1 /*****************************************************************************
2 * ts.c: MPEG-II TS Muxer
3 *****************************************************************************
4 * Copyright (C) 2001-2005 the VideoLAN team
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>
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.
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.
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 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
33 #include <vlc_codecs.h>
34 #include <vlc_block.h>
42 #ifdef HAVE_DVBPSI_DR_H
43 # include <dvbpsi/dvbpsi.h>
44 # include <dvbpsi/demux.h>
45 # include <dvbpsi/descriptor.h>
46 # include <dvbpsi/pat.h>
47 # include <dvbpsi/pmt.h>
48 # include <dvbpsi/sdt.h>
49 # include <dvbpsi/dr.h>
50 # include <dvbpsi/psi.h>
54 # include "descriptor.h"
55 # include "tables/pat.h"
56 # include "tables/pmt.h"
57 # include "tables/sdt.h"
58 # include "descriptors/dr.h"
64 * - check PCR frequency requirement
66 * - check PCR/PCR "soft"
67 * - check if "registration" descriptor : "AC-3" should be a program
68 * descriptor or an es one. (xine want an es one)
70 * - remove creation of PAT/PMT without dvbpsi
73 * - subtitle support is far from perfect. I expect some subtitles drop
74 * if they arrive a bit late
75 * (We cannot rely on the fact that the fifo should be full)
77 /*****************************************************************************
79 *****************************************************************************/
80 static int Open ( vlc_object_t * );
81 static void Close ( vlc_object_t * );
83 #define VPID_TEXT N_("Video PID")
84 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
85 "PID will automatically be the video.")
86 #define APID_TEXT N_("Audio PID")
87 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
88 #define SPUPID_TEXT N_("SPU PID")
89 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
90 #define PMTPID_TEXT N_("PMT PID")
91 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
92 #define TSID_TEXT N_("TS ID")
93 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
94 #define NETID_TEXT N_("NET ID")
95 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
97 #define PMTPROG_TEXT N_("PMT Program numbers")
98 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
99 "requires \"Set PID to ID of ES\" to be enabled." )
101 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
102 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
103 "requires \"Set PID to ID of ES\" to be enabled." )
105 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
106 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
107 "requires \"Set PID to ID of ES\" to be enabled." )
109 #define PID_TEXT N_("Set PID to ID of ES")
110 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
111 "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
112 "and output streams.")
114 #define ALIGNMENT_TEXT N_("Data alignment")
115 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
116 "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
118 #define SHAPING_TEXT N_("Shaping delay (ms)")
119 #define SHAPING_LONGTEXT N_("Cut the " \
120 "stream in slices of the given duration, and ensure a constant bitrate " \
121 "between the two boundaries. This avoids having huge bitrate peaks, " \
122 "especially for reference frames." )
124 #define KEYF_TEXT N_("Use keyframes")
125 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
126 "the TS muxer will place the boundaries at the end of I pictures. In " \
127 "that case, the shaping duration given by the user is a worse case " \
128 "used when no reference frame is available. This enhances the efficiency " \
129 "of the shaping algorithm, since I frames are usually the biggest " \
130 "frames in the stream.")
132 #define PCR_TEXT N_("PCR delay (ms)")
133 #define PCR_LONGTEXT N_("Set at which interval " \
134 "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
135 "This value should be below 100ms. (default is 70ms).")
137 #define BMIN_TEXT N_( "Minimum B (deprecated)")
138 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
140 #define BMAX_TEXT N_( "Maximum B (deprecated)")
141 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
143 #define DTS_TEXT N_("DTS delay (ms)")
144 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
145 "stamps) and PTS (presentation timestamps) of the data in the " \
146 "stream, compared to the PCRs. This allows for some buffering inside " \
147 "the client decoder.")
149 #define ACRYPT_TEXT N_("Crypt audio")
150 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
151 #define VCRYPT_TEXT N_("Crypt video")
152 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
154 #define CK_TEXT N_("CSA Key")
155 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
156 "16 char string (8 hexadecimal bytes).")
158 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
159 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
160 "The encryption routines subtract the TS-header from the value before " \
163 #define SOUT_CFG_PREFIX "sout-ts-"
165 # define MAX_PMT 64 /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
169 #define MAX_PMT_PID 64 /* Maximum pids in each pmt. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
172 set_description( _("TS muxer (libdvbpsi)") );
173 set_shortname( "MPEG-TS");
174 set_category( CAT_SOUT );
175 set_subcategory( SUBCAT_SOUT_MUX );
176 set_capability( "sout mux", 120 );
177 add_shortcut( "ts" );
179 add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
182 add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
183 APID_LONGTEXT, VLC_TRUE );
185 add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
186 SPUPID_LONGTEXT, VLC_TRUE );
188 add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
189 PMTPID_LONGTEXT, VLC_TRUE );
191 add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
192 TSID_LONGTEXT, VLC_TRUE );
194 #ifdef HAVE_DVBPSI_SDT
195 add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
196 NETID_LONGTEXT, VLC_TRUE );
199 add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
200 PMTPROG_LONGTEXT, VLC_TRUE );
202 add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
205 add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, VLC_TRUE );
207 #ifdef HAVE_DVBPSI_SDT
208 add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, VLC_TRUE );
211 add_bool( SOUT_CFG_PREFIX "alignment", VLC_TRUE, NULL, ALIGNMENT_TEXT,
212 ALIGNMENT_LONGTEXT, VLC_TRUE );
215 add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
216 SHAPING_LONGTEXT, VLC_TRUE );
218 add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
219 KEYF_LONGTEXT, VLC_TRUE );
222 add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
225 add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
228 add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
231 add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
232 DTS_LONGTEXT, VLC_TRUE );
235 add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
236 ACRYPT_LONGTEXT, VLC_TRUE );
238 add_bool( SOUT_CFG_PREFIX "crypt-video", VLC_TRUE, NULL, VCRYPT_TEXT,
239 VCRYPT_LONGTEXT, VLC_TRUE );
242 add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
245 add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, VLC_TRUE );
248 set_callbacks( Open, Close );
251 /*****************************************************************************
252 * Local data structures
253 *****************************************************************************/
254 static const char *ppsz_sout_options[] = {
255 "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
256 "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
257 "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
258 "muxpmt", "sdtdesc", "program-pmt", "alignment",
262 typedef struct pmt_map_t /* Holds the mapping between the pmt-pid/pmt table */
265 unsigned long i_prog;
268 typedef struct sdt_desc_t
271 char *psz_service_name; /* name of program */
279 } sout_buffer_chain_t;
