1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002, 2003, 2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin at videolan dot org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
36 #include <vlc_block.h>
40 #include <vlc_iso_lang.h>
43 /*****************************************************************************
45 *****************************************************************************/
46 #define FASTSTART_TEXT N_("Create \"Fast Start\" files")
47 #define FASTSTART_LONGTEXT N_( \
48 "Create \"Fast Start\" files. " \
49 "\"Fast Start\" files are optimized for downloads and allow the user " \
50 "to start previewing the file while it is downloading.")
52 static int Open ( vlc_object_t
* );
53 static void Close ( vlc_object_t
* );
55 #define SOUT_CFG_PREFIX "sout-mp4-"
58 set_description( N_("MP4/MOV muxer") )
59 set_category( CAT_SOUT
)
60 set_subcategory( SUBCAT_SOUT_MUX
)
61 set_shortname( "MP4" )
63 add_bool( SOUT_CFG_PREFIX
"faststart", true, NULL
,
64 FASTSTART_TEXT
, FASTSTART_LONGTEXT
,
66 set_capability( "sout mux", 5 )
67 add_shortcut( "mp4", "mov", "3gp" )
68 set_callbacks( Open
, Close
)
71 /*****************************************************************************
73 *****************************************************************************/
74 static const char *const ppsz_sout_options
[] = {
78 static int Control( sout_mux_t
*, int, va_list );
79 static int AddStream( sout_mux_t
*, sout_input_t
* );
80 static int DelStream( sout_mux_t
*, sout_input_t
* );
81 static int Mux ( sout_mux_t
* );
83 /*****************************************************************************
85 *****************************************************************************/
103 unsigned int i_entry_count
;
104 unsigned int i_entry_max
;
106 int64_t i_length_neg
;
112 /* for later stco fix-up (fast start files) */
121 struct sout_mux_sys_t
134 mp4_stream_t
**pp_streams
;
147 static void bo_init ( bo_t
*, int , uint8_t *, bool );
148 static void bo_add_8 ( bo_t
*, uint8_t );
149 static void bo_add_16be ( bo_t
*, uint16_t );
150 static void bo_add_24be ( bo_t
*, uint32_t );
151 static void bo_add_32be ( bo_t
*, uint32_t );
152 static void bo_add_64be ( bo_t
*, uint64_t );
153 static void bo_add_fourcc(bo_t
*, const char * );
154 static void bo_add_bo ( bo_t
*, bo_t
* );
155 static void bo_add_mem ( bo_t
*, int , uint8_t * );
156 static void bo_add_descr( bo_t
*, uint8_t , uint32_t );
158 static void bo_fix_32be ( bo_t
*, int , uint32_t );
160 static bo_t
*box_new ( const char *fcc
);
161 static bo_t
*box_full_new( const char *fcc
, uint8_t v
, uint32_t f
);
162 static void box_fix ( bo_t
*box
);
163 static void box_free ( bo_t
*box
);
164 static void box_gather ( bo_t
*box
, bo_t
*box2
);
166 static void box_send( sout_mux_t
*p_mux
, bo_t
*box
);
168 static block_t
*bo_to_sout( sout_instance_t
*p_sout
, bo_t
*box
);
170 static bo_t
*GetMoovBox( sout_mux_t
*p_mux
);
172 static block_t
*ConvertSUBT( block_t
*);
173 static block_t
*ConvertAVC1( block_t
* );
175 /*****************************************************************************
177 *****************************************************************************/
178 static int Open( vlc_object_t
*p_this
)
180 sout_mux_t
*p_mux
= (sout_mux_t
*)p_this
;
181 sout_mux_sys_t
*p_sys
;
184 msg_Dbg( p_mux
, "Mp4 muxer opened" );
185 config_ChainParse( p_mux
, SOUT_CFG_PREFIX
, ppsz_sout_options
, p_mux
->p_cfg
);
187 p_mux
->pf_control
= Control
;
188 p_mux
->pf_addstream
= AddStream
;
189 p_mux
->pf_delstream
= DelStream
;
191 p_mux
->p_sys
= p_sys
= malloc( sizeof( sout_mux_sys_t
) );
195 p_sys
->i_nb_streams
= 0;
196 p_sys
->pp_streams
= NULL
;
197 p_sys
->i_mdat_pos
= 0;
198 p_sys
->b_mov
= p_mux
->psz_mux
&& !strcmp( p_mux
->psz_mux
, "mov" );
199 p_sys
->b_3gp
= p_mux
->psz_mux
&& !strcmp( p_mux
->psz_mux
, "3gp" );
200 p_sys
->i_dts_start
= 0;
205 /* Now add ftyp header */
206 box
= box_new( "ftyp" );
207 if( p_sys
->b_3gp
) bo_add_fourcc( box
, "3gp6" );
208 else bo_add_fourcc( box
, "isom" );
209 bo_add_32be ( box
, 0 );
210 if( p_sys
->b_3gp
) bo_add_fourcc( box
, "3gp4" );
211 else bo_add_fourcc( box
, "mp41" );
212 bo_add_fourcc( box
, "avc1" );
213 bo_add_fourcc( box
, "qt " );
216 p_sys
->i_pos
+= box
->i_buffer
;
217 p_sys
->i_mdat_pos
= p_sys
->i_pos
;
219 box_send( p_mux
, box
);
223 * Quicktime actually doesn't like the 64 bits extensions !!! */
224 p_sys
->b_64_ext
= false;
226 /* Now add mdat header */
227 box
= box_new( "mdat" );
228 bo_add_64be ( box
, 0 ); // enough to store an extended size
230 p_sys
->i_pos
+= box
->i_buffer
;
232 box_send( p_mux
, box
);
237 /*****************************************************************************
239 *****************************************************************************/
240 static void Close( vlc_object_t
* p_this
)
242 sout_mux_t
*p_mux
= (sout_mux_t
*)p_this
;
243 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
251 msg_Dbg( p_mux
, "Close" );
253 /* Update mdat size */
254 bo_init( &bo
, 0, NULL
, true );
255 if( p_sys
->i_pos
- p_sys
->i_mdat_pos
>= (((uint64_t)1)<<32) )
258 bo_add_32be ( &bo
, 1 );
259 bo_add_fourcc( &bo
, "mdat" );
260 bo_add_64be ( &bo
, p_sys
->i_pos
- p_sys
->i_mdat_pos
);
264 bo_add_32be ( &bo
, 8 );
265 bo_add_fourcc( &bo
, "wide" );
266 bo_add_32be ( &bo
, p_sys
->i_pos
- p_sys
->i_mdat_pos
- 8 );
267 bo_add_fourcc( &bo
, "mdat" );
269 p_hdr
= bo_to_sout( p_mux
->p_sout
, &bo
);
272 sout_AccessOutSeek( p_mux
->p_access
, p_sys
->i_mdat_pos
);
273 sout_AccessOutWrite( p_mux
->p_access
, p_hdr
);
275 /* Create MOOV header */
276 i_moov_pos
= p_sys
->i_pos
;
277 moov
= GetMoovBox( p_mux
);
279 /* Check we need to create "fast start" files */
280 var_Get( p_this
, SOUT_CFG_PREFIX
"faststart", &val
);
281 p_sys
->b_fast_start
= val
.b_bool
;
282 while( p_sys
->b_fast_start
)
