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 <vlc/vlc.h>
  36 #include <vlc_sout.h>
  37 #include <vlc_codecs.h>
  38 #include <vlc_block.h>
  39
  40 #include "iso_lang.h"
  41
  42 #include "bits.h"
  43 #include "pes.h"
  44 #include "csa.h"
  45
  46 #ifdef HAVE_DVBPSI_DR_H
  47 #   include <dvbpsi/dvbpsi.h>
  48 #   include <dvbpsi/demux.h>
  49 #   include <dvbpsi/descriptor.h>
  50 #   include <dvbpsi/pat.h>
  51 #   include <dvbpsi/pmt.h>
  52 #   include <dvbpsi/sdt.h>
  53 #   include <dvbpsi/dr.h>
  54 #   include <dvbpsi/psi.h>
  55 #else
  56 #   include "dvbpsi.h"
  57 #   include "demux.h"
  58 #   include "descriptor.h"
  59 #   include "tables/pat.h"
  60 #   include "tables/pmt.h"
  61 #   include "tables/sdt.h"
  62 #   include "descriptors/dr.h"
  63 #   include "psi.h"
  64 #endif
  65
  66 /*
  67  * TODO:
  68  *  - check PCR frequency requirement
  69  *  - check PAT/PMT  "        "
  70  *  - check PCR/PCR "soft"
  71  *  - check if "registration" descriptor : "AC-3" should be a program
  72  *    descriptor or an es one. (xine want an es one)
  73  *
  74  *  - remove creation of PAT/PMT without dvbpsi
  75  *  - ?
  76  * FIXME:
  77  *  - subtitle support is far from perfect. I expect some subtitles drop
  78  *    if they arrive a bit late
  79  *    (We cannot rely on the fact that the fifo should be full)
  80  */
  81 /*****************************************************************************
  82  * Module descriptor
  83  *****************************************************************************/
  84 static int     Open   ( vlc_object_t * );
  85 static void    Close  ( vlc_object_t * );
  86
  87 #define VPID_TEXT N_("Video PID")
  88 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
  89   "PID will automatically be the video.")
  90 #define APID_TEXT N_("Audio PID")
  91 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
  92 #define SPUPID_TEXT N_("SPU PID")
  93 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
  94 #define PMTPID_TEXT N_("PMT PID")
  95 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
  96 #define TSID_TEXT N_("TS ID")
  97 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
  98 #define NETID_TEXT N_("NET ID")
  99 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
 100
 101 #define PMTPROG_TEXT N_("PMT Program numbers")
 102 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
 103                             "requires \"Set PID to ID of ES\" to be enabled." )
 104
 105 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
 106 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
 107                            "requires \"Set PID to ID of ES\" to be enabled." )
 108
 109 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
 110 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
 111                         "requires \"Set PID to ID of ES\" to be enabled." )
 112
 113 #define PID_TEXT N_("Set PID to ID of ES")
 114 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
 115   "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
 116   "and output streams.")
 117
 118 #define ALIGNMENT_TEXT N_("Data alignment")
 119 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
 120   "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
 121
 122 #define SHAPING_TEXT N_("Shaping delay (ms)")
 123 #define SHAPING_LONGTEXT N_("Cut the " \
 124   "stream in slices of the given duration, and ensure a constant bitrate " \
 125   "between the two boundaries. This avoids having huge bitrate peaks, " \
 126   "especially for reference frames." )
 127
 128 #define KEYF_TEXT N_("Use keyframes")
 129 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
 130   "the TS muxer will place the boundaries at the end of I pictures. In " \
 131   "that case, the shaping duration given by the user is a worse case " \
 132   "used when no reference frame is available. This enhances the efficiency " \
 133   "of the shaping algorithm, since I frames are usually the biggest " \
 134   "frames in the stream.")
 135
 136 #define PCR_TEXT N_("PCR delay (ms)")
 137 #define PCR_LONGTEXT N_("Set at which interval " \
 138   "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
 139   "This value should be below 100ms. (default is 70ms).")
 140
 141 #define BMIN_TEXT N_( "Minimum B (deprecated)")
 142 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
 143
 144 #define BMAX_TEXT N_( "Maximum B (deprecated)")
 145 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
 146
 147 #define DTS_TEXT N_("DTS delay (ms)")
 148 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
 149   "stamps) and PTS (presentation timestamps) of the data in the " \
 150   "stream, compared to the PCRs. This allows for some buffering inside " \
 151   "the client decoder.")
 152
 153 #define ACRYPT_TEXT N_("Crypt audio")
 154 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
 155 #define VCRYPT_TEXT N_("Crypt video")
 156 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
 157
 158 #define CK_TEXT N_("CSA Key")
 159 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
 160   "16 char string (8 hexadecimal bytes).")
 161
 162 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
 163 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
 164     "The encryption routines subtract the TS-header from the value before " \
 165     "encrypting." )
 166
 167 #define SOUT_CFG_PREFIX "sout-ts-"
 168 #ifdef HAVE_BSEARCH
 169 #   define MAX_PMT 64       /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 170 #else
 171 #   define MAX_PMT 1
 172 #endif
 173 #define MAX_PMT_PID 64       /* Maximum pids in each pmt.  FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
 174
 175 vlc_module_begin();
 176     set_description( _("TS muxer (libdvbpsi)") );
 177     set_shortname( "MPEG-TS");
 178     set_category( CAT_SOUT );
 179     set_subcategory( SUBCAT_SOUT_MUX );
 180     set_capability( "sout mux", 120 );
 181     add_shortcut( "ts" );
 182
 183     add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
 184                                   VLC_TRUE );
 185     add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
 186                  APID_LONGTEXT, VLC_TRUE );
 187     add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
 188                  SPUPID_LONGTEXT, VLC_TRUE );
 189     add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
 190                  PMTPID_LONGTEXT, VLC_TRUE );
 191     add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
 192                  TSID_LONGTEXT, VLC_TRUE );
 193 #ifdef HAVE_DVBPSI_SDT
 194     add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
 195                  NETID_LONGTEXT, VLC_TRUE );
 196 #endif
 197     add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
 198                 PMTPROG_LONGTEXT, VLC_TRUE );
 199     add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
 200               VLC_TRUE );
 201     add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, VLC_TRUE );
 202 #ifdef HAVE_DVBPSI_SDT
 203     add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, VLC_TRUE );
 204 #endif
 205     add_bool( SOUT_CFG_PREFIX "alignment", VLC_TRUE, NULL, ALIGNMENT_TEXT,
 206               ALIGNMENT_LONGTEXT, VLC_TRUE );
 207
 208     add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
 209                  SHAPING_LONGTEXT, VLC_TRUE );
 210     add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
 211               KEYF_LONGTEXT, VLC_TRUE );
 212
 213     add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
 214                  VLC_TRUE );
 215     add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
 216                  VLC_TRUE );
 217     add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
 218                  VLC_TRUE );
 219     add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
 220                  DTS_LONGTEXT, VLC_TRUE );
 221
 222     add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
 223               ACRYPT_LONGTEXT, VLC_TRUE );
 224     add_bool( SOUT_CFG_PREFIX "crypt-video", VLC_TRUE, NULL, VCRYPT_TEXT,
 225               VCRYPT_LONGTEXT, VLC_TRUE );
 226
 227     add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
 228                 VLC_TRUE );
 229     add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, VLC_TRUE );
 230
 231     set_callbacks( Open, Close );
 232 vlc_module_end();
 233
 234 /*****************************************************************************
 235  * Local data structures
 236  *****************************************************************************/
 237 static const char *ppsz_sout_options[] = {
 238     "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
 239     "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
 240     "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
 241     "muxpmt", "sdtdesc", "program-pmt", "alignment",
 242     NULL
 243 };
 244
 245 typedef struct pmt_map_t   /* Holds the mapping between the pmt-pid/pmt table */
 246 {
 247     int i_pid;
 248     unsigned long i_prog;
 249 } pmt_map_t;
 250
 251 typedef struct sdt_desc_t
 252 {
 253     char *psz_provider;
 254     char *psz_service_name;  /* name of program */
 255 } sdt_desc_t;
 256
 257 typedef struct
 258 {
 259     int     i_depth;
 260     block_t *p_first;
 261     block_t **pp_last;
 262 } sout_buffer_chain_t;
 263
 264 static inline void BufferChainInit  ( sout_buffer_chain_t *c )
 265 {
 266     c->i_depth = 0;
 267     c->p_first = NULL;
 268     c->pp_last = &c->p_first;
 269 }
 270
 271 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
 272 {
 273     *c->pp_last = b;
 274     c->i_depth++;
 275
 276     while( b->p_next )
 277     {
 278         b = b->p_next;
 279         c->i_depth++;
 280     }
 281     c->pp_last = &b->p_next;
 282 }
 283
 284 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
 285 {
 286     block_t *b = c->p_first;
 287
 288     if( b )
 289     {
 290         c->i_depth--;
 291         c->p_first = b->p_next;
 292
 293         if( c->p_first == NULL )
 294         {
 295             c->pp_last = &c->p_first;
 296         }
 297
 298         b->p_next = NULL;
 299     }
 300     return b;
 301 }
 302
 303 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
 304 {
 305     block_t *b = c->p_first;
 306
 307     return b;
 308 }
 309
 310 static inline void BufferChainClean( sout_buffer_chain_t *c )
 311 {
 312     block_t *b;
 313
 314     while( ( b = BufferChainGet( c ) ) )
 315     {
 316         block_Release( b );
 317     }
 318     BufferChainInit( c );
 319 }
 320
 321 typedef struct ts_stream_t
 322 {
 323     int             i_pid;
 324     vlc_fourcc_t    i_codec;
 325
 326     int             i_stream_type;
 327     int             i_stream_id;
 328     int             i_continuity_counter;
 329     vlc_bool_t      b_discontinuity;
 330
 331     /* to be used for carriege of DIV3 */
 332     vlc_fourcc_t    i_bih_codec;
 333     int             i_bih_width, i_bih_height;
 334
 335     /* Specific to mpeg4 in mpeg2ts */
 336     int             i_es_id;
 337
 338     int             i_decoder_specific_info;
 339     uint8_t         *p_decoder_specific_info;
 340
 341     /* language is iso639-2T */
 342     int             i_langs;
 343     uint8_t         *lang;
 344
 345     sout_buffer_chain_t chain_pes;
 346     mtime_t             i_pes_dts;
 347     mtime_t             i_pes_length;
 348     int                 i_pes_used;
 349     vlc_bool_t          b_key_frame;
 350
 351 } ts_stream_t;
 352
 353 struct sout_mux_sys_t
 354 {
 355     int             i_pcr_pid;
 356     sout_input_t    *p_pcr_input;
 357
 358     int             i_audio_bound;
 359     int             i_video_bound;
 360
 361     vlc_bool_t      b_es_id_pid;
 362     vlc_bool_t      b_sdt;
 363     int             i_pid_video;
 364     int             i_pid_audio;
 365     int             i_pid_spu;
 366     int             i_pid_free; /* first usable pid */
 367
 368     int             i_tsid;
 369     int             i_netid;
 370     int             i_num_pmt;
 371     int             i_pmtslots;
 372     int             i_pat_version_number;
 373     ts_stream_t     pat;
 374
 375     int             i_pmt_version_number;
 376     ts_stream_t     pmt[MAX_PMT];
 377     pmt_map_t       pmtmap[MAX_PMT_PID];
 378     int             i_pmt_program_number[MAX_PMT];
 379     sdt_desc_t      sdt_descriptors[MAX_PMT];
 380     vlc_bool_t      b_data_alignment;
 381
 382     int             i_mpeg4_streams;
 383
 384     int             i_null_continuity_counter;  /* Needed ? */
 385     ts_stream_t     sdt;
