/***************************************************************************** * ts.c: Transport Stream input module for VLC. ***************************************************************************** * Copyright (C) 2004-2005 VLC authors and VideoLAN * $Id$ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * Jean-Paul Saman <jpsaman #_at_# m2x.nl> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include <vlc_common.h> #include <vlc_plugin.h> #include <assert.h> #include <time.h> #include <vlc_access.h> /* DVB-specific things */ #include <vlc_demux.h> #include <vlc_meta.h> #include <vlc_epg.h> #include <vlc_charset.h> /* FromCharset, for EIT */ #include "../mux/mpeg/csa.h" /* Include dvbpsi headers */ # include <dvbpsi/dvbpsi.h> # include <dvbpsi/demux.h> # include <dvbpsi/descriptor.h> # include <dvbpsi/pat.h> # include <dvbpsi/pmt.h> # include <dvbpsi/sdt.h> # include <dvbpsi/dr.h> # include <dvbpsi/psi.h> /* EIT support */ # include <dvbpsi/eit.h> /* TDT support */ # include <dvbpsi/tot.h> #include "../mux/mpeg/dvbpsi_compat.h" #undef TS_DEBUG VLC_FORMAT(1, 2) static void ts_debug(const char *format, ...) { #ifdef TS_DEBUG va_list ap; va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap); #else (void)format; #endif } #ifdef HAVE_ARIBB24 #include <aribb24/aribb24.h> #include <aribb24/decoder.h> #endif typedef enum arib_modes_e { ARIBMODE_AUTO = -1, ARIBMODE_DISABLED = 0, ARIBMODE_ENABLED = 1 } arib_modes_e; /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close ( vlc_object_t * ); /* TODO * - Rename "extra pmt" to "user pmt" * - Update extra pmt description * pmt_pid[:pmt_number][=pid_description[,pid_description]] * where pid_description could take 3 forms: * 1. pid:pcr (to force the pcr pid) * 2. pid:stream_type * 3. pid:type=fourcc where type=(video|audio|spu) */ #define PMT_TEXT N_("Extra PMT") #define PMT_LONGTEXT N_( \ "Allows a user to specify an extra pmt (pmt_pid=pid:stream_type[,...])." ) #define PID_TEXT N_("Set id of ES to PID") #define PID_LONGTEXT N_("Set the internal ID of each elementary stream" \ " handled by VLC to the same value as the PID in" \ " the TS stream, instead of 1, 2, 3, etc. Useful to" \ " do \'#duplicate{..., select=\"es=<pid>\"}\'.") #define CSA_TEXT N_("CSA Key") #define CSA_LONGTEXT N_("CSA encryption key. This must be a " \ "16 char string (8 hexadecimal bytes).") #define CSA2_TEXT N_("Second CSA Key") #define CSA2_LONGTEXT N_("The even CSA encryption key. This must be a " \ "16 char string (8 hexadecimal bytes).") #define CPKT_TEXT N_("Packet size in bytes to decrypt") #define CPKT_LONGTEXT N_("Specify the size of the TS packet to decrypt. " \ "The decryption routines subtract the TS-header from the value before " \ "decrypting. " ) #define SPLIT_ES_TEXT N_("Separate sub-streams") #define SPLIT_ES_LONGTEXT N_( \ "Separate teletex/dvbs pages into independent ES. " \ "It can be useful to turn off this option when using stream output." ) #define SEEK_PERCENT_TEXT N_("Seek based on percent not time") #define SEEK_PERCENT_LONGTEXT N_( \ "Seek and position based on a percent byte position, not a PCR generated " \ "time position. If seeking doesn't work property, turn on this option." ) #define PCR_TEXT N_("Trust in-stream PCR") #define PCR_LONGTEXT N_("Use the stream PCR as a reference.") static const int const arib_mode_list[] = { ARIBMODE_AUTO, ARIBMODE_ENABLED, ARIBMODE_DISABLED }; static const char *const arib_mode_list_text[] = { N_("Auto"), N_("Enabled"), N_("Disabled") }; #define SUPPORT_ARIB_TEXT N_("ARIB STD-B24 mode") #define SUPPORT_ARIB_LONGTEXT N_( \ "Forces ARIB STD-B24 mode for decoding characters." \ "This feature affects EPG information and subtitles." ) vlc_module_begin () set_description( N_("MPEG Transport Stream demuxer") ) set_shortname ( "MPEG-TS" ) set_category( CAT_INPUT ) set_subcategory( SUBCAT_INPUT_DEMUX ) add_string( "ts-extra-pmt", NULL, PMT_TEXT, PMT_LONGTEXT, true ) add_bool( "ts-trust-pcr", true, PCR_TEXT, PCR_LONGTEXT, true ) change_safe() add_bool( "ts-es-id-pid", true, PID_TEXT, PID_LONGTEXT, true ) change_safe() add_obsolete_string( "ts-out" ) /* since 2.2.0 */ add_obsolete_integer( "ts-out-mtu" ) /* since 2.2.0 */ add_string( "ts-csa-ck", NULL, CSA_TEXT, CSA_LONGTEXT, true ) change_safe() add_string( "ts-csa2-ck", NULL, CSA2_TEXT, CSA2_LONGTEXT, true ) change_safe() add_integer( "ts-csa-pkt", 188, CPKT_TEXT, CPKT_LONGTEXT, true ) change_safe() add_bool( "ts-split-es", true, SPLIT_ES_TEXT, SPLIT_ES_LONGTEXT, false ) add_bool( "ts-seek-percent", false, SEEK_PERCENT_TEXT, SEEK_PERCENT_LONGTEXT, true ) add_integer( "ts-arib", ARIBMODE_AUTO, SUPPORT_ARIB_TEXT, SUPPORT_ARIB_LONGTEXT, false ) change_integer_list( arib_mode_list, arib_mode_list_text ) add_obsolete_bool( "ts-silent" ); set_capability( "demux", 10 ) set_callbacks( Open, Close ) add_shortcut( "ts" ) vlc_module_end () /***************************************************************************** * Local prototypes *****************************************************************************/ static const char *const ppsz_teletext_type[] = { "", N_("Teletext"), N_("Teletext subtitles"), N_("Teletext: additional information"), N_("Teletext: program schedule"), N_("Teletext subtitles: hearing impaired") }; typedef struct { uint8_t i_objectTypeIndication; uint8_t i_streamType; int i_extra; uint8_t *p_extra; } decoder_config_descriptor_t; typedef struct { bool b_ok; uint16_t i_es_id; char *psz_url; decoder_config_descriptor_t dec_descr; } es_mpeg4_descriptor_t; #define ES_DESCRIPTOR_COUNT 255 typedef struct { /* IOD */ char *psz_url; es_mpeg4_descriptor_t es_descr[ES_DESCRIPTOR_COUNT]; } iod_descriptor_t; typedef struct { dvbpsi_handle handle; int i_version; int i_number; int i_pid_pcr; int i_pid_pmt; mtime_t i_pcr_value; /* IOD stuff (mpeg4) */ iod_descriptor_t *iod; } ts_prg_psi_t; typedef struct { /* for special PAT/SDT case */ dvbpsi_handle handle; /* PAT/SDT/EIT */ int i_pat_version; int i_sdt_version; /* For PMT */ int i_prg; ts_prg_psi_t **prg; } ts_psi_t; typedef enum { TS_ES_DATA_PES, TS_ES_DATA_TABLE_SECTION } ts_es_data_type_t; typedef enum { TS_PMT_REGISTRATION_NONE = 0, TS_PMT_REGISTRATION_HDMV } ts_pmt_registration_type_t; typedef struct { es_format_t fmt; es_out_id_t *id; ts_es_data_type_t data_type; int i_data_size; int i_data_gathered; block_t *p_data; block_t **pp_last; es_mpeg4_descriptor_t *p_mpeg4desc; } ts_es_t; typedef struct { int i_pid; bool b_seen; bool b_valid; int i_cc; /* countinuity counter */ bool b_scrambled; /* PSI owner (ie PMT -> PAT, ES -> PMT */ ts_psi_t *p_owner; int i_owner_number; /* */ ts_psi_t *psi; ts_es_t *es; /* Some private streams encapsulate several ES (eg. DVB subtitles)*/ ts_es_t **extra_es; int i_extra_es; } ts_pid_t; struct demux_sys_t { vlc_mutex_t csa_lock; /* TS packet size (188, 192, 204) */ int i_packet_size; /* Additional TS packet header size (BluRay TS packets have 4-byte header before sync byte) */ int i_packet_header_size; /* how many TS packet we read at once */ int i_ts_read; /* to determine length and time */ int i_pid_ref_pcr; mtime_t i_first_pcr; mtime_t i_current_pcr; mtime_t i_last_pcr; bool b_force_seek_per_percent; int i_pcrs_num; mtime_t *p_pcrs; int64_t *p_pos; struct { arib_modes_e e_mode; #ifdef HAVE_ARIBB24 arib_instance_t *p_instance; #endif } arib; /* All pid */ ts_pid_t pid[8192]; /* All PMT */ bool b_user_pmt; int i_pmt; ts_pid_t **pmt; int i_pmt_es; /* */ bool b_es_id_pid; csa_t *csa; int i_csa_pkt_size; bool b_split_es; bool b_trust_pcr; /* */ bool b_access_control; /* */ bool b_dvb_meta; int64_t i_tdt_delta; int64_t i_dvb_start; int64_t i_dvb_length; bool b_broken_charset; /* True if broken encoding is used in EPG/SDT */ /* */ int i_current_program; vlc_list_t programs_list; /* */ bool b_start_record; }; static int Demux ( demux_t *p_demux ); static int Control( demux_t *p_demux, int i_query, va_list args ); static void PIDInit ( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner ); static void PIDClean( demux_t *, ts_pid_t *pid ); static void PIDFillFormat( es_format_t *fmt, int i_stream_type ); static void PATCallBack( void*, dvbpsi_pat_t * ); static void PMTCallBack( void *data, dvbpsi_pmt_t *p_pmt ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) static void PSINewTableCallBack( dvbpsi_t *handle, uint8_t i_table_id, uint16_t i_extension, demux_t * ); #else static void PSINewTableCallBack( demux_t *, dvbpsi_handle, uint8_t i_table_id, uint16_t i_extension ); #endif static int ChangeKeyCallback( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); static inline int PIDGet( block_t *p ) { return ( (p->p_buffer[1]&0x1f)<<8 )|p->p_buffer[2]; } static bool GatherData( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk ); static block_t* ReadTSPacket( demux_t *p_demux ); static int Seek( demux_t *p_demux, double f_percent ); static void GetFirstPCR( demux_t *p_demux ); static void GetLastPCR( demux_t *p_demux ); static void CheckPCR( demux_t *p_demux ); static void PCRHandle( demux_t *p_demux, ts_pid_t *, block_t * ); static void IODFree( iod_descriptor_t * ); #define TS_USER_PMT_NUMBER (0) static int UserPmt( demux_t *p_demux, const char * ); static int SetPIDFilter( demux_t *, int i_pid, bool b_selected ); static void SetPrgFilter( demux_t *, int i_prg, bool b_selected ); #define TS_PACKET_SIZE_188 188 #define TS_PACKET_SIZE_192 192 #define TS_PACKET_SIZE_204 204 #define TS_PACKET_SIZE_MAX 204 static int DetectPacketSize( demux_t *p_demux, int *pi_header_size ) { const uint8_t *p_peek; if( stream_Peek( p_demux->s, &p_peek, TS_PACKET_SIZE_MAX ) < TS_PACKET_SIZE_MAX ) return -1; *pi_header_size = 0; if( memcmp( p_peek, "TFrc", 4 ) == 0 ) { #if 0 /* I used the TF5000PVR 2004 Firmware .doc header documentation, * http://www.i-topfield.com/data/product/firmware/Structure%20of%20Recorded%20File%20in%20TF5000PVR%20(Feb%2021%202004).doc * but after the filename the offsets seem to be incorrect. - DJ */ int i_duration, i_name; char *psz_name = xmalloc(25); char *psz_event_name; char *psz_event_text = xmalloc(130); char *psz_ext_text = xmalloc(1025); // 2 bytes version Uimsbf (4,5) // 2 bytes reserved (6,7) // 2 bytes duration in minutes Uimsbf (8,9( i_duration = (int) (p_peek[8] << 8) | p_peek[9]; msg_Dbg( p_demux, "Topfield recording length: +/- %d minutes", i_duration); // 2 bytes service number in channel list (10, 11) // 2 bytes service type Bslbf 0=TV 1=Radio Bslb (12, 13) // 4 bytes of reserved + tuner info (14,15,16,17) // 2 bytes of Service ID Bslbf (18,19) // 2 bytes of PMT PID Uimsbf (20,21) // 2 bytes of PCR PID Uimsbf (22,23) // 2 bytes of Video PID Uimsbf (24,25) // 2 bytes of Audio PID Uimsbf (26,27) // 24 bytes filename Bslbf memcpy( psz_name, &p_peek[28], 24 ); psz_name[24] = '\0'; msg_Dbg( p_demux, "recordingname=%s", psz_name ); // 1 byte of sat index Uimsbf (52) // 3 bytes (1 bit of polarity Bslbf +23 bits reserved) // 4 bytes of freq. Uimsbf (56,57,58,59) // 2 bytes of symbol rate Uimsbf (60,61) // 2 bytes of TS stream ID Uimsbf (62,63) // 4 bytes reserved // 2 bytes reserved // 2 bytes duration Uimsbf (70,71) //i_duration = (int) (p_peek[70] << 8) | p_peek[71]; //msg_Dbg( p_demux, "Topfield 2nd duration field: +/- %d minutes", i_duration); // 4 bytes EventID Uimsbf (72-75) // 8 bytes of Start and End time info (76-83) // 1 byte reserved (84) // 1 byte event name length Uimsbf (89) i_name = (int)(p_peek[89]&~0x81); msg_Dbg( p_demux, "event name length = %d", i_name); psz_event_name = xmalloc( i_name+1 ); // 1 byte parental rating (90) // 129 bytes of event text memcpy( psz_event_name, &p_peek[91], i_name ); psz_event_name[i_name] = '\0'; memcpy( psz_event_text, &p_peek[91+i_name], 129-i_name ); psz_event_text[129-i_name] = '\0'; msg_Dbg( p_demux, "event name=%s", psz_event_name ); msg_Dbg( p_demux, "event text=%s", psz_event_text ); // 12 bytes reserved (220) // 6 bytes reserved // 2 bytes Event Text Length Uimsbf // 4 bytes EventID Uimsbf // FIXME We just have 613 bytes. not enough for this entire text // 1024 bytes Extended Event Text Bslbf memcpy( psz_ext_text, p_peek+372, 1024 ); psz_ext_text[1024] = '\0'; msg_Dbg( p_demux, "extended event text=%s", psz_ext_text ); // 52 bytes reserved Bslbf #endif msg_Dbg( p_demux, "this is a topfield file" ); return TS_PACKET_SIZE_188; } for( int i_sync = 0; i_sync < TS_PACKET_SIZE_MAX; i_sync++ ) { if( p_peek[i_sync] != 0x47 ) continue; /* Check next 3 sync bytes */ int i_peek = TS_PACKET_SIZE_MAX * 3 + i_sync + 1; if( ( stream_Peek( p_demux->s, &p_peek, i_peek ) ) < i_peek ) { msg_Err( p_demux, "cannot peek" ); return -1; } if( p_peek[i_sync + 1 * TS_PACKET_SIZE_188] == 0x47 && p_peek[i_sync + 2 * TS_PACKET_SIZE_188] == 0x47 && p_peek[i_sync + 3 * TS_PACKET_SIZE_188] == 0x47 ) { return TS_PACKET_SIZE_188; } else if( p_peek[i_sync + 1 * TS_PACKET_SIZE_192] == 0x47 && p_peek[i_sync + 2 * TS_PACKET_SIZE_192] == 0x47 && p_peek[i_sync + 3 * TS_PACKET_SIZE_192] == 0x47 ) { if( i_sync == 4 ) { *pi_header_size = 4; /* BluRay TS packets have 4-byte header */ } return TS_PACKET_SIZE_192; } else if( p_peek[i_sync + 1 * TS_PACKET_SIZE_204] == 0x47 && p_peek[i_sync + 2 * TS_PACKET_SIZE_204] == 0x47 && p_peek[i_sync + 3 * TS_PACKET_SIZE_204] == 0x47 ) { return TS_PACKET_SIZE_204; } } if( p_demux->b_force ) { msg_Warn( p_demux, "this does not look like a TS stream, continuing" ); return TS_PACKET_SIZE_188; } msg_Dbg( p_demux, "TS module discarded (lost sync)" ); return -1; } #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) static void vlc_dvbpsi_reset( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; ts_pid_t *pat = &p_sys->pid[0]; ts_pid_t *sdt = &p_sys->pid[0x11]; ts_pid_t *eit = &p_sys->pid[0x12]; ts_pid_t *tdt = &p_sys->pid[0x14]; if( pat->psi->handle ) { if( dvbpsi_decoder_present( pat->psi->handle ) ) dvbpsi_pat_detach( pat->psi->handle ); dvbpsi_delete( pat->psi->handle ); pat->psi->handle = NULL; } if( sdt->psi->handle ) { if( dvbpsi_decoder_present( sdt->psi->handle ) ) dvbpsi_DetachDemux( sdt->psi->handle ); dvbpsi_delete( sdt->psi->handle ); sdt->psi->handle = NULL; } if( eit->psi->handle ) { if( dvbpsi_decoder_present( eit->psi->handle ) ) dvbpsi_DetachDemux( eit->psi->handle ); dvbpsi_delete( eit->psi->handle ); eit->psi->handle = NULL; } if( tdt->psi->handle ) { if( dvbpsi_decoder_present( tdt->psi->handle ) ) dvbpsi_DetachDemux( tdt->psi->handle ); dvbpsi_delete( tdt->psi->handle ); tdt->psi->handle = NULL; } } #endif /***************************************************************************** * Open *****************************************************************************/ static int Open( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; int i_packet_size, i_packet_header_size = 0; ts_pid_t *pat; /* Search first sync byte */ i_packet_size = DetectPacketSize( p_demux, &i_packet_header_size ); if( i_packet_size < 0 ) return