ts.c 49.9 KB
Newer Older
1
/*****************************************************************************
2
 * ts.c: MPEG-II TS Muxer
3
4
 *****************************************************************************
 * Copyright (C) 2001, 2002 VideoLAN
5
 * $Id: ts.c,v 1.32 2003/10/27 13:35:15 nitrox Exp $
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
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *          Eric Petit <titer@videolan.org>
 *
 *
 * 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"
#include "bits.h"
#include "pes.h"

39
#if defined MODULE_NAME_IS_mux_ts_dvbpsi
ipkiss's avatar
ipkiss committed
40
#   ifdef HAVE_DVBPSI_DR_H
41
42
43
44
45
#       include <dvbpsi/dvbpsi.h>
#       include <dvbpsi/descriptor.h>
#       include <dvbpsi/pat.h>
#       include <dvbpsi/pmt.h>
#       include <dvbpsi/dr.h>
46
#       include <dvbpsi/psi.h>
ipkiss's avatar
ipkiss committed
47
48
49
50
51
52
#   else
#       include "dvbpsi.h"
#       include "descriptor.h"
#       include "tables/pat.h"
#       include "tables/pmt.h"
#       include "descriptors/dr.h"
53
#       include "psi.h"
ipkiss's avatar
ipkiss committed
54
#   endif
55
56
#endif

57
58
59
60
61
/*
 * TODO:
 *  - check PCR frequency requirement
 *  - check PAT/PMT  "        "
 *  - check PCR/PCR "soft"
62
63
 *  - check if "registration" descriptor : "AC-3" should be a program
 *    descriptor or an es one. (xine want an es one)
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
 *
 *  - remove creation of PAT/PMT without dvbpsi
 *  - ?
 * FIXME:
 *  - subtitle support is far from perfect. I expect some subtitles drop
 *    if they arrive a bit late
 *    (We cannot rely on the fact that the fifo should be full)
 */
/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
static int     Open   ( vlc_object_t * );
static void    Close  ( vlc_object_t * );

vlc_module_begin();
#if defined MODULE_NAME_IS_mux_ts
    set_description( _("TS muxer") );
    set_capability( "sout mux", 100 );
    add_shortcut( "ts" );
    add_shortcut( "ts_nodvbpsi" );
#elif defined MODULE_NAME_IS_mux_ts_dvbpsi
    set_description( _("TS muxer (libdvbpsi)") );
    set_capability( "sout mux", 120 );
    add_shortcut( "ts" );
    add_shortcut( "ts_dvbpsi" );
#endif
    set_callbacks( Open, Close );
vlc_module_end();

/*****************************************************************************
 * Exported prototypes
 *****************************************************************************/
static int     Capability(sout_mux_t *, int, void *, void * );
static int     AddStream( sout_mux_t *, sout_input_t * );
static int     DelStream( sout_mux_t *, sout_input_t * );
static int     Mux      ( sout_mux_t * );

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
#define SOUT_BUFFER_FLAGS_PRIVATE_PCR_SOFT  ( 1 << SOUT_BUFFER_FLAGS_PRIVATE_SHIFT )
typedef struct
{
    int           i_depth;
    sout_buffer_t *p_first;
    sout_buffer_t **pp_last;
} sout_buffer_chain_t;

static inline void BufferChainInit  ( sout_buffer_chain_t *c )
{
    c->i_depth = 0;
    c->p_first = NULL;
    c->pp_last = &c->p_first;
}
static inline void BufferChainAppend( sout_buffer_chain_t *c, sout_buffer_t *b )
{
    *c->pp_last = b;
    c->i_depth++;

    while( b->p_next )
    {
        b = b->p_next;
        c->i_depth++;
    }
    c->pp_last = &b->p_next;
}
static inline sout_buffer_t *BufferChainGet( sout_buffer_chain_t *c )
{
    sout_buffer_t *b = c->p_first;

    if( b )
    {
        c->i_depth--;
        c->p_first = b->p_next;

        if( c->p_first == NULL )
        {
            c->pp_last = &c->p_first;
        }

        b->p_next = NULL;
    }
    return b;
}

149
150
151
152
153
154
typedef struct ts_stream_s
{
    int             i_pid;
    int             i_stream_type;
    int             i_stream_id;
    int             i_continuity_counter;
155

156
157
158
159
    /* to be used for carriege of DIV3 */
    vlc_fourcc_t    i_bih_codec;
    int             i_bih_width, i_bih_height;

160
161
162
    /* Specific to mpeg4 in mpeg2ts */
    int             i_es_id;

163
    int             i_decoder_specific_info;
164
    uint8_t         *p_decoder_specific_info;
165
166
167
168

    /* for TS building */
    sout_buffer_chain_t chain_ts;

169
170
} ts_stream_t;

171
struct sout_mux_sys_t
172
173
{
    int             i_pcr_pid;
174
175
    sout_input_t    *p_pcr_input;

176
177
178
179
180
181
182
183
184
185
186
187
188
189
    int             i_stream_id_mpga;
    int             i_stream_id_mpgv;

    int             i_audio_bound;
    int             i_video_bound;

    int             i_pid_free; // first usable pid

    int             i_pat_version_number;
    ts_stream_t     pat;

    int             i_pmt_version_number;
    ts_stream_t     pmt;        // Up to now only one program

