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 *****************************************************************************/
34 #include <vlc_codecs.h>
35 #include <vlc_block.h>
43 #ifdef HAVE_DVBPSI_DR_H
44 # include <dvbpsi/dvbpsi.h>
45 # include <dvbpsi/demux.h>
46 # include <dvbpsi/descriptor.h>
47 # include <dvbpsi/pat.h>
48 # include <dvbpsi/pmt.h>
49 # include <dvbpsi/sdt.h>
50 # include <dvbpsi/dr.h>
51 # include <dvbpsi/psi.h>
55 # include "descriptor.h"
56 # include "tables/pat.h"
57 # include "tables/pmt.h"
58 # include "tables/sdt.h"
59 # include "descriptors/dr.h"
65 * - check PCR frequency requirement
67 * - check PCR/PCR "soft"
68 * - check if "registration" descriptor : "AC-3" should be a program
69 * descriptor or an es one. (xine want an es one)
71 * - remove creation of PAT/PMT without dvbpsi
74 * - subtitle support is far from perfect. I expect some subtitles drop
75 * if they arrive a bit late
76 * (We cannot rely on the fact that the fifo should be full)
78 /*****************************************************************************
80 *****************************************************************************/
81 static int Open ( vlc_object_t * );
82 static void Close ( vlc_object_t * );
84 #define VPID_TEXT N_("Video PID")
85 #define VPID_LONGTEXT N_("Assign a fixed PID to the video stream. The PCR " \
86 "PID will automatically be the video.")
87 #define APID_TEXT N_("Audio PID")
88 #define APID_LONGTEXT N_("Assign a fixed PID to the audio stream.")
89 #define SPUPID_TEXT N_("SPU PID")
90 #define SPUPID_LONGTEXT N_("Assign a fixed PID to the SPU.")
91 #define PMTPID_TEXT N_("PMT PID")
92 #define PMTPID_LONGTEXT N_("Assign a fixed PID to the PMT")
93 #define TSID_TEXT N_("TS ID")
94 #define TSID_LONGTEXT N_("Assign a fixed Transport Stream ID.")
95 #define NETID_TEXT N_("NET ID")
96 #define NETID_LONGTEXT N_("Assign a fixed Network ID (for SDT table)")
98 #define PMTPROG_TEXT N_("PMT Program numbers")
99 #define PMTPROG_LONGTEXT N_("Assign a program number to each PMT. This " \
100 "requires \"Set PID to ID of ES\" to be enabled." )
102 #define MUXPMT_TEXT N_("Mux PMT (requires --sout-ts-es-id-pid)")
103 #define MUXPMT_LONGTEXT N_("Define the pids to add to each pmt. This " \
104 "requires \"Set PID to ID of ES\" to be enabled." )
106 #define SDTDESC_TEXT N_("SDT Descriptors (requires --sout-ts-es-id-pid)")
107 #define SDTDESC_LONGTEXT N_("Defines the descriptors of each SDT. This" \
108 "requires \"Set PID to ID of ES\" to be enabled." )
110 #define PID_TEXT N_("Set PID to ID of ES")
111 #define PID_LONGTEXT N_("Sets PID to the ID if the incoming ES. This is for " \
112 "use with --ts-es-id-pid, and allows to have the same PIDs in the input " \
113 "and output streams.")
115 #define ALIGNMENT_TEXT N_("Data alignment")
116 #define ALIGNMENT_LONGTEXT N_("Enforces alignment of all access units on " \
117 "PES boundaries. Disabling this might save some bandwidth but introduce incompatibilities.")
119 #define SHAPING_TEXT N_("Shaping delay (ms)")
120 #define SHAPING_LONGTEXT N_("Cut the " \
121 "stream in slices of the given duration, and ensure a constant bitrate " \
122 "between the two boundaries. This avoids having huge bitrate peaks, " \
123 "especially for reference frames." )
125 #define KEYF_TEXT N_("Use keyframes")
126 #define KEYF_LONGTEXT N_("If enabled, and shaping is specified, " \
127 "the TS muxer will place the boundaries at the end of I pictures. In " \
128 "that case, the shaping duration given by the user is a worse case " \
129 "used when no reference frame is available. This enhances the efficiency " \
130 "of the shaping algorithm, since I frames are usually the biggest " \
131 "frames in the stream.")
133 #define PCR_TEXT N_("PCR delay (ms)")
134 #define PCR_LONGTEXT N_("Set at which interval " \
135 "PCRs (Program Clock Reference) will be sent (in milliseconds). " \
136 "This value should be below 100ms. (default is 70ms).")
138 #define BMIN_TEXT N_( "Minimum B (deprecated)")
139 #define BMIN_LONGTEXT N_( "This setting is deprecated and not used anymore" )
141 #define BMAX_TEXT N_( "Maximum B (deprecated)")
142 #define BMAX_LONGTEXT N_( "This setting is deprecated and not used anymore")
144 #define DTS_TEXT N_("DTS delay (ms)")
145 #define DTS_LONGTEXT N_("Delay the DTS (decoding time " \
146 "stamps) and PTS (presentation timestamps) of the data in the " \
147 "stream, compared to the PCRs. This allows for some buffering inside " \
148 "the client decoder.")
150 #define ACRYPT_TEXT N_("Crypt audio")
151 #define ACRYPT_LONGTEXT N_("Crypt audio using CSA")
152 #define VCRYPT_TEXT N_("Crypt video")
153 #define VCRYPT_LONGTEXT N_("Crypt video using CSA")
155 #define CK_TEXT N_("CSA Key")
156 #define CK_LONGTEXT N_("CSA encryption key. This must be a " \
157 "16 char string (8 hexadecimal bytes).")
159 #define CPKT_TEXT N_("Packet size in bytes to encrypt")
160 /// \bug [String] Extra space
161 #define CPKT_LONGTEXT N_("Size of the TS packet to encrypt. " \
162 "The encryption routines subtract the TS-header from the value before " \
165 #define SOUT_CFG_PREFIX "sout-ts-"
167 # define MAX_PMT 64 /* Maximum number of programs. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
171 #define MAX_PMT_PID 64 /* Maximum pids in each pmt. FIXME: I just chose an arbitary number. Where is the maximum in the spec? */
174 set_description( _("TS muxer (libdvbpsi)") );
175 set_shortname( "MPEG-TS");
176 set_category( CAT_SOUT );
177 set_subcategory( SUBCAT_SOUT_MUX );
178 set_capability( "sout mux", 120 );
179 add_shortcut( "ts" );
181 add_integer( SOUT_CFG_PREFIX "pid-video", 0, NULL,VPID_TEXT, VPID_LONGTEXT,
183 add_integer( SOUT_CFG_PREFIX "pid-audio", 0, NULL, APID_TEXT,
184 APID_LONGTEXT, VLC_TRUE );
185 add_integer( SOUT_CFG_PREFIX "pid-spu", 0, NULL, SPUPID_TEXT,
186 SPUPID_LONGTEXT, VLC_TRUE );
187 add_integer( SOUT_CFG_PREFIX "pid-pmt", 0, NULL, PMTPID_TEXT,
188 PMTPID_LONGTEXT, VLC_TRUE );
189 add_integer( SOUT_CFG_PREFIX "tsid", 0, NULL, TSID_TEXT,
190 TSID_LONGTEXT, VLC_TRUE );
191 #ifdef HAVE_DVBPSI_SDT
192 add_integer( SOUT_CFG_PREFIX "netid", 0, NULL, NETID_TEXT,
193 NETID_LONGTEXT, VLC_TRUE );
195 add_string( SOUT_CFG_PREFIX "program-pmt", NULL, NULL, PMTPROG_TEXT,
196 PMTPROG_LONGTEXT, VLC_TRUE );
197 add_bool( SOUT_CFG_PREFIX "es-id-pid", 0, NULL, PID_TEXT, PID_LONGTEXT,
199 add_string( SOUT_CFG_PREFIX "muxpmt", NULL, NULL, MUXPMT_TEXT, MUXPMT_LONGTEXT, VLC_TRUE );
200 #ifdef HAVE_DVBPSI_SDT
201 add_string( SOUT_CFG_PREFIX "sdtdesc", NULL, NULL, SDTDESC_TEXT, SDTDESC_LONGTEXT, VLC_TRUE );
203 add_bool( SOUT_CFG_PREFIX "alignment", VLC_TRUE, NULL, ALIGNMENT_TEXT,
204 ALIGNMENT_LONGTEXT, VLC_TRUE );
206 add_integer( SOUT_CFG_PREFIX "shaping", 200, NULL,SHAPING_TEXT,
207 SHAPING_LONGTEXT, VLC_TRUE );
208 add_bool( SOUT_CFG_PREFIX "use-key-frames", VLC_FALSE, NULL, KEYF_TEXT,
209 KEYF_LONGTEXT, VLC_TRUE );
211 add_integer( SOUT_CFG_PREFIX "pcr", 70, NULL, PCR_TEXT, PCR_LONGTEXT,
213 add_integer( SOUT_CFG_PREFIX "bmin", 0, NULL, BMIN_TEXT, BMIN_LONGTEXT,
215 add_integer( SOUT_CFG_PREFIX "bmax", 0, NULL, BMAX_TEXT, BMAX_LONGTEXT,
217 add_integer( SOUT_CFG_PREFIX "dts-delay", 400, NULL, DTS_TEXT,
218 DTS_LONGTEXT, VLC_TRUE );
220 add_bool( SOUT_CFG_PREFIX "crypt-audio", VLC_TRUE, NULL, ACRYPT_TEXT,
221 ACRYPT_LONGTEXT, VLC_TRUE );
222 add_bool( SOUT_CFG_PREFIX "crypt-video", VLC_TRUE, NULL, VCRYPT_TEXT,
223 VCRYPT_LONGTEXT, VLC_TRUE );
225 add_string( SOUT_CFG_PREFIX "csa-ck", NULL, NULL, CK_TEXT, CK_LONGTEXT,
227 add_integer( SOUT_CFG_PREFIX "csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, VLC_TRUE );
229 set_callbacks( Open, Close );
232 /*****************************************************************************
233 * Local data structures
234 *****************************************************************************/
235 static const char *ppsz_sout_options[] = {
236 "pid-video", "pid-audio", "pid-spu", "pid-pmt", "tsid", "netid",
237 "es-id-pid", "shaping", "pcr", "bmin", "bmax", "use-key-frames",
238 "dts-delay", "csa-ck", "csa-pkt", "crypt-audio", "crypt-video",
