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", 0, 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     var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
 533     p_sys->b_es_id_pid = val.b_bool;
 534
 535     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 536     /*
 537        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 538        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 539     */
 540     if( val.psz_string != NULL && *val.psz_string )
 541     {
 542         char *psz_next;
 543         char *psz = val.psz_string;
 544         uint16_t i_pid;
 545         psz_next = psz;
 546
 547         while( psz != NULL )
 548         {
 549             i_pid = strtoul( psz, &psz_next, 0 );
 550
 551             if ( strlen(psz_next) > 0 )
 552                 psz = &psz_next[1];
 553             if ( i_pid == 0 )
 554             {
 555                 p_sys->i_num_pmt++;
 556                 if ( p_sys->i_num_pmt > MAX_PMT )
 557                 {
 558                     msg_Err( p_mux,
 559              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 560                     p_sys->i_num_pmt = MAX_PMT;
 561                 }
 562             }
 563             else
 564             {
 565                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 566                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 567                 p_sys->i_pmtslots++;
 568                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 569                 {
 570                     msg_Err( p_mux,
 571              "Number of pids in PMT greater than compiled maximum (%d)",
 572                              MAX_PMT_PID );
 573                     p_sys->i_pmtslots = MAX_PMT_PID;
 574                 }
 575             }
 576
 577             /* Now sort according to pids for fast search later on */
 578             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 579                    sizeof(pmt_map_t), &pmtcompare );
 580             if ( !*psz_next )
 581                 psz = NULL;
 582         }
 583     }
 584     free( val.psz_string );
 585
 586     p_sys->i_pat_version_number = rand() % 32;
 587     p_sys->pat.i_pid = 0;
 588     p_sys->pat.i_continuity_counter = 0;
 589     p_sys->pat.b_discontinuity = false;
 590
 591     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 592     if ( val.i_int )
 593         p_sys->i_tsid = val.i_int;
 594     else
 595         p_sys->i_tsid = rand() % 65536;
 596
 597     p_sys->i_netid = rand() % 65536;
 598 #ifdef HAVE_DVBPSI_SDT
 599     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 600     if ( val.i_int )
 601         p_sys->i_netid = val.i_int;
 602 #endif
 603
 604     p_sys->i_pmt_version_number = rand() % 32;
 605     for( i = 0; i < p_sys->i_num_pmt; i++ )
 606     {
 607         p_sys->pmt[i].i_continuity_counter = 0;
 608         p_sys->pmt[i].b_discontinuity = false;
 609     }
 610
 611     p_sys->sdt.i_pid = 0x11;
 612     p_sys->sdt.i_continuity_counter = 0;
 613     p_sys->sdt.b_discontinuity = false;
 614
 615 #ifdef HAVE_DVBPSI_SDT
 616     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 617     p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
 618
 619     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 620     if( p_sys->b_sdt )
 621     {
 622
 623         char *psz = val.psz_string;
 624         char *psz_sdttoken = psz;
 625
 626         i = 0;
 627         while ( psz_sdttoken != NULL )
 628         {
 629             char *psz_end = strchr( psz_sdttoken, ',' );
 630             if( psz_end != NULL )
 631             {
 632                 *psz_end++ = '\0';
 633             }
 634             if ( !(i % 2) )
 635             {
 636                 p_sys->sdt_descriptors[i/2].psz_provider
 637                     = strdup(psz_sdttoken);
 638             }
 639             else
 640             {
 641                 p_sys->sdt_descriptors[i/2].psz_service_name
 642                     = strdup(psz_sdttoken);
 643             }
 644
 645             i++;
 646             psz_sdttoken = psz_end;
 647         }
 648     }
 649     free( val.psz_string );
 650 #else
 651     p_sys->b_sdt = false;
 652 #endif
 653
 654     var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
 655     p_sys->b_data_alignment = val.b_bool;
 656
 657     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 658     if( val.psz_string && *val.psz_string )
 659     {
 660         char *psz_next;
 661         char *psz = val.psz_string;
 662         uint16_t i_pid;
 663
 664         psz_next = psz;
 665         i = 0;
 666         while ( psz != NULL )
 667         {
 668             i_pid = strtoul( psz, &psz_next, 0 );
 669             if( strlen(psz_next) > 0 )
 670                 psz = &psz_next[1];
 671             else
 672                 psz = NULL;
 673
 674             if( i_pid == 0 )
 675             {
 676                 if( i > MAX_PMT )
 677                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 678                              MAX_PMT );
 679             }
 680             else
 681             {
 682                 p_sys->i_pmt_program_number[i] = i_pid;
 683                 i++;
 684             }
 685         }
 686     }
 687     else
 688     {
 689         /* Option not specified, use 1, 2, 3... */
 690         for( i = 0; i < p_sys->i_num_pmt; i++ )
 691             p_sys->i_pmt_program_number[i] = i + 1;
 692     }
 693     free( val.psz_string );
 694
 695     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 696     if( val.i_int )
 697     {
 698         for( i = 0; i < p_sys->i_num_pmt; i++ )
 699             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 700     }
 701     else
 702     {
 703         for( i = 0; i < p_sys->i_num_pmt; i++ )
 704             p_sys->pmt[i].i_pid = 0x42 + i;
 705     }
 706
 707     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 708
 709     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 710     p_sys->i_pid_video = val.i_int;
 711     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 712     {
 713         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 714     }
 715
 716     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 717     p_sys->i_pid_audio = val.i_int;
 718     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 719     {
 720         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 721     }
 722
 723     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 724     p_sys->i_pid_spu = val.i_int;
 725     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 726     {
 727         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 728     }
 729
 730     p_sys->i_pcr_pid = 0x1fff;
 731     p_sys->p_pcr_input = NULL;
 732
 733     p_sys->i_mpeg4_streams = 0;
 734
 735     p_sys->i_null_continuity_counter = 0;
 736
 737     /* Allow to create constrained stream */
 738     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 739     p_sys->i_bitrate_min = val.i_int;
 740
 741     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 742     p_sys->i_bitrate_max = val.i_int;
 743
 744     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 745         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 746     {
 747         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 748                  "disabling bitrate control" );
 749         p_sys->i_bitrate_min = 0;
 750         p_sys->i_bitrate_max = 0;
 751     }
 752     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 753     {
 754         msg_Err( p_mux, "bmin and bmax no more supported "
 755                  "(if you need them report it)" );
 756     }
 757
 758     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 759     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 760     if( p_sys->i_shaping_delay <= 0 )
 761     {
 762         msg_Err( p_mux,
 763                  "invalid shaping (%"PRId64"ms) resetting to 200ms",
 764                  p_sys->i_shaping_delay / 1000 );
 765         p_sys->i_shaping_delay = 200000;
 766     }
 767
 768     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 769     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 770     if( p_sys->i_pcr_delay <= 0 ||
 771         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 772     {
 773         msg_Err( p_mux,
 774                  "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
 775                  p_sys->i_pcr_delay / 1000 );
 776         p_sys->i_pcr_delay = 70000;
 777     }
 778
 779     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 780     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 781
 782     msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
 783              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 784
 785     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 786     p_sys->b_use_key_frames = val.b_bool;
 787
 788     /* for TS generation */
 789     p_sys->i_pcr    = 0;
 790
 791     p_sys->csa      = NULL;
 792     var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 793     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 794     if( val.psz_string && *val.psz_string )
 795     {
 796         int i_res;
 797         vlc_value_t csa2;
 798
 799         p_sys->csa = csa_New();
 800
 801         var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 802         var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
 803         i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
 804         if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
 805         {
 806             if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
 807             {
 808                 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 809             }
 810         }
 811         else if( i_res == VLC_SUCCESS )
 812         {
 813             csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 814         }
 815         else
 816         {
 817             csa_Delete( p_sys->csa );
 818             p_sys->csa = NULL;
 819         }
 820
 821         if( p_sys->csa )
 822         {
 823             vlc_value_t use_val, pkt_val;
 824
 825             var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 826             var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
 827             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 828             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
 829             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 830
 831             if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
 832             {
 833                 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
 834             }
 835             free( use_val.psz_string );
 836
 837             var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 838             if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 839             {
 840                 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 841                 msg_Warn( p_mux, "using default packet size of 188 bytes" );
 842                 p_sys->i_csa_pkt_size = 188;
 843             }
 844             else p_sys->i_csa_pkt_size = pkt_val.i_int;
 845             msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 846         }
 847         free( csa2.psz_string );
 848     }
 849     free( val.psz_string );
 850
 851     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 852     p_sys->b_crypt_audio = val.b_bool;
 853
 854     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
 855     p_sys->b_crypt_video = val.b_bool;
 856
 857     return VLC_SUCCESS;
 858 }
 859
 860 /*****************************************************************************
 861  * Close:
 862  *****************************************************************************/
 863 static void Close( vlc_object_t * p_this )
 864 {
 865     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 866     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 867     int i;
 868
 869     vlc_mutex_lock( &p_sys->csa_lock );
 870     if( p_sys->csa )
 871     {
 872         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
 873         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 874         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 875         csa_Delete( p_sys->csa );
 876         p_sys->csa = NULL;
 877     }
 878     vlc_mutex_unlock( &p_sys->csa_lock );
 879
 880     for( i = 0; i < MAX_PMT; i++ )
 881     {
 882         free( p_sys->sdt_descriptors[i].psz_service_name );
 883         free( p_sys->sdt_descriptors[i].psz_provider );
 884     }
 885
 886     vlc_mutex_destroy( &p_sys->csa_lock );
 887     free( p_sys->dvbpmt );
 888     free( p_sys );
 889 }
 890
 891 /*****************************************************************************
 892  * ChangeKeyCallback: called when changing the odd encryption key on the fly.