190
191
    int             i_mpeg4_streams;

192
    int             i_null_continuity_counter;  /* Needed ? */
193

194
195
196
197
198
    /* for TS building */
    int64_t             i_bitrate_min;
    int64_t             i_bitrate_max;
    int64_t             i_pcr_delay;
    int64_t             i_pcr_soft_delay;
Laurent Aimar's avatar
Laurent Aimar committed
199

200
201
202
203
204
    mtime_t             i_pcr;  /* last PCR emited (for pcr-soft) */
    mtime_t             i_dts;
    mtime_t             i_length;
    sout_buffer_chain_t chain_ts;
};
205
206


207
/* Reserve a pid and return it */
208
static int  AllocatePID( sout_mux_sys_t *p_sys )
209
{
210
    return( ++p_sys->i_pid_free );
211
212
}

213
214
static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
215

216
217
static int  TSFill   ( sout_mux_t *, sout_input_t * );
static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, sout_buffer_t *, ts_stream_t *, vlc_bool_t );
218
static void TSSetDate( sout_buffer_chain_t *, mtime_t, mtime_t, mtime_t );
219
220
221
static void TSSetConstraints( sout_mux_t*, sout_buffer_chain_t *,
                              mtime_t i_length, int i_bitrate_min, int i_bitrate_max );

222
223
224
225
226
/*****************************************************************************
 * Open:
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
227
228
    sout_mux_t          *p_mux =(sout_mux_t*)p_this;
    sout_mux_sys_t      *p_sys;
229
    char                *val;
230

231
    msg_Dbg( p_mux, "Open" );
232

233
    p_sys = malloc( sizeof( sout_mux_sys_t ) );
234

235
236
237
238
239
240
    p_mux->pf_capacity  = Capability;
    p_mux->pf_addstream = AddStream;
    p_mux->pf_delstream = DelStream;
    p_mux->pf_mux       = Mux;
    p_mux->p_sys        = p_sys;
    p_mux->i_preheader  = 30; // really enough for a pes header
241

242
243
    srand( (uint32_t)mdate() );

244
245
    p_sys->i_stream_id_mpga = 0xc0;
    p_sys->i_stream_id_mpgv = 0xe0;
246

247
248
    p_sys->i_audio_bound = 0;
    p_sys->i_video_bound = 0;
249

250
251
252
    p_sys->i_pat_version_number = rand() % 32;
    p_sys->pat.i_pid = 0;
    p_sys->pat.i_continuity_counter = 0;
253

254
    p_sys->i_pmt_version_number = rand() % 32;
255
    p_sys->pmt.i_pid = 0x42;
256
    p_sys->pmt.i_continuity_counter = 0;
257

258
    p_sys->i_pid_free = 0x43;
259

260
    p_sys->i_pcr_pid = 0x1fff;
261
    p_sys->p_pcr_input = NULL;
262

263
    p_sys->i_mpeg4_streams = 0;
264

265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
    p_sys->i_null_continuity_counter = 0;

    /* Allow to create constrained stream */
    p_sys->i_bitrate_min = 0;
    p_sys->i_bitrate_max = 0;
    if( ( val = sout_cfg_find_value( p_mux->p_cfg, "bmin" ) ) )
    {
        p_sys->i_bitrate_min = atoll( val );
    }
    if( ( val = sout_cfg_find_value( p_mux->p_cfg, "bmax" ) ) )
    {
        p_sys->i_bitrate_max = atoll( val );
    }
    if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
        p_sys->i_bitrate_min > p_sys->i_bitrate_max )
    {
gbazin's avatar
   
gbazin committed
281
282
        msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
                 "disabling bitrate control" );
283
284
285
286
287
288
289
290
291
292
        p_sys->i_bitrate_min = 0;
        p_sys->i_bitrate_max = 0;
    }
    p_sys->i_pcr_delay = 100000;
    if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pcr" ) ) )
    {
        p_sys->i_pcr_delay = (int64_t)atoi( val ) * 1000;
        if( p_sys->i_pcr_delay <= 0 )
        {
            msg_Err( p_mux,
gbazin's avatar
   
gbazin committed
293
                     "invalid pcr delay ("I64Fd"ms) reseting to 100ms",
294
295
296
297
298
299
300
301
302
303
304
305
                     p_sys->i_pcr_delay / 1000 );
            p_sys->i_pcr_delay = 100000;
        }
    }
    p_sys->i_pcr_soft_delay = 0;
    if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pcr-soft" ) ) )
    {
        p_sys->i_pcr_soft_delay = (int64_t)atoi( val ) * 1000;
        if( p_sys->i_pcr_soft_delay <= 0 ||
            p_sys->i_pcr_soft_delay >= p_sys->i_pcr_delay )
        {
            msg_Err( p_mux,
gbazin's avatar
   
gbazin committed
306
                     "invalid pcr-soft delay ("I64Fd"ms) disabled",
307
308
309
310
311
                     p_sys->i_pcr_soft_delay / 1000 );
            p_sys->i_pcr_soft_delay = 0;
        }
    }

gbazin's avatar
   
gbazin committed
312
    msg_Dbg( p_mux, "pcr_delay="I64Fd" pcr_soft_delay="I64Fd,
313
             p_sys->i_pcr_delay, p_sys->i_pcr_soft_delay );
gbazin's avatar
   
gbazin committed
314

315
316
317
318
319
    /* for TS gnration */
    p_sys->i_pcr    = 0;
    p_sys->i_dts    = 0;
    p_sys->i_length = 0;
    BufferChainInit( &p_sys->chain_ts );
320
321
322
323
324
325
326
327
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t * p_this )
{
328
329
    sout_mux_t          *p_mux = (sout_mux_t*)p_this;
    sout_mux_sys_t      *p_sys = p_mux->p_sys;
330
    sout_buffer_t       *p_data;
331