239 "muxpmt", "sdtdesc", "program-pmt", "alignment",
243 typedef struct pmt_map_t /* Holds the mapping between the pmt-pid/pmt table */
246 unsigned long i_prog;
249 typedef struct sdt_desc_t
252 char *psz_service_name; /* name of program */
260 } sout_buffer_chain_t;
262 static inline void BufferChainInit ( sout_buffer_chain_t *c )
266 c->pp_last = &c->p_first;
269 static inline void BufferChainAppend( sout_buffer_chain_t *c, block_t *b )
279 c->pp_last = &b->p_next;
282 static inline block_t *BufferChainGet( sout_buffer_chain_t *c )
284 block_t *b = c->p_first;
289 c->p_first = b->p_next;
291 if( c->p_first == NULL )
293 c->pp_last = &c->p_first;
301 static inline block_t *BufferChainPeek( sout_buffer_chain_t *c )
303 block_t *b = c->p_first;
308 static inline void BufferChainClean( sout_instance_t *p_sout,
309 sout_buffer_chain_t *c )
313 while( ( b = BufferChainGet( c ) ) )
317 BufferChainInit( c );
320 typedef struct ts_stream_t
323 vlc_fourcc_t i_codec;
327 int i_continuity_counter;
328 vlc_bool_t b_discontinuity;
330 /* to be used for carriege of DIV3 */
331 vlc_fourcc_t i_bih_codec;
332 int i_bih_width, i_bih_height;
334 /* Specific to mpeg4 in mpeg2ts */
337 int i_decoder_specific_info;
338 uint8_t *p_decoder_specific_info;
340 /* language is iso639-2T */
344 sout_buffer_chain_t chain_pes;
346 mtime_t i_pes_length;
348 vlc_bool_t b_key_frame;
352 struct sout_mux_sys_t
355 sout_input_t *p_pcr_input;
360 vlc_bool_t b_es_id_pid;
365 int i_pid_free; /* first usable pid */
371 int i_pat_version_number;
374 int i_pmt_version_number;
375 ts_stream_t pmt[MAX_PMT];
376 pmt_map_t pmtmap[MAX_PMT_PID];
377 int i_pmt_program_number[MAX_PMT];
378 sdt_desc_t sdt_descriptors[MAX_PMT];
379 vlc_bool_t b_data_alignment;
383 int i_null_continuity_counter; /* Needed ? */
385 dvbpsi_pmt_t *dvbpmt;
387 /* for TS building */
388 int64_t i_bitrate_min;
389 int64_t i_bitrate_max;
391 int64_t i_shaping_delay;
396 vlc_bool_t b_use_key_frames;
398 mtime_t i_pcr; /* last PCR emited */
402 vlc_bool_t b_crypt_audio;
403 vlc_bool_t b_crypt_video;
406 /* Reserve a pid and return it */
407 static int AllocatePID( sout_mux_sys_t *p_sys, int i_cat )
410 if ( i_cat == VIDEO_ES && p_sys->i_pid_video )
412 i_pid = p_sys->i_pid_video;
413 p_sys->i_pid_video = 0;
415 else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio )
417 i_pid = p_sys->i_pid_audio;
418 p_sys->i_pid_audio = 0;
420 else if ( i_cat == SPU_ES && p_sys->i_pid_spu )
422 i_pid = p_sys->i_pid_spu;
423 p_sys->i_pid_spu = 0;
427 i_pid = ++p_sys->i_pid_free;
432 static int pmtcompare( const void *pa, const void *pb )
434 if ( ((pmt_map_t *)pa)->i_pid < ((pmt_map_t *)pb)->i_pid )
436 else if ( ((pmt_map_t *)pa)->i_pid > ((pmt_map_t *)pb)->i_pid )
442 static int intcompare( const void *pa, const void *pb )
444 if ( *(int *)pa < *(int *)pb )
446 else if ( *(int *)pa > *(int *)pb )
452 /*****************************************************************************
454 *****************************************************************************/
455 static int Control ( sout_mux_t *, int, va_list );
456 static int AddStream( sout_mux_t *, sout_input_t * );
457 static int DelStream( sout_mux_t *, sout_input_t * );
458 static int Mux ( sout_mux_t * );
460 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo );
461 static void TSSchedule ( 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 TSDate ( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
464 mtime_t i_pcr_length, mtime_t i_pcr_dts );
465 static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
466 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c );
468 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr );
469 static void TSSetPCR( block_t *p_ts, mtime_t i_dts );
471 static void PEStoTS ( sout_instance_t *, sout_buffer_chain_t *, block_t *, ts_stream_t * );
473 /*****************************************************************************
475 *****************************************************************************/
476 static int Open( vlc_object_t *p_this )
478 sout_mux_t *p_mux =(sout_mux_t*)p_this;
479 sout_mux_sys_t *p_sys = NULL;
483 config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
485 p_sys = malloc( sizeof( sout_mux_sys_t ) );
488 p_sys->i_pmtslots = p_sys->b_sdt = 0;
489 p_sys->i_num_pmt = 1;
490 p_sys->dvbpmt = NULL;
491 memset( &p_sys->pmtmap, 0, sizeof(p_sys->pmtmap) );
493 p_mux->pf_control = Control;
494 p_mux->pf_addstream = AddStream;
495 p_mux->pf_delstream = DelStream;
497 p_mux->p_sys = p_sys;
499 srand( (uint32_t)mdate() );
500 for ( i = 0; i < MAX_PMT; i++ )
501 p_sys->sdt_descriptors[i].psz_service_name
502 = p_sys->sdt_descriptors[i].psz_provider = NULL;
503 memset( p_sys->sdt_descriptors, 0, sizeof(sdt_desc_t) );
505 p_sys->i_audio_bound = 0;
506 p_sys->i_video_bound = 0;
508 var_Get( p_mux, SOUT_CFG_PREFIX "es-id-pid", &val );
509 p_sys->b_es_id_pid = val.b_bool;
511 var_Get( p_mux, SOUT_CFG_PREFIX "muxpmt", &val );
513 fetch string of pmts. Here's a sample: --sout-ts-muxpmt="0x451,0x200,0x28a,0x240,,0x450,0x201,0x28b,0x241,,0x452,0x202,0x28c,0x242"
514 This would mean 0x451, 0x200, 0x28a, 0x240 would fall under one pmt (program), 0x450,0x201,0x28b,0x241 would fall under another
516 if( val.psz_string != NULL && *val.psz_string )
519 char *psz = val.psz_string;
525 i_pid = strtoul( psz, &psz_next, 0 );
527 if ( strlen(psz_next) > 0 )
532 if ( p_sys->i_num_pmt > MAX_PMT )
535 "Number of PMTs greater than compiled maximum (%d)", MAX_PMT );
536 p_sys->i_num_pmt = MAX_PMT;
541 p_sys->pmtmap[p_sys->i_pmtslots].i_pid = i_pid;
542 p_sys->pmtmap[p_sys->i_pmtslots].i_prog = p_sys->i_num_pmt - 1;
544 if ( p_sys->i_pmtslots > MAX_PMT_PID )
547 "Number of pids in PMT greater than compiled maximum (%d)",
549 p_sys->i_pmtslots = MAX_PMT_PID;
553 /* Now sort according to pids for fast search later on */
554 qsort( (void *)p_sys->pmtmap, p_sys->i_pmtslots,
555 sizeof(pmt_map_t), &pmtcompare );
560 if( val.psz_string != NULL) free( val.psz_string );
562 p_sys->i_pat_version_number = rand() % 32;
563 p_sys->pat.i_pid = 0;
564 p_sys->pat.i_continuity_counter = 0;
565 p_sys->pat.b_discontinuity = VLC_FALSE;
567 var_Get( p_mux, SOUT_CFG_PREFIX "tsid", &val );
569 p_sys->i_tsid = val.i_int;
571 p_sys->i_tsid = rand() % 65536;
573 p_sys->i_netid = rand() % 65536;
574 #ifdef HAVE_DVBPSI_SDT
575 var_Get( p_mux, SOUT_CFG_PREFIX "netid", &val );
577 p_sys->i_netid = val.i_int;
580 p_sys->i_pmt_version_number = rand() % 32;
581 for( i = 0; i < p_sys->i_num_pmt; i++ )
583 p_sys->pmt[i].i_continuity_counter = 0;
584 p_sys->pmt[i].b_discontinuity = VLC_FALSE;
587 p_sys->sdt.i_pid = 0x11;
588 p_sys->sdt.i_continuity_counter = 0;
589 p_sys->sdt.b_discontinuity = VLC_FALSE;
591 #ifdef HAVE_DVBPSI_SDT
592 var_Get( p_mux, SOUT_CFG_PREFIX "sdtdesc", &val );
593 p_sys->b_sdt = val.psz_string && *val.psz_string ? VLC_TRUE : VLC_FALSE;
595 /* Syntax is provider_sdt1,service_name_sdt1,provider_sdt2,service_name_sdt2... */
599 char *psz = val.psz_string;
600 char *psz_sdttoken = psz;
603 while ( psz_sdttoken != NULL )
605 char *psz_end = strchr( psz_sdttoken, ',' );
606 if( psz_end != NULL )
612 p_sys->sdt_descriptors[i/2].psz_provider
613 = strdup(psz_sdttoken);
617 p_sys->sdt_descriptors[i/2].psz_service_name
618 = strdup(psz_sdttoken);
622 psz_sdttoken = psz_end;
625 if( val.psz_string != NULL ) free( val.psz_string );
627 p_sys->b_sdt = VLC_FALSE;
630 var_Get( p_mux, SOUT_CFG_PREFIX "alignment", &val );
631 p_sys->b_data_alignment = val.b_bool;
633 var_Get( p_mux, SOUT_CFG_PREFIX "program-pmt", &val );
634 if( val.psz_string && *val.psz_string )
637 char *psz = val.psz_string;
642 while ( psz != NULL )
644 i_pid = strtoul( psz, &psz_next, 0 );
645 if( strlen(psz_next) > 0 )
653 msg_Err( p_mux, "Number of PMTs > maximum (%d)",
658 p_sys->i_pmt_program_number[i] = i_pid;
665 /* Option not specified, use 1, 2, 3... */
666 for( i = 0; i < p_sys->i_num_pmt; i++ )
667 p_sys->i_pmt_program_number[i] = i + 1;
669 if( val.psz_string != NULL ) free( val.psz_string );
671 var_Get( p_mux, SOUT_CFG_PREFIX "pid-pmt", &val );