 893  *****************************************************************************/
 894 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 895                            vlc_value_t oldval, vlc_value_t newval,
 896                            void *p_data )
 897 {
 898     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 899     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 900     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 901     int ret;
 902
 903     vlc_mutex_lock( &p_sys->csa_lock );
 904     ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
 905                      !!(intptr_t)p_data );
 906     vlc_mutex_unlock( &p_sys->csa_lock );
 907
 908     return ret;
 909 }
 910
 911 /*****************************************************************************
 912  * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
 913  *****************************************************************************/
 914 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 915                            vlc_value_t oldval, vlc_value_t newval,
 916                            void *p_data )
 917 {
 918     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
 919     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 920     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 921     int             i_res = VLC_EBADVAR;
 922
 923     vlc_mutex_lock( &p_sys->csa_lock );
 924     if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
 925     {
 926         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
 927     }
 928     else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
 929     {
 930         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
 931     }
 932     vlc_mutex_unlock( &p_sys->csa_lock );
 933
 934     return i_res;
 935 }
 936
 937 /*****************************************************************************
 938  * Control:
 939  *****************************************************************************/
 940 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 941 {
 942     VLC_UNUSED(p_mux);
 943     bool *pb_bool;
 944     char **ppsz;
 945
 946     switch( i_query )
 947     {
 948         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 949             pb_bool = (bool*)va_arg( args, bool * );
 950             *pb_bool = true;
 951             return VLC_SUCCESS;
 952
 953         case MUX_GET_ADD_STREAM_WAIT:
 954             pb_bool = (bool*)va_arg( args, bool * );
 955             *pb_bool = false;
 956             return VLC_SUCCESS;
 957
 958         case MUX_GET_MIME:
 959             ppsz = (char**)va_arg( args, char ** );
 960             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 961             return VLC_SUCCESS;
 962
 963         default:
 964             return VLC_EGENERIC;
 965     }
 966 }
 967
 968 /*****************************************************************************
 969  * AddStream: called for each stream addition
 970  *****************************************************************************/
 971 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 972 {
 973     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 974     ts_stream_t         *p_stream;
 975     int                  i;
 976
 977     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 978     if( !p_input->p_sys )
 979         return VLC_ENOMEM;
 980
 981     /* Init this new stream */
 982     if ( p_sys->b_es_id_pid )
 983         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 984     else
 985         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 986     p_stream->i_codec = p_input->p_fmt->i_codec;
 987     p_stream->i_continuity_counter    = 0;
 988     p_stream->b_discontinuity         = false;
 989     p_stream->i_decoder_specific_info = 0;
 990     p_stream->p_decoder_specific_info = NULL;
 991
 992     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 993              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 994
 995     /* All others fields depand on codec */
 996     switch( p_input->p_fmt->i_cat )
 997     {
 998         case VIDEO_ES:
 999             switch( p_input->p_fmt->i_codec )
1000             {
1001                 case VLC_CODEC_MPGV:
1002                     /* TODO: do we need to check MPEG-I/II ? */
1003                     p_stream->i_stream_type = 0x02;
1004                     p_stream->i_stream_id = 0xe0;
1005                     break;
1006                 case VLC_CODEC_MP4V:
1007                     p_stream->i_stream_type = 0x10;
1008                     p_stream->i_stream_id = 0xe0;
1009                     p_stream->i_es_id = p_stream->i_pid;
1010                     break;
1011                 case VLC_CODEC_H264:
1012                     p_stream->i_stream_type = 0x1b;
1013                     p_stream->i_stream_id = 0xe0;
1014                     break;
1015                 /* XXX dirty dirty but somebody want that:
1016                  *     using crapy MS-codec XXX */
1017                 /* I didn't want to do that :P */
1018                 case VLC_CODEC_H263I:
1019                 case VLC_CODEC_H263:
1020                 case VLC_CODEC_WMV3:
1021                 case VLC_CODEC_WMV2:
1022                 case VLC_CODEC_WMV1:
1023                 case VLC_CODEC_DIV3:
1024                 case VLC_CODEC_DIV2:
1025                 case VLC_CODEC_DIV1:
1026                 case VLC_CODEC_MJPG:
1027                     p_stream->i_stream_type = 0xa0; /* private */
1028                     p_stream->i_stream_id = 0xa0;   /* beurk */
1029                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
1030                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
1031                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1032                     break;
1033                 case VLC_CODEC_DIRAC:
1034                     /* stream_id makes use of stream_id_extension */
1035                     p_stream->i_stream_id = (PES_EXTENDED_STREAM_ID << 8) | 0x60;
1036                     p_stream->i_stream_type = 0xd1;
1037                     break;
1038                 default:
1039                     free( p_stream );
1040                     return VLC_EGENERIC;
1041             }
1042             p_sys->i_video_bound++;
1043             break;
1044
1045         case AUDIO_ES:
1046             switch( p_input->p_fmt->i_codec )
1047             {
1048                 case VLC_CODEC_MPGA:
1049                     p_stream->i_stream_type =
1050                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1051                     p_stream->i_stream_id = 0xc0;
1052                     break;
1053                 case VLC_CODEC_A52:
1054                     p_stream->i_stream_type = 0x81;
1055                     p_stream->i_stream_id = 0xbd;
1056                     break;
1057                 case VLC_CODEC_DVD_LPCM:
1058                     p_stream->i_stream_type = 0x83;
1059                     p_stream->i_stream_id = 0xbd;
1060                     break;
1061                 case VLC_CODEC_DTS:
1062                     p_stream->i_stream_type = 0x06;
1063                     p_stream->i_stream_id = 0xbd;
1064                     break;
1065                 case VLC_CODEC_MP4A:
1066                     /* XXX: make that configurable in some way when LOAS
1067                      * is implemented for AAC in TS */
1068                     //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1069                     p_stream->i_stream_type = 0x0f; /* ADTS */
1070                     p_stream->i_stream_id = 0xc0;
1071                     p_sys->i_mpeg4_streams++;
1072                     p_stream->i_es_id = p_stream->i_pid;
1073                     break;
1074                 default:
1075                     free( p_stream );
1076                     return VLC_EGENERIC;
1077             }
1078             p_sys->i_audio_bound++;
1079             break;
1080
1081         case SPU_ES:
1082             switch( p_input->p_fmt->i_codec )
1083             {
1084                 case VLC_CODEC_SPU:
1085                     p_stream->i_stream_type = 0x82;
1086                     p_stream->i_stream_id = 0xbd;
1087                     break;
1088                 case VLC_CODEC_SUBT:
1089                     p_stream->i_stream_type = 0x12;
1090                     p_stream->i_stream_id = 0xfa;
1091                     p_sys->i_mpeg4_streams++;
1092                     p_stream->i_es_id = p_stream->i_pid;
1093                     break;
1094                 case VLC_CODEC_DVBS:
1095                     p_stream->i_stream_type = 0x06;
1096                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1097                     p_stream->i_stream_id = 0xbd;
1098                     break;
1099                 case VLC_CODEC_TELETEXT:
1100                     p_stream->i_stream_type = 0x06;
1101                     p_stream->i_stream_id = 0xbd; /* FIXME */
1102                     break;
1103                 default:
1104                     free( p_stream );
1105                     return VLC_EGENERIC;
1106             }
1107             break;
1108
1109         default:
1110             free( p_stream );
1111             return VLC_EGENERIC;
1112     }
1113
1114     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1115     p_stream->lang = malloc(p_stream->i_langs*3);
1116     if( !p_stream->lang )
1117     {
1118         p_stream->i_langs = 0;
1119         free( p_stream );
1120         return VLC_ENOMEM;
1121     }
1122     i = 1;
1123     p_stream->lang[0] =
1124     p_stream->lang[1] =
1125     p_stream->lang[2] = '\0';
1126     if( p_input->p_fmt->psz_language )
1127     {
1128         char *psz = p_input->p_fmt->psz_language;
1129         const iso639_lang_t *pl = NULL;
1130
1131         if( strlen( psz ) == 2 )
1132         {
1133             pl = GetLang_1( psz );
1134         }
1135         else if( strlen( psz ) == 3 )
1136         {
1137             pl = GetLang_2B( psz );
1138             if( !strcmp( pl->psz_iso639_1, "??" ) )
1139             {
1140                 pl = GetLang_2T( psz );
1141             }
1142         }
1143         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1144         {
1145             p_stream->lang[0] = pl->psz_iso639_2T[0];
1146             p_stream->lang[1] = pl->psz_iso639_2T[1];
1147             p_stream->lang[2] = pl->psz_iso639_2T[2];
1148
1149             msg_Dbg( p_mux, "    - lang=%c%c%c",
1150                      p_stream->lang[0], p_stream->lang[1],
1151                      p_stream->lang[2] );
1152         }
1153     }
1154     while( i < p_stream->i_langs ) {
1155         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1156         {
1157             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1158             const iso639_lang_t *pl = NULL;
1159
1160             if( strlen( psz ) == 2 )
