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 70)")
 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", 70, 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", 400, 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 70ms",
 499                  p_sys->i_pcr_delay / 1000 );
 500         p_sys->i_pcr_delay = 70000;
 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 = 0xe0;
 640                     p_stream->i_es_id = p_stream->i_pid;
 641                     break;
 642                 case VLC_FOURCC( 'h', '2','6', '4' ):
 643                     p_stream->i_stream_type = 0x1b;
 644                     p_stream->i_stream_id = 0xe0;
 645                     break;
 646                 /* XXX dirty dirty but somebody want that:
 647                  *     using crapy MS-codec XXX */
 648                 /* I didn't want to do that :P */
 649                 case VLC_FOURCC( 'H', '2', '6', '3' ):
 650                 case VLC_FOURCC( 'I', '2', '6', '3' ):
 651                 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
 652                 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
 653                 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
 654                 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
 655                 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
 656                 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
 657                 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
 658                     p_stream->i_stream_type = 0xa0; // private
 659                     p_stream->i_stream_id = 0xa0;   // beurk
 660                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
 661                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
 662                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
 663                     break;
 664                 default:
 665                     free( p_stream );
 666                     return VLC_EGENERIC;
 667             }
 668             p_sys->i_video_bound++;
 669             break;
 670
 671         case AUDIO_ES:
 672             switch( p_input->p_fmt->i_codec )
 673             {
 674                 case VLC_FOURCC( 'm', 'p','g', 'a' ):
 675                     p_stream->i_stream_type =
 676                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
 677                     p_stream->i_stream_id = 0xc0;
 678                     break;
 679                 case VLC_FOURCC( 'a', '5','2', ' ' ):
 680                     p_stream->i_stream_type = 0x81;
 681                     p_stream->i_stream_id = 0xbd;
 682                     break;
 683                 case VLC_FOURCC( 'l', 'p','c', 'm' ):
 684                     p_stream->i_stream_type = 0x83;
 685                     p_stream->i_stream_id = 0xbd;
 686                     break;
 687                 case VLC_FOURCC( 'd', 't','s', ' ' ):
 688                     p_stream->i_stream_type = 0x06;
 689                     p_stream->i_stream_id = 0xbd;
 690                     break;
 691                 case VLC_FOURCC( 'm', 'p','4', 'a' ):
 692                     p_stream->i_stream_type = 0x11;
 693                     p_stream->i_stream_id = 0xfa;
 694                     p_sys->i_mpeg4_streams++;
 695                     p_stream->i_es_id = p_stream->i_pid;
 696                     break;
 697                 default:
 698                     free( p_stream );
 699                     return VLC_EGENERIC;
 700             }
 701             p_sys->i_audio_bound++;
 702             break;
 703
 704         case SPU_ES:
 705             switch( p_input->p_fmt->i_codec )
 706             {
 707                 case VLC_FOURCC( 's', 'p','u', ' ' ):
 708                     p_stream->i_stream_type = 0x82;
 709                     p_stream->i_stream_id = 0xbd;
 710                     break;
 711                 case VLC_FOURCC( 's', 'u','b', 't' ):
 712                     p_stream->i_stream_type = 0x12;
 713                     p_stream->i_stream_id = 0xfa;
 714                     p_sys->i_mpeg4_streams++;
 715                     p_stream->i_es_id = p_stream->i_pid;
 716                     break;
 717                 case VLC_FOURCC('d','v','b','s'):
 718                     p_stream->i_stream_type = 0x06;
 719                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
 720                     p_stream->i_stream_id = 0xbd;
 721                     break;
 722                 case VLC_FOURCC('t','e','l','x'):
 723                     p_stream->i_stream_type = 0x06;
 724                     p_stream->i_stream_id = 0xbd; /* FIXME */
 725                     break;
 726                 default:
 727                     free( p_stream );
 728                     return VLC_EGENERIC;
 729             }
 730             break;
 731
 732         default:
 733             free( p_stream );
 734             return VLC_EGENERIC;
 735     }
 736
 737     p_stream->lang[0] =
 738     p_stream->lang[1] =
 739     p_stream->lang[2] = '\0';
 740     if( p_input->p_fmt->psz_language )
 741     {
 742         char *psz = p_input->p_fmt->psz_language;
 743         const iso639_lang_t *pl = NULL;
 744
 745         if( strlen( psz ) == 2 )
 746         {
 747             pl = GetLang_1( psz );
 748         }
 749         else if( strlen( psz ) == 3 )
 750         {
 751             pl = GetLang_2B( psz );
 752             if( !strcmp( pl->psz_iso639_1, "??" ) )
 753             {
 754                 pl = GetLang_2T( psz );
 755             }
 756         }
 757         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
 758         {
 759             p_stream->lang[0] = pl->psz_iso639_2T[0];
 760             p_stream->lang[1] = pl->psz_iso639_2T[1];
 761             p_stream->lang[2] = pl->psz_iso639_2T[2];
 762
 763             msg_Dbg( p_mux, "    - lang=%c%c%c",
 764                      p_stream->lang[0], p_stream->lang[1], p_stream->lang[2] );
 765         }
 766     }
 767
 768
 769     /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
 770     p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
 771     if( p_stream->i_decoder_specific_info > 0 )
 772     {
 773         p_stream->p_decoder_specific_info =
 774             malloc( p_stream->i_decoder_specific_info );
 775         memcpy( p_stream->p_decoder_specific_info,
 776                 p_input->p_fmt->p_extra,
 777                 p_input->p_fmt->i_extra );
 778     }
 779
 780     /* Create decoder specific info for subt */
 781     if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
 782     {
 783         uint8_t *p;
 784
 785         p_stream->i_decoder_specific_info = 55;
 786         p_stream->p_decoder_specific_info = p =
 787             malloc( p_stream->i_decoder_specific_info );
 788
 789         p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
 790         p[1] = 0x00;    /* flags: 1b: associated video info flag
 791                                   3b: reserved
 792                                   1b: duration flag
 793                                   3b: reserved */
 794         p[2] = 52;      /* remaining size */
 795
 796         p += 3;
 797
 798         p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
 799         *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
 800         *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
 801
 802         p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
 803         *p++ = 0xff;                    /* background a */
 804
 805         p[0] = p[1] = 0; p += 2;        /* text box top */
