1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003 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., 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', '3' ):
417 case VLC_FOURCC( 'h', '2', '6', '4' ):
418 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
419 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
421 case VLC_FOURCC( 's', 'u', 'b', 't' ):
422 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
425 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
426 (char*)&p_input->p_fmt->i_codec );
430 p_stream = malloc( sizeof( mp4_stream_t ) );
431 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
432 p_stream->i_track_id = p_sys->i_nb_streams + 1;
433 p_stream->i_length_neg = 0;
434 p_stream->i_entry_count = 0;
435 p_stream->i_entry_max = 1000;
437 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
438 p_stream->i_dts_start = 0;
439 p_stream->i_duration = 0;
440 p_stream->avc.i_profile = 77;
441 p_stream->avc.i_level = 51;
442 p_stream->avc.i_sps = 0;
443 p_stream->avc.sps = NULL;
444 p_stream->avc.i_pps = 0;
445 p_stream->avc.pps = NULL;
447 p_input->p_sys = p_stream;
449 msg_Dbg( p_mux, "adding input" );
451 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
455 /*****************************************************************************
457 *****************************************************************************/
458 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
460 msg_Dbg( p_mux, "removing input" );
464 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
470 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
472 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
475 if( p_fifo->i_depth <= 1 )
477 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
479 return -1; // wait that all fifo have at least 2 packets
481 /* For SPU, we wait only 1 packet */
485 p_buf = block_FifoShow( p_fifo );
486 if( i_stream < 0 || p_buf->i_dts < i_dts )
488 i_dts = p_buf->i_dts;
494 *pi_stream = i_stream;
503 /*****************************************************************************
505 *****************************************************************************/
506 static int Mux( sout_mux_t *p_mux )
508 sout_mux_sys_t *p_sys = p_mux->p_sys;
512 sout_input_t *p_input;
514 mp4_stream_t *p_stream;
518 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
520 return( VLC_SUCCESS );
523 p_input = p_mux->pp_inputs[i_stream];
524 p_stream = (mp4_stream_t*)p_input->p_sys;
526 p_data = block_FifoGet( p_input->p_fifo );
527 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
529 ConvertAVC1( p_mux, p_stream, p_data );
531 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
533 p_data = ConvertSUBT( p_mux, p_stream, p_data );
536 if( p_stream->fmt.i_cat != SPU_ES )
538 /* Fix length of the sample */
539 if( p_input->p_fifo->i_depth > 0 )
541 block_t *p_next = block_FifoShow( p_input->p_fifo );
542 int64_t i_diff = p_next->i_dts - p_data->i_dts;
544 if( i_diff < I64C(1000000 ) ) /* protection */
546 p_data->i_length = i_diff;
549 if( p_data->i_length <= 0 )
551 msg_Warn( p_mux, "i_length <= 0" );
552 p_stream->i_length_neg += p_data->i_length - 1;
553 p_data->i_length = 1;
555 else if( p_stream->i_length_neg < 0 )
557 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
559 p_data->i_length -= i_recover;
560 p_stream->i_length_neg += i_recover;
564 /* Save starting time */
565 if( p_stream->i_entry_count == 0 )
567 p_stream->i_dts_start = p_data->i_dts;
569 /* Update global dts_start */
570 if( p_sys->i_dts_start <= 0 ||
571 p_stream->i_dts_start < p_sys->i_dts_start )
573 p_sys->i_dts_start = p_stream->i_dts_start;
577 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
579 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
583 /* FIXME handle this broken case */
588 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
590 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
595 /* add index entry */
596 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
597 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
598 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
599 __MAX( p_data->i_pts - p_data->i_dts, 0 );
600 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
601 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
603 p_stream->i_entry_count++;
604 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
605 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
607 p_stream->i_entry_max += 1000;
609 realloc( p_stream->entry,
610 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
614 p_stream->i_duration += p_data->i_length;
