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
  31 #ifdef HAVE_CONFIG_H
  32 # include "config.h"
  33 #endif
  34
  35 #include <limits.h>
  36
  37 #include <vlc_common.h>
  38 #include <vlc_plugin.h>
  39 #include <vlc_sout.h>
  40 #include <vlc_block.h>
  41 #include <vlc_rand.h>
  42
  43 #include <vlc_iso_lang.h>
  44
  45 #include "bits.h"
  46 #include "pes.h"
  47 #include "csa.h"
  48
  49 #ifdef HAVE_DVBPSI_DR_H
  50 #   include <dvbpsi/dvbpsi.h>
  51 #   include <dvbpsi/demux.h>
  52 #   include <dvbpsi/descriptor.h>
  53 #   include <dvbpsi/pat.h>
  54 #   include <dvbpsi/pmt.h>
  55 #   include <dvbpsi/sdt.h>
  56 #   include <dvbpsi/dr.h>
  57 #   include <dvbpsi/psi.h>
  58 #else
  59 #   include "dvbpsi.h"
  60 #   include "demux.h"
  61 #   include "descriptor.h"
  62 #   include "tables/pat.h"
  63 #   include "tables/pmt.h"
  64 #   include "tables/sdt.h"
  65 #   include "descriptors/dr.h"
  66 #   include "psi.h"
  67 #endif
  68
  69 /*
  70  * TODO:
  71  *  - check PCR frequency requirement
  72  *  - check PAT/PMT  "        "
  73  *  - check PCR/PCR "soft"
  74  *  - check if "registration" descriptor : "AC-3" should be a program
  75  *    descriptor or an es one. (xine want an es one)
  76  *
  77  *  - remove creation of PAT/PMT without dvbpsi
  78  *  - ?
  79  * FIXME:
  80  *  - subtitle support is far from perfect. I expect some subtitles drop
  81  *    if they arrive a bit late
  82  *    (We cannot rely on the fact that the fifo should be full)
  83  */
  84
  85 /*****************************************************************************
  86  * Callback prototypes
  87  *****************************************************************************/
  88 static int ChangeKeyCallback    ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
  89 static int ActiveKeyCallback    ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
  90
  91 /*****************************************************************************
  92  * Module descriptor
  93  *****************************************************************************/
  94 static int     Open   ( vlc_object_t * );
  95 static void    Close  ( vlc_object_t * );
  96
  97 #define VPID_TEXT N_("Video PID")
  98 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
  99   "PID will automatically be the video.")
 100 #define APID_TEXT N_("Audio PID")
 101 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
 102 #define SPUPID_TEXT N_("SPU PID")
 103 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
 104 #define PMTPID_TEXT N_("PMT PID")
 105 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
 106 #define TSID_TEXT N_("TS ID")
 107 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
 108 #define NETID_TEXT N_("NET ID")
 109 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
 110
 111 #define PMTPROG_TEXT N_("PMT Program numbers")
 112 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
 113                             "requires \"Set PID to ID of ES\" to be enabled." )
 114
 115 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
 116 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
 117                            "requires \"Set PID to ID of ES\" to be enabled." )
 118
 119 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
 120 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
 121                         "requires \"Set PID to ID of ES\" to be enabled." )
 122
 123 #define PID_TEXT N_("Set PID to ID of ES")
 124 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
 125   "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
 126   "and output streams.")
 127
 128 #define ALIGNMENT_TEXT N_("Data alignment")
 129 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
 130   "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
 131
 132 #define SHAPING_TEXT N_("Shaping delay (ms)")
 133 #define SHAPING_LONGTEXT N_("Cut the " \
 134   "stream in slices of the given duration, and ensure a constant bitrate " \
 135   "between the two boundaries. This avoids having huge bitrate peaks, " \
 136   "especially for reference frames." )
 137
 138 #define KEYF_TEXT N_("Use keyframes")
 139 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
 140   "the TS muxer will place the boundaries at the end of I pictures. In " \
 141   "that case, the shaping duration given by the user is a worse case " \
 142   "used when no reference frame is available. This enhances the efficiency " \
 143   "of the shaping algorithm, since I frames are usually the biggest " \
 144   "frames in the stream.")
 145
 146 #define PCR_TEXT N_("PCR interval (ms)")
 147 #define PCR_LONGTEXT N_("Set at which interval " \
 148   "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
 149   "This value should be below 100ms. (default is 70ms).")
 150
 151 #define BMIN_TEXT N_( "Minimum B (deprecated)")
 152 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
 153
 154 #define BMAX_TEXT N_( "Maximum B (deprecated)")
 155 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
 156
 157 #define DTS_TEXT N_("DTS delay (ms)")
 158 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
 159   "stamps) and PTS (presentation timestamps) of the data in the " \
 160   "stream, compared to the PCRs. This allows for some buffering inside " \
 161   "the client decoder.")
 162
 163 #define ACRYPT_TEXT N_("Crypt audio")
 164 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
 165 #define VCRYPT_TEXT N_("Crypt video")
 166 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
 167
 168 #define CK_TEXT N_("CSA Key")
 169 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
 170   "16 char string (8 hexadecimal bytes).")
 171
 172 #define CK2_TEXT N_("Second CSA Key")
 173 #define CK2_LONGTEXT N_("The even CSA encryption key. This must be a " \
 174   "16 char string (8 hexadecimal bytes).")
 175
 176 #define CU_TEXT N_("CSA Key in use")
 177 #define CU_LONGTEXT N_("CSA encryption key used. It can be the odd/first/1 " \
 178   "(default) or the even/second/2 one.")
 179
 180 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
 181 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
 182     "The encryption routines subtract the TS-header from the value before " \
 183     "encrypting." )
 184
 185 #define SOUT_CFG_PREFIX "sout-ts-"
 186 #define MAX_PMT 64       /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 187 #define MAX_PMT_PID 64       /* Maximum pids in each pmt.  FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 188
 189 vlc_module_begin ()
 190     set_description( N_("TS muxer (libdvbpsi)") )
 191     set_shortname( "MPEG-TS")
 192     set_category( CAT_SOUT )
 193     set_subcategory( SUBCAT_SOUT_MUX )
 194     set_capability( "sout mux", 120 )
 195     add_shortcut( "ts" )
 196
 197     add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
 198                                   true )
 199     add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
 200                  APID_LONGTEXT, true )
 201     add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
 202                  SPUPID_LONGTEXT, true )
 203     add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
 204                  PMTPID_LONGTEXT, true )
 205     add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
 206                  TSID_LONGTEXT, true )
 207 #ifdef HAVE_DVBPSI_SDT
 208     add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
 209                  NETID_LONGTEXT, true )
 210 #endif
 211     add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
 212                 PMTPROG_LONGTEXT, true )
 213     add_bool( SOUT_CFG_PREFIX "es-id-pid", false, NULL, PID_TEXT, PID_LONGTEXT,
 214               true )
 215     add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, true )
 216 #ifdef HAVE_DVBPSI_SDT
 217     add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, true )
 218 #endif
 219     add_bool( SOUT_CFG_PREFIX "alignment", true, NULL, ALIGNMENT_TEXT,
 220               ALIGNMENT_LONGTEXT, true )
 221
 222     add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL, SHAPING_TEXT,
 223                  SHAPING_LONGTEXT, true )
 224     add_bool( SOUT_CFG_PREFIX "use-key-frames", false, NULL, KEYF_TEXT,
 225               KEYF_LONGTEXT, true )
 226
 227     add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
 228                  true )
 229     add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
 230                  true )
 231     add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
 232                  true )
 233     add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
 234                  DTS_LONGTEXT, true )
 235
 236     add_bool( SOUT_CFG_PREFIX "crypt-audio", true, NULL, ACRYPT_TEXT,
 237               ACRYPT_LONGTEXT, true )
 238     add_bool( SOUT_CFG_PREFIX "crypt-video", true, NULL, VCRYPT_TEXT,
 239               VCRYPT_LONGTEXT, true )
 240
 241     add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
 242                 true )
 243     add_string( SOUT_CFG_PREFIX "csa2-ck", NULL, NULL, CK2_TEXT, CK2_LONGTEXT,
 244                 true )
 245     add_string( SOUT_CFG_PREFIX "csa-use", "1", NULL, CU_TEXT, CU_LONGTEXT,
 246                 true )
 247     add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, true )
 248
 249     set_callbacks( Open, Close )
 250 vlc_module_end ()
 251
 252 /*****************************************************************************
 253  * Local data structures
 254  *****************************************************************************/
 255 static const char *const ppsz_sout_options[] = {
 256     "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
 257     "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
 258     "dts-delay", "csa-ck", "csa2-ck", "csa-use", "csa-pkt", "crypt-audio", "crypt-video",
 259     "muxpmt", "sdtdesc", "program-pmt", "alignment",
 260     NULL
 261 };
 262
 263 typedef struct pmt_map_t   /* Holds the mapping between the pmt-pid/pmt table */
 264 {
 265     int i_pid;
 266     unsigned long i_prog;
 267 } pmt_map_t;
 268
 269 typedef struct sdt_desc_t
 270 {
 271     char *psz_provider;
 272     char *psz_service_name;  /* name of program */
 273 } sdt_desc_t;
 274
 275 typedef struct
 276 {
 277     int     i_depth;
 278     block_t *p_first;
 279     block_t **pp_last;
 280 } sout_buffer_chain_t;
 281
 282 static inline void BufferChainInit  ( sout_buffer_chain_t *c )
 283 {
 284     c->i_depth = 0;
 285     c->p_first = NULL;
 286     c->pp_last = &c->p_first;
 287 }
 288
 289 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
 290 {
 291     *c->pp_last = b;
 292     c->i_depth++;
 293
 294     while( b->p_next )
 295     {
 296         b = b->p_next;
 297         c->i_depth++;
 298     }
 299     c->pp_last = &b->p_next;
 300 }
 301
 302 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
 303 {
 304     block_t *b = c->p_first;
 305
 306     if( b )
 307     {
 308         c->i_depth--;
 309         c->p_first = b->p_next;
 310
 311         if( c->p_first == NULL )
 312         {
 313             c->pp_last = &c->p_first;
 314         }
 315
 316         b->p_next = NULL;
 317     }
 318     return b;
 319 }
 320
 321 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
 322 {
 323     block_t *b = c->p_first;
 324
 325     return b;
 326 }
 327
 328 static inline void BufferChainClean( sout_buffer_chain_t *c )
 329 {
 330     block_t *b;
 331
 332     while( ( b = BufferChainGet( c ) ) )
 333     {
 334         block_Release( b );
 335     }
 336     BufferChainInit( c );
 337 }
 338
 339 typedef struct ts_stream_t
 340 {
 341     int             i_pid;
 342     vlc_fourcc_t    i_codec;
 343
 344     int             i_stream_type;
 345     int             i_stream_id;
 346     int             i_continuity_counter;
 347     bool            b_discontinuity;
 348
 349     /* to be used for carriege of DIV3 */
 350     vlc_fourcc_t    i_bih_codec;
 351     int             i_bih_width, i_bih_height;
 352
 353     /* Specific to mpeg4 in mpeg2ts */
 354     int             i_es_id;
 355
 356     int             i_decoder_specific_info;
 357     uint8_t         *p_decoder_specific_info;
 358
 359     /* language is iso639-2T */
 360     int             i_langs;
 361     uint8_t         *lang;
 362
 363     sout_buffer_chain_t chain_pes;
 364     mtime_t             i_pes_dts;
 365     mtime_t             i_pes_length;
 366     int                 i_pes_used;
 367     bool                b_key_frame;
 368
 369 } ts_stream_t;
 370
 371 struct sout_mux_sys_t
 372 {
 373     int             i_pcr_pid;
 374     sout_input_t    *p_pcr_input;
 375
 376     vlc_mutex_t     csa_lock;
 377
 378     int             i_audio_bound;
 379     int             i_video_bound;
 380
 381     bool            b_es_id_pid;
 382     bool            b_sdt;
 383     int             i_pid_video;
 384     int             i_pid_audio;
 385     int             i_pid_spu;
 386     int             i_pid_free; /* first usable pid */
 387
 388     int             i_tsid;
 389     int             i_netid;
 390     int             i_num_pmt;
 391     int             i_pmtslots;
 392     int             i_pat_version_number;
 393     ts_stream_t     pat;
 394
 395     int             i_pmt_version_number;
 396     ts_stream_t     pmt[MAX_PMT];
 397     pmt_map_t       pmtmap[MAX_PMT_PID];
 398     int             i_pmt_program_number[MAX_PMT];