 806         p[0] = p[1] = 0; p += 2;        /* text box left */
 807         p[0] = p[1] = 0; p += 2;        /* text box bottom */
 808         p[0] = p[1] = 0; p += 2;        /* text box right */
 809
 810         p[0] = p[1] = 0; p += 2;        /* start char */
 811         p[0] = p[1] = 0; p += 2;        /* end char */
 812         p[0] = p[1] = 0; p += 2;        /* default font id */
 813
 814         *p++ = 0;                       /* font style flags */
 815         *p++ = 12;                      /* font size */
 816
 817         p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
 818         *p++ = 0x00;                    /* foreground a */
 819
 820         p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
 821         memcpy( p, "ftab", 4 ); p += 4;
 822         *p++ = 0; *p++ = 1;             /* entry count */
 823         p[0] = p[1] = 0; p += 2;        /* font id */
 824         *p++ = 9;                       /* font name length */
 825         memcpy( p, "Helvetica", 9 );    /* font name */
 826     }
 827
 828     /* Init pes chain */
 829     BufferChainInit( &p_stream->chain_pes );
 830     p_stream->i_pes_dts    = 0;
 831     p_stream->i_pes_length = 0;
 832     p_stream->i_pes_used   = 0;
 833     p_stream->b_key_frame  = 0;
 834
 835     /* We only change PMT version (PAT isn't changed) */
 836     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
 837
 838     /* Update pcr_pid */
 839     if( p_input->p_fmt->i_cat != SPU_ES &&
 840         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
 841     {
 842         if( p_sys->p_pcr_input )
 843         {
 844             /* There was already a PCR stream, so clean context */
 845             /* FIXME */
 846         }
 847         p_sys->i_pcr_pid   = p_stream->i_pid;
 848         p_sys->p_pcr_input = p_input;
 849
 850         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
 851     }
 852
 853     return VLC_SUCCESS;
 854 }
 855
 856 /*****************************************************************************
 857  * DelStream: called before a stream deletion
 858  *****************************************************************************/
 859 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
 860 {
 861     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 862     ts_stream_t     *p_stream;
 863     vlc_value_t     val;
 864
 865     p_stream = (ts_stream_t*)p_input->p_sys;
 866     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
 867
 868     if( p_sys->i_pcr_pid == p_stream->i_pid )
 869     {
 870         int i;
 871
 872         /* Find a new pcr stream (Prefer Video Stream) */
 873         p_sys->i_pcr_pid = 0x1fff;
 874         p_sys->p_pcr_input = NULL;
 875         for( i = 0; i < p_mux->i_nb_inputs; i++ )
 876         {
 877             if( p_mux->pp_inputs[i] == p_input )
 878             {
 879                 continue;
 880             }
 881
 882             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
 883             {
 884                 p_sys->i_pcr_pid  =
 885                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
 886                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
 887                 break;
 888             }
 889             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
 890                      p_sys->i_pcr_pid == 0x1fff )
 891             {
 892                 p_sys->i_pcr_pid  =
 893                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
 894                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
 895             }
 896         }
 897         if( p_sys->p_pcr_input )
 898         {
 899             /* Empty TS buffer */
 900             /* FIXME */
 901         }
 902         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
 903     }
 904
 905     /* Empty all data in chain_pes */
 906     BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
 907
 908     if( p_stream->p_decoder_specific_info )
 909     {
 910         free( p_stream->p_decoder_specific_info );
 911     }
 912     if( p_stream->i_stream_id == 0xfa ||
 913         p_stream->i_stream_id == 0xfb ||
 914         p_stream->i_stream_id == 0xfe )
 915     {
 916         p_sys->i_mpeg4_streams--;
 917     }
 918
 919     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 920     if( val.i_int > 0 )
 921     {
 922         int i_pid_video = val.i_int;
 923         if ( i_pid_video == p_stream->i_pid )
 924         {
 925             p_sys->i_pid_video = i_pid_video;
 926             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
 927         }
 928     }
 929     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 930     if( val.i_int > 0 )
 931     {
 932         int i_pid_audio = val.i_int;
 933         if ( i_pid_audio == p_stream->i_pid )
 934         {
 935             p_sys->i_pid_audio = i_pid_audio;
 936             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
 937         }
 938     }
 939     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 940     if( val.i_int > 0 )
 941     {
 942         int i_pid_spu = val.i_int;
 943         if ( i_pid_spu == p_stream->i_pid )
 944         {
 945             p_sys->i_pid_spu = i_pid_spu;
 946             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
 947         }
 948     }
 949     free( p_stream );
 950
 951     /* We only change PMT version (PAT isn't changed) */
 952     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
 953
 954     return VLC_SUCCESS;
 955 }
 956
 957 /*****************************************************************************
 958  * Mux: Call each time there is new data for at least one stream
 959  *****************************************************************************
 960  *
 961  *****************************************************************************/
 962 static int Mux( sout_mux_t *p_mux )
 963 {
 964     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 965     ts_stream_t     *p_pcr_stream;
 966
 967     if( p_sys->i_pcr_pid == 0x1fff )
 968     {
 969         msg_Dbg( p_mux, "waiting for PCR streams" );
 970         msleep( 1000 );
 971         return VLC_SUCCESS;
 972     }
 973     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
 974
 975     for( ;; )
 976     {
 977         sout_buffer_chain_t chain_ts;
 978         int                 i_packet_count;
 979         int                 i_packet_pos;
 980         mtime_t             i_pcr_dts;
 981         mtime_t             i_pcr_length;
 982         mtime_t             i_shaping_delay;
 983         int i;
 984
 985         if( p_pcr_stream->b_key_frame )
 986         {
 987             i_shaping_delay = p_pcr_stream->i_pes_length;
 988         }
 989         else
 990         {
 991             i_shaping_delay = p_sys->i_shaping_delay;
 992         }
 993
 994         /* 1: get enough PES packet for all input */
 995         for( ;; )
 996         {
 997             vlc_bool_t b_ok = VLC_TRUE;
 998             block_t *p_data;
 999
1000             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1001             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1002             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1003             {
1004                 sout_input_t *p_input;
1005                 ts_stream_t *p_stream;
1006                 int64_t i_spu_delay = 0;
1007
1008                 if( i == -1 )
1009                     p_input = p_sys->p_pcr_input;
1010                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1011                     continue;
