1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
32 #include <vlc/input.h>
42 /*****************************************************************************
44 *****************************************************************************/
45 #define FASTSTART_TEXT N_("Create \"Fast start\" files")
46 #define FASTSTART_LONGTEXT N_( \
47 "When this option is turned on, \"Fast start\" files will be created. " \
48 "(\"Fast start\" files are optimized for download, allowing the user " \
49 "to start previewing the file while it is downloading).")
50 static int Open ( vlc_object_t * );
51 static void Close ( vlc_object_t * );
53 #define SOUT_CFG_PREFIX "sout-mp4-"
56 set_description( _("MP4/MOV muxer") );
57 set_category( CAT_SOUT );
58 set_subcategory( SUBCAT_SOUT_MUX );
59 set_shortname( "MP4" );
61 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL, FASTSTART_TEXT, FASTSTART_LONGTEXT,
63 set_capability( "sout mux", 5 );
64 add_shortcut( "mp4" );
65 add_shortcut( "mov" );
66 add_shortcut( "3gp" );
67 set_callbacks( Open, Close );
70 /*****************************************************************************
72 *****************************************************************************/
73 static const char *ppsz_sout_options[] = {
77 static int Control( sout_mux_t *, int, va_list );
78 static int AddStream( sout_mux_t *, sout_input_t * );
79 static int DelStream( sout_mux_t *, sout_input_t * );
80 static int Mux ( sout_mux_t * );
82 /*****************************************************************************
84 *****************************************************************************/
102 unsigned int i_entry_count;
103 unsigned int i_entry_max;
105 int64_t i_length_neg;
111 /* for later stco fix-up (fast start files) */
132 struct sout_mux_sys_t
137 vlc_bool_t b_fast_start;
145 mp4_stream_t **pp_streams;
158 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
159 static void bo_add_8 ( bo_t *, uint8_t );
160 static void bo_add_16be ( bo_t *, uint16_t );
161 static void bo_add_24be ( bo_t *, uint32_t );
162 static void bo_add_32be ( bo_t *, uint32_t );
163 static void bo_add_64be ( bo_t *, uint64_t );
164 static void bo_add_fourcc(bo_t *, char * );
165 static void bo_add_bo ( bo_t *, bo_t * );
166 static void bo_add_mem ( bo_t *, int , uint8_t * );
167 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
169 static void bo_fix_32be ( bo_t *, int , uint32_t );
171 static bo_t *box_new ( char *fcc );
172 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
173 static void box_fix ( bo_t *box );
174 static void box_free ( bo_t *box );
175 static void box_gather ( bo_t *box, bo_t *box2 );
177 static void box_send( sout_mux_t *p_mux, bo_t *box );
179 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
181 static bo_t *GetMoovBox( sout_mux_t *p_mux );
183 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
184 static void ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
186 /*****************************************************************************
188 *****************************************************************************/
189 static int Open( vlc_object_t *p_this )
191 sout_mux_t *p_mux = (sout_mux_t*)p_this;
192 sout_mux_sys_t *p_sys;
195 msg_Dbg( p_mux, "Mp4 muxer opend" );
196 sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
198 p_mux->pf_control = Control;
199 p_mux->pf_addstream = AddStream;
200 p_mux->pf_delstream = DelStream;
202 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
204 p_sys->i_nb_streams = 0;
205 p_sys->pp_streams = NULL;
206 p_sys->i_mdat_pos = 0;
207 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
208 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
209 p_sys->i_dts_start = 0;
214 /* Now add ftyp header */
215 box = box_new( "ftyp" );
216 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
217 else bo_add_fourcc( box, "isom" );
218 bo_add_32be ( box, 0 );
219 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
220 else bo_add_fourcc( box, "mp41" );
223 p_sys->i_pos += box->i_buffer;
224 p_sys->i_mdat_pos = p_sys->i_pos;
226 box_send( p_mux, box );
230 * Quicktime actually doesn't like the 64 bits extensions !!! */
231 p_sys->b_64_ext = VLC_FALSE;
233 /* Now add mdat header */
234 box = box_new( "mdat" );
235 bo_add_64be ( box, 0 ); // enough to store an extended size
237 p_sys->i_pos += box->i_buffer;
239 box_send( p_mux, box );
244 /*****************************************************************************
246 *****************************************************************************/
247 static void Close( vlc_object_t * p_this )
249 sout_mux_t *p_mux = (sout_mux_t*)p_this;
250 sout_mux_sys_t *p_sys = p_mux->p_sys;
258 msg_Dbg( p_mux, "Close" );
260 /* Update mdat size */
261 bo_init( &bo, 0, NULL, VLC_TRUE );
262 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
265 bo_add_32be ( &bo, 1 );
266 bo_add_fourcc( &bo, "mdat" );
267 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
271 bo_add_32be ( &bo, 8 );
272 bo_add_fourcc( &bo, "wide" );
273 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
274 bo_add_fourcc( &bo, "mdat" );
276 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
279 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
280 sout_AccessOutWrite( p_mux->p_access, p_hdr );
282 /* Create MOOV header */
283 i_moov_pos = p_sys->i_pos;
284 moov = GetMoovBox( p_mux );
286 /* Check we need to create "fast start" files */
287 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
