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,
64 FASTSTART_TEXT, FASTSTART_LONGTEXT,
66 set_capability( "sout mux", 5 )
67 add_shortcut( "mp4", "mov", "3gp" )
68 set_callbacks( Open, Close )
71 /*****************************************************************************
73 *****************************************************************************/
74 static const char *const ppsz_sout_options[] = {
78 static int Control( sout_mux_t *, int, va_list );
79 static int AddStream( sout_mux_t *, sout_input_t * );
80 static int DelStream( sout_mux_t *, sout_input_t * );
81 static int Mux ( sout_mux_t * );
83 /*****************************************************************************
85 *****************************************************************************/
103 unsigned int i_entry_count;
104 unsigned int i_entry_max;
106 int64_t i_length_neg;
112 /* for later stco fix-up (fast start files) */
121 struct sout_mux_sys_t
134 mp4_stream_t **pp_streams;
147 static void bo_init ( bo_t *, int , uint8_t *, bool );
148 static void bo_add_8 ( bo_t *, uint8_t );
149 static void bo_add_16be ( bo_t *, uint16_t );
150 static void bo_add_24be ( bo_t *, uint32_t );
151 static void bo_add_32be ( bo_t *, uint32_t );
152 static void bo_add_64be ( bo_t *, uint64_t );
153 static void bo_add_fourcc(bo_t *, const char * );
154 static void bo_add_bo ( bo_t *, bo_t * );
155 static void bo_add_mem ( bo_t *, int , uint8_t * );
156 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
158 static void bo_fix_32be ( bo_t *, int , uint32_t );
160 static bo_t *box_new ( const char *fcc );
161 static bo_t *box_full_new( const char *fcc, uint8_t v, uint32_t f );
162 static void box_fix ( bo_t *box );
163 static void box_free ( bo_t *box );
164 static void box_gather ( bo_t *box, bo_t *box2 );
166 static void box_send( sout_mux_t *p_mux, bo_t *box );
168 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
170 static bo_t *GetMoovBox( sout_mux_t *p_mux );
172 static block_t *ConvertSUBT( block_t *);
173 static block_t *ConvertAVC1( block_t * );
175 /*****************************************************************************
177 *****************************************************************************/
178 static int Open( vlc_object_t *p_this )
180 sout_mux_t *p_mux = (sout_mux_t*)p_this;
181 sout_mux_sys_t *p_sys;
184 msg_Dbg( p_mux, "Mp4 muxer opened" );
185 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
187 p_mux->pf_control = Control;
188 p_mux->pf_addstream = AddStream;
189 p_mux->pf_delstream = DelStream;
191 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
195 p_sys->i_nb_streams = 0;
196 p_sys->pp_streams = NULL;
197 p_sys->i_mdat_pos = 0;
198 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
199 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
200 p_sys->i_dts_start = 0;
205 /* Now add ftyp header */
206 box = box_new( "ftyp" );
207 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp6" );
208 else bo_add_fourcc( box, "isom" );
209 bo_add_32be ( box, 0 );
210 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
211 else bo_add_fourcc( box, "mp41" );
212 bo_add_fourcc( box, "avc1" );
213 bo_add_fourcc( box, "qt " );
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 /*****************************************************************************
457 *****************************************************************************/
458 static int Mux( sout_mux_t *p_mux )
460 sout_mux_sys_t *p_sys = p_mux->p_sys;
464 sout_input_t *p_input;
465 mp4_stream_t *p_stream;
469 int i_stream = sout_MuxGetStream( p_mux, 2, &i_dts);
472 return( VLC_SUCCESS );
475 p_input = p_mux->pp_inputs[i_stream];
476 p_stream = (mp4_stream_t*)p_input->p_sys;
479 p_data = block_FifoGet( p_input->p_fifo );
480 if( p_stream->fmt.i_codec == VLC_CODEC_H264 )
482 p_data = ConvertAVC1( p_data );
484 else if( p_stream->fmt.i_codec == VLC_CODEC_SUBT )
486 p_data = ConvertSUBT( p_data );
488 if( p_data == NULL ) goto again;
490 if( p_stream->fmt.i_cat != SPU_ES )
492 /* Fix length of the sample */
493 if( block_FifoCount( p_input->p_fifo ) > 0 )
495 block_t *p_next = block_FifoShow( p_input->p_fifo );
496 int64_t i_diff = p_next->i_dts - p_data->i_dts;
498 if( i_diff < INT64_C(1000000 ) ) /* protection */
500 p_data->i_length = i_diff;
503 if( p_data->i_length <= 0 )
505 msg_Warn( p_mux, "i_length <= 0" );
506 p_stream->i_length_neg += p_data->i_length - 1;
507 p_data->i_length = 1;
509 else if( p_stream->i_length_neg < 0 )
511 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
513 p_data->i_length -= i_recover;
514 p_stream->i_length_neg += i_recover;