1161             {
1162                 pl = GetLang_1( psz );
1163             }
1164             else if( strlen( psz ) == 3 )
1165             {
1166                 pl = GetLang_2B( psz );
1167                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1168                 {
1169                     pl = GetLang_2T( psz );
1170                 }
1171             }
1172             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1173             {
1174                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1175                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1176                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1177
1178                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1179                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1180                          p_stream->lang[i*3+2] );
1181             }
1182         }
1183         i++;
1184     }
1185
1186     /* Create decoder specific info for subt */
1187     if( p_stream->i_codec == VLC_CODEC_SUBT )
1188     {
1189         uint8_t *p;
1190
1191         p_stream->i_decoder_specific_info = 55;
1192         p_stream->p_decoder_specific_info = p =
1193             malloc( p_stream->i_decoder_specific_info );
1194         if( p )
1195         {
1196             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1197             p[1] = 0x00;    /* flags: 1b: associated video info flag
1198                                     3b: reserved
1199                                     1b: duration flag
1200                                     3b: reserved */
1201             p[2] = 52;      /* remaining size */
1202
1203             p += 3;
1204
1205             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1206             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1207             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1208
1209             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1210             *p++ = 0xff;                    /* background a */
1211
1212             p[0] = p[1] = 0; p += 2;        /* text box top */
1213             p[0] = p[1] = 0; p += 2;        /* text box left */
1214             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1215             p[0] = p[1] = 0; p += 2;        /* text box right */
1216
1217             p[0] = p[1] = 0; p += 2;        /* start char */
1218             p[0] = p[1] = 0; p += 2;        /* end char */
1219             p[0] = p[1] = 0; p += 2;        /* default font id */
1220
1221             *p++ = 0;                       /* font style flags */
1222             *p++ = 12;                      /* font size */
1223
1224             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1225             *p++ = 0x00;                    /* foreground a */
1226
1227             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1228             memcpy( p, "ftab", 4 ); p += 4;
1229             *p++ = 0; *p++ = 1;             /* entry count */
1230             p[0] = p[1] = 0; p += 2;        /* font id */
1231             *p++ = 9;                       /* font name length */
1232             memcpy( p, "Helvetica", 9 );    /* font name */
1233         }
1234         else p_stream->i_decoder_specific_info = 0;
1235     }
1236     else
1237     {
1238         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1239         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1240         if( p_stream->i_decoder_specific_info > 0 )
1241         {
1242             p_stream->p_decoder_specific_info =
1243                 malloc( p_stream->i_decoder_specific_info );
1244             if( p_stream->p_decoder_specific_info )
1245             {
1246                 memcpy( p_stream->p_decoder_specific_info,
1247                         p_input->p_fmt->p_extra,
1248                         p_input->p_fmt->i_extra );
1249             }
1250             else p_stream->i_decoder_specific_info = 0;
1251         }
1252     }
1253
1254     /* Init pes chain */
1255     BufferChainInit( &p_stream->chain_pes );
1256     p_stream->i_pes_dts    = 0;
1257     p_stream->i_pes_length = 0;
1258     p_stream->i_pes_used   = 0;
1259     p_stream->b_key_frame  = 0;
1260
1261     /* We only change PMT version (PAT isn't changed) */
1262     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1263
1264     /* Update pcr_pid */
1265     if( p_input->p_fmt->i_cat != SPU_ES &&
1266         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1267     {
1268         if( p_sys->p_pcr_input )
1269         {
1270             /* There was already a PCR stream, so clean context */
1271             /* FIXME */
1272         }
1273         p_sys->i_pcr_pid   = p_stream->i_pid;
1274         p_sys->p_pcr_input = p_input;
1275
1276         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1277     }
1278
1279     return VLC_SUCCESS;
1280 }
1281
1282 /*****************************************************************************
1283  * DelStream: called before a stream deletion
1284  *****************************************************************************/
1285 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1286 {
1287     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1288     ts_stream_t     *p_stream;
1289     vlc_value_t     val;
1290
1291     p_stream = (ts_stream_t*)p_input->p_sys;
1292     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1293
1294     if( p_sys->i_pcr_pid == p_stream->i_pid )
1295     {
1296         int i;
1297
1298         /* Find a new pcr stream (Prefer Video Stream) */
1299         p_sys->i_pcr_pid = 0x1fff;
1300         p_sys->p_pcr_input = NULL;
1301         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1302         {
1303             if( p_mux->pp_inputs[i] == p_input )
1304             {
1305                 continue;
1306             }
1307
1308             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1309             {
1310                 p_sys->i_pcr_pid  =
1311                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1312                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1313                 break;
1314             }
1315             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1316                      p_sys->i_pcr_pid == 0x1fff )
1317             {
1318                 p_sys->i_pcr_pid  =
1319                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1320                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1321             }
1322         }
1323         if( p_sys->p_pcr_input )
1324         {
1325             /* Empty TS buffer */
1326             /* FIXME */
1327         }
1328         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1329     }
1330
1331     /* Empty all data in chain_pes */
1332     BufferChainClean( &p_stream->chain_pes );
1333
1334     free(p_stream->lang);
1335     free( p_stream->p_decoder_specific_info );
1336     if( p_stream->i_stream_id == 0xfa ||
1337         p_stream->i_stream_id == 0xfb ||
1338         p_stream->i_stream_id == 0xfe )
1339     {
1340         p_sys->i_mpeg4_streams--;
1341     }
1342
1343     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1344     if( val.i_int > 0 )
1345     {
1346         int i_pid_video = val.i_int;
1347         if ( i_pid_video == p_stream->i_pid )
1348         {
1349             p_sys->i_pid_video = i_pid_video;
1350             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1351         }
1352     }
1353     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1354     if( val.i_int > 0 )
1355     {
1356         int i_pid_audio = val.i_int;
1357         if ( i_pid_audio == p_stream->i_pid )
1358         {
1359             p_sys->i_pid_audio = i_pid_audio;
1360             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1361         }
1362     }
1363     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1364     if( val.i_int > 0 )
1365     {
1366         int i_pid_spu = val.i_int;
1367         if ( i_pid_spu == p_stream->i_pid )
1368         {
1369             p_sys->i_pid_spu = i_pid_spu;
1370             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1371         }
1372     }
1373     free( p_stream );
1374
1375     /* We only change PMT version (PAT isn't changed) */
1376     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1377
1378     return VLC_SUCCESS;
1379 }
1380
1381 /*****************************************************************************
1382  * Mux: Call each time there is new data for at least one stream
1383  *****************************************************************************
1384  *
1385  *****************************************************************************/
1386 static int Mux( sout_mux_t *p_mux )
1387 {
1388     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1389     ts_stream_t     *p_pcr_stream;
1390
1391     if( p_sys->i_pcr_pid == 0x1fff )
1392     {
1393         int i;
1394         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1395         {
1396             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1397         }
1398         msg_Dbg( p_mux, "waiting for PCR streams" );
1399         msleep( 1000 );
1400         return VLC_SUCCESS;
1401     }
1402     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1403
1404     for( ;; )
1405     {
1406         sout_buffer_chain_t chain_ts;
1407         int                 i_packet_count;
1408         int                 i_packet_pos;
1409         mtime_t             i_pcr_dts;
1410         mtime_t             i_pcr_length;
1411         mtime_t             i_shaping_delay;
1412         int i;
1413
1414         if( p_pcr_stream->b_key_frame )
1415         {
1416             i_shaping_delay = p_pcr_stream->i_pes_length;
1417         }
1418         else
1419         {
1420             i_shaping_delay = p_sys->i_shaping_delay;
1421         }
1422
1423         /* 1: get enough PES packet for all input */
1424         for( ;; )
1425         {
1426             bool b_ok = true;
1427             block_t *p_data;
1428
1429             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1430             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1431             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1432             {
1433                 sout_input_t *p_input;
1434                 ts_stream_t *p_stream;
1435                 int64_t i_spu_delay = 0;
1436
1437                 if( i == -1 )
1438                     p_input = p_sys->p_pcr_input;
1439                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1440                     continue;
1441                 else
1442                     p_input = p_mux->pp_inputs[i];
1443                 p_stream = (ts_stream_t*)p_input->p_sys;
1444
1445                 if( ( ( p_stream == p_pcr_stream ) &&
