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