281 static inline void BufferChainInit ( sout_buffer_chain_t *c )
285 c->pp_last = &c->p_first;
288 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
298 c->pp_last = &b->p_next;
301 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
303 block_t *b = c->p_first;
308 c->p_first = b->p_next;
310 if( c->p_first == NULL )
312 c->pp_last = &c->p_first;
320 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
322 block_t *b = c->p_first;
327 static inline void BufferChainClean( sout_instance_t *p_sout,
328 sout_buffer_chain_t *c )
332 while( ( b = BufferChainGet( c ) ) )
336 BufferChainInit( c );
339 typedef struct ts_stream_t
342 vlc_fourcc_t i_codec;
346 int i_continuity_counter;
347 vlc_bool_t b_discontinuity;
349 /* to be used for carriege of DIV3 */
350 vlc_fourcc_t i_bih_codec;
351 int i_bih_width, i_bih_height;
353 /* Specific to mpeg4 in mpeg2ts */
356 int i_decoder_specific_info;
357 uint8_t *p_decoder_specific_info;
359 /* language is iso639-2T */
363 sout_buffer_chain_t chain_pes;
365 mtime_t i_pes_length;
367 vlc_bool_t b_key_frame;
371 struct sout_mux_sys_t
374 sout_input_t *p_pcr_input;
379 vlc_bool_t b_es_id_pid;
384 int i_pid_free; /* first usable pid */
390 int i_pat_version_number;
393 int i_pmt_version_number;
394 ts_stream_t pmt[MAX_PMT];
395 pmt_map_t pmtmap[MAX_PMT_PID];
396 int i_pmt_program_number[MAX_PMT];
397 sdt_desc_t sdt_descriptors[MAX_PMT];
398 vlc_bool_t b_data_alignment;
402 int i_null_continuity_counter; /* Needed ? */
404 dvbpsi_pmt_t *dvbpmt;
406 /* for TS building */
407 int64_t i_bitrate_min;
408 int64_t i_bitrate_max;
410 int64_t i_shaping_delay;
415 vlc_bool_t b_use_key_frames;
417 mtime_t i_pcr; /* last PCR emited */
421 vlc_bool_t b_crypt_audio;
422 vlc_bool_t b_crypt_video;
425 /* Reserve a pid and return it */
426 static int AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
429 if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
431 i_pid = p_sys->i_pid_video;
432 p_sys->i_pid_video = 0;
434 else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
436 i_pid = p_sys->i_pid_audio;
437 p_sys->i_pid_audio = 0;
439 else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
441 i_pid = p_sys->i_pid_spu;
442 p_sys->i_pid_spu = 0;
446 i_pid = ++p_sys->i_pid_free;
451 static int pmtcompare( const void *pa, const void *pb )
453 if ( ((pmt_map_t *)pa)->i_pid < ((pmt_map_t *)pb)->i_pid )
455 else if ( ((pmt_map_t *)pa)->i_pid > ((pmt_map_t *)pb)->i_pid )
461 static int intcompare( const void *pa, const void *pb )
463 if ( *(int *)pa < *(int *)pb )
465 else if ( *(int *)pa > *(int *)pb )
471 /*****************************************************************************
473 *****************************************************************************/
474 static int Control ( sout_mux_t *, int, va_list );
475 static int AddStream( sout_mux_t *, sout_input_t * );
476 static int DelStream( sout_mux_t *, sout_input_t * );
477 static int Mux ( sout_mux_t * );
479 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
480 static void TSSchedule ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
481 mtime_t i_pcr_length, mtime_t i_pcr_dts );
482 static void TSDate ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
483 mtime_t i_pcr_length, mtime_t i_pcr_dts );
484 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
485 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
487 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
488 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
490 static void PEStoTS ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
492 /*****************************************************************************
494 *****************************************************************************/
495 static int Open( vlc_object_t *p_this )
497 sout_mux_t *p_mux =(sout_mux_t*)p_this;
498 sout_mux_sys_t *p_sys = NULL;
502 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
504 p_sys = malloc( sizeof( sout_mux_sys_t ) );
507 p_sys->i_pmtslots = p_sys->b_sdt = 0;
508 p_sys->i_num_pmt = 1;
509 p_sys->dvbpmt = NULL;
510 memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
512 p_mux->pf_control = Control;
513 p_mux->pf_addstream = AddStream;
514 p_mux->pf_delstream = DelStream;
516 p_mux->p_sys = p_sys;
518 srand( (uint32_t)mdate() );
519 for ( i = 0; i < MAX_PMT; i++ )
520 p_sys->sdt_descriptors[i].psz_service_name
521 = p_sys->sdt_descriptors[i].psz_provider = NULL;
522 memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
524 p_sys->i_audio_bound = 0;
525 p_sys->i_video_bound = 0;
527 var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
528 p_sys->b_es_id_pid = val.b_bool;
530 var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
532 fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
533 This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
535 if( val.psz_string != NULL && *val.psz_string )
538 char *psz = val.psz_string;
544 i_pid = strtoul( psz, &psz_next, 0 );
546 if ( strlen(psz_next) > 0 )
551 if ( p_sys->i_num_pmt > MAX_PMT )
554 "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
555 p_sys->i_num_pmt = MAX_PMT;
560 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
561 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
563 if ( p_sys->i_pmtslots > MAX_PMT_PID )
566 "Number of pids in PMT greater than compiled maximum (%d)",
568 p_sys->i_pmtslots = MAX_PMT_PID;
572 /* Now sort according to pids for fast search later on */
573 qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
574 sizeof(pmt_map_t), &pmtcompare );
579 if( val.psz_string != NULL) free( val.psz_string );
581 p_sys->i_pat_version_number = rand() % 32;
582 p_sys->pat.i_pid = 0;
583 p_sys->pat.i_continuity_counter = 0;
584 p_sys->pat.b_discontinuity = VLC_FALSE;
586 var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
588 p_sys->i_tsid = val.i_int;
590 p_sys->i_tsid = rand() % 65536;
592 p_sys->i_netid = rand() % 65536;
593 #ifdef HAVE_DVBPSI_SDT
594 var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
596 p_sys->i_netid = val.i_int;
599 p_sys->i_pmt_version_number = rand() % 32;
600 for( i = 0; i < p_sys->i_num_pmt; i++ )
602 p_sys->pmt[i].i_continuity_counter = 0;
603 p_sys->pmt[i].b_discontinuity = VLC_FALSE;
606 p_sys->sdt.i_pid = 0x11;
607 p_sys->sdt.i_continuity_counter = 0;
608 p_sys->sdt.b_discontinuity = VLC_FALSE;
610 #ifdef HAVE_DVBPSI_SDT
611 var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
612 p_sys->b_sdt = val.psz_string && *val.psz_string ? VLC_TRUE : VLC_FALSE;
614 /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
618 char *psz = val.psz_string;
619 char *psz_sdttoken = psz;
622 while ( psz_sdttoken != NULL )
624 char *psz_end = strchr( psz_sdttoken, ',' );
625 if( psz_end != NULL )
631 p_sys->sdt_descriptors[i/2].psz_provider
632 = strdup(psz_sdttoken);
636 p_sys->sdt_descriptors[i/2].psz_service_name
637 = strdup(psz_sdttoken);
641 psz_sdttoken = psz_end;
644 if( val.psz_string != NULL ) free( val.psz_string );
646 p_sys->b_sdt = VLC_FALSE;
649 var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
650 p_sys->b_data_alignment = val.b_bool;
652 var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
653 if( val.psz_string && *val.psz_string )
656 char *psz = val.psz_string;
661 while ( psz != NULL )
663 i_pid = strtoul( psz, &psz_next, 0 );
664 if( strlen(psz_next) > 0 )
672 msg_Err( p_mux, "Number of PMTs > maximum (%d)",
677 p_sys->i_pmt_program_number[i] = i_pid;
684 /* Option not specified, use 1, 2, 3... */
685 for( i = 0; i < p_sys->i_num_pmt; i++ )
686 p_sys->i_pmt_program_number[i] = i + 1;
688 if( val.psz_string != NULL ) free( val.psz_string );
690 var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
693 for( i = 0; i < p_sys->i_num_pmt; i++ )
694 p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
698 for( i = 0; i < p_sys->i_num_pmt; i++ )
699 p_sys->pmt[i].i_pid = 0x42 + i;
702 p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
704 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
705 p_sys->i_pid_video = val.i_int;
706 if ( p_sys->i_pid_video > p_sys->i_pid_free )
