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 )
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 int GetDescrLength( int i_size )
681 if( i_size < 0x00000080 )
683 else if( i_size < 0x00004000 )
685 else if( i_size < 0x00200000 )
691 static bo_t *GetESDS( mp4_stream_t *p_stream )
695 int i_object_type_indication;
696 int i_decoder_specific_info_size;
698 int64_t i_bitrate_avg = 0;
699 int64_t i_bitrate_max = 0;
701 /* Compute avg/max bitrate */
702 for( i = 0; i < p_stream->i_entry_count; i++ )
704 i_bitrate_avg += p_stream->entry[i].i_size;
705 if( p_stream->entry[i].i_length > 0)
707 int64_t i_bitrate = INT64_C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
708 if( i_bitrate > i_bitrate_max )
709 i_bitrate_max = i_bitrate;
713 if( p_stream->i_duration > 0 )
714 i_bitrate_avg = INT64_C(8000000) * i_bitrate_avg / p_stream->i_duration;
717 if( i_bitrate_max <= 1 )
718 i_bitrate_max = 0x7fffffff;
721 if( p_stream->fmt.i_extra > 0 )
723 i_decoder_specific_info_size =
724 GetDescrLength( p_stream->fmt.i_extra );
728 i_decoder_specific_info_size = 0;
731 esds = box_full_new( "esds", 0, 0 );
734 bo_add_descr( esds, 0x03, 3 +
735 GetDescrLength( 13 + i_decoder_specific_info_size ) +
736 GetDescrLength( 1 ) );
737 bo_add_16be( esds, p_stream->i_track_id );
738 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
740 /* DecoderConfigDescr */
741 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
743 switch( p_stream->fmt.i_codec )
746 i_object_type_indication = 0x20;
749 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
750 i_object_type_indication = 0x60;
753 /* FIXME for mpeg2-aac == 0x66->0x68 */
754 i_object_type_indication = 0x40;
757 i_object_type_indication =
758 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
761 i_object_type_indication = 0x00;
764 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
766 bo_add_8 ( esds, i_object_type_indication );
767 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
768 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
769 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
770 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
772 if( p_stream->fmt.i_extra > 0 )
776 /* DecoderSpecificInfo */
777 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
779 for( i = 0; i < p_stream->fmt.i_extra; i++ )
781 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
785 /* SL_Descr mandatory */
786 bo_add_descr( esds, 0x06, 1 );
787 bo_add_8 ( esds, 0x02 ); // sl_predefined
794 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
799 wave = box_new( "wave" );
801 box = box_new( "frma" );
802 bo_add_fourcc( box, "mp4a" );
804 box_gather( wave, box );
806 box = box_new( "mp4a" );
807 bo_add_32be( box, 0 );
809 box_gather( wave, box );
811 box = GetESDS( p_stream );
813 box_gather( wave, box );
815 box = box_new( "srcq" );
816 bo_add_32be( box, 0x40 );
818 box_gather( wave, box );
821 bo_add_32be( wave, 8 ); /* new empty box */
822 bo_add_32be( wave, 0 ); /* box label */
829 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
833 damr = box_new( "damr" );
835 bo_add_fourcc( damr, "REFC" );
838 if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
839 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
841 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
842 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
849 static bo_t *GetD263Tag( void )
853 d263 = box_new( "d263" );
855 bo_add_fourcc( d263, "VLC " );
856 bo_add_16be( d263, 0xa );
864 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
867 uint8_t *p_sps = NULL;
868 uint8_t *p_pps = NULL;
872 if( p_stream->fmt.i_extra > 0 )
874 /* FIXME: take into account multiple sps/pps */
875 uint8_t *p_buffer = p_stream->fmt.p_extra;
