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 *****************************************************************************/
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
38 #include <vlc_codecs.h>
39 #include <vlc_block.h>
41 #include <vlc_iso_lang.h>
47 #ifdef HAVE_DVBPSI_DR_H
48 # include <dvbpsi/dvbpsi.h>
49 # include <dvbpsi/demux.h>
50 # include <dvbpsi/descriptor.h>
51 # include <dvbpsi/pat.h>
52 # include <dvbpsi/pmt.h>
53 # include <dvbpsi/sdt.h>
54 # include <dvbpsi/dr.h>
55 # include <dvbpsi/psi.h>
59 # include "descriptor.h"
60 # include "tables/pat.h"
61 # include "tables/pmt.h"
62 # include "tables/sdt.h"
63 # include "descriptors/dr.h"
69 * - check PCR frequency requirement
71 * - check PCR/PCR "soft"
72 * - check if "registration" descriptor : "AC-3" should be a program
73 * descriptor or an es one. (xine want an es one)
75 * - remove creation of PAT/PMT without dvbpsi
78 * - subtitle support is far from perfect. I expect some subtitles drop
79 * if they arrive a bit late
80 * (We cannot rely on the fact that the fifo should be full)
83 /*****************************************************************************
85 *****************************************************************************/
86 static int ChangeKeyCallback ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
87 static int ActiveKeyCallback ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
89 /*****************************************************************************
91 *****************************************************************************/
92 static int Open ( vlc_object_t * );
93 static void Close ( vlc_object_t * );
95 #define VPID_TEXT N_("Video PID")
96 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
97 "PID will automatically be the video.")
98 #define APID_TEXT N_("Audio PID")
99 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
100 #define SPUPID_TEXT N_("SPU PID")
101 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
102 #define PMTPID_TEXT N_("PMT PID")
103 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
104 #define TSID_TEXT N_("TS ID")
105 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
106 #define NETID_TEXT N_("NET ID")
107 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
109 #define PMTPROG_TEXT N_("PMT Program numbers")
110 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
111 "requires \"Set PID to ID of ES\" to be enabled." )
113 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
114 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
115 "requires \"Set PID to ID of ES\" to be enabled." )
117 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
118 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
119 "requires \"Set PID to ID of ES\" to be enabled." )
121 #define PID_TEXT N_("Set PID to ID of ES")
122 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
123 "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
124 "and output streams.")
126 #define ALIGNMENT_TEXT N_("Data alignment")
127 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
128 "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
130 #define SHAPING_TEXT N_("Shaping delay (ms)")
131 #define SHAPING_LONGTEXT N_("Cut the " \
132 "stream in slices of the given duration, and ensure a constant bitrate " \
133 "between the two boundaries. This avoids having huge bitrate peaks, " \
134 "especially for reference frames." )
136 #define KEYF_TEXT N_("Use keyframes")
137 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
138 "the TS muxer will place the boundaries at the end of I pictures. In " \
139 "that case, the shaping duration given by the user is a worse case " \
140 "used when no reference frame is available. This enhances the efficiency " \
141 "of the shaping algorithm, since I frames are usually the biggest " \
142 "frames in the stream.")
144 #define PCR_TEXT N_("PCR delay (ms)")
145 #define PCR_LONGTEXT N_("Set at which interval " \
146 "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
147 "This value should be below 100ms. (default is 70ms).")
149 #define BMIN_TEXT N_( "Minimum B (deprecated)")
150 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
152 #define BMAX_TEXT N_( "Maximum B (deprecated)")
153 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
155 #define DTS_TEXT N_("DTS delay (ms)")
156 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
157 "stamps) and PTS (presentation timestamps) of the data in the " \
158 "stream, compared to the PCRs. This allows for some buffering inside " \
159 "the client decoder.")
161 #define ACRYPT_TEXT N_("Crypt audio")
162 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
163 #define VCRYPT_TEXT N_("Crypt video")
164 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
166 #define CK_TEXT N_("CSA Key")
167 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
168 "16 char string (8 hexadecimal bytes).")
170 #define CK2_TEXT N_("Second CSA Key")
171 #define CK2_LONGTEXT N_("The even CSA encryption key. This must be a " \
172 "16 char string (8 hexadecimal bytes).")
174 #define CU_TEXT N_("CSA Key in use")
175 #define CU_LONGTEXT N_("CSA encryption key used. It can be the odd/first/1 " \
176 "(default) or the even/second/2 one.")
178 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
179 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
180 "The encryption routines subtract the TS-header from the value before " \
183 #define SOUT_CFG_PREFIX "sout-ts-"
185 # define MAX_PMT 64 /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
189 #define MAX_PMT_PID 64 /* Maximum pids in each pmt. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
192 set_description( N_("TS muxer (libdvbpsi)") );
193 set_shortname( "MPEG-TS");
194 set_category( CAT_SOUT );
195 set_subcategory( SUBCAT_SOUT_MUX );
196 set_capability( "sout mux", 120 );
197 add_shortcut( "ts" );
199 add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
201 add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
202 APID_LONGTEXT, true );
203 add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
204 SPUPID_LONGTEXT, true );
205 add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
206 PMTPID_LONGTEXT, true );
207 add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
208 TSID_LONGTEXT, true );
209 #ifdef HAVE_DVBPSI_SDT
210 add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
211 NETID_LONGTEXT, true );
213 add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
214 PMTPROG_LONGTEXT, true );
215 add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
217 add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, true );
218 #ifdef HAVE_DVBPSI_SDT
219 add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, true );
221 add_bool( SOUT_CFG_PREFIX "alignment", true, NULL, ALIGNMENT_TEXT,
222 ALIGNMENT_LONGTEXT, true );
224 add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL, SHAPING_TEXT,
225 SHAPING_LONGTEXT, true );
226 add_bool( SOUT_CFG_PREFIX "use-key-frames", false, NULL, KEYF_TEXT,
227 KEYF_LONGTEXT, true );
229 add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
231 add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
233 add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
235 add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
236 DTS_LONGTEXT, true );
238 add_bool( SOUT_CFG_PREFIX "crypt-audio", true, NULL, ACRYPT_TEXT,
239 ACRYPT_LONGTEXT, true );
240 add_bool( SOUT_CFG_PREFIX "crypt-video", true, NULL, VCRYPT_TEXT,
241 VCRYPT_LONGTEXT, true );
243 add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
245 add_string( SOUT_CFG_PREFIX "csa2-ck", NULL, NULL, CK2_TEXT, CK2_LONGTEXT,
247 add_string( SOUT_CFG_PREFIX "csa-use", "1", NULL, CU_TEXT, CU_LONGTEXT,
249 add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, true );
251 set_callbacks( Open, Close );
254 /*****************************************************************************
255 * Local data structures
256 *****************************************************************************/
257 static const char *const ppsz_sout_options[] = {
258 "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
259 "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
260 "dts-delay", "csa-ck", "csa2-ck", "csa-use", "csa-pkt", "crypt-audio", "crypt-video",
261 "muxpmt", "sdtdesc", "program-pmt", "alignment",
265 typedef struct pmt_map_t /* Holds the mapping between the pmt-pid/pmt table */
268 unsigned long i_prog;
271 typedef struct sdt_desc_t
274 char *psz_service_name; /* name of program */
282 } sout_buffer_chain_t;
284 static inline void BufferChainInit ( sout_buffer_chain_t *c )
288 c->pp_last = &c->p_first;
291 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
