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,
181 add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
182 APID_LONGTEXT, VLC_TRUE );
183 add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
184 SPUPID_LONGTEXT, VLC_TRUE );
185 add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
186 PMTPID_LONGTEXT, VLC_TRUE );
187 add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
188 TSID_LONGTEXT, VLC_TRUE );
189 #ifdef HAVE_DVBPSI_SDT
190 add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
191 NETID_LONGTEXT, VLC_TRUE );
193 add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
194 PMTPROG_LONGTEXT, VLC_TRUE );
195 add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
197 add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, VLC_TRUE );
198 #ifdef HAVE_DVBPSI_SDT
199 add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, VLC_TRUE );
201 add_bool( SOUT_CFG_PREFIX "alignment", VLC_TRUE, NULL, ALIGNMENT_TEXT,
202 ALIGNMENT_LONGTEXT, VLC_TRUE );
204 add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
205 SHAPING_LONGTEXT, VLC_TRUE );
206 add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
207 KEYF_LONGTEXT, VLC_TRUE );
209 add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
211 add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
213 add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
215 add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
216 DTS_LONGTEXT, VLC_TRUE );
218 add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
219 ACRYPT_LONGTEXT, VLC_TRUE );
220 add_bool( SOUT_CFG_PREFIX "crypt-video", VLC_TRUE, NULL, VCRYPT_TEXT,
221 VCRYPT_LONGTEXT, VLC_TRUE );
223 add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
225 add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, VLC_TRUE );
227 set_callbacks( Open, Close );
230 /*****************************************************************************
231 * Local data structures
232 *****************************************************************************/
233 static const char *ppsz_sout_options[] = {
234 "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
235 "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
236 "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
237 "muxpmt", "sdtdesc", "program-pmt", "alignment",
241 typedef struct pmt_map_t /* Holds the mapping between the pmt-pid/pmt table */
244 unsigned long i_prog;
247 typedef struct sdt_desc_t
250 char *psz_service_name; /* name of program */
258 } sout_buffer_chain_t;
260 static inline void BufferChainInit ( sout_buffer_chain_t *c )
264 c->pp_last = &c->p_first;
267 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
277 c->pp_last = &b->p_next;
280 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
282 block_t *b = c->p_first;
287 c->p_first = b->p_next;
289 if( c->p_first == NULL )
291 c->pp_last = &c->p_first;
299 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
301 block_t *b = c->p_first;
306 static inline void BufferChainClean( sout_instance_t *p_sout,
307 sout_buffer_chain_t *c )
311 while( ( b = BufferChainGet( c ) ) )
315 BufferChainInit( c );
318 typedef struct ts_stream_t
321 vlc_fourcc_t i_codec;
325 int i_continuity_counter;
326 vlc_bool_t b_discontinuity;
328 /* to be used for carriege of DIV3 */
329 vlc_fourcc_t i_bih_codec;
330 int i_bih_width, i_bih_height;
332 /* Specific to mpeg4 in mpeg2ts */
335 int i_decoder_specific_info;
336 uint8_t *p_decoder_specific_info;
338 /* language is iso639-2T */
342 sout_buffer_chain_t chain_pes;
344 mtime_t i_pes_length;
346 vlc_bool_t b_key_frame;
350 struct sout_mux_sys_t
353 sout_input_t *p_pcr_input;
358 vlc_bool_t b_es_id_pid;
363 int i_pid_free; /* first usable pid */
369 int i_pat_version_number;
372 int i_pmt_version_number;
373 ts_stream_t pmt[MAX_PMT];
374 pmt_map_t pmtmap[MAX_PMT_PID];
375 int i_pmt_program_number[MAX_PMT];
376 sdt_desc_t sdt_descriptors[MAX_PMT];
377 vlc_bool_t b_data_alignment;
381 int i_null_continuity_counter; /* Needed ? */
383 dvbpsi_pmt_t *dvbpmt;
385 /* for TS building */
386 int64_t i_bitrate_min;
387 int64_t i_bitrate_max;
389 int64_t i_shaping_delay;
394 vlc_bool_t b_use_key_frames;
396 mtime_t i_pcr; /* last PCR emited */
400 vlc_bool_t b_crypt_audio;
401 vlc_bool_t b_crypt_video;
404 /* Reserve a pid and return it */
405 static int AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
408 if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
410 i_pid = p_sys->i_pid_video;
411 p_sys->i_pid_video = 0;
413 else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
415 i_pid = p_sys->i_pid_audio;
416 p_sys->i_pid_audio = 0;
418 else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
420 i_pid = p_sys->i_pid_spu;
421 p_sys->i_pid_spu = 0;
425 i_pid = ++p_sys->i_pid_free;
430 static int pmtcompare( const void *pa, const void *pb )
432 if ( ((pmt_map_t *)pa)->i_pid < ((pmt_map_t *)pb)->i_pid )
434 else if ( ((pmt_map_t *)pa)->i_pid > ((pmt_map_t *)pb)->i_pid )
440 static int intcompare( const void *pa, const void *pb )
442 if ( *(int *)pa < *(int *)pb )
444 else if ( *(int *)pa > *(int *)pb )
450 /*****************************************************************************
452 *****************************************************************************/
453 static int Control ( sout_mux_t *, int, va_list );
454 static int AddStream( sout_mux_t *, sout_input_t * );
455 static int DelStream( sout_mux_t *, sout_input_t * );
456 static int Mux ( sout_mux_t * );
458 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
459 static void TSSchedule ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
460 mtime_t i_pcr_length, mtime_t i_pcr_dts );
461 static void TSDate ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
462 mtime_t i_pcr_length, mtime_t i_pcr_dts );
463 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
464 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
466 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
467 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
469 static void PEStoTS ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
471 /*****************************************************************************
473 *****************************************************************************/
474 static int Open( vlc_object_t *p_this )
476 sout_mux_t *p_mux =(sout_mux_t*)p_this;
477 sout_mux_sys_t *p_sys = NULL;
481 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
483 p_sys = malloc( sizeof( sout_mux_sys_t ) );
486 p_sys->i_pmtslots = p_sys->b_sdt = 0;
487 p_sys->i_num_pmt = 1;
488 p_sys->dvbpmt = NULL;
489 memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
491 p_mux->pf_control = Control;
492 p_mux->pf_addstream = AddStream;
493 p_mux->pf_delstream = DelStream;
495 p_mux->p_sys = p_sys;
497 srand( (uint32_t)mdate() );
498 for ( i = 0; i < MAX_PMT; i++ )
499 p_sys->sdt_descriptors[i].psz_service_name
500 = p_sys->sdt_descriptors[i].psz_provider = NULL;
501 memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
503 p_sys->i_audio_bound = 0;
504 p_sys->i_video_bound = 0;
506 var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
507 p_sys->b_es_id_pid = val.b_bool;
509 var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
511 fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
512 This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