 386     dvbpsi_pmt_t    *dvbpmt;
 387
 388     /* for TS building */
 389     int64_t             i_bitrate_min;
 390     int64_t             i_bitrate_max;
 391
 392     int64_t             i_shaping_delay;
 393     int64_t             i_pcr_delay;
 394
 395     int64_t             i_dts_delay;
 396
 397     vlc_bool_t          b_use_key_frames;
 398
 399     mtime_t             i_pcr;  /* last PCR emited */
 400
 401     csa_t               *csa;
 402     int                 i_csa_pkt_size;
 403     vlc_bool_t          b_crypt_audio;
 404     vlc_bool_t          b_crypt_video;
 405 };
 406
 407 /* Reserve a pid and return it */
 408 static int  AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
 409 {
 410     int i_pid;
 411     if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
 412     {
 413         i_pid = p_sys->i_pid_video;
 414         p_sys->i_pid_video = 0;
 415     }
 416     else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
 417     {
 418         i_pid = p_sys->i_pid_audio;
 419         p_sys->i_pid_audio = 0;
 420     }
 421     else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
 422     {
 423         i_pid = p_sys->i_pid_spu;
 424         p_sys->i_pid_spu = 0;
 425     }
 426     else
 427     {
 428         i_pid = ++p_sys->i_pid_free;
 429     }
 430     return i_pid;
 431 }
 432
 433 static int pmtcompare( const void *pa, const void *pb )
 434 {
 435     if ( ((pmt_map_t *)pa)->i_pid  < ((pmt_map_t *)pb)->i_pid )
 436         return -1;
 437     else if ( ((pmt_map_t *)pa)->i_pid  > ((pmt_map_t *)pb)->i_pid )
 438         return 1;
 439     else
 440         return 0;
 441 }
 442
 443 static int intcompare( const void *pa, const void *pb )
 444 {
 445     if ( *(int *)pa  < *(int *)pb )
 446         return -1;
 447     else if ( *(int *)pa > *(int *)pb )
 448         return 1;
 449     else
 450         return 0;
 451 }
 452
 453 /*****************************************************************************
 454  * Local prototypes
 455  *****************************************************************************/
 456 static int Control  ( sout_mux_t *, int, va_list );
 457 static int AddStream( sout_mux_t *, sout_input_t * );
 458 static int DelStream( sout_mux_t *, sout_input_t * );
 459 static int Mux      ( sout_mux_t * );
 460
 461 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
 462 static void TSSchedule  ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 463                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 464 static void TSDate      ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
 465                           mtime_t i_pcr_length, mtime_t i_pcr_dts );
 466 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 467 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
 468
 469 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
 470 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
 471
 472 static void PEStoTS  ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
 473
 474 /*****************************************************************************
 475  * Open:
 476  *****************************************************************************/
 477 static int Open( vlc_object_t *p_this )
 478 {
 479     sout_mux_t          *p_mux =(sout_mux_t*)p_this;
 480     sout_mux_sys_t      *p_sys = NULL;
 481     vlc_value_t         val;
 482     int i;
 483
 484     config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
 485
 486     p_sys = malloc( sizeof( sout_mux_sys_t ) );
 487     if( !p_sys )
 488         return VLC_ENOMEM;
 489     p_sys->i_pmtslots = p_sys->b_sdt = 0;
 490     p_sys->i_num_pmt = 1;
 491     p_sys->dvbpmt = NULL;
 492     memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
 493
 494     p_mux->pf_control   = Control;
 495     p_mux->pf_addstream = AddStream;
 496     p_mux->pf_delstream = DelStream;
 497     p_mux->pf_mux       = Mux;
 498     p_mux->p_sys        = p_sys;
 499
 500     srand( (uint32_t)mdate() );
 501     for ( i = 0; i < MAX_PMT; i++ )
 502         p_sys->sdt_descriptors[i].psz_service_name
 503             = p_sys->sdt_descriptors[i].psz_provider = NULL;
 504     memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
 505
 506     p_sys->i_audio_bound = 0;
 507     p_sys->i_video_bound = 0;
 508
 509     var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
 510     p_sys->b_es_id_pid = val.b_bool;
 511
 512     var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
 513     /*
 514        fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
 515        This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
 516     */
 517     if( val.psz_string != NULL && *val.psz_string )
 518     {
 519         char *psz_next;
 520         char *psz = val.psz_string;
 521         uint16_t i_pid;
 522         psz_next = psz;
 523
 524         while( psz != NULL )
 525         {
 526             i_pid = strtoul( psz, &psz_next, 0 );
 527
 528             if ( strlen(psz_next) > 0 )
 529                 psz = &psz_next[1];
 530             if ( i_pid == 0 )
 531             {
 532                 p_sys->i_num_pmt++;
 533                 if ( p_sys->i_num_pmt > MAX_PMT )
 534                 {
 535                     msg_Err( p_mux,
 536              "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
 537                     p_sys->i_num_pmt = MAX_PMT;
 538                 }
 539             }
 540             else
 541             {
 542                 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
 543                 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
 544                 p_sys->i_pmtslots++;
 545                 if ( p_sys->i_pmtslots > MAX_PMT_PID )
 546                 {
 547                     msg_Err( p_mux,
 548              "Number of pids in PMT greater than compiled maximum (%d)",
 549                              MAX_PMT_PID );
 550                     p_sys->i_pmtslots = MAX_PMT_PID;
 551                 }
 552             }
 553
 554             /* Now sort according to pids for fast search later on */
 555             qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
 556                    sizeof(pmt_map_t), &pmtcompare );
 557             if ( !*psz_next )
 558                 psz = NULL;
 559         }
 560     }
 561     free( val.psz_string );
 562
 563     p_sys->i_pat_version_number = rand() % 32;
 564     p_sys->pat.i_pid = 0;
 565     p_sys->pat.i_continuity_counter = 0;
 566     p_sys->pat.b_discontinuity = VLC_FALSE;
 567
 568     var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
 569     if ( val.i_int )
 570         p_sys->i_tsid = val.i_int;
 571     else
 572         p_sys->i_tsid = rand() % 65536;
 573
 574     p_sys->i_netid = rand() % 65536;
 575 #ifdef HAVE_DVBPSI_SDT
 576     var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
 577     if ( val.i_int )
 578         p_sys->i_netid = val.i_int;
 579 #endif
 580
 581     p_sys->i_pmt_version_number = rand() % 32;
 582     for( i = 0; i < p_sys->i_num_pmt; i++ )
 583     {
 584         p_sys->pmt[i].i_continuity_counter = 0;
 585         p_sys->pmt[i].b_discontinuity = VLC_FALSE;
 586     }
 587
 588     p_sys->sdt.i_pid = 0x11;
 589     p_sys->sdt.i_continuity_counter = 0;
 590     p_sys->sdt.b_discontinuity = VLC_FALSE;
 591
 592 #ifdef HAVE_DVBPSI_SDT
 593     var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
 594     p_sys->b_sdt = val.psz_string && *val.psz_string ? VLC_TRUE : VLC_FALSE;
 595
 596     /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
 597     if( p_sys->b_sdt )
 598     {
 599
 600         char *psz = val.psz_string;
 601         char *psz_sdttoken = psz;
 602
 603         i = 0;
 604         while ( psz_sdttoken != NULL )
 605         {
 606             char *psz_end = strchr( psz_sdttoken, ',' );
 607             if( psz_end != NULL )
 608             {
 609                 *psz_end++ = '\0';
 610             }
 611             if ( !(i % 2) )
 612             {
 613                 p_sys->sdt_descriptors[i/2].psz_provider
 614                     = strdup(psz_sdttoken);
 615             }
 616             else
 617             {
 618                 p_sys->sdt_descriptors[i/2].psz_service_name
 619                     = strdup(psz_sdttoken);
 620             }
 621
 622             i++;
 623             psz_sdttoken = psz_end;
 624         }
 625     }
 626     free( val.psz_string );
 627 #else
 628     p_sys->b_sdt = VLC_FALSE;
 629 #endif
 630
 631     var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
 632     p_sys->b_data_alignment = val.b_bool;
 633
 634     var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
 635     if( val.psz_string && *val.psz_string )
 636     {
 637         char *psz_next;
 638         char *psz = val.psz_string;
 639         uint16_t i_pid;
 640
 641         psz_next = psz;
 642         i = 0;
 643         while ( psz != NULL )
 644         {
 645             i_pid = strtoul( psz, &psz_next, 0 );
 646             if( strlen(psz_next) > 0 )
 647                 psz = &psz_next[1];
 648             else
 649                 psz = NULL;
 650
 651             if( i_pid == 0 )
 652             {
 653                 if( i > MAX_PMT )
 654                     msg_Err( p_mux, "Number of PMTs > maximum (%d)",
 655                              MAX_PMT );
 656             }
 657             else
 658             {
 659                 p_sys->i_pmt_program_number[i] = i_pid;
 660                 i++;
 661             }
 662         }
 663     }
 664     else
 665     {
 666         /* Option not specified, use 1, 2, 3... */
 667         for( i = 0; i < p_sys->i_num_pmt; i++ )
 668             p_sys->i_pmt_program_number[i] = i + 1;
 669     }
 670     free( val.psz_string );
 671
 672     var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
 673     if( val.i_int )
 674     {
 675         for( i = 0; i < p_sys->i_num_pmt; i++ )
 676             p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
 677     }
 678     else
 679     {
 680         for( i = 0; i < p_sys->i_num_pmt; i++ )
 681             p_sys->pmt[i].i_pid = 0x42 + i;
 682     }
 683
 684     p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
 685
 686     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
 687     p_sys->i_pid_video = val.i_int;
 688     if ( p_sys->i_pid_video > p_sys->i_pid_free )
 689     {
 690         p_sys->i_pid_free = p_sys->i_pid_video + 1;
 691     }
 692
 693     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
 694     p_sys->i_pid_audio = val.i_int;
 695     if ( p_sys->i_pid_audio > p_sys->i_pid_free )
 696     {
 697         p_sys->i_pid_free = p_sys->i_pid_audio + 1;
 698     }
 699
 700     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
 701     p_sys->i_pid_spu = val.i_int;
 702     if ( p_sys->i_pid_spu > p_sys->i_pid_free )
 703     {
 704         p_sys->i_pid_free = p_sys->i_pid_spu + 1;
 705     }
 706
 707     p_sys->i_pcr_pid = 0x1fff;
 708     p_sys->p_pcr_input = NULL;
 709
 710     p_sys->i_mpeg4_streams = 0;
 711
 712     p_sys->i_null_continuity_counter = 0;
 713
 714     /* Allow to create constrained stream */
 715     var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
 716     p_sys->i_bitrate_min = val.i_int;
 717
 718     var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
 719     p_sys->i_bitrate_max = val.i_int;
 720
 721     if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
 722         p_sys->i_bitrate_min > p_sys->i_bitrate_max )
 723     {
 724         msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
 725                  "disabling bitrate control" );
 726         p_sys->i_bitrate_min = 0;
 727         p_sys->i_bitrate_max = 0;
 728     }
 729     if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
 730     {
 731         msg_Err( p_mux, "bmin and bmax no more supported "
 732                  "(if you need them report it)" );
 733     }
 734
 735     var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
 736     p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
 737     if( p_sys->i_shaping_delay <= 0 )
 738     {
 739         msg_Err( p_mux,
 740                  "invalid shaping ("I64Fd"ms) resetting to 200ms",
 741                  p_sys->i_shaping_delay / 1000 );
 742         p_sys->i_shaping_delay = 200000;
 743     }
 744
 745     var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
 746     p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
 747     if( p_sys->i_pcr_delay <= 0 ||
 748         p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
 749     {
 750         msg_Err( p_mux,