301 c->pp_last = &b->p_next;
304 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
306 block_t *b = c->p_first;
311 c->p_first = b->p_next;
313 if( c->p_first == NULL )
315 c->pp_last = &c->p_first;
323 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
325 block_t *b = c->p_first;
330 static inline void BufferChainClean( sout_buffer_chain_t *c )
334 while( ( b = BufferChainGet( c ) ) )
338 BufferChainInit( c );
341 typedef struct ts_stream_t
344 vlc_fourcc_t i_codec;
348 int i_continuity_counter;
349 bool b_discontinuity;
351 /* to be used for carriege of DIV3 */
352 vlc_fourcc_t i_bih_codec;
353 int i_bih_width, i_bih_height;
355 /* Specific to mpeg4 in mpeg2ts */
358 int i_decoder_specific_info;
359 uint8_t *p_decoder_specific_info;
361 /* language is iso639-2T */
365 sout_buffer_chain_t chain_pes;
367 mtime_t i_pes_length;
373 struct sout_mux_sys_t
376 sout_input_t *p_pcr_input;
378 vlc_mutex_t csa_lock;
388 int i_pid_free; /* first usable pid */
394 int i_pat_version_number;
397 int i_pmt_version_number;
398 ts_stream_t pmt[MAX_PMT];
399 pmt_map_t pmtmap[MAX_PMT_PID];
400 int i_pmt_program_number[MAX_PMT];
401 sdt_desc_t sdt_descriptors[MAX_PMT];
402 bool b_data_alignment;
406 int i_null_continuity_counter; /* Needed ? */
408 dvbpsi_pmt_t *dvbpmt;
410 /* for TS building */
411 int64_t i_bitrate_min;
412 int64_t i_bitrate_max;
414 int64_t i_shaping_delay;
419 bool b_use_key_frames;
421 mtime_t i_pcr; /* last PCR emited */
429 /* Reserve a pid and return it */
430 static int AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
433 if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
435 i_pid = p_sys->i_pid_video;
436 p_sys->i_pid_video = 0;
438 else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
440 i_pid = p_sys->i_pid_audio;
441 p_sys->i_pid_audio = 0;
443 else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
445 i_pid = p_sys->i_pid_spu;
446 p_sys->i_pid_spu = 0;
450 i_pid = ++p_sys->i_pid_free;
455 static int pmtcompare( const void *pa, const void *pb )
457 if ( ((pmt_map_t *)pa)->i_pid < ((pmt_map_t *)pb)->i_pid )
459 else if ( ((pmt_map_t *)pa)->i_pid > ((pmt_map_t *)pb)->i_pid )
465 static int intcompare( const void *pa, const void *pb )
467 if ( *(int *)pa < *(int *)pb )
469 else if ( *(int *)pa > *(int *)pb )
475 /*****************************************************************************
477 *****************************************************************************/
478 static int Control ( sout_mux_t *, int, va_list );
479 static int AddStream( sout_mux_t *, sout_input_t * );
480 static int DelStream( sout_mux_t *, sout_input_t * );
481 static int Mux ( sout_mux_t * );
483 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
484 static block_t *Add_ADTS( block_t *, es_format_t * );
485 static void TSSchedule ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
486 mtime_t i_pcr_length, mtime_t i_pcr_dts );
487 static void TSDate ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
488 mtime_t i_pcr_length, mtime_t i_pcr_dts );
489 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
490 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
492 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, bool b_pcr );
493 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
495 static void PEStoTS ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
497 /*****************************************************************************
499 *****************************************************************************/
500 static int Open( vlc_object_t *p_this )
502 sout_mux_t *p_mux =(sout_mux_t*)p_this;
503 sout_mux_sys_t *p_sys = NULL;
507 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
509 p_sys = malloc( sizeof( sout_mux_sys_t ) );
512 p_sys->i_pmtslots = p_sys->b_sdt = 0;
513 p_sys->i_num_pmt = 1;
514 p_sys->dvbpmt = NULL;
515 memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
517 vlc_mutex_init( &p_sys->csa_lock );
519 p_mux->pf_control = Control;
520 p_mux->pf_addstream = AddStream;
521 p_mux->pf_delstream = DelStream;
523 p_mux->p_sys = p_sys;
525 srand( (uint32_t)mdate() );
526 for ( i = 0; i < MAX_PMT; i++ )
527 p_sys->sdt_descriptors[i].psz_service_name
528 = p_sys->sdt_descriptors[i].psz_provider = NULL;
529 memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
531 p_sys->i_audio_bound = 0;
532 p_sys->i_video_bound = 0;
534 var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
535 p_sys->b_es_id_pid = val.b_bool;
537 var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
539 fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
540 This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
542 if( val.psz_string != NULL && *val.psz_string )
545 char *psz = val.psz_string;
551 i_pid = strtoul( psz, &psz_next, 0 );
553 if ( strlen(psz_next) > 0 )
558 if ( p_sys->i_num_pmt > MAX_PMT )
561 "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
562 p_sys->i_num_pmt = MAX_PMT;
567 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
568 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
570 if ( p_sys->i_pmtslots > MAX_PMT_PID )
573 "Number of pids in PMT greater than compiled maximum (%d)",
575 p_sys->i_pmtslots = MAX_PMT_PID;
579 /* Now sort according to pids for fast search later on */
580 qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
581 sizeof(pmt_map_t), &pmtcompare );
586 free( val.psz_string );
588 p_sys->i_pat_version_number = rand() % 32;
589 p_sys->pat.i_pid = 0;
590 p_sys->pat.i_continuity_counter = 0;
591 p_sys->pat.b_discontinuity = false;
593 var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
595 p_sys->i_tsid = val.i_int;
597 p_sys->i_tsid = rand() % 65536;
599 p_sys->i_netid = rand() % 65536;
600 #ifdef HAVE_DVBPSI_SDT
601 var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
603 p_sys->i_netid = val.i_int;
606 p_sys->i_pmt_version_number = rand() % 32;
607 for( i = 0; i < p_sys->i_num_pmt; i++ )
609 p_sys->pmt[i].i_continuity_counter = 0;
610 p_sys->pmt[i].b_discontinuity = false;
613 p_sys->sdt.i_pid = 0x11;
614 p_sys->sdt.i_continuity_counter = 0;
615 p_sys->sdt.b_discontinuity = false;
617 #ifdef HAVE_DVBPSI_SDT
618 var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
619 p_sys->b_sdt = val.psz_string && *val.psz_string ? true : false;
621 /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
625 char *psz = val.psz_string;
626 char *psz_sdttoken = psz;
629 while ( psz_sdttoken != NULL )
631 char *psz_end = strchr( psz_sdttoken, ',' );
632 if( psz_end != NULL )
638 p_sys->sdt_descriptors[i/2].psz_provider
639 = strdup(psz_sdttoken);
643 p_sys->sdt_descriptors[i/2].psz_service_name
644 = strdup(psz_sdttoken);
648 psz_sdttoken = psz_end;
651 free( val.psz_string );
653 p_sys->b_sdt = false;
656 var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
657 p_sys->b_data_alignment = val.b_bool;
659 var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
660 if( val.psz_string && *val.psz_string )
663 char *psz = val.psz_string;
668 while ( psz != NULL )
670 i_pid = strtoul( psz, &psz_next, 0 );
671 if( strlen(psz_next) > 0 )
679 msg_Err( p_mux, "Number of PMTs > maximum (%d)",
684 p_sys->i_pmt_program_number[i] = i_pid;
691 /* Option not specified, use 1, 2, 3... */
692 for( i = 0; i < p_sys->i_num_pmt; i++ )
693 p_sys->i_pmt_program_number[i] = i + 1;
695 free( val.psz_string );
697 var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
700 for( i = 0; i < p_sys->i_num_pmt; i++ )
701 p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
705 for( i = 0; i < p_sys->i_num_pmt; i++ )
706 p_sys->pmt[i].i_pid = 0x42 + i;
709 p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
711 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
712 p_sys->i_pid_video = val.i_int;
713 if ( p_sys->i_pid_video > p_sys->i_pid_free )
715 p_sys->i_pid_free = p_sys->i_pid_video + 1;
718 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
719 p_sys->i_pid_audio = val.i_int;
720 if ( p_sys->i_pid_audio > p_sys->i_pid_free )
722 p_sys->i_pid_free = p_sys->i_pid_audio + 1;
725 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
726 p_sys->i_pid_spu = val.i_int;
727 if ( p_sys->i_pid_spu > p_sys->i_pid_free )
729 p_sys->i_pid_free = p_sys->i_pid_spu + 1;
732 p_sys->i_pcr_pid = 0x1fff;
733 p_sys->p_pcr_input = NULL;
735 p_sys->i_mpeg4_streams = 0;
737 p_sys->i_null_continuity_counter = 0;
739 /* Allow to create constrained stream */
740 var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
741 p_sys->i_bitrate_min = val.i_int;
743 var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
744 p_sys->i_bitrate_max = val.i_int;
746 if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
