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

   1 /*****************************************************************************
   2  * ts.c: MPEG-II TS Muxer
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Eric Petit <titer@videolan.org>
   9  *          Jean-Paul Saman <jpsaman #_at_# m2x.nl>
  10  *          Wallace Wadge <wwadge #_at_# gmail.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30 #include <stdlib.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc_sout.h>
  34 #include <vlc_codecs.h>
  35 #include <vlc_block.h>
  36
  37 #include "iso_lang.h"
  38
  39 #include "bits.h"
  40 #include "pes.h"
  41 #include "csa.h"
  42
  43 #ifdef HAVE_DVBPSI_DR_H
  44 #   include <dvbpsi/dvbpsi.h>
  45 #   include <dvbpsi/demux.h>
  46 #   include <dvbpsi/descriptor.h>
  47 #   include <dvbpsi/pat.h>
  48 #   include <dvbpsi/pmt.h>
  49 #   include <dvbpsi/sdt.h>
  50 #   include <dvbpsi/dr.h>
  51 #   include <dvbpsi/psi.h>
  52 #else
  53 #   include "dvbpsi.h"
  54 #   include "demux.h"
  55 #   include "descriptor.h"
  56 #   include "tables/pat.h"
  57 #   include "tables/pmt.h"
  58 #   include "tables/sdt.h"
  59 #   include "descriptors/dr.h"
  60 #   include "psi.h"
  61 #endif
  62
  63 /*
  64  * TODO:
  65  *  - check PCR frequency requirement
  66  *  - check PAT/PMT  "        "
  67  *  - check PCR/PCR "soft"
  68  *  - check if "registration" descriptor : "AC-3" should be a program
  69  *    descriptor or an es one. (xine want an es one)
  70  *
  71  *  - remove creation of PAT/PMT without dvbpsi
  72  *  - ?
  73  * FIXME:
  74  *  - subtitle support is far from perfect. I expect some subtitles drop
  75  *    if they arrive a bit late
  76  *    (We cannot rely on the fact that the fifo should be full)
  77  */
  78 /*****************************************************************************
  79  * Module descriptor
  80  *****************************************************************************/
  81 static int     Open   ( vlc_object_t * );
  82 static void    Close  ( vlc_object_t * );
  83
  84 #define VPID_TEXT N_("Video PID")
  85 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
  86   "PID will automatically be the video.")
  87 #define APID_TEXT N_("Audio PID")
  88 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
  89 #define SPUPID_TEXT N_("SPU PID")
  90 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
  91 #define PMTPID_TEXT N_("PMT PID")
  92 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
  93 #define TSID_TEXT N_("TS ID")
  94 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
  95 #define NETID_TEXT N_("NET ID")
  96 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
  97
  98 #define PMTPROG_TEXT N_("PMT Program numbers")
  99 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
 100                             "requires \"Set PID to ID of ES\" to be enabled." )
 101
 102 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
 103 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
 104                            "requires \"Set PID to ID of ES\" to be enabled." )
 105
 106 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
 107 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
 108                         "requires \"Set PID to ID of ES\" to be enabled." )
 109
 110 #define PID_TEXT N_("Set PID to ID of ES")
 111 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
 112   "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
 113   "and output streams.")
 114
 115 #define ALIGNMENT_TEXT N_("Data alignment")
 116 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
 117   "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
 118
 119 #define SHAPING_TEXT N_("Shaping delay (ms)")
 120 #define SHAPING_LONGTEXT N_("Cut the " \
 121   "stream in slices of the given duration, and ensure a constant bitrate " \
 122   "between the two boundaries. This avoids having huge bitrate peaks, " \
 123   "especially for reference frames." )
 124
 125 #define KEYF_TEXT N_("Use keyframes")
 126 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
 127   "the TS muxer will place the boundaries at the end of I pictures. In " \
 128   "that case, the shaping duration given by the user is a worse case " \
 129   "used when no reference frame is available. This enhances the efficiency " \
 130   "of the shaping algorithm, since I frames are usually the biggest " \
 131   "frames in the stream.")
 132
 133 #define PCR_TEXT N_("PCR delay (ms)")
 134 #define PCR_LONGTEXT N_("Set at which interval " \
 135   "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
 136   "This value should be below 100ms. (default is 70ms).")
 137
 138 #define BMIN_TEXT N_( "Minimum B (deprecated)")
 139 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
 140
 141 #define BMAX_TEXT N_( "Maximum B (deprecated)")
 142 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
 143
 144 #define DTS_TEXT N_("DTS delay (ms)")
 145 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
 146   "stamps) and PTS (presentation timestamps) of the data in the " \
 147   "stream, compared to the PCRs. This allows for some buffering inside " \
 148   "the client decoder.")
 149
 150 #define ACRYPT_TEXT N_("Crypt audio")
 151 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
 152 #define VCRYPT_TEXT N_("Crypt video")
 153 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
 154
 155 #define CK_TEXT N_("CSA Key")
 156 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
 157   "16 char string (8 hexadecimal bytes).")
 158
 159 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
 160 /// \bug [String] Extra space
 161 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
 162     "The encryption routines subtract the TS-header from the value before " \
 163     "encrypting. " )
 164
 165 #define SOUT_CFG_PREFIX "sout-ts-"
 166 #ifdef HAVE_BSEARCH
 167 #   define MAX_PMT 64       /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 168 #else
 169 #   define MAX_PMT 1
 170 #endif
 171 #define MAX_PMT_PID 64       /* Maximum pids in each pmt.  FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 172
 173 vlc_module_begin();
 174     set_description( _("TS muxer (libdvbpsi)") );
 175     set_shortname( "MPEG-TS");
 176     set_category( CAT_SOUT );
 177     set_subcategory( SUBCAT_SOUT_MUX );
 178     set_capability( "sout mux", 120 );
 179     add_shortcut( "ts" );
 180
 181     add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
 182                                   VLC_TRUE );
 183     add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
 184                  APID_LONGTEXT, VLC_TRUE );
 185     add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
 186                  SPUPID_LONGTEXT, VLC_TRUE );
 187     add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
 188                  PMTPID_LONGTEXT, VLC_TRUE );
 189     add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
 190                  TSID_LONGTEXT, VLC_TRUE );
 191 #ifdef HAVE_DVBPSI_SDT
 192     add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
 193                  NETID_LONGTEXT, VLC_TRUE );
 194 #endif
 195     add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
 196                 PMTPROG_LONGTEXT, VLC_TRUE );
 197     add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
 198               VLC_TRUE );
 199     add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, VLC_TRUE );
 200 #ifdef HAVE_DVBPSI_SDT
 201     add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, VLC_TRUE );
 202 #endif
 203     add_bool( SOUT_CFG_PREFIX "alignment", VLC_TRUE, NULL, ALIGNMENT_TEXT,
 204               ALIGNMENT_LONGTEXT, VLC_TRUE );
 205
 206     add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
 207                  SHAPING_LONGTEXT, VLC_TRUE );
 208     add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
 209               KEYF_LONGTEXT, VLC_TRUE );
 210
 211     add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
 212                  VLC_TRUE );
 213     add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
 214                  VLC_TRUE );
 215     add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
 216                  VLC_TRUE );
 217     add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
 218                  DTS_LONGTEXT, VLC_TRUE );
 219
 220     add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
 221               ACRYPT_LONGTEXT, VLC_TRUE );
 222     add_bool( SOUT_CFG_PREFIX "crypt-video", VLC_TRUE, NULL, VCRYPT_TEXT,
 223               VCRYPT_LONGTEXT, VLC_TRUE );
 224
 225     add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
 226                 VLC_TRUE );
 227     add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, VLC_TRUE );
 228
 229     set_callbacks( Open, Close );
 230 vlc_module_end();
 231
 232 /*****************************************************************************
 233  * Local data structures
 234  *****************************************************************************/
 235 static const char *ppsz_sout_options[] = {
 236     "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
 237     "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
 238     "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
 239     "muxpmt", "sdtdesc", "program-pmt", "alignment",
 240     NULL
 241 };
 242
 243 typedef struct pmt_map_t   /* Holds the mapping between the pmt-pid/pmt table */
 244 {
 245     int i_pid;
 246     unsigned long i_prog;
 247 } pmt_map_t;
 248
 249 typedef struct sdt_desc_t
 250 {
 251     char *psz_provider;
 252     char *psz_service_name;  /* name of program */
 253 } sdt_desc_t;
 254
 255 typedef struct
 256 {
 257     int     i_depth;
 258     block_t *p_first;
 259     block_t **pp_last;
 260 } sout_buffer_chain_t;
 261
 262 static inline void BufferChainInit  ( sout_buffer_chain_t *c )
 263 {
 264     c->i_depth = 0;
 265     c->p_first = NULL;
 266     c->pp_last = &c->p_first;
 267 }
 268
 269 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
 270 {
 271     *c->pp_last = b;
 272     c->i_depth++;
 273
 274     while( b->p_next )
 275     {
 276         b = b->p_next;
 277         c->i_depth++;
 278     }
 279     c->pp_last = &b->p_next;
 280 }
 281
 282 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
 283 {
 284     block_t *b = c->p_first;
 285
 286     if( b )
 287     {
 288         c->i_depth--;
 289         c->p_first = b->p_next;
 290
 291         if( c->p_first == NULL )
 292         {
 293             c->pp_last = &c->p_first;
 294         }
 295
 296         b->p_next = NULL;
 297     }
 298     return b;
 299 }
 300
 301 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
 302 {
 303     block_t *b = c->p_first;
 304
 305     return b;
 306 }
 307
 308 static inline void BufferChainClean( sout_instance_t *p_sout,
 309                                      sout_buffer_chain_t *c )
 310 {
 311     block_t *b;
 312
 313     while( ( b = BufferChainGet( c ) ) )
 314     {
 315         block_Release( b );
 316     }
 317     BufferChainInit( c );
 318 }
 319
 320 typedef struct ts_stream_t
 321 {
 322     int             i_pid;
 323     vlc_fourcc_t    i_codec;
 324
 325     int             i_stream_type;
 326     int             i_stream_id;
 327     int             i_continuity_counter;
 328     vlc_bool_t      b_discontinuity;
 329
 330     /* to be used for carriege of DIV3 */
 331     vlc_fourcc_t    i_bih_codec;
 332     int             i_bih_width, i_bih_height;
 333
 334     /* Specific to mpeg4 in mpeg2ts */
 335     int             i_es_id;
 336
 337     int             i_decoder_specific_info;
 338     uint8_t         *p_decoder_specific_info;
 339
 340     /* language is iso639-2T */
 341     int             i_langs;
 342     uint8_t         *lang;
 343
 344     sout_buffer_chain_t chain_pes;
 345     mtime_t             i_pes_dts;
 346     mtime_t             i_pes_length;
 347     int                 i_pes_used;
 348     vlc_bool_t          b_key_frame;
 349
 350 } ts_stream_t;
 351
 352 struct sout_mux_sys_t
 353 {
 354     int             i_pcr_pid;
 355     sout_input_t    *p_pcr_input;
 356
 357     int             i_audio_bound;
 358     int             i_video_bound;
 359
 360     vlc_bool_t      b_es_id_pid;
 361     vlc_bool_t      b_sdt;
 362     int             i_pid_video;
 363     int             i_pid_audio;
 364     int             i_pid_spu;
 365     int             i_pid_free; /* first usable pid */
 366
 367     int             i_tsid;
