1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003, 2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin at videolan dot org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_block.h>
34 #include <vlc_codecs.h>
43 /*****************************************************************************
45 *****************************************************************************/
46 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
47 #define FASTSTART_LONGTEXT N_( \
48 "Create \"Fast Start\" files. " \
49 "\"Fast Start\" files are optimized for downloads and allow the user " \
50 "to start previewing the file while it is downloading.")
52 static int Open ( vlc_object_t * );
53 static void Close ( vlc_object_t * );
55 #define SOUT_CFG_PREFIX "sout-mp4-"
58 set_description( _("MP4/MOV muxer") );
59 set_category( CAT_SOUT );
60 set_subcategory( SUBCAT_SOUT_MUX );
61 set_shortname( "MP4" );
63 add_bool( SOUT_CFG_PREFIX "faststart", 1, NULL,
64 FASTSTART_TEXT, FASTSTART_LONGTEXT,
66 set_capability( "sout mux", 5 );
67 add_shortcut( "mp4" );
68 add_shortcut( "mov" );
69 add_shortcut( "3gp" );
70 set_callbacks( Open, Close );
73 /*****************************************************************************
75 *****************************************************************************/
76 static const char *ppsz_sout_options[] = {
80 static int Control( sout_mux_t *, int, va_list );
81 static int AddStream( sout_mux_t *, sout_input_t * );
82 static int DelStream( sout_mux_t *, sout_input_t * );
83 static int Mux ( sout_mux_t * );
85 /*****************************************************************************
87 *****************************************************************************/
105 unsigned int i_entry_count;
106 unsigned int i_entry_max;
108 int64_t i_length_neg;
114 /* for later stco fix-up (fast start files) */
123 struct sout_mux_sys_t
128 vlc_bool_t b_fast_start;
136 mp4_stream_t **pp_streams;
149 static void bo_init ( bo_t *, int , uint8_t *, vlc_bool_t );
150 static void bo_add_8 ( bo_t *, uint8_t );
151 static void bo_add_16be ( bo_t *, uint16_t );
152 static void bo_add_24be ( bo_t *, uint32_t );
153 static void bo_add_32be ( bo_t *, uint32_t );
154 static void bo_add_64be ( bo_t *, uint64_t );
155 static void bo_add_fourcc(bo_t *, char * );
156 static void bo_add_bo ( bo_t *, bo_t * );
157 static void bo_add_mem ( bo_t *, int , uint8_t * );
158 static void bo_add_descr( bo_t *, uint8_t , uint32_t );
160 static void bo_fix_32be ( bo_t *, int , uint32_t );
162 static bo_t *box_new ( char *fcc );
163 static bo_t *box_full_new( char *fcc, uint8_t v, uint32_t f );
164 static void box_fix ( bo_t *box );
165 static void box_free ( bo_t *box );
166 static void box_gather ( bo_t *box, bo_t *box2 );
168 static void box_send( sout_mux_t *p_mux, bo_t *box );
170 static block_t *bo_to_sout( sout_instance_t *p_sout, bo_t *box );
172 static bo_t *GetMoovBox( sout_mux_t *p_mux );
174 static block_t *ConvertSUBT( sout_mux_t *, mp4_stream_t *, block_t *);
175 static block_t *ConvertAVC1( sout_mux_t *, mp4_stream_t *, block_t * );
177 /*****************************************************************************
179 *****************************************************************************/
180 static int Open( vlc_object_t *p_this )
182 sout_mux_t *p_mux = (sout_mux_t*)p_this;
183 sout_mux_sys_t *p_sys;
186 msg_Dbg( p_mux, "Mp4 muxer opend" );
187 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
189 p_mux->pf_control = Control;
190 p_mux->pf_addstream = AddStream;
191 p_mux->pf_delstream = DelStream;
193 p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
195 p_sys->i_nb_streams = 0;
196 p_sys->pp_streams = NULL;
197 p_sys->i_mdat_pos = 0;
198 p_sys->b_mov = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "mov" );
199 p_sys->b_3gp = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "3gp" );
200 p_sys->i_dts_start = 0;
205 /* Now add ftyp header */
206 box = box_new( "ftyp" );
207 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
208 else bo_add_fourcc( box, "isom" );
209 bo_add_32be ( box, 0 );
210 if( p_sys->b_3gp ) bo_add_fourcc( box, "3gp4" );
211 else bo_add_fourcc( box, "mp41" );
214 p_sys->i_pos += box->i_buffer;
215 p_sys->i_mdat_pos = p_sys->i_pos;
217 box_send( p_mux, box );
221 * Quicktime actually doesn't like the 64 bits extensions !!! */
222 p_sys->b_64_ext = VLC_FALSE;
224 /* Now add mdat header */
225 box = box_new( "mdat" );
226 bo_add_64be ( box, 0 ); // enough to store an extended size
228 p_sys->i_pos += box->i_buffer;
230 box_send( p_mux, box );
235 /*****************************************************************************
237 *****************************************************************************/
238 static void Close( vlc_object_t * p_this )
240 sout_mux_t *p_mux = (sout_mux_t*)p_this;
241 sout_mux_sys_t *p_sys = p_mux->p_sys;
249 msg_Dbg( p_mux, "Close" );
251 /* Update mdat size */
252 bo_init( &bo, 0, NULL, VLC_TRUE );
253 if( p_sys->i_pos - p_sys->i_mdat_pos >= (((uint64_t)1)<<32) )
256 bo_add_32be ( &bo, 1 );
257 bo_add_fourcc( &bo, "mdat" );
258 bo_add_64be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos );
262 bo_add_32be ( &bo, 8 );
263 bo_add_fourcc( &bo, "wide" );
264 bo_add_32be ( &bo, p_sys->i_pos - p_sys->i_mdat_pos - 8 );
265 bo_add_fourcc( &bo, "mdat" );
267 p_hdr = bo_to_sout( p_mux->p_sout, &bo );
270 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos );
271 sout_AccessOutWrite( p_mux->p_access, p_hdr );
273 /* Create MOOV header */
274 i_moov_pos = p_sys->i_pos;
275 moov = GetMoovBox( p_mux );
277 /* Check we need to create "fast start" files */
278 var_Get( p_this, SOUT_CFG_PREFIX "faststart", &val );
279 p_sys->b_fast_start = val.b_bool;
280 while( p_sys->b_fast_start )
282 /* Move data to the end of the file so we can fit the moov header
285 int64_t i_chunk, i_size = p_sys->i_pos - p_sys->i_mdat_pos;
286 int i_moov_size = moov->i_buffer;
290 i_chunk = __MIN( 32768, i_size );
291 p_buf = block_New( p_mux, i_chunk );
292 sout_AccessOutSeek( p_mux->p_access,
293 p_sys->i_mdat_pos + i_size - i_chunk );