747 p_sys->i_bitrate_min > p_sys->i_bitrate_max )
749 msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
750 "disabling bitrate control" );
751 p_sys->i_bitrate_min = 0;
752 p_sys->i_bitrate_max = 0;
754 if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
756 msg_Err( p_mux, "bmin and bmax no more supported "
757 "(if you need them report it)" );
760 var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
761 p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
762 if( p_sys->i_shaping_delay <= 0 )
765 "invalid shaping (%"PRId64"ms) resetting to 200ms",
766 p_sys->i_shaping_delay / 1000 );
767 p_sys->i_shaping_delay = 200000;
770 var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
771 p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
772 if( p_sys->i_pcr_delay <= 0 ||
773 p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
776 "invalid pcr delay (%"PRId64"ms) resetting to 70ms",
777 p_sys->i_pcr_delay / 1000 );
778 p_sys->i_pcr_delay = 70000;
781 var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
782 p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
784 msg_Dbg( p_mux, "shaping=%"PRId64" pcr=%"PRId64" dts_delay=%"PRId64,
785 p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
787 var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
788 p_sys->b_use_key_frames = val.b_bool;
790 /* for TS generation */
794 var_Create( p_mux, SOUT_CFG_PREFIX "csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
795 var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
796 if( val.psz_string && *val.psz_string )
801 p_sys->csa = csa_New();
803 var_Create( p_mux, SOUT_CFG_PREFIX "csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
804 var_Get( p_mux, SOUT_CFG_PREFIX "csa2-ck", &csa2 );
805 i_res = csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, true );
806 if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string )
808 if( csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS )
810 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
813 else if( i_res == VLC_SUCCESS )
815 csa_SetCW( (vlc_object_t*)p_mux, p_sys->csa, val.psz_string, false );
819 csa_Delete( p_sys->csa );
825 vlc_value_t use_val, pkt_val;
827 var_Create( p_mux, SOUT_CFG_PREFIX "csa-use", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
828 var_Get( p_mux, SOUT_CFG_PREFIX "csa-use", &use_val );
829 var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
830 var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, (void *)1 );
831 var_AddCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
833 if ( var_Set( p_mux, SOUT_CFG_PREFIX "csa-use", use_val ) != VLC_SUCCESS )
835 var_SetString( p_mux, SOUT_CFG_PREFIX "csa-use", "odd" );
837 free( use_val.psz_string );
839 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
840 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
842 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
843 msg_Warn( p_mux, "using default packet size of 188 bytes" );
844 p_sys->i_csa_pkt_size = 188;
846 else p_sys->i_csa_pkt_size = pkt_val.i_int;
847 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
849 free( csa2.psz_string );
851 free( val.psz_string );
853 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
854 p_sys->b_crypt_audio = val.b_bool;
856 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
857 p_sys->b_crypt_video = val.b_bool;
862 /*****************************************************************************
864 *****************************************************************************/
865 static void Close( vlc_object_t * p_this )
867 sout_mux_t *p_mux = (sout_mux_t*)p_this;
868 sout_mux_sys_t *p_sys = p_mux->p_sys;
871 vlc_mutex_lock( &p_sys->csa_lock );
874 var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-ck", ChangeKeyCallback, NULL );
875 var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa2-ck", ChangeKeyCallback, NULL );
876 var_DelCallback( p_mux, SOUT_CFG_PREFIX "csa-use", ActiveKeyCallback, NULL );
877 csa_Delete( p_sys->csa );
880 vlc_mutex_unlock( &p_sys->csa_lock );
882 for( i = 0; i < MAX_PMT; i++ )
884 free( p_sys->sdt_descriptors[i].psz_service_name );
885 free( p_sys->sdt_descriptors[i].psz_provider );
888 vlc_mutex_destroy( &p_sys->csa_lock );
889 free( p_sys->dvbpmt );
893 /*****************************************************************************
894 * ChangeKeyCallback: called when changing the odd encryption key on the fly.
895 *****************************************************************************/
896 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
897 vlc_value_t oldval, vlc_value_t newval,
900 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
901 sout_mux_t *p_mux = (sout_mux_t*)p_this;
902 sout_mux_sys_t *p_sys = p_mux->p_sys;
905 vlc_mutex_lock( &p_sys->csa_lock );
906 ret = csa_SetCW( p_this, p_sys->csa, newval.psz_string,
907 !!(intptr_t)p_data );
908 vlc_mutex_unlock( &p_sys->csa_lock );
913 /*****************************************************************************
914 * ActiveKeyCallback: called when changing the active (in use) encryption key on the fly.
915 *****************************************************************************/
916 static int ActiveKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
917 vlc_value_t oldval, vlc_value_t newval,
920 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data);
921 sout_mux_t *p_mux = (sout_mux_t*)p_this;
922 sout_mux_sys_t *p_sys = p_mux->p_sys;
923 int i_res = VLC_EBADVAR;
925 vlc_mutex_lock( &p_sys->csa_lock );
926 if( !strcmp(newval.psz_string, "odd" ) || !strcmp(newval.psz_string, "first" ) || !strcmp(newval.psz_string, "1" ) )
928 i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 1 );
930 else if( !strcmp(newval.psz_string, "even" ) || !strcmp(newval.psz_string, "second" ) || !strcmp(newval.psz_string, "2" ) )
932 i_res = csa_UseKey( (vlc_object_t*)p_mux, p_sys->csa, 0 );
934 vlc_mutex_unlock( &p_sys->csa_lock );
939 /*****************************************************************************
941 *****************************************************************************/
942 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
950 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
951 pb_bool = (bool*)va_arg( args, bool * );
955 case MUX_GET_ADD_STREAM_WAIT:
956 pb_bool = (bool*)va_arg( args, bool * );
961 ppsz = (char**)va_arg( args, char ** );
962 *ppsz = strdup( "video/mpeg" ); /* FIXME not sure */
970 /*****************************************************************************
971 * AddStream: called for each stream addition
972 *****************************************************************************/
973 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
975 sout_mux_sys_t *p_sys = p_mux->p_sys;
976 ts_stream_t *p_stream;
979 p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
980 if( !p_input->p_sys )
983 /* Init this new stream */
984 if ( p_sys->b_es_id_pid )
985 p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
987 p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
988 p_stream->i_codec = p_input->p_fmt->i_codec;
989 p_stream->i_continuity_counter = 0;
990 p_stream->b_discontinuity = false;
991 p_stream->i_decoder_specific_info = 0;
992 p_stream->p_decoder_specific_info = NULL;
994 msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
995 (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
997 /* All others fields depand on codec */
998 switch( p_input->p_fmt->i_cat )
1001 switch( p_input->p_fmt->i_codec )
1003 case VLC_FOURCC( 'm', 'p','g', 'v' ):
1004 /* TODO: do we need to check MPEG-I/II ? */
1005 p_stream->i_stream_type = 0x02;
1006 p_stream->i_stream_id = 0xe0;
1008 case VLC_FOURCC( 'm', 'p','4', 'v' ):
1009 p_stream->i_stream_type = 0x10;
1010 p_stream->i_stream_id = 0xe0;
1011 p_stream->i_es_id = p_stream->i_pid;
1013 case VLC_FOURCC( 'h', '2','6', '4' ):
1014 p_stream->i_stream_type = 0x1b;
1015 p_stream->i_stream_id = 0xe0;
1017 /* XXX dirty dirty but somebody want that:
1018 * using crapy MS-codec XXX */
1019 /* I didn't want to do that :P */
1020 case VLC_FOURCC( 'H', '2', '6', '3' ):
1021 case VLC_FOURCC( 'I', '2', '6', '3' ):
1022 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
1023 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
1024 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
1025 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
1026 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
1027 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
1028 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
1029 p_stream->i_stream_type = 0xa0; /* private */
1030 p_stream->i_stream_id = 0xa0; /* beurk */
1031 p_stream->i_bih_codec = p_input->p_fmt->i_codec;