518 /* Save starting time */
519 if( p_stream->i_entry_count == 0 )
521 p_stream->i_dts_start = p_data->i_dts;
523 /* Update global dts_start */
524 if( p_sys->i_dts_start <= 0 ||
525 p_stream->i_dts_start < p_sys->i_dts_start )
527 p_sys->i_dts_start = p_stream->i_dts_start;
531 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
533 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
537 /* FIXME handle this broken case */
542 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
544 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
549 /* add index entry */
550 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
551 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
552 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
553 __MAX( p_data->i_pts - p_data->i_dts, 0 );
554 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
555 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
557 p_stream->i_entry_count++;
558 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
559 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
561 p_stream->i_entry_max += 1000;
562 p_stream->entry = xrealloc( p_stream->entry,
563 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
567 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start + p_data->i_length;
568 p_sys->i_pos += p_data->i_buffer;
571 p_stream->i_last_dts = p_data->i_dts;
574 sout_AccessOutWrite( p_mux->p_access, p_data );
576 if( p_stream->fmt.i_cat == SPU_ES )
578 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
583 msg_Dbg( p_mux, "writing an empty sub" ) ;
585 /* Append a idx entry */
586 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
587 p_stream->entry[p_stream->i_entry_count].i_size = 3;
588 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
589 p_stream->entry[p_stream->i_entry_count].i_length = 0;
590 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
592 /* XXX: No need to grow the entry here */
593 p_stream->i_entry_count++;
596 p_stream->i_last_dts += i_length;
599 p_data = block_New( p_mux, 3 );
600 p_data->p_buffer[0] = 0;
601 p_data->p_buffer[1] = 1;
602 p_data->p_buffer[2] = ' ';
604 p_sys->i_pos += p_data->i_buffer;
606 sout_AccessOutWrite( p_mux->p_access, p_data );
610 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
614 return( VLC_SUCCESS );
617 /*****************************************************************************
619 *****************************************************************************/
620 static block_t *ConvertSUBT( block_t *p_block )
622 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
624 /* No trailling '\0' */
625 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
628 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
629 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
634 static block_t *ConvertAVC1( block_t *p_block )
636 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
637 uint8_t *dat = &p_block->p_buffer[4];
638 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
641 /* Replace the 4 bytes start code with 4 bytes size,
642 * FIXME are all startcodes 4 bytes ? (I don't think :( */
647 while( dat < end - 4 )
649 if( dat[0] == 0x00 && dat[1] == 0x00 &&
650 dat[2] == 0x00 && dat[3] == 0x01 )
662 i_size = dat - &last[4];
663 last[0] = ( i_size >> 24 )&0xff;
664 last[1] = ( i_size >> 16 )&0xff;
665 last[2] = ( i_size >> 8 )&0xff;
666 last[3] = ( i_size )&0xff;
668 /* Skip blocks with SPS/PPS */
669 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
671 ; // FIXME Find a way to skip dat without frelling everything
679 static bo_t *GetESDS( mp4_stream_t *p_stream )
683 int i_object_type_indication;
684 int i_decoder_specific_info_size;
686 int64_t i_bitrate_avg = 0;
687 int64_t i_bitrate_max = 0;
689 /* Compute avg/max bitrate */
690 for( i = 0; i < p_stream->i_entry_count; i++ )
692 i_bitrate_avg += p_stream->entry[i].i_size;
693 if( p_stream->entry[i].i_length > 0)
695 int64_t i_bitrate = INT64_C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
696 if( i_bitrate > i_bitrate_max )
697 i_bitrate_max = i_bitrate;
701 if( p_stream->i_duration > 0 )
702 i_bitrate_avg = INT64_C(8000000) * i_bitrate_avg / p_stream->i_duration;
705 if( i_bitrate_max <= 1 )
706 i_bitrate_max = 0x7fffffff;
709 i_decoder_specific_info_size = ( p_stream->fmt.i_extra > 0 ) ? 5 + p_stream->fmt.i_extra : 0;
711 esds = box_full_new( "esds", 0, 0 );
714 bo_add_descr( esds, 0x03, 3 + 5 + 13 + i_decoder_specific_info_size + 5 + 1 );
715 bo_add_16be( esds, p_stream->i_track_id );
716 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
718 /* DecoderConfigDescr */
719 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