615 p_sys->i_pos += p_data->i_buffer;
618 p_stream->i_last_dts = p_data->i_dts;
621 sout_AccessOutWrite( p_mux->p_access, p_data );
623 if( p_stream->fmt.i_cat == SPU_ES )
625 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
630 msg_Dbg( p_mux, "writing a empty subs" ) ;
632 /* Append a idx entry */
633 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
634 p_stream->entry[p_stream->i_entry_count].i_size = 3;
635 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
636 p_stream->entry[p_stream->i_entry_count].i_length = 0;
637 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
639 /* XXX: No need to grow the entry here */
640 p_stream->i_entry_count++;
643 p_stream->i_last_dts += i_length;
646 p_data = block_New( p_mux, 3 );
647 p_data->p_buffer[0] = 0;
648 p_data->p_buffer[1] = 1;
649 p_data->p_buffer[2] = ' ';
651 p_sys->i_pos += p_data->i_buffer;
653 sout_AccessOutWrite( p_mux->p_access, p_data );
657 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
661 return( VLC_SUCCESS );
664 /*****************************************************************************
666 *****************************************************************************/
667 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
669 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
671 /* No trailling '\0' */
672 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
675 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
676 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
681 static void ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
683 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
684 uint8_t *dat = &p_block->p_buffer[4];
685 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
688 /* Replace the 4 bytes start code with 4 bytes size,
689 * FIXME are all startcode 4 bytes ? (I don't think :( */
694 while( dat < end - 4 )
696 if( dat[0] == 0x00 && dat[1] == 0x00 &&
697 dat[2] == 0x00 && dat[3] == 0x01 )
709 i_size = dat - &last[4];
710 last[0] = ( i_size >> 24 )&0xff;
711 last[1] = ( i_size >> 16 )&0xff;
712 last[2] = ( i_size >> 8 )&0xff;
713 last[3] = ( i_size )&0xff;
715 if( (last[4]&0x1f) == 7 && tk->avc.i_sps <= 0 ) /* SPS */
717 tk->avc.i_sps = i_size;
718 tk->avc.sps = malloc( i_size );
719 memcpy( tk->avc.sps, &last[4], i_size );
721 tk->avc.i_profile = tk->avc.sps[1];
722 tk->avc.i_level = tk->avc.sps[3];
724 else if( (last[4]&0x1f) == 8 && tk->avc.i_pps <= 0 ) /* PPS */
726 tk->avc.i_pps = i_size;
727 tk->avc.pps = malloc( i_size );
728 memcpy( tk->avc.pps, &last[4], i_size );
738 static int GetDescrLength( int i_size )
740 if( i_size < 0x00000080 )
742 else if( i_size < 0x00004000 )
744 else if( i_size < 0x00200000 )
750 static bo_t *GetESDS( mp4_stream_t *p_stream )
754 int i_object_type_indication;
755 int i_decoder_specific_info_size;
757 int64_t i_bitrate_avg = 0;
758 int64_t i_bitrate_max = 0;
760 /* Compute avg/max bitrate */
761 for( i = 0; i < p_stream->i_entry_count; i++ )
763 i_bitrate_avg += p_stream->entry[i].i_size;
764 if( p_stream->entry[i].i_length > 0)
766 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
767 if( i_bitrate > i_bitrate_max )
768 i_bitrate_max = i_bitrate;
772 if( p_stream->i_duration > 0 )
773 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
776 if( i_bitrate_max <= 1 )
777 i_bitrate_max = 0x7fffffff;
780 if( p_stream->fmt.i_extra > 0 )
782 i_decoder_specific_info_size =
783 GetDescrLength( p_stream->fmt.i_extra );
787 i_decoder_specific_info_size = 0;
790 esds = box_full_new( "esds", 0, 0 );
793 bo_add_descr( esds, 0x03, 3 +
794 GetDescrLength( 13 + i_decoder_specific_info_size ) +
795 GetDescrLength( 1 ) );
796 bo_add_16be( esds, p_stream->i_track_id );
797 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
799 /* DecoderConfigDescr */
800 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
802 switch( p_stream->fmt.i_codec )
804 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
805 i_object_type_indication = 0x20;
807 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
808 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
809 i_object_type_indication = 0x60;
811 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
812 /* FIXME for mpeg2-aac == 0x66->0x68 */
813 i_object_type_indication = 0x40;
815 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
816 i_object_type_indication =
817 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
820 i_object_type_indication = 0x00;
823 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
825 bo_add_8 ( esds, i_object_type_indication );
826 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
