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_common.h>
34 #include <vlc_plugin.h>
36 #include <vlc_block.h>
42 #include <vlc_iso_lang.h>
45 /*****************************************************************************
47 *****************************************************************************/
48 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
49 #define FASTSTART_LONGTEXT N_( \
50 "Create \"Fast Start\" files. " \
51 "\"Fast Start\" files are optimized for downloads and allow the user " \
52 "to start previewing the file while it is downloading.")
54 static int Open ( vlc_object_t * );
55 static void Close ( vlc_object_t * );
57 #define SOUT_CFG_PREFIX "sout-mp4-"
60 set_description( N_("MP4/MOV muxer") );
61 set_category( CAT_SOUT );
62 set_subcategory( SUBCAT_SOUT_MUX );
63 set_shortname( "MP4" );
65 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
66 FASTSTART_TEXT, FASTSTART_LONGTEXT,
68 set_capability( "sout mux", 5 );
69 add_shortcut( "mp4" );
70 add_shortcut( "mov" );
71 add_shortcut( "3gp" );
72 set_callbacks( Open, Close );
75 /*****************************************************************************
77 *****************************************************************************/
78 static const char *const ppsz_sout_options[] = {
82 static int Control( sout_mux_t *, int, va_list );
83 static int AddStream( sout_mux_t *, sout_input_t * );
84 static int DelStream( sout_mux_t *, sout_input_t * );
85 static int Mux ( sout_mux_t * );
87 /*****************************************************************************
89 *****************************************************************************/
107 unsigned int i_entry_count;
108 unsigned int i_entry_max;
110 int64_t i_length_neg;
116 /* for later stco fix-up (fast start files) */
125 struct sout_mux_sys_t
138 mp4_stream_t **pp_streams;
151 static void bo_init ( bo_t *, int , uint8_t *, bool );
152 static void bo_add_8 ( bo_t *, uint8_t );
153 static void bo_add_16be ( bo_t *, uint16_t );
154 static void bo_add_24be ( bo_t *, uint32_t );
155 static void bo_add_32be ( bo_t *, uint32_t );
156 static void bo_add_64be ( bo_t *, uint64_t );
157 static void bo_add_fourcc(bo_t *, const char * );
158 static void bo_add_bo ( bo_t *, bo_t * );
159 static void bo_add_mem ( bo_t *, int , uint8_t * );
160 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
162 static void bo_fix_32be ( bo_t *, int , uint32_t );
164 static bo_t *box_new ( const char *fcc );
165 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
166 static void box_fix ( bo_t *box );
167 static void box_free ( bo_t *box );
168 static void box_gather ( bo_t *box, bo_t *box2 );
170 static void box_send( sout_mux_t *p_mux, bo_t *box );
172 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
174 static bo_t *GetMoovBox( sout_mux_t *p_mux );
176 static block_t *ConvertSUBT( block_t *);
177 static block_t *ConvertAVC1( block_t * );
179 /*****************************************************************************
181 *****************************************************************************/
182 static int Open( vlc_object_t *p_this )
184 sout_mux_t *p_mux = (sout_mux_t*)p_this;
185 sout_mux_sys_t *p_sys;
188 msg_Dbg( p_mux, "Mp4 muxer opened" );
189 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
191 p_mux->pf_control = Control;
192 p_mux->pf_addstream = AddStream;
193 p_mux->pf_delstream = DelStream;
195 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
197 p_sys->i_nb_streams = 0;
198 p_sys->pp_streams = NULL;
199 p_sys->i_mdat_pos = 0;
200 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
201 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
202 p_sys->i_dts_start = 0;
207 /* Now add ftyp header */
208 box = box_new( "ftyp" );
209 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
210 else bo_add_fourcc( box, "isom" );
211 bo_add_32be ( box, 0 );
212 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
213 else bo_add_fourcc( box, "mp41" );
216 p_sys->i_pos += box->i_buffer;
217 p_sys->i_mdat_pos = p_sys->i_pos;
219 box_send( p_mux, box );
223 * Quicktime actually doesn't like the 64 bits extensions !!! */
224 p_sys->b_64_ext = false;
226 /* Now add mdat header */
227 box = box_new( "mdat" );
228 bo_add_64be ( box, 0 ); // enough to store an extended size
230 p_sys->i_pos += box->i_buffer;
232 box_send( p_mux, box );
237 /*****************************************************************************
239 *****************************************************************************/
240 static void Close( vlc_object_t * p_this )
242 sout_mux_t *p_mux = (sout_mux_t*)p_this;
243 sout_mux_sys_t *p_sys = p_mux->p_sys;
251 msg_Dbg( p_mux, "Close" );
253 /* Update mdat size */
254 bo_init( &bo, 0, NULL, true );
255 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
258 bo_add_32be ( &bo, 1 );
259 bo_add_fourcc( &bo, "mdat" );
260 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
264 bo_add_32be ( &bo, 8 );
265 bo_add_fourcc( &bo, "wide" );
266 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
267 bo_add_fourcc( &bo, "mdat" );
269 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
272 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
273 sout_AccessOutWrite( p_mux->p_access, p_hdr );
275 /* Create MOOV header */
276 i_moov_pos = p_sys->i_pos;
277 moov = GetMoovBox( p_mux );
279 /* Check we need to create "fast start" files */
280 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
281 p_sys->b_fast_start = val.b_bool;
282 while( p_sys->b_fast_start )
