VLC " );
890 bo_add_16be( d263, 0xa );
898 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
901 uint8_t *p_sps = NULL;
902 uint8_t *p_pps = NULL;
906 if( p_stream->fmt.i_extra > 0 )
908 /* FIXME: take into account multiple sps/pps */
909 uint8_t *p_buffer = p_stream->fmt.p_extra;
910 int i_buffer = p_stream->fmt.i_extra;
912 while( i_buffer > 4 &&
913 p_buffer[0] == 0 && p_buffer[1] == 0 &&
914 p_buffer[2] == 0 && p_buffer[3] == 1 )
916 const int i_nal_type = p_buffer[4]&0x1f;
921 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
923 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
925 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
926 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
928 /* we found another startcode */
929 i_startcode = i_offset;
933 i_size = i_startcode ? i_startcode : i_buffer;
934 if( i_nal_type == 7 )
936 p_sps = &p_buffer[4];
937 i_sps_size = i_size - 4;
939 if( i_nal_type == 8 )
941 p_pps = &p_buffer[4];
942 i_pps_size = i_size - 4;
949 /* FIXME use better value */
950 avcC = box_new( "avcC" );
951 bo_add_8( avcC, 1 ); /* configuration version */
952 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
953 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
954 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
955 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
957 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
960 bo_add_16be( avcC, i_sps_size );
961 bo_add_mem( avcC, i_sps_size, p_sps );
964 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
967 bo_add_16be( avcC, i_pps_size );
968 bo_add_mem( avcC, i_pps_size, p_pps );
975 /* TODO: No idea about these values */
976 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
978 bo_t *smi = box_new( "SMI " );
980 if( p_stream->fmt.i_extra > 0x4e )
982 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
983 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
985 while( p + 8 < p_end )
987 int i_size = GetDWBE( p );
990 /* FIXME handle 1 as long size */
993 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
995 bo_add_mem( smi, p_end - p - 8, &p[8] );
1002 /* Create a dummy one in fallback */
1003 bo_add_fourcc( smi, "SEQH" );
1004 bo_add_32be( smi, 0x5 );
1005 bo_add_32be( smi, 0xe2c0211d );
1006 bo_add_8( smi, 0xc0 );
1012 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1014 sout_mux_sys_t *p_sys = p_mux->p_sys;
1015 bo_t *udta = box_new( "udta" );
1016 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1020 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1022 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1024 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1025 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1027 bo_t *box = box_new( "\251req" );
1029 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1030 bo_add_16be( box, 0 );
1031 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1032 (uint8_t *)"QuickTime 6.0 or greater" );
1034 box_gather( udta, box );
1041 bo_t *box = box_new( "\251enc" );
1043 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1044 bo_add_16be( box, 0 );
1045 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1046 (uint8_t*)PACKAGE_STRING " stream output" );
1048 box_gather( udta, box );
1054 #define ADD_META_BOX( type, box_string ) { \
1056 if( p_meta->psz_##type ) box = box_new( "\251" box_string ); \
1059 bo_add_16be( box, strlen( p_meta->psz_##type ) ); \
1060 bo_add_16be( box, 0 ); \
1061 bo_add_mem( box, strlen( p_meta->psz_##type ), \
1062 (uint8_t*)(p_meta->psz_##type ) ); \
1064 box_gather( udta, box ); \
1067 ADD_META_BOX( title, "nam" );
1068 ADD_META_BOX( artist, "ART" );
1069 ADD_META_BOX( genre, "gen" );
1070 ADD_META_BOX( copyright, "cpy" );
1071 ADD_META_BOX( description, "des" );
1072 ADD_META_BOX( date, "day" );