827 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
828 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
829 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
831 if( p_stream->fmt.i_extra > 0 )
835 /* DecoderSpecificInfo */
836 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
838 for( i = 0; i < p_stream->fmt.i_extra; i++ )
840 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
844 /* SL_Descr mandatory */
845 bo_add_descr( esds, 0x06, 1 );
846 bo_add_8 ( esds, 0x02 ); // sl_predefined
853 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
858 wave = box_new( "wave" );
860 box = box_new( "frma" );
861 bo_add_fourcc( box, "mp4a" );
863 box_gather( wave, box );
865 box = box_new( "mp4a" );
866 bo_add_32be( box, 0 );
868 box_gather( wave, box );
870 box = GetESDS( p_stream );
872 box_gather( wave, box );
874 box = box_new( "srcq" );
875 bo_add_32be( box, 0x40 );
877 box_gather( wave, box );
880 bo_add_32be( wave, 8 ); /* new empty box */
881 bo_add_32be( wave, 0 ); /* box label */
888 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
892 damr = box_new( "damr" );
894 bo_add_fourcc( damr, "REFC" );
897 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
898 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
900 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
901 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
908 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
912 d263 = box_new( "d263" );
914 bo_add_fourcc( d263, "VLC " );
915 bo_add_16be( d263, 0xa );
923 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
927 /* FIXME use better value */
928 avcC = box_new( "avcC" );
929 bo_add_8( avcC, 1 ); /* configuration version */
930 bo_add_8( avcC, p_stream->avc.i_profile );
931 bo_add_8( avcC, p_stream->avc.i_profile ); /* profile compatible ??? */
932 bo_add_8( avcC, p_stream->avc.i_level ); /* level, 5.1 */
933 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
935 bo_add_8( avcC, 0xe0 | (p_stream->avc.i_sps > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
936 if( p_stream->avc.i_sps > 0 )
938 bo_add_16be( avcC, p_stream->avc.i_sps );
939 bo_add_mem( avcC, p_stream->avc.i_sps, p_stream->avc.sps );
942 bo_add_8( avcC, (p_stream->avc.i_pps > 0 ? 1 : 0) ); /* pps_count */
943 if( p_stream->avc.i_pps > 0 )
945 bo_add_16be( avcC, p_stream->avc.i_pps );
946 bo_add_mem( avcC, p_stream->avc.i_pps, p_stream->avc.pps );
953 /* TODO: No idea about these values */
954 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
956 bo_t *smi = box_new( "SMI " );
958 if( p_stream->fmt.i_extra > 0x4e )
960 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
961 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
963 while( p + 8 < p_end )
965 int i_size = GetDWBE( p );
968 /* FIXME handle 1 as long size */
971 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
973 bo_add_mem( smi, p_end - p - 8, &p[8] );
980 /* Create a dummy one in fallback */
981 bo_add_fourcc( smi, "SEQH" );
982 bo_add_32be( smi, 0x5 );
983 bo_add_32be( smi, 0xe2c0211d );
984 bo_add_8( smi, 0xc0 );
990 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
992 sout_mux_sys_t *p_sys = p_mux->p_sys;
993 bo_t *udta = box_new( "udta" );
994 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
998 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1000 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1002 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1003 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1005 bo_t *box = box_new( "\251req" );
1007 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1008 bo_add_16be( box, 0 );
1009 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1010 (uint8_t *)"QuickTime 6.0 or greater" );
1012 box_gather( udta, box );
1019 bo_t *box = box_new( "\251enc" );
1021 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1022 bo_add_16be( box, 0 );
1023 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1024 (uint8_t*)PACKAGE_STRING " stream output" );
1026 box_gather( udta, box );
1033 for( i = 0; i < p_meta->i_meta; i++ )
1037 if( !strcmp( p_meta->name[i], VLC_META_TITLE ) )
1038 box = box_new( "\251nam" );
1039 else if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
1040 box = box_new( "\251aut" );
1041 else if( !strcmp( p_meta->name[i], VLC_META_ARTIST ) )
1042 box = box_new( "\251ART" );
1043 else if( !strcmp( p_meta->name[i], VLC_META_GENRE ) )
1044 box = box_new( "\251gen" );
1045 else if( !strcmp( p_meta->name[i], VLC_META_COPYRIGHT ) )
1046 box = box_new( "\251cpy" );
1047 else if( !strcmp( p_meta->name[i], VLC_META_DESCRIPTION ) )