1012                 else
1013                     p_input = p_mux->pp_inputs[i];
1014                 p_stream = (ts_stream_t*)p_input->p_sys;
1015
1016                 if( ( p_stream == p_pcr_stream &&
1017                       p_stream->i_pes_length < i_shaping_delay ) ||
1018                     p_stream->i_pes_dts + p_stream->i_pes_length <
1019                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1020                 {
1021                     /* Need more data */
1022                     if( p_input->p_fifo->i_depth <= 1 )
1023                     {
1024                         if( p_input->p_fmt->i_cat == AUDIO_ES ||
1025                             p_input->p_fmt->i_cat == VIDEO_ES )
1026                         {
1027                             /* We need more data */
1028                             return VLC_SUCCESS;
1029                         }
1030                         else if( p_input->p_fifo->i_depth <= 0 )
1031                         {
1032                             /* spu, only one packet is needed */
1033                             continue;
1034                         }
1035                         else
1036                         {
1037                             /* Don't mux the SPU yet if it is too early */
1038                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1039
1040                             i_spu_delay =
1041                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1042
1043                             if( i_spu_delay > i_shaping_delay &&
1044                                 i_spu_delay < I64C(100000000) )
1045                                 continue;
1046
1047                             if ( i_spu_delay >= I64C(100000000)
1048                                   || i_spu_delay < 10000 )
1049                             {
1050                                 BufferChainClean( p_mux->p_sout,
1051                                                   &p_stream->chain_pes );
1052                                 p_stream->i_pes_dts = 0;
1053                                 p_stream->i_pes_used = 0;
1054                                 p_stream->i_pes_length = 0;
1055                                 continue;
1056                             }
1057                         }
1058                     }
1059                     b_ok = VLC_FALSE;
1060
1061                     if( p_stream == p_pcr_stream
1062                          || p_input->p_fmt->i_codec !=
1063                              VLC_FOURCC('m', 'p', 'g', 'a') )
1064                         p_data = block_FifoGet( p_input->p_fifo );
1065                     else
1066                         p_data = FixPES( p_mux, p_input->p_fifo );
1067
1068                     if( p_input->p_fifo->i_depth > 0 &&
1069                         p_input->p_fmt->i_cat != SPU_ES )
1070                     {
1071                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1072                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1073                     }
1074                     else if( p_input->p_fmt->i_codec !=
1075                                VLC_FOURCC('s', 'u', 'b', 't' ) )
1076                         p_data->i_length = 1000;
1077
1078                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1079                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1080                           p_pcr_stream->i_pes_length ) ||
1081                         p_data->i_dts < p_stream->i_pes_dts ||
1082                         ( p_stream->i_pes_dts > 0 &&
1083                           p_input->p_fmt->i_cat != SPU_ES &&
1084                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1085                           p_stream->i_pes_length ) )
1086                     {
1087                         msg_Warn( p_mux, "packet with too strange dts "
1088                                   "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1089                                   p_data->i_dts, p_stream->i_pes_dts,
1090                                   p_pcr_stream->i_pes_dts );
1091                         block_Release( p_data );
1092
1093                         BufferChainClean( p_mux->p_sout,
1094                                           &p_stream->chain_pes );
1095                         p_stream->i_pes_dts = 0;
1096                         p_stream->i_pes_used = 0;
1097                         p_stream->i_pes_length = 0;
1098
1099                         if( p_input->p_fmt->i_cat != SPU_ES )
1100                         {
1101                             BufferChainClean( p_mux->p_sout,
1102                                               &p_pcr_stream->chain_pes );
1103                             p_pcr_stream->i_pes_dts = 0;
1104                             p_pcr_stream->i_pes_used = 0;
1105                             p_pcr_stream->i_pes_length = 0;
1106                         }
1107                     }
1108                     else
1109                     {
1110                         int i_header_size = 0;
1111                         int b_data_alignment = 0;
1112                         if( p_input->p_fmt->i_cat == SPU_ES )
1113                         {
1114                             if( p_input->p_fmt->i_codec ==
1115                                 VLC_FOURCC('s','u','b','t') )
1116                             {
1117                                 /* Prepend header */
1118                                 p_data = block_Realloc( p_data, 2,
1119                                                         p_data->i_buffer );
1120                                 p_data->p_buffer[0] =
1121                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1122                                 p_data->p_buffer[1] =
1123                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1124
1125                                 /* remove trailling \0 if any */
1126                                 if( p_data->i_buffer > 2 &&
1127                                     p_data->p_buffer[p_data->i_buffer -1] ==
1128                                     '\0' )
1129                                     p_data->i_buffer--;
1130
1131                                 /* Append a empty sub (sub text only) */
1132                                 if( p_data->i_length > 0 &&
1133                                     !( p_data->i_buffer == 1 &&
1134                                        *p_data->p_buffer == ' ' ) )
1135                                 {
1136                                     block_t *p_spu = block_New( p_mux, 3 );
1137
1138                                     p_spu->i_dts = p_spu->i_pts =
1139                                         p_data->i_dts + p_data->i_length;
1140                                     p_spu->i_length = 1000;
1141
1142                                     p_spu->p_buffer[0] = 0;
1143                                     p_spu->p_buffer[1] = 1;
1144                                     p_spu->p_buffer[2] = ' ';
1145
1146                                     E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1147                                                  p_input->p_fmt,
1148                                                  p_stream->i_stream_id, 1,
1149                                                  0, 0, 0 );
1150                                     p_data->p_next = p_spu;
1151                                 }
1152                             }
1153                             else if( p_input->p_fmt->i_codec ==
1154                                        VLC_FOURCC('t','e','l','x') )
