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) */
122 struct sout_mux_sys_t
127 vlc_bool_t b_fast_start;
135 mp4_stream_t **pp_streams;
148 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
149 static void bo_add_8 ( bo_t *, uint8_t );
150 static void bo_add_16be ( bo_t *, uint16_t );
151 static void bo_add_24be ( bo_t *, uint32_t );
152 static void bo_add_32be ( bo_t *, uint32_t );
153 static void bo_add_64be ( bo_t *, uint64_t );
154 static void bo_add_fourcc(bo_t *, char * );
155 static void bo_add_bo ( bo_t *, bo_t * );
156 static void bo_add_mem ( bo_t *, int , uint8_t * );
157 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
159 static void bo_fix_32be ( bo_t *, int , uint32_t );
161 static bo_t *box_new ( char *fcc );
162 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
163 static void box_fix ( bo_t *box );
164 static void box_free ( bo_t *box );
165 static void box_gather ( bo_t *box, bo_t *box2 );
167 static void box_send( sout_mux_t *p_mux, bo_t *box );
169 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
171 static bo_t *GetMoovBox( sout_mux_t *p_mux );
173 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
174 static block_t *ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
176 /*****************************************************************************
178 *****************************************************************************/
179 static int Open( vlc_object_t *p_this )
181 sout_mux_t *p_mux = (sout_mux_t*)p_this;
182 sout_mux_sys_t *p_sys;
185 msg_Dbg( p_mux, "Mp4 muxer opend" );
186 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
188 p_mux->pf_control = Control;
189 p_mux->pf_addstream = AddStream;
190 p_mux->pf_delstream = DelStream;
192 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
194 p_sys->i_nb_streams = 0;
195 p_sys->pp_streams = NULL;
196 p_sys->i_mdat_pos = 0;
197 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
198 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
199 p_sys->i_dts_start = 0;
204 /* Now add ftyp header */
205 box = box_new( "ftyp" );
206 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
207 else bo_add_fourcc( box, "isom" );
208 bo_add_32be ( box, 0 );
209 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
210 else bo_add_fourcc( box, "mp41" );
213 p_sys->i_pos += box->i_buffer;
214 p_sys->i_mdat_pos = p_sys->i_pos;
216 box_send( p_mux, box );
220 * Quicktime actually doesn't like the 64 bits extensions !!! */
221 p_sys->b_64_ext = VLC_FALSE;
223 /* Now add mdat header */
224 box = box_new( "mdat" );
225 bo_add_64be ( box, 0 ); // enough to store an extended size
227 p_sys->i_pos += box->i_buffer;
229 box_send( p_mux, box );
234 /*****************************************************************************
236 *****************************************************************************/
237 static void Close( vlc_object_t * p_this )
239 sout_mux_t *p_mux = (sout_mux_t*)p_this;
240 sout_mux_sys_t *p_sys = p_mux->p_sys;
248 msg_Dbg( p_mux, "Close" );
250 /* Update mdat size */
251 bo_init( &bo, 0, NULL, VLC_TRUE );
252 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
255 bo_add_32be ( &bo, 1 );
256 bo_add_fourcc( &bo, "mdat" );
257 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
261 bo_add_32be ( &bo, 8 );
262 bo_add_fourcc( &bo, "wide" );
263 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
264 bo_add_fourcc( &bo, "mdat" );
266 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
269 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
270 sout_AccessOutWrite( p_mux->p_access, p_hdr );
272 /* Create MOOV header */
273 i_moov_pos = p_sys->i_pos;
274 moov = GetMoovBox( p_mux );
276 /* Check we need to create "fast start" files */
277 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
278 p_sys->b_fast_start = val.b_bool;
279 while( p_sys->b_fast_start )
281 /* Move data to the end of the file so we can fit the moov header
284 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
285 int i_moov_size = moov->i_buffer;
289 i_chunk = __MIN( 32768, i_size );
290 p_buf = block_New( p_mux, i_chunk );
291 sout_AccessOutSeek( p_mux->p_access,
292 p_sys->i_mdat_pos + i_size - i_chunk );
293 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
295 msg_Warn( p_this, "read() not supported by access output, "
296 "won't create a fast start file" );
297 p_sys->b_fast_start = VLC_FALSE;
298 block_Release( p_buf );
301 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
302 i_moov_size - i_chunk );
303 sout_AccessOutWrite( p_mux->p_access, p_buf );
307 if( !p_sys->b_fast_start ) break;
309 /* Fix-up samples to chunks table in MOOV header */
310 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
312 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
316 moov->i_buffer = p_stream->i_stco_pos;
317 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
319 if( p_stream->b_stco64 )
320 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
322 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
324 while( i < p_stream->i_entry_count )
326 if( i + 1 < p_stream->i_entry_count &&
327 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
328 != p_stream->entry[i + 1].i_pos )
339 moov->i_buffer = i_moov_size;
340 i_moov_pos = p_sys->i_mdat_pos;
341 p_sys->b_fast_start = VLC_FALSE;
344 /* Write MOOV header */
345 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
346 box_send( p_mux, moov );