876 int i_buffer = p_stream->fmt.i_extra;
878 while( i_buffer > 3 )
881 while( p_buffer[0] != 0 || p_buffer[1] != 0 ||
887 const int i_nal_type = p_buffer[3]&0x1f;
893 for( i_offset = 1; i_offset+2 < i_buffer ; i_offset++)
895 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
896 p_buffer[i_offset+2] == 1 )
898 /* we found another startcode */
899 i_startcode = i_offset;
900 while( p_buffer[i_startcode-1] == 0 && i_startcode > 0 )
905 i_size = i_startcode ? i_startcode : i_buffer;
907 if( i_nal_type == 7 )
909 p_sps = &p_buffer[3];
910 i_sps_size = i_size - 3;
912 if( i_nal_type == 8 )
914 p_pps = &p_buffer[3];
915 i_pps_size = i_size - 3;
922 /* FIXME use better value */
923 avcC = box_new( "avcC" );
924 bo_add_8( avcC, 1 ); /* configuration version */
925 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
926 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
927 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
928 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
930 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
933 bo_add_16be( avcC, i_sps_size );
934 bo_add_mem( avcC, i_sps_size, p_sps );
937 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
940 bo_add_16be( avcC, i_pps_size );
941 bo_add_mem( avcC, i_pps_size, p_pps );
948 /* TODO: No idea about these values */
949 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
951 bo_t *smi = box_new( "SMI " );
953 if( p_stream->fmt.i_extra > 0x4e )
955 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
956 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
958 while( p + 8 < p_end )
960 int i_size = GetDWBE( p );
963 /* FIXME handle 1 as long size */
966 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
968 bo_add_mem( smi, p_end - p - 8, &p[8] );
975 /* Create a dummy one in fallback */
976 bo_add_fourcc( smi, "SEQH" );
977 bo_add_32be( smi, 0x5 );
978 bo_add_32be( smi, 0xe2c0211d );
979 bo_add_8( smi, 0xc0 );
985 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
987 sout_mux_sys_t *p_sys = p_mux->p_sys;
988 bo_t *udta = box_new( "udta" );
989 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
993 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
995 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
997 if( p_stream->fmt.i_codec == VLC_CODEC_MP4V ||
998 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1000 bo_t *box = box_new( "\251req" );
1002 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1003 bo_add_16be( box, 0 );
1004 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1005 (uint8_t *)"QuickTime 6.0 or greater" );
1007 box_gather( udta, box );
1014 bo_t *box = box_new( "\251enc" );
1016 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1017 bo_add_16be( box, 0 );
1018 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1019 (uint8_t*)PACKAGE_STRING " stream output" );
1021 box_gather( udta, box );
1027 #define ADD_META_BOX( type, box_string ) { \
1029 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1032 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1033 bo_add_16be( box, 0 ); \
1034 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1035 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1037 box_gather( udta, box ); \
1040 ADD_META_BOX( Title, "nam" );
1041 ADD_META_BOX( Artist, "ART" );
1042 ADD_META_BOX( Genre, "gen" );
1043 ADD_META_BOX( Copyright, "cpy" );
1044 ADD_META_BOX( Description, "des" );
1045 ADD_META_BOX( Date, "day" );
1046 ADD_META_BOX( URL, "url" );
1054 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1056 sout_mux_sys_t *p_sys = p_mux->p_sys;
1057 bool b_descr = false;
1062 switch( p_stream->fmt.i_codec )
1064 case VLC_CODEC_MP4A:
1065 memcpy( fcc, "mp4a", 4 );
