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

   1 /*****************************************************************************
   2  * ts.c: MPEG-II TS Muxer
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Eric Petit <titer@videolan.org>
   9  *          Jean-Paul Saman <jpsaman #_at_# m2x.nl>
  10  *          Wallace Wadge <wwadge #_at_# gmail.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30
  31 #ifdef HAVE_CONFIG_H
  32 # include "config.h"
  33 #endif
  34
  35 #include <limits.h>
  36
  37 #include <vlc_common.h>
  38 #include <vlc_plugin.h>
  39 #include <vlc_sout.h>
  40 #include <vlc_codecs.h>
  41 #include <vlc_block.h>
  42
  43 #include <vlc_iso_lang.h>
  44
  45 #include "bits.h"
  46 #include "pes.h"
  47 #include "csa.h"
  48
  49 #ifdef HAVE_DVBPSI_DR_H
  50 #   include <dvbpsi/dvbpsi.h>
  51 #   include <dvbpsi/demux.h>
  52 #   include <dvbpsi/descriptor.h>
  53 #   include <dvbpsi/pat.h>
  54 #   include <dvbpsi/pmt.h>
  55 #   include <dvbpsi/sdt.h>
  56 #   include <dvbpsi/dr.h>
  57 #   include <dvbpsi/psi.h>
  58 #else
  59 #   include "dvbpsi.h"
  60 #   include "demux.h"
  61 #   include "descriptor.h"
  62 #   include "tables/pat.h"
  63 #   include "tables/pmt.h"
  64 #   include "tables/sdt.h"
  65 #   include "descriptors/dr.h"
  66 #   include "psi.h"
  67 #endif
  68
  69 /*
  70  * TODO:
  71  *  - check PCR frequency requirement
  72  *  - check PAT/PMT  "        "
  73  *  - check PCR/PCR "soft"
  74  *  - check if "registration" descriptor : "AC-3" should be a program
  75  *    descriptor or an es one. (xine want an es one)
  76  *
  77  *  - remove creation of PAT/PMT without dvbpsi
  78  *  - ?
  79  * FIXME:
  80  *  - subtitle support is far from perfect. I expect some subtitles drop
  81  *    if they arrive a bit late
  82  *    (We cannot rely on the fact that the fifo should be full)
  83  */
  84
  85 /*****************************************************************************
  86  * Callback prototypes
  87  *****************************************************************************/
  88 static int ChangeKeyCallback    ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
  89 static int ActiveKeyCallback    ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
  90
  91 /*****************************************************************************
  92  * Module descriptor
  93  *****************************************************************************/
  94 static int     Open   ( vlc_object_t * );
  95 static void    Close  ( vlc_object_t * );
  96
  97 #define VPID_TEXT N_("Video PID")
  98 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
  99   "PID will automatically be the video.")
 100 #define APID_TEXT N_("Audio PID")
 101 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
 102 #define SPUPID_TEXT N_("SPU PID")
 103 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
 104 #define PMTPID_TEXT N_("PMT PID")
 105 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
 106 #define TSID_TEXT N_("TS ID")
 107 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
 108 #define NETID_TEXT N_("NET ID")
 109 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
 110
 111 #define PMTPROG_TEXT N_("PMT Program numbers")
 112 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
 113                             "requires \"Set PID to ID of ES\" to be enabled." )
 114
 115 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
 116 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
 117                            "requires \"Set PID to ID of ES\" to be enabled." )
 118
 119 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
 120 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
 121                         "requires \"Set PID to ID of ES\" to be enabled." )
 122
 123 #define PID_TEXT N_("Set PID to ID of ES")
 124 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
 125   "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
 126   "and output streams.")
 127
 128 #define ALIGNMENT_TEXT N_("Data alignment")
 129 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
 130   "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
 131
 132 #define SHAPING_TEXT N_("Shaping delay (ms)")
 133 #define SHAPING_LONGTEXT N_("Cut the " \
 134   "stream in slices of the given duration, and ensure a constant bitrate " \
 135   "between the two boundaries. This avoids having huge bitrate peaks, " \
 136   "especially for reference frames." )
 137
 138 #define KEYF_TEXT N_("Use keyframes")
 139 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
 140   "the TS muxer will place the boundaries at the end of I pictures. In " \
 141   "that case, the shaping duration given by the user is a worse case " \
 142   "used when no reference frame is available. This enhances the efficiency " \
 143   "of the shaping algorithm, since I frames are usually the biggest " \
 144   "frames in the stream.")
 145
 146 #define PCR_TEXT N_("PCR interval (ms)")
 147 #define PCR_LONGTEXT N_("Set at which interval " \
 148   "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
 149   "This value should be below 100ms. (default is 70ms).")
 150
 151 #define BMIN_TEXT N_( "Minimum B (deprecated)")
 152 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
 153
 154 #define BMAX_TEXT N_( "Maximum B (deprecated)")
 155 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
 156
 157 #define DTS_TEXT N_("DTS delay (ms)")
 158 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
 159   "stamps) and PTS (presentation timestamps) of the data in the " \
 160   "stream, compared to the PCRs. This allows for some buffering inside " \
 161   "the client decoder.")
 162
 163 #define ACRYPT_TEXT N_("Crypt audio")
 164 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
 165 #define VCRYPT_TEXT N_("Crypt video")
 166 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
 167
 168 #define CK_TEXT N_("CSA Key")
 169 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
 170   "16 char string (8 hexadecimal bytes).")
 171
 172 #define CK2_TEXT N_("Second CSA Key")
 173 #define CK2_LONGTEXT N_("The even CSA encryption key. This must be a " \
 174   "16 char string (8 hexadecimal bytes).")
 175
 176 #define CU_TEXT N_("CSA Key in use")
 177 #define CU_LONGTEXT N_("CSA encryption key used. It can be the odd/first/1 " \
 178   "(default) or the even/second/2 one.")
 179
 180 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
 181 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
 182     "The encryption routines subtract the TS-header from the value before " \
 183     "encrypting." )
 184
 185 #define SOUT_CFG_PREFIX "sout-ts-"
 186 #define MAX_PMT 64       /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 187 #define MAX_PMT_PID 64       /* Maximum pids in each pmt.  FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 188
 189 vlc_module_begin ()
 190     set_description( N_("TS muxer (libdvbpsi)") )
 191     set_shortname( "MPEG-TS")
 192     set_category( CAT_SOUT )
 193     set_subcategory( SUBCAT_SOUT_MUX )
 194     set_capability( "sout mux", 120 )
 195     add_shortcut( "ts" )
 196
 197     add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
 198                                   true )
 199     add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
 200                  APID_LONGTEXT, true )
 201     add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
 202                  SPUPID_LONGTEXT, true )
 203     add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
 204                  PMTPID_LONGTEXT, true )
 205     add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
 206                  TSID_LONGTEXT, true )
 207 #ifdef HAVE_DVBPSI_SDT
 208     add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
 209                  NETID_LONGTEXT, true )
 210 #endif
 211     add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
 212                 PMTPROG_LONGTEXT, true )
 213     add_bool( SOUT_CFG_PREFIX "es-id-pid", false, NULL, PID_TEXT, PID_LONGTEXT,
 214               true )
 215     add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, true )
 216 #ifdef HAVE_DVBPSI_SDT
 217     add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, true )
 218 #endif
 219     add_bool( SOUT_CFG_PREFIX "alignment", true, NULL, ALIGNMENT_TEXT,
 220               ALIGNMENT_LONGTEXT, true )
 221
 222     add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL, SHAPING_TEXT,
 223                  SHAPING_LONGTEXT, true )
 224     add_bool( SOUT_CFG_PREFIX "use-key-frames", false, NULL, KEYF_TEXT,
 225               KEYF_LONGTEXT, true )
 226
 227     add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
 228                  true )
 229     add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
 230                  true )
 231     add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
 232                  true )
 233     add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
 234                  DTS_LONGTEXT, true )
 235
 236     add_bool( SOUT_CFG_PREFIX "crypt-audio", true, NULL, ACRYPT_TEXT,
 237               ACRYPT_LONGTEXT, true )
 238     add_bool( SOUT_CFG_PREFIX "crypt-video", true, NULL, VCRYPT_TEXT,
 239               VCRYPT_LONGTEXT, true )
 240
 241     add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
 242                 true )
 243     add_string( SOUT_CFG_PREFIX "csa2-ck", NULL, NULL, CK2_TEXT, CK2_LONGTEXT,
 244                 true )
 245     add_string( SOUT_CFG_PREFIX "csa-use", "1", NULL, CU_TEXT, CU_LONGTEXT,
 246                 true )
 247     add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, true )
 248
 249     set_callbacks( Open, Close )
 250 vlc_module_end ()
 251
 252 /*****************************************************************************
 253  * Local data structures
 254  *****************************************************************************/
 255 static const char *const ppsz_sout_options[] = {
 256     "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
 257     "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
 258     "dts-delay", "csa-ck", "csa2-ck", "csa-use", "csa-pkt", "crypt-audio", "crypt-video",
 259     "muxpmt", "sdtdesc", "program-pmt", "alignment",
 260     NULL
 261 };
 262
 263 typedef struct pmt_map_t   /* Holds the mapping between the pmt-pid/pmt table */
 264 {
 265     int i_pid;
 266     unsigned long i_prog;
 267 } pmt_map_t;
 268
 269 typedef struct sdt_desc_t
 270 {
 271     char *psz_provider;
 272     char *psz_service_name;  /* name of program */
 273 } sdt_desc_t;
 274
 275 typedef struct
 276 {
 277     int     i_depth;
 278     block_t *p_first;
 279     block_t **pp_last;
 280 } sout_buffer_chain_t;
 281
 282 static inline void BufferChainInit  ( sout_buffer_chain_t *c )
 283 {
 284     c->i_depth = 0;
 285     c->p_first = NULL;
 286     c->pp_last = &c->p_first;
 287 }
 288
 289 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
 290 {
 291     *c->pp_last = b;
 292     c->i_depth++;
 293
 294     while( b->p_next )
 295     {
 296         b = b->p_next;
 297         c->i_depth++;
 298     }
 299     c->pp_last = &b->p_next;
 300 }
 301
 302 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
 303 {
 304     block_t *b = c->p_first;
 305
 306     if( b )
 307     {
 308         c->i_depth--;
 309         c->p_first = b->p_next;
 310
 311         if( c->p_first == NULL )
 312         {
 313             c->pp_last = &c->p_first;
 314         }
 315
 316         b->p_next = NULL;
 317     }
 318     return b;
 319 }
 320
 321 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
 322 {
 323     block_t *b = c->p_first;
 324
 325     return b;
 326 }
 327
 328 static inline void BufferChainClean( sout_buffer_chain_t *c )
 329 {
 330     block_t *b;
 331
 332     while( ( b = BufferChainGet( c ) ) )
 333     {
 334         block_Release( b );
 335     }
 336     BufferChainInit( c );
 337 }
 338
 339 typedef struct ts_stream_t
 340 {
 341     int             i_pid;
 342     vlc_fourcc_t    i_codec;
 343
 344     int             i_stream_type;
 345     int             i_stream_id;
 346     int             i_continuity_counter;
 347     bool            b_discontinuity;
 348
 349     /* to be used for carriege of DIV3 */
 350     vlc_fourcc_t    i_bih_codec;
 351     int             i_bih_width, i_bih_height;
 352
 353     /* Specific to mpeg4 in mpeg2ts */
 354     int             i_es_id;
 355
 356     int             i_decoder_specific_info;
 357     uint8_t         *p_decoder_specific_info;
 358
 359     /* language is iso639-2T */
 360     int             i_langs;
 361     uint8_t         *lang;
 362
 363     sout_buffer_chain_t chain_pes;
 364     mtime_t             i_pes_dts;
 365     mtime_t             i_pes_length;
 366     int                 i_pes_used;
 367     bool                b_key_frame;
 368
 369 } ts_stream_t;
 370
 371 struct sout_mux_sys_t
 372 {
 373     int             i_pcr_pid;
 374     sout_input_t    *p_pcr_input;
 375
 376     vlc_mutex_t     csa_lock;
 377
 378     int             i_audio_bound;
 379     int             i_video_bound;
 380
 381     bool            b_es_id_pid;
 382     bool            b_sdt;
 383     int             i_pid_video;
 384     int             i_pid_audio;
 385     int             i_pid_spu;
 386     int             i_pid_free; /* first usable pid */
 387
 388     int             i_tsid;
 389     int             i_netid;
 390     int             i_num_pmt;