514 if( val.psz_string != NULL && *val.psz_string )
517 char *psz = val.psz_string;
523 i_pid = strtoul( psz, &psz_next, 0 );
525 if ( strlen(psz_next) > 0 )
530 if ( p_sys->i_num_pmt > MAX_PMT )
533 "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
534 p_sys->i_num_pmt = MAX_PMT;
539 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
540 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
542 if ( p_sys->i_pmtslots > MAX_PMT_PID )
545 "Number of pids in PMT greater than compiled maximum (%d)",
547 p_sys->i_pmtslots = MAX_PMT_PID;
551 /* Now sort according to pids for fast search later on */
552 qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
553 sizeof(pmt_map_t), &pmtcompare );
558 if( val.psz_string != NULL) free( val.psz_string );
560 p_sys->i_pat_version_number = rand() % 32;
561 p_sys->pat.i_pid = 0;
562 p_sys->pat.i_continuity_counter = 0;
563 p_sys->pat.b_discontinuity = VLC_FALSE;
565 var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
567 p_sys->i_tsid = val.i_int;
569 p_sys->i_tsid = rand() % 65536;
571 p_sys->i_netid = rand() % 65536;
572 #ifdef HAVE_DVBPSI_SDT
573 var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
575 p_sys->i_netid = val.i_int;
578 p_sys->i_pmt_version_number = rand() % 32;
579 for( i = 0; i < p_sys->i_num_pmt; i++ )
581 p_sys->pmt[i].i_continuity_counter = 0;
582 p_sys->pmt[i].b_discontinuity = VLC_FALSE;
585 p_sys->sdt.i_pid = 0x11;
586 p_sys->sdt.i_continuity_counter = 0;
587 p_sys->sdt.b_discontinuity = VLC_FALSE;
589 #ifdef HAVE_DVBPSI_SDT
590 var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
591 p_sys->b_sdt = val.psz_string && *val.psz_string ? VLC_TRUE : VLC_FALSE;
593 /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
597 char *psz = val.psz_string;
598 char *psz_sdttoken = psz;
601 while ( psz_sdttoken != NULL )
603 char *psz_end = strchr( psz_sdttoken, ',' );
604 if( psz_end != NULL )
610 p_sys->sdt_descriptors[i/2].psz_provider
611 = strdup(psz_sdttoken);
615 p_sys->sdt_descriptors[i/2].psz_service_name
616 = strdup(psz_sdttoken);
620 psz_sdttoken = psz_end;
623 if( val.psz_string != NULL ) free( val.psz_string );
625 p_sys->b_sdt = VLC_FALSE;
628 var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
629 p_sys->b_data_alignment = val.b_bool;
631 var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
632 if( val.psz_string && *val.psz_string )
635 char *psz = val.psz_string;
640 while ( psz != NULL )
642 i_pid = strtoul( psz, &psz_next, 0 );
643 if( strlen(psz_next) > 0 )
651 msg_Err( p_mux, "Number of PMTs > maximum (%d)",
656 p_sys->i_pmt_program_number[i] = i_pid;
663 /* Option not specified, use 1, 2, 3... */
664 for( i = 0; i < p_sys->i_num_pmt; i++ )
665 p_sys->i_pmt_program_number[i] = i + 1;
667 if( val.psz_string != NULL ) free( val.psz_string );
669 var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
672 for( i = 0; i < p_sys->i_num_pmt; i++ )
673 p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
677 for( i = 0; i < p_sys->i_num_pmt; i++ )
678 p_sys->pmt[i].i_pid = 0x42 + i;
681 p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
683 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
684 p_sys->i_pid_video = val.i_int;
685 if ( p_sys->i_pid_video > p_sys->i_pid_free )
687 p_sys->i_pid_free = p_sys->i_pid_video + 1;
690 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
691 p_sys->i_pid_audio = val.i_int;
692 if ( p_sys->i_pid_audio > p_sys->i_pid_free )
694 p_sys->i_pid_free = p_sys->i_pid_audio + 1;
697 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
698 p_sys->i_pid_spu = val.i_int;
699 if ( p_sys->i_pid_spu > p_sys->i_pid_free )
701 p_sys->i_pid_free = p_sys->i_pid_spu + 1;
704 p_sys->i_pcr_pid = 0x1fff;
705 p_sys->p_pcr_input = NULL;
707 p_sys->i_mpeg4_streams = 0;
709 p_sys->i_null_continuity_counter = 0;
711 /* Allow to create constrained stream */
712 var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
713 p_sys->i_bitrate_min = val.i_int;
715 var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
716 p_sys->i_bitrate_max = val.i_int;
718 if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
719 p_sys->i_bitrate_min > p_sys->i_bitrate_max )
721 msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
722 "disabling bitrate control" );
723 p_sys->i_bitrate_min = 0;
724 p_sys->i_bitrate_max = 0;
726 if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
728 msg_Err( p_mux, "bmin and bmax no more supported "
729 "(if you need them report it)" );
732 var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
733 p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
734 if( p_sys->i_shaping_delay <= 0 )
737 "invalid shaping ("I64Fd"ms) resetting to 200ms",
738 p_sys->i_shaping_delay / 1000 );
739 p_sys->i_shaping_delay = 200000;
742 var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
743 p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
744 if( p_sys->i_pcr_delay <= 0 ||
745 p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
748 "invalid pcr delay ("I64Fd"ms) resetting to 70ms",
749 p_sys->i_pcr_delay / 1000 );
750 p_sys->i_pcr_delay = 70000;
753 var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
754 p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
756 msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
757 p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
759 var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
760 p_sys->b_use_key_frames = val.b_bool;
762 /* for TS generation */
766 var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
767 if( val.psz_string && *val.psz_string )
769 char *psz = val.psz_string;
772 if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
776 if( strlen( psz ) != 16 )
778 msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
782 uint64_t i_ck = strtoull( psz, NULL, 16 );
786 for( i = 0; i < 8; i++ )
788 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
790 #ifndef TS_NO_CSA_CK_MSG
791 msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
792 ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
794 p_sys->csa = csa_New();
799 csa_SetCW( p_sys->csa, ck, ck );
801 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
802 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
804 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
805 msg_Warn( p_mux, "using default packet size of 188 bytes" );
806 p_sys->i_csa_pkt_size = 188;
808 else p_sys->i_csa_pkt_size = pkt_val.i_int;
809 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
813 if( val.psz_string ) free( val.psz_string );
815 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
816 p_sys->b_crypt_audio = val.b_bool;
818 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
819 p_sys->b_crypt_video = val.b_bool;
824 /*****************************************************************************
826 *****************************************************************************/
827 static void Close( vlc_object_t * p_this )
829 sout_mux_t *p_mux = (sout_mux_t*)p_this;
830 sout_mux_sys_t *p_sys = p_mux->p_sys;
835 csa_Delete( p_sys->csa );
837 for( i = 0; i < MAX_PMT; i++ )
839 if( p_sys->sdt_descriptors[i].psz_service_name != NULL )
840 free( p_sys->sdt_descriptors[i].psz_service_name );
841 if( p_sys->sdt_descriptors[i].psz_provider != NULL )
842 free( p_sys->sdt_descriptors[i].psz_provider );
