git.sesse.net Git - vlc/blob - modules/mux/mpeg/ts.c

   1 /*****************************************************************************
   2  * ts.c: MPEG-II TS Muxer
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Eric Petit <titer@videolan.org>
   9  *
  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.
  14  *
  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.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdlib.h>
  29
  30 #include <vlc/vlc.h>
  31 #include <vlc/input.h>
  32 #include <vlc/sout.h>
  33
  34 #include "iso_lang.h"
  35
  36 #include "bits.h"
  37 #include "pes.h"
  38 #include "csa.h"
  39
  40 #ifdef HAVE_DVBPSI_DR_H
  41 #   include <dvbpsi/dvbpsi.h>
  42 #   include <dvbpsi/descriptor.h>
  43 #   include <dvbpsi/pat.h>
  44 #   include <dvbpsi/pmt.h>
  45 #   include <dvbpsi/dr.h>
  46 #   include <dvbpsi/psi.h>
  47 #else
  48 #   include "dvbpsi.h"
  49 #   include "descriptor.h"
  50 #   include "tables/pat.h"
  51 #   include "tables/pmt.h"
  52 #   include "descriptors/dr.h"
  53 #   include "psi.h"
  54 #endif
  55
  56 /*
  57  * TODO:
  58  *  - check PCR frequency requirement
  59  *  - check PAT/PMT  "        "
  60  *  - check PCR/PCR "soft"
  61  *  - check if "registration" descriptor : "AC-3" should be a program
  62  *    descriptor or an es one. (xine want an es one)
  63  *
  64  *  - remove creation of PAT/PMT without dvbpsi
  65  *  - ?
  66  * FIXME:
  67  *  - subtitle support is far from perfect. I expect some subtitles drop
  68  *    if they arrive a bit late
  69  *    (We cannot rely on the fact that the fifo should be full)
  70  */
  71 /*****************************************************************************
  72  * Module descriptor
  73  *****************************************************************************/
  74 static int     Open   ( vlc_object_t * );
  75 static void    Close  ( vlc_object_t * );
  76
  77 #define VPID_TEXT N_("Video PID")
  78 #define VPID_LONGTEXT N_("Assigns a fixed PID to the video stream. The PCR " \
  79   "PID will automatically be the video.")
  80 #define APID_TEXT N_("Audio PID")
  81 #define APID_LONGTEXT N_("Assigns a fixed PID to the audio stream.")
  82 #define SPUPID_TEXT N_("SPU PID")
  83 #define SPUPID_LONGTEXT N_("Assigns a fixed PID to the SPU.")
  84 #define PMTPID_TEXT N_("PMT PID")
  85 #define PMTPID_LONGTEXT N_("Assigns a fixed PID to the PMT")
  86 #define TSID_TEXT N_("TS ID")
  87 #define TSID_LONGTEXT N_("Assigns a fixed Transport Stream ID.")
  88 #define PMTPROG_TEXT N_("PMT Program number")
  89 #define PMTPROG_LONGTEXT N_("Assigns a program number to the PMT.")
  90
  91 #define PID_TEXT N_("Set PID to id of ES")
  92 #define PID_LONGTEXT N_("set PID to id of es")
  93
  94 #define SHAPING_TEXT N_("Shaping delay (ms)")
  95 #define SHAPING_LONGTEXT N_("If enabled, the TS muxer will cut the " \
  96   "stream in slices of the given duration, and ensure a constant bitrate " \
  97   "between the two boundaries. This avoids having huge bitrate peaks for " \
  98   "reference frames, in particular.")
  99 #define KEYF_TEXT N_("Use keyframes")
 100 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
 101   "the TS muxer will place the boundaries at the end of I pictures. In " \
 102   "that case, the shaping duration given by the user is a worse case " \
 103   "used when no reference frame is available. This enhances the efficiency " \
 104   "of the shaping algorithm, since I frames are usually the biggest " \
 105   "frames in the stream.")
 106
 107 #define PCR_TEXT N_("PCR delay (ms)")
 108 #define PCR_LONGTEXT N_("This option allows you to set at which interval " \
 109   "PCRs (Program Clock Reference) will be sent. " \
 110   "This value should be below 100ms. (default is 30)")
 111
 112 #define BMIN_TEXT N_( "Minimum B (deprecated)")
 113 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
 114
 115 #define BMAX_TEXT N_( "Maximum B (deprecated)")
 116 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
 117
 118 #define DTS_TEXT N_("DTS delay (ms)")
 119 #define DTS_LONGTEXT N_("This option will delay the DTS (decoding time " \
 120   "stamps) and PTS (presentation timestamps) of the data in the " \
 121   "stream, compared to the PCRs. This allows for some buffering inside " \
 122   "the client decoder.")
 123
 124 #define ACRYPT_TEXT N_("Crypt audio")
 125 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
 126
 127 #define CK_TEXT N_("CSA Key")
 128 #define CK_LONGTEXT N_("Defines the CSA encryption key. This must be a " \
 129   "16 char string (8 hexadecimal bytes).")
 130
 131 #define SOUT_CFG_PREFIX "sout-ts-"
 132
 133 vlc_module_begin();
 134     set_description( _("TS muxer (libdvbpsi)") );
 135     set_shortname( "MPEG-TS");
 136     set_category( CAT_SOUT );
 137     set_subcategory( SUBCAT_SOUT_MUX );
 138     set_capability( "sout mux", 120 );
 139     add_shortcut( "ts" );
 140
 141     add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
 142                                   VLC_TRUE );
 143     add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
 144                  APID_LONGTEXT, VLC_TRUE );
 145     add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
 146                  SPUPID_LONGTEXT, VLC_TRUE );
 147     add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
 148                  PMTPID_LONGTEXT, VLC_TRUE );
 149     add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
 150                  TSID_LONGTEXT, VLC_TRUE );
 151     add_integer( SOUT_CFG_PREFIX "program-pmt", 1, NULL, PMTPROG_TEXT,
 152                  PMTPROG_LONGTEXT, VLC_TRUE );
 153     add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
 154               VLC_TRUE );
 155
 156     add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
 157                  SHAPING_LONGTEXT, VLC_TRUE );
 158     add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
 159               KEYF_LONGTEXT, VLC_TRUE );
 160
 161     add_integer( SOUT_CFG_PREFIX "pcr", 30, NULL, PCR_TEXT, PCR_LONGTEXT,
 162                  VLC_TRUE );
 163     add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
 164                  VLC_TRUE );
 165     add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
 166                  VLC_TRUE );
 167     add_integer( SOUT_CFG_PREFIX "dts-delay", 200, NULL, DTS_TEXT,
 168                  DTS_LONGTEXT, VLC_TRUE );
 169
 170     add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
 171               ACRYPT_LONGTEXT, VLC_TRUE );
 172
 173     add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
 174                 VLC_TRUE );
 175
 176     set_callbacks( Open, Close );
 177 vlc_module_end();
 178
 179 /*****************************************************************************
 180  * Local data structures
 181  *****************************************************************************/
 182 static const char *ppsz_sout_options[] = {
 183     "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "program-pmt",
 184     "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
 185     "dts-delay", "csa-ck", "crypt-audio",
 186     NULL
 187 };
 188
 189 typedef struct
 190 {
 191     int     i_depth;
 192     block_t *p_first;
 193     block_t **pp_last;
 194 } sout_buffer_chain_t;
 195
 196 static inline void BufferChainInit  ( sout_buffer_chain_t *c )
 197 {
 198     c->i_depth = 0;
 199     c->p_first = NULL;
 200     c->pp_last = &c->p_first;
 201 }
 202 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
 203 {
 204     *c->pp_last = b;
 205     c->i_depth++;
 206
 207     while( b->p_next )
 208     {
 209         b = b->p_next;
 210         c->i_depth++;
 211     }
 212     c->pp_last = &b->p_next;
 213 }
 214 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
 215 {
 216     block_t *b = c->p_first;
 217
 218     if( b )
 219     {
 220         c->i_depth--;
 221         c->p_first = b->p_next;
 222
 223         if( c->p_first == NULL )
 224         {
 225             c->pp_last = &c->p_first;
 226         }
 227
 228         b->p_next = NULL;
 229     }
 230     return b;
 231 }
 232 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
 233 {
 234     block_t *b = c->p_first;
 235
 236     return b;
 237 }
 238 static inline void BufferChainClean( sout_instance_t *p_sout,
 239                                      sout_buffer_chain_t *c )
 240 {
 241     block_t *b;
 242
 243     while( ( b = BufferChainGet( c ) ) )
 244     {
 245         block_Release( b );
 246     }
 247     BufferChainInit( c );
 248 }
 249
 250 typedef struct ts_stream_t
 251 {
 252     int             i_pid;
 253     vlc_fourcc_t    i_codec;
 254
 255     int             i_stream_type;
 256     int             i_stream_id;
 257     int             i_continuity_counter;
 258
 259     /* to be used for carriege of DIV3 */
 260     vlc_fourcc_t    i_bih_codec;
 261     int             i_bih_width, i_bih_height;
 262
 263     /* Specific to mpeg4 in mpeg2ts */
 264     int             i_es_id;
 265
 266     int             i_decoder_specific_info;
 267     uint8_t         *p_decoder_specific_info;
 268
 269     /* language is iso639-2T */
 270     uint8_t         lang[3];
 271
 272     sout_buffer_chain_t chain_pes;
 273     mtime_t             i_pes_dts;
 274     mtime_t             i_pes_length;
 275     int                 i_pes_used;
 276     vlc_bool_t          b_key_frame;
 277
 278 } ts_stream_t;
 279
 280 struct sout_mux_sys_t
 281 {
 282     int             i_pcr_pid;
 283     sout_input_t    *p_pcr_input;
 284
 285     int             i_audio_bound;
 286     int             i_video_bound;
 287
 288     vlc_bool_t      b_es_id_pid;
 289     int             i_pid_video;
 290     int             i_pid_audio;
 291     int             i_pid_spu;
 292     int             i_pid_free; // first usable pid
 293
 294     int             i_tsid;
 295     int             i_pat_version_number;
 296     ts_stream_t     pat;
 297
 298     int             i_pmt_version_number;
 299     ts_stream_t     pmt;        // Up to now only one program
 300     int             i_pmt_program_number;
 301
 302     int             i_mpeg4_streams;
 303
 304     int             i_null_continuity_counter;  /* Needed ? */
 305
 306     /* for TS building */
 307     int64_t             i_bitrate_min;