 391     int             i_pmtslots;
 392     int             i_pat_version_number;
 393     ts_stream_t     pat;
 394
 395     int             i_pmt_version_number;
 396     ts_stream_t     pmt[MAX_PMT];
 397     pmt_map_t       pmtmap[MAX_PMT_PID];
 398     int             i_pmt_program_number[MAX_PMT];
 399     sdt_desc_t      sdt_descriptors[MAX_PMT];
 400     bool            b_data_alignment;
 401
 402     int             i_mpeg4_streams;
 403
 404     int             i_null_continuity_counter;  /* Needed ? */
 405     ts_stream_t     sdt;
 406     dvbpsi_pmt_t    *dvbpmt;
 407
 408     /* for TS building */
 409     int64_t         i_bitrate_min;
 410     int64_t         i_bitrate_max;
 411
 412     int64_t         i_shaping_delay;
 413     int64_t         i_pcr_delay;
 414
 415     int64_t         i_dts_delay;
 416
 417     bool            b_use_key_frames;
 418
 419     mtime_t         i_pcr;  /* last PCR emited */
 420
 421     csa_t           *csa;
 422     int             i_csa_pkt_size;
 423     bool            b_crypt_audio;
 424     bool            b_crypt_video;
 425 };
 426
 427 /* Reserve a pid and return it */
 428 static int  AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
 429 {
 430     int i_pid;
 431     if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
 432     {
 433         i_pid = p_sys->i_pid_video;
 434         p_sys->i_pid_video = 0;
 435     }
 436     else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
 437     {
 438         i_pid = p_sys->i_pid_audio;
 439         p_sys->i_pid_audio = 0;
 440     }
 441     else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
 442     {
 443         i_pid = p_sys->i_pid_spu;
 444         p_sys->i_pid_spu = 0;
 445     }
 446     else
 447     {
 448         i_pid = ++p_sys->i_pid_free;
 449     }
 450     return i_pid;
 451 }
 452
 453 static int pmtcompare( const void *pa, const void *pb )
 454 {
 455     if ( ((pmt_map_t *)pa)->i_pid  < ((pmt_map_t *)pb)->i_pid )
 456         return -1;
 457     else if ( ((pmt_map_t *)pa)->i_pid  > ((pmt_map_t *)pb)->i_pid )
 458         return 1;
 459     else
 460         return 0;
 461 }
 462
 463 static int intcompare( const void *pa, const void *pb )
 464 {
 465     if ( *(int *)pa  < *(int *)pb )
 466         return -1;
 467     else if ( *(int *)pa > *(int *)pb )
 468         return 1;
 469     else
 470         return 0;
 471 }
 472
 473 /*****************************************************************************
 474  * Local prototypes
 475  *****************************************************************************/
 476 static int Control  ( sout_mux_t *, int, va_list );
 477 static int AddStream( sout_mux_t *, sout_input_t * );
 478 static int DelStream( sout_mux_t *, sout_input_t * );
 479 static int Mux      ( sout_mux_t * );
 480
 481 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
 482 static block_t *Add_ADTS( block_t *, es_format_t * );
 483 static void TSSchedule  ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 484                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 485 static void TSDate      ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 486                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 487 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 488 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 489
 490 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, bool b_pcr );
 491 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
 492
 493 static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
 494
 495 /*****************************************************************************
 496  * Open:
 497  *****************************************************************************/
 498 static int Open( vlc_object_t *p_this )
 499 {
 500     sout_mux_t          *p_mux =(sout_mux_t*)p_this;
 501     sout_mux_sys_t      *p_sys = NULL;
 502     vlc_value_t         val;
 503     int i;
 504
 505     config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
 506
 507     p_sys = malloc( sizeof( sout_mux_sys_t ) );
 508     if( !p_sys )
 509         return VLC_ENOMEM;
 510     p_sys->i_pmtslots = p_sys->b_sdt = 0;
 511     p_sys->i_num_pmt = 1;
 512     p_sys->dvbpmt = NULL;
 513     memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
 514
 515     vlc_mutex_init( &p_sys->csa_lock );
 516
 517     p_mux->pf_control   = Control;
 518     p_mux->pf_addstream = AddStream;
 519     p_mux->pf_delstream = DelStream;
 520     p_mux->pf_mux       = Mux;
 521     p_mux->p_sys        = p_sys;
 522
 523     srand( (uint32_t)mdate() );
 524     for ( i = 0; i < MAX_PMT; i++ )
 525         p_sys->sdt_descriptors[i].psz_service_name
 526             = p_sys->sdt_descriptors[i].psz_provider = NULL;
 527     memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
 528
 529     p_sys->i_audio_bound = 0;
 530     p_sys->i_video_bound = 0;
 531
 532     p_sys->b_es_id_pid = var_GetBool( p_mux, SOUT_CFG_PREFIX "es-id-pid" );
 533
 534     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 535     /*
 536        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 537        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 538     */
 539     if( val.psz_string != NULL && *val.psz_string )
 540     {
 541         char *psz_next;
 542         char *psz = val.psz_string;
 543         uint16_t i_pid;
 544         psz_next = psz;
 545
 546         while( psz != NULL )
 547         {
 548             i_pid = strtoul( psz, &psz_next, 0 );
 549
 550             if ( strlen(psz_next) > 0 )
 551                 psz = &psz_next[1];
 552             if ( i_pid == 0 )
 553             {
 554                 p_sys->i_num_pmt++;
 555                 if ( p_sys->i_num_pmt > MAX_PMT )
 556                 {
 557                     msg_Err( p_mux,
 558              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 559                     p_sys->i_num_pmt = MAX_PMT;
 560                 }
 561             }
 562             else
 563             {
 564                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 565                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 566                 p_sys->i_pmtslots++;
 567                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 568                 {
 569                     msg_Err( p_mux,
 570              "Number of pids in PMT greater than compiled maximum (%d)",
 571                              MAX_PMT_PID );
 572                     p_sys->i_pmtslots = MAX_PMT_PID;
 573                 }
 574             }
 575
 576             /* Now sort according to pids for fast search later on */
 577             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 578                    sizeof(pmt_map_t), &pmtcompare );
 579             if ( !*psz_next )
 580                 psz = NULL;
 581         }
 582     }
 583     free( val.psz_string );
 584
 585     p_sys->i_pat_version_number = rand() % 32;
 586     p_sys->pat.i_pid = 0;
 587     p_sys->pat.i_continuity_counter = 0;
 588     p_sys->pat.b_discontinuity = false;
 589
 590     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 591     if ( val.i_int )
 592         p_sys->i_tsid = val.i_int;
 593     else
 594         p_sys->i_tsid = rand() % 65536;
 595
 596     p_sys->i_netid = rand() % 65536;
 597 #ifdef HAVE_DVBPSI_SDT
 598     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 599     if ( val.i_int )
 600         p_sys->i_netid = val.i_int;
 601 #endif
 602
 603     p_sys->i_pmt_version_number = rand() % 32;
 604     for( i = 0; i < p_sys->i_num_pmt; i++ )
 605     {
 606         p_sys->pmt[i].i_continuity_counter = 0;
 607         p_sys->pmt[i].b_discontinuity = false;
 608     }
 609
 610     p_sys->sdt.i_pid = 0x11;
 611     p_sys->sdt.i_continuity_counter = 0;
 612     p_sys->sdt.b_discontinuity = false;
 613
 614 #ifdef HAVE_DVBPSI_SDT
 615     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 616     p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
 617
 618     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 619     if( p_sys->b_sdt )
 620     {
 621
 622         char *psz = val.psz_string;
 623         char *psz_sdttoken = psz;
 624
 625         i = 0;
 626         while ( psz_sdttoken != NULL )
 627         {
 628             char *psz_end = strchr( psz_sdttoken, ',' );
 629             if( psz_end != NULL )
 630             {
 631                 *psz_end++ = '\0';
 632             }
 633             if ( !(i % 2) )
 634             {
 635                 p_sys->sdt_descriptors[i/2].psz_provider
 636                     = strdup(psz_sdttoken);
 637             }
 638             else
 639             {
 640                 p_sys->sdt_descriptors[i/2].psz_service_name
 641                     = strdup(psz_sdttoken);
 642             }
 643
 644             i++;
 645             psz_sdttoken = psz_end;
 646         }
 647     }
 648     free( val.psz_string );
 649 #else
 650     p_sys->b_sdt = false;
 651 #endif
 652
 653     var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
 654     p_sys->b_data_alignment = val.b_bool;
 655
 656     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 657     if( val.psz_string && *val.psz_string )
 658     {
 659         char *psz_next;
 660         char *psz = val.psz_string;
 661         uint16_t i_pid;
 662
 663         psz_next = psz;
 664         i = 0;
 665         while ( psz != NULL )
 666         {
 667             i_pid = strtoul( psz, &psz_next, 0 );
 668             if( strlen(psz_next) > 0 )
 669                 psz = &psz_next[1];
 670             else
 671                 psz = NULL;
 672
 673             if( i_pid == 0 )
 674             {
 675                 if( i > MAX_PMT )
 676                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 677                              MAX_PMT );
 678             }
 679             else
 680             {
 681                 p_sys->i_pmt_program_number[i] = i_pid;
 682                 i++;
 683             }
 684         }
 685     }
 686     else
 687     {
 688         /* Option not specified, use 1, 2, 3... */
 689         for( i = 0; i < p_sys->i_num_pmt; i++ )
 690             p_sys->i_pmt_program_number[i] = i + 1;
 691     }
 692     free( val.psz_string );
 693
 694     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 695     if( val.i_int )
 696     {
 697         for( i = 0; i < p_sys->i_num_pmt; i++ )
 698             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 699     }
 700     else
 701     {
 702         for( i = 0; i < p_sys->i_num_pmt; i++ )
 703             p_sys->pmt[i].i_pid = 0x42 + i;
 704     }
 705
 706     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 707
 708     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 709     p_sys->i_pid_video = val.i_int;
 710     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 711     {
 712         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 713     }
 714
 715     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 716     p_sys->i_pid_audio = val.i_int;
 717     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 718     {
 719         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 720     }
 721
 722     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 723     p_sys->i_pid_spu = val.i_int;
 724     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 725     {
 726         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 727     }
 728
 729     p_sys->i_pcr_pid = 0x1fff;
 730     p_sys->p_pcr_input = NULL;
 731
 732     p_sys->i_mpeg4_streams = 0;
 733
 734     p_sys->i_null_continuity_counter = 0;
 735
 736     /* Allow to create constrained stream */
 737     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 738     p_sys->i_bitrate_min = val.i_int;
 739
 740     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 741     p_sys->i_bitrate_max = val.i_int;
 742
 743     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 744         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 745     {
 746         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 747                  "disabling bitrate control" );
 748         p_sys->i_bitrate_min = 0;
 749         p_sys->i_bitrate_max = 0;
 750     }
 751     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 752     {
 753         msg_Err( p_mux, "bmin and bmax no more supported "
 754                  "(if you need them report it)" );
 755     }
 756
 757     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 758     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 759     if( p_sys->i_shaping_delay <= 0 )
 760     {
 761         msg_Err( p_mux,
 762                  "invalid shaping (%"PRId64"ms) resetting to 200ms",
 763                  p_sys->i_shaping_delay / 1000 );
 764         p_sys->i_shaping_delay = 200000;
 765     }
 766
 767     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 768     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 769     if( p_sys->i_pcr_delay <= 0 ||
 770         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 771     {
 772         msg_Err( p_mux,
 773                  "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
 774                  p_sys->i_pcr_delay / 1000 );
 775         p_sys->i_pcr_delay = 70000;
 776     }
 777
 778     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 779     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 780