1069 case VLC_CODEC_AMR_NB:
1070 case VLC_CODEC_AMR_WB:
1071 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1075 case VLC_CODEC_MPGA:
1077 memcpy( fcc, ".mp3", 4 );
1080 memcpy( fcc, "mp4a", 4 );
1086 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1090 soun = box_new( fcc );
1091 for( i = 0; i < 6; i++ )
1093 bo_add_8( soun, 0 ); // reserved;
1095 bo_add_16be( soun, 1 ); // data-reference-index
1097 /* SoundDescription */
1099 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1101 bo_add_16be( soun, 1 ); // version 1;
1105 bo_add_16be( soun, 0 ); // version 0;
1107 bo_add_16be( soun, 0 ); // revision level (0)
1108 bo_add_32be( soun, 0 ); // vendor
1110 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1112 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1113 p_stream->fmt.audio.i_bitspersample : 16 );
1114 bo_add_16be( soun, -2 ); // compression id
1115 bo_add_16be( soun, 0 ); // packet size (0)
1116 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1117 bo_add_16be( soun, 0 ); // sampleratelo
1119 /* Extended data for SoundDescription V1 */
1121 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1123 /* samples per packet */
1124 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1125 bo_add_32be( soun, 1536 ); /* bytes per packet */
1126 bo_add_32be( soun, 2 ); /* bytes per frame */
1127 /* bytes per sample */
1128 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1131 /* Add an ES Descriptor */
1137 p_stream->fmt.i_codec == VLC_CODEC_MP4A )
1139 box = GetWaveTag( p_stream );
1141 else if( p_stream->fmt.i_codec == VLC_CODEC_AMR_NB )
1143 box = GetDamrTag( p_stream );
1147 box = GetESDS( p_stream );
1150 box_gather( soun, box );
1158 static bo_t *GetVideBox( mp4_stream_t *p_stream )
1165 switch( p_stream->fmt.i_codec )
1167 case VLC_CODEC_MP4V:
1168 case VLC_CODEC_MPGV:
1169 memcpy( fcc, "mp4v", 4 );
1172 case VLC_CODEC_MJPG:
1173 memcpy( fcc, "mjpa", 4 );
1176 case VLC_CODEC_SVQ1:
1177 memcpy( fcc, "SVQ1", 4 );
1180 case VLC_CODEC_SVQ3:
1181 memcpy( fcc, "SVQ3", 4 );
1184 case VLC_CODEC_H263:
1185 memcpy( fcc, "s263", 4 );
1188 case VLC_CODEC_H264:
1189 memcpy( fcc, "avc1", 4 );
1192 case VLC_CODEC_YV12:
1193 memcpy( fcc, "yv12", 4 );
1196 case VLC_CODEC_YUYV:
1197 memcpy( fcc, "yuy2", 4 );
1201 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1205 vide = box_new( fcc );
1206 for( i = 0; i < 6; i++ )
1208 bo_add_8( vide, 0 ); // reserved;
1210 bo_add_16be( vide, 1 ); // data-reference-index
1212 bo_add_16be( vide, 0 ); // predefined;
1213 bo_add_16be( vide, 0 ); // reserved;
1214 for( i = 0; i < 3; i++ )
1216 bo_add_32be( vide, 0 ); // predefined;
1219 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1220 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1222 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1223 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1225 bo_add_32be( vide, 0 ); // data size, always 0
1226 bo_add_16be( vide, 1 ); // frames count per sample
1229 for( i = 0; i < 32; i++ )
1231 bo_add_8( vide, 0 );
1234 bo_add_16be( vide, 0x18 ); // depth
1235 bo_add_16be( vide, 0xffff ); // predefined
1237 /* add an ES Descriptor */
1238 switch( p_stream->fmt.i_codec )
1240 case VLC_CODEC_MP4V:
1241 case VLC_CODEC_MPGV:
1243 bo_t *esds = GetESDS( p_stream );
1246 box_gather( vide, esds );
1250 case VLC_CODEC_H263:
1252 bo_t *d263 = GetD263Tag();
1255 box_gather( vide, d263 );
1259 case VLC_CODEC_SVQ3:
1261 bo_t *esds = GetSVQ3Tag( p_stream );
1264 box_gather( vide, esds );
1268 case VLC_CODEC_H264:
1269 box_gather( vide, GetAvcCTag( p_stream ) );
1281 static bo_t *GetTextBox( void )
1284 bo_t *text = box_new( "text" );
1287 for( i = 0; i < 6; i++ )
1289 bo_add_8( text, 0 ); // reserved;
