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_codecs.h>
  41 #include <vlc_block.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     srand( (uint32_t)mdate() );
 524     for ( i = 0; i < MAX_PMT; i++ )
 525         p_sys->sdt_descriptors[i].psz_service_name
 526             = p_sys->sdt_descriptors[i].psz_provider = NULL;
 527     memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
 528
 529     p_sys->i_audio_bound = 0;
 530     p_sys->i_video_bound = 0;
 531
 532     p_sys->b_es_id_pid = var_GetBool( p_mux, SOUT_CFG_PREFIX "es-id-pid" );
 533
 534     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 535     /*
 536        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 537        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 538     */
 539     if( val.psz_string != NULL && *val.psz_string )
 540     {
 541         char *psz_next;
 542         char *psz = val.psz_string;
 543         uint16_t i_pid;
 544         psz_next = psz;
 545
 546         while( psz != NULL )
 547         {
 548             i_pid = strtoul( psz, &psz_next, 0 );
 549
 550             if ( strlen(psz_next) > 0 )
 551                 psz = &psz_next[1];
 552             if ( i_pid == 0 )
 553             {
 554                 p_sys->i_num_pmt++;
 555                 if ( p_sys->i_num_pmt > MAX_PMT )
 556                 {
 557                     msg_Err( p_mux,
 558              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 559                     p_sys->i_num_pmt = MAX_PMT;
 560                 }
 561             }
 562             else
 563             {
 564                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 565                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 566                 p_sys->i_pmtslots++;
 567                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 568                 {
 569                     msg_Err( p_mux,
 570              "Number of pids in PMT greater than compiled maximum (%d)",
 571                              MAX_PMT_PID );
 572                     p_sys->i_pmtslots = MAX_PMT_PID;
 573                 }
 574             }
 575
 576             /* Now sort according to pids for fast search later on */
 577             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 578                    sizeof(pmt_map_t), &pmtcompare );
 579             if ( !*psz_next )
 580                 psz = NULL;
 581         }
 582     }
 583     free( val.psz_string );
 584
 585     p_sys->i_pat_version_number = rand() % 32;
 586     p_sys->pat.i_pid = 0;
 587     p_sys->pat.i_continuity_counter = 0;
 588     p_sys->pat.b_discontinuity = false;
 589
 590     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 591     if ( val.i_int )
 592         p_sys->i_tsid = val.i_int;
 593     else
 594         p_sys->i_tsid = rand() % 65536;
 595
 596     p_sys->i_netid = rand() % 65536;
 597 #ifdef HAVE_DVBPSI_SDT
 598     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 599     if ( val.i_int )
 600         p_sys->i_netid = val.i_int;
 601 #endif
 602
 603     p_sys->i_pmt_version_number = rand() % 32;
 604     for( i = 0; i < p_sys->i_num_pmt; i++ )
 605     {
 606         p_sys->pmt[i].i_continuity_counter = 0;
 607         p_sys->pmt[i].b_discontinuity = false;
 608     }
 609
 610     p_sys->sdt.i_pid = 0x11;
 611     p_sys->sdt.i_continuity_counter = 0;
 612     p_sys->sdt.b_discontinuity = false;
 613
 614 #ifdef HAVE_DVBPSI_SDT
 615     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 616     p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
 617
 618     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 619     if( p_sys->b_sdt )
 620     {
 621
 622         char *psz = val.psz_string;
 623         char *psz_sdttoken = psz;
 624
 625         i = 0;
 626         while ( psz_sdttoken != NULL )
 627         {
 628             char *psz_end = strchr( psz_sdttoken, ',' );
 629             if( psz_end != NULL )
 630             {
 631                 *psz_end++ = '\0';
 632             }
 633             if ( !(i % 2) )
 634             {
 635                 p_sys->sdt_descriptors[i/2].psz_provider
 636                     = strdup(psz_sdttoken);
 637             }
 638             else
 639             {
 640                 p_sys->sdt_descriptors[i/2].psz_service_name
 641                     = strdup(psz_sdttoken);
 642             }
 643
 644             i++;
 645             psz_sdttoken = psz_end;
 646         }
 647     }
 648     free( val.psz_string );
 649 #else
 650     p_sys->b_sdt = false;
 651 #endif
 652
 653     p_sys->b_data_alignment = var_GetBool( p_mux, SOUT_CFG_PREFIX "alignment" );
 654
 655     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 656     if( val.psz_string && *val.psz_string )
 657     {
 658         char *psz_next;
 659         char *psz = val.psz_string;
 660         uint16_t i_pid;
 661
 662         psz_next = psz;
 663         i = 0;
 664         while ( psz != NULL )
 665         {
 666             i_pid = strtoul( psz, &psz_next, 0 );
 667             if( strlen(psz_next) > 0 )
 668                 psz = &psz_next[1];
 669             else
 670                 psz = NULL;
 671
 672             if( i_pid == 0 )
 673             {
 674                 if( i > MAX_PMT )
 675                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 676                              MAX_PMT );
 677             }
 678             else
 679             {
 680                 p_sys->i_pmt_program_number[i] = i_pid;
 681                 i++;
 682             }
 683         }
 684     }
 685     else
 686     {
 687         /* Option not specified, use 1, 2, 3... */
 688         for( i = 0; i < p_sys->i_num_pmt; i++ )
 689             p_sys->i_pmt_program_number[i] = i + 1;
 690     }
 691     free( val.psz_string );
 692
 693     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 694     if( val.i_int )
 695     {
 696         for( i = 0; i < p_sys->i_num_pmt; i++ )
 697             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 698     }
 699     else
 700     {
 701         for( i = 0; i < p_sys->i_num_pmt; i++ )
 702             p_sys->pmt[i].i_pid = 0x42 + i;
 703     }
 704
 705     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 706
 707     p_sys->i_pid_video = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-video" );
 708     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 709     {
 710         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 711     }
 712
 713     p_sys->i_pid_audio = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-audio" );
 714     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 715     {
 716         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 717     }
 718
 719     p_sys->i_pid_spu = var_GetInteger( p_mux, SOUT_CFG_PREFIX "pid-spu" );
 720     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 721     {
 722         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 723     }
 724
 725     p_sys->i_pcr_pid = 0x1fff;
 726     p_sys->p_pcr_input = NULL;
 727
 728     p_sys->i_mpeg4_streams = 0;
 729
 730     p_sys->i_null_continuity_counter = 0;
 731
 732     /* Allow to create constrained stream */
 733     p_sys->i_bitrate_min = var_GetInteger( p_mux, SOUT_CFG_PREFIX "bmin" );
 734
 735     p_sys->i_bitrate_max = var_GetInteger( p_mux, SOUT_CFG_PREFIX "bmax" );
 736
 737     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 738         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 739     {
 740         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 741                  "disabling bitrate control" );
 742         p_sys->i_bitrate_min = 0;
 743         p_sys->i_bitrate_max = 0;
 744     }
 745     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 746     {
 747         msg_Err( p_mux, "bmin and bmax no more supported "
 748                  "(if you need them report it)" );
 749     }
 750
 751     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 752     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 753     if( p_sys->i_shaping_delay <= 0 )
 754     {
 755         msg_Err( p_mux,
 756                  "invalid shaping (%"PRId64"ms) resetting to 200ms",
 757                  p_sys->i_shaping_delay / 1000 );
 758         p_sys->i_shaping_delay = 200000;
 759     }
 760
 761     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 762     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 763     if( p_sys->i_pcr_delay <= 0 ||
 764         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 765     {
 766         msg_Err( p_mux,
 767                  "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
 768                  p_sys->i_pcr_delay / 1000 );
 769         p_sys->i_pcr_delay = 70000;
 770     }
 771
 772     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 773     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 774
 775     msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
 776              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 777
 778     p_sys->b_use_key_frames = var_GetBool( p_mux, SOUT_CFG_PREFIX "use-key-frames" );
 779
 780     /* for TS generation */
 781     p_sys->i_pcr    = 0;
 782
 783     p_sys->csa      = NULL;
 784     var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 785     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 786     if( val.psz_string && *val.psz_string )
 787     {
 788         int i_res;
 789         vlc_value_t csa2;
 790
 791         p_sys->csa = csa_New();
 792
 793         var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 794         var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
 795         i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
 796         if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
 797         {
 798             if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
 799             {
 800                 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 801             }
 802         }
 803         else if( i_res == VLC_SUCCESS )
 804         {
 805             csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 806         }
 807         else
 808         {
 809             csa_Delete( p_sys->csa );
 810             p_sys->csa = NULL;
 811         }
 812
 813         if( p_sys->csa )
 814         {
 815             vlc_value_t use_val, pkt_val;
 816
 817             var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 818             var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
 819             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 820             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
 821             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 822
 823             if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
 824             {
 825                 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
 826             }
 827             free( use_val.psz_string );
 828
 829             var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 830             if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 831             {
 832                 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 833                 msg_Warn( p_mux, "using default packet size of 188 bytes" );
 834                 p_sys->i_csa_pkt_size = 188;
 835             }
 836             else p_sys->i_csa_pkt_size = pkt_val.i_int;
 837             msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 838         }
 839         free( csa2.psz_string );
 840     }
 841     free( val.psz_string );
 842
 843     p_sys->b_crypt_audio = var_GetBool( p_mux, SOUT_CFG_PREFIX "crypt-audio" );
 844
 845     p_sys->b_crypt_video = var_GetBool( p_mux, SOUT_CFG_PREFIX "crypt-video" );
 846
 847     return VLC_SUCCESS;
 848 }
 849
 850 /*****************************************************************************
 851  * Close:
 852  *****************************************************************************/
 853 static void Close( vlc_object_t * p_this )
 854 {
 855     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 856     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 857     int i;
 858
 859     if( p_sys->csa )
 860     {
 861         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
 862         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 863         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 864         csa_Delete( p_sys->csa );
 865     }
 866
 867     for( i = 0; i < MAX_PMT; i++ )
 868     {
 869         free( p_sys->sdt_descriptors[i].psz_service_name );
 870         free( p_sys->sdt_descriptors[i].psz_provider );
 871     }
 872
 873     vlc_mutex_destroy( &p_sys->csa_lock );
 874     free( p_sys->dvbpmt );
 875     free( p_sys );
 876 }
 877
 878 /*****************************************************************************
 879  * ChangeKeyCallback: called when changing the odd encryption key on the fly.