 781     msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
 782              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 783
 784     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 785     p_sys->b_use_key_frames = val.b_bool;
 786
 787     /* for TS generation */
 788     p_sys->i_pcr    = 0;
 789
 790     p_sys->csa      = NULL;
 791     var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 792     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 793     if( val.psz_string && *val.psz_string )
 794     {
 795         int i_res;
 796         vlc_value_t csa2;
 797
 798         p_sys->csa = csa_New();
 799
 800         var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 801         var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
 802         i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
 803         if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
 804         {
 805             if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
 806             {
 807                 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 808             }
 809         }
 810         else if( i_res == VLC_SUCCESS )
 811         {
 812             csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 813         }
 814         else
 815         {
 816             csa_Delete( p_sys->csa );
 817             p_sys->csa = NULL;
 818         }
 819
 820         if( p_sys->csa )
 821         {
 822             vlc_value_t use_val, pkt_val;
 823
 824             var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 825             var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
 826             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 827             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
 828             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 829
 830             if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
 831             {
 832                 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
 833             }
 834             free( use_val.psz_string );
 835
 836             var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 837             if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 838             {
 839                 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 840                 msg_Warn( p_mux, "using default packet size of 188 bytes" );
 841                 p_sys->i_csa_pkt_size = 188;
 842             }
 843             else p_sys->i_csa_pkt_size = pkt_val.i_int;
 844             msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 845         }
 846         free( csa2.psz_string );
 847     }
 848     free( val.psz_string );
 849
 850     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 851     p_sys->b_crypt_audio = val.b_bool;
 852
 853     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
 854     p_sys->b_crypt_video = val.b_bool;
 855
 856     return VLC_SUCCESS;
 857 }
 858
 859 /*****************************************************************************
 860  * Close:
 861  *****************************************************************************/
 862 static void Close( vlc_object_t * p_this )
 863 {
 864     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 865     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 866     int i;
 867
 868     vlc_mutex_lock( &p_sys->csa_lock );
 869     if( p_sys->csa )
 870     {
 871         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
 872         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 873         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 874         csa_Delete( p_sys->csa );
 875         p_sys->csa = NULL;
 876     }
 877     vlc_mutex_unlock( &p_sys->csa_lock );
 878
 879     for( i = 0; i < MAX_PMT; i++ )
 880     {
 881         free( p_sys->sdt_descriptors[i].psz_service_name );
 882         free( p_sys->sdt_descriptors[i].psz_provider );
 883     }
 884
 885     vlc_mutex_destroy( &p_sys->csa_lock );
 886     free( p_sys->dvbpmt );
 887     free( p_sys );
 888 }
 889
 890 /*****************************************************************************
 891  * ChangeKeyCallback: called when changing the odd encryption key on the fly.
 892  *****************************************************************************/
 893 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 894                            vlc_value_t oldval, vlc_value_t newval,
 895                            void *p_data )
 896 {
 897     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 898     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 899     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 900     int ret;
 901
 902     vlc_mutex_lock( &p_sys->csa_lock );
 903     ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
 904                      !!(intptr_t)p_data );
 905     vlc_mutex_unlock( &p_sys->csa_lock );
 906
 907     return ret;
 908 }
 909
 910 /*****************************************************************************
 911  * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
 912  *****************************************************************************/
 913 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 914                            vlc_value_t oldval, vlc_value_t newval,
 915                            void *p_data )
 916 {
 917     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
 918     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 919     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 920     int             i_res = VLC_EBADVAR;
 921
 922     vlc_mutex_lock( &p_sys->csa_lock );
 923     if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
 924     {
 925         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
 926     }
 927     else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
 928     {
 929         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
 930     }
 931     vlc_mutex_unlock( &p_sys->csa_lock );
 932
 933     return i_res;
 934 }
 935
 936 /*****************************************************************************
 937  * Control:
 938  *****************************************************************************/
 939 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 940 {
 941     VLC_UNUSED(p_mux);
 942     bool *pb_bool;
 943     char **ppsz;
 944
 945     switch( i_query )
 946     {
 947         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 948             pb_bool = (bool*)va_arg( args, bool * );
 949             *pb_bool = true;
 950             return VLC_SUCCESS;
 951
 952         case MUX_GET_ADD_STREAM_WAIT:
 953             pb_bool = (bool*)va_arg( args, bool * );
 954             *pb_bool = false;
 955             return VLC_SUCCESS;
 956
 957         case MUX_GET_MIME:
 958             ppsz = (char**)va_arg( args, char ** );
 959             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 960             return VLC_SUCCESS;
 961
 962         default:
 963             return VLC_EGENERIC;
 964     }
 965 }
 966
 967 /*****************************************************************************
 968  * AddStream: called for each stream addition
 969  *****************************************************************************/
 970 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 971 {
 972     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 973     ts_stream_t         *p_stream;
 974     int                  i;
 975
 976     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 977     if( !p_input->p_sys )
 978         return VLC_ENOMEM;
 979
 980     /* Init this new stream */
 981     if ( p_sys->b_es_id_pid )
 982         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 983     else
 984         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 985     p_stream->i_codec = p_input->p_fmt->i_codec;
 986     p_stream->i_continuity_counter    = 0;
 987     p_stream->b_discontinuity         = false;
 988     p_stream->i_decoder_specific_info = 0;
 989     p_stream->p_decoder_specific_info = NULL;
 990
 991     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 992              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 993
 994     /* All others fields depand on codec */
 995     switch( p_input->p_fmt->i_cat )
 996     {
 997         case VIDEO_ES:
 998             switch( p_input->p_fmt->i_codec )
 999             {
1000                 case VLC_CODEC_MPGV:
1001                     /* TODO: do we need to check MPEG-I/II ? */
1002                     p_stream->i_stream_type = 0x02;
1003                     p_stream->i_stream_id = 0xe0;
1004                     break;
1005                 case VLC_CODEC_MP4V:
1006                     p_stream->i_stream_type = 0x10;
1007                     p_stream->i_stream_id = 0xe0;
1008                     p_stream->i_es_id = p_stream->i_pid;
1009                     break;
1010                 case VLC_CODEC_H264:
1011                     p_stream->i_stream_type = 0x1b;
1012                     p_stream->i_stream_id = 0xe0;
1013                     break;
1014                 /* XXX dirty dirty but somebody want that:
1015                  *     using crapy MS-codec XXX */
1016                 /* I didn't want to do that :P */
1017                 case VLC_CODEC_H263I:
1018                 case VLC_CODEC_H263:
1019                 case VLC_CODEC_WMV3:
1020                 case VLC_CODEC_WMV2:
1021                 case VLC_CODEC_WMV1:
1022                 case VLC_CODEC_DIV3:
1023                 case VLC_CODEC_DIV2:
1024                 case VLC_CODEC_DIV1:
1025                 case VLC_CODEC_MJPG:
1026                     p_stream->i_stream_type = 0xa0; /* private */
1027                     p_stream->i_stream_id = 0xa0;   /* beurk */
1028                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
1029                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
1030                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1031                     break;
1032                 case VLC_CODEC_DIRAC:
1033                     /* stream_id makes use of stream_id_extension */
1034                     p_stream->i_stream_id = (PES_EXTENDED_STREAM_ID << 8) | 0x60;
1035                     p_stream->i_stream_type = 0xd1;
1036                     break;
1037                 default:
1038                     free( p_stream );
1039                     return VLC_EGENERIC;
1040             }
1041             p_sys->i_video_bound++;
1042             break;
1043
1044         case AUDIO_ES:
1045             switch( p_input->p_fmt->i_codec )
1046             {
1047                 case VLC_CODEC_MPGA:
1048                     p_stream->i_stream_type =
1049                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1050                     p_stream->i_stream_id = 0xc0;
1051                     break;
1052                 case VLC_CODEC_A52:
1053                     p_stream->i_stream_type = 0x81;
1054                     p_stream->i_stream_id = 0xbd;
1055                     break;
1056                 case VLC_CODEC_EAC3:
1057                     p_stream->i_stream_type = 0x06;
1058                     p_stream->i_stream_id = 0xbd;
1059                     break;
1060                 case VLC_CODEC_DVD_LPCM:
1061                     p_stream->i_stream_type = 0x83;
1062                     p_stream->i_stream_id = 0xbd;
1063                     break;
1064                 case VLC_CODEC_DTS:
1065                     p_stream->i_stream_type = 0x06;
1066                     p_stream->i_stream_id = 0xbd;
1067                     break;
1068                 case VLC_CODEC_MP4A:
1069                     /* XXX: make that configurable in some way when LOAS
1070                      * is implemented for AAC in TS */
1071                     //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1072                     p_stream->i_stream_type = 0x0f; /* ADTS */
1073                     p_stream->i_stream_id = 0xc0;
1074                     p_sys->i_mpeg4_streams++;
1075                     p_stream->i_es_id = p_stream->i_pid;
1076                     break;
1077                 default:
1078                     free( p_stream );
1079                     return VLC_EGENERIC;
1080             }
1081             p_sys->i_audio_bound++;
1082             break;
1083
1084         case SPU_ES:
1085             switch( p_input->p_fmt->i_codec )
1086             {
1087                 case VLC_CODEC_SPU:
1088                     p_stream->i_stream_type = 0x82;
1089                     p_stream->i_stream_id = 0xbd;
1090                     break;
1091                 case VLC_CODEC_SUBT:
1092                     p_stream->i_stream_type = 0x12;
1093                     p_stream->i_stream_id = 0xfa;
1094                     p_sys->i_mpeg4_streams++;
1095                     p_stream->i_es_id = p_stream->i_pid;
1096                     break;
1097                 case VLC_CODEC_DVBS:
1098                     p_stream->i_stream_type = 0x06;
1099                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1100                     p_stream->i_stream_id = 0xbd;
1101                     break;
1102                 case VLC_CODEC_TELETEXT:
1103                     p_stream->i_stream_type = 0x06;
1104                     p_stream->i_stream_id = 0xbd; /* FIXME */
1105                     break;
1106                 default:
1107                     free( p_stream );
