asf.c 34.4 KB
Newer Older
1
/*****************************************************************************
2
 * asf.c: asf muxer module for vlc
3
 *****************************************************************************
4
 * Copyright (C) 2003-2004 VideoLAN
5
 * $Id$
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>

#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/sout.h>

#include "codecs.h"

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
static int  Open   ( vlc_object_t * );
static void Close  ( vlc_object_t * );

41
42
#define SOUT_CFG_PREFIX "sout-asf-"

zorglub's avatar
zorglub committed
43
44
45
46
#define TITLE_TEXT N_("Title")
#define TITLE_LONGTEXT N_("Allows you to define the title that will be put " \
                          "in ASF comments.")
#define AUTHOR_TEXT N_("Author")
47
48
#define AUTHOR_LONGTEXT N_("Allows you to define the author that will be put "\
                           "in ASF comments.")
zorglub's avatar
zorglub committed
49
#define COPYRIGHT_TEXT N_("Copyright")
50
51
#define COPYRIGHT_LONGTEXT N_("Allows you to define the copyright string " \
                              "that will be put in ASF comments.")
zorglub's avatar
zorglub committed
52
53
54
55
56
57
58
#define COMMENT_TEXT N_("Comment")
#define COMMENT_LONGTEXT N_("Allows you to define the comment that will be " \
                            "put in ASF comments.")
#define RATING_TEXT N_("Rating")
#define RATING_LONGTEXT N_("Allows you to define the \"rating\" that will " \
                           "be put in ASF comments.")

59
vlc_module_begin();
Sam Hocevar's avatar
Sam Hocevar committed
60
    set_description( _("ASF muxer") );
61
62
    set_capability( "sout mux", 5 );
    add_shortcut( "asf" );
63
    add_shortcut( "asfh" );
64
    set_callbacks( Open, Close );
65

zorglub's avatar
zorglub committed
66
67
68
69
70
71
72
73
74
75
    add_string( SOUT_CFG_PREFIX "title", "", NULL, TITLE_TEXT, TITLE_LONGTEXT,
                                 VLC_TRUE );
    add_string( SOUT_CFG_PREFIX "author",   "", NULL, AUTHOR_TEXT,
                                 AUTHOR_LONGTEXT, VLC_TRUE );
    add_string( SOUT_CFG_PREFIX "copyright","", NULL, COPYRIGHT_TEXT,
                                 COPYRIGHT_LONGTEXT, VLC_TRUE );
    add_string( SOUT_CFG_PREFIX "comment",  "", NULL, COMMENT_TEXT,
                                 COMMENT_LONGTEXT, VLC_TRUE );
    add_string( SOUT_CFG_PREFIX "rating",  "", NULL, RATING_TEXT,
                                 RATING_LONGTEXT, VLC_TRUE );
76
77
78
79
80
vlc_module_end();

/*****************************************************************************
 * Locales prototypes
 *****************************************************************************/
81
82
static const char *ppsz_sout_options[] = {
    "title", "author", "copyright", "comment", "rating", NULL
83
};
84

85
86
87
88
static int Control  ( sout_mux_t *, int, va_list );
static int AddStream( sout_mux_t *, sout_input_t * );
static int DelStream( sout_mux_t *, sout_input_t * );
static int Mux      ( sout_mux_t * );
89
90
91
92
93
94
95

typedef struct
{
    uint32_t v1; /* le */
    uint16_t v2; /* le */
    uint16_t v3; /* le */
    uint8_t  v4[8];
96

97
98
99
100
} guid_t;

typedef struct
{
101
102
    int          i_id;
    int          i_cat;
103

104
    /* codec information */
105
106
107
108
109
110
111
112
    uint16_t     i_tag;     /* for audio */
    vlc_fourcc_t i_fourcc;  /* for video */
    char         *psz_name; /* codec name */

    int          i_sequence;

    int          i_extra;
    uint8_t     *p_extra;
113

114
115
116
117
118
119
120
121
} asf_track_t;

struct sout_mux_sys_t
{
    guid_t          fid;    /* file id */
    int             i_packet_size;
    int64_t         i_packet_count;
    mtime_t         i_dts_first;
122
    mtime_t         i_dts_last;
123
    mtime_t         i_preroll_time;
124
    int64_t         i_bitrate;
125
126
127
128
129
130

    int             i_track;
    asf_track_t     track[128];

    vlc_bool_t      b_write_header;

131
    block_t         *pk;
132
133
134
    int             i_pk_used;
    int             i_pk_frame;
    mtime_t         i_pk_dts;
135
136
137

    vlc_bool_t      b_asf_http;
    int             i_seq;
138
139
140
141
142
143
144

