1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003, 2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin at videolan dot org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
36 #include <vlc_block.h>
40 #include <vlc_iso_lang.h>
43 /*****************************************************************************
45 *****************************************************************************/
46 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
47 #define FASTSTART_LONGTEXT N_( \
48 "Create \"Fast Start\" files. " \
49 "\"Fast Start\" files are optimized for downloads and allow the user " \
50 "to start previewing the file while it is downloading.")
52 static int Open ( vlc_object_t * );
53 static void Close ( vlc_object_t * );
55 #define SOUT_CFG_PREFIX "sout-mp4-"
58 set_description( N_("MP4/MOV muxer") )
59 set_category( CAT_SOUT )
60 set_subcategory( SUBCAT_SOUT_MUX )
61 set_shortname( "MP4" )
63 add_bool( SOUT_CFG_PREFIX "faststart", true, NULL,
64 FASTSTART_TEXT, FASTSTART_LONGTEXT,
66 set_capability( "sout mux", 5 )
70 set_callbacks( Open, Close )
73 /*****************************************************************************
75 *****************************************************************************/
76 static const char *const ppsz_sout_options[] = {
80 static int Control( sout_mux_t *, int, va_list );
81 static int AddStream( sout_mux_t *, sout_input_t * );
82 static int DelStream( sout_mux_t *, sout_input_t * );
83 static int Mux ( sout_mux_t * );
85 /*****************************************************************************
87 *****************************************************************************/
105 unsigned int i_entry_count;
106 unsigned int i_entry_max;
108 int64_t i_length_neg;
114 /* for later stco fix-up (fast start files) */
123 struct sout_mux_sys_t
136 mp4_stream_t **pp_streams;
149 static void bo_init ( bo_t *, int , uint8_t *, bool );
150 static void bo_add_8 ( bo_t *, uint8_t );
151 static void bo_add_16be ( bo_t *, uint16_t );
152 static void bo_add_24be ( bo_t *, uint32_t );
153 static void bo_add_32be ( bo_t *, uint32_t );
154 static void bo_add_64be ( bo_t *, uint64_t );
155 static void bo_add_fourcc(bo_t *, const char * );
156 static void bo_add_bo ( bo_t *, bo_t * );
157 static void bo_add_mem ( bo_t *, int , uint8_t * );
158 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
160 static void bo_fix_32be ( bo_t *, int , uint32_t );
162 static bo_t *box_new ( const char *fcc );
163 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
164 static void box_fix ( bo_t *box );
165 static void box_free ( bo_t *box );
166 static void box_gather ( bo_t *box, bo_t *box2 );
168 static void box_send( sout_mux_t *p_mux, bo_t *box );
170 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
172 static bo_t *GetMoovBox( sout_mux_t *p_mux );
174 static block_t *ConvertSUBT( block_t *);
175 static block_t *ConvertAVC1( block_t * );
177 /*****************************************************************************
179 *****************************************************************************/
180 static int Open( vlc_object_t *p_this )
182 sout_mux_t *p_mux = (sout_mux_t*)p_this;
183 sout_mux_sys_t *p_sys;
186 msg_Dbg( p_mux, "Mp4 muxer opened" );
187 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
189 p_mux->pf_control = Control;
190 p_mux->pf_addstream = AddStream;
191 p_mux->pf_delstream = DelStream;
193 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
197 p_sys->i_nb_streams = 0;
198 p_sys->pp_streams = NULL;
199 p_sys->i_mdat_pos = 0;
200 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
201 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
202 p_sys->i_dts_start = 0;
207 /* Now add ftyp header */
208 box = box_new( "ftyp" );
209 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
210 else bo_add_fourcc( box, "isom" );
211 bo_add_32be ( box, 0 );
212 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
213 else bo_add_fourcc( box, "mp41" );
216 p_sys->i_pos += box->i_buffer;
217 p_sys->i_mdat_pos = p_sys->i_pos;
219 box_send( p_mux, box );
223 * Quicktime actually doesn't like the 64 bits extensions !!! */
224 p_sys->b_64_ext = false;
226 /* Now add mdat header */
227 box = box_new( "mdat" );
228 bo_add_64be ( box, 0 ); // enough to store an extended size
230 p_sys->i_pos += box->i_buffer;
232 box_send( p_mux, box );
237 /*****************************************************************************
239 *****************************************************************************/
240 static void Close( vlc_object_t * p_this )
242 sout_mux_t *p_mux = (sout_mux_t*)p_this;
243 sout_mux_sys_t *p_sys = p_mux->p_sys;
251 msg_Dbg( p_mux, "Close" );
253 /* Update mdat size */
254 bo_init( &bo, 0, NULL, true );
255 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
258 bo_add_32be ( &bo, 1 );
259 bo_add_fourcc( &bo, "mdat" );
260 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
264 bo_add_32be ( &bo, 8 );
265 bo_add_fourcc( &bo, "wide" );
266 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
267 bo_add_fourcc( &bo, "mdat" );
269 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
272 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
273 sout_AccessOutWrite( p_mux->p_access, p_hdr );
275 /* Create MOOV header */
276 i_moov_pos = p_sys->i_pos;
277 moov = GetMoovBox( p_mux );
279 /* Check we need to create "fast start" files */
280 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
