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 *****************************************************************************/
32 #include <vlc/input.h>
42 /*****************************************************************************
44 *****************************************************************************/
45 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
46 #define FASTSTART_LONGTEXT N_( \
47 "Create \"Fast Start\" files. " \
48 "\"Fast Start\" files are optimized for downloads and allow the user " \
49 "to start previewing the file while it is downloading.")
51 static int Open ( vlc_object_t * );
52 static void Close ( vlc_object_t * );
54 #define SOUT_CFG_PREFIX "sout-mp4-"
57 set_description( _("MP4/MOV muxer") );
58 set_category( CAT_SOUT );
59 set_subcategory( SUBCAT_SOUT_MUX );
60 set_shortname( "MP4" );
62 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
63 FASTSTART_TEXT, FASTSTART_LONGTEXT,
65 set_capability( "sout mux", 5 );
66 add_shortcut( "mp4" );
67 add_shortcut( "mov" );
68 add_shortcut( "3gp" );
69 set_callbacks( Open, Close );
72 /*****************************************************************************
74 *****************************************************************************/
75 static const char *ppsz_sout_options[] = {
79 static int Control( sout_mux_t *, int, va_list );
80 static int AddStream( sout_mux_t *, sout_input_t * );
81 static int DelStream( sout_mux_t *, sout_input_t * );
82 static int Mux ( sout_mux_t * );
84 /*****************************************************************************
86 *****************************************************************************/
104 unsigned int i_entry_count;
105 unsigned int i_entry_max;
107 int64_t i_length_neg;
113 /* for later stco fix-up (fast start files) */
121 int i_profile_compat;
135 struct sout_mux_sys_t
140 vlc_bool_t b_fast_start;
148 mp4_stream_t **pp_streams;
161 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
162 static void bo_add_8 ( bo_t *, uint8_t );
163 static void bo_add_16be ( bo_t *, uint16_t );
164 static void bo_add_24be ( bo_t *, uint32_t );
165 static void bo_add_32be ( bo_t *, uint32_t );
166 static void bo_add_64be ( bo_t *, uint64_t );
167 static void bo_add_fourcc(bo_t *, char * );
168 static void bo_add_bo ( bo_t *, bo_t * );
169 static void bo_add_mem ( bo_t *, int , uint8_t * );
170 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
172 static void bo_fix_32be ( bo_t *, int , uint32_t );
174 static bo_t *box_new ( char *fcc );
175 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
176 static void box_fix ( bo_t *box );
177 static void box_free ( bo_t *box );
178 static void box_gather ( bo_t *box, bo_t *box2 );
180 static void box_send( sout_mux_t *p_mux, bo_t *box );
182 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
184 static bo_t *GetMoovBox( sout_mux_t *p_mux );
186 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
187 static void ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
189 /*****************************************************************************
191 *****************************************************************************/
192 static int Open( vlc_object_t *p_this )
194 sout_mux_t *p_mux = (sout_mux_t*)p_this;
195 sout_mux_sys_t *p_sys;
198 msg_Dbg( p_mux, "Mp4 muxer opend" );
199 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
201 p_mux->pf_control = Control;
202 p_mux->pf_addstream = AddStream;
203 p_mux->pf_delstream = DelStream;
205 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
207 p_sys->i_nb_streams = 0;
208 p_sys->pp_streams = NULL;
209 p_sys->i_mdat_pos = 0;
210 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
211 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
212 p_sys->i_dts_start = 0;
217 /* Now add ftyp header */
218 box = box_new( "ftyp" );
219 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
220 else bo_add_fourcc( box, "isom" );
221 bo_add_32be ( box, 0 );
222 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
223 else bo_add_fourcc( box, "mp41" );
226 p_sys->i_pos += box->i_buffer;
227 p_sys->i_mdat_pos = p_sys->i_pos;
229 box_send( p_mux, box );
233 * Quicktime actually doesn't like the 64 bits extensions !!! */
234 p_sys->b_64_ext = VLC_FALSE;
236 /* Now add mdat header */
237 box = box_new( "mdat" );
238 bo_add_64be ( box, 0 ); // enough to store an extended size
240 p_sys->i_pos += box->i_buffer;
242 box_send( p_mux, box );
247 /*****************************************************************************
249 *****************************************************************************/
250 static void Close( vlc_object_t * p_this )
252 sout_mux_t *p_mux = (sout_mux_t*)p_this;
253 sout_mux_sys_t *p_sys = p_mux->p_sys;
261 msg_Dbg( p_mux, "Close" );
263 /* Update mdat size */
264 bo_init( &bo, 0, NULL, VLC_TRUE );
265 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
268 bo_add_32be ( &bo, 1 );
269 bo_add_fourcc( &bo, "mdat" );
270 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
274 bo_add_32be ( &bo, 8 );
275 bo_add_fourcc( &bo, "wide" );
276 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
277 bo_add_fourcc( &bo, "mdat" );
279 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
282 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
283 sout_AccessOutWrite( p_mux->p_access, p_hdr );
285 /* Create MOOV header */
286 i_moov_pos = p_sys->i_pos;
287 moov = GetMoovBox( p_mux );
289 /* Check we need to create "fast start" files */
290 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
291 p_sys->b_fast_start = val.b_bool;
292 while( p_sys->b_fast_start )