674 for( i = 0; i < p_sys->i_num_pmt; i++ )
675 p_sys->pmt[i].i_pid = val.i_int + i; /* Does this make any sense? */
679 for( i = 0; i < p_sys->i_num_pmt; i++ )
680 p_sys->pmt[i].i_pid = 0x42 + i;
683 p_sys->i_pid_free = p_sys->pmt[p_sys->i_num_pmt - 1].i_pid + 1;
685 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
686 p_sys->i_pid_video = val.i_int;
687 if ( p_sys->i_pid_video > p_sys->i_pid_free )
689 p_sys->i_pid_free = p_sys->i_pid_video + 1;
692 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
693 p_sys->i_pid_audio = val.i_int;
694 if ( p_sys->i_pid_audio > p_sys->i_pid_free )
696 p_sys->i_pid_free = p_sys->i_pid_audio + 1;
699 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
700 p_sys->i_pid_spu = val.i_int;
701 if ( p_sys->i_pid_spu > p_sys->i_pid_free )
703 p_sys->i_pid_free = p_sys->i_pid_spu + 1;
706 p_sys->i_pcr_pid = 0x1fff;
707 p_sys->p_pcr_input = NULL;
709 p_sys->i_mpeg4_streams = 0;
711 p_sys->i_null_continuity_counter = 0;
713 /* Allow to create constrained stream */
714 var_Get( p_mux, SOUT_CFG_PREFIX "bmin", &val );
715 p_sys->i_bitrate_min = val.i_int;
717 var_Get( p_mux, SOUT_CFG_PREFIX "bmax", &val );
718 p_sys->i_bitrate_max = val.i_int;
720 if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 &&
721 p_sys->i_bitrate_min > p_sys->i_bitrate_max )
723 msg_Err( p_mux, "incompatible minimum and maximum bitrate, "
724 "disabling bitrate control" );
725 p_sys->i_bitrate_min = 0;
726 p_sys->i_bitrate_max = 0;
728 if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 )
730 msg_Err( p_mux, "bmin and bmax no more supported "
731 "(if you need them report it)" );
734 var_Get( p_mux, SOUT_CFG_PREFIX "shaping", &val );
735 p_sys->i_shaping_delay = (int64_t)val.i_int * 1000;
736 if( p_sys->i_shaping_delay <= 0 )
739 "invalid shaping ("I64Fd"ms) resetting to 200ms",
740 p_sys->i_shaping_delay / 1000 );
741 p_sys->i_shaping_delay = 200000;
744 var_Get( p_mux, SOUT_CFG_PREFIX "pcr", &val );
745 p_sys->i_pcr_delay = (int64_t)val.i_int * 1000;
746 if( p_sys->i_pcr_delay <= 0 ||
747 p_sys->i_pcr_delay >= p_sys->i_shaping_delay )
750 "invalid pcr delay ("I64Fd"ms) resetting to 70ms",
751 p_sys->i_pcr_delay / 1000 );
752 p_sys->i_pcr_delay = 70000;
755 var_Get( p_mux, SOUT_CFG_PREFIX "dts-delay", &val );
756 p_sys->i_dts_delay = (int64_t)val.i_int * 1000;
758 msg_Dbg( p_mux, "shaping="I64Fd" pcr="I64Fd" dts_delay="I64Fd,
759 p_sys->i_shaping_delay, p_sys->i_pcr_delay, p_sys->i_dts_delay );
761 var_Get( p_mux, SOUT_CFG_PREFIX "use-key-frames", &val );
762 p_sys->b_use_key_frames = val.b_bool;
764 /* for TS generation */
768 var_Get( p_mux, SOUT_CFG_PREFIX "csa-ck", &val );
769 if( val.psz_string && *val.psz_string )
771 char *psz = val.psz_string;
774 if( psz[0] == '0' && ( psz[1] == 'x' || psz[1] == 'X' ) )
778 if( strlen( psz ) != 16 )
780 msg_Dbg( p_mux, "invalid csa ck (it must be 16 chars long)" );
784 uint64_t i_ck = strtoull( psz, NULL, 16 );
788 for( i = 0; i < 8; i++ )
790 ck[i] = ( i_ck >> ( 56 - 8*i) )&0xff;
792 #ifndef TS_NO_CSA_CK_MSG
793 msg_Dbg( p_mux, "using CSA scrambling with ck=%x:%x:%x:%x:%x:%x:%x:%x",
794 ck[0], ck[1], ck[2], ck[3], ck[4], ck[5], ck[6], ck[7] );
796 p_sys->csa = csa_New();
801 csa_SetCW( p_sys->csa, ck, ck );
803 var_Get( p_mux, SOUT_CFG_PREFIX "csa-pkt", &pkt_val );
804 if( pkt_val.i_int < 12 || pkt_val.i_int > 188 )
806 msg_Err( p_mux, "wrong packet size %d specified.", pkt_val.i_int );
807 msg_Warn( p_mux, "using default packet size of 188 bytes" );
808 p_sys->i_csa_pkt_size = 188;
810 else p_sys->i_csa_pkt_size = pkt_val.i_int;
811 msg_Dbg( p_mux, "encrypting %d bytes of packet", p_sys->i_csa_pkt_size );
815 if( val.psz_string ) free( val.psz_string );
817 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-audio", &val );
818 p_sys->b_crypt_audio = val.b_bool;
820 var_Get( p_mux, SOUT_CFG_PREFIX "crypt-video", &val );
821 p_sys->b_crypt_video = val.b_bool;
826 /*****************************************************************************
828 *****************************************************************************/
829 static void Close( vlc_object_t * p_this )
831 sout_mux_t *p_mux = (sout_mux_t*)p_this;
832 sout_mux_sys_t *p_sys = p_mux->p_sys;
837 csa_Delete( p_sys->csa );
839 for( i = 0; i < MAX_PMT; i++ )
841 if( p_sys->sdt_descriptors[i].psz_service_name != NULL )
842 free( p_sys->sdt_descriptors[i].psz_service_name );
843 if( p_sys->sdt_descriptors[i].psz_provider != NULL )
844 free( p_sys->sdt_descriptors[i].psz_provider );
847 if( p_sys->dvbpmt != NULL ) /* safety */
848 free ( p_sys->dvbpmt );
853 /*****************************************************************************
855 *****************************************************************************/
856 static int Control( sout_mux_t *p_mux, int i_query, va_list args )
863 case MUX_CAN_ADD_STREAM_WHILE_MUXING:
864 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
868 case MUX_GET_ADD_STREAM_WAIT:
869 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
870 *pb_bool = VLC_FALSE;
874 ppsz = (char**)va_arg( args, char ** );
875 *ppsz = strdup( "video/mpeg" ); /* FIXME not sure */
883 /*****************************************************************************
884 * AddStream: called for each stream addition
885 *****************************************************************************/
886 static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
888 sout_mux_sys_t *p_sys = p_mux->p_sys;
889 ts_stream_t *p_stream;
892 p_input->p_sys = p_stream = malloc( sizeof( ts_stream_t ) );
894 /* Init this new stream */
895 if ( p_sys->b_es_id_pid )
896 p_stream->i_pid = p_input->p_fmt->i_id & 0x1fff;
898 p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat );
899 p_stream->i_codec = p_input->p_fmt->i_codec;
900 p_stream->i_continuity_counter = 0;
901 p_stream->b_discontinuity = VLC_FALSE;
902 p_stream->i_decoder_specific_info = 0;
903 p_stream->p_decoder_specific_info = NULL;
905 msg_Dbg( p_mux, "adding input codec=%4.4s pid=%d",
906 (char*)&p_input->p_fmt->i_codec, p_stream->i_pid );
908 /* All others fields depand on codec */
909 switch( p_input->p_fmt->i_cat )
912 switch( p_input->p_fmt->i_codec )
914 case VLC_FOURCC( 'm', 'p','g', 'v' ):
915 /* TODO: do we need to check MPEG-I/II ? */
916 p_stream->i_stream_type = 0x02;
917 p_stream->i_stream_id = 0xe0;
919 case VLC_FOURCC( 'm', 'p','4', 'v' ):
920 p_stream->i_stream_type = 0x10;
921 p_stream->i_stream_id = 0xe0;
922 p_stream->i_es_id = p_stream->i_pid;
924 case VLC_FOURCC( 'h', '2','6', '4' ):
925 p_stream->i_stream_type = 0x1b;
926 p_stream->i_stream_id = 0xe0;
928 /* XXX dirty dirty but somebody want that:
929 * using crapy MS-codec XXX */
930 /* I didn't want to do that :P */
931 case VLC_FOURCC( 'H', '2', '6', '3' ):
932 case VLC_FOURCC( 'I', '2', '6', '3' ):
933 case VLC_FOURCC( 'W', 'M', 'V', '3' ):
934 case VLC_FOURCC( 'W', 'M', 'V', '2' ):
935 case VLC_FOURCC( 'W', 'M', 'V', '1' ):
936 case VLC_FOURCC( 'D', 'I', 'V', '3' ):
937 case VLC_FOURCC( 'D', 'I', 'V', '2' ):
938 case VLC_FOURCC( 'D', 'I', 'V', '1' ):
939 case VLC_FOURCC( 'M', 'J', 'P', 'G' ):
940 p_stream->i_stream_type = 0xa0; /* private */
941 p_stream->i_stream_id = 0xa0; /* beurk */
942 p_stream->i_bih_codec = p_input->p_fmt->i_codec;
943 p_stream->i_bih_width = p_input->p_fmt->video.i_width;
944 p_stream->i_bih_height = p_input->p_fmt->video.i_height;
950 p_sys->i_video_bound++;
954 switch( p_input->p_fmt->i_codec )
956 case VLC_FOURCC( 'm', 'p','g', 'a' ):
957 p_stream->i_stream_type =
958 p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04;
959 p_stream->i_stream_id = 0xc0;
961 case VLC_FOURCC( 'a', '5','2', ' ' ):
962 p_stream->i_stream_type = 0x81;
963 p_stream->i_stream_id = 0xbd;
965 case VLC_FOURCC( 'l', 'p','c', 'm' ):
966 p_stream->i_stream_type = 0x83;
967 p_stream->i_stream_id = 0xbd;
969 case VLC_FOURCC( 'd', 't','s', ' ' ):
970 p_stream->i_stream_type = 0x06;
971 p_stream->i_stream_id = 0xbd;
973 case VLC_FOURCC( 'm', 'p','4', 'a' ):
974 p_stream->i_stream_type = 0x11;
975 p_stream->i_stream_id = 0xfa;
976 p_sys->i_mpeg4_streams++;