281 p_sys->b_fast_start = val.b_bool;
282 while( p_sys->b_fast_start )
284 /* Move data to the end of the file so we can fit the moov header
287 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
288 int i_moov_size = moov->i_buffer;
292 i_chunk = __MIN( 32768, i_size );
293 p_buf = block_New( p_mux, i_chunk );
294 sout_AccessOutSeek( p_mux->p_access,
295 p_sys->i_mdat_pos + i_size - i_chunk );
296 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
298 msg_Warn( p_this, "read() not supported by access output, "
299 "won't create a fast start file" );
300 p_sys->b_fast_start = false;
301 block_Release( p_buf );
304 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
305 i_moov_size - i_chunk );
306 sout_AccessOutWrite( p_mux->p_access, p_buf );
310 if( !p_sys->b_fast_start ) break;
312 /* Fix-up samples to chunks table in MOOV header */
313 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
315 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
319 moov->i_buffer = p_stream->i_stco_pos;
320 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
322 if( p_stream->b_stco64 )
323 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
325 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
327 while( i < p_stream->i_entry_count )
329 if( i + 1 < p_stream->i_entry_count &&
330 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
331 != p_stream->entry[i + 1].i_pos )
342 moov->i_buffer = i_moov_size;
343 i_moov_pos = p_sys->i_mdat_pos;
344 p_sys->b_fast_start = false;
347 /* Write MOOV header */
348 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
349 box_send( p_mux, moov );
352 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
354 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
356 es_format_Clean( &p_stream->fmt );
357 free( p_stream->entry );
360 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
374 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
375 pb_bool = (bool*)va_arg( args, bool * );
379 case MUX_GET_ADD_STREAM_WAIT:
380 pb_bool = (bool*)va_arg( args, bool * );
384 case MUX_GET_MIME: /* Not needed, as not streamable */
390 /*****************************************************************************
392 *****************************************************************************/
393 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
395 sout_mux_sys_t *p_sys = p_mux->p_sys;
396 mp4_stream_t *p_stream;
398 switch( p_input->p_fmt->i_codec )
405 case VLC_CODEC_MJPGB:
410 case VLC_CODEC_AMR_NB:
411 case VLC_CODEC_AMR_WB:
416 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
419 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
420 (char*)&p_input->p_fmt->i_codec );
424 p_stream = malloc( sizeof( mp4_stream_t ) );
427 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
428 p_stream->i_track_id = p_sys->i_nb_streams + 1;
429 p_stream->i_length_neg = 0;
430 p_stream->i_entry_count = 0;
431 p_stream->i_entry_max = 1000;
433 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
434 p_stream->i_dts_start = 0;
435 p_stream->i_duration = 0;
437 p_input->p_sys = p_stream;
439 msg_Dbg( p_mux, "adding input" );
441 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
445 /*****************************************************************************
447 *****************************************************************************/
448 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
451 msg_Dbg( p_mux, "removing input" );
455 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
460 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
462 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
465 if( block_FifoCount( p_fifo ) <= 1 )
467 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
469 return -1; // wait that all fifo have at least 2 packets
471 /* For SPU, we wait only 1 packet */
475 p_buf = block_FifoShow( p_fifo );
476 if( i_stream < 0 || p_buf->i_dts < i_dts )
478 i_dts = p_buf->i_dts;
484 *pi_stream = i_stream;
493 /*****************************************************************************
495 *****************************************************************************/
496 static int Mux( sout_mux_t *p_mux )
498 sout_mux_sys_t *p_sys = p_mux->p_sys;
502 sout_input_t *p_input;
504 mp4_stream_t *p_stream;
508 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
510 return( VLC_SUCCESS );
513 p_input = p_mux->pp_inputs[i_stream];
514 p_stream = (mp4_stream_t*)p_input->p_sys;
517 p_data = block_FifoGet( p_input->p_fifo );
518 if( p_stream->fmt.i_codec == VLC_CODEC_H264 )
520 p_data = ConvertAVC1( p_data );
522 else if( p_stream->fmt.i_codec == VLC_CODEC_SUBT )
524 p_data = ConvertSUBT( p_data );
526 if( p_data == NULL ) goto again;
528 if( p_stream->fmt.i_cat != SPU_ES )
530 /* Fix length of the sample */
531 if( block_FifoCount( p_input->p_fifo ) > 0 )
533 block_t *p_next = block_FifoShow( p_input->p_fifo );
534 int64_t i_diff = p_next->i_dts - p_data->i_dts;
536 if( i_diff < INT64_C(1000000 ) ) /* protection */
538 p_data->i_length = i_diff;
541 if( p_data->i_length <= 0 )
543 msg_Warn( p_mux, "i_length <= 0" );
544 p_stream->i_length_neg += p_data->i_length - 1;
545 p_data->i_length = 1;
547 else if( p_stream->i_length_neg < 0 )
549 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
551 p_data->i_length -= i_recover;
552 p_stream->i_length_neg += i_recover;
556 /* Save starting time */
557 if( p_stream->i_entry_count == 0 )
559 p_stream->i_dts_start = p_data->i_dts;
561 /* Update global dts_start */
562 if( p_sys->i_dts_start <= 0 ||