845 if( p_sys->dvbpmt != NULL ) /* safety */
846 free ( p_sys->dvbpmt );
851 /*****************************************************************************
853 *****************************************************************************/
854 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
861 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
862 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
866 case MUX_GET_ADD_STREAM_WAIT:
867 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
868 *pb_bool = VLC_FALSE;
872 ppsz = (char**)va_arg( args, char ** );
873 *ppsz = strdup( "video/mpeg" ); /* FIXME not sure */
881 /*****************************************************************************
882 * AddStream: called for each stream addition
883 *****************************************************************************/
884 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
886 sout_mux_sys_t *p_sys = p_mux->p_sys;
887 ts_stream_t *p_stream;
890 p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
892 /* Init this new stream */
893 if ( p_sys->b_es_id_pid )
894 p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
896 p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
897 p_stream->i_codec = p_input->p_fmt->i_codec;
898 p_stream->i_continuity_counter = 0;
899 p_stream->b_discontinuity = VLC_FALSE;
900 p_stream->i_decoder_specific_info = 0;
901 p_stream->p_decoder_specific_info = NULL;
903 msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
904 (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
906 /* All others fields depand on codec */
907 switch( p_input->p_fmt->i_cat )
910 switch( p_input->p_fmt->i_codec )
912 case VLC_FOURCC( 'm', 'p','g', 'v' ):
913 /* TODO: do we need to check MPEG-I/II ? */
914 p_stream->i_stream_type = 0x02;
915 p_stream->i_stream_id = 0xe0;
917 case VLC_FOURCC( 'm', 'p','4', 'v' ):
918 p_stream->i_stream_type = 0x10;
919 p_stream->i_stream_id = 0xe0;
920 p_stream->i_es_id = p_stream->i_pid;
922 case VLC_FOURCC( 'h', '2','6', '4' ):
923 p_stream->i_stream_type = 0x1b;
924 p_stream->i_stream_id = 0xe0;
926 /* XXX dirty dirty but somebody want that:
927 * using crapy MS-codec XXX */
928 /* I didn't want to do that :P */
929 case VLC_FOURCC( 'H', '2', '6', '3' ):
930 case VLC_FOURCC( 'I', '2', '6', '3' ):
931 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
932 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
933 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
934 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
935 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
936 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
937 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
938 p_stream->i_stream_type = 0xa0; /* private */
939 p_stream->i_stream_id = 0xa0; /* beurk */
940 p_stream->i_bih_codec = p_input->p_fmt->i_codec;
941 p_stream->i_bih_width = p_input->p_fmt->video.i_width;
942 p_stream->i_bih_height = p_input->p_fmt->video.i_height;
948 p_sys->i_video_bound++;
952 switch( p_input->p_fmt->i_codec )
954 case VLC_FOURCC( 'm', 'p','g', 'a' ):
955 p_stream->i_stream_type =
956 p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
957 p_stream->i_stream_id = 0xc0;
959 case VLC_FOURCC( 'a', '5','2', ' ' ):
960 p_stream->i_stream_type = 0x81;
961 p_stream->i_stream_id = 0xbd;
963 case VLC_FOURCC( 'l', 'p','c', 'm' ):
964 p_stream->i_stream_type = 0x83;
965 p_stream->i_stream_id = 0xbd;
967 case VLC_FOURCC( 'd', 't','s', ' ' ):
968 p_stream->i_stream_type = 0x06;
969 p_stream->i_stream_id = 0xbd;
971 case VLC_FOURCC( 'm', 'p','4', 'a' ):
972 p_stream->i_stream_type = 0x11;
973 p_stream->i_stream_id = 0xfa;
974 p_sys->i_mpeg4_streams++;
975 p_stream->i_es_id = p_stream->i_pid;
981 p_sys->i_audio_bound++;
985 switch( p_input->p_fmt->i_codec )
987 case VLC_FOURCC( 's', 'p','u', ' ' ):
988 p_stream->i_stream_type = 0x82;
989 p_stream->i_stream_id = 0xbd;
991 case VLC_FOURCC( 's', 'u','b', 't' ):
992 p_stream->i_stream_type = 0x12;
993 p_stream->i_stream_id = 0xfa;
994 p_sys->i_mpeg4_streams++;
995 p_stream->i_es_id = p_stream->i_pid;
997 case VLC_FOURCC('d','v','b','s'):
998 p_stream->i_stream_type = 0x06;
999 p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1000 p_stream->i_stream_id = 0xbd;
1002 case VLC_FOURCC('t','e','l','x'):
1003 p_stream->i_stream_type = 0x06;
1004 p_stream->i_stream_id = 0xbd; /* FIXME */
1008 return VLC_EGENERIC;
1014 return VLC_EGENERIC;
1017 p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1018 p_stream->lang = malloc(p_stream->i_langs*3);
1022 p_stream->lang[2] = '\0';
1023 if( p_input->p_fmt->psz_language )
1025 char *psz = p_input->p_fmt->psz_language;
1026 const iso639_lang_t *pl = NULL;
1028 if( strlen( psz ) == 2 )
1030 pl = GetLang_1( psz );
1032 else if( strlen( psz ) == 3 )
1034 pl = GetLang_2B( psz );
1035 if( !strcmp( pl->psz_iso639_1, "??" ) )
1037 pl = GetLang_2T( psz );
1040 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1042 p_stream->lang[0] = pl->psz_iso639_2T[0];
1043 p_stream->lang[1] = pl->psz_iso639_2T[1];
1044 p_stream->lang[2] = pl->psz_iso639_2T[2];
1046 msg_Dbg( p_mux, " - lang=%c%c%c",
1047 p_stream->lang[0], p_stream->lang[1],
1048 p_stream->lang[2] );
1051 while( i < p_stream->i_langs ) {
1052 if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1054 char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1055 const iso639_lang_t *pl = NULL;
1057 if( strlen( psz ) == 2 )
1059 pl = GetLang_1( psz );
1061 else if( strlen( psz ) == 3 )
1063 pl = GetLang_2B( psz );
1064 if( !strcmp( pl->psz_iso639_1, "??" ) )
1066 pl = GetLang_2T( psz );
1069 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1071 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1072 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1073 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1075 msg_Dbg( p_mux, " - lang=%c%c%c",
1076 p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1077 p_stream->lang[i*3+2] );
1083 /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1084 p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1085 if( p_stream->i_decoder_specific_info > 0 )
1087 p_stream->p_decoder_specific_info =
1088 malloc( p_stream->i_decoder_specific_info );
1089 memcpy( p_stream->p_decoder_specific_info,
1090 p_input->p_fmt->p_extra,
1091 p_input->p_fmt->i_extra );
1094 /* Create decoder specific info for subt */
1095 if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1099 p_stream->i_decoder_specific_info = 55;
1100 p_stream->p_decoder_specific_info = p =
1101 malloc( p_stream->i_decoder_specific_info );
1103 p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
1104 p[1] = 0x00; /* flags: 1b: associated video info flag
1108 p[2] = 52; /* remaining size */
1112 p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
1113 *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
1114 *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
1116 p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1117 *p++ = 0xff; /* background a */
1119 p[0] = p[1] = 0; p += 2; /* text box top */
1120 p[0] = p[1] = 0; p += 2; /* text box left */
1121 p[0] = p[1] = 0; p += 2; /* text box bottom */
1122 p[0] = p[1] = 0; p += 2; /* text box right */
1124 p[0] = p[1] = 0; p += 2; /* start char */
1125 p[0] = p[1] = 0; p += 2; /* end char */