1446                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1447                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1448                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1449                 {
1450                     /* Need more data */
1451                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1452                     {
1453                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1454                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1455                         {
1456                             /* We need more data */
1457                             return VLC_SUCCESS;
1458                         }
1459                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1460                         {
1461                             /* spu, only one packet is needed */
1462                             continue;
1463                         }
1464                         else if( p_input->p_fmt->i_cat == SPU_ES )
1465                         {
1466                             /* Don't mux the SPU yet if it is too early */
1467                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1468
1469                             i_spu_delay =
1470                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1471
1472                             if( ( i_spu_delay > i_shaping_delay ) &&
1473                                 ( i_spu_delay < INT64_C(100000000) ) )
1474                                 continue;
1475
1476                             if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1477                                  ( i_spu_delay < INT64_C(10000) ) )
1478                             {
1479                                 BufferChainClean( &p_stream->chain_pes );
1480                                 p_stream->i_pes_dts = 0;
1481                                 p_stream->i_pes_used = 0;
1482                                 p_stream->i_pes_length = 0;
1483                                 continue;
1484                             }
1485                         }
1486                     }
1487                     b_ok = false;
1488
1489                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1490                          || p_input->p_fmt->i_codec !=
1491                              VLC_CODEC_MPGA )
1492                     {
1493                         p_data = block_FifoGet( p_input->p_fifo );
1494
1495                         if( p_input->p_fmt->i_codec ==
1496                                 VLC_CODEC_MP4A )
1497                             p_data = Add_ADTS( p_data, p_input->p_fmt );
1498                     }
1499                     else
1500                         p_data = FixPES( p_mux, p_input->p_fifo );
1501
1502                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1503                         p_input->p_fmt->i_cat != SPU_ES )
1504                     {
1505                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1506                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1507                     }
1508                     else if( p_input->p_fmt->i_codec !=
1509                                VLC_CODEC_SUBT )
1510                         p_data->i_length = 1000;
1511
1512                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1513                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1514                           p_pcr_stream->i_pes_length ) ||
1515                         p_data->i_dts < p_stream->i_pes_dts ||
1516                         ( p_stream->i_pes_dts > 0 &&
1517                           p_input->p_fmt->i_cat != SPU_ES &&
1518                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1519                           p_stream->i_pes_length ) )
1520                     {
1521                         msg_Warn( p_mux, "packet with too strange dts "
1522                                   "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1523                                   p_data->i_dts, p_stream->i_pes_dts,
1524                                   p_pcr_stream->i_pes_dts );
1525                         block_Release( p_data );
1526
1527                         BufferChainClean( &p_stream->chain_pes );
1528                         p_stream->i_pes_dts = 0;
1529                         p_stream->i_pes_used = 0;
1530                         p_stream->i_pes_length = 0;
1531
1532                         if( p_input->p_fmt->i_cat != SPU_ES )
1533                         {
1534                             BufferChainClean( &p_pcr_stream->chain_pes );
1535                             p_pcr_stream->i_pes_dts = 0;
1536                             p_pcr_stream->i_pes_used = 0;
1537                             p_pcr_stream->i_pes_length = 0;
1538                         }
1539                     }
1540                     else
1541                     {
1542                         int i_header_size = 0;
1543                         int i_max_pes_size = 0;
1544                         int b_data_alignment = 0;
1545                         if( p_input->p_fmt->i_cat == SPU_ES )
1546                         {
1547                             if( p_input->p_fmt->i_codec ==
1548                                 VLC_CODEC_SUBT )
1549                             {
1550                                 /* Prepend header */
1551                                 p_data = block_Realloc( p_data, 2,
1552                                                         p_data->i_buffer );
1553                                 p_data->p_buffer[0] =
1554                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1555                                 p_data->p_buffer[1] =
1556                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1557
1558                                 /* remove trailling \0 if any */
1559                                 if( p_data->i_buffer > 2 &&
1560                                     p_data->p_buffer[p_data->i_buffer -1] ==
1561                                     '\0' )
1562                                     p_data->i_buffer--;
1563
1564                                 /* Append a empty sub (sub text only) */
1565                                 if( p_data->i_length > 0 &&
1566                                     !( p_data->i_buffer == 1 &&
1567                                        *p_data->p_buffer == ' ' ) )
1568                                 {
1569                                     block_t *p_spu = block_New( p_mux, 3 );
1570
1571                                     p_spu->i_dts = p_spu->i_pts =
1572                                         p_data->i_dts + p_data->i_length;
1573                                     p_spu->i_length = 1000;
1574
1575                                     p_spu->p_buffer[0] = 0;
1576                                     p_spu->p_buffer[1] = 1;
1577                                     p_spu->p_buffer[2] = ' ';
1578
1579                                     EStoPES( p_mux->p_sout, &p_spu, p_spu,
1580                                                  p_input->p_fmt,
1581                                                  p_stream->i_stream_id, 1,
1582                                                  0, 0, 0 );
1583                                     p_data->p_next = p_spu;
1584                                 }
1585                             }
1586                             else if( p_input->p_fmt->i_codec ==
1587                                        VLC_CODEC_TELETEXT )
1588                             {
1589                                 /* EN 300 472 */
1590                                 i_header_size = 0x24;
1591                                 b_data_alignment = 1;
1592                             }
1593                             else if( p_input->p_fmt->i_codec ==
1594                                        VLC_CODEC_DVBS )
1595                             {
1596                                 /* EN 300 743 */
1597                                 b_data_alignment = 1;
1598                             }
1599                         }
1600                         else if( p_data->i_length < 0 ||
1601                                  p_data->i_length > 2000000 )
1602                         {
1603                             /* FIXME choose a better value, but anyway we
1604                              * should never have to do that */
1605                             p_data->i_length = 1000;
1606                         }
1607
1608                         p_stream->i_pes_length += p_data->i_length;
1609                         if( p_stream->i_pes_dts == 0 )
1610                         {
1611                             p_stream->i_pes_dts = p_data->i_dts;
1612                         }
1613
1614                         /* Convert to pes */
1615                         if( p_stream->i_stream_id == 0xa0 &&
1616                             p_data->i_pts <= 0 )
1617                         {
1618                             /* XXX yes I know, it's awful, but it's needed,
1619                              * so don't remove it ... */
1620                             p_data->i_pts = p_data->i_dts;
1621                         }
1622
1623                         if( p_input->p_fmt->i_codec ==
1624                                    VLC_CODEC_DIRAC )
1625                         {
1626                             b_data_alignment = 1;
1627                             /* dirac pes packets should be unbounded in
1628                              * length, specify a suitibly large max size */
1629                             i_max_pes_size = INT_MAX;
1630                         }
1631
1632                          EStoPES ( p_mux->p_sout, &p_data, p_data,
1633                                        p_input->p_fmt, p_stream->i_stream_id,
1634                                        1, b_data_alignment, i_header_size,
1635                                        i_max_pes_size );
1636
1637                         BufferChainAppend( &p_stream->chain_pes, p_data );
1638
1639                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1640                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1641                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1642                             && (p_stream->i_pes_length > 400000) )
1643                         {
1644                             i_shaping_delay = p_stream->i_pes_length;
1645                             p_stream->b_key_frame = 1;
1646                         }
1647                     }
1648                 }
1649             }
1650
1651             if( b_ok )
1652             {
1653                 break;
1654             }
1655         }
1656
1657         /* save */
1658         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1659         i_pcr_length   = p_pcr_stream->i_pes_length;