284 /* Move data to the end of the file so we can fit the moov header
287 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
288 int i_moov_size = moov->i_buffer;
292 i_chunk = __MIN( 32768, i_size );
293 p_buf = block_New( p_mux, i_chunk );
294 sout_AccessOutSeek( p_mux->p_access,
295 p_sys->i_mdat_pos + i_size - i_chunk );
296 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
298 msg_Warn( p_this, "read() not supported by access output, "
299 "won't create a fast start file" );
300 p_sys->b_fast_start = false;
301 block_Release( p_buf );
304 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
305 i_moov_size - i_chunk );
306 sout_AccessOutWrite( p_mux->p_access, p_buf );
310 if( !p_sys->b_fast_start ) break;
312 /* Fix-up samples to chunks table in MOOV header */
313 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
315 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
319 moov->i_buffer = p_stream->i_stco_pos;
320 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
322 if( p_stream->b_stco64 )
323 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
325 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
327 while( i < p_stream->i_entry_count )
329 if( i + 1 < p_stream->i_entry_count &&
330 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
331 != p_stream->entry[i + 1].i_pos )
342 moov->i_buffer = i_moov_size;
343 i_moov_pos = p_sys->i_mdat_pos;
344 p_sys->b_fast_start = false;
347 /* Write MOOV header */
348 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
349 box_send( p_mux, moov );
352 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
354 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
356 es_format_Clean( &p_stream->fmt );
357 free( p_stream->entry );
360 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
374 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
375 pb_bool = (bool*)va_arg( args, bool * );
379 case MUX_GET_ADD_STREAM_WAIT:
380 pb_bool = (bool*)va_arg( args, bool * );
384 case MUX_GET_MIME: /* Not needed, as not streamable */
390 /*****************************************************************************
392 *****************************************************************************/
393 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
395 sout_mux_sys_t *p_sys = p_mux->p_sys;
396 mp4_stream_t *p_stream;
398 switch( p_input->p_fmt->i_codec )
400 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
401 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
402 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
403 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
404 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
405 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
406 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
407 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
408 case VLC_FOURCC( 'H', '2', '6', '3' ):
409 case VLC_FOURCC( 'h', '2', '6', '4' ):
410 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
411 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
412 case VLC_FOURCC( 'Y', 'V', '1', '2' ):
413 case VLC_FOURCC( 'Y', 'U', 'Y', '2' ):
415 case VLC_FOURCC( 's', 'u', 'b', 't' ):
416 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
419 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
420 (char*)&p_input->p_fmt->i_codec );
424 p_stream = malloc( sizeof( mp4_stream_t ) );
425 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
426 p_stream->i_track_id = p_sys->i_nb_streams + 1;
427 p_stream->i_length_neg = 0;
428 p_stream->i_entry_count = 0;
429 p_stream->i_entry_max = 1000;
431 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
432 p_stream->i_dts_start = 0;
433 p_stream->i_duration = 0;
435 p_input->p_sys = p_stream;
437 msg_Dbg( p_mux, "adding input" );
439 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
443 /*****************************************************************************
445 *****************************************************************************/
446 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
449 msg_Dbg( p_mux, "removing input" );
453 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
458 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
460 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
463 if( block_FifoCount( p_fifo ) <= 1 )
465 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
467 return -1; // wait that all fifo have at least 2 packets
469 /* For SPU, we wait only 1 packet */
473 p_buf = block_FifoShow( p_fifo );
474 if( i_stream < 0 || p_buf->i_dts < i_dts )
476 i_dts = p_buf->i_dts;
482 *pi_stream = i_stream;
491 /*****************************************************************************
493 *****************************************************************************/
494 static int Mux( sout_mux_t *p_mux )
496 sout_mux_sys_t *p_sys = p_mux->p_sys;
500 sout_input_t *p_input;
502 mp4_stream_t *p_stream;
506 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
508 return( VLC_SUCCESS );
511 p_input = p_mux->pp_inputs[i_stream];
512 p_stream = (mp4_stream_t*)p_input->p_sys;
515 p_data = block_FifoGet( p_input->p_fifo );
516 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
518 p_data = ConvertAVC1( p_data );
520 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
522 p_data = ConvertSUBT( p_data );
524 if( p_data == NULL ) goto again;
526 if( p_stream->fmt.i_cat != SPU_ES )
528 /* Fix length of the sample */
529 if( block_FifoCount( p_input->p_fifo ) > 0 )
531 block_t *p_next = block_FifoShow( p_input->p_fifo );
532 int64_t i_diff = p_next->i_dts - p_data->i_dts;