1291 bo_add_16be( text, 1 ); // data-reference-index
1293 bo_add_32be( text, 0 ); // display flags
1294 bo_add_32be( text, 0 ); // justification
1295 for( i = 0; i < 3; i++ )
1297 bo_add_16be( text, 0 ); // back ground color
1300 bo_add_16be( text, 0 ); // box text
1301 bo_add_16be( text, 0 ); // box text
1302 bo_add_16be( text, 0 ); // box text
1303 bo_add_16be( text, 0 ); // box text
1305 bo_add_64be( text, 0 ); // reserved
1306 for( i = 0; i < 3; i++ )
1308 bo_add_16be( text, 0xff ); // foreground color
1311 bo_add_8 ( text, 9 );
1312 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1319 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1321 sout_mux_sys_t *p_sys = p_mux->p_sys;
1322 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1323 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1324 uint32_t i_timescale;
1325 int64_t i_dts, i_dts_q;
1327 stbl = box_new( "stbl" );
1329 /* sample description */
1330 stsd = box_full_new( "stsd", 0, 0 );
1331 bo_add_32be( stsd, 1 );
1332 if( p_stream->fmt.i_cat == AUDIO_ES )
1334 bo_t *soun = GetSounBox( p_mux, p_stream );
1335 box_gather( stsd, soun );
1337 else if( p_stream->fmt.i_cat == VIDEO_ES )
1339 bo_t *vide = GetVideBox( p_stream );
1340 box_gather( stsd, vide );
1342 else if( p_stream->fmt.i_cat == SPU_ES )
1344 box_gather( stsd, GetTextBox() );
1348 /* chunk offset table */
1349 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1351 /* 64 bits version */
1352 p_stream->b_stco64 = true;
1353 stco = box_full_new( "co64", 0, 0 );
1357 /* 32 bits version */
1358 p_stream->b_stco64 = false;
1359 stco = box_full_new( "stco", 0, 0 );
1361 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1363 /* sample to chunk table */
1364 stsc = box_full_new( "stsc", 0, 0 );
1365 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1367 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1368 i < p_stream->i_entry_count; i_chunk++ )
1372 if( p_stream->b_stco64 )
1373 bo_add_64be( stco, p_stream->entry[i].i_pos );
1375 bo_add_32be( stco, p_stream->entry[i].i_pos );
1377 while( i < p_stream->i_entry_count )
1379 if( i + 1 < p_stream->i_entry_count &&
1380 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1381 != p_stream->entry[i + 1].i_pos )
1390 /* Add entry to the stsc table */
1391 if( i_stsc_last_val != i - i_first )
1393 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1394 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1395 bo_add_32be( stsc, 1 ); // sample-descr-index
1396 i_stsc_last_val = i - i_first;
1401 /* Fix stco entry count */
1402 bo_fix_32be( stco, 12, i_chunk );
1403 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1406 /* Fix stsc entry count */
1407 bo_fix_32be( stsc, 12, i_stsc_entries );
1411 stts = box_full_new( "stts", 0, 0 );
1412 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1414 if( p_stream->fmt.i_cat == AUDIO_ES )
1415 i_timescale = p_stream->fmt.audio.i_rate;
1419 /* first, create quantified length */
1420 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1422 int64_t i_dts_deq = i_dts_q * INT64_C(1000000) / (int64_t)i_timescale;
1423 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1425 i_dts += p_stream->entry[i].i_length;
1427 p_stream->entry[i].i_length =
1428 i_delta * (int64_t)i_timescale / INT64_C(1000000);
1430 i_dts_q += p_stream->entry[i].i_length;
1432 /* then write encoded table */
1433 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1436 int64_t i_delta = p_stream->entry[i].i_length;
1438 while( i < p_stream->i_entry_count )
1441 if( i >= p_stream->i_entry_count ||
1442 p_stream->entry[i].i_length != i_delta )
1448 bo_add_32be( stts, i - i_first ); // sample-count
1449 bo_add_32be( stts, i_delta ); // sample-delta