 368     int             i_netid;
 369     int             i_num_pmt;
 370     int             i_pmtslots;
 371     int             i_pat_version_number;
 372     ts_stream_t     pat;
 373
 374     int             i_pmt_version_number;
 375     ts_stream_t     pmt[MAX_PMT];
 376     pmt_map_t       pmtmap[MAX_PMT_PID];
 377     int             i_pmt_program_number[MAX_PMT];
 378     sdt_desc_t      sdt_descriptors[MAX_PMT];
 379     vlc_bool_t      b_data_alignment;
 380
 381     int             i_mpeg4_streams;
 382
 383     int             i_null_continuity_counter;  /* Needed ? */
 384     ts_stream_t     sdt;
 385     dvbpsi_pmt_t    *dvbpmt;
 386
 387     /* for TS building */
 388     int64_t             i_bitrate_min;
 389     int64_t             i_bitrate_max;
 390
 391     int64_t             i_shaping_delay;
 392     int64_t             i_pcr_delay;
 393
 394     int64_t             i_dts_delay;
 395
 396     vlc_bool_t          b_use_key_frames;
 397
 398     mtime_t             i_pcr;  /* last PCR emited */
 399
 400     csa_t               *csa;
 401     int                 i_csa_pkt_size;
 402     vlc_bool_t          b_crypt_audio;
 403     vlc_bool_t          b_crypt_video;
 404 };
 405
 406 /* Reserve a pid and return it */
 407 static int  AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
 408 {
 409     int i_pid;
 410     if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
 411     {
 412         i_pid = p_sys->i_pid_video;
 413         p_sys->i_pid_video = 0;
 414     }
 415     else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
 416     {
 417         i_pid = p_sys->i_pid_audio;
 418         p_sys->i_pid_audio = 0;
 419     }
 420     else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
 421     {
 422         i_pid = p_sys->i_pid_spu;
 423         p_sys->i_pid_spu = 0;
 424     }
 425     else
 426     {
 427         i_pid = ++p_sys->i_pid_free;
 428     }
 429     return i_pid;
 430 }
 431
 432 static int pmtcompare( const void *pa, const void *pb )
 433 {
 434     if ( ((pmt_map_t *)pa)->i_pid  < ((pmt_map_t *)pb)->i_pid )
 435         return -1;
 436     else if ( ((pmt_map_t *)pa)->i_pid  > ((pmt_map_t *)pb)->i_pid )
 437         return 1;
 438     else
 439         return 0;
 440 }
 441
 442 static int intcompare( const void *pa, const void *pb )
 443 {
 444     if ( *(int *)pa  < *(int *)pb )
 445         return -1;
 446     else if ( *(int *)pa > *(int *)pb )
 447         return 1;
 448     else
 449         return 0;
 450 }
 451
 452 /*****************************************************************************
 453  * Local prototypes
 454  *****************************************************************************/
 455 static int Control  ( sout_mux_t *, int, va_list );
 456 static int AddStream( sout_mux_t *, sout_input_t * );
 457 static int DelStream( sout_mux_t *, sout_input_t * );
 458 static int Mux      ( sout_mux_t * );
 459
 460 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
 461 static void TSSchedule  ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 462                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 463 static void TSDate      ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 464                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 465 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 466 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 467
 468 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
 469 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
 470
 471 static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
 472
 473 /*****************************************************************************
 474  * Open:
 475  *****************************************************************************/
 476 static int Open( vlc_object_t *p_this )
 477 {
 478     sout_mux_t          *p_mux =(sout_mux_t*)p_this;
 479     sout_mux_sys_t      *p_sys = NULL;
 480     vlc_value_t         val;
 481     int i;
 482
 483     config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
 484
 485     p_sys = malloc( sizeof( sout_mux_sys_t ) );
 486     if( !p_sys )
 487         return VLC_ENOMEM;
 488     p_sys->i_pmtslots = p_sys->b_sdt = 0;
 489     p_sys->i_num_pmt = 1;
 490     p_sys->dvbpmt = NULL;
 491     memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
 492
 493     p_mux->pf_control   = Control;
 494     p_mux->pf_addstream = AddStream;
 495     p_mux->pf_delstream = DelStream;
 496     p_mux->pf_mux       = Mux;
 497     p_mux->p_sys        = p_sys;
 498
 499     srand( (uint32_t)mdate() );
 500     for ( i = 0; i < MAX_PMT; i++ )
 501         p_sys->sdt_descriptors[i].psz_service_name
 502             = p_sys->sdt_descriptors[i].psz_provider = NULL;
 503     memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
 504
 505     p_sys->i_audio_bound = 0;
 506     p_sys->i_video_bound = 0;
 507
 508     var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
 509     p_sys->b_es_id_pid = val.b_bool;
 510
 511     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 512     /*
 513        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 514        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 515     */
 516     if( val.psz_string != NULL && *val.psz_string )
 517     {
 518         char *psz_next;
 519         char *psz = val.psz_string;
 520         uint16_t i_pid;
 521         psz_next = psz;
 522
 523         while( psz != NULL )
 524         {
 525             i_pid = strtoul( psz, &psz_next, 0 );
 526
 527             if ( strlen(psz_next) > 0 )
 528                 psz = &psz_next[1];
 529             if ( i_pid == 0 )
 530             {
 531                 p_sys->i_num_pmt++;
 532                 if ( p_sys->i_num_pmt > MAX_PMT )
 533                 {
 534                     msg_Err( p_mux,
 535              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 536                     p_sys->i_num_pmt = MAX_PMT;
 537                 }
 538             }
 539             else
 540             {
 541                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 542                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 543                 p_sys->i_pmtslots++;
 544                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 545                 {
 546                     msg_Err( p_mux,
 547              "Number of pids in PMT greater than compiled maximum (%d)",
 548                              MAX_PMT_PID );
 549                     p_sys->i_pmtslots = MAX_PMT_PID;
 550                 }
 551             }
 552
 553             /* Now sort according to pids for fast search later on */
 554             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 555                    sizeof(pmt_map_t), &pmtcompare );
 556             if ( !*psz_next )
 557                 psz = NULL;
 558         }
 559     }
 560     if( val.psz_string != NULL) free( val.psz_string );
 561
 562     p_sys->i_pat_version_number = rand() % 32;
 563     p_sys->pat.i_pid = 0;
 564     p_sys->pat.i_continuity_counter = 0;
 565     p_sys->pat.b_discontinuity = VLC_FALSE;
 566
 567     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 568     if ( val.i_int )
 569         p_sys->i_tsid = val.i_int;
 570     else
 571         p_sys->i_tsid = rand() % 65536;
 572
 573     p_sys->i_netid = rand() % 65536;
 574 #ifdef HAVE_DVBPSI_SDT
 575     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 576     if ( val.i_int )
 577         p_sys->i_netid = val.i_int;
 578 #endif
 579
 580     p_sys->i_pmt_version_number = rand() % 32;
 581     for( i = 0; i < p_sys->i_num_pmt; i++ )
 582     {
 583         p_sys->pmt[i].i_continuity_counter = 0;
 584         p_sys->pmt[i].b_discontinuity = VLC_FALSE;
 585     }
 586
 587     p_sys->sdt.i_pid = 0x11;
 588     p_sys->sdt.i_continuity_counter = 0;
 589     p_sys->sdt.b_discontinuity = VLC_FALSE;
 590
 591 #ifdef HAVE_DVBPSI_SDT
 592     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 593     p_sys->b_sdt = val.psz_string && *val.psz_string ? VLC_TRUE : VLC_FALSE;
 594
 595     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 596     if( p_sys->b_sdt )
 597     {
 598
 599         char *psz = val.psz_string;
 600         char *psz_sdttoken = psz;
 601
 602         i = 0;
 603         while ( psz_sdttoken != NULL )
 604         {
 605             char *psz_end = strchr( psz_sdttoken, ',' );
 606             if( psz_end != NULL )
 607             {
 608                 *psz_end++ = '\0';
 609             }
 610             if ( !(i % 2) )
 611             {
 612                 p_sys->sdt_descriptors[i/2].psz_provider
 613                     = strdup(psz_sdttoken);
 614             }
 615             else
 616             {
 617                 p_sys->sdt_descriptors[i/2].psz_service_name
 618                     = strdup(psz_sdttoken);
 619             }
 620
 621             i++;
 622             psz_sdttoken = psz_end;
 623         }
 624     }
 625     if( val.psz_string != NULL ) free( val.psz_string );
 626 #else
 627     p_sys->b_sdt = VLC_FALSE;
 628 #endif
 629
 630     var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
 631     p_sys->b_data_alignment = val.b_bool;
 632
 633     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 634     if( val.psz_string && *val.psz_string )
 635     {
 636         char *psz_next;
 637         char *psz = val.psz_string;
 638         uint16_t i_pid;
 639
 640         psz_next = psz;
 641         i = 0;
 642         while ( psz != NULL )
 643         {
 644             i_pid = strtoul( psz, &psz_next, 0 );
 645             if( strlen(psz_next) > 0 )
 646                 psz = &psz_next[1];
 647             else
 648                 psz = NULL;
 649
 650             if( i_pid == 0 )
 651             {
 652                 if( i > MAX_PMT )
 653                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 654                              MAX_PMT );
 655             }
 656             else
 657             {
 658                 p_sys->i_pmt_program_number[i] = i_pid;
 659                 i++;
 660             }
 661         }
 662     }
 663     else
 664     {
 665         /* Option not specified, use 1, 2, 3... */
 666         for( i = 0; i < p_sys->i_num_pmt; i++ )
 667             p_sys->i_pmt_program_number[i] = i + 1;
 668     }
 669     if( val.psz_string != NULL ) free( val.psz_string );
 670
 671     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 672     if( val.i_int )
 673     {
 674         for( i = 0; i < p_sys->i_num_pmt; i++ )
 675             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 676     }
 677     else
 678     {
 679         for( i = 0; i < p_sys->i_num_pmt; i++ )
 680             p_sys->pmt[i].i_pid = 0x42 + i;
 681     }
 682
 683     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 684
 685     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 686     p_sys->i_pid_video = val.i_int;
 687     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 688     {
 689         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 690     }
 691
 692     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 693     p_sys->i_pid_audio = val.i_int;
 694     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 695     {
 696         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 697     }
 698
 699     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 700     p_sys->i_pid_spu = val.i_int;
 701     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 702     {
 703         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 704     }
 705
 706     p_sys->i_pcr_pid = 0x1fff;
 707     p_sys->p_pcr_input = NULL;
 708
 709     p_sys->i_mpeg4_streams = 0;
 710
 711     p_sys->i_null_continuity_counter = 0;
 712
 713     /* Allow to create constrained stream */
 714     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 715     p_sys->i_bitrate_min = val.i_int;
 716
 717     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 718     p_sys->i_bitrate_max = val.i_int;
 719
 720     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 721         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 722     {
 723         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 724                  "disabling bitrate control" );
 725         p_sys->i_bitrate_min = 0;
 726         p_sys->i_bitrate_max = 0;
 727     }
 728     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 729     {
 730         msg_Err( p_mux, "bmin and bmax no more supported "