332
333
334
335
336
337
338
    msg_Dbg( p_mux, "Close" );

    /* Empty TS buffer */
    while( ( p_data = BufferChainGet( &p_sys->chain_ts ) ) )
    {
        sout_BufferDelete( p_mux->p_sout, p_data );
    }
339

340
    free( p_sys );
341
342
}

343
344
345
/*****************************************************************************
 * Capability:
 *****************************************************************************/
346
static int Capability( sout_mux_t *p_mux, int i_query, void *p_args, void *p_answer )
347
348
349
350
351
352
353
354
355
356
{
   switch( i_query )
   {
        case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
            *(vlc_bool_t*)p_answer = VLC_TRUE;
            return( SOUT_MUX_CAP_ERR_OK );
        default:
            return( SOUT_MUX_CAP_ERR_UNIMPLEMENTED );
   }
}
357

358
359
360
/*****************************************************************************
 * AddStream: called for each stream addition
 *****************************************************************************/
361
static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
362
{
363
    sout_mux_sys_t      *p_sys = p_mux->p_sys;
364
365
    ts_stream_t         *p_stream;

366
367
    msg_Dbg( p_mux, "adding input codec=%4.4s", (char*)&p_input->p_fmt->i_fourcc );

368
    p_input->p_sys = (void*)p_stream = malloc( sizeof( ts_stream_t ) );
369

370
    /* Init this new stream */
371
    p_stream->i_pid = AllocatePID( p_sys );
372
373
374
    p_stream->i_continuity_counter    = 0;
    p_stream->i_decoder_specific_info = 0;
    p_stream->p_decoder_specific_info = NULL;
375

376
    /* All others fields depand on codec */
377
    switch( p_input->p_fmt->i_cat )
378
379
    {
        case VIDEO_ES:
380
            switch( p_input->p_fmt->i_fourcc )
381
382
            {
                case VLC_FOURCC( 'm', 'p','g', 'v' ):
383
                    /* TODO: do we need to check MPEG-I/II ? */
384
                    p_stream->i_stream_type = 0x02;
385
386
                    p_stream->i_stream_id = p_sys->i_stream_id_mpgv;
                    p_sys->i_stream_id_mpgv++;
387
388
389
390
                    break;
                case VLC_FOURCC( 'm', 'p','4', 'v' ):
                    p_stream->i_stream_type = 0x10;
                    p_stream->i_stream_id = 0xfa;
391
                    p_sys->i_mpeg4_streams++;
392
                    p_stream->i_es_id = p_stream->i_pid;
393
                    break;
394
395
396
397
                /* XXX dirty dirty but somebody want that : using crapy MS-codec XXX */
                /* I didn't want to do that :P */
                case VLC_FOURCC( 'H', '2', '6', '3' ):
                case VLC_FOURCC( 'I', '2', '6', '3' ):
398
                case VLC_FOURCC( 'W', 'M', 'V', '2' ):
399
400
401
402
                case VLC_FOURCC( 'W', 'M', 'V', '1' ):
                case VLC_FOURCC( 'D', 'I', 'V', '3' ):
                case VLC_FOURCC( 'D', 'I', 'V', '2' ):
                case VLC_FOURCC( 'D', 'I', 'V', '1' ):
403
                case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
404
405
                    p_stream->i_stream_type = 0xa0; // private
                    p_stream->i_stream_id = 0xa0;   // beurk
406
407
408
                    p_stream->i_bih_codec  = p_input->p_fmt->i_fourcc;
                    p_stream->i_bih_width  = p_input->p_fmt->i_width;
                    p_stream->i_bih_height = p_input->p_fmt->i_height;
409
                    break;
410
                default:
411
412
                    free( p_stream );
                    return VLC_EGENERIC;
413
            }
414
            p_sys->i_video_bound++;
415
            break;
416

417
        case AUDIO_ES:
418
            switch( p_input->p_fmt->i_fourcc )
419
            {
420
421
422
423
424
                case VLC_FOURCC( 'm', 'p','g', 'a' ):
                    p_stream->i_stream_type = p_input->p_fmt->i_sample_rate >= 32000 ? 0x03 : 0x04;
                    p_stream->i_stream_id = p_sys->i_stream_id_mpga;
                    p_sys->i_stream_id_mpga++;
                    break;
425
426
                case VLC_FOURCC( 'a', '5','2', ' ' ):
                    p_stream->i_stream_type = 0x81;
427
                    p_stream->i_stream_id = 0xbd;
428
429
430
431
                    break;
                case VLC_FOURCC( 'm', 'p','4', 'a' ):
                    p_stream->i_stream_type = 0x11;
                    p_stream->i_stream_id = 0xfa;
432
                    p_sys->i_mpeg4_streams++;
433
                    p_stream->i_es_id = p_stream->i_pid;
434
435
                    break;
                default:
436
437
                    free( p_stream );
                    return VLC_EGENERIC;
438
            }
439
            p_sys->i_audio_bound++;
440
            break;
441

