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     var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
 533     p_sys->b_es_id_pid = val.b_bool;
 534
 535     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 536     /*
 537        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 538        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 539     */
 540     if( val.psz_string != NULL && *val.psz_string )
 541     {
 542         char *psz_next;
 543         char *psz = val.psz_string;
 544         uint16_t i_pid;
 545         psz_next = psz;
 546
 547         while( psz != NULL )
 548         {
 549             i_pid = strtoul( psz, &psz_next, 0 );
 550
 551             if ( strlen(psz_next) > 0 )
 552                 psz = &psz_next[1];
 553             if ( i_pid == 0 )
 554             {
 555                 p_sys->i_num_pmt++;
 556                 if ( p_sys->i_num_pmt > MAX_PMT )
 557                 {
 558                     msg_Err( p_mux,
 559              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 560                     p_sys->i_num_pmt = MAX_PMT;
 561                 }
 562             }
 563             else
 564             {
 565                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 566                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 567                 p_sys->i_pmtslots++;
 568                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 569                 {
 570                     msg_Err( p_mux,
 571              "Number of pids in PMT greater than compiled maximum (%d)",
 572                              MAX_PMT_PID );
 573                     p_sys->i_pmtslots = MAX_PMT_PID;
 574                 }
 575             }
 576
 577             /* Now sort according to pids for fast search later on */
 578             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 579                    sizeof(pmt_map_t), &pmtcompare );
 580             if ( !*psz_next )
 581                 psz = NULL;
 582         }
 583     }
 584     free( val.psz_string );
 585
 586     p_sys->i_pat_version_number = rand() % 32;
 587     p_sys->pat.i_pid = 0;
 588     p_sys->pat.i_continuity_counter = 0;
 589     p_sys->pat.b_discontinuity = false;
 590
 591     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 592     if ( val.i_int )
 593         p_sys->i_tsid = val.i_int;
 594     else
 595         p_sys->i_tsid = rand() % 65536;
 596
 597     p_sys->i_netid = rand() % 65536;
 598 #ifdef HAVE_DVBPSI_SDT
 599     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 600     if ( val.i_int )
 601         p_sys->i_netid = val.i_int;
 602 #endif
 603
 604     p_sys->i_pmt_version_number = rand() % 32;
 605     for( i = 0; i < p_sys->i_num_pmt; i++ )
 606     {
 607         p_sys->pmt[i].i_continuity_counter = 0;
 608         p_sys->pmt[i].b_discontinuity = false;
 609     }
 610
 611     p_sys->sdt.i_pid = 0x11;
 612     p_sys->sdt.i_continuity_counter = 0;
 613     p_sys->sdt.b_discontinuity = false;
 614
 615 #ifdef HAVE_DVBPSI_SDT
 616     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 617     p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
 618
 619     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 620     if( p_sys->b_sdt )
 621     {
 622
 623         char *psz = val.psz_string;
 624         char *psz_sdttoken = psz;
 625
 626         i = 0;
 627         while ( psz_sdttoken != NULL )
 628         {
 629             char *psz_end = strchr( psz_sdttoken, ',' );
 630             if( psz_end != NULL )
 631             {
 632                 *psz_end++ = '\0';
 633             }
 634             if ( !(i % 2) )
 635             {
 636                 p_sys->sdt_descriptors[i/2].psz_provider
 637                     = strdup(psz_sdttoken);
 638             }
 639             else
 640             {
 641                 p_sys->sdt_descriptors[i/2].psz_service_name
 642                     = strdup(psz_sdttoken);
 643             }
 644
 645             i++;
 646             psz_sdttoken = psz_end;
 647         }
 648     }
 649     free( val.psz_string );
 650 #else
 651     p_sys->b_sdt = false;
 652 #endif
 653
 654     var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
 655     p_sys->b_data_alignment = val.b_bool;
 656
 657     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 658     if( val.psz_string && *val.psz_string )
 659     {
 660         char *psz_next;
 661         char *psz = val.psz_string;
 662         uint16_t i_pid;
 663
 664         psz_next = psz;
 665         i = 0;
 666         while ( psz != NULL )
 667         {
 668             i_pid = strtoul( psz, &psz_next, 0 );
 669             if( strlen(psz_next) > 0 )
 670                 psz = &psz_next[1];
 671             else
 672                 psz = NULL;
 673
 674             if( i_pid == 0 )
 675             {
 676                 if( i > MAX_PMT )
 677                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 678                              MAX_PMT );
 679             }
 680             else
 681             {
 682                 p_sys->i_pmt_program_number[i] = i_pid;
 683                 i++;
 684             }
 685         }
 686     }
 687     else
 688     {
 689         /* Option not specified, use 1, 2, 3... */
 690         for( i = 0; i < p_sys->i_num_pmt; i++ )
 691             p_sys->i_pmt_program_number[i] = i + 1;
 692     }
 693     free( val.psz_string );
 694
 695     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 696     if( val.i_int )
 697     {
 698         for( i = 0; i < p_sys->i_num_pmt; i++ )
 699             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 700     }
 701     else
 702     {
 703         for( i = 0; i < p_sys->i_num_pmt; i++ )
 704             p_sys->pmt[i].i_pid = 0x42 + i;
 705     }
 706
 707     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 708
 709     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 710     p_sys->i_pid_video = val.i_int;
 711     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 712     {
 713         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 714     }
 715
 716     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 717     p_sys->i_pid_audio = val.i_int;
 718     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 719     {
 720         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 721     }
 722
 723     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 724     p_sys->i_pid_spu = val.i_int;
 725     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 726     {
 727         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 728     }
 729
 730     p_sys->i_pcr_pid = 0x1fff;
 731     p_sys->p_pcr_input = NULL;
 732
 733     p_sys->i_mpeg4_streams = 0;
 734
 735     p_sys->i_null_continuity_counter = 0;
 736
 737     /* Allow to create constrained stream */
 738     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 739     p_sys->i_bitrate_min = val.i_int;
 740
 741     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 742     p_sys->i_bitrate_max = val.i_int;
 743
 744     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 745         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 746     {
 747         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 748                  "disabling bitrate control" );
 749         p_sys->i_bitrate_min = 0;
 750         p_sys->i_bitrate_max = 0;
 751     }
 752     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 753     {
 754         msg_Err( p_mux, "bmin and bmax no more supported "
 755                  "(if you need them report it)" );
 756     }
 757
 758     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 759     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 760     if( p_sys->i_shaping_delay <= 0 )
 761     {
 762         msg_Err( p_mux,
 763                  "invalid shaping (%"PRId64"ms) resetting to 200ms",
 764                  p_sys->i_shaping_delay / 1000 );
 765         p_sys->i_shaping_delay = 200000;
 766     }
 767
 768     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 769     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 770     if( p_sys->i_pcr_delay <= 0 ||
 771         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 772     {
 773         msg_Err( p_mux,
 774                  "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
 775                  p_sys->i_pcr_delay / 1000 );
 776         p_sys->i_pcr_delay = 70000;
 777     }
 778
 779     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 780     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 781
 782     msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
 783              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 784
 785     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 786     p_sys->b_use_key_frames = val.b_bool;
 787
 788     /* for TS generation */
 789     p_sys->i_pcr    = 0;
 790
 791     p_sys->csa      = NULL;
 792     var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 793     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 794     if( val.psz_string && *val.psz_string )
 795     {
 796         int i_res;
 797         vlc_value_t csa2;
 798
 799         p_sys->csa = csa_New();
 800
 801         var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 802         var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
 803         i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
 804         if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
 805         {
 806             if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
 807             {
 808                 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 809             }
 810         }
 811         else if( i_res == VLC_SUCCESS )
 812         {
 813             csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
 814         }
 815         else
 816         {
 817             csa_Delete( p_sys->csa );
 818             p_sys->csa = NULL;
 819         }
 820
 821         if( p_sys->csa )
 822         {
 823             vlc_value_t use_val, pkt_val;
 824
 825             var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
 826             var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
 827             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 828             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
 829             var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 830
 831             if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
 832             {
 833                 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
 834             }
 835             free( use_val.psz_string );
 836
 837             var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 838             if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 839             {
 840                 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 841                 msg_Warn( p_mux, "using default packet size of 188 bytes" );
 842                 p_sys->i_csa_pkt_size = 188;
 843             }
 844             else p_sys->i_csa_pkt_size = pkt_val.i_int;
 845             msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 846         }
 847         free( csa2.psz_string );
 848     }
 849     free( val.psz_string );
 850
 851     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 852     p_sys->b_crypt_audio = val.b_bool;
 853
 854     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
 855     p_sys->b_crypt_video = val.b_bool;
 856
 857     return VLC_SUCCESS;
 858 }
 859
 860 /*****************************************************************************
 861  * Close:
 862  *****************************************************************************/
 863 static void Close( vlc_object_t * p_this )
 864 {
 865     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 866     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 867     int i;
 868
 869     vlc_mutex_lock( &p_sys->csa_lock );
 870     if( p_sys->csa )
 871     {
 872         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
 873         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
 874         var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
 875         csa_Delete( p_sys->csa );
 876         p_sys->csa = NULL;
 877     }
 878     vlc_mutex_unlock( &p_sys->csa_lock );
 879
 880     for( i = 0; i < MAX_PMT; i++ )
 881     {
 882         free( p_sys->sdt_descriptors[i].psz_service_name );
 883         free( p_sys->sdt_descriptors[i].psz_provider );
 884     }
 885
 886     vlc_mutex_destroy( &p_sys->csa_lock );
 887     free( p_sys->dvbpmt );
 888     free( p_sys );
 889 }
 890
 891 /*****************************************************************************
 892  * ChangeKeyCallback: called when changing the odd encryption key on the fly.