294 /* Move data to the end of the file so we can fit the moov header
297 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
298 int i_moov_size = moov->i_buffer;
302 i_chunk = __MIN( 32768, i_size );
303 p_buf = block_New( p_mux, i_chunk );
304 sout_AccessOutSeek( p_mux->p_access,
305 p_sys->i_mdat_pos + i_size - i_chunk );
306 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
308 msg_Warn( p_this, "read() not supported by access output, "
309 "won't create a fast start file" );
310 p_sys->b_fast_start = VLC_FALSE;
311 block_Release( p_buf );
314 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
315 i_moov_size - i_chunk );
316 sout_AccessOutWrite( p_mux->p_access, p_buf );
320 if( !p_sys->b_fast_start ) break;
322 /* Fix-up samples to chunks table in MOOV header */
323 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
325 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
329 moov->i_buffer = p_stream->i_stco_pos;
330 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
332 if( p_stream->b_stco64 )
333 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
335 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
337 while( i < p_stream->i_entry_count )
339 if( i + 1 < p_stream->i_entry_count &&
340 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
341 != p_stream->entry[i + 1].i_pos )
352 moov->i_buffer = i_moov_size;
353 i_moov_pos = p_sys->i_mdat_pos;
354 p_sys->b_fast_start = VLC_FALSE;
357 /* Write MOOV header */
358 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
359 box_send( p_mux, moov );
362 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
364 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
366 es_format_Clean( &p_stream->fmt );
367 if( p_stream->avc.i_sps ) free( p_stream->avc.sps );
368 if( p_stream->avc.i_pps ) free( p_stream->avc.pps );
369 free( p_stream->entry );
372 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
376 /*****************************************************************************
378 *****************************************************************************/
379 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
385 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
386 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
387 *pb_bool = VLC_FALSE;
390 case MUX_GET_ADD_STREAM_WAIT:
391 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
395 case MUX_GET_MIME: /* Not needed, as not streamable */
401 /*****************************************************************************
403 *****************************************************************************/
404 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
406 sout_mux_sys_t *p_sys = p_mux->p_sys;
407 mp4_stream_t *p_stream;
409 switch( p_input->p_fmt->i_codec )
411 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
412 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
413 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
414 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
415 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
416 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
417 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
418 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
419 case VLC_FOURCC( 'H', '2', '6', '3' ):
420 case VLC_FOURCC( 'h', '2', '6', '4' ):
421 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
422 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
424 case VLC_FOURCC( 's', 'u', 'b', 't' ):
425 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
428 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
429 (char*)&p_input->p_fmt->i_codec );
433 p_stream = malloc( sizeof( mp4_stream_t ) );
434 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
435 p_stream->i_track_id = p_sys->i_nb_streams + 1;
436 p_stream->i_length_neg = 0;
437 p_stream->i_entry_count = 0;
438 p_stream->i_entry_max = 1000;
440 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
441 p_stream->i_dts_start = 0;
442 p_stream->i_duration = 0;
443 p_stream->avc.i_profile = 77;
444 p_stream->avc.i_profile_compat = 64;
445 p_stream->avc.i_level = 30;
446 p_stream->avc.i_sps = 0;
447 p_stream->avc.sps = NULL;
448 p_stream->avc.i_pps = 0;
449 p_stream->avc.pps = NULL;
451 p_input->p_sys = p_stream;
453 msg_Dbg( p_mux, "adding input" );
455 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
459 /*****************************************************************************
461 *****************************************************************************/
462 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
464 msg_Dbg( p_mux, "removing input" );
468 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
474 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
476 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
479 if( p_fifo->i_depth <= 1 )
481 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
483 return -1; // wait that all fifo have at least 2 packets
485 /* For SPU, we wait only 1 packet */
489 p_buf = block_FifoShow( p_fifo );
490 if( i_stream < 0 || p_buf->i_dts < i_dts )
492 i_dts = p_buf->i_dts;
498 *pi_stream = i_stream;
507 /*****************************************************************************
509 *****************************************************************************/
510 static int Mux( sout_mux_t *p_mux )
512 sout_mux_sys_t *p_sys = p_mux->p_sys;
516 sout_input_t *p_input;
518 mp4_stream_t *p_stream;
522 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
524 return( VLC_SUCCESS );
527 p_input = p_mux->pp_inputs[i_stream];
528 p_stream = (mp4_stream_t*)p_input->p_sys;
530 p_data = block_FifoGet( p_input->p_fifo );