 399     sdt_desc_t      sdt_descriptors[MAX_PMT];
 400     bool            b_data_alignment;
 401
 402     int             i_mpeg4_streams;
 403
 404     int             i_null_continuity_counter;  /* Needed ? */
 405     ts_stream_t     sdt;
 406     dvbpsi_pmt_t    *dvbpmt;
 407
 408     /* for TS building */
 409     int64_t         i_bitrate_min;
 410     int64_t         i_bitrate_max;
 411
 412     int64_t         i_shaping_delay;
 413     int64_t         i_pcr_delay;
 414
 415     int64_t         i_dts_delay;
 416
 417     bool            b_use_key_frames;
 418
 419     mtime_t         i_pcr;  /* last PCR emited */
 420
 421     csa_t           *csa;
 422     int             i_csa_pkt_size;
 423     bool            b_crypt_audio;
 424     bool            b_crypt_video;
 425 };
 426
 427 /* Reserve a pid and return it */
 428 static int  AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
 429 {
 430     int i_pid;
 431     if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
 432     {
 433         i_pid = p_sys->i_pid_video;
 434         p_sys->i_pid_video = 0;
 435     }
 436     else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
 437     {
 438         i_pid = p_sys->i_pid_audio;
 439         p_sys->i_pid_audio = 0;
 440     }
 441     else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
 442     {
 443         i_pid = p_sys->i_pid_spu;
 444         p_sys->i_pid_spu = 0;
 445     }
 446     else
 447     {
 448         i_pid = ++p_sys->i_pid_free;
 449     }
 450     return i_pid;
 451 }
 452
 453 static int pmtcompare( const void *pa, const void *pb )
 454 {
 455     if ( ((pmt_map_t *)pa)->i_pid  < ((pmt_map_t *)pb)->i_pid )
 456         return -1;
 457     else if ( ((pmt_map_t *)pa)->i_pid  > ((pmt_map_t *)pb)->i_pid )
 458         return 1;
 459     else
 460         return 0;
 461 }
 462
 463 static int intcompare( const void *pa, const void *pb )
 464 {
 465     if ( *(int *)pa  < *(int *)pb )
 466         return -1;
 467     else if ( *(int *)pa > *(int *)pb )
 468         return 1;
 469     else
 470         return 0;
 471 }
 472
 473 /*****************************************************************************
 474  * Local prototypes
 475  *****************************************************************************/
 476 static int Control  ( sout_mux_t *, int, va_list );
 477 static int AddStream( sout_mux_t *, sout_input_t * );
 478 static int DelStream( sout_mux_t *, sout_input_t * );
 479 static int Mux      ( sout_mux_t * );
 480
 481 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
 482 static block_t *Add_ADTS( block_t *, es_format_t * );
 483 static void TSSchedule  ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 484                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 485 static void TSDate      ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 486                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 487 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 488 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 489
 490 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, bool b_pcr );
 491 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
 492
 493 static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
 494
 495 /*****************************************************************************
 496  * Open:
 497  *****************************************************************************/
 498 static int Open( vlc_object_t *p_this )
 499 {
 500     sout_mux_t          *p_mux =(sout_mux_t*)p_this;
 501     sout_mux_sys_t      *p_sys = NULL;
 502     vlc_value_t         val;
 503     int i;
 504
 505     config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
 506
 507     p_sys = malloc( sizeof( sout_mux_sys_t ) );
 508     if( !p_sys )
 509         return VLC_ENOMEM;
 510     p_sys->i_pmtslots = p_sys->b_sdt = 0;
 511     p_sys->i_num_pmt = 1;
 512     p_sys->dvbpmt = NULL;
 513     memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
 514
 515     vlc_mutex_init( &p_sys->csa_lock );
 516
 517     p_mux->pf_control   = Control;
 518     p_mux->pf_addstream = AddStream;
 519     p_mux->pf_delstream = DelStream;
 520     p_mux->pf_mux       = Mux;
 521     p_mux->p_sys        = p_sys;
 522
 523     for ( i = 0; i < MAX_PMT; i++ )
 524         p_sys->sdt_descriptors[i].psz_service_name
 525             = p_sys->sdt_descriptors[i].psz_provider = NULL;
 526     memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
 527
 528     p_sys->i_audio_bound = 0;
 529     p_sys->i_video_bound = 0;
 530
 531     p_sys->b_es_id_pid = var_GetBool( p_mux, SOUT_CFG_PREFIX "es-id-pid" );
 532
 533     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 534     /*
 535        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 536        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 537     */
 538     if( val.psz_string != NULL && *val.psz_string )
 539     {
 540         char *psz_next;
 541         char *psz = val.psz_string;
 542         uint16_t i_pid;
 543         psz_next = psz;
 544
 545         while( psz != NULL )
 546         {
 547             i_pid = strtoul( psz, &psz_next, 0 );
 548
 549             if ( strlen(psz_next) > 0 )
 550                 psz = &psz_next[1];
 551             if ( i_pid == 0 )
 552             {
 553                 p_sys->i_num_pmt++;
 554                 if ( p_sys->i_num_pmt > MAX_PMT )
 555                 {
 556                     msg_Err( p_mux,
 557              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 558                     p_sys->i_num_pmt = MAX_PMT;
 559                 }
 560             }
 561             else
 562             {
 563                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 564                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 565                 p_sys->i_pmtslots++;
 566                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 567                 {
 568                     msg_Err( p_mux,
 569              "Number of pids in PMT greater than compiled maximum (%d)",
 570                              MAX_PMT_PID );
 571                     p_sys->i_pmtslots = MAX_PMT_PID;
 572                 }
 573             }
 574
 575             /* Now sort according to pids for fast search later on */
 576             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 577                    sizeof(pmt_map_t), &pmtcompare );
 578             if ( !*psz_next )
 579                 psz = NULL;
 580         }
 581     }
 582     free( val.psz_string );
 583
 584     unsigned short subi[3];
 585     vlc_rand_bytes(subi, sizeof(subi));
 586     p_sys->i_pat_version_number = nrand48(subi) & 0x1f;
 587     p_sys->pat.i_pid = 0;
 588     p_sys->pat.i_continuity_counter = 0;
 589     p_sys->pat.b_discontinuity = false;
 590
 591     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 592     if ( val.i_int )
 593         p_sys->i_tsid = val.i_int;
 594     else
 595         p_sys->i_tsid = nrand48(subi) & 0xffff;
 596
 597     p_sys->i_netid = nrand48(subi) & 0xffff;
 598 #ifdef HAVE_DVBPSI_SDT
 599     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 600     if ( val.i_int )
 601         p_sys->i_netid = val.i_int;
 602 #endif
 603
 604     p_sys->i_pmt_version_number = nrand48(subi) & 0x1f;
 605     for( i = 0; i < p_sys->i_num_pmt; i++ )
 606     {
 607         p_sys->pmt[i].i_continuity_counter = 0;
 608         p_sys->pmt[i].b_discontinuity = false;
 609     }
 610
 611     p_sys->sdt.i_pid = 0x11;
 612     p_sys->sdt.i_continuity_counter = 0;
 613     p_sys->sdt.b_discontinuity = false;
 614
 615 #ifdef HAVE_DVBPSI_SDT
 616     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 617     p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
 618
 619     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 620     if( p_sys->b_sdt )
 621     {
 622
 623         char *psz = val.psz_string;
 624         char *psz_sdttoken = psz;
 625
 626         i = 0;
 627         while ( psz_sdttoken != NULL )
 628         {
 629             char *psz_end = strchr( psz_sdttoken, ',' );
 630             if( psz_end != NULL )
 631             {
 632                 *psz_end++ = '\0';
 633             }
 634             if ( !(i % 2) )
 635             {
 636                 p_sys->sdt_descriptors[i/2].psz_provider
 637                     = strdup(psz_sdttoken);
 638             }
 639             else
 640             {
 641                 p_sys->sdt_descriptors[i/2].psz_service_name
 642                     = strdup(psz_sdttoken);
 643             }
 644
 645             i++;
 646             psz_sdttoken = psz_end;
 647         }
 648     }
 649     free( val.psz_string );
 650 #else
 651     p_sys->b_sdt = false;
 652 #endif
 653
 654     p_sys->b_data_alignment = var_GetBool( p_mux, SOUT_CFG_PREFIX "alignment" );
 655
 656     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 657     if( val.psz_string && *val.psz_string )
 658     {
 659         char *psz_next;
 660         char *psz = val.psz_string;
 661         uint16_t i_pid;
 662
 663         psz_next = psz;
 664         i = 0;
 665         while ( psz != NULL )
 666         {
 667             i_pid = strtoul( psz, &psz_next, 0 );
 668             if( strlen(psz_next) > 0 )
 669                 psz = &psz_next[1];
 670             else
 671                 psz = NULL;
 672
 673             if( i_pid == 0 )
 674             {
 675                 if( i > MAX_PMT )
 676                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 677                              MAX_PMT );
 678             }
 679             else
 680             {
 681                 p_sys->i_pmt_program_number[i] = i_pid;
 682                 i++;
 683             }
 684         }
 685     }
 686     else
 687     {
 688         /* Option not specified, use 1, 2, 3... */
 689         for( i = 0; i < p_sys->i_num_pmt; i++ )
 690             p_sys->i_pmt_program_number[i] = i + 1;
 691     }
 692     free( val.psz_string );
 693
 694     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 695     if( val.i_int )
 696     {
 697         for( i = 0; i < p_sys->i_num_pmt; i++ )
 698             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 699     }
 700     else
 701     {
 702         for( i = 0; i < p_sys->i_num_pmt; i++ )
 703             p_sys->pmt[i].i_pid = 0x42 + i;
 704     }
 705
 706     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 707
 708     p_sys->i_pid_video = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-video" );
 709     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 710     {
 711         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 712     }
 713
 714     p_sys->i_pid_audio = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-audio" );
 715     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 716     {
 717         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 718     }
 719
 720     p_sys->i_pid_spu = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-spu" );
 721     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 722     {
 723         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 724     }
 725
 726     p_sys->i_pcr_pid = 0x1fff;
 727     p_sys->p_pcr_input = NULL;
 728
 729     p_sys->i_mpeg4_streams = 0;
 730
 731     p_sys->i_null_continuity_counter = 0;
 732
 733     /* Allow to create constrained stream */
 734     p_sys->i_bitrate_min = var_GetInteger( p_mux, SOUT_CFG_PREFIX "bmin" );
 735
 736     p_sys->i_bitrate_max = var_GetInteger( p_mux, SOUT_CFG_PREFIX "bmax" );
 737
 738     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 739         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 740     {
 741         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 742                  "disabling bitrate control" );
 743         p_sys->i_bitrate_min = 0;
 744         p_sys->i_bitrate_max = 0;
 745     }
 746     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 747     {
 748         msg_Err( p_mux, "bmin and bmax no more supported "
 749                  "(if you need them report it)" );
 750     }
 751
 752     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 753     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 754     if( p_sys->i_shaping_delay <= 0 )
 755     {
 756         msg_Err( p_mux,
 757                  "invalid shaping (%"PRId64"ms) resetting to 200ms",
 758                  p_sys->i_shaping_delay / 1000 );
 759         p_sys->i_shaping_delay = 200000;
 760     }
 761
 762     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 763     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 764     if( p_sys->i_pcr_delay <= 0 ||
 765         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 766     {
 767         msg_Err( p_mux,
 768                  "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
 769                  p_sys->i_pcr_delay / 1000 );
 770         p_sys->i_pcr_delay = 70000;
 771     }
 772
 773     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 774     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 775
 776     msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
 777              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 778
 779     p_sys->b_use_key_frames = var_GetBool( p_mux, SOUT_CFG_PREFIX "use-key-frames" );
 780
 781     /* for TS generation */
 782     p_sys->i_pcr    = 0;
 783
 784     p_sys->csa      = NULL;