708 p_sys->i_pid_free = p_sys->i_pid_video + 1;
711 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
712 p_sys->i_pid_audio = val.i_int;
713 if ( p_sys->i_pid_audio > p_sys->i_pid_free )
715 p_sys->i_pid_free = p_sys->i_pid_audio + 1;
718 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
719 p_sys->i_pid_spu = val.i_int;
720 if ( p_sys->i_pid_spu > p_sys->i_pid_free )
722 p_sys->i_pid_free = p_sys->i_pid_spu + 1;
725 p_sys->i_pcr_pid = 0x1fff;
726 p_sys->p_pcr_input = NULL;
728 p_sys->i_mpeg4_streams = 0;
730 p_sys->i_null_continuity_counter = 0;
732 /* Allow to create constrained stream */
733 var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
734 p_sys->i_bitrate_min = val.i_int;
736 var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
737 p_sys->i_bitrate_max = val.i_int;
739 if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
740 p_sys->i_bitrate_min > p_sys->i_bitrate_max )
742 msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
743 "disabling bitrate control" );
744 p_sys->i_bitrate_min = 0;
745 p_sys->i_bitrate_max = 0;
747 if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
749 msg_Err( p_mux, "bmin and bmax no more supported "
750 "(if you need them report it)" );
753 var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
754 p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
755 if( p_sys->i_shaping_delay <= 0 )
758 "invalid shaping ("I64Fd"ms) resetting to 200ms",
759 p_sys->i_shaping_delay / 1000 );
760 p_sys->i_shaping_delay = 200000;
763 var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
764 p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
765 if( p_sys->i_pcr_delay <= 0 ||
766 p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
769 "invalid pcr delay ("I64Fd"ms) resetting to 70ms",
770 p_sys->i_pcr_delay / 1000 );
771 p_sys->i_pcr_delay = 70000;
774 var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
775 p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
777 msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
778 p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
780 var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
781 p_sys->b_use_key_frames = val.b_bool;
783 /* for TS generation */
787 var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
788 if( val.psz_string && *val.psz_string )
790 char *psz = val.psz_string;
793 if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
797 if( strlen( psz ) != 16 )
799 msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
803 uint64_t i_ck = strtoull( psz, NULL, 16 );
807 for( i = 0; i < 8; i++ )
809 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
811 #ifndef TS_NO_CSA_CK_MSG
812 msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
813 ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
815 p_sys->csa = csa_New();
820 csa_SetCW( p_sys->csa, ck, ck );
822 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
823 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
825 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
826 msg_Warn( p_mux, "using default packet size of 188 bytes" );
827 p_sys->i_csa_pkt_size = 188;
829 else p_sys->i_csa_pkt_size = pkt_val.i_int;
830 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
834 if( val.psz_string ) free( val.psz_string );
836 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
837 p_sys->b_crypt_audio = val.b_bool;
839 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
840 p_sys->b_crypt_video = val.b_bool;
845 /*****************************************************************************
847 *****************************************************************************/
848 static void Close( vlc_object_t * p_this )
850 sout_mux_t *p_mux = (sout_mux_t*)p_this;
851 sout_mux_sys_t *p_sys = p_mux->p_sys;
856 csa_Delete( p_sys->csa );
858 for( i = 0; i < MAX_PMT; i++ )
860 if( p_sys->sdt_descriptors[i].psz_service_name != NULL )
861 free( p_sys->sdt_descriptors[i].psz_service_name );
862 if( p_sys->sdt_descriptors[i].psz_provider != NULL )
863 free( p_sys->sdt_descriptors[i].psz_provider );
866 if( p_sys->dvbpmt != NULL ) /* safety */
867 free ( p_sys->dvbpmt );
872 /*****************************************************************************
874 *****************************************************************************/
875 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
882 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
883 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
887 case MUX_GET_ADD_STREAM_WAIT:
888 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
889 *pb_bool = VLC_FALSE;
893 ppsz = (char**)va_arg( args, char ** );
894 *ppsz = strdup( "video/mpeg" ); /* FIXME not sure */
902 /*****************************************************************************
903 * AddStream: called for each stream addition
904 *****************************************************************************/
905 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
907 sout_mux_sys_t *p_sys = p_mux->p_sys;
908 ts_stream_t *p_stream;
911 p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
913 /* Init this new stream */
914 if ( p_sys->b_es_id_pid )
915 p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
917 p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
918 p_stream->i_codec = p_input->p_fmt->i_codec;
919 p_stream->i_continuity_counter = 0;
920 p_stream->b_discontinuity = VLC_FALSE;
921 p_stream->i_decoder_specific_info = 0;
922 p_stream->p_decoder_specific_info = NULL;
924 msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
925 (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
927 /* All others fields depand on codec */
928 switch( p_input->p_fmt->i_cat )
931 switch( p_input->p_fmt->i_codec )
933 case VLC_FOURCC( 'm', 'p','g', 'v' ):
934 /* TODO: do we need to check MPEG-I/II ? */
935 p_stream->i_stream_type = 0x02;
936 p_stream->i_stream_id = 0xe0;
938 case VLC_FOURCC( 'm', 'p','4', 'v' ):
939 p_stream->i_stream_type = 0x10;
940 p_stream->i_stream_id = 0xe0;
941 p_stream->i_es_id = p_stream->i_pid;
943 case VLC_FOURCC( 'h', '2','6', '4' ):
944 p_stream->i_stream_type = 0x1b;
945 p_stream->i_stream_id = 0xe0;
947 /* XXX dirty dirty but somebody want that:
948 * using crapy MS-codec XXX */
949 /* I didn't want to do that :P */
950 case VLC_FOURCC( 'H', '2', '6', '3' ):
951 case VLC_FOURCC( 'I', '2', '6', '3' ):
952 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
953 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
954 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
955 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
956 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
957 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
958 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
959 p_stream->i_stream_type = 0xa0; /* private */
960 p_stream->i_stream_id = 0xa0; /* beurk */
961 p_stream->i_bih_codec = p_input->p_fmt->i_codec;
962 p_stream->i_bih_width = p_input->p_fmt->video.i_width;
963 p_stream->i_bih_height = p_input->p_fmt->video.i_height;
969 p_sys->i_video_bound++;
973 switch( p_input->p_fmt->i_codec )
975 case VLC_FOURCC( 'm', 'p','g', 'a' ):
976 p_stream->i_stream_type =
977 p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
978 p_stream->i_stream_id = 0xc0;
980 case VLC_FOURCC( 'a', '5','2', ' ' ):
981 p_stream->i_stream_type = 0x81;
982 p_stream->i_stream_id = 0xbd;
984 case VLC_FOURCC( 'l', 'p','c', 'm' ):
985 p_stream->i_stream_type = 0x83;
986 p_stream->i_stream_id = 0xbd;
988 case VLC_FOURCC( 'd', 't','s', ' ' ):
989 p_stream->i_stream_type = 0x06;
990 p_stream->i_stream_id = 0xbd;
992 case VLC_FOURCC( 'm', 'p','4', 'a' ):
993 p_stream->i_stream_type = 0x11;
994 p_stream->i_stream_id = 0xfa;
995 p_sys->i_mpeg4_streams++;
996 p_stream->i_es_id = p_stream->i_pid;
1000 return VLC_EGENERIC;
1002 p_sys->i_audio_bound++;
1006 switch( p_input->p_fmt->i_codec )
1008 case VLC_FOURCC( 's', 'p','u', ' ' ):
1009 p_stream->i_stream_type = 0x82;
1010 p_stream->i_stream_id = 0xbd;
1012 case VLC_FOURCC( 's', 'u','b', 't' ):