531 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
533 ConvertAVC1( p_mux, p_stream, p_data );
535 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
537 p_data = ConvertSUBT( p_mux, p_stream, p_data );
540 if( p_stream->fmt.i_cat != SPU_ES )
542 /* Fix length of the sample */
543 if( p_input->p_fifo->i_depth > 0 )
545 block_t *p_next = block_FifoShow( p_input->p_fifo );
546 int64_t i_diff = p_next->i_dts - p_data->i_dts;
548 if( i_diff < I64C(1000000 ) ) /* protection */
550 p_data->i_length = i_diff;
553 if( p_data->i_length <= 0 )
555 msg_Warn( p_mux, "i_length <= 0" );
556 p_stream->i_length_neg += p_data->i_length - 1;
557 p_data->i_length = 1;
559 else if( p_stream->i_length_neg < 0 )
561 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
563 p_data->i_length -= i_recover;
564 p_stream->i_length_neg += i_recover;
568 /* Save starting time */
569 if( p_stream->i_entry_count == 0 )
571 p_stream->i_dts_start = p_data->i_dts;
573 /* Update global dts_start */
574 if( p_sys->i_dts_start <= 0 ||
575 p_stream->i_dts_start < p_sys->i_dts_start )
577 p_sys->i_dts_start = p_stream->i_dts_start;
581 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
583 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
587 /* FIXME handle this broken case */
592 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
594 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
599 /* add index entry */
600 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
601 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
602 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
603 __MAX( p_data->i_pts - p_data->i_dts, 0 );
604 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
605 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
607 p_stream->i_entry_count++;
608 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
609 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
611 p_stream->i_entry_max += 1000;
613 realloc( p_stream->entry,
614 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
618 p_stream->i_duration += p_data->i_length;
619 p_sys->i_pos += p_data->i_buffer;
622 p_stream->i_last_dts = p_data->i_dts;
625 sout_AccessOutWrite( p_mux->p_access, p_data );
627 if( p_stream->fmt.i_cat == SPU_ES )
629 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
634 msg_Dbg( p_mux, "writing an empty sub" ) ;
636 /* Append a idx entry */
637 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
638 p_stream->entry[p_stream->i_entry_count].i_size = 3;
639 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
640 p_stream->entry[p_stream->i_entry_count].i_length = 0;
641 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
643 /* XXX: No need to grow the entry here */
644 p_stream->i_entry_count++;
647 p_stream->i_last_dts += i_length;
650 p_data = block_New( p_mux, 3 );
651 p_data->p_buffer[0] = 0;
652 p_data->p_buffer[1] = 1;
653 p_data->p_buffer[2] = ' ';
655 p_sys->i_pos += p_data->i_buffer;
657 sout_AccessOutWrite( p_mux->p_access, p_data );
661 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
665 return( VLC_SUCCESS );
668 /*****************************************************************************
670 *****************************************************************************/
671 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
673 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
675 /* No trailling '\0' */
676 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
679 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
680 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
685 static void ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
687 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
688 uint8_t *dat = &p_block->p_buffer[4];
689 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
692 /* Replace the 4 bytes start code with 4 bytes size,
693 * FIXME are all startcodes 4 bytes ? (I don't think :( */
698 while( dat < end - 4 )
700 if( dat[0] == 0x00 && dat[1] == 0x00 &&
701 dat[2] == 0x00 && dat[3] == 0x01 )
713 i_size = dat - &last[4];
714 last[0] = ( i_size >> 24 )&0xff;
715 last[1] = ( i_size >> 16 )&0xff;
716 last[2] = ( i_size >> 8 )&0xff;
717 last[3] = ( i_size )&0xff;
719 if( (last[4]&0x1f) == 7 && tk->avc.i_sps <= 0 ) /* SPS */
721 tk->avc.i_sps = i_size;
722 tk->avc.sps = malloc( i_size );
723 memcpy( tk->avc.sps, &last[4], i_size );
725 tk->avc.i_profile = tk->avc.sps[1];
726 tk->avc.i_profile = tk->avc.sps[2];
727 tk->avc.i_level = tk->avc.sps[3];
729 else if( (last[4]&0x1f) == 8 && tk->avc.i_pps <= 0 ) /* PPS */
731 tk->avc.i_pps = i_size;
732 tk->avc.pps = malloc( i_size );
733 memcpy( tk->avc.pps, &last[4], i_size );
742 static int GetDescrLength( int i_size )
744 if( i_size < 0x00000080 )
746 else if( i_size < 0x00004000 )
748 else if( i_size < 0x00200000 )
754 static bo_t *GetESDS( mp4_stream_t *p_stream )
758 int i_object_type_indication;
759 int i_decoder_specific_info_size;
761 int64_t i_bitrate_avg = 0;
762 int64_t i_bitrate_max = 0;
764 /* Compute avg/max bitrate */
765 for( i = 0; i < p_stream->i_entry_count; i++ )
767 i_bitrate_avg += p_stream->entry[i].i_size;
768 if( p_stream->entry[i].i_length > 0)
770 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
771 if( i_bitrate > i_bitrate_max )
772 i_bitrate_max = i_bitrate;
776 if( p_stream->i_duration > 0 )
777 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
780 if( i_bitrate_max <= 1 )
781 i_bitrate_max = 0x7fffffff;
784 if( p_stream->fmt.i_extra > 0 )
786 i_decoder_specific_info_size =
787 GetDescrLength( p_stream->fmt.i_extra );
791 i_decoder_specific_info_size = 0;
794 esds = box_full_new( "esds", 0, 0 );