1451 bo_fix_32be( stts, 12, i_index );
1454 /* FIXME add ctts ?? FIXME */
1456 stsz = box_full_new( "stsz", 0, 0 );
1457 bo_add_32be( stsz, 0 ); // sample-size
1458 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1459 for( i = 0; i < p_stream->i_entry_count; i++ )
1461 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1465 /* create stss table */
1467 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1469 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1473 stss = box_full_new( "stss", 0, 0 );
1474 bo_add_32be( stss, 0 ); /* fixed later */
1476 bo_add_32be( stss, 1 + i );
1482 bo_fix_32be( stss, 12, i_index );
1486 /* Now gather all boxes into stbl */
1487 box_gather( stbl, stsd );
1488 box_gather( stbl, stts );
1491 box_gather( stbl, stss );
1493 box_gather( stbl, stsc );
1494 box_gather( stbl, stsz );
1495 p_stream->i_stco_pos = stbl->i_buffer + 16;
1496 box_gather( stbl, stco );
1504 static int64_t get_timestamp(void);
1506 static const uint32_t mvhd_matrix[9] =
1507 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1509 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1511 sout_mux_sys_t *p_sys = p_mux->p_sys;
1516 uint32_t i_movie_timescale = 90000;
1517 int64_t i_movie_duration = 0;
1518 int64_t i_timestamp = get_timestamp();
1520 moov = box_new( "moov" );
1522 /* Create general info */
1523 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1525 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1526 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1528 msg_Dbg( p_mux, "movie duration %ds",
1529 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1531 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1533 /* *** add /moov/mvhd *** */
1534 if( !p_sys->b_64_ext )
1536 mvhd = box_full_new( "mvhd", 0, 0 );
1537 bo_add_32be( mvhd, i_timestamp ); // creation time
1538 bo_add_32be( mvhd, i_timestamp ); // modification time
1539 bo_add_32be( mvhd, i_movie_timescale); // timescale
1540 bo_add_32be( mvhd, i_movie_duration ); // duration
1544 mvhd = box_full_new( "mvhd", 1, 0 );
1545 bo_add_64be( mvhd, i_timestamp ); // creation time
1546 bo_add_64be( mvhd, i_timestamp ); // modification time
1547 bo_add_32be( mvhd, i_movie_timescale); // timescale
1548 bo_add_64be( mvhd, i_movie_duration ); // duration
1550 bo_add_32be( mvhd, 0x10000 ); // rate
1551 bo_add_16be( mvhd, 0x100 ); // volume
1552 bo_add_16be( mvhd, 0 ); // reserved
1553 for( i = 0; i < 2; i++ )
1555 bo_add_32be( mvhd, 0 ); // reserved
1557 for( i = 0; i < 9; i++ )
1559 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1561 for( i = 0; i < 6; i++ )
1563 bo_add_32be( mvhd, 0 ); // pre-defined
1566 /* Next available track id */
1567 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1570 box_gather( moov, mvhd );
1572 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1574 mp4_stream_t *p_stream;
1575 uint32_t i_timescale;
1577 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1578 bo_t *minf, *dinf, *dref, *url, *stbl;
1580 p_stream = p_sys->pp_streams[i_trak];
1582 if( p_stream->fmt.i_cat == AUDIO_ES )
1583 i_timescale = p_stream->fmt.audio.i_rate;
1587 /* *** add /moov/trak *** */
1588 trak = box_new( "trak" );
1590 /* *** add /moov/trak/tkhd *** */
1591 if( !p_sys->b_64_ext )
1594 tkhd = box_full_new( "tkhd", 0, 0x0f );
1596 tkhd = box_full_new( "tkhd", 0, 1 );
1598 bo_add_32be( tkhd, i_timestamp ); // creation time
1599 bo_add_32be( tkhd, i_timestamp ); // modification time
1600 bo_add_32be( tkhd, p_stream->i_track_id );
1601 bo_add_32be( tkhd, 0 ); // reserved 0
1602 bo_add_32be( tkhd, p_stream->i_duration *
1603 (int64_t)i_movie_timescale /
1604 (mtime_t)1000000 ); // duration
1609 tkhd = box_full_new( "tkhd", 1, 0x0f );