534 if( i_diff < INT64_C(1000000 ) ) /* protection */
536 p_data->i_length = i_diff;
539 if( p_data->i_length <= 0 )
541 msg_Warn( p_mux, "i_length <= 0" );
542 p_stream->i_length_neg += p_data->i_length - 1;
543 p_data->i_length = 1;
545 else if( p_stream->i_length_neg < 0 )
547 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
549 p_data->i_length -= i_recover;
550 p_stream->i_length_neg += i_recover;
554 /* Save starting time */
555 if( p_stream->i_entry_count == 0 )
557 p_stream->i_dts_start = p_data->i_dts;
559 /* Update global dts_start */
560 if( p_sys->i_dts_start <= 0 ||
561 p_stream->i_dts_start < p_sys->i_dts_start )
563 p_sys->i_dts_start = p_stream->i_dts_start;
567 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
569 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
573 /* FIXME handle this broken case */
578 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
580 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
585 /* add index entry */
586 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
587 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
588 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
589 __MAX( p_data->i_pts - p_data->i_dts, 0 );
590 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
591 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
593 p_stream->i_entry_count++;
594 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
595 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
597 p_stream->i_entry_max += 1000;
599 realloc( p_stream->entry,
600 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
604 p_stream->i_duration += p_data->i_length;
605 p_sys->i_pos += p_data->i_buffer;
608 p_stream->i_last_dts = p_data->i_dts;
611 sout_AccessOutWrite( p_mux->p_access, p_data );
613 if( p_stream->fmt.i_cat == SPU_ES )
615 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
620 msg_Dbg( p_mux, "writing an empty sub" ) ;
622 /* Append a idx entry */
623 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
624 p_stream->entry[p_stream->i_entry_count].i_size = 3;
625 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
626 p_stream->entry[p_stream->i_entry_count].i_length = 0;
627 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
629 /* XXX: No need to grow the entry here */
630 p_stream->i_entry_count++;
633 p_stream->i_last_dts += i_length;
636 p_data = block_New( p_mux, 3 );
637 p_data->p_buffer[0] = 0;
638 p_data->p_buffer[1] = 1;
639 p_data->p_buffer[2] = ' ';
641 p_sys->i_pos += p_data->i_buffer;
643 sout_AccessOutWrite( p_mux->p_access, p_data );
647 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
651 return( VLC_SUCCESS );
654 /*****************************************************************************
656 *****************************************************************************/
657 static block_t *ConvertSUBT( block_t *p_block )
659 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
661 /* No trailling '\0' */
662 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
665 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
666 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
671 static block_t *ConvertAVC1( block_t *p_block )
673 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
674 uint8_t *dat = &p_block->p_buffer[4];
675 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
678 /* Replace the 4 bytes start code with 4 bytes size,
679 * FIXME are all startcodes 4 bytes ? (I don't think :( */
684 while( dat < end - 4 )
686 if( dat[0] == 0x00 && dat[1] == 0x00 &&
687 dat[2] == 0x00 && dat[3] == 0x01 )
699 i_size = dat - &last[4];
700 last[0] = ( i_size >> 24 )&0xff;
701 last[1] = ( i_size >> 16 )&0xff;
702 last[2] = ( i_size >> 8 )&0xff;
703 last[3] = ( i_size )&0xff;
705 /* Skip blocks with SPS/PPS */
706 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
708 ; // FIXME Find a way to skip dat without frelling everything
716 static int GetDescrLength( int i_size )
718 if( i_size < 0x00000080 )
720 else if( i_size < 0x00004000 )
722 else if( i_size < 0x00200000 )
728 static bo_t *GetESDS( mp4_stream_t *p_stream )
732 int i_object_type_indication;
733 int i_decoder_specific_info_size;
735 int64_t i_bitrate_avg = 0;
736 int64_t i_bitrate_max = 0;
738 /* Compute avg/max bitrate */
739 for( i = 0; i < p_stream->i_entry_count; i++ )
741 i_bitrate_avg += p_stream->entry[i].i_size;
742 if( p_stream->entry[i].i_length > 0)
744 int64_t i_bitrate = INT64_C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
745 if( i_bitrate > i_bitrate_max )
746 i_bitrate_max = i_bitrate;
750 if( p_stream->i_duration > 0 )
751 i_bitrate_avg = INT64_C(8000000) * i_bitrate_avg / p_stream->i_duration;
754 if( i_bitrate_max <= 1 )
755 i_bitrate_max = 0x7fffffff;
758 if( p_stream->fmt.i_extra > 0 )
760 i_decoder_specific_info_size =
761 GetDescrLength( p_stream->fmt.i_extra );
765 i_decoder_specific_info_size = 0;
768 esds = box_full_new( "esds", 0, 0 );
771 bo_add_descr( esds, 0x03, 3 +
772 GetDescrLength( 13 + i_decoder_specific_info_size ) +
773 GetDescrLength( 1 ) );
774 bo_add_16be( esds, p_stream->i_track_id );
775 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
777 /* DecoderConfigDescr */
778 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
780 switch( p_stream->fmt.i_codec )
782 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
783 i_object_type_indication = 0x20;
785 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
786 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
787 i_object_type_indication = 0x60;
789 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