1155                             {
1156                                 /* EN 300 472 */
1157                                 i_header_size = 0x24;
1158                                 b_data_alignment = 1;
1159                             }
1160                         }
1161                         else if( p_data->i_length < 0 ||
1162                                  p_data->i_length > 2000000 )
1163                         {
1164                             /* FIXME choose a better value, but anyway we
1165                              * should never have to do that */
1166                             p_data->i_length = 1000;
1167                         }
1168
1169                         p_stream->i_pes_length += p_data->i_length;
1170                         if( p_stream->i_pes_dts == 0 )
1171                         {
1172                             p_stream->i_pes_dts = p_data->i_dts;
1173                         }
1174
1175                         /* Convert to pes */
1176                         if( p_stream->i_stream_id == 0xa0 &&
1177                             p_data->i_pts <= 0 )
1178                         {
1179                             /* XXX yes I know, it's awfull, but it's needed,
1180                              * so don't remove it ... */
1181                             p_data->i_pts = p_data->i_dts;
1182                         }
1183
1184                         E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1185                                        p_input->p_fmt, p_stream->i_stream_id,
1186                                        1, b_data_alignment, i_header_size, 0 );
1187
1188                         BufferChainAppend( &p_stream->chain_pes, p_data );
1189
1190                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1191                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1192                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1193                             && (p_stream->i_pes_length > 400000) )
1194                         {
1195                             i_shaping_delay = p_stream->i_pes_length;
1196                             p_stream->b_key_frame = 1;
1197                         }
1198                     }
1199                 }
1200             }
1201
1202             if( b_ok )
1203             {
1204                 break;
1205             }
1206         }
1207
1208         /* save */
1209         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1210         i_pcr_length   = p_pcr_stream->i_pes_length;
1211         p_pcr_stream->b_key_frame = 0;
1212
1213         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1214         /* 2: calculate non accurate total size of muxed ts */
1215         i_packet_count = 0;
1216         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1217         {
1218             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1219             block_t *p_pes;
1220
1221             /* False for pcr stream but it will be enough to do PCR algo */
1222             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1223                  p_pes = p_pes->p_next )
1224             {
1225                 int i_size = p_pes->i_buffer;
1226                 if( p_pes->i_dts + p_pes->i_length >
1227                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1228                 {
1229                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1230                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1231                     if( i_frag < 0 )
1232                     {
1233                         /* Next stream */
1234                         break;
1235                     }
1236                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1237                 }
1238                 i_packet_count += ( i_size + 183 ) / 184;
1239             }
1240         }
1241         /* add overhead for PCR (not really exact) */
1242         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1243
1244         /* 3: mux PES into TS */
1245         BufferChainInit( &chain_ts );
1246         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1247         GetPAT( p_mux, &chain_ts );
1248         GetPMT( p_mux, &chain_ts );
1249         i_packet_pos = 0;
1250         i_packet_count += chain_ts.i_depth;
1251         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1252
1253         for( ;; )
1254         {
1255             int         i_stream;
1256             mtime_t     i_dts;
1257             ts_stream_t *p_stream;
1258             sout_input_t *p_input;
1259             block_t *p_ts;
1260             vlc_bool_t   b_pcr;
1261
1262             /* Select stream (lowest dts) */
1263             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1264             {
1265                 p_input = p_mux->pp_inputs[i];
1266                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1267
1268                 if( p_stream->i_pes_dts == 0 )
1269                 {
1270                     continue;
1271                 }
1272
1273                 if( i_stream == -1 ||
1274                     p_stream->i_pes_dts < i_dts )
1275                 {
1276                     i_stream = i;
1277                     i_dts = p_stream->i_pes_dts;
1278                 }
1279             }
1280             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1281             {
1282                 break;
1283             }
1284             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1285
1286             /* do we need to issue pcr */
1287             b_pcr = VLC_FALSE;
1288             if( p_stream == p_pcr_stream &&
1289                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1290                 p_sys->i_pcr + p_sys->i_pcr_delay )
1291             {
1292                 b_pcr = VLC_TRUE;
1293                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1294                     i_pcr_length / i_packet_count;
1295             }
1296
1297             /* Build the TS packet */
1298             p_ts = TSNew( p_mux, p_stream, b_pcr );
1299             if( p_sys->csa != NULL &&
1300                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) )
1301             {
1302                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1303             }
1304             i_packet_pos++;
1305
1306             /* */
1307             BufferChainAppend( &chain_ts, p_ts );
1308         }
1309
1310         /* 4: date and send */
1311         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1312     }
1313 }
1314
1315 #define STD_PES_PAYLOAD 170
1316 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1317 {
1318     block_t *p_data;
1319     int i_size;
1320
1321     p_data = block_FifoShow( p_fifo );
1322     i_size = p_data->i_buffer;
1323
1324     if( i_size == STD_PES_PAYLOAD )
1325     {
1326         return block_FifoGet( p_fifo );
1327     }
1328     else if( i_size > STD_PES_PAYLOAD )
1329     {
1330         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1331         p_mux->p_vlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1332         p_new->i_pts = p_data->i_pts;
1333         p_new->i_dts = p_data->i_dts;
1334         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1335                             / p_data->i_buffer;
1336         p_data->i_buffer -= STD_PES_PAYLOAD;
1337         p_data->p_buffer += STD_PES_PAYLOAD;
1338         p_data->i_pts += p_new->i_length;
1339         p_data->i_dts += p_new->i_length;
1340         p_data->i_length -= p_new->i_length;