563 p_stream->i_dts_start < p_sys->i_dts_start )
565 p_sys->i_dts_start = p_stream->i_dts_start;
569 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
571 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
575 /* FIXME handle this broken case */
580 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
582 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
587 /* add index entry */
588 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
589 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
590 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
591 __MAX( p_data->i_pts - p_data->i_dts, 0 );
592 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
593 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
595 p_stream->i_entry_count++;
596 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
597 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
599 p_stream->i_entry_max += 1000;
600 p_stream->entry = xrealloc( p_stream->entry,
601 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
605 p_stream->i_duration += p_data->i_length;
606 p_sys->i_pos += p_data->i_buffer;
609 p_stream->i_last_dts = p_data->i_dts;
612 sout_AccessOutWrite( p_mux->p_access, p_data );
614 if( p_stream->fmt.i_cat == SPU_ES )
616 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
621 msg_Dbg( p_mux, "writing an empty sub" ) ;
623 /* Append a idx entry */
624 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
625 p_stream->entry[p_stream->i_entry_count].i_size = 3;
626 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
627 p_stream->entry[p_stream->i_entry_count].i_length = 0;
628 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
630 /* XXX: No need to grow the entry here */
631 p_stream->i_entry_count++;
634 p_stream->i_last_dts += i_length;
637 p_data = block_New( p_mux, 3 );
638 p_data->p_buffer[0] = 0;
639 p_data->p_buffer[1] = 1;
640 p_data->p_buffer[2] = ' ';
642 p_sys->i_pos += p_data->i_buffer;
644 sout_AccessOutWrite( p_mux->p_access, p_data );
648 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
652 return( VLC_SUCCESS );
655 /*****************************************************************************
657 *****************************************************************************/
658 static block_t *ConvertSUBT( block_t *p_block )
660 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
662 /* No trailling '\0' */
663 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
666 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
667 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
672 static block_t *ConvertAVC1( block_t *p_block )
674 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
675 uint8_t *dat = &p_block->p_buffer[4];
676 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
679 /* Replace the 4 bytes start code with 4 bytes size,
680 * FIXME are all startcodes 4 bytes ? (I don't think :( */
685 while( dat < end - 4 )
687 if( dat[0] == 0x00 && dat[1] == 0x00 &&
688 dat[2] == 0x00 && dat[3] == 0x01 )
700 i_size = dat - &last[4];
701 last[0] = ( i_size >> 24 )&0xff;
702 last[1] = ( i_size >> 16 )&0xff;
703 last[2] = ( i_size >> 8 )&0xff;
704 last[3] = ( i_size )&0xff;
706 /* Skip blocks with SPS/PPS */
707 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
709 ; // FIXME Find a way to skip dat without frelling everything
717 static int GetDescrLength( int i_size )
719 if( i_size < 0x00000080 )
721 else if( i_size < 0x00004000 )
723 else if( i_size < 0x00200000 )
729 static bo_t *GetESDS( mp4_stream_t *p_stream )
733 int i_object_type_indication;
734 int i_decoder_specific_info_size;
736 int64_t i_bitrate_avg = 0;
737 int64_t i_bitrate_max = 0;
739 /* Compute avg/max bitrate */
740 for( i = 0; i < p_stream->i_entry_count; i++ )
742 i_bitrate_avg += p_stream->entry[i].i_size;
743 if( p_stream->entry[i].i_length > 0)
745 int64_t i_bitrate = INT64_C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
746 if( i_bitrate > i_bitrate_max )
747 i_bitrate_max = i_bitrate;
751 if( p_stream->i_duration > 0 )
752 i_bitrate_avg = INT64_C(8000000) * i_bitrate_avg / p_stream->i_duration;
755 if( i_bitrate_max <= 1 )
756 i_bitrate_max = 0x7fffffff;
759 if( p_stream->fmt.i_extra > 0 )
761 i_decoder_specific_info_size =
762 GetDescrLength( p_stream->fmt.i_extra );
766 i_decoder_specific_info_size = 0;
769 esds = box_full_new( "esds", 0, 0 );
772 bo_add_descr( esds, 0x03, 3 +
773 GetDescrLength( 13 + i_decoder_specific_info_size ) +
774 GetDescrLength( 1 ) );
775 bo_add_16be( esds, p_stream->i_track_id );
776 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
778 /* DecoderConfigDescr */
779 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
781 switch( p_stream->fmt.i_codec )
784 i_object_type_indication = 0x20;
787 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
788 i_object_type_indication = 0x60;
791 /* FIXME for mpeg2-aac == 0x66->0x68 */
792 i_object_type_indication = 0x40;
795 i_object_type_indication =
796 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
799 i_object_type_indication = 0x00;
802 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
804 bo_add_8 ( esds, i_object_type_indication );
805 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
806 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
807 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
808 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
810 if( p_stream->fmt.i_extra > 0 )
814 /* DecoderSpecificInfo */
815 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