721 switch( p_stream->fmt.i_codec )
724 i_object_type_indication = 0x20;
727 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
728 i_object_type_indication = 0x60;
731 /* FIXME for mpeg2-aac == 0x66->0x68 */
732 i_object_type_indication = 0x40;
735 i_object_type_indication =
736 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
739 i_object_type_indication = 0x00;
742 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
744 bo_add_8 ( esds, i_object_type_indication );
745 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
746 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
747 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
748 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
750 if( p_stream->fmt.i_extra > 0 )
754 /* DecoderSpecificInfo */
755 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
757 for( i = 0; i < p_stream->fmt.i_extra; i++ )
759 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
763 /* SL_Descr mandatory */
764 bo_add_descr( esds, 0x06, 1 );
765 bo_add_8 ( esds, 0x02 ); // sl_predefined
772 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
777 wave = box_new( "wave" );
779 box = box_new( "frma" );
780 bo_add_fourcc( box, "mp4a" );
782 box_gather( wave, box );
784 box = box_new( "mp4a" );
785 bo_add_32be( box, 0 );
787 box_gather( wave, box );
789 box = GetESDS( p_stream );
791 box_gather( wave, box );
793 box = box_new( "srcq" );
794 bo_add_32be( box, 0x40 );
796 box_gather( wave, box );
799 bo_add_32be( wave, 8 ); /* new empty box */
800 bo_add_32be( wave, 0 ); /* box label */
807 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
811 damr = box_new( "damr" );
813 bo_add_fourcc( damr, "REFC" );
816 if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
817 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
819 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
820 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
827 static bo_t *GetD263Tag( void )
831 d263 = box_new( "d263" );
833 bo_add_fourcc( d263, "VLC " );
834 bo_add_16be( d263, 0xa );
842 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
845 uint8_t *p_sps = NULL;
846 uint8_t *p_pps = NULL;
850 if( p_stream->fmt.i_extra > 0 )
852 /* FIXME: take into account multiple sps/pps */
853 uint8_t *p_buffer = p_stream->fmt.p_extra;
854 int i_buffer = p_stream->fmt.i_extra;
856 while( i_buffer > 3 )
859 while( p_buffer[0] != 0 || p_buffer[1] != 0 ||
865 const int i_nal_type = p_buffer[3]&0x1f;
871 for( i_offset = 1; i_offset+2 < i_buffer ; i_offset++)
873 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
874 p_buffer[i_offset+2] == 1 )
876 /* we found another startcode */
877 i_startcode = i_offset;
878 while( p_buffer[i_startcode-1] == 0 && i_startcode > 0 )
883 i_size = i_startcode ? i_startcode : i_buffer;
885 if( i_nal_type == 7 )
887 p_sps = &p_buffer[3];
888 i_sps_size = i_size - 3;
890 if( i_nal_type == 8 )
892 p_pps = &p_buffer[3];
893 i_pps_size = i_size - 3;
900 /* FIXME use better value */
901 avcC = box_new( "avcC" );
902 bo_add_8( avcC, 1 ); /* configuration version */
903 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
904 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
905 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
906 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
908 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
911 bo_add_16be( avcC, i_sps_size );
912 bo_add_mem( avcC, i_sps_size, p_sps );
915 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
918 bo_add_16be( avcC, i_pps_size );
919 bo_add_mem( avcC, i_pps_size, p_pps );
926 /* TODO: No idea about these values */
927 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
929 bo_t *smi = box_new( "SMI " );
931 if( p_stream->fmt.i_extra > 0x4e )
933 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
934 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
936 while( p + 8 < p_end )
938 int i_size = GetDWBE( p );
941 /* FIXME handle 1 as long size */
944 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
946 bo_add_mem( smi, p_end - p - 8, &p[8] );
953 /* Create a dummy one in fallback */
954 bo_add_fourcc( smi, "SEQH" );
955 bo_add_32be( smi, 0x5 );
956 bo_add_32be( smi, 0xe2c0211d );
957 bo_add_8( smi, 0xc0 );
963 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
965 sout_mux_sys_t *p_sys = p_mux->p_sys;
966 bo_t *udta = box_new( "udta" );
967 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
971 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
973 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
975 if( p_stream->fmt.i_codec == VLC_CODEC_MP4V ||