349 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
351 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
353 es_format_Clean( &p_stream->fmt );
354 free( p_stream->entry );
357 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
361 /*****************************************************************************
363 *****************************************************************************/
364 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
370 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
371 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
372 *pb_bool = VLC_FALSE;
375 case MUX_GET_ADD_STREAM_WAIT:
376 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
380 case MUX_GET_MIME: /* Not needed, as not streamable */
386 /*****************************************************************************
388 *****************************************************************************/
389 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
391 sout_mux_sys_t *p_sys = p_mux->p_sys;
392 mp4_stream_t *p_stream;
394 switch( p_input->p_fmt->i_codec )
396 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
397 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
398 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
399 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
400 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
401 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
402 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
403 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
404 case VLC_FOURCC( 'H', '2', '6', '3' ):
405 case VLC_FOURCC( 'h', '2', '6', '4' ):
406 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
407 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
409 case VLC_FOURCC( 's', 'u', 'b', 't' ):
410 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
413 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
414 (char*)&p_input->p_fmt->i_codec );
418 p_stream = malloc( sizeof( mp4_stream_t ) );
419 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
420 p_stream->i_track_id = p_sys->i_nb_streams + 1;
421 p_stream->i_length_neg = 0;
422 p_stream->i_entry_count = 0;
423 p_stream->i_entry_max = 1000;
425 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
426 p_stream->i_dts_start = 0;
427 p_stream->i_duration = 0;
429 p_input->p_sys = p_stream;
431 msg_Dbg( p_mux, "adding input" );
433 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
437 /*****************************************************************************
439 *****************************************************************************/
440 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
442 msg_Dbg( p_mux, "removing input" );
446 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
452 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
454 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
457 if( p_fifo->i_depth <= 1 )
459 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
461 return -1; // wait that all fifo have at least 2 packets
463 /* For SPU, we wait only 1 packet */
467 p_buf = block_FifoShow( p_fifo );
468 if( i_stream < 0 || p_buf->i_dts < i_dts )
470 i_dts = p_buf->i_dts;
476 *pi_stream = i_stream;
485 /*****************************************************************************
487 *****************************************************************************/
488 static int Mux( sout_mux_t *p_mux )
490 sout_mux_sys_t *p_sys = p_mux->p_sys;
494 sout_input_t *p_input;
496 mp4_stream_t *p_stream;
500 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
502 return( VLC_SUCCESS );
505 p_input = p_mux->pp_inputs[i_stream];
506 p_stream = (mp4_stream_t*)p_input->p_sys;
509 p_data = block_FifoGet( p_input->p_fifo );
510 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
512 p_data = ConvertAVC1( p_mux, p_stream, p_data );
514 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
516 p_data = ConvertSUBT( p_mux, p_stream, p_data );
518 if( p_data == NULL ) goto again;
520 if( p_stream->fmt.i_cat != SPU_ES )
522 /* Fix length of the sample */
523 if( p_input->p_fifo->i_depth > 0 )
525 block_t *p_next = block_FifoShow( p_input->p_fifo );
526 int64_t i_diff = p_next->i_dts - p_data->i_dts;
528 if( i_diff < I64C(1000000 ) ) /* protection */
530 p_data->i_length = i_diff;
533 if( p_data->i_length <= 0 )
535 msg_Warn( p_mux, "i_length <= 0" );
536 p_stream->i_length_neg += p_data->i_length - 1;
537 p_data->i_length = 1;
539 else if( p_stream->i_length_neg < 0 )
541 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
543 p_data->i_length -= i_recover;
544 p_stream->i_length_neg += i_recover;
548 /* Save starting time */
549 if( p_stream->i_entry_count == 0 )
551 p_stream->i_dts_start = p_data->i_dts;
553 /* Update global dts_start */
554 if( p_sys->i_dts_start <= 0 ||
555 p_stream->i_dts_start < p_sys->i_dts_start )
557 p_sys->i_dts_start = p_stream->i_dts_start;
561 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
563 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
567 /* FIXME handle this broken case */
572 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
574 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
579 /* add index entry */
580 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
581 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
582 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
583 __MAX( p_data->i_pts - p_data->i_dts, 0 );