1126 p[0] = p[1] = 0; p += 2; /* default font id */
1128 *p++ = 0; /* font style flags */
1129 *p++ = 12; /* font size */
1131 p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1132 *p++ = 0x00; /* foreground a */
1134 p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1135 memcpy( p, "ftab", 4 ); p += 4;
1136 *p++ = 0; *p++ = 1; /* entry count */
1137 p[0] = p[1] = 0; p += 2; /* font id */
1138 *p++ = 9; /* font name length */
1139 memcpy( p, "Helvetica", 9 ); /* font name */
1142 /* Init pes chain */
1143 BufferChainInit( &p_stream->chain_pes );
1144 p_stream->i_pes_dts = 0;
1145 p_stream->i_pes_length = 0;
1146 p_stream->i_pes_used = 0;
1147 p_stream->b_key_frame = 0;
1149 /* We only change PMT version (PAT isn't changed) */
1150 p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1152 /* Update pcr_pid */
1153 if( p_input->p_fmt->i_cat != SPU_ES &&
1154 ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1156 if( p_sys->p_pcr_input )
1158 /* There was already a PCR stream, so clean context */
1161 p_sys->i_pcr_pid = p_stream->i_pid;
1162 p_sys->p_pcr_input = p_input;
1164 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1170 /*****************************************************************************
1171 * DelStream: called before a stream deletion
1172 *****************************************************************************/
1173 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1175 sout_mux_sys_t *p_sys = p_mux->p_sys;
1176 ts_stream_t *p_stream;
1179 p_stream = (ts_stream_t*)p_input->p_sys;
1180 msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1182 if( p_sys->i_pcr_pid == p_stream->i_pid )
1186 /* Find a new pcr stream (Prefer Video Stream) */
1187 p_sys->i_pcr_pid = 0x1fff;
1188 p_sys->p_pcr_input = NULL;
1189 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1191 if( p_mux->pp_inputs[i] == p_input )
1196 if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1199 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1200 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1203 else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1204 p_sys->i_pcr_pid == 0x1fff )
1207 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1208 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1211 if( p_sys->p_pcr_input )
1213 /* Empty TS buffer */
1216 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1219 /* Empty all data in chain_pes */
1220 BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
1222 if( p_stream->lang )
1224 free(p_stream->lang);
1226 if( p_stream->p_decoder_specific_info )
1228 free( p_stream->p_decoder_specific_info );
1230 if( p_stream->i_stream_id == 0xfa ||
1231 p_stream->i_stream_id == 0xfb ||
1232 p_stream->i_stream_id == 0xfe )
1234 p_sys->i_mpeg4_streams--;
1237 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1240 int i_pid_video = val.i_int;
1241 if ( i_pid_video == p_stream->i_pid )
1243 p_sys->i_pid_video = i_pid_video;
1244 msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1247 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1250 int i_pid_audio = val.i_int;
1251 if ( i_pid_audio == p_stream->i_pid )
1253 p_sys->i_pid_audio = i_pid_audio;
1254 msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1257 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1260 int i_pid_spu = val.i_int;
1261 if ( i_pid_spu == p_stream->i_pid )
1263 p_sys->i_pid_spu = i_pid_spu;
1264 msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1269 /* We only change PMT version (PAT isn't changed) */
1270 p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1275 /*****************************************************************************
1276 * Mux: Call each time there is new data for at least one stream
1277 *****************************************************************************
1279 *****************************************************************************/
1280 static int Mux( sout_mux_t *p_mux )
1282 sout_mux_sys_t *p_sys = p_mux->p_sys;
1283 ts_stream_t *p_pcr_stream;
1285 if( p_sys->i_pcr_pid == 0x1fff )
1288 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1290 block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1292 msg_Dbg( p_mux, "waiting for PCR streams" );
1296 p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1300 sout_buffer_chain_t chain_ts;
1304 mtime_t i_pcr_length;
1305 mtime_t i_shaping_delay;
1308 if( p_pcr_stream->b_key_frame )
1310 i_shaping_delay = p_pcr_stream->i_pes_length;
1314 i_shaping_delay = p_sys->i_shaping_delay;
1317 /* 1: get enough PES packet for all input */
1320 vlc_bool_t b_ok = VLC_TRUE;
1323 /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1324 /* Accumulate enough data in all other stream ( >= length of pcr)*/
1325 for( i = -1; i < p_mux->i_nb_inputs; i++ )
1327 sout_input_t *p_input;
1328 ts_stream_t *p_stream;
1329 int64_t i_spu_delay = 0;
1332 p_input = p_sys->p_pcr_input;
1333 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1336 p_input = p_mux->pp_inputs[i];
1337 p_stream = (ts_stream_t*)p_input->p_sys;
1339 if( ( p_stream == p_pcr_stream &&
1340 p_stream->i_pes_length < i_shaping_delay ) ||
1341 p_stream->i_pes_dts + p_stream->i_pes_length <
1342 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1344 /* Need more data */
1345 if( p_input->p_fifo->i_depth <= 1 )
1347 if( p_input->p_fmt->i_cat == AUDIO_ES ||
1348 p_input->p_fmt->i_cat == VIDEO_ES )
1350 /* We need more data */
1353 else if( p_input->p_fifo->i_depth <= 0 )
1355 /* spu, only one packet is needed */
1360 /* Don't mux the SPU yet if it is too early */
1361 block_t *p_spu = block_FifoShow( p_input->p_fifo );
1364 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1366 if( i_spu_delay > i_shaping_delay &&
1367 i_spu_delay < I64C(100000000) )
1370 if ( i_spu_delay >= I64C(100000000)
1371 || i_spu_delay < 10000 )
1373 BufferChainClean( p_mux->p_sout,
1374 &p_stream->chain_pes );
1375 p_stream->i_pes_dts = 0;
1376 p_stream->i_pes_used = 0;
1377 p_stream->i_pes_length = 0;
1384 if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1385 || p_input->p_fmt->i_codec !=
1386 VLC_FOURCC('m', 'p', 'g', 'a') )
1387 p_data = block_FifoGet( p_input->p_fifo );
1389 p_data = FixPES( p_mux, p_input->p_fifo );
1391 if( p_input->p_fifo->i_depth > 0 &&
1392 p_input->p_fmt->i_cat != SPU_ES )
1394 block_t *p_next = block_FifoShow( p_input->p_fifo );
1395 p_data->i_length = p_next->i_dts - p_data->i_dts;
1397 else if( p_input->p_fmt->i_codec !=
1398 VLC_FOURCC('s', 'u', 'b', 't' ) )
1399 p_data->i_length = 1000;
1401 if( ( p_pcr_stream->i_pes_dts > 0 &&
1402 p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1403 p_pcr_stream->i_pes_length ) ||
1404 p_data->i_dts < p_stream->i_pes_dts ||
1405 ( p_stream->i_pes_dts > 0 &&
1406 p_input->p_fmt->i_cat != SPU_ES &&
1407 p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1408 p_stream->i_pes_length ) )
1410 msg_Warn( p_mux, "packet with too strange dts "
1411 "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1412 p_data->i_dts, p_stream->i_pes_dts,
1413 p_pcr_stream->i_pes_dts );
1414 block_Release( p_data );
1416 BufferChainClean( p_mux->p_sout,
1417 &p_stream->chain_pes );
1418 p_stream->i_pes_dts = 0;
1419 p_stream->i_pes_used = 0;
1420 p_stream->i_pes_length = 0;
1422 if( p_input->p_fmt->i_cat != SPU_ES )