294 if( sout_AccessOutRead( p_mux->p_access, p_buf ) < i_chunk )
296 msg_Warn( p_this, "read() not supported by access output, "
297 "won't create a fast start file" );
298 p_sys->b_fast_start = VLC_FALSE;
299 block_Release( p_buf );
302 sout_AccessOutSeek( p_mux->p_access, p_sys->i_mdat_pos + i_size +
303 i_moov_size - i_chunk );
304 sout_AccessOutWrite( p_mux->p_access, p_buf );
308 if( !p_sys->b_fast_start ) break;
310 /* Fix-up samples to chunks table in MOOV header */
311 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
313 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
317 moov->i_buffer = p_stream->i_stco_pos;
318 for( i_chunk = 0, i = 0; i < p_stream->i_entry_count; i_chunk++ )
320 if( p_stream->b_stco64 )
321 bo_add_64be( moov, p_stream->entry[i].i_pos + i_moov_size);
323 bo_add_32be( moov, p_stream->entry[i].i_pos + i_moov_size);
325 while( i < p_stream->i_entry_count )
327 if( i + 1 < p_stream->i_entry_count &&
328 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
329 != p_stream->entry[i + 1].i_pos )
340 moov->i_buffer = i_moov_size;
341 i_moov_pos = p_sys->i_mdat_pos;
342 p_sys->b_fast_start = VLC_FALSE;
345 /* Write MOOV header */
346 sout_AccessOutSeek( p_mux->p_access, i_moov_pos );
347 box_send( p_mux, moov );
350 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
352 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
354 es_format_Clean( &p_stream->fmt );
355 free( p_stream->entry );
358 if( p_sys->i_nb_streams ) free( p_sys->pp_streams );
362 /*****************************************************************************
364 *****************************************************************************/
365 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
371 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
372 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
373 *pb_bool = VLC_FALSE;
376 case MUX_GET_ADD_STREAM_WAIT:
377 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
381 case MUX_GET_MIME: /* Not needed, as not streamable */
387 /*****************************************************************************
389 *****************************************************************************/
390 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
392 sout_mux_sys_t *p_sys = p_mux->p_sys;
393 mp4_stream_t *p_stream;
395 switch( p_input->p_fmt->i_codec )
397 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
398 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
399 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
400 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
401 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
402 case VLC_FOURCC( 'm', 'j', 'p', 'b' ):
403 case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
404 case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
405 case VLC_FOURCC( 'H', '2', '6', '3' ):
406 case VLC_FOURCC( 'h', '2', '6', '4' ):
407 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
408 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
410 case VLC_FOURCC( 's', 'u', 'b', 't' ):
411 msg_Warn( p_mux, "subtitle track added like in .mov (even when creating .mp4)" );
414 msg_Err( p_mux, "unsupported codec %4.4s in mp4",
415 (char*)&p_input->p_fmt->i_codec );
419 p_stream = malloc( sizeof( mp4_stream_t ) );
420 es_format_Copy( &p_stream->fmt, p_input->p_fmt );
421 p_stream->i_track_id = p_sys->i_nb_streams + 1;
422 p_stream->i_length_neg = 0;
423 p_stream->i_entry_count = 0;
424 p_stream->i_entry_max = 1000;
426 calloc( p_stream->i_entry_max, sizeof( mp4_entry_t ) );
427 p_stream->i_dts_start = 0;
428 p_stream->i_duration = 0;
430 p_input->p_sys = p_stream;
432 msg_Dbg( p_mux, "adding input" );
434 TAB_APPEND( p_sys->i_nb_streams, p_sys->pp_streams, p_stream );
438 /*****************************************************************************
440 *****************************************************************************/
441 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
443 msg_Dbg( p_mux, "removing input" );
447 static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
453 for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
455 block_fifo_t *p_fifo = p_mux->pp_inputs[i]->p_fifo;
458 if( p_fifo->i_depth <= 1 )
460 if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES )
462 return -1; // wait that all fifo have at least 2 packets
464 /* For SPU, we wait only 1 packet */
468 p_buf = block_FifoShow( p_fifo );
469 if( i_stream < 0 || p_buf->i_dts < i_dts )
471 i_dts = p_buf->i_dts;
477 *pi_stream = i_stream;
486 /*****************************************************************************
488 *****************************************************************************/
489 static int Mux( sout_mux_t *p_mux )
491 sout_mux_sys_t *p_sys = p_mux->p_sys;
495 sout_input_t *p_input;
497 mp4_stream_t *p_stream;
501 if( MuxGetStream( p_mux, &i_stream, &i_dts) < 0 )
503 return( VLC_SUCCESS );
506 p_input = p_mux->pp_inputs[i_stream];
507 p_stream = (mp4_stream_t*)p_input->p_sys;
510 p_data = block_FifoGet( p_input->p_fifo );
511 if( p_stream->fmt.i_codec == VLC_FOURCC( 'h', '2', '6', '4' ) )
513 p_data = ConvertAVC1( p_mux, p_stream, p_data );
515 else if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
517 p_data = ConvertSUBT( p_mux, p_stream, p_data );
519 if( p_data == NULL ) goto again;
521 if( p_stream->fmt.i_cat != SPU_ES )
523 /* Fix length of the sample */
524 if( p_input->p_fifo->i_depth > 0 )
526 block_t *p_next = block_FifoShow( p_input->p_fifo );
527 int64_t i_diff = p_next->i_dts - p_data->i_dts;
529 if( i_diff < I64C(1000000 ) ) /* protection */
531 p_data->i_length = i_diff;
534 if( p_data->i_length <= 0 )
536 msg_Warn( p_mux, "i_length <= 0" );
537 p_stream->i_length_neg += p_data->i_length - 1;
538 p_data->i_length = 1;
540 else if( p_stream->i_length_neg < 0 )
542 int64_t i_recover = __MIN( p_data->i_length / 4, - p_stream->i_length_neg );
544 p_data->i_length -= i_recover;
545 p_stream->i_length_neg += i_recover;
549 /* Save starting time */
550 if( p_stream->i_entry_count == 0 )
552 p_stream->i_dts_start = p_data->i_dts;
554 /* Update global dts_start */