 751                  "invalid pcr delay ("I64Fd"ms) resetting to 70ms",
 752                  p_sys->i_pcr_delay / 1000 );
 753         p_sys->i_pcr_delay = 70000;
 754     }
 755
 756     var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
 757     p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
 758
 759     msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
 760              p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
 761
 762     var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
 763     p_sys->b_use_key_frames = val.b_bool;
 764
 765     /* for TS generation */
 766     p_sys->i_pcr    = 0;
 767
 768     p_sys->csa      = NULL;
 769     var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
 770     if( val.psz_string && *val.psz_string )
 771     {
 772         char *psz = val.psz_string;
 773
 774         /* skip 0x */
 775         if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
 776         {
 777             psz += 2;
 778         }
 779         if( strlen( psz ) != 16 )
 780         {
 781             msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
 782         }
 783         else
 784         {
 785             uint64_t i_ck = strtoull( psz, NULL, 16 );
 786             uint8_t  ck[8];
 787             int      i;
 788
 789             for( i = 0; i < 8; i++ )
 790             {
 791                 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
 792             }
 793 #ifndef TS_NO_CSA_CK_MSG
 794             msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
 795                      ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
 796 #endif
 797             p_sys->csa = csa_New();
 798             if( p_sys->csa )
 799             {
 800                 vlc_value_t pkt_val;
 801
 802                 csa_SetCW( p_sys->csa, ck, ck );
 803
 804                 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
 805                 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
 806                 {
 807                     msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
 808                     msg_Warn( p_mux, "using default packet size of 188 bytes" );
 809                     p_sys->i_csa_pkt_size = 188;
 810                 }
 811                 else p_sys->i_csa_pkt_size = pkt_val.i_int;
 812                 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
 813             }
 814         }
 815     }
 816     free( val.psz_string );
 817
 818     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
 819     p_sys->b_crypt_audio = val.b_bool;
 820
 821     var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
 822     p_sys->b_crypt_video = val.b_bool;
 823
 824     return VLC_SUCCESS;
 825 }
 826
 827 /*****************************************************************************
 828  * Close:
 829  *****************************************************************************/
 830 static void Close( vlc_object_t * p_this )
 831 {
 832     sout_mux_t          *p_mux = (sout_mux_t*)p_this;
 833     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 834     int i;
 835
 836     if( p_sys->csa )
 837     {
 838         csa_Delete( p_sys->csa );
 839     }
 840     for( i = 0; i < MAX_PMT; i++ )
 841     {
 842         free( p_sys->sdt_descriptors[i].psz_service_name );
 843         free( p_sys->sdt_descriptors[i].psz_provider );
 844     }
 845
 846     free( p_sys->dvbpmt );
 847     free( p_sys );
 848 }
 849
 850 /*****************************************************************************
 851  * Control:
 852  *****************************************************************************/
 853 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
 854 {
 855     VLC_UNUSED(p_mux);
 856     vlc_bool_t *pb_bool;
 857     char **ppsz;
 858
 859     switch( i_query )
 860     {
 861         case MUX_CAN_ADD_STREAM_WHILE_MUXING:
 862             pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 863             *pb_bool = VLC_TRUE;
 864             return VLC_SUCCESS;
 865
 866         case MUX_GET_ADD_STREAM_WAIT:
 867             pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
 868             *pb_bool = VLC_FALSE;
 869             return VLC_SUCCESS;
 870
 871         case MUX_GET_MIME:
 872             ppsz = (char**)va_arg( args, char ** );
 873             *ppsz = strdup( "video/mpeg" );  /* FIXME not sure */
 874             return VLC_SUCCESS;
 875
 876         default:
 877             return VLC_EGENERIC;
 878     }
 879 }
 880
 881 /*****************************************************************************
 882  * AddStream: called for each stream addition
 883  *****************************************************************************/
 884 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
 885 {
 886     sout_mux_sys_t      *p_sys = p_mux->p_sys;
 887     ts_stream_t         *p_stream;
 888     int                  i;
 889
 890     p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
 891     if( !p_input->p_sys )
 892         return VLC_ENOMEM;
 893
 894     /* Init this new stream */
 895     if ( p_sys->b_es_id_pid )
 896         p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
 897     else
 898         p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
 899     p_stream->i_codec = p_input->p_fmt->i_codec;
 900     p_stream->i_continuity_counter    = 0;
 901     p_stream->b_discontinuity         = VLC_FALSE;
 902     p_stream->i_decoder_specific_info = 0;
 903     p_stream->p_decoder_specific_info = NULL;
 904
 905     msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
 906              (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
 907
 908     /* All others fields depand on codec */
 909     switch( p_input->p_fmt->i_cat )
 910     {
 911         case VIDEO_ES:
 912             switch( p_input->p_fmt->i_codec )
 913             {
 914                 case VLC_FOURCC( 'm', 'p','g', 'v' ):
 915                     /* TODO: do we need to check MPEG-I/II ? */
 916                     p_stream->i_stream_type = 0x02;
 917                     p_stream->i_stream_id = 0xe0;
 918                     break;
 919                 case VLC_FOURCC( 'm', 'p','4', 'v' ):
 920                     p_stream->i_stream_type = 0x10;
 921                     p_stream->i_stream_id = 0xe0;
 922                     p_stream->i_es_id = p_stream->i_pid;
 923                     break;
 924                 case VLC_FOURCC( 'h', '2','6', '4' ):
 925                     p_stream->i_stream_type = 0x1b;
 926                     p_stream->i_stream_id = 0xe0;
 927                     break;
 928                 /* XXX dirty dirty but somebody want that:
 929                  *     using crapy MS-codec XXX */
 930                 /* I didn't want to do that :P */
 931                 case VLC_FOURCC( 'H', '2', '6', '3' ):
 932                 case VLC_FOURCC( 'I', '2', '6', '3' ):
 933                 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
 934                 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
 935                 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
 936                 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
 937                 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
 938                 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
 939                 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
 940                     p_stream->i_stream_type = 0xa0; /* private */
 941                     p_stream->i_stream_id = 0xa0;   /* beurk */
 942                     p_stream->i_bih_codec  = p_input->p_fmt->i_codec;
 943                     p_stream->i_bih_width  = p_input->p_fmt->video.i_width;
 944                     p_stream->i_bih_height = p_input->p_fmt->video.i_height;
 945                     break;
 946                 default:
 947                     free( p_stream );
 948                     return VLC_EGENERIC;
 949             }
 950             p_sys->i_video_bound++;
 951             break;
 952
 953         case AUDIO_ES:
 954             switch( p_input->p_fmt->i_codec )
 955             {
 956                 case VLC_FOURCC( 'm', 'p','g', 'a' ):
 957                 case VLC_FOURCC( 'm', 'p', '3', ' ' ):
 958                     p_stream->i_stream_type =
 959                         p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
 960                     p_stream->i_stream_id = 0xc0;
 961                     break;
 962                 case VLC_FOURCC( 'a', '5','2', ' ' ):
 963                     p_stream->i_stream_type = 0x81;
 964                     p_stream->i_stream_id = 0xbd;
 965                     break;
 966                 case VLC_FOURCC( 'l', 'p','c', 'm' ):
 967                     p_stream->i_stream_type = 0x83;
 968                     p_stream->i_stream_id = 0xbd;
 969                     break;
 970                 case VLC_FOURCC( 'd', 't','s', ' ' ):
 971                     p_stream->i_stream_type = 0x06;
 972                     p_stream->i_stream_id = 0xbd;
 973                     break;
 974                 case VLC_FOURCC( 'm', 'p','4', 'a' ):
 975                     p_stream->i_stream_type = 0x11;
 976                     p_stream->i_stream_id = 0xfa;
 977                     p_sys->i_mpeg4_streams++;
 978                     p_stream->i_es_id = p_stream->i_pid;
 979                     break;
 980                 default:
 981                     free( p_stream );
 982                     return VLC_EGENERIC;
 983             }
 984             p_sys->i_audio_bound++;
 985             break;
 986
 987         case SPU_ES:
 988             switch( p_input->p_fmt->i_codec )
 989             {
 990                 case VLC_FOURCC( 's', 'p','u', ' ' ):
 991                     p_stream->i_stream_type = 0x82;
 992                     p_stream->i_stream_id = 0xbd;
 993                     break;
 994                 case VLC_FOURCC( 's', 'u','b', 't' ):
 995                     p_stream->i_stream_type = 0x12;
 996                     p_stream->i_stream_id = 0xfa;
 997                     p_sys->i_mpeg4_streams++;
 998                     p_stream->i_es_id = p_stream->i_pid;
 999                     break;
1000                 case VLC_FOURCC('d','v','b','s'):
1001                     p_stream->i_stream_type = 0x06;
1002                     p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1003                     p_stream->i_stream_id = 0xbd;
1004                     break;
1005                 case VLC_FOURCC('t','e','l','x'):
1006                     p_stream->i_stream_type = 0x06;
1007                     p_stream->i_stream_id = 0xbd; /* FIXME */
1008                     break;
1009                 default:
1010                     free( p_stream );
1011                     return VLC_EGENERIC;
1012             }
1013             break;
1014
1015         default:
1016             free( p_stream );
1017             return VLC_EGENERIC;
1018     }
1019
1020     p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1021     p_stream->lang = malloc(p_stream->i_langs*3);
1022     if( !p_stream->lang )
1023     {
1024         p_stream->i_langs = 0;
1025         free( p_stream );
1026         return VLC_ENOMEM;
1027     }
1028     i = 1;
1029     p_stream->lang[0] =
1030     p_stream->lang[1] =
1031     p_stream->lang[2] = '\0';
1032     if( p_input->p_fmt->psz_language )
1033     {
1034         char *psz = p_input->p_fmt->psz_language;
1035         const iso639_lang_t *pl = NULL;
1036
1037         if( strlen( psz ) == 2 )
1038         {
1039             pl = GetLang_1( psz );
1040         }
1041         else if( strlen( psz ) == 3 )
1042         {
1043             pl = GetLang_2B( psz );
1044             if( !strcmp( pl->psz_iso639_1, "??" ) )
1045             {
1046                 pl = GetLang_2T( psz );
1047             }
1048         }
1049         if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1050         {
1051             p_stream->lang[0] = pl->psz_iso639_2T[0];
1052             p_stream->lang[1] = pl->psz_iso639_2T[1];
1053             p_stream->lang[2] = pl->psz_iso639_2T[2];
1054
1055             msg_Dbg( p_mux, "    - lang=%c%c%c",
1056                      p_stream->lang[0], p_stream->lang[1],
1057                      p_stream->lang[2] );
1058         }
1059     }
1060     while( i < p_stream->i_langs ) {
1061         if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1062         {
1063             char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1064             const iso639_lang_t *pl = NULL;
1065
1066             if( strlen( psz ) == 2 )