1341         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1342         return p_new;
1343     }
1344     else
1345     {
1346         block_t *p_next;
1347         int i_copy;
1348
1349         p_data = block_FifoGet( p_fifo );
1350         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1351         p_next = block_FifoShow( p_fifo );
1352         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1353         {
1354             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1355             p_data->i_pts = p_next->i_pts;
1356             p_data->i_dts = p_next->i_dts;
1357         }
1358         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1359
1360         p_mux->p_vlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1361                                  i_copy );
1362         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1363         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1364         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1365         p_next->i_buffer -= i_copy;
1366         p_next->p_buffer += i_copy;
1367         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1368
1369         if( !p_next->i_buffer )
1370         {
1371             p_next = block_FifoGet( p_fifo );
1372             block_Release( p_next );
1373         }
1374         return p_data;
1375     }
1376 }
1377
1378 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1379                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1380 {
1381     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1382     sout_buffer_chain_t new_chain;
1383     int i_packet_count = p_chain_ts->i_depth;
1384     int i;
1385
1386     BufferChainInit( &new_chain );
1387
1388     if ( i_pcr_length <= 0 )
1389     {
1390         i_pcr_length = i_packet_count;
1391     }
1392
1393     for( i = 0; i < i_packet_count; i++ )
1394     {
1395         block_t *p_ts = BufferChainGet( p_chain_ts );
1396         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1397
1398         BufferChainAppend( &new_chain, p_ts );
1399
1400         if( p_ts->i_dts &&
1401             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1402         {
1403             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1404             mtime_t i_cut_dts = p_ts->i_dts;
1405
1406             p_ts = BufferChainPeek( p_chain_ts );
1407             i++;
1408             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1409             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1410             {
1411                 p_ts = BufferChainGet( p_chain_ts );
1412                 i_max_diff = i_new_dts - p_ts->i_dts;
1413                 i_cut_dts = p_ts->i_dts;
1414                 BufferChainAppend( &new_chain, p_ts );
1415
1416                 p_ts = BufferChainPeek( p_chain_ts );
1417                 i++;
1418                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1419             }
1420             msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1421                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1422                      p_chain_ts->i_depth );
1423             if ( new_chain.i_depth )
1424                 TSDate( p_mux, &new_chain,
1425                         i_cut_dts - i_pcr_dts,
1426                         i_pcr_dts );
1427             if ( p_chain_ts->i_depth )
1428                 TSSchedule( p_mux,
1429                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1430                             i_cut_dts );
1431             return;
1432         }
1433     }
1434
1435     if ( new_chain.i_depth )
1436         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1437 }
1438
1439 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1440                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1441 {
1442     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1443     int i_packet_count = p_chain_ts->i_depth;
1444     int i;
1445
1446     if ( i_pcr_length / 1000 > 0 )
1447     {
1448         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1449                           / (uint64_t)(i_pcr_length / 1000);
1450         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1451         {
1452             msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1453                       " (%d bi/s for %d pkt in "I64Fd" us)",
1454                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1455                       i_bitrate, i_packet_count, i_pcr_length);
1456         }
1457 #if 0
1458         else
1459         {
1460             msg_Dbg( p_mux, "starting at "I64Fd
1461                      " (%d bi/s for %d packets in "I64Fd" us)",
1462                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1463                      i_bitrate, i_packet_count, i_pcr_length);
1464         }
1465 #endif
1466     }
1467     else
1468     {
1469         /* This shouldn't happen, but happens in some rare heavy load
1470          * and packet losses conditions. */
1471         i_pcr_length = i_packet_count;
1472     }
1473
1474     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1475     for( i = 0; i < i_packet_count; i++ )
1476     {
1477         block_t *p_ts = BufferChainGet( p_chain_ts );
1478         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1479
1480         p_ts->i_dts    = i_new_dts;
1481         p_ts->i_length = i_pcr_length / i_packet_count;
1482
1483         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1484         {
1485             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1486             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1487         }
1488         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1489         {
1490             csa_Encrypt( p_sys->csa, p_ts->p_buffer, 0 );
1491         }
1492
1493         /* latency */
1494         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1495
1496         sout_AccessOutWrite( p_mux->p_access, p_ts );
1497     }
1498 }
1499
1500 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1501                        vlc_bool_t b_pcr )
1502 {
1503     block_t *p_pes = p_stream->chain_pes.p_first;
1504     block_t *p_ts;
1505
1506     vlc_bool_t b_new_pes = VLC_FALSE;
1507     vlc_bool_t b_adaptation_field = VLC_FALSE;
1508
1509     int        i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1510     int        i_payload;
1511
1512     if( p_stream->i_pes_used <= 0 )
1513     {
1514         b_new_pes = VLC_TRUE;
1515     }
1516     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1517                        i_payload_max );
1518
1519     if( b_pcr || i_payload < i_payload_max )
1520     {
1521         b_adaptation_field = VLC_TRUE;
1522     }
1523
1524     p_ts = block_New( p_mux, 188 );
1525     p_ts->i_dts = p_pes->i_dts;
1526
1527     p_ts->p_buffer[0] = 0x47;
1528     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1529         ( ( p_stream->i_pid >> 8 )&0x1f );
1530     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1531     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1532         p_stream->i_continuity_counter;
1533
1534     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1535
1536     if( b_adaptation_field )
1537     {
1538         int i;
1539
1540         if( b_pcr )
1541         {
1542             int     i_stuffing = i_payload_max - i_payload;
1543
1544             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1545
1546             p_ts->p_buffer[4] = 7 + i_stuffing;
1547             p_ts->p_buffer[5] = 0x10;   /* flags */
1548             p_ts->p_buffer[6] = ( 0 )&0xff;