1032 p_stream->i_bih_width = p_input->p_fmt->video.i_width;
1033 p_stream->i_bih_height = p_input->p_fmt->video.i_height;
1037 return VLC_EGENERIC;
1039 p_sys->i_video_bound++;
1043 switch( p_input->p_fmt->i_codec )
1045 case VLC_FOURCC( 'm', 'p','g', 'a' ):
1046 case VLC_FOURCC( 'm', 'p', '3', ' ' ):
1047 p_stream->i_stream_type =
1048 p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
1049 p_stream->i_stream_id = 0xc0;
1051 case VLC_FOURCC( 'a', '5','2', ' ' ):
1052 p_stream->i_stream_type = 0x81;
1053 p_stream->i_stream_id = 0xbd;
1055 case VLC_FOURCC( 'l', 'p','c', 'm' ):
1056 p_stream->i_stream_type = 0x83;
1057 p_stream->i_stream_id = 0xbd;
1059 case VLC_FOURCC( 'd', 't','s', ' ' ):
1060 p_stream->i_stream_type = 0x06;
1061 p_stream->i_stream_id = 0xbd;
1063 case VLC_FOURCC( 'm', 'p','4', 'a' ):
1064 /* XXX: make that configurable in some way when LOAS
1065 * is implemented for AAC in TS */
1066 //p_stream->i_stream_type = 0x11; /* LOAS/LATM */
1067 p_stream->i_stream_type = 0x0f; /* ADTS */
1068 p_stream->i_stream_id = 0xfa;
1069 p_sys->i_mpeg4_streams++;
1070 p_stream->i_es_id = p_stream->i_pid;
1074 return VLC_EGENERIC;
1076 p_sys->i_audio_bound++;
1080 switch( p_input->p_fmt->i_codec )
1082 case VLC_FOURCC( 's', 'p','u', ' ' ):
1083 p_stream->i_stream_type = 0x82;
1084 p_stream->i_stream_id = 0xbd;
1086 case VLC_FOURCC( 's', 'u','b', 't' ):
1087 p_stream->i_stream_type = 0x12;
1088 p_stream->i_stream_id = 0xfa;
1089 p_sys->i_mpeg4_streams++;
1090 p_stream->i_es_id = p_stream->i_pid;
1092 case VLC_FOURCC('d','v','b','s'):
1093 p_stream->i_stream_type = 0x06;
1094 p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1095 p_stream->i_stream_id = 0xbd;
1097 case VLC_FOURCC('t','e','l','x'):
1098 p_stream->i_stream_type = 0x06;
1099 p_stream->i_stream_id = 0xbd; /* FIXME */
1103 return VLC_EGENERIC;
1109 return VLC_EGENERIC;
1112 p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1113 p_stream->lang = malloc(p_stream->i_langs*3);
1114 if( !p_stream->lang )
1116 p_stream->i_langs = 0;
1123 p_stream->lang[2] = '\0';
1124 if( p_input->p_fmt->psz_language )
1126 char *psz = p_input->p_fmt->psz_language;
1127 const iso639_lang_t *pl = NULL;
1129 if( strlen( psz ) == 2 )
1131 pl = GetLang_1( psz );
1133 else if( strlen( psz ) == 3 )
1135 pl = GetLang_2B( psz );
1136 if( !strcmp( pl->psz_iso639_1, "??" ) )
1138 pl = GetLang_2T( psz );
1141 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1143 p_stream->lang[0] = pl->psz_iso639_2T[0];
1144 p_stream->lang[1] = pl->psz_iso639_2T[1];
1145 p_stream->lang[2] = pl->psz_iso639_2T[2];
1147 msg_Dbg( p_mux, " - lang=%c%c%c",
1148 p_stream->lang[0], p_stream->lang[1],
1149 p_stream->lang[2] );
1152 while( i < p_stream->i_langs ) {
1153 if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1155 char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1156 const iso639_lang_t *pl = NULL;
1158 if( strlen( psz ) == 2 )
1160 pl = GetLang_1( psz );
1162 else if( strlen( psz ) == 3 )
1164 pl = GetLang_2B( psz );
1165 if( !strcmp( pl->psz_iso639_1, "??" ) )
1167 pl = GetLang_2T( psz );
1170 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1172 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1173 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1174 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1176 msg_Dbg( p_mux, " - lang=%c%c%c",
1177 p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1178 p_stream->lang[i*3+2] );
1184 /* Create decoder specific info for subt */
1185 if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1189 p_stream->i_decoder_specific_info = 55;
1190 p_stream->p_decoder_specific_info = p =
1191 malloc( p_stream->i_decoder_specific_info );
1194 p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
1195 p[1] = 0x00; /* flags: 1b: associated video info flag
1199 p[2] = 52; /* remaining size */
1203 p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
1204 *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
1205 *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
1207 p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1208 *p++ = 0xff; /* background a */
1210 p[0] = p[1] = 0; p += 2; /* text box top */
1211 p[0] = p[1] = 0; p += 2; /* text box left */
1212 p[0] = p[1] = 0; p += 2; /* text box bottom */
1213 p[0] = p[1] = 0; p += 2; /* text box right */
1215 p[0] = p[1] = 0; p += 2; /* start char */
1216 p[0] = p[1] = 0; p += 2; /* end char */
1217 p[0] = p[1] = 0; p += 2; /* default font id */
1219 *p++ = 0; /* font style flags */
1220 *p++ = 12; /* font size */
1222 p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1223 *p++ = 0x00; /* foreground a */
1225 p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1226 memcpy( p, "ftab", 4 ); p += 4;
1227 *p++ = 0; *p++ = 1; /* entry count */
1228 p[0] = p[1] = 0; p += 2; /* font id */
1229 *p++ = 9; /* font name length */
1230 memcpy( p, "Helvetica", 9 ); /* font name */
1232 else p_stream->i_decoder_specific_info = 0;
1236 /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1237 p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1238 if( p_stream->i_decoder_specific_info > 0 )
1240 p_stream->p_decoder_specific_info =
1241 malloc( p_stream->i_decoder_specific_info );
1242 if( p_stream->p_decoder_specific_info )
1244 memcpy( p_stream->p_decoder_specific_info,
1245 p_input->p_fmt->p_extra,
1246 p_input->p_fmt->i_extra );
1248 else p_stream->i_decoder_specific_info = 0;
1252 /* Init pes chain */
1253 BufferChainInit( &p_stream->chain_pes );
1254 p_stream->i_pes_dts = 0;
1255 p_stream->i_pes_length = 0;
1256 p_stream->i_pes_used = 0;
1257 p_stream->b_key_frame = 0;
1259 /* We only change PMT version (PAT isn't changed) */
1260 p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1262 /* Update pcr_pid */
1263 if( p_input->p_fmt->i_cat != SPU_ES &&
1264 ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1266 if( p_sys->p_pcr_input )
1268 /* There was already a PCR stream, so clean context */
1271 p_sys->i_pcr_pid = p_stream->i_pid;
1272 p_sys->p_pcr_input = p_input;
1274 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1280 /*****************************************************************************
1281 * DelStream: called before a stream deletion
1282 *****************************************************************************/
1283 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1285 sout_mux_sys_t *p_sys = p_mux->p_sys;
1286 ts_stream_t *p_stream;
1289 p_stream = (ts_stream_t*)p_input->p_sys;
1290 msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1292 if( p_sys->i_pcr_pid == p_stream->i_pid )
1296 /* Find a new pcr stream (Prefer Video Stream) */
1297 p_sys->i_pcr_pid = 0x1fff;
1298 p_sys->p_pcr_input = NULL;
1299 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1301 if( p_mux->pp_inputs[i] == p_input )
1306 if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1309 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1310 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1313 else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1314 p_sys->i_pcr_pid == 0x1fff )
1317 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1318 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1321 if( p_sys->p_pcr_input )
1323 /* Empty TS buffer */
1326 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1329 /* Empty all data in chain_pes */
1330 BufferChainClean( &p_stream->chain_pes );
1332 free(p_stream->lang);
1333 free( p_stream->p_decoder_specific_info );
1334 if( p_stream->i_stream_id == 0xfa ||
1335 p_stream->i_stream_id == 0xfb ||
1336 p_stream->i_stream_id == 0xfe )
1338 p_sys->i_mpeg4_streams--;
1341 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1344 int i_pid_video = val.i_int;
1345 if ( i_pid_video == p_stream->i_pid )
1347 p_sys->i_pid_video = i_pid_video;
1348 msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1351 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1354 int i_pid_audio = val.i_int;
1355 if ( i_pid_audio == p_stream->i_pid )
1357 p_sys->i_pid_audio = i_pid_audio;
1358 msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1361 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1364 int i_pid_spu = val.i_int;
1365 if ( i_pid_spu == p_stream->i_pid )
1367 p_sys->i_pid_spu = i_pid_spu;
1368 msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1373 /* We only change PMT version (PAT isn't changed) */
1374 p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1379 /*****************************************************************************
1380 * Mux: Call each time there is new data for at least one stream
1381 *****************************************************************************