1108                     return VLC_EGENERIC;
1109             }
1110             break;
1111
1112         default:
1113             free( p_stream );
1114             return VLC_EGENERIC;
1115     }
1116
1117     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1118     p_stream->lang = malloc(p_stream->i_langs*3);
1119     if( !p_stream->lang )
1120     {
1121         p_stream->i_langs = 0;
1122         free( p_stream );
1123         return VLC_ENOMEM;
1124     }
1125     i = 1;
1126     p_stream->lang[0] =
1127     p_stream->lang[1] =
1128     p_stream->lang[2] = '\0';
1129     if( p_input->p_fmt->psz_language )
1130     {
1131         char *psz = p_input->p_fmt->psz_language;
1132         const iso639_lang_t *pl = NULL;
1133
1134         if( strlen( psz ) == 2 )
1135         {
1136             pl = GetLang_1( psz );
1137         }
1138         else if( strlen( psz ) == 3 )
1139         {
1140             pl = GetLang_2B( psz );
1141             if( !strcmp( pl->psz_iso639_1, "??" ) )
1142             {
1143                 pl = GetLang_2T( psz );
1144             }
1145         }
1146         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1147         {
1148             p_stream->lang[0] = pl->psz_iso639_2T[0];
1149             p_stream->lang[1] = pl->psz_iso639_2T[1];
1150             p_stream->lang[2] = pl->psz_iso639_2T[2];
1151
1152             msg_Dbg( p_mux, "    - lang=%c%c%c",
1153                      p_stream->lang[0], p_stream->lang[1],
1154                      p_stream->lang[2] );
1155         }
1156     }
1157     while( i < p_stream->i_langs ) {
1158         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1159         {
1160             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1161             const iso639_lang_t *pl = NULL;
1162
1163             if( strlen( psz ) == 2 )
1164             {
1165                 pl = GetLang_1( psz );
1166             }
1167             else if( strlen( psz ) == 3 )
1168             {
1169                 pl = GetLang_2B( psz );
1170                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1171                 {
1172                     pl = GetLang_2T( psz );
1173                 }
1174             }
1175             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1176             {
1177                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1178                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1179                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1180
1181                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1182                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1183                          p_stream->lang[i*3+2] );
1184             }
1185         }
1186         i++;
1187     }
1188
1189     /* Create decoder specific info for subt */
1190     if( p_stream->i_codec == VLC_CODEC_SUBT )
1191     {
1192         uint8_t *p;
1193
1194         p_stream->i_decoder_specific_info = 55;
1195         p_stream->p_decoder_specific_info = p =
1196             malloc( p_stream->i_decoder_specific_info );
1197         if( p )
1198         {
1199             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1200             p[1] = 0x00;    /* flags: 1b: associated video info flag
1201                                     3b: reserved
1202                                     1b: duration flag
1203                                     3b: reserved */
1204             p[2] = 52;      /* remaining size */
1205
1206             p += 3;
1207
1208             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1209             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1210             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1211
1212             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1213             *p++ = 0xff;                    /* background a */
1214
1215             p[0] = p[1] = 0; p += 2;        /* text box top */
1216             p[0] = p[1] = 0; p += 2;        /* text box left */
1217             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1218             p[0] = p[1] = 0; p += 2;        /* text box right */
1219
1220             p[0] = p[1] = 0; p += 2;        /* start char */
1221             p[0] = p[1] = 0; p += 2;        /* end char */
1222             p[0] = p[1] = 0; p += 2;        /* default font id */
1223
1224             *p++ = 0;                       /* font style flags */
1225             *p++ = 12;                      /* font size */
1226
1227             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1228             *p++ = 0x00;                    /* foreground a */
1229
1230             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1231             memcpy( p, "ftab", 4 ); p += 4;
1232             *p++ = 0; *p++ = 1;             /* entry count */
1233             p[0] = p[1] = 0; p += 2;        /* font id */
1234             *p++ = 9;                       /* font name length */
1235             memcpy( p, "Helvetica", 9 );    /* font name */
1236         }
1237         else p_stream->i_decoder_specific_info = 0;
1238     }
1239     else
1240     {
1241         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1242         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1243         if( p_stream->i_decoder_specific_info > 0 )
1244         {
1245             p_stream->p_decoder_specific_info =
1246                 malloc( p_stream->i_decoder_specific_info );
1247             if( p_stream->p_decoder_specific_info )
1248             {
1249                 memcpy( p_stream->p_decoder_specific_info,
1250                         p_input->p_fmt->p_extra,
1251                         p_input->p_fmt->i_extra );
1252             }
1253             else p_stream->i_decoder_specific_info = 0;
1254         }
1255     }
1256
1257     /* Init pes chain */
1258     BufferChainInit( &p_stream->chain_pes );
1259     p_stream->i_pes_dts    = 0;
1260     p_stream->i_pes_length = 0;
1261     p_stream->i_pes_used   = 0;
1262     p_stream->b_key_frame  = 0;
1263
1264     /* We only change PMT version (PAT isn't changed) */
1265     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1266
1267     /* Update pcr_pid */
1268     if( p_input->p_fmt->i_cat != SPU_ES &&
1269         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1270     {
1271         if( p_sys->p_pcr_input )
1272         {
1273             /* There was already a PCR stream, so clean context */
1274             /* FIXME */
1275         }
1276         p_sys->i_pcr_pid   = p_stream->i_pid;
1277         p_sys->p_pcr_input = p_input;
1278
1279         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1280     }
1281
1282     return VLC_SUCCESS;
1283 }
1284
1285 /*****************************************************************************
1286  * DelStream: called before a stream deletion
1287  *****************************************************************************/
1288 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1289 {
1290     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1291     ts_stream_t     *p_stream;
1292     vlc_value_t     val;
1293
1294     p_stream = (ts_stream_t*)p_input->p_sys;
1295     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1296
1297     if( p_sys->i_pcr_pid == p_stream->i_pid )
1298     {
1299         int i;
1300
1301         /* Find a new pcr stream (Prefer Video Stream) */
1302         p_sys->i_pcr_pid = 0x1fff;
1303         p_sys->p_pcr_input = NULL;
1304         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1305         {
1306             if( p_mux->pp_inputs[i] == p_input )
1307             {
1308                 continue;
1309             }
1310
1311             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1312             {
1313                 p_sys->i_pcr_pid  =
1314                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1315                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1316                 break;
1317             }
1318             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1319                      p_sys->i_pcr_pid == 0x1fff )
1320             {
1321                 p_sys->i_pcr_pid  =
1322                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1323                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1324             }
1325         }
1326         if( p_sys->p_pcr_input )
1327         {
1328             /* Empty TS buffer */
1329             /* FIXME */
1330         }
1331         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1332     }
1333
1334     /* Empty all data in chain_pes */
1335     BufferChainClean( &p_stream->chain_pes );
1336
1337     free(p_stream->lang);
1338     free( p_stream->p_decoder_specific_info );
1339     if( p_stream->i_stream_id == 0xfa ||
1340         p_stream->i_stream_id == 0xfb ||
1341         p_stream->i_stream_id == 0xfe )
1342     {
1343         p_sys->i_mpeg4_streams--;
1344     }
1345
1346     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1347     if( val.i_int > 0 )
1348     {
1349         int i_pid_video = val.i_int;
1350         if ( i_pid_video == p_stream->i_pid )
1351         {
1352             p_sys->i_pid_video = i_pid_video;
1353             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1354         }
1355     }
1356     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1357     if( val.i_int > 0 )
1358     {
1359         int i_pid_audio = val.i_int;
1360         if ( i_pid_audio == p_stream->i_pid )
1361         {
1362             p_sys->i_pid_audio = i_pid_audio;
1363             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1364         }
1365     }
1366     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1367     if( val.i_int > 0 )
1368     {
1369         int i_pid_spu = val.i_int;
1370         if ( i_pid_spu == p_stream->i_pid )
1371         {
1372             p_sys->i_pid_spu = i_pid_spu;
1373             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1374         }
1375     }
1376     free( p_stream );
1377
1378     /* We only change PMT version (PAT isn't changed) */
1379     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1380
1381     return VLC_SUCCESS;
1382 }
1383
1384 /*****************************************************************************
1385  * Mux: Call each time there is new data for at least one stream
1386  *****************************************************************************
1387  *
1388  *****************************************************************************/
1389 static int Mux( sout_mux_t *p_mux )
1390 {
1391     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1392     ts_stream_t     *p_pcr_stream;
1393
1394     if( p_sys->i_pcr_pid == 0x1fff )
1395     {
1396         int i;
1397         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1398         {
1399             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1400         }
1401         msg_Dbg( p_mux, "waiting for PCR streams" );
1402         return VLC_SUCCESS;
1403     }
1404     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1405
1406     for( ;; )
1407     {
1408         sout_buffer_chain_t chain_ts;
1409         int                 i_packet_count;
1410         int                 i_packet_pos;
1411         mtime_t             i_pcr_dts;
1412         mtime_t             i_pcr_length;
1413         mtime_t             i_shaping_delay;
1414         int i;
1415
1416         if( p_pcr_stream->b_key_frame )
1417         {
1418             i_shaping_delay = p_pcr_stream->i_pes_length;
1419         }
1420         else
1421         {
1422             i_shaping_delay = p_sys->i_shaping_delay;
1423         }
1424
1425         /* 1: get enough PES packet for all input */
1426         for( ;; )
1427         {
1428             bool b_ok = true;
1429             block_t *p_data;
1430
1431             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1432             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1433             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1434             {
1435                 sout_input_t *p_input;
1436                 ts_stream_t *p_stream;
1437                 int64_t i_spu_delay = 0;
1438
1439                 if( i == -1 )
1440                     p_input = p_sys->p_pcr_input;
1441                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1442                     continue;
1443                 else
1444                     p_input = p_mux->pp_inputs[i];
1445                 p_stream = (ts_stream_t*)p_input->p_sys;
1446
1447                 if( ( ( p_stream == p_pcr_stream ) &&
1448                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1449                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1450                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1451                 {
1452                     /* Need more data */
1453                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1454                     {
1455                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1456                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1457                         {
1458                             /* We need more data */
1459                             return VLC_SUCCESS;
1460                         }
1461                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1462                         {