 731                  "(if you need them report it)" );
 732     }
 733
 734     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 735     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 736     if( p_sys->i_shaping_delay <= 0 )
 737     {
 738         msg_Err( p_mux,
 739                  "invalid shaping ("I64Fd"ms) resetting to 200ms",
 740                  p_sys->i_shaping_delay / 1000 );
 741         p_sys->i_shaping_delay = 200000;
 742     }
 743
 744     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 745     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 746     if( p_sys->i_pcr_delay <= 0 ||
 747         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 748     {
 749         msg_Err( p_mux,
 750                  "invalid pcr delay ("I64Fd"ms) resetting to 70ms",
 751                  p_sys->i_pcr_delay / 1000 );
 752         p_sys->i_pcr_delay = 70000;
 753     }
 754
 755     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 756     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 757
 758     msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
 759              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 760
 761     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 762     p_sys->b_use_key_frames = val.b_bool;
 763
 764     /* for TS generation */
 765     p_sys->i_pcr    = 0;
 766
 767     p_sys->csa      = NULL;
 768     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 769     if( val.psz_string && *val.psz_string )
 770     {
 771         char *psz = val.psz_string;
 772
 773         /* skip 0x */
 774         if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
 775         {
 776             psz += 2;
 777         }
 778         if( strlen( psz ) != 16 )
 779         {
 780             msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
 781         }
 782         else
 783         {
 784             uint64_t i_ck = strtoull( psz, NULL, 16 );
 785             uint8_t  ck[8];
 786             int      i;
 787
 788             for( i = 0; i < 8; i++ )
 789             {
 790                 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
 791             }
 792 #ifndef TS_NO_CSA_CK_MSG
 793             msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
 794                      ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
 795 #endif
 796             p_sys->csa = csa_New();
 797             if( p_sys->csa )
 798             {
 799                 vlc_value_t pkt_val;
 800
 801                 csa_SetCW( p_sys->csa, ck, ck );
 802
 803                 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 804                 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 805                 {
 806                     msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 807                     msg_Warn( p_mux, "using default packet size of 188 bytes" );
 808                     p_sys->i_csa_pkt_size = 188;
 809                 }
 810                 else p_sys->i_csa_pkt_size = pkt_val.i_int;
 811                 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 812             }
 813         }
 814     }
 815     if( val.psz_string ) free( val.psz_string );
 816
 817     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 818     p_sys->b_crypt_audio = val.b_bool;
 819
 820     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
 821     p_sys->b_crypt_video = val.b_bool;
 822
 823     return VLC_SUCCESS;
 824 }
 825
 826 /*****************************************************************************
 827  * Close:
 828  *****************************************************************************/
 829 static void Close( vlc_object_t * p_this )
 830 {
 831     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 832     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 833     int i;
 834
 835     if( p_sys->csa )
 836     {
 837         csa_Delete( p_sys->csa );
 838     }
 839     for( i = 0; i < MAX_PMT; i++ )
 840     {
 841         if( p_sys->sdt_descriptors[i].psz_service_name != NULL )
 842             free( p_sys->sdt_descriptors[i].psz_service_name );
 843         if( p_sys->sdt_descriptors[i].psz_provider != NULL )
 844             free( p_sys->sdt_descriptors[i].psz_provider );
 845     }
 846
 847     if( p_sys->dvbpmt != NULL )  /* safety */
 848         free ( p_sys->dvbpmt );
 849
 850     free( p_sys );
 851 }
 852
 853 /*****************************************************************************
 854  * Control:
 855  *****************************************************************************/
 856 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 857 {
 858     vlc_bool_t *pb_bool;
 859     char **ppsz;
 860
 861    switch( i_query )
 862    {
 863        case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 864            pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 865            *pb_bool = VLC_TRUE;
 866            return VLC_SUCCESS;
 867
 868        case MUX_GET_ADD_STREAM_WAIT:
 869            pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 870            *pb_bool = VLC_FALSE;
 871            return VLC_SUCCESS;
 872
 873        case MUX_GET_MIME:
 874            ppsz = (char**)va_arg( args, char ** );
 875            *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 876            return VLC_SUCCESS;
 877
 878         default:
 879             return VLC_EGENERIC;
 880    }
 881 }
 882
 883 /*****************************************************************************
 884  * AddStream: called for each stream addition
 885  *****************************************************************************/
 886 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 887 {
 888     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 889     ts_stream_t         *p_stream;
 890     int                  i;
 891
 892     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 893
 894     /* Init this new stream */
 895     if ( p_sys->b_es_id_pid )
 896         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 897     else
 898         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 899     p_stream->i_codec = p_input->p_fmt->i_codec;
 900     p_stream->i_continuity_counter    = 0;
 901     p_stream->b_discontinuity         = VLC_FALSE;
 902     p_stream->i_decoder_specific_info = 0;
 903     p_stream->p_decoder_specific_info = NULL;
 904
 905     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 906              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 907
 908     /* All others fields depand on codec */
 909     switch( p_input->p_fmt->i_cat )
 910     {
 911         case VIDEO_ES:
 912             switch( p_input->p_fmt->i_codec )
 913             {
 914                 case VLC_FOURCC( 'm', 'p','g', 'v' ):
 915                     /* TODO: do we need to check MPEG-I/II ? */
 916                     p_stream->i_stream_type = 0x02;
 917                     p_stream->i_stream_id = 0xe0;
 918                     break;
 919                 case VLC_FOURCC( 'm', 'p','4', 'v' ):
 920                     p_stream->i_stream_type = 0x10;
 921                     p_stream->i_stream_id = 0xe0;
 922                     p_stream->i_es_id = p_stream->i_pid;
 923                     break;
 924                 case VLC_FOURCC( 'h', '2','6', '4' ):
 925                     p_stream->i_stream_type = 0x1b;
 926                     p_stream->i_stream_id = 0xe0;
 927                     break;
 928                 /* XXX dirty dirty but somebody want that:
 929                  *     using crapy MS-codec XXX */
 930                 /* I didn't want to do that :P */
 931                 case VLC_FOURCC( 'H', '2', '6', '3' ):
 932                 case VLC_FOURCC( 'I', '2', '6', '3' ):
 933                 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
 934                 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
 935                 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
 936                 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
 937                 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
 938                 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
 939                 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
 940                     p_stream->i_stream_type = 0xa0; /* private */
 941                     p_stream->i_stream_id = 0xa0;   /* beurk */
 942                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
 943                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
 944                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
 945                     break;
 946                 default:
 947                     free( p_stream );
 948                     return VLC_EGENERIC;
 949             }
 950             p_sys->i_video_bound++;
 951             break;
 952
 953         case AUDIO_ES:
 954             switch( p_input->p_fmt->i_codec )
 955             {
 956                 case VLC_FOURCC( 'm', 'p','g', 'a' ):
 957                     p_stream->i_stream_type =
 958                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
 959                     p_stream->i_stream_id = 0xc0;
 960                     break;
 961                 case VLC_FOURCC( 'a', '5','2', ' ' ):
 962                     p_stream->i_stream_type = 0x81;
 963                     p_stream->i_stream_id = 0xbd;
 964                     break;
 965                 case VLC_FOURCC( 'l', 'p','c', 'm' ):
 966                     p_stream->i_stream_type = 0x83;
 967                     p_stream->i_stream_id = 0xbd;
 968                     break;
 969                 case VLC_FOURCC( 'd', 't','s', ' ' ):
 970                     p_stream->i_stream_type = 0x06;
 971                     p_stream->i_stream_id = 0xbd;
 972                     break;
 973                 case VLC_FOURCC( 'm', 'p','4', 'a' ):
 974                     p_stream->i_stream_type = 0x11;
 975                     p_stream->i_stream_id = 0xfa;
 976                     p_sys->i_mpeg4_streams++;
 977                     p_stream->i_es_id = p_stream->i_pid;
 978                     break;
 979                 default:
 980                     free( p_stream );
 981                     return VLC_EGENERIC;
 982             }
 983             p_sys->i_audio_bound++;
 984             break;
 985
 986         case SPU_ES:
 987             switch( p_input->p_fmt->i_codec )
 988             {
 989                 case VLC_FOURCC( 's', 'p','u', ' ' ):
 990                     p_stream->i_stream_type = 0x82;
 991                     p_stream->i_stream_id = 0xbd;
 992                     break;
 993                 case VLC_FOURCC( 's', 'u','b', 't' ):
 994                     p_stream->i_stream_type = 0x12;
 995                     p_stream->i_stream_id = 0xfa;
 996                     p_sys->i_mpeg4_streams++;
 997                     p_stream->i_es_id = p_stream->i_pid;
 998                     break;
 999                 case VLC_FOURCC('d','v','b','s'):
1000                     p_stream->i_stream_type = 0x06;
1001                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1002                     p_stream->i_stream_id = 0xbd;
1003                     break;
1004                 case VLC_FOURCC('t','e','l','x'):
1005                     p_stream->i_stream_type = 0x06;
1006                     p_stream->i_stream_id = 0xbd; /* FIXME */
1007                     break;
1008                 default:
1009                     free( p_stream );
1010                     return VLC_EGENERIC;
1011             }
1012             break;
1013
1014         default:
1015             free( p_stream );
1016             return VLC_EGENERIC;
1017     }
1018
1019     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1020     p_stream->lang = malloc(p_stream->i_langs*3);
1021     i = 1;
1022     p_stream->lang[0] =
1023     p_stream->lang[1] =
1024     p_stream->lang[2] = '\0';
1025     if( p_input->p_fmt->psz_language )
1026     {
1027         char *psz = p_input->p_fmt->psz_language;
1028         const iso639_lang_t *pl = NULL;
1029
1030         if( strlen( psz ) == 2 )
1031         {
1032             pl = GetLang_1( psz );
1033         }
1034         else if( strlen( psz ) == 3 )
1035         {
1036             pl = GetLang_2B( psz );
1037             if( !strcmp( pl->psz_iso639_1, "??" ) )
1038             {
1039                 pl = GetLang_2T( psz );
1040             }
1041         }