1048 box = box_new( "\251des" );
1049 else if( !strcmp( p_meta->name[i], VLC_META_DATE ) )
1050 box = box_new( "\251day" );
1051 else if( !strcmp( p_meta->name[i], VLC_META_URL ) )
1052 box = box_new( "\251url" );
1056 bo_add_16be( box, strlen( p_meta->value[i] ) );
1057 bo_add_16be( box, 0 );
1058 bo_add_mem( box, strlen( p_meta->value[i] ),
1059 (uint8_t*)(p_meta->value[i]) );
1061 box_gather( udta, box );
1070 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1072 sout_mux_sys_t *p_sys = p_mux->p_sys;
1073 vlc_bool_t b_descr = VLC_FALSE;
1078 switch( p_stream->fmt.i_codec )
1080 case VLC_FOURCC('m','p','4','a'):
1081 memcpy( fcc, "mp4a", 4 );
1085 case VLC_FOURCC('s','a','m','r'):
1086 case VLC_FOURCC('s','a','w','b'):
1087 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1091 case VLC_FOURCC('m','p','g','a'):
1093 memcpy( fcc, ".mp3", 4 );
1096 memcpy( fcc, "mp4a", 4 );
1102 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1106 soun = box_new( fcc );
1107 for( i = 0; i < 6; i++ )
1109 bo_add_8( soun, 0 ); // reserved;
1111 bo_add_16be( soun, 1 ); // data-reference-index
1113 /* SoundDescription */
1115 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1117 bo_add_16be( soun, 1 ); // version 1;
1121 bo_add_16be( soun, 0 ); // version 0;
1123 bo_add_16be( soun, 0 ); // revision level (0)
1124 bo_add_32be( soun, 0 ); // vendor
1126 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1128 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1129 p_stream->fmt.audio.i_bitspersample : 16 );
1130 bo_add_16be( soun, -2 ); // compression id
1131 bo_add_16be( soun, 0 ); // packet size (0)
1132 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1133 bo_add_16be( soun, 0 ); // sampleratelo
1135 /* Extended data for SoundDescription V1 */
1137 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1139 /* samples per packet */
1140 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1141 bo_add_32be( soun, 1536 ); /* bytes per packet */
1142 bo_add_32be( soun, 2 ); /* bytes per frame */
1143 /* bytes per sample */
1144 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1147 /* Add an ES Descriptor */
1153 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1155 box = GetWaveTag( p_stream );
1157 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1159 box = GetDamrTag( p_stream );
1163 box = GetESDS( p_stream );
1166 box_gather( soun, box );
1174 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1181 switch( p_stream->fmt.i_codec )
1183 case VLC_FOURCC('m','p','4','v'):
1184 case VLC_FOURCC('m','p','g','v'):
1185 memcpy( fcc, "mp4v", 4 );
1188 case VLC_FOURCC('M','J','P','G'):
1189 memcpy( fcc, "mjpa", 4 );
1192 case VLC_FOURCC('S','V','Q','1'):
1193 memcpy( fcc, "SVQ1", 4 );
1196 case VLC_FOURCC('S','V','Q','3'):
1197 memcpy( fcc, "SVQ3", 4 );
1200 case VLC_FOURCC('H','2','6','3'):
1201 memcpy( fcc, "s263", 4 );
1204 case VLC_FOURCC('h','2','6','4'):
1205 memcpy( fcc, "avc1", 4 );
1209 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1213 vide = box_new( fcc );
1214 for( i = 0; i < 6; i++ )
1216 bo_add_8( vide, 0 ); // reserved;
1218 bo_add_16be( vide, 1 ); // data-reference-index
1220 bo_add_16be( vide, 0 ); // predefined;
1221 bo_add_16be( vide, 0 ); // reserved;
1222 for( i = 0; i < 3; i++ )
1224 bo_add_32be( vide, 0 ); // predefined;
1227 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1228 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1230 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1231 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1233 bo_add_32be( vide, 0 ); // data size, always 0
1234 bo_add_16be( vide, 1 ); // frames count per sample
1237 for( i = 0; i < 32; i++ )
1239 bo_add_8( vide, 0 );
1242 bo_add_16be( vide, 0x18 ); // depth
1243 bo_add_16be( vide, 0xffff ); // predefined
1245 /* add an ES Descriptor */
1246 switch( p_stream->fmt.i_codec )
1248 case VLC_FOURCC('m','p','4','v'):
1249 case VLC_FOURCC('m','p','g','v'):
1251 bo_t *esds = GetESDS( p_stream );
1254 box_gather( vide, esds );
1258 case VLC_FOURCC('H','2','6','3'):
1260 bo_t *d263 = GetD263Tag( p_stream );
1263 box_gather( vide, d263 );
1267 case VLC_FOURCC('S','V','Q','3'):
1269 bo_t *esds = GetSVQ3Tag( p_stream );
1272 box_gather( vide, esds );
1276 case VLC_FOURCC('h','2','6','4'):
1277 box_gather( vide, GetAvcCTag( p_stream ) );
1289 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1292 bo_t *text = box_new( "text" );
1295 for( i = 0; i < 6; i++ )
1297 bo_add_8( text, 0 ); // reserved;
1299 bo_add_16be( text, 1 ); // data-reference-index
1301 bo_add_32be( text, 0 ); // display flags