555 if( p_sys->i_dts_start <= 0 ||
556 p_stream->i_dts_start < p_sys->i_dts_start )
558 p_sys->i_dts_start = p_stream->i_dts_start;
562 if( p_stream->fmt.i_cat == SPU_ES && p_stream->i_entry_count > 0 )
564 int64_t i_length = p_data->i_dts - p_stream->i_last_dts;
568 /* FIXME handle this broken case */
573 if( p_stream->entry[p_stream->i_entry_count-1].i_length <= 0 )
575 p_stream->entry[p_stream->i_entry_count-1].i_length = i_length;
580 /* add index entry */
581 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
582 p_stream->entry[p_stream->i_entry_count].i_size = p_data->i_buffer;
583 p_stream->entry[p_stream->i_entry_count].i_pts_dts=
584 __MAX( p_data->i_pts - p_data->i_dts, 0 );
585 p_stream->entry[p_stream->i_entry_count].i_length = p_data->i_length;
586 p_stream->entry[p_stream->i_entry_count].i_flags = p_data->i_flags;
588 p_stream->i_entry_count++;
589 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
590 if( p_stream->i_entry_count >= p_stream->i_entry_max - 1 )
592 p_stream->i_entry_max += 1000;
594 realloc( p_stream->entry,
595 p_stream->i_entry_max * sizeof( mp4_entry_t ) );
599 p_stream->i_duration += p_data->i_length;
600 p_sys->i_pos += p_data->i_buffer;
603 p_stream->i_last_dts = p_data->i_dts;
606 sout_AccessOutWrite( p_mux->p_access, p_data );
608 if( p_stream->fmt.i_cat == SPU_ES )
610 int64_t i_length = p_stream->entry[p_stream->i_entry_count-1].i_length;
615 msg_Dbg( p_mux, "writing an empty sub" ) ;
617 /* Append a idx entry */
618 p_stream->entry[p_stream->i_entry_count].i_pos = p_sys->i_pos;
619 p_stream->entry[p_stream->i_entry_count].i_size = 3;
620 p_stream->entry[p_stream->i_entry_count].i_pts_dts= 0;
621 p_stream->entry[p_stream->i_entry_count].i_length = 0;
622 p_stream->entry[p_stream->i_entry_count].i_flags = 0;
624 /* XXX: No need to grow the entry here */
625 p_stream->i_entry_count++;
628 p_stream->i_last_dts += i_length;
631 p_data = block_New( p_mux, 3 );
632 p_data->p_buffer[0] = 0;
633 p_data->p_buffer[1] = 1;
634 p_data->p_buffer[2] = ' ';
636 p_sys->i_pos += p_data->i_buffer;
638 sout_AccessOutWrite( p_mux->p_access, p_data );
642 p_stream->i_duration = p_stream->i_last_dts - p_stream->i_dts_start;
646 return( VLC_SUCCESS );
649 /*****************************************************************************
651 *****************************************************************************/
652 static block_t *ConvertSUBT( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
654 p_block = block_Realloc( p_block, 2, p_block->i_buffer );
656 /* No trailling '\0' */
657 if( p_block->i_buffer > 2 && p_block->p_buffer[p_block->i_buffer-1] == '\0' )
660 p_block->p_buffer[0] = ( (p_block->i_buffer - 2) >> 8 )&0xff;
661 p_block->p_buffer[1] = ( (p_block->i_buffer - 2) )&0xff;
666 static block_t *ConvertAVC1( sout_mux_t *p_mux, mp4_stream_t *tk, block_t *p_block )
668 uint8_t *last = p_block->p_buffer; /* Assume it starts with 0x00000001 */
669 uint8_t *dat = &p_block->p_buffer[4];
670 uint8_t *end = &p_block->p_buffer[p_block->i_buffer];
673 /* Replace the 4 bytes start code with 4 bytes size,
674 * FIXME are all startcodes 4 bytes ? (I don't think :( */
679 while( dat < end - 4 )
681 if( dat[0] == 0x00 && dat[1] == 0x00 &&
682 dat[2] == 0x00 && dat[3] == 0x01 )
694 i_size = dat - &last[4];
695 last[0] = ( i_size >> 24 )&0xff;
696 last[1] = ( i_size >> 16 )&0xff;
697 last[2] = ( i_size >> 8 )&0xff;
698 last[3] = ( i_size )&0xff;
700 /* Skip blocks with SPS/PPS */
701 if( (last[4]&0x1f) == 7 || (last[4]&0x1f) == 8 )
702 ; // FIXME Find a way to skip dat without frelling everything
710 static int GetDescrLength( int i_size )
712 if( i_size < 0x00000080 )
714 else if( i_size < 0x00004000 )
716 else if( i_size < 0x00200000 )
722 static bo_t *GetESDS( mp4_stream_t *p_stream )
726 int i_object_type_indication;
727 int i_decoder_specific_info_size;
729 int64_t i_bitrate_avg = 0;
730 int64_t i_bitrate_max = 0;
732 /* Compute avg/max bitrate */
733 for( i = 0; i < p_stream->i_entry_count; i++ )
735 i_bitrate_avg += p_stream->entry[i].i_size;
736 if( p_stream->entry[i].i_length > 0)
738 int64_t i_bitrate = I64C(8000000) * p_stream->entry[i].i_size / p_stream->entry[i].i_length;
739 if( i_bitrate > i_bitrate_max )
740 i_bitrate_max = i_bitrate;
744 if( p_stream->i_duration > 0 )
745 i_bitrate_avg = I64C(8000000) * i_bitrate_avg / p_stream->i_duration;
748 if( i_bitrate_max <= 1 )
749 i_bitrate_max = 0x7fffffff;
752 if( p_stream->fmt.i_extra > 0 )
754 i_decoder_specific_info_size =
755 GetDescrLength( p_stream->fmt.i_extra );
759 i_decoder_specific_info_size = 0;
762 esds = box_full_new( "esds", 0, 0 );
765 bo_add_descr( esds, 0x03, 3 +
766 GetDescrLength( 13 + i_decoder_specific_info_size ) +
767 GetDescrLength( 1 ) );
768 bo_add_16be( esds, p_stream->i_track_id );
769 bo_add_8 ( esds, 0x1f ); // flags=0|streamPriority=0x1f
771 /* DecoderConfigDescr */
772 bo_add_descr( esds, 0x04, 13 + i_decoder_specific_info_size );
774 switch( p_stream->fmt.i_codec )
776 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
777 i_object_type_indication = 0x20;
779 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
780 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
781 i_object_type_indication = 0x60;
783 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
784 /* FIXME for mpeg2-aac == 0x66->0x68 */
785 i_object_type_indication = 0x40;
787 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
788 i_object_type_indication =
789 p_stream->fmt.audio.i_rate < 32000 ? 0x69 : 0x6b;
792 i_object_type_indication = 0x00;
795 i_stream_type = p_stream->fmt.i_cat == VIDEO_ES ? 0x04 : 0x05;
797 bo_add_8 ( esds, i_object_type_indication );
798 bo_add_8 ( esds, ( i_stream_type << 2 ) | 1 );
799 bo_add_24be( esds, 1024 * 1024 ); // bufferSizeDB
800 bo_add_32be( esds, i_bitrate_max ); // maxBitrate
801 bo_add_32be( esds, i_bitrate_avg ); // avgBitrate
803 if( p_stream->fmt.i_extra > 0 )
807 /* DecoderSpecificInfo */
808 bo_add_descr( esds, 0x05, p_stream->fmt.i_extra );
810 for( i = 0; i < p_stream->fmt.i_extra; i++ )
812 bo_add_8( esds, ((uint8_t*)p_stream->fmt.p_extra)[i] );
816 /* SL_Descr mandatory */