    /* meta data */
    char            *psz_title;
    char            *psz_author;
    char            *psz_copyright;
    char            *psz_comment;
    char            *psz_rating;
145
146
147
148
};

static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );

149
static block_t *asf_header_create( sout_mux_t *, vlc_bool_t b_broadcast );
150
static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
151
static block_t *asf_stream_end_create( sout_mux_t *);
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166

typedef struct
{
    int      i_buffer_size;
    int      i_buffer;
    uint8_t  *p_buffer;
} bo_t;

static void bo_init     ( bo_t *, uint8_t *, int  );
static void bo_add_u8   ( bo_t *, uint8_t  );
static void bo_addle_u16( bo_t *, uint16_t );
static void bo_addle_u32( bo_t *, uint32_t );
static void bo_addle_u64( bo_t *, uint64_t );
static void bo_add_mem  ( bo_t *, uint8_t *, int );

167
static void bo_addle_str16( bo_t *, char * );
168
169
170
171
172
173
174
175

/*****************************************************************************
 * Open:
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    sout_mux_t     *p_mux = (sout_mux_t*)p_this;
    sout_mux_sys_t *p_sys;
176
    vlc_value_t    val;
177
178
179
    int i;

    msg_Dbg( p_mux, "Asf muxer opened" );
180
    sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
181

182
    p_mux->pf_control   = Control;
183
184
185
186
187
    p_mux->pf_addstream = AddStream;
    p_mux->pf_delstream = DelStream;
    p_mux->pf_mux       = Mux;

    p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
188
189
190
191
192
    p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
    if( p_sys->b_asf_http )
    {
        msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
    }
193
    p_sys->pk = NULL;
194
195
196
197
    p_sys->i_pk_used    = 0;
    p_sys->i_pk_frame   = 0;
    p_sys->i_dts_first  = -1;
    p_sys->i_dts_last   = 0;
198
    p_sys->i_preroll_time = 2000;
199
    p_sys->i_bitrate    = 0;
200
    p_sys->i_seq        = 0;
201
202
203
204
205

    p_sys->b_write_header = VLC_TRUE;
    p_sys->i_track = 1;
    p_sys->i_packet_size = 4096;
    p_sys->i_packet_count= 0;
206
207

    /* Generate a random fid */
208
209
210
211
212
213
214
215
    srand( mdate() & 0xffffffff );
    p_sys->fid.v1 = 0xbabac001;
    p_sys->fid.v2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
    p_sys->fid.v3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
    for( i = 0; i < 8; i++ )
    {
        p_sys->fid.v4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
    }
216
217

    /* Meta data */
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
    var_Get( p_mux, SOUT_CFG_PREFIX "title", &val );
    p_sys->psz_title = val.psz_string;

    var_Get( p_mux, SOUT_CFG_PREFIX "author", &val );
    p_sys->psz_author = val.psz_string;

    var_Get( p_mux, SOUT_CFG_PREFIX "copyright", &val );
    p_sys->psz_copyright = val.psz_string;

    var_Get( p_mux, SOUT_CFG_PREFIX "comment", &val );
    p_sys->psz_comment = val.psz_string;

    var_Get( p_mux, SOUT_CFG_PREFIX "rating", &val );
    p_sys->psz_rating = val.psz_string;

233
234
    msg_Dbg( p_mux, "meta data: title='%s' author='%s' copyright='%s' "
             "comment='%s' rating='%s'",
235
236
             p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
             p_sys->psz_comment, p_sys->psz_rating );
237

238
239
240
241
242
243
244
245
246
247
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t * p_this )
{
    sout_mux_t     *p_mux = (sout_mux_t*)p_this;
    sout_mux_sys_t *p_sys = p_mux->p_sys;
248
    block_t  *out;
249
250
251
252
    int i;

    msg_Dbg( p_mux, "Asf muxer closed" );

253
254
255
256
257
    if( ( out = asf_stream_end_create( p_mux ) ) )
    {
        sout_AccessOutWrite( p_mux->p_access, out );
    }

258
259
260
    /* rewrite header */
    if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
    {
261
262
        out = asf_header_create( p_mux, VLC_FALSE );
        sout_AccessOutWrite( p_mux->p_access, out );
263
264
265
266
267
268
269
270
271
272
273
274
    }

    for( i = 1; i < p_sys->i_track; i++ )
    {
        free( p_sys->track[i].p_extra );
    }
    free( p_sys );
}

/*****************************************************************************
 * Capability:
 *****************************************************************************/
275
static int Control( sout_mux_t *p_mux, int i_query, va_list args )
276
{
277
278
279
280
    sout_mux_sys_t *p_sys = p_mux->p_sys;
    vlc_bool_t *pb_bool;
    char **ppsz;