 880  *****************************************************************************/
 881 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 882                            vlc_value_t oldval, vlc_value_t newval,
 883                            void *p_data )
 884 {
 885     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 886     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 887     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 888     int ret;
 889
 890     vlc_mutex_lock( &p_sys->csa_lock );
 891     ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
 892                      !!(intptr_t)p_data );
 893     vlc_mutex_unlock( &p_sys->csa_lock );
 894
 895     return ret;
 896 }
 897
 898 /*****************************************************************************
 899  * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
 900  *****************************************************************************/
 901 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 902                            vlc_value_t oldval, vlc_value_t newval,
 903                            void *p_data )
 904 {
 905     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
 906     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 907     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 908     int             i_res = VLC_EBADVAR;
 909
 910     vlc_mutex_lock( &p_sys->csa_lock );
 911     if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
 912     {
 913         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
 914     }
 915     else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
 916     {
 917         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
 918     }
 919     vlc_mutex_unlock( &p_sys->csa_lock );
 920
 921     return i_res;
 922 }
 923
 924 /*****************************************************************************
 925  * Control:
 926  *****************************************************************************/
 927 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 928 {
 929     VLC_UNUSED(p_mux);
 930     bool *pb_bool;
 931     char **ppsz;
 932
 933     switch( i_query )
 934     {
 935         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 936             pb_bool = (bool*)va_arg( args, bool * );
 937             *pb_bool = true;
 938             return VLC_SUCCESS;
 939
 940         case MUX_GET_ADD_STREAM_WAIT:
 941             pb_bool = (bool*)va_arg( args, bool * );
 942             *pb_bool = false;
 943             return VLC_SUCCESS;
 944
 945         case MUX_GET_MIME:
 946             ppsz = (char**)va_arg( args, char ** );
 947             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 948             return VLC_SUCCESS;
 949
 950         default:
 951             return VLC_EGENERIC;
 952     }
 953 }
 954
 955 /*****************************************************************************
 956  * AddStream: called for each stream addition
 957  *****************************************************************************/
 958 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 959 {
 960     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 961     ts_stream_t         *p_stream;
 962     int                  i;
 963
 964     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 965     if( !p_input->p_sys )
 966         return VLC_ENOMEM;
 967
 968     /* Init this new stream */
 969     if ( p_sys->b_es_id_pid )
 970         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 971     else
 972         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 973     p_stream->i_codec = p_input->p_fmt->i_codec;
 974     p_stream->i_continuity_counter    = 0;
 975     p_stream->b_discontinuity         = false;
 976     p_stream->i_decoder_specific_info = 0;
 977     p_stream->p_decoder_specific_info = NULL;
 978
 979     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 980              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 981
 982     /* All others fields depand on codec */
 983     switch( p_input->p_fmt->i_cat )
 984     {
 985         case VIDEO_ES:
 986             switch( p_input->p_fmt->i_codec )
 987             {
 988                 case VLC_CODEC_MPGV:
 989                     /* TODO: do we need to check MPEG-I/II ? */
 990                     p_stream->i_stream_type = 0x02;
 991                     p_stream->i_stream_id = 0xe0;
 992                     break;
 993                 case VLC_CODEC_MP4V:
 994                     p_stream->i_stream_type = 0x10;
 995                     p_stream->i_stream_id = 0xe0;
 996                     p_stream->i_es_id = p_stream->i_pid;
 997                     break;
 998                 case VLC_CODEC_H264:
 999                     p_stream->i_stream_type = 0x1b;
1000                     p_stream->i_stream_id = 0xe0;
1001                     break;
1002                 /* XXX dirty dirty but somebody want that:
1003                  *     using crapy MS-codec XXX */
1004                 /* I didn't want to do that :P */
1005                 case VLC_CODEC_H263I:
1006                 case VLC_CODEC_H263:
1007                 case VLC_CODEC_WMV3:
1008                 case VLC_CODEC_WMV2:
1009                 case VLC_CODEC_WMV1:
1010                 case VLC_CODEC_DIV3:
1011                 case VLC_CODEC_DIV2:
1012                 case VLC_CODEC_DIV1:
1013                 case VLC_CODEC_MJPG:
1014                     p_stream->i_stream_type = 0xa0; /* private */
1015                     p_stream->i_stream_id = 0xa0;   /* beurk */
1016                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
1017                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
1018                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1019                     break;
1020                 case VLC_CODEC_DIRAC:
1021                     /* stream_id makes use of stream_id_extension */
1022                     p_stream->i_stream_id = (PES_EXTENDED_STREAM_ID << 8) | 0x60;
1023                     p_stream->i_stream_type = 0xd1;
1024                     break;
1025                 default:
1026                     free( p_stream );
1027                     return VLC_EGENERIC;
1028             }
1029             p_sys->i_video_bound++;
1030             break;
1031
1032         case AUDIO_ES:
1033             switch( p_input->p_fmt->i_codec )
1034             {
1035                 case VLC_CODEC_MPGA:
1036                     p_stream->i_stream_type =
1037                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1038                     p_stream->i_stream_id = 0xc0;
1039                     break;
1040                 case VLC_CODEC_A52:
1041                     p_stream->i_stream_type = 0x81;
1042                     p_stream->i_stream_id = 0xbd;
1043                     break;
1044                 case VLC_CODEC_EAC3:
1045                     p_stream->i_stream_type = 0x06;
1046                     p_stream->i_stream_id = 0xbd;
1047                     break;
1048                 case VLC_CODEC_DVD_LPCM:
1049                     p_stream->i_stream_type = 0x83;
1050                     p_stream->i_stream_id = 0xbd;
1051                     break;
1052                 case VLC_CODEC_DTS:
1053                     p_stream->i_stream_type = 0x06;
1054                     p_stream->i_stream_id = 0xbd;
1055                     break;
1056                 case VLC_CODEC_MP4A:
1057                     /* XXX: make that configurable in some way when LOAS
1058                      * is implemented for AAC in TS */
1059                     //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1060                     p_stream->i_stream_type = 0x0f; /* ADTS */
1061                     p_stream->i_stream_id = 0xc0;
1062                     p_sys->i_mpeg4_streams++;
1063                     p_stream->i_es_id = p_stream->i_pid;
1064                     break;
1065                 default:
1066                     free( p_stream );
1067                     return VLC_EGENERIC;
1068             }
1069             p_sys->i_audio_bound++;
1070             break;
1071
1072         case SPU_ES:
1073             switch( p_input->p_fmt->i_codec )
1074             {
1075                 case VLC_CODEC_SPU:
1076                     p_stream->i_stream_type = 0x82;
1077                     p_stream->i_stream_id = 0xbd;
1078                     break;
1079                 case VLC_CODEC_SUBT:
1080                     p_stream->i_stream_type = 0x12;
1081                     p_stream->i_stream_id = 0xfa;
1082                     p_sys->i_mpeg4_streams++;
1083                     p_stream->i_es_id = p_stream->i_pid;
1084                     break;
1085                 case VLC_CODEC_DVBS:
1086                     p_stream->i_stream_type = 0x06;
1087                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1088                     p_stream->i_stream_id = 0xbd;
1089                     break;
1090                 case VLC_CODEC_TELETEXT:
1091                     p_stream->i_stream_type = 0x06;
1092                     p_stream->i_stream_id = 0xbd; /* FIXME */
1093                     break;
1094                 default:
1095                     free( p_stream );
1096                     return VLC_EGENERIC;
1097             }
1098             break;
1099
1100         default:
1101             free( p_stream );
1102             return VLC_EGENERIC;
1103     }
1104
1105     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1106     p_stream->lang = malloc(p_stream->i_langs*3);
1107     if( !p_stream->lang )
1108     {
1109         p_stream->i_langs = 0;
1110         free( p_stream );
1111         return VLC_ENOMEM;
1112     }
1113     i = 1;
1114     p_stream->lang[0] =
1115     p_stream->lang[1] =
1116     p_stream->lang[2] = '\0';
1117     if( p_input->p_fmt->psz_language )
1118     {
1119         char *psz = p_input->p_fmt->psz_language;
1120         const iso639_lang_t *pl = NULL;
1121
1122         if( strlen( psz ) == 2 )
1123         {
1124             pl = GetLang_1( psz );
1125         }
1126         else if( strlen( psz ) == 3 )
1127         {
1128             pl = GetLang_2B( psz );
1129             if( !strcmp( pl->psz_iso639_1, "??" ) )
1130             {
1131                 pl = GetLang_2T( psz );
1132             }
1133         }
1134         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1135         {
1136             p_stream->lang[0] = pl->psz_iso639_2T[0];
1137             p_stream->lang[1] = pl->psz_iso639_2T[1];
1138             p_stream->lang[2] = pl->psz_iso639_2T[2];
1139
1140             msg_Dbg( p_mux, "    - lang=%c%c%c",
1141                      p_stream->lang[0], p_stream->lang[1],
1142                      p_stream->lang[2] );
1143         }
1144     }
1145     while( i < p_stream->i_langs ) {
1146         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1147         {