817 bo_add_descr( esds, 0x06, 1 );
818 bo_add_8 ( esds, 0x02 ); // sl_predefined
825 static bo_t *GetWaveTag( mp4_stream_t *p_stream )
830 wave = box_new( "wave" );
832 box = box_new( "frma" );
833 bo_add_fourcc( box, "mp4a" );
835 box_gather( wave, box );
837 box = box_new( "mp4a" );
838 bo_add_32be( box, 0 );
840 box_gather( wave, box );
842 box = GetESDS( p_stream );
844 box_gather( wave, box );
846 box = box_new( "srcq" );
847 bo_add_32be( box, 0x40 );
849 box_gather( wave, box );
852 bo_add_32be( wave, 8 ); /* new empty box */
853 bo_add_32be( wave, 0 ); /* box label */
860 static bo_t *GetDamrTag( mp4_stream_t *p_stream )
864 damr = box_new( "damr" );
866 bo_add_fourcc( damr, "REFC" );
869 if( p_stream->fmt.i_codec == VLC_FOURCC( 's', 'a', 'm', 'r' ) )
870 bo_add_16be( damr, 0x81ff ); /* Mode set (all modes for AMR_NB) */
872 bo_add_16be( damr, 0x83ff ); /* Mode set (all modes for AMR_WB) */
873 bo_add_16be( damr, 0x1 ); /* Mode change period (no restriction) */
880 static bo_t *GetD263Tag( mp4_stream_t *p_stream )
884 d263 = box_new( "d263" );
886 bo_add_fourcc( d263, "VLC " );
887 bo_add_16be( d263, 0xa );
895 static bo_t *GetAvcCTag( mp4_stream_t *p_stream )
898 uint8_t *p_sps = NULL;
899 uint8_t *p_pps = NULL;
903 if( p_stream->fmt.i_extra > 0 )
905 /* FIXME: take into account multiple sps/pps */
906 uint8_t *p_buffer = p_stream->fmt.p_extra;
907 int i_buffer = p_stream->fmt.i_extra;
909 while( i_buffer > 4 &&
910 p_buffer[0] == 0 && p_buffer[1] == 0 &&
911 p_buffer[2] == 0 && p_buffer[3] == 1 )
913 const int i_nal_type = p_buffer[4]&0x1f;
918 //msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
920 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
922 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 &&
923 p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
925 /* we found another startcode */
926 i_startcode = i_offset;
930 i_size = i_startcode ? i_startcode : i_buffer;
931 if( i_nal_type == 7 )
933 p_sps = &p_buffer[4];
934 i_sps_size = i_size - 4;
936 if( i_nal_type == 8 )
938 p_pps = &p_buffer[4];
939 i_pps_size = i_size - 4;
946 /* FIXME use better value */
947 avcC = box_new( "avcC" );
948 bo_add_8( avcC, 1 ); /* configuration version */
949 bo_add_8( avcC, i_sps_size ? p_sps[1] : 77 );
950 bo_add_8( avcC, i_sps_size ? p_sps[2] : 64 );
951 bo_add_8( avcC, i_sps_size ? p_sps[3] : 30 ); /* level, 5.1 */
952 bo_add_8( avcC, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
954 bo_add_8( avcC, 0xe0 | (i_sps_size > 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
957 bo_add_16be( avcC, i_sps_size );
958 bo_add_mem( avcC, i_sps_size, p_sps );
961 bo_add_8( avcC, (i_pps_size > 0 ? 1 : 0) ); /* pps_count */
964 bo_add_16be( avcC, i_pps_size );
965 bo_add_mem( avcC, i_pps_size, p_pps );
972 /* TODO: No idea about these values */
973 static bo_t *GetSVQ3Tag( mp4_stream_t *p_stream )
975 bo_t *smi = box_new( "SMI " );
977 if( p_stream->fmt.i_extra > 0x4e )
979 uint8_t *p_end = &((uint8_t*)p_stream->fmt.p_extra)[p_stream->fmt.i_extra];
980 uint8_t *p = &((uint8_t*)p_stream->fmt.p_extra)[0x46];
982 while( p + 8 < p_end )
984 int i_size = GetDWBE( p );
987 /* FIXME handle 1 as long size */
990 if( !strncmp( (const char *)&p[4], "SMI ", 4 ) )
992 bo_add_mem( smi, p_end - p - 8, &p[8] );
999 /* Create a dummy one in fallback */
1000 bo_add_fourcc( smi, "SEQH" );
1001 bo_add_32be( smi, 0x5 );
1002 bo_add_32be( smi, 0xe2c0211d );
1003 bo_add_8( smi, 0xc0 );
1009 static bo_t *GetUdtaTag( sout_mux_t *p_mux )
1011 sout_mux_sys_t *p_sys = p_mux->p_sys;
1012 bo_t *udta = box_new( "udta" );
1013 vlc_meta_t *p_meta = p_mux->p_sout->p_meta;
1017 for( i_track = 0; i_track < p_sys->i_nb_streams; i_track++ )
1019 mp4_stream_t *p_stream = p_sys->pp_streams[i_track];
1021 if( p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','v') ||
1022 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1024 bo_t *box = box_new( "\251req" );
1026 bo_add_16be( box, sizeof("QuickTime 6.0 or greater") - 1);
1027 bo_add_16be( box, 0 );
1028 bo_add_mem( box, sizeof("QuickTime 6.0 or greater") - 1,
1029 (uint8_t *)"QuickTime 6.0 or greater" );
1031 box_gather( udta, box );
1038 bo_t *box = box_new( "\251enc" );
1040 bo_add_16be( box, sizeof(PACKAGE_STRING " stream output") - 1);
1041 bo_add_16be( box, 0 );
1042 bo_add_mem( box, sizeof(PACKAGE_STRING " stream output") - 1,
1043 (uint8_t*)PACKAGE_STRING " stream output" );
1045 box_gather( udta, box );
1051 #define ADD_META_BOX( type, box_string ) { \
1053 if( p_meta->psz_##type ) box = box_new( "\251" box_string ); \
1056 bo_add_16be( box, strlen( p_meta->psz_##type ) ); \
1057 bo_add_16be( box, 0 ); \
1058 bo_add_mem( box, strlen( p_meta->psz_##type ), \
1059 (uint8_t*)(p_meta->psz_##type ) ); \
1061 box_gather( udta, box ); \
1064 ADD_META_BOX( title, "nam" );
1065 ADD_META_BOX( artist, "ART" );
1066 ADD_META_BOX( genre, "gen" );
1067 ADD_META_BOX( copyright, "cpy" );
1068 ADD_META_BOX( description, "des" );
1069 ADD_META_BOX( date, "day" );
1070 ADD_META_BOX( url, "url" );
1078 static bo_t *GetSounBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1080 sout_mux_sys_t *p_sys = p_mux->p_sys;
1081 vlc_bool_t b_descr = VLC_FALSE;
1086 switch( p_stream->fmt.i_codec )
1088 case VLC_FOURCC('m','p','4','a'):
1089 memcpy( fcc, "mp4a", 4 );
1093 case VLC_FOURCC('s','a','m','r'):
1094 case VLC_FOURCC('s','a','w','b'):
1095 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1099 case VLC_FOURCC('m','p','g','a'):
1101 memcpy( fcc, ".mp3", 4 );
1104 memcpy( fcc, "mp4a", 4 );
1110 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1114 soun = box_new( fcc );
1115 for( i = 0; i < 6; i++ )
1117 bo_add_8( soun, 0 ); // reserved;
1119 bo_add_16be( soun, 1 ); // data-reference-index
1121 /* SoundDescription */
1123 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1125 bo_add_16be( soun, 1 ); // version 1;
1129 bo_add_16be( soun, 0 ); // version 0;
1131 bo_add_16be( soun, 0 ); // revision level (0)
1132 bo_add_32be( soun, 0 ); // vendor
1134 bo_add_16be( soun, p_stream->fmt.audio.i_channels );
1136 bo_add_16be( soun, p_stream->fmt.audio.i_bitspersample ?