1660         p_pcr_stream->b_key_frame = 0;
1661
1662         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1663         /* 2: calculate non accurate total size of muxed ts */
1664         i_packet_count = 0;
1665         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1666         {
1667             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1668             block_t *p_pes;
1669
1670             /* False for pcr stream but it will be enough to do PCR algo */
1671             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1672                  p_pes = p_pes->p_next )
1673             {
1674                 int i_size = p_pes->i_buffer;
1675                 if( p_pes->i_dts + p_pes->i_length >
1676                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1677                 {
1678                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1679                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1680                     if( i_frag < 0 )
1681                     {
1682                         /* Next stream */
1683                         break;
1684                     }
1685                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1686                 }
1687                 i_packet_count += ( i_size + 183 ) / 184;
1688             }
1689         }
1690         /* add overhead for PCR (not really exact) */
1691         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1692
1693         /* 3: mux PES into TS */
1694         BufferChainInit( &chain_ts );
1695         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1696         GetPAT( p_mux, &chain_ts );
1697         GetPMT( p_mux, &chain_ts );
1698         i_packet_pos = 0;
1699         i_packet_count += chain_ts.i_depth;
1700         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1701
1702         for( ;; )
1703         {
1704             int          i_stream;
1705             mtime_t      i_dts;
1706             ts_stream_t  *p_stream;
1707             sout_input_t *p_input;
1708             block_t      *p_ts;
1709             bool         b_pcr;
1710
1711             /* Select stream (lowest dts) */
1712             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1713             {
1714                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1715
1716                 if( p_stream->i_pes_dts == 0 )
1717                 {
1718                     continue;
1719                 }
1720
1721                 if( i_stream == -1 ||
1722                     p_stream->i_pes_dts < i_dts )
1723                 {
1724                     i_stream = i;
1725                     i_dts = p_stream->i_pes_dts;
1726                 }
1727             }
1728             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1729             {
1730                 break;
1731             }
1732             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1733             p_input = p_mux->pp_inputs[i_stream];
1734
1735             /* do we need to issue pcr */
1736             b_pcr = false;
1737             if( p_stream == p_pcr_stream &&
1738                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1739                 p_sys->i_pcr + p_sys->i_pcr_delay )
1740             {
1741                 b_pcr = true;
1742                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1743                     i_pcr_length / i_packet_count;
1744             }
1745
1746             /* Build the TS packet */
1747             p_ts = TSNew( p_mux, p_stream, b_pcr );
1748             if( p_sys->csa != NULL &&
1749                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1750                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1751             {
1752                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1753             }
1754             i_packet_pos++;
1755
1756             /* */
1757             BufferChainAppend( &chain_ts, p_ts );
1758         }
1759
1760         /* 4: date and send */
1761         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1762     }
1763 }
1764
1765 #define STD_PES_PAYLOAD 170
1766 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1767 {
1768     VLC_UNUSED(p_mux);
1769     block_t *p_data;
1770     size_t i_size;
1771
1772     p_data = block_FifoShow( p_fifo );
1773     i_size = p_data->i_buffer;
1774
1775     if( i_size == STD_PES_PAYLOAD )
1776     {
1777         return block_FifoGet( p_fifo );
1778     }
1779     else if( i_size > STD_PES_PAYLOAD )
1780     {
1781         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1782         vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1783         p_new->i_pts = p_data->i_pts;
1784         p_new->i_dts = p_data->i_dts;
1785         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1786                             / p_data->i_buffer;
1787         p_data->i_buffer -= STD_PES_PAYLOAD;
1788         p_data->p_buffer += STD_PES_PAYLOAD;
1789         p_data->i_pts += p_new->i_length;
1790         p_data->i_dts += p_new->i_length;
1791         p_data->i_length -= p_new->i_length;
1792         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1793         return p_new;
1794     }
1795     else
1796     {
1797         block_t *p_next;
1798         int i_copy;
1799
1800         p_data = block_FifoGet( p_fifo );
1801         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1802         p_next = block_FifoShow( p_fifo );
1803         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1804         {
1805             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1806             p_data->i_pts = p_next->i_pts;
1807             p_data->i_dts = p_next->i_dts;
1808         }
1809         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1810
1811         vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1812         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1813         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1814         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1815         p_next->i_buffer -= i_copy;
1816         p_next->p_buffer += i_copy;
1817         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1818
1819         if( !p_next->i_buffer )
1820         {
1821             p_next = block_FifoGet( p_fifo );
1822             block_Release( p_next );
1823         }
1824         return p_data;
1825     }
1826 }
1827
1828 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1829 {
1830     uint8_t *p_extra = p_fmt->p_extra;
1831
1832     if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1833         return p_data; /* no data to construct the headers */
1834
1835     int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1836     int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1837
1838     if( i_index == 0x0f && p_fmt->i_extra < 5 )
1839         return p_data; /* not enough data */
1840
1841     int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1842
1843 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1844
1845
1846     /* keep a copy in case block_Realloc() fails */
1847     block_t *p_bak_block = block_Duplicate( p_data );
1848     if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1849         return p_data; /* the frame isn't correct but that's the best we have */
1850
1851     block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1852                                             p_data->i_buffer );
1853     if( !p_new_block )
1854         return p_bak_block; /* OOM, send the (incorrect) original frame */
1855
1856     block_Release( p_bak_block ); /* we don't need the copy anymore */
1857
1858
1859     uint8_t *p_buffer = p_new_block->p_buffer;
1860
1861     /* fixed header */
1862     p_buffer[0] = 0xff;
1863     p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1864     p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1865     p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1866
1867     /* variable header (starts at last 2 bits of 4th byte) */
1868
1869     int i_fullness = 0x7ff; /* 0x7ff means VBR */
1870     /* XXX: We should check if it's CBR or VBR, but no known implementation
1871      * do that, and it's a pain to calculate this field */
1872
1873     p_buffer[4] = p_data->i_buffer >> 3;
1874     p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1875     p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1876
1877     return p_new_block;
1878 }
1879
1880 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1881                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1882 {
1883     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1884     sout_buffer_chain_t new_chain;
1885     int i_packet_count = p_chain_ts->i_depth;
1886     int i;
1887
1888     BufferChainInit( &new_chain );
1889
1890     if ( i_pcr_length <= 0 )
1891     {
1892         i_pcr_length = i_packet_count;
1893     }
1894
1895     for( i = 0; i < i_packet_count; i++ )
1896     {
1897         block_t *p_ts = BufferChainGet( p_chain_ts );
1898         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1899
1900         BufferChainAppend( &new_chain, p_ts );
1901
1902         if( p_ts->i_dts &&
1903             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1904         {
1905             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1906             mtime_t i_cut_dts = p_ts->i_dts;
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             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1912             {
1913                 p_ts = BufferChainGet( p_chain_ts );
1914                 i_max_diff = i_new_dts - p_ts->i_dts;
1915                 i_cut_dts = p_ts->i_dts;
1916                 BufferChainAppend( &new_chain, p_ts );
1917
1918                 p_ts = BufferChainPeek( p_chain_ts );
1919                 i++;
1920                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1921             }
1922             msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1923                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1924                      p_chain_ts->i_depth );
1925             if ( new_chain.i_depth )
1926                 TSDate( p_mux, &new_chain,
1927                         i_cut_dts - i_pcr_dts,
1928                         i_pcr_dts );
1929             if ( p_chain_ts->i_depth )
1930                 TSSchedule( p_mux,
1931                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1932                             i_cut_dts );
1933             return;
1934         }
1935     }
1936
1937     if ( new_chain.i_depth )
1938         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1939 }
1940
1941 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1942                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1943 {
1944     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1945     int i_packet_count = p_chain_ts->i_depth;