1148             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1149             const iso639_lang_t *pl = NULL;
1150
1151             if( strlen( psz ) == 2 )
1152             {
1153                 pl = GetLang_1( psz );
1154             }
1155             else if( strlen( psz ) == 3 )
1156             {
1157                 pl = GetLang_2B( psz );
1158                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1159                 {
1160                     pl = GetLang_2T( psz );
1161                 }
1162             }
1163             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1164             {
1165                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1166                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1167                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1168
1169                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1170                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1171                          p_stream->lang[i*3+2] );
1172             }
1173         }
1174         i++;
1175     }
1176
1177     /* Create decoder specific info for subt */
1178     if( p_stream->i_codec == VLC_CODEC_SUBT )
1179     {
1180         uint8_t *p;
1181
1182         p_stream->i_decoder_specific_info = 55;
1183         p_stream->p_decoder_specific_info = p =
1184             malloc( p_stream->i_decoder_specific_info );
1185         if( p )
1186         {
1187             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1188             p[1] = 0x00;    /* flags: 1b: associated video info flag
1189                                     3b: reserved
1190                                     1b: duration flag
1191                                     3b: reserved */
1192             p[2] = 52;      /* remaining size */
1193
1194             p += 3;
1195
1196             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1197             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1198             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1199
1200             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1201             *p++ = 0xff;                    /* background a */
1202
1203             p[0] = p[1] = 0; p += 2;        /* text box top */
1204             p[0] = p[1] = 0; p += 2;        /* text box left */
1205             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1206             p[0] = p[1] = 0; p += 2;        /* text box right */
1207
1208             p[0] = p[1] = 0; p += 2;        /* start char */
1209             p[0] = p[1] = 0; p += 2;        /* end char */
1210             p[0] = p[1] = 0; p += 2;        /* default font id */
1211
1212             *p++ = 0;                       /* font style flags */
1213             *p++ = 12;                      /* font size */
1214
1215             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1216             *p++ = 0x00;                    /* foreground a */
1217
1218             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1219             memcpy( p, "ftab", 4 ); p += 4;
1220             *p++ = 0; *p++ = 1;             /* entry count */
1221             p[0] = p[1] = 0; p += 2;        /* font id */
1222             *p++ = 9;                       /* font name length */
1223             memcpy( p, "Helvetica", 9 );    /* font name */
1224         }
1225         else p_stream->i_decoder_specific_info = 0;
1226     }
1227     else
1228     {
1229         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1230         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1231         if( p_stream->i_decoder_specific_info > 0 )
1232         {
1233             p_stream->p_decoder_specific_info =
1234                 malloc( p_stream->i_decoder_specific_info );
1235             if( p_stream->p_decoder_specific_info )
1236             {
1237                 memcpy( p_stream->p_decoder_specific_info,
1238                         p_input->p_fmt->p_extra,
1239                         p_input->p_fmt->i_extra );
1240             }
1241             else p_stream->i_decoder_specific_info = 0;
1242         }
1243     }
1244
1245     /* Init pes chain */
1246     BufferChainInit( &p_stream->chain_pes );
1247     p_stream->i_pes_dts    = 0;
1248     p_stream->i_pes_length = 0;
1249     p_stream->i_pes_used   = 0;
1250     p_stream->b_key_frame  = 0;
1251
1252     /* We only change PMT version (PAT isn't changed) */
1253     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1254
1255     /* Update pcr_pid */
1256     if( p_input->p_fmt->i_cat != SPU_ES &&
1257         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1258     {
1259         if( p_sys->p_pcr_input )
1260         {
1261             /* There was already a PCR stream, so clean context */
1262             /* FIXME */
1263         }
1264         p_sys->i_pcr_pid   = p_stream->i_pid;
1265         p_sys->p_pcr_input = p_input;
1266
1267         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1268     }
1269
1270     return VLC_SUCCESS;
1271 }
1272
1273 /*****************************************************************************
1274  * DelStream: called before a stream deletion
1275  *****************************************************************************/
1276 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1277 {
1278     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1279     ts_stream_t     *p_stream;
1280     vlc_value_t     val;
1281
1282     p_stream = (ts_stream_t*)p_input->p_sys;
1283     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1284
1285     if( p_sys->i_pcr_pid == p_stream->i_pid )
1286     {
1287         int i;
1288
1289         /* Find a new pcr stream (Prefer Video Stream) */
1290         p_sys->i_pcr_pid = 0x1fff;
1291         p_sys->p_pcr_input = NULL;
1292         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1293         {
1294             if( p_mux->pp_inputs[i] == p_input )
1295             {
1296                 continue;
1297             }
1298
1299             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1300             {
1301                 p_sys->i_pcr_pid  =
1302                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1303                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1304                 break;
1305             }
1306             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1307                      p_sys->i_pcr_pid == 0x1fff )
1308             {
1309                 p_sys->i_pcr_pid  =
1310                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1311                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1312             }
1313         }
1314         if( p_sys->p_pcr_input )
1315         {
1316             /* Empty TS buffer */
1317             /* FIXME */
1318         }
1319         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1320     }
1321
1322     /* Empty all data in chain_pes */
1323     BufferChainClean( &p_stream->chain_pes );
1324
1325     free(p_stream->lang);
1326     free( p_stream->p_decoder_specific_info );
1327     if( p_stream->i_stream_id == 0xfa ||
1328         p_stream->i_stream_id == 0xfb ||
1329         p_stream->i_stream_id == 0xfe )
1330     {
1331         p_sys->i_mpeg4_streams--;
1332     }
1333
1334     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1335     if( val.i_int > 0 )
1336     {
1337         int i_pid_video = val.i_int;
1338         if ( i_pid_video == p_stream->i_pid )
1339         {
1340             p_sys->i_pid_video = i_pid_video;
1341             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1342         }
1343     }
1344     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1345     if( val.i_int > 0 )
1346     {
1347         int i_pid_audio = val.i_int;
1348         if ( i_pid_audio == p_stream->i_pid )
1349         {
1350             p_sys->i_pid_audio = i_pid_audio;
1351             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1352         }
1353     }
1354     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1355     if( val.i_int > 0 )
1356     {
1357         int i_pid_spu = val.i_int;
1358         if ( i_pid_spu == p_stream->i_pid )
1359         {
1360             p_sys->i_pid_spu = i_pid_spu;
1361             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1362         }
1363     }
1364     free( p_stream );
1365
1366     /* We only change PMT version (PAT isn't changed) */
1367     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1368
1369     return VLC_SUCCESS;
1370 }
1371
1372 /*****************************************************************************
1373  * Mux: Call each time there is new data for at least one stream
1374  *****************************************************************************
1375  *
1376  *****************************************************************************/
1377 static int Mux( sout_mux_t *p_mux )
1378 {
1379     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1380     ts_stream_t     *p_pcr_stream;
1381
1382     if( p_sys->i_pcr_pid == 0x1fff )
1383     {
1384         int i;
1385         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1386         {
1387             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1388         }
1389         msg_Dbg( p_mux, "waiting for PCR streams" );
1390         return VLC_SUCCESS;
1391     }
1392     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1393
1394     for( ;; )
1395     {
1396         sout_buffer_chain_t chain_ts;
1397         int                 i_packet_count;
1398         int                 i_packet_pos;
1399         mtime_t             i_pcr_dts;
1400         mtime_t             i_pcr_length;
1401         mtime_t             i_shaping_delay;
1402         int i;
1403
1404         if( p_pcr_stream->b_key_frame )
1405         {
1406             i_shaping_delay = p_pcr_stream->i_pes_length;
1407         }
1408         else
1409         {
1410             i_shaping_delay = p_sys->i_shaping_delay;
1411         }
1412
1413         /* 1: get enough PES packet for all input */
1414         for( ;; )
1415         {
1416             bool b_ok = true;
1417             block_t *p_data;
1418
1419             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1420             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1421             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1422             {
1423                 sout_input_t *p_input;
1424                 ts_stream_t *p_stream;
1425                 int64_t i_spu_delay = 0;
1426
1427                 if( i == -1 )
1428                     p_input = p_sys->p_pcr_input;
1429                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1430                     continue;
1431                 else
1432                     p_input = p_mux->pp_inputs[i];
1433                 p_stream = (ts_stream_t*)p_input->p_sys;
1434
1435                 if( ( ( p_stream == p_pcr_stream ) &&