817 for( i = 0; i < p_stream->fmt.i_extra; i++ )
819 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
823 /* SL_Descr mandatory */
824 bo_add_descr( esds, 0x06, 1 );
825 bo_add_8 ( esds, 0x02 ); // sl_predefined
832 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
837 wave = box_new( "wave" );
839 box = box_new( "frma" );
840 bo_add_fourcc( box, "mp4a" );
842 box_gather( wave, box );
844 box = box_new( "mp4a" );
845 bo_add_32be( box, 0 );
847 box_gather( wave, box );
849 box = GetESDS( p_stream );
851 box_gather( wave, box );
853 box = box_new( "srcq" );
854 bo_add_32be( box, 0x40 );
856 box_gather( wave, box );
859 bo_add_32be( wave, 8 ); /* new empty box */
860 bo_add_32be( wave, 0 ); /* box label */
867 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
871 damr = box_new( "damr" );
873 bo_add_fourcc( damr, "REFC" );
876 if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
877 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
879 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
880 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
887 static bo_t *GetD263Tag( void )
891 d263 = box_new( "d263" );
893 bo_add_fourcc( d263, "VLC " );
894 bo_add_16be( d263, 0xa );
902 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
905 uint8_t *p_sps = NULL;
906 uint8_t *p_pps = NULL;
910 if( p_stream->fmt.i_extra > 0 )
912 /* FIXME: take into account multiple sps/pps */
913 uint8_t *p_buffer = p_stream->fmt.p_extra;
914 int i_buffer = p_stream->fmt.i_extra;
916 while( i_buffer > 4 &&
917 p_buffer[0] == 0 && p_buffer[1] == 0 &&
918 p_buffer[2] == 0 && p_buffer[3] == 1 )
920 const int i_nal_type = p_buffer[4]&0x1f;
925 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
927 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
929 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
930 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
932 /* we found another startcode */
933 i_startcode = i_offset;
937 i_size = i_startcode ? i_startcode : i_buffer;
938 if( i_nal_type == 7 )
940 p_sps = &p_buffer[4];
941 i_sps_size = i_size - 4;
943 if( i_nal_type == 8 )
945 p_pps = &p_buffer[4];
946 i_pps_size = i_size - 4;
953 /* FIXME use better value */
954 avcC = box_new( "avcC" );
955 bo_add_8( avcC, 1 ); /* configuration version */
956 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
957 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
958 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
959 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
961 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
964 bo_add_16be( avcC, i_sps_size );
965 bo_add_mem( avcC, i_sps_size, p_sps );
968 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
971 bo_add_16be( avcC, i_pps_size );
972 bo_add_mem( avcC, i_pps_size, p_pps );
979 /* TODO: No idea about these values */
980 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
982 bo_t *smi = box_new( "SMI " );
984 if( p_stream->fmt.i_extra > 0x4e )
986 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
987 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
989 while( p + 8 < p_end )
991 int i_size = GetDWBE( p );
994 /* FIXME handle 1 as long size */
997 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
999 bo_add_mem( smi, p_end - p - 8, &p[8] );
1006 /* Create a dummy one in fallback */
1007 bo_add_fourcc( smi, "SEQH" );
1008 bo_add_32be( smi, 0x5 );
1009 bo_add_32be( smi, 0xe2c0211d );
1010 bo_add_8( smi, 0xc0 );
1016 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1018 sout_mux_sys_t *p_sys = p_mux->p_sys;
1019 bo_t *udta = box_new( "udta" );
1020 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1024 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1026 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1028 if( p_stream->fmt.i_codec == VLC_CODEC_MP4V ||
1029 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1031 bo_t *box = box_new( "\251req" );
1033 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1034 bo_add_16be( box, 0 );
1035 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1036 (uint8_t *)"QuickTime 6.0 or greater" );
1038 box_gather( udta, box );
1045 bo_t *box = box_new( "\251enc" );
1047 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1048 bo_add_16be( box, 0 );
1049 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1050 (uint8_t*)PACKAGE_STRING " stream output" );
1052 box_gather( udta, box );
1058 #define ADD_META_BOX( type, box_string ) { \
1060 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1063 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1064 bo_add_16be( box, 0 ); \
1065 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1066 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1068 box_gather( udta, box ); \
1071 ADD_META_BOX( Title, "nam" );
1072 ADD_META_BOX( Artist, "ART" );
1073 ADD_META_BOX( Genre, "gen" );
1074 ADD_META_BOX( Copyright, "cpy" );
1075 ADD_META_BOX( Description, "des" );
1076 ADD_META_BOX( Date, "day" );
1077 ADD_META_BOX( URL, "url" );
1085 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1087 sout_mux_sys_t *p_sys = p_mux->p_sys;
1088 bool b_descr = false;
1093 switch( p_stream->fmt.i_codec )
1095 case VLC_CODEC_MP4A:
1096 memcpy( fcc, "mp4a", 4 );
1100 case VLC_CODEC_AMR_NB:
1101 case VLC_CODEC_AMR_WB:
1102 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1106 case VLC_CODEC_MPGA:
1108 memcpy( fcc, ".mp3", 4 );
1111 memcpy( fcc, "mp4a", 4 );