1463                             /* spu, only one packet is needed */
1464                             continue;
1465                         }
1466                         else if( p_input->p_fmt->i_cat == SPU_ES )
1467                         {
1468                             /* Don't mux the SPU yet if it is too early */
1469                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1470
1471                             i_spu_delay =
1472                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1473
1474                             if( ( i_spu_delay > i_shaping_delay ) &&
1475                                 ( i_spu_delay < INT64_C(100000000) ) )
1476                                 continue;
1477
1478                             if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1479                                  ( i_spu_delay < INT64_C(10000) ) )
1480                             {
1481                                 BufferChainClean( &p_stream->chain_pes );
1482                                 p_stream->i_pes_dts = 0;
1483                                 p_stream->i_pes_used = 0;
1484                                 p_stream->i_pes_length = 0;
1485                                 continue;
1486                             }
1487                         }
1488                     }
1489                     b_ok = false;
1490
1491                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1492                          || p_input->p_fmt->i_codec !=
1493                              VLC_CODEC_MPGA )
1494                     {
1495                         p_data = block_FifoGet( p_input->p_fifo );
1496
1497                         if( p_input->p_fmt->i_codec ==
1498                                 VLC_CODEC_MP4A )
1499                             p_data = Add_ADTS( p_data, p_input->p_fmt );
1500                     }
1501                     else
1502                         p_data = FixPES( p_mux, p_input->p_fifo );
1503
1504                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1505                         p_input->p_fmt->i_cat != SPU_ES )
1506                     {
1507                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1508                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1509                     }
1510                     else if( p_input->p_fmt->i_codec !=
1511                                VLC_CODEC_SUBT )
1512                         p_data->i_length = 1000;
1513
1514                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1515                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1516                           p_pcr_stream->i_pes_length ) ||
1517                         p_data->i_dts < p_stream->i_pes_dts ||
1518                         ( p_stream->i_pes_dts > 0 &&
1519                           p_input->p_fmt->i_cat != SPU_ES &&
1520                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1521                           p_stream->i_pes_length ) )
1522                     {
1523                         msg_Warn( p_mux, "packet with too strange dts "
1524                                   "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1525                                   p_data->i_dts, p_stream->i_pes_dts,
1526                                   p_pcr_stream->i_pes_dts );
1527                         block_Release( p_data );
1528
1529                         BufferChainClean( &p_stream->chain_pes );
1530                         p_stream->i_pes_dts = 0;
1531                         p_stream->i_pes_used = 0;
1532                         p_stream->i_pes_length = 0;
1533
1534                         if( p_input->p_fmt->i_cat != SPU_ES )
1535                         {
1536                             BufferChainClean( &p_pcr_stream->chain_pes );
1537                             p_pcr_stream->i_pes_dts = 0;
1538                             p_pcr_stream->i_pes_used = 0;
1539                             p_pcr_stream->i_pes_length = 0;
1540                         }
1541                     }
1542                     else
1543                     {
1544                         int i_header_size = 0;
1545                         int i_max_pes_size = 0;
1546                         int b_data_alignment = 0;
1547                         if( p_input->p_fmt->i_cat == SPU_ES )
1548                         {
1549                             if( p_input->p_fmt->i_codec ==
1550                                 VLC_CODEC_SUBT )
1551                             {
1552                                 /* Prepend header */
1553                                 p_data = block_Realloc( p_data, 2,
1554                                                         p_data->i_buffer );
1555                                 p_data->p_buffer[0] =
1556                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1557                                 p_data->p_buffer[1] =
1558                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1559
1560                                 /* remove trailling \0 if any */
1561                                 if( p_data->i_buffer > 2 &&
1562                                     p_data->p_buffer[p_data->i_buffer -1] ==
1563                                     '\0' )
1564                                     p_data->i_buffer--;
1565
1566                                 /* Append a empty sub (sub text only) */
1567                                 if( p_data->i_length > 0 &&
1568                                     !( p_data->i_buffer == 1 &&
1569                                        *p_data->p_buffer == ' ' ) )
1570                                 {
1571                                     block_t *p_spu = block_New( p_mux, 3 );
1572
1573                                     p_spu->i_dts = p_spu->i_pts =
1574                                         p_data->i_dts + p_data->i_length;
1575                                     p_spu->i_length = 1000;
1576
1577                                     p_spu->p_buffer[0] = 0;
1578                                     p_spu->p_buffer[1] = 1;
1579                                     p_spu->p_buffer[2] = ' ';
1580
1581                                     EStoPES( p_mux->p_sout, &p_spu, p_spu,
1582                                                  p_input->p_fmt,
1583                                                  p_stream->i_stream_id, 1,
1584                                                  0, 0, 0 );
1585                                     p_data->p_next = p_spu;
1586                                 }
1587                             }
1588                             else if( p_input->p_fmt->i_codec ==
1589                                        VLC_CODEC_TELETEXT )
1590                             {
1591                                 /* EN 300 472 */
1592                                 i_header_size = 0x24;
1593                                 b_data_alignment = 1;
1594                             }
1595                             else if( p_input->p_fmt->i_codec ==
1596                                        VLC_CODEC_DVBS )
1597                             {
1598                                 /* EN 300 743 */
1599                                 b_data_alignment = 1;
1600                             }
1601                         }
1602                         else if( p_data->i_length < 0 ||
1603                                  p_data->i_length > 2000000 )
1604                         {
1605                             /* FIXME choose a better value, but anyway we
1606                              * should never have to do that */
1607                             p_data->i_length = 1000;
1608                         }
1609
1610                         p_stream->i_pes_length += p_data->i_length;
1611                         if( p_stream->i_pes_dts == 0 )
1612                         {
1613                             p_stream->i_pes_dts = p_data->i_dts;
1614                         }
1615
1616                         /* Convert to pes */
1617                         if( p_stream->i_stream_id == 0xa0 &&
1618                             p_data->i_pts <= 0 )
1619                         {
1620                             /* XXX yes I know, it's awful, but it's needed,
1621                              * so don't remove it ... */
1622                             p_data->i_pts = p_data->i_dts;
1623                         }
1624
1625                         if( p_input->p_fmt->i_codec ==
1626                                    VLC_CODEC_DIRAC )
1627                         {
1628                             b_data_alignment = 1;
1629                             /* dirac pes packets should be unbounded in
1630                              * length, specify a suitibly large max size */
1631                             i_max_pes_size = INT_MAX;
1632                         }
1633
1634                          EStoPES ( p_mux->p_sout, &p_data, p_data,
1635                                        p_input->p_fmt, p_stream->i_stream_id,
1636                                        1, b_data_alignment, i_header_size,
1637                                        i_max_pes_size );
1638
1639                         BufferChainAppend( &p_stream->chain_pes, p_data );
1640
1641                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1642                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1643                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1644                             && (p_stream->i_pes_length > 400000) )
1645                         {
1646                             i_shaping_delay = p_stream->i_pes_length;
1647                             p_stream->b_key_frame = 1;
1648                         }
1649                     }
1650                 }
1651             }
1652
1653             if( b_ok )
1654             {
1655                 break;
1656             }
1657         }
1658
1659         /* save */
1660         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1661         i_pcr_length   = p_pcr_stream->i_pes_length;
1662         p_pcr_stream->b_key_frame = 0;
1663
1664         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1665         /* 2: calculate non accurate total size of muxed ts */
1666         i_packet_count = 0;
1667         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1668         {
1669             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1670             block_t *p_pes;
1671
1672             /* False for pcr stream but it will be enough to do PCR algo */
1673             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1674                  p_pes = p_pes->p_next )
1675             {
1676                 int i_size = p_pes->i_buffer;
1677                 if( p_pes->i_dts + p_pes->i_length >
1678                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1679                 {
1680                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1681                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1682                     if( i_frag < 0 )
1683                     {
1684                         /* Next stream */
1685                         break;
1686                     }
1687                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1688                 }
1689                 i_packet_count += ( i_size + 183 ) / 184;
1690             }
1691         }
1692         /* add overhead for PCR (not really exact) */
1693         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1694
1695         /* 3: mux PES into TS */
1696         BufferChainInit( &chain_ts );
1697         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1698         GetPAT( p_mux, &chain_ts );
1699         GetPMT( p_mux, &chain_ts );
1700         i_packet_pos = 0;
1701         i_packet_count += chain_ts.i_depth;
1702         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1703
1704         for( ;; )
1705         {
1706             int          i_stream;
1707             mtime_t      i_dts;
1708             ts_stream_t  *p_stream;
1709             sout_input_t *p_input;
1710             block_t      *p_ts;
1711             bool         b_pcr;
1712
1713             /* Select stream (lowest dts) */
1714             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1715             {
1716                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1717
1718                 if( p_stream->i_pes_dts == 0 )
1719                 {
1720                     continue;
1721                 }
1722
1723                 if( i_stream == -1 ||
1724                     p_stream->i_pes_dts < i_dts )
1725                 {
1726                     i_stream = i;
1727                     i_dts = p_stream->i_pes_dts;
1728                 }
1729             }
1730             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1731             {
1732                 break;
1733             }
1734             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1735             p_input = p_mux->pp_inputs[i_stream];
1736
1737             /* do we need to issue pcr */
1738             b_pcr = false;
1739             if( p_stream == p_pcr_stream &&
1740                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1741                 p_sys->i_pcr + p_sys->i_pcr_delay )
1742             {
1743                 b_pcr = true;
1744                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1745                     i_pcr_length / i_packet_count;