1073 ADD_META_BOX( url, "url" );
1081 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1083 sout_mux_sys_t *p_sys = p_mux->p_sys;
1084 vlc_bool_t b_descr = VLC_FALSE;
1089 switch( p_stream->fmt.i_codec )
1091 case VLC_FOURCC('m','p','4','a'):
1092 memcpy( fcc, "mp4a", 4 );
1096 case VLC_FOURCC('s','a','m','r'):
1097 case VLC_FOURCC('s','a','w','b'):
1098 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1102 case VLC_FOURCC('m','p','g','a'):
1104 memcpy( fcc, ".mp3", 4 );
1107 memcpy( fcc, "mp4a", 4 );
1113 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1117 soun = box_new( fcc );
1118 for( i = 0; i < 6; i++ )
1120 bo_add_8( soun, 0 ); // reserved;
1122 bo_add_16be( soun, 1 ); // data-reference-index
1124 /* SoundDescription */
1126 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1128 bo_add_16be( soun, 1 ); // version 1;
1132 bo_add_16be( soun, 0 ); // version 0;
1134 bo_add_16be( soun, 0 ); // revision level (0)
1135 bo_add_32be( soun, 0 ); // vendor
1137 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1139 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1140 p_stream->fmt.audio.i_bitspersample : 16 );
1141 bo_add_16be( soun, -2 ); // compression id
1142 bo_add_16be( soun, 0 ); // packet size (0)
1143 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1144 bo_add_16be( soun, 0 ); // sampleratelo
1146 /* Extended data for SoundDescription V1 */
1148 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1150 /* samples per packet */
1151 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1152 bo_add_32be( soun, 1536 ); /* bytes per packet */
1153 bo_add_32be( soun, 2 ); /* bytes per frame */
1154 /* bytes per sample */
1155 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1158 /* Add an ES Descriptor */
1164 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1166 box = GetWaveTag( p_stream );
1168 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1170 box = GetDamrTag( p_stream );
1174 box = GetESDS( p_stream );
1177 box_gather( soun, box );
1185 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1192 switch( p_stream->fmt.i_codec )
1194 case VLC_FOURCC('m','p','4','v'):
1195 case VLC_FOURCC('m','p','g','v'):
1196 memcpy( fcc, "mp4v", 4 );
1199 case VLC_FOURCC('M','J','P','G'):
1200 memcpy( fcc, "mjpa", 4 );
1203 case VLC_FOURCC('S','V','Q','1'):
1204 memcpy( fcc, "SVQ1", 4 );
1207 case VLC_FOURCC('S','V','Q','3'):
1208 memcpy( fcc, "SVQ3", 4 );
1211 case VLC_FOURCC('H','2','6','3'):
1212 memcpy( fcc, "s263", 4 );
1215 case VLC_FOURCC('h','2','6','4'):
1216 memcpy( fcc, "avc1", 4 );
1219 case VLC_FOURCC('Y','V','1','2'):
1220 memcpy( fcc, "yv12", 4 );
1223 case VLC_FOURCC('Y','U','Y','2'):
1224 memcpy( fcc, "yuy2", 4 );
1228 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1232 vide = box_new( fcc );
1233 for( i = 0; i < 6; i++ )
1235 bo_add_8( vide, 0 ); // reserved;
1237 bo_add_16be( vide, 1 ); // data-reference-index
1239 bo_add_16be( vide, 0 ); // predefined;
1240 bo_add_16be( vide, 0 ); // reserved;
1241 for( i = 0; i < 3; i++ )
1243 bo_add_32be( vide, 0 ); // predefined;
1246 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1247 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1249 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1250 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1252 bo_add_32be( vide, 0 ); // data size, always 0
1253 bo_add_16be( vide, 1 ); // frames count per sample
1256 for( i = 0; i < 32; i++ )
1258 bo_add_8( vide, 0 );
1261 bo_add_16be( vide, 0x18 ); // depth
1262 bo_add_16be( vide, 0xffff ); // predefined
1264 /* add an ES Descriptor */
1265 switch( p_stream->fmt.i_codec )
1267 case VLC_FOURCC('m','p','4','v'):
1268 case VLC_FOURCC('m','p','g','v'):
1270 bo_t *esds = GetESDS( p_stream );
1273 box_gather( vide, esds );