790 /* FIXME for mpeg2-aac == 0x66->0x68 */
791 i_object_type_indication = 0x40;
793 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
794 i_object_type_indication =
795 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
798 i_object_type_indication = 0x00;
801 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
803 bo_add_8 ( esds, i_object_type_indication );
804 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
805 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
806 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
807 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
809 if( p_stream->fmt.i_extra > 0 )
813 /* DecoderSpecificInfo */
814 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
816 for( i = 0; i < p_stream->fmt.i_extra; i++ )
818 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
822 /* SL_Descr mandatory */
823 bo_add_descr( esds, 0x06, 1 );
824 bo_add_8 ( esds, 0x02 ); // sl_predefined
831 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
836 wave = box_new( "wave" );
838 box = box_new( "frma" );
839 bo_add_fourcc( box, "mp4a" );
841 box_gather( wave, box );
843 box = box_new( "mp4a" );
844 bo_add_32be( box, 0 );
846 box_gather( wave, box );
848 box = GetESDS( p_stream );
850 box_gather( wave, box );
852 box = box_new( "srcq" );
853 bo_add_32be( box, 0x40 );
855 box_gather( wave, box );
858 bo_add_32be( wave, 8 ); /* new empty box */
859 bo_add_32be( wave, 0 ); /* box label */
866 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
870 damr = box_new( "damr" );
872 bo_add_fourcc( damr, "REFC" );
875 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
876 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
878 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
879 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
886 static bo_t *GetD263Tag( void )
890 d263 = box_new( "d263" );
892 bo_add_fourcc( d263, "VLC " );
893 bo_add_16be( d263, 0xa );
901 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
904 uint8_t *p_sps = NULL;
905 uint8_t *p_pps = NULL;
909 if( p_stream->fmt.i_extra > 0 )
911 /* FIXME: take into account multiple sps/pps */
912 uint8_t *p_buffer = p_stream->fmt.p_extra;
913 int i_buffer = p_stream->fmt.i_extra;
915 while( i_buffer > 4 &&
916 p_buffer[0] == 0 && p_buffer[1] == 0 &&
917 p_buffer[2] == 0 && p_buffer[3] == 1 )
919 const int i_nal_type = p_buffer[4]&0x1f;
924 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
926 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
928 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
929 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
931 /* we found another startcode */
932 i_startcode = i_offset;
936 i_size = i_startcode ? i_startcode : i_buffer;
937 if( i_nal_type == 7 )
939 p_sps = &p_buffer[4];
940 i_sps_size = i_size - 4;
942 if( i_nal_type == 8 )
944 p_pps = &p_buffer[4];
945 i_pps_size = i_size - 4;
952 /* FIXME use better value */
953 avcC = box_new( "avcC" );
954 bo_add_8( avcC, 1 ); /* configuration version */
955 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
956 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
957 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
958 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
960 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
963 bo_add_16be( avcC, i_sps_size );
964 bo_add_mem( avcC, i_sps_size, p_sps );
967 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
970 bo_add_16be( avcC, i_pps_size );
971 bo_add_mem( avcC, i_pps_size, p_pps );
978 /* TODO: No idea about these values */
979 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
981 bo_t *smi = box_new( "SMI " );
983 if( p_stream->fmt.i_extra > 0x4e )
985 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
986 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
988 while( p + 8 < p_end )
990 int i_size = GetDWBE( p );
993 /* FIXME handle 1 as long size */
996 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
998 bo_add_mem( smi, p_end - p - 8, &p[8] );
1005 /* Create a dummy one in fallback */
1006 bo_add_fourcc( smi, "SEQH" );
1007 bo_add_32be( smi, 0x5 );
1008 bo_add_32be( smi, 0xe2c0211d );
1009 bo_add_8( smi, 0xc0 );
1015 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1017 sout_mux_sys_t *p_sys = p_mux->p_sys;
1018 bo_t *udta = box_new( "udta" );
1019 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1023 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1025 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1027 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1028 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1030 bo_t *box = box_new( "\251req" );
1032 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1033 bo_add_16be( box, 0 );
1034 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1035 (uint8_t *)"QuickTime 6.0 or greater" );
1037 box_gather( udta, box );
1044 bo_t *box = box_new( "\251enc" );
1046 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1047 bo_add_16be( box, 0 );
1048 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1049 (uint8_t*)PACKAGE_STRING " stream output" );
1051 box_gather( udta, box );
1057 #define ADD_META_BOX( type, box_string ) { \
1059 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1062 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1063 bo_add_16be( box, 0 ); \
1064 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1065 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1067 box_gather( udta, box ); \
1070 ADD_META_BOX( Title, "nam" );