1746             }
1747
1748             /* Build the TS packet */
1749             p_ts = TSNew( p_mux, p_stream, b_pcr );
1750             if( p_sys->csa != NULL &&
1751                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1752                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1753             {
1754                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1755             }
1756             i_packet_pos++;
1757
1758             /* */
1759             BufferChainAppend( &chain_ts, p_ts );
1760         }
1761
1762         /* 4: date and send */
1763         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1764     }
1765 }
1766
1767 #define STD_PES_PAYLOAD 170
1768 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1769 {
1770     VLC_UNUSED(p_mux);
1771     block_t *p_data;
1772     size_t i_size;
1773
1774     p_data = block_FifoShow( p_fifo );
1775     i_size = p_data->i_buffer;
1776
1777     if( i_size == STD_PES_PAYLOAD )
1778     {
1779         return block_FifoGet( p_fifo );
1780     }
1781     else if( i_size > STD_PES_PAYLOAD )
1782     {
1783         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1784         vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1785         p_new->i_pts = p_data->i_pts;
1786         p_new->i_dts = p_data->i_dts;
1787         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1788                             / p_data->i_buffer;
1789         p_data->i_buffer -= STD_PES_PAYLOAD;
1790         p_data->p_buffer += STD_PES_PAYLOAD;
1791         p_data->i_pts += p_new->i_length;
1792         p_data->i_dts += p_new->i_length;
1793         p_data->i_length -= p_new->i_length;
1794         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1795         return p_new;
1796     }
1797     else
1798     {
1799         block_t *p_next;
1800         int i_copy;
1801
1802         p_data = block_FifoGet( p_fifo );
1803         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1804         p_next = block_FifoShow( p_fifo );
1805         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1806         {
1807             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1808             p_data->i_pts = p_next->i_pts;
1809             p_data->i_dts = p_next->i_dts;
1810         }
1811         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1812
1813         vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1814         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1815         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1816         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1817         p_next->i_buffer -= i_copy;
1818         p_next->p_buffer += i_copy;
1819         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1820
1821         if( !p_next->i_buffer )
1822         {
1823             p_next = block_FifoGet( p_fifo );
1824             block_Release( p_next );
1825         }
1826         return p_data;
1827     }
1828 }
1829
1830 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1831 {
1832     uint8_t *p_extra = p_fmt->p_extra;
1833
1834     if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1835         return p_data; /* no data to construct the headers */
1836
1837     int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1838     int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1839
1840     if( i_index == 0x0f && p_fmt->i_extra < 5 )
1841         return p_data; /* not enough data */
1842
1843     int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1844
1845 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1846
1847
1848     /* keep a copy in case block_Realloc() fails */
1849     block_t *p_bak_block = block_Duplicate( p_data );
1850     if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1851         return p_data; /* the frame isn't correct but that's the best we have */
1852
1853     block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1854                                             p_data->i_buffer );
1855     if( !p_new_block )
1856         return p_bak_block; /* OOM, send the (incorrect) original frame */
1857
1858     block_Release( p_bak_block ); /* we don't need the copy anymore */
1859
1860
1861     uint8_t *p_buffer = p_new_block->p_buffer;
1862
1863     /* fixed header */
1864     p_buffer[0] = 0xff;
1865     p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1866     p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1867     p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1868
1869     /* variable header (starts at last 2 bits of 4th byte) */
1870
1871     int i_fullness = 0x7ff; /* 0x7ff means VBR */
1872     /* XXX: We should check if it's CBR or VBR, but no known implementation
1873      * do that, and it's a pain to calculate this field */
1874
1875     p_buffer[4] = p_data->i_buffer >> 3;
1876     p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1877     p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1878
1879     return p_new_block;
1880 }
1881
1882 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1883                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1884 {
1885     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1886     sout_buffer_chain_t new_chain;
1887     int i_packet_count = p_chain_ts->i_depth;
1888     int i;
1889
1890     BufferChainInit( &new_chain );
1891
1892     if ( i_pcr_length <= 0 )
1893     {
1894         i_pcr_length = i_packet_count;
1895     }
1896
1897     for( i = 0; i < i_packet_count; i++ )
1898     {
1899         block_t *p_ts = BufferChainGet( p_chain_ts );
1900         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1901
1902         BufferChainAppend( &new_chain, p_ts );
1903
1904         if( p_ts->i_dts &&
1905             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1906         {
1907             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1908             mtime_t i_cut_dts = p_ts->i_dts;
1909
1910             p_ts = BufferChainPeek( p_chain_ts );
1911             i++;
1912             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1913             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1914             {
1915                 p_ts = BufferChainGet( p_chain_ts );
1916                 i_max_diff = i_new_dts - p_ts->i_dts;
1917                 i_cut_dts = p_ts->i_dts;
1918                 BufferChainAppend( &new_chain, p_ts );
1919
1920                 p_ts = BufferChainPeek( p_chain_ts );
1921                 i++;
1922                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1923             }
1924             msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1925                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1926                      p_chain_ts->i_depth );
1927             if ( new_chain.i_depth )
1928                 TSDate( p_mux, &new_chain,
1929                         i_cut_dts - i_pcr_dts,
1930                         i_pcr_dts );
1931             if ( p_chain_ts->i_depth )
1932                 TSSchedule( p_mux,
1933                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1934                             i_cut_dts );
1935             return;
1936         }
1937     }
1938
1939     if ( new_chain.i_depth )
1940         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1941 }
1942
1943 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1944                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1945 {
1946     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1947     int i_packet_count = p_chain_ts->i_depth;
1948     int i;
1949
1950     if ( i_pcr_length / 1000 > 0 )
1951     {
1952         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1953                           / (uint64_t)(i_pcr_length / 1000);
1954         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1955         {
1956             msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1957                       " (%d bi/s for %d pkt in %"PRId64" us)",
1958                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1959                       i_bitrate, i_packet_count, i_pcr_length);
1960         }
1961 #if 0
1962         else
1963         {
1964             msg_Dbg( p_mux, "starting at %"PRId64
1965                      " (%d bi/s for %d packets in %"PRId64" us)",
1966                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1967                      i_bitrate, i_packet_count, i_pcr_length);
1968         }
1969 #endif
1970     }
1971     else
1972     {
1973         /* This shouldn't happen, but happens in some rare heavy load
1974          * and packet losses conditions. */
1975         i_pcr_length = i_packet_count;
1976     }
1977
1978     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1979     for( i = 0; i < i_packet_count; i++ )
1980     {
1981         block_t *p_ts = BufferChainGet( p_chain_ts );
1982         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1983
1984         p_ts->i_dts    = i_new_dts;
1985         p_ts->i_length = i_pcr_length / i_packet_count;
1986
1987         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1988         {
1989             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1990             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1991         }
1992         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1993         {
1994             vlc_mutex_lock( &p_sys->csa_lock );
1995             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1996             vlc_mutex_unlock( &p_sys->csa_lock );
1997         }
1998
1999         /* latency */
2000         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
2001
2002         sout_AccessOutWrite( p_mux->p_access, p_ts );
2003     }
2004 }
2005
2006 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
2007                        bool b_pcr )
2008 {
2009     VLC_UNUSED(p_mux);
2010     block_t *p_pes = p_stream->chain_pes.p_first;
2011     block_t *p_ts;
2012
2013     bool b_new_pes = false;
2014     bool b_adaptation_field = false;
2015
2016     int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2017     int i_payload;
2018
2019     if( p_stream->i_pes_used <= 0 )
2020     {
2021         b_new_pes = true;
2022     }
2023     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2024                        i_payload_max );
2025
2026     if( b_pcr || i_payload < i_payload_max )
2027     {
2028         b_adaptation_field = true;
2029     }
2030
2031     p_ts = block_New( p_mux, 188 );
2032     p_ts->i_dts = p_pes->i_dts;
2033
2034     p_ts->p_buffer[0] = 0x47;
2035     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2036         ( ( p_stream->i_pid >> 8 )&0x1f );
2037     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2038     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2039         p_stream->i_continuity_counter;
2040
2041     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2042     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2043
2044     if( b_adaptation_field )
2045     {
2046         int i;
2047
2048         if( b_pcr )
2049         {
2050             int     i_stuffing = i_payload_max - i_payload;
2051
2052             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2053
2054             p_ts->p_buffer[4] = 7 + i_stuffing;
2055             p_ts->p_buffer[5] = 0x10;   /* flags */
2056             if( p_stream->b_discontinuity )
2057             {
2058                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2059                 p_stream->b_discontinuity = false;
2060             }
2061             p_ts->p_buffer[6] = ( 0 )&0xff;
2062             p_ts->p_buffer[7] = ( 0 )&0xff;
2063             p_ts->p_buffer[8] = ( 0 )&0xff;
2064             p_ts->p_buffer[9] = ( 0 )&0xff;
2065             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2066             p_ts->p_buffer[11]= 0;
2067
2068             for( i = 12; i < 12 + i_stuffing; i++ )
2069             {
2070                 p_ts->p_buffer[i] = 0xff;
2071             }
2072         }
2073         else
2074         {
2075             int i_stuffing = i_payload_max - i_payload;
2076
2077             p_ts->p_buffer[4] = i_stuffing - 1;
2078             if( i_stuffing > 1 )
2079             {
2080                 p_ts->p_buffer[5] = 0x00;
2081                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2082                 {
2083                     p_ts->p_buffer[i] = 0xff;
2084                 }
2085             }
2086         }
2087     }
2088
2089     /* copy payload */
2090     memcpy( &p_ts->p_buffer[188 - i_payload],
2091             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2092
2093     p_stream->i_pes_used += i_payload;
2094     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2095         p_stream->i_pes_used / p_pes->i_buffer;
2096     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2097
2098     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2099     {
2100         p_pes = BufferChainGet( &p_stream->chain_pes );
2101         block_Release( p_pes );
2102
2103         p_pes = p_stream->chain_pes.p_first;
2104         if( p_pes )
2105         {
2106             p_stream->i_pes_dts    = p_pes->i_dts;
2107             p_stream->i_pes_length = 0;
2108             while( p_pes )
2109             {
2110                 p_stream->i_pes_length += p_pes->i_length;
2111
2112                 p_pes = p_pes->p_next;
2113             }