1946     int i;
1947
1948     if ( i_pcr_length / 1000 > 0 )
1949     {
1950         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1951                           / (uint64_t)(i_pcr_length / 1000);
1952         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1953         {
1954             msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1955                       " (%d bi/s for %d pkt in %"PRId64" us)",
1956                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1957                       i_bitrate, i_packet_count, i_pcr_length);
1958         }
1959 #if 0
1960         else
1961         {
1962             msg_Dbg( p_mux, "starting at %"PRId64
1963                      " (%d bi/s for %d packets in %"PRId64" us)",
1964                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1965                      i_bitrate, i_packet_count, i_pcr_length);
1966         }
1967 #endif
1968     }
1969     else
1970     {
1971         /* This shouldn't happen, but happens in some rare heavy load
1972          * and packet losses conditions. */
1973         i_pcr_length = i_packet_count;
1974     }
1975
1976     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1977     for( i = 0; i < i_packet_count; i++ )
1978     {
1979         block_t *p_ts = BufferChainGet( p_chain_ts );
1980         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1981
1982         p_ts->i_dts    = i_new_dts;
1983         p_ts->i_length = i_pcr_length / i_packet_count;
1984
1985         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1986         {
1987             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1988             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1989         }
1990         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1991         {
1992             vlc_mutex_lock( &p_sys->csa_lock );
1993             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1994             vlc_mutex_unlock( &p_sys->csa_lock );
1995         }
1996
1997         /* latency */
1998         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1999
2000         sout_AccessOutWrite( p_mux->p_access, p_ts );
2001     }
2002 }
2003
2004 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
2005                        bool b_pcr )
2006 {
2007     VLC_UNUSED(p_mux);
2008     block_t *p_pes = p_stream->chain_pes.p_first;
2009     block_t *p_ts;
2010
2011     bool b_new_pes = false;
2012     bool b_adaptation_field = false;
2013
2014     int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2015     int i_payload;
2016
2017     if( p_stream->i_pes_used <= 0 )
2018     {
2019         b_new_pes = true;
2020     }
2021     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2022                        i_payload_max );
2023
2024     if( b_pcr || i_payload < i_payload_max )
2025     {
2026         b_adaptation_field = true;
2027     }
2028
2029     p_ts = block_New( p_mux, 188 );
2030     p_ts->i_dts = p_pes->i_dts;
2031
2032     p_ts->p_buffer[0] = 0x47;
2033     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2034         ( ( p_stream->i_pid >> 8 )&0x1f );
2035     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2036     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2037         p_stream->i_continuity_counter;
2038
2039     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2040     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2041
2042     if( b_adaptation_field )
2043     {
2044         int i;
2045
2046         if( b_pcr )
2047         {
2048             int     i_stuffing = i_payload_max - i_payload;
2049
2050             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2051
2052             p_ts->p_buffer[4] = 7 + i_stuffing;
2053             p_ts->p_buffer[5] = 0x10;   /* flags */
2054             if( p_stream->b_discontinuity )
2055             {
2056                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2057                 p_stream->b_discontinuity = false;
2058             }
2059             p_ts->p_buffer[6] = ( 0 )&0xff;
2060             p_ts->p_buffer[7] = ( 0 )&0xff;
2061             p_ts->p_buffer[8] = ( 0 )&0xff;
2062             p_ts->p_buffer[9] = ( 0 )&0xff;
2063             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2064             p_ts->p_buffer[11]= 0;
2065
2066             for( i = 12; i < 12 + i_stuffing; i++ )
2067             {
2068                 p_ts->p_buffer[i] = 0xff;
2069             }
2070         }
2071         else
2072         {
2073             int i_stuffing = i_payload_max - i_payload;
2074
2075             p_ts->p_buffer[4] = i_stuffing - 1;
2076             if( i_stuffing > 1 )
2077             {
2078                 p_ts->p_buffer[5] = 0x00;
2079                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2080                 {
2081                     p_ts->p_buffer[i] = 0xff;
2082                 }
2083             }
2084         }
2085     }
2086
2087     /* copy payload */
2088     memcpy( &p_ts->p_buffer[188 - i_payload],
2089             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2090
2091     p_stream->i_pes_used += i_payload;
2092     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2093         p_stream->i_pes_used / p_pes->i_buffer;
2094     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2095
2096     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2097     {
2098         p_pes = BufferChainGet( &p_stream->chain_pes );
2099         block_Release( p_pes );
2100
2101         p_pes = p_stream->chain_pes.p_first;
2102         if( p_pes )
2103         {
2104             p_stream->i_pes_dts    = p_pes->i_dts;
2105             p_stream->i_pes_length = 0;
2106             while( p_pes )
2107             {
2108                 p_stream->i_pes_length += p_pes->i_length;
2109
2110                 p_pes = p_pes->p_next;
2111             }
2112         }
2113         else
2114         {
2115             p_stream->i_pes_dts = 0;
2116             p_stream->i_pes_length = 0;
2117         }
2118         p_stream->i_pes_used = 0;
2119     }
2120
2121     return p_ts;
2122 }
2123
2124 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2125 {
2126     mtime_t i_pcr = 9 * i_dts / 100;
2127
2128     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
2129     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
2130     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
2131     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
2132     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
2133 }
2134
2135 #if 0
2136 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2137                               mtime_t i_length, int i_bitrate_min,
2138                               int i_bitrate_max )
2139 {
2140     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2141     sout_buffer_chain_t s = *c;
2142
2143     int i_packets = 0;
2144     int i_packets_min = 0;
2145     int i_packets_max = 0;
2146
2147     if( i_length <= 0 )
2148     {
2149         return;
2150     }
2151
2152     i_packets     = c->i_depth;
2153     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
2154     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
2155
2156     if( i_packets < i_packets_min && i_packets_min > 0 )
2157     {
2158         block_t *p_pk;
2159         int i_div = ( i_packets_min - i_packets ) / i_packets;
2160         int i_mod = ( i_packets_min - i_packets ) % i_packets;
2161         int i_rest = 0;
2162
2163         /* We need to pad with null packets (pid=0x1fff)
2164          * We try to melt null packets with true packets */
2165         msg_Dbg( p_mux,
2166                  "packets=%d but min=%d -> adding %d packets of padding",
2167                  i_packets, i_packets_min, i_packets_min - i_packets );
2168
2169         BufferChainInit( c );
2170         while( ( p_pk = BufferChainGet( &s ) ) )
2171         {
2172             int i, i_null;
2173
2174             BufferChainAppend( c, p_pk );
2175
2176             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2177
2178             for( i = 0; i < i_null; i++ )
2179             {
2180                 block_t *p_null;
2181
2182                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2183                 p_null->p_buffer[0] = 0x47;
2184                 p_null->p_buffer[1] = 0x1f;
2185                 p_null->p_buffer[2] = 0xff;
2186                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2187                 memset( &p_null->p_buffer[4], 0, 184 );
2188                 p_sys->i_null_continuity_counter =
2189                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2190
2191                 BufferChainAppend( c, p_null );
2192             }
2193
2194             i_rest = ( i_rest + i_mod ) % i_packets;
2195         }
2196     }
2197     else if( i_packets > i_packets_max && i_packets_max > 0 )
2198     {
2199         block_t *p_pk;
2200         int           i;
2201
2202         /* Arg, we need to drop packets, I don't do something clever (like
2203          * dropping complete pid, b frames, ... ), I just get the right amount
2204          * of packets and discard the others */
2205         msg_Warn( p_mux,
2206                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2207                   i_packets, i_packets_max, i_packets - i_packets_max );
2208
2209         BufferChainInit( c );
2210         for( i = 0; i < i_packets_max; i++ )
2211         {
2212             BufferChainAppend( c, BufferChainGet( &s ) );
2213         }
2214
2215         while( ( p_pk = BufferChainGet( &s ) ) )
2216         {
2217             sout_BufferDelete( p_mux->p_sout, p_pk );
2218         }
2219     }
2220 }
2221 #endif
2222
2223 static void PEStoTS( sout_instance_t *p_sout,
2224                      sout_buffer_chain_t *c, block_t *p_pes,
2225                      ts_stream_t *p_stream )
2226 {
2227     VLC_UNUSED(p_sout);
2228     uint8_t *p_data;
2229     int     i_size;
2230     int     b_new_pes;
2231
2232     /* get PES total size */
2233     i_size = p_pes->i_buffer;
2234     p_data = p_pes->p_buffer;
2235
2236     b_new_pes = true;
2237
2238     for( ;; )
2239     {
2240         int           b_adaptation_field;
2241         int           i_copy;
2242         block_t *p_ts;
2243
2244         p_ts = block_New( p_sout, 188 );
2245         /* write header
2246          * 8b   0x47    sync byte
2247          * 1b           transport_error_indicator
2248          * 1b           payload_unit_start
2249          * 1b           transport_priority
2250          * 13b          pid
2251          * 2b           transport_scrambling_control
2252          * 2b           if adaptation_field 0x03 else 0x01
2253          * 4b           continuity_counter
2254          */
2255
2256         i_copy    = __MIN( i_size, 184 );
2257         b_adaptation_field = i_size < 184 ? true : false;