 785     var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 786     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 787     if( val.psz_string && *val.psz_string )
 788     {
 789         int i_res;
 790         vlc_value_t csa2;
 791
 792         p_sys->csa = csa_New();
 793
 794         var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 795         var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
 796         i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
 797         if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
 798         {
 799             if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
 800             {
 801                 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 802             }
 803         }
 804         else if( i_res == VLC_SUCCESS )
 805         {
 806             csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 807         }
 808         else
 809         {
 810             csa_Delete( p_sys->csa );
 811             p_sys->csa = NULL;
 812         }
 813
 814         if( p_sys->csa )
 815         {
 816             vlc_value_t use_val, pkt_val;
 817
 818             var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 819             var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
 820             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 821             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
 822             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 823
 824             if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
 825             {
 826                 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
 827             }
 828             free( use_val.psz_string );
 829
 830             var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 831             if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 832             {
 833                 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 834                 msg_Warn( p_mux, "using default packet size of 188 bytes" );
 835                 p_sys->i_csa_pkt_size = 188;
 836             }
 837             else p_sys->i_csa_pkt_size = pkt_val.i_int;
 838             msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 839         }
 840         free( csa2.psz_string );
 841     }
 842     free( val.psz_string );
 843
 844     p_sys->b_crypt_audio = var_GetBool( p_mux, SOUT_CFG_PREFIX "crypt-audio" );
 845
 846     p_sys->b_crypt_video = var_GetBool( p_mux, SOUT_CFG_PREFIX "crypt-video" );
 847
 848     return VLC_SUCCESS;
 849 }
 850
 851 /*****************************************************************************
 852  * Close:
 853  *****************************************************************************/
 854 static void Close( vlc_object_t * p_this )
 855 {
 856     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 857     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 858     int i;
 859
 860     if( p_sys->csa )
 861     {
 862         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
 863         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 864         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 865         csa_Delete( p_sys->csa );
 866     }
 867
 868     for( i = 0; i < MAX_PMT; i++ )
 869     {
 870         free( p_sys->sdt_descriptors[i].psz_service_name );
 871         free( p_sys->sdt_descriptors[i].psz_provider );
 872     }
 873
 874     vlc_mutex_destroy( &p_sys->csa_lock );
 875     free( p_sys->dvbpmt );
 876     free( p_sys );
 877 }
 878
 879 /*****************************************************************************
 880  * ChangeKeyCallback: called when changing the odd encryption key on the fly.
 881  *****************************************************************************/
 882 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 883                            vlc_value_t oldval, vlc_value_t newval,
 884                            void *p_data )
 885 {
 886     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 887     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 888     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 889     int ret;
 890
 891     vlc_mutex_lock( &p_sys->csa_lock );
 892     ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
 893                      !!(intptr_t)p_data );
 894     vlc_mutex_unlock( &p_sys->csa_lock );
 895
 896     return ret;
 897 }
 898
 899 /*****************************************************************************
 900  * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
 901  *****************************************************************************/
 902 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 903                            vlc_value_t oldval, vlc_value_t newval,
 904                            void *p_data )
 905 {
 906     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
 907     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 908     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 909     int             i_res = VLC_EBADVAR;
 910
 911     vlc_mutex_lock( &p_sys->csa_lock );
 912     if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
 913     {
 914         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
 915     }
 916     else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
 917     {
 918         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
 919     }
 920     vlc_mutex_unlock( &p_sys->csa_lock );
 921
 922     return i_res;
 923 }
 924
 925 /*****************************************************************************
 926  * Control:
 927  *****************************************************************************/
 928 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 929 {
 930     VLC_UNUSED(p_mux);
 931     bool *pb_bool;
 932     char **ppsz;
 933
 934     switch( i_query )
 935     {
 936         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 937             pb_bool = (bool*)va_arg( args, bool * );
 938             *pb_bool = true;
 939             return VLC_SUCCESS;
 940
 941         case MUX_GET_ADD_STREAM_WAIT:
 942             pb_bool = (bool*)va_arg( args, bool * );
 943             *pb_bool = false;
 944             return VLC_SUCCESS;
 945
 946         case MUX_GET_MIME:
 947             ppsz = (char**)va_arg( args, char ** );
 948             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 949             return VLC_SUCCESS;
 950
 951         default:
 952             return VLC_EGENERIC;
 953     }
 954 }
 955
 956 /*****************************************************************************
 957  * AddStream: called for each stream addition
 958  *****************************************************************************/
 959 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 960 {
 961     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 962     ts_stream_t         *p_stream;
 963     int                  i;
 964
 965     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 966     if( !p_input->p_sys )
 967         return VLC_ENOMEM;
 968
 969     /* Init this new stream */
 970     if ( p_sys->b_es_id_pid )
 971         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 972     else
 973         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 974     p_stream->i_codec = p_input->p_fmt->i_codec;
 975     p_stream->i_continuity_counter    = 0;
 976     p_stream->b_discontinuity         = false;
 977     p_stream->i_decoder_specific_info = 0;
 978     p_stream->p_decoder_specific_info = NULL;
 979
 980     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 981              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 982
 983     /* All others fields depand on codec */
 984     switch( p_input->p_fmt->i_cat )
 985     {
 986         case VIDEO_ES:
 987             switch( p_input->p_fmt->i_codec )
 988             {
 989                 case VLC_CODEC_MPGV:
 990                     /* TODO: do we need to check MPEG-I/II ? */
 991                     p_stream->i_stream_type = 0x02;
 992                     p_stream->i_stream_id = 0xe0;
 993                     break;
 994                 case VLC_CODEC_MP4V:
 995                     p_stream->i_stream_type = 0x10;
 996                     p_stream->i_stream_id = 0xe0;
 997                     p_stream->i_es_id = p_stream->i_pid;
 998                     break;
 999                 case VLC_CODEC_H264:
1000                     p_stream->i_stream_type = 0x1b;
1001                     p_stream->i_stream_id = 0xe0;
1002                     break;
1003                 /* XXX dirty dirty but somebody want that:
1004                  *     using crapy MS-codec XXX */
1005                 /* I didn't want to do that :P */
1006                 case VLC_CODEC_H263I:
1007                 case VLC_CODEC_H263:
1008                 case VLC_CODEC_WMV3:
1009                 case VLC_CODEC_WMV2:
1010                 case VLC_CODEC_WMV1:
1011                 case VLC_CODEC_DIV3:
1012                 case VLC_CODEC_DIV2:
1013                 case VLC_CODEC_DIV1:
1014                 case VLC_CODEC_MJPG:
1015                     p_stream->i_stream_type = 0xa0; /* private */
1016                     p_stream->i_stream_id = 0xa0;   /* beurk */
1017                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
1018                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
1019                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1020                     break;
1021                 case VLC_CODEC_DIRAC:
1022                     /* stream_id makes use of stream_id_extension */
1023                     p_stream->i_stream_id = (PES_EXTENDED_STREAM_ID << 8) | 0x60;
1024                     p_stream->i_stream_type = 0xd1;
1025                     break;
1026                 default:
1027                     free( p_stream );
1028                     return VLC_EGENERIC;
1029             }
1030             p_sys->i_video_bound++;
1031             break;
1032
1033         case AUDIO_ES:
1034             switch( p_input->p_fmt->i_codec )
1035             {
1036                 case VLC_CODEC_MPGA:
1037                     p_stream->i_stream_type =
1038                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1039                     p_stream->i_stream_id = 0xc0;
1040                     break;
1041                 case VLC_CODEC_A52:
1042                     p_stream->i_stream_type = 0x81;
1043                     p_stream->i_stream_id = 0xbd;
1044                     break;
1045                 case VLC_CODEC_EAC3:
1046                     p_stream->i_stream_type = 0x06;
1047                     p_stream->i_stream_id = 0xbd;
1048                     break;
1049                 case VLC_CODEC_DVD_LPCM:
1050                     p_stream->i_stream_type = 0x83;
1051                     p_stream->i_stream_id = 0xbd;
1052                     break;
1053                 case VLC_CODEC_DTS:
1054                     p_stream->i_stream_type = 0x06;
1055                     p_stream->i_stream_id = 0xbd;
1056                     break;
1057                 case VLC_CODEC_MP4A:
1058                     /* XXX: make that configurable in some way when LOAS
1059                      * is implemented for AAC in TS */
1060                     //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1061                     p_stream->i_stream_type = 0x0f; /* ADTS */
1062                     p_stream->i_stream_id = 0xc0;
1063                     p_sys->i_mpeg4_streams++;
1064                     p_stream->i_es_id = p_stream->i_pid;
1065                     break;
1066                 default:
1067                     free( p_stream );
1068                     return VLC_EGENERIC;
1069             }
1070             p_sys->i_audio_bound++;
1071             break;
1072
1073         case SPU_ES:
1074             switch( p_input->p_fmt->i_codec )
1075             {
1076                 case VLC_CODEC_SPU:
1077                     p_stream->i_stream_type = 0x82;
1078                     p_stream->i_stream_id = 0xbd;
1079                     break;
1080                 case VLC_CODEC_SUBT:
1081                     p_stream->i_stream_type = 0x12;
1082                     p_stream->i_stream_id = 0xfa;
1083                     p_sys->i_mpeg4_streams++;
1084                     p_stream->i_es_id = p_stream->i_pid;
1085                     break;
1086                 case VLC_CODEC_DVBS:
1087                     p_stream->i_stream_type = 0x06;
1088                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1089                     p_stream->i_stream_id = 0xbd;
1090                     break;
1091                 case VLC_CODEC_TELETEXT:
1092                     p_stream->i_stream_type = 0x06;
1093                     p_stream->i_stream_id = 0xbd; /* FIXME */
1094                     break;
1095                 default:
1096                     free( p_stream );
1097                     return VLC_EGENERIC;
1098             }
1099             break;
1100
1101         default:
1102             free( p_stream );
1103             return VLC_EGENERIC;
1104     }
1105
1106     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1107     p_stream->lang = malloc(p_stream->i_langs*3);
1108     if( !p_stream->lang )
1109     {
1110         p_stream->i_langs = 0;
1111         free( p_stream );
1112         return VLC_ENOMEM;