288 p_sys->b_fast_start = val.b_bool;
289 while( p_sys->b_fast_start )
291 /* Move data to the end of the file so we can fit the moov header
294 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
295 int i_moov_size = moov->i_buffer;
299 i_chunk = __MIN( 32768, i_size );
300 p_buf = block_New( p_mux, i_chunk );
301 sout_AccessOutSeek( p_mux->p_access,
302 p_sys->i_mdat_pos + i_size - i_chunk );
303 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
305 msg_Warn( p_this, "read() not supported by acces output, "
306 "won't create a fast start file" );
307 p_sys->b_fast_start = VLC_FALSE;
308 block_Release( p_buf );
311 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
312 i_moov_size - i_chunk );
313 sout_AccessOutWrite( p_mux->p_access, p_buf );
317 if( !p_sys->b_fast_start ) break;
319 /* Fix-up samples to chunks table in MOOV header */
320 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
322 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
326 moov->i_buffer = p_stream->i_stco_pos;
327 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
329 if( p_stream->b_stco64 )
330 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
332 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
334 while( i < p_stream->i_entry_count )
336 if( i + 1 < p_stream->i_entry_count &&
337 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
338 != p_stream->entry[i + 1].i_pos )
349 moov->i_buffer = i_moov_size;
350 i_moov_pos = p_sys->i_mdat_pos;
351 p_sys->b_fast_start = VLC_FALSE;
354 /* Write MOOV header */
355 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
356 box_send( p_mux, moov );
359 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
361 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
363 es_format_Clean( &p_stream->fmt );
364 if( p_stream->avc.i_sps ) free( p_stream->avc.sps );
365 if( p_stream->avc.i_pps ) free( p_stream->avc.pps );
366 free( p_stream->entry );
369 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
373 /*****************************************************************************
375 *****************************************************************************/
376 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
382 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
383 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
384 *pb_bool = VLC_FALSE;
387 case MUX_GET_ADD_STREAM_WAIT:
388 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
392 case MUX_GET_MIME: /* Not needed, as not streamable */
398 /*****************************************************************************
400 *****************************************************************************/
401 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
403 sout_mux_sys_t *p_sys = p_mux->p_sys;
404 mp4_stream_t *p_stream;
406 switch( p_input->p_fmt->i_codec )
408 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
409 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
410 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
411 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
412 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
413 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
414 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
415 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
416 case VLC_FOURCC( 'h', '2', '6', '4' ):
418 case VLC_FOURCC( 's', 'u', 'b', 't' ):
419 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
422 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
423 (char*)&p_input->p_fmt->i_codec );
427 p_stream = malloc( sizeof( mp4_stream_t ) );
428 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
429 p_stream->i_track_id = p_sys->i_nb_streams + 1;
430 p_stream->i_length_neg = 0;
431 p_stream->i_entry_count = 0;
432 p_stream->i_entry_max = 1000;
434 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
435 p_stream->i_dts_start = 0;
436 p_stream->i_duration = 0;
437 p_stream->avc.i_profile = 77;
438 p_stream->avc.i_level = 51;
439 p_stream->avc.i_sps = 0;
440 p_stream->avc.sps = NULL;
441 p_stream->avc.i_pps = 0;
442 p_stream->avc.pps = NULL;
444 p_input->p_sys = p_stream;
446 msg_Dbg( p_mux, "adding input" );
448 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
452 /*****************************************************************************
454 *****************************************************************************/
455 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
457 msg_Dbg( p_mux, "removing input" );
461 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
467 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
469 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
472 if( p_fifo->i_depth <= 1 )
474 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
476 return -1; // wait that all fifo have at least 2 packets
478 /* For SPU, we wait only 1 packet */
482 p_buf = block_FifoShow( p_fifo );
483 if( i_stream < 0 || p_buf->i_dts < i_dts )
485 i_dts = p_buf->i_dts;
491 *pi_stream = i_stream;
500 /*****************************************************************************
502 *****************************************************************************/
503 static int Mux( sout_mux_t *p_mux )
505 sout_mux_sys_t *p_sys = p_mux->p_sys;
509 sout_input_t *p_input;
511 mp4_stream_t *p_stream;
515 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
517 return( VLC_SUCCESS );
520 p_input = p_mux->pp_inputs[i_stream];
521 p_stream = (mp4_stream_t*)p_input->p_sys;
523 p_data = block_FifoGet( p_input->p_fifo );