1436                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1437                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1438                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1439                 {
1440                     /* Need more data */
1441                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1442                     {
1443                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1444                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1445                         {
1446                             /* We need more data */
1447                             return VLC_SUCCESS;
1448                         }
1449                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1450                         {
1451                             /* spu, only one packet is needed */
1452                             continue;
1453                         }
1454                         else if( p_input->p_fmt->i_cat == SPU_ES )
1455                         {
1456                             /* Don't mux the SPU yet if it is too early */
1457                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1458
1459                             i_spu_delay =
1460                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1461
1462                             if( ( i_spu_delay > i_shaping_delay ) &&
1463                                 ( i_spu_delay < INT64_C(100000000) ) )
1464                                 continue;
1465
1466                             if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1467                                  ( i_spu_delay < INT64_C(10000) ) )
1468                             {
1469                                 BufferChainClean( &p_stream->chain_pes );
1470                                 p_stream->i_pes_dts = 0;
1471                                 p_stream->i_pes_used = 0;
1472                                 p_stream->i_pes_length = 0;
1473                                 continue;
1474                             }
1475                         }
1476                     }
1477                     b_ok = false;
1478
1479                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1480                          || p_input->p_fmt->i_codec !=
1481                              VLC_CODEC_MPGA )
1482                     {
1483                         p_data = block_FifoGet( p_input->p_fifo );
1484
1485                         if( p_input->p_fmt->i_codec ==
1486                                 VLC_CODEC_MP4A )
1487                             p_data = Add_ADTS( p_data, p_input->p_fmt );
1488                     }
1489                     else
1490                         p_data = FixPES( p_mux, p_input->p_fifo );
1491
1492                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1493                         p_input->p_fmt->i_cat != SPU_ES )
1494                     {
1495                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1496                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1497                     }
1498                     else if( p_input->p_fmt->i_codec !=
1499                                VLC_CODEC_SUBT )
1500                         p_data->i_length = 1000;
1501
1502                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1503                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1504                           p_pcr_stream->i_pes_length ) ||
1505                         p_data->i_dts < p_stream->i_pes_dts ||
1506                         ( p_stream->i_pes_dts > 0 &&
1507                           p_input->p_fmt->i_cat != SPU_ES &&
1508                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1509                           p_stream->i_pes_length ) )
1510                     {
1511                         msg_Warn( p_mux, "packet with too strange dts "
1512                                   "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1513                                   p_data->i_dts, p_stream->i_pes_dts,
1514                                   p_pcr_stream->i_pes_dts );
1515                         block_Release( p_data );
1516
1517                         BufferChainClean( &p_stream->chain_pes );
1518                         p_stream->i_pes_dts = 0;
1519                         p_stream->i_pes_used = 0;
1520                         p_stream->i_pes_length = 0;
1521
1522                         if( p_input->p_fmt->i_cat != SPU_ES )
1523                         {
1524                             BufferChainClean( &p_pcr_stream->chain_pes );
1525                             p_pcr_stream->i_pes_dts = 0;
1526                             p_pcr_stream->i_pes_used = 0;
1527                             p_pcr_stream->i_pes_length = 0;
1528                         }
1529                     }
1530                     else
1531                     {
1532                         int i_header_size = 0;
1533                         int i_max_pes_size = 0;
1534                         int b_data_alignment = 0;
1535                         if( p_input->p_fmt->i_cat == SPU_ES )
1536                         {
1537                             if( p_input->p_fmt->i_codec ==
1538                                 VLC_CODEC_SUBT )
1539                             {
1540                                 /* Prepend header */
1541                                 p_data = block_Realloc( p_data, 2,
1542                                                         p_data->i_buffer );
1543                                 p_data->p_buffer[0] =
1544                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1545                                 p_data->p_buffer[1] =
1546                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1547
1548                                 /* remove trailling \0 if any */
1549                                 if( p_data->i_buffer > 2 &&
1550                                     p_data->p_buffer[p_data->i_buffer -1] ==
1551                                     '\0' )
1552                                     p_data->i_buffer--;
1553
1554                                 /* Append a empty sub (sub text only) */
1555                                 if( p_data->i_length > 0 &&
1556                                     !( p_data->i_buffer == 1 &&
1557                                        *p_data->p_buffer == ' ' ) )
1558                                 {
1559                                     block_t *p_spu = block_New( p_mux, 3 );
1560
1561                                     p_spu->i_dts = p_spu->i_pts =
1562                                         p_data->i_dts + p_data->i_length;
1563                                     p_spu->i_length = 1000;
1564
1565                                     p_spu->p_buffer[0] = 0;
1566                                     p_spu->p_buffer[1] = 1;
1567                                     p_spu->p_buffer[2] = ' ';
1568
1569                                     EStoPES( p_mux->p_sout, &p_spu, p_spu,
1570                                                  p_input->p_fmt,
1571                                                  p_stream->i_stream_id, 1,
1572                                                  0, 0, 0 );
1573                                     p_data->p_next = p_spu;
1574                                 }
1575                             }
1576                             else if( p_input->p_fmt->i_codec ==
1577                                        VLC_CODEC_TELETEXT )
1578                             {
1579                                 /* EN 300 472 */
1580                                 i_header_size = 0x24;
1581                                 b_data_alignment = 1;
1582                             }
1583                             else if( p_input->p_fmt->i_codec ==
1584                                        VLC_CODEC_DVBS )
1585                             {
1586                                 /* EN 300 743 */
1587                                 b_data_alignment = 1;
1588                             }
1589                         }
1590                         else if( p_data->i_length < 0 ||
1591                                  p_data->i_length > 2000000 )
1592                         {
1593                             /* FIXME choose a better value, but anyway we
1594                              * should never have to do that */
1595                             p_data->i_length = 1000;
1596                         }
1597
1598                         p_stream->i_pes_length += p_data->i_length;
1599                         if( p_stream->i_pes_dts == 0 )
1600                         {
1601                             p_stream->i_pes_dts = p_data->i_dts;
1602                         }
1603
1604                         /* Convert to pes */
1605                         if( p_stream->i_stream_id == 0xa0 &&
1606                             p_data->i_pts <= 0 )
1607                         {
1608                             /* XXX yes I know, it's awful, but it's needed,
1609                              * so don't remove it ... */
1610                             p_data->i_pts = p_data->i_dts;
1611                         }
1612
1613                         if( p_input->p_fmt->i_codec ==
1614                                    VLC_CODEC_DIRAC )
1615                         {
1616                             b_data_alignment = 1;
1617                             /* dirac pes packets should be unbounded in
1618                              * length, specify a suitibly large max size */
1619                             i_max_pes_size = INT_MAX;
1620                         }
1621
1622                          EStoPES ( p_mux->p_sout, &p_data, p_data,
1623                                        p_input->p_fmt, p_stream->i_stream_id,
1624                                        1, b_data_alignment, i_header_size,
1625                                        i_max_pes_size );
1626
1627                         BufferChainAppend( &p_stream->chain_pes, p_data );
1628
1629                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1630                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1631                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1632                             && (p_stream->i_pes_length > 400000) )
1633                         {
1634                             i_shaping_delay = p_stream->i_pes_length;
1635                             p_stream->b_key_frame = 1;
1636                         }
1637                     }
1638                 }
1639             }
1640
1641             if( b_ok )
1642             {
1643                 break;
1644             }
1645         }
1646
1647         /* save */
1648         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1649         i_pcr_length   = p_pcr_stream->i_pes_length;
1650         p_pcr_stream->b_key_frame = 0;
1651