281
282
    switch( i_query )
    {
283
284
       case MUX_CAN_ADD_STREAM_WHILE_MUXING:
           pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
285
286
           if( p_sys->b_asf_http ) *pb_bool = VLC_TRUE;
           else *pb_bool = VLC_FALSE;
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
           return VLC_SUCCESS;

       case MUX_GET_ADD_STREAM_WAIT:
           pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
           *pb_bool = VLC_FALSE;
           return VLC_SUCCESS;

       case MUX_GET_MIME:
           ppsz = (char**)va_arg( args, char ** );
           if( p_sys->b_asf_http )
               *ppsz = strdup( "video/x-ms-asf-stream" );
           else
               *ppsz = strdup( "video/x-ms-asf" );
           return VLC_SUCCESS;

302
        default:
303
            return VLC_EGENERIC;
304
    }
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
}

/*****************************************************************************
 * AddStream:
 *****************************************************************************/
static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
    sout_mux_sys_t   *p_sys = p_mux->p_sys;
    asf_track_t      *tk;
    bo_t             bo;

    msg_Dbg( p_mux, "adding input" );
    if( p_sys->i_track > 127 )
    {
        msg_Dbg( p_mux, "cannot add this track (too much track)" );
        return VLC_EGENERIC;
    }

    tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
    tk->i_id  = p_sys->i_track;
    tk->i_cat = p_input->p_fmt->i_cat;
    tk->i_sequence = 0;

    switch( tk->i_cat )
    {
        case AUDIO_ES:
        {
332
333
334
            int i_blockalign = p_input->p_fmt->audio.i_blockalign;
            int i_bitspersample = 0;
            int i_extra = 0;
335

336
            switch( p_input->p_fmt->i_codec )
337
338
            {
                case VLC_FOURCC( 'a', '5', '2', ' ' ):
339
340
                    tk->i_tag = WAVE_FORMAT_A52;
                    tk->psz_name = "A/52";
341
342
                    break;
                case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
343
#if 1
344
345
                    tk->psz_name = "MPEG Audio Layer 3";
                    tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
346
                    i_blockalign = 1;
347
                    i_extra = 12;
348
                    break;
349
#else
350
351
                    tk->psz_name = "MPEG Audio Layer 1/2";
                    tk->i_tag = WAVE_FORMAT_MPEG;
352
353
354
355
                    i_blockalign = 1;
                    i_extra = 22;
                    break;
#endif
356
                case VLC_FOURCC( 'w', 'm', 'a', '1' ):
357
358
                    tk->psz_name = "Windows Media Audio 1";
                    tk->i_tag = WAVE_FORMAT_WMA1;
359
360
                    break;
                case VLC_FOURCC( 'w', 'm', 'a', '2' ):
361
362
                    tk->psz_name = "Windows Media Audio 2";
                    tk->i_tag = WAVE_FORMAT_WMA2;
363
364
                    break;
                case VLC_FOURCC( 'w', 'm', 'a', '3' ):
365
366
                    tk->psz_name = "Windows Media Audio 3";
                    tk->i_tag = WAVE_FORMAT_WMA3;
367
368
369
                    break;
                    /* raw codec */
                case VLC_FOURCC( 'u', '8', ' ', ' ' ):
370
371
                    tk->psz_name = "Raw audio 8bits";
                    tk->i_tag = WAVE_FORMAT_PCM;
372
                    i_blockalign= p_input->p_fmt->audio.i_channels;
373
374
375
                    i_bitspersample = 8;
                    break;
                case VLC_FOURCC( 's', '1', '6', 'l' ):
376
377
                    tk->psz_name = "Raw audio 16bits";
                    tk->i_tag = WAVE_FORMAT_PCM;
378
                    i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
379
380
381
                    i_bitspersample = 16;
                    break;
                case VLC_FOURCC( 's', '2', '4', 'l' ):
382
383
                    tk->psz_name = "Raw audio 24bits";
                    tk->i_tag = WAVE_FORMAT_PCM;
384
                    i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
385
386
387
                    i_bitspersample = 24;
                    break;
                case VLC_FOURCC( 's', '3', '2', 'l' ):
388
389
                    tk->psz_name = "Raw audio 32bits";
                    tk->i_tag = WAVE_FORMAT_PCM;
390
                    i_blockalign= 4 * p_input->p_fmt->audio.i_channels;
391
392
393
394
395
396
                    i_bitspersample = 32;
                    break;
                default:
                    return VLC_EGENERIC;
            }