584 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
585 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
587 p_stream->i_entry_count++;
588 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
589 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
591 p_stream->i_entry_max += 1000;
593 realloc( p_stream->entry,
594 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
598 p_stream->i_duration += p_data->i_length;
599 p_sys->i_pos += p_data->i_buffer;
602 p_stream->i_last_dts = p_data->i_dts;
605 sout_AccessOutWrite( p_mux->p_access, p_data );
607 if( p_stream->fmt.i_cat == SPU_ES )
609 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
614 msg_Dbg( p_mux, "writing an empty sub" ) ;
616 /* Append a idx entry */
617 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
618 p_stream->entry[p_stream->i_entry_count].i_size = 3;
619 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
620 p_stream->entry[p_stream->i_entry_count].i_length = 0;
621 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
623 /* XXX: No need to grow the entry here */
624 p_stream->i_entry_count++;
627 p_stream->i_last_dts += i_length;
630 p_data = block_New( p_mux, 3 );
631 p_data->p_buffer[0] = 0;
632 p_data->p_buffer[1] = 1;
633 p_data->p_buffer[2] = ' ';
635 p_sys->i_pos += p_data->i_buffer;
637 sout_AccessOutWrite( p_mux->p_access, p_data );
641 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
645 return( VLC_SUCCESS );
648 /*****************************************************************************
650 *****************************************************************************/
651 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
653 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
655 /* No trailling '\0' */
656 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
659 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
660 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
665 static block_t *ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
667 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
668 uint8_t *dat = &p_block->p_buffer[4];
669 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
672 /* Replace the 4 bytes start code with 4 bytes size,
673 * FIXME are all startcodes 4 bytes ? (I don't think :( */
678 while( dat < end - 4 )
680 if( dat[0] == 0x00 && dat[1] == 0x00 &&
681 dat[2] == 0x00 && dat[3] == 0x01 )
693 i_size = dat - &last[4];
694 last[0] = ( i_size >> 24 )&0xff;
695 last[1] = ( i_size >> 16 )&0xff;
696 last[2] = ( i_size >> 8 )&0xff;
697 last[3] = ( i_size )&0xff;
699 /* Skip blocks with SPS/PPS */
700 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
701 ; // FIXME Find a way to skip dat without frelling everything
709 static int GetDescrLength( int i_size )
711 if( i_size < 0x00000080 )
713 else if( i_size < 0x00004000 )
715 else if( i_size < 0x00200000 )
721 static bo_t *GetESDS( mp4_stream_t *p_stream )
725 int i_object_type_indication;
726 int i_decoder_specific_info_size;
728 int64_t i_bitrate_avg = 0;
729 int64_t i_bitrate_max = 0;
731 /* Compute avg/max bitrate */
732 for( i = 0; i < p_stream->i_entry_count; i++ )
734 i_bitrate_avg += p_stream->entry[i].i_size;
735 if( p_stream->entry[i].i_length > 0)
737 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
738 if( i_bitrate > i_bitrate_max )
739 i_bitrate_max = i_bitrate;
743 if( p_stream->i_duration > 0 )
744 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
747 if( i_bitrate_max <= 1 )
748 i_bitrate_max = 0x7fffffff;
751 if( p_stream->fmt.i_extra > 0 )
753 i_decoder_specific_info_size =
754 GetDescrLength( p_stream->fmt.i_extra );
758 i_decoder_specific_info_size = 0;
761 esds = box_full_new( "esds", 0, 0 );
764 bo_add_descr( esds, 0x03, 3 +
765 GetDescrLength( 13 + i_decoder_specific_info_size ) +
766 GetDescrLength( 1 ) );
767 bo_add_16be( esds, p_stream->i_track_id );
768 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
770 /* DecoderConfigDescr */
771 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
773 switch( p_stream->fmt.i_codec )
775 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
776 i_object_type_indication = 0x20;
778 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
779 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
780 i_object_type_indication = 0x60;
782 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
783 /* FIXME for mpeg2-aac == 0x66->0x68 */
784 i_object_type_indication = 0x40;
786 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
787 i_object_type_indication =
788 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
791 i_object_type_indication = 0x00;
794 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
796 bo_add_8 ( esds, i_object_type_indication );
797 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
798 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
799 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
800 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
802 if( p_stream->fmt.i_extra > 0 )
806 /* DecoderSpecificInfo */
807 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
809 for( i = 0; i < p_stream->fmt.i_extra; i++ )
811 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
815 /* SL_Descr mandatory */
816 bo_add_descr( esds, 0x06, 1 );
817 bo_add_8 ( esds, 0x02 ); // sl_predefined
824 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
829 wave = box_new( "wave" );
831 box = box_new( "frma" );