1277 case VLC_FOURCC('H','2','6','3'):
1279 bo_t *d263 = GetD263Tag( p_stream );
1282 box_gather( vide, d263 );
1286 case VLC_FOURCC('S','V','Q','3'):
1288 bo_t *esds = GetSVQ3Tag( p_stream );
1291 box_gather( vide, esds );
1295 case VLC_FOURCC('h','2','6','4'):
1296 box_gather( vide, GetAvcCTag( p_stream ) );
1308 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1311 bo_t *text = box_new( "text" );
1314 for( i = 0; i < 6; i++ )
1316 bo_add_8( text, 0 ); // reserved;
1318 bo_add_16be( text, 1 ); // data-reference-index
1320 bo_add_32be( text, 0 ); // display flags
1321 bo_add_32be( text, 0 ); // justification
1322 for( i = 0; i < 3; i++ )
1324 bo_add_16be( text, 0 ); // back ground color
1327 bo_add_16be( text, 0 ); // box text
1328 bo_add_16be( text, 0 ); // box text
1329 bo_add_16be( text, 0 ); // box text
1330 bo_add_16be( text, 0 ); // box text
1332 bo_add_64be( text, 0 ); // reserved
1333 for( i = 0; i < 3; i++ )
1335 bo_add_16be( text, 0xff ); // foreground color
1338 bo_add_8 ( text, 9 );
1339 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1346 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1348 sout_mux_sys_t *p_sys = p_mux->p_sys;
1349 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1350 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1351 uint32_t i_timescale;
1352 int64_t i_dts, i_dts_q;
1354 stbl = box_new( "stbl" );
1356 /* sample description */
1357 stsd = box_full_new( "stsd", 0, 0 );
1358 bo_add_32be( stsd, 1 );
1359 if( p_stream->fmt.i_cat == AUDIO_ES )
1361 bo_t *soun = GetSounBox( p_mux, p_stream );
1362 box_gather( stsd, soun );
1364 else if( p_stream->fmt.i_cat == VIDEO_ES )
1366 bo_t *vide = GetVideBox( p_mux, p_stream );
1367 box_gather( stsd, vide );
1369 else if( p_stream->fmt.i_cat == SPU_ES )
1371 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1375 /* chunk offset table */
1376 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1378 /* 64 bits version */
1379 p_stream->b_stco64 = VLC_TRUE;
1380 stco = box_full_new( "co64", 0, 0 );
1384 /* 32 bits version */
1385 p_stream->b_stco64 = VLC_FALSE;
1386 stco = box_full_new( "stco", 0, 0 );
1388 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1390 /* sample to chunk table */
1391 stsc = box_full_new( "stsc", 0, 0 );
1392 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1394 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1395 i < p_stream->i_entry_count; i_chunk++ )
1399 if( p_stream->b_stco64 )
1400 bo_add_64be( stco, p_stream->entry[i].i_pos );
1402 bo_add_32be( stco, p_stream->entry[i].i_pos );
1404 while( i < p_stream->i_entry_count )
1406 if( i + 1 < p_stream->i_entry_count &&
1407 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1408 != p_stream->entry[i + 1].i_pos )
1417 /* Add entry to the stsc table */
1418 if( i_stsc_last_val != i - i_first )
1420 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1421 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1422 bo_add_32be( stsc, 1 ); // sample-descr-index
1423 i_stsc_last_val = i - i_first;
1428 /* Fix stco entry count */
1429 bo_fix_32be( stco, 12, i_chunk );
1430 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1433 /* Fix stsc entry count */
1434 bo_fix_32be( stsc, 12, i_stsc_entries );
1438 stts = box_full_new( "stts", 0, 0 );
1439 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1441 if( p_stream->fmt.i_cat == AUDIO_ES )
1442 i_timescale = p_stream->fmt.audio.i_rate;
1446 /* first, create quantified length */
1447 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1449 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1450 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1452 i_dts += p_stream->entry[i].i_length;
1454 p_stream->entry[i].i_length =
1455 i_delta * (int64_t)i_timescale / I64C(1000000);