976 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
978 bo_t *box = box_new( "\251req" );
980 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
981 bo_add_16be( box, 0 );
982 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
983 (uint8_t *)"QuickTime 6.0 or greater" );
985 box_gather( udta, box );
992 bo_t *box = box_new( "\251enc" );
994 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
995 bo_add_16be( box, 0 );
996 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
997 (uint8_t*)PACKAGE_STRING " stream output" );
999 box_gather( udta, box );
1005 #define ADD_META_BOX( type, box_string ) { \
1007 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1010 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1011 bo_add_16be( box, 0 ); \
1012 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1013 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1015 box_gather( udta, box ); \
1018 ADD_META_BOX( Title, "nam" );
1019 ADD_META_BOX( Artist, "ART" );
1020 ADD_META_BOX( Genre, "gen" );
1021 ADD_META_BOX( Copyright, "cpy" );
1022 ADD_META_BOX( Description, "des" );
1023 ADD_META_BOX( Date, "day" );
1024 ADD_META_BOX( URL, "url" );
1032 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1034 sout_mux_sys_t *p_sys = p_mux->p_sys;
1035 bool b_descr = false;
1040 switch( p_stream->fmt.i_codec )
1042 case VLC_CODEC_MP4A:
1043 memcpy( fcc, "mp4a", 4 );
1047 case VLC_CODEC_AMR_NB:
1048 case VLC_CODEC_AMR_WB:
1049 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1053 case VLC_CODEC_MPGA:
1055 memcpy( fcc, ".mp3", 4 );
1058 memcpy( fcc, "mp4a", 4 );
1064 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1068 soun = box_new( fcc );
1069 for( i = 0; i < 6; i++ )
1071 bo_add_8( soun, 0 ); // reserved;
1073 bo_add_16be( soun, 1 ); // data-reference-index
1075 /* SoundDescription */
1077 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1079 bo_add_16be( soun, 1 ); // version 1;
1083 bo_add_16be( soun, 0 ); // version 0;
1085 bo_add_16be( soun, 0 ); // revision level (0)
1086 bo_add_32be( soun, 0 ); // vendor
1088 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1090 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1091 p_stream->fmt.audio.i_bitspersample : 16 );
1092 bo_add_16be( soun, -2 ); // compression id
1093 bo_add_16be( soun, 0 ); // packet size (0)
1094 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1095 bo_add_16be( soun, 0 ); // sampleratelo
1097 /* Extended data for SoundDescription V1 */
1099 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1101 /* samples per packet */
1102 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1103 bo_add_32be( soun, 1536 ); /* bytes per packet */
1104 bo_add_32be( soun, 2 ); /* bytes per frame */
1105 /* bytes per sample */
1106 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1109 /* Add an ES Descriptor */
1115 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1117 box = GetWaveTag( p_stream );
1119 else if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
1121 box = GetDamrTag( p_stream );
1125 box = GetESDS( p_stream );
1128 box_gather( soun, box );
1136 static bo_t *GetVideBox( mp4_stream_t *p_stream )
1143 switch( p_stream->fmt.i_codec )
1145 case VLC_CODEC_MP4V:
1146 case VLC_CODEC_MPGV:
1147 memcpy( fcc, "mp4v", 4 );
1150 case VLC_CODEC_MJPG:
1151 memcpy( fcc, "mjpa", 4 );
1154 case VLC_CODEC_SVQ1:
1155 memcpy( fcc, "SVQ1", 4 );
1158 case VLC_CODEC_SVQ3:
1159 memcpy( fcc, "SVQ3", 4 );
1162 case VLC_CODEC_H263:
1163 memcpy( fcc, "s263", 4 );
1166 case VLC_CODEC_H264:
1167 memcpy( fcc, "avc1", 4 );
1170 case VLC_CODEC_YV12:
1171 memcpy( fcc, "yv12", 4 );
1174 case VLC_CODEC_YUYV:
1175 memcpy( fcc, "yuy2", 4 );
1179 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1183 vide = box_new( fcc );
1184 for( i = 0; i < 6; i++ )
1186 bo_add_8( vide, 0 ); // reserved;
1188 bo_add_16be( vide, 1 ); // data-reference-index
1190 bo_add_16be( vide, 0 ); // predefined;
1191 bo_add_16be( vide, 0 ); // reserved;
1192 for( i = 0; i < 3; i++ )
1194 bo_add_32be( vide, 0 ); // predefined;
1197 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1198 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1200 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1201 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1203 bo_add_32be( vide, 0 ); // data size, always 0
1204 bo_add_16be( vide, 1 ); // frames count per sample
1207 for( i = 0; i < 32; i++ )
1209 bo_add_8( vide, 0 );
1212 bo_add_16be( vide, 0x18 ); // depth
1213 bo_add_16be( vide, 0xffff ); // predefined
1215 /* add an ES Descriptor */
1216 switch( p_stream->fmt.i_codec )
1218 case VLC_CODEC_MP4V:
1219 case VLC_CODEC_MPGV:
1221 bo_t *esds = GetESDS( p_stream );
1224 box_gather( vide, esds );
1228 case VLC_CODEC_H263:
1230 bo_t *d263 = GetD263Tag();
1233 box_gather( vide, d263 );
1237 case VLC_CODEC_SVQ3:
1239 bo_t *esds = GetSVQ3Tag( p_stream );
1242 box_gather( vide, esds );
1246 case VLC_CODEC_H264:
1247 box_gather( vide, GetAvcCTag( p_stream ) );
1259 static bo_t *GetTextBox( void )
1262 bo_t *text = box_new( "text" );
1265 for( i = 0; i < 6; i++ )
1267 bo_add_8( text, 0 ); // reserved;
1269 bo_add_16be( text, 1 ); // data-reference-index
1271 bo_add_32be( text, 0 ); // display flags
1272 bo_add_32be( text, 0 ); // justification
1273 for( i = 0; i < 3; i++ )
1275 bo_add_16be( text, 0 ); // back ground color
1278 bo_add_16be( text, 0 ); // box text
1279 bo_add_16be( text, 0 ); // box text
1280 bo_add_16be( text, 0 ); // box text
1281 bo_add_16be( text, 0 ); // box text
1283 bo_add_64be( text, 0 ); // reserved
1284 for( i = 0; i < 3; i++ )
1286 bo_add_16be( text, 0xff ); // foreground color
1289 bo_add_8 ( text, 9 );
1290 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1297 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1299 sout_mux_sys_t *p_sys = p_mux->p_sys;
1300 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1301 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1302 uint32_t i_timescale;
1303 int64_t i_dts, i_dts_q;
1305 stbl = box_new( "stbl" );
1307 /* sample description */
1308 stsd = box_full_new( "stsd", 0, 0 );
1309 bo_add_32be( stsd, 1 );
1310 if( p_stream->fmt.i_cat == AUDIO_ES )
1312 bo_t *soun = GetSounBox( p_mux, p_stream );
1313 box_gather( stsd, soun );
1315 else if( p_stream->fmt.i_cat == VIDEO_ES )
1317 bo_t *vide = GetVideBox( p_stream );
1318 box_gather( stsd, vide );
1320 else if( p_stream->fmt.i_cat == SPU_ES )
1322 box_gather( stsd, GetTextBox() );
1326 /* chunk offset table */
1327 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1329 /* 64 bits version */
1330 p_stream->b_stco64 = true;
1331 stco = box_full_new( "co64", 0, 0 );
1335 /* 32 bits version */
1336 p_stream->b_stco64 = false;
1337 stco = box_full_new( "stco", 0, 0 );
1339 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1341 /* sample to chunk table */
1342 stsc = box_full_new( "stsc", 0, 0 );
1343 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1345 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1346 i < p_stream->i_entry_count; i_chunk++ )
1350 if( p_stream->b_stco64 )
1351 bo_add_64be( stco, p_stream->entry[i].i_pos );
1353 bo_add_32be( stco, p_stream->entry[i].i_pos );
1355 while( i < p_stream->i_entry_count )
1357 if( i + 1 < p_stream->i_entry_count &&
1358 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1359 != p_stream->entry[i + 1].i_pos )
1368 /* Add entry to the stsc table */
1369 if( i_stsc_last_val != i - i_first )
1371 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1372 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1373 bo_add_32be( stsc, 1 ); // sample-descr-index
1374 i_stsc_last_val = i - i_first;
1379 /* Fix stco entry count */
1380 bo_fix_32be( stco, 12, i_chunk );
1381 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1384 /* Fix stsc entry count */
1385 bo_fix_32be( stsc, 12, i_stsc_entries );
1389 stts = box_full_new( "stts", 0, 0 );
1390 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1392 if( p_stream->fmt.i_cat == AUDIO_ES )
1393 i_timescale = p_stream->fmt.audio.i_rate;
1397 /* first, create quantified length */
1398 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1400 int64_t i_dts_deq = i_dts_q * INT64_C(1000000) / (int64_t)i_timescale;
1401 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1403 i_dts += p_stream->entry[i].i_length;
1405 p_stream->entry[i].i_length =
1406 i_delta * (int64_t)i_timescale / INT64_C(1000000);
1408 i_dts_q += p_stream->entry[i].i_length;
1410 /* then write encoded table */
1411 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1414 int64_t i_delta = p_stream->entry[i].i_length;
1416 while( i < p_stream->i_entry_count )
1419 if( i >= p_stream->i_entry_count ||
1420 p_stream->entry[i].i_length != i_delta )
1426 bo_add_32be( stts, i - i_first ); // sample-count
1427 bo_add_32be( stts, i_delta ); // sample-delta
1429 bo_fix_32be( stts, 12, i_index );
1432 /* FIXME add ctts ?? FIXME */
1434 stsz = box_full_new( "stsz", 0, 0 );
1435 bo_add_32be( stsz, 0 ); // sample-size
1436 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1437 for( i = 0; i < p_stream->i_entry_count; i++ )
1439 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1443 /* create stss table */