977 p_stream->i_es_id = p_stream->i_pid;
983 p_sys->i_audio_bound++;
987 switch( p_input->p_fmt->i_codec )
989 case VLC_FOURCC( 's', 'p','u', ' ' ):
990 p_stream->i_stream_type = 0x82;
991 p_stream->i_stream_id = 0xbd;
993 case VLC_FOURCC( 's', 'u','b', 't' ):
994 p_stream->i_stream_type = 0x12;
995 p_stream->i_stream_id = 0xfa;
996 p_sys->i_mpeg4_streams++;
997 p_stream->i_es_id = p_stream->i_pid;
999 case VLC_FOURCC('d','v','b','s'):
1000 p_stream->i_stream_type = 0x06;
1001 p_stream->i_es_id = p_input->p_fmt->subs.dvb.i_id;
1002 p_stream->i_stream_id = 0xbd;
1004 case VLC_FOURCC('t','e','l','x'):
1005 p_stream->i_stream_type = 0x06;
1006 p_stream->i_stream_id = 0xbd; /* FIXME */
1010 return VLC_EGENERIC;
1016 return VLC_EGENERIC;
1019 p_stream->i_langs = 1+p_input->p_fmt->i_extra_languages;
1020 p_stream->lang = malloc(p_stream->i_langs*3);
1024 p_stream->lang[2] = '\0';
1025 if( p_input->p_fmt->psz_language )
1027 char *psz = p_input->p_fmt->psz_language;
1028 const iso639_lang_t *pl = NULL;
1030 if( strlen( psz ) == 2 )
1032 pl = GetLang_1( psz );
1034 else if( strlen( psz ) == 3 )
1036 pl = GetLang_2B( psz );
1037 if( !strcmp( pl->psz_iso639_1, "??" ) )
1039 pl = GetLang_2T( psz );
1042 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1044 p_stream->lang[0] = pl->psz_iso639_2T[0];
1045 p_stream->lang[1] = pl->psz_iso639_2T[1];
1046 p_stream->lang[2] = pl->psz_iso639_2T[2];
1048 msg_Dbg( p_mux, " - lang=%c%c%c",
1049 p_stream->lang[0], p_stream->lang[1],
1050 p_stream->lang[2] );
1053 while( i < p_stream->i_langs ) {
1054 if( p_input->p_fmt->p_extra_languages[i-1].psz_language )
1056 char *psz = p_input->p_fmt->p_extra_languages[i-1].psz_language;
1057 const iso639_lang_t *pl = NULL;
1059 if( strlen( psz ) == 2 )
1061 pl = GetLang_1( psz );
1063 else if( strlen( psz ) == 3 )
1065 pl = GetLang_2B( psz );
1066 if( !strcmp( pl->psz_iso639_1, "??" ) )
1068 pl = GetLang_2T( psz );
1071 if( pl && strcmp( pl->psz_iso639_1, "??" ) )
1073 p_stream->lang[i*3+0] = pl->psz_iso639_2T[0];
1074 p_stream->lang[i*3+1] = pl->psz_iso639_2T[1];
1075 p_stream->lang[i*3+2] = pl->psz_iso639_2T[2];
1077 msg_Dbg( p_mux, " - lang=%c%c%c",
1078 p_stream->lang[i*3+0], p_stream->lang[i*3+1],
1079 p_stream->lang[i*3+2] );
1085 /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
1086 p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
1087 if( p_stream->i_decoder_specific_info > 0 )
1089 p_stream->p_decoder_specific_info =
1090 malloc( p_stream->i_decoder_specific_info );
1091 memcpy( p_stream->p_decoder_specific_info,
1092 p_input->p_fmt->p_extra,
1093 p_input->p_fmt->i_extra );
1096 /* Create decoder specific info for subt */
1097 if( p_stream->i_codec == VLC_FOURCC( 's', 'u','b', 't' ) )
1101 p_stream->i_decoder_specific_info = 55;
1102 p_stream->p_decoder_specific_info = p =
1103 malloc( p_stream->i_decoder_specific_info );
1105 p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
1106 p[1] = 0x00; /* flags: 1b: associated video info flag
1110 p[2] = 52; /* remaining size */
1114 p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
1115 *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
1116 *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
1118 p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
1119 *p++ = 0xff; /* background a */
1121 p[0] = p[1] = 0; p += 2; /* text box top */
1122 p[0] = p[1] = 0; p += 2; /* text box left */
1123 p[0] = p[1] = 0; p += 2; /* text box bottom */
1124 p[0] = p[1] = 0; p += 2; /* text box right */
1126 p[0] = p[1] = 0; p += 2; /* start char */
1127 p[0] = p[1] = 0; p += 2; /* end char */
1128 p[0] = p[1] = 0; p += 2; /* default font id */
1130 *p++ = 0; /* font style flags */
1131 *p++ = 12; /* font size */
1133 p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
1134 *p++ = 0x00; /* foreground a */
1136 p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
1137 memcpy( p, "ftab", 4 ); p += 4;
1138 *p++ = 0; *p++ = 1; /* entry count */
1139 p[0] = p[1] = 0; p += 2; /* font id */
1140 *p++ = 9; /* font name length */
1141 memcpy( p, "Helvetica", 9 ); /* font name */
1144 /* Init pes chain */
1145 BufferChainInit( &p_stream->chain_pes );
1146 p_stream->i_pes_dts = 0;
1147 p_stream->i_pes_length = 0;
1148 p_stream->i_pes_used = 0;
1149 p_stream->b_key_frame = 0;
1151 /* We only change PMT version (PAT isn't changed) */
1152 p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32;
1154 /* Update pcr_pid */
1155 if( p_input->p_fmt->i_cat != SPU_ES &&
1156 ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) )
1158 if( p_sys->p_pcr_input )
1160 /* There was already a PCR stream, so clean context */
1163 p_sys->i_pcr_pid = p_stream->i_pid;
1164 p_sys->p_pcr_input = p_input;
1166 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1172 /*****************************************************************************
1173 * DelStream: called before a stream deletion
1174 *****************************************************************************/
1175 static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
1177 sout_mux_sys_t *p_sys = p_mux->p_sys;
1178 ts_stream_t *p_stream;
1181 p_stream = (ts_stream_t*)p_input->p_sys;
1182 msg_Dbg( p_mux, "removing input pid=%d", p_stream->i_pid );
1184 if( p_sys->i_pcr_pid == p_stream->i_pid )
1188 /* Find a new pcr stream (Prefer Video Stream) */
1189 p_sys->i_pcr_pid = 0x1fff;
1190 p_sys->p_pcr_input = NULL;
1191 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1193 if( p_mux->pp_inputs[i] == p_input )
1198 if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES )
1201 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1202 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1205 else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES &&
1206 p_sys->i_pcr_pid == 0x1fff )
1209 ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid;
1210 p_sys->p_pcr_input= p_mux->pp_inputs[i];
1213 if( p_sys->p_pcr_input )
1215 /* Empty TS buffer */
1218 msg_Dbg( p_mux, "new PCR PID is %d", p_sys->i_pcr_pid );
1221 /* Empty all data in chain_pes */
1222 BufferChainClean( p_mux->p_sout, &p_stream->chain_pes );
1224 if( p_stream->lang )
1226 free(p_stream->lang);
1228 if( p_stream->p_decoder_specific_info )
1230 free( p_stream->p_decoder_specific_info );
1232 if( p_stream->i_stream_id == 0xfa ||
1233 p_stream->i_stream_id == 0xfb ||
1234 p_stream->i_stream_id == 0xfe )
1236 p_sys->i_mpeg4_streams--;
1239 var_Get( p_mux, SOUT_CFG_PREFIX "pid-video", &val );
1242 int i_pid_video = val.i_int;
1243 if ( i_pid_video == p_stream->i_pid )
1245 p_sys->i_pid_video = i_pid_video;
1246 msg_Dbg( p_mux, "freeing video PID %d", i_pid_video );
1249 var_Get( p_mux, SOUT_CFG_PREFIX "pid-audio", &val );
1252 int i_pid_audio = val.i_int;
1253 if ( i_pid_audio == p_stream->i_pid )
1255 p_sys->i_pid_audio = i_pid_audio;
1256 msg_Dbg( p_mux, "freeing audio PID %d", i_pid_audio );
1259 var_Get( p_mux, SOUT_CFG_PREFIX "pid-spu", &val );
1262 int i_pid_spu = val.i_int;
1263 if ( i_pid_spu == p_stream->i_pid )
1265 p_sys->i_pid_spu = i_pid_spu;
1266 msg_Dbg( p_mux, "freeing spu PID %d", i_pid_spu );
1271 /* We only change PMT version (PAT isn't changed) */
1272 p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32;
1277 /*****************************************************************************
1278 * Mux: Call each time there is new data for at least one stream
1279 *****************************************************************************
1281 *****************************************************************************/
1282 static int Mux( sout_mux_t *p_mux )
1284 sout_mux_sys_t *p_sys = p_mux->p_sys;
1285 ts_stream_t *p_pcr_stream;
1287 if( p_sys->i_pcr_pid == 0x1fff )
1290 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1292 block_FifoEmpty( p_mux->pp_inputs[i]->p_fifo );
1294 msg_Dbg( p_mux, "waiting for PCR streams" );
1298 p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys;
1302 sout_buffer_chain_t chain_ts;
1306 mtime_t i_pcr_length;
1307 mtime_t i_shaping_delay;
1310 if( p_pcr_stream->b_key_frame )
1312 i_shaping_delay = p_pcr_stream->i_pes_length;