1549             p_ts->p_buffer[7] = ( 0 )&0xff;
1550             p_ts->p_buffer[8] = ( 0 )&0xff;
1551             p_ts->p_buffer[9] = ( 0 )&0xff;
1552             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1553             p_ts->p_buffer[11]= 0;
1554
1555             for( i = 12; i < 12 + i_stuffing; i++ )
1556             {
1557                 p_ts->p_buffer[i] = 0xff;
1558             }
1559         }
1560         else
1561         {
1562             int i_stuffing = i_payload_max - i_payload;
1563
1564             p_ts->p_buffer[4] = i_stuffing - 1;
1565             if( i_stuffing > 1 )
1566             {
1567                 p_ts->p_buffer[5] = 0x00;
1568                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1569                 {
1570                     p_ts->p_buffer[i] = 0xff;
1571                 }
1572             }
1573         }
1574     }
1575
1576     /* copy payload */
1577     memcpy( &p_ts->p_buffer[188 - i_payload],
1578             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1579
1580     p_stream->i_pes_used += i_payload;
1581     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1582         p_stream->i_pes_used / p_pes->i_buffer;
1583     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1584
1585     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1586     {
1587         p_pes = BufferChainGet( &p_stream->chain_pes );
1588         block_Release( p_pes );
1589
1590         p_pes = p_stream->chain_pes.p_first;
1591         if( p_pes )
1592         {
1593             p_stream->i_pes_dts    = p_pes->i_dts;
1594             p_stream->i_pes_length = 0;
1595             while( p_pes )
1596             {
1597                 p_stream->i_pes_length += p_pes->i_length;
1598
1599                 p_pes = p_pes->p_next;
1600             }
1601         }
1602         else
1603         {
1604             p_stream->i_pes_dts = 0;
1605             p_stream->i_pes_length = 0;
1606         }
1607         p_stream->i_pes_used = 0;
1608     }
1609
1610     return p_ts;
1611 }
1612
1613
1614 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1615 {
1616     mtime_t i_pcr = 9 * i_dts / 100;
1617
1618     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
1619     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
1620     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
1621     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
1622     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
1623 }
1624
1625 #if 0
1626 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1627                               mtime_t i_length, int i_bitrate_min,
1628                               int i_bitrate_max )
1629 {
1630     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1631     sout_buffer_chain_t s = *c;
1632
1633     int i_packets = 0;
1634     int i_packets_min = 0;
1635     int i_packets_max = 0;
1636
1637     if( i_length <= 0 )
1638     {
1639         return;
1640     }
1641
1642     i_packets     = c->i_depth;
1643     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
1644     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
1645
1646     if( i_packets < i_packets_min && i_packets_min > 0 )
1647     {
1648         block_t *p_pk;
1649         int i_div = ( i_packets_min - i_packets ) / i_packets;
1650         int i_mod = ( i_packets_min - i_packets ) % i_packets;
1651         int i_rest = 0;
1652
1653         /* We need to pad with null packets (pid=0x1fff)
1654          * We try to melt null packets with true packets */
1655         msg_Dbg( p_mux,
1656                  "packets=%d but min=%d -> adding %d packets of padding",
1657                  i_packets, i_packets_min, i_packets_min - i_packets );
1658
1659         BufferChainInit( c );
1660         while( ( p_pk = BufferChainGet( &s ) ) )
1661         {
1662             int i, i_null;
1663
1664             BufferChainAppend( c, p_pk );
1665
1666             i_null = i_div + ( i_rest + i_mod ) / i_packets;
1667
1668             for( i = 0; i < i_null; i++ )
1669             {
1670                 block_t *p_null;
1671
1672                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
1673                 p_null->p_buffer[0] = 0x47;
1674                 p_null->p_buffer[1] = 0x1f;
1675                 p_null->p_buffer[2] = 0xff;
1676                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
1677                 memset( &p_null->p_buffer[4], 0, 184 );
1678                 p_sys->i_null_continuity_counter =
1679                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
1680
1681                 BufferChainAppend( c, p_null );
1682             }
1683
1684             i_rest = ( i_rest + i_mod ) % i_packets;
1685         }
1686     }
1687     else if( i_packets > i_packets_max && i_packets_max > 0 )
1688     {
1689         block_t *p_pk;
1690         int           i;
1691
1692         /* Arg, we need to drop packets, I don't do something clever (like
1693          * dropping complete pid, b frames, ... ), I just get the right amount
1694          * of packets and discard the others */
1695         msg_Warn( p_mux,
1696                   "packets=%d but max=%d -> removing %d packets -> stream broken",
1697                   i_packets, i_packets_max, i_packets - i_packets_max );
1698
1699         BufferChainInit( c );
1700         for( i = 0; i < i_packets_max; i++ )
1701         {
1702             BufferChainAppend( c, BufferChainGet( &s ) );
1703         }
1704
1705         while( ( p_pk = BufferChainGet( &s ) ) )
1706         {
1707             sout_BufferDelete( p_mux->p_sout, p_pk );
1708         }
1709     }
1710 }
1711 #endif
1712
1713 static void PEStoTS( sout_instance_t *p_sout,
1714                      sout_buffer_chain_t *c, block_t *p_pes,
1715                      ts_stream_t *p_stream )
1716 {
1717     uint8_t *p_data;
1718     int     i_size;
1719     int     b_new_pes;
1720
1721     /* get PES total size */
1722     i_size = p_pes->i_buffer;
1723     p_data = p_pes->p_buffer;
1724
1725     b_new_pes = VLC_TRUE;
1726
1727     for( ;; )
1728     {
1729         int           b_adaptation_field;
1730         int           i_copy;
1731         block_t *p_ts;
1732
1733         p_ts = block_New( p_sout, 188 );
1734         /* write header
1735          * 8b   0x47    sync byte
1736          * 1b           transport_error_indicator
1737          * 1b           payload_unit_start
1738          * 1b           transport_priority
1739          * 13b          pid
1740          * 2b           transport_scrambling_control
1741          * 2b           if adaptation_field 0x03 else 0x01
1742          * 4b           continuity_counter
1743          */
1744
1745         i_copy    = __MIN( i_size, 184 );
1746         b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
1747
1748         p_ts->p_buffer[0] = 0x47;
1749         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
1750                             ( ( p_stream->i_pid >> 8 )&0x1f );
1751         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1752         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
1753                             p_stream->i_continuity_counter;
1754
1755         b_new_pes = VLC_FALSE;
1756         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1757
1758         if( b_adaptation_field )
1759         {
1760             int i_stuffing = 184 - i_copy;
1761             int i;
1762
1763             p_ts->p_buffer[4] = i_stuffing - 1;
1764             if( i_stuffing > 1 )
1765             {
1766                 p_ts->p_buffer[5] = 0x00;