1445 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1447 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1451 stss = box_full_new( "stss", 0, 0 );
1452 bo_add_32be( stss, 0 ); /* fixed later */
1454 bo_add_32be( stss, 1 + i );
1460 bo_fix_32be( stss, 12, i_index );
1464 /* Now gather all boxes into stbl */
1465 box_gather( stbl, stsd );
1466 box_gather( stbl, stts );
1469 box_gather( stbl, stss );
1471 box_gather( stbl, stsc );
1472 box_gather( stbl, stsz );
1473 p_stream->i_stco_pos = stbl->i_buffer + 16;
1474 box_gather( stbl, stco );
1482 static int64_t get_timestamp(void);
1484 static const uint32_t mvhd_matrix[9] =
1485 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1487 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1489 sout_mux_sys_t *p_sys = p_mux->p_sys;
1494 uint32_t i_movie_timescale = 90000;
1495 int64_t i_movie_duration = 0;
1496 int64_t i_timestamp = get_timestamp();
1498 moov = box_new( "moov" );
1500 /* Create general info */
1501 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1503 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1504 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1506 msg_Dbg( p_mux, "movie duration %ds",
1507 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1509 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1511 /* *** add /moov/mvhd *** */
1512 if( !p_sys->b_64_ext )
1514 mvhd = box_full_new( "mvhd", 0, 0 );
1515 bo_add_32be( mvhd, i_timestamp ); // creation time
1516 bo_add_32be( mvhd, i_timestamp ); // modification time
1517 bo_add_32be( mvhd, i_movie_timescale); // timescale
1518 bo_add_32be( mvhd, i_movie_duration ); // duration
1522 mvhd = box_full_new( "mvhd", 1, 0 );
1523 bo_add_64be( mvhd, i_timestamp ); // creation time
1524 bo_add_64be( mvhd, i_timestamp ); // modification time
1525 bo_add_32be( mvhd, i_movie_timescale); // timescale
1526 bo_add_64be( mvhd, i_movie_duration ); // duration
1528 bo_add_32be( mvhd, 0x10000 ); // rate
1529 bo_add_16be( mvhd, 0x100 ); // volume
1530 bo_add_16be( mvhd, 0 ); // reserved
1531 for( i = 0; i < 2; i++ )
1533 bo_add_32be( mvhd, 0 ); // reserved
1535 for( i = 0; i < 9; i++ )
1537 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1539 for( i = 0; i < 6; i++ )
1541 bo_add_32be( mvhd, 0 ); // pre-defined
1544 /* Next available track id */
1545 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1548 box_gather( moov, mvhd );
1550 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1552 mp4_stream_t *p_stream;
1553 uint32_t i_timescale;
1555 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1556 bo_t *minf, *dinf, *dref, *url, *stbl;
1558 p_stream = p_sys->pp_streams[i_trak];
1560 if( p_stream->fmt.i_cat == AUDIO_ES )
1561 i_timescale = p_stream->fmt.audio.i_rate;
1565 /* *** add /moov/trak *** */
1566 trak = box_new( "trak" );
1568 /* *** add /moov/trak/tkhd *** */
1569 if( !p_sys->b_64_ext )
1572 tkhd = box_full_new( "tkhd", 0, 0x0f );
1574 tkhd = box_full_new( "tkhd", 0, 1 );
1576 bo_add_32be( tkhd, i_timestamp ); // creation time
1577 bo_add_32be( tkhd, i_timestamp ); // modification time
1578 bo_add_32be( tkhd, p_stream->i_track_id );
1579 bo_add_32be( tkhd, 0 ); // reserved 0
1580 bo_add_32be( tkhd, p_stream->i_duration *
1581 (int64_t)i_movie_timescale /
1582 (mtime_t)1000000 ); // duration
1587 tkhd = box_full_new( "tkhd", 1, 0x0f );
1589 tkhd = box_full_new( "tkhd", 1, 1 );
1591 bo_add_64be( tkhd, i_timestamp ); // creation time
1592 bo_add_64be( tkhd, i_timestamp ); // modification time
1593 bo_add_32be( tkhd, p_stream->i_track_id );
1594 bo_add_32be( tkhd, 0 ); // reserved 0
1595 bo_add_64be( tkhd, p_stream->i_duration *
1596 (int64_t)i_movie_timescale /
1597 (mtime_t)1000000 ); // duration
1600 for( i = 0; i < 2; i++ )
1602 bo_add_32be( tkhd, 0 ); // reserved
1604 bo_add_16be( tkhd, 0 ); // layer
1605 bo_add_16be( tkhd, 0 ); // pre-defined
1607 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1608 bo_add_16be( tkhd, 0 ); // reserved
1609 for( i = 0; i < 9; i++ )
1611 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1613 if( p_stream->fmt.i_cat == AUDIO_ES )
1615 bo_add_32be( tkhd, 0 ); // width (presentation)
1616 bo_add_32be( tkhd, 0 ); // height(presentation)
1618 else if( p_stream->fmt.i_cat == VIDEO_ES )
1620 int i_width = p_stream->fmt.video.i_width << 16;
1621 if( p_stream->fmt.video.i_sar_num > 0 &&
1622 p_stream->fmt.video.i_sar_den > 0 )
1624 i_width = (int64_t)p_stream->fmt.video.i_sar_num *
1625 ((int64_t)p_stream->fmt.video.i_width << 16) /
1626 p_stream->fmt.video.i_sar_den;
1628 // width (presentation)
1629 bo_add_32be( tkhd, i_width );
1630 // height(presentation)