1652         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1653         /* 2: calculate non accurate total size of muxed ts */
1654         i_packet_count = 0;
1655         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1656         {
1657             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1658             block_t *p_pes;
1659
1660             /* False for pcr stream but it will be enough to do PCR algo */
1661             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1662                  p_pes = p_pes->p_next )
1663             {
1664                 int i_size = p_pes->i_buffer;
1665                 if( p_pes->i_dts + p_pes->i_length >
1666                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1667                 {
1668                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1669                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1670                     if( i_frag < 0 )
1671                     {
1672                         /* Next stream */
1673                         break;
1674                     }
1675                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1676                 }
1677                 i_packet_count += ( i_size + 183 ) / 184;
1678             }
1679         }
1680         /* add overhead for PCR (not really exact) */
1681         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1682
1683         /* 3: mux PES into TS */
1684         BufferChainInit( &chain_ts );
1685         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1686         GetPAT( p_mux, &chain_ts );
1687         GetPMT( p_mux, &chain_ts );
1688         i_packet_pos = 0;
1689         i_packet_count += chain_ts.i_depth;
1690         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1691
1692         for( ;; )
1693         {
1694             int          i_stream;
1695             mtime_t      i_dts;
1696             ts_stream_t  *p_stream;
1697             sout_input_t *p_input;
1698             block_t      *p_ts;
1699             bool         b_pcr;
1700
1701             /* Select stream (lowest dts) */
1702             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1703             {
1704                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1705
1706                 if( p_stream->i_pes_dts == 0 )
1707                 {
1708                     continue;
1709                 }
1710
1711                 if( i_stream == -1 ||
1712                     p_stream->i_pes_dts < i_dts )
1713                 {
1714                     i_stream = i;
1715                     i_dts = p_stream->i_pes_dts;
1716                 }
1717             }
1718             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1719             {
1720                 break;
1721             }
1722             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1723             p_input = p_mux->pp_inputs[i_stream];
1724
1725             /* do we need to issue pcr */
1726             b_pcr = false;
1727             if( p_stream == p_pcr_stream &&
1728                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1729                 p_sys->i_pcr + p_sys->i_pcr_delay )
1730             {
1731                 b_pcr = true;
1732                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1733                     i_pcr_length / i_packet_count;
1734             }
1735
1736             /* Build the TS packet */
1737             p_ts = TSNew( p_mux, p_stream, b_pcr );
1738             if( p_sys->csa != NULL &&
1739                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1740                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1741             {
1742                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1743             }
1744             i_packet_pos++;
1745
1746             /* */
1747             BufferChainAppend( &chain_ts, p_ts );
1748         }
1749
1750         /* 4: date and send */
1751         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1752     }
1753 }
1754
1755 #define STD_PES_PAYLOAD 170
1756 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1757 {
1758     VLC_UNUSED(p_mux);
1759     block_t *p_data;
1760     size_t i_size;
1761
1762     p_data = block_FifoShow( p_fifo );
1763     i_size = p_data->i_buffer;
1764
1765     if( i_size == STD_PES_PAYLOAD )
1766     {
1767         return block_FifoGet( p_fifo );
1768     }
1769     else if( i_size > STD_PES_PAYLOAD )
1770     {
1771         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1772         vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1773         p_new->i_pts = p_data->i_pts;
1774         p_new->i_dts = p_data->i_dts;
1775         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1776                             / p_data->i_buffer;
1777         p_data->i_buffer -= STD_PES_PAYLOAD;
1778         p_data->p_buffer += STD_PES_PAYLOAD;
1779         p_data->i_pts += p_new->i_length;
1780         p_data->i_dts += p_new->i_length;
1781         p_data->i_length -= p_new->i_length;
1782         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1783         return p_new;
1784     }
1785     else
1786     {
1787         block_t *p_next;
1788         int i_copy;
1789
1790         p_data = block_FifoGet( p_fifo );
1791         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1792         p_next = block_FifoShow( p_fifo );
1793         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1794         {
1795             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1796             p_data->i_pts = p_next->i_pts;
1797             p_data->i_dts = p_next->i_dts;
1798         }
1799         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1800
1801         vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1802         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1803         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1804         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1805         p_next->i_buffer -= i_copy;
1806         p_next->p_buffer += i_copy;
1807         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1808
1809         if( !p_next->i_buffer )
1810         {
1811             p_next = block_FifoGet( p_fifo );
1812             block_Release( p_next );
1813         }
1814         return p_data;
1815     }
1816 }
1817
1818 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1819 {
1820     uint8_t *p_extra = p_fmt->p_extra;
1821
1822     if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1823         return p_data; /* no data to construct the headers */
1824
1825     int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1826     int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1827
1828     if( i_index == 0x0f && p_fmt->i_extra < 5 )
1829         return p_data; /* not enough data */
1830
1831     int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1832
1833 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1834
1835
1836     /* keep a copy in case block_Realloc() fails */
1837     block_t *p_bak_block = block_Duplicate( p_data );
1838     if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1839         return p_data; /* the frame isn't correct but that's the best we have */
1840
1841     block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1842                                             p_data->i_buffer );
1843     if( !p_new_block )
1844         return p_bak_block; /* OOM, send the (incorrect) original frame */
1845
1846     block_Release( p_bak_block ); /* we don't need the copy anymore */
1847
1848
1849     uint8_t *p_buffer = p_new_block->p_buffer;
1850
1851     /* fixed header */
1852     p_buffer[0] = 0xff;
1853     p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1854     p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1855     p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1856
1857     /* variable header (starts at last 2 bits of 4th byte) */
1858
1859     int i_fullness = 0x7ff; /* 0x7ff means VBR */
1860     /* XXX: We should check if it's CBR or VBR, but no known implementation
1861      * do that, and it's a pain to calculate this field */
1862
1863     p_buffer[4] = p_data->i_buffer >> 3;
1864     p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1865     p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1866
1867     return p_new_block;
1868 }
1869
1870 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1871                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1872 {
1873     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1874     sout_buffer_chain_t new_chain;
1875     int i_packet_count = p_chain_ts->i_depth;
1876     int i;
1877
1878     BufferChainInit( &new_chain );
1879
1880     if ( i_pcr_length <= 0 )
1881     {
1882         i_pcr_length = i_packet_count;
1883     }
1884
1885     for( i = 0; i < i_packet_count; i++ )
1886     {
1887         block_t *p_ts = BufferChainGet( p_chain_ts );
1888         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1889
1890         BufferChainAppend( &new_chain, p_ts );
1891
1892         if( p_ts->i_dts &&
1893             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1894         {
1895             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1896             mtime_t i_cut_dts = p_ts->i_dts;
1897
1898             p_ts = BufferChainPeek( p_chain_ts );
1899             i++;
1900             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1901             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1902             {
1903                 p_ts = BufferChainGet( p_chain_ts );
1904                 i_max_diff = i_new_dts - p_ts->i_dts;
1905                 i_cut_dts = p_ts->i_dts;
1906                 BufferChainAppend( &new_chain, p_ts );
1907
1908                 p_ts = BufferChainPeek( p_chain_ts );
1909                 i++;
1910                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1911             }
1912             msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1913                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1914                      p_chain_ts->i_depth );
1915             if ( new_chain.i_depth )
1916                 TSDate( p_mux, &new_chain,
1917                         i_cut_dts - i_pcr_dts,
1918                         i_pcr_dts );
1919             if ( p_chain_ts->i_depth )
1920                 TSSchedule( p_mux,
1921                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1922                             i_cut_dts );
1923             return;
1924         }
1925     }
1926
1927     if ( new_chain.i_depth )
1928         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1929 }
1930
1931 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1932                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1933 {
1934     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1935     int i_packet_count = p_chain_ts->i_depth;