1117 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1121 soun = box_new( fcc );
1122 for( i = 0; i < 6; i++ )
1124 bo_add_8( soun, 0 ); // reserved;
1126 bo_add_16be( soun, 1 ); // data-reference-index
1128 /* SoundDescription */
1130 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1132 bo_add_16be( soun, 1 ); // version 1;
1136 bo_add_16be( soun, 0 ); // version 0;
1138 bo_add_16be( soun, 0 ); // revision level (0)
1139 bo_add_32be( soun, 0 ); // vendor
1141 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1143 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1144 p_stream->fmt.audio.i_bitspersample : 16 );
1145 bo_add_16be( soun, -2 ); // compression id
1146 bo_add_16be( soun, 0 ); // packet size (0)
1147 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1148 bo_add_16be( soun, 0 ); // sampleratelo
1150 /* Extended data for SoundDescription V1 */
1152 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1154 /* samples per packet */
1155 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1156 bo_add_32be( soun, 1536 ); /* bytes per packet */
1157 bo_add_32be( soun, 2 ); /* bytes per frame */
1158 /* bytes per sample */
1159 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1162 /* Add an ES Descriptor */
1168 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1170 box = GetWaveTag( p_stream );
1172 else if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
1174 box = GetDamrTag( p_stream );
1178 box = GetESDS( p_stream );
1181 box_gather( soun, box );
1189 static bo_t *GetVideBox( mp4_stream_t *p_stream )
1196 switch( p_stream->fmt.i_codec )
1198 case VLC_CODEC_MP4V:
1199 case VLC_CODEC_MPGV:
1200 memcpy( fcc, "mp4v", 4 );
1203 case VLC_CODEC_MJPG:
1204 memcpy( fcc, "mjpa", 4 );
1207 case VLC_CODEC_SVQ1:
1208 memcpy( fcc, "SVQ1", 4 );
1211 case VLC_CODEC_SVQ3:
1212 memcpy( fcc, "SVQ3", 4 );
1215 case VLC_CODEC_H263:
1216 memcpy( fcc, "s263", 4 );
1219 case VLC_CODEC_H264:
1220 memcpy( fcc, "avc1", 4 );
1223 case VLC_CODEC_YV12:
1224 memcpy( fcc, "yv12", 4 );
1227 case VLC_CODEC_YUYV:
1228 memcpy( fcc, "yuy2", 4 );
1232 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1236 vide = box_new( fcc );
1237 for( i = 0; i < 6; i++ )
1239 bo_add_8( vide, 0 ); // reserved;
1241 bo_add_16be( vide, 1 ); // data-reference-index
1243 bo_add_16be( vide, 0 ); // predefined;
1244 bo_add_16be( vide, 0 ); // reserved;
1245 for( i = 0; i < 3; i++ )
1247 bo_add_32be( vide, 0 ); // predefined;
1250 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1251 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1253 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1254 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1256 bo_add_32be( vide, 0 ); // data size, always 0
1257 bo_add_16be( vide, 1 ); // frames count per sample
1260 for( i = 0; i < 32; i++ )
1262 bo_add_8( vide, 0 );
1265 bo_add_16be( vide, 0x18 ); // depth
1266 bo_add_16be( vide, 0xffff ); // predefined
1268 /* add an ES Descriptor */
1269 switch( p_stream->fmt.i_codec )
1271 case VLC_CODEC_MP4V:
1272 case VLC_CODEC_MPGV:
1274 bo_t *esds = GetESDS( p_stream );
1277 box_gather( vide, esds );
1281 case VLC_CODEC_H263:
1283 bo_t *d263 = GetD263Tag();
1286 box_gather( vide, d263 );
1290 case VLC_CODEC_SVQ3:
1292 bo_t *esds = GetSVQ3Tag( p_stream );
1295 box_gather( vide, esds );
1299 case VLC_CODEC_H264:
1300 box_gather( vide, GetAvcCTag( p_stream ) );
1312 static bo_t *GetTextBox( void )
1315 bo_t *text = box_new( "text" );
1318 for( i = 0; i < 6; i++ )
1320 bo_add_8( text, 0 ); // reserved;
1322 bo_add_16be( text, 1 ); // data-reference-index
1324 bo_add_32be( text, 0 ); // display flags
1325 bo_add_32be( text, 0 ); // justification
1326 for( i = 0; i < 3; i++ )
1328 bo_add_16be( text, 0 ); // back ground color
1331 bo_add_16be( text, 0 ); // box text
1332 bo_add_16be( text, 0 ); // box text
1333 bo_add_16be( text, 0 ); // box text
1334 bo_add_16be( text, 0 ); // box text
1336 bo_add_64be( text, 0 ); // reserved
1337 for( i = 0; i < 3; i++ )
1339 bo_add_16be( text, 0xff ); // foreground color
1342 bo_add_8 ( text, 9 );
1343 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1350 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1352 sout_mux_sys_t *p_sys = p_mux->p_sys;
1353 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1354 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1355 uint32_t i_timescale;
1356 int64_t i_dts, i_dts_q;
1358 stbl = box_new( "stbl" );
1360 /* sample description */
1361 stsd = box_full_new( "stsd", 0, 0 );
1362 bo_add_32be( stsd, 1 );
1363 if( p_stream->fmt.i_cat == AUDIO_ES )
1365 bo_t *soun = GetSounBox( p_mux, p_stream );
1366 box_gather( stsd, soun );
1368 else if( p_stream->fmt.i_cat == VIDEO_ES )
1370 bo_t *vide = GetVideBox( p_stream );
1371 box_gather( stsd, vide );
1373 else if( p_stream->fmt.i_cat == SPU_ES )
1375 box_gather( stsd, GetTextBox() );
1379 /* chunk offset table */
1380 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1382 /* 64 bits version */
1383 p_stream->b_stco64 = true;
1384 stco = box_full_new( "co64", 0, 0 );
1388 /* 32 bits version */
1389 p_stream->b_stco64 = false;
1390 stco = box_full_new( "stco", 0, 0 );
1392 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1394 /* sample to chunk table */
1395 stsc = box_full_new( "stsc", 0, 0 );
1396 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1398 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1399 i < p_stream->i_entry_count; i_chunk++ )
1403 if( p_stream->b_stco64 )
1404 bo_add_64be( stco, p_stream->entry[i].i_pos );