1113     }
1114     i = 1;
1115     p_stream->lang[0] =
1116     p_stream->lang[1] =
1117     p_stream->lang[2] = '\0';
1118     if( p_input->p_fmt->psz_language )
1119     {
1120         char *psz = p_input->p_fmt->psz_language;
1121         const iso639_lang_t *pl = NULL;
1122
1123         if( strlen( psz ) == 2 )
1124         {
1125             pl = GetLang_1( psz );
1126         }
1127         else if( strlen( psz ) == 3 )
1128         {
1129             pl = GetLang_2B( psz );
1130             if( !strcmp( pl->psz_iso639_1, "??" ) )
1131             {
1132                 pl = GetLang_2T( psz );
1133             }
1134         }
1135         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1136         {
1137             p_stream->lang[0] = pl->psz_iso639_2T[0];
1138             p_stream->lang[1] = pl->psz_iso639_2T[1];
1139             p_stream->lang[2] = pl->psz_iso639_2T[2];
1140
1141             msg_Dbg( p_mux, "    - lang=%c%c%c",
1142                      p_stream->lang[0], p_stream->lang[1],
1143                      p_stream->lang[2] );
1144         }
1145     }
1146     while( i < p_stream->i_langs ) {
1147         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1148         {
1149             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1150             const iso639_lang_t *pl = NULL;
1151
1152             if( strlen( psz ) == 2 )
1153             {
1154                 pl = GetLang_1( psz );
1155             }
1156             else if( strlen( psz ) == 3 )
1157             {
1158                 pl = GetLang_2B( psz );
1159                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1160                 {
1161                     pl = GetLang_2T( psz );
1162                 }
1163             }
1164             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1165             {
1166                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1167                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1168                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1169
1170                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1171                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1172                          p_stream->lang[i*3+2] );
1173             }
1174         }
1175         i++;
1176     }
1177
1178     /* Create decoder specific info for subt */
1179     if( p_stream->i_codec == VLC_CODEC_SUBT )
1180     {
1181         uint8_t *p;
1182
1183         p_stream->i_decoder_specific_info = 55;
1184         p_stream->p_decoder_specific_info = p =
1185             malloc( p_stream->i_decoder_specific_info );
1186         if( p )
1187         {
1188             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1189             p[1] = 0x00;    /* flags: 1b: associated video info flag
1190                                     3b: reserved
1191                                     1b: duration flag
1192                                     3b: reserved */
1193             p[2] = 52;      /* remaining size */
1194
1195             p += 3;
1196
1197             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1198             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1199             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1200
1201             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1202             *p++ = 0xff;                    /* background a */
1203
1204             p[0] = p[1] = 0; p += 2;        /* text box top */
1205             p[0] = p[1] = 0; p += 2;        /* text box left */
1206             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1207             p[0] = p[1] = 0; p += 2;        /* text box right */
1208
1209             p[0] = p[1] = 0; p += 2;        /* start char */
1210             p[0] = p[1] = 0; p += 2;        /* end char */
1211             p[0] = p[1] = 0; p += 2;        /* default font id */
1212
1213             *p++ = 0;                       /* font style flags */
1214             *p++ = 12;                      /* font size */
1215
1216             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1217             *p++ = 0x00;                    /* foreground a */
1218
1219             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1220             memcpy( p, "ftab", 4 ); p += 4;
1221             *p++ = 0; *p++ = 1;             /* entry count */
1222             p[0] = p[1] = 0; p += 2;        /* font id */
1223             *p++ = 9;                       /* font name length */
1224             memcpy( p, "Helvetica", 9 );    /* font name */
1225         }
1226         else p_stream->i_decoder_specific_info = 0;
1227     }
1228     else
1229     {
1230         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1231         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1232         if( p_stream->i_decoder_specific_info > 0 )
1233         {
1234             p_stream->p_decoder_specific_info =
1235                 malloc( p_stream->i_decoder_specific_info );
1236             if( p_stream->p_decoder_specific_info )
1237             {
1238                 memcpy( p_stream->p_decoder_specific_info,
1239                         p_input->p_fmt->p_extra,
1240                         p_input->p_fmt->i_extra );
1241             }
1242             else p_stream->i_decoder_specific_info = 0;
1243         }
1244     }
1245
1246     /* Init pes chain */
1247     BufferChainInit( &p_stream->chain_pes );
1248     p_stream->i_pes_dts    = 0;
1249     p_stream->i_pes_length = 0;
1250     p_stream->i_pes_used   = 0;
1251     p_stream->b_key_frame  = 0;
1252
1253     /* We only change PMT version (PAT isn't changed) */
1254     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1255
1256     /* Update pcr_pid */
1257     if( p_input->p_fmt->i_cat != SPU_ES &&
1258         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1259     {
1260         if( p_sys->p_pcr_input )
1261         {
1262             /* There was already a PCR stream, so clean context */
1263             /* FIXME */
1264         }
1265         p_sys->i_pcr_pid   = p_stream->i_pid;
1266         p_sys->p_pcr_input = p_input;
1267
1268         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1269     }
1270
1271     return VLC_SUCCESS;
1272 }
1273
1274 /*****************************************************************************
1275  * DelStream: called before a stream deletion
1276  *****************************************************************************/
1277 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1278 {
1279     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1280     ts_stream_t     *p_stream;
1281     vlc_value_t     val;
1282
1283     p_stream = (ts_stream_t*)p_input->p_sys;
1284     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1285
1286     if( p_sys->i_pcr_pid == p_stream->i_pid )
1287     {
1288         int i;
1289
1290         /* Find a new pcr stream (Prefer Video Stream) */
1291         p_sys->i_pcr_pid = 0x1fff;
1292         p_sys->p_pcr_input = NULL;
1293         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1294         {
1295             if( p_mux->pp_inputs[i] == p_input )
1296             {
1297                 continue;
1298             }
1299
1300             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1301             {
1302                 p_sys->i_pcr_pid  =
1303                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1304                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1305                 break;
1306             }
1307             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1308                      p_sys->i_pcr_pid == 0x1fff )
1309             {
1310                 p_sys->i_pcr_pid  =
1311                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1312                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1313             }
1314         }
1315         if( p_sys->p_pcr_input )
1316         {
1317             /* Empty TS buffer */
1318             /* FIXME */
1319         }
1320         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1321     }
1322
1323     /* Empty all data in chain_pes */
1324     BufferChainClean( &p_stream->chain_pes );
1325
1326     free(p_stream->lang);
1327     free( p_stream->p_decoder_specific_info );
1328     if( p_stream->i_stream_id == 0xfa ||
1329         p_stream->i_stream_id == 0xfb ||
1330         p_stream->i_stream_id == 0xfe )
1331     {
1332         p_sys->i_mpeg4_streams--;
1333     }
1334
1335     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1336     if( val.i_int > 0 )
1337     {
1338         int i_pid_video = val.i_int;
1339         if ( i_pid_video == p_stream->i_pid )
1340         {
1341             p_sys->i_pid_video = i_pid_video;
1342             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1343         }
1344     }
1345     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1346     if( val.i_int > 0 )
1347     {
1348         int i_pid_audio = val.i_int;
1349         if ( i_pid_audio == p_stream->i_pid )
1350         {
1351             p_sys->i_pid_audio = i_pid_audio;
1352             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1353         }
1354     }
1355     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1356     if( val.i_int > 0 )
1357     {
1358         int i_pid_spu = val.i_int;
1359         if ( i_pid_spu == p_stream->i_pid )
1360         {
1361             p_sys->i_pid_spu = i_pid_spu;
1362             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1363         }
1364     }
1365     free( p_stream );
1366
1367     /* We only change PMT version (PAT isn't changed) */
1368     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1369
1370     return VLC_SUCCESS;
1371 }
1372
1373 /*****************************************************************************
1374  * Mux: Call each time there is new data for at least one stream
1375  *****************************************************************************
1376  *
1377  *****************************************************************************/
1378 static int Mux( sout_mux_t *p_mux )
1379 {
1380     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1381     ts_stream_t     *p_pcr_stream;
1382
1383     if( p_sys->i_pcr_pid == 0x1fff )
1384     {
1385         int i;
1386         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1387         {
1388             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1389         }
1390         msg_Dbg( p_mux, "waiting for PCR streams" );
1391         return VLC_SUCCESS;
1392     }
1393     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1394
1395     for( ;; )
1396     {
1397         sout_buffer_chain_t chain_ts;
1398         int                 i_packet_count;
1399         int                 i_packet_pos;
1400         mtime_t             i_pcr_dts;
1401         mtime_t             i_pcr_length;
1402         mtime_t             i_shaping_delay;
1403         int i;
1404
1405         if( p_pcr_stream->b_key_frame )
1406         {
1407             i_shaping_delay = p_pcr_stream->i_pes_length;
1408         }
1409         else
1410         {
1411             i_shaping_delay = p_sys->i_shaping_delay;
1412         }
1413
1414         /* 1: get enough PES packet for all input */
1415         for( ;; )
1416         {
1417             bool b_ok = true;
1418             block_t *p_data;
1419
1420             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1421             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1422             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1423             {
1424                 sout_input_t *p_input;
1425                 ts_stream_t *p_stream;
1426                 int64_t i_spu_delay = 0;
1427
1428                 if( i == -1 )
1429                     p_input = p_sys->p_pcr_input;
1430                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1431                     continue;
1432                 else
1433                     p_input = p_mux->pp_inputs[i];
1434                 p_stream = (ts_stream_t*)p_input->p_sys;
1435
1436                 if( ( ( p_stream == p_pcr_stream ) &&
1437                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1438                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1439                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1440                 {
1441                     /* Need more data */
1442                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1443                     {
1444                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1445                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1446                         {
1447                             /* We need more data */
1448                             return VLC_SUCCESS;
1449                         }
1450                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1451                         {
1452                             /* spu, only one packet is needed */
1453                             continue;
1454                         }
1455                         else if( p_input->p_fmt->i_cat == SPU_ES )
1456                         {
1457                             /* Don't mux the SPU yet if it is too early */
1458                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1459