832 bo_add_fourcc( box, "mp4a" );
834 box_gather( wave, box );
836 box = box_new( "mp4a" );
837 bo_add_32be( box, 0 );
839 box_gather( wave, box );
841 box = GetESDS( p_stream );
843 box_gather( wave, box );
845 box = box_new( "srcq" );
846 bo_add_32be( box, 0x40 );
848 box_gather( wave, box );
851 bo_add_32be( wave, 8 ); /* new empty box */
852 bo_add_32be( wave, 0 ); /* box label */
859 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
863 damr = box_new( "damr" );
865 bo_add_fourcc( damr, "REFC" );
868 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
869 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
871 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
872 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
879 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
883 d263 = box_new( "d263" );
885 bo_add_fourcc( d263, "VLC " );
886 bo_add_16be( d263, 0xa );
894 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
897 uint8_t *p_sps = NULL;
898 uint8_t *p_pps = NULL;
902 if( p_stream->fmt.i_extra > 0 )
904 /* FIXME: take into account multiple sps/pps */
905 uint8_t *p_buffer = p_stream->fmt.p_extra;
906 int i_buffer = p_stream->fmt.i_extra;
908 while( i_buffer > 4 &&
909 p_buffer[0] == 0 && p_buffer[1] == 0 &&
910 p_buffer[2] == 0 && p_buffer[3] == 1 )
912 const int i_nal_type = p_buffer[4]&0x1f;
917 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
919 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
921 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
922 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
924 /* we found another startcode */
925 i_startcode = i_offset;
929 i_size = i_startcode ? i_startcode : i_buffer;
930 if( i_nal_type == 7 )
932 p_sps = &p_buffer[4];
933 i_sps_size = i_size - 4;
935 if( i_nal_type == 8 )
937 p_pps = &p_buffer[4];
938 i_pps_size = i_size - 4;
945 /* FIXME use better value */
946 avcC = box_new( "avcC" );
947 bo_add_8( avcC, 1 ); /* configuration version */
948 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
949 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
950 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
951 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
953 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
956 bo_add_16be( avcC, i_sps_size );
957 bo_add_mem( avcC, i_sps_size, p_sps );
960 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
963 bo_add_16be( avcC, i_pps_size );
964 bo_add_mem( avcC, i_pps_size, p_pps );
971 /* TODO: No idea about these values */
972 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
974 bo_t *smi = box_new( "SMI " );
976 if( p_stream->fmt.i_extra > 0x4e )
978 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
979 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
981 while( p + 8 < p_end )
983 int i_size = GetDWBE( p );
986 /* FIXME handle 1 as long size */
989 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
991 bo_add_mem( smi, p_end - p - 8, &p[8] );
998 /* Create a dummy one in fallback */
999 bo_add_fourcc( smi, "SEQH" );
1000 bo_add_32be( smi, 0x5 );
1001 bo_add_32be( smi, 0xe2c0211d );
1002 bo_add_8( smi, 0xc0 );
1008 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1010 sout_mux_sys_t *p_sys = p_mux->p_sys;
1011 bo_t *udta = box_new( "udta" );
1012 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1016 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1018 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1020 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1021 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1023 bo_t *box = box_new( "\251req" );
1025 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1026 bo_add_16be( box, 0 );
1027 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1028 (uint8_t *)"QuickTime 6.0 or greater" );
1030 box_gather( udta, box );
1037 bo_t *box = box_new( "\251enc" );
1039 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1040 bo_add_16be( box, 0 );
1041 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1042 (uint8_t*)PACKAGE_STRING " stream output" );
1044 box_gather( udta, box );
1050 #define ADD_META_BOX( type, box_string ) { \
1052 if( p_meta->psz_##type ) box = box_new( "\251" box_string ); \
1055 bo_add_16be( box, strlen( p_meta->psz_##type ) ); \
1056 bo_add_16be( box, 0 ); \
1057 bo_add_mem( box, strlen( p_meta->psz_##type ), \
1058 (uint8_t*)(p_meta->psz_##type ) ); \
1060 box_gather( udta, box ); \
1063 ADD_META_BOX( title, "nam" );
1064 ADD_META_BOX( artist, "ART" );
1065 ADD_META_BOX( genre, "gen" );
1066 ADD_META_BOX( copyright, "cpy" );
1067 ADD_META_BOX( description, "des" );
1068 ADD_META_BOX( date, "day" );
1069 ADD_META_BOX( url, "url" );
1077 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1079 sout_mux_sys_t *p_sys = p_mux->p_sys;
1080 vlc_bool_t b_descr = VLC_FALSE;
1085 switch( p_stream->fmt.i_codec )
1087 case VLC_FOURCC('m','p','4','a'):
1088 memcpy( fcc, "mp4a", 4 );
1092 case VLC_FOURCC('s','a','m','r'):
1093 case VLC_FOURCC('s','a','w','b'):
1094 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1098 case VLC_FOURCC('m','p','g','a'):
1100 memcpy( fcc, ".mp3", 4 );
1103 memcpy( fcc, "mp4a", 4 );
1109 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1113 soun = box_new( fcc );
1114 for( i = 0; i < 6; i++ )
1116 bo_add_8( soun, 0 ); // reserved;
1118 bo_add_16be( soun, 1 ); // data-reference-index
1120 /* SoundDescription */