284 /* Move data to the end of the file so we can fit the moov header
287 int64_t i_chunk
, i_size
= p_sys
->i_pos
- p_sys
->i_mdat_pos
;
288 int i_moov_size
= moov
->i_buffer
;
292 i_chunk
= __MIN( 32768, i_size
);
293 p_buf
= block_New( p_mux
, i_chunk
);
294 sout_AccessOutSeek( p_mux
->p_access
,
295 p_sys
->i_mdat_pos
+ i_size
- i_chunk
);
296 if( sout_AccessOutRead( p_mux
->p_access
, p_buf
) < i_chunk
)
298 msg_Warn( p_this
, "read() not supported by access output, "
299 "won't create a fast start file" );
300 p_sys
->b_fast_start
= false;
301 block_Release( p_buf
);
304 sout_AccessOutSeek( p_mux
->p_access
, p_sys
->i_mdat_pos
+ i_size
+
305 i_moov_size
- i_chunk
);
306 sout_AccessOutWrite( p_mux
->p_access
, p_buf
);
310 if( !p_sys
->b_fast_start
) break;
312 /* Fix-up samples to chunks table in MOOV header */
313 for( i_trak
= 0; i_trak
< p_sys
->i_nb_streams
; i_trak
++ )
315 mp4_stream_t
*p_stream
= p_sys
->pp_streams
[i_trak
];
319 moov
->i_buffer
= p_stream
->i_stco_pos
;
320 for( i_chunk
= 0, i
= 0; i
< p_stream
->i_entry_count
; i_chunk
++ )
322 if( p_stream
->b_stco64
)
323 bo_add_64be( moov
, p_stream
->entry
[i
].i_pos
+ i_moov_size
);
325 bo_add_32be( moov
, p_stream
->entry
[i
].i_pos
+ i_moov_size
);
327 while( i
< p_stream
->i_entry_count
)
329 if( i
+ 1 < p_stream
->i_entry_count
&&
330 p_stream
->entry
[i
].i_pos
+ p_stream
->entry
[i
].i_size
331 != p_stream
->entry
[i
+ 1].i_pos
)
342 moov
->i_buffer
= i_moov_size
;
343 i_moov_pos
= p_sys
->i_mdat_pos
;
344 p_sys
->b_fast_start
= false;
347 /* Write MOOV header */
348 sout_AccessOutSeek( p_mux
->p_access
, i_moov_pos
);
349 box_send( p_mux
, moov
);
352 for( i_trak
= 0; i_trak
< p_sys
->i_nb_streams
; i_trak
++ )
354 mp4_stream_t
*p_stream
= p_sys
->pp_streams
[i_trak
];
356 es_format_Clean( &p_stream
->fmt
);
357 free( p_stream
->entry
);
360 if( p_sys
->i_nb_streams
) free( p_sys
->pp_streams
);
364 /*****************************************************************************
366 *****************************************************************************/
367 static int Control( sout_mux_t
*p_mux
, int i_query
, va_list args
)
374 case MUX_CAN_ADD_STREAM_WHILE_MUXING
:
375 pb_bool
= (bool*)va_arg( args
, bool * );
379 case MUX_GET_ADD_STREAM_WAIT
:
380 pb_bool
= (bool*)va_arg( args
, bool * );
384 case MUX_GET_MIME
: /* Not needed, as not streamable */
390 /*****************************************************************************
392 *****************************************************************************/
393 static int AddStream( sout_mux_t
*p_mux
, sout_input_t
*p_input
)
395 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
396 mp4_stream_t
*p_stream
;
398 switch( p_input
->p_fmt
->i_codec
)
405 case VLC_CODEC_MJPGB
:
410 case VLC_CODEC_AMR_NB
:
411 case VLC_CODEC_AMR_WB
:
416 msg_Warn( p_mux
, "subtitle track added like in .mov (even when creating .mp4)" );
419 msg_Err( p_mux
, "unsupported codec %4.4s in mp4",
420 (char*)&p_input
->p_fmt
->i_codec
);
424 p_stream
= malloc( sizeof( mp4_stream_t
) );
427 es_format_Copy( &p_stream
->fmt
, p_input
->p_fmt
);
428 p_stream
->i_track_id
= p_sys
->i_nb_streams
+ 1;
429 p_stream
->i_length_neg
= 0;
430 p_stream
->i_entry_count
= 0;
431 p_stream
->i_entry_max
= 1000;
433 calloc( p_stream
->i_entry_max
, sizeof( mp4_entry_t
) );
434 p_stream
->i_dts_start
= 0;
435 p_stream
->i_duration
= 0;
437 p_input
->p_sys
= p_stream
;
439 msg_Dbg( p_mux
, "adding input" );
441 TAB_APPEND( p_sys
->i_nb_streams
, p_sys
->pp_streams
, p_stream
);
445 /*****************************************************************************
447 *****************************************************************************/
448 static int DelStream( sout_mux_t
*p_mux
, sout_input_t
*p_input
)
451 msg_Dbg( p_mux
, "removing input" );
455 /*****************************************************************************
457 *****************************************************************************/
458 static int Mux( sout_mux_t
*p_mux
)
460 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
464 sout_input_t
*p_input
;
465 mp4_stream_t
*p_stream
;
469 int i_stream
= sout_MuxGetStream( p_mux
, 2, &i_dts
);
472 return( VLC_SUCCESS
);
475 p_input
= p_mux
->pp_inputs
[i_stream
];
476 p_stream
= (mp4_stream_t
*)p_input
->p_sys
;
479 p_data
= block_FifoGet( p_input
->p_fifo
);
480 if( p_stream
->fmt
.i_codec
== VLC_CODEC_H264
)
482 p_data
= ConvertAVC1( p_data
);
484 else if( p_stream
->fmt
.i_codec
== VLC_CODEC_SUBT
)
486 p_data
= ConvertSUBT( p_data
);
488 if( p_data
== NULL
) goto again
;
490 if( p_stream
->fmt
.i_cat
!= SPU_ES
)
492 /* Fix length of the sample */
493 if( block_FifoCount( p_input
->p_fifo
) > 0 )
495 block_t
*p_next
= block_FifoShow( p_input
->p_fifo
);
496 int64_t i_diff
= p_next
->i_dts
- p_data
->i_dts
;
498 if( i_diff
< INT64_C(1000000 ) ) /* protection */
500 p_data
->i_length
= i_diff
;
503 if( p_data
->i_length
<= 0 )
505 msg_Warn( p_mux
, "i_length <= 0" );
506 p_stream
->i_length_neg
+= p_data
->i_length
- 1;
507 p_data
->i_length
= 1;
509 else if( p_stream
->i_length_neg
< 0 )
511 int64_t i_recover
= __MIN( p_data
->i_length
/ 4, - p_stream
->i_length_neg
);
513 p_data
->i_length
-= i_recover
;
514 p_stream
->i_length_neg
+= i_recover
;
518 /* Save starting time */
519 if( p_stream
->i_entry_count
== 0 )
521 p_stream
->i_dts_start
= p_data
->i_dts
;
523 /* Update global dts_start */
524 if( p_sys
->i_dts_start
<= 0 ||
525 p_stream
->i_dts_start
< p_sys
->i_dts_start
)
527 p_sys
->i_dts_start
= p_stream
->i_dts_start
;
531 if( p_stream
->fmt
.i_cat
== SPU_ES
&& p_stream
->i_entry_count
> 0 )
533 int64_t i_length
= p_data
->i_dts
- p_stream
->i_last_dts
;
537 /* FIXME handle this broken case */
542 if( p_stream
->entry
[p_stream
->i_entry_count
-1].i_length
<= 0 )
544 p_stream
->entry
[p_stream
->i_entry_count
-1].i_length
= i_length
;
549 /* add index entry */
550 p_stream