1460                             i_spu_delay =
1461                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1462
1463                             if( ( i_spu_delay > i_shaping_delay ) &&
1464                                 ( i_spu_delay < INT64_C(100000000) ) )
1465                                 continue;
1466
1467                             if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1468                                  ( i_spu_delay < INT64_C(10000) ) )
1469                             {
1470                                 BufferChainClean( &p_stream->chain_pes );
1471                                 p_stream->i_pes_dts = 0;
1472                                 p_stream->i_pes_used = 0;
1473                                 p_stream->i_pes_length = 0;
1474                                 continue;
1475                             }
1476                         }
1477                     }
1478                     b_ok = false;
1479
1480                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1481                          || p_input->p_fmt->i_codec !=
1482                              VLC_CODEC_MPGA )
1483                     {
1484                         p_data = block_FifoGet( p_input->p_fifo );
1485
1486                         if( p_input->p_fmt->i_codec ==
1487                                 VLC_CODEC_MP4A )
1488                             p_data = Add_ADTS( p_data, p_input->p_fmt );
1489                     }
1490                     else
1491                         p_data = FixPES( p_mux, p_input->p_fifo );
1492
1493                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1494                         p_input->p_fmt->i_cat != SPU_ES )
1495                     {
1496                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1497                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1498                     }
1499                     else if( p_input->p_fmt->i_codec !=
1500                                VLC_CODEC_SUBT )
1501                         p_data->i_length = 1000;
1502
1503                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1504                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1505                           p_pcr_stream->i_pes_length ) ||
1506                         p_data->i_dts < p_stream->i_pes_dts ||
1507                         ( p_stream->i_pes_dts > 0 &&
1508                           p_input->p_fmt->i_cat != SPU_ES &&
1509                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1510                           p_stream->i_pes_length ) )
1511                     {
1512                         msg_Warn( p_mux, "packet with too strange dts "
1513                                   "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1514                                   p_data->i_dts, p_stream->i_pes_dts,
1515                                   p_pcr_stream->i_pes_dts );
1516                         block_Release( p_data );
1517
1518                         BufferChainClean( &p_stream->chain_pes );
1519                         p_stream->i_pes_dts = 0;
1520                         p_stream->i_pes_used = 0;
1521                         p_stream->i_pes_length = 0;
1522
1523                         if( p_input->p_fmt->i_cat != SPU_ES )
1524                         {
1525                             BufferChainClean( &p_pcr_stream->chain_pes );
1526                             p_pcr_stream->i_pes_dts = 0;
1527                             p_pcr_stream->i_pes_used = 0;
1528                             p_pcr_stream->i_pes_length = 0;
1529                         }
1530                     }
1531                     else
1532                     {
1533                         int i_header_size = 0;
1534                         int i_max_pes_size = 0;
1535                         int b_data_alignment = 0;
1536                         if( p_input->p_fmt->i_cat == SPU_ES )
1537                         {
1538                             if( p_input->p_fmt->i_codec ==
1539                                 VLC_CODEC_SUBT )
1540                             {
1541                                 /* Prepend header */
1542                                 p_data = block_Realloc( p_data, 2,
1543                                                         p_data->i_buffer );
1544                                 p_data->p_buffer[0] =
1545                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1546                                 p_data->p_buffer[1] =
1547                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1548
1549                                 /* remove trailling \0 if any */
1550                                 if( p_data->i_buffer > 2 &&
1551                                     p_data->p_buffer[p_data->i_buffer -1] ==
1552                                     '\0' )
1553                                     p_data->i_buffer--;
1554
1555                                 /* Append a empty sub (sub text only) */
1556                                 if( p_data->i_length > 0 &&
1557                                     !( p_data->i_buffer == 1 &&
1558                                        *p_data->p_buffer == ' ' ) )
1559                                 {
1560                                     block_t *p_spu = block_New( p_mux, 3 );
1561
1562                                     p_spu->i_dts = p_spu->i_pts =
1563                                         p_data->i_dts + p_data->i_length;
1564                                     p_spu->i_length = 1000;
1565
1566                                     p_spu->p_buffer[0] = 0;
1567                                     p_spu->p_buffer[1] = 1;
1568                                     p_spu->p_buffer[2] = ' ';
1569
1570                                     EStoPES( p_mux->p_sout, &p_spu, p_spu,
1571                                                  p_input->p_fmt,
1572                                                  p_stream->i_stream_id, 1,
1573                                                  0, 0, 0 );
1574                                     p_data->p_next = p_spu;
1575                                 }
1576                             }
1577                             else if( p_input->p_fmt->i_codec ==
1578                                        VLC_CODEC_TELETEXT )
1579                             {
1580                                 /* EN 300 472 */
1581                                 i_header_size = 0x24;
1582                                 b_data_alignment = 1;
1583                             }
1584                             else if( p_input->p_fmt->i_codec ==
1585                                        VLC_CODEC_DVBS )
1586                             {
1587                                 /* EN 300 743 */
1588                                 b_data_alignment = 1;
1589                             }
1590                         }
1591                         else if( p_data->i_length < 0 ||
1592                                  p_data->i_length > 2000000 )
1593                         {
1594                             /* FIXME choose a better value, but anyway we
1595                              * should never have to do that */
1596                             p_data->i_length = 1000;
1597                         }
1598
1599                         p_stream->i_pes_length += p_data->i_length;
1600                         if( p_stream->i_pes_dts == 0 )
1601                         {
1602                             p_stream->i_pes_dts = p_data->i_dts;
1603                         }
1604
1605                         /* Convert to pes */
1606                         if( p_stream->i_stream_id == 0xa0 &&
1607                             p_data->i_pts <= 0 )
1608                         {
1609                             /* XXX yes I know, it's awful, but it's needed,
1610                              * so don't remove it ... */
1611                             p_data->i_pts = p_data->i_dts;
1612                         }
1613
1614                         if( p_input->p_fmt->i_codec ==
1615                                    VLC_CODEC_DIRAC )
1616                         {
1617                             b_data_alignment = 1;
1618                             /* dirac pes packets should be unbounded in
1619                              * length, specify a suitibly large max size */
1620                             i_max_pes_size = INT_MAX;
1621                         }
1622
1623                          EStoPES ( p_mux->p_sout, &p_data, p_data,
1624                                        p_input->p_fmt, p_stream->i_stream_id,
1625                                        1, b_data_alignment, i_header_size,
1626                                        i_max_pes_size );
1627
1628                         BufferChainAppend( &p_stream->chain_pes, p_data );
1629
1630                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1631                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1632                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1633                             && (p_stream->i_pes_length > 400000) )
1634                         {
1635                             i_shaping_delay = p_stream->i_pes_length;
1636                             p_stream->b_key_frame = 1;
1637                         }
1638                     }
1639                 }
1640             }
1641
1642             if( b_ok )
1643             {
1644                 break;
1645             }
1646         }
1647
1648         /* save */
1649         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1650         i_pcr_length   = p_pcr_stream->i_pes_length;
1651         p_pcr_stream->b_key_frame = 0;
1652
1653         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1654         /* 2: calculate non accurate total size of muxed ts */
1655         i_packet_count = 0;
1656         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1657         {
1658             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1659             block_t *p_pes;
1660
1661             /* False for pcr stream but it will be enough to do PCR algo */
1662             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1663                  p_pes = p_pes->p_next )
1664             {
1665                 int i_size = p_pes->i_buffer;
1666                 if( p_pes->i_dts + p_pes->i_length >
1667                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1668                 {
1669                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1670                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1671                     if( i_frag < 0 )
1672                     {
1673                         /* Next stream */
1674                         break;
1675                     }
1676                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1677                 }
1678                 i_packet_count += ( i_size + 183 ) / 184;
1679             }
1680         }
1681         /* add overhead for PCR (not really exact) */
1682         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1683
1684         /* 3: mux PES into TS */
1685         BufferChainInit( &chain_ts );
1686         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1687         GetPAT( p_mux, &chain_ts );
1688         GetPMT( p_mux, &chain_ts );
1689         i_packet_pos = 0;
1690         i_packet_count += chain_ts.i_depth;
1691         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1692
1693         for( ;; )
1694         {
1695             int          i_stream;
1696             mtime_t      i_dts;
1697             ts_stream_t  *p_stream;
1698             sout_input_t *p_input;
1699             block_t      *p_ts;
1700             bool         b_pcr;
1701
1702             /* Select stream (lowest dts) */
1703             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1704             {
1705                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1706
1707                 if( p_stream->i_pes_dts == 0 )
1708                 {
1709                     continue;
1710                 }
1711
1712                 if( i_stream == -1 ||
1713                     p_stream->i_pes_dts < i_dts )
1714                 {
1715                     i_stream = i;
1716                     i_dts = p_stream->i_pes_dts;
1717                 }
1718             }
1719             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1720             {
1721                 break;
1722             }
1723             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1724             p_input = p_mux->pp_inputs[i_stream];
1725
1726             /* do we need to issue pcr */
1727             b_pcr = false;
1728             if( p_stream == p_pcr_stream &&
1729                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1730                 p_sys->i_pcr + p_sys->i_pcr_delay )
1731             {
1732                 b_pcr = true;
1733                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1734                     i_pcr_length / i_packet_count;
1735             }
1736
1737             /* Build the TS packet */
1738             p_ts = TSNew( p_mux, p_stream, b_pcr );
1739             if( p_sys->csa != NULL &&
1740                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1741                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1742             {