524 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
526 ConvertAVC1( p_mux, p_stream, p_data );
528 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
530 p_data = ConvertSUBT( p_mux, p_stream, p_data );
533 if( p_stream->fmt.i_cat != SPU_ES )
535 /* Fix length of the sample */
536 if( p_input->p_fifo->i_depth > 0 )
538 block_t *p_next = block_FifoShow( p_input->p_fifo );
539 int64_t i_diff = p_next->i_dts - p_data->i_dts;
541 if( i_diff < I64C(1000000 ) ) /* protection */
543 p_data->i_length = i_diff;
546 if( p_data->i_length <= 0 )
548 msg_Warn( p_mux, "i_length <= 0" );
549 p_stream->i_length_neg += p_data->i_length - 1;
550 p_data->i_length = 1;
552 else if( p_stream->i_length_neg < 0 )
554 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
556 p_data->i_length -= i_recover;
557 p_stream->i_length_neg += i_recover;
561 /* Save starting time */
562 if( p_stream->i_entry_count == 0 )
564 p_stream->i_dts_start = p_data->i_dts;
566 /* Update global dts_start */
567 if( p_sys->i_dts_start <= 0 ||
568 p_stream->i_dts_start < p_sys->i_dts_start )
570 p_sys->i_dts_start = p_stream->i_dts_start;
574 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
576 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
580 /* FIXME handle this broken case */
585 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
587 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
592 /* add index entry */
593 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
594 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
595 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
596 __MAX( p_data->i_pts - p_data->i_dts, 0 );
597 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
598 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
600 p_stream->i_entry_count++;
601 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
602 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
604 p_stream->i_entry_max += 1000;
606 realloc( p_stream->entry,
607 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
611 p_stream->i_duration += p_data->i_length;
612 p_sys->i_pos += p_data->i_buffer;
615 p_stream->i_last_dts = p_data->i_dts;
618 sout_AccessOutWrite( p_mux->p_access, p_data );
620 if( p_stream->fmt.i_cat == SPU_ES )
622 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
627 msg_Dbg( p_mux, "writing a empty subs" ) ;
629 /* Append a idx entry */
630 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
631 p_stream->entry[p_stream->i_entry_count].i_size = 3;
632 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
633 p_stream->entry[p_stream->i_entry_count].i_length = 0;
634 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
636 /* XXX: No need to grow the entry here */
637 p_stream->i_entry_count++;
640 p_stream->i_last_dts += i_length;
643 p_data = block_New( p_mux, 3 );
644 p_data->p_buffer[0] = 0;
645 p_data->p_buffer[1] = 1;
646 p_data->p_buffer[2] = ' ';
648 p_sys->i_pos += p_data->i_buffer;
650 sout_AccessOutWrite( p_mux->p_access, p_data );
654 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
658 return( VLC_SUCCESS );
661 /*****************************************************************************
663 *****************************************************************************/
664 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
666 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
668 /* No trailling '\0' */
669 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
672 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
673 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
678 static void ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
680 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
681 uint8_t *dat = &p_block->p_buffer[4];
682 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
685 /* Replace the 4 bytes start code with 4 bytes size,
686 * FIXME are all startcode 4 bytes ? (I don't think :( */
691 while( dat < end - 4 )
693 if( dat[0] == 0x00 && dat[1] == 0x00 &&
694 dat[2] == 0x00 && dat[3] == 0x01 )
706 i_size = dat - &last[4];
707 last[0] = ( i_size >> 24 )&0xff;
708 last[1] = ( i_size >> 16 )&0xff;
709 last[2] = ( i_size >> 8 )&0xff;
710 last[3] = ( i_size )&0xff;
712 if( (last[4]&0x1f) == 7 && tk->avc.i_sps <= 0 ) /* SPS */
714 tk->avc.i_sps = i_size;
715 tk->avc.sps = malloc( i_size );
716 memcpy( tk->avc.sps, &last[4], i_size );
718 tk->avc.i_profile = tk->avc.sps[1];
719 tk->avc.i_level = tk->avc.sps[3];
721 else if( (last[4]&0x1f) == 8 && tk->avc.i_pps <= 0 ) /* PPS */
723 tk->avc.i_pps = i_size;
724 tk->avc.pps = malloc( i_size );
725 memcpy( tk->avc.pps, &last[4], i_size );
735 static int GetDescrLength( int i_size )
737 if( i_size < 0x00000080 )
739 else if( i_size < 0x00004000 )
741 else if( i_size < 0x00200000 )
747 static bo_t *GetESDS( mp4_stream_t *p_stream )
751 int i_object_type_indication;
752 int i_decoder_specific_info_size;
754 int64_t i_bitrate_avg = 0;
755 int64_t i_bitrate_max = 0;
757 /* Compute avg/max bitrate */
758 for( i = 0; i < p_stream->i_entry_count; i++ )
760 i_bitrate_avg += p_stream->entry[i].i_size;
761 if( p_stream->entry[i].i_length > 0)
763 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
764 if( i_bitrate > i_bitrate_max )
765 i_bitrate_max = i_bitrate;
769 if( p_stream->i_duration > 0 )
770 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
773 if( i_bitrate_max <= 1 )
774 i_bitrate_max = 0x7fffffff;
777 if( p_stream->fmt.i_extra > 0 )
779 i_decoder_specific_info_size =
780 GetDescrLength( p_stream->fmt.i_extra );