->entry
[p_stream
->i_entry_count
].i_pos
= p_sys
->i_pos
;
551 p_stream
->entry
[p_stream
->i_entry_count
].i_size
= p_data
->i_buffer
;
552 p_stream
->entry
[p_stream
->i_entry_count
].i_pts_dts
=
553 __MAX( p_data
->i_pts
- p_data
->i_dts
, 0 );
554 p_stream
->entry
[p_stream
->i_entry_count
].i_length
= p_data
->i_length
;
555 p_stream
->entry
[p_stream
->i_entry_count
].i_flags
= p_data
->i_flags
;
557 p_stream
->i_entry_count
++;
558 /* XXX: -1 to always have 2 entry for easy adding of empty SPU */
559 if( p_stream
->i_entry_count
>= p_stream
->i_entry_max
- 1 )
561 p_stream
->i_entry_max
+= 1000;
562 p_stream
->entry
= xrealloc( p_stream
->entry
,
563 p_stream
->i_entry_max
* sizeof( mp4_entry_t
) );
567 p_stream
->i_duration
= p_stream
->i_last_dts
- p_stream
->i_dts_start
+ p_data
->i_length
;
568 p_sys
->i_pos
+= p_data
->i_buffer
;
571 p_stream
->i_last_dts
= p_data
->i_dts
;
574 sout_AccessOutWrite( p_mux
->p_access
, p_data
);
576 if( p_stream
->fmt
.i_cat
== SPU_ES
)
578 int64_t i_length
= p_stream
->entry
[p_stream
->i_entry_count
-1].i_length
;
583 msg_Dbg( p_mux
, "writing an empty sub" ) ;
585 /* Append a idx entry */
586 p_stream
->entry
[p_stream
->i_entry_count
].i_pos
= p_sys
->i_pos
;
587 p_stream
->entry
[p_stream
->i_entry_count
].i_size
= 3;
588 p_stream
->entry
[p_stream
->i_entry_count
].i_pts_dts
= 0;
589 p_stream
->entry
[p_stream
->i_entry_count
].i_length
= 0;
590 p_stream
->entry
[p_stream
->i_entry_count
].i_flags
= 0;
592 /* XXX: No need to grow the entry here */
593 p_stream
->i_entry_count
++;
596 p_stream
->i_last_dts
+= i_length
;
599 p_data
= block_New( p_mux
, 3 );
600 p_data
->p_buffer
[0] = 0;
601 p_data
->p_buffer
[1] = 1;
602 p_data
->p_buffer
[2] = ' ';
604 p_sys
->i_pos
+= p_data
->i_buffer
;
606 sout_AccessOutWrite( p_mux
->p_access
, p_data
);
610 p_stream
->i_duration
= p_stream
->i_last_dts
- p_stream
->i_dts_start
;
614 return( VLC_SUCCESS
);
617 /*****************************************************************************
619 *****************************************************************************/
620 static block_t
*ConvertSUBT( block_t
*p_block
)
622 p_block
= block_Realloc( p_block
, 2, p_block
->i_buffer
);
624 /* No trailling '\0' */
625 if( p_block
->i_buffer
> 2 && p_block
->p_buffer
[p_block
->i_buffer
-1] == '\0' )
628 p_block
->p_buffer
[0] = ( (p_block
->i_buffer
- 2) >> 8 )&0xff;
629 p_block
->p_buffer
[1] = ( (p_block
->i_buffer
- 2) )&0xff;
634 static block_t
*ConvertAVC1( block_t
*p_block
)
636 uint8_t *last
= p_block
->p_buffer
; /* Assume it starts with 0x00000001 */
637 uint8_t *dat
= &p_block
->p_buffer
[4];
638 uint8_t *end
= &p_block
->p_buffer
[p_block
->i_buffer
];
641 /* Replace the 4 bytes start code with 4 bytes size,
642 * FIXME are all startcodes 4 bytes ? (I don't think :( */
647 while( dat
< end
- 4 )
649 if( dat
[0] == 0x00 && dat
[1] == 0x00 &&
650 dat
[2] == 0x00 && dat
[3] == 0x01 )
662 i_size
= dat
- &last
[4];
663 last
[0] = ( i_size
>> 24 )&0xff;
664 last
[1] = ( i_size
>> 16 )&0xff;
665 last
[2] = ( i_size
>> 8 )&0xff;
666 last
[3] = ( i_size
)&0xff;
668 /* Skip blocks with SPS/PPS */
669 if( (last
[4]&0x1f) == 7 || (last
[4]&0x1f) == 8 )
671 ; // FIXME Find a way to skip dat without frelling everything
679 static int GetDescrLength( int i_size
)
681 if( i_size
< 0x00000080 )
683 else if( i_size
< 0x00004000 )
685 else if( i_size
< 0x00200000 )
691 static bo_t
*GetESDS( mp4_stream_t
*p_stream
)
695 int i_object_type_indication
;
696 int i_decoder_specific_info_size
;
698 int64_t i_bitrate_avg
= 0;
699 int64_t i_bitrate_max
= 0;
701 /* Compute avg/max bitrate */
702 for( i
= 0; i
< p_stream
->i_entry_count
; i
++ )
704 i_bitrate_avg
+= p_stream
->entry
[i
].i_size
;
705 if( p_stream
->entry
[i
].i_length
> 0)
707 int64_t i_bitrate
= INT64_C(8000000) * p_stream
->entry
[i
].i_size
/ p_stream
->entry
[i
].i_length
;
708 if( i_bitrate
> i_bitrate_max
)
709 i_bitrate_max
= i_bitrate
;
713 if( p_stream
->i_duration
> 0 )
714 i_bitrate_avg
= INT64_C(8000000) * i_bitrate_avg
/ p_stream
->i_duration
;
717 if( i_bitrate_max
<= 1 )
718 i_bitrate_max
= 0x7fffffff;
721 if( p_stream
->fmt
.i_extra
> 0 )
723 i_decoder_specific_info_size
=
724 GetDescrLength( p_stream
->fmt
.i_extra
);
728 i_decoder_specific_info_size
= 0;
731 esds
= box_full_new( "esds", 0, 0 );
734 bo_add_descr( esds
, 0x03, 3 +
735 GetDescrLength( 13 + i_decoder_specific_info_size
) +
736 GetDescrLength( 1 ) );
737 bo_add_16be( esds
, p_stream
->i_track_id
);
738 bo_add_8 ( esds
, 0x1f ); // flags=0|streamPriority=0x1f
740 /* DecoderConfigDescr */
741 bo_add_descr( esds
, 0x04, 13 + i_decoder_specific_info_size
);
743 switch( p_stream
->fmt
.i_codec
)
746 i_object_type_indication
= 0x20;
749 /* FIXME MPEG-I=0x6b, MPEG-II = 0x60 -> 0x65 */
750 i_object_type_indication
= 0x60;
753 /* FIXME for mpeg2-aac == 0x66->0x68 */
754 i_object_type_indication
= 0x40;
757 i_object_type_indication
=
758 p_stream
->fmt
.audio
.i_rate
< 32000 ? 0x69 : 0x6b;
761 i_object_type_indication
= 0x00;
764 i_stream_type
= p_stream
->fmt
.i_cat
== VIDEO_ES
? 0x04 : 0x05;
766 bo_add_8 ( esds
, i_object_type_indication
);
767 bo_add_8 ( esds
, ( i_stream_type
<< 2 ) | 1 );
768 bo_add_24be( esds
, 1024 * 1024 ); // bufferSizeDB
769 bo_add_32be( esds
, i_bitrate_max
); // maxBitrate
770 bo_add_32be( esds
, i_bitrate_avg
); // avgBitrate
772 if( p_stream
->fmt
.i_extra
> 0 )
776 /* DecoderSpecificInfo */
777 bo_add_descr( esds
, 0x05, p_stream
->fmt
.i_extra
);
779 for( i
= 0; i
< p_stream
->fmt
.i_extra
; i
++ )
781 bo_add_8( esds
, ((uint8_t*)p_stream
->fmt
.p_extra
)[i
] );
785 /* SL_Descr mandatory */
786 bo_add_descr( esds
, 0x06, 1 );
787 bo_add_8 ( esds
, 0x02 ); // sl_predefined
794 static bo_t
*GetWaveTag( mp4_stream_t
*p_stream
)
799 wave
= box_new( "wave" );
801 box
= box_new( "frma" );
802 bo_add_fourcc( box
, "mp4a" );
804 box_gather( wave