1316 i_shaping_delay = p_sys->i_shaping_delay;
1319 /* 1: get enough PES packet for all input */
1322 vlc_bool_t b_ok = VLC_TRUE;
1325 /* Accumulate enough data in the pcr stream (>i_shaping_delay) */
1326 /* Accumulate enough data in all other stream ( >= length of pcr)*/
1327 for( i = -1; i < p_mux->i_nb_inputs; i++ )
1329 sout_input_t *p_input;
1330 ts_stream_t *p_stream;
1331 int64_t i_spu_delay = 0;
1334 p_input = p_sys->p_pcr_input;
1335 else if( p_mux->pp_inputs[i]->p_sys == p_pcr_stream )
1338 p_input = p_mux->pp_inputs[i];
1339 p_stream = (ts_stream_t*)p_input->p_sys;
1341 if( ( p_stream == p_pcr_stream &&
1342 p_stream->i_pes_length < i_shaping_delay ) ||
1343 p_stream->i_pes_dts + p_stream->i_pes_length <
1344 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1346 /* Need more data */
1347 if( p_input->p_fifo->i_depth <= 1 )
1349 if( p_input->p_fmt->i_cat == AUDIO_ES ||
1350 p_input->p_fmt->i_cat == VIDEO_ES )
1352 /* We need more data */
1355 else if( p_input->p_fifo->i_depth <= 0 )
1357 /* spu, only one packet is needed */
1362 /* Don't mux the SPU yet if it is too early */
1363 block_t *p_spu = block_FifoShow( p_input->p_fifo );
1366 p_spu->i_dts - p_pcr_stream->i_pes_dts;
1368 if( i_spu_delay > i_shaping_delay &&
1369 i_spu_delay < I64C(100000000) )
1372 if ( i_spu_delay >= I64C(100000000)
1373 || i_spu_delay < 10000 )
1375 BufferChainClean( p_mux->p_sout,
1376 &p_stream->chain_pes );
1377 p_stream->i_pes_dts = 0;
1378 p_stream->i_pes_used = 0;
1379 p_stream->i_pes_length = 0;
1386 if( p_stream == p_pcr_stream || p_sys->b_data_alignment
1387 || p_input->p_fmt->i_codec !=
1388 VLC_FOURCC('m', 'p', 'g', 'a') )
1389 p_data = block_FifoGet( p_input->p_fifo );
1391 p_data = FixPES( p_mux, p_input->p_fifo );
1393 if( p_input->p_fifo->i_depth > 0 &&
1394 p_input->p_fmt->i_cat != SPU_ES )
1396 block_t *p_next = block_FifoShow( p_input->p_fifo );
1397 p_data->i_length = p_next->i_dts - p_data->i_dts;
1399 else if( p_input->p_fmt->i_codec !=
1400 VLC_FOURCC('s', 'u', 'b', 't' ) )
1401 p_data->i_length = 1000;
1403 if( ( p_pcr_stream->i_pes_dts > 0 &&
1404 p_data->i_dts - 10000000 > p_pcr_stream->i_pes_dts +
1405 p_pcr_stream->i_pes_length ) ||
1406 p_data->i_dts < p_stream->i_pes_dts ||
1407 ( p_stream->i_pes_dts > 0 &&
1408 p_input->p_fmt->i_cat != SPU_ES &&
1409 p_data->i_dts - 10000000 > p_stream->i_pes_dts +
1410 p_stream->i_pes_length ) )
1412 msg_Warn( p_mux, "packet with too strange dts "
1413 "(dts="I64Fd",old="I64Fd",pcr="I64Fd")",
1414 p_data->i_dts, p_stream->i_pes_dts,
1415 p_pcr_stream->i_pes_dts );
1416 block_Release( p_data );
1418 BufferChainClean( p_mux->p_sout,
1419 &p_stream->chain_pes );
1420 p_stream->i_pes_dts = 0;
1421 p_stream->i_pes_used = 0;
1422 p_stream->i_pes_length = 0;
1424 if( p_input->p_fmt->i_cat != SPU_ES )
1426 BufferChainClean( p_mux->p_sout,
1427 &p_pcr_stream->chain_pes );
1428 p_pcr_stream->i_pes_dts = 0;
1429 p_pcr_stream->i_pes_used = 0;
1430 p_pcr_stream->i_pes_length = 0;
1435 int i_header_size = 0;
1436 int b_data_alignment = 0;
1437 if( p_input->p_fmt->i_cat == SPU_ES )
1439 if( p_input->p_fmt->i_codec ==
1440 VLC_FOURCC('s','u','b','t') )
1442 /* Prepend header */
1443 p_data = block_Realloc( p_data, 2,
1445 p_data->p_buffer[0] =
1446 ( (p_data->i_buffer - 2) >> 8) & 0xff;
1447 p_data->p_buffer[1] =
1448 ( (p_data->i_buffer - 2) ) & 0xff;
1450 /* remove trailling \0 if any */
1451 if( p_data->i_buffer > 2 &&
1452 p_data->p_buffer[p_data->i_buffer -1] ==
1456 /* Append a empty sub (sub text only) */
1457 if( p_data->i_length > 0 &&
1458 !( p_data->i_buffer == 1 &&
1459 *p_data->p_buffer == ' ' ) )
1461 block_t *p_spu = block_New( p_mux, 3 );
1463 p_spu->i_dts = p_spu->i_pts =
1464 p_data->i_dts + p_data->i_length;
1465 p_spu->i_length = 1000;
1467 p_spu->p_buffer[0] = 0;
1468 p_spu->p_buffer[1] = 1;
1469 p_spu->p_buffer[2] = ' ';
1471 E_(EStoPES)( p_mux->p_sout, &p_spu, p_spu,
1473 p_stream->i_stream_id, 1,
1475 p_data->p_next = p_spu;
1478 else if( p_input->p_fmt->i_codec ==
1479 VLC_FOURCC('t','e','l','x') )
1482 i_header_size = 0x24;
1483 b_data_alignment = 1;
1485 else if( p_input->p_fmt->i_codec ==
1486 VLC_FOURCC('d','v','b','s') )
1489 b_data_alignment = 1;
1492 else if( p_data->i_length < 0 ||
1493 p_data->i_length > 2000000 )
1495 /* FIXME choose a better value, but anyway we
1496 * should never have to do that */
1497 p_data->i_length = 1000;
1500 p_stream->i_pes_length += p_data->i_length;
1501 if( p_stream->i_pes_dts == 0 )
1503 p_stream->i_pes_dts = p_data->i_dts;
1506 /* Convert to pes */
1507 if( p_stream->i_stream_id == 0xa0 &&
1508 p_data->i_pts <= 0 )
1510 /* XXX yes I know, it's awful, but it's needed,
1511 * so don't remove it ... */
1512 p_data->i_pts = p_data->i_dts;
1515 E_( EStoPES )( p_mux->p_sout, &p_data, p_data,
1516 p_input->p_fmt, p_stream->i_stream_id,
1517 1, b_data_alignment, i_header_size, 0 );
1519 BufferChainAppend( &p_stream->chain_pes, p_data );
1521 if( p_sys->b_use_key_frames && p_stream == p_pcr_stream
1522 && (p_data->i_flags & BLOCK_FLAG_TYPE_I)
1523 && !(p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME)
1524 && (p_stream->i_pes_length > 400000) )
1526 i_shaping_delay = p_stream->i_pes_length;
1527 p_stream->b_key_frame = 1;
1540 i_pcr_dts = p_pcr_stream->i_pes_dts;
1541 i_pcr_length = p_pcr_stream->i_pes_length;
1542 p_pcr_stream->b_key_frame = 0;
1544 /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */
1545 /* 2: calculate non accurate total size of muxed ts */
1547 for( i = 0; i < p_mux->i_nb_inputs; i++ )
1549 ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1552 /* False for pcr stream but it will be enough to do PCR algo */
1553 for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL;
1554 p_pes = p_pes->p_next )
1556 int i_size = p_pes->i_buffer;
1557 if( p_pes->i_dts + p_pes->i_length >
1558 p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length )
1560 mtime_t i_frag = p_pcr_stream->i_pes_dts +
1561 p_pcr_stream->i_pes_length - p_pes->i_dts;
1567 i_size = p_pes->i_buffer * i_frag / p_pes->i_length;
1569 i_packet_count += ( i_size + 183 ) / 184;
1572 /* add overhead for PCR (not really exact) */
1573 i_packet_count += (8 * i_pcr_length / p_sys->i_pcr_delay + 175) / 176;
1575 /* 3: mux PES into TS */
1576 BufferChainInit( &chain_ts );
1577 /* append PAT/PMT -> FIXME with big pcr delay it won't have enough pat/pmt */
1578 GetPAT( p_mux, &chain_ts );
1579 GetPMT( p_mux, &chain_ts );
1581 i_packet_count += chain_ts.i_depth;
1582 /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */
1588 ts_stream_t *p_stream;
1589 sout_input_t *p_input;
1593 /* Select stream (lowest dts) */
1594 for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ )
1596 p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys;
1598 if( p_stream->i_pes_dts == 0 )
1603 if( i_stream == -1 ||
1604 p_stream->i_pes_dts < i_dts )
1607 i_dts = p_stream->i_pes_dts;
1610 if( i_stream == -1 || i_dts > i_pcr_dts + i_pcr_length )
1614 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
1615 p_input = p_mux->pp_inputs[i_stream];
1617 /* do we need to issue pcr */
1619 if( p_stream == p_pcr_stream &&
1620 i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >=
1621 p_sys->i_pcr + p_sys->i_pcr_delay )
1624 p_sys->i_pcr = i_pcr_dts + i_packet_pos *
1625 i_pcr_length / i_packet_count;
1628 /* Build the TS packet */
1629 p_ts = TSNew( p_mux, p_stream, b_pcr );
1630 if( p_sys->csa != NULL &&
1631 (p_input->p_fmt->i_cat != AUDIO_ES || p_sys->b_crypt_audio) &&
1632 (p_input->p_fmt->i_cat != VIDEO_ES || p_sys->b_crypt_video) )
1634 p_ts->i_flags |= BLOCK_FLAG_SCRAMBLED;
1639 BufferChainAppend( &chain_ts, p_ts );
1642 /* 4: date and send */
1643 TSSchedule( p_mux, &chain_ts, i_pcr_length, i_pcr_dts );
1647 #define STD_PES_PAYLOAD 170
1648 static block_t *FixPES( sout_mux_t *p_mux, block_fifo_t *p_fifo )
1653 p_data = block_FifoShow( p_fifo );
1654 i_size = p_data->i_buffer;
1656 if( i_size == STD_PES_PAYLOAD )
1658 return block_FifoGet( p_fifo );
1660 else if( i_size > STD_PES_PAYLOAD )
1662 block_t *p_new = block_New( p_mux, STD_PES_PAYLOAD );