1042         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1043         {
1044             p_stream->lang[0] = pl->psz_iso639_2T[0];
1045             p_stream->lang[1] = pl->psz_iso639_2T[1];
1046             p_stream->lang[2] = pl->psz_iso639_2T[2];
1047
1048             msg_Dbg( p_mux, "    - lang=%c%c%c",
1049                      p_stream->lang[0], p_stream->lang[1],
1050                      p_stream->lang[2] );
1051         }
1052     }
1053     while( i < p_stream->i_langs ) {
1054         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1055         {
1056             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1057             const iso639_lang_t *pl = NULL;
1058
1059             if( strlen( psz ) == 2 )
1060             {
1061                 pl = GetLang_1( psz );
1062             }
1063             else if( strlen( psz ) == 3 )
1064             {
1065                 pl = GetLang_2B( psz );
1066                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1067                 {
1068                     pl = GetLang_2T( psz );
1069                 }
1070             }
1071             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1072             {
1073                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1074                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1075                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1076
1077                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1078                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1079                          p_stream->lang[i*3+2] );
1080             }
1081         }
1082         i++;
1083     }
1084
1085     /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1086     p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1087     if( p_stream->i_decoder_specific_info > 0 )
1088     {
1089         p_stream->p_decoder_specific_info =
1090             malloc( p_stream->i_decoder_specific_info );
1091         memcpy( p_stream->p_decoder_specific_info,
1092                 p_input->p_fmt->p_extra,
1093                 p_input->p_fmt->i_extra );
1094     }
1095
1096     /* Create decoder specific info for subt */
1097     if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1098     {
1099         uint8_t *p;
1100
1101         p_stream->i_decoder_specific_info = 55;
1102         p_stream->p_decoder_specific_info = p =
1103             malloc( p_stream->i_decoder_specific_info );
1104
1105         p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1106         p[1] = 0x00;    /* flags: 1b: associated video info flag
1107                                   3b: reserved
1108                                   1b: duration flag
1109                                   3b: reserved */
1110         p[2] = 52;      /* remaining size */
1111
1112         p += 3;
1113
1114         p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1115         *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1116         *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1117
1118         p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1119         *p++ = 0xff;                    /* background a */
1120
1121         p[0] = p[1] = 0; p += 2;        /* text box top */
1122         p[0] = p[1] = 0; p += 2;        /* text box left */
1123         p[0] = p[1] = 0; p += 2;        /* text box bottom */
1124         p[0] = p[1] = 0; p += 2;        /* text box right */
1125
1126         p[0] = p[1] = 0; p += 2;        /* start char */
1127         p[0] = p[1] = 0; p += 2;        /* end char */
1128         p[0] = p[1] = 0; p += 2;        /* default font id */
1129
1130         *p++ = 0;                       /* font style flags */
1131         *p++ = 12;                      /* font size */
1132
1133         p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1134         *p++ = 0x00;                    /* foreground a */
1135
1136         p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1137         memcpy( p, "ftab", 4 ); p += 4;
1138         *p++ = 0; *p++ = 1;             /* entry count */
1139         p[0] = p[1] = 0; p += 2;        /* font id */
1140         *p++ = 9;                       /* font name length */
1141         memcpy( p, "Helvetica", 9 );    /* font name */
1142     }
1143
1144     /* Init pes chain */
1145     BufferChainInit( &p_stream->chain_pes );
1146     p_stream->i_pes_dts    = 0;
1147     p_stream->i_pes_length = 0;
1148     p_stream->i_pes_used   = 0;
1149     p_stream->b_key_frame  = 0;
1150
1151     /* We only change PMT version (PAT isn't changed) */
1152     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1153
1154     /* Update pcr_pid */
1155     if( p_input->p_fmt->i_cat != SPU_ES &&
1156         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1157     {
1158         if( p_sys->p_pcr_input )
1159         {
1160             /* There was already a PCR stream, so clean context */
1161             /* FIXME */
1162         }
1163         p_sys->i_pcr_pid   = p_stream->i_pid;
1164         p_sys->p_pcr_input = p_input;
1165
1166         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1167     }
1168
1169     return VLC_SUCCESS;
1170 }
1171
1172 /*****************************************************************************
1173  * DelStream: called before a stream deletion
1174  *****************************************************************************/
1175 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1176 {
1177     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1178     ts_stream_t     *p_stream;
1179     vlc_value_t     val;
1180
1181     p_stream = (ts_stream_t*)p_input->p_sys;
1182     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1183
1184     if( p_sys->i_pcr_pid == p_stream->i_pid )
1185     {
1186         int i;
1187
1188         /* Find a new pcr stream (Prefer Video Stream) */
1189         p_sys->i_pcr_pid = 0x1fff;
1190         p_sys->p_pcr_input = NULL;
1191         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1192         {
1193             if( p_mux->pp_inputs[i] == p_input )
1194             {
1195                 continue;
1196             }
1197
1198             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1199             {
1200                 p_sys->i_pcr_pid  =
1201                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1202                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1203                 break;
1204             }
1205             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1206                      p_sys->i_pcr_pid == 0x1fff )
1207             {
1208                 p_sys->i_pcr_pid  =
1209                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1210                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1211             }
1212         }
1213         if( p_sys->p_pcr_input )
1214         {
1215             /* Empty TS buffer */
1216             /* FIXME */
1217         }
1218         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1219     }
1220
1221     /* Empty all data in chain_pes */
1222     BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
1223
1224     if( p_stream->lang )
1225     {
1226         free(p_stream->lang);
1227     }
1228     if( p_stream->p_decoder_specific_info )
1229     {
1230         free( p_stream->p_decoder_specific_info );
1231     }
1232     if( p_stream->i_stream_id == 0xfa ||
1233         p_stream->i_stream_id == 0xfb ||
1234         p_stream->i_stream_id == 0xfe )
1235     {
1236         p_sys->i_mpeg4_streams--;
1237     }
1238
1239     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1240     if( val.i_int > 0 )
1241     {
1242         int i_pid_video = val.i_int;
1243         if ( i_pid_video == p_stream->i_pid )
1244         {
1245             p_sys->i_pid_video = i_pid_video;
1246             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1247         }
1248     }
1249     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1250     if( val.i_int > 0 )
1251     {
1252         int i_pid_audio = val.i_int;
1253         if ( i_pid_audio == p_stream->i_pid )
1254         {
1255             p_sys->i_pid_audio = i_pid_audio;
1256             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1257         }
1258     }
1259     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1260     if( val.i_int > 0 )
1261     {
1262         int i_pid_spu = val.i_int;
1263         if ( i_pid_spu == p_stream->i_pid )
1264         {
1265             p_sys->i_pid_spu = i_pid_spu;
1266             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1267         }
1268     }
1269     free( p_stream );
1270
1271     /* We only change PMT version (PAT isn't changed) */
1272     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1273
1274     return VLC_SUCCESS;
1275 }
1276
1277 /*****************************************************************************
1278  * Mux: Call each time there is new data for at least one stream
1279  *****************************************************************************
1280  *
1281  *****************************************************************************/
1282 static int Mux( sout_mux_t *p_mux )
1283 {
1284     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1285     ts_stream_t     *p_pcr_stream;
1286
1287     if( p_sys->i_pcr_pid == 0x1fff )
1288     {
1289         int i;
1290         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1291         {
1292             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1293         }
1294         msg_Dbg( p_mux, "waiting for PCR streams" );
1295         msleep( 1000 );
1296         return VLC_SUCCESS;
1297     }
1298     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1299
1300     for( ;; )
1301     {
1302         sout_buffer_chain_t chain_ts;
1303         int                 i_packet_count;
1304         int                 i_packet_pos;
1305         mtime_t             i_pcr_dts;
1306         mtime_t             i_pcr_length;
1307         mtime_t             i_shaping_delay;
1308         int i;
1309
1310         if( p_pcr_stream->b_key_frame )
1311         {
1312             i_shaping_delay = p_pcr_stream->i_pes_length;
1313         }
1314         else
1315         {
1316             i_shaping_delay = p_sys->i_shaping_delay;
1317         }
1318
1319         /* 1: get enough PES packet for all input */
1320         for( ;; )
1321         {
1322             vlc_bool_t b_ok = VLC_TRUE;
1323             block_t *p_data;
1324
1325             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1326             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1327             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1328             {
1329                 sout_input_t *p_input;
1330                 ts_stream_t *p_stream;
1331                 int64_t i_spu_delay = 0;
1332
1333                 if( i == -1 )
1334                     p_input = p_sys->p_pcr_input;
1335                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1336                     continue;
1337                 else
1338                     p_input = p_mux->pp_inputs[i];
1339                 p_stream = (ts_stream_t*)p_input->p_sys;
1340
1341                 if( ( p_stream == p_pcr_stream &&
1342                       p_stream->i_pes_length < i_shaping_delay ) ||
1343                     p_stream->i_pes_dts + p_stream->i_pes_length <
1344                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1345                 {
1346                     /* Need more data */
1347                     if( p_input->p_fifo->i_depth <= 1 )
1348                     {
1349                         if( p_input->p_fmt->i_cat == AUDIO_ES ||
1350                             p_input->p_fmt->i_cat == VIDEO_ES )
1351                         {
1352                             /* We need more data */
1353                             return VLC_SUCCESS;
1354                         }
1355                         else if( p_input->p_fifo->i_depth <= 0 )
1356                         {
1357                             /* spu, only one packet is needed */
1358                             continue;
1359                         }
1360                         else
1361                         {
1362                             /* Don't mux the SPU yet if it is too early */
1363                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1364
1365                             i_spu_delay =