1936     int i;
1937
1938     if ( i_pcr_length / 1000 > 0 )
1939     {
1940         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1941                           / (uint64_t)(i_pcr_length / 1000);
1942         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1943         {
1944             msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1945                       " (%d bi/s for %d pkt in %"PRId64" us)",
1946                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1947                       i_bitrate, i_packet_count, i_pcr_length);
1948         }
1949 #if 0
1950         else
1951         {
1952             msg_Dbg( p_mux, "starting at %"PRId64
1953                      " (%d bi/s for %d packets in %"PRId64" us)",
1954                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1955                      i_bitrate, i_packet_count, i_pcr_length);
1956         }
1957 #endif
1958     }
1959     else
1960     {
1961         /* This shouldn't happen, but happens in some rare heavy load
1962          * and packet losses conditions. */
1963         i_pcr_length = i_packet_count;
1964     }
1965
1966     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1967     for( i = 0; i < i_packet_count; i++ )
1968     {
1969         block_t *p_ts = BufferChainGet( p_chain_ts );
1970         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1971
1972         p_ts->i_dts    = i_new_dts;
1973         p_ts->i_length = i_pcr_length / i_packet_count;
1974
1975         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1976         {
1977             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1978             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1979         }
1980         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1981         {
1982             vlc_mutex_lock( &p_sys->csa_lock );
1983             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1984             vlc_mutex_unlock( &p_sys->csa_lock );
1985         }
1986
1987         /* latency */
1988         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1989
1990         sout_AccessOutWrite( p_mux->p_access, p_ts );
1991     }
1992 }
1993
1994 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1995                        bool b_pcr )
1996 {
1997     VLC_UNUSED(p_mux);
1998     block_t *p_pes = p_stream->chain_pes.p_first;
1999     block_t *p_ts;
2000
2001     bool b_new_pes = false;
2002     bool b_adaptation_field = false;
2003
2004     int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2005     int i_payload;
2006
2007     if( p_stream->i_pes_used <= 0 )
2008     {
2009         b_new_pes = true;
2010     }
2011     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2012                        i_payload_max );
2013
2014     if( b_pcr || i_payload < i_payload_max )
2015     {
2016         b_adaptation_field = true;
2017     }
2018
2019     p_ts = block_New( p_mux, 188 );
2020     p_ts->i_dts = p_pes->i_dts;
2021
2022     p_ts->p_buffer[0] = 0x47;
2023     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2024         ( ( p_stream->i_pid >> 8 )&0x1f );
2025     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2026     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2027         p_stream->i_continuity_counter;
2028
2029     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2030     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2031
2032     if( b_adaptation_field )
2033     {
2034         int i;
2035
2036         if( b_pcr )
2037         {
2038             int     i_stuffing = i_payload_max - i_payload;
2039
2040             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2041
2042             p_ts->p_buffer[4] = 7 + i_stuffing;
2043             p_ts->p_buffer[5] = 0x10;   /* flags */
2044             if( p_stream->b_discontinuity )
2045             {
2046                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2047                 p_stream->b_discontinuity = false;
2048             }
2049             p_ts->p_buffer[6] = ( 0 )&0xff;
2050             p_ts->p_buffer[7] = ( 0 )&0xff;
2051             p_ts->p_buffer[8] = ( 0 )&0xff;
2052             p_ts->p_buffer[9] = ( 0 )&0xff;
2053             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2054             p_ts->p_buffer[11]= 0;
2055
2056             for( i = 12; i < 12 + i_stuffing; i++ )
2057             {
2058                 p_ts->p_buffer[i] = 0xff;
2059             }
2060         }
2061         else
2062         {
2063             int i_stuffing = i_payload_max - i_payload;
2064
2065             p_ts->p_buffer[4] = i_stuffing - 1;
2066             if( i_stuffing > 1 )
2067             {
2068                 p_ts->p_buffer[5] = 0x00;
2069                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2070                 {
2071                     p_ts->p_buffer[i] = 0xff;
2072                 }
2073             }
2074         }
2075     }
2076
2077     /* copy payload */
2078     memcpy( &p_ts->p_buffer[188 - i_payload],
2079             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2080
2081     p_stream->i_pes_used += i_payload;
2082     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2083         p_stream->i_pes_used / p_pes->i_buffer;
2084     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2085
2086     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2087     {
2088         p_pes = BufferChainGet( &p_stream->chain_pes );
2089         block_Release( p_pes );
2090
2091         p_pes = p_stream->chain_pes.p_first;
2092         if( p_pes )
2093         {
2094             p_stream->i_pes_dts    = p_pes->i_dts;
2095             p_stream->i_pes_length = 0;
2096             while( p_pes )
2097             {
2098                 p_stream->i_pes_length += p_pes->i_length;
2099
2100                 p_pes = p_pes->p_next;
2101             }
2102         }
2103         else
2104         {
2105             p_stream->i_pes_dts = 0;
2106             p_stream->i_pes_length = 0;
2107         }
2108         p_stream->i_pes_used = 0;
2109     }
2110
2111     return p_ts;
2112 }
2113
2114 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2115 {
2116     mtime_t i_pcr = 9 * i_dts / 100;
2117
2118     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
2119     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
2120     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
2121     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
2122     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
2123 }
2124
2125 #if 0
2126 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2127                               mtime_t i_length, int i_bitrate_min,
2128                               int i_bitrate_max )
2129 {
2130     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2131     sout_buffer_chain_t s = *c;
2132
2133     int i_packets = 0;
2134     int i_packets_min = 0;
2135     int i_packets_max = 0;
2136
2137     if( i_length <= 0 )
2138     {
2139         return;
2140     }
2141
2142     i_packets     = c->i_depth;
2143     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
2144     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
2145
2146     if( i_packets < i_packets_min && i_packets_min > 0 )
2147     {
2148         block_t *p_pk;
2149         int i_div = ( i_packets_min - i_packets ) / i_packets;
2150         int i_mod = ( i_packets_min - i_packets ) % i_packets;
2151         int i_rest = 0;
2152
2153         /* We need to pad with null packets (pid=0x1fff)
2154          * We try to melt null packets with true packets */
2155         msg_Dbg( p_mux,
2156                  "packets=%d but min=%d -> adding %d packets of padding",
2157                  i_packets, i_packets_min, i_packets_min - i_packets );
2158
2159         BufferChainInit( c );
2160         while( ( p_pk = BufferChainGet( &s ) ) )
2161         {
2162             int i, i_null;
2163
2164             BufferChainAppend( c, p_pk );
2165
2166             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2167
2168             for( i = 0; i < i_null; i++ )
2169             {
2170                 block_t *p_null;
2171
2172                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2173                 p_null->p_buffer[0] = 0x47;
2174                 p_null->p_buffer[1] = 0x1f;
2175                 p_null->p_buffer[2] = 0xff;
2176                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2177                 memset( &p_null->p_buffer[4], 0, 184 );
2178                 p_sys->i_null_continuity_counter =
2179                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2180
2181                 BufferChainAppend( c, p_null );
2182             }
2183
2184             i_rest = ( i_rest + i_mod ) % i_packets;
2185         }
2186     }
2187     else if( i_packets > i_packets_max && i_packets_max > 0 )
2188     {
2189         block_t *p_pk;
2190         int           i;
2191
2192         /* Arg, we need to drop packets, I don't do something clever (like
2193          * dropping complete pid, b frames, ... ), I just get the right amount
2194          * of packets and discard the others */
2195         msg_Warn( p_mux,
2196                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2197                   i_packets, i_packets_max, i_packets - i_packets_max );
2198
2199         BufferChainInit( c );
2200         for( i = 0; i < i_packets_max; i++ )
2201         {
2202             BufferChainAppend( c, BufferChainGet( &s ) );
2203         }
2204
2205         while( ( p_pk = BufferChainGet( &s ) ) )
2206         {
2207             sout_BufferDelete( p_mux->p_sout, p_pk );
2208         }
2209     }
2210 }
2211 #endif
2212
2213 static void PEStoTS( sout_instance_t *p_sout,
2214                      sout_buffer_chain_t *c, block_t *p_pes,
2215                      ts_stream_t *p_stream )
2216 {
2217     VLC_UNUSED(p_sout);
2218     uint8_t *p_data;
2219     int     i_size;
2220     int     b_new_pes;
2221
2222     /* get PES total size */
2223     i_size = p_pes->i_buffer;
2224     p_data = p_pes->p_buffer;
2225
2226     b_new_pes = true;
2227
2228     for( ;; )
2229     {
2230         int           b_adaptation_field;
2231         int           i_copy;
2232         block_t *p_ts;
2233
2234         p_ts = block_New( p_sout, 188 );
2235         /* write header
2236          * 8b   0x47    sync byte
2237          * 1b           transport_error_indicator
2238          * 1b           payload_unit_start
2239          * 1b           transport_priority
2240          * 13b          pid
2241          * 2b           transport_scrambling_control
2242          * 2b           if adaptation_field 0x03 else 0x01
2243          * 4b           continuity_counter
2244          */
2245
2246         i_copy    = __MIN( i_size, 184 );
2247         b_adaptation_field = i_size < 184 ? true : false;
2248
2249         p_ts->p_buffer[0] = 0x47;