1137 p_stream->fmt.audio.i_bitspersample : 16 );
1138 bo_add_16be( soun, -2 ); // compression id
1139 bo_add_16be( soun, 0 ); // packet size (0)
1140 bo_add_16be( soun, p_stream->fmt.audio.i_rate ); // sampleratehi
1141 bo_add_16be( soun, 0 ); // sampleratelo
1143 /* Extended data for SoundDescription V1 */
1145 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1147 /* samples per packet */
1148 bo_add_32be( soun, p_stream->fmt.audio.i_frame_length );
1149 bo_add_32be( soun, 1536 ); /* bytes per packet */
1150 bo_add_32be( soun, 2 ); /* bytes per frame */
1151 /* bytes per sample */
1152 bo_add_32be( soun, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1155 /* Add an ES Descriptor */
1161 p_stream->fmt.i_codec == VLC_FOURCC('m','p','4','a') )
1163 box = GetWaveTag( p_stream );
1165 else if( p_stream->fmt.i_codec == VLC_FOURCC('s','a','m','r') )
1167 box = GetDamrTag( p_stream );
1171 box = GetESDS( p_stream );
1174 box_gather( soun, box );
1182 static bo_t *GetVideBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1189 switch( p_stream->fmt.i_codec )
1191 case VLC_FOURCC('m','p','4','v'):
1192 case VLC_FOURCC('m','p','g','v'):
1193 memcpy( fcc, "mp4v", 4 );
1196 case VLC_FOURCC('M','J','P','G'):
1197 memcpy( fcc, "mjpa", 4 );
1200 case VLC_FOURCC('S','V','Q','1'):
1201 memcpy( fcc, "SVQ1", 4 );
1204 case VLC_FOURCC('S','V','Q','3'):
1205 memcpy( fcc, "SVQ3", 4 );
1208 case VLC_FOURCC('H','2','6','3'):
1209 memcpy( fcc, "s263", 4 );
1212 case VLC_FOURCC('h','2','6','4'):
1213 memcpy( fcc, "avc1", 4 );
1217 memcpy( fcc, (char*)&p_stream->fmt.i_codec, 4 );
1221 vide = box_new( fcc );
1222 for( i = 0; i < 6; i++ )
1224 bo_add_8( vide, 0 ); // reserved;
1226 bo_add_16be( vide, 1 ); // data-reference-index
1228 bo_add_16be( vide, 0 ); // predefined;
1229 bo_add_16be( vide, 0 ); // reserved;
1230 for( i = 0; i < 3; i++ )
1232 bo_add_32be( vide, 0 ); // predefined;
1235 bo_add_16be( vide, p_stream->fmt.video.i_width ); // i_width
1236 bo_add_16be( vide, p_stream->fmt.video.i_height ); // i_height
1238 bo_add_32be( vide, 0x00480000 ); // h 72dpi
1239 bo_add_32be( vide, 0x00480000 ); // v 72dpi
1241 bo_add_32be( vide, 0 ); // data size, always 0
1242 bo_add_16be( vide, 1 ); // frames count per sample
1245 for( i = 0; i < 32; i++ )
1247 bo_add_8( vide, 0 );
1250 bo_add_16be( vide, 0x18 ); // depth
1251 bo_add_16be( vide, 0xffff ); // predefined
1253 /* add an ES Descriptor */
1254 switch( p_stream->fmt.i_codec )
1256 case VLC_FOURCC('m','p','4','v'):
1257 case VLC_FOURCC('m','p','g','v'):
1259 bo_t *esds = GetESDS( p_stream );
1262 box_gather( vide, esds );
1266 case VLC_FOURCC('H','2','6','3'):
1268 bo_t *d263 = GetD263Tag( p_stream );
1271 box_gather( vide, d263 );
1275 case VLC_FOURCC('S','V','Q','3'):
1277 bo_t *esds = GetSVQ3Tag( p_stream );
1280 box_gather( vide, esds );
1284 case VLC_FOURCC('h','2','6','4'):
1285 box_gather( vide, GetAvcCTag( p_stream ) );
1297 static bo_t *GetTextBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1300 bo_t *text = box_new( "text" );
1303 for( i = 0; i < 6; i++ )
1305 bo_add_8( text, 0 ); // reserved;
1307 bo_add_16be( text, 1 ); // data-reference-index
1309 bo_add_32be( text, 0 ); // display flags
1310 bo_add_32be( text, 0 ); // justification
1311 for( i = 0; i < 3; i++ )
1313 bo_add_16be( text, 0 ); // back ground color
1316 bo_add_16be( text, 0 ); // box text
1317 bo_add_16be( text, 0 ); // box text
1318 bo_add_16be( text, 0 ); // box text
1319 bo_add_16be( text, 0 ); // box text
1321 bo_add_64be( text, 0 ); // reserved
1322 for( i = 0; i < 3; i++ )
1324 bo_add_16be( text, 0xff ); // foreground color
1327 bo_add_8 ( text, 9 );
1328 bo_add_mem( text, 9, (uint8_t*)"Helvetica" );
1335 static bo_t *GetStblBox( sout_mux_t *p_mux, mp4_stream_t *p_stream )
1337 sout_mux_sys_t *p_sys = p_mux->p_sys;
1338 unsigned int i_chunk, i_stsc_last_val, i_stsc_entries, i, i_index;
1339 bo_t *stbl, *stsd, *stts, *stco, *stsc, *stsz, *stss;
1340 uint32_t i_timescale;
1341 int64_t i_dts, i_dts_q;
1343 stbl = box_new( "stbl" );
1345 /* sample description */
1346 stsd = box_full_new( "stsd", 0, 0 );
1347 bo_add_32be( stsd, 1 );
1348 if( p_stream->fmt.i_cat == AUDIO_ES )
1350 bo_t *soun = GetSounBox( p_mux, p_stream );
1351 box_gather( stsd, soun );
1353 else if( p_stream->fmt.i_cat == VIDEO_ES )
1355 bo_t *vide = GetVideBox( p_mux, p_stream );
1356 box_gather( stsd, vide );
1358 else if( p_stream->fmt.i_cat == SPU_ES )
1360 box_gather( stsd, GetTextBox( p_mux, p_stream ) );
1364 /* chunk offset table */
1365 if( p_sys->i_pos >= (((uint64_t)0x1) << 32) )
1367 /* 64 bits version */
1368 p_stream->b_stco64 = VLC_TRUE;
1369 stco = box_full_new( "co64", 0, 0 );
1373 /* 32 bits version */
1374 p_stream->b_stco64 = VLC_FALSE;
1375 stco = box_full_new( "stco", 0, 0 );
1377 bo_add_32be( stco, 0 ); // entry-count (fixed latter)
1379 /* sample to chunk table */
1380 stsc = box_full_new( "stsc", 0, 0 );
1381 bo_add_32be( stsc, 0 ); // entry-count (fixed latter)
1383 for( i_chunk = 0, i_stsc_last_val = 0, i_stsc_entries = 0, i = 0;
1384 i < p_stream->i_entry_count; i_chunk++ )
1388 if( p_stream->b_stco64 )
1389 bo_add_64be( stco, p_stream->entry[i].i_pos );
1391 bo_add_32be( stco, p_stream->entry[i].i_pos );
1393 while( i < p_stream->i_entry_count )
1395 if( i + 1 < p_stream->i_entry_count &&
1396 p_stream->entry[i].i_pos + p_stream->entry[i].i_size
1397 != p_stream->entry[i + 1].i_pos )
1406 /* Add entry to the stsc table */