442
443
        case SPU_ES:
            switch( p_input->p_fmt->i_fourcc )
444
            {
445
446
447
448
449
450
451
                case VLC_FOURCC( 's', 'p','u', ' ' ):
                    p_stream->i_stream_type = 0x82;
                    p_stream->i_stream_id = 0x82;
                    break;
                default:
                    free( p_stream );
                    return VLC_EGENERIC;
452
            }
453
            break;
454

455
        default:
456
457
            free( p_stream );
            return VLC_EGENERIC;
458
459
    }

460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
    /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
    p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra_data;
    if( p_stream->i_decoder_specific_info > 0 )
    {
        p_stream->p_decoder_specific_info =
            malloc( p_stream->i_decoder_specific_info );
        memcpy( p_stream->p_decoder_specific_info,
                p_input->p_fmt->p_extra_data,
                p_input->p_fmt->i_extra_data );
    }
    /* Init chain for TS building */
    BufferChainInit( &p_stream->chain_ts );

    /* We only change PMT version (PAT isn't changed) */
    p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;

    /* Update pcr_pid */
    if( p_input->p_fmt->i_cat != SPU_ES &&
        ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
    {
        sout_buffer_t *p_data;

        if( p_sys->p_pcr_input )
        {
            /* There was already a PCR stream, so clean context */
            ts_stream_t   *p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;

            while( ( p_data = BufferChainGet( &p_pcr_stream->chain_ts ) ) )
            {
                sout_BufferDelete( p_mux->p_sout, p_data );
            }
        }
        p_sys->i_pcr_pid   = p_stream->i_pid;
        p_sys->p_pcr_input = p_input;
494

495
        /* Empty TS buffer (avoid broken data/problems with pcr stream changement ) */
496
497
498
499
500
501
502
        while( ( p_data = BufferChainGet( &p_sys->chain_ts ) ) )
        {
            sout_BufferDelete( p_mux->p_sout, p_data );
        }
    }

    return VLC_SUCCESS;
503
504
}

505
506
507
/*****************************************************************************
 * DelStream: called before a stream deletion
 *****************************************************************************/
508
static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
509
{
510
511
    sout_mux_sys_t  *p_sys = p_mux->p_sys;
    ts_stream_t     *p_stream;
512
    sout_buffer_t   *p_data;
513

514
515
    msg_Dbg( p_mux, "removing input" );
    p_stream = (ts_stream_t*)p_input->p_sys;
516

517
518
519
520
521
522
    if( p_sys->i_pcr_pid == p_stream->i_pid )
    {
        int i;

        /* Find a new pcr stream (Prefer Video Stream) */
        p_sys->i_pcr_pid = 0x1fff;
523
        p_sys->p_pcr_input = NULL;
524
525
526
527
528
529
530
531
532
        for( i = 0; i < p_mux->i_nb_inputs; i++ )
        {
            if( p_mux->pp_inputs[i] == p_input )
            {
                continue;
            }

            if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
            {
533
534
                p_sys->i_pcr_pid  =
                    ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
535
536
537
                p_sys->p_pcr_input= p_mux->pp_inputs[i];
                break;
            }
538
539
            else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
                     p_sys->i_pcr_pid == 0x1fff )
540
            {
541
542
                p_sys->i_pcr_pid  =
                    ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
                p_sys->p_pcr_input= p_mux->pp_inputs[i];
            }
        }
        if( p_sys->p_pcr_input )
        {
            /* Empty TS buffer */
            while( ( p_data = BufferChainGet( &((ts_stream_t*)p_sys->p_pcr_input->p_sys)->chain_ts ) ) )
            {
                sout_BufferDelete( p_mux->p_sout, p_data );
            }
        }
    }

    /* Empty all data in chain_ts */
    while( ( p_data = BufferChainGet( &p_stream->chain_ts ) ) )
    {
        sout_BufferDelete( p_mux->p_sout, p_data );
    }
561
562
563
564
565
566
    if( p_stream->p_decoder_specific_info )
    {
        free( p_stream->p_decoder_specific_info );
    }
    if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
    {
567
        p_sys->i_mpeg4_streams--;
568
    }
Laurent Aimar's avatar
Laurent Aimar committed
569
570
    free( p_stream );

571
    /* We only change PMT version (PAT isn't changed) */
572
    p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
573

574
    /*Empty TS buffer (avoid broken data/problems with pcr stream changement) */
575
576
577
578
579
580
    while( ( p_data = BufferChainGet( &p_sys->chain_ts ) ) )
    {
        sout_BufferDelete( p_mux->p_sout, p_data );
    }

    return VLC_SUCCESS;
581
582
}

583
584
585
586
587
588
589
590
/*****************************************************************************
 * Mux: Call each time there is new data for at least one stream
 *****************************************************************************
 *
 *****************************************************************************/
static int Mux( sout_mux_t *p_mux )
{
    sout_mux_sys_t  *p_sys = p_mux->p_sys;
591

592
593
    sout_input_t    *p_pcr_input = p_sys->p_pcr_input;
    ts_stream_t     *p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
594