1302 bo_add_32be( text, 0 ); // justification
1303 for( i = 0; i < 3; i++ )
1305 bo_add_16be( text, 0 ); // back ground color
1308 bo_add_16be( text, 0 ); // box text
1309 bo_add_16be( text, 0 ); // box text
1310 bo_add_16be( text, 0 ); // box text
1311 bo_add_16be( text, 0 ); // box text
1313 bo_add_64be( text, 0 ); // reserved
1314 for( i = 0; i < 3; i++ )
1316 bo_add_16be( text, 0xff ); // foreground color
1319 bo_add_8 ( text, 9 );
1320 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1327 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1329 sout_mux_sys_t *p_sys = p_mux->p_sys;
1330 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1331 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1332 uint32_t i_timescale;
1333 int64_t i_dts, i_dts_q;
1335 stbl = box_new( "stbl" );
1337 /* sample description */
1338 stsd = box_full_new( "stsd", 0, 0 );
1339 bo_add_32be( stsd, 1 );
1340 if( p_stream->fmt.i_cat == AUDIO_ES )
1342 bo_t *soun = GetSounBox( p_mux, p_stream );
1343 box_gather( stsd, soun );
1345 else if( p_stream->fmt.i_cat == VIDEO_ES )
1347 bo_t *vide = GetVideBox( p_mux, p_stream );
1348 box_gather( stsd, vide );
1350 else if( p_stream->fmt.i_cat == SPU_ES )
1352 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1356 /* chunk offset table */
1357 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1359 /* 64 bits version */
1360 p_stream->b_stco64 = VLC_TRUE;
1361 stco = box_full_new( "co64", 0, 0 );
1365 /* 32 bits version */
1366 p_stream->b_stco64 = VLC_FALSE;
1367 stco = box_full_new( "stco", 0, 0 );
1369 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1371 /* sample to chunk table */
1372 stsc = box_full_new( "stsc", 0, 0 );
1373 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1375 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1376 i < p_stream->i_entry_count; i_chunk++ )
1380 if( p_stream->b_stco64 )
1381 bo_add_64be( stco, p_stream->entry[i].i_pos );
1383 bo_add_32be( stco, p_stream->entry[i].i_pos );
1385 while( i < p_stream->i_entry_count )
1387 if( i + 1 < p_stream->i_entry_count &&
1388 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1389 != p_stream->entry[i + 1].i_pos )
1398 /* Add entry to the stsc table */
1399 if( i_stsc_last_val != i - i_first )
1401 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1402 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1403 bo_add_32be( stsc, 1 ); // sample-descr-index
1404 i_stsc_last_val = i - i_first;
1409 /* Fix stco entry count */
1410 bo_fix_32be( stco, 12, i_chunk );
1411 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1414 /* Fix stsc entry count */
1415 bo_fix_32be( stsc, 12, i_stsc_entries );
1419 stts = box_full_new( "stts", 0, 0 );
1420 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1422 if( p_stream->fmt.i_cat == AUDIO_ES )
1423 i_timescale = p_stream->fmt.audio.i_rate;
1427 /* first, create quantified length */
1428 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1430 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1431 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1433 i_dts += p_stream->entry[i].i_length;
1435 p_stream->entry[i].i_length =
1436 i_delta * (int64_t)i_timescale / I64C(1000000);
1438 i_dts_q += p_stream->entry[i].i_length;
1440 /* then write encoded table */
1441 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1444 int64_t i_delta = p_stream->entry[i].i_length;
1446 while( i < p_stream->i_entry_count )
1449 if( i >= p_stream->i_entry_count ||
1450 p_stream->entry[i].i_length != i_delta )
1456 bo_add_32be( stts, i - i_first ); // sample-count
1457 bo_add_32be( stts, i_delta ); // sample-delta
1459 bo_fix_32be( stts, 12, i_index );
1462 /* FIXME add ctts ?? FIXME */
1464 stsz = box_full_new( "stsz", 0, 0 );
1465 bo_add_32be( stsz, 0 ); // sample-size
1466 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1467 for( i = 0; i < p_stream->i_entry_count; i++ )
1469 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1473 /* create stss table */
1475 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1477 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1481 stss = box_full_new( "stss", 0, 0 );
1482 bo_add_32be( stss, 0 ); /* fixed later */
1484 bo_add_32be( stss, 1 + i );
1490 bo_fix_32be( stss, 12, i_index );
1494 /* Now gather all boxes into stbl */
1495 box_gather( stbl, stsd );
1496 box_gather( stbl, stts );
1499 box_gather( stbl, stss );
1501 box_gather( stbl, stsc );
1502 box_gather( stbl, stsz );
1503 p_stream->i_stco_pos = stbl->i_buffer + 16;
1504 box_gather( stbl, stco );
1512 static int64_t get_timestamp();