 308     int64_t             i_bitrate_max;
 309
 310     int64_t             i_shaping_delay;
 311     int64_t             i_pcr_delay;
 312
 313     int64_t             i_dts_delay;
 314
 315     vlc_bool_t          b_use_key_frames;
 316
 317     mtime_t             i_pcr;  /* last PCR emited */
 318
 319     csa_t               *csa;
 320     vlc_bool_t          b_crypt_audio;
 321 };
 322
 323
 324 /* Reserve a pid and return it */
 325 static int  AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
 326 {
 327     int i_pid;
 328     if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
 329     {
 330         i_pid = p_sys->i_pid_video;
 331         p_sys->i_pid_video = 0;
 332     }
 333     else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
 334     {
 335         i_pid = p_sys->i_pid_audio;
 336         p_sys->i_pid_audio = 0;
 337     }
 338     else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
 339     {
 340         i_pid = p_sys->i_pid_spu;
 341         p_sys->i_pid_spu = 0;
 342     }
 343     else
 344     {
 345         i_pid = ++p_sys->i_pid_free;
 346     }
 347     return i_pid;
 348 }
 349
 350 /*****************************************************************************
 351  * Local prototypes
 352  *****************************************************************************/
 353 static int Control  ( sout_mux_t *, int, va_list );
 354 static int AddStream( sout_mux_t *, sout_input_t * );
 355 static int DelStream( sout_mux_t *, sout_input_t * );
 356 static int Mux      ( sout_mux_t * );
 357
 358 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
 359 static void TSSchedule  ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 360                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 361 static void TSDate      ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 362                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 363 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 364 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 365
 366 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
 367 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
 368
 369 static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
 370
 371 /*****************************************************************************
 372  * Open:
 373  *****************************************************************************/
 374 static int Open( vlc_object_t *p_this )
 375 {
 376     sout_mux_t          *p_mux =(sout_mux_t*)p_this;
 377     sout_mux_sys_t      *p_sys;
 378     vlc_value_t         val;
 379
 380     msg_Dbg( p_mux, "Open" );
 381     sout_CfgParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
 382
 383     p_sys = malloc( sizeof( sout_mux_sys_t ) );
 384
 385     p_mux->pf_control   = Control;
 386     p_mux->pf_addstream = AddStream;
 387     p_mux->pf_delstream = DelStream;
 388     p_mux->pf_mux       = Mux;
 389     p_mux->p_sys        = p_sys;
 390
 391     srand( (uint32_t)mdate() );
 392
 393     p_sys->i_audio_bound = 0;
 394     p_sys->i_video_bound = 0;
 395
 396     p_sys->i_pat_version_number = rand() % 32;
 397     p_sys->pat.i_pid = 0;
 398     p_sys->pat.i_continuity_counter = 0;
 399
 400     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 401     if ( val.i_int )
 402         p_sys->i_tsid = val.i_int;
 403     else
 404         p_sys->i_tsid = rand() % 65536;
 405     p_sys->i_pmt_version_number = rand() % 32;
 406     p_sys->pmt.i_continuity_counter = 0;
 407
 408     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 409     if (val.i_int )
 410     {
 411         p_sys->i_pmt_program_number = val.i_int;
 412     }
 413     else
 414     {
 415         p_sys->i_pmt_program_number = 1;
 416     }
 417
 418     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 419     if (val.i_int )
 420     {
 421         p_sys->pmt.i_pid = val.i_int;
 422     }
 423     else
 424     {
 425        p_sys->pmt.i_pid = 0x42;
 426     }
 427
 428     p_sys->i_pid_free = p_sys->pmt.i_pid + 1;
 429
 430     var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
 431     p_sys->b_es_id_pid = val.b_bool;
 432
 433     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 434     p_sys->i_pid_video = val.i_int;
 435     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 436     {
 437         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 438     }
 439
 440     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 441     p_sys->i_pid_audio = val.i_int;
 442     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 443     {
 444         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 445     }
 446
 447     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 448     p_sys->i_pid_spu = val.i_int;
 449     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 450     {
 451         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 452     }
 453
 454     p_sys->i_pcr_pid = 0x1fff;
 455     p_sys->p_pcr_input = NULL;
 456
 457     p_sys->i_mpeg4_streams = 0;
 458
 459     p_sys->i_null_continuity_counter = 0;
 460
 461     /* Allow to create constrained stream */
 462     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 463     p_sys->i_bitrate_min = val.i_int;
 464
 465     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 466     p_sys->i_bitrate_max = val.i_int;
 467
 468     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 469         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 470     {
 471         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 472                  "disabling bitrate control" );
 473         p_sys->i_bitrate_min = 0;
 474         p_sys->i_bitrate_max = 0;
 475     }
 476     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 477     {
 478         msg_Err( p_mux, "bmin and bmax no more supported "
 479                  "(if you need them report it)" );
 480     }
 481
 482     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 483     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 484     if( p_sys->i_shaping_delay <= 0 )
 485     {
 486         msg_Err( p_mux,
 487                  "invalid shaping ("I64Fd"ms) resetting to 200ms",
 488                  p_sys->i_shaping_delay / 1000 );
 489         p_sys->i_shaping_delay = 200000;
 490     }
 491
 492     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 493     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 494     if( p_sys->i_pcr_delay <= 0 ||
 495         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 496     {
 497         msg_Err( p_mux,
 498                  "invalid pcr delay ("I64Fd"ms) resetting to 30ms",
 499                  p_sys->i_pcr_delay / 1000 );
 500         p_sys->i_pcr_delay = 30000;
 501     }
 502
 503     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 504     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 505
 506     msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
 507              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 508
 509     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 510     p_sys->b_use_key_frames = val.b_bool;
 511
 512     /* for TS generation */
 513     p_sys->i_pcr    = 0;
 514
 515     p_sys->csa      = NULL;
 516     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 517     if( val.psz_string && *val.psz_string )
 518     {
 519         char *psz = val.psz_string;
 520
 521         /* skip 0x */
 522         if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
 523         {
 524             psz += 2;
 525         }
 526         if( strlen( psz ) != 16 )
 527         {
 528             msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
 529         }
 530         else
 531         {
 532             uint64_t i_ck = strtoull( psz, NULL, 16 );
 533             uint8_t  ck[8];
 534             int      i;
 535
 536             for( i = 0; i < 8; i++ )
 537             {
 538                 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
 539             }
 540
 541             msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
 542                      ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
 543
 544             p_sys->csa = csa_New();
 545             csa_SetCW( p_sys->csa, ck, ck );
 546         }
 547     }
 548     if( val.psz_string ) free( val.psz_string );
 549
 550     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 551     p_sys->b_crypt_audio = val.b_bool;
 552
 553     return VLC_SUCCESS;
 554 }
 555
 556 /*****************************************************************************
 557  * Close:
 558  *****************************************************************************/
 559 static void Close( vlc_object_t * p_this )
 560 {
 561     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 562     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 563
 564     msg_Dbg( p_mux, "Close" );
 565     if( p_sys->csa )
 566     {
 567         csa_Delete( p_sys->csa );
 568     }
 569
 570     free( p_sys );
 571 }
 572
 573 /*****************************************************************************
 574  * Control:
 575  *****************************************************************************/
 576 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 577 {
 578     vlc_bool_t *pb_bool;
 579     char **ppsz;
 580
 581    switch( i_query )
 582    {
 583        case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 584            pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 585            *pb_bool = VLC_TRUE;
 586            return VLC_SUCCESS;
 587
 588        case MUX_GET_ADD_STREAM_WAIT:
 589            pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 590            *pb_bool = VLC_FALSE;
 591            return VLC_SUCCESS;
 592
 593        case MUX_GET_MIME:
 594            ppsz = (char**)va_arg( args, char ** );
 595            *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 596            return VLC_SUCCESS;
 597
 598         default:
 599             return VLC_EGENERIC;
 600    }
 601 }
 602
 603 /*****************************************************************************
 604  * AddStream: called for each stream addition
 605  *****************************************************************************/