595
596
597
598
599
600
    if( p_sys->i_pcr_pid == 0x1fff )
    {
        msg_Dbg( p_mux, "waiting PCR streams" );
        msleep( 1000 );
        return VLC_SUCCESS;
    }
601

602
    for( ;; )
603
    {
604
605
        ts_stream_t   *p_stream = NULL;
        sout_buffer_t *p_data;
606

607
608
        int     i_stream, i;
        mtime_t i_dts;
609

610
611
        /* fill ts packets for pcr XXX before GetPAT/GetPMT */
        if( p_pcr_stream->chain_ts.p_first == NULL && TSFill( p_mux, p_pcr_input ) )
612
        {
613
614
615
            /* We need more data */
            return VLC_SUCCESS;
        }
616

617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
        if( p_sys->chain_ts.p_first == NULL  )
        {
            /* Every pcr packet send PAT/PMT */
            GetPAT( p_mux, &p_sys->chain_ts);
            GetPMT( p_mux, &p_sys->chain_ts );
        }

        /* search stream with lowest dts */
        for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
        {
            p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;

            if( p_stream->chain_ts.p_first == NULL )
            {
                if( TSFill( p_mux, p_mux->pp_inputs[i] ) )
                {
                    /* We need more data */
                    return VLC_SUCCESS;
                }
                if( p_stream->chain_ts.p_first == NULL )
                {
                    continue; /* SPU_ES */
                }
            }

            if( i_stream == -1 ||
                p_stream->chain_ts.p_first->i_dts < i_dts )
644
645
            {
                i_stream = i;
646
                i_dts = p_stream->chain_ts.p_first->i_dts;
647
648
            }
        }
649
650
651
652
653
654
655

        p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;

        p_data = BufferChainGet( &p_stream->chain_ts );
        BufferChainAppend( &p_sys->chain_ts, p_data );

        if( p_stream->i_pid == p_pcr_stream->i_pid && p_stream->chain_ts.p_first == NULL )
656
        {
657
            sout_buffer_t *p_ts = p_sys->chain_ts.p_first;
658

659
            /* We have consume all TS packets from the PCR stream */
660

661
662
663
            if( p_sys->i_length > p_sys->i_pcr_delay )
            {
                /* Send TS data if last PCR was i_pcr_delay ago */
664

665
666
667
668
669
670
                if( p_sys->i_bitrate_min > 0 ||
                    p_sys->i_bitrate_max > 0 )
                {
                    TSSetConstraints( p_mux, &p_sys->chain_ts, p_sys->i_length,
                                      p_sys->i_bitrate_min, p_sys->i_bitrate_max );
                }
671

672
673
                /* Send all data */
                TSSetDate( &p_sys->chain_ts,
674
675
676
                           p_sys->i_dts,
                           p_sys->i_length,
                           3 * p_sys->i_pcr_delay/2 );  /* latency is equal to i_pcr_delay
677
                                                         3/2 is for security */
678
                sout_AccessOutWrite( p_mux->p_access, p_ts );
679

680
681
                /* Reset the ts chain */
                BufferChainInit( &p_sys->chain_ts );
682

683
684
685
                p_sys->i_length = 0;
            }
        }
686
687
    }

688
689
    return VLC_SUCCESS;
}
690
691
692



693
694
695
696
697
698
699
/*****************************************************************************
 *
 *
 *****************************************************************************/
static int TSFill( sout_mux_t *p_mux, sout_input_t *p_input )
{
    sout_mux_sys_t  *p_sys = p_mux->p_sys;
700

701
702
    ts_stream_t     *p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
    ts_stream_t     *p_stream = (ts_stream_t*)p_input->p_sys;
703
704
    mtime_t         i_dts, i_length;
    sout_buffer_t   *p_data;
705
706
    vlc_bool_t      b_pcr = VLC_FALSE;
    vlc_bool_t      b_pcr_soft = VLC_FALSE;
707
708


709
710
    for( ;; )
    {
711
        if( p_input->p_fifo->i_depth <= 1 )
712
        {
713
714
            if( p_input->p_fmt->i_cat == AUDIO_ES ||
                p_input->p_fmt->i_cat == VIDEO_ES )
715
            {
716
717
                /* We need more data */
                return VLC_EGENERIC;
718
            }
719
            else if( p_input->p_fifo->i_depth <= 0 )
720
            {
721
                /* spu, only one packet is needed */
722
                return VLC_SUCCESS;
723
            }
724
725
726
727
        }
        p_data = sout_FifoGet( p_input->p_fifo );
        i_dts    = p_data->i_dts;
        i_length = p_data->i_length;
728

729
730
731
        if(  p_stream->i_pid == p_pcr_stream->i_pid &&
             p_stream->chain_ts.p_first == NULL )
        {
732
733
            /* I need that length == dts_next - dts, but be carefull if
             * some dts are broken length >= 0.5s are suspicious */
734
735
736
737
738
739
            sout_buffer_t   *p_next;
            mtime_t         i_dts_next;

            p_next = sout_FifoShow( p_input->p_fifo );
            i_dts_next = p_next->i_dts;