1067             {
1068                 pl = GetLang_1( psz );
1069             }
1070             else if( strlen( psz ) == 3 )
1071             {
1072                 pl = GetLang_2B( psz );
1073                 if( !strcmp( pl->psz_iso639_1, "??" ) )
1074                 {
1075                     pl = GetLang_2T( psz );
1076                 }
1077             }
1078             if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1079             {
1080                 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1081                 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1082                 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1083
1084                 msg_Dbg( p_mux, "    - lang=%c%c%c",
1085                          p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1086                          p_stream->lang[i*3+2] );
1087             }
1088         }
1089         i++;
1090     }
1091
1092     /* Create decoder specific info for subt */
1093     if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1094     {
1095         uint8_t *p;
1096
1097         p_stream->i_decoder_specific_info = 55;
1098         p_stream->p_decoder_specific_info = p =
1099             malloc( p_stream->i_decoder_specific_info );
1100         if( p )
1101         {
1102             p[0] = 0x10;    /* textFormat, 0x10 for 3GPP TS 26.245 */
1103             p[1] = 0x00;    /* flags: 1b: associated video info flag
1104                                     3b: reserved
1105                                     1b: duration flag
1106                                     3b: reserved */
1107             p[2] = 52;      /* remaining size */
1108
1109             p += 3;
1110
1111             p[0] = p[1] = p[2] = p[3] = 0; p+=4;    /* display flags */
1112             *p++ = 0;  /* horizontal justification (-1: left, 0 center, 1 right) */
1113             *p++ = 1;  /* vertical   justification (-1: top, 0 center, 1 bottom) */
1114
1115             p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1116             *p++ = 0xff;                    /* background a */
1117
1118             p[0] = p[1] = 0; p += 2;        /* text box top */
1119             p[0] = p[1] = 0; p += 2;        /* text box left */
1120             p[0] = p[1] = 0; p += 2;        /* text box bottom */
1121             p[0] = p[1] = 0; p += 2;        /* text box right */
1122
1123             p[0] = p[1] = 0; p += 2;        /* start char */
1124             p[0] = p[1] = 0; p += 2;        /* end char */
1125             p[0] = p[1] = 0; p += 2;        /* default font id */
1126
1127             *p++ = 0;                       /* font style flags */
1128             *p++ = 12;                      /* font size */
1129
1130             p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1131             *p++ = 0x00;                    /* foreground a */
1132
1133             p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1134             memcpy( p, "ftab", 4 ); p += 4;
1135             *p++ = 0; *p++ = 1;             /* entry count */
1136             p[0] = p[1] = 0; p += 2;        /* font id */
1137             *p++ = 9;                       /* font name length */
1138             memcpy( p, "Helvetica", 9 );    /* font name */
1139         }
1140         else p_stream->i_decoder_specific_info = 0;
1141     }
1142     else
1143     {
1144         /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1145         p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1146         if( p_stream->i_decoder_specific_info > 0 )
1147         {
1148             p_stream->p_decoder_specific_info =
1149                 malloc( p_stream->i_decoder_specific_info );
1150             if( p_stream->p_decoder_specific_info )
1151             {
1152                 memcpy( p_stream->p_decoder_specific_info,
1153                         p_input->p_fmt->p_extra,
1154                         p_input->p_fmt->i_extra );
1155             }
1156             else p_stream->i_decoder_specific_info = 0;
1157         }
1158     }
1159
1160     /* Init pes chain */
1161     BufferChainInit( &p_stream->chain_pes );
1162     p_stream->i_pes_dts    = 0;
1163     p_stream->i_pes_length = 0;
1164     p_stream->i_pes_used   = 0;
1165     p_stream->b_key_frame  = 0;
1166
1167     /* We only change PMT version (PAT isn't changed) */
1168     p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1169
1170     /* Update pcr_pid */
1171     if( p_input->p_fmt->i_cat != SPU_ES &&
1172         ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1173     {
1174         if( p_sys->p_pcr_input )
1175         {
1176             /* There was already a PCR stream, so clean context */
1177             /* FIXME */
1178         }
1179         p_sys->i_pcr_pid   = p_stream->i_pid;
1180         p_sys->p_pcr_input = p_input;
1181
1182         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1183     }
1184
1185     return VLC_SUCCESS;
1186 }
1187
1188 /*****************************************************************************
1189  * DelStream: called before a stream deletion
1190  *****************************************************************************/
1191 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1192 {
1193     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1194     ts_stream_t     *p_stream;
1195     vlc_value_t     val;
1196
1197     p_stream = (ts_stream_t*)p_input->p_sys;
1198     msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1199
1200     if( p_sys->i_pcr_pid == p_stream->i_pid )
1201     {
1202         int i;
1203
1204         /* Find a new pcr stream (Prefer Video Stream) */
1205         p_sys->i_pcr_pid = 0x1fff;
1206         p_sys->p_pcr_input = NULL;
1207         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1208         {
1209             if( p_mux->pp_inputs[i] == p_input )
1210             {
1211                 continue;
1212             }
1213
1214             if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1215             {
1216                 p_sys->i_pcr_pid  =
1217                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1218                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1219                 break;
1220             }
1221             else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1222                      p_sys->i_pcr_pid == 0x1fff )
1223             {
1224                 p_sys->i_pcr_pid  =
1225                     ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1226                 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1227             }
1228         }
1229         if( p_sys->p_pcr_input )
1230         {
1231             /* Empty TS buffer */
1232             /* FIXME */
1233         }
1234         msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1235     }
1236
1237     /* Empty all data in chain_pes */
1238     BufferChainClean( &p_stream->chain_pes );
1239
1240     free(p_stream->lang);
1241     free( p_stream->p_decoder_specific_info );
1242     if( p_stream->i_stream_id == 0xfa ||
1243         p_stream->i_stream_id == 0xfb ||
1244         p_stream->i_stream_id == 0xfe )
1245     {
1246         p_sys->i_mpeg4_streams--;
1247     }
1248
1249     var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1250     if( val.i_int > 0 )
1251     {
1252         int i_pid_video = val.i_int;
1253         if ( i_pid_video == p_stream->i_pid )
1254         {
1255             p_sys->i_pid_video = i_pid_video;
1256             msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1257         }
1258     }
1259     var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1260     if( val.i_int > 0 )
1261     {
1262         int i_pid_audio = val.i_int;
1263         if ( i_pid_audio == p_stream->i_pid )
1264         {
1265             p_sys->i_pid_audio = i_pid_audio;
1266             msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1267         }
1268     }
1269     var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1270     if( val.i_int > 0 )
1271     {
1272         int i_pid_spu = val.i_int;
1273         if ( i_pid_spu == p_stream->i_pid )
1274         {
1275             p_sys->i_pid_spu = i_pid_spu;
1276             msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1277         }
1278     }
1279     free( p_stream );
1280
1281     /* We only change PMT version (PAT isn't changed) */
1282     p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1283
1284     return VLC_SUCCESS;
1285 }
1286
1287 /*****************************************************************************
1288  * Mux: Call each time there is new data for at least one stream
1289  *****************************************************************************
1290  *
1291  *****************************************************************************/
1292 static int Mux( sout_mux_t *p_mux )
1293 {
1294     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1295     ts_stream_t     *p_pcr_stream;
1296
1297     if( p_sys->i_pcr_pid == 0x1fff )
1298     {
1299         int i;
1300         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1301         {
1302             block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1303         }
1304         msg_Dbg( p_mux, "waiting for PCR streams" );
1305         msleep( 1000 );
1306         return VLC_SUCCESS;
1307     }
1308     p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1309
1310     for( ;; )
1311     {
1312         sout_buffer_chain_t chain_ts;
1313         int                 i_packet_count;
1314         int                 i_packet_pos;
1315         mtime_t             i_pcr_dts;
1316         mtime_t             i_pcr_length;
1317         mtime_t             i_shaping_delay;
1318         int i;
1319
1320         if( p_pcr_stream->b_key_frame )
1321         {
1322             i_shaping_delay = p_pcr_stream->i_pes_length;
1323         }
1324         else
1325         {
1326             i_shaping_delay = p_sys->i_shaping_delay;
1327         }
1328
1329         /* 1: get enough PES packet for all input */
1330         for( ;; )
1331         {
1332             vlc_bool_t b_ok = VLC_TRUE;
1333             block_t *p_data;
1334
1335             /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1336             /* Accumulate enough data in all other stream ( >= length of pcr)*/
1337             for( i = -1; i < p_mux->i_nb_inputs; i++ )
1338             {
1339                 sout_input_t *p_input;
1340                 ts_stream_t *p_stream;
1341                 int64_t i_spu_delay = 0;
1342
1343                 if( i == -1 )
1344                     p_input = p_sys->p_pcr_input;
1345                 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1346                     continue;
1347                 else
1348                     p_input = p_mux->pp_inputs[i];
1349                 p_stream = (ts_stream_t*)p_input->p_sys;
1350
1351                 if( ( ( p_stream == p_pcr_stream ) &&
1352                       ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1353                     ( p_stream->i_pes_dts + p_stream->i_pes_length <
1354                       p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1355                 {
1356                     /* Need more data */
1357                     if( block_FifoCount( p_input->p_fifo ) <= 1 )
1358                     {
1359                         if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1360                             ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1361                         {
1362                             /* We need more data */
1363                             return VLC_SUCCESS;
1364                         }
1365                         else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1366                         {
1367                             /* spu, only one packet is needed */
1368                             continue;
1369                         }
1370                         else if( p_input->p_fmt->i_cat == SPU_ES )
1371                         {
1372                             /* Don't mux the SPU yet if it is too early */
1373                             block_t *p_spu = block_FifoShow( p_input->p_fifo );
1374
1375                             i_spu_delay =
1376                                 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1377
1378                             if( ( i_spu_delay > i_shaping_delay ) &&
1379                                 ( i_spu_delay < I64C(100000000) ) )
1380                                 continue;
1381