1071 ADD_META_BOX( Artist, "ART" );
1072 ADD_META_BOX( Genre, "gen" );
1073 ADD_META_BOX( Copyright, "cpy" );
1074 ADD_META_BOX( Description, "des" );
1075 ADD_META_BOX( Date, "day" );
1076 ADD_META_BOX( URL, "url" );
1084 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1086 sout_mux_sys_t *p_sys = p_mux->p_sys;
1087 bool b_descr = false;
1092 switch( p_stream->fmt.i_codec )
1094 case VLC_FOURCC('m','p','4','a'):
1095 memcpy( fcc, "mp4a", 4 );
1099 case VLC_FOURCC('s','a','m','r'):
1100 case VLC_FOURCC('s','a','w','b'):
1101 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1105 case VLC_FOURCC('m','p','g','a'):
1107 memcpy( fcc, ".mp3", 4 );
1110 memcpy( fcc, "mp4a", 4 );
1116 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1120 soun = box_new( fcc );
1121 for( i = 0; i < 6; i++ )
1123 bo_add_8( soun, 0 ); // reserved;
1125 bo_add_16be( soun, 1 ); // data-reference-index
1127 /* SoundDescription */
1129 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1131 bo_add_16be( soun, 1 ); // version 1;
1135 bo_add_16be( soun, 0 ); // version 0;
1137 bo_add_16be( soun, 0 ); // revision level (0)
1138 bo_add_32be( soun, 0 ); // vendor
1140 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1142 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1143 p_stream->fmt.audio.i_bitspersample : 16 );
1144 bo_add_16be( soun, -2 ); // compression id
1145 bo_add_16be( soun, 0 ); // packet size (0)
1146 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1147 bo_add_16be( soun, 0 ); // sampleratelo
1149 /* Extended data for SoundDescription V1 */
1151 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1153 /* samples per packet */
1154 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1155 bo_add_32be( soun, 1536 ); /* bytes per packet */
1156 bo_add_32be( soun, 2 ); /* bytes per frame */
1157 /* bytes per sample */
1158 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1161 /* Add an ES Descriptor */
1167 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1169 box = GetWaveTag( p_stream );
1171 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1173 box = GetDamrTag( p_stream );
1177 box = GetESDS( p_stream );
1180 box_gather( soun, box );
1188 static bo_t *GetVideBox( mp4_stream_t *p_stream )
1195 switch( p_stream->fmt.i_codec )
1197 case VLC_FOURCC('m','p','4','v'):
1198 case VLC_FOURCC('m','p','g','v'):
1199 memcpy( fcc, "mp4v", 4 );
1202 case VLC_FOURCC('M','J','P','G'):
1203 memcpy( fcc, "mjpa", 4 );
1206 case VLC_FOURCC('S','V','Q','1'):
1207 memcpy( fcc, "SVQ1", 4 );
1210 case VLC_FOURCC('S','V','Q','3'):
1211 memcpy( fcc, "SVQ3", 4 );
1214 case VLC_FOURCC('H','2','6','3'):
1215 memcpy( fcc, "s263", 4 );
1218 case VLC_FOURCC('h','2','6','4'):
1219 memcpy( fcc, "avc1", 4 );
1222 case VLC_FOURCC('Y','V','1','2'):
1223 memcpy( fcc, "yv12", 4 );
1226 case VLC_FOURCC('Y','U','Y','2'):
1227 memcpy( fcc, "yuy2", 4 );
1231 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1235 vide = box_new( fcc );
1236 for( i = 0; i < 6; i++ )
1238 bo_add_8( vide, 0 ); // reserved;
1240 bo_add_16be( vide, 1 ); // data-reference-index
1242 bo_add_16be( vide, 0 ); // predefined;
1243 bo_add_16be( vide, 0 ); // reserved;
1244 for( i = 0; i < 3; i++ )
1246 bo_add_32be( vide, 0 ); // predefined;
1249 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1250 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1252 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1253 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1255 bo_add_32be( vide, 0 ); // data size, always 0
1256 bo_add_16be( vide, 1 ); // frames count per sample
1259 for( i = 0; i < 32; i++ )
1261 bo_add_8( vide, 0 );
1264 bo_add_16be( vide, 0x18 ); // depth
1265 bo_add_16be( vide, 0xffff ); // predefined
1267 /* add an ES Descriptor */
1268 switch( p_stream->fmt.i_codec )
1270 case VLC_FOURCC('m','p','4','v'):
1271 case VLC_FOURCC('m','p','g','v'):
1273 bo_t *esds = GetESDS( p_stream );
1276 box_gather( vide, esds );
1280 case VLC_FOURCC('H','2','6','3'):
1282 bo_t *d263 = GetD263Tag();
1285 box_gather( vide, d263 );
1289 case VLC_FOURCC('S','V','Q','3'):
1291 bo_t *esds = GetSVQ3Tag( p_stream );
1294 box_gather( vide, esds );
1298 case VLC_FOURCC('h','2','6','4'):
1299 box_gather( vide, GetAvcCTag( p_stream ) );
1311 static bo_t *GetTextBox( void )
1314 bo_t *text = box_new( "text" );
1317 for( i = 0; i < 6; i++ )
1319 bo_add_8( text, 0 ); // reserved;
1321 bo_add_16be( text, 1 ); // data-reference-index
1323 bo_add_32be( text, 0 ); // display flags
1324 bo_add_32be( text, 0 ); // justification
1325 for( i = 0; i < 3; i++ )
1327 bo_add_16be( text, 0 ); // back ground color
1330 bo_add_16be( text, 0 ); // box text
1331 bo_add_16be( text, 0 ); // box text
1332 bo_add_16be( text, 0 ); // box text
1333 bo_add_16be( text, 0 ); // box text
1335 bo_add_64be( text, 0 ); // reserved
1336 for( i = 0; i < 3; i++ )
1338 bo_add_16be( text, 0xff ); // foreground color
1341 bo_add_8 ( text, 9 );
1342 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1349 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1351 sout_mux_sys_t *p_sys = p_mux->p_sys;
1352 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1353 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1354 uint32_t i_timescale;
1355 int64_t i_dts, i_dts_q;
1357 stbl = box_new( "stbl" );
1359 /* sample description */
1360 stsd = box_full_new( "stsd", 0, 0 );
1361 bo_add_32be( stsd, 1 );
1362 if( p_stream->fmt.i_cat == AUDIO_ES )
1364 bo_t *soun = GetSounBox( p_mux, p_stream );
1365 box_gather( stsd, soun );
1367 else if( p_stream->fmt.i_cat == VIDEO_ES )