740
741
742
743
744
            if( i_dts_next > i_dts &&
                i_dts_next - i_dts < (mtime_t)500000 )
            {
                i_length = i_dts_next - i_dts;
            }
745
746
            p_sys->i_length+= i_length;
            if( p_sys->chain_ts.p_first == NULL )
747
            {
748
749
750
                p_sys->i_dts    = i_dts;
                p_sys->i_pcr    = i_dts;
                b_pcr = VLC_TRUE;
751
            }
752
753
754
755
756
757
758
759
            else if( p_sys->i_pcr_soft_delay > 0 &&
                     p_sys->i_pcr + p_sys->i_pcr_soft_delay < i_dts )
            {
                p_sys->i_pcr    = i_dts;
                b_pcr = VLC_TRUE;
                b_pcr_soft = VLC_TRUE;
            }
            break;
760
        }
761

gbazin's avatar
   
gbazin committed
762
        if( ( p_sys->i_dts + p_sys->i_length ) - i_dts > 2000000 ||
763
            ( p_sys->i_dts + p_sys->i_length ) - i_dts < -2000000 )
764
        {
gbazin's avatar
   
gbazin committed
765
766
            msg_Err( p_mux, "| buffer_dts - pcr_pts | > 2s ("I64Fd") empting "
                     "pcr TS buffers", p_sys->i_dts + p_sys->i_length - i_dts);
767

768
769
770
            sout_BufferDelete( p_mux->p_sout, p_data );

            while( ( p_data = BufferChainGet( &p_pcr_stream->chain_ts ) ) )
771
            {
772
                sout_BufferDelete( p_mux->p_sout, p_data );
773
            }
774
            while( ( p_data = BufferChainGet( &p_sys->chain_ts ) ) )
775
            {
776
                sout_BufferDelete( p_mux->p_sout, p_data );
777
            }
778
779
780
781
782
783
            return VLC_EGENERIC;
        }

        if( i_dts >= p_sys->i_dts )
        {
            break;
784
        }
785

gbazin's avatar
   
gbazin committed
786
        msg_Dbg( p_mux, "dropping buffer size=%d dts="I64Fd" pcr_dts="I64Fd
gbazin's avatar
   
gbazin committed
787
788
                 " diff="I64Fd, p_data->i_size, i_dts, p_sys->i_dts,
                 p_sys->i_dts + p_sys->i_length - i_dts );
789
790
791
792
793
794
795
796
        sout_BufferDelete( p_mux->p_sout, p_data );
    }

    E_( EStoPES )( p_mux->p_sout, &p_data, p_data, p_stream->i_stream_id, 1);

    BufferChainInit( &p_stream->chain_ts );
    PEStoTS( p_mux->p_sout, &p_stream->chain_ts, p_data, p_stream, b_pcr );

797
    TSSetDate( &p_stream->chain_ts, i_dts, i_length, 0 );
798
799
800

    if( b_pcr_soft && p_stream->chain_ts.p_first )
    {
801
        p_stream->chain_ts.p_first->i_flags=SOUT_BUFFER_FLAGS_PRIVATE_PCR_SOFT;
802
803
    }

804
    return VLC_SUCCESS;
805
806
}

807
static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c, mtime_t i_length, int i_bitrate_min, int i_bitrate_max )
808
{
809
810
811
812
813
814
    sout_mux_sys_t  *p_sys = p_mux->p_sys;
    sout_buffer_chain_t s = *c;

    int i_packets = 0;
    int i_packets_min = 0;
    int i_packets_max = 0;
815

816
    if( i_length <= 0 )
817
    {
818
        return;
819
820
    }

821
822
823
824
825
    i_packets     = c->i_depth;
    i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
    i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;

    if( i_packets < i_packets_min && i_packets_min > 0 )
826
    {
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
        sout_buffer_t *p_pk;
        int i_div = ( i_packets_min - i_packets ) / i_packets;
        int i_mod = ( i_packets_min - i_packets ) % i_packets;
        int i_rest = 0;

        /* We need to pad with null packets (pid=0x1fff)
         * We try to melt null packets with true packets */
        msg_Dbg( p_mux,
                 "packets=%d but min=%d -> adding %d packets of padding",
                 i_packets, i_packets_min, i_packets_min - i_packets );

        BufferChainInit( c );
        while( ( p_pk = BufferChainGet( &s ) ) )
        {
            int i, i_null;

            BufferChainAppend( c, p_pk );

            i_null = i_div + ( i_rest + i_mod ) / i_packets;

            for( i = 0; i < i_null; i++ )
            {
                sout_buffer_t *p_null;

                p_null = sout_BufferNew( p_mux->p_sout, 188 );
                p_null->p_buffer[0] = 0x47;
                p_null->p_buffer[1] = 0x1f;
                p_null->p_buffer[2] = 0xff;
                p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
                memset( &p_null->p_buffer[4], 0, 184 );
                p_sys->i_null_continuity_counter =
                    ( p_sys->i_null_continuity_counter + 1 ) % 16;

                BufferChainAppend( c, p_null );
            }
862

863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
            i_rest = ( i_rest + i_mod ) % i_packets;
        }
    }
    else if( i_packets > i_packets_max && i_packets_max > 0 )
    {
        sout_buffer_t *p_pk;
        int           i;

        /* Arg, we need to drop packets, I don't do something clever (like
         * dropping complete pid, b frames, ... ), I just get the right amount
         * of packets and discard the others */
        msg_Warn( p_mux,
                  "packets=%d but max=%d -> removing %d packets -> stream broken",
                  i_packets, i_packets_max, i_packets - i_packets_max );