, box
);
806 box
= box_new( "mp4a" );
807 bo_add_32be( box
, 0 );
809 box_gather( wave
, box
);
811 box
= GetESDS( p_stream
);
813 box_gather( wave
, box
);
815 box
= box_new( "srcq" );
816 bo_add_32be( box
, 0x40 );
818 box_gather( wave
, box
);
821 bo_add_32be( wave
, 8 ); /* new empty box */
822 bo_add_32be( wave
, 0 ); /* box label */
829 static bo_t
*GetDamrTag( mp4_stream_t
*p_stream
)
833 damr
= box_new( "damr" );
835 bo_add_fourcc( damr
, "REFC" );
838 if( p_stream
->fmt
.i_codec
== VLC_CODEC_AMR_NB
)
839 bo_add_16be( damr
, 0x81ff ); /* Mode set (all modes for AMR_NB) */
841 bo_add_16be( damr
, 0x83ff ); /* Mode set (all modes for AMR_WB) */
842 bo_add_16be( damr
, 0x1 ); /* Mode change period (no restriction) */
849 static bo_t
*GetD263Tag( void )
853 d263
= box_new( "d263" );
855 bo_add_fourcc( d263
, "VLC " );
856 bo_add_16be( d263
, 0xa );
864 static bo_t
*GetAvcCTag( mp4_stream_t
*p_stream
)
867 uint8_t *p_sps
= NULL
;
868 uint8_t *p_pps
= NULL
;
872 if( p_stream
->fmt
.i_extra
> 0 )
874 /* FIXME: take into account multiple sps/pps */
875 uint8_t *p_buffer
= p_stream
->fmt
.p_extra
;
876 int i_buffer
= p_stream
->fmt
.i_extra
;
878 while( i_buffer
> 3 )
881 while( p_buffer
[0] != 0 || p_buffer
[1] != 0 ||
887 const int i_nal_type
= p_buffer
[3]&0x1f;
893 for( i_offset
= 1; i_offset
+2 < i_buffer
; i_offset
++)
895 if( p_buffer
[i_offset
] == 0 && p_buffer
[i_offset
+1] == 0 &&
896 p_buffer
[i_offset
+2] == 1 )
898 /* we found another startcode */
899 i_startcode
= i_offset
;
900 while( p_buffer
[i_startcode
-1] == 0 && i_startcode
> 0 )
905 i_size
= i_startcode
? i_startcode
: i_buffer
;
907 if( i_nal_type
== 7 )
909 p_sps
= &p_buffer
[3];
910 i_sps_size
= i_size
- 3;
912 if( i_nal_type
== 8 )
914 p_pps
= &p_buffer
[3];
915 i_pps_size
= i_size
- 3;
922 /* FIXME use better value */
923 avcC
= box_new( "avcC" );
924 bo_add_8( avcC
, 1 ); /* configuration version */
925 bo_add_8( avcC
, i_sps_size
? p_sps
[1] : 77 );
926 bo_add_8( avcC
, i_sps_size
? p_sps
[2] : 64 );
927 bo_add_8( avcC
, i_sps_size
? p_sps
[3] : 30 ); /* level, 5.1 */
928 bo_add_8( avcC
, 0xff ); /* 0b11111100 | lengthsize = 0x11 */
930 bo_add_8( avcC
, 0xe0 | (i_sps_size
> 0 ? 1 : 0) ); /* 0b11100000 | sps_count */
933 bo_add_16be( avcC
, i_sps_size
);
934 bo_add_mem( avcC
, i_sps_size
, p_sps
);
937 bo_add_8( avcC
, (i_pps_size
> 0 ? 1 : 0) ); /* pps_count */
940 bo_add_16be( avcC
, i_pps_size
);
941 bo_add_mem( avcC
, i_pps_size
, p_pps
);
948 /* TODO: No idea about these values */
949 static bo_t
*GetSVQ3Tag( mp4_stream_t
*p_stream
)
951 bo_t
*smi
= box_new( "SMI " );
953 if( p_stream
->fmt
.i_extra
> 0x4e )
955 uint8_t *p_end
= &((uint8_t*)p_stream
->fmt
.p_extra
)[p_stream
->fmt
.i_extra
];
956 uint8_t *p
= &((uint8_t*)p_stream
->fmt
.p_extra
)[0x46];
958 while( p
+ 8 < p_end
)
960 int i_size
= GetDWBE( p
);
963 /* FIXME handle 1 as long size */
966 if( !strncmp( (const char *)&p
[4], "SMI ", 4 ) )
968 bo_add_mem( smi
, p_end
- p
- 8, &p
[8] );
975 /* Create a dummy one in fallback */
976 bo_add_fourcc( smi
, "SEQH" );
977 bo_add_32be( smi
, 0x5 );
978 bo_add_32be( smi
, 0xe2c0211d );
979 bo_add_8( smi
, 0xc0 );
985 static bo_t
*GetUdtaTag( sout_mux_t
*p_mux
)
987 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
988 bo_t
*udta
= box_new( "udta" );
989 vlc_meta_t
*p_meta
= p_mux
->p_sout
->p_meta
;
993 for( i_track
= 0; i_track
< p_sys
->i_nb_streams
; i_track
++ )
995 mp4_stream_t
*p_stream
= p_sys
->pp_streams
[i_track
];
997 if( p_stream
->fmt
.i_codec
== VLC_CODEC_MP4V
||
998 p_stream
->fmt
.i_codec
== VLC_CODEC_MP4A
)
1000 bo_t
*box
= box_new( "\251req" );
1002 bo_add_16be( box
, sizeof("QuickTime 6.0 or greater") - 1);
1003 bo_add_16be( box
, 0 );
1004 bo_add_mem( box
, sizeof("QuickTime 6.0 or greater") - 1,
1005 (uint8_t *)"QuickTime 6.0 or greater" );
1007 box_gather( udta
, box
);
1014 bo_t
*box
= box_new( "\251enc" );
1016 bo_add_16be( box
, sizeof(PACKAGE_STRING
" stream output") - 1);
1017 bo_add_16be( box
, 0 );
1018 bo_add_mem( box
, sizeof(PACKAGE_STRING
" stream output") - 1,
1019 (uint8_t*)PACKAGE_STRING
" stream output" );
1021 box_gather( udta
, box
);
1027 #define ADD_META_BOX( type, box_string ) { \
1029 if( vlc_meta_Get( p_meta, vlc_meta_##type ) ) box = box_new( "\251" box_string ); \
1032 bo_add_16be( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) )); \
1033 bo_add_16be( box, 0 ); \
1034 bo_add_mem( box, strlen( vlc_meta_Get( p_meta, vlc_meta_##type ) ), \
1035 (uint8_t*)(vlc_meta_Get( p_meta, vlc_meta_##type ) ) ); \
1037 box_gather( udta, box ); \
1040 ADD_META_BOX( Title
, "nam" );
1041 ADD_META_BOX( Artist
, "ART" );
1042 ADD_META_BOX( Genre
, "gen" );
1043 ADD_META_BOX( Copyright
, "cpy" );
1044 ADD_META_BOX( Description
, "des" );
1045 ADD_META_BOX( Date
, "day" );
1046 ADD_META_BOX( URL
, "url" );
1054 static bo_t
*GetSounBox( sout_mux_t
*p_mux
, mp4_stream_t
*p_stream
)
1056 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
1057 bool b_descr
= false;
1062 switch( p_stream
->fmt
.i_codec
)
1064 case VLC_CODEC_MP4A
:
1065 memcpy( fcc
, "mp4a", 4 );
1069 case VLC_CODEC_AMR_NB
:
1070 case VLC_CODEC_AMR_WB
:
1071 memcpy( fcc
, (char*)&p_stream
->fmt
.i_codec
, 4 );
1075 case VLC_CODEC_MPGA
:
1077 memcpy( fcc
, ".mp3", 4 );
1080 memcpy( fcc
, "mp4a", 4 );
1086 memcpy( fcc
, (char*)&p_stream
->fmt
.i_codec
, 4 );
1090 soun
= box_new( fcc
);
1091 for( i
= 0; i
< 6; i
++ )
1093 bo_add_8( soun
, 0 ); // reserved;
1095 bo_add_16be( soun
, 1 ); // data-reference-index
1097 /* SoundDescription */
1099 p_stream
->fmt
.i_codec
== VLC_CODEC_MP4A
)
1101 bo_add_16be( soun
, 1 ); // version 1;
1105 bo_add_16be( soun
, 0 ); // version 0;
1107 bo_add_16be( soun
, 0 ); // revision level (0)
1108 bo_add_32be( soun
, 0 ); // vendor
1110 bo_add_16be( soun
, p_stream
->fmt
.audio
.i_channels
);
1112 bo_add_16be( soun
, p_stream
->fmt
.audio
.i_bitspersample
?