 606 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 607 {
 608     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 609     ts_stream_t         *p_stream;
 610
 611     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 612
 613     /* Init this new stream */
 614     if ( p_sys->b_es_id_pid )
 615         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 616     else
 617         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 618     p_stream->i_codec = p_input->p_fmt->i_codec;
 619     p_stream->i_continuity_counter    = 0;
 620     p_stream->i_decoder_specific_info = 0;
 621     p_stream->p_decoder_specific_info = NULL;
 622
 623     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 624              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 625
 626     /* All others fields depand on codec */
 627     switch( p_input->p_fmt->i_cat )
 628     {
 629         case VIDEO_ES:
 630             switch( p_input->p_fmt->i_codec )
 631             {
 632                 case VLC_FOURCC( 'm', 'p','g', 'v' ):
 633                     /* TODO: do we need to check MPEG-I/II ? */
 634                     p_stream->i_stream_type = 0x02;
 635                     p_stream->i_stream_id = 0xe0;
 636                     break;
 637                 case VLC_FOURCC( 'm', 'p','4', 'v' ):
 638                     p_stream->i_stream_type = 0x10;
 639                     p_stream->i_stream_id = 0xfa;
 640                     p_sys->i_mpeg4_streams++;
 641                     p_stream->i_es_id = p_stream->i_pid;
 642                     break;
 643                 case VLC_FOURCC( 'h', '2','6', '4' ):
 644                     p_stream->i_stream_type = 0x1b;
 645                     p_stream->i_stream_id = 0xe0;
 646                     break;
 647                 /* XXX dirty dirty but somebody want that:
 648                  *     using crapy MS-codec XXX */
 649                 /* I didn't want to do that :P */
 650                 case VLC_FOURCC( 'H', '2', '6', '3' ):
 651                 case VLC_FOURCC( 'I', '2', '6', '3' ):
 652                 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
 653                 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
 654                 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
 655                 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
 656                 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
 657                 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
 658                 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
 659                     p_stream->i_stream_type = 0xa0; // private
 660                     p_stream->i_stream_id = 0xa0;   // beurk
 661                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
 662                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
 663                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
 664                     break;
 665                 default:
 666                     free( p_stream );
 667                     return VLC_EGENERIC;
 668             }
 669             p_sys->i_video_bound++;
 670             break;
 671
 672         case AUDIO_ES:
 673             switch( p_input->p_fmt->i_codec )
 674             {
 675                 case VLC_FOURCC( 'm', 'p','g', 'a' ):
 676                     p_stream->i_stream_type =
 677                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
 678                     p_stream->i_stream_id = 0xc0;
 679                     break;
 680                 case VLC_FOURCC( 'a', '5','2', ' ' ):
 681                     p_stream->i_stream_type = 0x81;
 682                     p_stream->i_stream_id = 0xbd;
 683                     break;
 684                 case VLC_FOURCC( 'l', 'p','c', 'm' ):
 685                     p_stream->i_stream_type = 0x83;
 686                     p_stream->i_stream_id = 0xbd;
 687                     break;
 688                 case VLC_FOURCC( 'd', 't','s', ' ' ):
 689                     p_stream->i_stream_type = 0x06;
 690                     p_stream->i_stream_id = 0xbd;
 691                     break;
 692
 693                 case VLC_FOURCC( 'm', 'p','4', 'a' ):
 694                     p_stream->i_stream_type = 0x11;
 695                     p_stream->i_stream_id = 0xfa;
 696                     p_sys->i_mpeg4_streams++;
 697                     p_stream->i_es_id = p_stream->i_pid;
 698                     break;
 699                 default:
 700                     free( p_stream );
 701                     return VLC_EGENERIC;
 702             }
 703             p_sys->i_audio_bound++;
 704             break;
 705
 706         case SPU_ES:
 707             switch( p_input->p_fmt->i_codec )
 708             {
 709                 case VLC_FOURCC( 's', 'p','u', ' ' ):
 710                     p_stream->i_stream_type = 0x82;
 711                     p_stream->i_stream_id = 0xbd;
 712                     break;
 713                 case VLC_FOURCC( 's', 'u','b', 't' ):
 714                     p_stream->i_stream_type = 0x12;
 715                     p_stream->i_stream_id = 0xfa;
 716                     p_sys->i_mpeg4_streams++;
 717                     p_stream->i_es_id = p_stream->i_pid;
 718                     break;
 719                 case VLC_FOURCC('d','v','b','s'):
 720                     p_stream->i_stream_type = 0x06;
 721                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
 722                     p_stream->i_stream_id = 0xbd;
 723                     break;
 724                 case VLC_FOURCC('t','e','l','x'):
 725                     p_stream->i_stream_type = 0x06;
 726                     p_stream->i_stream_id = 0xbd; /* FIXME */
 727                     break;
 728                 default:
 729                     free( p_stream );
 730                     return VLC_EGENERIC;
 731             }
 732             break;
 733
 734         default:
 735             free( p_stream );
 736             return VLC_EGENERIC;
 737     }
 738
 739     p_stream->lang[0] =
 740     p_stream->lang[1] =
 741     p_stream->lang[2] = '\0';
 742     if( p_input->p_fmt->psz_language )
 743     {
 744         char *psz = p_input->p_fmt->psz_language;
 745         const iso639_lang_t *pl = NULL;
 746
 747         if( strlen( psz ) == 2 )
 748         {
 749             pl = GetLang_1( psz );
 750         }
 751         else if( strlen( psz ) == 3 )
 752         {
 753             pl = GetLang_2B( psz );
 754             if( !strcmp( pl->psz_iso639_1, "??" ) )
 755             {
 756                 pl = GetLang_2T( psz );
 757             }
 758         }
 759         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
 760         {
 761             p_stream->lang[0] = pl->psz_iso639_2T[0];
 762             p_stream->lang[1] = pl->psz_iso639_2T[1];
 763             p_stream->lang[2] = pl->psz_iso639_2T[2];
 764
 765             msg_Dbg( p_mux, "    - lang=%c%c%c",
 766                      p_stream->lang[0], p_stream->lang[1], p_stream->lang[2] );
 767         }
 768     }
 769
 770
 771     /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
 772     p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
 773     if( p_stream->i_decoder_specific_info > 0 )
 774     {
 775         p_stream->p_decoder_specific_info =
 776             malloc( p_stream->i_decoder_specific_info );
 777         memcpy( p_stream->p_decoder_specific_info,
 778                 p_input->p_fmt->p_extra,
 779                 p_input->p_fmt->i_extra );
 780     }
 781
 782     /* Create decoder specific info for subt */
 783     if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
 784     {
 785         uint8_t *p;
 786
 787         p_stream->i_decoder_specific_info = 55;
 788         p_stream->p_decoder_specific_info = p =
 789             malloc( p_stream->i_decoder_specific_info );
 790
 791         p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
 792         p[1] = 0x00;    /* flags: 1b: associated video info flag
 793                                   3b: reserved
 794                                   1b: duration flag
 795                                   3b: reserved */
 796         p[2] = 52;      /* remaining size */
 797
 798         p += 3;
 799
 800         p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
 801         *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
 802         *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
 803
 804         p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
 805         *p++ = 0xff;                    /* background a */
 806
 807         p[0] = p[1] = 0; p += 2;        /* text box top */
 808         p[0] = p[1] = 0; p += 2;        /* text box left */
 809         p[0] = p[1] = 0; p += 2;        /* text box bottom */
 810         p[0] = p[1] = 0; p += 2;        /* text box right */
 811
 812         p[0] = p[1] = 0; p += 2;        /* start char */
 813         p[0] = p[1] = 0; p += 2;        /* end char */
 814         p[0] = p[1] = 0; p += 2;        /* default font id */
 815
 816         *p++ = 0;                       /* font style flags */
 817         *p++ = 12;                      /* font size */
 818
 819         p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
 820         *p++ = 0x00;                    /* foreground a */
 821
 822         p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
 823         memcpy( p, "ftab", 4 ); p += 4;
 824         *p++ = 0; *p++ = 1;             /* entry count */
 825         p[0] = p[1] = 0; p += 2;        /* font id */
 826         *p++ = 9;                       /* font name length */
 827         memcpy( p, "Helvetica", 9 );    /* font name */
 828     }
 829
 830     /* Init pes chain */
 831     BufferChainInit( &p_stream->chain_pes );
 832     p_stream->i_pes_dts    = 0;
 833     p_stream->i_pes_length = 0;
 834     p_stream->i_pes_used   = 0;
 835     p_stream->b_key_frame  = 0;
 836
 837     /* We only change PMT version (PAT isn't changed) */
 838     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
 839
 840     /* Update pcr_pid */
 841     if( p_input->p_fmt->i_cat != SPU_ES &&
 842         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
 843     {
 844         if( p_sys->p_pcr_input )
 845         {