        BufferChainInit( c );
        for( i = 0; i < i_packets_max; i++ )
        {
            BufferChainAppend( c, BufferChainGet( &s ) );
        }

        while( ( p_pk = BufferChainGet( &s ) ) )
        {
            sout_BufferDelete( p_mux->p_sout, p_pk );
        }
888
889
890
    }
}

891
892
static void TSSetDate( sout_buffer_chain_t *c,
                       mtime_t i_dts, mtime_t i_length, mtime_t i_send_offset )
893
{
894
895
896
    sout_buffer_t *p_ts;
    mtime_t       i_delta = i_length / c->i_depth;
    int           i_packet = 0;
897

898
    for( p_ts = c->p_first; p_ts != NULL; p_ts = p_ts->p_next )
899
    {
900
901
        p_ts->i_dts    = i_dts + i_packet * i_length / c->i_depth;  /* avoid rounding error */
        p_ts->i_length = i_delta;
902

903
        if( p_ts->i_flags&SOUT_BUFFER_FLAGS_PRIVATE_PCR_SOFT )
904
        {
905
906
907
908
909
910
911
            mtime_t i_pcr = 9 * p_ts->i_dts / 100;

            p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
            p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
            p_ts->p_buffer[8] = ( i_pcr >> 9  )&0xff;
            p_ts->p_buffer[9] = ( i_pcr >> 1  )&0xff;
            p_ts->p_buffer[10]= ( i_pcr << 7  )&0x80;
912
        }
913
        p_ts->i_dts += i_send_offset;
914

915
916
917
        i_packet++;
    }
}
918

919
920
921
922
923
924
925
926
static void PEStoTS( sout_instance_t *p_sout,
                     sout_buffer_chain_t *c, sout_buffer_t *p_pes,
                     ts_stream_t *p_stream,
                     vlc_bool_t b_pcr )
{
    uint8_t *p_data;
    int     i_size;
    int     b_new_pes;
927

928
929
930
    /* get PES total size */
    i_size = p_pes->i_size;
    p_data = p_pes->p_buffer;
931

932
933
934
935
936
    /* Set pcr only with valid DTS */
    if( p_pes->i_dts <= 0 )
    {
        b_pcr = VLC_FALSE;
    }
937

938
939
940
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
966
967
968
969
970
971
972
973
    b_new_pes = VLC_TRUE;

    for( ;; )
    {
        int           b_adaptation_field;
        int           i_payload;
        int           i_copy;
        sout_buffer_t *p_ts;

        p_ts = sout_BufferNew( p_sout, 188 );
        /* write header
         * 8b   0x47    sync byte
         * 1b           transport_error_indicator
         * 1b           payload_unit_start
         * 1b           transport_priority
         * 13b          pid
         * 2b           transport_scrambling_control
         * 2b           if adaptation_field 0x03 else 0x01
         * 4b           continuity_counter
         */

        i_payload = 184 - ( b_pcr ? 8 : 0 );
        i_copy    = __MIN( i_size, i_payload );
        b_adaptation_field = (b_pcr||i_size<i_payload) ? VLC_TRUE : VLC_FALSE;

        p_ts->p_buffer[0] = 0x47;
        p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
                            ( ( p_stream->i_pid >> 8 )&0x1f );
        p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
        p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
                            p_stream->i_continuity_counter;

        b_new_pes = VLC_FALSE;
        p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;

        if( b_adaptation_field )
974
        {
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
            int i;

            if( b_pcr )
            {
                mtime_t i_pcr = p_pes->i_dts * 9 / 100;
                int     i_stuffing = i_payload - i_copy;

                p_ts->p_buffer[4] = 7 + i_stuffing;
                p_ts->p_buffer[5] = 0x10;   /* flags */
                p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
                p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
                p_ts->p_buffer[8] = ( i_pcr >> 9  )&0xff;
                p_ts->p_buffer[9] = ( i_pcr >> 1  )&0xff;
                p_ts->p_buffer[10]= ( i_pcr << 7  )&0x80;
                p_ts->p_buffer[11]= 0;

                b_pcr = VLC_FALSE;
                for( i = 12; i < 12 + i_stuffing; i++ )
                {
                    p_ts->p_buffer[i] = 0xff;
                }
            }
            else
            {
                int i_stuffing = i_payload - i_copy;

                p_ts->p_buffer[4] = i_stuffing - 1;
                if( i_stuffing > 1 )
                {
                    p_ts->p_buffer[5] = 0x00;
                    for( i = 6; i < 6 + i_stuffing - 2; i++ )
                    {
                        p_ts->p_buffer[i] = 0xff;
                    }
                }
            }
1011
        }
1012
1013
1014
1015
        /* copy payload */
        memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
        p_data += i_copy;
        i_size -= i_copy;
1016

1017
        BufferChainAppend( c, p_ts );
1018

1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
        if( i_size <= 0 )
        {
            sout_buffer_t *p_next = p_pes->p_next;

            p_pes->p_next = NULL;
            sout_BufferDelete( p_sout, p_pes );
            if( p_next == NULL )
            {
                break;
            }
            b_new_pes = VLC_TRUE;
            p_pes = p_next;
            i_size = p_pes->i_size;
            p_data = p_pes->p_buffer;
        }
1034
1035
    }