1406 bo_add_32be( stco, p_stream->entry[i].i_pos );
1408 while( i < p_stream->i_entry_count )
1410 if( i + 1 < p_stream->i_entry_count &&
1411 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1412 != p_stream->entry[i + 1].i_pos )
1421 /* Add entry to the stsc table */
1422 if( i_stsc_last_val != i - i_first )
1424 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1425 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1426 bo_add_32be( stsc, 1 ); // sample-descr-index
1427 i_stsc_last_val = i - i_first;
1432 /* Fix stco entry count */
1433 bo_fix_32be( stco, 12, i_chunk );
1434 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1437 /* Fix stsc entry count */
1438 bo_fix_32be( stsc, 12, i_stsc_entries );
1442 stts = box_full_new( "stts", 0, 0 );
1443 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1445 if( p_stream->fmt.i_cat == AUDIO_ES )
1446 i_timescale = p_stream->fmt.audio.i_rate;
1450 /* first, create quantified length */
1451 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1453 int64_t i_dts_deq = i_dts_q * INT64_C(1000000) / (int64_t)i_timescale;
1454 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1456 i_dts += p_stream->entry[i].i_length;
1458 p_stream->entry[i].i_length =
1459 i_delta * (int64_t)i_timescale / INT64_C(1000000);
1461 i_dts_q += p_stream->entry[i].i_length;
1463 /* then write encoded table */
1464 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1467 int64_t i_delta = p_stream->entry[i].i_length;
1469 while( i < p_stream->i_entry_count )
1472 if( i >= p_stream->i_entry_count ||
1473 p_stream->entry[i].i_length != i_delta )
1479 bo_add_32be( stts, i - i_first ); // sample-count
1480 bo_add_32be( stts, i_delta ); // sample-delta
1482 bo_fix_32be( stts, 12, i_index );
1485 /* FIXME add ctts ?? FIXME */
1487 stsz = box_full_new( "stsz", 0, 0 );
1488 bo_add_32be( stsz, 0 ); // sample-size
1489 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1490 for( i = 0; i < p_stream->i_entry_count; i++ )
1492 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1496 /* create stss table */
1498 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1500 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1504 stss = box_full_new( "stss", 0, 0 );
1505 bo_add_32be( stss, 0 ); /* fixed later */
1507 bo_add_32be( stss, 1 + i );
1513 bo_fix_32be( stss, 12, i_index );
1517 /* Now gather all boxes into stbl */
1518 box_gather( stbl, stsd );
1519 box_gather( stbl, stts );
1522 box_gather( stbl, stss );
1524 box_gather( stbl, stsc );
1525 box_gather( stbl, stsz );
1526 p_stream->i_stco_pos = stbl->i_buffer + 16;
1527 box_gather( stbl, stco );
1535 static int64_t get_timestamp(void);
1537 static const uint32_t mvhd_matrix[9] =
1538 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1540 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1542 sout_mux_sys_t *p_sys = p_mux->p_sys;
1547 uint32_t i_movie_timescale = 90000;
1548 int64_t i_movie_duration = 0;
1550 moov = box_new( "moov" );
1552 /* Create general info */
1553 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1555 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1556 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1558 msg_Dbg( p_mux, "movie duration %ds",
1559 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1561 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1563 /* *** add /moov/mvhd *** */
1564 if( !p_sys->b_64_ext )
1566 mvhd = box_full_new( "mvhd", 0, 0 );
1567 bo_add_32be( mvhd, get_timestamp() ); // creation time
1568 bo_add_32be( mvhd, get_timestamp() ); // modification time
1569 bo_add_32be( mvhd, i_movie_timescale); // timescale
1570 bo_add_32be( mvhd, i_movie_duration ); // duration
1574 mvhd = box_full_new( "mvhd", 1, 0 );
1575 bo_add_64be( mvhd, get_timestamp() ); // creation time
1576 bo_add_64be( mvhd, get_timestamp() ); // modification time
1577 bo_add_32be( mvhd, i_movie_timescale); // timescale
1578 bo_add_64be( mvhd, i_movie_duration ); // duration
1580 bo_add_32be( mvhd, 0x10000 ); // rate
1581 bo_add_16be( mvhd, 0x100 ); // volume
1582 bo_add_16be( mvhd, 0 ); // reserved
1583 for( i = 0; i < 2; i++ )
1585 bo_add_32be( mvhd, 0 ); // reserved
1587 for( i = 0; i < 9; i++ )
1589 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1591 for( i = 0; i < 6; i++ )
1593 bo_add_32be( mvhd, 0 ); // pre-defined
1596 /* Next available track id */
1597 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1600 box_gather( moov, mvhd );
1602 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1604 mp4_stream_t *p_stream;
1605 uint32_t i_timescale;
1607 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1608 bo_t *minf, *dinf, *dref, *url, *stbl;
1610 p_stream = p_sys->pp_streams[i_trak];
1612 if( p_stream->fmt.i_cat == AUDIO_ES )
1613 i_timescale = p_stream->fmt.audio.i_rate;
1617 /* *** add /moov/trak *** */
1618 trak = box_new( "trak" );
1620 /* *** add /moov/trak/tkhd *** */
1621 if( !p_sys->b_64_ext )
1624 tkhd = box_full_new( "tkhd", 0, 0x0f );
1626 tkhd = box_full_new( "tkhd", 0, 1 );
1628 bo_add_32be( tkhd, get_timestamp() ); // creation time
1629 bo_add_32be( tkhd, get_timestamp() ); // modification time
1630 bo_add_32be( tkhd, p_stream->i_track_id );
1631 bo_add_32be( tkhd, 0 ); // reserved 0
1632 bo_add_32be( tkhd, p_stream->i_duration *
1633 (int64_t)i_movie_timescale /
1634 (mtime_t)1000000 ); // duration
1639 tkhd = box_full_new( "tkhd", 1, 0x0f );
1641 tkhd = box_full_new( "tkhd", 1, 1 );
1643 bo_add_64be( tkhd, get_timestamp() ); // creation time