397

398
            tk->i_extra = sizeof( WAVEFORMATEX ) +
399
                          p_input->p_fmt->i_extra + i_extra;
400
401
            tk->p_extra = malloc( tk->i_extra );
            bo_init( &bo, tk->p_extra, tk->i_extra );
402
            bo_addle_u16( &bo, tk->i_tag );
403
404
            bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
            bo_addle_u32( &bo, p_input->p_fmt->audio.i_rate );
405
406
407
            bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
            bo_addle_u16( &bo, i_blockalign );
            bo_addle_u16( &bo, i_bitspersample );
408
            if( p_input->p_fmt->i_extra > 0 )
409
            {
410
411
412
                bo_addle_u16( &bo, p_input->p_fmt->i_extra );
                bo_add_mem  ( &bo, p_input->p_fmt->p_extra,
                              p_input->p_fmt->i_extra );
413
            }
414
415
416
            else
            {
                bo_addle_u16( &bo, i_extra );
417
                if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
418
                {
419
                    msg_Dbg( p_mux, "adding mp3 header" );
420
421
422
423
424
425
                    bo_addle_u16( &bo, 1 );     /* wId */
                    bo_addle_u32( &bo, 2 );     /* fdwFlags */
                    bo_addle_u16( &bo, 1152 );  /* nBlockSize */
                    bo_addle_u16( &bo, 1 );     /* nFramesPerBlock */
                    bo_addle_u16( &bo, 1393 );  /* nCodecDelay */
                }
426
                else if( tk->i_tag == WAVE_FORMAT_MPEG )
427
428
429
430
                {
                    msg_Dbg( p_mux, "adding mp2 header" );
                    bo_addle_u16( &bo, 2 );     /* fwHeadLayer */
                    bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
431
                    bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels == 2 ?1:8 );
432
433
434
435
436
437
                    bo_addle_u16( &bo, 0 );     /* fwHeadModeExt */
                    bo_addle_u16( &bo, 1 );     /* wHeadEmphasis */
                    bo_addle_u16( &bo, 16 );    /* fwHeadFlags */
                    bo_addle_u32( &bo, 0 );     /* dwPTSLow */
                    bo_addle_u32( &bo, 0 );     /* dwPTSHigh */
                }
438
439
            }

440
441
442
443
444
445
446
447
            if( p_input->p_fmt->i_bitrate > 24000 )
            {
                p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
            }
            else
            {
                p_sys->i_bitrate += 512000;
            }
448
449
450
451
452
            break;
        }
        case VIDEO_ES:
        {
            tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
453
                          p_input->p_fmt->i_extra;
454
455
            tk->p_extra = malloc( tk->i_extra );
            bo_init( &bo, tk->p_extra, tk->i_extra );
456
457
            bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
            bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
458
459
            bo_add_u8   ( &bo, 0x02 );  /* flags */
            bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
460
                               p_input->p_fmt->i_extra );
461
            bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
462
463
464
                               p_input->p_fmt->i_extra );
            bo_addle_u32( &bo, p_input->p_fmt->video.i_width );
            bo_addle_u32( &bo, p_input->p_fmt->video.i_height );
465
466
            bo_addle_u16( &bo, 1 );
            bo_addle_u16( &bo, 24 );
467
            if( p_input->p_fmt->i_codec == VLC_FOURCC('m','p','4','v') )
468
            {
469
470
                tk->psz_name = "MPEG-4 Video";
                tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
471
            }
472
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','3') )
473
            {
474
475
                tk->psz_name = "MSMPEG-4 V3 Video";
                tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
476
            }
477
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','2') )
478
            {
479
480
                tk->psz_name = "MSMPEG-4 V2 Video";
                tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
481
            }
482
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('D','I','V','1') )
483
            {
484
485
486
                tk->psz_name = "MSMPEG-4 V1 Video";
                tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
            }
487
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','1') )
488
489
490
491
            {
                tk->psz_name = "Windows Media Video 1";
                tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
            }
492
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','2') )
493
494
495
            {
                tk->psz_name = "Windows Media Video 2";
                tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
496
            }
497
498
499
500
501
            else if( p_input->p_fmt->i_codec == VLC_FOURCC('W','M','V','3') )
            {
                tk->psz_name = "Windows Media Video 3";
                tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
            }
502
503
            else
            {
Felix Paul Kühne's avatar
Felix Paul Kühne committed
504
                tk->psz_name = _("Unknown Video");
505
                tk->i_fourcc = p_input->p_fmt->i_codec;
506
            }
507
            bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
508
509
510
511
512
            bo_addle_u32( &bo, 0 );
            bo_addle_u32( &bo, 0 );
            bo_addle_u32( &bo, 0 );
            bo_addle_u32( &bo, 0 );
            bo_addle_u32( &bo, 0 );
513
            if( p_input->p_fmt->i_extra > 0 )
514
            {
515
516
                bo_add_mem  ( &bo, p_input->p_fmt->p_extra,
                              p_input->p_fmt->i_extra );
517
518
            }