1013 p_stream->i_stream_type = 0x12;
1014 p_stream->i_stream_id = 0xfa;
1015 p_sys->i_mpeg4_streams++;
1016 p_stream->i_es_id = p_stream->i_pid;
1018 case VLC_FOURCC('d','v','b','s'):
1019 p_stream->i_stream_type = 0x06;
1020 p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1021 p_stream->i_stream_id = 0xbd;
1023 case VLC_FOURCC('t','e','l','x'):
1024 p_stream->i_stream_type = 0x06;
1025 p_stream->i_stream_id = 0xbd; /* FIXME */
1029 return VLC_EGENERIC;
1035 return VLC_EGENERIC;
1038 p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1039 p_stream->lang = malloc(p_stream->i_langs*3);
1043 p_stream->lang[2] = '\0';
1044 if( p_input->p_fmt->psz_language )
1046 char *psz = p_input->p_fmt->psz_language;
1047 const iso639_lang_t *pl = NULL;
1049 if( strlen( psz ) == 2 )
1051 pl = GetLang_1( psz );
1053 else if( strlen( psz ) == 3 )
1055 pl = GetLang_2B( psz );
1056 if( !strcmp( pl->psz_iso639_1, "??" ) )
1058 pl = GetLang_2T( psz );
1061 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1063 p_stream->lang[0] = pl->psz_iso639_2T[0];
1064 p_stream->lang[1] = pl->psz_iso639_2T[1];
1065 p_stream->lang[2] = pl->psz_iso639_2T[2];
1067 msg_Dbg( p_mux, " - lang=%c%c%c",
1068 p_stream->lang[0], p_stream->lang[1],
1069 p_stream->lang[2] );
1072 while( i < p_stream->i_langs ) {
1073 if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1075 char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1076 const iso639_lang_t *pl = NULL;
1078 if( strlen( psz ) == 2 )
1080 pl = GetLang_1( psz );
1082 else if( strlen( psz ) == 3 )
1084 pl = GetLang_2B( psz );
1085 if( !strcmp( pl->psz_iso639_1, "??" ) )
1087 pl = GetLang_2T( psz );
1090 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1092 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1093 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1094 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1096 msg_Dbg( p_mux, " - lang=%c%c%c",
1097 p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1098 p_stream->lang[i*3+2] );
1104 /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1105 p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1106 if( p_stream->i_decoder_specific_info > 0 )
1108 p_stream->p_decoder_specific_info =
1109 malloc( p_stream->i_decoder_specific_info );
1110 memcpy( p_stream->p_decoder_specific_info,
1111 p_input->p_fmt->p_extra,
1112 p_input->p_fmt->i_extra );
1115 /* Create decoder specific info for subt */
1116 if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1120 p_stream->i_decoder_specific_info = 55;
1121 p_stream->p_decoder_specific_info = p =
1122 malloc( p_stream->i_decoder_specific_info );
1124 p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
1125 p[1] = 0x00; /* flags: 1b: associated video info flag
1129 p[2] = 52; /* remaining size */
1133 p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
1134 *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
1135 *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
1137 p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1138 *p++ = 0xff; /* background a */
1140 p[0] = p[1] = 0; p += 2; /* text box top */
1141 p[0] = p[1] = 0; p += 2; /* text box left */
1142 p[0] = p[1] = 0; p += 2; /* text box bottom */
1143 p[0] = p[1] = 0; p += 2; /* text box right */
1145 p[0] = p[1] = 0; p += 2; /* start char */
1146 p[0] = p[1] = 0; p += 2; /* end char */
1147 p[0] = p[1] = 0; p += 2; /* default font id */
1149 *p++ = 0; /* font style flags */
1150 *p++ = 12; /* font size */
1152 p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1153 *p++ = 0x00; /* foreground a */
1155 p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1156 memcpy( p, "ftab", 4 ); p += 4;
1157 *p++ = 0; *p++ = 1; /* entry count */
1158 p[0] = p[1] = 0; p += 2; /* font id */
1159 *p++ = 9; /* font name length */
1160 memcpy( p, "Helvetica", 9 ); /* font name */
1163 /* Init pes chain */
1164 BufferChainInit( &p_stream->chain_pes );
1165 p_stream->i_pes_dts = 0;
1166 p_stream->i_pes_length = 0;
1167 p_stream->i_pes_used = 0;
1168 p_stream->b_key_frame = 0;
1170 /* We only change PMT version (PAT isn't changed) */
1171 p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1173 /* Update pcr_pid */
1174 if( p_input->p_fmt->i_cat != SPU_ES &&
1175 ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1177 if( p_sys->p_pcr_input )
1179 /* There was already a PCR stream, so clean context */
1182 p_sys->i_pcr_pid = p_stream->i_pid;
1183 p_sys->p_pcr_input = p_input;
1185 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1191 /*****************************************************************************
1192 * DelStream: called before a stream deletion
1193 *****************************************************************************/
1194 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1196 sout_mux_sys_t *p_sys = p_mux->p_sys;
1197 ts_stream_t *p_stream;
1200 p_stream = (ts_stream_t*)p_input->p_sys;
1201 msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1203 if( p_sys->i_pcr_pid == p_stream->i_pid )
1207 /* Find a new pcr stream (Prefer Video Stream) */
1208 p_sys->i_pcr_pid = 0x1fff;
1209 p_sys->p_pcr_input = NULL;
1210 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1212 if( p_mux->pp_inputs[i] == p_input )
1217 if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1220 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1221 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1224 else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1225 p_sys->i_pcr_pid == 0x1fff )
1228 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1229 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1232 if( p_sys->p_pcr_input )
1234 /* Empty TS buffer */
1237 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1240 /* Empty all data in chain_pes */
1241 BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
1243 if( p_stream->lang )
1245 free(p_stream->lang);
1247 if( p_stream->p_decoder_specific_info )
1249 free( p_stream->p_decoder_specific_info );
1251 if( p_stream->i_stream_id == 0xfa ||
1252 p_stream->i_stream_id == 0xfb ||
1253 p_stream->i_stream_id == 0xfe )
1255 p_sys->i_mpeg4_streams--;
1258 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1261 int i_pid_video = val.i_int;
1262 if ( i_pid_video == p_stream->i_pid )
1264 p_sys->i_pid_video = i_pid_video;
1265 msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1268 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1271 int i_pid_audio = val.i_int;
1272 if ( i_pid_audio == p_stream->i_pid )
1274 p_sys->i_pid_audio = i_pid_audio;
1275 msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1278 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1281 int i_pid_spu = val.i_int;
1282 if ( i_pid_spu == p_stream->i_pid )
1284 p_sys->i_pid_spu = i_pid_spu;
1285 msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1290 /* We only change PMT version (PAT isn't changed) */
1291 p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1296 /*****************************************************************************
1297 * Mux: Call each time there is new data for at least one stream
1298 *****************************************************************************
1300 *****************************************************************************/
1301 static int Mux( sout_mux_t *p_mux )
1303 sout_mux_sys_t *p_sys = p_mux->p_sys;
1304 ts_stream_t *p_pcr_stream;
1306 if( p_sys->i_pcr_pid == 0x1fff )
1309 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1311 block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1313 msg_Dbg( p_mux, "waiting for PCR streams" );
1317 p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1321 sout_buffer_chain_t chain_ts;
1325 mtime_t i_pcr_length;
1326 mtime_t i_shaping_delay;
1329 if( p_pcr_stream->b_key_frame )
1331 i_shaping_delay = p_pcr_stream->i_pes_length;
1335 i_shaping_delay = p_sys->i_shaping_delay;
1338 /* 1: get enough PES packet for all input */
1341 vlc_bool_t b_ok = VLC_TRUE;
1344 /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1345 /* Accumulate enough data in all other stream ( >= length of pcr)*/