1122 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1124 bo_add_16be( soun, 1 ); // version 1;
1128 bo_add_16be( soun, 0 ); // version 0;
1130 bo_add_16be( soun, 0 ); // revision level (0)
1131 bo_add_32be( soun, 0 ); // vendor
1133 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1135 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1136 p_stream->fmt.audio.i_bitspersample : 16 );
1137 bo_add_16be( soun, -2 ); // compression id
1138 bo_add_16be( soun, 0 ); // packet size (0)
1139 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1140 bo_add_16be( soun, 0 ); // sampleratelo
1142 /* Extended data for SoundDescription V1 */
1144 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1146 /* samples per packet */
1147 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1148 bo_add_32be( soun, 1536 ); /* bytes per packet */
1149 bo_add_32be( soun, 2 ); /* bytes per frame */
1150 /* bytes per sample */
1151 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1154 /* Add an ES Descriptor */
1160 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1162 box = GetWaveTag( p_stream );
1164 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1166 box = GetDamrTag( p_stream );
1170 box = GetESDS( p_stream );
1173 box_gather( soun, box );
1181 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1188 switch( p_stream->fmt.i_codec )
1190 case VLC_FOURCC('m','p','4','v'):
1191 case VLC_FOURCC('m','p','g','v'):
1192 memcpy( fcc, "mp4v", 4 );
1195 case VLC_FOURCC('M','J','P','G'):
1196 memcpy( fcc, "mjpa", 4 );
1199 case VLC_FOURCC('S','V','Q','1'):
1200 memcpy( fcc, "SVQ1", 4 );
1203 case VLC_FOURCC('S','V','Q','3'):
1204 memcpy( fcc, "SVQ3", 4 );
1207 case VLC_FOURCC('H','2','6','3'):
1208 memcpy( fcc, "s263", 4 );
1211 case VLC_FOURCC('h','2','6','4'):
1212 memcpy( fcc, "avc1", 4 );
1216 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1220 vide = box_new( fcc );
1221 for( i = 0; i < 6; i++ )
1223 bo_add_8( vide, 0 ); // reserved;
1225 bo_add_16be( vide, 1 ); // data-reference-index
1227 bo_add_16be( vide, 0 ); // predefined;
1228 bo_add_16be( vide, 0 ); // reserved;
1229 for( i = 0; i < 3; i++ )
1231 bo_add_32be( vide, 0 ); // predefined;
1234 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1235 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1237 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1238 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1240 bo_add_32be( vide, 0 ); // data size, always 0
1241 bo_add_16be( vide, 1 ); // frames count per sample
1244 for( i = 0; i < 32; i++ )
1246 bo_add_8( vide, 0 );
1249 bo_add_16be( vide, 0x18 ); // depth
1250 bo_add_16be( vide, 0xffff ); // predefined
1252 /* add an ES Descriptor */
1253 switch( p_stream->fmt.i_codec )
1255 case VLC_FOURCC('m','p','4','v'):
1256 case VLC_FOURCC('m','p','g','v'):
1258 bo_t *esds = GetESDS( p_stream );
1261 box_gather( vide, esds );
1265 case VLC_FOURCC('H','2','6','3'):
1267 bo_t *d263 = GetD263Tag( p_stream );
1270 box_gather( vide, d263 );
1274 case VLC_FOURCC('S','V','Q','3'):
1276 bo_t *esds = GetSVQ3Tag( p_stream );
1279 box_gather( vide, esds );
1283 case VLC_FOURCC('h','2','6','4'):
1284 box_gather( vide, GetAvcCTag( p_stream ) );
1296 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1299 bo_t *text = box_new( "text" );
1302 for( i = 0; i < 6; i++ )
1304 bo_add_8( text, 0 ); // reserved;
1306 bo_add_16be( text, 1 ); // data-reference-index
1308 bo_add_32be( text, 0 ); // display flags
1309 bo_add_32be( text, 0 ); // justification
1310 for( i = 0; i < 3; i++ )
1312 bo_add_16be( text, 0 ); // back ground color
1315 bo_add_16be( text, 0 ); // box text
1316 bo_add_16be( text, 0 ); // box text
1317 bo_add_16be( text, 0 ); // box text
1318 bo_add_16be( text, 0 ); // box text
1320 bo_add_64be( text, 0 ); // reserved
1321 for( i = 0; i < 3; i++ )
1323 bo_add_16be( text, 0xff ); // foreground color
1326 bo_add_8 ( text, 9 );
1327 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1334 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1336 sout_mux_sys_t *p_sys = p_mux->p_sys;
1337 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1338 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1339 uint32_t i_timescale;
1340 int64_t i_dts, i_dts_q;
1342 stbl = box_new( "stbl" );
1344 /* sample description */
1345 stsd = box_full_new( "stsd", 0, 0 );
1346 bo_add_32be( stsd, 1 );
1347 if( p_stream->fmt.i_cat == AUDIO_ES )
1349 bo_t *soun = GetSounBox( p_mux, p_stream );
1350 box_gather( stsd, soun );
1352 else if( p_stream->fmt.i_cat == VIDEO_ES )
1354 bo_t *vide = GetVideBox( p_mux, p_stream );
1355 box_gather( stsd, vide );
1357 else if( p_stream->fmt.i_cat == SPU_ES )
1359 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1363 /* chunk offset table */
1364 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1366 /* 64 bits version */
1367 p_stream->b_stco64 = VLC_TRUE;
1368 stco = box_full_new( "co64", 0, 0 );
1372 /* 32 bits version */
1373 p_stream->b_stco64 = VLC_FALSE;
1374 stco = box_full_new( "stco", 0, 0 );
1376 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1378 /* sample to chunk table */
1379 stsc = box_full_new( "stsc", 0, 0 );
1380 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1382 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1383 i < p_stream->i_entry_count; i_chunk++ )
1387 if( p_stream->b_stco64 )
1388 bo_add_64be( stco, p_stream->entry[i].i_pos );
1390 bo_add_32be( stco, p_stream->entry[i].i_pos );