 893  *****************************************************************************/
 894 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 895                            vlc_value_t oldval, vlc_value_t newval,
 896                            void *p_data )
 897 {
 898     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
 899     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 900     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 901     int ret;
 902
 903     vlc_mutex_lock( &p_sys->csa_lock );
 904     ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
 905                      !!(intptr_t)p_data );
 906     vlc_mutex_unlock( &p_sys->csa_lock );
 907
 908     return ret;
 909 }
 910
 911 /*****************************************************************************
 912  * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
 913  *****************************************************************************/
 914 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
 915                            vlc_value_t oldval, vlc_value_t newval,
 916                            void *p_data )
 917 {
 918     VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
 919     sout_mux_t      *p_mux = (sout_mux_t*)p_this;
 920     sout_mux_sys_t  *p_sys = p_mux->p_sys;
 921     int             i_res = VLC_EBADVAR;
 922
 923     vlc_mutex_lock( &p_sys->csa_lock );
 924     if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
 925     {
 926         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
 927     }
 928     else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
 929     {
 930         i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
 931     }
 932     vlc_mutex_unlock( &p_sys->csa_lock );
 933
 934     return i_res;
 935 }
 936
 937 /*****************************************************************************
 938  * Control:
 939  *****************************************************************************/
 940 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 941 {
 942     VLC_UNUSED(p_mux);
 943     bool *pb_bool;
 944     char **ppsz;
 945
 946     switch( i_query )
 947     {
 948         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 949             pb_bool = (bool*)va_arg( args, bool * );
 950             *pb_bool = true;
 951             return VLC_SUCCESS;
 952
 953         case MUX_GET_ADD_STREAM_WAIT:
 954             pb_bool = (bool*)va_arg( args, bool * );
 955             *pb_bool = false;
 956             return VLC_SUCCESS;
 957
 958         case MUX_GET_MIME:
 959             ppsz = (char**)va_arg( args, char ** );
 960             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 961             return VLC_SUCCESS;
 962
 963         default:
 964             return VLC_EGENERIC;
 965     }
 966 }
 967
 968 /*****************************************************************************
 969  * AddStream: called for each stream addition
 970  *****************************************************************************/
 971 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 972 {
 973     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 974     ts_stream_t         *p_stream;
 975     int                  i;
 976
 977     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 978     if( !p_input->p_sys )
 979         return VLC_ENOMEM;
 980
 981     /* Init this new stream */
 982     if ( p_sys->b_es_id_pid )
 983         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 984     else
 985         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 986     p_stream->i_codec = p_input->p_fmt->i_codec;
 987     p_stream->i_continuity_counter    = 0;
 988     p_stream->b_discontinuity         = false;
 989     p_stream->i_decoder_specific_info = 0;
 990     p_stream->p_decoder_specific_info = NULL;
 991
 992     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 993              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 994
 995     /* All others fields depand on codec */
 996     switch( p_input->p_fmt->i_cat )
 997     {
 998         case VIDEO_ES:
 999             switch( p_input->p_fmt->i_codec )
1000             {
1001                 case VLC_CODEC_MPGV:
1002                     /* TODO: do we need to check MPEG-I/II ? */
1003                     p_stream->i_stream_type = 0x02;
1004                     p_stream->i_stream_id = 0xe0;
1005                     break;
1006                 case VLC_CODEC_MP4V:
1007                     p_stream->i_stream_type = 0x10;
1008                     p_stream->i_stream_id = 0xe0;
1009                     p_stream->i_es_id = p_stream->i_pid;
1010                     break;
1011                 case VLC_CODEC_H264:
1012                     p_stream->i_stream_type = 0x1b;
1013                     p_stream->i_stream_id = 0xe0;
1014                     break;
1015                 /* XXX dirty dirty but somebody want that:
1016                  *     using crapy MS-codec XXX */
1017                 /* I didn't want to do that :P */
1018                 case VLC_CODEC_H263I:
1019                 case VLC_CODEC_H263:
1020                 case VLC_CODEC_WMV3:
1021                 case VLC_CODEC_WMV2:
1022                 case VLC_CODEC_WMV1:
1023                 case VLC_CODEC_DIV3:
1024                 case VLC_CODEC_DIV2:
1025                 case VLC_CODEC_DIV1:
1026                 case VLC_CODEC_MJPG:
1027                     p_stream->i_stream_type = 0xa0; /* private */
1028                     p_stream->i_stream_id = 0xa0;   /* beurk */
1029                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
1030                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
1031                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1032                     break;
1033                 case VLC_CODEC_DIRAC:
1034                     /* stream_id makes use of stream_id_extension */
1035                     p_stream->i_stream_id = (PES_EXTENDED_STREAM_ID << 8) | 0x60;
1036                     p_stream->i_stream_type = 0xd1;
1037                     break;
1038                 default:
1039                     free( p_stream );
1040                     return VLC_EGENERIC;
1041             }
1042             p_sys->i_video_bound++;
1043             break;
1044
1045         case AUDIO_ES:
1046             switch( p_input->p_fmt->i_codec )
1047             {
1048                 case VLC_CODEC_MPGA:
1049                     p_stream->i_stream_type =
1050                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1051                     p_stream->i_stream_id = 0xc0;
1052                     break;
1053                 case VLC_CODEC_A52:
1054                     p_stream->i_stream_type = 0x81;
1055                     p_stream->i_stream_id = 0xbd;
1056                     break;
1057                 case VLC_CODEC_EAC3:
1058                     p_stream->i_stream_type = 0x06;
1059                     p_stream->i_stream_id = 0xbd;
1060                     break;
1061                 case VLC_CODEC_DVD_LPCM:
1062                     p_stream->i_stream_type = 0x83;
1063                     p_stream->i_stream_id = 0xbd;
1064                     break;
1065                 case VLC_CODEC_DTS:
1066                     p_stream->i_stream_type = 0x06;
1067                     p_stream->i_stream_id = 0xbd;
1068                     break;
1069                 case VLC_CODEC_MP4A:
1070                     /* XXX: make that configurable in some way when LOAS
1071                      * is implemented for AAC in TS */
1072                     //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1073                     p_stream->i_stream_type = 0x0f; /* ADTS */
1074                     p_stream->i_stream_id = 0xc0;
1075                     p_sys->i_mpeg4_streams++;
1076                     p_stream->i_es_id = p_stream->i_pid;
1077                     break;
1078                 default:
1079                     free( p_stream );
1080                     return VLC_EGENERIC;
1081             }
1082             p_sys->i_audio_bound++;
1083             break;
1084
1085         case SPU_ES:
1086             switch( p_input->p_fmt->i_codec )
1087             {
1088                 case VLC_CODEC_SPU:
1089                     p_stream->i_stream_type = 0x82;
1090                     p_stream->i_stream_id = 0xbd;
1091                     break;
1092                 case VLC_CODEC_SUBT:
1093                     p_stream->i_stream_type = 0x12;
1094                     p_stream->i_stream_id = 0xfa;
1095                     p_sys->i_mpeg4_streams++;
1096                     p_stream->i_es_id = p_stream->i_pid;
1097                     break;
1098                 case VLC_CODEC_DVBS:
1099                     p_stream->i_stream_type = 0x06;
1100                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1101                     p_stream->i_stream_id = 0xbd;
1102                     break;
1103                 case VLC_CODEC_TELETEXT:
1104                     p_stream->i_stream_type = 0x06;
1105                     p_stream->i_stream_id = 0xbd; /* FIXME */
1106                     break;
1107                 default:
1108                     free( p_stream );
1109                     return VLC_EGENERIC;
1110             }
1111             break;
1112
1113         default:
1114             free( p_stream );
1115             return VLC_EGENERIC;
1116     }
1117
1118     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1119     p_stream->lang = malloc(p_stream->i_langs*3);
1120     if( !p_stream->lang )
1121     {
1122         p_stream->i_langs = 0;
1123         free( p_stream );
1124         return VLC_ENOMEM;
1125     }
1126     i = 1;
1127     p_stream->lang[0] =
1128     p_stream->lang[1] =
1129     p_stream->lang[2] = '\0';
1130     if( p_input->p_fmt->psz_language )
1131     {
1132         char *psz = p_input->p_fmt->psz_language;
1133         const iso639_lang_t *pl = NULL;
1134
1135         if( strlen( psz ) == 2 )
1136         {
1137             pl = GetLang_1( psz );
1138         }
1139         else if( strlen( psz ) == 3 )
1140         {
1141             pl = GetLang_2B( psz );
1142             if( !strcmp( pl->psz_iso639_1, "??" ) )
1143             {
1144                 pl = GetLang_2T( psz );
1145             }
1146         }
1147         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1148         {
1149             p_stream->lang[0] = pl->psz_iso639_2T[0];
1150             p_stream->lang[1] = pl->psz_iso639_2T[1];
1151             p_stream->lang[2] = pl->psz_iso639_2T[2];
1152
1153             msg_Dbg( p_mux, "    - lang=%c%c%c",
1154                      p_stream->lang[0], p_stream->lang[1],
1155                      p_stream->lang[2] );
1156         }
1157     }
1158     while( i < p_stream->i_langs ) {
1159         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1160         {