2250         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2251                             ( ( p_stream->i_pid >> 8 )&0x1f );
2252         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2253         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2254                             p_stream->i_continuity_counter;
2255
2256         b_new_pes = false;
2257         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2258
2259         if( b_adaptation_field )
2260         {
2261             int i_stuffing = 184 - i_copy;
2262             int i;
2263
2264             p_ts->p_buffer[4] = i_stuffing - 1;
2265             if( i_stuffing > 1 )
2266             {
2267                 p_ts->p_buffer[5] = 0x00;
2268                 if( p_stream->b_discontinuity )
2269                 {
2270                     p_ts->p_buffer[5] |= 0x80;
2271                     p_stream->b_discontinuity = false;
2272                 }
2273                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2274                 {
2275                     p_ts->p_buffer[i] = 0xff;
2276                 }
2277             }
2278         }
2279         /* copy payload */
2280         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2281         p_data += i_copy;
2282         i_size -= i_copy;
2283
2284         BufferChainAppend( c, p_ts );
2285
2286         if( i_size <= 0 )
2287         {
2288             block_t *p_next = p_pes->p_next;
2289
2290             p_pes->p_next = NULL;
2291             block_Release( p_pes );
2292             if( p_next == NULL )
2293             {
2294                 break;
2295             }
2296             b_new_pes = true;
2297             p_pes = p_next;
2298             i_size = p_pes->i_buffer;
2299             p_data = p_pes->p_buffer;
2300         }
2301     }
2302
2303     return;
2304 }
2305
2306 static block_t *WritePSISection( sout_instance_t *p_sout,
2307                                        dvbpsi_psi_section_t* p_section )
2308 {
2309     VLC_UNUSED(p_sout);
2310     block_t   *p_psi, *p_first = NULL;
2311
2312     while( p_section )
2313     {
2314         int             i_size;
2315
2316         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2317                   ( p_section->b_syntax_indicator ? 4 : 0 );
2318
2319         p_psi = block_New( p_sout, i_size + 1 );
2320         p_psi->i_pts = 0;
2321         p_psi->i_dts = 0;
2322         p_psi->i_length = 0;
2323         p_psi->i_buffer = i_size + 1;
2324
2325         p_psi->p_buffer[0] = 0; /* pointer */
2326         memcpy( p_psi->p_buffer + 1,
2327                 p_section->p_data,
2328                 i_size );
2329
2330         block_ChainAppend( &p_first, p_psi );
2331
2332         p_section = p_section->p_next;
2333     }
2334
2335     return( p_first );
2336 }
2337
2338 static void GetPAT( sout_mux_t *p_mux,
2339                     sout_buffer_chain_t *c )
2340 {
2341     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2342     block_t              *p_pat;
2343     dvbpsi_pat_t         pat;
2344     dvbpsi_psi_section_t *p_section;
2345     int i;
2346
2347     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2348                     1 );      /* b_current_next */
2349     /* add all programs */
2350     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2351         dvbpsi_PATAddProgram( &pat,
2352                               p_sys->i_pmt_program_number[i],
2353                               p_sys->pmt[i].i_pid );
2354
2355     p_section = dvbpsi_GenPATSections( &pat,
2356                                        0 );     /* max program per section */
2357
2358     p_pat = WritePSISection( p_mux->p_sout, p_section );
2359
2360     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2361
2362     dvbpsi_DeletePSISections( p_section );
2363     dvbpsi_EmptyPAT( &pat );
2364 }
2365
2366 static uint32_t GetDescriptorLength24b( int i_length )
2367 {
2368     uint32_t i_l1, i_l2, i_l3;
2369
2370     i_l1 = i_length&0x7f;
2371     i_l2 = ( i_length >> 7 )&0x7f;
2372     i_l3 = ( i_length >> 14 )&0x7f;
2373
2374     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2375 }
2376
2377 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2378 {
2379     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2380     block_t   *p_pmt[MAX_PMT];
2381
2382     dvbpsi_pmt_es_t     *p_es;
2383     dvbpsi_psi_section_t *p_section[MAX_PMT];
2384
2385     int             i_pidinput;
2386     int             i_stream;
2387     int             i;
2388     int             *p_usepid = NULL;
2389
2390 #ifdef HAVE_DVBPSI_SDT
2391     block_t         *p_sdt;
2392     dvbpsi_sdt_t    sdt;
2393
2394     dvbpsi_psi_section_t* p_section2;
2395     dvbpsi_sdt_service_t *p_service;
2396
2397     uint8_t         *psz_sdt_desc;
2398 #endif
2399
2400     if( p_sys->dvbpmt == NULL )
2401     {
2402         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2403         if( !p_sys->dvbpmt )
2404         {
2405             return;
2406         }
2407     }
2408 #ifdef HAVE_DVBPSI_SDT
2409     if( p_sys->b_sdt )
2410         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2411 #endif
2412
2413     for( i = 0; i < p_sys->i_num_pmt; i++ )
2414     {
2415         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2416                         p_sys->i_pmt_program_number[i],   /* program number */
2417                         p_sys->i_pmt_version_number,
2418                         1,      /* b_current_next */
2419                         p_sys->i_pcr_pid );
2420
2421 #ifdef HAVE_DVBPSI_SDT
2422         if( p_sys->b_sdt )
2423         {
2424             p_service = dvbpsi_SDTAddService( &sdt,
2425                 p_sys->i_pmt_program_number[i],  /* service id */
2426                 0,         /* eit schedule */
2427                 0,         /* eit present */
2428                 4,         /* running status ("4=RUNNING") */
2429                 0 );       /* free ca */
2430
2431 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2432 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2433
2434             /* FIXME: Ineffecient malloc's & ugly code......  */
2435             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2436             {
2437                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2438                                          + strlen(psz_sdtserv) );
2439                 if( psz_sdt_desc )
2440                 {
2441                     psz_sdt_desc[0] = 0x01; /* digital television service */
2442
2443                     /* service provider name length */
2444                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2445                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2446
2447                     /* service name length */
2448                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2449                         = (char)strlen(psz_sdtserv);
2450                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2451                             strlen(psz_sdtserv) );
2452
2453                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2454                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2455                             (uint8_t *)psz_sdt_desc );
2456                     free( psz_sdt_desc );
2457                     psz_sdt_desc = NULL;
2458                 }
2459             }
2460 #undef psz_sdtprov
2461 #undef psz_sdtserv
2462         }
2463 #endif
2464     }
2465
2466     if( p_sys->i_mpeg4_streams > 0 )
2467     {
2468         uint8_t iod[4096];
2469         bits_buffer_t bits;
2470         bits_buffer_t bits_fix_IOD;
2471
2472         /* Make valgrind happy : it works at byte level not bit one so
2473          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2474          * working (needed when fixing some bits) */
2475         memset( iod, 0, 4096 );
2476
2477         bits_initwrite( &bits, 4096, iod );
2478         /* IOD_label_scope */
2479         bits_write( &bits, 8,   0x11 );
2480         /* IOD_label */
2481         bits_write( &bits, 8,   0x01 );
2482         /* InitialObjectDescriptor */
2483         bits_align( &bits );
2484         bits_write( &bits, 8,   0x02 );     /* tag */
2485         bits_fix_IOD = bits;    /* save states to fix length later */
2486         bits_write( &bits, 24,
2487             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2488         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2489         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2490         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2491         bits_write( &bits, 4,   0x0f );     /* reserved */
2492         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2493         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2494         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2495         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2496         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2497         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2498         {
2499             ts_stream_t *p_stream;
2500             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2501
2502             if( p_stream->i_stream_id == 0xfa ||
2503                 p_stream->i_stream_id == 0xfb ||
2504                 p_stream->i_stream_id == 0xfe )
2505             {
2506                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2507                 /* ES descriptor */
2508                 bits_align( &bits );
2509                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2510                 bits_fix_ESDescr = bits;
2511                 bits_write( &bits, 24,
2512                             GetDescriptorLength24b( 0 ) ); /* variable size */
2513                 bits_write( &bits, 16,  p_stream->i_es_id );
2514                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2515                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2516                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2517                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2518
2519                 /* DecoderConfigDesciptor */
2520                 bits_align( &bits );
2521                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2522                 bits_fix_Decoder = bits;
2523                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2524                 if( p_stream->i_stream_type == 0x10 )
2525                 {
2526                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2527                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2528                 }
2529                 else if( p_stream->i_stream_type == 0x1b )
2530                 {
2531                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2532                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2533                 }
2534                 else if( p_stream->i_stream_type == 0x11 ||