519
520
521
522
523
524
525
526
            if( p_input->p_fmt->i_bitrate > 50000 )
            {
                p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
            }
            else
            {
                p_sys->i_bitrate += 1000000;
            }
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
            break;
        }
        default:
            msg_Err(p_mux, "unhandled track type" );
            return VLC_EGENERIC;
    }

    p_sys->i_track++;
    return VLC_SUCCESS;
}

/*****************************************************************************
 * DelStream:
 *****************************************************************************/
static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
{
    msg_Dbg( p_mux, "removing input" );
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Mux:
 *****************************************************************************/
550
static int Mux( sout_mux_t *p_mux )
551
552
553
554
555
{
    sout_mux_sys_t *p_sys = p_mux->p_sys;

    if( p_sys->b_write_header )
    {
556
        block_t *out = asf_header_create( p_mux, VLC_TRUE );
557

558
        out->i_flags |= BLOCK_FLAG_HEADER;
559
560
561
562
563
564
565
566
567
568
569
        sout_AccessOutWrite( p_mux->p_access, out );

        p_sys->b_write_header = VLC_FALSE;
    }

    for( ;; )
    {
        sout_input_t  *p_input;
        asf_track_t   *tk;
        int           i_stream;
        mtime_t       i_dts;
570
571
        block_t *data;
        block_t *pk;
572
573
574
575
576
577
578
579
580
581
582

        if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
        {
            /* not enough data */
            return VLC_SUCCESS;
        }

        if( p_sys->i_dts_first < 0 )
        {
            p_sys->i_dts_first = i_dts;
        }
583
584
585
586
        if( p_sys->i_dts_last < i_dts )
        {
            p_sys->i_dts_last = i_dts;
        }
587
588
589
590

        p_input = p_mux->pp_inputs[i_stream];
        tk      = (asf_track_t*)p_input->p_sys;

591
        data = block_FifoGet( p_input->p_fifo );
592
593
594
595
596
597
598
599
600
601

        if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
        {
            sout_AccessOutWrite( p_mux->p_access, pk );
        }
    }

    return VLC_SUCCESS;
}

602
static int MuxGetStream( sout_mux_t *p_mux, int *pi_stream, mtime_t *pi_dts )
603
604
605
606
607
608
609
610
{
    mtime_t i_dts;
    int     i_stream;
    int     i;

    for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
    {
        sout_input_t  *p_input = p_mux->pp_inputs[i];
611
        block_t *p_data;
612
613
614
615
616
617
618
619
620
621
622
623
624

        if( p_input->p_fifo->i_depth <= 0 )
        {
            if( p_input->p_fmt->i_cat == AUDIO_ES ||
                p_input->p_fmt->i_cat == VIDEO_ES )
            {
                /* We need that audio+video fifo contain at least 1 packet */
                return VLC_EGENERIC;
            }
            /* SPU */
            continue;
        }

625
        p_data = block_FifoShow( p_input->p_fifo );
626
        if( i_stream == -1 || p_data->i_dts < i_dts )
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
        {
            i_stream = i;
            i_dts    = p_data->i_dts;
        }
    }

    *pi_stream = i_stream;
    *pi_dts = i_dts;

    return VLC_SUCCESS;
}

/****************************************************************************
 * Asf header construction
 ****************************************************************************/

/****************************************************************************
 * Buffer out
 ****************************************************************************/
static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
{
    p_bo->i_buffer_size = i_size;
    p_bo->i_buffer = 0;
    p_bo->p_buffer = p_buffer;
}
static void bo_add_u8( bo_t *p_bo, uint8_t i )
{
    if( p_bo->i_buffer < p_bo->i_buffer_size )
    {
        p_bo->p_buffer[p_bo->i_buffer] = i;
    }
    p_bo->i_buffer++;
}
static void bo_addle_u16( bo_t *p_bo, uint16_t i )
{
    bo_add_u8( p_bo, i &0xff );
    bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
}
static void bo_addle_u32( bo_t *p_bo, uint32_t i )
{
    bo_addle_u16( p_bo, i &0xffff );
    bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
}
static void bo_addle_u64( bo_t *p_bo, uint64_t i )
{
    bo_addle_u32( p_bo, i &0xffffffff );
    bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
}

static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
{
    int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );

    if( i_copy > 0 )
    {
682
        memcpy( &p_bo->p_buffer[p_bo->i_buffer], p_mem, i_copy );
683
684
685
686
    }
    p_bo->i_buffer += i_size;
}