1383 *****************************************************************************/
1384 static int Mux( sout_mux_t *p_mux )
1386 sout_mux_sys_t *p_sys = p_mux->p_sys;
1387 ts_stream_t *p_pcr_stream;
1389 if( p_sys->i_pcr_pid == 0x1fff )
1392 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1394 block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1396 msg_Dbg( p_mux, "waiting for PCR streams" );
1400 p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1404 sout_buffer_chain_t chain_ts;
1408 mtime_t i_pcr_length;
1409 mtime_t i_shaping_delay;
1412 if( p_pcr_stream->b_key_frame )
1414 i_shaping_delay = p_pcr_stream->i_pes_length;
1418 i_shaping_delay = p_sys->i_shaping_delay;
1421 /* 1: get enough PES packet for all input */
1427 /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1428 /* Accumulate enough data in all other stream ( >= length of pcr)*/
1429 for( i = -1; i < p_mux->i_nb_inputs; i++ )
1431 sout_input_t *p_input;
1432 ts_stream_t *p_stream;
1433 int64_t i_spu_delay = 0;
1436 p_input = p_sys->p_pcr_input;
1437 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1440 p_input = p_mux->pp_inputs[i];
1441 p_stream = (ts_stream_t*)p_input->p_sys;
1443 if( ( ( p_stream == p_pcr_stream ) &&
1444 ( p_stream->i_pes_length < i_shaping_delay ) ) ||
1445 ( p_stream->i_pes_dts + p_stream->i_pes_length <
1446 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) )
1448 /* Need more data */
1449 if( block_FifoCount( p_input->p_fifo ) <= 1 )
1451 if( ( p_input->p_fmt->i_cat == AUDIO_ES ) ||
1452 ( p_input->p_fmt->i_cat == VIDEO_ES ) )
1454 /* We need more data */
1457 else if( block_FifoCount( p_input->p_fifo ) <= 0 )
1459 /* spu, only one packet is needed */
1462 else if( p_input->p_fmt->i_cat == SPU_ES )
1464 /* Don't mux the SPU yet if it is too early */
1465 block_t *p_spu = block_FifoShow( p_input->p_fifo );
1468 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1470 if( ( i_spu_delay > i_shaping_delay ) &&
1471 ( i_spu_delay < INT64_C(100000000) ) )
1474 if ( ( i_spu_delay >= INT64_C(100000000) ) ||
1475 ( i_spu_delay < INT64_C(10000) ) )
1477 BufferChainClean( &p_stream->chain_pes );
1478 p_stream->i_pes_dts = 0;
1479 p_stream->i_pes_used = 0;
1480 p_stream->i_pes_length = 0;
1487 if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1488 || p_input->p_fmt->i_codec !=
1489 VLC_FOURCC('m', 'p', 'g', 'a') )
1491 p_data = block_FifoGet( p_input->p_fifo );
1493 if( p_input->p_fmt->i_codec ==
1494 VLC_FOURCC('m', 'p', '4', 'a' ) )
1495 p_data = Add_ADTS( p_data, p_input->p_fmt );
1498 p_data = FixPES( p_mux, p_input->p_fifo );
1500 if( block_FifoCount( p_input->p_fifo ) > 0 &&
1501 p_input->p_fmt->i_cat != SPU_ES )
1503 block_t *p_next = block_FifoShow( p_input->p_fifo );
1504 p_data->i_length = p_next->i_dts - p_data->i_dts;
1506 else if( p_input->p_fmt->i_codec !=
1507 VLC_FOURCC('s', 'u', 'b', 't' ) )
1508 p_data->i_length = 1000;
1510 if( ( p_pcr_stream->i_pes_dts > 0 &&
1511 p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1512 p_pcr_stream->i_pes_length ) ||
1513 p_data->i_dts < p_stream->i_pes_dts ||
1514 ( p_stream->i_pes_dts > 0 &&
1515 p_input->p_fmt->i_cat != SPU_ES &&
1516 p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1517 p_stream->i_pes_length ) )
1519 msg_Warn( p_mux, "packet with too strange dts "
1520 "(dts=%"PRId64",old=%"PRId64",pcr=%"PRId64")",
1521 p_data->i_dts, p_stream->i_pes_dts,
1522 p_pcr_stream->i_pes_dts );
1523 block_Release( p_data );
1525 BufferChainClean( &p_stream->chain_pes );
1526 p_stream->i_pes_dts = 0;
1527 p_stream->i_pes_used = 0;
1528 p_stream->i_pes_length = 0;
1530 if( p_input->p_fmt->i_cat != SPU_ES )
1532 BufferChainClean( &p_pcr_stream->chain_pes );
1533 p_pcr_stream->i_pes_dts = 0;
1534 p_pcr_stream->i_pes_used = 0;
1535 p_pcr_stream->i_pes_length = 0;
1540 int i_header_size = 0;
1541 int b_data_alignment = 0;
1542 if( p_input->p_fmt->i_cat == SPU_ES )
1544 if( p_input->p_fmt->i_codec ==
1545 VLC_FOURCC('s','u','b','t') )
1547 /* Prepend header */
1548 p_data = block_Realloc( p_data, 2,
1550 p_data->p_buffer[0] =
1551 ( (p_data->i_buffer - 2) >> 8) & 0xff;
1552 p_data->p_buffer[1] =
1553 ( (p_data->i_buffer - 2) ) & 0xff;
1555 /* remove trailling \0 if any */
1556 if( p_data->i_buffer > 2 &&
1557 p_data->p_buffer[p_data->i_buffer -1] ==
1561 /* Append a empty sub (sub text only) */
1562 if( p_data->i_length > 0 &&
1563 !( p_data->i_buffer == 1 &&
1564 *p_data->p_buffer == ' ' ) )
1566 block_t *p_spu = block_New( p_mux, 3 );
1568 p_spu->i_dts = p_spu->i_pts =
1569 p_data->i_dts + p_data->i_length;
1570 p_spu->i_length = 1000;
1572 p_spu->p_buffer[0] = 0;
1573 p_spu->p_buffer[1] = 1;
1574 p_spu->p_buffer[2] = ' ';
1576 EStoPES( p_mux->p_sout, &p_spu, p_spu,
1578 p_stream->i_stream_id, 1,
1580 p_data->p_next = p_spu;
1583 else if( p_input->p_fmt->i_codec ==
1584 VLC_FOURCC('t','e','l','x') )
1587 i_header_size = 0x24;
1588 b_data_alignment = 1;
1590 else if( p_input->p_fmt->i_codec ==
1591 VLC_FOURCC('d','v','b','s') )
1594 b_data_alignment = 1;
1597 else if( p_data->i_length < 0 ||
1598 p_data->i_length > 2000000 )
1600 /* FIXME choose a better value, but anyway we
1601 * should never have to do that */
1602 p_data->i_length = 1000;
1605 p_stream->i_pes_length += p_data->i_length;
1606 if( p_stream->i_pes_dts == 0 )
1608 p_stream->i_pes_dts = p_data->i_dts;
1611 /* Convert to pes */
1612 if( p_stream->i_stream_id == 0xa0 &&
1613 p_data->i_pts <= 0 )
1615 /* XXX yes I know, it's awful, but it's needed,
1616 * so don't remove it ... */
1617 p_data->i_pts = p_data->i_dts;
1620 EStoPES ( p_mux->p_sout, &p_data, p_data,
1621 p_input->p_fmt, p_stream->i_stream_id,
1622 1, b_data_alignment, i_header_size, 0 );
1624 BufferChainAppend( &p_stream->chain_pes, p_data );
1626 if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1627 && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1628 && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1629 && (p_stream->i_pes_length > 400000) )
1631 i_shaping_delay = p_stream->i_pes_length;
1632 p_stream->b_key_frame = 1;
1645 i_pcr_dts = p_pcr_stream->i_pes_dts;
1646 i_pcr_length = p_pcr_stream->i_pes_length;
1647 p_pcr_stream->b_key_frame = 0;
1649 /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1650 /* 2: calculate non accurate total size of muxed ts */
1652 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1654 ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1657 /* False for pcr stream but it will be enough to do PCR algo */
1658 for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1659 p_pes = p_pes->p_next )
1661 int i_size = p_pes->i_buffer;
1662 if( p_pes->i_dts + p_pes->i_length >
1663 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1665 mtime_t i_frag = p_pcr_stream->i_pes_dts +
1666 p_pcr_stream->i_pes_length - p_pes->i_dts;
1672 i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1674 i_packet_count += ( i_size + 183 ) / 184;
1677 /* add overhead for PCR (not really exact) */
1678 i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1680 /* 3: mux PES into TS */
1681 BufferChainInit( &chain_ts );
1682 /* append PAT/PMT -> FIXME with big pcr delay it won't have enough pat/pmt */
1683 GetPAT( p_mux, &chain_ts );
1684 GetPMT( p_mux, &chain_ts );
1686 i_packet_count += chain_ts.i_depth;
1687 /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1693 ts_stream_t *p_stream;
1694 sout_input_t *p_input;
1698 /* Select stream (lowest dts) */
1699 for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1701 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1703 if( p_stream->i_pes_dts == 0 )
1708 if( i_stream == -1 ||
1709 p_stream->i_pes_dts < i_dts )
1712 i_dts = p_stream->i_pes_dts;
1715 if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1719 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1720 p_input = p_mux->pp_inputs[i_stream];
1722 /* do we need to issue pcr */
1724 if( p_stream == p_pcr_stream &&
1725 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1726 p_sys->i_pcr + p_sys->i_pcr_delay )
1729 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1730 i_pcr_length / i_packet_count;
1733 /* Build the TS packet */
1734 p_ts = TSNew( p_mux, p_stream, b_pcr );
1735 if( p_sys->csa != NULL &&
1736 (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1737 (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1739 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1744 BufferChainAppend( &chain_ts, p_ts );
1747 /* 4: date and send */
1748 TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1752 #define STD_PES_PAYLOAD 170
1753 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1758 p_data = block_FifoShow( p_fifo );
1759 i_size = p_data->i_buffer;