784 i_decoder_specific_info_size = 0;
787 esds = box_full_new( "esds", 0, 0 );
790 bo_add_descr( esds, 0x03, 3 +
791 GetDescrLength( 13 + i_decoder_specific_info_size ) +
792 GetDescrLength( 1 ) );
793 bo_add_16be( esds, p_stream->i_track_id );
794 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
796 /* DecoderConfigDescr */
797 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
799 switch( p_stream->fmt.i_codec )
801 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
802 i_object_type_indication = 0x20;
804 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
805 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
806 i_object_type_indication = 0x60;
808 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
809 /* FIXME for mpeg2-aac == 0x66->0x68 */
810 i_object_type_indication = 0x40;
812 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
813 i_object_type_indication =
814 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
817 i_object_type_indication = 0x00;
820 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
822 bo_add_8 ( esds, i_object_type_indication );
823 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
824 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
825 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
826 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
828 if( p_stream->fmt.i_extra > 0 )
832 /* DecoderSpecificInfo */
833 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
835 for( i = 0; i < p_stream->fmt.i_extra; i++ )
837 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
841 /* SL_Descr mandatory */
842 bo_add_descr( esds, 0x06, 1 );
843 bo_add_8 ( esds, 0x02 ); // sl_predefined
850 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
855 wave = box_new( "wave" );
857 box = box_new( "frma" );
858 bo_add_fourcc( box, "mp4a" );
860 box_gather( wave, box );
862 box = box_new( "mp4a" );
863 bo_add_32be( box, 0 );
865 box_gather( wave, box );
867 box = GetESDS( p_stream );
869 box_gather( wave, box );
871 box = box_new( "srcq" );
872 bo_add_32be( box, 0x40 );
874 box_gather( wave, box );
877 bo_add_32be( wave, 8 ); /* new empty box */
878 bo_add_32be( wave, 0 ); /* box label */
885 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
889 /* FIXME use better value */
890 avcC = box_new( "avcC" );
891 bo_add_8( avcC, 1 ); /* configuration version */
892 bo_add_8( avcC, p_stream->avc.i_profile );
893 bo_add_8( avcC, p_stream->avc.i_profile ); /* profile compatible ??? */
894 bo_add_8( avcC, p_stream->avc.i_level ); /* level, 5.1 */
895 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
897 bo_add_8( avcC, 0xe0 | (p_stream->avc.i_sps > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
898 if( p_stream->avc.i_sps > 0 )
900 bo_add_16be( avcC, p_stream->avc.i_sps );
901 bo_add_mem( avcC, p_stream->avc.i_sps, p_stream->avc.sps );
904 bo_add_8( avcC, (p_stream->avc.i_pps > 0 ? 1 : 0) ); /* pps_count */
905 if( p_stream->avc.i_pps > 0 )
907 bo_add_16be( avcC, p_stream->avc.i_pps );
908 bo_add_mem( avcC, p_stream->avc.i_pps, p_stream->avc.pps );
915 /* TODO: No idea about these values */
916 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
918 bo_t *smi = box_new( "SMI " );
920 if( p_stream->fmt.i_extra > 0x4e )
922 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
923 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
925 while( p + 8 < p_end )
927 int i_size = GetDWBE( p );
930 /* FIXME handle 1 as long size */
933 if( !strncmp( &p[4], "SMI ", 4 ) )
935 bo_add_mem( smi, p_end - p - 8, &p[8] );
942 /* Create a dummy one in fallback */
943 bo_add_fourcc( smi, "SEQH" );
944 bo_add_32be( smi, 0x5 );
945 bo_add_32be( smi, 0xe2c0211d );
946 bo_add_8( smi, 0xc0 );
952 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
954 sout_mux_sys_t *p_sys = p_mux->p_sys;
955 bo_t *udta = box_new( "udta" );
956 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
960 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
962 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
964 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
965 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
967 bo_t *box = box_new( "\251req" );
969 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
970 bo_add_16be( box, 0 );
971 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
972 "QuickTime 6.0 or greater" );
974 box_gather( udta, box );
981 bo_t *box = box_new( "\251enc" );
983 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
984 bo_add_16be( box, 0 );
985 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
986 PACKAGE_STRING " stream output" );
988 box_gather( udta, box );
995 for( i = 0; i < p_meta->i_meta; i++ )
999 if( !strcmp( p_meta->name[i], VLC_META_TITLE ) )
1000 box = box_new( "\251nam" );
1001 else if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
1002 box = box_new( "\251aut" );
1003 else if( !strcmp( p_meta->name[i], VLC_META_ARTIST ) )
1004 box = box_new( "\251ART" );
1005 else if( !strcmp( p_meta->name[i], VLC_META_GENRE ) )
1006 box = box_new( "\251gen" );
1007 else if( !strcmp( p_meta->name[i], VLC_META_COPYRIGHT ) )
1008 box = box_new( "\251cpy" );
1009 else if( !strcmp( p_meta->name[i], VLC_META_DESCRIPTION ) )
1010 box = box_new( "\251des" );
1011 else if( !strcmp( p_meta->name[i], VLC_META_DATE ) )
1012 box = box_new( "\251day" );
1013 else if( !strcmp( p_meta->name[i], VLC_META_URL ) )
1014 box = box_new( "\251url" );
1018 bo_add_16be( box, strlen( p_meta->value[i] ) );
1019 bo_add_16be( box, 0 );
1020 bo_add_mem( box, strlen( p_meta->value[i] ),