687
688
689
690
691
static void bo_addle_str16( bo_t *bo, char *str )
{
    bo_addle_u16( bo, strlen( str ) + 1 );
    for( ;; )
    {
692
        uint16_t c = (uint8_t)*str++;
693
        bo_addle_u16( bo, c );
694
        if( c == '\0' ) break;
695
696
697
    }
}

698
699
700
701
static void bo_addle_str16_nosize( bo_t *bo, char *str )
{
    for( ;; )
    {
702
        uint16_t c = (uint8_t)*str++;
703
        bo_addle_u16( bo, c );
704
        if( c == '\0' ) break;
705
706
707
    }
}

708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
/****************************************************************************
 * guid
 ****************************************************************************/
static void bo_add_guid( bo_t *p_bo, const guid_t *id )
{
    int i;
    bo_addle_u32( p_bo, id->v1 );
    bo_addle_u16( p_bo, id->v2 );
    bo_addle_u16( p_bo, id->v3 );
    for( i = 0; i < 8; i++ )
    {
        bo_add_u8( p_bo, id->v4[i] );
    }
}

static const guid_t asf_object_header_guid =
{
    0x75B22630,
    0x668E,
    0x11CF,
    { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
};
static const guid_t asf_object_data_guid =
{
    0x75B22636,
    0x668E,
    0x11CF,
    { 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
};
static const guid_t asf_object_file_properties_guid =
{
    0x8cabdca1,
    0xa947,
    0x11cf,
    { 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }

};
static const guid_t asf_object_stream_properties_guid =
{
    0xB7DC0791,
    0xA9B7,
    0x11CF,
    { 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }

};
static const guid_t asf_object_header_extention_guid =
{
   0x5FBF03B5,
   0xA92E,
   0x11CF,
   { 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
};
static const guid_t asf_object_stream_type_audio =
{
    0xF8699E40,
    0x5B4D,
    0x11CF,
    { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
};

static const guid_t asf_object_stream_type_video =
{
    0xbc19efc0,
    0x5B4D,
    0x11CF,
    { 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
};

static const guid_t asf_guid_audio_conceal_none =
{
    0x20FB5700,
    0x5B55,
    0x11CF,
    { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
};
static const guid_t asf_guid_video_conceal_none =
{
    0x20FB5700,
    0x5B55,
    0x11CF,
    { 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
};
static const guid_t asf_guid_reserved_1 =
{
    0xABD3D211,
    0xA9BA,
    0x11cf,
    { 0x8E, 0xE6,0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65 }
};
797
static const guid_t asf_object_codec_comment_guid =
798
799
800
801
802
803
{
    0x86D15240,
    0x311D,
    0x11D0,
    { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
};
804
static const guid_t asf_object_codec_comment_reserved_guid =
805
806
807
808
809
810
{
    0x86D15241,
    0x311D,
    0x11D0,
    { 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
};
811
812
813
814
815
816
817
static const guid_t asf_object_content_description_guid =
{
    0x75B22633,
    0x668E,
    0x11CF,
    { 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c }
};
818

819
820
821
822
823
824
825
826
827
828
static void asf_chunk_add( bo_t *bo,
                           int i_type, int i_len, int i_flags, int i_seq )
{
    bo_addle_u16( bo, i_type );
    bo_addle_u16( bo, i_len + 8 );
    bo_addle_u32( bo, i_seq );
    bo_addle_u16( bo, i_flags );
    bo_addle_u16( bo, i_len + 8 );
}

829
static block_t *asf_header_create( sout_mux_t *p_mux, vlc_bool_t b_broadcast )
830
831
832
833
{
    sout_mux_sys_t *p_sys = p_mux->p_sys;
    asf_track_t    *tk;

834
    mtime_t i_duration = 0;
835
    int i_size;
836
    int i_ci_size;
837
    int i_cd_size = 0;
838
    block_t *out;
839
840
    bo_t bo;
    int i;
841

842
843
    msg_Dbg( p_mux, "Asf muxer creating header" );

844
845
846
    if( p_sys->i_dts_first > 0 )
    {
        i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
847
        if( i_duration < 0 ) i_duration = 0;
848
849
    }

850
851
    /* calculate header size */
    i_size = 30 + 104 + 46;
852
    i_ci_size = 44;
853
854
855
    for( i = 1; i < p_sys->i_track; i++ )
    {
        i_size += 78 + p_sys->track[i].i_extra;
856
857
858
859
860
861
862
863
864
        i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
        if( p_sys->track[i].i_cat == AUDIO_ES )
        {
            i_ci_size += 4;
        }
        else if( p_sys->track[i].i_cat == VIDEO_ES )
        {
            i_ci_size += 6;
        }
865
    }
866