 846             /* There was already a PCR stream, so clean context */
 847             /* FIXME */
 848         }
 849         p_sys->i_pcr_pid   = p_stream->i_pid;
 850         p_sys->p_pcr_input = p_input;
 851
 852         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
 853     }
 854
 855     return VLC_SUCCESS;
 856 }
 857
 858 /*****************************************************************************
 859  * DelStream: called before a stream deletion
 860  *****************************************************************************/
 861 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
 862 {
 863     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 864     ts_stream_t     *p_stream;
 865     vlc_value_t     val;
 866
 867     p_stream = (ts_stream_t*)p_input->p_sys;
 868     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
 869
 870     if( p_sys->i_pcr_pid == p_stream->i_pid )
 871     {
 872         int i;
 873
 874         /* Find a new pcr stream (Prefer Video Stream) */
 875         p_sys->i_pcr_pid = 0x1fff;
 876         p_sys->p_pcr_input = NULL;
 877         for( i = 0; i < p_mux->i_nb_inputs; i++ )
 878         {
 879             if( p_mux->pp_inputs[i] == p_input )
 880             {
 881                 continue;
 882             }
 883
 884             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
 885             {
 886                 p_sys->i_pcr_pid  =
 887                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
 888                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
 889                 break;
 890             }
 891             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
 892                      p_sys->i_pcr_pid == 0x1fff )
 893             {
 894                 p_sys->i_pcr_pid  =
 895                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
 896                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
 897             }
 898         }
 899         if( p_sys->p_pcr_input )
 900         {
 901             /* Empty TS buffer */
 902             /* FIXME */
 903         }
 904         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
 905     }
 906
 907     /* Empty all data in chain_pes */
 908     BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
 909
 910     if( p_stream->p_decoder_specific_info )
 911     {
 912         free( p_stream->p_decoder_specific_info );
 913     }
 914     if( p_stream->i_stream_id == 0xfa ||
 915         p_stream->i_stream_id == 0xfb ||
 916         p_stream->i_stream_id == 0xfe )
 917     {
 918         p_sys->i_mpeg4_streams--;
 919     }
 920
 921     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 922     if( val.i_int > 0 )
 923     {
 924         int i_pid_video = val.i_int;
 925         if ( i_pid_video == p_stream->i_pid )
 926         {
 927             p_sys->i_pid_video = i_pid_video;
 928             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
 929         }
 930     }
 931     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 932     if( val.i_int > 0 )
 933     {
 934         int i_pid_audio = val.i_int;
 935         if ( i_pid_audio == p_stream->i_pid )
 936         {
 937             p_sys->i_pid_audio = i_pid_audio;
 938             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
 939         }
 940     }
 941     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 942     if( val.i_int > 0 )
 943     {
 944         int i_pid_spu = val.i_int;
 945         if ( i_pid_spu == p_stream->i_pid )
 946         {
 947             p_sys->i_pid_spu = i_pid_spu;
 948             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
 949         }
 950     }
 951     free( p_stream );
 952
 953     /* We only change PMT version (PAT isn't changed) */
 954     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
 955
 956     return VLC_SUCCESS;
 957 }
 958
 959 /*****************************************************************************
 960  * Mux: Call each time there is new data for at least one stream
 961  *****************************************************************************
 962  *
 963  *****************************************************************************/
 964 static int Mux( sout_mux_t *p_mux )
 965 {
 966     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 967     ts_stream_t     *p_pcr_stream;
 968
 969     if( p_sys->i_pcr_pid == 0x1fff )
 970     {
 971         msg_Dbg( p_mux, "waiting for PCR streams" );
 972         msleep( 1000 );
 973         return VLC_SUCCESS;
 974     }
 975     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
 976
 977     for( ;; )
 978     {
 979         sout_buffer_chain_t chain_ts;
 980         int                 i_packet_count;
 981         int                 i_packet_pos;
 982         mtime_t             i_pcr_dts;
 983         mtime_t             i_pcr_length;
 984         mtime_t             i_shaping_delay;
 985         int i;
 986
 987         if( p_pcr_stream->b_key_frame )
 988         {
 989             i_shaping_delay = p_pcr_stream->i_pes_length;
 990         }
 991         else
 992         {
 993             i_shaping_delay = p_sys->i_shaping_delay;
 994         }
 995
 996         /* 1: get enough PES packet for all input */
 997         for( ;; )
 998         {
 999             vlc_bool_t b_ok = VLC_TRUE;
1000             block_t *p_data;
1001
1002             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1003             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1004             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1005             {
1006                 sout_input_t *p_input;
1007                 ts_stream_t *p_stream;
1008                 int64_t i_spu_delay = 0;
1009
1010                 if( i == -1 )
1011                     p_input = p_sys->p_pcr_input;
1012                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1013                     continue;
1014                 else
1015                     p_input = p_mux->pp_inputs[i];
1016                 p_stream = (ts_stream_t*)p_input->p_sys;
1017
1018                 if( ( p_stream == p_pcr_stream &&
1019                       p_stream->i_pes_length < i_shaping_delay ) ||
1020                     p_stream->i_pes_dts + p_stream->i_pes_length <
1021                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1022                 {
1023                     /* Need more data */
1024                     if( p_input->p_fifo->i_depth <= 1 )
1025                     {
1026                         if( p_input->p_fmt->i_cat == AUDIO_ES ||
1027                             p_input->p_fmt->i_cat == VIDEO_ES )
1028                         {
1029                             /* We need more data */
1030                             return VLC_SUCCESS;
1031                         }
1032                         else if( p_input->p_fifo->i_depth <= 0 )
1033                         {
1034                             /* spu, only one packet is needed */
1035                             continue;
1036                         }
1037                         else
1038                         {
1039                             /* Don't mux the SPU yet if it is too early */
1040                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1041
1042                             i_spu_delay =
1043                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1044
1045                             if( i_spu_delay > i_shaping_delay &&
1046                                 i_spu_delay < I64C(100000000) )
1047                                 continue;
1048
1049                             if ( i_spu_delay >= I64C(100000000)
1050                                   || i_spu_delay < 10000 )
1051                             {
1052                                 BufferChainClean( p_mux->p_sout,
1053                                                   &p_stream->chain_pes );
1054                                 p_stream->i_pes_dts = 0;
1055                                 p_stream->i_pes_used = 0;
1056                                 p_stream->i_pes_length = 0;
1057                                 continue;
1058                             }
1059                         }
1060                     }
1061                     b_ok = VLC_FALSE;
1062
1063                     if( p_stream == p_pcr_stream
1064                          || p_input->p_fmt->i_codec !=
1065                              VLC_FOURCC('m', 'p', 'g', 'a') )
1066                         p_data = block_FifoGet( p_input->p_fifo );
1067                     else
1068                         p_data = FixPES( p_mux, p_input->p_fifo );
1069
1070                     if( p_input->p_fifo->i_depth > 0 &&
1071                         p_input->p_fmt->i_cat != SPU_ES )
1072                     {
1073                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1074                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1075                     }
1076                     else if( p_input->p_fmt->i_codec !=
1077                                VLC_FOURCC('s', 'u', 'b', 't' ) )
1078                         p_data->i_length = 1000;
1079
1080                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1081                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1082                           p_pcr_stream->i_pes_length ) ||
1083                         p_data->i_dts < p_stream->i_pes_dts ||
1084                         ( p_stream->i_pes_dts > 0 &&
1085                           p_input->p_fmt->i_cat != SPU_ES &&
1086                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1087                           p_stream->i_pes_length ) )
1088                     {
1089                         msg_Warn( p_mux, "packet with too strange dts "
1090                                   "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1091                                   p_data->i_dts, p_stream->i_pes_dts,
1092                                   p_pcr_stream->i_pes_dts );
1093                         block_Release( p_data );
1094
1095                         BufferChainClean( p_mux->p_sout,
1096                                           &p_stream->chain_pes );
1097                         p_stream->i_pes_dts = 0;