1514 static uint32_t mvhd_matrix[9] =
1515 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1517 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1519 sout_mux_sys_t *p_sys = p_mux->p_sys;
1524 uint32_t i_movie_timescale = 90000;
1525 int64_t i_movie_duration = 0;
1527 moov = box_new( "moov" );
1529 /* Create general info */
1530 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1532 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1533 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1535 msg_Dbg( p_mux, "movie duration %ds",
1536 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1538 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1540 /* *** add /moov/mvhd *** */
1541 if( !p_sys->b_64_ext )
1543 mvhd = box_full_new( "mvhd", 0, 0 );
1544 bo_add_32be( mvhd, get_timestamp() ); // creation time
1545 bo_add_32be( mvhd, get_timestamp() ); // modification time
1546 bo_add_32be( mvhd, i_movie_timescale); // timescale
1547 bo_add_32be( mvhd, i_movie_duration ); // duration
1551 mvhd = box_full_new( "mvhd", 1, 0 );
1552 bo_add_64be( mvhd, get_timestamp() ); // creation time
1553 bo_add_64be( mvhd, get_timestamp() ); // modification time
1554 bo_add_32be( mvhd, i_movie_timescale); // timescale
1555 bo_add_64be( mvhd, i_movie_duration ); // duration
1557 bo_add_32be( mvhd, 0x10000 ); // rate
1558 bo_add_16be( mvhd, 0x100 ); // volume
1559 bo_add_16be( mvhd, 0 ); // reserved
1560 for( i = 0; i < 2; i++ )
1562 bo_add_32be( mvhd, 0 ); // reserved
1564 for( i = 0; i < 9; i++ )
1566 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1568 for( i = 0; i < 6; i++ )
1570 bo_add_32be( mvhd, 0 ); // pre-defined
1573 /* Next available track id */
1574 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1577 box_gather( moov, mvhd );
1579 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1581 mp4_stream_t *p_stream;
1582 uint32_t i_timescale;
1584 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1585 bo_t *minf, *dinf, *dref, *url, *stbl;
1587 p_stream = p_sys->pp_streams[i_trak];
1589 if( p_stream->fmt.i_cat == AUDIO_ES )
1590 i_timescale = p_stream->fmt.audio.i_rate;
1594 /* *** add /moov/trak *** */
1595 trak = box_new( "trak" );
1597 /* *** add /moov/trak/tkhd *** */
1598 if( !p_sys->b_64_ext )
1601 tkhd = box_full_new( "tkhd", 0, 0x0f );
1603 tkhd = box_full_new( "tkhd", 0, 1 );
1605 bo_add_32be( tkhd, get_timestamp() ); // creation time
1606 bo_add_32be( tkhd, get_timestamp() ); // modification time
1607 bo_add_32be( tkhd, p_stream->i_track_id );
1608 bo_add_32be( tkhd, 0 ); // reserved 0
1609 bo_add_32be( tkhd, p_stream->i_duration *
1610 (int64_t)i_movie_timescale /
1611 (mtime_t)1000000 ); // duration
1616 tkhd = box_full_new( "tkhd", 1, 0x0f );
1618 tkhd = box_full_new( "tkhd", 1, 1 );
1620 bo_add_64be( tkhd, get_timestamp() ); // creation time
1621 bo_add_64be( tkhd, get_timestamp() ); // modification time
1622 bo_add_32be( tkhd, p_stream->i_track_id );
1623 bo_add_32be( tkhd, 0 ); // reserved 0
1624 bo_add_64be( tkhd, p_stream->i_duration *
1625 (int64_t)i_movie_timescale /
1626 (mtime_t)1000000 ); // duration
1629 for( i = 0; i < 2; i++ )
1631 bo_add_32be( tkhd, 0 ); // reserved
1633 bo_add_16be( tkhd, 0 ); // layer
1634 bo_add_16be( tkhd, 0 ); // pre-defined
1636 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1637 bo_add_16be( tkhd, 0 ); // reserved
1638 for( i = 0; i < 9; i++ )
1640 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1642 if( p_stream->fmt.i_cat == AUDIO_ES )
1644 bo_add_32be( tkhd, 0 ); // width (presentation)
1645 bo_add_32be( tkhd, 0 ); // height(presentation)
1647 else if( p_stream->fmt.i_cat == VIDEO_ES )
1649 int i_width = p_stream->fmt.video.i_width << 16;
1650 if( p_stream->fmt.video.i_aspect > 0 )
1652 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1653 ((int64_t)p_stream->fmt.video.i_height << 16) /
1656 // width (presentation)
1657 bo_add_32be( tkhd, i_width );
1658 // height(presentation)
1659 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1663 int i_width = 320 << 16;
1666 for( i = 0; i < p_sys->i_nb_streams; i++ )
1668 mp4_stream_t *tk = p_sys->pp_streams[i];
1669 if( tk->fmt.i_cat == VIDEO_ES )
1671 if( p_stream->fmt.video.i_aspect )
1672 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1673 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1675 i_width = p_stream->fmt.video.i_width << 16;
1676 i_height = p_stream->fmt.video.i_height;
1680 bo_add_32be( tkhd, i_width ); // width (presentation)
1681 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1685 box_gather( trak, tkhd );
1687 /* *** add /moov/trak/edts and elst */