1424 BufferChainClean( p_mux->p_sout,
1425 &p_pcr_stream->chain_pes );
1426 p_pcr_stream->i_pes_dts = 0;
1427 p_pcr_stream->i_pes_used = 0;
1428 p_pcr_stream->i_pes_length = 0;
1433 int i_header_size = 0;
1434 int b_data_alignment = 0;
1435 if( p_input->p_fmt->i_cat == SPU_ES )
1437 if( p_input->p_fmt->i_codec ==
1438 VLC_FOURCC('s','u','b','t') )
1440 /* Prepend header */
1441 p_data = block_Realloc( p_data, 2,
1443 p_data->p_buffer[0] =
1444 ( (p_data->i_buffer - 2) >> 8) & 0xff;
1445 p_data->p_buffer[1] =
1446 ( (p_data->i_buffer - 2) ) & 0xff;
1448 /* remove trailling \0 if any */
1449 if( p_data->i_buffer > 2 &&
1450 p_data->p_buffer[p_data->i_buffer -1] ==
1454 /* Append a empty sub (sub text only) */
1455 if( p_data->i_length > 0 &&
1456 !( p_data->i_buffer == 1 &&
1457 *p_data->p_buffer == ' ' ) )
1459 block_t *p_spu = block_New( p_mux, 3 );
1461 p_spu->i_dts = p_spu->i_pts =
1462 p_data->i_dts + p_data->i_length;
1463 p_spu->i_length = 1000;
1465 p_spu->p_buffer[0] = 0;
1466 p_spu->p_buffer[1] = 1;
1467 p_spu->p_buffer[2] = ' ';
1469 E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1471 p_stream->i_stream_id, 1,
1473 p_data->p_next = p_spu;
1476 else if( p_input->p_fmt->i_codec ==
1477 VLC_FOURCC('t','e','l','x') )
1480 i_header_size = 0x24;
1481 b_data_alignment = 1;
1483 else if( p_input->p_fmt->i_codec ==
1484 VLC_FOURCC('d','v','b','s') )
1487 b_data_alignment = 1;
1490 else if( p_data->i_length < 0 ||
1491 p_data->i_length > 2000000 )
1493 /* FIXME choose a better value, but anyway we
1494 * should never have to do that */
1495 p_data->i_length = 1000;
1498 p_stream->i_pes_length += p_data->i_length;
1499 if( p_stream->i_pes_dts == 0 )
1501 p_stream->i_pes_dts = p_data->i_dts;
1504 /* Convert to pes */
1505 if( p_stream->i_stream_id == 0xa0 &&
1506 p_data->i_pts <= 0 )
1508 /* XXX yes I know, it's awful, but it's needed,
1509 * so don't remove it ... */
1510 p_data->i_pts = p_data->i_dts;
1513 E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1514 p_input->p_fmt, p_stream->i_stream_id,
1515 1, b_data_alignment, i_header_size, 0 );
1517 BufferChainAppend( &p_stream->chain_pes, p_data );
1519 if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1520 && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1521 && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1522 && (p_stream->i_pes_length > 400000) )
1524 i_shaping_delay = p_stream->i_pes_length;
1525 p_stream->b_key_frame = 1;
1538 i_pcr_dts = p_pcr_stream->i_pes_dts;
1539 i_pcr_length = p_pcr_stream->i_pes_length;
1540 p_pcr_stream->b_key_frame = 0;
1542 /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1543 /* 2: calculate non accurate total size of muxed ts */
1545 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1547 ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1550 /* False for pcr stream but it will be enough to do PCR algo */
1551 for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1552 p_pes = p_pes->p_next )
1554 int i_size = p_pes->i_buffer;
1555 if( p_pes->i_dts + p_pes->i_length >
1556 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1558 mtime_t i_frag = p_pcr_stream->i_pes_dts +
1559 p_pcr_stream->i_pes_length - p_pes->i_dts;
1565 i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1567 i_packet_count += ( i_size + 183 ) / 184;
1570 /* add overhead for PCR (not really exact) */
1571 i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1573 /* 3: mux PES into TS */
1574 BufferChainInit( &chain_ts );
1575 /* append PAT/PMT -> FIXME with big pcr delay it won't have enough pat/pmt */
1576 GetPAT( p_mux, &chain_ts );
1577 GetPMT( p_mux, &chain_ts );
1579 i_packet_count += chain_ts.i_depth;
1580 /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1586 ts_stream_t *p_stream;
1587 sout_input_t *p_input;
1591 /* Select stream (lowest dts) */
1592 for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1594 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1596 if( p_stream->i_pes_dts == 0 )
1601 if( i_stream == -1 ||
1602 p_stream->i_pes_dts < i_dts )
1605 i_dts = p_stream->i_pes_dts;
1608 if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1612 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1613 p_input = p_mux->pp_inputs[i_stream];
1615 /* do we need to issue pcr */
1617 if( p_stream == p_pcr_stream &&
1618 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1619 p_sys->i_pcr + p_sys->i_pcr_delay )
1622 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1623 i_pcr_length / i_packet_count;
1626 /* Build the TS packet */
1627 p_ts = TSNew( p_mux, p_stream, b_pcr );
1628 if( p_sys->csa != NULL &&
1629 (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1630 (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1632 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1637 BufferChainAppend( &chain_ts, p_ts );
1640 /* 4: date and send */
1641 TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1645 #define STD_PES_PAYLOAD 170
1646 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1651 p_data = block_FifoShow( p_fifo );
1652 i_size = p_data->i_buffer;
1654 if( i_size == STD_PES_PAYLOAD )
1656 return block_FifoGet( p_fifo );
1658 else if( i_size > STD_PES_PAYLOAD )
1660 block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1661 p_mux->p_libvlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1662 p_new->i_pts = p_data->i_pts;
1663 p_new->i_dts = p_data->i_dts;
1664 p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1666 p_data->i_buffer -= STD_PES_PAYLOAD;
1667 p_data->p_buffer += STD_PES_PAYLOAD;
1668 p_data->i_pts += p_new->i_length;
1669 p_data->i_dts += p_new->i_length;
1670 p_data->i_length -= p_new->i_length;
1671 p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1679 p_data = block_FifoGet( p_fifo );
1680 p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1681 p_next = block_FifoShow( p_fifo );
1682 if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1684 p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1685 p_data->i_pts = p_next->i_pts;
1686 p_data->i_dts = p_next->i_dts;
1688 i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1690 p_mux->p_libvlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1692 p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1693 p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1694 p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1695 p_next->i_buffer -= i_copy;
1696 p_next->p_buffer += i_copy;
1697 p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1699 if( !p_next->i_buffer )
1701 p_next = block_FifoGet( p_fifo );
1702 block_Release( p_next );
1708 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1709 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1711 sout_mux_sys_t *p_sys = p_mux->p_sys;
1712 sout_buffer_chain_t new_chain;
1713 int i_packet_count = p_chain_ts->i_depth;
1716 BufferChainInit( &new_chain );
1718 if ( i_pcr_length <= 0 )
1720 i_pcr_length = i_packet_count;
1723 for( i = 0; i < i_packet_count; i++ )
1725 block_t *p_ts = BufferChainGet( p_chain_ts );
1726 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1728 BufferChainAppend( &new_chain, p_ts );
1731 p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1733 mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1734 mtime_t i_cut_dts = p_ts->i_dts;
1736 p_ts = BufferChainPeek( p_chain_ts );