1098                         p_stream->i_pes_used = 0;
1099                         p_stream->i_pes_length = 0;
1100
1101                         if( p_input->p_fmt->i_cat != SPU_ES )
1102                         {
1103                             BufferChainClean( p_mux->p_sout,
1104                                               &p_pcr_stream->chain_pes );
1105                             p_pcr_stream->i_pes_dts = 0;
1106                             p_pcr_stream->i_pes_used = 0;
1107                             p_pcr_stream->i_pes_length = 0;
1108                         }
1109                     }
1110                     else
1111                     {
1112                         int i_header_size = 0;
1113                         int b_data_alignment = 0;
1114                         if( p_input->p_fmt->i_cat == SPU_ES )
1115                         {
1116                             if( p_input->p_fmt->i_codec ==
1117                                 VLC_FOURCC('s','u','b','t') )
1118                             {
1119                                 /* Prepend header */
1120                                 p_data = block_Realloc( p_data, 2,
1121                                                         p_data->i_buffer );
1122                                 p_data->p_buffer[0] =
1123                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1124                                 p_data->p_buffer[1] =
1125                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1126
1127                                 /* remove trailling \0 if any */
1128                                 if( p_data->i_buffer > 2 &&
1129                                     p_data->p_buffer[p_data->i_buffer -1] ==
1130                                     '\0' )
1131                                     p_data->i_buffer--;
1132
1133                                 /* Append a empty sub (sub text only) */
1134                                 if( p_data->i_length > 0 &&
1135                                     !( p_data->i_buffer == 1 &&
1136                                        *p_data->p_buffer == ' ' ) )
1137                                 {
1138                                     block_t *p_spu = block_New( p_mux, 3 );
1139
1140                                     p_spu->i_dts = p_spu->i_pts =
1141                                         p_data->i_dts + p_data->i_length;
1142                                     p_spu->i_length = 1000;
1143
1144                                     p_spu->p_buffer[0] = 0;
1145                                     p_spu->p_buffer[1] = 1;
1146                                     p_spu->p_buffer[2] = ' ';
1147
1148                                     E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1149                                                  p_input->p_fmt,
1150                                                  p_stream->i_stream_id, 1,
1151                                                  0, 0, 0 );
1152                                     p_data->p_next = p_spu;
1153                                 }
1154                             }
1155                             else if( p_input->p_fmt->i_codec ==
1156                                        VLC_FOURCC('t','e','l','x') )
1157                             {
1158                                 /* EN 300 472 */
1159                                 i_header_size = 0x24;
1160                                 b_data_alignment = 1;
1161                             }
1162                         }
1163                         else if( p_data->i_length < 0 ||
1164                                  p_data->i_length > 2000000 )
1165                         {
1166                             /* FIXME choose a better value, but anyway we
1167                              * should never have to do that */
1168                             p_data->i_length = 1000;
1169                         }
1170
1171                         p_stream->i_pes_length += p_data->i_length;
1172                         if( p_stream->i_pes_dts == 0 )
1173                         {
1174                             p_stream->i_pes_dts = p_data->i_dts;
1175                         }
1176
1177                         /* Convert to pes */
1178                         if( p_stream->i_stream_id == 0xa0 &&
1179                             p_data->i_pts <= 0 )
1180                         {
1181                             /* XXX yes I know, it's awfull, but it's needed,
1182                              * so don't remove it ... */
1183                             p_data->i_pts = p_data->i_dts;
1184                         }
1185                         E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1186                                        p_input->p_fmt, p_stream->i_stream_id,
1187                                        1, b_data_alignment, i_header_size, 0 );
1188
1189                         BufferChainAppend( &p_stream->chain_pes, p_data );
1190
1191                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1192                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1193                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1194                             && (p_stream->i_pes_length > 400000) )
1195                         {
1196                             i_shaping_delay = p_stream->i_pes_length;
1197                             p_stream->b_key_frame = 1;
1198                         }
1199                     }
1200                 }
1201             }
1202
1203             if( b_ok )
1204             {
1205                 break;
1206             }
1207         }
1208
1209         /* save */
1210         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1211         i_pcr_length   = p_pcr_stream->i_pes_length;
1212         p_pcr_stream->b_key_frame = 0;
1213
1214         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1215         /* 2: calculate non accurate total size of muxed ts */
1216         i_packet_count = 0;
1217         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1218         {
1219             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1220             block_t *p_pes;
1221
1222             /* False for pcr stream but it will be enough to do PCR algo */
1223             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1224                  p_pes = p_pes->p_next )
1225             {
1226                 int i_size = p_pes->i_buffer;
1227                 if( p_pes->i_dts + p_pes->i_length >
1228                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1229                 {
1230                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1231                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1232                     if( i_frag < 0 )
1233                     {
1234                         /* Next stream */
1235                         break;
1236                     }
1237                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1238                 }
1239                 i_packet_count += ( i_size + 183 ) / 184;
1240             }
1241         }
1242         /* add overhead for PCR (not really exact) */
1243         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1244
1245         /* 3: mux PES into TS */
1246         BufferChainInit( &chain_ts );
1247         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1248         GetPAT( p_mux, &chain_ts );
1249         GetPMT( p_mux, &chain_ts );
1250         i_packet_pos = 0;
1251         i_packet_count += chain_ts.i_depth;
1252         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1253
1254         for( ;; )
1255         {
1256             int         i_stream;
1257             mtime_t     i_dts;
1258             ts_stream_t *p_stream;
1259             sout_input_t *p_input;
1260             block_t *p_ts;
1261             vlc_bool_t   b_pcr;
1262
1263             /* Select stream (lowest dts) */
1264             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1265             {
1266                 p_input = p_mux->pp_inputs[i];
1267                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1268
1269                 if( p_stream->i_pes_dts == 0 )
1270                 {
1271                     continue;
1272                 }
1273
1274                 if( i_stream == -1 ||
1275                     p_stream->i_pes_dts < i_dts )
1276                 {
1277                     i_stream = i;
1278                     i_dts = p_stream->i_pes_dts;
1279                 }
1280             }
1281             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1282             {
1283                 break;
1284             }
1285             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1286
1287             /* do we need to issue pcr */
1288             b_pcr = VLC_FALSE;
1289             if( p_stream == p_pcr_stream &&
1290                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1291                 p_sys->i_pcr + p_sys->i_pcr_delay )
1292             {
1293                 b_pcr = VLC_TRUE;
1294                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1295                     i_pcr_length / i_packet_count;
1296             }
1297
1298             /* Build the TS packet */
1299             p_ts = TSNew( p_mux, p_stream, b_pcr );
1300             if( p_sys->csa != NULL &&
1301                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) )
1302             {
1303                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1304             }
1305             i_packet_pos++;
1306
1307             /* */
1308             BufferChainAppend( &chain_ts, p_ts );
1309         }
1310
1311         /* 4: date and send */
1312         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1313     }
1314 }
1315
1316 #define STD_PES_PAYLOAD 170
1317 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1318 {
1319     block_t *p_data;
1320     int i_size;
1321
1322     p_data = block_FifoShow( p_fifo );
1323     i_size = p_data->i_buffer;
1324
1325     if( i_size == STD_PES_PAYLOAD )
1326     {
1327         return block_FifoGet( p_fifo );
1328     }
1329     else if( i_size > STD_PES_PAYLOAD )
1330     {
1331         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1332         p_mux->p_vlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1333         p_new->i_pts = p_data->i_pts;