1688 edts = box_new( "edts" );
1689 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1690 if( p_stream->i_dts_start > p_sys->i_dts_start )
1692 bo_add_32be( elst, 2 );
1694 if( p_sys->b_64_ext )
1696 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1697 i_movie_timescale / I64C(1000000) );
1698 bo_add_64be( elst, -1 );
1702 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1703 i_movie_timescale / I64C(1000000) );
1704 bo_add_32be( elst, -1 );
1706 bo_add_16be( elst, 1 );
1707 bo_add_16be( elst, 0 );
1711 bo_add_32be( elst, 1 );
1713 if( p_sys->b_64_ext )
1715 bo_add_64be( elst, p_stream->i_duration *
1716 i_movie_timescale / I64C(1000000) );
1717 bo_add_64be( elst, 0 );
1721 bo_add_32be( elst, p_stream->i_duration *
1722 i_movie_timescale / I64C(1000000) );
1723 bo_add_32be( elst, 0 );
1725 bo_add_16be( elst, 1 );
1726 bo_add_16be( elst, 0 );
1729 box_gather( edts, elst );
1731 box_gather( trak, edts );
1733 /* *** add /moov/trak/mdia *** */
1734 mdia = box_new( "mdia" );
1737 if( !p_sys->b_64_ext )
1739 mdhd = box_full_new( "mdhd", 0, 0 );
1740 bo_add_32be( mdhd, get_timestamp() ); // creation time
1741 bo_add_32be( mdhd, get_timestamp() ); // modification time
1742 bo_add_32be( mdhd, i_timescale); // timescale
1743 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1744 (mtime_t)1000000 ); // duration
1748 mdhd = box_full_new( "mdhd", 1, 0 );
1749 bo_add_64be( mdhd, get_timestamp() ); // creation time
1750 bo_add_64be( mdhd, get_timestamp() ); // modification time
1751 bo_add_32be( mdhd, i_timescale); // timescale
1752 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1753 (mtime_t)1000000 ); // duration
1756 if( p_stream->fmt.psz_language )
1758 char *psz = p_stream->fmt.psz_language;
1759 const iso639_lang_t *pl = NULL;
1760 uint16_t lang = 0x0;
1762 if( strlen( psz ) == 2 )
1764 pl = GetLang_1( psz );
1766 else if( strlen( psz ) == 3 )
1768 pl = GetLang_2B( psz );
1769 if( !strcmp( pl->psz_iso639_1, "??" ) )
1771 pl = GetLang_2T( psz );
1774 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1776 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1777 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1778 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1780 bo_add_16be( mdhd, lang ); // language
1784 bo_add_16be( mdhd, 0 ); // language
1786 bo_add_16be( mdhd, 0 ); // predefined
1788 box_gather( mdia, mdhd );
1790 /* handler reference */
1791 hdlr = box_full_new( "hdlr", 0, 0 );
1794 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1796 bo_add_32be( hdlr, 0 );
1798 if( p_stream->fmt.i_cat == AUDIO_ES )
1799 bo_add_fourcc( hdlr, "soun" );
1800 else if( p_stream->fmt.i_cat == VIDEO_ES )
1801 bo_add_fourcc( hdlr, "vide" );
1802 else if( p_stream->fmt.i_cat == SPU_ES )
1803 bo_add_fourcc( hdlr, "text" );
1805 bo_add_32be( hdlr, 0 ); // reserved
1806 bo_add_32be( hdlr, 0 ); // reserved
1807 bo_add_32be( hdlr, 0 ); // reserved
1810 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1812 if( p_stream->fmt.i_cat == AUDIO_ES )
1813 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1814 else if( p_stream->fmt.i_cat == VIDEO_ES )
1815 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1817 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1820 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1823 box_gather( mdia, hdlr );
1826 minf = box_new( "minf" );
1829 if( p_stream->fmt.i_cat == AUDIO_ES )
1833 smhd = box_full_new( "smhd", 0, 0 );
1834 bo_add_16be( smhd, 0 ); // balance
1835 bo_add_16be( smhd, 0 ); // reserved
1838 box_gather( minf, smhd );
1840 else if( p_stream->fmt.i_cat == VIDEO_ES )
1844 vmhd = box_full_new( "vmhd", 0, 1 );
1845 bo_add_16be( vmhd, 0 ); // graphicsmode
1846 for( i = 0; i < 3; i++ )
1848 bo_add_16be( vmhd, 0 ); // opcolor
1852 box_gather( minf, vmhd );
1854 else if( p_stream->fmt.i_cat == SPU_ES )
1856 bo_t *gmhd = box_new( "gmhd" );
1857 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1859 bo_add_16be( gmin, 0 ); // graphicsmode
1860 for( i = 0; i < 3; i++ )
1862 bo_add_16be( gmin, 0 ); // opcolor
1864 bo_add_16be( gmin, 0 ); // balance
1865 bo_add_16be( gmin, 0 ); // reserved
1868 box_gather( gmhd, gmin );
1871 box_gather( minf, gmhd );
1875 dinf = box_new( "dinf" );
1876 dref = box_full_new( "dref", 0, 0 );
1877 bo_add_32be( dref, 1 );
1878 url = box_full_new( "url ", 0, 0x01 );
1880 box_gather( dref, url );
1882 box_gather( dinf, dref );
1884 /* append dinf to mdia */
1886 box_gather( minf, dinf );
1889 stbl = GetStblBox( p_mux, p_stream );
1891 /* append stbl to minf */
1892 p_stream->i_stco_pos += minf->i_buffer;