1113 p_stream
->fmt
.audio
.i_bitspersample
: 16 );
1114 bo_add_16be( soun
, -2 ); // compression id
1115 bo_add_16be( soun
, 0 ); // packet size (0)
1116 bo_add_16be( soun
, p_stream
->fmt
.audio
.i_rate
); // sampleratehi
1117 bo_add_16be( soun
, 0 ); // sampleratelo
1119 /* Extended data for SoundDescription V1 */
1121 p_stream
->fmt
.i_codec
== VLC_CODEC_MP4A
)
1123 /* samples per packet */
1124 bo_add_32be( soun
, p_stream
->fmt
.audio
.i_frame_length
);
1125 bo_add_32be( soun
, 1536 ); /* bytes per packet */
1126 bo_add_32be( soun
, 2 ); /* bytes per frame */
1127 /* bytes per sample */
1128 bo_add_32be( soun
, 2 /*p_stream->fmt.audio.i_bitspersample/8 */);
1131 /* Add an ES Descriptor */
1137 p_stream
->fmt
.i_codec
== VLC_CODEC_MP4A
)
1139 box
= GetWaveTag( p_stream
);
1141 else if( p_stream
->fmt
.i_codec
== VLC_CODEC_AMR_NB
)
1143 box
= GetDamrTag( p_stream
);
1147 box
= GetESDS( p_stream
);
1150 box_gather( soun
, box
);
1158 static bo_t
*GetVideBox( mp4_stream_t
*p_stream
)
1165 switch( p_stream
->fmt
.i_codec
)
1167 case VLC_CODEC_MP4V
:
1168 case VLC_CODEC_MPGV
:
1169 memcpy( fcc
, "mp4v", 4 );
1172 case VLC_CODEC_MJPG
:
1173 memcpy( fcc
, "mjpa", 4 );
1176 case VLC_CODEC_SVQ1
:
1177 memcpy( fcc
, "SVQ1", 4 );
1180 case VLC_CODEC_SVQ3
:
1181 memcpy( fcc
, "SVQ3", 4 );
1184 case VLC_CODEC_H263
:
1185 memcpy( fcc
, "s263", 4 );
1188 case VLC_CODEC_H264
:
1189 memcpy( fcc
, "avc1", 4 );
1192 case VLC_CODEC_YV12
:
1193 memcpy( fcc
, "yv12", 4 );
1196 case VLC_CODEC_YUYV
:
1197 memcpy( fcc
, "yuy2", 4 );
1201 memcpy( fcc
, (char*)&p_stream
->fmt
.i_codec
, 4 );
1205 vide
= box_new( fcc
);
1206 for( i
= 0; i
< 6; i
++ )
1208 bo_add_8( vide
, 0 ); // reserved;
1210 bo_add_16be( vide
, 1 ); // data-reference-index
1212 bo_add_16be( vide
, 0 ); // predefined;
1213 bo_add_16be( vide
, 0 ); // reserved;
1214 for( i
= 0; i
< 3; i
++ )
1216 bo_add_32be( vide
, 0 ); // predefined;
1219 bo_add_16be( vide
, p_stream
->fmt
.video
.i_width
); // i_width
1220 bo_add_16be( vide
, p_stream
->fmt
.video
.i_height
); // i_height
1222 bo_add_32be( vide
, 0x00480000 ); // h 72dpi
1223 bo_add_32be( vide
, 0x00480000 ); // v 72dpi
1225 bo_add_32be( vide
, 0 ); // data size, always 0
1226 bo_add_16be( vide
, 1 ); // frames count per sample
1229 for( i
= 0; i
< 32; i
++ )
1231 bo_add_8( vide
, 0 );
1234 bo_add_16be( vide
, 0x18 ); // depth
1235 bo_add_16be( vide
, 0xffff ); // predefined
1237 /* add an ES Descriptor */
1238 switch( p_stream
->fmt
.i_codec
)
1240 case VLC_CODEC_MP4V
:
1241 case VLC_CODEC_MPGV
:
1243 bo_t
*esds
= GetESDS( p_stream
);
1246 box_gather( vide
, esds
);
1250 case VLC_CODEC_H263
:
1252 bo_t
*d263
= GetD263Tag();
1255 box_gather( vide
, d263
);
1259 case VLC_CODEC_SVQ3
:
1261 bo_t
*esds
= GetSVQ3Tag( p_stream
);
1264 box_gather( vide
, esds
);
1268 case VLC_CODEC_H264
:
1269 box_gather( vide
, GetAvcCTag( p_stream
) );
1281 static bo_t
*GetTextBox( void )
1284 bo_t
*text
= box_new( "text" );
1287 for( i
= 0; i
< 6; i
++ )
1289 bo_add_8( text
, 0 ); // reserved;
1291 bo_add_16be( text
, 1 ); // data-reference-index
1293 bo_add_32be( text
, 0 ); // display flags
1294 bo_add_32be( text
, 0 ); // justification
1295 for( i
= 0; i
< 3; i
++ )
1297 bo_add_16be( text
, 0 ); // back ground color
1300 bo_add_16be( text
, 0 ); // box text
1301 bo_add_16be( text
, 0 ); // box text
1302 bo_add_16be( text
, 0 ); // box text
1303 bo_add_16be( text
, 0 ); // box text
1305 bo_add_64be( text
, 0 ); // reserved
1306 for( i
= 0; i
< 3; i
++ )
1308 bo_add_16be( text
, 0xff ); // foreground color
1311 bo_add_8 ( text
, 9 );
1312 bo_add_mem( text
, 9, (uint8_t*)"Helvetica" );
1319 static bo_t
*GetStblBox( sout_mux_t
*p_mux
, mp4_stream_t
*p_stream
)
1321 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
1322 unsigned int i_chunk
, i_stsc_last_val
, i_stsc_entries
, i
, i_index
;
1323 bo_t
*stbl
, *stsd
, *stts
, *stco
, *stsc
, *stsz
, *stss
;
1324 uint32_t i_timescale
;
1325 int64_t i_dts
, i_dts_q
;
1327 stbl
= box_new( "stbl" );
1329 /* sample description */
1330 stsd
= box_full_new( "stsd", 0, 0 );
1331 bo_add_32be( stsd
, 1 );
1332 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1334 bo_t
*soun
= GetSounBox( p_mux
, p_stream
);
1335 box_gather( stsd
, soun
);
1337 else if( p_stream
->fmt
.i_cat
== VIDEO_ES
)
1339 bo_t
*vide
= GetVideBox( p_stream
);
1340 box_gather( stsd
, vide
);
1342 else if( p_stream
->fmt
.i_cat
== SPU_ES
)
1344 box_gather( stsd
, GetTextBox() );
1348 /* chunk offset table */
1349 if( p_sys
->i_pos
>= (((uint64_t)0x1) << 32) )
1351 /* 64 bits version */
1352 p_stream
->b_stco64
= true;
1353 stco
= box_full_new( "co64", 0, 0 );
1357 /* 32 bits version */
1358 p_stream
->b_stco64
= false;
1359 stco
= box_full_new( "stco", 0, 0 );
1361 bo_add_32be( stco
, 0 ); // entry-count (fixed latter)
1363 /* sample to chunk table */
1364 stsc
= box_full_new( "stsc", 0, 0 );
1365 bo_add_32be( stsc
, 0 ); // entry-count (fixed latter)
1367 for( i_chunk
= 0, i_stsc_last_val
= 0, i_stsc_entries
= 0, i
= 0;
1368 i
< p_stream
->i_entry_count
; i_chunk
++ )
1372 if( p_stream
->b_stco64
)
1373 bo_add_64be( stco
, p_stream
->entry
[i
].i_pos
);
1375 bo_add_32be( stco
, p_stream
->entry
[i
].i_pos
);
1377 while( i
< p_stream
->i_entry_count
)
1379 if( i
+ 1 < p_stream
->i_entry_count
&&
1380 p_stream
->entry
[i
].i_pos
+ p_stream
->entry
[i
].i_size
1381 != p_stream
->entry
[i
+ 1].i_pos
)
1390 /* Add entry to the stsc table */
1391 if( i_stsc_last_val
!= i
- i_first
)
1393 bo_add_32be( stsc
, 1 + i_chunk
); // first-chunk
1394 bo_add_32be( stsc
, i
- i_first
) ; // samples-per-chunk