797 bo_add_descr( esds, 0x03, 3 +
798 GetDescrLength( 13 + i_decoder_specific_info_size ) +
799 GetDescrLength( 1 ) );
800 bo_add_16be( esds, p_stream->i_track_id );
801 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
803 /* DecoderConfigDescr */
804 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
806 switch( p_stream->fmt.i_codec )
808 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
809 i_object_type_indication = 0x20;
811 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
812 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
813 i_object_type_indication = 0x60;
815 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
816 /* FIXME for mpeg2-aac == 0x66->0x68 */
817 i_object_type_indication = 0x40;
819 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
820 i_object_type_indication =
821 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
824 i_object_type_indication = 0x00;
827 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
829 bo_add_8 ( esds, i_object_type_indication );
830 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
831 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
832 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
833 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
835 if( p_stream->fmt.i_extra > 0 )
839 /* DecoderSpecificInfo */
840 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
842 for( i = 0; i < p_stream->fmt.i_extra; i++ )
844 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
848 /* SL_Descr mandatory */
849 bo_add_descr( esds, 0x06, 1 );
850 bo_add_8 ( esds, 0x02 ); // sl_predefined
857 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
862 wave = box_new( "wave" );
864 box = box_new( "frma" );
865 bo_add_fourcc( box, "mp4a" );
867 box_gather( wave, box );
869 box = box_new( "mp4a" );
870 bo_add_32be( box, 0 );
872 box_gather( wave, box );
874 box = GetESDS( p_stream );
876 box_gather( wave, box );
878 box = box_new( "srcq" );
879 bo_add_32be( box, 0x40 );
881 box_gather( wave, box );
884 bo_add_32be( wave, 8 ); /* new empty box */
885 bo_add_32be( wave, 0 ); /* box label */
892 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
896 damr = box_new( "damr" );
898 bo_add_fourcc( damr, "REFC" );
901 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
902 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
904 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
905 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
912 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
916 d263 = box_new( "d263" );
918 bo_add_fourcc( d263, "VLC " );
919 bo_add_16be( d263, 0xa );
927 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
931 /* FIXME use better value */
932 avcC = box_new( "avcC" );
933 bo_add_8( avcC, 1 ); /* configuration version */
934 bo_add_8( avcC, p_stream->avc.i_profile );
935 bo_add_8( avcC, p_stream->avc.i_profile_compat );
936 bo_add_8( avcC, p_stream->avc.i_level ); /* level, 5.1 */
937 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
939 bo_add_8( avcC, 0xe0 | (p_stream->avc.i_sps > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
940 if( p_stream->avc.i_sps > 0 )
942 bo_add_16be( avcC, p_stream->avc.i_sps );
943 bo_add_mem( avcC, p_stream->avc.i_sps, p_stream->avc.sps );
946 bo_add_8( avcC, (p_stream->avc.i_pps > 0 ? 1 : 0) ); /* pps_count */
947 if( p_stream->avc.i_pps > 0 )
949 bo_add_16be( avcC, p_stream->avc.i_pps );
950 bo_add_mem( avcC, p_stream->avc.i_pps, p_stream->avc.pps );
957 /* TODO: No idea about these values */
958 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
960 bo_t *smi = box_new( "SMI " );
962 if( p_stream->fmt.i_extra > 0x4e )
964 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
965 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
967 while( p + 8 < p_end )
969 int i_size = GetDWBE( p );
972 /* FIXME handle 1 as long size */
975 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
977 bo_add_mem( smi, p_end - p - 8, &p[8] );
984 /* Create a dummy one in fallback */
985 bo_add_fourcc( smi, "SEQH" );
986 bo_add_32be( smi, 0x5 );
987 bo_add_32be( smi, 0xe2c0211d );
988 bo_add_8( smi, 0xc0 );
994 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
996 sout_mux_sys_t *p_sys = p_mux->p_sys;
997 bo_t *udta = box_new( "udta" );
998 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1002 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1004 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1006 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1007 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1009 bo_t *box = box_new( "\251req" );
1011 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1012 bo_add_16be( box, 0 );
1013 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1014 (uint8_t *)"QuickTime 6.0 or greater" );
1016 box_gather( udta, box );
1023 bo_t *box = box_new( "\251enc" );
1025 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1026 bo_add_16be( box, 0 );
1027 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1028 (uint8_t*)PACKAGE_STRING " stream output" );
1030 box_gather( udta, box );
1036 #define ADD_META_BOX( type, box_string ) { \
1038 if( p_meta->psz_##type ) box = box_new( "\251" box_string ); \
1041 bo_add_16be( box, strlen( p_meta->psz_##type ) ); \
1042 bo_add_16be( box, 0 ); \
1043 bo_add_mem( box, strlen( p_meta->psz_##type ), \
1044 (uint8_t*)(p_meta->psz_##type ) ); \
1046 box_gather( udta, box ); \
1049 ADD_META_BOX( title, "nam" );
1050 ADD_META_BOX( artist, "ART" );
1051 ADD_META_BOX( genre, "gen" );
1052 ADD_META_BOX( copyright, "cpy" );
1053 ADD_META_BOX( description, "des" );
1054 ADD_META_BOX( date, "day" );