1369 bo_t *vide = GetVideBox( p_stream );
1370 box_gather( stsd, vide );
1372 else if( p_stream->fmt.i_cat == SPU_ES )
1374 box_gather( stsd, GetTextBox() );
1378 /* chunk offset table */
1379 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1381 /* 64 bits version */
1382 p_stream->b_stco64 = true;
1383 stco = box_full_new( "co64", 0, 0 );
1387 /* 32 bits version */
1388 p_stream->b_stco64 = false;
1389 stco = box_full_new( "stco", 0, 0 );
1391 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1393 /* sample to chunk table */
1394 stsc = box_full_new( "stsc", 0, 0 );
1395 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1397 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1398 i < p_stream->i_entry_count; i_chunk++ )
1402 if( p_stream->b_stco64 )
1403 bo_add_64be( stco, p_stream->entry[i].i_pos );
1405 bo_add_32be( stco, p_stream->entry[i].i_pos );
1407 while( i < p_stream->i_entry_count )
1409 if( i + 1 < p_stream->i_entry_count &&
1410 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1411 != p_stream->entry[i + 1].i_pos )
1420 /* Add entry to the stsc table */
1421 if( i_stsc_last_val != i - i_first )
1423 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1424 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1425 bo_add_32be( stsc, 1 ); // sample-descr-index
1426 i_stsc_last_val = i - i_first;
1431 /* Fix stco entry count */
1432 bo_fix_32be( stco, 12, i_chunk );
1433 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1436 /* Fix stsc entry count */
1437 bo_fix_32be( stsc, 12, i_stsc_entries );
1441 stts = box_full_new( "stts", 0, 0 );
1442 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1444 if( p_stream->fmt.i_cat == AUDIO_ES )
1445 i_timescale = p_stream->fmt.audio.i_rate;
1449 /* first, create quantified length */
1450 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1452 int64_t i_dts_deq = i_dts_q * INT64_C(1000000) / (int64_t)i_timescale;
1453 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1455 i_dts += p_stream->entry[i].i_length;
1457 p_stream->entry[i].i_length =
1458 i_delta * (int64_t)i_timescale / INT64_C(1000000);
1460 i_dts_q += p_stream->entry[i].i_length;
1462 /* then write encoded table */
1463 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1466 int64_t i_delta = p_stream->entry[i].i_length;
1468 while( i < p_stream->i_entry_count )
1471 if( i >= p_stream->i_entry_count ||
1472 p_stream->entry[i].i_length != i_delta )
1478 bo_add_32be( stts, i - i_first ); // sample-count
1479 bo_add_32be( stts, i_delta ); // sample-delta
1481 bo_fix_32be( stts, 12, i_index );
1484 /* FIXME add ctts ?? FIXME */
1486 stsz = box_full_new( "stsz", 0, 0 );
1487 bo_add_32be( stsz, 0 ); // sample-size
1488 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1489 for( i = 0; i < p_stream->i_entry_count; i++ )
1491 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1495 /* create stss table */
1497 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1499 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1503 stss = box_full_new( "stss", 0, 0 );
1504 bo_add_32be( stss, 0 ); /* fixed later */
1506 bo_add_32be( stss, 1 + i );
1512 bo_fix_32be( stss, 12, i_index );
1516 /* Now gather all boxes into stbl */
1517 box_gather( stbl, stsd );
1518 box_gather( stbl, stts );
1521 box_gather( stbl, stss );
1523 box_gather( stbl, stsc );
1524 box_gather( stbl, stsz );
1525 p_stream->i_stco_pos = stbl->i_buffer + 16;
1526 box_gather( stbl, stco );
1534 static int64_t get_timestamp(void);
1536 static uint32_t mvhd_matrix[9] =
1537 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1539 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1541 sout_mux_sys_t *p_sys = p_mux->p_sys;
1546 uint32_t i_movie_timescale = 90000;
1547 int64_t i_movie_duration = 0;
1549 moov = box_new( "moov" );
1551 /* Create general info */
1552 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1554 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1555 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1557 msg_Dbg( p_mux, "movie duration %ds",
1558 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1560 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1562 /* *** add /moov/mvhd *** */
1563 if( !p_sys->b_64_ext )
1565 mvhd = box_full_new( "mvhd", 0, 0 );
1566 bo_add_32be( mvhd, get_timestamp() ); // creation time
1567 bo_add_32be( mvhd, get_timestamp() ); // modification time
1568 bo_add_32be( mvhd, i_movie_timescale); // timescale
1569 bo_add_32be( mvhd, i_movie_duration ); // duration
1573 mvhd = box_full_new( "mvhd", 1, 0 );
1574 bo_add_64be( mvhd, get_timestamp() ); // creation time
1575 bo_add_64be( mvhd, get_timestamp() ); // modification time
1576 bo_add_32be( mvhd, i_movie_timescale); // timescale
1577 bo_add_64be( mvhd, i_movie_duration ); // duration
1579 bo_add_32be( mvhd, 0x10000 ); // rate
1580 bo_add_16be( mvhd, 0x100 ); // volume
1581 bo_add_16be( mvhd, 0 ); // reserved
1582 for( i = 0; i < 2; i++ )
1584 bo_add_32be( mvhd, 0 ); // reserved
1586 for( i = 0; i < 9; i++ )
1588 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1590 for( i = 0; i < 6; i++ )
1592 bo_add_32be( mvhd, 0 ); // pre-defined
1595 /* Next available track id */
1596 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1599 box_gather( moov, mvhd );
1601 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1603 mp4_stream_t *p_stream;
1604 uint32_t i_timescale;
1606 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1607 bo_t *minf, *dinf, *dref, *url, *stbl;
1609 p_stream = p_sys->pp_streams[i_trak];
1611 if( p_stream->fmt.i_cat == AUDIO_ES )