1457 i_dts_q += p_stream->entry[i].i_length;
1459 /* then write encoded table */
1460 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1463 int64_t i_delta = p_stream->entry[i].i_length;
1465 while( i < p_stream->i_entry_count )
1468 if( i >= p_stream->i_entry_count ||
1469 p_stream->entry[i].i_length != i_delta )
1475 bo_add_32be( stts, i - i_first ); // sample-count
1476 bo_add_32be( stts, i_delta ); // sample-delta
1478 bo_fix_32be( stts, 12, i_index );
1481 /* FIXME add ctts ?? FIXME */
1483 stsz = box_full_new( "stsz", 0, 0 );
1484 bo_add_32be( stsz, 0 ); // sample-size
1485 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1486 for( i = 0; i < p_stream->i_entry_count; i++ )
1488 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1492 /* create stss table */
1494 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1496 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1500 stss = box_full_new( "stss", 0, 0 );
1501 bo_add_32be( stss, 0 ); /* fixed later */
1503 bo_add_32be( stss, 1 + i );
1509 bo_fix_32be( stss, 12, i_index );
1513 /* Now gather all boxes into stbl */
1514 box_gather( stbl, stsd );
1515 box_gather( stbl, stts );
1518 box_gather( stbl, stss );
1520 box_gather( stbl, stsc );
1521 box_gather( stbl, stsz );
1522 p_stream->i_stco_pos = stbl->i_buffer + 16;
1523 box_gather( stbl, stco );
1531 static int64_t get_timestamp(void);
1533 static uint32_t mvhd_matrix[9] =
1534 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1536 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1538 sout_mux_sys_t *p_sys = p_mux->p_sys;
1543 uint32_t i_movie_timescale = 90000;
1544 int64_t i_movie_duration = 0;
1546 moov = box_new( "moov" );
1548 /* Create general info */
1549 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1551 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1552 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1554 msg_Dbg( p_mux, "movie duration %ds",
1555 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1557 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1559 /* *** add /moov/mvhd *** */
1560 if( !p_sys->b_64_ext )
1562 mvhd = box_full_new( "mvhd", 0, 0 );
1563 bo_add_32be( mvhd, get_timestamp() ); // creation time
1564 bo_add_32be( mvhd, get_timestamp() ); // modification time
1565 bo_add_32be( mvhd, i_movie_timescale); // timescale
1566 bo_add_32be( mvhd, i_movie_duration ); // duration
1570 mvhd = box_full_new( "mvhd", 1, 0 );
1571 bo_add_64be( mvhd, get_timestamp() ); // creation time
1572 bo_add_64be( mvhd, get_timestamp() ); // modification time
1573 bo_add_32be( mvhd, i_movie_timescale); // timescale
1574 bo_add_64be( mvhd, i_movie_duration ); // duration
1576 bo_add_32be( mvhd, 0x10000 ); // rate
1577 bo_add_16be( mvhd, 0x100 ); // volume
1578 bo_add_16be( mvhd, 0 ); // reserved
1579 for( i = 0; i < 2; i++ )
1581 bo_add_32be( mvhd, 0 ); // reserved
1583 for( i = 0; i < 9; i++ )
1585 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1587 for( i = 0; i < 6; i++ )
1589 bo_add_32be( mvhd, 0 ); // pre-defined
1592 /* Next available track id */
1593 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1596 box_gather( moov, mvhd );
1598 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1600 mp4_stream_t *p_stream;
1601 uint32_t i_timescale;
1603 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1604 bo_t *minf, *dinf, *dref, *url, *stbl;
1606 p_stream = p_sys->pp_streams[i_trak];
1608 if( p_stream->fmt.i_cat == AUDIO_ES )
1609 i_timescale = p_stream->fmt.audio.i_rate;
1613 /* *** add /moov/trak *** */
1614 trak = box_new( "trak" );
1616 /* *** add /moov/trak/tkhd *** */
1617 if( !p_sys->b_64_ext )
1620 tkhd = box_full_new( "tkhd", 0, 0x0f );
1622 tkhd = box_full_new( "tkhd", 0, 1 );
1624 bo_add_32be( tkhd, get_timestamp() ); // creation time