1663 p_mux->p_libvlc->pf_memcpy( p_new->p_buffer, p_data->p_buffer, STD_PES_PAYLOAD );
1664 p_new->i_pts = p_data->i_pts;
1665 p_new->i_dts = p_data->i_dts;
1666 p_new->i_length = p_data->i_length * STD_PES_PAYLOAD
1668 p_data->i_buffer -= STD_PES_PAYLOAD;
1669 p_data->p_buffer += STD_PES_PAYLOAD;
1670 p_data->i_pts += p_new->i_length;
1671 p_data->i_dts += p_new->i_length;
1672 p_data->i_length -= p_new->i_length;
1673 p_data->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1681 p_data = block_FifoGet( p_fifo );
1682 p_data = block_Realloc( p_data, 0, STD_PES_PAYLOAD );
1683 p_next = block_FifoShow( p_fifo );
1684 if ( p_data->i_flags & BLOCK_FLAG_NO_KEYFRAME )
1686 p_data->i_flags &= ~BLOCK_FLAG_NO_KEYFRAME;
1687 p_data->i_pts = p_next->i_pts;
1688 p_data->i_dts = p_next->i_dts;
1690 i_copy = __MIN( STD_PES_PAYLOAD - i_size, p_next->i_buffer );
1692 p_mux->p_libvlc->pf_memcpy( &p_data->p_buffer[i_size], p_next->p_buffer,
1694 p_next->i_pts += p_next->i_length * i_copy / p_next->i_buffer;
1695 p_next->i_dts += p_next->i_length * i_copy / p_next->i_buffer;
1696 p_next->i_length -= p_next->i_length * i_copy / p_next->i_buffer;
1697 p_next->i_buffer -= i_copy;
1698 p_next->p_buffer += i_copy;
1699 p_next->i_flags |= BLOCK_FLAG_NO_KEYFRAME;
1701 if( !p_next->i_buffer )
1703 p_next = block_FifoGet( p_fifo );
1704 block_Release( p_next );
1710 static void TSSchedule( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1711 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1713 sout_mux_sys_t *p_sys = p_mux->p_sys;
1714 sout_buffer_chain_t new_chain;
1715 int i_packet_count = p_chain_ts->i_depth;
1718 BufferChainInit( &new_chain );
1720 if ( i_pcr_length <= 0 )
1722 i_pcr_length = i_packet_count;
1725 for( i = 0; i < i_packet_count; i++ )
1727 block_t *p_ts = BufferChainGet( p_chain_ts );
1728 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1730 BufferChainAppend( &new_chain, p_ts );
1733 p_ts->i_dts + p_sys->i_dts_delay * 2/3 < i_new_dts )
1735 mtime_t i_max_diff = i_new_dts - p_ts->i_dts;
1736 mtime_t i_cut_dts = p_ts->i_dts;
1738 p_ts = BufferChainPeek( p_chain_ts );
1740 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1741 while ( p_ts != NULL && i_new_dts - p_ts->i_dts >= i_max_diff )
1743 p_ts = BufferChainGet( p_chain_ts );
1744 i_max_diff = i_new_dts - p_ts->i_dts;
1745 i_cut_dts = p_ts->i_dts;
1746 BufferChainAppend( &new_chain, p_ts );
1748 p_ts = BufferChainPeek( p_chain_ts );
1750 i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1752 msg_Dbg( p_mux, "adjusting rate at "I64Fd"/"I64Fd" (%d/%d)",
1753 i_cut_dts - i_pcr_dts, i_pcr_length, new_chain.i_depth,
1754 p_chain_ts->i_depth );
1755 if ( new_chain.i_depth )
1756 TSDate( p_mux, &new_chain,
1757 i_cut_dts - i_pcr_dts,
1759 if ( p_chain_ts->i_depth )
1761 p_chain_ts, i_pcr_dts + i_pcr_length - i_cut_dts,
1767 if ( new_chain.i_depth )
1768 TSDate( p_mux, &new_chain, i_pcr_length, i_pcr_dts );
1771 static void TSDate( sout_mux_t *p_mux, sout_buffer_chain_t *p_chain_ts,
1772 mtime_t i_pcr_length, mtime_t i_pcr_dts )
1774 sout_mux_sys_t *p_sys = p_mux->p_sys;
1775 int i_packet_count = p_chain_ts->i_depth;
1778 if ( i_pcr_length / 1000 > 0 )
1780 int i_bitrate = ((uint64_t)i_packet_count * 188 * 8000)
1781 / (uint64_t)(i_pcr_length / 1000);
1782 if ( p_sys->i_bitrate_max && p_sys->i_bitrate_max < i_bitrate )
1784 msg_Warn( p_mux, "max bitrate exceeded at "I64Fd
1785 " (%d bi/s for %d pkt in "I64Fd" us)",
1786 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1787 i_bitrate, i_packet_count, i_pcr_length);
1792 msg_Dbg( p_mux, "starting at "I64Fd
1793 " (%d bi/s for %d packets in "I64Fd" us)",
1794 i_pcr_dts + p_sys->i_shaping_delay * 3 / 2 - mdate(),
1795 i_bitrate, i_packet_count, i_pcr_length);
1801 /* This shouldn't happen, but happens in some rare heavy load
1802 * and packet losses conditions. */
1803 i_pcr_length = i_packet_count;
1806 /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */
1807 for( i = 0; i < i_packet_count; i++ )
1809 block_t *p_ts = BufferChainGet( p_chain_ts );
1810 mtime_t i_new_dts = i_pcr_dts + i_pcr_length * i / i_packet_count;
1812 p_ts->i_dts = i_new_dts;
1813 p_ts->i_length = i_pcr_length / i_packet_count;
1815 if( p_ts->i_flags & BLOCK_FLAG_CLOCK )
1817 /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */
1818 TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay );
1820 if( p_ts->i_flags & BLOCK_FLAG_SCRAMBLED )
1822 csa_Encrypt( p_sys->csa, p_ts->p_buffer, p_sys->i_csa_pkt_size, 0 );
1826 p_ts->i_dts += p_sys->i_shaping_delay * 3 / 2;
1828 sout_AccessOutWrite( p_mux->p_access, p_ts );
1832 static block_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream,
1835 block_t *p_pes = p_stream->chain_pes.p_first;
1838 vlc_bool_t b_new_pes = VLC_FALSE;
1839 vlc_bool_t b_adaptation_field = VLC_FALSE;
1841 int i_payload_max = 184 - ( b_pcr ? 8 : 0 );
1844 if( p_stream->i_pes_used <= 0 )
1846 b_new_pes = VLC_TRUE;
1848 i_payload = __MIN( (int)p_pes->i_buffer - p_stream->i_pes_used,
1851 if( b_pcr || i_payload < i_payload_max )
1853 b_adaptation_field = VLC_TRUE;
1856 p_ts = block_New( p_mux, 188 );
1857 p_ts->i_dts = p_pes->i_dts;
1859 p_ts->p_buffer[0] = 0x47;
1860 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 ) |
1861 ( ( p_stream->i_pid >> 8 )&0x1f );
1862 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
1863 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 ) |
1864 p_stream->i_continuity_counter;
1866 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
1867 p_stream->b_discontinuity = (p_pes->i_flags & BLOCK_FLAG_DISCONTINUITY);
1869 if( b_adaptation_field )
1875 int i_stuffing = i_payload_max - i_payload;
1877 p_ts->i_flags |= BLOCK_FLAG_CLOCK;
1879 p_ts->p_buffer[4] = 7 + i_stuffing;
1880 p_ts->p_buffer[5] = 0x10; /* flags */
1881 if( p_stream->b_discontinuity )
1883 p_ts->p_buffer[5] |= 0x80; /* flag TS dicontinuity */
1884 p_stream->b_discontinuity = VLC_FALSE;
1886 p_ts->p_buffer[6] = ( 0 )&0xff;
1887 p_ts->p_buffer[7] = ( 0 )&0xff;
1888 p_ts->p_buffer[8] = ( 0 )&0xff;
1889 p_ts->p_buffer[9] = ( 0 )&0xff;
1890 p_ts->p_buffer[10]= ( ( 0 )&0x80 ) | 0x7e;
1891 p_ts->p_buffer[11]= 0;
1893 for( i = 12; i < 12 + i_stuffing; i++ )
1895 p_ts->p_buffer[i] = 0xff;
1900 int i_stuffing = i_payload_max - i_payload;
1902 p_ts->p_buffer[4] = i_stuffing - 1;
1903 if( i_stuffing > 1 )
1905 p_ts->p_buffer[5] = 0x00;
1906 for( i = 6; i < 6 + i_stuffing - 2; i++ )
1908 p_ts->p_buffer[i] = 0xff;
1915 memcpy( &p_ts->p_buffer[188 - i_payload],
1916 &p_pes->p_buffer[p_stream->i_pes_used], i_payload );
1918 p_stream->i_pes_used += i_payload;
1919 p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length *
1920 p_stream->i_pes_used / p_pes->i_buffer;
1921 p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_buffer;
1923 if( p_stream->i_pes_used >= (int)p_pes->i_buffer )
1925 p_pes = BufferChainGet( &p_stream->chain_pes );
1926 block_Release( p_pes );
1928 p_pes = p_stream->chain_pes.p_first;
1931 p_stream->i_pes_dts = p_pes->i_dts;
1932 p_stream->i_pes_length = 0;
1935 p_stream->i_pes_length += p_pes->i_length;
1937 p_pes = p_pes->p_next;
1942 p_stream->i_pes_dts = 0;
1943 p_stream->i_pes_length = 0;
1945 p_stream->i_pes_used = 0;
1951 static void TSSetPCR( block_t *p_ts, mtime_t i_dts )
1953 mtime_t i_pcr = 9 * i_dts / 100;
1955 p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff;
1956 p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff;
1957 p_ts->p_buffer[8] = ( i_pcr >> 9 )&0xff;
1958 p_ts->p_buffer[9] = ( i_pcr >> 1 )&0xff;
1959 p_ts->p_buffer[10]|= ( i_pcr << 7 )&0x80;
1963 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c,
1964 mtime_t i_length, int i_bitrate_min,
1967 sout_mux_sys_t *p_sys = p_mux->p_sys;
1968 sout_buffer_chain_t s = *c;
1971 int i_packets_min = 0;
1972 int i_packets_max = 0;
1979 i_packets = c->i_depth;
1980 i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000 + 187 ) / 188;
1981 i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000 + 187 ) / 188;
1983 if( i_packets < i_packets_min && i_packets_min > 0 )