1023 box_gather( udta, box );
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 vlc_bool_t b_descr = VLC_FALSE;
1040 switch( p_stream->fmt.i_codec )
1042 case VLC_FOURCC('m','p','4','a'):
1043 memcpy( fcc, "mp4a", 4 );
1047 case VLC_FOURCC('m','p','g','a'):
1049 memcpy( fcc, ".mp3", 4 );
1052 memcpy( fcc, "mp4a", 4 );
1058 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1062 soun = box_new( fcc );
1063 for( i = 0; i < 6; i++ )
1065 bo_add_8( soun, 0 ); // reserved;
1067 bo_add_16be( soun, 1 ); // data-reference-index
1069 /* SoundDescription */
1071 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1073 bo_add_16be( soun, 1 ); // version 1;
1077 bo_add_16be( soun, 0 ); // version 0;
1079 bo_add_16be( soun, 0 ); // revision level (0)
1080 bo_add_32be( soun, 0 ); // vendor
1082 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1084 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1085 p_stream->fmt.audio.i_bitspersample : 16 );
1086 bo_add_16be( soun, -2 ); // compression id
1087 bo_add_16be( soun, 0 ); // packet size (0)
1088 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1089 bo_add_16be( soun, 0 ); // sampleratelo
1091 /* Extended data for SoundDescription V1 */
1093 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1095 /* samples per packet */
1096 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1097 bo_add_32be( soun, 1536 ); /* bytes per packet */
1098 bo_add_32be( soun, 2 ); /* bytes per frame */
1099 /* bytes per sample */
1100 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1103 /* Add an ES Descriptor */
1109 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1111 box = GetWaveTag( p_stream );
1115 box = GetESDS( p_stream );
1118 box_gather( soun, box );
1126 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1133 switch( p_stream->fmt.i_codec )
1135 case VLC_FOURCC('m','p','4','v'):
1136 case VLC_FOURCC('m','p','g','v'):
1137 memcpy( fcc, "mp4v", 4 );
1140 case VLC_FOURCC('M','J','P','G'):
1141 memcpy( fcc, "mjpa", 4 );
1144 case VLC_FOURCC('S','V','Q','1'):
1145 memcpy( fcc, "SVQ1", 4 );
1148 case VLC_FOURCC('S','V','Q','3'):
1149 memcpy( fcc, "SVQ3", 4 );
1152 case VLC_FOURCC('h','2','6','4'):
1153 memcpy( fcc, "avc1", 4 );
1157 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1161 vide = box_new( fcc );
1162 for( i = 0; i < 6; i++ )
1164 bo_add_8( vide, 0 ); // reserved;
1166 bo_add_16be( vide, 1 ); // data-reference-index
1168 bo_add_16be( vide, 0 ); // predefined;
1169 bo_add_16be( vide, 0 ); // reserved;
1170 for( i = 0; i < 3; i++ )
1172 bo_add_32be( vide, 0 ); // predefined;
1175 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1176 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1178 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1179 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1181 bo_add_32be( vide, 0 ); // data size, always 0
1182 bo_add_16be( vide, 1 ); // frames count per sample
1185 for( i = 0; i < 32; i++ )
1187 bo_add_8( vide, 0 );
1190 bo_add_16be( vide, 0x18 ); // depth
1191 bo_add_16be( vide, 0xffff ); // predefined
1193 /* add an ES Descriptor */
1194 switch( p_stream->fmt.i_codec )
1196 case VLC_FOURCC('m','p','4','v'):
1197 case VLC_FOURCC('m','p','g','v'):
1199 bo_t *esds = GetESDS( p_stream );
1202 box_gather( vide, esds );
1206 case VLC_FOURCC('S','V','Q','3'):
1208 bo_t *esds = GetSVQ3Tag( p_stream );
1211 box_gather( vide, esds );
1215 case VLC_FOURCC('h','2','6','4'):
1216 box_gather( vide, GetAvcCTag( p_stream ) );
1228 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1231 bo_t *text = box_new( "text" );
1234 for( i = 0; i < 6; i++ )
1236 bo_add_8( text, 0 ); // reserved;
1238 bo_add_16be( text, 1 ); // data-reference-index
1240 bo_add_32be( text, 0 ); // display flags
1241 bo_add_32be( text, 0 ); // justification
1242 for( i = 0; i < 3; i++ )
1244 bo_add_16be( text, 0 ); // back ground color
1247 bo_add_16be( text, 0 ); // box text
1248 bo_add_16be( text, 0 ); // box text
1249 bo_add_16be( text, 0 ); // box text
1250 bo_add_16be( text, 0 ); // box text
1252 bo_add_64be( text, 0 ); // reserved
1253 for( i = 0; i < 3; i++ )
1255 bo_add_16be( text, 0xff ); // foreground color
1258 bo_add_8 ( text, 9 );
1259 bo_add_mem( text, 9, "Helvetica" );
1266 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1268 sout_mux_sys_t *p_sys = p_mux->p_sys;
1269 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1270 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1271 uint32_t i_timescale;
1272 int64_t i_dts, i_dts_q;
1274 stbl = box_new( "stbl" );
1276 /* sample description */
1277 stsd = box_full_new( "stsd", 0, 0 );
1278 bo_add_32be( stsd, 1 );
1279 if( p_stream->fmt.i_cat == AUDIO_ES )
1281 bo_t *soun = GetSounBox( p_mux, p_stream );
1282 box_gather( stsd, soun );
1284 else if( p_stream->fmt.i_cat == VIDEO_ES )
1286 bo_t *vide = GetVideBox( p_mux, p_stream );
1287 box_gather( stsd, vide );
1289 else if( p_stream->fmt.i_cat == SPU_ES )
1291 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1295 /* chunk offset table */
1296 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1298 /* 64 bits version */
1299 p_stream->b_stco64 = VLC_TRUE;
1300 stco = box_full_new( "co64", 0, 0 );
1304 /* 32 bits version */
1305 p_stream->b_stco64 = VLC_FALSE;
1306 stco = box_full_new( "stco", 0, 0 );
1308 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1310 /* sample to chunk table */
1311 stsc = box_full_new( "stsc", 0, 0 );