1625 bo_add_32be( tkhd, get_timestamp() ); // modification time
1626 bo_add_32be( tkhd, p_stream->i_track_id );
1627 bo_add_32be( tkhd, 0 ); // reserved 0
1628 bo_add_32be( tkhd, p_stream->i_duration *
1629 (int64_t)i_movie_timescale /
1630 (mtime_t)1000000 ); // duration
1635 tkhd = box_full_new( "tkhd", 1, 0x0f );
1637 tkhd = box_full_new( "tkhd", 1, 1 );
1639 bo_add_64be( tkhd, get_timestamp() ); // creation time
1640 bo_add_64be( tkhd, get_timestamp() ); // modification time
1641 bo_add_32be( tkhd, p_stream->i_track_id );
1642 bo_add_32be( tkhd, 0 ); // reserved 0
1643 bo_add_64be( tkhd, p_stream->i_duration *
1644 (int64_t)i_movie_timescale /
1645 (mtime_t)1000000 ); // duration
1648 for( i = 0; i < 2; i++ )
1650 bo_add_32be( tkhd, 0 ); // reserved
1652 bo_add_16be( tkhd, 0 ); // layer
1653 bo_add_16be( tkhd, 0 ); // pre-defined
1655 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1656 bo_add_16be( tkhd, 0 ); // reserved
1657 for( i = 0; i < 9; i++ )
1659 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1661 if( p_stream->fmt.i_cat == AUDIO_ES )
1663 bo_add_32be( tkhd, 0 ); // width (presentation)
1664 bo_add_32be( tkhd, 0 ); // height(presentation)
1666 else if( p_stream->fmt.i_cat == VIDEO_ES )
1668 int i_width = p_stream->fmt.video.i_width << 16;
1669 if( p_stream->fmt.video.i_aspect > 0 )
1671 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1672 ((int64_t)p_stream->fmt.video.i_height << 16) /
1675 // width (presentation)
1676 bo_add_32be( tkhd, i_width );
1677 // height(presentation)
1678 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1682 int i_width = 320 << 16;
1685 for( i = 0; i < p_sys->i_nb_streams; i++ )
1687 mp4_stream_t *tk = p_sys->pp_streams[i];
1688 if( tk->fmt.i_cat == VIDEO_ES )
1690 if( p_stream->fmt.video.i_aspect )
1691 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1692 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1694 i_width = p_stream->fmt.video.i_width << 16;
1695 i_height = p_stream->fmt.video.i_height;
1699 bo_add_32be( tkhd, i_width ); // width (presentation)
1700 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1704 box_gather( trak, tkhd );
1706 /* *** add /moov/trak/edts and elst */
1707 edts = box_new( "edts" );
1708 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1709 if( p_stream->i_dts_start > p_sys->i_dts_start )
1711 bo_add_32be( elst, 2 );
1713 if( p_sys->b_64_ext )
1715 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1716 i_movie_timescale / I64C(1000000) );
1717 bo_add_64be( elst, -1 );
1721 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1722 i_movie_timescale / I64C(1000000) );
1723 bo_add_32be( elst, -1 );
1725 bo_add_16be( elst, 1 );
1726 bo_add_16be( elst, 0 );
1730 bo_add_32be( elst, 1 );
1732 if( p_sys->b_64_ext )
1734 bo_add_64be( elst, p_stream->i_duration *
1735 i_movie_timescale / I64C(1000000) );
1736 bo_add_64be( elst, 0 );
1740 bo_add_32be( elst, p_stream->i_duration *
1741 i_movie_timescale / I64C(1000000) );
1742 bo_add_32be( elst, 0 );
1744 bo_add_16be( elst, 1 );
1745 bo_add_16be( elst, 0 );
1748 box_gather( edts, elst );
1750 box_gather( trak, edts );
1752 /* *** add /moov/trak/mdia *** */
1753 mdia = box_new( "mdia" );
1756 if( !p_sys->b_64_ext )
1758 mdhd = box_full_new( "mdhd", 0, 0 );
1759 bo_add_32be( mdhd, get_timestamp() ); // creation time
1760 bo_add_32be( mdhd, get_timestamp() ); // modification time
1761 bo_add_32be( mdhd, i_timescale); // timescale
1762 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1763 (mtime_t)1000000 ); // duration
1767 mdhd = box_full_new( "mdhd", 1, 0 );
1768 bo_add_64be( mdhd, get_timestamp() ); // creation time
1769 bo_add_64be( mdhd, get_timestamp() ); // modification time
1770 bo_add_32be( mdhd, i_timescale); // timescale
1771 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1772 (mtime_t)1000000 ); // duration