1986 int i_div = ( i_packets_min - i_packets ) / i_packets;
1987 int i_mod = ( i_packets_min - i_packets ) % i_packets;
1990 /* We need to pad with null packets (pid=0x1fff)
1991 * We try to melt null packets with true packets */
1993 "packets=%d but min=%d -> adding %d packets of padding",
1994 i_packets, i_packets_min, i_packets_min - i_packets );
1996 BufferChainInit( c );
1997 while( ( p_pk = BufferChainGet( &s ) ) )
2001 BufferChainAppend( c, p_pk );
2003 i_null = i_div + ( i_rest + i_mod ) / i_packets;
2005 for( i = 0; i < i_null; i++ )
2009 p_null = sout_BufferNew( p_mux->p_sout, 188 );
2010 p_null->p_buffer[0] = 0x47;
2011 p_null->p_buffer[1] = 0x1f;
2012 p_null->p_buffer[2] = 0xff;
2013 p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter;
2014 memset( &p_null->p_buffer[4], 0, 184 );
2015 p_sys->i_null_continuity_counter =
2016 ( p_sys->i_null_continuity_counter + 1 ) % 16;
2018 BufferChainAppend( c, p_null );
2021 i_rest = ( i_rest + i_mod ) % i_packets;
2024 else if( i_packets > i_packets_max && i_packets_max > 0 )
2029 /* Arg, we need to drop packets, I don't do something clever (like
2030 * dropping complete pid, b frames, ... ), I just get the right amount
2031 * of packets and discard the others */
2033 "packets=%d but max=%d -> removing %d packets -> stream broken",
2034 i_packets, i_packets_max, i_packets - i_packets_max );
2036 BufferChainInit( c );
2037 for( i = 0; i < i_packets_max; i++ )
2039 BufferChainAppend( c, BufferChainGet( &s ) );
2042 while( ( p_pk = BufferChainGet( &s ) ) )
2044 sout_BufferDelete( p_mux->p_sout, p_pk );
2050 static void PEStoTS( sout_instance_t *p_sout,
2051 sout_buffer_chain_t *c, block_t *p_pes,
2052 ts_stream_t *p_stream )
2058 /* get PES total size */
2059 i_size = p_pes->i_buffer;
2060 p_data = p_pes->p_buffer;
2062 b_new_pes = VLC_TRUE;
2066 int b_adaptation_field;
2070 p_ts = block_New( p_sout, 188 );
2073 * 1b transport_error_indicator
2074 * 1b payload_unit_start
2075 * 1b transport_priority
2077 * 2b transport_scrambling_control
2078 * 2b if adaptation_field 0x03 else 0x01
2079 * 4b continuity_counter
2082 i_copy = __MIN( i_size, 184 );
2083 b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE;
2085 p_ts->p_buffer[0] = 0x47;
2086 p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|
2087 ( ( p_stream->i_pid >> 8 )&0x1f );
2088 p_ts->p_buffer[2] = p_stream->i_pid & 0xff;
2089 p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|
2090 p_stream->i_continuity_counter;
2092 b_new_pes = VLC_FALSE;
2093 p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16;
2095 if( b_adaptation_field )
2097 int i_stuffing = 184 - i_copy;
2100 p_ts->p_buffer[4] = i_stuffing - 1;
2101 if( i_stuffing > 1 )
2103 p_ts->p_buffer[5] = 0x00;
2104 if( p_stream->b_discontinuity )
2106 p_ts->p_buffer[5] |= 0x80;
2107 p_stream->b_discontinuity = VLC_FALSE;
2109 for( i = 6; i < 6 + i_stuffing - 2; i++ )
2111 p_ts->p_buffer[i] = 0xff;
2116 memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy );
2120 BufferChainAppend( c, p_ts );
2124 block_t *p_next = p_pes->p_next;
2126 p_pes->p_next = NULL;
2127 block_Release( p_pes );
2128 if( p_next == NULL )
2132 b_new_pes = VLC_TRUE;
2134 i_size = p_pes->i_buffer;
2135 p_data = p_pes->p_buffer;
2142 static block_t *WritePSISection( sout_instance_t *p_sout,
2143 dvbpsi_psi_section_t* p_section )
2145 block_t *p_psi, *p_first = NULL;
2151 i_size = (uint32_t)( p_section->p_payload_end - p_section->p_data )+
2152 ( p_section->b_syntax_indicator ? 4 : 0 );
2154 p_psi = block_New( p_sout, i_size + 1 );
2157 p_psi->i_length = 0;
2158 p_psi->i_buffer = i_size + 1;
2160 p_psi->p_buffer[0] = 0; /* pointer */
2161 memcpy( p_psi->p_buffer + 1,
2165 block_ChainAppend( &p_first, p_psi );
2167 p_section = p_section->p_next;
2173 static void GetPAT( sout_mux_t *p_mux,
2174 sout_buffer_chain_t *c )
2176 sout_mux_sys_t *p_sys = p_mux->p_sys;
2179 dvbpsi_psi_section_t *p_section;
2182 dvbpsi_InitPAT( &pat, p_sys->i_tsid, p_sys->i_pat_version_number,
2183 1 ); /* b_current_next */
2184 /* add all programs */
2185 for ( i = 0; i < p_sys->i_num_pmt; i++ )
2186 dvbpsi_PATAddProgram( &pat,
2187 p_sys->i_pmt_program_number[i],
2188 p_sys->pmt[i].i_pid );
2190 p_section = dvbpsi_GenPATSections( &pat,
2191 0 ); /* max program per section */
2193 p_pat = WritePSISection( p_mux->p_sout, p_section );
2195 PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat );
2197 dvbpsi_DeletePSISections( p_section );
2198 dvbpsi_EmptyPAT( &pat );
2201 static uint32_t GetDescriptorLength24b( int i_length )
2203 uint32_t i_l1, i_l2, i_l3;
2205 i_l1 = i_length&0x7f;
2206 i_l2 = ( i_length >> 7 )&0x7f;
2207 i_l3 = ( i_length >> 14 )&0x7f;
2209 return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 );
2212 static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c )
2214 sout_mux_sys_t *p_sys = p_mux->p_sys;
2215 block_t *p_pmt[MAX_PMT];
2219 dvbpsi_pmt_es_t *p_es;
2220 dvbpsi_psi_section_t *p_section[MAX_PMT], *p_section2;
2221 dvbpsi_sdt_service_t *p_service;
2227 int *p_usepid = NULL;
2229 if( p_sys->dvbpmt == NULL )
2230 p_sys->dvbpmt = malloc( p_sys->i_num_pmt * sizeof(dvbpsi_pmt_t) );
2231 #ifdef HAVE_DVBPSI_SDT
2233 dvbpsi_InitSDT( &sdt, p_sys->i_tsid, 1, 1, p_sys->i_netid );
2236 for( i = 0; i < p_sys->i_num_pmt; i++ )
2238 dvbpsi_InitPMT( &p_sys->dvbpmt[i],
2239 p_sys->i_pmt_program_number[i], /* program number */
2240 p_sys->i_pmt_version_number,
2241 1, /* b_current_next */
2244 #ifdef HAVE_DVBPSI_SDT
2247 p_service = dvbpsi_SDTAddService( &sdt,
2248 p_sys->i_pmt_program_number[i], /* service id */
2249 0, /* eit schedule */
2250 0, /* eit present */
2251 4, /* running status ("4=RUNNING") */
2254 #define psz_sdtprov p_sys->sdt_descriptors[i].psz_provider
2255 #define psz_sdtserv p_sys->sdt_descriptors[i].psz_service_name
2257 /* FIXME: Ineffecient malloc's & ugly code...... */
2258 if( psz_sdtprov != NULL && psz_sdtserv != NULL )
2260 psz_sdt_desc = malloc( 3 + strlen(psz_sdtprov)
2261 + strlen(psz_sdtserv) );
2262 psz_sdt_desc[0] = 0x01; /* digital television service */
2264 /* service provider name length */
2265 psz_sdt_desc[1] = (char)strlen(psz_sdtprov);
2266 memcpy( &psz_sdt_desc[2], psz_sdtprov, strlen(psz_sdtprov) );
2268 /* service name length */
2269 psz_sdt_desc[ 2 + strlen(psz_sdtprov) ]
2270 = (char)strlen(psz_sdtserv);
2271 memcpy( &psz_sdt_desc[3+strlen(psz_sdtprov)], psz_sdtserv,
2272 strlen(psz_sdtserv) );
2274 dvbpsi_SDTServiceAddDescriptor( p_service, 0x48,
2275 3 + strlen(psz_sdtprov) + strlen(psz_sdtserv),
2277 free( psz_sdt_desc );
2285 if( p_sys->i_mpeg4_streams > 0 )
2289 bits_buffer_t bits_fix_IOD;
2291 /* Make valgrind happy : it works at byte level not bit one so
2292 * bit_write confuse it (but DON'T CHANGE the way that bit_write is
2293 * working (needed when fixing some bits) */
2294 memset( iod, 0, 4096 );
2296 bits_initwrite( &bits, 4096, iod );
2297 /* IOD_label_scope */
2298 bits_write( &bits, 8, 0x11 );
2300 bits_write( &bits, 8, 0x01 );
2301 /* InitialObjectDescriptor */
2302 bits_align( &bits );
2303 bits_write( &bits, 8, 0x02 ); /* tag */
2304 bits_fix_IOD = bits; /* save states to fix length later */
2305 bits_write( &bits, 24,
2306 GetDescriptorLength24b( 0 ) ); /* variable length (fixed later) */
2307 bits_write( &bits, 10, 0x01 ); /* ObjectDescriptorID */
2308 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2309 bits_write( &bits, 1, 0x00 ); /* includeInlineProfileLevelFlag */
2310 bits_write( &bits, 4, 0x0f ); /* reserved */
2311 bits_write( &bits, 8, 0xff ); /* ODProfile (no ODcapability ) */
2312 bits_write( &bits, 8, 0xff ); /* sceneProfile */
2313 bits_write( &bits, 8, 0xfe ); /* audioProfile (unspecified) */
2314 bits_write( &bits, 8, 0xfe ); /* visualProfile( // ) */
2315 bits_write( &bits, 8, 0xff ); /* graphicProfile (no ) */
2316 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2318 ts_stream_t *p_stream;
2319 p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys;
2321 if( p_stream->i_stream_id == 0xfa ||
2322 p_stream->i_stream_id == 0xfb ||
2323 p_stream->i_stream_id == 0xfe )
2325 bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder;