1334         p_new->i_dts = p_data->i_dts;
1335         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1336                             / p_data->i_buffer;
1337         p_data->i_buffer -= STD_PES_PAYLOAD;
1338         p_data->p_buffer += STD_PES_PAYLOAD;
1339         p_data->i_pts += p_new->i_length;
1340         p_data->i_dts += p_new->i_length;
1341         p_data->i_length -= p_new->i_length;
1342         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1343         return p_new;
1344     }
1345     else
1346     {
1347         block_t *p_next;
1348         int i_copy;
1349
1350         p_data = block_FifoGet( p_fifo );
1351         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1352         p_next = block_FifoShow( p_fifo );
1353         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1354         {
1355             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1356             p_data->i_pts = p_next->i_pts;
1357             p_data->i_dts = p_next->i_dts;
1358         }
1359         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1360
1361         p_mux->p_vlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1362                                  i_copy );
1363         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1364         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1365         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1366         p_next->i_buffer -= i_copy;
1367         p_next->p_buffer += i_copy;
1368         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1369
1370         if( !p_next->i_buffer )
1371         {
1372             p_next = block_FifoGet( p_fifo );
1373             block_Release( p_next );
1374         }
1375         return p_data;
1376     }
1377 }
1378
1379 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1380                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1381 {
1382     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1383     sout_buffer_chain_t new_chain;
1384     int i_packet_count = p_chain_ts->i_depth;
1385     int i;
1386
1387     BufferChainInit( &new_chain );
1388
1389     if ( i_pcr_length <= 0 )
1390     {
1391         i_pcr_length = i_packet_count;
1392     }
1393
1394     for( i = 0; i < i_packet_count; i++ )
1395     {
1396         block_t *p_ts = BufferChainGet( p_chain_ts );
1397         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1398
1399         BufferChainAppend( &new_chain, p_ts );
1400
1401         if( p_ts->i_dts &&
1402             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1403         {
1404             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1405             mtime_t i_cut_dts = p_ts->i_dts;
1406
1407             p_ts = BufferChainPeek( p_chain_ts );
1408             i++;
1409             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1410             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1411             {
1412                 p_ts = BufferChainGet( p_chain_ts );
1413                 i_max_diff = i_new_dts - p_ts->i_dts;
1414                 i_cut_dts = p_ts->i_dts;
1415                 BufferChainAppend( &new_chain, p_ts );
1416
1417                 p_ts = BufferChainPeek( p_chain_ts );
1418                 i++;
1419                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1420             }
1421             msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1422                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1423                      p_chain_ts->i_depth );
1424             if ( new_chain.i_depth )
1425                 TSDate( p_mux, &new_chain,
1426                         i_cut_dts - i_pcr_dts,
1427                         i_pcr_dts );
1428             if ( p_chain_ts->i_depth )
1429                 TSSchedule( p_mux,
1430                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1431                             i_cut_dts );
1432             return;
1433         }
1434     }
1435
1436     if ( new_chain.i_depth )
1437         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1438 }
1439
1440 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1441                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1442 {
1443     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1444     int i_packet_count = p_chain_ts->i_depth;
1445     int i;
1446
1447     if ( i_pcr_length / 1000 > 0 )
1448     {
1449         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1450                           / (uint64_t)(i_pcr_length / 1000);
1451         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1452         {
1453             msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1454                       " (%d bi/s for %d pkt in "I64Fd" us)",
1455                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1456                       i_bitrate, i_packet_count, i_pcr_length);
1457         }
1458 #if 0
1459         else
1460         {
1461             msg_Dbg( p_mux, "starting at "I64Fd
1462                      " (%d bi/s for %d packets in "I64Fd" us)",
1463                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1464                      i_bitrate, i_packet_count, i_pcr_length);
1465         }
1466 #endif
1467     }
1468     else
1469     {
1470         /* This shouldn't happen, but happens in some rare heavy load
1471          * and packet losses conditions. */
1472         i_pcr_length = i_packet_count;
1473     }
1474
1475     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1476     for( i = 0; i < i_packet_count; i++ )
1477     {
1478         block_t *p_ts = BufferChainGet( p_chain_ts );
1479         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1480
1481         p_ts->i_dts    = i_new_dts;
1482         p_ts->i_length = i_pcr_length / i_packet_count;
1483
1484         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1485         {
1486             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1487             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1488         }
1489         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1490         {
1491             csa_Encrypt( p_sys->csa, p_ts->p_buffer, 0 );
1492         }
1493
1494         /* latency */
1495         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1496
1497         sout_AccessOutWrite( p_mux->p_access, p_ts );
1498     }
1499 }
1500
1501 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1502                        vlc_bool_t b_pcr )
1503 {
1504     block_t *p_pes = p_stream->chain_pes.p_first;
1505     block_t *p_ts;
1506
1507     vlc_bool_t b_new_pes = VLC_FALSE;
1508     vlc_bool_t b_adaptation_field = VLC_FALSE;
1509
1510     int        i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1511     int        i_payload;
1512
1513     if( p_stream->i_pes_used <= 0 )
1514     {
1515         b_new_pes = VLC_TRUE;
1516     }
1517     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1518                        i_payload_max );
1519
1520     if( b_pcr || i_payload < i_payload_max )
1521     {
1522         b_adaptation_field = VLC_TRUE;
1523     }
1524
1525     p_ts = block_New( p_mux, 188 );
1526     p_ts->i_dts = p_pes->i_dts;
1527
1528     p_ts->p_buffer[0] = 0x47;
1529     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1530         ( ( p_stream->i_pid >> 8 )&0x1f );
1531     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1532     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1533         p_stream->i_continuity_counter;
1534
1535     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1536
1537     if( b_adaptation_field )
1538     {
1539         int i;
1540
1541         if( b_pcr )
1542         {
1543             int     i_stuffing = i_payload_max - i_payload;
1544
1545             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1546
1547             p_ts->p_buffer[4] = 7 + i_stuffing;
1548             p_ts->p_buffer[5] = 0x10;   /* flags */
1549             p_ts->p_buffer[6] = ( 0 )&0xff;
1550             p_ts->p_buffer[7] = ( 0 )&0xff;
1551             p_ts->p_buffer[8] = ( 0 )&0xff;
1552             p_ts->p_buffer[9] = ( 0 )&0xff;
1553             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1554             p_ts->p_buffer[11]= 0;
1555
1556             for( i = 12; i < 12 + i_stuffing; i++ )
1557             {
1558                 p_ts->p_buffer[i] = 0xff;
1559             }
1560         }
1561         else
1562         {
1563             int i_stuffing = i_payload_max - i_payload;
1564
1565             p_ts->p_buffer[4] = i_stuffing - 1;
1566             if( i_stuffing > 1 )
1567             {
1568                 p_ts->p_buffer[5] = 0x00;
1569                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1570                 {
1571                     p_ts->p_buffer[i] = 0xff;
1572                 }
1573             }
1574         }
1575     }
1576
1577     /* copy payload */
1578     memcpy( &p_ts->p_buffer[188 - i_payload],
1579             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1580
1581     p_stream->i_pes_used += i_payload;
1582     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1583         p_stream->i_pes_used / p_pes->i_buffer;
1584     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1585
1586     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1587     {
1588         p_pes = BufferChainGet( &p_stream->chain_pes );
1589         block_Release( p_pes );
1590
1591         p_pes = p_stream->chain_pes.p_first;
1592         if( p_pes )
1593         {
1594             p_stream->i_pes_dts    = p_pes->i_dts;
1595             p_stream->i_pes_length = 0;
1596             while( p_pes )
1597             {
1598                 p_stream->i_pes_length += p_pes->i_length;
1599
1600                 p_pes = p_pes->p_next;
1601             }
1602         }
1603         else
1604         {
1605             p_stream->i_pes_dts = 0;
1606             p_stream->i_pes_length = 0;
1607         }
1608         p_stream->i_pes_used = 0;
1609     }
1610
1611     return p_ts;
1612 }
1613
1614
1615 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1616 {
1617     mtime_t i_pcr = 9 * i_dts / 100;
1618