1382                             if ( ( i_spu_delay >= I64C(100000000) ) ||
1383                                  ( i_spu_delay < I64C(10000) ) )
1384                             {
1385                                 BufferChainClean( &p_stream->chain_pes );
1386                                 p_stream->i_pes_dts = 0;
1387                                 p_stream->i_pes_used = 0;
1388                                 p_stream->i_pes_length = 0;
1389                                 continue;
1390                             }
1391                         }
1392                     }
1393                     b_ok = VLC_FALSE;
1394
1395                     if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1396                          || p_input->p_fmt->i_codec !=
1397                              VLC_FOURCC('m', 'p', 'g', 'a') )
1398                         p_data = block_FifoGet( p_input->p_fifo );
1399                     else
1400                         p_data = FixPES( p_mux, p_input->p_fifo );
1401
1402                     if( block_FifoCount( p_input->p_fifo ) > 0 &&
1403                         p_input->p_fmt->i_cat != SPU_ES )
1404                     {
1405                         block_t *p_next = block_FifoShow( p_input->p_fifo );
1406                         p_data->i_length = p_next->i_dts - p_data->i_dts;
1407                     }
1408                     else if( p_input->p_fmt->i_codec !=
1409                                VLC_FOURCC('s', 'u', 'b', 't' ) )
1410                         p_data->i_length = 1000;
1411
1412                     if( ( p_pcr_stream->i_pes_dts > 0 &&
1413                           p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1414                           p_pcr_stream->i_pes_length ) ||
1415                         p_data->i_dts < p_stream->i_pes_dts ||
1416                         ( p_stream->i_pes_dts > 0 &&
1417                           p_input->p_fmt->i_cat != SPU_ES &&
1418                           p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1419                           p_stream->i_pes_length ) )
1420                     {
1421                         msg_Warn( p_mux, "packet with too strange dts "
1422                                   "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1423                                   p_data->i_dts, p_stream->i_pes_dts,
1424                                   p_pcr_stream->i_pes_dts );
1425                         block_Release( p_data );
1426
1427                         BufferChainClean( &p_stream->chain_pes );
1428                         p_stream->i_pes_dts = 0;
1429                         p_stream->i_pes_used = 0;
1430                         p_stream->i_pes_length = 0;
1431
1432                         if( p_input->p_fmt->i_cat != SPU_ES )
1433                         {
1434                             BufferChainClean( &p_pcr_stream->chain_pes );
1435                             p_pcr_stream->i_pes_dts = 0;
1436                             p_pcr_stream->i_pes_used = 0;
1437                             p_pcr_stream->i_pes_length = 0;
1438                         }
1439                     }
1440                     else
1441                     {
1442                         int i_header_size = 0;
1443                         int b_data_alignment = 0;
1444                         if( p_input->p_fmt->i_cat == SPU_ES )
1445                         {
1446                             if( p_input->p_fmt->i_codec ==
1447                                 VLC_FOURCC('s','u','b','t') )
1448                             {
1449                                 /* Prepend header */
1450                                 p_data = block_Realloc( p_data, 2,
1451                                                         p_data->i_buffer );
1452                                 p_data->p_buffer[0] =
1453                                     ( (p_data->i_buffer - 2) >> 8) & 0xff;
1454                                 p_data->p_buffer[1] =
1455                                     ( (p_data->i_buffer - 2)     ) & 0xff;
1456
1457                                 /* remove trailling \0 if any */
1458                                 if( p_data->i_buffer > 2 &&
1459                                     p_data->p_buffer[p_data->i_buffer -1] ==
1460                                     '\0' )
1461                                     p_data->i_buffer--;
1462
1463                                 /* Append a empty sub (sub text only) */
1464                                 if( p_data->i_length > 0 &&
1465                                     !( p_data->i_buffer == 1 &&
1466                                        *p_data->p_buffer == ' ' ) )
1467                                 {
1468                                     block_t *p_spu = block_New( p_mux, 3 );
1469
1470                                     p_spu->i_dts = p_spu->i_pts =
1471                                         p_data->i_dts + p_data->i_length;
1472                                     p_spu->i_length = 1000;
1473
1474                                     p_spu->p_buffer[0] = 0;
1475                                     p_spu->p_buffer[1] = 1;
1476                                     p_spu->p_buffer[2] = ' ';
1477
1478                                     E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1479                                                  p_input->p_fmt,
1480                                                  p_stream->i_stream_id, 1,
1481                                                  0, 0, 0 );
1482                                     p_data->p_next = p_spu;
1483                                 }
1484                             }
1485                             else if( p_input->p_fmt->i_codec ==
1486                                        VLC_FOURCC('t','e','l','x') )
1487                             {
1488                                 /* EN 300 472 */
1489                                 i_header_size = 0x24;
1490                                 b_data_alignment = 1;
1491                             }
1492                             else if( p_input->p_fmt->i_codec ==
1493                                        VLC_FOURCC('d','v','b','s') )
1494                             {
1495                                 /* EN 300 743 */
1496                                 b_data_alignment = 1;
1497                             }
1498                         }
1499                         else if( p_data->i_length < 0 ||
1500                                  p_data->i_length > 2000000 )
1501                         {
1502                             /* FIXME choose a better value, but anyway we
1503                              * should never have to do that */
1504                             p_data->i_length = 1000;
1505                         }
1506
1507                         p_stream->i_pes_length += p_data->i_length;
1508                         if( p_stream->i_pes_dts == 0 )
1509                         {
1510                             p_stream->i_pes_dts = p_data->i_dts;
1511                         }
1512
1513                         /* Convert to pes */
1514                         if( p_stream->i_stream_id == 0xa0 &&
1515                             p_data->i_pts <= 0 )
1516                         {
1517                             /* XXX yes I know, it's awful, but it's needed,
1518                              * so don't remove it ... */
1519                             p_data->i_pts = p_data->i_dts;
1520                         }
1521
1522                         E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1523                                        p_input->p_fmt, p_stream->i_stream_id,
1524                                        1, b_data_alignment, i_header_size, 0 );
1525
1526                         BufferChainAppend( &p_stream->chain_pes, p_data );
1527
1528                         if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1529                             && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1530                             && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1531                             && (p_stream->i_pes_length > 400000) )
1532                         {
1533                             i_shaping_delay = p_stream->i_pes_length;
1534                             p_stream->b_key_frame = 1;
1535                         }
1536                     }
1537                 }
1538             }
1539
1540             if( b_ok )
1541             {
1542                 break;
1543             }
1544         }
1545
1546         /* save */
1547         i_pcr_dts      = p_pcr_stream->i_pes_dts;
1548         i_pcr_length   = p_pcr_stream->i_pes_length;
1549         p_pcr_stream->b_key_frame = 0;
1550
1551         /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1552         /* 2: calculate non accurate total size of muxed ts */
1553         i_packet_count = 0;
1554         for( i = 0; i < p_mux->i_nb_inputs; i++ )
1555         {
1556             ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1557             block_t *p_pes;
1558
1559             /* False for pcr stream but it will be enough to do PCR algo */
1560             for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1561                  p_pes = p_pes->p_next )
1562             {
1563                 int i_size = p_pes->i_buffer;
1564                 if( p_pes->i_dts + p_pes->i_length >
1565                     p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1566                 {
1567                     mtime_t i_frag = p_pcr_stream->i_pes_dts +
1568                         p_pcr_stream->i_pes_length - p_pes->i_dts;
1569                     if( i_frag < 0 )
1570                     {
1571                         /* Next stream */
1572                         break;
1573                     }
1574                     i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1575                 }
1576                 i_packet_count += ( i_size + 183 ) / 184;
1577             }
1578         }
1579         /* add overhead for PCR (not really exact) */
1580         i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1581
1582         /* 3: mux PES into TS */
1583         BufferChainInit( &chain_ts );
1584         /* append PAT/PMT  -> FIXME with big pcr delay it won't have enough pat/pmt */
1585         GetPAT( p_mux, &chain_ts );
1586         GetPMT( p_mux, &chain_ts );
1587         i_packet_pos = 0;
1588         i_packet_count += chain_ts.i_depth;
1589         /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1590
1591         for( ;; )
1592         {
1593             int         i_stream;
1594             mtime_t     i_dts;
1595             ts_stream_t *p_stream;
1596             sout_input_t *p_input;
1597             block_t *p_ts;
1598             vlc_bool_t   b_pcr;
1599
1600             /* Select stream (lowest dts) */
1601             for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1602             {
1603                 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1604
1605                 if( p_stream->i_pes_dts == 0 )
1606                 {
1607                     continue;
1608                 }
1609
1610                 if( i_stream == -1 ||
1611                     p_stream->i_pes_dts < i_dts )
1612                 {
1613                     i_stream = i;
1614                     i_dts = p_stream->i_pes_dts;
1615                 }
1616             }
1617             if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1618             {
1619                 break;
1620             }
1621             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1622             p_input = p_mux->pp_inputs[i_stream];
1623
1624             /* do we need to issue pcr */
1625             b_pcr = VLC_FALSE;
1626             if( p_stream == p_pcr_stream &&
1627                 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1628                 p_sys->i_pcr + p_sys->i_pcr_delay )
1629             {
1630                 b_pcr = VLC_TRUE;
1631                 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1632                     i_pcr_length / i_packet_count;
1633             }
1634
1635             /* Build the TS packet */
1636             p_ts = TSNew( p_mux, p_stream, b_pcr );
1637             if( p_sys->csa != NULL &&
1638                  (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1639                  (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1640             {
1641                 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1642             }
1643             i_packet_pos++;