2258
2259         p_ts->p_buffer[0] = 0x47;
2260         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2261                             ( ( p_stream->i_pid >> 8 )&0x1f );
2262         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2263         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2264                             p_stream->i_continuity_counter;
2265
2266         b_new_pes = false;
2267         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2268
2269         if( b_adaptation_field )
2270         {
2271             int i_stuffing = 184 - i_copy;
2272             int i;
2273
2274             p_ts->p_buffer[4] = i_stuffing - 1;
2275             if( i_stuffing > 1 )
2276             {
2277                 p_ts->p_buffer[5] = 0x00;
2278                 if( p_stream->b_discontinuity )
2279                 {
2280                     p_ts->p_buffer[5] |= 0x80;
2281                     p_stream->b_discontinuity = false;
2282                 }
2283                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2284                 {
2285                     p_ts->p_buffer[i] = 0xff;
2286                 }
2287             }
2288         }
2289         /* copy payload */
2290         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2291         p_data += i_copy;
2292         i_size -= i_copy;
2293
2294         BufferChainAppend( c, p_ts );
2295
2296         if( i_size <= 0 )
2297         {
2298             block_t *p_next = p_pes->p_next;
2299
2300             p_pes->p_next = NULL;
2301             block_Release( p_pes );
2302             if( p_next == NULL )
2303             {
2304                 break;
2305             }
2306             b_new_pes = true;
2307             p_pes = p_next;
2308             i_size = p_pes->i_buffer;
2309             p_data = p_pes->p_buffer;
2310         }
2311     }
2312
2313     return;
2314 }
2315
2316 static block_t *WritePSISection( sout_instance_t *p_sout,
2317                                        dvbpsi_psi_section_t* p_section )
2318 {
2319     VLC_UNUSED(p_sout);
2320     block_t   *p_psi, *p_first = NULL;
2321
2322     while( p_section )
2323     {
2324         int             i_size;
2325
2326         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2327                   ( p_section->b_syntax_indicator ? 4 : 0 );
2328
2329         p_psi = block_New( p_sout, i_size + 1 );
2330         p_psi->i_pts = 0;
2331         p_psi->i_dts = 0;
2332         p_psi->i_length = 0;
2333         p_psi->i_buffer = i_size + 1;
2334
2335         p_psi->p_buffer[0] = 0; /* pointer */
2336         memcpy( p_psi->p_buffer + 1,
2337                 p_section->p_data,
2338                 i_size );
2339
2340         block_ChainAppend( &p_first, p_psi );
2341
2342         p_section = p_section->p_next;
2343     }
2344
2345     return( p_first );
2346 }
2347
2348 static void GetPAT( sout_mux_t *p_mux,
2349                     sout_buffer_chain_t *c )
2350 {
2351     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2352     block_t              *p_pat;
2353     dvbpsi_pat_t         pat;
2354     dvbpsi_psi_section_t *p_section;
2355     int i;
2356
2357     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2358                     1 );      /* b_current_next */
2359     /* add all programs */
2360     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2361         dvbpsi_PATAddProgram( &pat,
2362                               p_sys->i_pmt_program_number[i],
2363                               p_sys->pmt[i].i_pid );
2364
2365     p_section = dvbpsi_GenPATSections( &pat,
2366                                        0 );     /* max program per section */
2367
2368     p_pat = WritePSISection( p_mux->p_sout, p_section );
2369
2370     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2371
2372     dvbpsi_DeletePSISections( p_section );
2373     dvbpsi_EmptyPAT( &pat );
2374 }
2375
2376 static uint32_t GetDescriptorLength24b( int i_length )
2377 {
2378     uint32_t i_l1, i_l2, i_l3;
2379
2380     i_l1 = i_length&0x7f;
2381     i_l2 = ( i_length >> 7 )&0x7f;
2382     i_l3 = ( i_length >> 14 )&0x7f;
2383
2384     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2385 }
2386
2387 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2388 {
2389     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2390     block_t   *p_pmt[MAX_PMT];
2391
2392     dvbpsi_pmt_es_t     *p_es;
2393     dvbpsi_psi_section_t *p_section[MAX_PMT];
2394
2395     int             i_pidinput;
2396     int             i_stream;
2397     int             i;
2398     int             *p_usepid = NULL;
2399
2400 #ifdef HAVE_DVBPSI_SDT
2401     block_t         *p_sdt;
2402     dvbpsi_sdt_t    sdt;
2403
2404     dvbpsi_psi_section_t* p_section2;
2405     dvbpsi_sdt_service_t *p_service;
2406
2407     uint8_t         *psz_sdt_desc;
2408 #endif
2409
2410     if( p_sys->dvbpmt == NULL )
2411     {
2412         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2413         if( !p_sys->dvbpmt )
2414         {
2415             return;
2416         }
2417     }
2418 #ifdef HAVE_DVBPSI_SDT
2419     if( p_sys->b_sdt )
2420         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2421 #endif
2422
2423     for( i = 0; i < p_sys->i_num_pmt; i++ )
2424     {
2425         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2426                         p_sys->i_pmt_program_number[i],   /* program number */
2427                         p_sys->i_pmt_version_number,
2428                         1,      /* b_current_next */
2429                         p_sys->i_pcr_pid );
2430
2431 #ifdef HAVE_DVBPSI_SDT
2432         if( p_sys->b_sdt )
2433         {
2434             p_service = dvbpsi_SDTAddService( &sdt,
2435                 p_sys->i_pmt_program_number[i],  /* service id */
2436                 0,         /* eit schedule */
2437                 0,         /* eit present */
2438                 4,         /* running status ("4=RUNNING") */
2439                 0 );       /* free ca */
2440
2441 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2442 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2443
2444             /* FIXME: Ineffecient malloc's & ugly code......  */
2445             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2446             {
2447                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2448                                          + strlen(psz_sdtserv) );
2449                 if( psz_sdt_desc )
2450                 {
2451                     psz_sdt_desc[0] = 0x01; /* digital television service */
2452
2453                     /* service provider name length */
2454                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2455                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2456
2457                     /* service name length */
2458                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2459                         = (char)strlen(psz_sdtserv);
2460                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2461                             strlen(psz_sdtserv) );
2462
2463                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2464                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2465                             (uint8_t *)psz_sdt_desc );
2466                     free( psz_sdt_desc );
2467                     psz_sdt_desc = NULL;
2468                 }
2469             }
2470 #undef psz_sdtprov
2471 #undef psz_sdtserv
2472         }
2473 #endif
2474     }
2475
2476     if( p_sys->i_mpeg4_streams > 0 )
2477     {
2478         uint8_t iod[4096];
2479         bits_buffer_t bits;
2480         bits_buffer_t bits_fix_IOD;
2481
2482         /* Make valgrind happy : it works at byte level not bit one so
2483          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2484          * working (needed when fixing some bits) */
2485         memset( iod, 0, 4096 );
2486
2487         bits_initwrite( &bits, 4096, iod );
2488         /* IOD_label_scope */
2489         bits_write( &bits, 8,   0x11 );
2490         /* IOD_label */
2491         bits_write( &bits, 8,   0x01 );
2492         /* InitialObjectDescriptor */
2493         bits_align( &bits );
2494         bits_write( &bits, 8,   0x02 );     /* tag */
2495         bits_fix_IOD = bits;    /* save states to fix length later */
2496         bits_write( &bits, 24,
2497             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2498         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2499         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2500         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2501         bits_write( &bits, 4,   0x0f );     /* reserved */
2502         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2503         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2504         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2505         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2506         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2507         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2508         {
2509             ts_stream_t *p_stream;
2510             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2511
2512             if( p_stream->i_stream_id == 0xfa ||
2513                 p_stream->i_stream_id == 0xfb ||
2514                 p_stream->i_stream_id == 0xfe )
2515             {
2516                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2517                 /* ES descriptor */
2518                 bits_align( &bits );
2519                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2520                 bits_fix_ESDescr = bits;
2521                 bits_write( &bits, 24,
2522                             GetDescriptorLength24b( 0 ) ); /* variable size */
2523                 bits_write( &bits, 16,  p_stream->i_es_id );
2524                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2525                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2526                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2527                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2528
2529                 /* DecoderConfigDesciptor */
2530                 bits_align( &bits );
2531                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2532                 bits_fix_Decoder = bits;
2533                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2534                 if( p_stream->i_stream_type == 0x10 )
2535                 {
2536                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2537                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2538                 }
2539                 else if( p_stream->i_stream_type == 0x1b )
2540                 {
2541                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2542                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2543                 }