1366                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1367
1368                             if( i_spu_delay > i_shaping_delay &&
1369                                 i_spu_delay < I64C(100000000) )
1370                                 continue;
1371
1372                             if ( i_spu_delay >= I64C(100000000)
1373                                   || i_spu_delay < 10000 )
1374                             {
1375                                 BufferChainClean( p_mux->p_sout,
1376                                                   &p_stream->chain_pes );
1377                                 p_stream->i_pes_dts = 0;
1378                                 p_stream->i_pes_used = 0;
1379                                 p_stream->i_pes_length = 0;
1380                                 continue;
1381                             }
1382                         }
1383                     }
1384                     b_ok = VLC_FALSE;
1385
1386                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1387                          || p_input->p_fmt->i_codec !=
1388                              VLC_FOURCC('m', 'p', 'g', 'a') )
1389                         p_data = block_FifoGet( p_input->p_fifo );
1390                     else
1391                         p_data = FixPES( p_mux, p_input->p_fifo );
1392
1393                     if( p_input->p_fifo->i_depth > 0 &&
1394                         p_input->p_fmt->i_cat != SPU_ES )
1395                     {
1396                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1397                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1398                     }
1399                     else if( p_input->p_fmt->i_codec !=
1400                                VLC_FOURCC('s', 'u', 'b', 't' ) )
1401                         p_data->i_length = 1000;
1402
1403                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1404                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1405                           p_pcr_stream->i_pes_length ) ||
1406                         p_data->i_dts < p_stream->i_pes_dts ||
1407                         ( p_stream->i_pes_dts > 0 &&
1408                           p_input->p_fmt->i_cat != SPU_ES &&
1409                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1410                           p_stream->i_pes_length ) )
1411                     {
1412                         msg_Warn( p_mux, "packet with too strange dts "
1413                                   "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1414                                   p_data->i_dts, p_stream->i_pes_dts,
1415                                   p_pcr_stream->i_pes_dts );
1416                         block_Release( p_data );
1417
1418                         BufferChainClean( p_mux->p_sout,
1419                                           &p_stream->chain_pes );
1420                         p_stream->i_pes_dts = 0;
1421                         p_stream->i_pes_used = 0;
1422                         p_stream->i_pes_length = 0;
1423
1424                         if( p_input->p_fmt->i_cat != SPU_ES )
1425                         {
1426                             BufferChainClean( p_mux->p_sout,
1427                                               &p_pcr_stream->chain_pes );
1428                             p_pcr_stream->i_pes_dts = 0;
1429                             p_pcr_stream->i_pes_used = 0;
1430                             p_pcr_stream->i_pes_length = 0;
1431                         }
1432                     }
1433                     else
1434                     {
1435                         int i_header_size = 0;
1436                         int b_data_alignment = 0;
1437                         if( p_input->p_fmt->i_cat == SPU_ES )
1438                         {
1439                             if( p_input->p_fmt->i_codec ==
1440                                 VLC_FOURCC('s','u','b','t') )
1441                             {
1442                                 /* Prepend header */
1443                                 p_data = block_Realloc( p_data, 2,
1444                                                         p_data->i_buffer );
1445                                 p_data->p_buffer[0] =
1446                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1447                                 p_data->p_buffer[1] =
1448                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1449
1450                                 /* remove trailling \0 if any */
1451                                 if( p_data->i_buffer > 2 &&
1452                                     p_data->p_buffer[p_data->i_buffer -1] ==
1453                                     '\0' )
1454                                     p_data->i_buffer--;
1455
1456                                 /* Append a empty sub (sub text only) */
1457                                 if( p_data->i_length > 0 &&
1458                                     !( p_data->i_buffer == 1 &&
1459                                        *p_data->p_buffer == ' ' ) )
1460                                 {
1461                                     block_t *p_spu = block_New( p_mux, 3 );
1462
1463                                     p_spu->i_dts = p_spu->i_pts =
1464                                         p_data->i_dts + p_data->i_length;
1465                                     p_spu->i_length = 1000;
1466
1467                                     p_spu->p_buffer[0] = 0;
1468                                     p_spu->p_buffer[1] = 1;
1469                                     p_spu->p_buffer[2] = ' ';
1470
1471                                     E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1472                                                  p_input->p_fmt,
1473                                                  p_stream->i_stream_id, 1,
1474                                                  0, 0, 0 );
1475                                     p_data->p_next = p_spu;
1476                                 }
1477                             }
1478                             else if( p_input->p_fmt->i_codec ==
1479                                        VLC_FOURCC('t','e','l','x') )
1480                             {
1481                                 /* EN 300 472 */
1482                                 i_header_size = 0x24;
1483                                 b_data_alignment = 1;
1484                             }
1485                             else if( p_input->p_fmt->i_codec ==
1486                                        VLC_FOURCC('d','v','b','s') )
1487                             {
1488                                 /* EN 300 473 */
1489                                 b_data_alignment = 1;
1490                             }
1491                         }
1492                         else if( p_data->i_length < 0 ||
1493                                  p_data->i_length > 2000000 )
1494                         {
1495                             /* FIXME choose a better value, but anyway we
1496                              * should never have to do that */
1497                             p_data->i_length = 1000;
1498                         }
1499
1500                         p_stream->i_pes_length += p_data->i_length;
1501                         if( p_stream->i_pes_dts == 0 )
1502                         {
1503                             p_stream->i_pes_dts = p_data->i_dts;
1504                         }
1505
1506                         /* Convert to pes */
1507                         if( p_stream->i_stream_id == 0xa0 &&
1508                             p_data->i_pts <= 0 )
1509                         {
1510                             /* XXX yes I know, it's awful, but it's needed,
1511                              * so don't remove it ... */
1512                             p_data->i_pts = p_data->i_dts;
1513                         }
1514
1515                         E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1516                                        p_input->p_fmt, p_stream->i_stream_id,
1517                                        1, b_data_alignment, i_header_size, 0 );
1518
1519                         BufferChainAppend( &p_stream->chain_pes, p_data );
1520
1521                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1522                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1523                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1524                             && (p_stream->i_pes_length > 400000) )
1525                         {
1526                             i_shaping_delay = p_stream->i_pes_length;
1527                             p_stream->b_key_frame = 1;
1528                         }
1529                     }
1530                 }
1531             }
1532
1533             if( b_ok )
1534             {
1535                 break;
1536             }
1537         }
1538
1539         /* save */
1540         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1541         i_pcr_length   = p_pcr_stream->i_pes_length;
1542         p_pcr_stream->b_key_frame = 0;
1543
1544         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1545         /* 2: calculate non accurate total size of muxed ts */
1546         i_packet_count = 0;
1547         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1548         {
1549             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1550             block_t *p_pes;
1551
1552             /* False for pcr stream but it will be enough to do PCR algo */
1553             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1554                  p_pes = p_pes->p_next )
1555             {
1556                 int i_size = p_pes->i_buffer;
1557                 if( p_pes->i_dts + p_pes->i_length >
1558                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1559                 {
1560                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1561                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1562                     if( i_frag < 0 )
1563                     {
1564                         /* Next stream */
1565                         break;
1566                     }
1567                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1568                 }
1569                 i_packet_count += ( i_size + 183 ) / 184;
1570             }
1571         }
1572         /* add overhead for PCR (not really exact) */
1573         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1574
1575         /* 3: mux PES into TS */
1576         BufferChainInit( &chain_ts );
1577         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1578         GetPAT( p_mux, &chain_ts );
1579         GetPMT( p_mux, &chain_ts );
1580         i_packet_pos = 0;
1581         i_packet_count += chain_ts.i_depth;
1582         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1583
1584         for( ;; )
1585         {
1586             int         i_stream;
1587             mtime_t     i_dts;
1588             ts_stream_t *p_stream;
1589             sout_input_t *p_input;
1590             block_t *p_ts;
1591             vlc_bool_t   b_pcr;
1592
1593             /* Select stream (lowest dts) */
1594             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1595             {
1596                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1597
1598                 if( p_stream->i_pes_dts == 0 )
1599                 {
1600                     continue;
1601                 }
1602
1603                 if( i_stream == -1 ||
1604                     p_stream->i_pes_dts < i_dts )
1605                 {
1606                     i_stream = i;
1607                     i_dts = p_stream->i_pes_dts;
1608                 }
1609             }
1610             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1611             {
1612                 break;
1613             }
1614             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1615             p_input = p_mux->pp_inputs[i_stream];
1616
1617             /* do we need to issue pcr */
1618             b_pcr = VLC_FALSE;
1619             if( p_stream == p_pcr_stream &&
1620                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1621                 p_sys->i_pcr + p_sys->i_pcr_delay )
1622             {
1623                 b_pcr = VLC_TRUE;
1624                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1625                     i_pcr_length / i_packet_count;
1626             }