2114         }
2115         else
2116         {
2117             p_stream->i_pes_dts = 0;
2118             p_stream->i_pes_length = 0;
2119         }
2120         p_stream->i_pes_used = 0;
2121     }
2122
2123     return p_ts;
2124 }
2125
2126 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2127 {
2128     mtime_t i_pcr = 9 * i_dts / 100;
2129
2130     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
2131     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
2132     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
2133     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
2134     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
2135 }
2136
2137 #if 0
2138 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2139                               mtime_t i_length, int i_bitrate_min,
2140                               int i_bitrate_max )
2141 {
2142     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2143     sout_buffer_chain_t s = *c;
2144
2145     int i_packets = 0;
2146     int i_packets_min = 0;
2147     int i_packets_max = 0;
2148
2149     if( i_length <= 0 )
2150     {
2151         return;
2152     }
2153
2154     i_packets     = c->i_depth;
2155     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
2156     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
2157
2158     if( i_packets < i_packets_min && i_packets_min > 0 )
2159     {
2160         block_t *p_pk;
2161         int i_div = ( i_packets_min - i_packets ) / i_packets;
2162         int i_mod = ( i_packets_min - i_packets ) % i_packets;
2163         int i_rest = 0;
2164
2165         /* We need to pad with null packets (pid=0x1fff)
2166          * We try to melt null packets with true packets */
2167         msg_Dbg( p_mux,
2168                  "packets=%d but min=%d -> adding %d packets of padding",
2169                  i_packets, i_packets_min, i_packets_min - i_packets );
2170
2171         BufferChainInit( c );
2172         while( ( p_pk = BufferChainGet( &s ) ) )
2173         {
2174             int i, i_null;
2175
2176             BufferChainAppend( c, p_pk );
2177
2178             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2179
2180             for( i = 0; i < i_null; i++ )
2181             {
2182                 block_t *p_null;
2183
2184                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2185                 p_null->p_buffer[0] = 0x47;
2186                 p_null->p_buffer[1] = 0x1f;
2187                 p_null->p_buffer[2] = 0xff;
2188                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2189                 memset( &p_null->p_buffer[4], 0, 184 );
2190                 p_sys->i_null_continuity_counter =
2191                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2192
2193                 BufferChainAppend( c, p_null );
2194             }
2195
2196             i_rest = ( i_rest + i_mod ) % i_packets;
2197         }
2198     }
2199     else if( i_packets > i_packets_max && i_packets_max > 0 )
2200     {
2201         block_t *p_pk;
2202         int           i;
2203
2204         /* Arg, we need to drop packets, I don't do something clever (like
2205          * dropping complete pid, b frames, ... ), I just get the right amount
2206          * of packets and discard the others */
2207         msg_Warn( p_mux,
2208                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2209                   i_packets, i_packets_max, i_packets - i_packets_max );
2210
2211         BufferChainInit( c );
2212         for( i = 0; i < i_packets_max; i++ )
2213         {
2214             BufferChainAppend( c, BufferChainGet( &s ) );
2215         }
2216
2217         while( ( p_pk = BufferChainGet( &s ) ) )
2218         {
2219             sout_BufferDelete( p_mux->p_sout, p_pk );
2220         }
2221     }
2222 }
2223 #endif
2224
2225 static void PEStoTS( sout_instance_t *p_sout,
2226                      sout_buffer_chain_t *c, block_t *p_pes,
2227                      ts_stream_t *p_stream )
2228 {
2229     VLC_UNUSED(p_sout);
2230     uint8_t *p_data;
2231     int     i_size;
2232     int     b_new_pes;
2233
2234     /* get PES total size */
2235     i_size = p_pes->i_buffer;
2236     p_data = p_pes->p_buffer;
2237
2238     b_new_pes = true;
2239
2240     for( ;; )
2241     {
2242         int           b_adaptation_field;
2243         int           i_copy;
2244         block_t *p_ts;
2245
2246         p_ts = block_New( p_sout, 188 );
2247         /* write header
2248          * 8b   0x47    sync byte
2249          * 1b           transport_error_indicator
2250          * 1b           payload_unit_start
2251          * 1b           transport_priority
2252          * 13b          pid
2253          * 2b           transport_scrambling_control
2254          * 2b           if adaptation_field 0x03 else 0x01
2255          * 4b           continuity_counter
2256          */
2257
2258         i_copy    = __MIN( i_size, 184 );
2259         b_adaptation_field = i_size < 184 ? true : false;
2260
2261         p_ts->p_buffer[0] = 0x47;
2262         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2263                             ( ( p_stream->i_pid >> 8 )&0x1f );
2264         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2265         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2266                             p_stream->i_continuity_counter;
2267
2268         b_new_pes = false;
2269         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2270
2271         if( b_adaptation_field )
2272         {
2273             int i_stuffing = 184 - i_copy;
2274             int i;
2275
2276             p_ts->p_buffer[4] = i_stuffing - 1;
2277             if( i_stuffing > 1 )
2278             {
2279                 p_ts->p_buffer[5] = 0x00;
2280                 if( p_stream->b_discontinuity )
2281                 {
2282                     p_ts->p_buffer[5] |= 0x80;
2283                     p_stream->b_discontinuity = false;
2284                 }
2285                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2286                 {
2287                     p_ts->p_buffer[i] = 0xff;
2288                 }
2289             }
2290         }
2291         /* copy payload */
2292         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2293         p_data += i_copy;
2294         i_size -= i_copy;
2295
2296         BufferChainAppend( c, p_ts );
2297
2298         if( i_size <= 0 )
2299         {
2300             block_t *p_next = p_pes->p_next;
2301
2302             p_pes->p_next = NULL;
2303             block_Release( p_pes );
2304             if( p_next == NULL )
2305             {
2306                 break;
2307             }
2308             b_new_pes = true;
2309             p_pes = p_next;
2310             i_size = p_pes->i_buffer;
2311             p_data = p_pes->p_buffer;
2312         }
2313     }
2314
2315     return;
2316 }
2317
2318 static block_t *WritePSISection( sout_instance_t *p_sout,
2319                                        dvbpsi_psi_section_t* p_section )
2320 {
2321     VLC_UNUSED(p_sout);
2322     block_t   *p_psi, *p_first = NULL;
2323
2324     while( p_section )
2325     {
2326         int             i_size;
2327
2328         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2329                   ( p_section->b_syntax_indicator ? 4 : 0 );
2330
2331         p_psi = block_New( p_sout, i_size + 1 );
2332         p_psi->i_pts = 0;
2333         p_psi->i_dts = 0;
2334         p_psi->i_length = 0;
2335         p_psi->i_buffer = i_size + 1;
2336
2337         p_psi->p_buffer[0] = 0; /* pointer */
2338         memcpy( p_psi->p_buffer + 1,
2339                 p_section->p_data,
2340                 i_size );
2341
2342         block_ChainAppend( &p_first, p_psi );
2343
2344         p_section = p_section->p_next;
2345     }
2346
2347     return( p_first );
2348 }
2349
2350 static void GetPAT( sout_mux_t *p_mux,
2351                     sout_buffer_chain_t *c )
2352 {
2353     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2354     block_t              *p_pat;
2355     dvbpsi_pat_t         pat;
2356     dvbpsi_psi_section_t *p_section;
2357     int i;
2358
2359     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2360                     1 );      /* b_current_next */
2361     /* add all programs */
2362     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2363         dvbpsi_PATAddProgram( &pat,
2364                               p_sys->i_pmt_program_number[i],
2365                               p_sys->pmt[i].i_pid );
2366
2367     p_section = dvbpsi_GenPATSections( &pat,
2368                                        0 );     /* max program per section */
2369
2370     p_pat = WritePSISection( p_mux->p_sout, p_section );
2371
2372     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2373
2374     dvbpsi_DeletePSISections( p_section );
2375     dvbpsi_EmptyPAT( &pat );
2376 }
2377
2378 static uint32_t GetDescriptorLength24b( int i_length )
2379 {
2380     uint32_t i_l1, i_l2, i_l3;
2381
2382     i_l1 = i_length&0x7f;
2383     i_l2 = ( i_length >> 7 )&0x7f;
2384     i_l3 = ( i_length >> 14 )&0x7f;
2385
2386     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2387 }
2388
2389 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2390 {
2391     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2392     block_t   *p_pmt[MAX_PMT];
2393
2394     dvbpsi_pmt_es_t     *p_es;
2395     dvbpsi_psi_section_t *p_section[MAX_PMT];
2396
2397     int             i_pidinput;
2398     int             i_stream;
2399     int             i;
2400     int             *p_usepid = NULL;
2401
2402 #ifdef HAVE_DVBPSI_SDT
2403     block_t         *p_sdt;
2404     dvbpsi_sdt_t    sdt;
2405
2406     dvbpsi_psi_section_t* p_section2;
2407     dvbpsi_sdt_service_t *p_service;
2408
2409     uint8_t         *psz_sdt_desc;
2410 #endif
2411
2412     if( p_sys->dvbpmt == NULL )
2413     {
2414         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2415         if( !p_sys->dvbpmt )
2416         {
2417             return;
2418         }
2419     }
2420 #ifdef HAVE_DVBPSI_SDT
2421     if( p_sys->b_sdt )
2422         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2423 #endif
2424
2425     for( i = 0; i < p_sys->i_num_pmt; i++ )
2426     {
2427         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2428                         p_sys->i_pmt_program_number[i],   /* program number */
2429                         p_sys->i_pmt_version_number,
2430                         1,      /* b_current_next */
2431                         p_sys->i_pcr_pid );
2432
2433 #ifdef HAVE_DVBPSI_SDT
2434         if( p_sys->b_sdt )
2435         {
2436             p_service = dvbpsi_SDTAddService( &sdt,
2437                 p_sys->i_pmt_program_number[i],  /* service id */
2438                 0,         /* eit schedule */
2439                 0,         /* eit present */
2440                 4,         /* running status ("4=RUNNING") */
2441                 0 );       /* free ca */
2442
2443 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2444 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2445
2446             /* FIXME: Ineffecient malloc's & ugly code......  */
2447             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2448             {
2449                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2450                                          + strlen(psz_sdtserv) );
2451                 if( psz_sdt_desc )
2452                 {
2453                     psz_sdt_desc[0] = 0x01; /* digital television service */
2454
2455                     /* service provider name length */
2456                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2457                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2458
2459                     /* service name length */
2460                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2461                         = (char)strlen(psz_sdtserv);
2462                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2463                             strlen(psz_sdtserv) );
2464
2465                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2466                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2467                             (uint8_t *)psz_sdt_desc );
2468                     free( psz_sdt_desc );
2469                     psz_sdt_desc = NULL;
2470                 }
2471             }
2472 #undef psz_sdtprov
2473 #undef psz_sdtserv
2474         }
2475 #endif
2476     }
2477
2478     if( p_sys->i_mpeg4_streams > 0 )
2479     {
2480         uint8_t iod[4096];
2481         bits_buffer_t bits;
2482         bits_buffer_t bits_fix_IOD;
2483
2484         /* Make valgrind happy : it works at byte level not bit one so
2485          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2486          * working (needed when fixing some bits) */
2487         memset( iod, 0, 4096 );
2488
2489         bits_initwrite( &bits, 4096, iod );
2490         /* IOD_label_scope */
2491         bits_write( &bits, 8,   0x11 );
2492         /* IOD_label */
2493         bits_write( &bits, 8,   0x01 );
2494         /* InitialObjectDescriptor */
2495         bits_align( &bits );
2496         bits_write( &bits, 8,   0x02 );     /* tag */
2497         bits_fix_IOD = bits;    /* save states to fix length later */
2498         bits_write( &bits, 24,