1743                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1744             }
1745             i_packet_pos++;
1746
1747             /* */
1748             BufferChainAppend( &chain_ts, p_ts );
1749         }
1750
1751         /* 4: date and send */
1752         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1753     }
1754 }
1755
1756 #define STD_PES_PAYLOAD 170
1757 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1758 {
1759     VLC_UNUSED(p_mux);
1760     block_t *p_data;
1761     size_t i_size;
1762
1763     p_data = block_FifoShow( p_fifo );
1764     i_size = p_data->i_buffer;
1765
1766     if( i_size == STD_PES_PAYLOAD )
1767     {
1768         return block_FifoGet( p_fifo );
1769     }
1770     else if( i_size > STD_PES_PAYLOAD )
1771     {
1772         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1773         vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1774         p_new->i_pts = p_data->i_pts;
1775         p_new->i_dts = p_data->i_dts;
1776         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1777                             / p_data->i_buffer;
1778         p_data->i_buffer -= STD_PES_PAYLOAD;
1779         p_data->p_buffer += STD_PES_PAYLOAD;
1780         p_data->i_pts += p_new->i_length;
1781         p_data->i_dts += p_new->i_length;
1782         p_data->i_length -= p_new->i_length;
1783         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1784         return p_new;
1785     }
1786     else
1787     {
1788         block_t *p_next;
1789         int i_copy;
1790
1791         p_data = block_FifoGet( p_fifo );
1792         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1793         p_next = block_FifoShow( p_fifo );
1794         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1795         {
1796             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1797             p_data->i_pts = p_next->i_pts;
1798             p_data->i_dts = p_next->i_dts;
1799         }
1800         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1801
1802         vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1803         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1804         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1805         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1806         p_next->i_buffer -= i_copy;
1807         p_next->p_buffer += i_copy;
1808         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1809
1810         if( !p_next->i_buffer )
1811         {
1812             p_next = block_FifoGet( p_fifo );
1813             block_Release( p_next );
1814         }
1815         return p_data;
1816     }
1817 }
1818
1819 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1820 {
1821     uint8_t *p_extra = p_fmt->p_extra;
1822
1823     if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1824         return p_data; /* no data to construct the headers */
1825
1826     int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1827     int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1828
1829     if( i_index == 0x0f && p_fmt->i_extra < 5 )
1830         return p_data; /* not enough data */
1831
1832     int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1833
1834 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1835
1836
1837     /* keep a copy in case block_Realloc() fails */
1838     block_t *p_bak_block = block_Duplicate( p_data );
1839     if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1840         return p_data; /* the frame isn't correct but that's the best we have */
1841
1842     block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1843                                             p_data->i_buffer );
1844     if( !p_new_block )
1845         return p_bak_block; /* OOM, send the (incorrect) original frame */
1846
1847     block_Release( p_bak_block ); /* we don't need the copy anymore */
1848
1849
1850     uint8_t *p_buffer = p_new_block->p_buffer;
1851
1852     /* fixed header */
1853     p_buffer[0] = 0xff;
1854     p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1855     p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1856     p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1857
1858     /* variable header (starts at last 2 bits of 4th byte) */
1859
1860     int i_fullness = 0x7ff; /* 0x7ff means VBR */
1861     /* XXX: We should check if it's CBR or VBR, but no known implementation
1862      * do that, and it's a pain to calculate this field */
1863
1864     p_buffer[4] = p_data->i_buffer >> 3;
1865     p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1866     p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1867
1868     return p_new_block;
1869 }
1870
1871 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1872                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1873 {
1874     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1875     sout_buffer_chain_t new_chain;
1876     int i_packet_count = p_chain_ts->i_depth;
1877     int i;
1878
1879     BufferChainInit( &new_chain );
1880
1881     if ( i_pcr_length <= 0 )
1882     {
1883         i_pcr_length = i_packet_count;
1884     }
1885
1886     for( i = 0; i < i_packet_count; i++ )
1887     {
1888         block_t *p_ts = BufferChainGet( p_chain_ts );
1889         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1890
1891         BufferChainAppend( &new_chain, p_ts );
1892
1893         if( p_ts->i_dts &&
1894             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1895         {
1896             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1897             mtime_t i_cut_dts = p_ts->i_dts;
1898
1899             p_ts = BufferChainPeek( p_chain_ts );
1900             i++;
1901             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1902             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1903             {
1904                 p_ts = BufferChainGet( p_chain_ts );
1905                 i_max_diff = i_new_dts - p_ts->i_dts;
1906                 i_cut_dts = p_ts->i_dts;
1907                 BufferChainAppend( &new_chain, p_ts );
1908
1909                 p_ts = BufferChainPeek( p_chain_ts );
1910                 i++;
1911                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1912             }
1913             msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1914                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1915                      p_chain_ts->i_depth );
1916             if ( new_chain.i_depth )
1917                 TSDate( p_mux, &new_chain,
1918                         i_cut_dts - i_pcr_dts,
1919                         i_pcr_dts );
1920             if ( p_chain_ts->i_depth )
1921                 TSSchedule( p_mux,
1922                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1923                             i_cut_dts );
1924             return;
1925         }
1926     }
1927
1928     if ( new_chain.i_depth )
1929         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1930 }
1931
1932 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1933                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1934 {
1935     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1936     int i_packet_count = p_chain_ts->i_depth;
1937     int i;
1938
1939     if ( i_pcr_length / 1000 > 0 )
1940     {
1941         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1942                           / (uint64_t)(i_pcr_length / 1000);
1943         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1944         {
1945             msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1946                       " (%d bi/s for %d pkt in %"PRId64" us)",
1947                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1948                       i_bitrate, i_packet_count, i_pcr_length);
1949         }
1950 #if 0
1951         else
1952         {
1953             msg_Dbg( p_mux, "starting at %"PRId64
1954                      " (%d bi/s for %d packets in %"PRId64" us)",
1955                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1956                      i_bitrate, i_packet_count, i_pcr_length);
1957         }
1958 #endif
1959     }
1960     else
1961     {
1962         /* This shouldn't happen, but happens in some rare heavy load
1963          * and packet losses conditions. */
1964         i_pcr_length = i_packet_count;
1965     }
1966
1967     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1968     for( i = 0; i < i_packet_count; i++ )
1969     {
1970         block_t *p_ts = BufferChainGet( p_chain_ts );
1971         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1972
1973         p_ts->i_dts    = i_new_dts;
1974         p_ts->i_length = i_pcr_length / i_packet_count;
1975
1976         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1977         {
1978             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1979             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1980         }
1981         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1982         {
1983             vlc_mutex_lock( &p_sys->csa_lock );
1984             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1985             vlc_mutex_unlock( &p_sys->csa_lock );
1986         }
1987
1988         /* latency */
1989         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1990
1991         sout_AccessOutWrite( p_mux->p_access, p_ts );
1992     }
1993 }
1994
1995 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1996                        bool b_pcr )
1997 {
1998     VLC_UNUSED(p_mux);
1999     block_t *p_pes = p_stream->chain_pes.p_first;
2000     block_t *p_ts;
2001
2002     bool b_new_pes = false;
2003     bool b_adaptation_field = false;
2004
2005     int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2006     int i_payload;
2007
2008     if( p_stream->i_pes_used <= 0 )
2009     {
2010         b_new_pes = true;
2011     }
2012     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2013                        i_payload_max );
2014
2015     if( b_pcr || i_payload < i_payload_max )
2016     {
2017         b_adaptation_field = true;
2018     }
2019
2020     p_ts = block_New( p_mux, 188 );
2021
2022     if (b_new_pes && !(p_pes->i_flags & BLOCK_FLAG_NO_KEYFRAME) && p_pes->i_flags & BLOCK_FLAG_TYPE_I)
2023     {
2024         p_ts->i_flags |= BLOCK_FLAG_TYPE_I;
2025     }
2026
2027     p_ts->i_dts = p_pes->i_dts;
2028
2029     p_ts->p_buffer[0] = 0x47;
2030     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2031         ( ( p_stream->i_pid >> 8 )&0x1f );
2032     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2033     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2034         p_stream->i_continuity_counter;
2035
2036     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2037     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2038
2039     if( b_adaptation_field )
2040     {
2041         int i;
2042
2043         if( b_pcr )
2044         {
2045             int     i_stuffing = i_payload_max - i_payload;
2046
2047             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2048
2049             p_ts->p_buffer[4] = 7 + i_stuffing;
2050             p_ts->p_buffer[5] = 0x10;   /* flags */
2051             if( p_stream->b_discontinuity )
2052             {
2053                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2054                 p_stream->b_discontinuity = false;
2055             }
2056             p_ts->p_buffer[6] = ( 0 )&0xff;
2057             p_ts->p_buffer[7] = ( 0 )&0xff;
2058             p_ts->p_buffer[8] = ( 0 )&0xff;
2059             p_ts->p_buffer[9] = ( 0 )&0xff;
2060             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2061             p_ts->p_buffer[11]= 0;
2062
2063             for( i = 12; i < 12 + i_stuffing; i++ )
2064             {
2065                 p_ts->p_buffer[i] = 0xff;
2066             }
2067         }
2068         else
2069         {
2070             int i_stuffing = i_payload_max - i_payload;
2071
2072             p_ts->p_buffer[4] = i_stuffing - 1;
2073             if( i_stuffing > 1 )
2074             {
2075                 p_ts->p_buffer[5] = 0x00;
2076                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2077                 {
2078                     p_ts->p_buffer[i] = 0xff;
2079                 }
2080             }
2081         }
2082     }
2083
2084     /* copy payload */
2085     memcpy( &p_ts->p_buffer[188 - i_payload],
2086             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2087
2088     p_stream->i_pes_used += i_payload;
2089     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2090         p_stream->i_pes_used / p_pes->i_buffer;
2091     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2092
2093     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2094     {
2095         p_pes = BufferChainGet( &p_stream->chain_pes );
2096         block_Release( p_pes );
2097
2098         p_pes = p_stream->chain_pes.p_first;
2099         if( p_pes )
2100         {
2101             p_stream->i_pes_dts    = p_pes->i_dts;
2102             p_stream->i_pes_length = 0;
2103             while( p_pes )
2104             {
2105                 p_stream->i_pes_length += p_pes->i_length;
2106
2107                 p_pes = p_pes->p_next;
2108             }
2109         }
2110         else
2111         {
2112             p_stream->i_pes_dts = 0;