2544                 else if( p_stream->i_stream_type == 0x11 ||
2545                          p_stream->i_stream_type == 0x0f )
2546                 {
2547                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2548                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2549                 }
2550                 else if( p_stream->i_stream_type == 0x12 &&
2551                          p_stream->i_codec == VLC_CODEC_SUBT )
2552                 {
2553                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2554                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2555                 }
2556                 else
2557                 {
2558                     bits_write( &bits, 8, 0x00 );
2559                     bits_write( &bits, 6, 0x00 );
2560
2561                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2562                              "broken IOD" );
2563                 }
2564                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2565                 bits_write( &bits, 1,   0x01 );         /* reserved */
2566                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2567                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2568                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2569
2570                 if( p_stream->i_decoder_specific_info > 0 )
2571                 {
2572                     int i;
2573                     /* DecoderSpecificInfo */
2574                     bits_align( &bits );
2575                     bits_write( &bits, 8,   0x05 ); /* tag */
2576                     bits_write( &bits, 24, GetDescriptorLength24b(
2577                                 p_stream->i_decoder_specific_info ) );
2578                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2579                     {
2580                         bits_write( &bits, 8,
2581                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2582                     }
2583                 }
2584                 /* fix Decoder length */
2585                 bits_write( &bits_fix_Decoder, 24,
2586                             GetDescriptorLength24b( bits.i_data -
2587                             bits_fix_Decoder.i_data - 3 ) );
2588
2589                 /* SLConfigDescriptor : predefined (0x01) */
2590                 bits_align( &bits );
2591                 bits_write( &bits, 8,   0x06 ); /* tag */
2592                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2593                 bits_write( &bits, 8,   0x01 );/* predefined */
2594                 bits_write( &bits, 1,   0 );   /* durationFlag */
2595                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2596                 bits_write( &bits, 8,   0 );   /* OCRLength */
2597                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2598                 bits_align( &bits );
2599
2600                 /* fix ESDescr length */
2601                 bits_write( &bits_fix_ESDescr, 24,
2602                             GetDescriptorLength24b( bits.i_data -
2603                             bits_fix_ESDescr.i_data - 3 ) );
2604             }
2605         }
2606         bits_align( &bits );
2607         /* fix IOD length */
2608         bits_write( &bits_fix_IOD, 24,
2609                     GetDescriptorLength24b( bits.i_data -
2610                                             bits_fix_IOD.i_data - 3 ) );
2611
2612 #if 0 /* FIXME!!! This can't possibly work */
2613         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2614         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2615                             sizeof(pmt_map_t), intcompare );
2616         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2617                             sizeof(pmt_map_t), pmtcompare );
2618         if( p_usepid != NULL )
2619             dvbpsi_PMTAddDescriptor(
2620                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2621                     bits.i_data, bits.p_data );
2622         else
2623             msg_Err( p_mux, "Received an unmapped PID" );
2624 #else
2625         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2626                                  bits.p_data );
2627 #endif
2628     }
2629
2630     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2631     {
2632         ts_stream_t *p_stream;
2633
2634         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2635
2636         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2637         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2638                             sizeof(pmt_map_t), intcompare );
2639
2640         if( p_usepid != NULL )
2641             p_es = dvbpsi_PMTAddES(
2642                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2643                     p_stream->i_stream_type, p_stream->i_pid );
2644         else
2645             /* If there's an error somewhere, dump it to the first pmt */
2646             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2647                                     p_stream->i_pid );
2648
2649         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2650         {
2651             uint8_t     es_id[2];
2652
2653             /* SL descriptor */
2654             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2655             es_id[1] = (p_stream->i_es_id)&0xff;
2656             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2657         }
2658         else if( p_stream->i_stream_type == 0xa0 )
2659         {
2660             uint8_t data[512];
2661             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2662
2663             /* private DIV3 descripor */
2664             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2665             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2666             data[5] = ( p_stream->i_bih_width      )&0xff;
2667             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2668             data[7] = ( p_stream->i_bih_height     )&0xff;
2669             data[8] = ( i_extra >> 8 )&0xff;
2670             data[9] = ( i_extra      )&0xff;
2671             if( i_extra > 0 )
2672             {
2673                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2674             }
2675
2676             /* 0xa0 is private */
2677             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2678         }
2679         else if( p_stream->i_stream_type == 0x81 )
2680         {
2681             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2682
2683             /* "registration" descriptor : "AC-3" */
2684             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2685         }
2686         else if( p_stream->i_codec == VLC_CODEC_DIRAC )
2687         {
2688             /* Dirac registration descriptor */
2689
2690             uint8_t data[4] = { 'd', 'r', 'a', 'c' };
2691             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2692         }
2693         else if( p_stream->i_codec == VLC_CODEC_DTS )
2694         {
2695             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2696
2697             /* DTS format identifier, frame size 1024 - FIXME */
2698             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2699             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2700         }
2701         else if( p_stream->i_codec == VLC_CODEC_TELETEXT )
2702         {
2703             if( p_stream->i_decoder_specific_info )
2704             {
2705                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2706                                            p_stream->i_decoder_specific_info,
2707                                            p_stream->p_decoder_specific_info );
2708             }
2709             continue;
2710         }
2711         else if( p_stream->i_codec == VLC_CODEC_DVBS )
2712         {
2713             /* DVB subtitles */
2714             if( p_stream->i_decoder_specific_info )
2715             {
2716                 /* pass-through from the TS demux */
2717                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2718                                            p_stream->i_decoder_specific_info,
2719                                            p_stream->p_decoder_specific_info );
2720             }
2721 #ifdef _DVBPSI_DR_59_H_
2722             else
2723             {
2724                 /* from the dvbsub transcoder */
2725                 dvbpsi_subtitling_dr_t descr;
2726                 dvbpsi_subtitle_t sub;
2727                 dvbpsi_descriptor_t *p_descr;
2728
2729                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2730                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2731                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2732                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2733
2734                 descr.i_subtitles_number = 1;
2735                 descr.p_subtitle[0] = sub;
2736
2737                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2738                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2739                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2740                                            p_descr->i_length, p_descr->p_data );
2741             }
2742 #endif /* _DVBPSI_DR_59_H_ */
2743             continue;
2744         }
2745
2746         if( p_stream->lang[0] != 0 )
2747         {
2748             uint8_t data[4*p_stream->i_langs];
2749
2750             /* I construct the content myself, way faster than looking at
2751              * over complicated/mind broken libdvbpsi way */
2752             for(i = 0; i < p_stream->i_langs; i++ )
2753             {
2754                 data[i*4+0] = p_stream->lang[i*3+0];
2755                 data[i*4+1] = p_stream->lang[i*3+1];
2756                 data[i*4+2] = p_stream->lang[i*3+2];
2757                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2758             }
2759             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2760         }
2761     }
2762
2763     for( i = 0; i < p_sys->i_num_pmt; i++ )
2764     {
2765         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2766         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2767         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2768         dvbpsi_DeletePSISections( p_section[i] );
2769         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2770     }
2771
2772 #ifdef HAVE_DVBPSI_SDT
2773     if( p_sys->b_sdt )
2774     {
2775         p_section2 = dvbpsi_GenSDTSections( &sdt );
2776         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2777         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2778         dvbpsi_DeletePSISections( p_section2 );
2779         dvbpsi_EmptySDT( &sdt );
2780     }
2781 #endif
2782 }