1619     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
1620     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
1621     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
1622     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
1623     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
1624 }
1625
1626 #if 0
1627 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1628                               mtime_t i_length, int i_bitrate_min,
1629                               int i_bitrate_max )
1630 {
1631     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1632     sout_buffer_chain_t s = *c;
1633
1634     int i_packets = 0;
1635     int i_packets_min = 0;
1636     int i_packets_max = 0;
1637
1638     if( i_length <= 0 )
1639     {
1640         return;
1641     }
1642
1643     i_packets     = c->i_depth;
1644     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
1645     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
1646
1647     if( i_packets < i_packets_min && i_packets_min > 0 )
1648     {
1649         block_t *p_pk;
1650         int i_div = ( i_packets_min - i_packets ) / i_packets;
1651         int i_mod = ( i_packets_min - i_packets ) % i_packets;
1652         int i_rest = 0;
1653
1654         /* We need to pad with null packets (pid=0x1fff)
1655          * We try to melt null packets with true packets */
1656         msg_Dbg( p_mux,
1657                  "packets=%d but min=%d -> adding %d packets of padding",
1658                  i_packets, i_packets_min, i_packets_min - i_packets );
1659
1660         BufferChainInit( c );
1661         while( ( p_pk = BufferChainGet( &s ) ) )
1662         {
1663             int i, i_null;
1664
1665             BufferChainAppend( c, p_pk );
1666
1667             i_null = i_div + ( i_rest + i_mod ) / i_packets;
1668
1669             for( i = 0; i < i_null; i++ )
1670             {
1671                 block_t *p_null;
1672
1673                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
1674                 p_null->p_buffer[0] = 0x47;
1675                 p_null->p_buffer[1] = 0x1f;
1676                 p_null->p_buffer[2] = 0xff;
1677                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
1678                 memset( &p_null->p_buffer[4], 0, 184 );
1679                 p_sys->i_null_continuity_counter =
1680                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
1681
1682                 BufferChainAppend( c, p_null );
1683             }
1684
1685             i_rest = ( i_rest + i_mod ) % i_packets;
1686         }
1687     }
1688     else if( i_packets > i_packets_max && i_packets_max > 0 )
1689     {
1690         block_t *p_pk;
1691         int           i;
1692
1693         /* Arg, we need to drop packets, I don't do something clever (like
1694          * dropping complete pid, b frames, ... ), I just get the right amount
1695          * of packets and discard the others */
1696         msg_Warn( p_mux,
1697                   "packets=%d but max=%d -> removing %d packets -> stream broken",
1698                   i_packets, i_packets_max, i_packets - i_packets_max );
1699
1700         BufferChainInit( c );
1701         for( i = 0; i < i_packets_max; i++ )
1702         {
1703             BufferChainAppend( c, BufferChainGet( &s ) );
1704         }
1705
1706         while( ( p_pk = BufferChainGet( &s ) ) )
1707         {
1708             sout_BufferDelete( p_mux->p_sout, p_pk );
1709         }
1710     }
1711 }
1712 #endif
1713
1714 static void PEStoTS( sout_instance_t *p_sout,
1715                      sout_buffer_chain_t *c, block_t *p_pes,
1716                      ts_stream_t *p_stream )
1717 {
1718     uint8_t *p_data;
1719     int     i_size;
1720     int     b_new_pes;
1721
1722     /* get PES total size */
1723     i_size = p_pes->i_buffer;
1724     p_data = p_pes->p_buffer;
1725
1726     b_new_pes = VLC_TRUE;
1727
1728     for( ;; )
1729     {
1730         int           b_adaptation_field;
1731         int           i_copy;
1732         block_t *p_ts;
1733
1734         p_ts = block_New( p_sout, 188 );
1735         /* write header
1736          * 8b   0x47    sync byte
1737          * 1b           transport_error_indicator
1738          * 1b           payload_unit_start
1739          * 1b           transport_priority
1740          * 13b          pid
1741          * 2b           transport_scrambling_control
1742          * 2b           if adaptation_field 0x03 else 0x01
1743          * 4b           continuity_counter
1744          */
1745
1746         i_copy    = __MIN( i_size, 184 );
1747         b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
1748
1749         p_ts->p_buffer[0] = 0x47;
1750         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
1751                             ( ( p_stream->i_pid >> 8 )&0x1f );
1752         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1753         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
1754                             p_stream->i_continuity_counter;
1755
1756         b_new_pes = VLC_FALSE;
1757         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1758
1759         if( b_adaptation_field )
1760         {
1761             int i_stuffing = 184 - i_copy;
1762             int i;
1763
1764             p_ts->p_buffer[4] = i_stuffing - 1;
1765             if( i_stuffing > 1 )
1766             {
1767                 p_ts->p_buffer[5] = 0x00;
1768                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1769                 {
1770                     p_ts->p_buffer[i] = 0xff;
1771                 }
1772             }
1773         }
1774         /* copy payload */
1775         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
1776         p_data += i_copy;
1777         i_size -= i_copy;
1778
1779         BufferChainAppend( c, p_ts );
1780
1781         if( i_size <= 0 )
1782         {
1783             block_t *p_next = p_pes->p_next;
1784
1785             p_pes->p_next = NULL;
1786             block_Release( p_pes );
1787             if( p_next == NULL )
1788             {
1789                 break;
1790             }
1791             b_new_pes = VLC_TRUE;
1792             p_pes = p_next;
1793             i_size = p_pes->i_buffer;
1794             p_data = p_pes->p_buffer;
1795         }
1796     }
1797
1798     return;
1799 }
1800
1801 static block_t *WritePSISection( sout_instance_t *p_sout,
1802                                        dvbpsi_psi_section_t* p_section )
1803 {
1804     block_t   *p_psi, *p_first = NULL;
1805
1806
1807     while( p_section )
1808     {
1809         int             i_size;
1810
1811         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
1812                   ( p_section->b_syntax_indicator ? 4 : 0 );
1813
1814         p_psi = block_New( p_sout, i_size + 1 );
1815         p_psi->i_pts = 0;
1816         p_psi->i_dts = 0;
1817         p_psi->i_length = 0;
1818         p_psi->i_buffer = i_size + 1;
1819
1820         p_psi->p_buffer[0] = 0; // pointer
1821         memcpy( p_psi->p_buffer + 1,
1822                 p_section->p_data,
1823                 i_size );
1824
1825         block_ChainAppend( &p_first, p_psi );
1826
1827         p_section = p_section->p_next;
1828     }
1829
1830     return( p_first );
1831 }
1832
1833 static void GetPAT( sout_mux_t *p_mux,
1834                     sout_buffer_chain_t *c )
1835 {
1836     sout_mux_sys_t       *p_sys = p_mux->p_sys;
1837     block_t        *p_pat;
1838     dvbpsi_pat_t         pat;
1839     dvbpsi_psi_section_t *p_section;
1840
1841     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
1842                     1 );      // b_current_next
1843     /* add all program (only one) */
1844     dvbpsi_PATAddProgram( &pat,
1845                           p_sys->i_pmt_program_number,                    // i_number
1846                           p_sys->pmt.i_pid );   // i_pid
1847
1848     p_section = dvbpsi_GenPATSections( &pat,
1849                                        0 );     // max program per section
1850
1851     p_pat = WritePSISection( p_mux->p_sout, p_section );
1852
1853     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
1854
1855     dvbpsi_DeletePSISections( p_section );
1856     dvbpsi_EmptyPAT( &pat );
1857 }
1858
1859 static uint32_t GetDescriptorLength24b( int i_length )
1860 {
1861     uint32_t i_l1, i_l2, i_l3;
1862
1863     i_l1 = i_length&0x7f;
1864     i_l2 = ( i_length >> 7 )&0x7f;
1865     i_l3 = ( i_length >> 14 )&0x7f;
1866
1867     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
1868 }
1869
1870 static void GetPMT( sout_mux_t *p_mux,
1871                     sout_buffer_chain_t *c )
1872 {
1873     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1874     block_t   *p_pmt;
1875
1876     dvbpsi_pmt_t        pmt;
1877     dvbpsi_pmt_es_t     *p_es;
1878     dvbpsi_psi_section_t *p_section;
1879
1880     int                 i_stream;
1881
1882     dvbpsi_InitPMT( &pmt,
1883                     p_sys->i_pmt_program_number,   // program number
1884                     p_sys->i_pmt_version_number,
1885                     1,      // b_current_next
1886                     p_sys->i_pcr_pid );
1887
1888     if( p_sys->i_mpeg4_streams > 0 )
1889     {
1890         uint8_t iod[4096];
1891         bits_buffer_t bits;
1892         bits_buffer_t bits_fix_IOD;
1893
1894         /* Make valgrind happy : it works at byte level not bit one so
1895          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
1896          * working (needed when fixing some bits) */
1897         memset( iod, 0, 4096 );
1898
1899         bits_initwrite( &bits, 4096, iod );
1900         // IOD_label_scope
1901         bits_write( &bits, 8,   0x11 );
1902         // IOD_label
1903         bits_write( &bits, 8,   0x01 );
1904         // InitialObjectDescriptor
1905         bits_align( &bits );
1906         bits_write( &bits, 8,   0x02 );     // tag
1907         bits_fix_IOD = bits;    // save states to fix length later
1908         bits_write( &bits, 24,
1909             GetDescriptorLength24b( 0 ) ); // variable length (fixed later)
1910         bits_write( &bits, 10,  0x01 );     // ObjectDescriptorID
1911         bits_write( &bits, 1,   0x00 );     // URL Flag
1912         bits_write( &bits, 1,   0x00 );     // includeInlineProfileLevelFlag
1913         bits_write( &bits, 4,   0x0f );     // reserved