2113             p_stream->i_pes_length = 0;
2114         }
2115         p_stream->i_pes_used = 0;
2116     }
2117
2118     return p_ts;
2119 }
2120
2121 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2122 {
2123     mtime_t i_pcr = 9 * i_dts / 100;
2124
2125     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
2126     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
2127     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
2128     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
2129     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
2130 }
2131
2132 #if 0
2133 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2134                               mtime_t i_length, int i_bitrate_min,
2135                               int i_bitrate_max )
2136 {
2137     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2138     sout_buffer_chain_t s = *c;
2139
2140     int i_packets = 0;
2141     int i_packets_min = 0;
2142     int i_packets_max = 0;
2143
2144     if( i_length <= 0 )
2145     {
2146         return;
2147     }
2148
2149     i_packets     = c->i_depth;
2150     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
2151     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
2152
2153     if( i_packets < i_packets_min && i_packets_min > 0 )
2154     {
2155         block_t *p_pk;
2156         int i_div = ( i_packets_min - i_packets ) / i_packets;
2157         int i_mod = ( i_packets_min - i_packets ) % i_packets;
2158         int i_rest = 0;
2159
2160         /* We need to pad with null packets (pid=0x1fff)
2161          * We try to melt null packets with true packets */
2162         msg_Dbg( p_mux,
2163                  "packets=%d but min=%d -> adding %d packets of padding",
2164                  i_packets, i_packets_min, i_packets_min - i_packets );
2165
2166         BufferChainInit( c );
2167         while( ( p_pk = BufferChainGet( &s ) ) )
2168         {
2169             int i, i_null;
2170
2171             BufferChainAppend( c, p_pk );
2172
2173             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2174
2175             for( i = 0; i < i_null; i++ )
2176             {
2177                 block_t *p_null;
2178
2179                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2180                 p_null->p_buffer[0] = 0x47;
2181                 p_null->p_buffer[1] = 0x1f;
2182                 p_null->p_buffer[2] = 0xff;
2183                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2184                 memset( &p_null->p_buffer[4], 0, 184 );
2185                 p_sys->i_null_continuity_counter =
2186                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2187
2188                 BufferChainAppend( c, p_null );
2189             }
2190
2191             i_rest = ( i_rest + i_mod ) % i_packets;
2192         }
2193     }
2194     else if( i_packets > i_packets_max && i_packets_max > 0 )
2195     {
2196         block_t *p_pk;
2197         int           i;
2198
2199         /* Arg, we need to drop packets, I don't do something clever (like
2200          * dropping complete pid, b frames, ... ), I just get the right amount
2201          * of packets and discard the others */
2202         msg_Warn( p_mux,
2203                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2204                   i_packets, i_packets_max, i_packets - i_packets_max );
2205
2206         BufferChainInit( c );
2207         for( i = 0; i < i_packets_max; i++ )
2208         {
2209             BufferChainAppend( c, BufferChainGet( &s ) );
2210         }
2211
2212         while( ( p_pk = BufferChainGet( &s ) ) )
2213         {
2214             sout_BufferDelete( p_mux->p_sout, p_pk );
2215         }
2216     }
2217 }
2218 #endif
2219
2220 static void PEStoTS( sout_instance_t *p_sout,
2221                      sout_buffer_chain_t *c, block_t *p_pes,
2222                      ts_stream_t *p_stream )
2223 {
2224     VLC_UNUSED(p_sout);
2225     uint8_t *p_data;
2226     int     i_size;
2227     int     b_new_pes;
2228
2229     /* get PES total size */
2230     i_size = p_pes->i_buffer;
2231     p_data = p_pes->p_buffer;
2232
2233     b_new_pes = true;
2234
2235     for( ;; )
2236     {
2237         int           b_adaptation_field;
2238         int           i_copy;
2239         block_t *p_ts;
2240
2241         p_ts = block_New( p_sout, 188 );
2242         /* write header
2243          * 8b   0x47    sync byte
2244          * 1b           transport_error_indicator
2245          * 1b           payload_unit_start
2246          * 1b           transport_priority
2247          * 13b          pid
2248          * 2b           transport_scrambling_control
2249          * 2b           if adaptation_field 0x03 else 0x01
2250          * 4b           continuity_counter
2251          */
2252
2253         i_copy    = __MIN( i_size, 184 );
2254         b_adaptation_field = i_size < 184 ? true : false;
2255
2256         p_ts->p_buffer[0] = 0x47;
2257         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2258                             ( ( p_stream->i_pid >> 8 )&0x1f );
2259         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2260         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2261                             p_stream->i_continuity_counter;
2262
2263         b_new_pes = false;
2264         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2265
2266         if( b_adaptation_field )
2267         {
2268             int i_stuffing = 184 - i_copy;
2269             int i;
2270
2271             p_ts->p_buffer[4] = i_stuffing - 1;
2272             if( i_stuffing > 1 )
2273             {
2274                 p_ts->p_buffer[5] = 0x00;
2275                 if( p_stream->b_discontinuity )
2276                 {
2277                     p_ts->p_buffer[5] |= 0x80;
2278                     p_stream->b_discontinuity = false;
2279                 }
2280                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2281                 {
2282                     p_ts->p_buffer[i] = 0xff;
2283                 }
2284             }
2285         }
2286         /* copy payload */
2287         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2288         p_data += i_copy;
2289         i_size -= i_copy;
2290
2291         BufferChainAppend( c, p_ts );
2292
2293         if( i_size <= 0 )
2294         {
2295             block_t *p_next = p_pes->p_next;
2296
2297             p_pes->p_next = NULL;
2298             block_Release( p_pes );
2299             if( p_next == NULL )
2300             {
2301                 break;
2302             }
2303             b_new_pes = true;
2304             p_pes = p_next;
2305             i_size = p_pes->i_buffer;
2306             p_data = p_pes->p_buffer;
2307         }
2308     }
2309
2310     return;
2311 }
2312
2313 static block_t *WritePSISection( sout_instance_t *p_sout,
2314                                        dvbpsi_psi_section_t* p_section )
2315 {
2316     VLC_UNUSED(p_sout);
2317     block_t   *p_psi, *p_first = NULL;
2318
2319     while( p_section )
2320     {
2321         int             i_size;
2322
2323         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2324                   ( p_section->b_syntax_indicator ? 4 : 0 );
2325
2326         p_psi = block_New( p_sout, i_size + 1 );
2327         p_psi->i_pts = 0;
2328         p_psi->i_dts = 0;
2329         p_psi->i_length = 0;
2330         p_psi->i_buffer = i_size + 1;
2331
2332         p_psi->p_buffer[0] = 0; /* pointer */
2333         memcpy( p_psi->p_buffer + 1,
2334                 p_section->p_data,
2335                 i_size );
2336
2337         block_ChainAppend( &p_first, p_psi );
2338
2339         p_section = p_section->p_next;
2340     }
2341
2342     return( p_first );
2343 }
2344
2345 static void GetPAT( sout_mux_t *p_mux,
2346                     sout_buffer_chain_t *c )
2347 {
2348     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2349     block_t              *p_pat;
2350     dvbpsi_pat_t         pat;
2351     dvbpsi_psi_section_t *p_section;
2352     int i;
2353
2354     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2355                     1 );      /* b_current_next */
2356     /* add all programs */
2357     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2358         dvbpsi_PATAddProgram( &pat,
2359                               p_sys->i_pmt_program_number[i],
2360                               p_sys->pmt[i].i_pid );
2361
2362     p_section = dvbpsi_GenPATSections( &pat,
2363                                        0 );     /* max program per section */
2364
2365     p_pat = WritePSISection( p_mux->p_sout, p_section );
2366
2367     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2368
2369     dvbpsi_DeletePSISections( p_section );
2370     dvbpsi_EmptyPAT( &pat );
2371 }
2372
2373 static uint32_t GetDescriptorLength24b( int i_length )
2374 {
2375     uint32_t i_l1, i_l2, i_l3;
2376
2377     i_l1 = i_length&0x7f;
2378     i_l2 = ( i_length >> 7 )&0x7f;
2379     i_l3 = ( i_length >> 14 )&0x7f;
2380
2381     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2382 }
2383
2384 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2385 {
2386     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2387     block_t   *p_pmt[MAX_PMT];
2388
2389     dvbpsi_pmt_es_t     *p_es;
2390     dvbpsi_psi_section_t *p_section[MAX_PMT];
2391
2392     int             i_pidinput;
2393     int             i_stream;
2394     int             i;
2395     int             *p_usepid = NULL;
2396
2397 #ifdef HAVE_DVBPSI_SDT
2398     block_t         *p_sdt;
2399     dvbpsi_sdt_t    sdt;
2400
2401     dvbpsi_psi_section_t* p_section2;
2402     dvbpsi_sdt_service_t *p_service;
2403
2404     uint8_t         *psz_sdt_desc;
2405 #endif
2406
2407     if( p_sys->dvbpmt == NULL )
2408     {
2409         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2410         if( !p_sys->dvbpmt )
2411         {
2412             return;
2413         }
2414     }
2415 #ifdef HAVE_DVBPSI_SDT
2416     if( p_sys->b_sdt )
2417         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2418 #endif
2419
2420     for( i = 0; i < p_sys->i_num_pmt; i++ )
2421     {
2422         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2423                         p_sys->i_pmt_program_number[i],   /* program number */
2424                         p_sys->i_pmt_version_number,
2425                         1,      /* b_current_next */
2426                         p_sys->i_pcr_pid );
2427
2428 #ifdef HAVE_DVBPSI_SDT
2429         if( p_sys->b_sdt )
2430         {
2431             p_service = dvbpsi_SDTAddService( &sdt,
2432                 p_sys->i_pmt_program_number[i],  /* service id */
2433                 0,         /* eit schedule */
2434                 0,         /* eit present */
2435                 4,         /* running status ("4=RUNNING") */
2436                 0 );       /* free ca */
2437
2438 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2439 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2440
2441             /* FIXME: Ineffecient malloc's & ugly code......  */
2442             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2443             {
2444                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2445                                          + strlen(psz_sdtserv) );
2446                 if( psz_sdt_desc )
2447                 {
2448                     psz_sdt_desc[0] = 0x01; /* digital television service */
2449
2450                     /* service provider name length */
2451                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2452                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2453
2454                     /* service name length */
2455                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2456                         = (char)strlen(psz_sdtserv);
2457                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2458                             strlen(psz_sdtserv) );
2459
2460                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2461                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2462                             (uint8_t *)psz_sdt_desc );
2463                     free( psz_sdt_desc );
2464                     psz_sdt_desc = NULL;
2465                 }
2466             }
2467 #undef psz_sdtprov
2468 #undef psz_sdtserv
2469         }
2470 #endif
2471     }
2472
2473     if( p_sys->i_mpeg4_streams > 0 )
2474     {
2475         uint8_t iod[4096];
2476         bits_buffer_t bits;
2477         bits_buffer_t bits_fix_IOD;
2478
2479         /* Make valgrind happy : it works at byte level not bit one so
2480          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2481          * working (needed when fixing some bits) */
2482         memset( iod, 0, 4096 );
2483
2484         bits_initwrite( &bits, 4096, iod );
2485         /* IOD_label_scope */
2486         bits_write( &bits, 8,   0x11 );
2487         /* IOD_label */
2488         bits_write( &bits, 8,   0x01 );
2489         /* InitialObjectDescriptor */
2490         bits_align( &bits );
2491         bits_write( &bits, 8,   0x02 );     /* tag */
2492         bits_fix_IOD = bits;    /* save states to fix length later */
2493         bits_write( &bits, 24,
2494             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2495         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2496         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2497         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2498         bits_write( &bits, 4,   0x0f );     /* reserved */