1611 tkhd = box_full_new( "tkhd", 1, 1 );
1613 bo_add_64be( tkhd, i_timestamp ); // creation time
1614 bo_add_64be( tkhd, i_timestamp ); // modification time
1615 bo_add_32be( tkhd, p_stream->i_track_id );
1616 bo_add_32be( tkhd, 0 ); // reserved 0
1617 bo_add_64be( tkhd, p_stream->i_duration *
1618 (int64_t)i_movie_timescale /
1619 (mtime_t)1000000 ); // duration
1622 for( i = 0; i < 2; i++ )
1624 bo_add_32be( tkhd, 0 ); // reserved
1626 bo_add_16be( tkhd, 0 ); // layer
1627 bo_add_16be( tkhd, 0 ); // pre-defined
1629 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1630 bo_add_16be( tkhd, 0 ); // reserved
1631 for( i = 0; i < 9; i++ )
1633 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1635 if( p_stream->fmt.i_cat == AUDIO_ES )
1637 bo_add_32be( tkhd, 0 ); // width (presentation)
1638 bo_add_32be( tkhd, 0 ); // height(presentation)
1640 else if( p_stream->fmt.i_cat == VIDEO_ES )
1642 int i_width = p_stream->fmt.video.i_width << 16;
1643 if( p_stream->fmt.video.i_sar_num > 0 &&
1644 p_stream->fmt.video.i_sar_den > 0 )
1646 i_width = (int64_t)p_stream->fmt.video.i_sar_num *
1647 ((int64_t)p_stream->fmt.video.i_width << 16) /
1648 p_stream->fmt.video.i_sar_den;
1650 // width (presentation)
1651 bo_add_32be( tkhd, i_width );
1652 // height(presentation)
1653 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1657 int i_width = 320 << 16;
1660 for( i = 0; i < p_sys->i_nb_streams; i++ )
1662 mp4_stream_t *tk = p_sys->pp_streams[i];
1663 if( tk->fmt.i_cat == VIDEO_ES )
1665 if( tk->fmt.video.i_sar_num > 0 &&
1666 tk->fmt.video.i_sar_den > 0 )
1667 i_width = (int64_t)tk->fmt.video.i_sar_num *
1668 ((int64_t)tk->fmt.video.i_width << 16) /
1669 tk->fmt.video.i_sar_den;
1671 i_width = tk->fmt.video.i_width << 16;
1672 i_height = tk->fmt.video.i_height;
1676 bo_add_32be( tkhd, i_width ); // width (presentation)
1677 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1681 box_gather( trak, tkhd );
1683 /* *** add /moov/trak/edts and elst */
1684 edts = box_new( "edts" );
1685 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1686 if( p_stream->i_dts_start > p_sys->i_dts_start )
1688 bo_add_32be( elst, 2 );
1690 if( p_sys->b_64_ext )
1692 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1693 i_movie_timescale / INT64_C(1000000) );
1694 bo_add_64be( elst, -1 );
1698 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1699 i_movie_timescale / INT64_C(1000000) );
1700 bo_add_32be( elst, -1 );
1702 bo_add_16be( elst, 1 );
1703 bo_add_16be( elst, 0 );
1707 bo_add_32be( elst, 1 );
1709 if( p_sys->b_64_ext )
1711 bo_add_64be( elst, p_stream->i_duration *
1712 i_movie_timescale / INT64_C(1000000) );
1713 bo_add_64be( elst, 0 );
1717 bo_add_32be( elst, p_stream->i_duration *
1718 i_movie_timescale / INT64_C(1000000) );
1719 bo_add_32be( elst, 0 );
1721 bo_add_16be( elst, 1 );
1722 bo_add_16be( elst, 0 );
1725 box_gather( edts, elst );
1727 box_gather( trak, edts );
1729 /* *** add /moov/trak/mdia *** */
1730 mdia = box_new( "mdia" );
1733 if( !p_sys->b_64_ext )
1735 mdhd = box_full_new( "mdhd", 0, 0 );
1736 bo_add_32be( mdhd, i_timestamp ); // creation time
1737 bo_add_32be( mdhd, i_timestamp ); // modification time
1738 bo_add_32be( mdhd, i_timescale); // timescale
1739 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1740 (mtime_t)1000000 ); // duration
1744 mdhd = box_full_new( "mdhd", 1, 0 );
1745 bo_add_64be( mdhd, i_timestamp ); // creation time
1746 bo_add_64be( mdhd, i_timestamp ); // modification time
1747 bo_add_32be( mdhd, i_timescale); // timescale
1748 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1749 (mtime_t)1000000 ); // duration
1752 if( p_stream->fmt.psz_language )
1754 char *psz = p_stream->fmt.psz_language;
1755 const iso639_lang_t *pl = NULL;