1761 if( i_size == STD_PES_PAYLOAD )
1763 return block_FifoGet( p_fifo );
1765 else if( i_size > STD_PES_PAYLOAD )
1767 block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1768 vlc_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1769 p_new->i_pts = p_data->i_pts;
1770 p_new->i_dts = p_data->i_dts;
1771 p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1773 p_data->i_buffer -= STD_PES_PAYLOAD;
1774 p_data->p_buffer += STD_PES_PAYLOAD;
1775 p_data->i_pts += p_new->i_length;
1776 p_data->i_dts += p_new->i_length;
1777 p_data->i_length -= p_new->i_length;
1778 p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1786 p_data = block_FifoGet( p_fifo );
1787 p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1788 p_next = block_FifoShow( p_fifo );
1789 if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1791 p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1792 p_data->i_pts = p_next->i_pts;
1793 p_data->i_dts = p_next->i_dts;
1795 i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1797 vlc_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer, i_copy );
1798 p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1799 p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1800 p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1801 p_next->i_buffer -= i_copy;
1802 p_next->p_buffer += i_copy;
1803 p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1805 if( !p_next->i_buffer )
1807 p_next = block_FifoGet( p_fifo );
1808 block_Release( p_next );
1814 static block_t *Add_ADTS( block_t *p_data, es_format_t *p_fmt )
1816 uint8_t *p_extra = p_fmt->p_extra;
1818 if( !p_data || p_fmt->i_extra < 2 || !p_extra )
1819 return p_data; /* no data to construct the headers */
1821 int i_index = ( (p_extra[0] << 1) | (p_extra[1] >> 7) ) & 0x0f;
1822 int i_profile = (p_extra[0] >> 3) - 1; /* i_profile < 4 */
1824 if( i_index == 0x0f && p_fmt->i_extra < 5 )
1825 return p_data; /* not enough data */
1827 int i_channels = (p_extra[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
1829 #define ADTS_HEADER_SIZE 7 /* CRC needs 2 more bytes */
1832 /* keep a copy in case block_Realloc() fails */
1833 block_t *p_bak_block = block_Duplicate( p_data );
1834 if( !p_bak_block ) /* OOM, block_Realloc() is likely to lose our block */
1835 return p_data; /* the frame isn't correct but that's the best we have */
1837 block_t *p_new_block = block_Realloc( p_data, ADTS_HEADER_SIZE,
1840 return p_bak_block; /* OOM, send the (incorrect) original frame */
1842 block_Release( p_bak_block ); /* we don't need the copy anymore */
1845 uint8_t *p_buffer = p_new_block->p_buffer;
1849 p_buffer[1] = 0xf1; /* 0xf0 | 0x00 | 0x00 | 0x01 */
1850 p_buffer[2] = (i_profile << 6) | ((i_index & 0x0f) << 2) | ((i_channels >> 2) & 0x01) ;
1851 p_buffer[3] = (i_channels << 6) | ((p_data->i_buffer >> 11) & 0x03);
1853 /* variable header (starts at last 2 bits of 4th byte) */
1855 int i_fullness = 0x7ff; /* 0x7ff means VBR */
1856 /* XXX: We should check if it's CBR or VBR, but no known implementation
1857 * do that, and it's a pain to calculate this field */
1859 p_buffer[4] = p_data->i_buffer >> 3;
1860 p_buffer[5] = ((p_data->i_buffer & 0x07) << 5) | ((i_fullness >> 6) & 0x1f);
1861 p_buffer[6] = ((i_fullness & 0x3f) << 2) /* | 0xfc */;
1866 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1867 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1869 sout_mux_sys_t *p_sys = p_mux->p_sys;
1870 sout_buffer_chain_t new_chain;
1871 int i_packet_count = p_chain_ts->i_depth;
1874 BufferChainInit( &new_chain );
1876 if ( i_pcr_length <= 0 )
1878 i_pcr_length = i_packet_count;
1881 for( i = 0; i < i_packet_count; i++ )
1883 block_t *p_ts = BufferChainGet( p_chain_ts );
1884 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1886 BufferChainAppend( &new_chain, p_ts );
1889 p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1891 mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1892 mtime_t i_cut_dts = p_ts->i_dts;
1894 p_ts = BufferChainPeek( p_chain_ts );
1896 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1897 while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1899 p_ts = BufferChainGet( p_chain_ts );
1900 i_max_diff = i_new_dts - p_ts->i_dts;
1901 i_cut_dts = p_ts->i_dts;
1902 BufferChainAppend( &new_chain, p_ts );
1904 p_ts = BufferChainPeek( p_chain_ts );
1906 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1908 msg_Dbg( p_mux, "adjusting rate at %"PRId64"/%"PRId64" (%d/%d)",
1909 i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1910 p_chain_ts->i_depth );
1911 if ( new_chain.i_depth )
1912 TSDate( p_mux, &new_chain,
1913 i_cut_dts - i_pcr_dts,
1915 if ( p_chain_ts->i_depth )
1917 p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1923 if ( new_chain.i_depth )
1924 TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1927 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1928 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1930 sout_mux_sys_t *p_sys = p_mux->p_sys;
1931 int i_packet_count = p_chain_ts->i_depth;
1934 if ( i_pcr_length / 1000 > 0 )
1936 int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1937 / (uint64_t)(i_pcr_length / 1000);
1938 if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1940 msg_Warn( p_mux, "max bitrate exceeded at %"PRId64
1941 " (%d bi/s for %d pkt in %"PRId64" us)",
1942 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1943 i_bitrate, i_packet_count, i_pcr_length);
1948 msg_Dbg( p_mux, "starting at %"PRId64
1949 " (%d bi/s for %d packets in %"PRId64" us)",
1950 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1951 i_bitrate, i_packet_count, i_pcr_length);
1957 /* This shouldn't happen, but happens in some rare heavy load
1958 * and packet losses conditions. */
1959 i_pcr_length = i_packet_count;
1962 /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1963 for( i = 0; i < i_packet_count; i++ )
1965 block_t *p_ts = BufferChainGet( p_chain_ts );
1966 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1968 p_ts->i_dts = i_new_dts;
1969 p_ts->i_length = i_pcr_length / i_packet_count;
1971 if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1973 /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1974 TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1976 if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1978 vlc_mutex_lock( &p_sys->csa_lock );
1979 csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size );
1980 vlc_mutex_unlock( &p_sys->csa_lock );
1984 p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1986 sout_AccessOutWrite( p_mux->p_access, p_ts );
1990 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1993 block_t *p_pes = p_stream->chain_pes.p_first;
1996 bool b_new_pes = false;
1997 bool b_adaptation_field = false;
1999 int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
2002 if( p_stream->i_pes_used <= 0 )
2006 i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
2009 if( b_pcr || i_payload < i_payload_max )
2011 b_adaptation_field = true;
2014 p_ts = block_New( p_mux, 188 );
2015 p_ts->i_dts = p_pes->i_dts;
2017 p_ts->p_buffer[0] = 0x47;
2018 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
2019 ( ( p_stream->i_pid >> 8 )&0x1f );
2020 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2021 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
2022 p_stream->i_continuity_counter;
2024 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2025 p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
2027 if( b_adaptation_field )
2033 int i_stuffing = i_payload_max - i_payload;
2035 p_ts->i_flags |= BLOCK_FLAG_CLOCK;
2037 p_ts->p_buffer[4] = 7 + i_stuffing;
2038 p_ts->p_buffer[5] = 0x10; /* flags */
2039 if( p_stream->b_discontinuity )
2041 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
2042 p_stream->b_discontinuity = false;
2044 p_ts->p_buffer[6] = ( 0 )&0xff;
2045 p_ts->p_buffer[7] = ( 0 )&0xff;
2046 p_ts->p_buffer[8] = ( 0 )&0xff;
2047 p_ts->p_buffer[9] = ( 0 )&0xff;
2048 p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
2049 p_ts->p_buffer[11]= 0;
2051 for( i = 12; i < 12 + i_stuffing; i++ )
2053 p_ts->p_buffer[i] = 0xff;
2058 int i_stuffing = i_payload_max - i_payload;
2060 p_ts->p_buffer[4] = i_stuffing - 1;
2061 if( i_stuffing > 1 )
2063 p_ts->p_buffer[5] = 0x00;
2064 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2066 p_ts->p_buffer[i] = 0xff;
2073 memcpy( &p_ts->p_buffer[188 - i_payload],
2074 &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
2076 p_stream->i_pes_used += i_payload;
2077 p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
2078 p_stream->i_pes_used / p_pes->i_buffer;
2079 p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
2081 if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