1161             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1162             const iso639_lang_t *pl = NULL;
1163
1164             if( strlen( psz ) == 2 )
1165             {
1166                 pl = GetLang_1( psz );
1167             }
1168             else if( strlen( psz ) == 3 )
1169             {
1170                 pl = GetLang_2B( psz );
1171                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1172                 {
1173                     pl = GetLang_2T( psz );
1174                 }
1175             }
1176             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1177             {
1178                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1179                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1180                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1181
1182                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1183                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1184                          p_stream->lang[i*3+2] );
1185             }
1186         }
1187         i++;
1188     }
1189
1190     /* Create decoder specific info for subt */
1191     if( p_stream->i_codec == VLC_CODEC_SUBT )
1192     {
1193         uint8_t *p;
1194
1195         p_stream->i_decoder_specific_info = 55;
1196         p_stream->p_decoder_specific_info = p =
1197             malloc( p_stream->i_decoder_specific_info );
1198         if( p )
1199         {
1200             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1201             p[1] = 0x00;    /* flags: 1b: associated video info flag
1202                                     3b: reserved
1203                                     1b: duration flag
1204                                     3b: reserved */
1205             p[2] = 52;      /* remaining size */
1206
1207             p += 3;
1208
1209             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1210             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1211             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1212
1213             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1214             *p++ = 0xff;                    /* background a */
1215
1216             p[0] = p[1] = 0; p += 2;        /* text box top */
1217             p[0] = p[1] = 0; p += 2;        /* text box left */
1218             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1219             p[0] = p[1] = 0; p += 2;        /* text box right */
1220
1221             p[0] = p[1] = 0; p += 2;        /* start char */
1222             p[0] = p[1] = 0; p += 2;        /* end char */
1223             p[0] = p[1] = 0; p += 2;        /* default font id */
1224
1225             *p++ = 0;                       /* font style flags */
1226             *p++ = 12;                      /* font size */
1227
1228             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1229             *p++ = 0x00;                    /* foreground a */
1230
1231             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1232             memcpy( p, "ftab", 4 ); p += 4;
1233             *p++ = 0; *p++ = 1;             /* entry count */
1234             p[0] = p[1] = 0; p += 2;        /* font id */
1235             *p++ = 9;                       /* font name length */
1236             memcpy( p, "Helvetica", 9 );    /* font name */
1237         }
1238         else p_stream->i_decoder_specific_info = 0;
1239     }
1240     else
1241     {
1242         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1243         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1244         if( p_stream->i_decoder_specific_info > 0 )
1245         {
1246             p_stream->p_decoder_specific_info =
1247                 malloc( p_stream->i_decoder_specific_info );
1248             if( p_stream->p_decoder_specific_info )
1249             {
1250                 memcpy( p_stream->p_decoder_specific_info,
1251                         p_input->p_fmt->p_extra,
1252                         p_input->p_fmt->i_extra );
1253             }
1254             else p_stream->i_decoder_specific_info = 0;
1255         }
1256     }
1257
1258     /* Init pes chain */
1259     BufferChainInit( &p_stream->chain_pes );
1260     p_stream->i_pes_dts    = 0;
1261     p_stream->i_pes_length = 0;
1262     p_stream->i_pes_used   = 0;
1263     p_stream->b_key_frame  = 0;
1264
1265     /* We only change PMT version (PAT isn't changed) */
1266     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1267
1268     /* Update pcr_pid */
1269     if( p_input->p_fmt->i_cat != SPU_ES &&
1270         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1271     {
1272         if( p_sys->p_pcr_input )
1273         {
1274             /* There was already a PCR stream, so clean context */
1275             /* FIXME */
1276         }
1277         p_sys->i_pcr_pid   = p_stream->i_pid;
1278         p_sys->p_pcr_input = p_input;
1279
1280         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1281     }
1282
1283     return VLC_SUCCESS;
1284 }
1285
1286 /*****************************************************************************
1287  * DelStream: called before a stream deletion
1288  *****************************************************************************/
1289 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1290 {
1291     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1292     ts_stream_t     *p_stream;
1293     vlc_value_t     val;
1294
1295     p_stream = (ts_stream_t*)p_input->p_sys;
1296     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1297
1298     if( p_sys->i_pcr_pid == p_stream->i_pid )
1299     {
1300         int i;
1301
1302         /* Find a new pcr stream (Prefer Video Stream) */
1303         p_sys->i_pcr_pid = 0x1fff;
1304         p_sys->p_pcr_input = NULL;
1305         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1306         {
1307             if( p_mux->pp_inputs[i] == p_input )
1308             {
1309                 continue;
1310             }
1311
1312             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1313             {
1314                 p_sys->i_pcr_pid  =
1315                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1316                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1317                 break;
1318             }
1319             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1320                      p_sys->i_pcr_pid == 0x1fff )
1321             {
1322                 p_sys->i_pcr_pid  =
1323                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1324                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1325             }
1326         }
1327         if( p_sys->p_pcr_input )
1328         {
1329             /* Empty TS buffer */
1330             /* FIXME */
1331         }
1332         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1333     }
1334
1335     /* Empty all data in chain_pes */
1336     BufferChainClean( &p_stream->chain_pes );
1337
1338     free(p_stream->lang);
1339     free( p_stream->p_decoder_specific_info );
1340     if( p_stream->i_stream_id == 0xfa ||
1341         p_stream->i_stream_id == 0xfb ||
1342         p_stream->i_stream_id == 0xfe )
1343     {
1344         p_sys->i_mpeg4_streams--;
1345     }
1346
1347     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1348     if( val.i_int > 0 )
1349     {
1350         int i_pid_video = val.i_int;
1351         if ( i_pid_video == p_stream->i_pid )
1352         {
1353             p_sys->i_pid_video = i_pid_video;
1354             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1355         }
1356     }
1357     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1358     if( val.i_int > 0 )
1359     {
1360         int i_pid_audio = val.i_int;
1361         if ( i_pid_audio == p_stream->i_pid )
1362         {
1363             p_sys->i_pid_audio = i_pid_audio;
1364             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1365         }
1366     }
1367     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1368     if( val.i_int > 0 )
1369     {
1370         int i_pid_spu = val.i_int;
1371         if ( i_pid_spu == p_stream->i_pid )
1372         {
1373             p_sys->i_pid_spu = i_pid_spu;
1374             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1375         }
1376     }
1377     free( p_stream );
1378
1379     /* We only change PMT version (PAT isn't changed) */
1380     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1381
1382     return VLC_SUCCESS;
1383 }
1384
1385 /*****************************************************************************
1386  * Mux: Call each time there is new data for at least one stream
1387  *****************************************************************************
1388  *
1389  *****************************************************************************/
1390 static int Mux( sout_mux_t *p_mux )
1391 {
1392     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1393     ts_stream_t     *p_pcr_stream;
1394
1395     if( p_sys->i_pcr_pid == 0x1fff )
1396     {
1397         int i;
1398         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1399         {
1400             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1401         }
1402         msg_Dbg( p_mux, "waiting for PCR streams" );
1403         return VLC_SUCCESS;
1404     }
1405     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1406
1407     for( ;; )
1408     {
1409         sout_buffer_chain_t chain_ts;
1410         int                 i_packet_count;
1411         int                 i_packet_pos;
1412         mtime_t             i_pcr_dts;
1413         mtime_t             i_pcr_length;
1414         mtime_t             i_shaping_delay;
1415         int i;
1416
1417         if( p_pcr_stream->b_key_frame )
1418         {
1419             i_shaping_delay = p_pcr_stream->i_pes_length;
1420         }
1421         else
1422         {
1423             i_shaping_delay = p_sys->i_shaping_delay;
1424         }
1425
1426         /* 1: get enough PES packet for all input */
1427         for( ;; )
1428         {
1429             bool b_ok = true;
1430             block_t *p_data;
1431
1432             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1433             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1434             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1435             {
1436                 sout_input_t *p_input;
1437                 ts_stream_t *p_stream;
1438                 int64_t i_spu_delay = 0;
1439
1440                 if( i == -1 )
1441                     p_input = p_sys->p_pcr_input;
1442                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1443                     continue;
1444                 else
1445                     p_input = p_mux->pp_inputs[i];
1446                 p_stream = (ts_stream_t*)p_input->p_sys;
1447
1448                 if( ( ( p_stream == p_pcr_stream ) &&