1644
1645             /* */
1646             BufferChainAppend( &chain_ts, p_ts );
1647         }
1648
1649         /* 4: date and send */
1650         TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1651     }
1652 }
1653
1654 #define STD_PES_PAYLOAD 170
1655 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1656 {
1657     block_t *p_data;
1658     int i_size;
1659
1660     p_data = block_FifoShow( p_fifo );
1661     i_size = p_data->i_buffer;
1662
1663     if( i_size == STD_PES_PAYLOAD )
1664     {
1665         return block_FifoGet( p_fifo );
1666     }
1667     else if( i_size > STD_PES_PAYLOAD )
1668     {
1669         block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1670         p_mux->p_libvlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1671         p_new->i_pts = p_data->i_pts;
1672         p_new->i_dts = p_data->i_dts;
1673         p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1674                             / p_data->i_buffer;
1675         p_data->i_buffer -= STD_PES_PAYLOAD;
1676         p_data->p_buffer += STD_PES_PAYLOAD;
1677         p_data->i_pts += p_new->i_length;
1678         p_data->i_dts += p_new->i_length;
1679         p_data->i_length -= p_new->i_length;
1680         p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1681         return p_new;
1682     }
1683     else
1684     {
1685         block_t *p_next;
1686         int i_copy;
1687
1688         p_data = block_FifoGet( p_fifo );
1689         p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1690         p_next = block_FifoShow( p_fifo );
1691         if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1692         {
1693             p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1694             p_data->i_pts = p_next->i_pts;
1695             p_data->i_dts = p_next->i_dts;
1696         }
1697         i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1698
1699         p_mux->p_libvlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1700                                  i_copy );
1701         p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1702         p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1703         p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1704         p_next->i_buffer -= i_copy;
1705         p_next->p_buffer += i_copy;
1706         p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1707
1708         if( !p_next->i_buffer )
1709         {
1710             p_next = block_FifoGet( p_fifo );
1711             block_Release( p_next );
1712         }
1713         return p_data;
1714     }
1715 }
1716
1717 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1718                         mtime_t i_pcr_length, mtime_t i_pcr_dts )
1719 {
1720     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1721     sout_buffer_chain_t new_chain;
1722     int i_packet_count = p_chain_ts->i_depth;
1723     int i;
1724
1725     BufferChainInit( &new_chain );
1726
1727     if ( i_pcr_length <= 0 )
1728     {
1729         i_pcr_length = i_packet_count;
1730     }
1731
1732     for( i = 0; i < i_packet_count; i++ )
1733     {
1734         block_t *p_ts = BufferChainGet( p_chain_ts );
1735         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1736
1737         BufferChainAppend( &new_chain, p_ts );
1738
1739         if( p_ts->i_dts &&
1740             p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1741         {
1742             mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1743             mtime_t i_cut_dts = p_ts->i_dts;
1744
1745             p_ts = BufferChainPeek( p_chain_ts );
1746             i++;
1747             i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1748             while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1749             {
1750                 p_ts = BufferChainGet( p_chain_ts );
1751                 i_max_diff = i_new_dts - p_ts->i_dts;
1752                 i_cut_dts = p_ts->i_dts;
1753                 BufferChainAppend( &new_chain, p_ts );
1754
1755                 p_ts = BufferChainPeek( p_chain_ts );
1756                 i++;
1757                 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1758             }
1759             msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1760                      i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1761                      p_chain_ts->i_depth );
1762             if ( new_chain.i_depth )
1763                 TSDate( p_mux, &new_chain,
1764                         i_cut_dts - i_pcr_dts,
1765                         i_pcr_dts );
1766             if ( p_chain_ts->i_depth )
1767                 TSSchedule( p_mux,
1768                             p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1769                             i_cut_dts );
1770             return;
1771         }
1772     }
1773
1774     if ( new_chain.i_depth )
1775         TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1776 }
1777
1778 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1779                     mtime_t i_pcr_length, mtime_t i_pcr_dts )
1780 {
1781     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1782     int i_packet_count = p_chain_ts->i_depth;
1783     int i;
1784
1785     if ( i_pcr_length / 1000 > 0 )
1786     {
1787         int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1788                           / (uint64_t)(i_pcr_length / 1000);
1789         if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1790         {
1791             msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1792                       " (%d bi/s for %d pkt in "I64Fd" us)",
1793                       i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1794                       i_bitrate, i_packet_count, i_pcr_length);
1795         }
1796 #if 0
1797         else
1798         {
1799             msg_Dbg( p_mux, "starting at "I64Fd
1800                      " (%d bi/s for %d packets in "I64Fd" us)",
1801                      i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1802                      i_bitrate, i_packet_count, i_pcr_length);
1803         }
1804 #endif
1805     }
1806     else
1807     {
1808         /* This shouldn't happen, but happens in some rare heavy load
1809          * and packet losses conditions. */
1810         i_pcr_length = i_packet_count;
1811     }
1812
1813     /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1814     for( i = 0; i < i_packet_count; i++ )
1815     {
1816         block_t *p_ts = BufferChainGet( p_chain_ts );
1817         mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1818
1819         p_ts->i_dts    = i_new_dts;
1820         p_ts->i_length = i_pcr_length / i_packet_count;
1821
1822         if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1823         {
1824             /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1825             TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1826         }
1827         if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1828         {
1829             csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size, 0 );
1830         }
1831
1832         /* latency */
1833         p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1834
1835         sout_AccessOutWrite( p_mux->p_access, p_ts );
1836     }
1837 }
1838
1839 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1840                        vlc_bool_t b_pcr )
1841 {
1842     block_t *p_pes = p_stream->chain_pes.p_first;
1843     block_t *p_ts;
1844
1845     vlc_bool_t b_new_pes = VLC_FALSE;
1846     vlc_bool_t b_adaptation_field = VLC_FALSE;
1847
1848     int        i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1849     int        i_payload;
1850
1851     if( p_stream->i_pes_used <= 0 )
1852     {
1853         b_new_pes = VLC_TRUE;
1854     }
1855     i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1856                        i_payload_max );
1857
1858     if( b_pcr || i_payload < i_payload_max )
1859     {
1860         b_adaptation_field = VLC_TRUE;
1861     }
1862
1863     p_ts = block_New( p_mux, 188 );
1864     p_ts->i_dts = p_pes->i_dts;
1865
1866     p_ts->p_buffer[0] = 0x47;
1867     p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1868         ( ( p_stream->i_pid >> 8 )&0x1f );
1869     p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1870     p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1871         p_stream->i_continuity_counter;
1872
1873     p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1874     p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
1875
1876     if( b_adaptation_field )
1877     {
1878         int i;
1879
1880         if( b_pcr )
1881         {
1882             int     i_stuffing = i_payload_max - i_payload;
1883
1884             p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1885
1886             p_ts->p_buffer[4] = 7 + i_stuffing;
1887             p_ts->p_buffer[5] = 0x10;   /* flags */
1888             if( p_stream->b_discontinuity )
1889             {
1890                 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
1891                 p_stream->b_discontinuity = VLC_FALSE;
1892             }
1893             p_ts->p_buffer[6] = ( 0 )&0xff;
1894             p_ts->p_buffer[7] = ( 0 )&0xff;
1895             p_ts->p_buffer[8] = ( 0 )&0xff;
1896             p_ts->p_buffer[9] = ( 0 )&0xff;
1897             p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1898             p_ts->p_buffer[11]= 0;
1899
1900             for( i = 12; i < 12 + i_stuffing; i++ )
1901             {
1902                 p_ts->p_buffer[i] = 0xff;
1903             }
1904         }
1905         else
1906         {
1907             int i_stuffing = i_payload_max - i_payload;
1908
1909             p_ts->p_buffer[4] = i_stuffing - 1;
1910             if( i_stuffing > 1 )
1911             {
1912                 p_ts->p_buffer[5] = 0x00;
1913                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1914                 {
1915                     p_ts->p_buffer[i] = 0xff;
1916                 }
1917             }
1918         }
1919     }
1920
1921     /* copy payload */
1922     memcpy( &p_ts->p_buffer[188 - i_payload],
1923             &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1924
1925     p_stream->i_pes_used += i_payload;
1926     p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1927         p_stream->i_pes_used / p_pes->i_buffer;
1928     p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1929
1930     if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1931     {
1932         p_pes = BufferChainGet( &p_stream->chain_pes );
1933         block_Release( p_pes );
1934
1935         p_pes = p_stream->chain_pes.p_first;
1936         if( p_pes )
1937         {
1938             p_stream->i_pes_dts    = p_pes->i_dts;
1939             p_stream->i_pes_length = 0;
1940             while( p_pes )
1941             {
1942                 p_stream->i_pes_length += p_pes->i_length;
1943
1944                 p_pes = p_pes->p_next;
1945             }
1946         }
1947         else
1948         {
1949             p_stream->i_pes_dts = 0;
1950             p_stream->i_pes_length = 0;
1951         }
1952         p_stream->i_pes_used = 0;
1953     }
1954
1955     return p_ts;
1956 }
1957
1958 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1959 {
1960     mtime_t i_pcr = 9 * i_dts / 100;
1961
1962     p_ts->p_buffer[6]  = ( i_pcr >> 25 )&0xff;
1963     p_ts->p_buffer[7]  = ( i_pcr >> 17 )&0xff;
1964     p_ts->p_buffer[8]  = ( i_pcr >> 9  )&0xff;
1965     p_ts->p_buffer[9]  = ( i_pcr >> 1  )&0xff;
1966     p_ts->p_buffer[10]|= ( i_pcr << 7  )&0x80;
1967 }
1968
1969 #if 0
1970 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1971                               mtime_t i_length, int i_bitrate_min,
1972                               int i_bitrate_max )
1973 {
1974     sout_mux_sys_t  *p_sys = p_mux->p_sys;
1975     sout_buffer_chain_t s = *c;
1976
1977     int i_packets = 0;
1978     int i_packets_min = 0;
1979     int i_packets_max = 0;
1980
1981     if( i_length <= 0 )
1982     {
1983         return;
1984     }
1985
1986     i_packets     = c->i_depth;
1987     i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000  + 187 ) / 188;
1988     i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000  + 187 ) / 188;
1989
1990     if( i_packets < i_packets_min && i_packets_min > 0 )
1991     {
1992         block_t *p_pk;
1993         int i_div = ( i_packets_min - i_packets ) / i_packets;
1994         int i_mod = ( i_packets_min - i_packets ) % i_packets;
1995         int i_rest = 0;
1996