1756 uint16_t lang = 0x0;
1758 if( strlen( psz ) == 2 )
1760 pl = GetLang_1( psz );
1762 else if( strlen( psz ) == 3 )
1764 pl = GetLang_2B( psz );
1765 if( !strcmp( pl->psz_iso639_1, "??" ) )
1767 pl = GetLang_2T( psz );
1770 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1772 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1773 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1774 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1776 bo_add_16be( mdhd, lang ); // language
1780 bo_add_16be( mdhd, 0 ); // language
1782 bo_add_16be( mdhd, 0 ); // predefined
1784 box_gather( mdia, mdhd );
1786 /* handler reference */
1787 hdlr = box_full_new( "hdlr", 0, 0 );
1790 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1792 bo_add_32be( hdlr, 0 );
1794 if( p_stream->fmt.i_cat == AUDIO_ES )
1795 bo_add_fourcc( hdlr, "soun" );
1796 else if( p_stream->fmt.i_cat == VIDEO_ES )
1797 bo_add_fourcc( hdlr, "vide" );
1798 else if( p_stream->fmt.i_cat == SPU_ES )
1799 bo_add_fourcc( hdlr, "text" );
1801 bo_add_32be( hdlr, 0 ); // reserved
1802 bo_add_32be( hdlr, 0 ); // reserved
1803 bo_add_32be( hdlr, 0 ); // reserved
1806 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1808 if( p_stream->fmt.i_cat == AUDIO_ES )
1809 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1810 else if( p_stream->fmt.i_cat == VIDEO_ES )
1811 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1813 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1816 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1819 box_gather( mdia, hdlr );
1822 minf = box_new( "minf" );
1825 if( p_stream->fmt.i_cat == AUDIO_ES )
1829 smhd = box_full_new( "smhd", 0, 0 );
1830 bo_add_16be( smhd, 0 ); // balance
1831 bo_add_16be( smhd, 0 ); // reserved
1834 box_gather( minf, smhd );
1836 else if( p_stream->fmt.i_cat == VIDEO_ES )
1840 vmhd = box_full_new( "vmhd", 0, 1 );
1841 bo_add_16be( vmhd, 0 ); // graphicsmode
1842 for( i = 0; i < 3; i++ )
1844 bo_add_16be( vmhd, 0 ); // opcolor
1848 box_gather( minf, vmhd );
1850 else if( p_stream->fmt.i_cat == SPU_ES )
1852 bo_t *gmhd = box_new( "gmhd" );
1853 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1855 bo_add_16be( gmin, 0 ); // graphicsmode
1856 for( i = 0; i < 3; i++ )
1858 bo_add_16be( gmin, 0 ); // opcolor
1860 bo_add_16be( gmin, 0 ); // balance
1861 bo_add_16be( gmin, 0 ); // reserved
1864 box_gather( gmhd, gmin );
1867 box_gather( minf, gmhd );
1871 dinf = box_new( "dinf" );
1872 dref = box_full_new( "dref", 0, 0 );
1873 bo_add_32be( dref, 1 );
1874 url = box_full_new( "url ", 0, 0x01 );
1876 box_gather( dref, url );
1878 box_gather( dinf, dref );
1880 /* append dinf to mdia */
1882 box_gather( minf, dinf );
1885 stbl = GetStblBox( p_mux, p_stream );
1887 /* append stbl to minf */
1888 p_stream->i_stco_pos += minf->i_buffer;
1889 box_gather( minf, stbl );
1891 /* append minf to mdia */
1893 p_stream->i_stco_pos += mdia->i_buffer;
1894 box_gather( mdia, minf );
1896 /* append mdia to trak */
1898 p_stream->i_stco_pos += trak->i_buffer;
1899 box_gather( trak, mdia );
1901 /* append trak to moov */
1903 p_stream->i_stco_pos += moov->i_buffer;
1904 box_gather( moov, trak );
1907 /* Add user data tags */
1908 box_gather( moov, GetUdtaTag( p_mux ) );
1914 /****************************************************************************/
1916 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1921 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1922 p_bo->p_buffer = xmalloc( p_bo->i_buffer_size );
1926 p_bo->i_buffer_size = i_size;
1927 p_bo->p_buffer = p_buffer;
1930 p_bo->b_grow = b_grow;
1934 static void bo_add_8( bo_t *p_bo, uint8_t i )
1936 if( p_bo->i_buffer < p_bo->i_buffer_size )