1449                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1450                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1451                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1452                 {
1453                     /* Need more data */
1454                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1455                     {
1456                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1457                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1458                         {
1459                             /* We need more data */
1460                             return VLC_SUCCESS;
1461                         }
1462                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1463                         {
1464                             /* spu, only one packet is needed */
1465                             continue;
1466                         }
1467                         else if( p_input->p_fmt->i_cat == SPU_ES )
1468                         {
1469                             /* Don't mux the SPU yet if it is too early */
1470                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1471
1472                             i_spu_delay =
1473                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1474
1475                             if( ( i_spu_delay > i_shaping_delay ) &&
1476                                 ( i_spu_delay < INT64_C(100000000) ) )
1477                                 continue;
1478
1479                             if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1480                                  ( i_spu_delay < INT64_C(10000) ) )
1481                             {
1482                                 BufferChainClean( &p_stream->chain_pes );
1483                                 p_stream->i_pes_dts = 0;
1484                                 p_stream->i_pes_used = 0;
1485                                 p_stream->i_pes_length = 0;
1486                                 continue;
1487                             }
1488                         }
1489                     }
1490                     b_ok = false;
1491
1492                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1493                          || p_input->p_fmt->i_codec !=
1494                              VLC_CODEC_MPGA )
1495                     {
1496                         p_data = block_FifoGet( p_input->p_fifo );
1497
1498                         if( p_input->p_fmt->i_codec ==
1499                                 VLC_CODEC_MP4A )
1500                             p_data = Add_ADTS( p_data, p_input->p_fmt );
1501                     }
1502                     else
1503                         p_data = FixPES( p_mux, p_input->p_fifo );
1504
1505                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1506                         p_input->p_fmt->i_cat != SPU_ES )
1507                     {
1508                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1509                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1510                     }
1511                     else if( p_input->p_fmt->i_codec !=
1512                                VLC_CODEC_SUBT )
1513                         p_data->i_length = 1000;
1514
1515                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1516                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1517                           p_pcr_stream->i_pes_length ) ||
1518                         p_data->i_dts < p_stream->i_pes_dts ||
1519                         ( p_stream->i_pes_dts > 0 &&
1520                           p_input->p_fmt->i_cat != SPU_ES &&
1521                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1522                           p_stream->i_pes_length ) )
1523                     {
1524                         msg_Warn( p_mux, "packet with too strange dts "
1525                                   "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1526                                   p_data->i_dts, p_stream->i_pes_dts,
1527                                   p_pcr_stream->i_pes_dts );
1528                         block_Release( p_data );
1529
1530                         BufferChainClean( &p_stream->chain_pes );
1531                         p_stream->i_pes_dts = 0;
1532                         p_stream->i_pes_used = 0;
1533                         p_stream->i_pes_length = 0;
1534
1535                         if( p_input->p_fmt->i_cat != SPU_ES )
1536                         {
1537                             BufferChainClean( &p_pcr_stream->chain_pes );
1538                             p_pcr_stream->i_pes_dts = 0;
1539                             p_pcr_stream->i_pes_used = 0;
1540                             p_pcr_stream->i_pes_length = 0;
1541                         }
1542                     }
1543                     else
1544                     {
1545                         int i_header_size = 0;
1546                         int i_max_pes_size = 0;
1547                         int b_data_alignment = 0;
1548                         if( p_input->p_fmt->i_cat == SPU_ES )
1549                         {
1550                             if( p_input->p_fmt->i_codec ==
1551                                 VLC_CODEC_SUBT )
1552                             {
1553                                 /* Prepend header */
1554                                 p_data = block_Realloc( p_data, 2,
1555                                                         p_data->i_buffer );
1556                                 p_data->p_buffer[0] =
1557                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1558                                 p_data->p_buffer[1] =
1559                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1560
1561                                 /* remove trailling \0 if any */
1562                                 if( p_data->i_buffer > 2 &&
1563                                     p_data->p_buffer[p_data->i_buffer -1] ==
1564                                     '\0' )
1565                                     p_data->i_buffer--;
1566
1567                                 /* Append a empty sub (sub text only) */
1568                                 if( p_data->i_length > 0 &&
1569                                     !( p_data->i_buffer == 1 &&
1570                                        *p_data->p_buffer == ' ' ) )
1571                                 {
1572                                     block_t *p_spu = block_New( p_mux, 3 );
1573
1574                                     p_spu->i_dts = p_spu->i_pts =
1575                                         p_data->i_dts + p_data->i_length;
1576                                     p_spu->i_length = 1000;
1577
1578                                     p_spu->p_buffer[0] = 0;
1579                                     p_spu->p_buffer[1] = 1;
1580                                     p_spu->p_buffer[2] = ' ';
1581
1582                                     EStoPES( p_mux->p_sout, &p_spu, p_spu,
1583                                                  p_input->p_fmt,
1584                                                  p_stream->i_stream_id, 1,
1585                                                  0, 0, 0 );
1586                                     p_data->p_next = p_spu;
1587                                 }
1588                             }
1589                             else if( p_input->p_fmt->i_codec ==
1590                                        VLC_CODEC_TELETEXT )
1591                             {
1592                                 /* EN 300 472 */
1593                                 i_header_size = 0x24;
1594                                 b_data_alignment = 1;
1595                             }
1596                             else if( p_input->p_fmt->i_codec ==
1597                                        VLC_CODEC_DVBS )
1598                             {
1599                                 /* EN 300 743 */
1600                                 b_data_alignment = 1;
1601                             }
1602                         }
1603                         else if( p_data->i_length < 0 ||
1604                                  p_data->i_length > 2000000 )
1605                         {
1606                             /* FIXME choose a better value, but anyway we
1607                              * should never have to do that */
1608                             p_data->i_length = 1000;
1609                         }
1610
1611                         p_stream->i_pes_length += p_data->i_length;
1612                         if( p_stream->i_pes_dts == 0 )
1613                         {
1614                             p_stream->i_pes_dts = p_data->i_dts;
1615                         }
1616
1617                         /* Convert to pes */
1618                         if( p_stream->i_stream_id == 0xa0 &&
1619                             p_data->i_pts <= 0 )
1620                         {
1621                             /* XXX yes I know, it's awful, but it's needed,
1622                              * so don't remove it ... */
1623                             p_data->i_pts = p_data->i_dts;
1624                         }
1625
1626                         if( p_input->p_fmt->i_codec ==
1627                                    VLC_CODEC_DIRAC )
1628                         {
1629                             b_data_alignment = 1;
1630                             /* dirac pes packets should be unbounded in
1631                              * length, specify a suitibly large max size */
1632                             i_max_pes_size = INT_MAX;
1633                         }
1634
1635                          EStoPES ( p_mux->p_sout, &p_data, p_data,
1636                                        p_input->p_fmt, p_stream->i_stream_id,
1637                                        1, b_data_alignment, i_header_size,
1638                                        i_max_pes_size );
1639
1640                         BufferChainAppend( &p_stream->chain_pes, p_data );
1641
1642                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1643                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1644                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1645                             && (p_stream->i_pes_length > 400000) )
1646                         {
1647                             i_shaping_delay = p_stream->i_pes_length;
1648                             p_stream->b_key_frame = 1;
1649                         }
1650                     }
1651                 }
1652             }
1653
1654             if( b_ok )
1655             {
1656                 break;
1657             }
1658         }
1659
1660         /* save */
1661         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1662         i_pcr_length   = p_pcr_stream->i_pes_length;
1663         p_pcr_stream->b_key_frame = 0;
1664