1407 if( i_stsc_last_val != i - i_first )
1409 bo_add_32be( stsc, 1 + i_chunk ); // first-chunk
1410 bo_add_32be( stsc, i - i_first ) ; // samples-per-chunk
1411 bo_add_32be( stsc, 1 ); // sample-descr-index
1412 i_stsc_last_val = i - i_first;
1417 /* Fix stco entry count */
1418 bo_fix_32be( stco, 12, i_chunk );
1419 msg_Dbg( p_mux, "created %d chunks (stco)", i_chunk );
1422 /* Fix stsc entry count */
1423 bo_fix_32be( stsc, 12, i_stsc_entries );
1427 stts = box_full_new( "stts", 0, 0 );
1428 bo_add_32be( stts, 0 ); // entry-count (fixed latter)
1430 if( p_stream->fmt.i_cat == AUDIO_ES )
1431 i_timescale = p_stream->fmt.audio.i_rate;
1435 /* first, create quantified length */
1436 for( i = 0, i_dts = 0, i_dts_q = 0; i < p_stream->i_entry_count; i++ )
1438 int64_t i_dts_deq = i_dts_q * I64C(1000000) / (int64_t)i_timescale;
1439 int64_t i_delta = p_stream->entry[i].i_length + i_dts - i_dts_deq;
1441 i_dts += p_stream->entry[i].i_length;
1443 p_stream->entry[i].i_length =
1444 i_delta * (int64_t)i_timescale / I64C(1000000);
1446 i_dts_q += p_stream->entry[i].i_length;
1448 /* then write encoded table */
1449 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i_index++)
1452 int64_t i_delta = p_stream->entry[i].i_length;
1454 while( i < p_stream->i_entry_count )
1457 if( i >= p_stream->i_entry_count ||
1458 p_stream->entry[i].i_length != i_delta )
1464 bo_add_32be( stts, i - i_first ); // sample-count
1465 bo_add_32be( stts, i_delta ); // sample-delta
1467 bo_fix_32be( stts, 12, i_index );
1470 /* FIXME add ctts ?? FIXME */
1472 stsz = box_full_new( "stsz", 0, 0 );
1473 bo_add_32be( stsz, 0 ); // sample-size
1474 bo_add_32be( stsz, p_stream->i_entry_count ); // sample-count
1475 for( i = 0; i < p_stream->i_entry_count; i++ )
1477 bo_add_32be( stsz, p_stream->entry[i].i_size ); // sample-size
1481 /* create stss table */
1483 for( i = 0, i_index = 0; i < p_stream->i_entry_count; i++ )
1485 if( p_stream->entry[i].i_flags & BLOCK_FLAG_TYPE_I )
1489 stss = box_full_new( "stss", 0, 0 );
1490 bo_add_32be( stss, 0 ); /* fixed later */
1492 bo_add_32be( stss, 1 + i );
1498 bo_fix_32be( stss, 12, i_index );
1502 /* Now gather all boxes into stbl */
1503 box_gather( stbl, stsd );
1504 box_gather( stbl, stts );
1507 box_gather( stbl, stss );
1509 box_gather( stbl, stsc );
1510 box_gather( stbl, stsz );
1511 p_stream->i_stco_pos = stbl->i_buffer + 16;
1512 box_gather( stbl, stco );
1520 static int64_t get_timestamp();
1522 static uint32_t mvhd_matrix[9] =
1523 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1525 static bo_t *GetMoovBox( sout_mux_t *p_mux )
1527 sout_mux_sys_t *p_sys = p_mux->p_sys;
1532 uint32_t i_movie_timescale = 90000;
1533 int64_t i_movie_duration = 0;
1535 moov = box_new( "moov" );
1537 /* Create general info */
1538 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1540 mp4_stream_t *p_stream = p_sys->pp_streams[i_trak];
1541 i_movie_duration = __MAX( i_movie_duration, p_stream->i_duration );
1543 msg_Dbg( p_mux, "movie duration %ds",
1544 (uint32_t)( i_movie_duration / (mtime_t)1000000 ) );
1546 i_movie_duration = i_movie_duration * i_movie_timescale / 1000000;
1548 /* *** add /moov/mvhd *** */
1549 if( !p_sys->b_64_ext )
1551 mvhd = box_full_new( "mvhd", 0, 0 );
1552 bo_add_32be( mvhd, get_timestamp() ); // creation time
1553 bo_add_32be( mvhd, get_timestamp() ); // modification time
1554 bo_add_32be( mvhd, i_movie_timescale); // timescale
1555 bo_add_32be( mvhd, i_movie_duration ); // duration
1559 mvhd = box_full_new( "mvhd", 1, 0 );
1560 bo_add_64be( mvhd, get_timestamp() ); // creation time
1561 bo_add_64be( mvhd, get_timestamp() ); // modification time
1562 bo_add_32be( mvhd, i_movie_timescale); // timescale
1563 bo_add_64be( mvhd, i_movie_duration ); // duration
1565 bo_add_32be( mvhd, 0x10000 ); // rate
1566 bo_add_16be( mvhd, 0x100 ); // volume
1567 bo_add_16be( mvhd, 0 ); // reserved
1568 for( i = 0; i < 2; i++ )
1570 bo_add_32be( mvhd, 0 ); // reserved
1572 for( i = 0; i < 9; i++ )
1574 bo_add_32be( mvhd, mvhd_matrix[i] );// matrix
1576 for( i = 0; i < 6; i++ )
1578 bo_add_32be( mvhd, 0 ); // pre-defined
1581 /* Next available track id */
1582 bo_add_32be( mvhd, p_sys->i_nb_streams + 1 ); // next-track-id
1585 box_gather( moov, mvhd );
1587 for( i_trak = 0; i_trak < p_sys->i_nb_streams; i_trak++ )
1589 mp4_stream_t *p_stream;
1590 uint32_t i_timescale;
1592 bo_t *trak, *tkhd, *edts, *elst, *mdia, *mdhd, *hdlr;
1593 bo_t *minf, *dinf, *dref, *url, *stbl;
1595 p_stream = p_sys->pp_streams[i_trak];
1597 if( p_stream->fmt.i_cat == AUDIO_ES )
1598 i_timescale = p_stream->fmt.audio.i_rate;
1602 /* *** add /moov/trak *** */
1603 trak = box_new( "trak" );
1605 /* *** add /moov/trak/tkhd *** */
1606 if( !p_sys->b_64_ext )
1609 tkhd = box_full_new( "tkhd", 0, 0x0f );
1611 tkhd = box_full_new( "tkhd", 0, 1 );
1613 bo_add_32be( tkhd, get_timestamp() ); // creation time
1614 bo_add_32be( tkhd, get_timestamp() ); // modification time
1615 bo_add_32be( tkhd, p_stream->i_track_id );
1616 bo_add_32be( tkhd, 0 ); // reserved 0
1617 bo_add_32be( tkhd, p_stream->i_duration *
1618 (int64_t)i_movie_timescale /
1619 (mtime_t)1000000 ); // duration
1624 tkhd = box_full_new( "tkhd", 1, 0x0f );
1626 tkhd = box_full_new( "tkhd", 1, 1 );
1628 bo_add_64be( tkhd, get_timestamp() ); // creation time
1629 bo_add_64be( tkhd, get_timestamp() ); // modification time
1630 bo_add_32be( tkhd, p_stream->i_track_id );