1893 box_gather( minf, stbl );
1895 /* append minf to mdia */
1897 p_stream->i_stco_pos += mdia->i_buffer;
1898 box_gather( mdia, minf );
1900 /* append mdia to trak */
1902 p_stream->i_stco_pos += trak->i_buffer;
1903 box_gather( trak, mdia );
1905 /* append trak to moov */
1907 p_stream->i_stco_pos += moov->i_buffer;
1908 box_gather( moov, trak );
1911 /* Add user data tags */
1912 box_gather( moov, GetUdtaTag( p_mux ) );
1918 /****************************************************************************/
1920 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1925 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1926 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1930 p_bo->i_buffer_size = i_size;
1931 p_bo->p_buffer = p_buffer;
1934 p_bo->b_grow = b_grow;
1938 static void bo_add_8( bo_t *p_bo, uint8_t i )
1940 if( p_bo->i_buffer < p_bo->i_buffer_size )
1942 p_bo->p_buffer[p_bo->i_buffer] = i;
1944 else if( p_bo->b_grow )
1946 p_bo->i_buffer_size += 1024;
1947 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1949 p_bo->p_buffer[p_bo->i_buffer] = i;
1955 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1957 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1958 bo_add_8( p_bo, i &0xff );
1961 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1963 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1964 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1965 bo_add_8( p_bo, ( i &0xff ) );
1967 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1969 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1970 bo_add_16be( p_bo, i &0xffff );
1973 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1975 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1976 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1977 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1978 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1981 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1983 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1984 bo_add_32be( p_bo, i &0xffffffff );
1987 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1989 bo_add_8( p_bo, fcc[0] );
1990 bo_add_8( p_bo, fcc[1] );
1991 bo_add_8( p_bo, fcc[2] );
1992 bo_add_8( p_bo, fcc[3] );
1995 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
1999 for( i = 0; i < i_size; i++ )
2001 bo_add_8( p_bo, p_mem[i] );
2005 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2011 vals[3] = (unsigned char)(i_length & 0x7f);
2013 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2015 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2017 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2019 bo_add_8( p_bo, tag );
2021 if( i_size < 0x00000080 )
2023 bo_add_8( p_bo, vals[3] );
2025 else if( i_size < 0x00004000 )
2027 bo_add_8( p_bo, vals[2] );
2028 bo_add_8( p_bo, vals[3] );
2030 else if( i_size < 0x00200000 )
2032 bo_add_8( p_bo, vals[1] );
2033 bo_add_8( p_bo, vals[2] );
2034 bo_add_8( p_bo, vals[3] );
2036 else if( i_size < 0x10000000 )
2038 bo_add_8( p_bo, vals[0] );
2039 bo_add_8( p_bo, vals[1] );
2040 bo_add_8( p_bo, vals[2] );
2041 bo_add_8( p_bo, vals[3] );
2045 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2049 for( i = 0; i < p_bo2->i_buffer; i++ )
2051 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2055 static bo_t * box_new( char *fcc )
2059 if( ( box = malloc( sizeof( bo_t ) ) ) )
2061 bo_init( box, 0, NULL, VLC_TRUE );
2063 bo_add_32be ( box, 0 );
2064 bo_add_fourcc( box, fcc );
2070 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2074 if( ( box = malloc( sizeof( bo_t ) ) ) )
2076 bo_init( box, 0, NULL, VLC_TRUE );
2078 bo_add_32be ( box, 0 );
2079 bo_add_fourcc( box, fcc );
2080 bo_add_8 ( box, v );
2081 bo_add_24be ( box, f );
2087 static void box_fix( bo_t *box )
2091 memcpy( &box_tmp, box, sizeof( bo_t ) );
2093 box_tmp.i_buffer = 0;
2094 bo_add_32be( &box_tmp, box->i_buffer );
2097 static void box_free( bo_t *box )
2101 free( box->p_buffer );
2107 static void box_gather ( bo_t *box, bo_t *box2 )
2109 bo_add_bo( box, box2 );
2113 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2117 p_buf = block_New( p_sout, box->i_buffer );
2118 if( box->i_buffer > 0 )
2120 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2126 static void box_send( sout_mux_t *p_mux, bo_t *box )
2130 p_buf = bo_to_sout( p_mux->p_sout, box );
2133 sout_AccessOutWrite( p_mux->p_access, p_buf );
2136 static int64_t get_timestamp()
2138 int64_t i_timestamp = 0;
2141 i_timestamp = time(NULL);
2142 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2143 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60