1395 bo_add_32be( stsc
, 1 ); // sample-descr-index
1396 i_stsc_last_val
= i
- i_first
;
1401 /* Fix stco entry count */
1402 bo_fix_32be( stco
, 12, i_chunk
);
1403 msg_Dbg( p_mux
, "created %d chunks (stco)", i_chunk
);
1406 /* Fix stsc entry count */
1407 bo_fix_32be( stsc
, 12, i_stsc_entries
);
1411 stts
= box_full_new( "stts", 0, 0 );
1412 bo_add_32be( stts
, 0 ); // entry-count (fixed latter)
1414 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1415 i_timescale
= p_stream
->fmt
.audio
.i_rate
;
1419 /* first, create quantified length */
1420 for( i
= 0, i_dts
= 0, i_dts_q
= 0; i
< p_stream
->i_entry_count
; i
++ )
1422 int64_t i_dts_deq
= i_dts_q
* INT64_C(1000000) / (int64_t)i_timescale
;
1423 int64_t i_delta
= p_stream
->entry
[i
].i_length
+ i_dts
- i_dts_deq
;
1425 i_dts
+= p_stream
->entry
[i
].i_length
;
1427 p_stream
->entry
[i
].i_length
=
1428 i_delta
* (int64_t)i_timescale
/ INT64_C(1000000);
1430 i_dts_q
+= p_stream
->entry
[i
].i_length
;
1432 /* then write encoded table */
1433 for( i
= 0, i_index
= 0; i
< p_stream
->i_entry_count
; i_index
++)
1436 int64_t i_delta
= p_stream
->entry
[i
].i_length
;
1438 while( i
< p_stream
->i_entry_count
)
1441 if( i
>= p_stream
->i_entry_count
||
1442 p_stream
->entry
[i
].i_length
!= i_delta
)
1448 bo_add_32be( stts
, i
- i_first
); // sample-count
1449 bo_add_32be( stts
, i_delta
); // sample-delta
1451 bo_fix_32be( stts
, 12, i_index
);
1454 /* FIXME add ctts ?? FIXME */
1456 stsz
= box_full_new( "stsz", 0, 0 );
1457 bo_add_32be( stsz
, 0 ); // sample-size
1458 bo_add_32be( stsz
, p_stream
->i_entry_count
); // sample-count
1459 for( i
= 0; i
< p_stream
->i_entry_count
; i
++ )
1461 bo_add_32be( stsz
, p_stream
->entry
[i
].i_size
); // sample-size
1465 /* create stss table */
1467 for( i
= 0, i_index
= 0; i
< p_stream
->i_entry_count
; i
++ )
1469 if( p_stream
->entry
[i
].i_flags
& BLOCK_FLAG_TYPE_I
)
1473 stss
= box_full_new( "stss", 0, 0 );
1474 bo_add_32be( stss
, 0 ); /* fixed later */
1476 bo_add_32be( stss
, 1 + i
);
1482 bo_fix_32be( stss
, 12, i_index
);
1486 /* Now gather all boxes into stbl */
1487 box_gather( stbl
, stsd
);
1488 box_gather( stbl
, stts
);
1491 box_gather( stbl
, stss
);
1493 box_gather( stbl
, stsc
);
1494 box_gather( stbl
, stsz
);
1495 p_stream
->i_stco_pos
= stbl
->i_buffer
+ 16;
1496 box_gather( stbl
, stco
);
1504 static int64_t get_timestamp(void);
1506 static const uint32_t mvhd_matrix
[9] =
1507 { 0x10000, 0, 0, 0, 0x10000, 0, 0, 0, 0x40000000 };
1509 static bo_t
*GetMoovBox( sout_mux_t
*p_mux
)
1511 sout_mux_sys_t
*p_sys
= p_mux
->p_sys
;
1516 uint32_t i_movie_timescale
= 90000;
1517 int64_t i_movie_duration
= 0;
1518 int64_t i_timestamp
= get_timestamp();
1520 moov
= box_new( "moov" );
1522 /* Create general info */
1523 for( i_trak
= 0; i_trak
< p_sys
->i_nb_streams
; i_trak
++ )
1525 mp4_stream_t
*p_stream
= p_sys
->pp_streams
[i_trak
];
1526 i_movie_duration
= __MAX( i_movie_duration
, p_stream
->i_duration
);
1528 msg_Dbg( p_mux
, "movie duration %ds",
1529 (uint32_t)( i_movie_duration
/ (mtime_t
)1000000 ) );
1531 i_movie_duration
= i_movie_duration
* i_movie_timescale
/ 1000000;
1533 /* *** add /moov/mvhd *** */
1534 if( !p_sys
->b_64_ext
)
1536 mvhd
= box_full_new( "mvhd", 0, 0 );
1537 bo_add_32be( mvhd
, i_timestamp
); // creation time
1538 bo_add_32be( mvhd
, i_timestamp
); // modification time
1539 bo_add_32be( mvhd
, i_movie_timescale
); // timescale
1540 bo_add_32be( mvhd
, i_movie_duration
); // duration
1544 mvhd
= box_full_new( "mvhd", 1, 0 );
1545 bo_add_64be( mvhd
, i_timestamp
); // creation time
1546 bo_add_64be( mvhd
, i_timestamp
); // modification time
1547 bo_add_32be( mvhd
, i_movie_timescale
); // timescale
1548 bo_add_64be( mvhd
, i_movie_duration
); // duration
1550 bo_add_32be( mvhd
, 0x10000 ); // rate
1551 bo_add_16be( mvhd
, 0x100 ); // volume
1552 bo_add_16be( mvhd
, 0 ); // reserved
1553 for( i
= 0; i
< 2; i
++ )
1555 bo_add_32be( mvhd
, 0 ); // reserved
1557 for( i
= 0; i
< 9; i
++ )
1559 bo_add_32be( mvhd
, mvhd_matrix
[i
] );// matrix
1561 for( i
= 0; i
< 6; i
++ )
1563 bo_add_32be( mvhd
, 0 ); // pre-defined
1566 /* Next available track id */
1567 bo_add_32be( mvhd
, p_sys
->i_nb_streams
+ 1 ); // next-track-id
1570 box_gather( moov
, mvhd
);
1572 for( i_trak
= 0; i_trak
< p_sys
->i_nb_streams
; i_trak
++ )
1574 mp4_stream_t
*p_stream
;
1575 uint32_t i_timescale
;
1577 bo_t
*trak
, *tkhd
, *edts
, *elst
, *mdia
, *mdhd
, *hdlr
;
1578 bo_t
*minf
, *dinf
, *dref
, *url
, *stbl
;
1580 p_stream
= p_sys
->pp_streams
[i_trak
];
1582 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1583 i_timescale
= p_stream
->fmt
.audio
.i_rate
;
1587 /* *** add /moov/trak *** */
1588 trak
= box_new( "trak" );
1590 /* *** add /moov/trak/tkhd *** */
1591 if( !p_sys
->b_64_ext
)
1594 tkhd
= box_full_new( "tkhd", 0, 0x0f );
1596 tkhd
= box_full_new( "tkhd", 0, 1 );
1598 bo_add_32be( tkhd
, i_timestamp
); // creation time
1599 bo_add_32be( tkhd
, i_timestamp
); // modification time
1600 bo_add_32be( tkhd
, p_stream
->i_track_id
);
1601 bo_add_32be( tkhd
, 0 ); // reserved 0
1602 bo_add_32be( tkhd
, p_stream
->i_duration
*
1603 (int64_t)i_movie_timescale
/
1604 (mtime_t
)1000000 ); // duration
1609 tkhd
= box_full_new( "tkhd", 1, 0x0f );
1611 tkhd
= box_full_new( "tkhd", 1, 1 );
1613 bo_add_64be( tkhd
, i_timestamp
); // creation time
1614 bo_add_64be( tkhd
, i_timestamp
); // modification time
1615 bo_add_32be( tkhd
, p_stream
->i_track_id
);
1616 bo_add_32be( tkhd
, 0 ); // reserved 0
1617 bo_add_64be( tkhd
, p_stream
->i_duration
*
1618 (int64_t)i_movie_timescale
/
1619 (mtime_t