1631 bo_add_32be( tkhd, 0 ); // reserved 0
1632 bo_add_64be( tkhd, p_stream->i_duration *
1633 (int64_t)i_movie_timescale /
1634 (mtime_t)1000000 ); // duration
1637 for( i = 0; i < 2; i++ )
1639 bo_add_32be( tkhd, 0 ); // reserved
1641 bo_add_16be( tkhd, 0 ); // layer
1642 bo_add_16be( tkhd, 0 ); // pre-defined
1644 bo_add_16be( tkhd, p_stream->fmt.i_cat == AUDIO_ES ? 0x100 : 0 );
1645 bo_add_16be( tkhd, 0 ); // reserved
1646 for( i = 0; i < 9; i++ )
1648 bo_add_32be( tkhd, mvhd_matrix[i] ); // matrix
1650 if( p_stream->fmt.i_cat == AUDIO_ES )
1652 bo_add_32be( tkhd, 0 ); // width (presentation)
1653 bo_add_32be( tkhd, 0 ); // height(presentation)
1655 else if( p_stream->fmt.i_cat == VIDEO_ES )
1657 int i_width = p_stream->fmt.video.i_width << 16;
1658 if( p_stream->fmt.video.i_aspect > 0 )
1660 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1661 ((int64_t)p_stream->fmt.video.i_height << 16) /
1664 // width (presentation)
1665 bo_add_32be( tkhd, i_width );
1666 // height(presentation)
1667 bo_add_32be( tkhd, p_stream->fmt.video.i_height << 16 );
1671 int i_width = 320 << 16;
1674 for( i = 0; i < p_sys->i_nb_streams; i++ )
1676 mp4_stream_t *tk = p_sys->pp_streams[i];
1677 if( tk->fmt.i_cat == VIDEO_ES )
1679 if( p_stream->fmt.video.i_aspect )
1680 i_width = (int64_t)p_stream->fmt.video.i_aspect *
1681 ((int64_t)p_stream->fmt.video.i_height<<16) / VOUT_ASPECT_FACTOR;
1683 i_width = p_stream->fmt.video.i_width << 16;
1684 i_height = p_stream->fmt.video.i_height;
1688 bo_add_32be( tkhd, i_width ); // width (presentation)
1689 bo_add_32be( tkhd, i_height << 16 ); // height(presentation)
1693 box_gather( trak, tkhd );
1695 /* *** add /moov/trak/edts and elst */
1696 edts = box_new( "edts" );
1697 elst = box_full_new( "elst", p_sys->b_64_ext ? 1 : 0, 0 );
1698 if( p_stream->i_dts_start > p_sys->i_dts_start )
1700 bo_add_32be( elst, 2 );
1702 if( p_sys->b_64_ext )
1704 bo_add_64be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1705 i_movie_timescale / I64C(1000000) );
1706 bo_add_64be( elst, -1 );
1710 bo_add_32be( elst, (p_stream->i_dts_start-p_sys->i_dts_start) *
1711 i_movie_timescale / I64C(1000000) );
1712 bo_add_32be( elst, -1 );
1714 bo_add_16be( elst, 1 );
1715 bo_add_16be( elst, 0 );
1719 bo_add_32be( elst, 1 );
1721 if( p_sys->b_64_ext )
1723 bo_add_64be( elst, p_stream->i_duration *
1724 i_movie_timescale / I64C(1000000) );
1725 bo_add_64be( elst, 0 );
1729 bo_add_32be( elst, p_stream->i_duration *
1730 i_movie_timescale / I64C(1000000) );
1731 bo_add_32be( elst, 0 );
1733 bo_add_16be( elst, 1 );
1734 bo_add_16be( elst, 0 );
1737 box_gather( edts, elst );
1739 box_gather( trak, edts );
1741 /* *** add /moov/trak/mdia *** */
1742 mdia = box_new( "mdia" );
1745 if( !p_sys->b_64_ext )
1747 mdhd = box_full_new( "mdhd", 0, 0 );
1748 bo_add_32be( mdhd, get_timestamp() ); // creation time
1749 bo_add_32be( mdhd, get_timestamp() ); // modification time
1750 bo_add_32be( mdhd, i_timescale); // timescale
1751 bo_add_32be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1752 (mtime_t)1000000 ); // duration
1756 mdhd = box_full_new( "mdhd", 1, 0 );
1757 bo_add_64be( mdhd, get_timestamp() ); // creation time
1758 bo_add_64be( mdhd, get_timestamp() ); // modification time
1759 bo_add_32be( mdhd, i_timescale); // timescale
1760 bo_add_64be( mdhd, p_stream->i_duration * (int64_t)i_timescale /
1761 (mtime_t)1000000 ); // duration
1764 if( p_stream->fmt.psz_language )
1766 char *psz = p_stream->fmt.psz_language;
1767 const iso639_lang_t *pl = NULL;
1768 uint16_t lang = 0x0;
1770 if( strlen( psz ) == 2 )
1772 pl = GetLang_1( psz );
1774 else if( strlen( psz ) == 3 )
1776 pl = GetLang_2B( psz );
1777 if( !strcmp( pl->psz_iso639_1, "??" ) )
1779 pl = GetLang_2T( psz );
1782 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1784 lang = ( ( pl->psz_iso639_2T[0] - 0x60 ) << 10 ) |
1785 ( ( pl->psz_iso639_2T[1] - 0x60 ) << 5 ) |
1786 ( ( pl->psz_iso639_2T[2] - 0x60 ) );
1788 bo_add_16be( mdhd, lang ); // language
1792 bo_add_16be( mdhd, 0 ); // language
1794 bo_add_16be( mdhd, 0 ); // predefined
1796 box_gather( mdia, mdhd );
1798 /* handler reference */
1799 hdlr = box_full_new( "hdlr", 0, 0 );
1802 bo_add_fourcc( hdlr, "mhlr" ); // media handler
1804 bo_add_32be( hdlr, 0 );
1806 if( p_stream->fmt.i_cat == AUDIO_ES )
1807 bo_add_fourcc( hdlr, "soun" );
1808 else if( p_stream->fmt.i_cat == VIDEO_ES )
1809 bo_add_fourcc( hdlr, "vide" );
1810 else if( p_stream->fmt.i_cat == SPU_ES )
1811 bo_add_fourcc( hdlr, "text" );
1813 bo_add_32be( hdlr, 0 ); // reserved
1814 bo_add_32be( hdlr, 0 ); // reserved
1815 bo_add_32be( hdlr, 0 ); // reserved
1818 bo_add_8( hdlr, 12 ); /* Pascal string for .mov */
1820 if( p_stream->fmt.i_cat == AUDIO_ES )
1821 bo_add_mem( hdlr, 12, (uint8_t*)"SoundHandler" );
1822 else if( p_stream->fmt.i_cat == VIDEO_ES )
1823 bo_add_mem( hdlr, 12, (uint8_t*)"VideoHandler" );
1825 bo_add_mem( hdlr, 12, (uint8_t*)"Text Handler" );
1828 bo_add_8( hdlr, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1831 box_gather( mdia, hdlr );
1834 minf = box_new( "minf" );
1837 if( p_stream->fmt.i_cat == AUDIO_ES )
1841 smhd = box_full_new( "smhd", 0, 0 );
1842 bo_add_16be( smhd, 0 ); // balance
1843 bo_add_16be( smhd, 0 ); // reserved
1846 box_gather( minf, smhd );
1848 else if( p_stream->fmt.i_cat == VIDEO_ES )
1852 vmhd = box_full_new( "vmhd", 0, 1 );
1853 bo_add_16be( vmhd, 0 ); // graphicsmode
1854 for( i = 0; i < 3; i++ )