1627
1628             /* Build the TS packet */
1629             p_ts = TSNew( p_mux, p_stream, b_pcr );
1630             if( p_sys->csa != NULL &&
1631                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1632                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1633             {
1634                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1635             }
1636             i_packet_pos++;
1637
1638             /* */
1639             BufferChainAppend( &chain_ts, p_ts );
1640         }
1641
1642         /* 4: date and send */
1643         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1644     }
1645 }
1646
1647 #define STD_PES_PAYLOAD 170
1648 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1649 {
1650     block_t *p_data;
1651     int i_size;
1652
1653     p_data = block_FifoShow( p_fifo );
1654     i_size = p_data->i_buffer;
1655
1656     if( i_size == STD_PES_PAYLOAD )
1657     {
1658         return block_FifoGet( p_fifo );
1659     }
1660     else if( i_size > STD_PES_PAYLOAD )
1661     {
1662         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1663         p_mux->p_libvlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1664         p_new->i_pts = p_data->i_pts;
1665         p_new->i_dts = p_data->i_dts;
1666         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1667                             / p_data->i_buffer;
1668         p_data->i_buffer -= STD_PES_PAYLOAD;
1669         p_data->p_buffer += STD_PES_PAYLOAD;
1670         p_data->i_pts += p_new->i_length;
1671         p_data->i_dts += p_new->i_length;
1672         p_data->i_length -= p_new->i_length;
1673         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1674         return p_new;
1675     }
1676     else
1677     {
1678         block_t *p_next;
1679         int i_copy;
1680
1681         p_data = block_FifoGet( p_fifo );
1682         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1683         p_next = block_FifoShow( p_fifo );
1684         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1685         {
1686             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1687             p_data->i_pts = p_next->i_pts;
1688             p_data->i_dts = p_next->i_dts;
1689         }
1690         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1691
1692         p_mux->p_libvlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1693                                  i_copy );
1694         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1695         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1696         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1697         p_next->i_buffer -= i_copy;
1698         p_next->p_buffer += i_copy;
1699         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1700
1701         if( !p_next->i_buffer )
1702         {
1703             p_next = block_FifoGet( p_fifo );
1704             block_Release( p_next );
1705         }
1706         return p_data;
1707     }
1708 }
1709
1710 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1711                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1712 {
1713     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1714     sout_buffer_chain_t new_chain;
1715     int i_packet_count = p_chain_ts->i_depth;
1716     int i;
1717
1718     BufferChainInit( &new_chain );
1719
1720     if ( i_pcr_length <= 0 )
1721     {
1722         i_pcr_length = i_packet_count;
1723     }
1724
1725     for( i = 0; i < i_packet_count; i++ )
1726     {
1727         block_t *p_ts = BufferChainGet( p_chain_ts );
1728         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1729
1730         BufferChainAppend( &new_chain, p_ts );
1731
1732         if( p_ts->i_dts &&
1733             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1734         {
1735             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1736             mtime_t i_cut_dts = p_ts->i_dts;
1737
1738             p_ts = BufferChainPeek( p_chain_ts );
1739             i++;
1740             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1741             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1742             {
1743                 p_ts = BufferChainGet( p_chain_ts );
1744                 i_max_diff = i_new_dts - p_ts->i_dts;
1745                 i_cut_dts = p_ts->i_dts;
1746                 BufferChainAppend( &new_chain, p_ts );
1747
1748                 p_ts = BufferChainPeek( p_chain_ts );
1749                 i++;
1750                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1751             }
1752             msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1753                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1754                      p_chain_ts->i_depth );
1755             if ( new_chain.i_depth )
1756                 TSDate( p_mux, &new_chain,
1757                         i_cut_dts - i_pcr_dts,
1758                         i_pcr_dts );
1759             if ( p_chain_ts->i_depth )
1760                 TSSchedule( p_mux,
1761                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1762                             i_cut_dts );
1763             return;
1764         }
1765     }
1766
1767     if ( new_chain.i_depth )
1768         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1769 }
1770
1771 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1772                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1773 {
1774     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1775     int i_packet_count = p_chain_ts->i_depth;
1776     int i;
1777
1778     if ( i_pcr_length / 1000 > 0 )
1779     {
1780         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1781                           / (uint64_t)(i_pcr_length / 1000);
1782         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1783         {
1784             msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1785                       " (%d bi/s for %d pkt in "I64Fd" us)",
1786                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1787                       i_bitrate, i_packet_count, i_pcr_length);
1788         }
1789 #if 0
1790         else
1791         {
1792             msg_Dbg( p_mux, "starting at "I64Fd
1793                      " (%d bi/s for %d packets in "I64Fd" us)",
1794                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1795                      i_bitrate, i_packet_count, i_pcr_length);
1796         }
1797 #endif
1798     }
1799     else
1800     {
1801         /* This shouldn't happen, but happens in some rare heavy load
1802          * and packet losses conditions. */
1803         i_pcr_length = i_packet_count;
1804     }
1805
1806     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1807     for( i = 0; i < i_packet_count; i++ )
1808     {
1809         block_t *p_ts = BufferChainGet( p_chain_ts );
1810         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1811
1812         p_ts->i_dts    = i_new_dts;
1813         p_ts->i_length = i_pcr_length / i_packet_count;
1814
1815         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1816         {
1817             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1818             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1819         }
1820         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1821         {
1822             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size, 0 );
1823         }
1824
1825         /* latency */
1826         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1827
1828         sout_AccessOutWrite( p_mux->p_access, p_ts );
1829     }
1830 }
1831
1832 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1833                        vlc_bool_t b_pcr )
1834 {
1835     block_t *p_pes = p_stream->chain_pes.p_first;
1836     block_t *p_ts;
1837
1838     vlc_bool_t b_new_pes = VLC_FALSE;
1839     vlc_bool_t b_adaptation_field = VLC_FALSE;
1840
1841     int        i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1842     int        i_payload;
1843
1844     if( p_stream->i_pes_used <= 0 )
1845     {
1846         b_new_pes = VLC_TRUE;
1847     }
1848     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1849                        i_payload_max );
1850
1851     if( b_pcr || i_payload < i_payload_max )
1852     {
1853         b_adaptation_field = VLC_TRUE;
1854     }
1855
1856     p_ts = block_New( p_mux, 188 );
1857     p_ts->i_dts = p_pes->i_dts;
1858
1859     p_ts->p_buffer[0] = 0x47;
1860     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1861         ( ( p_stream->i_pid >> 8 )&0x1f );
1862     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1863     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1864         p_stream->i_continuity_counter;
1865
1866     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1867     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
1868
1869     if( b_adaptation_field )
1870     {
1871         int i;
1872
1873         if( b_pcr )
1874         {
1875             int     i_stuffing = i_payload_max - i_payload;
1876
1877             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1878
1879             p_ts->p_buffer[4] = 7 + i_stuffing;
1880             p_ts->p_buffer[5] = 0x10;   /* flags */
1881             if( p_stream->b_discontinuity )
1882             {
1883                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
1884                 p_stream->b_discontinuity = VLC_FALSE;
1885             }
1886             p_ts->p_buffer[6] = ( 0 )&0xff;
1887             p_ts->p_buffer[7] = ( 0 )&0xff;
1888             p_ts->p_buffer[8] = ( 0 )&0xff;
1889             p_ts->p_buffer[9] = ( 0 )&0xff;
1890             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1891             p_ts->p_buffer[11]= 0;
1892
1893             for( i = 12; i < 12 + i_stuffing; i++ )
1894             {
1895                 p_ts->p_buffer[i] = 0xff;
1896             }
1897         }
1898         else
1899         {
1900             int i_stuffing = i_payload_max - i_payload;
1901
1902             p_ts->p_buffer[4] = i_stuffing - 1;
1903             if( i_stuffing > 1 )
1904             {
1905                 p_ts->p_buffer[5] = 0x00;
1906                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1907                 {
1908                     p_ts->p_buffer[i] = 0xff;
1909                 }
1910             }
1911         }
1912     }
1913
1914     /* copy payload */
1915     memcpy( &p_ts->p_buffer[188 - i_payload],
1916             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1917
1918     p_stream->i_pes_used += i_payload;
1919     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1920         p_stream->i_pes_used / p_pes->i_buffer;
1921     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1922
1923     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1924     {
1925         p_pes = BufferChainGet( &p_stream->chain_pes );
1926         block_Release( p_pes );
1927
1928         p_pes = p_stream->chain_pes.p_first;
1929         if( p_pes )
1930         {
1931             p_stream->i_pes_dts    = p_pes->i_dts;
1932             p_stream->i_pes_length = 0;
1933             while( p_pes )
1934             {
1935                 p_stream->i_pes_length += p_pes->i_length;
1936
1937                 p_pes = p_pes->p_next;
1938             }
1939         }
1940         else
1941         {
1942             p_stream->i_pes_dts = 0;
1943             p_stream->i_pes_length = 0;
1944         }
1945         p_stream->i_pes_used = 0;
1946     }
1947
1948     return p_ts;
1949 }
1950
1951 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1952 {
1953     mtime_t i_pcr = 9 * i_dts / 100;
1954
1955     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
1956     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
1957     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
1958     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
1959     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
1960 }
1961
1962 #if 0
1963 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1964                               mtime_t i_length, int i_bitrate_min,
1965                               int i_bitrate_max )
1966 {
1967     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1968     sout_buffer_chain_t s = *c;
1969
1970     int i_packets = 0;
1971     int i_packets_min = 0;
1972     int i_packets_max = 0;
1973
1974     if( i_length <= 0 )
1975     {
1976         return;