1346 for( i = -1; i < p_mux->i_nb_inputs; i++ )
1348 sout_input_t *p_input;
1349 ts_stream_t *p_stream;
1350 int64_t i_spu_delay = 0;
1353 p_input = p_sys->p_pcr_input;
1354 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1357 p_input = p_mux->pp_inputs[i];
1358 p_stream = (ts_stream_t*)p_input->p_sys;
1360 if( ( ( p_stream == p_pcr_stream ) &&
1361 ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1362 ( p_stream->i_pes_dts + p_stream->i_pes_length <
1363 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1365 /* Need more data */
1366 if( block_FifoCount( p_input->p_fifo ) <= 1 )
1368 if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1369 ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1371 /* We need more data */
1374 else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1376 /* spu, only one packet is needed */
1379 else if( p_input->p_fmt->i_cat == SPU_ES )
1381 /* Don't mux the SPU yet if it is too early */
1382 block_t *p_spu = block_FifoShow( p_input->p_fifo );
1385 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1387 if( ( i_spu_delay > i_shaping_delay ) &&
1388 ( i_spu_delay < I64C(100000000) ) )
1391 if ( ( i_spu_delay >= I64C(100000000) ) ||
1392 ( i_spu_delay < I64C(10000) ) )
1394 BufferChainClean( p_mux->p_sout,
1395 &p_stream->chain_pes );
1396 p_stream->i_pes_dts = 0;
1397 p_stream->i_pes_used = 0;
1398 p_stream->i_pes_length = 0;
1405 if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1406 || p_input->p_fmt->i_codec !=
1407 VLC_FOURCC('m', 'p', 'g', 'a') )
1408 p_data = block_FifoGet( p_input->p_fifo );
1410 p_data = FixPES( p_mux, p_input->p_fifo );
1412 if( block_FifoCount( p_input->p_fifo ) > 0 &&
1413 p_input->p_fmt->i_cat != SPU_ES )
1415 block_t *p_next = block_FifoShow( p_input->p_fifo );
1416 p_data->i_length = p_next->i_dts - p_data->i_dts;
1418 else if( p_input->p_fmt->i_codec !=
1419 VLC_FOURCC('s', 'u', 'b', 't' ) )
1420 p_data->i_length = 1000;
1422 if( ( p_pcr_stream->i_pes_dts > 0 &&
1423 p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1424 p_pcr_stream->i_pes_length ) ||
1425 p_data->i_dts < p_stream->i_pes_dts ||
1426 ( p_stream->i_pes_dts > 0 &&
1427 p_input->p_fmt->i_cat != SPU_ES &&
1428 p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1429 p_stream->i_pes_length ) )
1431 msg_Warn( p_mux, "packet with too strange dts "
1432 "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1433 p_data->i_dts, p_stream->i_pes_dts,
1434 p_pcr_stream->i_pes_dts );
1435 block_Release( p_data );
1437 BufferChainClean( p_mux->p_sout,
1438 &p_stream->chain_pes );
1439 p_stream->i_pes_dts = 0;
1440 p_stream->i_pes_used = 0;
1441 p_stream->i_pes_length = 0;
1443 if( p_input->p_fmt->i_cat != SPU_ES )
1445 BufferChainClean( p_mux->p_sout,
1446 &p_pcr_stream->chain_pes );
1447 p_pcr_stream->i_pes_dts = 0;
1448 p_pcr_stream->i_pes_used = 0;
1449 p_pcr_stream->i_pes_length = 0;
1454 int i_header_size = 0;
1455 int b_data_alignment = 0;
1456 if( p_input->p_fmt->i_cat == SPU_ES )
1458 if( p_input->p_fmt->i_codec ==
1459 VLC_FOURCC('s','u','b','t') )
1461 /* Prepend header */
1462 p_data = block_Realloc( p_data, 2,
1464 p_data->p_buffer[0] =
1465 ( (p_data->i_buffer - 2) >> 8) & 0xff;
1466 p_data->p_buffer[1] =
1467 ( (p_data->i_buffer - 2) ) & 0xff;
1469 /* remove trailling \0 if any */
1470 if( p_data->i_buffer > 2 &&
1471 p_data->p_buffer[p_data->i_buffer -1] ==
1475 /* Append a empty sub (sub text only) */
1476 if( p_data->i_length > 0 &&
1477 !( p_data->i_buffer == 1 &&
1478 *p_data->p_buffer == ' ' ) )
1480 block_t *p_spu = block_New( p_mux, 3 );
1482 p_spu->i_dts = p_spu->i_pts =
1483 p_data->i_dts + p_data->i_length;
1484 p_spu->i_length = 1000;
1486 p_spu->p_buffer[0] = 0;
1487 p_spu->p_buffer[1] = 1;
1488 p_spu->p_buffer[2] = ' ';
1490 E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1492 p_stream->i_stream_id, 1,
1494 p_data->p_next = p_spu;
1497 else if( p_input->p_fmt->i_codec ==
1498 VLC_FOURCC('t','e','l','x') )
1501 i_header_size = 0x24;
1502 b_data_alignment = 1;
1504 else if( p_input->p_fmt->i_codec ==
1505 VLC_FOURCC('d','v','b','s') )
1508 b_data_alignment = 1;
1511 else if( p_data->i_length < 0 ||
1512 p_data->i_length > 2000000 )
1514 /* FIXME choose a better value, but anyway we
1515 * should never have to do that */
1516 p_data->i_length = 1000;
1519 p_stream->i_pes_length += p_data->i_length;
1520 if( p_stream->i_pes_dts == 0 )
1522 p_stream->i_pes_dts = p_data->i_dts;
1525 /* Convert to pes */
1526 if( p_stream->i_stream_id == 0xa0 &&
1527 p_data->i_pts <= 0 )
1529 /* XXX yes I know, it's awful, but it's needed,
1530 * so don't remove it ... */
1531 p_data->i_pts = p_data->i_dts;
1534 E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1535 p_input->p_fmt, p_stream->i_stream_id,
1536 1, b_data_alignment, i_header_size, 0 );
1538 BufferChainAppend( &p_stream->chain_pes, p_data );
1540 if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1541 && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1542 && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1543 && (p_stream->i_pes_length > 400000) )
1545 i_shaping_delay = p_stream->i_pes_length;
1546 p_stream->b_key_frame = 1;
1559 i_pcr_dts = p_pcr_stream->i_pes_dts;
1560 i_pcr_length = p_pcr_stream->i_pes_length;
1561 p_pcr_stream->b_key_frame = 0;
1563 /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1564 /* 2: calculate non accurate total size of muxed ts */
1566 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1568 ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1571 /* False for pcr stream but it will be enough to do PCR algo */
1572 for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1573 p_pes = p_pes->p_next )
1575 int i_size = p_pes->i_buffer;
1576 if( p_pes->i_dts + p_pes->i_length >
1577 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1579 mtime_t i_frag = p_pcr_stream->i_pes_dts +
1580 p_pcr_stream->i_pes_length - p_pes->i_dts;
1586 i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1588 i_packet_count += ( i_size + 183 ) / 184;
1591 /* add overhead for PCR (not really exact) */
1592 i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1594 /* 3: mux PES into TS */
1595 BufferChainInit( &chain_ts );
1596 /* append PAT/PMT -> FIXME with big pcr delay it won't have enough pat/pmt */
1597 GetPAT( p_mux, &chain_ts );
1598 GetPMT( p_mux, &chain_ts );
1600 i_packet_count += chain_ts.i_depth;
1601 /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1607 ts_stream_t *p_stream;
1608 sout_input_t *p_input;
1612 /* Select stream (lowest dts) */
1613 for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1615 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1617 if( p_stream->i_pes_dts == 0 )
1622 if( i_stream == -1 ||
1623 p_stream->i_pes_dts < i_dts )
1626 i_dts = p_stream->i_pes_dts;
1629 if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1633 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1634 p_input = p_mux->pp_inputs[i_stream];
1636 /* do we need to issue pcr */
1638 if( p_stream == p_pcr_stream &&
1639 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1640 p_sys->i_pcr + p_sys->i_pcr_delay )
1643 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1644 i_pcr_length / i_packet_count;
1647 /* Build the TS packet */
1648 p_ts = TSNew( p_mux, p_stream, b_pcr );
1649 if( p_sys->csa != NULL &&
1650 (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1651 (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1653 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1658 BufferChainAppend( &chain_ts, p_ts );
1661 /* 4: date and send */
1662 TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1666 #define STD_PES_PAYLOAD 170
1667 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1672 p_data = block_FifoShow( p_fifo );
1673 i_size = p_data->i_buffer;
1675 if( i_size == STD_PES_PAYLOAD )
1677 return block_FifoGet( p_fifo );
1679 else if( i_size > STD_PES_PAYLOAD )
1681 block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1682 p_mux->p_libvlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1683 p_new->i_pts = p_data->i_pts;