1856 bo_add_16be( vmhd, 0 ); // opcolor
1860 box_gather( minf, vmhd );
1862 else if( p_stream->fmt.i_cat == SPU_ES )
1864 bo_t *gmhd = box_new( "gmhd" );
1865 bo_t *gmin = box_full_new( "gmin", 0, 1 );
1867 bo_add_16be( gmin, 0 ); // graphicsmode
1868 for( i = 0; i < 3; i++ )
1870 bo_add_16be( gmin, 0 ); // opcolor
1872 bo_add_16be( gmin, 0 ); // balance
1873 bo_add_16be( gmin, 0 ); // reserved
1876 box_gather( gmhd, gmin );
1879 box_gather( minf, gmhd );
1883 dinf = box_new( "dinf" );
1884 dref = box_full_new( "dref", 0, 0 );
1885 bo_add_32be( dref, 1 );
1886 url = box_full_new( "url ", 0, 0x01 );
1888 box_gather( dref, url );
1890 box_gather( dinf, dref );
1892 /* append dinf to mdia */
1894 box_gather( minf, dinf );
1897 stbl = GetStblBox( p_mux, p_stream );
1899 /* append stbl to minf */
1900 p_stream->i_stco_pos += minf->i_buffer;
1901 box_gather( minf, stbl );
1903 /* append minf to mdia */
1905 p_stream->i_stco_pos += mdia->i_buffer;
1906 box_gather( mdia, minf );
1908 /* append mdia to trak */
1910 p_stream->i_stco_pos += trak->i_buffer;
1911 box_gather( trak, mdia );
1913 /* append trak to moov */
1915 p_stream->i_stco_pos += moov->i_buffer;
1916 box_gather( moov, trak );
1919 /* Add user data tags */
1920 box_gather( moov, GetUdtaTag( p_mux ) );
1926 /****************************************************************************/
1928 static void bo_init( bo_t *p_bo, int i_size, uint8_t *p_buffer,
1933 p_bo->i_buffer_size = __MAX( i_size, 1024 );
1934 p_bo->p_buffer = malloc( p_bo->i_buffer_size );
1938 p_bo->i_buffer_size = i_size;
1939 p_bo->p_buffer = p_buffer;
1942 p_bo->b_grow = b_grow;
1946 static void bo_add_8( bo_t *p_bo, uint8_t i )
1948 if( p_bo->i_buffer < p_bo->i_buffer_size )
1950 p_bo->p_buffer[p_bo->i_buffer] = i;
1952 else if( p_bo->b_grow )
1954 p_bo->i_buffer_size += 1024;
1955 p_bo->p_buffer = realloc( p_bo->p_buffer, p_bo->i_buffer_size );
1957 p_bo->p_buffer[p_bo->i_buffer] = i;
1963 static void bo_add_16be( bo_t *p_bo, uint16_t i )
1965 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1966 bo_add_8( p_bo, i &0xff );
1969 static void bo_add_24be( bo_t *p_bo, uint32_t i )
1971 bo_add_8( p_bo, ( ( i >> 16) &0xff ) );
1972 bo_add_8( p_bo, ( ( i >> 8) &0xff ) );
1973 bo_add_8( p_bo, ( i &0xff ) );
1975 static void bo_add_32be( bo_t *p_bo, uint32_t i )
1977 bo_add_16be( p_bo, ( ( i >> 16) &0xffff ) );
1978 bo_add_16be( p_bo, i &0xffff );
1981 static void bo_fix_32be ( bo_t *p_bo, int i_pos, uint32_t i)
1983 p_bo->p_buffer[i_pos ] = ( i >> 24 )&0xff;
1984 p_bo->p_buffer[i_pos + 1] = ( i >> 16 )&0xff;
1985 p_bo->p_buffer[i_pos + 2] = ( i >> 8 )&0xff;
1986 p_bo->p_buffer[i_pos + 3] = ( i )&0xff;
1989 static void bo_add_64be( bo_t *p_bo, uint64_t i )
1991 bo_add_32be( p_bo, ( ( i >> 32) &0xffffffff ) );
1992 bo_add_32be( p_bo, i &0xffffffff );
1995 static void bo_add_fourcc( bo_t *p_bo, char *fcc )
1997 bo_add_8( p_bo, fcc[0] );
1998 bo_add_8( p_bo, fcc[1] );
1999 bo_add_8( p_bo, fcc[2] );
2000 bo_add_8( p_bo, fcc[3] );
2003 static void bo_add_mem( bo_t *p_bo, int i_size, uint8_t *p_mem )
2007 for( i = 0; i < i_size; i++ )
2009 bo_add_8( p_bo, p_mem[i] );
2013 static void bo_add_descr( bo_t *p_bo, uint8_t tag, uint32_t i_size )
2019 vals[3] = (unsigned char)(i_length & 0x7f);
2021 vals[2] = (unsigned char)((i_length & 0x7f) | 0x80);
2023 vals[1] = (unsigned char)((i_length & 0x7f) | 0x80);
2025 vals[0] = (unsigned char)((i_length & 0x7f) | 0x80);
2027 bo_add_8( p_bo, tag );
2029 if( i_size < 0x00000080 )
2031 bo_add_8( p_bo, vals[3] );
2033 else if( i_size < 0x00004000 )
2035 bo_add_8( p_bo, vals[2] );
2036 bo_add_8( p_bo, vals[3] );
2038 else if( i_size < 0x00200000 )
2040 bo_add_8( p_bo, vals[1] );
2041 bo_add_8( p_bo, vals[2] );
2042 bo_add_8( p_bo, vals[3] );
2044 else if( i_size < 0x10000000 )
2046 bo_add_8( p_bo, vals[0] );
2047 bo_add_8( p_bo, vals[1] );
2048 bo_add_8( p_bo, vals[2] );
2049 bo_add_8( p_bo, vals[3] );
2053 static void bo_add_bo( bo_t *p_bo, bo_t *p_bo2 )
2057 for( i = 0; i < p_bo2->i_buffer; i++ )
2059 bo_add_8( p_bo, p_bo2->p_buffer[i] );
2063 static bo_t * box_new( char *fcc )
2067 if( ( box = malloc( sizeof( bo_t ) ) ) )
2069 bo_init( box, 0, NULL, VLC_TRUE );
2071 bo_add_32be ( box, 0 );
2072 bo_add_fourcc( box, fcc );
2078 static bo_t * box_full_new( char *fcc, uint8_t v, uint32_t f )
2082 if( ( box = malloc( sizeof( bo_t ) ) ) )
2084 bo_init( box, 0, NULL, VLC_TRUE );
2086 bo_add_32be ( box, 0 );
2087 bo_add_fourcc( box, fcc );
2088 bo_add_8 ( box, v );
2089 bo_add_24be ( box, f );
2095 static void box_fix( bo_t *box )
2099 memcpy( &box_tmp, box, sizeof( bo_t ) );
2101 box_tmp.i_buffer = 0;
2102 bo_add_32be( &box_tmp, box->i_buffer );
2105 static void box_free( bo_t *box )
2109 free( box->p_buffer );
2115 static void box_gather ( bo_t *box, bo_t *box2 )
2117 bo_add_bo( box, box2 );
2121 static block_t * bo_to_sout( sout_instance_t *p_sout, bo_t *box )
2125 p_buf = block_New( p_sout, box->i_buffer );
2126 if( box->i_buffer > 0 )
2128 memcpy( p_buf->p_buffer, box->p_buffer, box->i_buffer );
2134 static void box_send( sout_mux_t *p_mux, bo_t *box )
2138 p_buf = bo_to_sout( p_mux->p_sout, box );
2141 sout_AccessOutWrite( p_mux->p_access, p_buf );
2144 static int64_t get_timestamp()
2146 int64_t i_timestamp = 0;
2149 i_timestamp = time(NULL);
2150 i_timestamp += 2082844800; // MOV/MP4 start date is 1/1/1904
2151 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60