2327 bits_align( &bits );
2328 bits_write( &bits, 8, 0x03 ); /* ES_DescrTag */
2329 bits_fix_ESDescr = bits;
2330 bits_write( &bits, 24,
2331 GetDescriptorLength24b( 0 ) ); /* variable size */
2332 bits_write( &bits, 16, p_stream->i_es_id );
2333 bits_write( &bits, 1, 0x00 ); /* streamDependency */
2334 bits_write( &bits, 1, 0x00 ); /* URL Flag */
2335 bits_write( &bits, 1, 0x00 ); /* OCRStreamFlag */
2336 bits_write( &bits, 5, 0x1f ); /* streamPriority */
2338 /* DecoderConfigDesciptor */
2339 bits_align( &bits );
2340 bits_write( &bits, 8, 0x04 ); /* DecoderConfigDescrTag */
2341 bits_fix_Decoder = bits;
2342 bits_write( &bits, 24, GetDescriptorLength24b( 0 ) );
2343 if( p_stream->i_stream_type == 0x10 )
2345 bits_write( &bits, 8, 0x20 ); /* Visual 14496-2 */
2346 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2348 else if( p_stream->i_stream_type == 0x1b )
2350 bits_write( &bits, 8, 0x21 ); /* Visual 14496-2 */
2351 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2353 else if( p_stream->i_stream_type == 0x11 || p_stream->i_stream_type == 0x0f )
2355 bits_write( &bits, 8, 0x40 ); /* Audio 14496-3 */
2356 bits_write( &bits, 6, 0x05 ); /* AudioStream */
2358 else if( p_stream->i_stream_type == 0x12 &&
2359 p_stream->i_codec == VLC_FOURCC('s','u','b','t') )
2361 bits_write( &bits, 8, 0x0B ); /* Text Stream */
2362 bits_write( &bits, 6, 0x04 ); /* VisualStream */
2366 bits_write( &bits, 8, 0x00 );
2367 bits_write( &bits, 6, 0x00 );
2369 msg_Err( p_mux->p_sout,"Unsupported stream_type => "
2372 bits_write( &bits, 1, 0x00 ); /* UpStream */
2373 bits_write( &bits, 1, 0x01 ); /* reserved */
2374 bits_write( &bits, 24, 1024 * 1024 ); /* bufferSizeDB */
2375 bits_write( &bits, 32, 0x7fffffff ); /* maxBitrate */
2376 bits_write( &bits, 32, 0 ); /* avgBitrate */
2378 if( p_stream->i_decoder_specific_info > 0 )
2381 /* DecoderSpecificInfo */
2382 bits_align( &bits );
2383 bits_write( &bits, 8, 0x05 ); /* tag */
2384 bits_write( &bits, 24, GetDescriptorLength24b(
2385 p_stream->i_decoder_specific_info ) );
2386 for( i = 0; i < p_stream->i_decoder_specific_info; i++ )
2388 bits_write( &bits, 8,
2389 ((uint8_t*)p_stream->p_decoder_specific_info)[i] );
2392 /* fix Decoder length */
2393 bits_write( &bits_fix_Decoder, 24,
2394 GetDescriptorLength24b( bits.i_data -
2395 bits_fix_Decoder.i_data - 3 ) );
2397 /* SLConfigDescriptor : predefined (0x01) */
2398 bits_align( &bits );
2399 bits_write( &bits, 8, 0x06 ); /* tag */
2400 bits_write( &bits, 24, GetDescriptorLength24b( 8 ) );
2401 bits_write( &bits, 8, 0x01 );/* predefined */
2402 bits_write( &bits, 1, 0 ); /* durationFlag */
2403 bits_write( &bits, 32, 0 ); /* OCRResolution */
2404 bits_write( &bits, 8, 0 ); /* OCRLength */
2405 bits_write( &bits, 8, 0 ); /* InstantBitrateLength */
2406 bits_align( &bits );
2408 /* fix ESDescr length */
2409 bits_write( &bits_fix_ESDescr, 24,
2410 GetDescriptorLength24b( bits.i_data -
2411 bits_fix_ESDescr.i_data - 3 ) );
2414 bits_align( &bits );
2415 /* fix IOD length */
2416 bits_write( &bits_fix_IOD, 24,
2417 GetDescriptorLength24b( bits.i_data -
2418 bits_fix_IOD.i_data - 3 ) );
2420 #if 0//def HAVE_BSEARCH /* FIXME!!! This can't possibly work */
2421 i_pidinput = p_mux->pp_inputs[i]->p_fmt->i_id;
2422 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2423 sizeof(pmt_map_t), intcompare );
2424 p_usepid = bsearch( &p_usepid, p_sys->pmtmap, p_sys->i_num_pmt,
2425 sizeof(pmt_map_t), pmtcompare );
2426 if( p_usepid != NULL )
2427 dvbpsi_PMTAddDescriptor(
2428 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog], 0x1d,
2429 bits.i_data, bits.p_data );
2431 msg_Err( p_mux, "Received an unmapped PID" );
2433 dvbpsi_PMTAddDescriptor( &p_sys->dvbpmt[0], 0x1d, bits.i_data,
2438 for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ )
2440 ts_stream_t *p_stream;
2442 p_stream = (ts_stream_t *)p_mux->pp_inputs[i_stream]->p_sys;
2445 i_pidinput = p_mux->pp_inputs[i_stream]->p_fmt->i_id;
2446 p_usepid = bsearch( &i_pidinput, p_sys->pmtmap, p_sys->i_pmtslots,
2447 sizeof(pmt_map_t), intcompare );
2449 if( p_usepid != NULL )
2450 p_es = dvbpsi_PMTAddES(
2451 &p_sys->dvbpmt[((pmt_map_t *)p_usepid)->i_prog],
2452 p_stream->i_stream_type, p_stream->i_pid );
2454 /* If there's an error somewhere, dump it to the first pmt */
2456 p_es = dvbpsi_PMTAddES( &p_sys->dvbpmt[0], p_stream->i_stream_type,
2459 if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb )
2464 es_id[0] = (p_stream->i_es_id >> 8)&0xff;
2465 es_id[1] = (p_stream->i_es_id)&0xff;
2466 dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id );
2468 else if( p_stream->i_stream_type == 0xa0 )
2471 int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 );
2473 /* private DIV3 descripor */
2474 memcpy( &data[0], &p_stream->i_bih_codec, 4 );
2475 data[4] = ( p_stream->i_bih_width >> 8 )&0xff;
2476 data[5] = ( p_stream->i_bih_width )&0xff;
2477 data[6] = ( p_stream->i_bih_height>> 8 )&0xff;
2478 data[7] = ( p_stream->i_bih_height )&0xff;
2479 data[8] = ( i_extra >> 8 )&0xff;
2480 data[9] = ( i_extra )&0xff;
2483 memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra );
2486 /* 0xa0 is private */
2487 dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data );
2489 else if( p_stream->i_stream_type == 0x81 )
2491 uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 };
2493 /* "registration" descriptor : "AC-3" */
2494 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format );
2496 else if( p_stream->i_codec == VLC_FOURCC('d','t','s',' ') )
2498 /* DTS registration descriptor (ETSI TS 101 154 Annex F) */
2500 /* DTS format identifier, frame size 1024 - FIXME */
2501 uint8_t data[4] = { 0x44, 0x54, 0x53, 0x32 };
2502 dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, data );
2504 else if( p_stream->i_codec == VLC_FOURCC('t','e','l','x') )
2506 if( p_stream->i_decoder_specific_info )
2508 dvbpsi_PMTESAddDescriptor( p_es, 0x56,
2509 p_stream->i_decoder_specific_info,
2510 p_stream->p_decoder_specific_info );
2514 else if( p_stream->i_codec == VLC_FOURCC('d','v','b','s') )
2517 if( p_stream->i_decoder_specific_info )
2519 /* pass-through from the TS demux */
2520 dvbpsi_PMTESAddDescriptor( p_es, 0x59,
2521 p_stream->i_decoder_specific_info,
2522 p_stream->p_decoder_specific_info );
2524 #ifdef _DVBPSI_DR_59_H_
2527 /* from the dvbsub transcoder */
2528 dvbpsi_subtitling_dr_t descr;
2529 dvbpsi_subtitle_t sub;
2530 dvbpsi_descriptor_t *p_descr;
2532 memcpy( sub.i_iso6392_language_code, p_stream->lang, 3 );
2533 sub.i_subtitling_type = 0x10; /* no aspect-ratio criticality */
2534 sub.i_composition_page_id = p_stream->i_es_id & 0xFF;
2535 sub.i_ancillary_page_id = p_stream->i_es_id >> 16;
2537 descr.i_subtitles_number = 1;
2538 descr.p_subtitle[0] = sub;
2540 p_descr = dvbpsi_GenSubtitlingDr( &descr, 0 );
2541 /* Work around bug in old libdvbpsi */ p_descr->i_length = 8;
2542 dvbpsi_PMTESAddDescriptor( p_es, p_descr->i_tag,
2543 p_descr->i_length, p_descr->p_data );
2545 #endif /* _DVBPSI_DR_59_H_ */
2549 if( p_stream->lang[0] != 0 )
2551 uint8_t data[4*p_stream->i_langs];
2553 /* I construct the content myself, way faster than looking at
2554 * over complicated/mind broken libdvbpsi way */
2555 for(i = 0; i < p_stream->i_langs; i++ )
2557 data[i*4+0] = p_stream->lang[i*3+0];
2558 data[i*4+1] = p_stream->lang[i*3+1];
2559 data[i*4+2] = p_stream->lang[i*3+2];
2560 data[i*4+3] = 0x00; /* audio type: 0x00 undefined */
2562 dvbpsi_PMTESAddDescriptor( p_es, 0x0a, 4*p_stream->i_langs, data );
2566 for( i = 0; i < p_sys->i_num_pmt; i++ )
2568 p_section[i] = dvbpsi_GenPMTSections( &p_sys->dvbpmt[i] );
2569 p_pmt[i] = WritePSISection( p_mux->p_sout, p_section[i] );
2570 PEStoTS( p_mux->p_sout, c, p_pmt[i], &p_sys->pmt[i] );
2571 dvbpsi_DeletePSISections( p_section[i] );
2572 dvbpsi_EmptyPMT( &p_sys->dvbpmt[i] );
2575 #ifdef HAVE_DVBPSI_SDT
2578 p_section2 = dvbpsi_GenSDTSections( &sdt );
2579 p_sdt = WritePSISection( p_mux->p_sout, p_section2 );
2580 PEStoTS( p_mux->p_sout, c, p_sdt, &p_sys->sdt );
2581 dvbpsi_DeletePSISections( p_section2 );
2582 dvbpsi_EmptySDT( &sdt );