1392 while( i < p_stream->i_entry_count )
1394 if( i + 1 < p_stream->i_entry_count &&
1395 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1396 != p_stream->entry[i + 1].i_pos )
1405 /* Add entry to the stsc table */
1406 if( i_stsc_last_val != i - i_first )
1408 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1409 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1410 bo_add_32be( stsc, 1 ); // sample-descr-index
1411 i_stsc_last_val = i - i_first;
1416 /* Fix stco entry count */
1417 bo_fix_32be( stco, 12, i_chunk );
1418 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1421 /* Fix stsc entry count */
1422 bo_fix_32be( stsc, 12, i_stsc_entries );
1426 stts = box_full_new( "stts", 0, 0 );
1427 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1429 if( p_stream->fmt.i_cat == AUDIO_ES )
1430 i_timescale = p_stream->fmt.audio.i_rate;
1434 /* first, create quantified length */
1435 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1437 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1438 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1440 i_dts += p_stream->entry[i].i_length;
1442 p_stream->entry[i].i_length =
1443 i_delta * (int64_t)i_timescale / I64C(1000000);
1445 i_dts_q += p_stream->entry[i].i_length;
1447 /* then write encoded table */
1448 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1451 int64_t i_delta = p_stream->entry[i].i_length;
1453 while( i < p_stream->i_entry_count )
1456 if( i >= p_stream->i_entry_count ||
1457 p_stream->entry[i].i_length != i_delta )
1463 bo_add_32be( stts, i - i_first ); // sample-count
1464 bo_add_32be( stts, i_delta ); // sample-delta
1466 bo_fix_32be( stts, 12, i_index );
1469 /* FIXME add ctts ?? FIXME */
1471 stsz = box_full_new( "stsz", 0, 0 );
1472 bo_add_32be( stsz, 0 ); // sample-size
1473 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1474 for( i = 0; i < p_stream->i_entry_count; i++ )
1476 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1480 /* create stss table */
1482 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1484 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1488 stss = box_full_new( "stss", 0, 0 );
1489 bo_add_32be( stss, 0 ); /* fixed later */
1491 bo_add_32be( stss, 1 + i );
1497 bo_fix_32be( stss, 12, i_index );
1501 /* Now gather all boxes into stbl */
1502 box_gather( stbl, stsd );
1503 box_gather( stbl, stts );
1506 box_gather( stbl, stss );
1508 box_gather( stbl, stsc );
1509 box_gather( stbl, stsz );
1510 p_stream->i_stco_pos = stbl->i_buffer + 16;
1511 box_gather( stbl, stco );
1519 static int64_t get_timestamp();
1521 static uint32_t mvhd_matrix[9] =
1522 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1524 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1526 sout_mux_sys_t *p_sys = p_mux->p_sys;
1531 uint32_t i_movie_timescale = 90000;
1532 int64_t i_movie_duration = 0;
1534 moov = box_new( "moov" );
1536 /* Create general info */
1537 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1539 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1540 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1542 msg_Dbg( p_mux, "movie duration %ds",
1543 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1545 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1547 /* *** add /moov/mvhd *** */
1548 if( !p_sys->b_64_ext )
1550 mvhd = box_full_new( "mvhd", 0, 0 );
1551 bo_add_32be( mvhd, get_timestamp() ); // creation time
1552 bo_add_32be( mvhd, get_timestamp() ); // modification time
1553 bo_add_32be( mvhd, i_movie_timescale); // timescale
1554 bo_add_32be( mvhd, i_movie_duration ); // duration
1558 mvhd = box_full_new( "mvhd", 1, 0 );
1559 bo_add_64be( mvhd, get_timestamp() ); // creation time
1560 bo_add_64be( mvhd, get_timestamp() ); // modification time
1561 bo_add_32be( mvhd, i_movie_timescale); // timescale
1562 bo_add_64be( mvhd, i_movie_duration ); // duration
1564 bo_add_32be( mvhd, 0x10000 ); // rate
1565 bo_add_16be( mvhd, 0x100 ); // volume
1566 bo_add_16be( mvhd, 0 ); // reserved
1567 for( i = 0; i < 2; i++ )
1569 bo_add_32be( mvhd, 0 ); // reserved
1571 for( i = 0; i < 9; i++ )
1573 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1575 for( i = 0; i < 6; i++ )
1577 bo_add_32be( mvhd, 0 ); // pre-defined
1580 /* Next available track id */
1581 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1584 box_gather( moov, mvhd );
1586 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1588 mp4_stream_t *p_stream;
1589 uint32_t i_timescale;
1591 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1592 bo_t *minf, *dinf, *dref, *url, *stbl;
1594 p_stream = p_sys->pp_streams[i_trak];
1596 if( p_stream->fmt.i_cat == AUDIO_ES )
1597 i_timescale = p_stream->fmt.audio.i_rate;
1601 /* *** add /moov/trak *** */
1602 trak = box_new( "trak" );
1604 /* *** add /moov/trak/tkhd *** */
1605 if( !p_sys->b_64_ext )
1608 tkhd = box_full_new( "tkhd", 0, 0x0f );
1610 tkhd = box_full_new( "tkhd", 0, 1 );
1612 bo_add_32be( tkhd, get_timestamp() ); // creation time
1613 bo_add_32be( tkhd, get_timestamp() ); // modification time
1614 bo_add_32be( tkhd, p_stream->i_track_id );
1615 bo_add_32be( tkhd, 0 ); // reserved 0
1616 bo_add_32be( tkhd, p_stream->i_duration *
1617 (int64_t)i_movie_timescale /
1618 (mtime_t)1000000 ); // duration
1623 tkhd = box_full_new( "tkhd", 1, 0x0f );
1625 tkhd = box_full_new( "tkhd", 1, 1 );
1627 bo_add_64be( tkhd, get_timestamp() ); // creation time