1977     }
1978
1979     i_packets     = c->i_depth;
1980     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
1981     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
1982
1983     if( i_packets < i_packets_min && i_packets_min > 0 )
1984     {
1985         block_t *p_pk;
1986         int i_div = ( i_packets_min - i_packets ) / i_packets;
1987         int i_mod = ( i_packets_min - i_packets ) % i_packets;
1988         int i_rest = 0;
1989
1990         /* We need to pad with null packets (pid=0x1fff)
1991          * We try to melt null packets with true packets */
1992         msg_Dbg( p_mux,
1993                  "packets=%d but min=%d -> adding %d packets of padding",
1994                  i_packets, i_packets_min, i_packets_min - i_packets );
1995
1996         BufferChainInit( c );
1997         while( ( p_pk = BufferChainGet( &s ) ) )
1998         {
1999             int i, i_null;
2000
2001             BufferChainAppend( c, p_pk );
2002
2003             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2004
2005             for( i = 0; i < i_null; i++ )
2006             {
2007                 block_t *p_null;
2008
2009                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2010                 p_null->p_buffer[0] = 0x47;
2011                 p_null->p_buffer[1] = 0x1f;
2012                 p_null->p_buffer[2] = 0xff;
2013                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2014                 memset( &p_null->p_buffer[4], 0, 184 );
2015                 p_sys->i_null_continuity_counter =
2016                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2017
2018                 BufferChainAppend( c, p_null );
2019             }
2020
2021             i_rest = ( i_rest + i_mod ) % i_packets;
2022         }
2023     }
2024     else if( i_packets > i_packets_max && i_packets_max > 0 )
2025     {
2026         block_t *p_pk;
2027         int           i;
2028
2029         /* Arg, we need to drop packets, I don't do something clever (like
2030          * dropping complete pid, b frames, ... ), I just get the right amount
2031          * of packets and discard the others */
2032         msg_Warn( p_mux,
2033                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2034                   i_packets, i_packets_max, i_packets - i_packets_max );
2035
2036         BufferChainInit( c );
2037         for( i = 0; i < i_packets_max; i++ )
2038         {
2039             BufferChainAppend( c, BufferChainGet( &s ) );
2040         }
2041
2042         while( ( p_pk = BufferChainGet( &s ) ) )
2043         {
2044             sout_BufferDelete( p_mux->p_sout, p_pk );
2045         }
2046     }
2047 }
2048 #endif
2049
2050 static void PEStoTS( sout_instance_t *p_sout,
2051                      sout_buffer_chain_t *c, block_t *p_pes,
2052                      ts_stream_t *p_stream )
2053 {
2054     uint8_t *p_data;
2055     int     i_size;
2056     int     b_new_pes;
2057
2058     /* get PES total size */
2059     i_size = p_pes->i_buffer;
2060     p_data = p_pes->p_buffer;
2061
2062     b_new_pes = VLC_TRUE;
2063
2064     for( ;; )
2065     {
2066         int           b_adaptation_field;
2067         int           i_copy;
2068         block_t *p_ts;
2069
2070         p_ts = block_New( p_sout, 188 );
2071         /* write header
2072          * 8b   0x47    sync byte
2073          * 1b           transport_error_indicator
2074          * 1b           payload_unit_start
2075          * 1b           transport_priority
2076          * 13b          pid
2077          * 2b           transport_scrambling_control
2078          * 2b           if adaptation_field 0x03 else 0x01
2079          * 4b           continuity_counter
2080          */
2081
2082         i_copy    = __MIN( i_size, 184 );
2083         b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
2084
2085         p_ts->p_buffer[0] = 0x47;
2086         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2087                             ( ( p_stream->i_pid >> 8 )&0x1f );
2088         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2089         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2090                             p_stream->i_continuity_counter;
2091
2092         b_new_pes = VLC_FALSE;
2093         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2094
2095         if( b_adaptation_field )
2096         {
2097             int i_stuffing = 184 - i_copy;
2098             int i;
2099
2100             p_ts->p_buffer[4] = i_stuffing - 1;
2101             if( i_stuffing > 1 )
2102             {
2103                 p_ts->p_buffer[5] = 0x00;
2104                 if( p_stream->b_discontinuity )
2105                 {
2106                     p_ts->p_buffer[5] |= 0x80;
2107                     p_stream->b_discontinuity = VLC_FALSE;
2108                 }
2109                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2110                 {
2111                     p_ts->p_buffer[i] = 0xff;
2112                 }
2113             }
2114         }
2115         /* copy payload */
2116         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2117         p_data += i_copy;
2118         i_size -= i_copy;
2119
2120         BufferChainAppend( c, p_ts );
2121
2122         if( i_size <= 0 )
2123         {
2124             block_t *p_next = p_pes->p_next;
2125
2126             p_pes->p_next = NULL;
2127             block_Release( p_pes );
2128             if( p_next == NULL )
2129             {
2130                 break;
2131             }
2132             b_new_pes = VLC_TRUE;
2133             p_pes = p_next;
2134             i_size = p_pes->i_buffer;
2135             p_data = p_pes->p_buffer;
2136         }
2137     }
2138
2139     return;
2140 }
2141
2142 static block_t *WritePSISection( sout_instance_t *p_sout,
2143                                        dvbpsi_psi_section_t* p_section )
2144 {
2145     block_t   *p_psi, *p_first = NULL;
2146
2147     while( p_section )
2148     {
2149         int             i_size;
2150
2151         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2152                   ( p_section->b_syntax_indicator ? 4 : 0 );
2153
2154         p_psi = block_New( p_sout, i_size + 1 );
2155         p_psi->i_pts = 0;
2156         p_psi->i_dts = 0;
2157         p_psi->i_length = 0;
2158         p_psi->i_buffer = i_size + 1;
2159
2160         p_psi->p_buffer[0] = 0; /* pointer */
2161         memcpy( p_psi->p_buffer + 1,
2162                 p_section->p_data,
2163                 i_size );
2164
2165         block_ChainAppend( &p_first, p_psi );
2166
2167         p_section = p_section->p_next;
2168     }
2169
2170     return( p_first );
2171 }
2172
2173 static void GetPAT( sout_mux_t *p_mux,
2174                     sout_buffer_chain_t *c )
2175 {
2176     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2177     block_t              *p_pat;
2178     dvbpsi_pat_t         pat;
2179     dvbpsi_psi_section_t *p_section;
2180     int i;
2181
2182     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2183                     1 );      /* b_current_next */
2184     /* add all programs */
2185     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2186         dvbpsi_PATAddProgram( &pat,
2187                               p_sys->i_pmt_program_number[i],
2188                               p_sys->pmt[i].i_pid );
2189
2190     p_section = dvbpsi_GenPATSections( &pat,
2191                                        0 );     /* max program per section */
2192
2193     p_pat = WritePSISection( p_mux->p_sout, p_section );
2194
2195     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2196
2197     dvbpsi_DeletePSISections( p_section );
2198     dvbpsi_EmptyPAT( &pat );
2199 }
2200
2201 static uint32_t GetDescriptorLength24b( int i_length )
2202 {
2203     uint32_t i_l1, i_l2, i_l3;
2204
2205     i_l1 = i_length&0x7f;
2206     i_l2 = ( i_length >> 7 )&0x7f;
2207     i_l3 = ( i_length >> 14 )&0x7f;
2208
2209     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2210 }
2211
2212 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2213 {
2214     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2215     block_t   *p_pmt[MAX_PMT];
2216     block_t   *p_sdt;
2217
2218     dvbpsi_sdt_t        sdt;
2219     dvbpsi_pmt_es_t     *p_es;
2220     dvbpsi_psi_section_t *p_section[MAX_PMT], *p_section2;
2221     dvbpsi_sdt_service_t *p_service;
2222     char            *psz_sdt_desc;
2223     int             i_pidinput;
2224
2225     int             i_stream;
2226     int             i;
2227     int             *p_usepid = NULL;
2228
2229     if( p_sys->dvbpmt == NULL )
2230         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2231 #ifdef HAVE_DVBPSI_SDT
2232     if( p_sys->b_sdt )
2233         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2234 #endif
2235
2236     for( i = 0; i < p_sys->i_num_pmt; i++ )
2237     {
2238         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2239                         p_sys->i_pmt_program_number[i],   /* program number */
2240                         p_sys->i_pmt_version_number,
2241                         1,      /* b_current_next */
2242                         p_sys->i_pcr_pid );
2243
2244 #ifdef HAVE_DVBPSI_SDT
2245         if( p_sys->b_sdt )
2246         {
2247             p_service = dvbpsi_SDTAddService( &sdt,
2248                 p_sys->i_pmt_program_number[i],  /* service id */
2249                 0,         /* eit schedule */
2250                 0,         /* eit present */
2251                 4,         /* running status ("4=RUNNING") */
2252                 0 );       /* free ca */
2253
2254 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2255 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2256
2257             /* FIXME: Ineffecient malloc's & ugly code......  */
2258             if( psz_sdtprov != NULL && psz_sdtserv != NULL )
2259             {
2260                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2261                                          + strlen(psz_sdtserv) );
2262                 psz_sdt_desc[0] = 0x01; /* digital television service */
2263
2264                 /* service provider name length */
2265                 psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2266                 memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2267
2268                 /* service name length */
2269                 psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2270                     = (char)strlen(psz_sdtserv);
2271                 memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2272                         strlen(psz_sdtserv) );
2273
2274                 dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2275                         3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2276                         psz_sdt_desc );
2277                 free( psz_sdt_desc );
2278             }
2279 #undef psz_sdtprov
2280 #undef psz_sdtserv
2281         }
2282 #endif
2283     }
2284
2285     if( p_sys->i_mpeg4_streams > 0 )
2286     {
2287         uint8_t iod[4096];
2288         bits_buffer_t bits;
2289         bits_buffer_t bits_fix_IOD;
2290
2291         /* Make valgrind happy : it works at byte level not bit one so
2292          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2293          * working (needed when fixing some bits) */
2294         memset( iod, 0, 4096 );
2295
2296         bits_initwrite( &bits, 4096, iod );
2297         /* IOD_label_scope */
2298         bits_write( &bits, 8,   0x11 );
2299         /* IOD_label */
2300         bits_write( &bits, 8,   0x01 );
2301         /* InitialObjectDescriptor */
2302         bits_align( &bits );
2303         bits_write( &bits, 8,   0x02 );     /* tag */
2304         bits_fix_IOD = bits;    /* save states to fix length later */
2305         bits_write( &bits, 24,
2306             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2307         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2308         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2309         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2310         bits_write( &bits, 4,   0x0f );     /* reserved */
2311         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2312         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2313         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2314         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2315         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2316         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2317         {