1312 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1314 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1315 i < p_stream->i_entry_count; i_chunk++ )
1319 if( p_stream->b_stco64 )
1320 bo_add_64be( stco, p_stream->entry[i].i_pos );
1322 bo_add_32be( stco, p_stream->entry[i].i_pos );
1324 while( i < p_stream->i_entry_count )
1326 if( i + 1 < p_stream->i_entry_count &&
1327 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1328 != p_stream->entry[i + 1].i_pos )
1337 /* Add entry to the stsc table */
1338 if( i_stsc_last_val != i - i_first )
1340 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1341 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1342 bo_add_32be( stsc, 1 ); // sample-descr-index
1343 i_stsc_last_val = i - i_first;
1348 /* Fix stco entry count */
1349 bo_fix_32be( stco, 12, i_chunk );
1350 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1353 /* Fix stsc entry count */
1354 bo_fix_32be( stsc, 12, i_stsc_entries );
1358 stts = box_full_new( "stts", 0, 0 );
1359 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1361 if( p_stream->fmt.i_cat == AUDIO_ES )
1362 i_timescale = p_stream->fmt.audio.i_rate;
1366 /* first, create quantified length */
1367 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1369 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1370 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1372 i_dts += p_stream->entry[i].i_length;
1374 p_stream->entry[i].i_length =
1375 i_delta * (int64_t)i_timescale / I64C(1000000);
1377 i_dts_q += p_stream->entry[i].i_length;
1379 /* then write encoded table */
1380 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1383 int64_t i_delta = p_stream->entry[i].i_length;
1385 while( i < p_stream->i_entry_count )
1388 if( i >= p_stream->i_entry_count ||
1389 p_stream->entry[i].i_length != i_delta )
1395 bo_add_32be( stts, i - i_first ); // sample-count
1396 bo_add_32be( stts, i_delta ); // sample-delta
1398 bo_fix_32be( stts, 12, i_index );
1401 /* FIXME add ctts ?? FIXME */
1403 stsz = box_full_new( "stsz", 0, 0 );
1404 bo_add_32be( stsz, 0 ); // sample-size
1405 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1406 for( i = 0; i < p_stream->i_entry_count; i++ )
1408 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1412 /* create stss table */
1414 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1416 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1420 stss = box_full_new( "stss", 0, 0 );
1421 bo_add_32be( stss, 0 ); /* fixed later */
1423 bo_add_32be( stss, 1 + i );
1429 bo_fix_32be( stss, 12, i_index );
1433 /* Now gather all boxes into stbl */
1434 box_gather( stbl, stsd );
1435 box_gather( stbl, stts );
1438 box_gather( stbl, stss );
1440 box_gather( stbl, stsc );
1441 box_gather( stbl, stsz );
1442 p_stream->i_stco_pos = stbl->i_buffer + 16;
1443 box_gather( stbl, stco );
1451 static int64_t get_timestamp();
1453 static uint32_t mvhd_matrix[9] =
1454 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1456 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1458 sout_mux_sys_t *p_sys = p_mux->p_sys;
1463 uint32_t i_movie_timescale = 90000;
1464 int64_t i_movie_duration = 0;
1466 moov = box_new( "moov" );
1468 /* Create general info */
1469 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1471 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1472 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1474 msg_Dbg( p_mux, "movie duration %ds",
1475 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1477 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1479 /* *** add /moov/mvhd *** */
1480 if( !p_sys->b_64_ext )
1482 mvhd = box_full_new( "mvhd", 0, 0 );
1483 bo_add_32be( mvhd, get_timestamp() ); // creation time
1484 bo_add_32be( mvhd, get_timestamp() ); // modification time
1485 bo_add_32be( mvhd, i_movie_timescale); // timescale
1486 bo_add_32be( mvhd, i_movie_duration ); // duration
1490 mvhd = box_full_new( "mvhd", 1, 0 );
1491 bo_add_64be( mvhd, get_timestamp() ); // creation time
1492 bo_add_64be( mvhd, get_timestamp() ); // modification time
1493 bo_add_32be( mvhd, i_movie_timescale); // timescale
1494 bo_add_64be( mvhd, i_movie_duration ); // duration
1496 bo_add_32be( mvhd, 0x10000 ); // rate
1497 bo_add_16be( mvhd, 0x100 ); // volume
1498 bo_add_16be( mvhd, 0 ); // reserved
1499 for( i = 0; i < 2; i++ )
1501 bo_add_32be( mvhd, 0 ); // reserved
1503 for( i = 0; i < 9; i++ )
1505 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1507 for( i = 0; i < 6; i++ )
1509 bo_add_32be( mvhd, 0 ); // pre-defined
1512 /* Next available track id */
1513 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1516 box_gather( moov, mvhd );
1518 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1520 mp4_stream_t *p_stream;
1521 uint32_t i_timescale;
1523 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1524 bo_t *minf, *dinf, *dref, *url, *stbl;
1526 p_stream = p_sys->pp_streams[i_trak];
1528 if( p_stream->fmt.i_cat == AUDIO_ES )
1529 i_timescale = p_stream->fmt.audio.i_rate;
1533 /* *** add /moov/trak *** */
1534 trak = box_new( "trak" );
1536 /* *** add /moov/trak/tkhd *** */
1537 if( !p_sys->b_64_ext )
1540 tkhd = box_full_new( "tkhd", 0, 0x0f );
1542 tkhd = box_full_new( "tkhd", 0, 1 );
1544 bo_add_32be( tkhd, get_timestamp() ); // creation time
1545 bo_add_32be( tkhd, get_timestamp() ); // modification time
1546 bo_add_32be( tkhd, p_stream->i_track_id );
1547 bo_add_32be( tkhd, 0 ); // reserved 0
1548 bo_add_32be( tkhd, p_stream->i_duration *
1549 (int64_t)i_movie_timescale /
1550 (mtime_t)1000000 ); // duration