1775 if( p_stream->fmt.psz_language )
1777 char *psz = p_stream->fmt.psz_language;
1778 const iso639_lang_t *pl = NULL;
1779 uint16_t lang = 0x0;
1781 if( strlen( psz ) == 2 )
1783 pl = GetLang_1( psz );
1785 else if( strlen( psz ) == 3 )
1787 pl = GetLang_2B( psz );
1788 if( !strcmp( pl->psz_iso639_1, "??" ) )
1790 pl = GetLang_2T( psz );
1793 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1795 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1796 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1797 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1799 bo_add_16be( mdhd, lang ); // language
1803 bo_add_16be( mdhd, 0 ); // language
1805 bo_add_16be( mdhd, 0 ); // predefined
1807 box_gather( mdia, mdhd );
1809 /* handler reference */
1810 hdlr = box_full_new( "hdlr", 0, 0 );
1813 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1815 bo_add_32be( hdlr, 0 );
1817 if( p_stream->fmt.i_cat == AUDIO_ES )
1818 bo_add_fourcc( hdlr, "soun" );
1819 else if( p_stream->fmt.i_cat == VIDEO_ES )
1820 bo_add_fourcc( hdlr, "vide" );
1821 else if( p_stream->fmt.i_cat == SPU_ES )
1822 bo_add_fourcc( hdlr, "text" );
1824 bo_add_32be( hdlr, 0 ); // reserved
1825 bo_add_32be( hdlr, 0 ); // reserved
1826 bo_add_32be( hdlr, 0 ); // reserved
1829 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1831 if( p_stream->fmt.i_cat == AUDIO_ES )
1832 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1833 else if( p_stream->fmt.i_cat == VIDEO_ES )
1834 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1836 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1839 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1842 box_gather( mdia, hdlr );
1845 minf = box_new( "minf" );
1848 if( p_stream->fmt.i_cat == AUDIO_ES )
1852 smhd = box_full_new( "smhd", 0, 0 );
1853 bo_add_16be( smhd, 0 ); // balance
1854 bo_add_16be( smhd, 0 ); // reserved
1857 box_gather( minf, smhd );
1859 else if( p_stream->fmt.i_cat == VIDEO_ES )
1863 vmhd = box_full_new( "vmhd", 0, 1 );
1864 bo_add_16be( vmhd, 0 ); // graphicsmode
1865 for( i = 0; i < 3; i++ )
1867 bo_add_16be( vmhd, 0 ); // opcolor
1871 box_gather( minf, vmhd );
1873 else if( p_stream->fmt.i_cat == SPU_ES )
1875 bo_t *gmhd = box_new( "gmhd" );
1876 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1878 bo_add_16be( gmin, 0 ); // graphicsmode
1879 for( i = 0; i < 3; i++ )
1881 bo_add_16be( gmin, 0 ); // opcolor
1883 bo_add_16be( gmin, 0 ); // balance
1884 bo_add_16be( gmin, 0 ); // reserved
1887 box_gather( gmhd, gmin );
1890 box_gather( minf, gmhd );
1894 dinf = box_new( "dinf" );
1895 dref = box_full_new( "dref", 0, 0 );
1896 bo_add_32be( dref, 1 );
1897 url = box_full_new( "url ", 0, 0x01 );
1899 box_gather( dref, url );
1901 box_gather( dinf, dref );
1903 /* append dinf to mdia */
1905 box_gather( minf, dinf );
1908 stbl = GetStblBox( p_mux, p_stream );
1910 /* append stbl to minf */
1911 p_stream->i_stco_pos += minf->i_buffer;
1912 box_gather( minf, stbl );
1914 /* append minf to mdia */
1916 p_stream->i_stco_pos += mdia->i_buffer;
1917 box_gather( mdia, minf );
1919 /* append mdia to trak */
1921 p_stream->i_stco_pos += trak->i_buffer;
1922 box_gather( trak, mdia );
1924 /* append trak to moov */
1926 p_stream->i_stco_pos += moov->i_buffer;
1927 box_gather( moov, trak );
1930 /* Add user data tags */
1931 box_gather( moov, GetUdtaTag( p_mux ) );
1937 /****************************************************************************/
1939 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1944 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1945 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1949 p_bo->i_buffer_size = i_size;
1950 p_bo->p_buffer = p_buffer;
1953 p_bo->b_grow = b_grow;
1957 static void bo_add_8( bo_t *p_bo, uint8_t i )