1628 bo_add_64be( 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_64be( tkhd, p_stream->i_duration *
1632 (int64_t)i_movie_timescale /
1633 (mtime_t)1000000 ); // duration
1636 for( i = 0; i < 2; i++ )
1638 bo_add_32be( tkhd, 0 ); // reserved
1640 bo_add_16be( tkhd, 0 ); // layer
1641 bo_add_16be( tkhd, 0 ); // pre-defined
1643 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1644 bo_add_16be( tkhd, 0 ); // reserved
1645 for( i = 0; i < 9; i++ )
1647 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1649 if( p_stream->fmt.i_cat == AUDIO_ES )
1651 bo_add_32be( tkhd, 0 ); // width (presentation)
1652 bo_add_32be( tkhd, 0 ); // height(presentation)
1654 else if( p_stream->fmt.i_cat == VIDEO_ES )
1656 int i_width = p_stream->fmt.video.i_width << 16;
1657 if( p_stream->fmt.video.i_aspect > 0 )
1659 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1660 ((int64_t)p_stream->fmt.video.i_height << 16) /
1663 // width (presentation)
1664 bo_add_32be( tkhd, i_width );
1665 // height(presentation)
1666 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1670 int i_width = 320 << 16;
1673 for( i = 0; i < p_sys->i_nb_streams; i++ )
1675 mp4_stream_t *tk = p_sys->pp_streams[i];
1676 if( tk->fmt.i_cat == VIDEO_ES )
1678 if( p_stream->fmt.video.i_aspect )
1679 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1680 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1682 i_width = p_stream->fmt.video.i_width << 16;
1683 i_height = p_stream->fmt.video.i_height;
1687 bo_add_32be( tkhd, i_width ); // width (presentation)
1688 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1692 box_gather( trak, tkhd );
1694 /* *** add /moov/trak/edts and elst */
1695 edts = box_new( "edts" );
1696 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1697 if( p_stream->i_dts_start > p_sys->i_dts_start )
1699 bo_add_32be( elst, 2 );
1701 if( p_sys->b_64_ext )
1703 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1704 i_movie_timescale / I64C(1000000) );
1705 bo_add_64be( elst, -1 );
1709 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1710 i_movie_timescale / I64C(1000000) );
1711 bo_add_32be( elst, -1 );
1713 bo_add_16be( elst, 1 );
1714 bo_add_16be( elst, 0 );
1718 bo_add_32be( elst, 1 );
1720 if( p_sys->b_64_ext )
1722 bo_add_64be( elst, p_stream->i_duration *
1723 i_movie_timescale / I64C(1000000) );
1724 bo_add_64be( elst, 0 );
1728 bo_add_32be( elst, p_stream->i_duration *
1729 i_movie_timescale / I64C(1000000) );
1730 bo_add_32be( elst, 0 );
1732 bo_add_16be( elst, 1 );
1733 bo_add_16be( elst, 0 );
1736 box_gather( edts, elst );
1738 box_gather( trak, edts );
1740 /* *** add /moov/trak/mdia *** */
1741 mdia = box_new( "mdia" );
1744 if( !p_sys->b_64_ext )
1746 mdhd = box_full_new( "mdhd", 0, 0 );
1747 bo_add_32be( mdhd, get_timestamp() ); // creation time
1748 bo_add_32be( mdhd, get_timestamp() ); // modification time
1749 bo_add_32be( mdhd, i_timescale); // timescale
1750 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1751 (mtime_t)1000000 ); // duration
1755 mdhd = box_full_new( "mdhd", 1, 0 );
1756 bo_add_64be( mdhd, get_timestamp() ); // creation time
1757 bo_add_64be( mdhd, get_timestamp() ); // modification time
1758 bo_add_32be( mdhd, i_timescale); // timescale
1759 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1760 (mtime_t)1000000 ); // duration
1763 if( p_stream->fmt.psz_language )
1765 char *psz = p_stream->fmt.psz_language;
1766 const iso639_lang_t *pl = NULL;
1767 uint16_t lang = 0x0;
1769 if( strlen( psz ) == 2 )
1771 pl = GetLang_1( psz );
1773 else if( strlen( psz ) == 3 )
1775 pl = GetLang_2B( psz );
1776 if( !strcmp( pl->psz_iso639_1, "??" ) )
1778 pl = GetLang_2T( psz );
1781 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1783 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1784 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1785 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1787 bo_add_16be( mdhd, lang ); // language
1791 bo_add_16be( mdhd, 0 ); // language
1793 bo_add_16be( mdhd, 0 ); // predefined
1795 box_gather( mdia, mdhd );
1797 /* handler reference */
1798 hdlr = box_full_new( "hdlr", 0, 0 );
1801 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1803 bo_add_32be( hdlr, 0 );
1805 if( p_stream->fmt.i_cat == AUDIO_ES )
1806 bo_add_fourcc( hdlr, "soun" );
1807 else if( p_stream->fmt.i_cat == VIDEO_ES )
1808 bo_add_fourcc( hdlr, "vide" );
1809 else if( p_stream->fmt.i_cat == SPU_ES )
1810 bo_add_fourcc( hdlr, "text" );
1812 bo_add_32be( hdlr, 0 ); // reserved
1813 bo_add_32be( hdlr, 0 ); // reserved
1814 bo_add_32be( hdlr, 0 ); // reserved
1817 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1819 if( p_stream->fmt.i_cat == AUDIO_ES )
1820 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1821 else if( p_stream->fmt.i_cat == VIDEO_ES )
1822 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1824 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1827 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1830 box_gather( mdia, hdlr );
1833 minf = box_new( "minf" );
1836 if( p_stream->fmt.i_cat == AUDIO_ES )
1840 smhd = box_full_new( "smhd", 0, 0 );
1841 bo_add_16be( smhd, 0 ); // balance
1842 bo_add_16be( smhd, 0 ); // reserved
1845 box_gather( minf, smhd );
1847 else if( p_stream->fmt.i_cat == VIDEO_ES )
1851 vmhd = box_full_new( "vmhd", 0, 1 );
1852 bo_add_16be( vmhd, 0 ); // graphicsmode
1853 for( i = 0; i < 3; i++ )
1855 bo_add_16be( vmhd, 0 ); // opcolor