2318             ts_stream_t *p_stream;
2319             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2320
2321             if( p_stream->i_stream_id == 0xfa ||
2322                 p_stream->i_stream_id == 0xfb ||
2323                 p_stream->i_stream_id == 0xfe )
2324             {
2325                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2326                 /* ES descriptor */
2327                 bits_align( &bits );
2328                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2329                 bits_fix_ESDescr = bits;
2330                 bits_write( &bits, 24,
2331                             GetDescriptorLength24b( 0 ) ); /* variable size */
2332                 bits_write( &bits, 16,  p_stream->i_es_id );
2333                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2334                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2335                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2336                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2337
2338                 /* DecoderConfigDesciptor */
2339                 bits_align( &bits );
2340                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2341                 bits_fix_Decoder = bits;
2342                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2343                 if( p_stream->i_stream_type == 0x10 )
2344                 {
2345                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2346                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2347                 }
2348                 else if( p_stream->i_stream_type == 0x1b )
2349                 {
2350                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2351                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2352                 }
2353                 else if( p_stream->i_stream_type == 0x11  || p_stream->i_stream_type == 0x0f )
2354                 {
2355                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2356                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2357                 }
2358                 else if( p_stream->i_stream_type == 0x12 &&
2359                          p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2360                 {
2361                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2362                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2363                 }
2364                 else
2365                 {
2366                     bits_write( &bits, 8, 0x00 );
2367                     bits_write( &bits, 6, 0x00 );
2368
2369                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2370                              "broken IOD" );
2371                 }
2372                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2373                 bits_write( &bits, 1,   0x01 );         /* reserved */
2374                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2375                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2376                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2377
2378                 if( p_stream->i_decoder_specific_info > 0 )
2379                 {
2380                     int i;
2381                     /* DecoderSpecificInfo */
2382                     bits_align( &bits );
2383                     bits_write( &bits, 8,   0x05 ); /* tag */
2384                     bits_write( &bits, 24, GetDescriptorLength24b(
2385                                 p_stream->i_decoder_specific_info ) );
2386                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2387                     {
2388                         bits_write( &bits, 8,
2389                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2390                     }
2391                 }
2392                 /* fix Decoder length */
2393                 bits_write( &bits_fix_Decoder, 24,
2394                             GetDescriptorLength24b( bits.i_data -
2395                             bits_fix_Decoder.i_data - 3 ) );
2396
2397                 /* SLConfigDescriptor : predefined (0x01) */
2398                 bits_align( &bits );
2399                 bits_write( &bits, 8,   0x06 ); /* tag */
2400                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2401                 bits_write( &bits, 8,   0x01 );/* predefined */
2402                 bits_write( &bits, 1,   0 );   /* durationFlag */
2403                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2404                 bits_write( &bits, 8,   0 );   /* OCRLength */
2405                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2406                 bits_align( &bits );
2407
2408                 /* fix ESDescr length */
2409                 bits_write( &bits_fix_ESDescr, 24,
2410                             GetDescriptorLength24b( bits.i_data -
2411                             bits_fix_ESDescr.i_data - 3 ) );
2412             }
2413         }
2414         bits_align( &bits );
2415         /* fix IOD length */
2416         bits_write( &bits_fix_IOD, 24,
2417                     GetDescriptorLength24b( bits.i_data -
2418                                             bits_fix_IOD.i_data - 3 ) );
2419
2420 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2421         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2422         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2423                             sizeof(pmt_map_t), intcompare );
2424         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2425                             sizeof(pmt_map_t), pmtcompare );
2426         if( p_usepid != NULL )
2427             dvbpsi_PMTAddDescriptor(
2428                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2429                     bits.i_data, bits.p_data );
2430         else
2431             msg_Err( p_mux, "Received an unmapped PID" );
2432 #else
2433         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2434                                  bits.p_data );
2435 #endif
2436     }
2437
2438     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2439     {
2440         ts_stream_t *p_stream;
2441
2442         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2443
2444 #ifdef HAVE_BSEARCH
2445         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2446         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2447                             sizeof(pmt_map_t), intcompare );
2448
2449         if( p_usepid != NULL )
2450             p_es = dvbpsi_PMTAddES(
2451                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2452                     p_stream->i_stream_type, p_stream->i_pid );
2453         else
2454             /* If there's an error somewhere, dump it to the first pmt */
2455 #endif
2456             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2457                                     p_stream->i_pid );
2458
2459         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2460         {
2461             uint8_t     es_id[2];
2462
2463             /* SL descriptor */
2464             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2465             es_id[1] = (p_stream->i_es_id)&0xff;
2466             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2467         }
2468         else if( p_stream->i_stream_type == 0xa0 )
2469         {
2470             uint8_t data[512];
2471             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2472
2473             /* private DIV3 descripor */
2474             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2475             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2476             data[5] = ( p_stream->i_bih_width      )&0xff;
2477             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2478             data[7] = ( p_stream->i_bih_height     )&0xff;
2479             data[8] = ( i_extra >> 8 )&0xff;
2480             data[9] = ( i_extra      )&0xff;
2481             if( i_extra > 0 )
2482             {
2483                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2484             }
2485
2486             /* 0xa0 is private */
2487             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2488         }
2489         else if( p_stream->i_stream_type == 0x81 )
2490         {
2491             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2492
2493             /* "registration" descriptor : "AC-3" */
2494             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2495         }
2496         else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2497         {
2498             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2499
2500             /* DTS format identifier, frame size 1024 - FIXME */
2501             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2502             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2503         }
2504         else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2505         {
2506             if( p_stream->i_decoder_specific_info )
2507             {
2508                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2509                                            p_stream->i_decoder_specific_info,
2510                                            p_stream->p_decoder_specific_info );
2511             }
2512             continue;
2513         }
2514         else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2515         {
2516             /* DVB subtitles */
2517             if( p_stream->i_decoder_specific_info )
2518             {
2519                 /* pass-through from the TS demux */
2520                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2521                                            p_stream->i_decoder_specific_info,
2522                                            p_stream->p_decoder_specific_info );
2523             }
2524 #ifdef _DVBPSI_DR_59_H_
2525             else
2526             {
2527                 /* from the dvbsub transcoder */
2528                 dvbpsi_subtitling_dr_t descr;
2529                 dvbpsi_subtitle_t sub;
2530                 dvbpsi_descriptor_t *p_descr;
2531
2532                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2533                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2534                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2535                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2536
2537                 descr.i_subtitles_number = 1;
2538                 descr.p_subtitle[0] = sub;
2539
2540                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2541                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2542                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2543                                            p_descr->i_length, p_descr->p_data );
2544             }
2545 #endif /* _DVBPSI_DR_59_H_ */
2546             continue;
2547         }
2548
2549         if( p_stream->lang[0] != 0 )
2550         {
2551             uint8_t data[4*p_stream->i_langs];
2552
2553             /* I construct the content myself, way faster than looking at
2554              * over complicated/mind broken libdvbpsi way */
2555             for(i = 0; i < p_stream->i_langs; i++ )
2556             {
2557                 data[i*4+0] = p_stream->lang[i*3+0];
2558                 data[i*4+1] = p_stream->lang[i*3+1];
2559                 data[i*4+2] = p_stream->lang[i*3+2];
2560                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2561             }
2562             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2563         }
2564     }
2565
2566     for( i = 0; i < p_sys->i_num_pmt; i++ )
2567     {
2568         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2569         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2570         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2571         dvbpsi_DeletePSISections( p_section[i] );
2572         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2573     }
2574
2575 #ifdef HAVE_DVBPSI_SDT
2576     if( p_sys->b_sdt )
2577     {
2578         p_section2 = dvbpsi_GenSDTSections( &sdt );
2579         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2580         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2581         dvbpsi_DeletePSISections( p_section2 );
2582         dvbpsi_EmptySDT( &sdt );
2583     }
2584 #endif
2585 }