1665         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1666         /* 2: calculate non accurate total size of muxed ts */
1667         i_packet_count = 0;
1668         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1669         {
1670             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1671             block_t *p_pes;
1672
1673             /* False for pcr stream but it will be enough to do PCR algo */
1674             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1675                  p_pes = p_pes->p_next )
1676             {
1677                 int i_size = p_pes->i_buffer;
1678                 if( p_pes->i_dts + p_pes->i_length >
1679                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1680                 {
1681                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1682                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1683                     if( i_frag < 0 )
1684                     {
1685                         /* Next stream */
1686                         break;
1687                     }
1688                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1689                 }
1690                 i_packet_count += ( i_size + 183 ) / 184;
1691             }
1692         }
1693         /* add overhead for PCR (not really exact) */
1694         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1695
1696         /* 3: mux PES into TS */
1697         BufferChainInit( &chain_ts );
1698         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1699         GetPAT( p_mux, &chain_ts );
1700         GetPMT( p_mux, &chain_ts );
1701         i_packet_pos = 0;
1702         i_packet_count += chain_ts.i_depth;
1703         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1704
1705         for( ;; )
1706         {
1707             int          i_stream;
1708             mtime_t      i_dts;
1709             ts_stream_t  *p_stream;
1710             sout_input_t *p_input;
1711             block_t      *p_ts;
1712             bool         b_pcr;
1713
1714             /* Select stream (lowest dts) */
1715             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1716             {
1717                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1718
1719                 if( p_stream->i_pes_dts == 0 )
1720                 {
1721                     continue;
1722                 }
1723
1724                 if( i_stream == -1 ||
1725                     p_stream->i_pes_dts < i_dts )
1726                 {
1727                     i_stream = i;
1728                     i_dts = p_stream->i_pes_dts;
1729                 }
1730             }
1731             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1732             {
1733                 break;
1734             }
1735             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1736             p_input = p_mux->pp_inputs[i_stream];
1737
1738             /* do we need to issue pcr */
1739             b_pcr = false;
1740             if( p_stream == p_pcr_stream &&
1741                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1742                 p_sys->i_pcr + p_sys->i_pcr_delay )
1743             {
1744                 b_pcr = true;
1745                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1746                     i_pcr_length / i_packet_count;
1747             }
1748
1749             /* Build the TS packet */
1750             p_ts = TSNew( p_mux, p_stream, b_pcr );
1751             if( p_sys->csa != NULL &&
1752                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1753                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1754             {
1755                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1756             }
1757             i_packet_pos++;
1758
1759             /* */
1760             BufferChainAppend( &chain_ts, p_ts );
1761         }
1762
1763         /* 4: date and send */
1764         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1765     }
1766 }
1767
1768 #define STD_PES_PAYLOAD 170
1769 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1770 {
1771     VLC_UNUSED(p_mux);
1772     block_t *p_data;
1773     size_t i_size;
1774
1775     p_data = block_FifoShow( p_fifo );
1776     i_size = p_data->i_buffer;
1777
1778     if( i_size == STD_PES_PAYLOAD )
1779     {
1780         return block_FifoGet( p_fifo );
1781     }
1782     else if( i_size > STD_PES_PAYLOAD )
1783     {
1784         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1785         vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1786         p_new->i_pts = p_data->i_pts;
1787         p_new->i_dts = p_data->i_dts;
1788         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1789                             / p_data->i_buffer;
1790         p_data->i_buffer -= STD_PES_PAYLOAD;
1791         p_data->p_buffer += STD_PES_PAYLOAD;
1792         p_data->i_pts += p_new->i_length;
1793         p_data->i_dts += p_new->i_length;
1794         p_data->i_length -= p_new->i_length;
1795         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1796         return p_new;
1797     }
1798     else
1799     {
1800         block_t *p_next;
1801         int i_copy;
1802
1803         p_data = block_FifoGet( p_fifo );
1804         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1805         p_next = block_FifoShow( p_fifo );
1806         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1807         {
1808             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1809             p_data->i_pts = p_next->i_pts;
1810             p_data->i_dts = p_next->i_dts;
1811         }
1812         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1813
1814         vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1815         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1816         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1817         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1818         p_next->i_buffer -= i_copy;
1819         p_next->p_buffer += i_copy;
1820         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1821
1822         if( !p_next->i_buffer )
1823         {
1824             p_next = block_FifoGet( p_fifo );
1825             block_Release( p_next );
1826         }
1827         return p_data;
1828     }
1829 }
1830
1831 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1832 {
1833     uint8_t *p_extra = p_fmt->p_extra;
1834
1835     if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1836         return p_data; /* no data to construct the headers */
1837
1838     int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1839     int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1840
1841     if( i_index == 0x0f && p_fmt->i_extra < 5 )
1842         return p_data; /* not enough data */
1843
1844     int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1845
1846 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1847
1848
1849     /* keep a copy in case block_Realloc() fails */
1850     block_t *p_bak_block = block_Duplicate( p_data );
1851     if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1852         return p_data; /* the frame isn't correct but that's the best we have */
1853
1854     block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1855                                             p_data->i_buffer );
1856     if( !p_new_block )
1857         return p_bak_block; /* OOM, send the (incorrect) original frame */
1858
1859     block_Release( p_bak_block ); /* we don't need the copy anymore */
1860
1861
1862     uint8_t *p_buffer = p_new_block->p_buffer;
1863
1864     /* fixed header */
1865     p_buffer[0] = 0xff;
1866     p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1867     p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1868     p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1869
1870     /* variable header (starts at last 2 bits of 4th byte) */
1871
1872     int i_fullness = 0x7ff; /* 0x7ff means VBR */
1873     /* XXX: We should check if it's CBR or VBR, but no known implementation
1874      * do that, and it's a pain to calculate this field */
1875
1876     p_buffer[4] = p_data->i_buffer >> 3;
1877     p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1878     p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1879
1880     return p_new_block;
1881 }
1882
1883 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1884                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1885 {
1886     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1887     sout_buffer_chain_t new_chain;
1888     int i_packet_count = p_chain_ts->i_depth;
1889     int i;
1890
1891     BufferChainInit( &new_chain );
1892
1893     if ( i_pcr_length <= 0 )
1894     {
1895         i_pcr_length = i_packet_count;
1896     }
1897
1898     for( i = 0; i < i_packet_count; i++ )
1899     {
1900         block_t *p_ts = BufferChainGet( p_chain_ts );
1901         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1902
1903         BufferChainAppend( &new_chain, p_ts );
1904
1905         if( p_ts->i_dts &&
1906             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1907         {
1908             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1909             mtime_t i_cut_dts = p_ts->i_dts;
1910
1911             p_ts = BufferChainPeek( p_chain_ts );
1912             i++;
1913             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1914             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1915             {
1916                 p_ts = BufferChainGet( p_chain_ts );
1917                 i_max_diff = i_new_dts - p_ts->i_dts;
1918                 i_cut_dts = p_ts->i_dts;
1919                 BufferChainAppend( &new_chain, p_ts );
1920
1921                 p_ts = BufferChainPeek( p_chain_ts );
1922                 i++;
1923                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1924             }
1925             msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1926                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1927                      p_chain_ts->i_depth );
1928             if ( new_chain.i_depth )
1929                 TSDate( p_mux, &new_chain,
1930                         i_cut_dts - i_pcr_dts,
1931                         i_pcr_dts );
1932             if ( p_chain_ts->i_depth )
1933                 TSSchedule( p_mux,
1934                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1935                             i_cut_dts );
1936             return;
1937         }
1938     }
1939
1940     if ( new_chain.i_depth )
1941         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1942 }
1943
1944 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1945                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1946 {
1947     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1948     int i_packet_count = p_chain_ts->i_depth;