1738 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1739 while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1741 p_ts = BufferChainGet( p_chain_ts );
1742 i_max_diff = i_new_dts - p_ts->i_dts;
1743 i_cut_dts = p_ts->i_dts;
1744 BufferChainAppend( &new_chain, p_ts );
1746 p_ts = BufferChainPeek( p_chain_ts );
1748 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1750 msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1751 i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1752 p_chain_ts->i_depth );
1753 if ( new_chain.i_depth )
1754 TSDate( p_mux, &new_chain,
1755 i_cut_dts - i_pcr_dts,
1757 if ( p_chain_ts->i_depth )
1759 p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1765 if ( new_chain.i_depth )
1766 TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1769 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1770 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1772 sout_mux_sys_t *p_sys = p_mux->p_sys;
1773 int i_packet_count = p_chain_ts->i_depth;
1776 if ( i_pcr_length / 1000 > 0 )
1778 int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1779 / (uint64_t)(i_pcr_length / 1000);
1780 if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1782 msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1783 " (%d bi/s for %d pkt in "I64Fd" us)",
1784 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1785 i_bitrate, i_packet_count, i_pcr_length);
1790 msg_Dbg( p_mux, "starting at "I64Fd
1791 " (%d bi/s for %d packets in "I64Fd" us)",
1792 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1793 i_bitrate, i_packet_count, i_pcr_length);
1799 /* This shouldn't happen, but happens in some rare heavy load
1800 * and packet losses conditions. */
1801 i_pcr_length = i_packet_count;
1804 /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1805 for( i = 0; i < i_packet_count; i++ )
1807 block_t *p_ts = BufferChainGet( p_chain_ts );
1808 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1810 p_ts->i_dts = i_new_dts;
1811 p_ts->i_length = i_pcr_length / i_packet_count;
1813 if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1815 /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1816 TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1818 if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1820 csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size, 0 );
1824 p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1826 sout_AccessOutWrite( p_mux->p_access, p_ts );
1830 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1833 block_t *p_pes = p_stream->chain_pes.p_first;
1836 vlc_bool_t b_new_pes = VLC_FALSE;
1837 vlc_bool_t b_adaptation_field = VLC_FALSE;
1839 int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1842 if( p_stream->i_pes_used <= 0 )
1844 b_new_pes = VLC_TRUE;
1846 i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1849 if( b_pcr || i_payload < i_payload_max )
1851 b_adaptation_field = VLC_TRUE;
1854 p_ts = block_New( p_mux, 188 );
1855 p_ts->i_dts = p_pes->i_dts;
1857 p_ts->p_buffer[0] = 0x47;
1858 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1859 ( ( p_stream->i_pid >> 8 )&0x1f );
1860 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1861 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1862 p_stream->i_continuity_counter;
1864 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1865 p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
1867 if( b_adaptation_field )
1873 int i_stuffing = i_payload_max - i_payload;
1875 p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1877 p_ts->p_buffer[4] = 7 + i_stuffing;
1878 p_ts->p_buffer[5] = 0x10; /* flags */
1879 if( p_stream->b_discontinuity )
1881 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
1882 p_stream->b_discontinuity = VLC_FALSE;
1884 p_ts->p_buffer[6] = ( 0 )&0xff;
1885 p_ts->p_buffer[7] = ( 0 )&0xff;
1886 p_ts->p_buffer[8] = ( 0 )&0xff;
1887 p_ts->p_buffer[9] = ( 0 )&0xff;
1888 p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1889 p_ts->p_buffer[11]= 0;
1891 for( i = 12; i < 12 + i_stuffing; i++ )
1893 p_ts->p_buffer[i] = 0xff;
1898 int i_stuffing = i_payload_max - i_payload;
1900 p_ts->p_buffer[4] = i_stuffing - 1;
1901 if( i_stuffing > 1 )
1903 p_ts->p_buffer[5] = 0x00;
1904 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1906 p_ts->p_buffer[i] = 0xff;
1913 memcpy( &p_ts->p_buffer[188 - i_payload],
1914 &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1916 p_stream->i_pes_used += i_payload;
1917 p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1918 p_stream->i_pes_used / p_pes->i_buffer;
1919 p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1921 if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1923 p_pes = BufferChainGet( &p_stream->chain_pes );
1924 block_Release( p_pes );
1926 p_pes = p_stream->chain_pes.p_first;
1929 p_stream->i_pes_dts = p_pes->i_dts;
1930 p_stream->i_pes_length = 0;
1933 p_stream->i_pes_length += p_pes->i_length;
1935 p_pes = p_pes->p_next;
1940 p_stream->i_pes_dts = 0;
1941 p_stream->i_pes_length = 0;
1943 p_stream->i_pes_used = 0;
1949 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1951 mtime_t i_pcr = 9 * i_dts / 100;
1953 p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
1954 p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
1955 p_ts->p_buffer[8] = ( i_pcr >> 9 )&0xff;
1956 p_ts->p_buffer[9] = ( i_pcr >> 1 )&0xff;
1957 p_ts->p_buffer[10]|= ( i_pcr << 7 )&0x80;
1961 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1962 mtime_t i_length, int i_bitrate_min,
1965 sout_mux_sys_t *p_sys = p_mux->p_sys;
1966 sout_buffer_chain_t s = *c;
1969 int i_packets_min = 0;
1970 int i_packets_max = 0;
1977 i_packets = c->i_depth;
1978 i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000 + 187 ) / 188;
1979 i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000 + 187 ) / 188;
1981 if( i_packets < i_packets_min && i_packets_min > 0 )
1984 int i_div = ( i_packets_min - i_packets ) / i_packets;
1985 int i_mod = ( i_packets_min - i_packets ) % i_packets;
1988 /* We need to pad with null packets (pid=0x1fff)
1989 * We try to melt null packets with true packets */
1991 "packets=%d but min=%d -> adding %d packets of padding",
1992 i_packets, i_packets_min, i_packets_min - i_packets );
1994 BufferChainInit( c );
1995 while( ( p_pk = BufferChainGet( &s ) ) )
1999 BufferChainAppend( c, p_pk );
2001 i_null = i_div + ( i_rest + i_mod ) / i_packets;
2003 for( i = 0; i < i_null; i++ )
2007 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2008 p_null->p_buffer[0] = 0x47;
2009 p_null->p_buffer[1] = 0x1f;
2010 p_null->p_buffer[2] = 0xff;
2011 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2012 memset( &p_null->p_buffer[4], 0, 184 );
2013 p_sys->i_null_continuity_counter =
2014 ( p_sys->i_null_continuity_counter + 1 ) % 16;
2016 BufferChainAppend( c, p_null );
2019 i_rest = ( i_rest + i_mod ) % i_packets;
2022 else if( i_packets > i_packets_max && i_packets_max > 0 )
2027 /* Arg, we need to drop packets, I don't do something clever (like
2028 * dropping complete pid, b frames, ... ), I just get the right amount
2029 * of packets and discard the others */
2031 "packets=%d but max=%d -> removing %d packets -> stream broken",
2032 i_packets, i_packets_max, i_packets - i_packets_max );
2034 BufferChainInit( c );
2035 for( i = 0; i < i_packets_max; i++ )