867
868
869
870
871
872
873
874
875
    if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
        *p_sys->psz_comment || *p_sys->psz_rating )
    {
        i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
                             strlen( p_sys->psz_author ) + 1 +
                             strlen( p_sys->psz_copyright ) + 1 +
                             strlen( p_sys->psz_comment ) + 1 +
                             strlen( p_sys->psz_rating ) + 1 );
    }
876

877
    i_size += i_ci_size + i_cd_size;
878

879
880
    if( p_sys->b_asf_http )
    {
881
        out = block_New( p_mux, i_size + 50 + 12 );
882
883
884
885
886
        bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
        asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
    }
    else
    {
887
        out = block_New( p_mux, i_size + 50 );
888
889
        bo_init( &bo, out->p_buffer, i_size + 50 );
    }
890

891
892
893
    /* header object */
    bo_add_guid ( &bo, &asf_object_header_guid );
    bo_addle_u64( &bo, i_size );
894
    bo_addle_u32( &bo, 2 + p_sys->i_track - 1 );
895
896
897
898
899
900
901
902
903
    bo_add_u8   ( &bo, 1 );
    bo_add_u8   ( &bo, 2 );

    /* sub object */

    /* file properties */
    bo_add_guid ( &bo, &asf_object_file_properties_guid );
    bo_addle_u64( &bo, 104 );
    bo_add_guid ( &bo, &p_sys->fid );
904
    bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
905
                                p_sys->i_packet_size ); /* file size */
906
    bo_addle_u64( &bo, 0 );                 /* creation date */
907
    bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
908
909
    bo_addle_u64( &bo, i_duration * 10 );   /* play duration (100ns) */
    bo_addle_u64( &bo, i_duration * 10 );   /* send duration (100ns) */
910
    bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
911
912
913
    bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x00);      /* flags */
    bo_addle_u32( &bo, p_sys->i_packet_size );  /* packet size min */
    bo_addle_u32( &bo, p_sys->i_packet_size );  /* packet size max */
914
    bo_addle_u32( &bo, p_sys->i_bitrate );      /* maxbitrate */
915
916
917
918
919
920
921
922

    /* header extention */
    bo_add_guid ( &bo, &asf_object_header_extention_guid );
    bo_addle_u64( &bo, 46 );
    bo_add_guid ( &bo, &asf_guid_reserved_1 );
    bo_addle_u16( &bo, 6 );
    bo_addle_u32( &bo, 0 );

923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
    /* content description header */
    if( i_cd_size > 0 )
    {
        bo_add_guid ( &bo, &asf_object_content_description_guid );
        bo_addle_u64( &bo, i_cd_size );
        bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
        bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
        bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
        bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
        bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );

        bo_addle_str16_nosize( &bo, p_sys->psz_title );
        bo_addle_str16_nosize( &bo, p_sys->psz_author );
        bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
        bo_addle_str16_nosize( &bo, p_sys->psz_comment );
        bo_addle_str16_nosize( &bo, p_sys->psz_rating );
    }

941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
    /* stream properties */
    for( i = 1; i < p_sys->i_track; i++ )
    {
        tk = &p_sys->track[i];

        bo_add_guid ( &bo, &asf_object_stream_properties_guid );
        bo_addle_u64( &bo, 78 + tk->i_extra );
        if( tk->i_cat == AUDIO_ES )
        {
            bo_add_guid( &bo, &asf_object_stream_type_audio );
            bo_add_guid( &bo, &asf_guid_audio_conceal_none );
        }
        else if( tk->i_cat == VIDEO_ES )
        {
            bo_add_guid( &bo, &asf_object_stream_type_video );
            bo_add_guid( &bo, &asf_guid_video_conceal_none );
        }
        bo_addle_u64( &bo, 0 );         /* time offset */
        bo_addle_u32( &bo, tk->i_extra );
        bo_addle_u32( &bo, 0 );         /* 0 */
        bo_addle_u16( &bo, tk->i_id );  /* stream number */
        bo_addle_u32( &bo, 0 );
        bo_add_mem  ( &bo, tk->p_extra, tk->i_extra );
    }

966
    /* Codec Infos */
967
    bo_add_guid ( &bo, &asf_object_codec_comment_guid );
968
    bo_addle_u64( &bo, i_ci_size );
969
    bo_add_guid ( &bo, &asf_object_codec_comment_reserved_guid );
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
    bo_addle_u32( &bo, p_sys->i_track - 1 );
    for( i = 1; i < p_sys->i_track; i++ )
    {
        tk = &p_sys->track[i];

        bo_addle_u16( &bo, tk->i_id );
        bo_addle_str16( &bo, tk->psz_name );
        bo_addle_u16( &bo, 0 );
        if( tk->i_cat == AUDIO_ES )
        {
            bo_addle_u16( &bo, 2 );
            bo_addle_u16( &bo, tk->i_tag );
        }
        else if( tk->i_cat == VIDEO_ES )
        {
            bo_addle_u16( &bo, 4 );
            bo_add_mem  ( &bo, (uint8_t*)&tk->i_fourcc, 4 );

