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