2535                          p_stream->i_stream_type == 0x0f )
2536                 {
2537                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2538                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2539                 }
2540                 else if( p_stream->i_stream_type == 0x12 &&
2541                          p_stream->i_codec == VLC_CODEC_SUBT )
2542                 {
2543                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2544                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2545                 }
2546                 else
2547                 {
2548                     bits_write( &bits, 8, 0x00 );
2549                     bits_write( &bits, 6, 0x00 );
2550
2551                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2552                              "broken IOD" );
2553                 }
2554                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2555                 bits_write( &bits, 1,   0x01 );         /* reserved */
2556                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2557                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2558                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2559
2560                 if( p_stream->i_decoder_specific_info > 0 )
2561                 {
2562                     int i;
2563                     /* DecoderSpecificInfo */
2564                     bits_align( &bits );
2565                     bits_write( &bits, 8,   0x05 ); /* tag */
2566                     bits_write( &bits, 24, GetDescriptorLength24b(
2567                                 p_stream->i_decoder_specific_info ) );
2568                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2569                     {
2570                         bits_write( &bits, 8,
2571                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2572                     }
2573                 }
2574                 /* fix Decoder length */
2575                 bits_write( &bits_fix_Decoder, 24,
2576                             GetDescriptorLength24b( bits.i_data -
2577                             bits_fix_Decoder.i_data - 3 ) );
2578
2579                 /* SLConfigDescriptor : predefined (0x01) */
2580                 bits_align( &bits );
2581                 bits_write( &bits, 8,   0x06 ); /* tag */
2582                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2583                 bits_write( &bits, 8,   0x01 );/* predefined */
2584                 bits_write( &bits, 1,   0 );   /* durationFlag */
2585                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2586                 bits_write( &bits, 8,   0 );   /* OCRLength */
2587                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2588                 bits_align( &bits );
2589
2590                 /* fix ESDescr length */
2591                 bits_write( &bits_fix_ESDescr, 24,
2592                             GetDescriptorLength24b( bits.i_data -
2593                             bits_fix_ESDescr.i_data - 3 ) );
2594             }
2595         }
2596         bits_align( &bits );
2597         /* fix IOD length */
2598         bits_write( &bits_fix_IOD, 24,
2599                     GetDescriptorLength24b( bits.i_data -
2600                                             bits_fix_IOD.i_data - 3 ) );
2601
2602 #if 0 /* FIXME!!! This can't possibly work */
2603         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2604         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2605                             sizeof(pmt_map_t), intcompare );
2606         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2607                             sizeof(pmt_map_t), pmtcompare );
2608         if( p_usepid != NULL )
2609             dvbpsi_PMTAddDescriptor(
2610                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2611                     bits.i_data, bits.p_data );
2612         else
2613             msg_Err( p_mux, "Received an unmapped PID" );
2614 #else
2615         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2616                                  bits.p_data );
2617 #endif
2618     }
2619
2620     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2621     {
2622         ts_stream_t *p_stream;
2623
2624         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2625
2626         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2627         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2628                             sizeof(pmt_map_t), intcompare );
2629
2630         if( p_usepid != NULL )
2631             p_es = dvbpsi_PMTAddES(
2632                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2633                     p_stream->i_stream_type, p_stream->i_pid );
2634         else
2635             /* If there's an error somewhere, dump it to the first pmt */
2636             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2637                                     p_stream->i_pid );
2638
2639         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2640         {
2641             uint8_t     es_id[2];
2642
2643             /* SL descriptor */
2644             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2645             es_id[1] = (p_stream->i_es_id)&0xff;
2646             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2647         }
2648         else if( p_stream->i_stream_type == 0xa0 )
2649         {
2650             uint8_t data[512];
2651             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2652
2653             /* private DIV3 descripor */
2654             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2655             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2656             data[5] = ( p_stream->i_bih_width      )&0xff;
2657             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2658             data[7] = ( p_stream->i_bih_height     )&0xff;
2659             data[8] = ( i_extra >> 8 )&0xff;
2660             data[9] = ( i_extra      )&0xff;
2661             if( i_extra > 0 )
2662             {
2663                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2664             }
2665
2666             /* 0xa0 is private */
2667             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2668         }
2669         else if( p_stream->i_stream_type == 0x81 )
2670         {
2671             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2672
2673             /* "registration" descriptor : "AC-3" */
2674             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2675         }
2676         else if( p_stream->i_codec == VLC_CODEC_DIRAC )
2677         {
2678             /* Dirac registration descriptor */
2679
2680             uint8_t data[4] = { 'd', 'r', 'a', 'c' };
2681             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2682         }
2683         else if( p_stream->i_codec == VLC_CODEC_DTS )
2684         {
2685             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2686
2687             /* DTS format identifier, frame size 1024 - FIXME */
2688             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2689             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2690         }
2691         else if( p_stream->i_codec == VLC_CODEC_EAC3 )
2692         {
2693             uint8_t data[1] = { 0x00 };
2694             dvbpsi_PMTESAddDescriptor( p_es, 0x7a, 1, data );
2695         }
2696         else if( p_stream->i_codec == VLC_CODEC_TELETEXT )
2697         {
2698             if( p_stream->i_decoder_specific_info )
2699             {
2700                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2701                                            p_stream->i_decoder_specific_info,
2702                                            p_stream->p_decoder_specific_info );
2703             }
2704             continue;
2705         }
2706         else if( p_stream->i_codec == VLC_CODEC_DVBS )
2707         {
2708             /* DVB subtitles */
2709             if( p_stream->i_decoder_specific_info )
2710             {
2711                 /* pass-through from the TS demux */
2712                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2713                                            p_stream->i_decoder_specific_info,
2714                                            p_stream->p_decoder_specific_info );
2715             }
2716 #ifdef _DVBPSI_DR_59_H_
2717             else
2718             {
2719                 /* from the dvbsub transcoder */
2720                 dvbpsi_subtitling_dr_t descr;
2721                 dvbpsi_subtitle_t sub;
2722                 dvbpsi_descriptor_t *p_descr;
2723
2724                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2725                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2726                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2727                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2728
2729                 descr.i_subtitles_number = 1;
2730                 descr.p_subtitle[0] = sub;
2731
2732                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2733                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2734                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2735                                            p_descr->i_length, p_descr->p_data );
2736             }
2737 #endif /* _DVBPSI_DR_59_H_ */
2738             continue;
2739         }
2740
2741         if( p_stream->lang[0] != 0 )
2742         {
2743             uint8_t data[4*p_stream->i_langs];
2744
2745             /* I construct the content myself, way faster than looking at
2746              * over complicated/mind broken libdvbpsi way */
2747             for(i = 0; i < p_stream->i_langs; i++ )
2748             {
2749                 data[i*4+0] = p_stream->lang[i*3+0];
2750                 data[i*4+1] = p_stream->lang[i*3+1];
2751                 data[i*4+2] = p_stream->lang[i*3+2];
2752                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2753             }
2754             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2755         }
2756     }
2757
2758     for( i = 0; i < p_sys->i_num_pmt; i++ )
2759     {
2760         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2761         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2762         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2763         dvbpsi_DeletePSISections( p_section[i] );
2764         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2765     }
2766
2767 #ifdef HAVE_DVBPSI_SDT
2768     if( p_sys->b_sdt )
2769     {
2770         p_section2 = dvbpsi_GenSDTSections( &sdt );
2771         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2772         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2773         dvbpsi_DeletePSISections( p_section2 );
2774         dvbpsi_EmptySDT( &sdt );
2775     }
2776 #endif
2777 }