2083 p_pes = BufferChainGet( &p_stream->chain_pes );
2084 block_Release( p_pes );
2086 p_pes = p_stream->chain_pes.p_first;
2089 p_stream->i_pes_dts = p_pes->i_dts;
2090 p_stream->i_pes_length = 0;
2093 p_stream->i_pes_length += p_pes->i_length;
2095 p_pes = p_pes->p_next;
2100 p_stream->i_pes_dts = 0;
2101 p_stream->i_pes_length = 0;
2103 p_stream->i_pes_used = 0;
2109 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
2111 mtime_t i_pcr = 9 * i_dts / 100;
2113 p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
2114 p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
2115 p_ts->p_buffer[8] = ( i_pcr >> 9 )&0xff;
2116 p_ts->p_buffer[9] = ( i_pcr >> 1 )&0xff;
2117 p_ts->p_buffer[10]|= ( i_pcr << 7 )&0x80;
2121 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
2122 mtime_t i_length, int i_bitrate_min,
2125 sout_mux_sys_t *p_sys = p_mux->p_sys;
2126 sout_buffer_chain_t s = *c;
2129 int i_packets_min = 0;
2130 int i_packets_max = 0;
2137 i_packets = c->i_depth;
2138 i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000 + 187 ) / 188;
2139 i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000 + 187 ) / 188;
2141 if( i_packets < i_packets_min && i_packets_min > 0 )
2144 int i_div = ( i_packets_min - i_packets ) / i_packets;
2145 int i_mod = ( i_packets_min - i_packets ) % i_packets;
2148 /* We need to pad with null packets (pid=0x1fff)
2149 * We try to melt null packets with true packets */
2151 "packets=%d but min=%d -> adding %d packets of padding",
2152 i_packets, i_packets_min, i_packets_min - i_packets );
2154 BufferChainInit( c );
2155 while( ( p_pk = BufferChainGet( &s ) ) )
2159 BufferChainAppend( c, p_pk );
2161 i_null = i_div + ( i_rest + i_mod ) / i_packets;
2163 for( i = 0; i < i_null; i++ )
2167 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2168 p_null->p_buffer[0] = 0x47;
2169 p_null->p_buffer[1] = 0x1f;
2170 p_null->p_buffer[2] = 0xff;
2171 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2172 memset( &p_null->p_buffer[4], 0, 184 );
2173 p_sys->i_null_continuity_counter =
2174 ( p_sys->i_null_continuity_counter + 1 ) % 16;
2176 BufferChainAppend( c, p_null );
2179 i_rest = ( i_rest + i_mod ) % i_packets;
2182 else if( i_packets > i_packets_max && i_packets_max > 0 )
2187 /* Arg, we need to drop packets, I don't do something clever (like
2188 * dropping complete pid, b frames, ... ), I just get the right amount
2189 * of packets and discard the others */
2191 "packets=%d but max=%d -> removing %d packets -> stream broken",
2192 i_packets, i_packets_max, i_packets - i_packets_max );
2194 BufferChainInit( c );
2195 for( i = 0; i < i_packets_max; i++ )
2197 BufferChainAppend( c, BufferChainGet( &s ) );
2200 while( ( p_pk = BufferChainGet( &s ) ) )
2202 sout_BufferDelete( p_mux->p_sout, p_pk );
2208 static void PEStoTS( sout_instance_t *p_sout,
2209 sout_buffer_chain_t *c, block_t *p_pes,
2210 ts_stream_t *p_stream )
2216 /* get PES total size */
2217 i_size = p_pes->i_buffer;
2218 p_data = p_pes->p_buffer;
2224 int b_adaptation_field;
2228 p_ts = block_New( p_sout, 188 );
2231 * 1b transport_error_indicator
2232 * 1b payload_unit_start
2233 * 1b transport_priority
2235 * 2b transport_scrambling_control
2236 * 2b if adaptation_field 0x03 else 0x01
2237 * 4b continuity_counter
2240 i_copy = __MIN( i_size, 184 );
2241 b_adaptation_field = i_size < 184 ? true : false;
2243 p_ts->p_buffer[0] = 0x47;
2244 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2245 ( ( p_stream->i_pid >> 8 )&0x1f );
2246 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2247 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2248 p_stream->i_continuity_counter;
2251 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2253 if( b_adaptation_field )
2255 int i_stuffing = 184 - i_copy;
2258 p_ts->p_buffer[4] = i_stuffing - 1;
2259 if( i_stuffing > 1 )
2261 p_ts->p_buffer[5] = 0x00;
2262 if( p_stream->b_discontinuity )
2264 p_ts->p_buffer[5] |= 0x80;
2265 p_stream->b_discontinuity = false;
2267 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2269 p_ts->p_buffer[i] = 0xff;
2274 memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2278 BufferChainAppend( c, p_ts );
2282 block_t *p_next = p_pes->p_next;
2284 p_pes->p_next = NULL;
2285 block_Release( p_pes );
2286 if( p_next == NULL )
2292 i_size = p_pes->i_buffer;
2293 p_data = p_pes->p_buffer;
2300 static block_t *WritePSISection( sout_instance_t *p_sout,
2301 dvbpsi_psi_section_t* p_section )
2303 block_t *p_psi, *p_first = NULL;
2309 i_size = (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2310 ( p_section->b_syntax_indicator ? 4 : 0 );
2312 p_psi = block_New( p_sout, i_size + 1 );
2315 p_psi->i_length = 0;
2316 p_psi->i_buffer = i_size + 1;
2318 p_psi->p_buffer[0] = 0; /* pointer */
2319 memcpy( p_psi->p_buffer + 1,
2323 block_ChainAppend( &p_first, p_psi );
2325 p_section = p_section->p_next;
2331 static void GetPAT( sout_mux_t *p_mux,
2332 sout_buffer_chain_t *c )
2334 sout_mux_sys_t *p_sys = p_mux->p_sys;
2337 dvbpsi_psi_section_t *p_section;
2340 dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2341 1 ); /* b_current_next */
2342 /* add all programs */
2343 for ( i = 0; i < p_sys->i_num_pmt; i++ )
2344 dvbpsi_PATAddProgram( &pat,
2345 p_sys->i_pmt_program_number[i],
2346 p_sys->pmt[i].i_pid );
2348 p_section = dvbpsi_GenPATSections( &pat,
2349 0 ); /* max program per section */
2351 p_pat = WritePSISection( p_mux->p_sout, p_section );
2353 PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2355 dvbpsi_DeletePSISections( p_section );
2356 dvbpsi_EmptyPAT( &pat );
2359 static uint32_t GetDescriptorLength24b( int i_length )
2361 uint32_t i_l1, i_l2, i_l3;
2363 i_l1 = i_length&0x7f;
2364 i_l2 = ( i_length >> 7 )&0x7f;
2365 i_l3 = ( i_length >> 14 )&0x7f;
2367 return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2370 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2372 sout_mux_sys_t *p_sys = p_mux->p_sys;
2373 block_t *p_pmt[MAX_PMT];
2375 dvbpsi_pmt_es_t *p_es;
2376 dvbpsi_psi_section_t *p_section[MAX_PMT];
2381 int *p_usepid = NULL;
2383 #ifdef HAVE_DVBPSI_SDT
2387 dvbpsi_psi_section_t* p_section2;
2388 dvbpsi_sdt_service_t *p_service;
2390 uint8_t *psz_sdt_desc;
2393 if( p_sys->dvbpmt == NULL )
2395 p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2396 if( !p_sys->dvbpmt )
2401 #ifdef HAVE_DVBPSI_SDT
2403 dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2406 for( i = 0; i < p_sys->i_num_pmt; i++ )
2408 dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2409 p_sys->i_pmt_program_number[i], /* program number */
2410 p_sys->i_pmt_version_number,
2411 1, /* b_current_next */
2414 #ifdef HAVE_DVBPSI_SDT
2417 p_service = dvbpsi_SDTAddService( &sdt,
2418 p_sys->i_pmt_program_number[i], /* service id */
2419 0, /* eit schedule */
2420 0, /* eit present */
2421 4, /* running status ("4=RUNNING") */
2424 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2425 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2427 /* FIXME: Ineffecient malloc's & ugly code...... */
2428 if( ( psz_sdtprov != NULL ) && ( psz_sdtserv != NULL ) )
2430 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2431 + strlen(psz_sdtserv) );
2434 psz_sdt_desc[0] = 0x01; /* digital television service */
2436 /* service provider name length */
2437 psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2438 memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2440 /* service name length */
2441 psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2442 = (char)strlen(psz_sdtserv);
2443 memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2444 strlen(psz_sdtserv) );
2446 dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2447 3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2448 (uint8_t *)psz_sdt_desc );
2449 free( psz_sdt_desc );
2450 psz_sdt_desc = NULL;
2459 if( p_sys->i_mpeg4_streams > 0 )
2463 bits_buffer_t bits_fix_IOD;
2465 /* Make valgrind happy : it works at byte level not bit one so
2466 * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2467 * working (needed when fixing some bits) */
2468 memset( iod, 0, 4096 );
2470 bits_initwrite( &bits, 4096, iod );
2471 /* IOD_label_scope */
2472 bits_write( &bits, 8, 0x11 );
2474 bits_write( &bits, 8, 0x01 );
2475 /* InitialObjectDescriptor */
2476 bits_align( &bits );
2477 bits_write( &bits, 8, 0x02 ); /* tag */
2478 bits_fix_IOD = bits; /* save states to fix length later */
2479 bits_write( &bits, 24,
2480 GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
2481 bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
2482 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2483 bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