1914         bits_write( &bits, 8,   0xff );     // ODProfile (no ODcapability )
1915         bits_write( &bits, 8,   0xff );     // sceneProfile
1916         bits_write( &bits, 8,   0xfe );     // audioProfile (unspecified)
1917         bits_write( &bits, 8,   0xfe );     // visualProfile( // )
1918         bits_write( &bits, 8,   0xff );     // graphicProfile (no )
1919         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
1920         {
1921             ts_stream_t *p_stream;
1922             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1923
1924             if( p_stream->i_stream_id == 0xfa ||
1925                 p_stream->i_stream_id == 0xfb ||
1926                 p_stream->i_stream_id == 0xfe )
1927             {
1928                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
1929                 /* ES descriptor */
1930                 bits_align( &bits );
1931                 bits_write( &bits, 8,   0x03 );     // ES_DescrTag
1932                 bits_fix_ESDescr = bits;
1933                 bits_write( &bits, 24,
1934                             GetDescriptorLength24b( 0 ) ); // variable size
1935                 bits_write( &bits, 16,  p_stream->i_es_id );
1936                 bits_write( &bits, 1,   0x00 );     // streamDependency
1937                 bits_write( &bits, 1,   0x00 );     // URL Flag
1938                 bits_write( &bits, 1,   0x00 );     // OCRStreamFlag
1939                 bits_write( &bits, 5,   0x1f );     // streamPriority
1940
1941                 // DecoderConfigDesciptor
1942                 bits_align( &bits );
1943                 bits_write( &bits, 8,   0x04 ); // DecoderConfigDescrTag
1944                 bits_fix_Decoder = bits;
1945                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
1946                 if( p_stream->i_stream_type == 0x10 )
1947                 {
1948                     bits_write( &bits, 8, 0x20 );   // Visual 14496-2
1949                     bits_write( &bits, 6, 0x04 );   // VisualStream
1950                 }
1951                 else if( p_stream->i_stream_type == 0x1b )
1952                 {
1953                     bits_write( &bits, 8, 0x21 );   // Visual 14496-2
1954                     bits_write( &bits, 6, 0x04 );   // VisualStream
1955                 }
1956                 else if( p_stream->i_stream_type == 0x11  || p_stream->i_stream_type == 0x0f )
1957                 {
1958                     bits_write( &bits, 8, 0x40 );   // Audio 14496-3
1959                     bits_write( &bits, 6, 0x05 );   // AudioStream
1960                 }
1961                 else if( p_stream->i_stream_type == 0x12 &&
1962                          p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
1963                 {
1964                     bits_write( &bits, 8, 0x0B );   // Text Stream
1965                     bits_write( &bits, 6, 0x04 );   // VisualStream
1966                 }
1967                 else
1968                 {
1969                     bits_write( &bits, 8, 0x00 );
1970                     bits_write( &bits, 6, 0x00 );
1971
1972                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
1973                              "broken IOD" );
1974                 }
1975                 bits_write( &bits, 1,   0x00 );     // UpStream
1976                 bits_write( &bits, 1,   0x01 );     // reserved
1977                 bits_write( &bits, 24,  1024 * 1024 );  // bufferSizeDB
1978                 bits_write( &bits, 32,  0x7fffffff );   // maxBitrate
1979                 bits_write( &bits, 32,  0 );            // avgBitrate
1980
1981                 if( p_stream->i_decoder_specific_info > 0 )
1982                 {
1983                     int i;
1984                     // DecoderSpecificInfo
1985                     bits_align( &bits );
1986                     bits_write( &bits, 8,   0x05 ); // tag
1987                     bits_write( &bits, 24, GetDescriptorLength24b(
1988                                 p_stream->i_decoder_specific_info ) );
1989                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
1990                     {
1991                         bits_write( &bits, 8,
1992                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
1993                     }
1994                 }
1995                 /* fix Decoder length */
1996                 bits_write( &bits_fix_Decoder, 24,
1997                             GetDescriptorLength24b( bits.i_data -
1998                             bits_fix_Decoder.i_data - 3 ) );
1999
2000                 /* SLConfigDescriptor : predifined (0x01) */
2001                 bits_align( &bits );
2002                 bits_write( &bits, 8,   0x06 ); // tag
2003                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2004                 bits_write( &bits, 8,   0x01 ); // predefined
2005                 bits_write( &bits, 1,   0 );   // durationFlag
2006                 bits_write( &bits, 32,  0 );   // OCRResolution
2007                 bits_write( &bits, 8,   0 );   // OCRLength
2008                 bits_write( &bits, 8,   0 );   // InstantBitrateLength
2009                 bits_align( &bits );
2010
2011                 /* fix ESDescr length */
2012                 bits_write( &bits_fix_ESDescr, 24,
2013                             GetDescriptorLength24b( bits.i_data -
2014                             bits_fix_ESDescr.i_data - 3 ) );
2015             }
2016         }
2017         bits_align( &bits );
2018         /* fix IOD length */
2019         bits_write( &bits_fix_IOD, 24,
2020                     GetDescriptorLength24b( bits.i_data -
2021                                             bits_fix_IOD.i_data - 3 ) );
2022         dvbpsi_PMTAddDescriptor( &pmt, 0x1d, bits.i_data, bits.p_data );
2023     }
2024
2025     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2026     {
2027         ts_stream_t *p_stream;
2028
2029         p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2030
2031         p_es = dvbpsi_PMTAddES( &pmt, p_stream->i_stream_type,
2032                                 p_stream->i_pid );
2033         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2034         {
2035             uint8_t     es_id[2];
2036
2037             /* SL descriptor */
2038             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2039             es_id[1] = (p_stream->i_es_id)&0xff;
2040             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2041         }
2042         else if( p_stream->i_stream_type == 0xa0 )
2043         {
2044             uint8_t data[512];
2045             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2046
2047             /* private DIV3 descripor */
2048             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2049             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2050             data[5] = ( p_stream->i_bih_width      )&0xff;
2051             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2052             data[7] = ( p_stream->i_bih_height     )&0xff;
2053             data[8] = ( i_extra >> 8 )&0xff;
2054             data[9] = ( i_extra      )&0xff;
2055             if( i_extra > 0 )
2056             {
2057                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2058             }
2059
2060             /* 0xa0 is private */
2061             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2062         }
2063         else if( p_stream->i_stream_type == 0x81 )
2064         {
2065             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2066
2067             /* "registration" descriptor : "AC-3" */
2068             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2069         }
2070         else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2071         {
2072             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2073
2074             /* DTS format identifier, frame size 1024 - FIXME */
2075             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2076             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2077         }
2078         else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2079         {
2080             dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2081                                        p_stream->i_decoder_specific_info,
2082                                        p_stream->p_decoder_specific_info );
2083         }
2084 #ifdef _DVBPSI_DR_59_H_
2085         else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2086         {
2087             /* DVB subtitles */
2088             dvbpsi_subtitling_dr_t descr;
2089             dvbpsi_subtitle_t sub;
2090             dvbpsi_descriptor_t *p_descr;
2091
2092             memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2093             sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2094             sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2095             sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2096
2097             descr.i_subtitles_number = 1;
2098             descr.p_subtitle[0] = sub;
2099
2100             p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2101             /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2102             dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2103                                        p_descr->i_length, p_descr->p_data );
2104             continue;
2105         }
2106 #endif /* _DVBPSI_DR_59_H_ */
2107
2108         if( p_stream->lang[0] != 0 )
2109         {
2110             uint8_t data[4];
2111
2112             /* I construct the content myself, way faster than looking at
2113              * over complicated/mind broken libdvbpsi way */
2114             data[0] = p_stream->lang[0];
2115             data[1] = p_stream->lang[1];
2116             data[2] = p_stream->lang[2];
2117             data[3] = 0x00; /* audio type: 0x00 undefined */
2118
2119             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4, data );
2120         }
2121     }
2122
2123     p_section = dvbpsi_GenPMTSections( &pmt );
2124
2125     p_pmt = WritePSISection( p_mux->p_sout, p_section );
2126
2127     PEStoTS( p_mux->p_sout, c, p_pmt, &p_sys->pmt );
2128
2129     dvbpsi_DeletePSISections( p_section );
2130     dvbpsi_EmptyPMT( &pmt );
2131 }