1684 p_new->i_dts = p_data->i_dts;
1685 p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1687 p_data->i_buffer -= STD_PES_PAYLOAD;
1688 p_data->p_buffer += STD_PES_PAYLOAD;
1689 p_data->i_pts += p_new->i_length;
1690 p_data->i_dts += p_new->i_length;
1691 p_data->i_length -= p_new->i_length;
1692 p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1700 p_data = block_FifoGet( p_fifo );
1701 p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1702 p_next = block_FifoShow( p_fifo );
1703 if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1705 p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1706 p_data->i_pts = p_next->i_pts;
1707 p_data->i_dts = p_next->i_dts;
1709 i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1711 p_mux->p_libvlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1713 p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1714 p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1715 p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1716 p_next->i_buffer -= i_copy;
1717 p_next->p_buffer += i_copy;
1718 p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1720 if( !p_next->i_buffer )
1722 p_next = block_FifoGet( p_fifo );
1723 block_Release( p_next );
1729 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1730 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1732 sout_mux_sys_t *p_sys = p_mux->p_sys;
1733 sout_buffer_chain_t new_chain;
1734 int i_packet_count = p_chain_ts->i_depth;
1737 BufferChainInit( &new_chain );
1739 if ( i_pcr_length <= 0 )
1741 i_pcr_length = i_packet_count;
1744 for( i = 0; i < i_packet_count; i++ )
1746 block_t *p_ts = BufferChainGet( p_chain_ts );
1747 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1749 BufferChainAppend( &new_chain, p_ts );
1752 p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1754 mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1755 mtime_t i_cut_dts = p_ts->i_dts;
1757 p_ts = BufferChainPeek( p_chain_ts );
1759 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1760 while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1762 p_ts = BufferChainGet( p_chain_ts );
1763 i_max_diff = i_new_dts - p_ts->i_dts;
1764 i_cut_dts = p_ts->i_dts;
1765 BufferChainAppend( &new_chain, p_ts );
1767 p_ts = BufferChainPeek( p_chain_ts );
1769 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1771 msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1772 i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1773 p_chain_ts->i_depth );
1774 if ( new_chain.i_depth )
1775 TSDate( p_mux, &new_chain,
1776 i_cut_dts - i_pcr_dts,
1778 if ( p_chain_ts->i_depth )
1780 p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1786 if ( new_chain.i_depth )
1787 TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1790 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1791 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1793 sout_mux_sys_t *p_sys = p_mux->p_sys;
1794 int i_packet_count = p_chain_ts->i_depth;
1797 if ( i_pcr_length / 1000 > 0 )
1799 int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1800 / (uint64_t)(i_pcr_length / 1000);
1801 if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1803 msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1804 " (%d bi/s for %d pkt in "I64Fd" us)",
1805 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1806 i_bitrate, i_packet_count, i_pcr_length);
1811 msg_Dbg( p_mux, "starting at "I64Fd
1812 " (%d bi/s for %d packets in "I64Fd" us)",
1813 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1814 i_bitrate, i_packet_count, i_pcr_length);
1820 /* This shouldn't happen, but happens in some rare heavy load
1821 * and packet losses conditions. */
1822 i_pcr_length = i_packet_count;
1825 /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1826 for( i = 0; i < i_packet_count; i++ )
1828 block_t *p_ts = BufferChainGet( p_chain_ts );
1829 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1831 p_ts->i_dts = i_new_dts;
1832 p_ts->i_length = i_pcr_length / i_packet_count;
1834 if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1836 /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1837 TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1839 if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1841 csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size, 0 );
1845 p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1847 sout_AccessOutWrite( p_mux->p_access, p_ts );
1851 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1854 block_t *p_pes = p_stream->chain_pes.p_first;
1857 vlc_bool_t b_new_pes = VLC_FALSE;
1858 vlc_bool_t b_adaptation_field = VLC_FALSE;
1860 int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1863 if( p_stream->i_pes_used <= 0 )
1865 b_new_pes = VLC_TRUE;
1867 i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1870 if( b_pcr || i_payload < i_payload_max )
1872 b_adaptation_field = VLC_TRUE;
1875 p_ts = block_New( p_mux, 188 );
1876 p_ts->i_dts = p_pes->i_dts;
1878 p_ts->p_buffer[0] = 0x47;
1879 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1880 ( ( p_stream->i_pid >> 8 )&0x1f );
1881 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1882 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1883 p_stream->i_continuity_counter;
1885 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1886 p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
1888 if( b_adaptation_field )
1894 int i_stuffing = i_payload_max - i_payload;
1896 p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1898 p_ts->p_buffer[4] = 7 + i_stuffing;
1899 p_ts->p_buffer[5] = 0x10; /* flags */
1900 if( p_stream->b_discontinuity )
1902 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
1903 p_stream->b_discontinuity = VLC_FALSE;
1905 p_ts->p_buffer[6] = ( 0 )&0xff;
1906 p_ts->p_buffer[7] = ( 0 )&0xff;
1907 p_ts->p_buffer[8] = ( 0 )&0xff;
1908 p_ts->p_buffer[9] = ( 0 )&0xff;
1909 p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1910 p_ts->p_buffer[11]= 0;
1912 for( i = 12; i < 12 + i_stuffing; i++ )
1914 p_ts->p_buffer[i] = 0xff;
1919 int i_stuffing = i_payload_max - i_payload;
1921 p_ts->p_buffer[4] = i_stuffing - 1;
1922 if( i_stuffing > 1 )
1924 p_ts->p_buffer[5] = 0x00;
1925 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1927 p_ts->p_buffer[i] = 0xff;
1934 memcpy( &p_ts->p_buffer[188 - i_payload],
1935 &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1937 p_stream->i_pes_used += i_payload;
1938 p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1939 p_stream->i_pes_used / p_pes->i_buffer;
1940 p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1942 if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1944 p_pes = BufferChainGet( &p_stream->chain_pes );
1945 block_Release( p_pes );
1947 p_pes = p_stream->chain_pes.p_first;
1950 p_stream->i_pes_dts = p_pes->i_dts;
1951 p_stream->i_pes_length = 0;
1954 p_stream->i_pes_length += p_pes->i_length;
1956 p_pes = p_pes->p_next;
1961 p_stream->i_pes_dts = 0;
1962 p_stream->i_pes_length = 0;
1964 p_stream->i_pes_used = 0;
1970 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1972 mtime_t i_pcr = 9 * i_dts / 100;
1974 p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
1975 p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
1976 p_ts->p_buffer[8] = ( i_pcr >> 9 )&0xff;
1977 p_ts->p_buffer[9] = ( i_pcr >> 1 )&0xff;
1978 p_ts->p_buffer[10]|= ( i_pcr << 7 )&0x80;
1982 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1983 mtime_t i_length, int i_bitrate_min,
1986 sout_mux_sys_t *p_sys = p_mux->p_sys;
1987 sout_buffer_chain_t s = *c;
1990 int i_packets_min = 0;
1991 int i_packets_max = 0;
1998 i_packets = c->i_depth;
1999 i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000 + 187 ) / 188;
2000 i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000 + 187 ) / 188;
2002 if( i_packets < i_packets_min && i_packets_min > 0 )
2005 int i_div = ( i_packets_min - i_packets ) / i_packets;
2006 int i_mod = ( i_packets_min - i_packets ) % i_packets;