1644 bo_add_64be( tkhd, get_timestamp() ); // modification time
1645 bo_add_32be( tkhd, p_stream->i_track_id );
1646 bo_add_32be( tkhd, 0 ); // reserved 0
1647 bo_add_64be( tkhd, p_stream->i_duration *
1648 (int64_t)i_movie_timescale /
1649 (mtime_t)1000000 ); // duration
1652 for( i = 0; i < 2; i++ )
1654 bo_add_32be( tkhd, 0 ); // reserved
1656 bo_add_16be( tkhd, 0 ); // layer
1657 bo_add_16be( tkhd, 0 ); // pre-defined
1659 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1660 bo_add_16be( tkhd, 0 ); // reserved
1661 for( i = 0; i < 9; i++ )
1663 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1665 if( p_stream->fmt.i_cat == AUDIO_ES )
1667 bo_add_32be( tkhd, 0 ); // width (presentation)
1668 bo_add_32be( tkhd, 0 ); // height(presentation)
1670 else if( p_stream->fmt.i_cat == VIDEO_ES )
1672 int i_width = p_stream->fmt.video.i_width << 16;
1673 if( p_stream->fmt.video.i_aspect > 0 )
1675 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1676 ((int64_t)p_stream->fmt.video.i_height << 16) /
1679 // width (presentation)
1680 bo_add_32be( tkhd, i_width );
1681 // height(presentation)
1682 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1686 int i_width = 320 << 16;
1689 for( i = 0; i < p_sys->i_nb_streams; i++ )
1691 mp4_stream_t *tk = p_sys->pp_streams[i];
1692 if( tk->fmt.i_cat == VIDEO_ES )
1694 if( p_stream->fmt.video.i_aspect )
1695 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1696 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1698 i_width = p_stream->fmt.video.i_width << 16;
1699 i_height = p_stream->fmt.video.i_height;
1703 bo_add_32be( tkhd, i_width ); // width (presentation)
1704 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1708 box_gather( trak, tkhd );
1710 /* *** add /moov/trak/edts and elst */
1711 edts = box_new( "edts" );
1712 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1713 if( p_stream->i_dts_start > p_sys->i_dts_start )
1715 bo_add_32be( elst, 2 );
1717 if( p_sys->b_64_ext )
1719 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1720 i_movie_timescale / INT64_C(1000000) );
1721 bo_add_64be( elst, -1 );
1725 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1726 i_movie_timescale / INT64_C(1000000) );
1727 bo_add_32be( elst, -1 );
1729 bo_add_16be( elst, 1 );
1730 bo_add_16be( elst, 0 );
1734 bo_add_32be( elst, 1 );
1736 if( p_sys->b_64_ext )
1738 bo_add_64be( elst, p_stream->i_duration *
1739 i_movie_timescale / INT64_C(1000000) );
1740 bo_add_64be( elst, 0 );
1744 bo_add_32be( elst, p_stream->i_duration *
1745 i_movie_timescale / INT64_C(1000000) );
1746 bo_add_32be( elst, 0 );
1748 bo_add_16be( elst, 1 );
1749 bo_add_16be( elst, 0 );
1752 box_gather( edts, elst );
1754 box_gather( trak, edts );
1756 /* *** add /moov/trak/mdia *** */
1757 mdia = box_new( "mdia" );
1760 if( !p_sys->b_64_ext )
1762 mdhd = box_full_new( "mdhd", 0, 0 );
1763 bo_add_32be( mdhd, get_timestamp() ); // creation time
1764 bo_add_32be( mdhd, get_timestamp() ); // modification time
1765 bo_add_32be( mdhd, i_timescale); // timescale
1766 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1767 (mtime_t)1000000 ); // duration
1771 mdhd = box_full_new( "mdhd", 1, 0 );
1772 bo_add_64be( mdhd, get_timestamp() ); // creation time
1773 bo_add_64be( mdhd, get_timestamp() ); // modification time
1774 bo_add_32be( mdhd, i_timescale); // timescale
1775 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1776 (mtime_t)1000000 ); // duration
1779 if( p_stream->fmt.psz_language )
1781 char *psz = p_stream->fmt.psz_language;
1782 const iso639_lang_t *pl = NULL;
1783 uint16_t lang = 0x0;
1785 if( strlen( psz ) == 2 )
1787 pl = GetLang_1( psz );
1789 else if( strlen( psz ) == 3 )
1791 pl = GetLang_2B( psz );
1792 if( !strcmp( pl->psz_iso639_1, "??" ) )
1794 pl = GetLang_2T( psz );
1797 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1799 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1800 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1801 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1803 bo_add_16be( mdhd, lang ); // language
1807 bo_add_16be( mdhd, 0 ); // language
1809 bo_add_16be( mdhd, 0 ); // predefined
1811 box_gather( mdia, mdhd );
1813 /* handler reference */
1814 hdlr = box_full_new( "hdlr", 0, 0 );
1817 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1819 bo_add_32be( hdlr, 0 );
1821 if( p_stream->fmt.i_cat == AUDIO_ES )
1822 bo_add_fourcc( hdlr, "soun" );
1823 else if( p_stream->fmt.i_cat == VIDEO_ES )
1824 bo_add_fourcc( hdlr, "vide" );
1825 else if( p_stream->fmt.i_cat == SPU_ES )
1826 bo_add_fourcc( hdlr, "text" );
1828 bo_add_32be( hdlr, 0 ); // reserved
1829 bo_add_32be( hdlr, 0 ); // reserved
1830 bo_add_32be( hdlr, 0 ); // reserved
1833 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1835 if( p_stream->fmt.i_cat == AUDIO_ES )
1836 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1837 else if( p_stream->fmt.i_cat == VIDEO_ES )
1838 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1840 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1843 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1846 box_gather( mdia, hdlr );
1849 minf = box_new( "minf" );
1852 if( p_stream->fmt.i_cat == AUDIO_ES )
1856 smhd = box_full_new( "smhd", 0, 0 );
1857 bo_add_16be( smhd, 0 ); // balance
1858 bo_add_16be( smhd, 0 ); // reserved
1861 box_gather( minf, smhd );
1863 else if( p_stream->fmt.i_cat == VIDEO_ES )
1867 vmhd = box_full_new( "vmhd", 0, 1 );
1868 bo_add_16be( vmhd, 0 ); // graphicsmode