1555 tkhd = box_full_new( "tkhd", 1, 0x0f );
1557 tkhd = box_full_new( "tkhd", 1, 1 );
1559 bo_add_64be( tkhd, get_timestamp() ); // creation time
1560 bo_add_64be( tkhd, get_timestamp() ); // modification time
1561 bo_add_32be( tkhd, p_stream->i_track_id );
1562 bo_add_32be( tkhd, 0 ); // reserved 0
1563 bo_add_64be( tkhd, p_stream->i_duration *
1564 (int64_t)i_movie_timescale /
1565 (mtime_t)1000000 ); // duration
1568 for( i = 0; i < 2; i++ )
1570 bo_add_32be( tkhd, 0 ); // reserved
1572 bo_add_16be( tkhd, 0 ); // layer
1573 bo_add_16be( tkhd, 0 ); // pre-defined
1575 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1576 bo_add_16be( tkhd, 0 ); // reserved
1577 for( i = 0; i < 9; i++ )
1579 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1581 if( p_stream->fmt.i_cat == AUDIO_ES )
1583 bo_add_32be( tkhd, 0 ); // width (presentation)
1584 bo_add_32be( tkhd, 0 ); // height(presentation)
1586 else if( p_stream->fmt.i_cat == VIDEO_ES )
1588 int i_width = p_stream->fmt.video.i_width << 16;
1589 if( p_stream->fmt.video.i_aspect > 0 )
1591 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1592 ((int64_t)p_stream->fmt.video.i_height << 16) /
1595 // width (presentation)
1596 bo_add_32be( tkhd, i_width );
1597 // height(presentation)
1598 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1602 int i_width = 320 << 16;
1605 for( i = 0; i < p_sys->i_nb_streams; i++ )
1607 mp4_stream_t *tk = p_sys->pp_streams[i];
1608 if( tk->fmt.i_cat == VIDEO_ES )
1610 if( p_stream->fmt.video.i_aspect )
1611 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1612 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1614 i_width = p_stream->fmt.video.i_width << 16;
1615 i_height = p_stream->fmt.video.i_height;
1619 bo_add_32be( tkhd, i_width ); // width (presentation)
1620 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1624 box_gather( trak, tkhd );
1626 /* *** add /moov/trak/edts and elst */
1627 edts = box_new( "edts" );
1628 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1629 if( p_stream->i_dts_start > p_sys->i_dts_start )
1631 bo_add_32be( elst, 2 );
1633 if( p_sys->b_64_ext )
1635 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1636 i_movie_timescale / I64C(1000000) );
1637 bo_add_64be( elst, -1 );
1641 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1642 i_movie_timescale / I64C(1000000) );
1643 bo_add_32be( elst, -1 );
1645 bo_add_16be( elst, 1 );
1646 bo_add_16be( elst, 0 );
1650 bo_add_32be( elst, 1 );
1652 if( p_sys->b_64_ext )
1654 bo_add_64be( elst, p_stream->i_duration *
1655 i_movie_timescale / I64C(1000000) );
1656 bo_add_64be( elst, 0 );
1660 bo_add_32be( elst, p_stream->i_duration *
1661 i_movie_timescale / I64C(1000000) );
1662 bo_add_32be( elst, 0 );
1664 bo_add_16be( elst, 1 );
1665 bo_add_16be( elst, 0 );
1668 box_gather( edts, elst );
1670 box_gather( trak, edts );
1672 /* *** add /moov/trak/mdia *** */
1673 mdia = box_new( "mdia" );
1676 if( !p_sys->b_64_ext )
1678 mdhd = box_full_new( "mdhd", 0, 0 );
1679 bo_add_32be( mdhd, get_timestamp() ); // creation time
1680 bo_add_32be( mdhd, get_timestamp() ); // modification time
1681 bo_add_32be( mdhd, i_timescale); // timescale
1682 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1683 (mtime_t)1000000 ); // duration
1687 mdhd = box_full_new( "mdhd", 1, 0 );
1688 bo_add_64be( mdhd, get_timestamp() ); // creation time
1689 bo_add_64be( mdhd, get_timestamp() ); // modification time
1690 bo_add_32be( mdhd, i_timescale); // timescale
1691 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1692 (mtime_t)1000000 ); // duration
1695 if( p_stream->fmt.psz_language )
1697 char *psz = p_stream->fmt.psz_language;
1698 const iso639_lang_t *pl = NULL;
1699 uint16_t lang = 0x0;
1701 if( strlen( psz ) == 2 )
1703 pl = GetLang_1( psz );
1705 else if( strlen( psz ) == 3 )
1707 pl = GetLang_2B( psz );
1708 if( !strcmp( pl->psz_iso639_1, "??" ) )
1710 pl = GetLang_2T( psz );
1713 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1715 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1716 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1717 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1719 bo_add_16be( mdhd, lang ); // language
1723 bo_add_16be( mdhd, 0 ); // language
1725 bo_add_16be( mdhd, 0 ); // predefined
1727 box_gather( mdia, mdhd );
1729 /* handler reference */
1730 hdlr = box_full_new( "hdlr", 0, 0 );
1733 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1735 bo_add_32be( hdlr, 0 );
1737 if( p_stream->fmt.i_cat == AUDIO_ES )
1738 bo_add_fourcc( hdlr, "soun" );
1739 else if( p_stream->fmt.i_cat == VIDEO_ES )
1740 bo_add_fourcc( hdlr, "vide" );
1741 else if( p_stream->fmt.i_cat == SPU_ES )
1742 bo_add_fourcc( hdlr, "text" );
1744 bo_add_32be( hdlr, 0 ); // reserved
1745 bo_add_32be( hdlr, 0 ); // reserved
1746 bo_add_32be( hdlr, 0 ); // reserved
1749 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1751 if( p_stream->fmt.i_cat == AUDIO_ES )
1752 bo_add_mem( hdlr, 12, "SoundHandler" );
1753 else if( p_stream->fmt.i_cat == VIDEO_ES )
1754 bo_add_mem( hdlr, 12, "VideoHandler" );
1756 bo_add_mem( hdlr, 12, "Text Handler" );
1759 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1762 box_gather( mdia, hdlr );
1765 minf = box_new( "minf" );
1768 if( p_stream->fmt.i_cat == AUDIO_ES )
1772 smhd = box_full_new( "smhd", 0, 0 );
1773 bo_add_16be( smhd, 0 ); // balance
1774 bo_add_16be( smhd, 0 ); // reserved
1777 box_gather( minf, smhd );
1779 else if( p_stream->fmt.i_cat == VIDEO_ES )
1783 vmhd = box_full_new( "vmhd", 0, 1 );