1949     int i;
1950
1951     if ( i_pcr_length / 1000 > 0 )
1952     {
1953         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1954                           / (uint64_t)(i_pcr_length / 1000);
1955         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1956         {
1957             msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1958                       " (%d bi/s for %d pkt in %"PRId64" us)",
1959                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1960                       i_bitrate, i_packet_count, i_pcr_length);
1961         }
1962 #if 0
1963         else
1964         {
1965             msg_Dbg( p_mux, "starting at %"PRId64
1966                      " (%d bi/s for %d packets in %"PRId64" us)",
1967                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1968                      i_bitrate, i_packet_count, i_pcr_length);
1969         }
1970 #endif
1971     }
1972     else
1973     {
1974         /* This shouldn't happen, but happens in some rare heavy load
1975          * and packet losses conditions. */
1976         i_pcr_length = i_packet_count;
1977     }
1978
1979     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1980     for( i = 0; i < i_packet_count; i++ )
1981     {
1982         block_t *p_ts = BufferChainGet( p_chain_ts );
1983         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1984
1985         p_ts->i_dts    = i_new_dts;
1986         p_ts->i_length = i_pcr_length / i_packet_count;
1987
1988         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1989         {
1990             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1991             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1992         }
1993         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1994         {
1995             vlc_mutex_lock( &p_sys->csa_lock );
1996             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1997             vlc_mutex_unlock( &p_sys->csa_lock );
1998         }
1999
2000         /* latency */
2001         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
2002
2003         sout_AccessOutWrite( p_mux->p_access, p_ts );
2004     }
2005 }
2006
2007 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
2008                        bool b_pcr )
2009 {
2010     VLC_UNUSED(p_mux);
2011     block_t *p_pes = p_stream->chain_pes.p_first;
2012     block_t *p_ts;
2013
2014     bool b_new_pes = false;
2015     bool b_adaptation_field = false;
2016
2017     int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2018     int i_payload;
2019
2020     if( p_stream->i_pes_used <= 0 )
2021     {
2022         b_new_pes = true;
2023     }
2024     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2025                        i_payload_max );
2026
2027     if( b_pcr || i_payload < i_payload_max )
2028     {
2029         b_adaptation_field = true;
2030     }
2031
2032     p_ts = block_New( p_mux, 188 );
2033     p_ts->i_dts = p_pes->i_dts;
2034
2035     p_ts->p_buffer[0] = 0x47;
2036     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2037         ( ( p_stream->i_pid >> 8 )&0x1f );
2038     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2039     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2040         p_stream->i_continuity_counter;
2041
2042     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2043     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2044
2045     if( b_adaptation_field )
2046     {
2047         int i;
2048
2049         if( b_pcr )
2050         {
2051             int     i_stuffing = i_payload_max - i_payload;
2052
2053             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2054
2055             p_ts->p_buffer[4] = 7 + i_stuffing;
2056             p_ts->p_buffer[5] = 0x10;   /* flags */
2057             if( p_stream->b_discontinuity )
2058             {
2059                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2060                 p_stream->b_discontinuity = false;
2061             }
2062             p_ts->p_buffer[6] = ( 0 )&0xff;
2063             p_ts->p_buffer[7] = ( 0 )&0xff;
2064             p_ts->p_buffer[8] = ( 0 )&0xff;
2065             p_ts->p_buffer[9] = ( 0 )&0xff;
2066             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2067             p_ts->p_buffer[11]= 0;
2068
2069             for( i = 12; i < 12 + i_stuffing; i++ )
2070             {
2071                 p_ts->p_buffer[i] = 0xff;
2072             }
2073         }
2074         else
2075         {
2076             int i_stuffing = i_payload_max - i_payload;
2077
2078             p_ts->p_buffer[4] = i_stuffing - 1;
2079             if( i_stuffing > 1 )
2080             {
2081                 p_ts->p_buffer[5] = 0x00;
2082                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2083                 {
2084                     p_ts->p_buffer[i] = 0xff;
2085                 }
2086             }
2087         }
2088     }
2089
2090     /* copy payload */
2091     memcpy( &p_ts->p_buffer[188 - i_payload],
2092             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2093
2094     p_stream->i_pes_used += i_payload;
2095     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2096         p_stream->i_pes_used / p_pes->i_buffer;
2097     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2098
2099     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2100     {
2101         p_pes = BufferChainGet( &p_stream->chain_pes );
2102         block_Release( p_pes );
2103
2104         p_pes = p_stream->chain_pes.p_first;
2105         if( p_pes )
2106         {
2107             p_stream->i_pes_dts    = p_pes->i_dts;
2108             p_stream->i_pes_length = 0;
2109             while( p_pes )
2110             {
2111                 p_stream->i_pes_length += p_pes->i_length;
2112
2113                 p_pes = p_pes->p_next;
2114             }
2115         }
2116         else
2117         {
2118             p_stream->i_pes_dts = 0;
2119             p_stream->i_pes_length = 0;
2120         }
2121         p_stream->i_pes_used = 0;
2122     }
2123
2124     return p_ts;
2125 }
2126
2127 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2128 {
2129     mtime_t i_pcr = 9 * i_dts / 100;
2130
2131     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
2132     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
2133     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
2134     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
2135     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
2136 }
2137
2138 #if 0
2139 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2140                               mtime_t i_length, int i_bitrate_min,
2141                               int i_bitrate_max )
2142 {
2143     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2144     sout_buffer_chain_t s = *c;
2145
2146     int i_packets = 0;
2147     int i_packets_min = 0;
2148     int i_packets_max = 0;
2149
2150     if( i_length <= 0 )
2151     {
2152         return;
2153     }
2154
2155     i_packets     = c->i_depth;
2156     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
2157     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
2158
2159     if( i_packets < i_packets_min && i_packets_min > 0 )
2160     {
2161         block_t *p_pk;
2162         int i_div = ( i_packets_min - i_packets ) / i_packets;
2163         int i_mod = ( i_packets_min - i_packets ) % i_packets;
2164         int i_rest = 0;
2165
2166         /* We need to pad with null packets (pid=0x1fff)
2167          * We try to melt null packets with true packets */
2168         msg_Dbg( p_mux,
2169                  "packets=%d but min=%d -> adding %d packets of padding",
2170                  i_packets, i_packets_min, i_packets_min - i_packets );
2171
2172         BufferChainInit( c );
2173         while( ( p_pk = BufferChainGet( &s ) ) )
2174         {
2175             int i, i_null;
2176
2177             BufferChainAppend( c, p_pk );
2178
2179             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2180
2181             for( i = 0; i < i_null; i++ )
2182             {
2183                 block_t *p_null;
2184
2185                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2186                 p_null->p_buffer[0] = 0x47;
2187                 p_null->p_buffer[1] = 0x1f;
2188                 p_null->p_buffer[2] = 0xff;
2189                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2190                 memset( &p_null->p_buffer[4], 0, 184 );
2191                 p_sys->i_null_continuity_counter =
2192                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2193
2194                 BufferChainAppend( c, p_null );
2195             }
2196
2197             i_rest = ( i_rest + i_mod ) % i_packets;
2198         }
2199     }
2200     else if( i_packets > i_packets_max && i_packets_max > 0 )
2201     {
2202         block_t *p_pk;
2203         int           i;
2204
2205         /* Arg, we need to drop packets, I don't do something clever (like
2206          * dropping complete pid, b frames, ... ), I just get the right amount
2207          * of packets and discard the others */
2208         msg_Warn( p_mux,
2209                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2210                   i_packets, i_packets_max, i_packets - i_packets_max );
2211
2212         BufferChainInit( c );
2213         for( i = 0; i < i_packets_max; i++ )
2214         {
2215             BufferChainAppend( c, BufferChainGet( &s ) );
2216         }
2217
2218         while( ( p_pk = BufferChainGet( &s ) ) )
2219         {
2220             sout_BufferDelete( p_mux->p_sout, p_pk );
2221         }
2222     }
2223 }
2224 #endif
2225
2226 static void PEStoTS( sout_instance_t *p_sout,
2227                      sout_buffer_chain_t *c, block_t *p_pes,
2228                      ts_stream_t *p_stream )
2229 {
2230     VLC_UNUSED(p_sout);
2231     uint8_t *p_data;
2232     int     i_size;
2233     int     b_new_pes;
2234
2235     /* get PES total size */
2236     i_size = p_pes->i_buffer;
2237     p_data = p_pes->p_buffer;
2238
2239     b_new_pes = true;
2240
2241     for( ;; )
2242     {
2243         int           b_adaptation_field;
2244         int           i_copy;
2245         block_t *p_ts;
2246
2247         p_ts = block_New( p_sout, 188 );
2248         /* write header
2249          * 8b   0x47    sync byte
2250          * 1b           transport_error_indicator
2251          * 1b           payload_unit_start
2252          * 1b           transport_priority
2253          * 13b          pid
2254          * 2b           transport_scrambling_control
2255          * 2b           if adaptation_field 0x03 else 0x01
2256          * 4b           continuity_counter
2257          */
2258
2259         i_copy    = __MIN( i_size, 184 );
2260         b_adaptation_field = i_size < 184 ? true : false;
2261
2262         p_ts->p_buffer[0] = 0x47;