1938 p_bo->p_buffer[p_bo->i_buffer] = i;
1940 else if( p_bo->b_grow )
1942 p_bo->i_buffer_size += 1024;
1943 p_bo->p_buffer = xrealloc( p_bo->p_buffer, p_bo->i_buffer_size );
1944 p_bo->p_buffer[p_bo->i_buffer] = i;
1950 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1952 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1953 bo_add_8( p_bo, i &0xff );
1956 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1958 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1959 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1960 bo_add_8( p_bo, ( i &0xff ) );
1962 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1964 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1965 bo_add_16be( p_bo, i &0xffff );
1968 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1970 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1971 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1972 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1973 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1976 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1978 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1979 bo_add_32be( p_bo, i &0xffffffff );
1982 static void bo_add_fourcc( bo_t *p_bo, const char *fcc )
1984 bo_add_8( p_bo, fcc[0] );
1985 bo_add_8( p_bo, fcc[1] );
1986 bo_add_8( p_bo, fcc[2] );
1987 bo_add_8( p_bo, fcc[3] );
1990 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1994 for( i = 0; i < i_size; i++ )
1996 bo_add_8( p_bo, p_mem[i] );
2000 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2006 vals[3] = (unsigned char)(i_length & 0x7f);
2008 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2010 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2012 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2014 bo_add_8( p_bo, tag );
2016 if( i_size < 0x00000080 )
2018 bo_add_8( p_bo, vals[3] );
2020 else if( i_size < 0x00004000 )
2022 bo_add_8( p_bo, vals[2] );
2023 bo_add_8( p_bo, vals[3] );
2025 else if( i_size < 0x00200000 )
2027 bo_add_8( p_bo, vals[1] );
2028 bo_add_8( p_bo, vals[2] );
2029 bo_add_8( p_bo, vals[3] );
2031 else if( i_size < 0x10000000 )
2033 bo_add_8( p_bo, vals[0] );
2034 bo_add_8( p_bo, vals[1] );
2035 bo_add_8( p_bo, vals[2] );
2036 bo_add_8( p_bo, vals[3] );
2040 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2044 for( i = 0; i < p_bo2->i_buffer; i++ )
2046 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2050 static bo_t * box_new( const char *fcc )
2054 if( ( box = malloc( sizeof( bo_t ) ) ) )
2056 bo_init( box, 0, NULL, true );
2058 bo_add_32be ( box, 0 );
2059 bo_add_fourcc( box, fcc );
2065 static bo_t * box_full_new( const char *fcc, uint8_t v, uint32_t f )
2069 if( ( box = malloc( sizeof( bo_t ) ) ) )
2071 bo_init( box, 0, NULL, true );
2073 bo_add_32be ( box, 0 );
2074 bo_add_fourcc( box, fcc );
2075 bo_add_8 ( box, v );
2076 bo_add_24be ( box, f );
2082 static void box_fix( bo_t *box )
2086 memcpy( &box_tmp, box, sizeof( bo_t ) );
2088 box_tmp.i_buffer = 0;
2089 bo_add_32be( &box_tmp, box->i_buffer );
2092 static void box_free( bo_t *box )
2094 free( box->p_buffer );
2098 static void box_gather ( bo_t *box, bo_t *box2 )
2100 bo_add_bo( box, box2 );
2104 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2109 p_buf = block_New( p_sout, box->i_buffer );
2110 if( box->i_buffer > 0 )
2112 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2118 static void box_send( sout_mux_t *p_mux, bo_t *box )
2122 p_buf = bo_to_sout( p_mux->p_sout, box );
2125 sout_AccessOutWrite( p_mux->p_access, p_buf );
2128 static int64_t get_timestamp(void)
2130 int64_t i_timestamp = time(NULL);
2132 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2133 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60