1784 bo_add_16be( vmhd, 0 ); // graphicsmode
1785 for( i = 0; i < 3; i++ )
1787 bo_add_16be( vmhd, 0 ); // opcolor
1791 box_gather( minf, vmhd );
1793 else if( p_stream->fmt.i_cat == SPU_ES )
1795 bo_t *gmhd = box_new( "gmhd" );
1796 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1798 bo_add_16be( gmin, 0 ); // graphicsmode
1799 for( i = 0; i < 3; i++ )
1801 bo_add_16be( gmin, 0 ); // opcolor
1803 bo_add_16be( gmin, 0 ); // balance
1804 bo_add_16be( gmin, 0 ); // reserved
1807 box_gather( gmhd, gmin );
1810 box_gather( minf, gmhd );
1814 dinf = box_new( "dinf" );
1815 dref = box_full_new( "dref", 0, 0 );
1816 bo_add_32be( dref, 1 );
1817 url = box_full_new( "url ", 0, 0x01 );
1819 box_gather( dref, url );
1821 box_gather( dinf, dref );
1823 /* append dinf to mdia */
1825 box_gather( minf, dinf );
1828 stbl = GetStblBox( p_mux, p_stream );
1830 /* append stbl to minf */
1831 p_stream->i_stco_pos += minf->i_buffer;
1832 box_gather( minf, stbl );
1834 /* append minf to mdia */
1836 p_stream->i_stco_pos += mdia->i_buffer;
1837 box_gather( mdia, minf );
1839 /* append mdia to trak */
1841 p_stream->i_stco_pos += trak->i_buffer;
1842 box_gather( trak, mdia );
1844 /* append trak to moov */
1846 p_stream->i_stco_pos += moov->i_buffer;
1847 box_gather( moov, trak );
1850 /* Add user data tags */
1851 box_gather( moov, GetUdtaTag( p_mux ) );
1857 /****************************************************************************/
1859 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1864 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1865 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1869 p_bo->i_buffer_size = i_size;
1870 p_bo->p_buffer = p_buffer;
1873 p_bo->b_grow = b_grow;
1877 static void bo_add_8( bo_t *p_bo, uint8_t i )
1879 if( p_bo->i_buffer < p_bo->i_buffer_size )
1881 p_bo->p_buffer[p_bo->i_buffer] = i;
1883 else if( p_bo->b_grow )
1885 p_bo->i_buffer_size += 1024;
1886 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1888 p_bo->p_buffer[p_bo->i_buffer] = i;
1894 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1896 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1897 bo_add_8( p_bo, i &0xff );
1900 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1902 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1903 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1904 bo_add_8( p_bo, ( i &0xff ) );
1906 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1908 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1909 bo_add_16be( p_bo, i &0xffff );
1912 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1914 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1915 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1916 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1917 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1920 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1922 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1923 bo_add_32be( p_bo, i &0xffffffff );
1926 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1928 bo_add_8( p_bo, fcc[0] );
1929 bo_add_8( p_bo, fcc[1] );
1930 bo_add_8( p_bo, fcc[2] );
1931 bo_add_8( p_bo, fcc[3] );
1934 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1938 for( i = 0; i < i_size; i++ )
1940 bo_add_8( p_bo, p_mem[i] );
1944 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
1950 vals[3] = (unsigned char)(i_length & 0x7f);
1952 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
1954 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
1956 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
1958 bo_add_8( p_bo, tag );
1960 if( i_size < 0x00000080 )
1962 bo_add_8( p_bo, vals[3] );
1964 else if( i_size < 0x00004000 )
1966 bo_add_8( p_bo, vals[2] );
1967 bo_add_8( p_bo, vals[3] );
1969 else if( i_size < 0x00200000 )
1971 bo_add_8( p_bo, vals[1] );
1972 bo_add_8( p_bo, vals[2] );
1973 bo_add_8( p_bo, vals[3] );
1975 else if( i_size < 0x10000000 )
1977 bo_add_8( p_bo, vals[0] );
1978 bo_add_8( p_bo, vals[1] );
1979 bo_add_8( p_bo, vals[2] );
1980 bo_add_8( p_bo, vals[3] );
1984 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
1988 for( i = 0; i < p_bo2->i_buffer; i++ )
1990 bo_add_8( p_bo, p_bo2->p_buffer[i] );
1994 static bo_t * box_new( char *fcc )
1998 if( ( box = malloc( sizeof( bo_t ) ) ) )
2000 bo_init( box, 0, NULL, VLC_TRUE );
2002 bo_add_32be ( box, 0 );
2003 bo_add_fourcc( box, fcc );
2009 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2013 if( ( box = malloc( sizeof( bo_t ) ) ) )
2015 bo_init( box, 0, NULL, VLC_TRUE );
2017 bo_add_32be ( box, 0 );
2018 bo_add_fourcc( box, fcc );
2019 bo_add_8 ( box, v );
2020 bo_add_24be ( box, f );
2026 static void box_fix( bo_t *box )
2030 memcpy( &box_tmp, box, sizeof( bo_t ) );
2032 box_tmp.i_buffer = 0;
2033 bo_add_32be( &box_tmp, box->i_buffer );
2036 static void box_free( bo_t *box )
2040 free( box->p_buffer );
2046 static void box_gather ( bo_t *box, bo_t *box2 )
2048 bo_add_bo( box, box2 );
2052 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2056 p_buf = block_New( p_sout, box->i_buffer );
2057 if( box->i_buffer > 0 )
2059 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2065 static void box_send( sout_mux_t *p_mux, bo_t *box )
2069 p_buf = bo_to_sout( p_mux->p_sout, box );
2072 sout_AccessOutWrite( p_mux->p_access, p_buf );
2075 static int64_t get_timestamp()
2077 int64_t i_timestamp = 0;
2080 i_timestamp = time(NULL);
2081 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2082 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60