1959 if( p_bo->i_buffer < p_bo->i_buffer_size )
1961 p_bo->p_buffer[p_bo->i_buffer] = i;
1963 else if( p_bo->b_grow )
1965 p_bo->i_buffer_size += 1024;
1966 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1968 p_bo->p_buffer[p_bo->i_buffer] = i;
1974 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1976 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1977 bo_add_8( p_bo, i &0xff );
1980 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1982 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1983 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1984 bo_add_8( p_bo, ( i &0xff ) );
1986 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1988 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1989 bo_add_16be( p_bo, i &0xffff );
1992 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1994 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1995 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1996 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1997 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
2000 static void bo_add_64be( bo_t *p_bo, uint64_t i )
2002 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
2003 bo_add_32be( p_bo, i &0xffffffff );
2006 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
2008 bo_add_8( p_bo, fcc[0] );
2009 bo_add_8( p_bo, fcc[1] );
2010 bo_add_8( p_bo, fcc[2] );
2011 bo_add_8( p_bo, fcc[3] );
2014 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2018 for( i = 0; i < i_size; i++ )
2020 bo_add_8( p_bo, p_mem[i] );
2024 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2030 vals[3] = (unsigned char)(i_length & 0x7f);
2032 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2034 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2036 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2038 bo_add_8( p_bo, tag );
2040 if( i_size < 0x00000080 )
2042 bo_add_8( p_bo, vals[3] );
2044 else if( i_size < 0x00004000 )
2046 bo_add_8( p_bo, vals[2] );
2047 bo_add_8( p_bo, vals[3] );
2049 else if( i_size < 0x00200000 )
2051 bo_add_8( p_bo, vals[1] );
2052 bo_add_8( p_bo, vals[2] );
2053 bo_add_8( p_bo, vals[3] );
2055 else if( i_size < 0x10000000 )
2057 bo_add_8( p_bo, vals[0] );
2058 bo_add_8( p_bo, vals[1] );
2059 bo_add_8( p_bo, vals[2] );
2060 bo_add_8( p_bo, vals[3] );
2064 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2068 for( i = 0; i < p_bo2->i_buffer; i++ )
2070 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2074 static bo_t * box_new( const char *fcc )
2078 if( ( box = malloc( sizeof( bo_t ) ) ) )
2080 bo_init( box, 0, NULL, VLC_TRUE );
2082 bo_add_32be ( box, 0 );
2083 bo_add_fourcc( box, fcc );
2089 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2093 if( ( box = malloc( sizeof( bo_t ) ) ) )
2095 bo_init( box, 0, NULL, VLC_TRUE );
2097 bo_add_32be ( box, 0 );
2098 bo_add_fourcc( box, fcc );
2099 bo_add_8 ( box, v );
2100 bo_add_24be ( box, f );
2106 static void box_fix( bo_t *box )
2110 memcpy( &box_tmp, box, sizeof( bo_t ) );
2112 box_tmp.i_buffer = 0;
2113 bo_add_32be( &box_tmp, box->i_buffer );
2116 static void box_free( bo_t *box )
2120 free( box->p_buffer );
2126 static void box_gather ( bo_t *box, bo_t *box2 )
2128 bo_add_bo( box, box2 );
2132 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2136 p_buf = block_New( p_sout, box->i_buffer );
2137 if( box->i_buffer > 0 )
2139 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2145 static void box_send( sout_mux_t *p_mux, bo_t *box )
2149 p_buf = bo_to_sout( p_mux->p_sout, box );
2152 sout_AccessOutWrite( p_mux->p_access, p_buf );
2155 static int64_t get_timestamp(void)
2157 int64_t i_timestamp = 0;
2160 i_timestamp = time(NULL);
2161 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2162 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60