1859 box_gather( minf, vmhd );
1861 else if( p_stream->fmt.i_cat == SPU_ES )
1863 bo_t *gmhd = box_new( "gmhd" );
1864 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1866 bo_add_16be( gmin, 0 ); // graphicsmode
1867 for( i = 0; i < 3; i++ )
1869 bo_add_16be( gmin, 0 ); // opcolor
1871 bo_add_16be( gmin, 0 ); // balance
1872 bo_add_16be( gmin, 0 ); // reserved
1875 box_gather( gmhd, gmin );
1878 box_gather( minf, gmhd );
1882 dinf = box_new( "dinf" );
1883 dref = box_full_new( "dref", 0, 0 );
1884 bo_add_32be( dref, 1 );
1885 url = box_full_new( "url ", 0, 0x01 );
1887 box_gather( dref, url );
1889 box_gather( dinf, dref );
1891 /* append dinf to mdia */
1893 box_gather( minf, dinf );
1896 stbl = GetStblBox( p_mux, p_stream );
1898 /* append stbl to minf */
1899 p_stream->i_stco_pos += minf->i_buffer;
1900 box_gather( minf, stbl );
1902 /* append minf to mdia */
1904 p_stream->i_stco_pos += mdia->i_buffer;
1905 box_gather( mdia, minf );
1907 /* append mdia to trak */
1909 p_stream->i_stco_pos += trak->i_buffer;
1910 box_gather( trak, mdia );
1912 /* append trak to moov */
1914 p_stream->i_stco_pos += moov->i_buffer;
1915 box_gather( moov, trak );
1918 /* Add user data tags */
1919 box_gather( moov, GetUdtaTag( p_mux ) );
1925 /****************************************************************************/
1927 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1932 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1933 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1937 p_bo->i_buffer_size = i_size;
1938 p_bo->p_buffer = p_buffer;
1941 p_bo->b_grow = b_grow;
1945 static void bo_add_8( bo_t *p_bo, uint8_t i )
1947 if( p_bo->i_buffer < p_bo->i_buffer_size )
1949 p_bo->p_buffer[p_bo->i_buffer] = i;
1951 else if( p_bo->b_grow )
1953 p_bo->i_buffer_size += 1024;
1954 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1956 p_bo->p_buffer[p_bo->i_buffer] = i;
1962 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1964 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1965 bo_add_8( p_bo, i &0xff );
1968 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1970 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1971 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1972 bo_add_8( p_bo, ( i &0xff ) );
1974 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1976 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1977 bo_add_16be( p_bo, i &0xffff );
1980 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1982 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1983 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1984 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1985 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1988 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1990 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1991 bo_add_32be( p_bo, i &0xffffffff );
1994 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1996 bo_add_8( p_bo, fcc[0] );
1997 bo_add_8( p_bo, fcc[1] );
1998 bo_add_8( p_bo, fcc[2] );
1999 bo_add_8( p_bo, fcc[3] );
2002 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2006 for( i = 0; i < i_size; i++ )
2008 bo_add_8( p_bo, p_mem[i] );
2012 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2018 vals[3] = (unsigned char)(i_length & 0x7f);
2020 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2022 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2024 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2026 bo_add_8( p_bo, tag );
2028 if( i_size < 0x00000080 )
2030 bo_add_8( p_bo, vals[3] );
2032 else if( i_size < 0x00004000 )
2034 bo_add_8( p_bo, vals[2] );
2035 bo_add_8( p_bo, vals[3] );
2037 else if( i_size < 0x00200000 )
2039 bo_add_8( p_bo, vals[1] );
2040 bo_add_8( p_bo, vals[2] );
2041 bo_add_8( p_bo, vals[3] );
2043 else if( i_size < 0x10000000 )
2045 bo_add_8( p_bo, vals[0] );
2046 bo_add_8( p_bo, vals[1] );
2047 bo_add_8( p_bo, vals[2] );
2048 bo_add_8( p_bo, vals[3] );
2052 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2056 for( i = 0; i < p_bo2->i_buffer; i++ )
2058 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2062 static bo_t * box_new( char *fcc )
2066 if( ( box = malloc( sizeof( bo_t ) ) ) )
2068 bo_init( box, 0, NULL, VLC_TRUE );
2070 bo_add_32be ( box, 0 );
2071 bo_add_fourcc( box, fcc );
2077 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2081 if( ( box = malloc( sizeof( bo_t ) ) ) )
2083 bo_init( box, 0, NULL, VLC_TRUE );
2085 bo_add_32be ( box, 0 );
2086 bo_add_fourcc( box, fcc );
2087 bo_add_8 ( box, v );
2088 bo_add_24be ( box, f );
2094 static void box_fix( bo_t *box )
2098 memcpy( &box_tmp, box, sizeof( bo_t ) );
2100 box_tmp.i_buffer = 0;
2101 bo_add_32be( &box_tmp, box->i_buffer );
2104 static void box_free( bo_t *box )
2108 free( box->p_buffer );
2114 static void box_gather ( bo_t *box, bo_t *box2 )
2116 bo_add_bo( box, box2 );
2120 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2124 p_buf = block_New( p_sout, box->i_buffer );
2125 if( box->i_buffer > 0 )
2127 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2133 static void box_send( sout_mux_t *p_mux, bo_t *box )
2137 p_buf = bo_to_sout( p_mux->p_sout, box );
2140 sout_AccessOutWrite( p_mux->p_access, p_buf );
2143 static int64_t get_timestamp()
2145 int64_t i_timestamp = 0;
2148 i_timestamp = time(NULL);
2149 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2150 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60