1997         /* We need to pad with null packets (pid=0x1fff)
1998          * We try to melt null packets with true packets */
1999         msg_Dbg( p_mux,
2000                  "packets=%d but min=%d -> adding %d packets of padding",
2001                  i_packets, i_packets_min, i_packets_min - i_packets );
2002
2003         BufferChainInit( c );
2004         while( ( p_pk = BufferChainGet( &s ) ) )
2005         {
2006             int i, i_null;
2007
2008             BufferChainAppend( c, p_pk );
2009
2010             i_null = i_div + ( i_rest + i_mod ) / i_packets;
2011
2012             for( i = 0; i < i_null; i++ )
2013             {
2014                 block_t *p_null;
2015
2016                 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2017                 p_null->p_buffer[0] = 0x47;
2018                 p_null->p_buffer[1] = 0x1f;
2019                 p_null->p_buffer[2] = 0xff;
2020                 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2021                 memset( &p_null->p_buffer[4], 0, 184 );
2022                 p_sys->i_null_continuity_counter =
2023                     ( p_sys->i_null_continuity_counter + 1 ) % 16;
2024
2025                 BufferChainAppend( c, p_null );
2026             }
2027
2028             i_rest = ( i_rest + i_mod ) % i_packets;
2029         }
2030     }
2031     else if( i_packets > i_packets_max && i_packets_max > 0 )
2032     {
2033         block_t *p_pk;
2034         int           i;
2035
2036         /* Arg, we need to drop packets, I don't do something clever (like
2037          * dropping complete pid, b frames, ... ), I just get the right amount
2038          * of packets and discard the others */
2039         msg_Warn( p_mux,
2040                   "packets=%d but max=%d -> removing %d packets -> stream broken",
2041                   i_packets, i_packets_max, i_packets - i_packets_max );
2042
2043         BufferChainInit( c );
2044         for( i = 0; i < i_packets_max; i++ )
2045         {
2046             BufferChainAppend( c, BufferChainGet( &s ) );
2047         }
2048
2049         while( ( p_pk = BufferChainGet( &s ) ) )
2050         {
2051             sout_BufferDelete( p_mux->p_sout, p_pk );
2052         }
2053     }
2054 }
2055 #endif
2056
2057 static void PEStoTS( sout_instance_t *p_sout,
2058                      sout_buffer_chain_t *c, block_t *p_pes,
2059                      ts_stream_t *p_stream )
2060 {
2061     uint8_t *p_data;
2062     int     i_size;
2063     int     b_new_pes;
2064
2065     /* get PES total size */
2066     i_size = p_pes->i_buffer;
2067     p_data = p_pes->p_buffer;
2068
2069     b_new_pes = VLC_TRUE;
2070
2071     for( ;; )
2072     {
2073         int           b_adaptation_field;
2074         int           i_copy;
2075         block_t *p_ts;
2076
2077         p_ts = block_New( p_sout, 188 );
2078         /* write header
2079          * 8b   0x47    sync byte
2080          * 1b           transport_error_indicator
2081          * 1b           payload_unit_start
2082          * 1b           transport_priority
2083          * 13b          pid
2084          * 2b           transport_scrambling_control
2085          * 2b           if adaptation_field 0x03 else 0x01
2086          * 4b           continuity_counter
2087          */
2088
2089         i_copy    = __MIN( i_size, 184 );
2090         b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
2091
2092         p_ts->p_buffer[0] = 0x47;
2093         p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2094                             ( ( p_stream->i_pid >> 8 )&0x1f );
2095         p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2096         p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2097                             p_stream->i_continuity_counter;
2098
2099         b_new_pes = VLC_FALSE;
2100         p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2101
2102         if( b_adaptation_field )
2103         {
2104             int i_stuffing = 184 - i_copy;
2105             int i;
2106
2107             p_ts->p_buffer[4] = i_stuffing - 1;
2108             if( i_stuffing > 1 )
2109             {
2110                 p_ts->p_buffer[5] = 0x00;
2111                 if( p_stream->b_discontinuity )
2112                 {
2113                     p_ts->p_buffer[5] |= 0x80;
2114                     p_stream->b_discontinuity = VLC_FALSE;
2115                 }
2116                 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2117                 {
2118                     p_ts->p_buffer[i] = 0xff;
2119                 }
2120             }
2121         }
2122         /* copy payload */
2123         memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2124         p_data += i_copy;
2125         i_size -= i_copy;
2126
2127         BufferChainAppend( c, p_ts );
2128
2129         if( i_size <= 0 )
2130         {
2131             block_t *p_next = p_pes->p_next;
2132
2133             p_pes->p_next = NULL;
2134             block_Release( p_pes );
2135             if( p_next == NULL )
2136             {
2137                 break;
2138             }
2139             b_new_pes = VLC_TRUE;
2140             p_pes = p_next;
2141             i_size = p_pes->i_buffer;
2142             p_data = p_pes->p_buffer;
2143         }
2144     }
2145
2146     return;
2147 }
2148
2149 static block_t *WritePSISection( sout_instance_t *p_sout,
2150                                        dvbpsi_psi_section_t* p_section )
2151 {
2152     block_t   *p_psi, *p_first = NULL;
2153
2154     while( p_section )
2155     {
2156         int             i_size;
2157
2158         i_size =  (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2159                   ( p_section->b_syntax_indicator ? 4 : 0 );
2160
2161         p_psi = block_New( p_sout, i_size + 1 );
2162         p_psi->i_pts = 0;
2163         p_psi->i_dts = 0;
2164         p_psi->i_length = 0;
2165         p_psi->i_buffer = i_size + 1;
2166
2167         p_psi->p_buffer[0] = 0; /* pointer */
2168         memcpy( p_psi->p_buffer + 1,
2169                 p_section->p_data,
2170                 i_size );
2171
2172         block_ChainAppend( &p_first, p_psi );
2173
2174         p_section = p_section->p_next;
2175     }
2176
2177     return( p_first );
2178 }
2179
2180 static void GetPAT( sout_mux_t *p_mux,
2181                     sout_buffer_chain_t *c )
2182 {
2183     sout_mux_sys_t       *p_sys = p_mux->p_sys;
2184     block_t              *p_pat;
2185     dvbpsi_pat_t         pat;
2186     dvbpsi_psi_section_t *p_section;
2187     int i;
2188
2189     dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2190                     1 );      /* b_current_next */
2191     /* add all programs */
2192     for ( i = 0; i < p_sys->i_num_pmt; i++ )
2193         dvbpsi_PATAddProgram( &pat,
2194                               p_sys->i_pmt_program_number[i],
2195                               p_sys->pmt[i].i_pid );
2196
2197     p_section = dvbpsi_GenPATSections( &pat,
2198                                        0 );     /* max program per section */
2199
2200     p_pat = WritePSISection( p_mux->p_sout, p_section );
2201
2202     PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2203
2204     dvbpsi_DeletePSISections( p_section );
2205     dvbpsi_EmptyPAT( &pat );
2206 }
2207
2208 static uint32_t GetDescriptorLength24b( int i_length )
2209 {
2210     uint32_t i_l1, i_l2, i_l3;
2211
2212     i_l1 = i_length&0x7f;
2213     i_l2 = ( i_length >> 7 )&0x7f;
2214     i_l3 = ( i_length >> 14 )&0x7f;
2215
2216     return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2217 }
2218
2219 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2220 {
2221     sout_mux_sys_t  *p_sys = p_mux->p_sys;
2222     block_t   *p_pmt[MAX_PMT];
2223
2224     dvbpsi_pmt_es_t     *p_es;
2225     dvbpsi_psi_section_t *p_section[MAX_PMT];
2226
2227     int             i_pidinput;
2228     int             i_stream;
2229     int             i;
2230     int             *p_usepid = NULL;
2231
2232 #ifdef HAVE_DVBPSI_SDT
2233     block_t         *p_sdt;
2234     dvbpsi_sdt_t    sdt;
2235
2236     dvbpsi_psi_section_t* p_section2;
2237     dvbpsi_sdt_service_t *p_service;
2238
2239     uint8_t         *psz_sdt_desc;
2240 #endif
2241
2242     if( p_sys->dvbpmt == NULL )
2243     {
2244         p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2245         if( !p_sys->dvbpmt )
2246         {
2247             return;
2248         }
2249     }
2250 #ifdef HAVE_DVBPSI_SDT
2251     if( p_sys->b_sdt )
2252         dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2253 #endif
2254
2255     for( i = 0; i < p_sys->i_num_pmt; i++ )
2256     {
2257         dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2258                         p_sys->i_pmt_program_number[i],   /* program number */
2259                         p_sys->i_pmt_version_number,
2260                         1,      /* b_current_next */
2261                         p_sys->i_pcr_pid );
2262
2263 #ifdef HAVE_DVBPSI_SDT
2264         if( p_sys->b_sdt )
2265         {
2266             p_service = dvbpsi_SDTAddService( &sdt,
2267                 p_sys->i_pmt_program_number[i],  /* service id */
2268                 0,         /* eit schedule */
2269                 0,         /* eit present */
2270                 4,         /* running status ("4=RUNNING") */
2271                 0 );       /* free ca */
2272
2273 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2274 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2275
2276             /* FIXME: Ineffecient malloc's & ugly code......  */
2277             if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2278             {
2279                 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2280                                          + strlen(psz_sdtserv) );
2281                 if( psz_sdt_desc )
2282                 {
2283                     psz_sdt_desc[0] = 0x01; /* digital television service */
2284
2285                     /* service provider name length */
2286                     psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2287                     memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2288
2289                     /* service name length */
2290                     psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2291                         = (char)strlen(psz_sdtserv);
2292                     memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2293                             strlen(psz_sdtserv) );
2294
2295                     dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2296                             3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2297                             (uint8_t *)psz_sdt_desc );
2298                     free( psz_sdt_desc );
2299                     psz_sdt_desc = NULL;
2300                 }
2301             }
2302 #undef psz_sdtprov
2303 #undef psz_sdtserv
2304         }
2305 #endif
2306     }
2307
2308     if( p_sys->i_mpeg4_streams > 0 )
2309     {
2310         uint8_t iod[4096];
2311         bits_buffer_t bits;
2312         bits_buffer_t bits_fix_IOD;
2313
2314         /* Make valgrind happy : it works at byte level not bit one so
2315          * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2316          * working (needed when fixing some bits) */
2317         memset( iod, 0, 4096 );
2318
2319         bits_initwrite( &bits, 4096, iod );
2320         /* IOD_label_scope */
2321         bits_write( &bits, 8,   0x11 );
2322         /* IOD_label */
2323         bits_write( &bits, 8,   0x01 );
2324         /* InitialObjectDescriptor */
2325         bits_align( &bits );
2326         bits_write( &bits, 8,   0x02 );     /* tag */
2327         bits_fix_IOD = bits;    /* save states to fix length later */
2328         bits_write( &bits, 24,
2329             GetDescriptorLength24b( 0 ) );  /* variable length (fixed later) */
2330         bits_write( &bits, 10,  0x01 );     /* ObjectDescriptorID */
2331         bits_write( &bits, 1,   0x00 );     /* URL Flag */
2332         bits_write( &bits, 1,   0x00 );     /* includeInlineProfileLevelFlag */
2333         bits_write( &bits, 4,   0x0f );     /* reserved */
2334         bits_write( &bits, 8,   0xff );     /* ODProfile (no ODcapability ) */
2335         bits_write( &bits, 8,   0xff );     /* sceneProfile */
2336         bits_write( &bits, 8,   0xfe );     /* audioProfile (unspecified) */
2337         bits_write( &bits, 8,   0xfe );     /* visualProfile( // ) */
2338         bits_write( &bits, 8,   0xff );     /* graphicProfile (no ) */
2339         for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2340         {