2009 /* We need to pad with null packets (pid=0x1fff)
2010 * We try to melt null packets with true packets */
2012 "packets=%d but min=%d -> adding %d packets of padding",
2013 i_packets, i_packets_min, i_packets_min - i_packets );
2015 BufferChainInit( c );
2016 while( ( p_pk = BufferChainGet( &s ) ) )
2020 BufferChainAppend( c, p_pk );
2022 i_null = i_div + ( i_rest + i_mod ) / i_packets;
2024 for( i = 0; i < i_null; i++ )
2028 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2029 p_null->p_buffer[0] = 0x47;
2030 p_null->p_buffer[1] = 0x1f;
2031 p_null->p_buffer[2] = 0xff;
2032 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2033 memset( &p_null->p_buffer[4], 0, 184 );
2034 p_sys->i_null_continuity_counter =
2035 ( p_sys->i_null_continuity_counter + 1 ) % 16;
2037 BufferChainAppend( c, p_null );
2040 i_rest = ( i_rest + i_mod ) % i_packets;
2043 else if( i_packets > i_packets_max && i_packets_max > 0 )
2048 /* Arg, we need to drop packets, I don't do something clever (like
2049 * dropping complete pid, b frames, ... ), I just get the right amount
2050 * of packets and discard the others */
2052 "packets=%d but max=%d -> removing %d packets -> stream broken",
2053 i_packets, i_packets_max, i_packets - i_packets_max );
2055 BufferChainInit( c );
2056 for( i = 0; i < i_packets_max; i++ )
2058 BufferChainAppend( c, BufferChainGet( &s ) );
2061 while( ( p_pk = BufferChainGet( &s ) ) )
2063 sout_BufferDelete( p_mux->p_sout, p_pk );
2069 static void PEStoTS( sout_instance_t *p_sout,
2070 sout_buffer_chain_t *c, block_t *p_pes,
2071 ts_stream_t *p_stream )
2077 /* get PES total size */
2078 i_size = p_pes->i_buffer;
2079 p_data = p_pes->p_buffer;
2081 b_new_pes = VLC_TRUE;
2085 int b_adaptation_field;
2089 p_ts = block_New( p_sout, 188 );
2092 * 1b transport_error_indicator
2093 * 1b payload_unit_start
2094 * 1b transport_priority
2096 * 2b transport_scrambling_control
2097 * 2b if adaptation_field 0x03 else 0x01
2098 * 4b continuity_counter
2101 i_copy = __MIN( i_size, 184 );
2102 b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
2104 p_ts->p_buffer[0] = 0x47;
2105 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2106 ( ( p_stream->i_pid >> 8 )&0x1f );
2107 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2108 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2109 p_stream->i_continuity_counter;
2111 b_new_pes = VLC_FALSE;
2112 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2114 if( b_adaptation_field )
2116 int i_stuffing = 184 - i_copy;
2119 p_ts->p_buffer[4] = i_stuffing - 1;
2120 if( i_stuffing > 1 )
2122 p_ts->p_buffer[5] = 0x00;
2123 if( p_stream->b_discontinuity )
2125 p_ts->p_buffer[5] |= 0x80;
2126 p_stream->b_discontinuity = VLC_FALSE;
2128 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2130 p_ts->p_buffer[i] = 0xff;
2135 memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2139 BufferChainAppend( c, p_ts );
2143 block_t *p_next = p_pes->p_next;
2145 p_pes->p_next = NULL;
2146 block_Release( p_pes );
2147 if( p_next == NULL )
2151 b_new_pes = VLC_TRUE;
2153 i_size = p_pes->i_buffer;
2154 p_data = p_pes->p_buffer;
2161 static block_t *WritePSISection( sout_instance_t *p_sout,
2162 dvbpsi_psi_section_t* p_section )
2164 block_t *p_psi, *p_first = NULL;
2170 i_size = (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2171 ( p_section->b_syntax_indicator ? 4 : 0 );
2173 p_psi = block_New( p_sout, i_size + 1 );
2176 p_psi->i_length = 0;
2177 p_psi->i_buffer = i_size + 1;
2179 p_psi->p_buffer[0] = 0; /* pointer */
2180 memcpy( p_psi->p_buffer + 1,
2184 block_ChainAppend( &p_first, p_psi );
2186 p_section = p_section->p_next;
2192 static void GetPAT( sout_mux_t *p_mux,
2193 sout_buffer_chain_t *c )
2195 sout_mux_sys_t *p_sys = p_mux->p_sys;
2198 dvbpsi_psi_section_t *p_section;
2201 dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2202 1 ); /* b_current_next */
2203 /* add all programs */
2204 for ( i = 0; i < p_sys->i_num_pmt; i++ )
2205 dvbpsi_PATAddProgram( &pat,
2206 p_sys->i_pmt_program_number[i],
2207 p_sys->pmt[i].i_pid );
2209 p_section = dvbpsi_GenPATSections( &pat,
2210 0 ); /* max program per section */
2212 p_pat = WritePSISection( p_mux->p_sout, p_section );
2214 PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2216 dvbpsi_DeletePSISections( p_section );
2217 dvbpsi_EmptyPAT( &pat );
2220 static uint32_t GetDescriptorLength24b( int i_length )
2222 uint32_t i_l1, i_l2, i_l3;
2224 i_l1 = i_length&0x7f;
2225 i_l2 = ( i_length >> 7 )&0x7f;
2226 i_l3 = ( i_length >> 14 )&0x7f;
2228 return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2231 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2233 sout_mux_sys_t *p_sys = p_mux->p_sys;
2234 block_t *p_pmt[MAX_PMT];
2236 dvbpsi_pmt_es_t *p_es;
2237 dvbpsi_psi_section_t *p_section[MAX_PMT];
2242 int *p_usepid = NULL;
2244 #ifdef HAVE_DVBPSI_SDT
2248 dvbpsi_psi_section_t* p_section2;
2249 dvbpsi_sdt_service_t *p_service;
2251 uint8_t *psz_sdt_desc;
2254 if( p_sys->dvbpmt == NULL )
2255 p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2256 #ifdef HAVE_DVBPSI_SDT
2258 dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2261 for( i = 0; i < p_sys->i_num_pmt; i++ )
2263 dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2264 p_sys->i_pmt_program_number[i], /* program number */
2265 p_sys->i_pmt_version_number,
2266 1, /* b_current_next */
2269 #ifdef HAVE_DVBPSI_SDT
2272 p_service = dvbpsi_SDTAddService( &sdt,
2273 p_sys->i_pmt_program_number[i], /* service id */
2274 0, /* eit schedule */
2275 0, /* eit present */
2276 4, /* running status ("4=RUNNING") */
2279 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2280 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2282 /* FIXME: Ineffecient malloc's & ugly code...... */
2283 if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2285 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2286 + strlen(psz_sdtserv) );
2289 psz_sdt_desc[0] = 0x01; /* digital television service */
2291 /* service provider name length */
2292 psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2293 memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2295 /* service name length */
2296 psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2297 = (char)strlen(psz_sdtserv);
2298 memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2299 strlen(psz_sdtserv) );
2301 dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2302 3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2303 (uint8_t *)psz_sdt_desc );
2304 free( psz_sdt_desc );
2305 psz_sdt_desc = NULL;
2314 if( p_sys->i_mpeg4_streams > 0 )
2318 bits_buffer_t bits_fix_IOD;
2320 /* Make valgrind happy : it works at byte level not bit one so
2321 * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2322 * working (needed when fixing some bits) */
2323 memset( iod, 0, 4096 );
2325 bits_initwrite( &bits, 4096, iod );
2326 /* IOD_label_scope */
2327 bits_write( &bits, 8, 0x11 );
2329 bits_write( &bits, 8, 0x01 );
2330 /* InitialObjectDescriptor */
2331 bits_align( &bits );
2332 bits_write( &bits, 8, 0x02 ); /* tag */
2333 bits_fix_IOD = bits; /* save states to fix length later */
2334 bits_write( &bits, 24,
2335 GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
2336 bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
2337 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2338 bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
2339 bits_write( &bits, 4, 0x0f ); /* reserved */
2340 bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
2341 bits_write( &bits, 8, 0xff ); /* sceneProfile */
2342 bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
2343 bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
2344 bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
2345 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2347 ts_stream_t *p_stream;
2348 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2350 if( p_stream->i_stream_id == 0xfa ||
2351 p_stream->i_stream_id == 0xfb ||
2352 p_stream->i_stream_id == 0xfe )
2354 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2356 bits_align( &bits );