1055 ADD_META_BOX( url, "url" );
1063 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1065 sout_mux_sys_t *p_sys = p_mux->p_sys;
1066 vlc_bool_t b_descr = VLC_FALSE;
1071 switch( p_stream->fmt.i_codec )
1073 case VLC_FOURCC('m','p','4','a'):
1074 memcpy( fcc, "mp4a", 4 );
1078 case VLC_FOURCC('s','a','m','r'):
1079 case VLC_FOURCC('s','a','w','b'):
1080 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1084 case VLC_FOURCC('m','p','g','a'):
1086 memcpy( fcc, ".mp3", 4 );
1089 memcpy( fcc, "mp4a", 4 );
1095 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1099 soun = box_new( fcc );
1100 for( i = 0; i < 6; i++ )
1102 bo_add_8( soun, 0 ); // reserved;
1104 bo_add_16be( soun, 1 ); // data-reference-index
1106 /* SoundDescription */
1108 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1110 bo_add_16be( soun, 1 ); // version 1;
1114 bo_add_16be( soun, 0 ); // version 0;
1116 bo_add_16be( soun, 0 ); // revision level (0)
1117 bo_add_32be( soun, 0 ); // vendor
1119 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1121 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1122 p_stream->fmt.audio.i_bitspersample : 16 );
1123 bo_add_16be( soun, -2 ); // compression id
1124 bo_add_16be( soun, 0 ); // packet size (0)
1125 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1126 bo_add_16be( soun, 0 ); // sampleratelo
1128 /* Extended data for SoundDescription V1 */
1130 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1132 /* samples per packet */
1133 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1134 bo_add_32be( soun, 1536 ); /* bytes per packet */
1135 bo_add_32be( soun, 2 ); /* bytes per frame */
1136 /* bytes per sample */
1137 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1140 /* Add an ES Descriptor */
1146 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1148 box = GetWaveTag( p_stream );
1150 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1152 box = GetDamrTag( p_stream );
1156 box = GetESDS( p_stream );
1159 box_gather( soun, box );
1167 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1174 switch( p_stream->fmt.i_codec )
1176 case VLC_FOURCC('m','p','4','v'):
1177 case VLC_FOURCC('m','p','g','v'):
1178 memcpy( fcc, "mp4v", 4 );
1181 case VLC_FOURCC('M','J','P','G'):
1182 memcpy( fcc, "mjpa", 4 );
1185 case VLC_FOURCC('S','V','Q','1'):
1186 memcpy( fcc, "SVQ1", 4 );
1189 case VLC_FOURCC('S','V','Q','3'):
1190 memcpy( fcc, "SVQ3", 4 );
1193 case VLC_FOURCC('H','2','6','3'):
1194 memcpy( fcc, "s263", 4 );
1197 case VLC_FOURCC('h','2','6','4'):
1198 memcpy( fcc, "avc1", 4 );
1202 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1206 vide = box_new( fcc );
1207 for( i = 0; i < 6; i++ )
1209 bo_add_8( vide, 0 ); // reserved;
1211 bo_add_16be( vide, 1 ); // data-reference-index
1213 bo_add_16be( vide, 0 ); // predefined;
1214 bo_add_16be( vide, 0 ); // reserved;
1215 for( i = 0; i < 3; i++ )
1217 bo_add_32be( vide, 0 ); // predefined;
1220 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1221 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1223 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1224 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1226 bo_add_32be( vide, 0 ); // data size, always 0
1227 bo_add_16be( vide, 1 ); // frames count per sample
1230 for( i = 0; i < 32; i++ )
1232 bo_add_8( vide, 0 );
1235 bo_add_16be( vide, 0x18 ); // depth
1236 bo_add_16be( vide, 0xffff ); // predefined
1238 /* add an ES Descriptor */
1239 switch( p_stream->fmt.i_codec )
1241 case VLC_FOURCC('m','p','4','v'):
1242 case VLC_FOURCC('m','p','g','v'):
1244 bo_t *esds = GetESDS( p_stream );
1247 box_gather( vide, esds );
1251 case VLC_FOURCC('H','2','6','3'):
1253 bo_t *d263 = GetD263Tag( p_stream );
1256 box_gather( vide, d263 );
1260 case VLC_FOURCC('S','V','Q','3'):
1262 bo_t *esds = GetSVQ3Tag( p_stream );
1265 box_gather( vide, esds );
1269 case VLC_FOURCC('h','2','6','4'):
1270 box_gather( vide, GetAvcCTag( p_stream ) );
1282 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1285 bo_t *text = box_new( "text" );
1288 for( i = 0; i < 6; i++ )
1290 bo_add_8( text, 0 ); // reserved;
1292 bo_add_16be( text, 1 ); // data-reference-index
1294 bo_add_32be( text, 0 ); // display flags
1295 bo_add_32be( text, 0 ); // justification
1296 for( i = 0; i < 3; i++ )
1298 bo_add_16be( text, 0 ); // back ground color
1301 bo_add_16be( text, 0 ); // box text
1302 bo_add_16be( text, 0 ); // box text
1303 bo_add_16be( text, 0 ); // box text
1304 bo_add_16be( text, 0 ); // box text
1306 bo_add_64be( text, 0 ); // reserved
1307 for( i = 0; i < 3; i++ )
1309 bo_add_16be( text, 0xff ); // foreground color
1312 bo_add_8 ( text, 9 );
1313 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1320 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1322 sout_mux_sys_t *p_sys = p_mux->p_sys;
1323 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1324 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1325 uint32_t i_timescale;
1326 int64_t i_dts, i_dts_q;
1328 stbl = box_new( "stbl" );
1330 /* sample description */
1331 stsd = box_full_new( "stsd", 0, 0 );
1332 bo_add_32be( stsd, 1 );
1333 if( p_stream->fmt.i_cat == AUDIO_ES )
1335 bo_t *soun = GetSounBox( p_mux, p_stream );
1336 box_gather( stsd, soun );
1338 else if( p_stream->fmt.i_cat == VIDEO_ES )
1340 bo_t *vide = GetVideBox( p_mux, p_stream );
1341 box_gather( stsd, vide );
1343 else if( p_stream->fmt.i_cat == SPU_ES )
1345 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1349 /* chunk offset table */
1350 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1352 /* 64 bits version */
1353 p_stream->b_stco64 = VLC_TRUE;
1354 stco = box_full_new( "co64", 0, 0 );