2499         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2500         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2501         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2502         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2503         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2504         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2505         {
2506             ts_stream_t *p_stream;
2507             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2508
2509             if( p_stream->i_stream_id == 0xfa ||
2510                 p_stream->i_stream_id == 0xfb ||
2511                 p_stream->i_stream_id == 0xfe )
2512             {
2513                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2514                 /* ES descriptor */
2515                 bits_align( &bits );
2516                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2517                 bits_fix_ESDescr = bits;
2518                 bits_write( &bits, 24,
2519                             GetDescriptorLength24b( 0 ) ); /* variable size */
2520                 bits_write( &bits, 16,  p_stream->i_es_id );
2521                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2522                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2523                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2524                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2525
2526                 /* DecoderConfigDesciptor */
2527                 bits_align( &bits );
2528                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2529                 bits_fix_Decoder = bits;
2530                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2531                 if( p_stream->i_stream_type == 0x10 )
2532                 {
2533                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2534                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2535                 }
2536                 else if( p_stream->i_stream_type == 0x1b )
2537                 {
2538                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2539                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2540                 }
2541                 else if( p_stream->i_stream_type == 0x11 ||
2542                          p_stream->i_stream_type == 0x0f )
2543                 {
2544                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2545                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2546                 }
2547                 else if( p_stream->i_stream_type == 0x12 &&
2548                          p_stream->i_codec == VLC_CODEC_SUBT )
2549                 {
2550                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2551                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2552                 }
2553                 else
2554                 {
2555                     bits_write( &bits, 8, 0x00 );
2556                     bits_write( &bits, 6, 0x00 );
2557
2558                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2559                              "broken IOD" );
2560                 }
2561                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2562                 bits_write( &bits, 1,   0x01 );         /* reserved */
2563                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2564                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2565                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2566
2567                 if( p_stream->i_decoder_specific_info > 0 )
2568                 {
2569                     int i;
2570                     /* DecoderSpecificInfo */
2571                     bits_align( &bits );
2572                     bits_write( &bits, 8,   0x05 ); /* tag */
2573                     bits_write( &bits, 24, GetDescriptorLength24b(
2574                                 p_stream->i_decoder_specific_info ) );
2575                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2576                     {
2577                         bits_write( &bits, 8,
2578                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2579                     }
2580                 }
2581                 /* fix Decoder length */
2582                 bits_write( &bits_fix_Decoder, 24,
2583                             GetDescriptorLength24b( bits.i_data -
2584                             bits_fix_Decoder.i_data - 3 ) );
2585
2586                 /* SLConfigDescriptor : predefined (0x01) */
2587                 bits_align( &bits );
2588                 bits_write( &bits, 8,   0x06 ); /* tag */
2589                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2590                 bits_write( &bits, 8,   0x01 );/* predefined */
2591                 bits_write( &bits, 1,   0 );   /* durationFlag */
2592                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2593                 bits_write( &bits, 8,   0 );   /* OCRLength */
2594                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2595                 bits_align( &bits );
2596
2597                 /* fix ESDescr length */
2598                 bits_write( &bits_fix_ESDescr, 24,
2599                             GetDescriptorLength24b( bits.i_data -
2600                             bits_fix_ESDescr.i_data - 3 ) );
2601             }
2602         }
2603         bits_align( &bits );
2604         /* fix IOD length */
2605         bits_write( &bits_fix_IOD, 24,
2606                     GetDescriptorLength24b( bits.i_data -
2607                                             bits_fix_IOD.i_data - 3 ) );
2608
2609 #if 0 /* FIXME!!! This can't possibly work */
2610         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2611         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2612                             sizeof(pmt_map_t), intcompare );
2613         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2614                             sizeof(pmt_map_t), pmtcompare );
2615         if( p_usepid != NULL )
2616             dvbpsi_PMTAddDescriptor(
2617                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2618                     bits.i_data, bits.p_data );
2619         else
2620             msg_Err( p_mux, "Received an unmapped PID" );
2621 #else
2622         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2623                                  bits.p_data );
2624 #endif
2625     }
2626
2627     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2628     {
2629         ts_stream_t *p_stream;
2630
2631         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2632
2633         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2634         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2635                             sizeof(pmt_map_t), intcompare );
2636
2637         if( p_usepid != NULL )
2638             p_es = dvbpsi_PMTAddES(
2639                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2640                     p_stream->i_stream_type, p_stream->i_pid );
2641         else
2642             /* If there's an error somewhere, dump it to the first pmt */
2643             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2644                                     p_stream->i_pid );
2645
2646         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2647         {
2648             uint8_t     es_id[2];
2649
2650             /* SL descriptor */
2651             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2652             es_id[1] = (p_stream->i_es_id)&0xff;
2653             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2654         }
2655         else if( p_stream->i_stream_type == 0xa0 )
2656         {
2657             uint8_t data[512];
2658             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2659
2660             /* private DIV3 descripor */
2661             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2662             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2663             data[5] = ( p_stream->i_bih_width      )&0xff;
2664             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2665             data[7] = ( p_stream->i_bih_height     )&0xff;
2666             data[8] = ( i_extra >> 8 )&0xff;
2667             data[9] = ( i_extra      )&0xff;
2668             if( i_extra > 0 )
2669             {
2670                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2671             }
2672
2673             /* 0xa0 is private */
2674             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2675         }
2676         else if( p_stream->i_stream_type == 0x81 )
2677         {
2678             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2679
2680             /* "registration" descriptor : "AC-3" */
2681             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2682         }
2683         else if( p_stream->i_codec == VLC_CODEC_DIRAC )
2684         {
2685             /* Dirac registration descriptor */
2686
2687             uint8_t data[4] = { 'd', 'r', 'a', 'c' };
2688             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2689         }
2690         else if( p_stream->i_codec == VLC_CODEC_DTS )
2691         {
2692             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2693
2694             /* DTS format identifier, frame size 1024 - FIXME */
2695             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2696             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2697         }
2698         else if( p_stream->i_codec == VLC_CODEC_EAC3 )
2699         {
2700             uint8_t data[1] = { 0x00 };
2701             dvbpsi_PMTESAddDescriptor( p_es, 0x7a, 1, data );
2702         }
2703         else if( p_stream->i_codec == VLC_CODEC_TELETEXT )
2704         {
2705             if( p_stream->i_decoder_specific_info )
2706             {
2707                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2708                                            p_stream->i_decoder_specific_info,
2709                                            p_stream->p_decoder_specific_info );
2710             }
2711             continue;
2712         }
2713         else if( p_stream->i_codec == VLC_CODEC_DVBS )
2714         {
2715             /* DVB subtitles */
2716             if( p_stream->i_decoder_specific_info )
2717             {
2718                 /* pass-through from the TS demux */
2719                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2720                                            p_stream->i_decoder_specific_info,
2721                                            p_stream->p_decoder_specific_info );
2722             }
2723 #ifdef _DVBPSI_DR_59_H_
2724             else
2725             {
2726                 /* from the dvbsub transcoder */
2727                 dvbpsi_subtitling_dr_t descr;
2728                 dvbpsi_subtitle_t sub;
2729                 dvbpsi_descriptor_t *p_descr;
2730
2731                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2732                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2733                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2734                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2735
2736                 descr.i_subtitles_number = 1;
2737                 descr.p_subtitle[0] = sub;
2738
2739                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2740                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2741                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2742                                            p_descr->i_length, p_descr->p_data );
2743             }
2744 #endif /* _DVBPSI_DR_59_H_ */
2745             continue;
2746         }
2747
2748         if( p_stream->lang[0] != 0 )
2749         {
2750             uint8_t data[4*p_stream->i_langs];
2751
2752             /* I construct the content myself, way faster than looking at
2753              * over complicated/mind broken libdvbpsi way */
2754             for(i = 0; i < p_stream->i_langs; i++ )
2755             {
2756                 data[i*4+0] = p_stream->lang[i*3+0];
2757                 data[i*4+1] = p_stream->lang[i*3+1];
2758                 data[i*4+2] = p_stream->lang[i*3+2];
2759                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2760             }
2761             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2762         }
2763     }
2764
2765     for( i = 0; i < p_sys->i_num_pmt; i++ )
2766     {
2767         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2768         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2769         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2770         dvbpsi_DeletePSISections( p_section[i] );
2771         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2772     }
2773
2774 #ifdef HAVE_DVBPSI_SDT
2775     if( p_sys->b_sdt )
2776     {
2777         p_section2 = dvbpsi_GenSDTSections( &sdt );
2778         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2779         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2780         dvbpsi_DeletePSISections( p_section2 );
2781         dvbpsi_EmptySDT( &sdt );
2782     }
2783 #endif
2784 }