2263         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2264                             ( ( p_stream->i_pid >> 8 )&0x1f );
2265         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2266         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2267                             p_stream->i_continuity_counter;
2268
2269         b_new_pes = false;
2270         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2271
2272         if( b_adaptation_field )
2273         {
2274             int i_stuffing = 184 - i_copy;
2275             int i;
2276
2277             p_ts->p_buffer[4] = i_stuffing - 1;
2278             if( i_stuffing > 1 )
2279             {
2280                 p_ts->p_buffer[5] = 0x00;
2281                 if( p_stream->b_discontinuity )
2282                 {
2283                     p_ts->p_buffer[5] |= 0x80;
2284                     p_stream->b_discontinuity = false;
2285                 }
2286                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2287                 {
2288                     p_ts->p_buffer[i] = 0xff;
2289                 }
2290             }
2291         }
2292         /* copy payload */
2293         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2294         p_data += i_copy;
2295         i_size -= i_copy;
2296
2297         BufferChainAppend( c, p_ts );
2298
2299         if( i_size <= 0 )
2300         {
2301             block_t *p_next = p_pes->p_next;
2302
2303             p_pes->p_next = NULL;
2304             block_Release( p_pes );
2305             if( p_next == NULL )
2306             {
2307                 break;
2308             }
2309             b_new_pes = true;
2310             p_pes = p_next;
2311             i_size = p_pes->i_buffer;
2312             p_data = p_pes->p_buffer;
2313         }
2314     }
2315
2316     return;
2317 }
2318
2319 static block_t *WritePSISection( sout_instance_t *p_sout,
2320                                        dvbpsi_psi_section_t* p_section )
2321 {
2322     VLC_UNUSED(p_sout);
2323     block_t   *p_psi, *p_first = NULL;
2324
2325     while( p_section )
2326     {
2327         int             i_size;
2328
2329         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2330                   ( p_section->b_syntax_indicator ? 4 : 0 );
2331
2332         p_psi = block_New( p_sout, i_size + 1 );
2333         p_psi->i_pts = 0;
2334         p_psi->i_dts = 0;
2335         p_psi->i_length = 0;
2336         p_psi->i_buffer = i_size + 1;
2337
2338         p_psi->p_buffer[0] = 0; /* pointer */
2339         memcpy( p_psi->p_buffer + 1,
2340                 p_section->p_data,
2341                 i_size );
2342
2343         block_ChainAppend( &p_first, p_psi );
2344
2345         p_section = p_section->p_next;
2346     }
2347
2348     return( p_first );
2349 }
2350
2351 static void GetPAT( sout_mux_t *p_mux,
2352                     sout_buffer_chain_t *c )
2353 {
2354     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2355     block_t              *p_pat;
2356     dvbpsi_pat_t         pat;
2357     dvbpsi_psi_section_t *p_section;
2358     int i;
2359
2360     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2361                     1 );      /* b_current_next */
2362     /* add all programs */
2363     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2364         dvbpsi_PATAddProgram( &pat,
2365                               p_sys->i_pmt_program_number[i],
2366                               p_sys->pmt[i].i_pid );
2367
2368     p_section = dvbpsi_GenPATSections( &pat,
2369                                        0 );     /* max program per section */
2370
2371     p_pat = WritePSISection( p_mux->p_sout, p_section );
2372
2373     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2374
2375     dvbpsi_DeletePSISections( p_section );
2376     dvbpsi_EmptyPAT( &pat );
2377 }
2378
2379 static uint32_t GetDescriptorLength24b( int i_length )
2380 {
2381     uint32_t i_l1, i_l2, i_l3;
2382
2383     i_l1 = i_length&0x7f;
2384     i_l2 = ( i_length >> 7 )&0x7f;
2385     i_l3 = ( i_length >> 14 )&0x7f;
2386
2387     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2388 }
2389
2390 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2391 {
2392     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2393     block_t   *p_pmt[MAX_PMT];
2394
2395     dvbpsi_pmt_es_t     *p_es;
2396     dvbpsi_psi_section_t *p_section[MAX_PMT];
2397
2398     int             i_pidinput;
2399     int             i_stream;
2400     int             i;
2401     int             *p_usepid = NULL;
2402
2403 #ifdef HAVE_DVBPSI_SDT
2404     block_t         *p_sdt;
2405     dvbpsi_sdt_t    sdt;
2406
2407     dvbpsi_psi_section_t* p_section2;
2408     dvbpsi_sdt_service_t *p_service;
2409
2410     uint8_t         *psz_sdt_desc;
2411 #endif
2412
2413     if( p_sys->dvbpmt == NULL )
2414     {
2415         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2416         if( !p_sys->dvbpmt )
2417         {
2418             return;
2419         }
2420     }
2421 #ifdef HAVE_DVBPSI_SDT
2422     if( p_sys->b_sdt )
2423         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2424 #endif
2425
2426     for( i = 0; i < p_sys->i_num_pmt; i++ )
2427     {
2428         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2429                         p_sys->i_pmt_program_number[i],   /* program number */
2430                         p_sys->i_pmt_version_number,
2431                         1,      /* b_current_next */
2432                         p_sys->i_pcr_pid );
2433
2434 #ifdef HAVE_DVBPSI_SDT
2435         if( p_sys->b_sdt )
2436         {
2437             p_service = dvbpsi_SDTAddService( &sdt,
2438                 p_sys->i_pmt_program_number[i],  /* service id */
2439                 0,         /* eit schedule */
2440                 0,         /* eit present */
2441                 4,         /* running status ("4=RUNNING") */
2442                 0 );       /* free ca */
2443
2444 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2445 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2446
2447             /* FIXME: Ineffecient malloc's & ugly code......  */
2448             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2449             {
2450                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2451                                          + strlen(psz_sdtserv) );
2452                 if( psz_sdt_desc )
2453                 {
2454                     psz_sdt_desc[0] = 0x01; /* digital television service */
2455
2456                     /* service provider name length */
2457                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2458                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2459
2460                     /* service name length */
2461                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2462                         = (char)strlen(psz_sdtserv);
2463                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2464                             strlen(psz_sdtserv) );
2465
2466                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2467                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2468                             (uint8_t *)psz_sdt_desc );
2469                     free( psz_sdt_desc );
2470                     psz_sdt_desc = NULL;
2471                 }
2472             }
2473 #undef psz_sdtprov
2474 #undef psz_sdtserv
2475         }
2476 #endif
2477     }
2478
2479     if( p_sys->i_mpeg4_streams > 0 )
2480     {
2481         uint8_t iod[4096];
2482         bits_buffer_t bits;
2483         bits_buffer_t bits_fix_IOD;
2484
2485         /* Make valgrind happy : it works at byte level not bit one so
2486          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2487          * working (needed when fixing some bits) */
2488         memset( iod, 0, 4096 );
2489
2490         bits_initwrite( &bits, 4096, iod );
2491         /* IOD_label_scope */
2492         bits_write( &bits, 8,   0x11 );
2493         /* IOD_label */
2494         bits_write( &bits, 8,   0x01 );
2495         /* InitialObjectDescriptor */
2496         bits_align( &bits );
2497         bits_write( &bits, 8,   0x02 );     /* tag */
2498         bits_fix_IOD = bits;    /* save states to fix length later */
2499         bits_write( &bits, 24,
2500             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2501         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2502         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2503         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2504         bits_write( &bits, 4,   0x0f );     /* reserved */
2505         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2506         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2507         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2508         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2509         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2510         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2511         {
2512             ts_stream_t *p_stream;
2513             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2514
2515             if( p_stream->i_stream_id == 0xfa ||
2516                 p_stream->i_stream_id == 0xfb ||
2517                 p_stream->i_stream_id == 0xfe )
2518             {
2519                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2520                 /* ES descriptor */
2521                 bits_align( &bits );
2522                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2523                 bits_fix_ESDescr = bits;
2524                 bits_write( &bits, 24,
2525                             GetDescriptorLength24b( 0 ) ); /* variable size */
2526                 bits_write( &bits, 16,  p_stream->i_es_id );
2527                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2528                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2529                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2530                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2531
2532                 /* DecoderConfigDesciptor */
2533                 bits_align( &bits );
2534                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2535                 bits_fix_Decoder = bits;
2536                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2537                 if( p_stream->i_stream_type == 0x10 )
2538                 {
2539                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2540                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2541                 }
2542                 else if( p_stream->i_stream_type == 0x1b )
2543                 {
2544                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2545                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2546                 }
2547                 else if( p_stream->i_stream_type == 0x11 ||