1358 /* 32 bits version */
1359 p_stream->b_stco64 = VLC_FALSE;
1360 stco = box_full_new( "stco", 0, 0 );
1362 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1364 /* sample to chunk table */
1365 stsc = box_full_new( "stsc", 0, 0 );
1366 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1368 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1369 i < p_stream->i_entry_count; i_chunk++ )
1373 if( p_stream->b_stco64 )
1374 bo_add_64be( stco, p_stream->entry[i].i_pos );
1376 bo_add_32be( stco, p_stream->entry[i].i_pos );
1378 while( i < p_stream->i_entry_count )
1380 if( i + 1 < p_stream->i_entry_count &&
1381 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1382 != p_stream->entry[i + 1].i_pos )
1391 /* Add entry to the stsc table */
1392 if( i_stsc_last_val != i - i_first )
1394 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1395 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1396 bo_add_32be( stsc, 1 ); // sample-descr-index
1397 i_stsc_last_val = i - i_first;
1402 /* Fix stco entry count */
1403 bo_fix_32be( stco, 12, i_chunk );
1404 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1407 /* Fix stsc entry count */
1408 bo_fix_32be( stsc, 12, i_stsc_entries );
1412 stts = box_full_new( "stts", 0, 0 );
1413 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1415 if( p_stream->fmt.i_cat == AUDIO_ES )
1416 i_timescale = p_stream->fmt.audio.i_rate;
1420 /* first, create quantified length */
1421 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1423 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1424 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1426 i_dts += p_stream->entry[i].i_length;
1428 p_stream->entry[i].i_length =
1429 i_delta * (int64_t)i_timescale / I64C(1000000);
1431 i_dts_q += p_stream->entry[i].i_length;
1433 /* then write encoded table */
1434 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1437 int64_t i_delta = p_stream->entry[i].i_length;
1439 while( i < p_stream->i_entry_count )
1442 if( i >= p_stream->i_entry_count ||
1443 p_stream->entry[i].i_length != i_delta )
1449 bo_add_32be( stts, i - i_first ); // sample-count
1450 bo_add_32be( stts, i_delta ); // sample-delta
1452 bo_fix_32be( stts, 12, i_index );
1455 /* FIXME add ctts ?? FIXME */
1457 stsz = box_full_new( "stsz", 0, 0 );
1458 bo_add_32be( stsz, 0 ); // sample-size
1459 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1460 for( i = 0; i < p_stream->i_entry_count; i++ )
1462 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1466 /* create stss table */
1468 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1470 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1474 stss = box_full_new( "stss", 0, 0 );
1475 bo_add_32be( stss, 0 ); /* fixed later */
1477 bo_add_32be( stss, 1 + i );
1483 bo_fix_32be( stss, 12, i_index );
1487 /* Now gather all boxes into stbl */
1488 box_gather( stbl, stsd );
1489 box_gather( stbl, stts );
1492 box_gather( stbl, stss );
1494 box_gather( stbl, stsc );
1495 box_gather( stbl, stsz );
1496 p_stream->i_stco_pos = stbl->i_buffer + 16;
1497 box_gather( stbl, stco );
1505 static int64_t get_timestamp();
1507 static uint32_t mvhd_matrix[9] =
1508 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1510 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1512 sout_mux_sys_t *p_sys = p_mux->p_sys;
1517 uint32_t i_movie_timescale = 90000;
1518 int64_t i_movie_duration = 0;
1520 moov = box_new( "moov" );
1522 /* Create general info */
1523 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1525 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1526 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1528 msg_Dbg( p_mux, "movie duration %ds",
1529 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1531 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1533 /* *** add /moov/mvhd *** */
1534 if( !p_sys->b_64_ext )
1536 mvhd = box_full_new( "mvhd", 0, 0 );
1537 bo_add_32be( mvhd, get_timestamp() ); // creation time
1538 bo_add_32be( mvhd, get_timestamp() ); // modification time
1539 bo_add_32be( mvhd, i_movie_timescale); // timescale
1540 bo_add_32be( mvhd, i_movie_duration ); // duration
1544 mvhd = box_full_new( "mvhd", 1, 0 );
1545 bo_add_64be( mvhd, get_timestamp() ); // creation time
1546 bo_add_64be( mvhd, get_timestamp() ); // modification time
1547 bo_add_32be( mvhd, i_movie_timescale); // timescale
1548 bo_add_64be( mvhd, i_movie_duration ); // duration
1550 bo_add_32be( mvhd, 0x10000 ); // rate
1551 bo_add_16be( mvhd, 0x100 ); // volume
1552 bo_add_16be( mvhd, 0 ); // reserved
1553 for( i = 0; i < 2; i++ )
1555 bo_add_32be( mvhd, 0 ); // reserved
1557 for( i = 0; i < 9; i++ )
1559 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1561 for( i = 0; i < 6; i++ )
1563 bo_add_32be( mvhd, 0 ); // pre-defined
1566 /* Next available track id */
1567 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1570 box_gather( moov, mvhd );
1572 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1574 mp4_stream_t *p_stream;
1575 uint32_t i_timescale;
1577 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1578 bo_t *minf, *dinf, *dref, *url, *stbl;
1580 p_stream = p_sys->pp_streams[i_trak];
1582 if( p_stream->fmt.i_cat == AUDIO_ES )
1583 i_timescale = p_stream->fmt.audio.i_rate;
1587 /* *** add /moov/trak *** */
1588 trak = box_new( "trak" );
1590 /* *** add /moov/trak/tkhd *** */
1591 if( !p_sys->b_64_ext )
1594 tkhd = box_full_new( "tkhd", 0, 0x0f );
1596 tkhd = box_full_new( "tkhd", 0, 1 );
1598 bo_add_32be( tkhd, get_timestamp() ); // creation time
1599 bo_add_32be( tkhd, get_timestamp() ); // modification time
1600 bo_add_32be( tkhd, p_stream->i_track_id );