2484 bits_write( &bits, 4, 0x0f ); /* reserved */
2485 bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
2486 bits_write( &bits, 8, 0xff ); /* sceneProfile */
2487 bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
2488 bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
2489 bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
2490 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2492 ts_stream_t *p_stream;
2493 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2495 if( p_stream->i_stream_id == 0xfa ||
2496 p_stream->i_stream_id == 0xfb ||
2497 p_stream->i_stream_id == 0xfe )
2499 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2501 bits_align( &bits );
2502 bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
2503 bits_fix_ESDescr = bits;
2504 bits_write( &bits, 24,
2505 GetDescriptorLength24b( 0 ) ); /* variable size */
2506 bits_write( &bits, 16, p_stream->i_es_id );
2507 bits_write( &bits, 1, 0x00 ); /* streamDependency */
2508 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2509 bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
2510 bits_write( &bits, 5, 0x1f ); /* streamPriority */
2512 /* DecoderConfigDesciptor */
2513 bits_align( &bits );
2514 bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
2515 bits_fix_Decoder = bits;
2516 bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
2517 if( p_stream->i_stream_type == 0x10 )
2519 bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
2520 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2522 else if( p_stream->i_stream_type == 0x1b )
2524 bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
2525 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2527 else if( p_stream->i_stream_type == 0x11 ||
2528 p_stream->i_stream_type == 0x0f )
2530 bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
2531 bits_write( &bits, 6, 0x05 ); /* AudioStream */
2533 else if( p_stream->i_stream_type == 0x12 &&
2534 p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2536 bits_write( &bits, 8, 0x0B ); /* Text Stream */
2537 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2541 bits_write( &bits, 8, 0x00 );
2542 bits_write( &bits, 6, 0x00 );
2544 msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2547 bits_write( &bits, 1, 0x00 ); /* UpStream */
2548 bits_write( &bits, 1, 0x01 ); /* reserved */
2549 bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
2550 bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
2551 bits_write( &bits, 32, 0 ); /* avgBitrate */
2553 if( p_stream->i_decoder_specific_info > 0 )
2556 /* DecoderSpecificInfo */
2557 bits_align( &bits );
2558 bits_write( &bits, 8, 0x05 ); /* tag */
2559 bits_write( &bits, 24, GetDescriptorLength24b(
2560 p_stream->i_decoder_specific_info ) );
2561 for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2563 bits_write( &bits, 8,
2564 ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2567 /* fix Decoder length */
2568 bits_write( &bits_fix_Decoder, 24,
2569 GetDescriptorLength24b( bits.i_data -
2570 bits_fix_Decoder.i_data - 3 ) );
2572 /* SLConfigDescriptor : predefined (0x01) */
2573 bits_align( &bits );
2574 bits_write( &bits, 8, 0x06 ); /* tag */
2575 bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
2576 bits_write( &bits, 8, 0x01 );/* predefined */
2577 bits_write( &bits, 1, 0 ); /* durationFlag */
2578 bits_write( &bits, 32, 0 ); /* OCRResolution */
2579 bits_write( &bits, 8, 0 ); /* OCRLength */
2580 bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
2581 bits_align( &bits );
2583 /* fix ESDescr length */
2584 bits_write( &bits_fix_ESDescr, 24,
2585 GetDescriptorLength24b( bits.i_data -
2586 bits_fix_ESDescr.i_data - 3 ) );
2589 bits_align( &bits );
2590 /* fix IOD length */
2591 bits_write( &bits_fix_IOD, 24,
2592 GetDescriptorLength24b( bits.i_data -
2593 bits_fix_IOD.i_data - 3 ) );
2595 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2596 i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2597 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2598 sizeof(pmt_map_t), intcompare );
2599 p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2600 sizeof(pmt_map_t), pmtcompare );
2601 if( p_usepid != NULL )
2602 dvbpsi_PMTAddDescriptor(
2603 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2604 bits.i_data, bits.p_data );
2606 msg_Err( p_mux, "Received an unmapped PID" );
2608 dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2613 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2615 ts_stream_t *p_stream;
2617 p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2620 i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2621 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2622 sizeof(pmt_map_t), intcompare );
2624 if( p_usepid != NULL )
2625 p_es = dvbpsi_PMTAddES(
2626 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2627 p_stream->i_stream_type, p_stream->i_pid );
2629 /* If there's an error somewhere, dump it to the first pmt */
2631 p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2634 if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2639 es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2640 es_id[1] = (p_stream->i_es_id)&0xff;
2641 dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2643 else if( p_stream->i_stream_type == 0xa0 )
2646 int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2648 /* private DIV3 descripor */
2649 memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2650 data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2651 data[5] = ( p_stream->i_bih_width )&0xff;
2652 data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2653 data[7] = ( p_stream->i_bih_height )&0xff;
2654 data[8] = ( i_extra >> 8 )&0xff;
2655 data[9] = ( i_extra )&0xff;
2658 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2661 /* 0xa0 is private */
2662 dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2664 else if( p_stream->i_stream_type == 0x81 )
2666 uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2668 /* "registration" descriptor : "AC-3" */
2669 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2671 else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2673 /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2675 /* DTS format identifier, frame size 1024 - FIXME */
2676 uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2677 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2679 else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2681 if( p_stream->i_decoder_specific_info )
2683 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2684 p_stream->i_decoder_specific_info,
2685 p_stream->p_decoder_specific_info );
2689 else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2692 if( p_stream->i_decoder_specific_info )
2694 /* pass-through from the TS demux */
2695 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2696 p_stream->i_decoder_specific_info,
2697 p_stream->p_decoder_specific_info );
2699 #ifdef _DVBPSI_DR_59_H_
2702 /* from the dvbsub transcoder */
2703 dvbpsi_subtitling_dr_t descr;
2704 dvbpsi_subtitle_t sub;
2705 dvbpsi_descriptor_t *p_descr;
2707 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2708 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2709 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2710 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2712 descr.i_subtitles_number = 1;
2713 descr.p_subtitle[0] = sub;
2715 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2716 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2717 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2718 p_descr->i_length, p_descr->p_data );
2720 #endif /* _DVBPSI_DR_59_H_ */
2724 if( p_stream->lang[0] != 0 )
2726 uint8_t data[4*p_stream->i_langs];
2728 /* I construct the content myself, way faster than looking at
2729 * over complicated/mind broken libdvbpsi way */
2730 for(i = 0; i < p_stream->i_langs; i++ )
2732 data[i*4+0] = p_stream->lang[i*3+0];
2733 data[i*4+1] = p_stream->lang[i*3+1];
2734 data[i*4+2] = p_stream->lang[i*3+2];
2735 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2737 dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2741 for( i = 0; i < p_sys->i_num_pmt; i++ )
2743 p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2744 p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2745 PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2746 dvbpsi_DeletePSISections( p_section[i] );
2747 dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2750 #ifdef HAVE_DVBPSI_SDT
2753 p_section2 = dvbpsi_GenSDTSections( &sdt );
2754 p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2755 PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2756 dvbpsi_DeletePSISections( p_section2 );
2757 dvbpsi_EmptySDT( &sdt );