1631 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1635 int i_width = 320 << 16;
1638 for( i = 0; i < p_sys->i_nb_streams; i++ )
1640 mp4_stream_t *tk = p_sys->pp_streams[i];
1641 if( tk->fmt.i_cat == VIDEO_ES )
1643 if( tk->fmt.video.i_sar_num > 0 &&
1644 tk->fmt.video.i_sar_den > 0 )
1645 i_width = (int64_t)tk->fmt.video.i_sar_num *
1646 ((int64_t)tk->fmt.video.i_width << 16) /
1647 tk->fmt.video.i_sar_den;
1649 i_width = tk->fmt.video.i_width << 16;
1650 i_height = tk->fmt.video.i_height;
1654 bo_add_32be( tkhd, i_width ); // width (presentation)
1655 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1659 box_gather( trak, tkhd );
1661 /* *** add /moov/trak/edts and elst */
1662 edts = box_new( "edts" );
1663 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1664 if( p_stream->i_dts_start > p_sys->i_dts_start )
1666 bo_add_32be( elst, 2 );
1668 if( p_sys->b_64_ext )
1670 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1671 i_movie_timescale / INT64_C(1000000) );
1672 bo_add_64be( elst, -1 );
1676 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1677 i_movie_timescale / INT64_C(1000000) );
1678 bo_add_32be( elst, -1 );
1680 bo_add_16be( elst, 1 );
1681 bo_add_16be( elst, 0 );
1685 bo_add_32be( elst, 1 );
1687 if( p_sys->b_64_ext )
1689 bo_add_64be( elst, p_stream->i_duration *
1690 i_movie_timescale / INT64_C(1000000) );
1691 bo_add_64be( elst, 0 );
1695 bo_add_32be( elst, p_stream->i_duration *
1696 i_movie_timescale / INT64_C(1000000) );
1697 bo_add_32be( elst, 0 );
1699 bo_add_16be( elst, 1 );
1700 bo_add_16be( elst, 0 );
1703 box_gather( edts, elst );
1705 box_gather( trak, edts );
1707 /* *** add /moov/trak/mdia *** */
1708 mdia = box_new( "mdia" );
1711 if( !p_sys->b_64_ext )
1713 mdhd = box_full_new( "mdhd", 0, 0 );
1714 bo_add_32be( mdhd, i_timestamp ); // creation time
1715 bo_add_32be( mdhd, i_timestamp ); // modification time
1716 bo_add_32be( mdhd, i_timescale); // timescale
1717 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1718 (mtime_t)1000000 ); // duration
1722 mdhd = box_full_new( "mdhd", 1, 0 );
1723 bo_add_64be( mdhd, i_timestamp ); // creation time
1724 bo_add_64be( mdhd, i_timestamp ); // modification time
1725 bo_add_32be( mdhd, i_timescale); // timescale
1726 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1727 (mtime_t)1000000 ); // duration
1730 if( p_stream->fmt.psz_language )
1732 char *psz = p_stream->fmt.psz_language;
1733 const iso639_lang_t *pl = NULL;
1734 uint16_t lang = 0x0;
1736 if( strlen( psz ) == 2 )
1738 pl = GetLang_1( psz );
1740 else if( strlen( psz ) == 3 )
1742 pl = GetLang_2B( psz );
1743 if( !strcmp( pl->psz_iso639_1, "??" ) )
1745 pl = GetLang_2T( psz );
1748 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1750 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1751 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1752 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1754 bo_add_16be( mdhd, lang ); // language
1758 bo_add_16be( mdhd, 0 ); // language
1760 bo_add_16be( mdhd, 0 ); // predefined
1762 box_gather( mdia, mdhd );
1764 /* handler reference */
1765 hdlr = box_full_new( "hdlr", 0, 0 );
1768 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1770 bo_add_32be( hdlr, 0 );
1772 if( p_stream->fmt.i_cat == AUDIO_ES )
1773 bo_add_fourcc( hdlr, "soun" );
1774 else if( p_stream->fmt.i_cat == VIDEO_ES )
1775 bo_add_fourcc( hdlr, "vide" );
1776 else if( p_stream->fmt.i_cat == SPU_ES )
1777 bo_add_fourcc( hdlr, "text" );
1779 bo_add_32be( hdlr, 0 ); // reserved
1780 bo_add_32be( hdlr, 0 ); // reserved
1781 bo_add_32be( hdlr, 0 ); // reserved
1784 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1786 if( p_stream->fmt.i_cat == AUDIO_ES )
1787 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1788 else if( p_stream->fmt.i_cat == VIDEO_ES )
1789 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1791 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1794 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1797 box_gather( mdia, hdlr );
1800 minf = box_new( "minf" );
1803 if( p_stream->fmt.i_cat == AUDIO_ES )
1807 smhd = box_full_new( "smhd", 0, 0 );
1808 bo_add_16be( smhd, 0 ); // balance
1809 bo_add_16be( smhd, 0 ); // reserved
1812 box_gather( minf, smhd );
1814 else if( p_stream->fmt.i_cat == VIDEO_ES )
1818 vmhd = box_full_new( "vmhd", 0, 1 );
1819 bo_add_16be( vmhd, 0 ); // graphicsmode
1820 for( i = 0; i < 3; i++ )
1822 bo_add_16be( vmhd, 0 ); // opcolor
1826 box_gather( minf, vmhd );
1828 else if( p_stream->fmt.i_cat == SPU_ES )
1830 bo_t *gmhd = box_new( "gmhd" );
1831 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1833 bo_add_16be( gmin, 0 ); // graphicsmode