2499             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2500         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2501         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2502         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2503         bits_write( &bits, 4,   0x0f );     /* reserved */
2504         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2505         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2506         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2507         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2508         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2509         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2510         {
2511             ts_stream_t *p_stream;
2512             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2513
2514             if( p_stream->i_stream_id == 0xfa ||
2515                 p_stream->i_stream_id == 0xfb ||
2516                 p_stream->i_stream_id == 0xfe )
2517             {
2518                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2519                 /* ES descriptor */
2520                 bits_align( &bits );
2521                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2522                 bits_fix_ESDescr = bits;
2523                 bits_write( &bits, 24,
2524                             GetDescriptorLength24b( 0 ) ); /* variable size */
2525                 bits_write( &bits, 16,  p_stream->i_es_id );
2526                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2527                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2528                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2529                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2530
2531                 /* DecoderConfigDesciptor */
2532                 bits_align( &bits );
2533                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2534                 bits_fix_Decoder = bits;
2535                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2536                 if( p_stream->i_stream_type == 0x10 )
2537                 {
2538                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2539                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2540                 }
2541                 else if( p_stream->i_stream_type == 0x1b )
2542                 {
2543                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2544                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2545                 }
2546                 else if( p_stream->i_stream_type == 0x11 ||
2547                          p_stream->i_stream_type == 0x0f )
2548                 {
2549                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2550                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2551                 }
2552                 else if( p_stream->i_stream_type == 0x12 &&
2553                          p_stream->i_codec == VLC_CODEC_SUBT )
2554                 {
2555                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2556                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2557                 }
2558                 else
2559                 {
2560                     bits_write( &bits, 8, 0x00 );
2561                     bits_write( &bits, 6, 0x00 );
2562
2563                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2564                              "broken IOD" );
2565                 }
2566                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2567                 bits_write( &bits, 1,   0x01 );         /* reserved */
2568                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2569                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2570                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2571
2572                 if( p_stream->i_decoder_specific_info > 0 )
2573                 {
2574                     int i;
2575                     /* DecoderSpecificInfo */
2576                     bits_align( &bits );
2577                     bits_write( &bits, 8,   0x05 ); /* tag */
2578                     bits_write( &bits, 24, GetDescriptorLength24b(
2579                                 p_stream->i_decoder_specific_info ) );
2580                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2581                     {
2582                         bits_write( &bits, 8,
2583                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2584                     }
2585                 }
2586                 /* fix Decoder length */
2587                 bits_write( &bits_fix_Decoder, 24,
2588                             GetDescriptorLength24b( bits.i_data -
2589                             bits_fix_Decoder.i_data - 3 ) );
2590
2591                 /* SLConfigDescriptor : predefined (0x01) */
2592                 bits_align( &bits );
2593                 bits_write( &bits, 8,   0x06 ); /* tag */
2594                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2595                 bits_write( &bits, 8,   0x01 );/* predefined */
2596                 bits_write( &bits, 1,   0 );   /* durationFlag */
2597                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2598                 bits_write( &bits, 8,   0 );   /* OCRLength */
2599                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2600                 bits_align( &bits );
2601
2602                 /* fix ESDescr length */
2603                 bits_write( &bits_fix_ESDescr, 24,
2604                             GetDescriptorLength24b( bits.i_data -
2605                             bits_fix_ESDescr.i_data - 3 ) );
2606             }
2607         }
2608         bits_align( &bits );
2609         /* fix IOD length */
2610         bits_write( &bits_fix_IOD, 24,
2611                     GetDescriptorLength24b( bits.i_data -
2612                                             bits_fix_IOD.i_data - 3 ) );
2613
2614 #if 0 /* FIXME!!! This can't possibly work */
2615         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2616         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2617                             sizeof(pmt_map_t), intcompare );
2618         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2619                             sizeof(pmt_map_t), pmtcompare );
2620         if( p_usepid != NULL )
2621             dvbpsi_PMTAddDescriptor(
2622                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2623                     bits.i_data, bits.p_data );
2624         else
2625             msg_Err( p_mux, "Received an unmapped PID" );
2626 #else
2627         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2628                                  bits.p_data );
2629 #endif
2630     }
2631
2632     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2633     {
2634         ts_stream_t *p_stream;
2635
2636         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2637
2638         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2639         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2640                             sizeof(pmt_map_t), intcompare );
2641
2642         if( p_usepid != NULL )
2643             p_es = dvbpsi_PMTAddES(
2644                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2645                     p_stream->i_stream_type, p_stream->i_pid );
2646         else
2647             /* If there's an error somewhere, dump it to the first pmt */
2648             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2649                                     p_stream->i_pid );
2650
2651         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2652         {
2653             uint8_t     es_id[2];
2654
2655             /* SL descriptor */
2656             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2657             es_id[1] = (p_stream->i_es_id)&0xff;
2658             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2659         }
2660         else if( p_stream->i_stream_type == 0xa0 )
2661         {
2662             uint8_t data[512];
2663             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2664
2665             /* private DIV3 descripor */
2666             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2667             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2668             data[5] = ( p_stream->i_bih_width      )&0xff;
2669             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2670             data[7] = ( p_stream->i_bih_height     )&0xff;
2671             data[8] = ( i_extra >> 8 )&0xff;
2672             data[9] = ( i_extra      )&0xff;
2673             if( i_extra > 0 )
2674             {
2675                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2676             }
2677
2678             /* 0xa0 is private */
2679             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2680         }
2681         else if( p_stream->i_stream_type == 0x81 )
2682         {
2683             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2684
2685             /* "registration" descriptor : "AC-3" */
2686             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2687         }
2688         else if( p_stream->i_codec == VLC_CODEC_DIRAC )
2689         {
2690             /* Dirac registration descriptor */
2691
2692             uint8_t data[4] = { 'd', 'r', 'a', 'c' };
2693             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2694         }
2695         else if( p_stream->i_codec == VLC_CODEC_DTS )
2696         {
2697             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2698
2699             /* DTS format identifier, frame size 1024 - FIXME */
2700             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2701             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2702         }
2703         else if( p_stream->i_codec == VLC_CODEC_EAC3 )
2704         {
2705             uint8_t data[1] = { 0x00 };
2706             dvbpsi_PMTESAddDescriptor( p_es, 0x7a, 1, data );
2707         }
2708         else if( p_stream->i_codec == VLC_CODEC_TELETEXT )
2709         {
2710             if( p_stream->i_decoder_specific_info )
2711             {
2712                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2713                                            p_stream->i_decoder_specific_info,
2714                                            p_stream->p_decoder_specific_info );
2715             }
2716             continue;
2717         }
2718         else if( p_stream->i_codec == VLC_CODEC_DVBS )
2719         {
2720             /* DVB subtitles */
2721             if( p_stream->i_decoder_specific_info )
2722             {
2723                 /* pass-through from the TS demux */
2724                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2725                                            p_stream->i_decoder_specific_info,
2726                                            p_stream->p_decoder_specific_info );
2727             }
2728 #ifdef _DVBPSI_DR_59_H_
2729             else
2730             {
2731                 /* from the dvbsub transcoder */
2732                 dvbpsi_subtitling_dr_t descr;
2733                 dvbpsi_subtitle_t sub;
2734                 dvbpsi_descriptor_t *p_descr;
2735
2736                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2737                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2738                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2739                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2740
2741                 descr.i_subtitles_number = 1;
2742                 descr.p_subtitle[0] = sub;
2743
2744                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2745                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2746                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2747                                            p_descr->i_length, p_descr->p_data );
2748             }
2749 #endif /* _DVBPSI_DR_59_H_ */
2750             continue;
2751         }
2752
2753         if( p_stream->lang[0] != 0 )
2754         {
2755             uint8_t data[4*p_stream->i_langs];
2756
2757             /* I construct the content myself, way faster than looking at
2758              * over complicated/mind broken libdvbpsi way */
2759             for(i = 0; i < p_stream->i_langs; i++ )
2760             {
2761                 data[i*4+0] = p_stream->lang[i*3+0];
2762                 data[i*4+1] = p_stream->lang[i*3+1];
2763                 data[i*4+2] = p_stream->lang[i*3+2];
2764                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2765             }
2766             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2767         }
2768     }
2769
2770     for( i = 0; i < p_sys->i_num_pmt; i++ )
2771     {
2772         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2773         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2774         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2775         dvbpsi_DeletePSISections( p_section[i] );
2776         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2777     }
2778
2779 #ifdef HAVE_DVBPSI_SDT
2780     if( p_sys->b_sdt )
2781     {
2782         p_section2 = dvbpsi_GenSDTSections( &sdt );
2783         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2784         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2785         dvbpsi_DeletePSISections( p_section2 );
2786         dvbpsi_EmptySDT( &sdt );
2787     }
2788 #endif
2789 }