2548                          p_stream->i_stream_type == 0x0f )
2549                 {
2550                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2551                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2552                 }
2553                 else if( p_stream->i_stream_type == 0x12 &&
2554                          p_stream->i_codec == VLC_CODEC_SUBT )
2555                 {
2556                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2557                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2558                 }
2559                 else
2560                 {
2561                     bits_write( &bits, 8, 0x00 );
2562                     bits_write( &bits, 6, 0x00 );
2563
2564                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2565                              "broken IOD" );
2566                 }
2567                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2568                 bits_write( &bits, 1,   0x01 );         /* reserved */
2569                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2570                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2571                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2572
2573                 if( p_stream->i_decoder_specific_info > 0 )
2574                 {
2575                     int i;
2576                     /* DecoderSpecificInfo */
2577                     bits_align( &bits );
2578                     bits_write( &bits, 8,   0x05 ); /* tag */
2579                     bits_write( &bits, 24, GetDescriptorLength24b(
2580                                 p_stream->i_decoder_specific_info ) );
2581                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2582                     {
2583                         bits_write( &bits, 8,
2584                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2585                     }
2586                 }
2587                 /* fix Decoder length */
2588                 bits_write( &bits_fix_Decoder, 24,
2589                             GetDescriptorLength24b( bits.i_data -
2590                             bits_fix_Decoder.i_data - 3 ) );
2591
2592                 /* SLConfigDescriptor : predefined (0x01) */
2593                 bits_align( &bits );
2594                 bits_write( &bits, 8,   0x06 ); /* tag */
2595                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2596                 bits_write( &bits, 8,   0x01 );/* predefined */
2597                 bits_write( &bits, 1,   0 );   /* durationFlag */
2598                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2599                 bits_write( &bits, 8,   0 );   /* OCRLength */
2600                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2601                 bits_align( &bits );
2602
2603                 /* fix ESDescr length */
2604                 bits_write( &bits_fix_ESDescr, 24,
2605                             GetDescriptorLength24b( bits.i_data -
2606                             bits_fix_ESDescr.i_data - 3 ) );
2607             }
2608         }
2609         bits_align( &bits );
2610         /* fix IOD length */
2611         bits_write( &bits_fix_IOD, 24,
2612                     GetDescriptorLength24b( bits.i_data -
2613                                             bits_fix_IOD.i_data - 3 ) );
2614
2615 #if 0 /* FIXME!!! This can't possibly work */
2616         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2617         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2618                             sizeof(pmt_map_t), intcompare );
2619         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2620                             sizeof(pmt_map_t), pmtcompare );
2621         if( p_usepid != NULL )
2622             dvbpsi_PMTAddDescriptor(
2623                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2624                     bits.i_data, bits.p_data );
2625         else
2626             msg_Err( p_mux, "Received an unmapped PID" );
2627 #else
2628         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2629                                  bits.p_data );
2630 #endif
2631     }
2632
2633     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2634     {
2635         ts_stream_t *p_stream;
2636
2637         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2638
2639         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2640         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2641                             sizeof(pmt_map_t), intcompare );
2642
2643         if( p_usepid != NULL )
2644             p_es = dvbpsi_PMTAddES(
2645                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2646                     p_stream->i_stream_type, p_stream->i_pid );
2647         else
2648             /* If there's an error somewhere, dump it to the first pmt */
2649             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2650                                     p_stream->i_pid );
2651
2652         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2653         {
2654             uint8_t     es_id[2];
2655
2656             /* SL descriptor */
2657             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2658             es_id[1] = (p_stream->i_es_id)&0xff;
2659             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2660         }
2661         else if( p_stream->i_stream_type == 0xa0 )
2662         {
2663             uint8_t data[512];
2664             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2665
2666             /* private DIV3 descripor */
2667             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2668             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2669             data[5] = ( p_stream->i_bih_width      )&0xff;
2670             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2671             data[7] = ( p_stream->i_bih_height     )&0xff;
2672             data[8] = ( i_extra >> 8 )&0xff;
2673             data[9] = ( i_extra      )&0xff;
2674             if( i_extra > 0 )
2675             {
2676                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2677             }
2678
2679             /* 0xa0 is private */
2680             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2681         }
2682         else if( p_stream->i_stream_type == 0x81 )
2683         {
2684             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2685
2686             /* "registration" descriptor : "AC-3" */
2687             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2688         }
2689         else if( p_stream->i_codec == VLC_CODEC_DIRAC )
2690         {
2691             /* Dirac registration descriptor */
2692
2693             uint8_t data[4] = { 'd', 'r', 'a', 'c' };
2694             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2695         }
2696         else if( p_stream->i_codec == VLC_CODEC_DTS )
2697         {
2698             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2699
2700             /* DTS format identifier, frame size 1024 - FIXME */
2701             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2702             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2703         }
2704         else if( p_stream->i_codec == VLC_CODEC_EAC3 )
2705         {
2706             uint8_t data[1] = { 0x00 };
2707             dvbpsi_PMTESAddDescriptor( p_es, 0x7a, 1, data );
2708         }
2709         else if( p_stream->i_codec == VLC_CODEC_TELETEXT )
2710         {
2711             if( p_stream->i_decoder_specific_info )
2712             {
2713                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2714                                            p_stream->i_decoder_specific_info,
2715                                            p_stream->p_decoder_specific_info );
2716             }
2717             continue;
2718         }
2719         else if( p_stream->i_codec == VLC_CODEC_DVBS )
2720         {
2721             /* DVB subtitles */
2722             if( p_stream->i_decoder_specific_info )
2723             {
2724                 /* pass-through from the TS demux */
2725                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2726                                            p_stream->i_decoder_specific_info,
2727                                            p_stream->p_decoder_specific_info );
2728             }
2729 #ifdef _DVBPSI_DR_59_H_
2730             else
2731             {
2732                 /* from the dvbsub transcoder */
2733                 dvbpsi_subtitling_dr_t descr;
2734                 dvbpsi_subtitle_t sub;
2735                 dvbpsi_descriptor_t *p_descr;
2736
2737                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2738                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2739                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2740                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2741
2742                 descr.i_subtitles_number = 1;
2743                 descr.p_subtitle[0] = sub;
2744
2745                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2746                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2747                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2748                                            p_descr->i_length, p_descr->p_data );
2749             }
2750 #endif /* _DVBPSI_DR_59_H_ */
2751             continue;
2752         }
2753
2754         if( p_stream->lang[0] != 0 )
2755         {
2756             uint8_t data[4*p_stream->i_langs];
2757
2758             /* I construct the content myself, way faster than looking at
2759              * over complicated/mind broken libdvbpsi way */
2760             for(i = 0; i < p_stream->i_langs; i++ )
2761             {
2762                 data[i*4+0] = p_stream->lang[i*3+0];
2763                 data[i*4+1] = p_stream->lang[i*3+1];
2764                 data[i*4+2] = p_stream->lang[i*3+2];
2765                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2766             }
2767             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2768         }
2769     }
2770
2771     for( i = 0; i < p_sys->i_num_pmt; i++ )
2772     {
2773         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2774         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2775         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2776         dvbpsi_DeletePSISections( p_section[i] );
2777         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2778     }
2779
2780 #ifdef HAVE_DVBPSI_SDT
2781     if( p_sys->b_sdt )
2782     {
2783         p_section2 = dvbpsi_GenSDTSections( &sdt );
2784         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2785         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2786         dvbpsi_DeletePSISections( p_section2 );
2787         dvbpsi_EmptySDT( &sdt );
2788     }
2789 #endif
2790 }