1767                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1768                 {
1769                     p_ts->p_buffer[i] = 0xff;
1770                 }
1771             }
1772         }
1773         /* copy payload */
1774         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
1775         p_data += i_copy;
1776         i_size -= i_copy;
1777
1778         BufferChainAppend( c, p_ts );
1779
1780         if( i_size <= 0 )
1781         {
1782             block_t *p_next = p_pes->p_next;
1783
1784             p_pes->p_next = NULL;
1785             block_Release( p_pes );
1786             if( p_next == NULL )
1787             {
1788                 break;
1789             }
1790             b_new_pes = VLC_TRUE;
1791             p_pes = p_next;
1792             i_size = p_pes->i_buffer;
1793             p_data = p_pes->p_buffer;
1794         }
1795     }
1796
1797     return;
1798 }
1799
1800 static block_t *WritePSISection( sout_instance_t *p_sout,
1801                                        dvbpsi_psi_section_t* p_section )
1802 {
1803     block_t   *p_psi, *p_first = NULL;
1804
1805
1806     while( p_section )
1807     {
1808         int             i_size;
1809
1810         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
1811                   ( p_section->b_syntax_indicator ? 4 : 0 );
1812
1813         p_psi = block_New( p_sout, i_size + 1 );
1814         p_psi->i_pts = 0;
1815         p_psi->i_dts = 0;
1816         p_psi->i_length = 0;
1817         p_psi->i_buffer = i_size + 1;
1818
1819         p_psi->p_buffer[0] = 0; // pointer
1820         memcpy( p_psi->p_buffer + 1,
1821                 p_section->p_data,
1822                 i_size );
1823
1824         block_ChainAppend( &p_first, p_psi );
1825
1826         p_section = p_section->p_next;
1827     }
1828
1829     return( p_first );
1830 }
1831
1832 static void GetPAT( sout_mux_t *p_mux,
1833                     sout_buffer_chain_t *c )
1834 {
1835     sout_mux_sys_t       *p_sys = p_mux->p_sys;
1836     block_t        *p_pat;
1837     dvbpsi_pat_t         pat;
1838     dvbpsi_psi_section_t *p_section;
1839
1840     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
1841                     1 );      // b_current_next
1842     /* add all program (only one) */
1843     dvbpsi_PATAddProgram( &pat,
1844                           p_sys->i_pmt_program_number,                    // i_number
1845                           p_sys->pmt.i_pid );   // i_pid
1846
1847     p_section = dvbpsi_GenPATSections( &pat,
1848                                        0 );     // max program per section
1849
1850     p_pat = WritePSISection( p_mux->p_sout, p_section );
1851
1852     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
1853
1854     dvbpsi_DeletePSISections( p_section );
1855     dvbpsi_EmptyPAT( &pat );
1856 }
1857
1858 static uint32_t GetDescriptorLength24b( int i_length )
1859 {
1860     uint32_t i_l1, i_l2, i_l3;
1861
1862     i_l1 = i_length&0x7f;
1863     i_l2 = ( i_length >> 7 )&0x7f;
1864     i_l3 = ( i_length >> 14 )&0x7f;
1865
1866     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
1867 }
1868
1869 static void GetPMT( sout_mux_t *p_mux,
1870                     sout_buffer_chain_t *c )
1871 {
1872     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1873     block_t   *p_pmt;
1874
1875     dvbpsi_pmt_t        pmt;
1876     dvbpsi_pmt_es_t     *p_es;
1877     dvbpsi_psi_section_t *p_section;
1878
1879     int                 i_stream;
1880
1881     dvbpsi_InitPMT( &pmt,
1882                     p_sys->i_pmt_program_number,   // program number
1883                     p_sys->i_pmt_version_number,
1884                     1,      // b_current_next
1885                     p_sys->i_pcr_pid );
1886
1887     if( p_sys->i_mpeg4_streams > 0 )
1888     {
1889         uint8_t iod[4096];
1890         bits_buffer_t bits;
1891         bits_buffer_t bits_fix_IOD;
1892
1893         /* Make valgrind happy : it works at byte level not bit one so
1894          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
1895          * working (needed when fixing some bits) */
1896         memset( iod, 0, 4096 );
1897
1898         bits_initwrite( &bits, 4096, iod );
1899         // IOD_label_scope
1900         bits_write( &bits, 8,   0x11 );
1901         // IOD_label
1902         bits_write( &bits, 8,   0x01 );
1903         // InitialObjectDescriptor
1904         bits_align( &bits );
1905         bits_write( &bits, 8,   0x02 );     // tag
1906         bits_fix_IOD = bits;    // save states to fix length later
1907         bits_write( &bits, 24,
1908             GetDescriptorLength24b( 0 ) ); // variable length (fixed later)
1909         bits_write( &bits, 10,  0x01 );     // ObjectDescriptorID
1910         bits_write( &bits, 1,   0x00 );     // URL Flag
1911         bits_write( &bits, 1,   0x00 );     // includeInlineProfileLevelFlag
1912         bits_write( &bits, 4,   0x0f );     // reserved
1913         bits_write( &bits, 8,   0xff );     // ODProfile (no ODcapability )
1914         bits_write( &bits, 8,   0xff );     // sceneProfile
1915         bits_write( &bits, 8,   0xfe );     // audioProfile (unspecified)
1916         bits_write( &bits, 8,   0xfe );     // visualProfile( // )
1917         bits_write( &bits, 8,   0xff );     // graphicProfile (no )
1918         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
1919         {
1920             ts_stream_t *p_stream;
1921             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1922
1923             if( p_stream->i_stream_id == 0xfa ||
1924                 p_stream->i_stream_id == 0xfb ||
1925                 p_stream->i_stream_id == 0xfe )
1926             {
1927                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
1928                 /* ES descriptor */
1929                 bits_align( &bits );
1930                 bits_write( &bits, 8,   0x03 );     // ES_DescrTag
1931                 bits_fix_ESDescr = bits;
1932                 bits_write( &bits, 24,
1933                             GetDescriptorLength24b( 0 ) ); // variable size
1934                 bits_write( &bits, 16,  p_stream->i_es_id );
1935                 bits_write( &bits, 1,   0x00 );     // streamDependency
1936                 bits_write( &bits, 1,   0x00 );     // URL Flag
1937                 bits_write( &bits, 1,   0x00 );     // OCRStreamFlag
1938                 bits_write( &bits, 5,   0x1f );     // streamPriority
1939
1940                 // DecoderConfigDesciptor
1941                 bits_align( &bits );
1942                 bits_write( &bits, 8,   0x04 ); // DecoderConfigDescrTag
1943                 bits_fix_Decoder = bits;
1944                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
1945                 if( p_stream->i_stream_type == 0x10 )
1946                 {
1947                     bits_write( &bits, 8, 0x20 );   // Visual 14496-2
1948                     bits_write( &bits, 6, 0x04 );   // VisualStream
1949                 }
1950                 else if( p_stream->i_stream_type == 0x1b )
1951                 {
1952                     bits_write( &bits, 8, 0x21 );   // Visual 14496-2
1953                     bits_write( &bits, 6, 0x04 );   // VisualStream
1954                 }
1955                 else if( p_stream->i_stream_type == 0x11  || p_stream->i_stream_type == 0x0f )
1956                 {
1957                     bits_write( &bits, 8, 0x40 );   // Audio 14496-3
1958                     bits_write( &bits, 6, 0x05 );   // AudioStream
1959                 }
1960                 else if( p_stream->i_stream_type == 0x12 &&