2037 BufferChainAppend( c, BufferChainGet( &s ) );
2040 while( ( p_pk = BufferChainGet( &s ) ) )
2042 sout_BufferDelete( p_mux->p_sout, p_pk );
2048 static void PEStoTS( sout_instance_t *p_sout,
2049 sout_buffer_chain_t *c, block_t *p_pes,
2050 ts_stream_t *p_stream )
2056 /* get PES total size */
2057 i_size = p_pes->i_buffer;
2058 p_data = p_pes->p_buffer;
2060 b_new_pes = VLC_TRUE;
2064 int b_adaptation_field;
2068 p_ts = block_New( p_sout, 188 );
2071 * 1b transport_error_indicator
2072 * 1b payload_unit_start
2073 * 1b transport_priority
2075 * 2b transport_scrambling_control
2076 * 2b if adaptation_field 0x03 else 0x01
2077 * 4b continuity_counter
2080 i_copy = __MIN( i_size, 184 );
2081 b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
2083 p_ts->p_buffer[0] = 0x47;
2084 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2085 ( ( p_stream->i_pid >> 8 )&0x1f );
2086 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2087 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2088 p_stream->i_continuity_counter;
2090 b_new_pes = VLC_FALSE;
2091 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2093 if( b_adaptation_field )
2095 int i_stuffing = 184 - i_copy;
2098 p_ts->p_buffer[4] = i_stuffing - 1;
2099 if( i_stuffing > 1 )
2101 p_ts->p_buffer[5] = 0x00;
2102 if( p_stream->b_discontinuity )
2104 p_ts->p_buffer[5] |= 0x80;
2105 p_stream->b_discontinuity = VLC_FALSE;
2107 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2109 p_ts->p_buffer[i] = 0xff;
2114 memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2118 BufferChainAppend( c, p_ts );
2122 block_t *p_next = p_pes->p_next;
2124 p_pes->p_next = NULL;
2125 block_Release( p_pes );
2126 if( p_next == NULL )
2130 b_new_pes = VLC_TRUE;
2132 i_size = p_pes->i_buffer;
2133 p_data = p_pes->p_buffer;
2140 static block_t *WritePSISection( sout_instance_t *p_sout,
2141 dvbpsi_psi_section_t* p_section )
2143 block_t *p_psi, *p_first = NULL;
2149 i_size = (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2150 ( p_section->b_syntax_indicator ? 4 : 0 );
2152 p_psi = block_New( p_sout, i_size + 1 );
2155 p_psi->i_length = 0;
2156 p_psi->i_buffer = i_size + 1;
2158 p_psi->p_buffer[0] = 0; /* pointer */
2159 memcpy( p_psi->p_buffer + 1,
2163 block_ChainAppend( &p_first, p_psi );
2165 p_section = p_section->p_next;
2171 static void GetPAT( sout_mux_t *p_mux,
2172 sout_buffer_chain_t *c )
2174 sout_mux_sys_t *p_sys = p_mux->p_sys;
2177 dvbpsi_psi_section_t *p_section;
2180 dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2181 1 ); /* b_current_next */
2182 /* add all programs */
2183 for ( i = 0; i < p_sys->i_num_pmt; i++ )
2184 dvbpsi_PATAddProgram( &pat,
2185 p_sys->i_pmt_program_number[i],
2186 p_sys->pmt[i].i_pid );
2188 p_section = dvbpsi_GenPATSections( &pat,
2189 0 ); /* max program per section */
2191 p_pat = WritePSISection( p_mux->p_sout, p_section );
2193 PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2195 dvbpsi_DeletePSISections( p_section );
2196 dvbpsi_EmptyPAT( &pat );
2199 static uint32_t GetDescriptorLength24b( int i_length )
2201 uint32_t i_l1, i_l2, i_l3;
2203 i_l1 = i_length&0x7f;
2204 i_l2 = ( i_length >> 7 )&0x7f;
2205 i_l3 = ( i_length >> 14 )&0x7f;
2207 return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2210 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2212 sout_mux_sys_t *p_sys = p_mux->p_sys;
2213 block_t *p_pmt[MAX_PMT];
2217 dvbpsi_pmt_es_t *p_es;
2218 dvbpsi_psi_section_t *p_section[MAX_PMT], *p_section2;
2219 dvbpsi_sdt_service_t *p_service;
2225 int *p_usepid = NULL;
2227 if( p_sys->dvbpmt == NULL )
2228 p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2229 #ifdef HAVE_DVBPSI_SDT
2231 dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2234 for( i = 0; i < p_sys->i_num_pmt; i++ )
2236 dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2237 p_sys->i_pmt_program_number[i], /* program number */
2238 p_sys->i_pmt_version_number,
2239 1, /* b_current_next */
2242 #ifdef HAVE_DVBPSI_SDT
2245 p_service = dvbpsi_SDTAddService( &sdt,
2246 p_sys->i_pmt_program_number[i], /* service id */
2247 0, /* eit schedule */
2248 0, /* eit present */
2249 4, /* running status ("4=RUNNING") */
2252 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2253 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2255 /* FIXME: Ineffecient malloc's & ugly code...... */
2256 if( psz_sdtprov != NULL && psz_sdtserv != NULL )
2258 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2259 + strlen(psz_sdtserv) );
2260 psz_sdt_desc[0] = 0x01; /* digital television service */
2262 /* service provider name length */
2263 psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2264 memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2266 /* service name length */
2267 psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2268 = (char)strlen(psz_sdtserv);
2269 memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2270 strlen(psz_sdtserv) );
2272 dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2273 3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2275 free( psz_sdt_desc );
2283 if( p_sys->i_mpeg4_streams > 0 )
2287 bits_buffer_t bits_fix_IOD;
2289 /* Make valgrind happy : it works at byte level not bit one so
2290 * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2291 * working (needed when fixing some bits) */
2292 memset( iod, 0, 4096 );
2294 bits_initwrite( &bits, 4096, iod );
2295 /* IOD_label_scope */
2296 bits_write( &bits, 8, 0x11 );
2298 bits_write( &bits, 8, 0x01 );
2299 /* InitialObjectDescriptor */
2300 bits_align( &bits );
2301 bits_write( &bits, 8, 0x02 ); /* tag */
2302 bits_fix_IOD = bits; /* save states to fix length later */
2303 bits_write( &bits, 24,
2304 GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
2305 bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
2306 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2307 bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
2308 bits_write( &bits, 4, 0x0f ); /* reserved */
2309 bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
2310 bits_write( &bits, 8, 0xff ); /* sceneProfile */
2311 bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
2312 bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
2313 bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
2314 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2316 ts_stream_t *p_stream;
2317 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2319 if( p_stream->i_stream_id == 0xfa ||
2320 p_stream->i_stream_id == 0xfb ||
2321 p_stream->i_stream_id == 0xfe )
2323 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2325 bits_align( &bits );
2326 bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
2327 bits_fix_ESDescr = bits;
2328 bits_write( &bits, 24,
2329 GetDescriptorLength24b( 0 ) ); /* variable size */
2330 bits_write( &bits, 16, p_stream->i_es_id );
2331 bits_write( &bits, 1, 0x00 ); /* streamDependency */
2332 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2333 bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
2334 bits_write( &bits, 5, 0x1f ); /* streamPriority */
2336 /* DecoderConfigDesciptor */
2337 bits_align( &bits );
2338 bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
2339 bits_fix_Decoder = bits;
2340 bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
2341 if( p_stream->i_stream_type == 0x10 )