1601 bo_add_32be( tkhd, 0 ); // reserved 0
1602 bo_add_32be( tkhd, p_stream->i_duration *
1603 (int64_t)i_movie_timescale /
1604 (mtime_t)1000000 ); // duration
1609 tkhd = box_full_new( "tkhd", 1, 0x0f );
1611 tkhd = box_full_new( "tkhd", 1, 1 );
1613 bo_add_64be( tkhd, get_timestamp() ); // creation time
1614 bo_add_64be( tkhd, get_timestamp() ); // modification time
1615 bo_add_32be( tkhd, p_stream->i_track_id );
1616 bo_add_32be( tkhd, 0 ); // reserved 0
1617 bo_add_64be( tkhd, p_stream->i_duration *
1618 (int64_t)i_movie_timescale /
1619 (mtime_t)1000000 ); // duration
1622 for( i = 0; i < 2; i++ )
1624 bo_add_32be( tkhd, 0 ); // reserved
1626 bo_add_16be( tkhd, 0 ); // layer
1627 bo_add_16be( tkhd, 0 ); // pre-defined
1629 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1630 bo_add_16be( tkhd, 0 ); // reserved
1631 for( i = 0; i < 9; i++ )
1633 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1635 if( p_stream->fmt.i_cat == AUDIO_ES )
1637 bo_add_32be( tkhd, 0 ); // width (presentation)
1638 bo_add_32be( tkhd, 0 ); // height(presentation)
1640 else if( p_stream->fmt.i_cat == VIDEO_ES )
1642 int i_width = p_stream->fmt.video.i_width << 16;
1643 if( p_stream->fmt.video.i_aspect > 0 )
1645 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1646 ((int64_t)p_stream->fmt.video.i_height << 16) /
1649 // width (presentation)
1650 bo_add_32be( tkhd, i_width );
1651 // height(presentation)
1652 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1656 int i_width = 320 << 16;
1659 for( i = 0; i < p_sys->i_nb_streams; i++ )
1661 mp4_stream_t *tk = p_sys->pp_streams[i];
1662 if( tk->fmt.i_cat == VIDEO_ES )
1664 if( p_stream->fmt.video.i_aspect )
1665 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1666 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1668 i_width = p_stream->fmt.video.i_width << 16;
1669 i_height = p_stream->fmt.video.i_height;
1673 bo_add_32be( tkhd, i_width ); // width (presentation)
1674 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1678 box_gather( trak, tkhd );
1680 /* *** add /moov/trak/edts and elst */
1681 edts = box_new( "edts" );
1682 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1683 if( p_stream->i_dts_start > p_sys->i_dts_start )
1685 bo_add_32be( elst, 2 );
1687 if( p_sys->b_64_ext )
1689 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1690 i_movie_timescale / I64C(1000000) );
1691 bo_add_64be( elst, -1 );
1695 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1696 i_movie_timescale / I64C(1000000) );
1697 bo_add_32be( elst, -1 );
1699 bo_add_16be( elst, 1 );
1700 bo_add_16be( elst, 0 );
1704 bo_add_32be( elst, 1 );
1706 if( p_sys->b_64_ext )
1708 bo_add_64be( elst, p_stream->i_duration *
1709 i_movie_timescale / I64C(1000000) );
1710 bo_add_64be( elst, 0 );
1714 bo_add_32be( elst, p_stream->i_duration *
1715 i_movie_timescale / I64C(1000000) );
1716 bo_add_32be( elst, 0 );
1718 bo_add_16be( elst, 1 );
1719 bo_add_16be( elst, 0 );
1722 box_gather( edts, elst );
1724 box_gather( trak, edts );
1726 /* *** add /moov/trak/mdia *** */
1727 mdia = box_new( "mdia" );
1730 if( !p_sys->b_64_ext )
1732 mdhd = box_full_new( "mdhd", 0, 0 );
1733 bo_add_32be( mdhd, get_timestamp() ); // creation time
1734 bo_add_32be( mdhd, get_timestamp() ); // modification time
1735 bo_add_32be( mdhd, i_timescale); // timescale
1736 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1737 (mtime_t)1000000 ); // duration
1741 mdhd = box_full_new( "mdhd", 1, 0 );
1742 bo_add_64be( mdhd, get_timestamp() ); // creation time
1743 bo_add_64be( mdhd, get_timestamp() ); // modification time
1744 bo_add_32be( mdhd, i_timescale); // timescale
1745 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1746 (mtime_t)1000000 ); // duration
1749 if( p_stream->fmt.psz_language )
1751 char *psz = p_stream->fmt.psz_language;
1752 const iso639_lang_t *pl = NULL;
1753 uint16_t lang = 0x0;
1755 if( strlen( psz ) == 2 )
1757 pl = GetLang_1( psz );
1759 else if( strlen( psz ) == 3 )
1761 pl = GetLang_2B( psz );
1762 if( !strcmp( pl->psz_iso639_1, "??" ) )
1764 pl = GetLang_2T( psz );
1767 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1769 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1770 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1771 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1773 bo_add_16be( mdhd, lang ); // language
1777 bo_add_16be( mdhd, 0 ); // language
1779 bo_add_16be( mdhd, 0 ); // predefined
1781 box_gather( mdia, mdhd );
1783 /* handler reference */
1784 hdlr = box_full_new( "hdlr", 0, 0 );
1787 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1789 bo_add_32be( hdlr, 0 );
1791 if( p_stream->fmt.i_cat == AUDIO_ES )
1792 bo_add_fourcc( hdlr, "soun" );
1793 else if( p_stream->fmt.i_cat == VIDEO_ES )
1794 bo_add_fourcc( hdlr, "vide" );
1795 else if( p_stream->fmt.i_cat == SPU_ES )
1796 bo_add_fourcc( hdlr, "text" );
1798 bo_add_32be( hdlr, 0 ); // reserved
1799 bo_add_32be( hdlr, 0 ); // reserved
1800 bo_add_32be( hdlr, 0 ); // reserved
1803 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1805 if( p_stream->fmt.i_cat == AUDIO_ES )
1806 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1807 else if( p_stream->fmt.i_cat == VIDEO_ES )
1808 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1810 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1813 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1816 box_gather( mdia, hdlr );
1819 minf = box_new( "minf" );
1822 if( p_stream->fmt.i_cat == AUDIO_ES )
1826 smhd = box_full_new( "smhd", 0, 0 );
1827 bo_add_16be( smhd, 0 ); // balance
1828 bo_add_16be( smhd, 0 ); // reserved