2357 bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
2358 bits_fix_ESDescr = bits;
2359 bits_write( &bits, 24,
2360 GetDescriptorLength24b( 0 ) ); /* variable size */
2361 bits_write( &bits, 16, p_stream->i_es_id );
2362 bits_write( &bits, 1, 0x00 ); /* streamDependency */
2363 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2364 bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
2365 bits_write( &bits, 5, 0x1f ); /* streamPriority */
2367 /* DecoderConfigDesciptor */
2368 bits_align( &bits );
2369 bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
2370 bits_fix_Decoder = bits;
2371 bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
2372 if( p_stream->i_stream_type == 0x10 )
2374 bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
2375 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2377 else if( p_stream->i_stream_type == 0x1b )
2379 bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
2380 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2382 else if( p_stream->i_stream_type == 0x11 || p_stream->i_stream_type == 0x0f )
2384 bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
2385 bits_write( &bits, 6, 0x05 ); /* AudioStream */
2387 else if( p_stream->i_stream_type == 0x12 &&
2388 p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2390 bits_write( &bits, 8, 0x0B ); /* Text Stream */
2391 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2395 bits_write( &bits, 8, 0x00 );
2396 bits_write( &bits, 6, 0x00 );
2398 msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2401 bits_write( &bits, 1, 0x00 ); /* UpStream */
2402 bits_write( &bits, 1, 0x01 ); /* reserved */
2403 bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
2404 bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
2405 bits_write( &bits, 32, 0 ); /* avgBitrate */
2407 if( p_stream->i_decoder_specific_info > 0 )
2410 /* DecoderSpecificInfo */
2411 bits_align( &bits );
2412 bits_write( &bits, 8, 0x05 ); /* tag */
2413 bits_write( &bits, 24, GetDescriptorLength24b(
2414 p_stream->i_decoder_specific_info ) );
2415 for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2417 bits_write( &bits, 8,
2418 ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2421 /* fix Decoder length */
2422 bits_write( &bits_fix_Decoder, 24,
2423 GetDescriptorLength24b( bits.i_data -
2424 bits_fix_Decoder.i_data - 3 ) );
2426 /* SLConfigDescriptor : predefined (0x01) */
2427 bits_align( &bits );
2428 bits_write( &bits, 8, 0x06 ); /* tag */
2429 bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
2430 bits_write( &bits, 8, 0x01 );/* predefined */
2431 bits_write( &bits, 1, 0 ); /* durationFlag */
2432 bits_write( &bits, 32, 0 ); /* OCRResolution */
2433 bits_write( &bits, 8, 0 ); /* OCRLength */
2434 bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
2435 bits_align( &bits );
2437 /* fix ESDescr length */
2438 bits_write( &bits_fix_ESDescr, 24,
2439 GetDescriptorLength24b( bits.i_data -
2440 bits_fix_ESDescr.i_data - 3 ) );
2443 bits_align( &bits );
2444 /* fix IOD length */
2445 bits_write( &bits_fix_IOD, 24,
2446 GetDescriptorLength24b( bits.i_data -
2447 bits_fix_IOD.i_data - 3 ) );
2449 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2450 i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2451 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2452 sizeof(pmt_map_t), intcompare );
2453 p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2454 sizeof(pmt_map_t), pmtcompare );
2455 if( p_usepid != NULL )
2456 dvbpsi_PMTAddDescriptor(
2457 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2458 bits.i_data, bits.p_data );
2460 msg_Err( p_mux, "Received an unmapped PID" );
2462 dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2467 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2469 ts_stream_t *p_stream;
2471 p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2474 i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2475 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2476 sizeof(pmt_map_t), intcompare );
2478 if( p_usepid != NULL )
2479 p_es = dvbpsi_PMTAddES(
2480 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2481 p_stream->i_stream_type, p_stream->i_pid );
2483 /* If there's an error somewhere, dump it to the first pmt */
2485 p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2488 if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2493 es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2494 es_id[1] = (p_stream->i_es_id)&0xff;
2495 dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2497 else if( p_stream->i_stream_type == 0xa0 )
2500 int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2502 /* private DIV3 descripor */
2503 memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2504 data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2505 data[5] = ( p_stream->i_bih_width )&0xff;
2506 data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2507 data[7] = ( p_stream->i_bih_height )&0xff;
2508 data[8] = ( i_extra >> 8 )&0xff;
2509 data[9] = ( i_extra )&0xff;
2512 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2515 /* 0xa0 is private */
2516 dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2518 else if( p_stream->i_stream_type == 0x81 )
2520 uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2522 /* "registration" descriptor : "AC-3" */
2523 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2525 else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2527 /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2529 /* DTS format identifier, frame size 1024 - FIXME */
2530 uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2531 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2533 else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2535 if( p_stream->i_decoder_specific_info )
2537 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2538 p_stream->i_decoder_specific_info,
2539 p_stream->p_decoder_specific_info );
2543 else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2546 if( p_stream->i_decoder_specific_info )
2548 /* pass-through from the TS demux */
2549 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2550 p_stream->i_decoder_specific_info,
2551 p_stream->p_decoder_specific_info );
2553 #ifdef _DVBPSI_DR_59_H_
2556 /* from the dvbsub transcoder */
2557 dvbpsi_subtitling_dr_t descr;
2558 dvbpsi_subtitle_t sub;
2559 dvbpsi_descriptor_t *p_descr;
2561 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2562 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2563 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2564 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2566 descr.i_subtitles_number = 1;
2567 descr.p_subtitle[0] = sub;
2569 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2570 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2571 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2572 p_descr->i_length, p_descr->p_data );
2574 #endif /* _DVBPSI_DR_59_H_ */
2578 if( p_stream->lang[0] != 0 )
2580 uint8_t data[4*p_stream->i_langs];
2582 /* I construct the content myself, way faster than looking at
2583 * over complicated/mind broken libdvbpsi way */
2584 for(i = 0; i < p_stream->i_langs; i++ )
2586 data[i*4+0] = p_stream->lang[i*3+0];
2587 data[i*4+1] = p_stream->lang[i*3+1];
2588 data[i*4+2] = p_stream->lang[i*3+2];
2589 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2591 dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2595 for( i = 0; i < p_sys->i_num_pmt; i++ )
2597 p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2598 p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2599 PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2600 dvbpsi_DeletePSISections( p_section[i] );
2601 dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2604 #ifdef HAVE_DVBPSI_SDT
2607 p_section2 = dvbpsi_GenSDTSections( &sdt );
2608 p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2609 PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2610 dvbpsi_DeletePSISections( p_section2 );
2611 dvbpsi_EmptySDT( &sdt );