2343 bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
2344 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2346 else if( p_stream->i_stream_type == 0x1b )
2348 bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
2349 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2351 else if( p_stream->i_stream_type == 0x11 || p_stream->i_stream_type == 0x0f )
2353 bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
2354 bits_write( &bits, 6, 0x05 ); /* AudioStream */
2356 else if( p_stream->i_stream_type == 0x12 &&
2357 p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2359 bits_write( &bits, 8, 0x0B ); /* Text Stream */
2360 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2364 bits_write( &bits, 8, 0x00 );
2365 bits_write( &bits, 6, 0x00 );
2367 msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2370 bits_write( &bits, 1, 0x00 ); /* UpStream */
2371 bits_write( &bits, 1, 0x01 ); /* reserved */
2372 bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
2373 bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
2374 bits_write( &bits, 32, 0 ); /* avgBitrate */
2376 if( p_stream->i_decoder_specific_info > 0 )
2379 /* DecoderSpecificInfo */
2380 bits_align( &bits );
2381 bits_write( &bits, 8, 0x05 ); /* tag */
2382 bits_write( &bits, 24, GetDescriptorLength24b(
2383 p_stream->i_decoder_specific_info ) );
2384 for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2386 bits_write( &bits, 8,
2387 ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2390 /* fix Decoder length */
2391 bits_write( &bits_fix_Decoder, 24,
2392 GetDescriptorLength24b( bits.i_data -
2393 bits_fix_Decoder.i_data - 3 ) );
2395 /* SLConfigDescriptor : predefined (0x01) */
2396 bits_align( &bits );
2397 bits_write( &bits, 8, 0x06 ); /* tag */
2398 bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
2399 bits_write( &bits, 8, 0x01 );/* predefined */
2400 bits_write( &bits, 1, 0 ); /* durationFlag */
2401 bits_write( &bits, 32, 0 ); /* OCRResolution */
2402 bits_write( &bits, 8, 0 ); /* OCRLength */
2403 bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
2404 bits_align( &bits );
2406 /* fix ESDescr length */
2407 bits_write( &bits_fix_ESDescr, 24,
2408 GetDescriptorLength24b( bits.i_data -
2409 bits_fix_ESDescr.i_data - 3 ) );
2412 bits_align( &bits );
2413 /* fix IOD length */
2414 bits_write( &bits_fix_IOD, 24,
2415 GetDescriptorLength24b( bits.i_data -
2416 bits_fix_IOD.i_data - 3 ) );
2418 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2419 i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2420 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2421 sizeof(pmt_map_t), intcompare );
2422 p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2423 sizeof(pmt_map_t), pmtcompare );
2424 if( p_usepid != NULL )
2425 dvbpsi_PMTAddDescriptor(
2426 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2427 bits.i_data, bits.p_data );
2429 msg_Err( p_mux, "Received an unmapped PID" );
2431 dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2436 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2438 ts_stream_t *p_stream;
2440 p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2443 i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2444 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2445 sizeof(pmt_map_t), intcompare );
2447 if( p_usepid != NULL )
2448 p_es = dvbpsi_PMTAddES(
2449 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2450 p_stream->i_stream_type, p_stream->i_pid );
2452 /* If there's an error somewhere, dump it to the first pmt */
2454 p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2457 if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2462 es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2463 es_id[1] = (p_stream->i_es_id)&0xff;
2464 dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2466 else if( p_stream->i_stream_type == 0xa0 )
2469 int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2471 /* private DIV3 descripor */
2472 memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2473 data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2474 data[5] = ( p_stream->i_bih_width )&0xff;
2475 data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2476 data[7] = ( p_stream->i_bih_height )&0xff;
2477 data[8] = ( i_extra >> 8 )&0xff;
2478 data[9] = ( i_extra )&0xff;
2481 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2484 /* 0xa0 is private */
2485 dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2487 else if( p_stream->i_stream_type == 0x81 )
2489 uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2491 /* "registration" descriptor : "AC-3" */
2492 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2494 else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2496 /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2498 /* DTS format identifier, frame size 1024 - FIXME */
2499 uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2500 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2502 else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2504 if( p_stream->i_decoder_specific_info )
2506 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2507 p_stream->i_decoder_specific_info,
2508 p_stream->p_decoder_specific_info );
2512 else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2515 if( p_stream->i_decoder_specific_info )
2517 /* pass-through from the TS demux */
2518 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2519 p_stream->i_decoder_specific_info,
2520 p_stream->p_decoder_specific_info );
2522 #ifdef _DVBPSI_DR_59_H_
2525 /* from the dvbsub transcoder */
2526 dvbpsi_subtitling_dr_t descr;
2527 dvbpsi_subtitle_t sub;
2528 dvbpsi_descriptor_t *p_descr;
2530 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2531 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2532 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2533 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2535 descr.i_subtitles_number = 1;
2536 descr.p_subtitle[0] = sub;
2538 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2539 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2540 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2541 p_descr->i_length, p_descr->p_data );
2543 #endif /* _DVBPSI_DR_59_H_ */
2547 if( p_stream->lang[0] != 0 )
2549 uint8_t data[4*p_stream->i_langs];
2551 /* I construct the content myself, way faster than looking at
2552 * over complicated/mind broken libdvbpsi way */
2553 for(i = 0; i < p_stream->i_langs; i++ )
2555 data[i*4+0] = p_stream->lang[i*3+0];
2556 data[i*4+1] = p_stream->lang[i*3+1];
2557 data[i*4+2] = p_stream->lang[i*3+2];
2558 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2560 dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2564 for( i = 0; i < p_sys->i_num_pmt; i++ )
2566 p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2567 p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2568 PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2569 dvbpsi_DeletePSISections( p_section[i] );
2570 dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2573 #ifdef HAVE_DVBPSI_SDT
2576 p_section2 = dvbpsi_GenSDTSections( &sdt );
2577 p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2578 PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2579 dvbpsi_DeletePSISections( p_section2 );
2580 dvbpsi_EmptySDT( &sdt );