1831 box_gather( minf, smhd );
1833 else if( p_stream->fmt.i_cat == VIDEO_ES )
1837 vmhd = box_full_new( "vmhd", 0, 1 );
1838 bo_add_16be( vmhd, 0 ); // graphicsmode
1839 for( i = 0; i < 3; i++ )
1841 bo_add_16be( vmhd, 0 ); // opcolor
1845 box_gather( minf, vmhd );
1847 else if( p_stream->fmt.i_cat == SPU_ES )
1849 bo_t *gmhd = box_new( "gmhd" );
1850 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1852 bo_add_16be( gmin, 0 ); // graphicsmode
1853 for( i = 0; i < 3; i++ )
1855 bo_add_16be( gmin, 0 ); // opcolor
1857 bo_add_16be( gmin, 0 ); // balance
1858 bo_add_16be( gmin, 0 ); // reserved
1861 box_gather( gmhd, gmin );
1864 box_gather( minf, gmhd );
1868 dinf = box_new( "dinf" );
1869 dref = box_full_new( "dref", 0, 0 );
1870 bo_add_32be( dref, 1 );
1871 url = box_full_new( "url ", 0, 0x01 );
1873 box_gather( dref, url );
1875 box_gather( dinf, dref );
1877 /* append dinf to mdia */
1879 box_gather( minf, dinf );
1882 stbl = GetStblBox( p_mux, p_stream );
1884 /* append stbl to minf */
1885 p_stream->i_stco_pos += minf->i_buffer;
1886 box_gather( minf, stbl );
1888 /* append minf to mdia */
1890 p_stream->i_stco_pos += mdia->i_buffer;
1891 box_gather( mdia, minf );
1893 /* append mdia to trak */
1895 p_stream->i_stco_pos += trak->i_buffer;
1896 box_gather( trak, mdia );
1898 /* append trak to moov */
1900 p_stream->i_stco_pos += moov->i_buffer;
1901 box_gather( moov, trak );
1904 /* Add user data tags */
1905 box_gather( moov, GetUdtaTag( p_mux ) );
1911 /****************************************************************************/
1913 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1918 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1919 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1923 p_bo->i_buffer_size = i_size;
1924 p_bo->p_buffer = p_buffer;
1927 p_bo->b_grow = b_grow;
1931 static void bo_add_8( bo_t *p_bo, uint8_t i )
1933 if( p_bo->i_buffer < p_bo->i_buffer_size )
1935 p_bo->p_buffer[p_bo->i_buffer] = i;
1937 else if( p_bo->b_grow )
1939 p_bo->i_buffer_size += 1024;
1940 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1942 p_bo->p_buffer[p_bo->i_buffer] = i;
1948 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1950 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1951 bo_add_8( p_bo, i &0xff );
1954 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1956 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1957 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1958 bo_add_8( p_bo, ( i &0xff ) );
1960 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1962 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1963 bo_add_16be( p_bo, i &0xffff );
1966 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1968 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1969 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1970 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1971 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1974 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1976 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1977 bo_add_32be( p_bo, i &0xffffffff );
1980 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1982 bo_add_8( p_bo, fcc[0] );
1983 bo_add_8( p_bo, fcc[1] );
1984 bo_add_8( p_bo, fcc[2] );
1985 bo_add_8( p_bo, fcc[3] );
1988 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1992 for( i = 0; i < i_size; i++ )
1994 bo_add_8( p_bo, p_mem[i] );
1998 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2004 vals[3] = (unsigned char)(i_length & 0x7f);
2006 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2008 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2010 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2012 bo_add_8( p_bo, tag );
2014 if( i_size < 0x00000080 )
2016 bo_add_8( p_bo, vals[3] );
2018 else if( i_size < 0x00004000 )
2020 bo_add_8( p_bo, vals[2] );
2021 bo_add_8( p_bo, vals[3] );
2023 else if( i_size < 0x00200000 )
2025 bo_add_8( p_bo, vals[1] );
2026 bo_add_8( p_bo, vals[2] );
2027 bo_add_8( p_bo, vals[3] );
2029 else if( i_size < 0x10000000 )
2031 bo_add_8( p_bo, vals[0] );
2032 bo_add_8( p_bo, vals[1] );
2033 bo_add_8( p_bo, vals[2] );
2034 bo_add_8( p_bo, vals[3] );
2038 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2042 for( i = 0; i < p_bo2->i_buffer; i++ )
2044 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2048 static bo_t * box_new( char *fcc )
2052 if( ( box = malloc( sizeof( bo_t ) ) ) )
2054 bo_init( box, 0, NULL, VLC_TRUE );
2056 bo_add_32be ( box, 0 );
2057 bo_add_fourcc( box, fcc );
2063 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2067 if( ( box = malloc( sizeof( bo_t ) ) ) )
2069 bo_init( box, 0, NULL, VLC_TRUE );
2071 bo_add_32be ( box, 0 );
2072 bo_add_fourcc( box, fcc );
2073 bo_add_8 ( box, v );
2074 bo_add_24be ( box, f );
2080 static void box_fix( bo_t *box )
2084 memcpy( &box_tmp, box, sizeof( bo_t ) );
2086 box_tmp.i_buffer = 0;
2087 bo_add_32be( &box_tmp, box->i_buffer );
2090 static void box_free( bo_t *box )
2094 free( box->p_buffer );
2100 static void box_gather ( bo_t *box, bo_t *box2 )
2102 bo_add_bo( box, box2 );
2106 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2110 p_buf = block_New( p_sout, box->i_buffer );
2111 if( box->i_buffer > 0 )
2113 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2119 static void box_send( sout_mux_t *p_mux, bo_t *box )
2123 p_buf = bo_to_sout( p_mux->p_sout, box );
2126 sout_AccessOutWrite( p_mux->p_access, p_buf );
2129 static int64_t get_timestamp()
2131 int64_t i_timestamp = 0;
2134 i_timestamp = time(NULL);
2135 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2136 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60