2341             ts_stream_t *p_stream;
2342             p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2343
2344             if( p_stream->i_stream_id == 0xfa ||
2345                 p_stream->i_stream_id == 0xfb ||
2346                 p_stream->i_stream_id == 0xfe )
2347             {
2348                 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2349                 /* ES descriptor */
2350                 bits_align( &bits );
2351                 bits_write( &bits, 8,   0x03 );     /* ES_DescrTag */
2352                 bits_fix_ESDescr = bits;
2353                 bits_write( &bits, 24,
2354                             GetDescriptorLength24b( 0 ) ); /* variable size */
2355                 bits_write( &bits, 16,  p_stream->i_es_id );
2356                 bits_write( &bits, 1,   0x00 );     /* streamDependency */
2357                 bits_write( &bits, 1,   0x00 );     /* URL Flag */
2358                 bits_write( &bits, 1,   0x00 );     /* OCRStreamFlag */
2359                 bits_write( &bits, 5,   0x1f );     /* streamPriority */
2360
2361                 /* DecoderConfigDesciptor */
2362                 bits_align( &bits );
2363                 bits_write( &bits, 8,   0x04 ); /* DecoderConfigDescrTag */
2364                 bits_fix_Decoder = bits;
2365                 bits_write( &bits, 24,  GetDescriptorLength24b( 0 ) );
2366                 if( p_stream->i_stream_type == 0x10 )
2367                 {
2368                     bits_write( &bits, 8, 0x20 );   /* Visual 14496-2 */
2369                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2370                 }
2371                 else if( p_stream->i_stream_type == 0x1b )
2372                 {
2373                     bits_write( &bits, 8, 0x21 );   /* Visual 14496-2 */
2374                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2375                 }
2376                 else if( p_stream->i_stream_type == 0x11  || p_stream->i_stream_type == 0x0f )
2377                 {
2378                     bits_write( &bits, 8, 0x40 );   /* Audio 14496-3 */
2379                     bits_write( &bits, 6, 0x05 );   /* AudioStream */
2380                 }
2381                 else if( p_stream->i_stream_type == 0x12 &&
2382                          p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2383                 {
2384                     bits_write( &bits, 8, 0x0B );   /* Text Stream */
2385                     bits_write( &bits, 6, 0x04 );   /* VisualStream */
2386                 }
2387                 else
2388                 {
2389                     bits_write( &bits, 8, 0x00 );
2390                     bits_write( &bits, 6, 0x00 );
2391
2392                     msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2393                              "broken IOD" );
2394                 }
2395                 bits_write( &bits, 1,   0x00 );         /* UpStream */
2396                 bits_write( &bits, 1,   0x01 );         /* reserved */
2397                 bits_write( &bits, 24,  1024 * 1024 );  /* bufferSizeDB */
2398                 bits_write( &bits, 32,  0x7fffffff );   /* maxBitrate */
2399                 bits_write( &bits, 32,  0 );            /* avgBitrate */
2400
2401                 if( p_stream->i_decoder_specific_info > 0 )
2402                 {
2403                     int i;
2404                     /* DecoderSpecificInfo */
2405                     bits_align( &bits );
2406                     bits_write( &bits, 8,   0x05 ); /* tag */
2407                     bits_write( &bits, 24, GetDescriptorLength24b(
2408                                 p_stream->i_decoder_specific_info ) );
2409                     for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2410                     {
2411                         bits_write( &bits, 8,
2412                             ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2413                     }
2414                 }
2415                 /* fix Decoder length */
2416                 bits_write( &bits_fix_Decoder, 24,
2417                             GetDescriptorLength24b( bits.i_data -
2418                             bits_fix_Decoder.i_data - 3 ) );
2419
2420                 /* SLConfigDescriptor : predefined (0x01) */
2421                 bits_align( &bits );
2422                 bits_write( &bits, 8,   0x06 ); /* tag */
2423                 bits_write( &bits, 24,  GetDescriptorLength24b( 8 ) );
2424                 bits_write( &bits, 8,   0x01 );/* predefined */
2425                 bits_write( &bits, 1,   0 );   /* durationFlag */
2426                 bits_write( &bits, 32,  0 );   /* OCRResolution */
2427                 bits_write( &bits, 8,   0 );   /* OCRLength */
2428                 bits_write( &bits, 8,   0 );   /* InstantBitrateLength */
2429                 bits_align( &bits );
2430
2431                 /* fix ESDescr length */
2432                 bits_write( &bits_fix_ESDescr, 24,
2433                             GetDescriptorLength24b( bits.i_data -
2434                             bits_fix_ESDescr.i_data - 3 ) );
2435             }
2436         }
2437         bits_align( &bits );
2438         /* fix IOD length */
2439         bits_write( &bits_fix_IOD, 24,
2440                     GetDescriptorLength24b( bits.i_data -
2441                                             bits_fix_IOD.i_data - 3 ) );
2442
2443 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2444         i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2445         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2446                             sizeof(pmt_map_t), intcompare );
2447         p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2448                             sizeof(pmt_map_t), pmtcompare );
2449         if( p_usepid != NULL )
2450             dvbpsi_PMTAddDescriptor(
2451                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2452                     bits.i_data, bits.p_data );
2453         else
2454             msg_Err( p_mux, "Received an unmapped PID" );
2455 #else
2456         dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2457                                  bits.p_data );
2458 #endif
2459     }
2460
2461     for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2462     {
2463         ts_stream_t *p_stream;
2464
2465         p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2466
2467 #ifdef HAVE_BSEARCH
2468         i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2469         p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2470                             sizeof(pmt_map_t), intcompare );
2471
2472         if( p_usepid != NULL )
2473             p_es = dvbpsi_PMTAddES(
2474                     &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2475                     p_stream->i_stream_type, p_stream->i_pid );
2476         else
2477             /* If there's an error somewhere, dump it to the first pmt */
2478 #endif
2479             p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2480                                     p_stream->i_pid );
2481
2482         if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2483         {
2484             uint8_t     es_id[2];
2485
2486             /* SL descriptor */
2487             es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2488             es_id[1] = (p_stream->i_es_id)&0xff;
2489             dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2490         }
2491         else if( p_stream->i_stream_type == 0xa0 )
2492         {
2493             uint8_t data[512];
2494             int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2495
2496             /* private DIV3 descripor */
2497             memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2498             data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2499             data[5] = ( p_stream->i_bih_width      )&0xff;
2500             data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2501             data[7] = ( p_stream->i_bih_height     )&0xff;
2502             data[8] = ( i_extra >> 8 )&0xff;
2503             data[9] = ( i_extra      )&0xff;
2504             if( i_extra > 0 )
2505             {
2506                 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2507             }
2508
2509             /* 0xa0 is private */
2510             dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2511         }
2512         else if( p_stream->i_stream_type == 0x81 )
2513         {
2514             uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2515
2516             /* "registration" descriptor : "AC-3" */
2517             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2518         }
2519         else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2520         {
2521             /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2522
2523             /* DTS format identifier, frame size 1024 - FIXME */
2524             uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2525             dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2526         }
2527         else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2528         {
2529             if( p_stream->i_decoder_specific_info )
2530             {
2531                 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2532                                            p_stream->i_decoder_specific_info,
2533                                            p_stream->p_decoder_specific_info );
2534             }
2535             continue;
2536         }
2537         else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2538         {
2539             /* DVB subtitles */
2540             if( p_stream->i_decoder_specific_info )
2541             {
2542                 /* pass-through from the TS demux */
2543                 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2544                                            p_stream->i_decoder_specific_info,
2545                                            p_stream->p_decoder_specific_info );
2546             }
2547 #ifdef _DVBPSI_DR_59_H_
2548             else
2549             {
2550                 /* from the dvbsub transcoder */
2551                 dvbpsi_subtitling_dr_t descr;
2552                 dvbpsi_subtitle_t sub;
2553                 dvbpsi_descriptor_t *p_descr;
2554
2555                 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2556                 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2557                 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2558                 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2559
2560                 descr.i_subtitles_number = 1;
2561                 descr.p_subtitle[0] = sub;
2562
2563                 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2564                 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2565                 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2566                                            p_descr->i_length, p_descr->p_data );
2567             }
2568 #endif /* _DVBPSI_DR_59_H_ */
2569             continue;
2570         }
2571
2572         if( p_stream->lang[0] != 0 )
2573         {
2574             uint8_t data[4*p_stream->i_langs];
2575
2576             /* I construct the content myself, way faster than looking at
2577              * over complicated/mind broken libdvbpsi way */
2578             for(i = 0; i < p_stream->i_langs; i++ )
2579             {
2580                 data[i*4+0] = p_stream->lang[i*3+0];
2581                 data[i*4+1] = p_stream->lang[i*3+1];
2582                 data[i*4+2] = p_stream->lang[i*3+2];
2583                 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2584             }
2585             dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2586         }
2587     }
2588
2589     for( i = 0; i < p_sys->i_num_pmt; i++ )
2590     {
2591         p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2592         p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2593         PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2594         dvbpsi_DeletePSISections( p_section[i] );
2595         dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2596     }
2597
2598 #ifdef HAVE_DVBPSI_SDT
2599     if( p_sys->b_sdt )
2600     {
2601         p_section2 = dvbpsi_GenSDTSections( &sdt );
2602         p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2603         PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2604         dvbpsi_DeletePSISections( p_section2 );
2605         dvbpsi_EmptySDT( &sdt );
2606     }
2607 #endif
2608 }