1869 for( i = 0; i < 3; i++ )
1871 bo_add_16be( vmhd, 0 ); // opcolor
1875 box_gather( minf, vmhd );
1877 else if( p_stream->fmt.i_cat == SPU_ES )
1879 bo_t *gmhd = box_new( "gmhd" );
1880 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1882 bo_add_16be( gmin, 0 ); // graphicsmode
1883 for( i = 0; i < 3; i++ )
1885 bo_add_16be( gmin, 0 ); // opcolor
1887 bo_add_16be( gmin, 0 ); // balance
1888 bo_add_16be( gmin, 0 ); // reserved
1891 box_gather( gmhd, gmin );
1894 box_gather( minf, gmhd );
1898 dinf = box_new( "dinf" );
1899 dref = box_full_new( "dref", 0, 0 );
1900 bo_add_32be( dref, 1 );
1901 url = box_full_new( "url ", 0, 0x01 );
1903 box_gather( dref, url );
1905 box_gather( dinf, dref );
1907 /* append dinf to mdia */
1909 box_gather( minf, dinf );
1912 stbl = GetStblBox( p_mux, p_stream );
1914 /* append stbl to minf */
1915 p_stream->i_stco_pos += minf->i_buffer;
1916 box_gather( minf, stbl );
1918 /* append minf to mdia */
1920 p_stream->i_stco_pos += mdia->i_buffer;
1921 box_gather( mdia, minf );
1923 /* append mdia to trak */
1925 p_stream->i_stco_pos += trak->i_buffer;
1926 box_gather( trak, mdia );
1928 /* append trak to moov */
1930 p_stream->i_stco_pos += moov->i_buffer;
1931 box_gather( moov, trak );
1934 /* Add user data tags */
1935 box_gather( moov, GetUdtaTag( p_mux ) );
1941 /****************************************************************************/
1943 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1948 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1949 p_bo->p_buffer = xmalloc( p_bo->i_buffer_size );
1953 p_bo->i_buffer_size = i_size;
1954 p_bo->p_buffer = p_buffer;
1957 p_bo->b_grow = b_grow;
1961 static void bo_add_8( bo_t *p_bo, uint8_t i )
1963 if( p_bo->i_buffer < p_bo->i_buffer_size )
1965 p_bo->p_buffer[p_bo->i_buffer] = i;
1967 else if( p_bo->b_grow )
1969 p_bo->i_buffer_size += 1024;
1970 p_bo->p_buffer = xrealloc( p_bo->p_buffer, p_bo->i_buffer_size );
1971 p_bo->p_buffer[p_bo->i_buffer] = i;
1977 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1979 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1980 bo_add_8( p_bo, i &0xff );
1983 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1985 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1986 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1987 bo_add_8( p_bo, ( i &0xff ) );
1989 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1991 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1992 bo_add_16be( p_bo, i &0xffff );
1995 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1997 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1998 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1999 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
2000 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
2003 static void bo_add_64be( bo_t *p_bo, uint64_t i )
2005 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
2006 bo_add_32be( p_bo, i &0xffffffff );
2009 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
2011 bo_add_8( p_bo, fcc[0] );
2012 bo_add_8( p_bo, fcc[1] );
2013 bo_add_8( p_bo, fcc[2] );
2014 bo_add_8( p_bo, fcc[3] );
2017 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2021 for( i = 0; i < i_size; i++ )
2023 bo_add_8( p_bo, p_mem[i] );
2027 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2033 vals[3] = (unsigned char)(i_length & 0x7f);
2035 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2037 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2039 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2041 bo_add_8( p_bo, tag );
2043 if( i_size < 0x00000080 )
2045 bo_add_8( p_bo, vals[3] );
2047 else if( i_size < 0x00004000 )
2049 bo_add_8( p_bo, vals[2] );
2050 bo_add_8( p_bo, vals[3] );
2052 else if( i_size < 0x00200000 )
2054 bo_add_8( p_bo, vals[1] );
2055 bo_add_8( p_bo, vals[2] );
2056 bo_add_8( p_bo, vals[3] );
2058 else if( i_size < 0x10000000 )
2060 bo_add_8( p_bo, vals[0] );
2061 bo_add_8( p_bo, vals[1] );
2062 bo_add_8( p_bo, vals[2] );
2063 bo_add_8( p_bo, vals[3] );
2067 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2071 for( i = 0; i < p_bo2->i_buffer; i++ )
2073 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2077 static bo_t * box_new( const char *fcc )
2081 if( ( box = malloc( sizeof( bo_t ) ) ) )
2083 bo_init( box, 0, NULL, true );
2085 bo_add_32be ( box, 0 );
2086 bo_add_fourcc( box, fcc );
2092 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2096 if( ( box = malloc( sizeof( bo_t ) ) ) )
2098 bo_init( box, 0, NULL, true );
2100 bo_add_32be ( box, 0 );
2101 bo_add_fourcc( box, fcc );
2102 bo_add_8 ( box, v );
2103 bo_add_24be ( box, f );
2109 static void box_fix( bo_t *box )
2113 memcpy( &box_tmp, box, sizeof( bo_t ) );
2115 box_tmp.i_buffer = 0;
2116 bo_add_32be( &box_tmp, box->i_buffer );
2119 static void box_free( bo_t *box )
2121 free( box->p_buffer );
2125 static void box_gather ( bo_t *box, bo_t *box2 )
2127 bo_add_bo( box, box2 );
2131 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2136 p_buf = block_New( p_sout, box->i_buffer );
2137 if( box->i_buffer > 0 )
2139 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2145 static void box_send( sout_mux_t *p_mux, bo_t *box )
2149 p_buf = bo_to_sout( p_mux->p_sout, box );
2152 sout_AccessOutWrite( p_mux->p_access, p_buf );
2155 static int64_t get_timestamp(void)
2157 int64_t i_timestamp = time(NULL);
2159 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2160 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60