1036
    return;
1037
1038
}

gbazin's avatar
   
gbazin committed
1039
#if defined MODULE_NAME_IS_mux_ts
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
static uint32_t CalculateCRC( uint8_t *p_begin, int i_count )
{
    static uint32_t CRC32[256] =
    {
        0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9,
        0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
        0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
        0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
        0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9,
        0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
        0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011,
        0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
        0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
        0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
        0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81,
        0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
        0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49,
        0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
        0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
        0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
        0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae,
        0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
        0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
        0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca,
        0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
        0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
        0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066,
        0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
        0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e,
        0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
        0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
        0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
        0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
        0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
        0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686,
        0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
        0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
        0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
        0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f,
        0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
        0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47,
        0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
        0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
        0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
        0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7,
        0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
        0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f,
        0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
        0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
        0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
        0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f,
        0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
        0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
        0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
        0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
        0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
        0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30,
        0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
        0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088,
        0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
        0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
        0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
        0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
        0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
        0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0,
        0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
        0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
        0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
    };

    uint32_t i_crc = 0xffffffff;

    /* Calculate the CRC */
    while( i_count > 0 )
    {
        i_crc = (i_crc<<8) ^ CRC32[ (i_crc>>24) ^ ((uint32_t)*p_begin) ];
        p_begin++;
        i_count--;
    }

    return( i_crc );
}

1123
1124
static void GetPAT( sout_mux_t *p_mux,
                    sout_buffer_chain_t *c )
1125
{
1126
    sout_mux_sys_t      *p_sys = p_mux->p_sys;
1127
1128
1129
    sout_buffer_t       *p_pat;
    bits_buffer_t bits;

1130
    p_pat = sout_BufferNew( p_mux->p_sout, 1024 );
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141

    p_pat->i_pts = 0;
    p_pat->i_dts = 0;
    p_pat->i_length = 0;

    bits_initwrite( &bits, 1024, p_pat->p_buffer );

    bits_write( &bits, 8, 0 );      // pointer
    bits_write( &bits, 8, 0x00 );   // table id
    bits_write( &bits, 1,  1 );     // section_syntax_indicator
    bits_write( &bits, 1,  0 );     // 0
1142
    bits_write( &bits, 2,  0x03 );     // reserved FIXME
1143
1144
    bits_write( &bits, 12, 13 );    // XXX for one program only XXX 
    bits_write( &bits, 16, 0x01 );  // FIXME stream id
1145
    bits_write( &bits, 2,  0x03 );     //  FIXME
1146
    bits_write( &bits, 5,  p_sys->i_pat_version_number );
1147
1148
1149
1150
1151
    bits_write( &bits, 1,  1 );     // current_next_indicator
    bits_write( &bits, 8,  0 );     // section number
    bits_write( &bits, 8,  0 );     // last section number

    bits_write( &bits, 16, 1 );     // program number
1152
    bits_write( &bits,  3, 0x07 );     // reserved
1153
    bits_write( &bits, 13, p_sys->pmt.i_pid );  // program map pid
1154

1155
    bits_write( &bits, 32, CalculateCRC( bits.p_data + 1, bits.i_data - 1) );
1156
1157
1158

    p_pat->i_size = bits.i_data;

1159
    PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat, VLC_FALSE );
1160
1161
}

1162
1163
static void GetPMT( sout_mux_t *p_mux,
                    sout_buffer_chain_t *c )
1164
{
1165
    sout_mux_sys_t      *p_sys = p_mux->p_sys;
1166
1167
1168
1169
    sout_buffer_t       *p_pmt;
    bits_buffer_t bits;
    int           i_stream;

1170
    p_pmt = sout_BufferNew( p_mux->p_sout, 1024 );
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182

    p_pmt->i_pts = 0;
    p_pmt->i_dts = 0;
    p_pmt->i_length = 0;

    bits_initwrite( &bits, 1024, p_pmt->p_buffer );

    bits_write( &bits, 8, 0 );      // pointer
    bits_write( &bits, 8, 0x02 );   // table id
    bits_write( &bits, 1,  1 );     // section_syntax_indicator
    bits_write( &bits, 1,  0 );     // 0
    bits_write( &bits, 2,  0 );     // reserved FIXME
1183
    bits_write( &bits, 12, 13 + 5 * p_mux->i_nb_inputs );
1184
1185
    bits_write( &bits, 16, 1 );     // FIXME program number
    bits_write( &bits, 2,  0 );     //  FIXME
1186
    bits_write( &bits, 5,  p_sys->i_pmt_version_number );
gbazin's avatar
   
gbazin committed
1187
    bits_write( &bits, 1,  1 );     // current_next_indicator
1188
1189
1190
1191
1192
    bits_write( &bits, 8,  0 );     // section number
    bits_write( &bits, 8,  0 );     // last section number

    bits_write( &bits,  3, 0 );     // reserved

1193
    bits_write( &bits, 13, p_sys->i_pcr_pid );     //  FIXME FXIME PCR_PID FIXME
1194
1195
1196
1197
    bits_write( &bits,  4, 0 );     // reserved FIXME

    bits_write( &bits, 12, 0 );    // program info len FIXME