        }
    }

991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
    /* data object */
    bo_add_guid ( &bo, &asf_object_data_guid );
    bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
    bo_add_guid ( &bo, &p_sys->fid );
    bo_addle_u64( &bo, p_sys->i_packet_count );
    bo_addle_u16( &bo, 0x101 );

    return out;
}

/****************************************************************************
 *
 ****************************************************************************/
1004
static block_t *asf_packet_create( sout_mux_t *p_mux,
1005
                                   asf_track_t *tk, block_t *data )
1006
1007
1008
{
    sout_mux_sys_t *p_sys = p_mux->p_sys;

1009
    int     i_data = data->i_buffer;
1010
1011
    int     i_pos  = 0;
    uint8_t *p_data= data->p_buffer;
1012
    block_t *first = NULL, **last = &first;
1013
    int     i_preheader = p_sys->b_asf_http ? 12 : 0;
1014
1015
1016

    while( i_pos < i_data )
    {
1017
1018
        bo_t bo;
        int i_payload;
1019
1020
1021

        if( p_sys->pk == NULL )
        {
1022
            p_sys->pk = block_New( p_mux, p_sys->i_packet_size + i_preheader );
1023
            /* reserve 14 bytes for the packet header */
1024
            p_sys->i_pk_used = 14 + i_preheader;
1025
1026
1027
1028
1029
            p_sys->i_pk_frame = 0;
            p_sys->i_pk_dts = data->i_dts;
        }

        bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
1030
                 p_sys->i_packet_size - p_sys->i_pk_used );
1031
1032
1033
1034
1035
1036
1037
1038
1039

        /* add payload (header size = 17) */
        i_payload = __MIN( i_data - i_pos,
                           p_sys->i_packet_size - p_sys->i_pk_used - 17 );
        bo_add_u8   ( &bo, 0x80 | tk->i_id );
        bo_add_u8   ( &bo, tk->i_sequence );
        bo_addle_u32( &bo, i_pos );
        bo_add_u8   ( &bo, 0x08 );  /* flags */
        bo_addle_u32( &bo, i_data );
1040
1041
        bo_addle_u32( &bo, (data->i_dts - p_sys->i_dts_first) / 1000 -
                      p_sys->i_preroll_time );
1042
1043
1044
1045
1046
1047
1048
        bo_addle_u16( &bo, i_payload );
        bo_add_mem  ( &bo, &p_data[i_pos], i_payload );
        i_pos += i_payload;
        p_sys->i_pk_used += 17 + i_payload;

        p_sys->i_pk_frame++;

1049
        if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
1050
1051
1052
1053
        {
            /* not enough data for another payload, flush the packet */
            int i_pad = p_sys->i_packet_size - p_sys->i_pk_used;

1054
1055
1056
1057
            bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );

            if( p_sys->b_asf_http )
            {
1058
1059
                asf_chunk_add( &bo, 0x4424, p_sys->i_packet_size,
                               0x00, p_sys->i_seq++);
1060
            }
1061
1062
1063
1064
1065
            bo_add_u8   ( &bo, 0x82 );
            bo_addle_u16( &bo, 0 );
            bo_add_u8( &bo, 0x11 );
            bo_add_u8( &bo, 0x5d );
            bo_addle_u16( &bo, i_pad );
1066
1067
            bo_addle_u32( &bo, (p_sys->i_pk_dts - p_sys->i_dts_first) / 1000 -
                          p_sys->i_preroll_time );
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
            bo_addle_u16( &bo, 0 * data->i_length / 1000 );
            bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );

            /* append the packet */
            *last = p_sys->pk;
            last  = &p_sys->pk->p_next;

            p_sys->pk = NULL;

            p_sys->i_packet_count++;
        }
    }

    tk->i_sequence++;
1082
    block_Release( data );
1083
1084
1085
1086

    return first;
}

1087
static block_t *asf_stream_end_create( sout_mux_t *p_mux )
1088
1089
1090
{
    sout_mux_sys_t *p_sys = p_mux->p_sys;

1091
    block_t *out = NULL;
1092
    bo_t bo;
1093

1094
1095
    if( p_sys->b_asf_http )
    {
1096
        out = block_New( p_mux, 12 );
1097
1098
1099
        bo_init( &bo, out->p_buffer, 12 );
        asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
    }
1100

1101
1102
    return out;
}