1612 i_timescale = p_stream->fmt.audio.i_rate;
1616 /* *** add /moov/trak *** */
1617 trak = box_new( "trak" );
1619 /* *** add /moov/trak/tkhd *** */
1620 if( !p_sys->b_64_ext )
1623 tkhd = box_full_new( "tkhd", 0, 0x0f );
1625 tkhd = box_full_new( "tkhd", 0, 1 );
1627 bo_add_32be( tkhd, get_timestamp() ); // creation time
1628 bo_add_32be( tkhd, get_timestamp() ); // modification time
1629 bo_add_32be( tkhd, p_stream->i_track_id );
1630 bo_add_32be( tkhd, 0 ); // reserved 0
1631 bo_add_32be( tkhd, p_stream->i_duration *
1632 (int64_t)i_movie_timescale /
1633 (mtime_t)1000000 ); // duration
1638 tkhd = box_full_new( "tkhd", 1, 0x0f );
1640 tkhd = box_full_new( "tkhd", 1, 1 );
1642 bo_add_64be( tkhd, get_timestamp() ); // creation time
1643 bo_add_64be( tkhd, get_timestamp() ); // modification time
1644 bo_add_32be( tkhd, p_stream->i_track_id );
1645 bo_add_32be( tkhd, 0 ); // reserved 0
1646 bo_add_64be( tkhd, p_stream->i_duration *
1647 (int64_t)i_movie_timescale /
1648 (mtime_t)1000000 ); // duration
1651 for( i = 0; i < 2; i++ )
1653 bo_add_32be( tkhd, 0 ); // reserved
1655 bo_add_16be( tkhd, 0 ); // layer
1656 bo_add_16be( tkhd, 0 ); // pre-defined
1658 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1659 bo_add_16be( tkhd, 0 ); // reserved
1660 for( i = 0; i < 9; i++ )
1662 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1664 if( p_stream->fmt.i_cat == AUDIO_ES )
1666 bo_add_32be( tkhd, 0 ); // width (presentation)
1667 bo_add_32be( tkhd, 0 ); // height(presentation)
1669 else if( p_stream->fmt.i_cat == VIDEO_ES )
1671 int i_width = p_stream->fmt.video.i_width << 16;
1672 if( p_stream->fmt.video.i_aspect > 0 )
1674 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1675 ((int64_t)p_stream->fmt.video.i_height << 16) /
1678 // width (presentation)
1679 bo_add_32be( tkhd, i_width );
1680 // height(presentation)
1681 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1685 int i_width = 320 << 16;
1688 for( i = 0; i < p_sys->i_nb_streams; i++ )
1690 mp4_stream_t *tk = p_sys->pp_streams[i];
1691 if( tk->fmt.i_cat == VIDEO_ES )
1693 if( p_stream->fmt.video.i_aspect )
1694 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1695 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1697 i_width = p_stream->fmt.video.i_width << 16;
1698 i_height = p_stream->fmt.video.i_height;
1702 bo_add_32be( tkhd, i_width ); // width (presentation)
1703 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1707 box_gather( trak, tkhd );
1709 /* *** add /moov/trak/edts and elst */
1710 edts = box_new( "edts" );
1711 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1712 if( p_stream->i_dts_start > p_sys->i_dts_start )
1714 bo_add_32be( elst, 2 );
1716 if( p_sys->b_64_ext )
1718 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1719 i_movie_timescale / INT64_C(1000000) );
1720 bo_add_64be( elst, -1 );
1724 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1725 i_movie_timescale / INT64_C(1000000) );
1726 bo_add_32be( elst, -1 );
1728 bo_add_16be( elst, 1 );
1729 bo_add_16be( elst, 0 );
1733 bo_add_32be( elst, 1 );
1735 if( p_sys->b_64_ext )
1737 bo_add_64be( elst, p_stream->i_duration *
1738 i_movie_timescale / INT64_C(1000000) );
1739 bo_add_64be( elst, 0 );
1743 bo_add_32be( elst, p_stream->i_duration *
1744 i_movie_timescale / INT64_C(1000000) );
1745 bo_add_32be( elst, 0 );
1747 bo_add_16be( elst, 1 );
1748 bo_add_16be( elst, 0 );
1751 box_gather( edts, elst );
1753 box_gather( trak, edts );
1755 /* *** add /moov/trak/mdia *** */
1756 mdia = box_new( "mdia" );
1759 if( !p_sys->b_64_ext )
1761 mdhd = box_full_new( "mdhd", 0, 0 );
1762 bo_add_32be( mdhd, get_timestamp() ); // creation time
1763 bo_add_32be( mdhd, get_timestamp() ); // modification time
1764 bo_add_32be( mdhd, i_timescale); // timescale
1765 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1766 (mtime_t)1000000 ); // duration
1770 mdhd = box_full_new( "mdhd", 1, 0 );
1771 bo_add_64be( mdhd, get_timestamp() ); // creation time
1772 bo_add_64be( mdhd, get_timestamp() ); // modification time
1773 bo_add_32be( mdhd, i_timescale); // timescale
1774 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1775 (mtime_t)1000000 ); // duration
1778 if( p_stream->fmt.psz_language )
1780 char *psz = p_stream->fmt.psz_language;
1781 const iso639_lang_t *pl = NULL;
1782 uint16_t lang = 0x0;
1784 if( strlen( psz ) == 2 )
1786 pl = GetLang_1( psz );
1788 else if( strlen( psz ) == 3 )
1790 pl = GetLang_2B( psz );
1791 if( !strcmp( pl->psz_iso639_1, "??" ) )
1793 pl = GetLang_2T( psz );
1796 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1798 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1799 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1800 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1802 bo_add_16be( mdhd, lang ); // language
1806 bo_add_16be( mdhd, 0 ); // language
1808 bo_add_16be( mdhd, 0 ); // predefined
1810 box_gather( mdia, mdhd );
1812 /* handler reference */
1813 hdlr = box_full_new( "hdlr", 0, 0 );
1816 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1818 bo_add_32be( hdlr, 0 );
1820 if( p_stream->fmt.i_cat == AUDIO_ES )
1821 bo_add_fourcc( hdlr, "soun" );
1822 else if( p_stream->fmt.i_cat == VIDEO_ES )
1823 bo_add_fourcc( hdlr, "vide" );
1824 else if( p_stream->fmt.i_cat == SPU_ES )
1825 bo_add_fourcc( hdlr, "text" );
1827 bo_add_32be( hdlr, 0 ); // reserved
1828 bo_add_32be( hdlr, 0 ); // reserved
1829 bo_add_32be( hdlr, 0 ); // reserved
1832 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1834 if( p_stream->fmt.i_cat == AUDIO_ES )