)1000000 ); // duration
1622 for( i
= 0; i
< 2; i
++ )
1624 bo_add_32be( tkhd
, 0 ); // reserved
1626 bo_add_16be( tkhd
, 0 ); // layer
1627 bo_add_16be( tkhd
, 0 ); // pre-defined
1629 bo_add_16be( tkhd
, p_stream
->fmt
.i_cat
== AUDIO_ES
? 0x100 : 0 );
1630 bo_add_16be( tkhd
, 0 ); // reserved
1631 for( i
= 0; i
< 9; i
++ )
1633 bo_add_32be( tkhd
, mvhd_matrix
[i
] ); // matrix
1635 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1637 bo_add_32be( tkhd
, 0 ); // width (presentation)
1638 bo_add_32be( tkhd
, 0 ); // height(presentation)
1640 else if( p_stream
->fmt
.i_cat
== VIDEO_ES
)
1642 int i_width
= p_stream
->fmt
.video
.i_width
<< 16;
1643 if( p_stream
->fmt
.video
.i_sar_num
> 0 &&
1644 p_stream
->fmt
.video
.i_sar_den
> 0 )
1646 i_width
= (int64_t)p_stream
->fmt
.video
.i_sar_num
*
1647 ((int64_t)p_stream
->fmt
.video
.i_width
<< 16) /
1648 p_stream
->fmt
.video
.i_sar_den
;
1650 // width (presentation)
1651 bo_add_32be( tkhd
, i_width
);
1652 // height(presentation)
1653 bo_add_32be( tkhd
, p_stream
->fmt
.video
.i_height
<< 16 );
1657 int i_width
= 320 << 16;
1660 for( i
= 0; i
< p_sys
->i_nb_streams
; i
++ )
1662 mp4_stream_t
*tk
= p_sys
->pp_streams
[i
];
1663 if( tk
->fmt
.i_cat
== VIDEO_ES
)
1665 if( tk
->fmt
.video
.i_sar_num
> 0 &&
1666 tk
->fmt
.video
.i_sar_den
> 0 )
1667 i_width
= (int64_t)tk
->fmt
.video
.i_sar_num
*
1668 ((int64_t)tk
->fmt
.video
.i_width
<< 16) /
1669 tk
->fmt
.video
.i_sar_den
;
1671 i_width
= tk
->fmt
.video
.i_width
<< 16;
1672 i_height
= tk
->fmt
.video
.i_height
;
1676 bo_add_32be( tkhd
, i_width
); // width (presentation)
1677 bo_add_32be( tkhd
, i_height
<< 16 ); // height(presentation)
1681 box_gather( trak
, tkhd
);
1683 /* *** add /moov/trak/edts and elst */
1684 edts
= box_new( "edts" );
1685 elst
= box_full_new( "elst", p_sys
->b_64_ext
? 1 : 0, 0 );
1686 if( p_stream
->i_dts_start
> p_sys
->i_dts_start
)
1688 bo_add_32be( elst
, 2 );
1690 if( p_sys
->b_64_ext
)
1692 bo_add_64be( elst
, (p_stream
->i_dts_start
-p_sys
->i_dts_start
) *
1693 i_movie_timescale
/ INT64_C(1000000) );
1694 bo_add_64be( elst
, -1 );
1698 bo_add_32be( elst
, (p_stream
->i_dts_start
-p_sys
->i_dts_start
) *
1699 i_movie_timescale
/ INT64_C(1000000) );
1700 bo_add_32be( elst
, -1 );
1702 bo_add_16be( elst
, 1 );
1703 bo_add_16be( elst
, 0 );
1707 bo_add_32be( elst
, 1 );
1709 if( p_sys
->b_64_ext
)
1711 bo_add_64be( elst
, p_stream
->i_duration
*
1712 i_movie_timescale
/ INT64_C(1000000) );
1713 bo_add_64be( elst
, 0 );
1717 bo_add_32be( elst
, p_stream
->i_duration
*
1718 i_movie_timescale
/ INT64_C(1000000) );
1719 bo_add_32be( elst
, 0 );
1721 bo_add_16be( elst
, 1 );
1722 bo_add_16be( elst
, 0 );
1725 box_gather( edts
, elst
);
1727 box_gather( trak
, edts
);
1729 /* *** add /moov/trak/mdia *** */
1730 mdia
= box_new( "mdia" );
1733 if( !p_sys
->b_64_ext
)
1735 mdhd
= box_full_new( "mdhd", 0, 0 );
1736 bo_add_32be( mdhd
, i_timestamp
); // creation time
1737 bo_add_32be( mdhd
, i_timestamp
); // modification time
1738 bo_add_32be( mdhd
, i_timescale
); // timescale
1739 bo_add_32be( mdhd
, p_stream
->i_duration
* (int64_t)i_timescale
/
1740 (mtime_t
)1000000 ); // duration
1744 mdhd
= box_full_new( "mdhd", 1, 0 );
1745 bo_add_64be( mdhd
, i_timestamp
); // creation time
1746 bo_add_64be( mdhd
, i_timestamp
); // modification time
1747 bo_add_32be( mdhd
, i_timescale
); // timescale
1748 bo_add_64be( mdhd
, p_stream
->i_duration
* (int64_t)i_timescale
/
1749 (mtime_t
)1000000 ); // duration
1752 if( p_stream
->fmt
.psz_language
)
1754 char *psz
= p_stream
->fmt
.psz_language
;
1755 const iso639_lang_t
*pl
= NULL
;
1756 uint16_t lang
= 0x0;
1758 if( strlen( psz
) == 2 )
1760 pl
= GetLang_1( psz
);
1762 else if( strlen( psz
) == 3 )
1764 pl
= GetLang_2B( psz
);
1765 if( !strcmp( pl
->psz_iso639_1
, "??" ) )
1767 pl
= GetLang_2T( psz
);
1770 if( pl
&& strcmp( pl
->psz_iso639_1
, "??" ) )
1772 lang
= ( ( pl
->psz_iso639_2T
[0] - 0x60 ) << 10 ) |
1773 ( ( pl
->psz_iso639_2T
[1] - 0x60 ) << 5 ) |
1774 ( ( pl
->psz_iso639_2T
[2] - 0x60 ) );
1776 bo_add_16be( mdhd
, lang
); // language
1780 bo_add_16be( mdhd
, 0 ); // language
1782 bo_add_16be( mdhd
, 0 ); // predefined
1784 box_gather( mdia
, mdhd
);
1786 /* handler reference */
1787 hdlr
= box_full_new( "hdlr", 0, 0 );
1790 bo_add_fourcc( hdlr
, "mhlr" ); // media handler
1792 bo_add_32be( hdlr
, 0 );
1794 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1795 bo_add_fourcc( hdlr
, "soun" );
1796 else if( p_stream
->fmt
.i_cat
== VIDEO_ES
)
1797 bo_add_fourcc( hdlr
, "vide" );
1798 else if( p_stream
->fmt
.i_cat
== SPU_ES
)
1799 bo_add_fourcc( hdlr
, "text" );
1801 bo_add_32be( hdlr
, 0 ); // reserved
1802 bo_add_32be( hdlr
, 0 ); // reserved
1803 bo_add_32be( hdlr
, 0 ); // reserved
1806 bo_add_8( hdlr
, 12 ); /* Pascal string for .mov */
1808 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1809 bo_add_mem( hdlr
, 12, (uint8_t*)"SoundHandler" );
1810 else if( p_stream
->fmt
.i_cat
== VIDEO_ES
)
1811 bo_add_mem( hdlr
, 12, (uint8_t*)"VideoHandler" );
1813 bo_add_mem( hdlr
, 12, (uint8_t*)"Text Handler" );
1816 bo_add_8( hdlr
, 0 ); /* asciiz string for .mp4, yes that's BRAIN DAMAGED F**K MP4 */
1819 box_gather( mdia
, hdlr
);
1822 minf
= box_new( "minf" );
1825 if( p_stream
->fmt
.i_cat
== AUDIO_ES
)
1829 smhd
= box_full_new( "smhd", 0, 0 );
1830 bo_add_16be( smhd
, 0 ); // balance
1831 bo_add_16be( smhd
, 0 ); // reserved
1834 box_gather( minf
, smhd
);
1836 else if( p_stream
->fmt
.i_cat
== VIDEO_ES
)
1840 vmhd
= box_full_new( "vmhd", 0, 1 );
1841 bo_add_16be( vmhd
, 0 ); // graphicsmode
1842 for( i