1834 for( i = 0; i < 3; i++ )
1836 bo_add_16be( gmin, 0 ); // opcolor
1838 bo_add_16be( gmin, 0 ); // balance
1839 bo_add_16be( gmin, 0 ); // reserved
1842 box_gather( gmhd, gmin );
1845 box_gather( minf, gmhd );
1849 dinf = box_new( "dinf" );
1850 dref = box_full_new( "dref", 0, 0 );
1851 bo_add_32be( dref, 1 );
1852 url = box_full_new( "url ", 0, 0x01 );
1854 box_gather( dref, url );
1856 box_gather( dinf, dref );
1858 /* append dinf to mdia */
1860 box_gather( minf, dinf );
1863 stbl = GetStblBox( p_mux, p_stream );
1865 /* append stbl to minf */
1866 p_stream->i_stco_pos += minf->i_buffer;
1867 box_gather( minf, stbl );
1869 /* append minf to mdia */
1871 p_stream->i_stco_pos += mdia->i_buffer;
1872 box_gather( mdia, minf );
1874 /* append mdia to trak */
1876 p_stream->i_stco_pos += trak->i_buffer;
1877 box_gather( trak, mdia );
1879 /* append trak to moov */
1881 p_stream->i_stco_pos += moov->i_buffer;
1882 box_gather( moov, trak );
1885 /* Add user data tags */
1886 box_gather( moov, GetUdtaTag( p_mux ) );
1892 /****************************************************************************/
1894 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1899 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1900 p_bo->p_buffer = xmalloc( p_bo->i_buffer_size );
1904 p_bo->i_buffer_size = i_size;
1905 p_bo->p_buffer = p_buffer;
1908 p_bo->b_grow = b_grow;
1912 static void bo_add_8( bo_t *p_bo, uint8_t i )
1914 if( p_bo->i_buffer < p_bo->i_buffer_size )
1916 p_bo->p_buffer[p_bo->i_buffer] = i;
1918 else if( p_bo->b_grow )
1920 p_bo->i_buffer_size += 1024;
1921 p_bo->p_buffer = xrealloc( p_bo->p_buffer, p_bo->i_buffer_size );
1922 p_bo->p_buffer[p_bo->i_buffer] = i;
1928 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1930 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1931 bo_add_8( p_bo, i &0xff );
1934 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1936 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1937 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1938 bo_add_8( p_bo, ( i &0xff ) );
1940 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1942 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1943 bo_add_16be( p_bo, i &0xffff );
1946 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1948 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1949 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1950 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1951 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1954 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1956 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1957 bo_add_32be( p_bo, i &0xffffffff );
1960 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
1962 bo_add_8( p_bo, fcc[0] );
1963 bo_add_8( p_bo, fcc[1] );
1964 bo_add_8( p_bo, fcc[2] );
1965 bo_add_8( p_bo, fcc[3] );
1968 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1970 for( int i = 0; i < i_size; i++ )
1971 bo_add_8( p_bo, p_mem[i] );
1974 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t size )
1976 bo_add_8( p_bo, tag );
1977 for(int i = 3; i>0; i--)
1978 bo_add_8( p_bo, (size>>(7*i)) | 0x80 );
1979 bo_add_8(p_bo, size & 0x7F);
1982 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
1984 for( int i = 0; i < p_bo2->i_buffer; i++ )
1985 bo_add_8( p_bo, p_bo2->p_buffer[i] );
1988 static bo_t * box_new( const char *fcc )
1992 if( ( box = malloc( sizeof( bo_t ) ) ) )
1994 bo_init( box, 0, NULL, true );
1996 bo_add_32be ( box, 0 );
1997 bo_add_fourcc( box, fcc );
2003 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2007 if( ( box = malloc( sizeof( bo_t ) ) ) )
2009 bo_init( box, 0, NULL, true );
2011 bo_add_32be ( box, 0 );
2012 bo_add_fourcc( box, fcc );
2013 bo_add_8 ( box, v );
2014 bo_add_24be ( box, f );
2020 static void box_fix( bo_t *box )
2024 memcpy( &box_tmp, box, sizeof( bo_t ) );
2026 box_tmp.i_buffer = 0;
2027 bo_add_32be( &box_tmp, box->i_buffer );
2030 static void box_free( bo_t *box )
2032 free( box->p_buffer );
2036 static void box_gather ( bo_t *box, bo_t *box2 )
2038 bo_add_bo( box, box2 );
2042 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2047 p_buf = block_New( p_sout, box->i_buffer );
2048 if( box->i_buffer > 0 )
2050 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2056 static void box_send( sout_mux_t *p_mux, bo_t *box )
2060 p_buf = bo_to_sout( p_mux->p_sout, box );
2063 sout_AccessOutWrite( p_mux->p_access, p_buf );
2066 static int64_t get_timestamp(void)
2068 int64_t i_timestamp = time(NULL);
2070 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2071 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60