1835 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1836 else if( p_stream->fmt.i_cat == VIDEO_ES )
1837 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1839 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1842 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1845 box_gather( mdia, hdlr );
1848 minf = box_new( "minf" );
1851 if( p_stream->fmt.i_cat == AUDIO_ES )
1855 smhd = box_full_new( "smhd", 0, 0 );
1856 bo_add_16be( smhd, 0 ); // balance
1857 bo_add_16be( smhd, 0 ); // reserved
1860 box_gather( minf, smhd );
1862 else if( p_stream->fmt.i_cat == VIDEO_ES )
1866 vmhd = box_full_new( "vmhd", 0, 1 );
1867 bo_add_16be( vmhd, 0 ); // graphicsmode
1868 for( i = 0; i < 3; i++ )
1870 bo_add_16be( vmhd, 0 ); // opcolor
1874 box_gather( minf, vmhd );
1876 else if( p_stream->fmt.i_cat == SPU_ES )
1878 bo_t *gmhd = box_new( "gmhd" );
1879 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1881 bo_add_16be( gmin, 0 ); // graphicsmode
1882 for( i = 0; i < 3; i++ )
1884 bo_add_16be( gmin, 0 ); // opcolor
1886 bo_add_16be( gmin, 0 ); // balance
1887 bo_add_16be( gmin, 0 ); // reserved
1890 box_gather( gmhd, gmin );
1893 box_gather( minf, gmhd );
1897 dinf = box_new( "dinf" );
1898 dref = box_full_new( "dref", 0, 0 );
1899 bo_add_32be( dref, 1 );
1900 url = box_full_new( "url ", 0, 0x01 );
1902 box_gather( dref, url );
1904 box_gather( dinf, dref );
1906 /* append dinf to mdia */
1908 box_gather( minf, dinf );
1911 stbl = GetStblBox( p_mux, p_stream );
1913 /* append stbl to minf */
1914 p_stream->i_stco_pos += minf->i_buffer;
1915 box_gather( minf, stbl );
1917 /* append minf to mdia */
1919 p_stream->i_stco_pos += mdia->i_buffer;
1920 box_gather( mdia, minf );
1922 /* append mdia to trak */
1924 p_stream->i_stco_pos += trak->i_buffer;
1925 box_gather( trak, mdia );
1927 /* append trak to moov */
1929 p_stream->i_stco_pos += moov->i_buffer;
1930 box_gather( moov, trak );
1933 /* Add user data tags */
1934 box_gather( moov, GetUdtaTag( p_mux ) );
1940 /****************************************************************************/
1942 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1947 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1948 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1952 p_bo->i_buffer_size = i_size;
1953 p_bo->p_buffer = p_buffer;
1956 p_bo->b_grow = b_grow;
1960 static void bo_add_8( bo_t *p_bo, uint8_t i )
1962 if( p_bo->i_buffer < p_bo->i_buffer_size )
1964 p_bo->p_buffer[p_bo->i_buffer] = i;
1966 else if( p_bo->b_grow )
1968 p_bo->i_buffer_size += 1024;
1969 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1971 p_bo->p_buffer[p_bo->i_buffer] = i;
1977 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1979 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1980 bo_add_8( p_bo, i &0xff );
1983 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1985 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1986 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1987 bo_add_8( p_bo, ( i &0xff ) );
1989 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1991 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1992 bo_add_16be( p_bo, i &0xffff );
1995 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1997 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1998 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1999 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
2000 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
2003 static void bo_add_64be( bo_t *p_bo, uint64_t i )
2005 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
2006 bo_add_32be( p_bo, i &0xffffffff );
2009 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
2011 bo_add_8( p_bo, fcc[0] );
2012 bo_add_8( p_bo, fcc[1] );
2013 bo_add_8( p_bo, fcc[2] );
2014 bo_add_8( p_bo, fcc[3] );
2017 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2021 for( i = 0; i < i_size; i++ )
2023 bo_add_8( p_bo, p_mem[i] );
2027 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2033 vals[3] = (unsigned char)(i_length & 0x7f);
2035 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2037 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2039 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2041 bo_add_8( p_bo, tag );
2043 if( i_size < 0x00000080 )
2045 bo_add_8( p_bo, vals[3] );
2047 else if( i_size < 0x00004000 )
2049 bo_add_8( p_bo, vals[2] );
2050 bo_add_8( p_bo, vals[3] );
2052 else if( i_size < 0x00200000 )
2054 bo_add_8( p_bo, vals[1] );
2055 bo_add_8( p_bo, vals[2] );
2056 bo_add_8( p_bo, vals[3] );
2058 else if( i_size < 0x10000000 )
2060 bo_add_8( p_bo, vals[0] );
2061 bo_add_8( p_bo, vals[1] );
2062 bo_add_8( p_bo, vals[2] );
2063 bo_add_8( p_bo, vals[3] );
2067 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2071 for( i = 0; i < p_bo2->i_buffer; i++ )
2073 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2077 static bo_t * box_new( const char *fcc )
2081 if( ( box = malloc( sizeof( bo_t ) ) ) )
2083 bo_init( box, 0, NULL, true );
2085 bo_add_32be ( box, 0 );
2086 bo_add_fourcc( box, fcc );
2092 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2096 if( ( box = malloc( sizeof( bo_t ) ) ) )
2098 bo_init( box, 0, NULL, true );
2100 bo_add_32be ( box, 0 );
2101 bo_add_fourcc( box, fcc );
2102 bo_add_8 ( box, v );
2103 bo_add_24be ( box, f );
2109 static void box_fix( bo_t *box )
2113 memcpy( &box_tmp, box, sizeof( bo_t ) );
2115 box_tmp.i_buffer = 0;
2116 bo_add_32be( &box_tmp, box->i_buffer );
2119 static void box_free( bo_t *box )
2121 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