= 0; i
< 3; i
++ )
1844 bo_add_16be( vmhd
, 0 ); // opcolor
1848 box_gather( minf
, vmhd
);
1850 else if( p_stream
->fmt
.i_cat
== SPU_ES
)
1852 bo_t
*gmhd
= box_new( "gmhd" );
1853 bo_t
*gmin
= box_full_new( "gmin", 0, 1 );
1855 bo_add_16be( gmin
, 0 ); // graphicsmode
1856 for( i
= 0; i
< 3; i
++ )
1858 bo_add_16be( gmin
, 0 ); // opcolor
1860 bo_add_16be( gmin
, 0 ); // balance
1861 bo_add_16be( gmin
, 0 ); // reserved
1864 box_gather( gmhd
, gmin
);
1867 box_gather( minf
, gmhd
);
1871 dinf
= box_new( "dinf" );
1872 dref
= box_full_new( "dref", 0, 0 );
1873 bo_add_32be( dref
, 1 );
1874 url
= box_full_new( "url ", 0, 0x01 );
1876 box_gather( dref
, url
);
1878 box_gather( dinf
, dref
);
1880 /* append dinf to mdia */
1882 box_gather( minf
, dinf
);
1885 stbl
= GetStblBox( p_mux
, p_stream
);
1887 /* append stbl to minf */
1888 p_stream
->i_stco_pos
+= minf
->i_buffer
;
1889 box_gather( minf
, stbl
);
1891 /* append minf to mdia */
1893 p_stream
->i_stco_pos
+= mdia
->i_buffer
;
1894 box_gather( mdia
, minf
);
1896 /* append mdia to trak */
1898 p_stream
->i_stco_pos
+= trak
->i_buffer
;
1899 box_gather( trak
, mdia
);
1901 /* append trak to moov */
1903 p_stream
->i_stco_pos
+= moov
->i_buffer
;
1904 box_gather( moov
, trak
);
1907 /* Add user data tags */
1908 box_gather( moov
, GetUdtaTag( p_mux
) );
1914 /****************************************************************************/
1916 static void bo_init( bo_t
*p_bo
, int i_size
, uint8_t *p_buffer
,
1921 p_bo
->i_buffer_size
= __MAX( i_size
, 1024 );
1922 p_bo
->p_buffer
= xmalloc( p_bo
->i_buffer_size
);
1926 p_bo
->i_buffer_size
= i_size
;
1927 p_bo
->p_buffer
= p_buffer
;
1930 p_bo
->b_grow
= b_grow
;
1934 static void bo_add_8( bo_t
*p_bo
, uint8_t i
)
1936 if( p_bo
->i_buffer
< p_bo
->i_buffer_size
)
1938 p_bo
->p_buffer
[p_bo
->i_buffer
] = i
;
1940 else if( p_bo
->b_grow
)
1942 p_bo
->i_buffer_size
+= 1024;
1943 p_bo
->p_buffer
= xrealloc( p_bo
->p_buffer
, p_bo
->i_buffer_size
);
1944 p_bo
->p_buffer
[p_bo
->i_buffer
] = i
;
1950 static void bo_add_16be( bo_t
*p_bo
, uint16_t i
)
1952 bo_add_8( p_bo
, ( ( i
>> 8) &0xff ) );
1953 bo_add_8( p_bo
, i
&0xff );
1956 static void bo_add_24be( bo_t
*p_bo
, uint32_t i
)
1958 bo_add_8( p_bo
, ( ( i
>> 16) &0xff ) );
1959 bo_add_8( p_bo
, ( ( i
>> 8) &0xff ) );
1960 bo_add_8( p_bo
, ( i
&0xff ) );
1962 static void bo_add_32be( bo_t
*p_bo
, uint32_t i
)
1964 bo_add_16be( p_bo
, ( ( i
>> 16) &0xffff ) );
1965 bo_add_16be( p_bo
, i
&0xffff );
1968 static void bo_fix_32be ( bo_t
*p_bo
, int i_pos
, uint32_t i
)
1970 p_bo
->p_buffer
[i_pos
] = ( i
>> 24 )&0xff;
1971 p_bo
->p_buffer
[i_pos
+ 1] = ( i
>> 16 )&0xff;
1972 p_bo
->p_buffer
[i_pos
+ 2] = ( i
>> 8 )&0xff;
1973 p_bo
->p_buffer
[i_pos
+ 3] = ( i
)&0xff;
1976 static void bo_add_64be( bo_t
*p_bo
, uint64_t i
)
1978 bo_add_32be( p_bo
, ( ( i
>> 32) &0xffffffff ) );
1979 bo_add_32be( p_bo
, i
&0xffffffff );
1982 static void bo_add_fourcc( bo_t
*p_bo
, const char *fcc
)
1984 bo_add_8( p_bo
, fcc
[0] );
1985 bo_add_8( p_bo
, fcc
[1] );
1986 bo_add_8( p_bo
, fcc
[2] );
1987 bo_add_8( p_bo
, fcc
[3] );
1990 static void bo_add_mem( bo_t
*p_bo
, int i_size
, uint8_t *p_mem
)
1994 for( i
= 0; i
< i_size
; i
++ )
1996 bo_add_8( p_bo
, p_mem
[i
] );
2000 static void bo_add_descr( bo_t
*p_bo
, uint8_t tag
, uint32_t i_size
)
2006 vals
[3] = (unsigned char)(i_length
& 0x7f);
2008 vals
[2] = (unsigned char)((i_length
& 0x7f) | 0x80);
2010 vals
[1] = (unsigned char)((i_length
& 0x7f) | 0x80);
2012 vals
[0] = (unsigned char)((i_length
& 0x7f) | 0x80);
2014 bo_add_8( p_bo
, tag
);
2016 if( i_size
< 0x00000080 )
2018 bo_add_8( p_bo
, vals
[3] );
2020 else if( i_size
< 0x00004000 )
2022 bo_add_8( p_bo
, vals
[2] );
2023 bo_add_8( p_bo
, vals
[3] );
2025 else if( i_size
< 0x00200000 )
2027 bo_add_8( p_bo
, vals
[1] );
2028 bo_add_8( p_bo
, vals
[2] );
2029 bo_add_8( p_bo
, vals
[3] );
2031 else if( i_size
< 0x10000000 )
2033 bo_add_8( p_bo
, vals
[0] );
2034 bo_add_8( p_bo
, vals
[1] );
2035 bo_add_8( p_bo
, vals
[2] );
2036 bo_add_8( p_bo
, vals
[3] );
2040 static void bo_add_bo( bo_t
*p_bo
, bo_t
*p_bo2
)
2044 for( i
= 0; i
< p_bo2
->i_buffer
; i
++ )
2046 bo_add_8( p_bo
, p_bo2
->p_buffer
[i
] );
2050 static bo_t
* box_new( const char *fcc
)
2054 if( ( box
= malloc( sizeof( bo_t
) ) ) )
2056 bo_init( box
, 0, NULL
, true );
2058 bo_add_32be ( box
, 0 );
2059 bo_add_fourcc( box
, fcc
);
2065 static bo_t
* box_full_new( const char *fcc
, uint8_t v
, uint32_t f
)
2069 if( ( box
= malloc( sizeof( bo_t
) ) ) )
2071 bo_init( box
, 0, NULL
, true );
2073 bo_add_32be ( box
, 0 );
2074 bo_add_fourcc( box
, fcc
);
2075 bo_add_8 ( box
, v
);
2076 bo_add_24be ( box
, f
);
2082 static void box_fix( bo_t
*box
)
2086 memcpy( &box_tmp
, box
, sizeof( bo_t
) );
2088 box_tmp
.i_buffer
= 0;
2089 bo_add_32be( &box_tmp
, box
->i_buffer
);
2092 static void box_free( bo_t
*box
)
2094 free( box
->p_buffer
);
2098 static void box_gather ( bo_t
*box
, bo_t
*box2
)
2100 bo_add_bo( box
, box2
);
2104 static block_t
* bo_to_sout( sout_instance_t
*p_sout
, bo_t
*box
)
2109 p_buf
= block_New( p_sout
, box
->i_buffer
);
2110 if( box
->i_buffer
> 0 )
2112 memcpy( p_buf
->p_buffer
, box
->p_buffer
, box
->i_buffer
);
2118 static void box_send( sout_mux_t
*p_mux
, bo_t
*box
)
2122 p_buf
= bo_to_sout( p_mux
->p_sout
, box
);
2125 sout_AccessOutWrite( p_mux
->p_access
, p_buf
);
2128 static int64_t get_timestamp(void)
2130 int64_t i_timestamp
= time(NULL
);
2132 i_timestamp
+= 2082844800; // MOV/MP4 start date is 1/1/1904
2133 // 208284480 is (((1970 - 1904) * 365) + 17) * 24 * 60 * 60