1961                          p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
1962                 {
1963                     bits_write( &bits, 8, 0x0B );   // Text Stream
1964                     bits_write( &bits, 6, 0x04 );   // VisualStream
1965                 }
1966                 else
1967                 {
1968                     bits_write( &bits, 8, 0x00 );
1969                     bits_write( &bits, 6, 0x00 );
1970
1971                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
1972                              "broken IOD" );
1973                 }
1974                 bits_write( &bits, 1,   0x00 );     // UpStream
1975                 bits_write( &bits, 1,   0x01 );     // reserved
1976                 bits_write( &bits, 24,  1024 * 1024 );  // bufferSizeDB
1977                 bits_write( &bits, 32,  0x7fffffff );   // maxBitrate
1978                 bits_write( &bits, 32,  0 );            // avgBitrate
1979
1980                 if( p_stream->i_decoder_specific_info > 0 )
1981                 {
1982                     int i;
1983                     // DecoderSpecificInfo
1984                     bits_align( &bits );
1985                     bits_write( &bits, 8,   0x05 ); // tag
1986                     bits_write( &bits, 24, GetDescriptorLength24b(
1987                                 p_stream->i_decoder_specific_info ) );
1988                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
1989                     {
1990                         bits_write( &bits, 8,
1991                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
1992                     }
1993                 }
1994                 /* fix Decoder length */
1995                 bits_write( &bits_fix_Decoder, 24,
1996                             GetDescriptorLength24b( bits.i_data -
1997                             bits_fix_Decoder.i_data - 3 ) );
1998
1999                 /* SLConfigDescriptor : predifined (0x01) */
2000                 bits_align( &bits );
2001                 bits_write( &bits, 8,   0x06 ); // tag
2002                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2003                 bits_write( &bits, 8,   0x01 ); // predefined
2004                 bits_write( &bits, 1,   0 );   // durationFlag
2005                 bits_write( &bits, 32,  0 );   // OCRResolution
2006                 bits_write( &bits, 8,   0 );   // OCRLength
2007                 bits_write( &bits, 8,   0 );   // InstantBitrateLength
2008                 bits_align( &bits );
2009
2010                 /* fix ESDescr length */
2011                 bits_write( &bits_fix_ESDescr, 24,
2012                             GetDescriptorLength24b( bits.i_data -
2013                             bits_fix_ESDescr.i_data - 3 ) );
2014             }
2015         }
2016         bits_align( &bits );
2017         /* fix IOD length */
2018         bits_write( &bits_fix_IOD, 24,
2019                     GetDescriptorLength24b( bits.i_data -
2020                                             bits_fix_IOD.i_data - 3 ) );
2021         dvbpsi_PMTAddDescriptor( &pmt, 0x1d, bits.i_data, bits.p_data );
2022     }
2023
2024     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2025     {
2026         ts_stream_t *p_stream;
2027
2028         p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2029
2030         p_es = dvbpsi_PMTAddES( &pmt, p_stream->i_stream_type,
2031                                 p_stream->i_pid );
2032         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2033         {
2034             uint8_t     es_id[2];
2035
2036             /* SL descriptor */
2037             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2038             es_id[1] = (p_stream->i_es_id)&0xff;
2039             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2040         }
2041         else if( p_stream->i_stream_type == 0xa0 )
2042         {
2043             uint8_t data[512];
2044             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2045
2046             /* private DIV3 descripor */
2047             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2048             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2049             data[5] = ( p_stream->i_bih_width      )&0xff;
2050             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2051             data[7] = ( p_stream->i_bih_height     )&0xff;
2052             data[8] = ( i_extra >> 8 )&0xff;
2053             data[9] = ( i_extra      )&0xff;
2054             if( i_extra > 0 )
2055             {
2056                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2057             }
2058
2059             /* 0xa0 is private */
2060             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2061         }
2062         else if( p_stream->i_stream_type == 0x81 )
2063         {
2064             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2065
2066             /* "registration" descriptor : "AC-3" */
2067             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2068         }
2069         else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2070         {
2071             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2072
2073             /* DTS format identifier, frame size 1024 - FIXME */
2074             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2075             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2076         }
2077         else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2078         {
2079             dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2080                                        p_stream->i_decoder_specific_info,
2081                                        p_stream->p_decoder_specific_info );
2082         }
2083 #ifdef _DVBPSI_DR_59_H_
2084         else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2085         {
2086             /* DVB subtitles */
2087             dvbpsi_subtitling_dr_t descr;
2088             dvbpsi_subtitle_t sub;
2089             dvbpsi_descriptor_t *p_descr;
2090
2091             memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2092             sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2093             sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2094             sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2095
2096             descr.i_subtitles_number = 1;
2097             descr.p_subtitle[0] = sub;
2098
2099             p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2100             /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2101             dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2102                                        p_descr->i_length, p_descr->p_data );
2103             continue;
2104         }
2105 #endif /* _DVBPSI_DR_59_H_ */
2106
2107         if( p_stream->lang[0] != 0 )
2108         {
2109             uint8_t data[4];
2110
2111             /* I construct the content myself, way faster than looking at
2112              * over complicated/mind broken libdvbpsi way */
2113             data[0] = p_stream->lang[0];
2114             data[1] = p_stream->lang[1];
2115             data[2] = p_stream->lang[2];
2116             data[3] = 0x00; /* audio type: 0x00 undefined */
2117
2118             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4, data );
2119         }
2120     }
2121
2122     p_section = dvbpsi_GenPMTSections( &pmt );
2123
2124     p_pmt = WritePSISection( p_mux->p_sout, p_section );
2125
2126     PEStoTS( p_mux->p_sout, c, p_pmt, &p_sys->pmt );
2127
2128     dvbpsi_DeletePSISections( p_section );
2129     dvbpsi_EmptyPMT( &pmt );
2130 }