VLC_EGENERIC; p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) ); if( !p_sys ) return VLC_ENOMEM; memset( p_sys, 0, sizeof( demux_sys_t ) ); vlc_mutex_init( &p_sys->csa_lock ); p_demux->pf_demux = Demux; p_demux->pf_control = Control; /* Init p_sys field */ p_sys->b_dvb_meta = true; p_sys->b_access_control = true; p_sys->i_current_program = 0; p_sys->programs_list.i_count = 0; p_sys->programs_list.p_values = NULL; p_sys->i_tdt_delta = 0; p_sys->i_dvb_start = 0; p_sys->i_dvb_length = 0; p_sys->b_broken_charset = false; for( int i = 0; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; pid->i_pid = i; pid->b_seen = false; pid->b_valid = false; } /* PID 8191 is padding */ p_sys->pid[8191].b_seen = true; p_sys->i_packet_size = i_packet_size; p_sys->i_packet_header_size = i_packet_header_size; p_sys->i_ts_read = 50; p_sys->csa = NULL; p_sys->b_start_record = false; #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) # define VLC_DVBPSI_DEMUX_TABLE_INIT(table,obj) \ do { \ (table)->psi->handle = dvbpsi_new( &dvbpsi_messages, DVBPSI_MSG_DEBUG ); \ if( ! (table)->psi->handle ) \ { \ vlc_mutex_destroy( &p_sys->csa_lock ); \ free( p_sys ); \ return VLC_ENOMEM; \ } \ (table)->psi->handle->p_sys = (void *) VLC_OBJECT(obj); \ if( !dvbpsi_AttachDemux( (table)->psi->handle, (dvbpsi_demux_new_cb_t)PSINewTableCallBack, (obj) ) ) \ { \ vlc_dvbpsi_reset( obj ); \ vlc_mutex_destroy( &p_sys->csa_lock ); \ free( p_sys ); \ return VLC_EGENERIC; \ } \ } while (0); #endif /* Init PAT handler */ pat = &p_sys->pid[0]; PIDInit( pat, true, NULL ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) pat->psi->handle = dvbpsi_new( &dvbpsi_messages, DVBPSI_MSG_DEBUG ); if( !pat->psi->handle ) { vlc_mutex_destroy( &p_sys->csa_lock ); free( p_sys ); return VLC_ENOMEM; } pat->psi->handle->p_sys = (void *) p_demux; if( !dvbpsi_pat_attach( pat->psi->handle, PATCallBack, p_demux ) ) { vlc_dvbpsi_reset( p_demux ); vlc_mutex_destroy( &p_sys->csa_lock ); free( p_sys ); return VLC_EGENERIC; } #else pat->psi->handle = dvbpsi_AttachPAT( PATCallBack, p_demux ); #endif if( p_sys->b_dvb_meta ) { ts_pid_t *sdt = &p_sys->pid[0x11]; ts_pid_t *eit = &p_sys->pid[0x12]; PIDInit( sdt, true, NULL ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) VLC_DVBPSI_DEMUX_TABLE_INIT( sdt, p_demux ) #else sdt->psi->handle = dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack, p_demux ); #endif PIDInit( eit, true, NULL ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) VLC_DVBPSI_DEMUX_TABLE_INIT( eit, p_demux ) #else eit->psi->handle = dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack, p_demux ); #endif ts_pid_t *tdt = &p_sys->pid[0x14]; PIDInit( tdt, true, NULL ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) VLC_DVBPSI_DEMUX_TABLE_INIT( tdt, p_demux ) #else tdt->psi->handle = dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack, p_demux ); #endif if( p_sys->b_access_control ) { if( SetPIDFilter( p_demux, 0x11, true ) || SetPIDFilter( p_demux, 0x14, true ) || SetPIDFilter( p_demux, 0x12, true ) ) p_sys->b_access_control = false; } } #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) # undef VLC_DVBPSI_DEMUX_TABLE_INIT #endif /* Init PMT array */ TAB_INIT( p_sys->i_pmt, p_sys->pmt ); p_sys->i_pmt_es = 0; /* Read config */ p_sys->b_es_id_pid = var_CreateGetBool( p_demux, "ts-es-id-pid" ); p_sys->b_trust_pcr = var_CreateGetBool( p_demux, "ts-trust-pcr" ); /* We handle description of an extra PMT */ char* psz_string = var_CreateGetString( p_demux, "ts-extra-pmt" ); p_sys->b_user_pmt = false; if( psz_string && *psz_string ) UserPmt( p_demux, psz_string ); free( psz_string ); psz_string = var_CreateGetStringCommand( p_demux, "ts-csa-ck" ); if( psz_string && *psz_string ) { int i_res; char* psz_csa2; p_sys->csa = csa_New(); psz_csa2 = var_CreateGetStringCommand( p_demux, "ts-csa2-ck" ); i_res = csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, true ); if( i_res == VLC_SUCCESS && psz_csa2 && *psz_csa2 ) { if( csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_csa2, false ) != VLC_SUCCESS ) { csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false ); } } else if ( i_res == VLC_SUCCESS ) { csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false ); } else { csa_Delete( p_sys->csa ); p_sys->csa = NULL; } if( p_sys->csa ) { var_AddCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, (void *)1 ); var_AddCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL ); int i_pkt = var_CreateGetInteger( p_demux, "ts-csa-pkt" ); if( i_pkt < 4 || i_pkt > 188 ) { msg_Err( p_demux, "wrong packet size %d specified.", i_pkt ); msg_Warn( p_demux, "using default packet size of 188 bytes" ); p_sys->i_csa_pkt_size = 188; } else p_sys->i_csa_pkt_size = i_pkt; msg_Dbg( p_demux, "decrypting %d bytes of packet", p_sys->i_csa_pkt_size ); } free( psz_csa2 ); } free( psz_string ); p_sys->b_split_es = var_InheritBool( p_demux, "ts-split-es" ); p_sys->i_pid_ref_pcr = -1; p_sys->i_first_pcr = -1; p_sys->i_current_pcr = -1; p_sys->i_last_pcr = -1; p_sys->b_force_seek_per_percent = var_InheritBool( p_demux, "ts-seek-percent" ); p_sys->i_pcrs_num = 10; p_sys->p_pcrs = (mtime_t *)calloc( p_sys->i_pcrs_num, sizeof( mtime_t ) ); p_sys->p_pos = (int64_t *)calloc( p_sys->i_pcrs_num, sizeof( int64_t ) ); p_sys->arib.e_mode = var_InheritInteger( p_demux, "ts-arib" ); if( !p_sys->p_pcrs || !p_sys->p_pos ) { Close( p_this ); return VLC_ENOMEM; } bool can_seek = false; stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &can_seek ); if( can_seek ) { GetFirstPCR( p_demux ); CheckPCR( p_demux ); GetLastPCR( p_demux ); } if( p_sys->i_first_pcr < 0 || p_sys->i_last_pcr < 0 ) { msg_Dbg( p_demux, "Force Seek Per Percent: PCR's not found,"); p_sys->b_force_seek_per_percent = true; } while( p_sys->i_pmt_es <= 0 && vlc_object_alive( p_demux ) ) { if( Demux( p_demux ) != 1 ) break; } return VLC_SUCCESS; } /***************************************************************************** * Close *****************************************************************************/ static void Close( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = p_demux->p_sys; msg_Dbg( p_demux, "pid list:" ); for( int i = 0; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; if( pid->b_valid && pid->psi ) { switch( pid->i_pid ) { case 0: /* PAT */ #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( dvbpsi_decoder_present( pid->psi->handle ) ) dvbpsi_pat_detach( pid->psi->handle ); dvbpsi_delete( pid->psi->handle ); pid->psi->handle = NULL; #else dvbpsi_DetachPAT( pid->psi->handle ); #endif free( pid->psi ); break; case 1: /* CAT */ free( pid->psi ); break; default: if( p_sys->b_dvb_meta && ( pid->i_pid == 0x11 || pid->i_pid == 0x12 || pid->i_pid == 0x14 ) ) { /* SDT or EIT or TDT */ dvbpsi_DetachDemux( pid->psi->handle ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) dvbpsi_delete( pid->psi->handle ); pid->psi->handle = NULL; #endif free( pid->psi ); } else { PIDClean( p_demux, pid ); } break; } } else if( pid->b_valid && pid->es ) { PIDClean( p_demux, pid ); } if( pid->b_seen ) { msg_Dbg( p_demux, " - pid[%d] seen", pid->i_pid ); } /* too much */ if( pid->i_pid > 0 ) SetPIDFilter( p_demux, pid->i_pid, false ); } vlc_mutex_lock( &p_sys->csa_lock ); if( p_sys->csa ) { var_DelCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, NULL ); var_DelCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL ); csa_Delete( p_sys->csa ); } vlc_mutex_unlock( &p_sys->csa_lock ); TAB_CLEAN( p_sys->i_pmt, p_sys->pmt ); free( p_sys->programs_list.p_values ); free( p_sys->p_pcrs ); free( p_sys->p_pos ); #ifdef HAVE_ARIBB24 if ( p_sys->arib.p_instance ) arib_instance_destroy( p_sys->arib.p_instance ); #endif vlc_mutex_destroy( &p_sys->csa_lock ); free( p_sys ); } /***************************************************************************** * ChangeKeyCallback: called when changing the odd encryption key on the fly. *****************************************************************************/ static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd, vlc_value_t oldval, vlc_value_t newval, void *p_data ) { VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = p_demux->p_sys; int i_tmp = (intptr_t)p_data; vlc_mutex_lock( &p_sys->csa_lock ); if ( i_tmp ) i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, true ); else i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, false ); vlc_mutex_unlock( &p_sys->csa_lock ); return i_tmp; } /***************************************************************************** * Demux: *****************************************************************************/ static int Demux( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; bool b_wait_es = p_sys->i_pmt_es <= 0; /* We read at most 100 TS packet or until a frame is completed */ for( int i_pkt = 0; i_pkt < p_sys->i_ts_read; i_pkt++ ) { bool b_frame = false; block_t *p_pkt; if( !(p_pkt = ReadTSPacket( p_demux )) ) { return 0; } if( p_sys->b_start_record ) { /* Enable recording once synchronized */ stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, true, "ts" ); p_sys->b_start_record = false; } /* Parse the TS packet */ ts_pid_t *p_pid = &p_sys->pid[PIDGet( p_pkt )]; if( p_pid->b_valid ) { if( p_pid->psi ) { if( p_pid->i_pid == 0 || ( p_sys->b_dvb_meta && ( p_pid->i_pid == 0x11 || p_pid->i_pid == 0x12 || p_pid->i_pid == 0x14 ) ) ) { dvbpsi_PushPacket( p_pid->psi->handle, p_pkt->p_buffer ); } else { for( int i_prg = 0; i_prg < p_pid->psi->i_prg; i_prg++ ) { dvbpsi_PushPacket( p_pid->psi->prg[i_prg]->handle, p_pkt->p_buffer ); } } block_Release( p_pkt ); } else { b_frame = GatherData( p_demux, p_pid, p_pkt ); } } else { if( !p_pid->b_seen ) { msg_Dbg( p_demux, "pid[%d] unknown", p_pid->i_pid ); } /* We have to handle PCR if present */ PCRHandle( p_demux, p_pid, p_pkt ); block_Release( p_pkt ); } p_pid->b_seen = true; if( b_frame || ( b_wait_es && p_sys->i_pmt_es > 0 ) ) break; } demux_UpdateTitleFromStream( p_demux ); return 1; } /***************************************************************************** * Control: *****************************************************************************/ static int DVBEventInformation( demux_t *p_demux, int64_t *pi_time, int64_t *pi_length ) { demux_sys_t *p_sys = p_demux->p_sys; if( pi_length ) *pi_length = 0; if( pi_time ) *pi_time = 0; if( p_sys->i_dvb_length > 0 ) { const int64_t t = mdate() + p_sys->i_tdt_delta; if( p_sys->i_dvb_start <= t && t < p_sys->i_dvb_start + p_sys->i_dvb_length ) { if( pi_length ) *pi_length = p_sys->i_dvb_length; if( pi_time ) *pi_time = t - p_sys->i_dvb_start; return VLC_SUCCESS; } } return VLC_EGENERIC; } static int Control( demux_t *p_demux, int i_query, va_list args ) { demux_sys_t *p_sys = p_demux->p_sys; double f, *pf; bool b_bool, *pb_bool; int64_t i64; int64_t *pi64; int i_int; switch( i_query ) { case DEMUX_GET_POSITION: pf = (double*) va_arg( args, double* ); if( p_sys->b_force_seek_per_percent || (p_sys->b_dvb_meta && p_sys->b_access_control) || p_sys->i_current_pcr - p_sys->i_first_pcr < 0 || p_sys->i_last_pcr - p_sys->i_first_pcr <= 0 ) { int64_t i_time, i_length; if( !DVBEventInformation( p_demux, &i_time, &i_length ) && i_length > 0 ) *pf = (double)i_time/(double)i_length; else if( (i64 = stream_Size( p_demux->s) ) > 0 ) { int64_t offset = stream_Tell( p_demux->s ); *pf = (double)offset / (double)i64; } else *pf = 0.0; } else { *pf = (double)(p_sys->i_current_pcr - p_sys->i_first_pcr) / (double)(p_sys->i_last_pcr - p_sys->i_first_pcr); } return VLC_SUCCESS; case DEMUX_SET_POSITION: f = (double) va_arg( args, double ); if( p_sys->b_force_seek_per_percent || (p_sys->b_dvb_meta && p_sys->b_access_control) || p_sys->i_last_pcr - p_sys->i_first_pcr <= 0 ) { i64 = stream_Size( p_demux->s ); if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) ) return VLC_EGENERIC; } else { if( Seek( p_demux, f ) ) { p_sys->b_force_seek_per_percent = true; return VLC_EGENERIC; } } return VLC_SUCCESS; case DEMUX_GET_TIME: pi64 = (int64_t*)va_arg( args, int64_t * ); if( (p_sys->b_dvb_meta && p_sys->b_access_control) || p_sys->b_force_seek_per_percent || p_sys->i_current_pcr - p_sys->i_first_pcr < 0 ) { if( DVBEventInformation( p_demux, pi64, NULL ) ) { *pi64 = 0; } } else { *pi64 = (p_sys->i_current_pcr - p_sys->i_first_pcr) * 100 / 9; } return VLC_SUCCESS; case DEMUX_GET_LENGTH: pi64 = (int64_t*)va_arg( args, int64_t * ); if( (p_sys->b_dvb_meta && p_sys->b_access_control) || p_sys->b_force_seek_per_percent || p_sys->i_last_pcr - p_sys->i_first_pcr <= 0 ) { if( DVBEventInformation( p_demux, NULL, pi64 ) ) { *pi64 = 0; } } else { *pi64 = (p_sys->i_last_pcr - p_sys->i_first_pcr) * 100 / 9; } return VLC_SUCCESS; case DEMUX_SET_GROUP: { vlc_list_t *p_list; i_int = (int)va_arg( args, int ); p_list = (vlc_list_t *)va_arg( args, vlc_list_t * ); msg_Dbg( p_demux, "DEMUX_SET_GROUP %d %p", i_int, p_list ); if( i_int == 0 && p_sys->i_current_program > 0 ) i_int = p_sys->i_current_program; if( p_sys->i_current_program > 0 ) { if( p_sys->i_current_program != i_int ) SetPrgFilter( p_demux, p_sys->i_current_program, false ); } else if( p_sys->i_current_program < 0 ) { for( int i = 0; i < p_sys->programs_list.i_count; i++ ) SetPrgFilter( p_demux, p_sys->programs_list.p_values[i].i_int, false ); } if( i_int > 0 ) { p_sys->i_current_program = i_int; SetPrgFilter( p_demux, p_sys->i_current_program, true ); } else if( i_int < 0 ) { p_sys->i_current_program = -1; p_sys->programs_list.i_count = 0; if( p_list ) { vlc_list_t *p_dst = &p_sys->programs_list; free( p_dst->p_values ); p_dst->p_values = calloc( p_list->i_count, sizeof(*p_dst->p_values) ); if( p_dst->p_values ) { p_dst->i_count = p_list->i_count; for( int i = 0; i < p_list->i_count; i++ ) { p_dst->p_values[i] = p_list->p_values[i]; SetPrgFilter( p_demux, p_dst->p_values[i].i_int, true ); } } } } return VLC_SUCCESS; } case DEMUX_GET_TITLE_INFO: { struct input_title_t ***v = va_arg( args, struct input_title_t*** ); int *c = va_arg( args, int * ); *va_arg( args, int* ) = 0; /* Title offset */ *va_arg( args, int* ) = 0; /* Chapter offset */ return stream_Control( p_demux->s, STREAM_GET_TITLE_INFO, v, c ); } case DEMUX_SET_TITLE: return stream_vaControl( p_demux->s, STREAM_SET_TITLE, args ); case DEMUX_SET_SEEKPOINT: return stream_vaControl( p_demux->s, STREAM_SET_SEEKPOINT, args ); case DEMUX_GET_META: return stream_vaControl( p_demux->s, STREAM_GET_META, args ); case DEMUX_CAN_RECORD: pb_bool = (bool*)va_arg( args, bool * ); *pb_bool = true; return VLC_SUCCESS; case DEMUX_SET_RECORD_STATE: b_bool = (bool)va_arg( args, int ); if( !b_bool ) stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, false ); p_sys->b_start_record = b_bool; return VLC_SUCCESS; case DEMUX_GET_SIGNAL: return stream_vaControl( p_demux->s, STREAM_GET_SIGNAL, args ); default: return VLC_EGENERIC; } } /***************************************************************************** * *****************************************************************************/ static int UserPmt( demux_t *p_demux, const char *psz_fmt ) { demux_sys_t *p_sys = p_demux->p_sys; char *psz_dup = strdup( psz_fmt ); char *psz = psz_dup; int i_pid; int i_number; ts_prg_psi_t *prg = NULL; if( !psz_dup ) return VLC_ENOMEM; /* Parse PID */ i_pid = strtol( psz, &psz, 0 ); if( i_pid < 2 || i_pid >= 8192 ) goto error; /* Parse optional program number */ i_number = 0; if( *psz == ':' ) i_number = strtol( &psz[1], &psz, 0 ); /* */ ts_pid_t *pmt = &p_sys->pid[i_pid]; msg_Dbg( p_demux, "user pmt specified (pid=%d,number=%d)", i_pid, i_number ); PIDInit( pmt, true, NULL ); /* Dummy PMT */ prg = calloc( 1, sizeof( ts_prg_psi_t ) ); if( !prg ) goto error; prg->i_pid_pcr = -1; prg->i_pid_pmt = -1; prg->i_version = -1; prg->i_number = i_number != 0 ? i_number : TS_USER_PMT_NUMBER; #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) prg->handle = dvbpsi_new( &dvbpsi_messages, DVBPSI_MSG_DEBUG ); if( !prg->handle ) goto error; prg->handle->p_sys = (void *) VLC_OBJECT(p_demux); if( !dvbpsi_pmt_attach( prg->handle, ((i_number != TS_USER_PMT_NUMBER ? i_number : 1)), PMTCallBack, p_demux ) ) { dvbpsi_delete( prg->handle ); prg->handle = NULL; goto error; } #else prg->handle = dvbpsi_AttachPMT( ((i_number != TS_USER_PMT_NUMBER) ? i_number : 1), PMTCallBack, p_demux ); #endif TAB_APPEND( pmt->psi->i_prg, pmt->psi->prg, prg ); psz = strchr( psz, '=' ); if( psz ) psz++; while( psz && *psz ) { char *psz_next = strchr( psz, ',' ); int i_pid; if( psz_next ) *psz_next++ = '\0'; i_pid = strtol( psz, &psz, 0 ); if( *psz != ':' || i_pid < 2 || i_pid >= 8192 ) goto next; char *psz_opt = &psz[1]; if( !strcmp( psz_opt, "pcr" ) ) { prg->i_pid_pcr = i_pid; } else if( !p_sys->pid[i_pid].b_valid ) { ts_pid_t *pid = &p_sys->pid[i_pid]; char *psz_arg = strchr( psz_opt, '=' ); if( psz_arg ) *psz_arg++ = '\0'; PIDInit( pid, false, pmt->psi); if( prg->i_pid_pcr <= 0 ) prg->i_pid_pcr = i_pid; if( psz_arg && strlen( psz_arg ) == 4 ) { const vlc_fourcc_t i_codec = VLC_FOURCC( psz_arg[0], psz_arg[1], psz_arg[2], psz_arg[3] ); int i_cat = UNKNOWN_ES; es_format_t *fmt = &pid->es->fmt; if( !strcmp( psz_opt, "video" ) ) i_cat = VIDEO_ES; else if( !strcmp( psz_opt, "audio" ) ) i_cat = AUDIO_ES; else if( !strcmp( psz_opt, "spu" ) ) i_cat = SPU_ES; es_format_Init( fmt, i_cat, i_codec ); fmt->b_packetized = false; } else { const int i_stream_type = strtol( psz_opt, NULL, 0 ); PIDFillFormat( &pid->es->fmt, i_stream_type ); } pid->es->fmt.i_group = i_number; if( p_sys->b_es_id_pid ) pid->es->fmt.i_id = i_pid; if( pid->es->fmt.i_cat != UNKNOWN_ES ) { msg_Dbg( p_demux, " * es pid=%d fcc=%4.4s", i_pid, (char*)&pid->es->fmt.i_codec ); pid->es->id = es_out_Add( p_demux->out, &pid->es->fmt ); p_sys->i_pmt_es++; } } next: psz = psz_next; } p_sys->b_user_pmt = true; TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt ); free( psz_dup ); return VLC_SUCCESS; error: free( prg ); free( psz_dup ); return VLC_EGENERIC; } static int SetPIDFilter( demux_t *p_demux, int i_pid, bool b_selected ) { demux_sys_t *p_sys = p_demux->p_sys; if( !p_sys->b_access_control ) return VLC_EGENERIC; return stream_Control( p_demux->s, STREAM_SET_PRIVATE_ID_STATE, i_pid, b_selected ); } static void SetPrgFilter( demux_t *p_demux, int i_prg_id, bool b_selected ) { demux_sys_t *p_sys = p_demux->p_sys; ts_prg_psi_t *p_prg = NULL; int i_pmt_pid = -1; /* Search pmt to be unselected */ for( int i = 0; i < p_sys->i_pmt; i++ ) { ts_pid_t *pmt = p_sys->pmt[i]; for( int i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ ) { if( pmt->psi->prg[i_prg]->i_number == i_prg_id ) { i_pmt_pid = p_sys->pmt[i]->i_pid; p_prg = p_sys->pmt[i]->psi->prg[i_prg]; break; } } if( i_pmt_pid > 0 ) break; } if( i_pmt_pid <= 0 ) return; assert( p_prg ); SetPIDFilter( p_demux, i_pmt_pid, b_selected ); if( p_prg->i_pid_pcr > 0 ) SetPIDFilter( p_demux, p_prg->i_pid_pcr, b_selected ); /* All ES */ for( int i = 2; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; if( !pid->b_valid || pid->psi ) continue; for( int i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ ) { if( pid->p_owner->prg[i_prg]->i_pid_pmt == i_pmt_pid && pid->es->id ) { /* We only remove/select es that aren't defined by extra pmt */ SetPIDFilter( p_demux, i, b_selected ); break; } } } } static void PIDInit( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner ) { bool b_old_valid = pid->b_valid; pid->b_valid = true; pid->i_cc = 0xff; pid->b_scrambled = false; pid->p_owner = p_owner; pid->i_owner_number = 0; TAB_INIT( pid->i_extra_es, pid->extra_es ); if( b_psi ) { pid->es = NULL; if( !b_old_valid ) { pid->psi = xmalloc( sizeof( ts_psi_t ) ); pid->psi->handle = NULL; TAB_INIT( pid->psi->i_prg, pid->psi->prg ); } assert( pid->psi ); pid->psi->i_pat_version = -1; pid->psi->i_sdt_version = -1; if( p_owner ) { ts_prg_psi_t *prg = malloc( sizeof( ts_prg_psi_t ) ); if( !prg ) return; /* PMT */ prg->i_version = -1; prg->i_number = -1; prg->i_pid_pcr = -1; prg->i_pid_pmt = -1; prg->i_pcr_value= -1; prg->iod = NULL; prg->handle = NULL; TAB_APPEND( pid->psi->i_prg, pid->psi->prg, prg ); } } else { pid->psi = NULL; pid->es = calloc( 1, sizeof( ts_es_t ) ); if( !pid->es ) return; es_format_Init( &pid->es->fmt, UNKNOWN_ES, 0 ); pid->es->data_type = TS_ES_DATA_PES; pid->es->pp_last = &pid->es->p_data; } } static void PIDClean( demux_t *p_demux, ts_pid_t *pid ) { demux_sys_t *p_sys = p_demux->p_sys; es_out_t *out = p_demux->out; if( pid->psi ) { if( pid->psi->handle ) { #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( dvbpsi_decoder_present( pid->psi->handle ) ) dvbpsi_pmt_detach( pid->psi->handle ); dvbpsi_delete( pid->psi->handle ); pid->psi->handle = NULL; #else dvbpsi_DetachPMT( pid->psi->handle ); #endif } for( int i = 0; i < pid->psi->i_prg; i++ ) { if( pid->psi->prg[i]->iod ) IODFree( pid->psi->prg[i]->iod ); if( pid->psi->prg[i]->handle ) { #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( dvbpsi_decoder_present( pid->psi->prg[i]->handle ) ) dvbpsi_pmt_detach( pid->psi->prg[i]->handle ); dvbpsi_delete( pid->psi->prg[i]->handle ); #else dvbpsi_DetachPMT( pid->psi->prg[i]->handle ); #endif } free( pid->psi->prg[i] ); } free( pid->psi->prg ); free( pid->psi ); } else { if( pid->es->id ) { es_out_Del( out, pid->es->id ); p_sys->i_pmt_es--; } if( pid->es->p_data ) block_ChainRelease( pid->es->p_data ); es_format_Clean( &pid->es->fmt ); free( pid->es ); for( int i = 0; i < pid->i_extra_es; i++ ) { if( pid->extra_es[i]->id ) { es_out_Del( out, pid->extra_es[i]->id ); p_sys->i_pmt_es--; } if( pid->extra_es[i]->p_data ) block_ChainRelease( pid->extra_es[i]->p_data ); es_format_Clean( &pid->extra_es[i]->fmt ); free( pid->extra_es[i] ); } if( pid->i_extra_es ) free( pid->extra_es ); } pid->b_valid = false; } /**************************************************************************** * gathering stuff ****************************************************************************/ static void ParsePES( demux_t *p_demux, ts_pid_t *pid, block_t *p_pes ) { demux_sys_t *p_sys = p_demux->p_sys; uint8_t header[34]; unsigned i_pes_size = 0; unsigned i_skip = 0; mtime_t i_dts = -1; mtime_t i_pts = -1; mtime_t i_length = 0; /* FIXME find real max size */ /* const int i_max = */ block_ChainExtract( p_pes, header, 34 ); if( header[0] != 0 || header[1] != 0 || header[2] != 1 ) { msg_Warn( p_demux, "invalid header [0x%02x:%02x:%02x:%02x] (pid: %d)", header[0], header[1],header[2],header[3], pid->i_pid ); block_ChainRelease( p_pes ); return; } /* TODO check size */ switch( header[3] ) { case 0xBC: /* Program stream map */ case 0xBE: /* Padding */ case 0xBF: /* Private stream 2 */ case 0xF0: /* ECM */ case 0xF1: /* EMM */ case 0xFF: /* Program stream directory */ case 0xF2: /* DSMCC stream */ case 0xF8: /* ITU-T H.222.1 type E stream */ i_skip = 6; break; default: if( ( header[6]&0xC0 ) == 0x80 ) { /* mpeg2 PES */ i_skip = header[8] + 9; if( header[7]&0x80 ) /* has pts */ { i_pts = ((mtime_t)(header[ 9]&0x0e ) << 29)| (mtime_t)(header[10] << 22)| ((mtime_t)(header[11]&0xfe) << 14)| (mtime_t)(header[12] << 7)| (mtime_t)(header[13] >> 1); if( header[7]&0x40 ) /* has dts */ { i_dts = ((mtime_t)(header[14]&0x0e ) << 29)| (mtime_t)(header[15] << 22)| ((mtime_t)(header[16]&0xfe) << 14)| (mtime_t)(header[17] << 7)| (mtime_t)(header[18] >> 1); } } } else { i_skip = 6; while( i_skip < 23 && header[i_skip] == 0xff ) { i_skip++; } if( i_skip == 23 ) { msg_Err( p_demux, "too much MPEG-1 stuffing" ); block_ChainRelease( p_pes ); return; } if( ( header[i_skip] & 0xC0 ) == 0x40 ) { i_skip += 2; } if( header[i_skip]&0x20 ) { i_pts = ((mtime_t)(header[i_skip]&0x0e ) << 29)| (mtime_t)(header[i_skip+1] << 22)| ((mtime_t)(header[i_skip+2]&0xfe) << 14)| (mtime_t)(header[i_skip+3] << 7)| (mtime_t)(header[i_skip+4] >> 1); if( header[i_skip]&0x10 ) /* has dts */ { i_dts = ((mtime_t)(header[i_skip+5]&0x0e ) << 29)| (mtime_t)(header[i_skip+6] << 22)| ((mtime_t)(header[i_skip+7]&0xfe) << 14)| (mtime_t)(header[i_skip+8] << 7)| (mtime_t)(header[i_skip+9] >> 1); i_skip += 10; } else { i_skip += 5; } } else { i_skip += 1; } } break; } if( pid->es->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', 'b' ) || pid->es->fmt.i_codec == VLC_FOURCC( 'd', 't', 's', 'b' ) ) { i_skip += 4; } else if( pid->es->fmt.i_codec == VLC_FOURCC( 'l', 'p', 'c', 'b' ) || pid->es->fmt.i_codec == VLC_FOURCC( 's', 'p', 'u', 'b' ) || pid->es->fmt.i_codec == VLC_FOURCC( 's', 'd', 'd', 'b' ) ) { i_skip += 1; } else if( pid->es->fmt.i_codec == VLC_CODEC_SUBT && pid->es->p_mpeg4desc ) { decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr; if( dcd->i_extra > 2 && dcd->p_extra[0] == 0x10 && ( dcd->p_extra[1]&0x10 ) ) { /* display length */ if( p_pes->i_buffer + 2 <= i_skip ) i_length = GetWBE( &p_pes->p_buffer[i_skip] ); i_skip += 2; } if( p_pes->i_buffer + 2 <= i_skip ) i_pes_size = GetWBE( &p_pes->p_buffer[i_skip] ); /* */ i_skip += 2; } /* skip header */ while( p_pes && i_skip > 0 ) { if( p_pes->i_buffer <= i_skip ) { block_t *p_next = p_pes->p_next; i_skip -= p_pes->i_buffer; block_Release( p_pes ); p_pes = p_next; } else { p_pes->i_buffer -= i_skip; p_pes->p_buffer += i_skip; break; } } /* ISO/IEC 13818-1 2.7.5: if no pts and no dts, then dts == pts */ if( i_pts >= 0 && i_dts < 0 ) i_dts = i_pts; if( p_pes ) { block_t *p_block; if( i_dts >= 0 ) p_pes->i_dts = VLC_TS_0 + i_dts * 100 / 9; if( i_pts >= 0 ) p_pes->i_pts = VLC_TS_0 + i_pts * 100 / 9; p_pes->i_length = i_length * 100 / 9; p_block = block_ChainGather( p_pes ); if( pid->es->fmt.i_codec == VLC_CODEC_SUBT ) { if( i_pes_size > 0 && p_block->i_buffer > i_pes_size ) { p_block->i_buffer = i_pes_size; } /* Append a \0 */ p_block = block_Realloc( p_block, 0, p_block->i_buffer + 1 ); if( !p_block ) return; p_block->p_buffer[p_block->i_buffer -1] = '\0'; } else if( pid->es->fmt.i_codec == VLC_CODEC_TELETEXT ) { if( p_block->i_pts <= VLC_TS_INVALID ) { /* Teletext may have missing PTS (ETSI EN 300 472 Annexe A) * In this case use the last PCR + 40ms */ for( int i = 0; pid->p_owner && i < pid->p_owner->i_prg; i++ ) { if( pid->i_owner_number == pid->p_owner->prg[i]->i_number ) { mtime_t i_pcr = pid->p_owner->prg[i]->i_pcr_value; if( i_pcr > VLC_TS_INVALID ) p_block->i_pts = VLC_TS_0 + i_pcr * 100 / 9 + 40000; break; } } } } else if( pid->es->fmt.i_codec == VLC_CODEC_ARIB_A || pid->es->fmt.i_codec == VLC_CODEC_ARIB_C ) { if( p_block->i_pts <= VLC_TS_INVALID ) { if( i_pes_size > 0 && p_block->i_buffer > i_pes_size ) { p_block->i_buffer = i_pes_size; } /* Append a \0 */ p_block = block_Realloc( p_block, 0, p_block->i_buffer + 1 ); if( !p_block ) return; p_block->p_buffer[p_block->i_buffer -1] = '\0'; } } for( int i = 0; i < pid->i_extra_es; i++ ) { es_out_Send( p_demux->out, pid->extra_es[i]->id, block_Duplicate( p_block ) ); } if (!p_sys->b_trust_pcr) es_out_Control( p_demux->out, ES_OUT_SET_GROUP_PCR, pid->i_owner_number, p_block->i_pts); es_out_Send( p_demux->out, pid->es->id, p_block ); } else { msg_Warn( p_demux, "empty pes" ); } } static void ParseTableSection( demux_t *p_demux, ts_pid_t *pid, block_t *p_data ) { block_t *p_content = block_ChainGather( p_data ); mtime_t i_date = -1; for( int i = 0; pid->p_owner && i < pid->p_owner->i_prg; i++ ) { if( pid->i_owner_number == pid->p_owner->prg[i]->i_number ) { i_date = pid->p_owner->prg[i]->i_pcr_value; if( i_date >= 0 ) break; } } if( i_date >= 0 ) { if( pid->es->fmt.i_codec == VLC_CODEC_SCTE_27 ) { /* We need to extract the truncated pts stored inside the payload */ if( p_content->i_buffer > 9 && p_content->p_buffer[0] == 0xc6 ) { int i_index = 0; size_t i_offset = 4; if( p_content->p_buffer[3] & 0x40 ) { i_index = ((p_content->p_buffer[7] & 0x0f) << 8) | p_content->p_buffer[8]; i_offset = 9; } if( i_index == 0 && p_content->i_buffer > i_offset + 8 ) { bool is_immediate = p_content->p_buffer[i_offset + 3] & 0x40; if( !is_immediate ) { mtime_t i_display_in = GetDWBE( &p_content->p_buffer[i_offset + 4] ); if( i_display_in < i_date ) i_date = i_display_in + (1ll << 32); else i_date = i_display_in; } } } } p_content->i_dts = p_content->i_pts = VLC_TS_0 + i_date * 100 / 9; } es_out_Send( p_demux->out, pid->es->id, p_content ); } static void ParseData( demux_t *p_demux, ts_pid_t *pid ) { block_t *p_data = pid->es->p_data; /* remove the pes from pid */ pid->es->p_data = NULL; pid->es->i_data_size = 0; pid->es->i_data_gathered = 0; pid->es->pp_last = &pid->es->p_data; if( pid->es->data_type == TS_ES_DATA_PES ) { ParsePES( p_demux, pid, p_data ); } else if( pid->es->data_type == TS_ES_DATA_TABLE_SECTION ) { ParseTableSection( p_demux, pid, p_data ); } else { block_ChainRelease( p_data ); } } static block_t* ReadTSPacket( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; block_t *p_pkt; /* Get a new TS packet */ if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) ) { msg_Dbg( p_demux, "eof ?" ); return NULL; } /* Skip header (BluRay streams). * re-sync logic would do this (by adjusting packet start), but this would result in losing first and last ts packets. * First packet is usually PAT, and losing it means losing whole first GOP. This is fatal with still-image based menus. */ p_pkt->p_buffer += p_sys->i_packet_header_size; p_pkt->i_buffer -= p_sys->i_packet_header_size; /* Check sync byte and re-sync if needed */ if( p_pkt->p_buffer[0] != 0x47 ) { msg_Warn( p_demux, "lost synchro" ); block_Release( p_pkt ); while( vlc_object_alive (p_demux) ) { const uint8_t *p_peek; int i_peek, i_skip = 0; i_peek = stream_Peek( p_demux->s, &p_peek, p_sys->i_packet_size * 10 ); if( i_peek < p_sys->i_packet_size + 1 ) { msg_Dbg( p_demux, "eof ?" ); return NULL; } while( i_skip < i_peek - p_sys->i_packet_size ) { if( p_peek[i_skip + p_sys->i_packet_header_size] == 0x47 && p_peek[i_skip + p_sys->i_packet_header_size + p_sys->i_packet_size] == 0x47 ) { break; } i_skip++; } msg_Dbg( p_demux, "skipping %d bytes of garbage", i_skip ); stream_Read( p_demux->s, NULL, i_skip ); if( i_skip < i_peek - p_sys->i_packet_size ) { break; } } if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) ) { msg_Dbg( p_demux, "eof ?" ); return NULL; } } return p_pkt; } static mtime_t AdjustPCRWrapAround( demux_t *p_demux, mtime_t i_pcr ) { demux_sys_t *p_sys = p_demux->p_sys; /* * PCR is 33bit. If PCR reaches to 0x1FFFFFFFF (26:30:43.717), ressets from 0. * So, need to add 0x1FFFFFFFF, for calculating duration or current position. */ mtime_t i_adjust = 0; int64_t i_pos = stream_Tell( p_demux->s ); int i; for( i = 1; i < p_sys->i_pcrs_num && p_sys->p_pos[i] <= i_pos; ++i ) { if( p_sys->p_pcrs[i-1] > p_sys->p_pcrs[i] ) i_adjust += 0x1FFFFFFFF; } if( p_sys->p_pcrs[i-1] > i_pcr ) i_adjust += 0x1FFFFFFFF; return i_pcr + i_adjust; } static mtime_t GetPCR( block_t *p_pkt ) { const uint8_t *p = p_pkt->p_buffer; mtime_t i_pcr = -1; if( ( p[3]&0x20 ) && /* adaptation */ ( p[5]&0x10 ) && ( p[4] >= 7 ) ) { /* PCR is 33 bits */ i_pcr = ( (mtime_t)p[6] << 25 ) | ( (mtime_t)p[7] << 17 ) | ( (mtime_t)p[8] << 9 ) | ( (mtime_t)p[9] << 1 ) | ( (mtime_t)p[10] >> 7 ); } return i_pcr; } static int SeekToPCR( demux_t *p_demux, int64_t i_pos ) { demux_sys_t *p_sys = p_demux->p_sys; mtime_t i_pcr = -1; const int64_t i_initial_pos = stream_Tell( p_demux->s ); if( i_pos < 0 ) return VLC_EGENERIC; int64_t i_last_pos = stream_Size( p_demux->s ) - p_sys->i_packet_size; if( i_pos > i_last_pos ) i_pos = i_last_pos; if( stream_Seek( p_demux->s, i_pos ) ) return VLC_EGENERIC; while( vlc_object_alive( p_demux ) ) { block_t *p_pkt; if( !( p_pkt = ReadTSPacket( p_demux ) ) ) { break; } if( PIDGet( p_pkt ) == p_sys->i_pid_ref_pcr ) { i_pcr = GetPCR( p_pkt ); } block_Release( p_pkt ); if( i_pcr >= 0 ) break; if( stream_Tell( p_demux->s ) >= i_last_pos ) break; } if( i_pcr < 0 ) { stream_Seek( p_demux->s, i_initial_pos ); assert( i_initial_pos == stream_Tell( p_demux->s ) ); return VLC_EGENERIC; } p_sys->i_current_pcr = i_pcr; return VLC_SUCCESS; } static int Seek( demux_t *p_demux, double f_percent ) { demux_sys_t *p_sys = p_demux->p_sys; int64_t i_initial_pos = stream_Tell( p_demux->s ); mtime_t i_initial_pcr = p_sys->i_current_pcr; /* * Find the time position by using binary search algorithm. */ mtime_t i_target_pcr = (p_sys->i_last_pcr - p_sys->i_first_pcr) * f_percent + p_sys->i_first_pcr; int64_t i_head_pos = 0; int64_t i_tail_pos; { mtime_t i_adjust = 0; int i; for( i = 1; i < p_sys->i_pcrs_num; ++i ) { if( p_sys->p_pcrs[i-1] > p_sys->p_pcrs[i] ) i_adjust += 0x1FFFFFFFF; if( p_sys->p_pcrs[i] + i_adjust > i_target_pcr ) break; } i_head_pos = p_sys->p_pos[i-1]; i_tail_pos = ( i < p_sys->i_pcrs_num ) ? p_sys->p_pos[i] : stream_Size( p_demux->s ); } msg_Dbg( p_demux, "Seek():i_head_pos:%"PRId64", i_tail_pos:%"PRId64, i_head_pos, i_tail_pos); bool b_found = false; int i_cnt = 0; while( i_head_pos <= i_tail_pos ) { /* Round i_pos to a multiple of p_sys->i_packet_size */ int64_t i_pos = i_head_pos + (i_tail_pos - i_head_pos) / 2; int64_t i_div = i_pos % p_sys->i_packet_size; i_pos -= i_div; if( SeekToPCR( p_demux, i_pos ) ) break; p_sys->i_current_pcr = AdjustPCRWrapAround( p_demux, p_sys->i_current_pcr ); int64_t i_diff_msec = (p_sys->i_current_pcr - i_target_pcr) * 100 / 9 / 1000; if( i_diff_msec > 500 ) { i_tail_pos = i_pos - p_sys->i_packet_size; } else if( i_diff_msec < -500 ) { i_head_pos = i_pos + p_sys->i_packet_size; } else { // diff time <= 500msec b_found = true; break; } ++i_cnt; } if( !b_found ) { msg_Dbg( p_demux, "Seek():cannot find a time position. i_cnt:%d", i_cnt ); stream_Seek( p_demux->s, i_initial_pos ); p_sys->i_current_pcr = i_initial_pcr; return VLC_EGENERIC; } else { msg_Dbg( p_demux, "Seek():can find a time position. i_cnt:%d", i_cnt ); return VLC_SUCCESS; } } static void GetFirstPCR( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; int64_t i_initial_pos = stream_Tell( p_demux->s ); if( stream_Seek( p_demux->s, 0 ) ) return; while( vlc_object_alive (p_demux) ) { block_t *p_pkt; if( !( p_pkt = ReadTSPacket( p_demux ) ) ) { break; } mtime_t i_pcr = GetPCR( p_pkt ); if( i_pcr >= 0 ) { p_sys->i_pid_ref_pcr = PIDGet( p_pkt ); p_sys->i_first_pcr = i_pcr; p_sys->i_current_pcr = i_pcr; } block_Release( p_pkt ); if( p_sys->i_first_pcr >= 0 ) break; } stream_Seek( p_demux->s, i_initial_pos ); } static void GetLastPCR( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; const int64_t i_initial_pos = stream_Tell( p_demux->s ); mtime_t i_initial_pcr = p_sys->i_current_pcr; int64_t i_stream_size = stream_Size( p_demux->s ); int64_t i_last_pos = i_stream_size - p_sys->i_packet_size; /* Round i_pos to a multiple of p_sys->i_packet_size */ int64_t i_pos = i_last_pos - p_sys->i_packet_size * 4500; /* FIXME if the value is not reasonable, please change it. */ int64_t i_div = i_pos % p_sys->i_packet_size; i_pos -= i_div; if( i_pos <= i_initial_pos && i_pos >= i_stream_size ) i_pos = i_initial_pos + p_sys->i_packet_size; if( i_pos < 0 && i_pos >= i_stream_size ) return; while( vlc_object_alive( p_demux ) ) { if( SeekToPCR( p_demux, i_pos ) ) break; p_sys->i_last_pcr = AdjustPCRWrapAround( p_demux, p_sys->i_current_pcr ); if( ( i_pos = stream_Tell( p_demux->s ) ) >= i_last_pos ) break; } if( p_sys->i_last_pcr >= 0 ) { int64_t i_size = stream_Size( p_demux->s ); mtime_t i_duration_msec = ( p_sys->i_last_pcr - p_sys->i_first_pcr ) * 100 / 9 / 1000; int64_t i_rate = ( i_size < 0 || i_duration_msec <= 0 ) ? 0 : i_size * 1000 * 8 / i_duration_msec; const int64_t TS_SUPPOSED_MAXRATE = 55 * 1000 * 1000; //FIXME I think it's enough. const int64_t TS_SUPPOSED_MINRATE = 0.5 * 1000 * 1000; //FIXME if( i_rate < TS_SUPPOSED_MINRATE || i_rate > TS_SUPPOSED_MAXRATE ) { msg_Dbg( p_demux, "calculated bitrate (%"PRId64"bit/s) is too low or too high. min bitrate (%"PRId64"bit/s) max bitrate (%"PRId64"bit/s)", i_rate, TS_SUPPOSED_MINRATE, TS_SUPPOSED_MAXRATE ); p_sys->i_last_pcr = -1; } } stream_Seek( p_demux->s, i_initial_pos ); assert( i_initial_pos == stream_Tell( p_demux->s ) ); p_sys->i_current_pcr = i_initial_pcr; } static void CheckPCR( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; int64_t i_initial_pos = stream_Tell( p_demux->s ); mtime_t i_initial_pcr = p_sys->i_current_pcr; int64_t i_size = stream_Size( p_demux->s ); int i = 0; p_sys->p_pcrs[0] = p_sys->i_first_pcr; p_sys->p_pos[0] = i_initial_pos; for( i = 1; i < p_sys->i_pcrs_num && vlc_object_alive( p_demux ); ++i ) { /* Round i_pos to a multiple of p_sys->i_packet_size */ int64_t i_pos = i_size / p_sys->i_pcrs_num * i; int64_t i_div = i_pos % p_sys->i_packet_size; i_pos -= i_div; if( SeekToPCR( p_demux, i_pos ) ) break; p_sys->p_pcrs[i] = p_sys->i_current_pcr; p_sys->p_pos[i] = stream_Tell( p_demux->s ); if( p_sys->p_pcrs[i-1] > p_sys->p_pcrs[i] ) { msg_Dbg( p_demux, "PCR Wrap Around found between %d%% and %d%% (pcr:%"PRId64"(0x%09"PRIx64") pcr:%"PRId64"(0x%09"PRIx64"))", (int)((i-1)*100/p_sys->i_pcrs_num), (int)(i*100/p_sys->i_pcrs_num), p_sys->p_pcrs[i-1], p_sys->p_pcrs[i-1], p_sys->p_pcrs[i], p_sys->p_pcrs[i] ); } } if( i < p_sys->i_pcrs_num ) { msg_Dbg( p_demux, "Force Seek Per Percent: Seeking failed at %d%%.", (int)(i*100/p_sys->i_pcrs_num) ); p_sys->b_force_seek_per_percent = true; } stream_Seek( p_demux->s, i_initial_pos ); p_sys->i_current_pcr = i_initial_pcr; } static void PCRHandle( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk ) { demux_sys_t *p_sys = p_demux->p_sys; if( p_sys->i_pmt_es <= 0 ) return; mtime_t i_pcr = GetPCR( p_bk ); if( i_pcr < 0 ) return; if( p_sys->i_pid_ref_pcr == pid->i_pid ) p_sys->i_current_pcr = AdjustPCRWrapAround( p_demux, i_pcr ); /* Search program and set the PCR */ int i_group = -1; for( int i = 0; i < p_sys->i_pmt && i_group < 0 ; i++ ) { bool b_pmt_has_es = false; for( int i_prg = 0; i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ ) { if( pid->i_pid == p_sys->pmt[i]->psi->prg[i_prg]->i_pid_pcr ) { /* We've found our target group */ p_sys->pmt[i]->psi->prg[i_prg]->i_pcr_value = i_pcr; i_group = p_sys->pmt[i]->psi->prg[i_prg]->i_number; for( int j = 0; j < 8192; j++ ) { const ts_pid_t *pid = &p_sys->pid[j]; if( pid->b_valid && pid->p_owner == p_sys->pmt[i]->psi && pid->es ) { b_pmt_has_es = true; break; } } } } if ( p_sys->b_trust_pcr && i_group > 0 && b_pmt_has_es ) es_out_Control( p_demux->out, ES_OUT_SET_GROUP_PCR, i_group, VLC_TS_0 + i_pcr * 100 / 9 ); } } static bool GatherData( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk ) { const uint8_t *p = p_bk->p_buffer; const bool b_unit_start = p[1]&0x40; const bool b_scrambled = p[3]&0x80; const bool b_adaptation = p[3]&0x20; const bool b_payload = p[3]&0x10; const int i_cc = p[3]&0x0f; /* continuity counter */ bool b_discontinuity = false; /* discontinuity */ /* transport_scrambling_control is ignored */ int i_skip = 0; bool i_ret = false; #if 0 msg_Dbg( p_demux, "pid=%d unit_start=%d adaptation=%d payload=%d " "cc=0x%x", pid->i_pid, b_unit_start, b_adaptation, b_payload, i_cc ); #endif /* For now, ignore additional error correction * TODO: handle Reed-Solomon 204,188 error correction */ p_bk->i_buffer = TS_PACKET_SIZE_188; if( p[1]&0x80 ) { msg_Dbg( p_demux, "transport_error_indicator set (pid=%d)", pid->i_pid ); if( pid->es->p_data ) //&& pid->es->fmt.i_cat == VIDEO_ES ) pid->es->p_data->i_flags |= BLOCK_FLAG_CORRUPTED; } if( p_demux->p_sys->csa ) { vlc_mutex_lock( &p_demux->p_sys->csa_lock ); csa_Decrypt( p_demux->p_sys->csa, p_bk->p_buffer, p_demux->p_sys->i_csa_pkt_size ); vlc_mutex_unlock( &p_demux->p_sys->csa_lock ); } if( !b_adaptation ) { /* We don't have any adaptation_field, so payload starts * immediately after the 4 byte TS header */ i_skip = 4; } else { /* p[4] is adaptation_field_length minus one */ i_skip = 5 + p[4]; if( p[4] > 0 ) { /* discontinuity indicator found in stream */ b_discontinuity = (p[5]&0x80) ? true : false; if( b_discontinuity && pid->es->p_data ) { msg_Warn( p_demux, "discontinuity indicator (pid=%d) ", pid->i_pid ); /* pid->es->p_data->i_flags |= BLOCK_FLAG_DISCONTINUITY; */ } #if 0 if( p[5]&0x40 ) msg_Dbg( p_demux, "random access indicator (pid=%d) ", pid->i_pid ); #endif } } /* Test continuity counter */ /* continuous when (one of this): * diff == 1 * diff == 0 and payload == 0 * diff == 0 and duplicate packet (playload != 0) <- should we * test the content ? */ const int i_diff = ( i_cc - pid->i_cc )&0x0f; if( b_payload && i_diff == 1 ) { pid->i_cc = ( pid->i_cc + 1 ) & 0xf; } else { if( pid->i_cc == 0xff ) { msg_Warn( p_demux, "first packet for pid=%d cc=0x%x", pid->i_pid, i_cc ); pid->i_cc = i_cc; } else if( i_diff != 0 && !b_discontinuity ) { msg_Warn( p_demux, "discontinuity received 0x%x instead of 0x%x (pid=%d)", i_cc, ( pid->i_cc + 1 )&0x0f, pid->i_pid ); pid->i_cc = i_cc; if( pid->es->p_data && pid->es->fmt.i_cat != VIDEO_ES ) { /* Small video artifacts are usually better than * dropping full frames */ pid->es->p_data->i_flags |= BLOCK_FLAG_CORRUPTED; } } } PCRHandle( p_demux, pid, p_bk ); if( i_skip >= 188 || pid->es->id == NULL ) { block_Release( p_bk ); return i_ret; } /* */ if( !pid->b_scrambled != !b_scrambled ) { msg_Warn( p_demux, "scrambled state changed on pid %d (%d->%d)", pid->i_pid, pid->b_scrambled, b_scrambled ); pid->b_scrambled = b_scrambled; for( int i = 0; i < pid->i_extra_es; i++ ) { es_out_Control( p_demux->out, ES_OUT_SET_ES_SCRAMBLED_STATE, pid->extra_es[i]->id, b_scrambled ); } es_out_Control( p_demux->out, ES_OUT_SET_ES_SCRAMBLED_STATE, pid->es->id, b_scrambled ); } /* We have to gather it */ p_bk->p_buffer += i_skip; p_bk->i_buffer -= i_skip; if( b_unit_start ) { if( pid->es->data_type == TS_ES_DATA_TABLE_SECTION && p_bk->i_buffer > 0 ) { int i_pointer_field = __MIN( p_bk->p_buffer[0], p_bk->i_buffer - 1 ); block_t *p = block_Duplicate( p_bk ); if( p ) { p->i_buffer = i_pointer_field; p->p_buffer++; block_ChainLastAppend( &pid->es->pp_last, p ); } p_bk->i_buffer -= 1 + i_pointer_field; p_bk->p_buffer += 1 + i_pointer_field; } if( pid->es->p_data ) { ParseData( p_demux, pid ); i_ret = true; } block_ChainLastAppend( &pid->es->pp_last, p_bk ); if( pid->es->data_type == TS_ES_DATA_PES ) { if( p_bk->i_buffer > 6 ) { pid->es->i_data_size = GetWBE( &p_bk->p_buffer[4] ); if( pid->es->i_data_size > 0 ) { pid->es->i_data_size += 6; } } } else if( pid->es->data_type == TS_ES_DATA_TABLE_SECTION ) { if( p_bk->i_buffer > 3 && p_bk->p_buffer[0] != 0xff ) { pid->es->i_data_size = 3 + (((p_bk->p_buffer[1] & 0xf) << 8) | p_bk->p_buffer[2]); } } pid->es->i_data_gathered += p_bk->i_buffer; if( pid->es->i_data_size > 0 && pid->es->i_data_gathered >= pid->es->i_data_size ) { ParseData( p_demux, pid ); i_ret = true; } } else { if( pid->es->p_data == NULL ) { /* msg_Dbg( p_demux, "broken packet" ); */ block_Release( p_bk ); } else { block_ChainLastAppend( &pid->es->pp_last, p_bk ); pid->es->i_data_gathered += p_bk->i_buffer; if( pid->es->i_data_size > 0 && pid->es->i_data_gathered >= pid->es->i_data_size ) { ParseData( p_demux, pid ); i_ret = true; } } } return i_ret; } static void PIDFillFormat( es_format_t *fmt, int i_stream_type ) { switch( i_stream_type ) { case 0x01: /* MPEG-1 video */ case 0x02: /* MPEG-2 video */ case 0x80: /* MPEG-2 MOTO video */ es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MPGV ); break; case 0x03: /* MPEG-1 audio */ case 0x04: /* MPEG-2 audio */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MPGA ); break; case 0x11: /* MPEG4 (audio) LATM */ case 0x0f: /* ISO/IEC 13818-7 Audio with ADTS transport syntax */ case 0x1c: /* ISO/IEC 14496-3 Audio, without using any additional transport syntax, such as DST, ALS and SLS */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MP4A ); break; case 0x10: /* MPEG4 (video) */ es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MP4V ); break; case 0x1B: /* H264 <- check transport syntax/needed descriptor */ es_format_Init( fmt, VIDEO_ES, VLC_CODEC_H264 ); break; case 0x24: /* HEVC */ es_format_Init( fmt, VIDEO_ES, VLC_CODEC_HEVC ); break; case 0x42: /* CAVS (Chinese AVS) */ es_format_Init( fmt, VIDEO_ES, VLC_CODEC_CAVS ); break; case 0x81: /* A52 (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_A52 ); break; case 0x82: /* SCTE-27 (sub) */ es_format_Init( fmt, SPU_ES, VLC_CODEC_SCTE_27 ); break; case 0x84: /* SDDS (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_SDDS ); break; case 0x85: /* DTS (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_DTS ); break; case 0x87: /* E-AC3 */ es_format_Init( fmt, AUDIO_ES, VLC_CODEC_EAC3 ); break; case 0x91: /* A52 vls (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', 'b' ) ); break; case 0x92: /* DVD_SPU vls (sub) */ es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', 'b' ) ); break; case 0x94: /* SDDS (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 'b' ) ); break; case 0xa0: /* MSCODEC vlc (video) (fixed later) */ es_format_Init( fmt, UNKNOWN_ES, 0 ); break; case 0x06: /* PES_PRIVATE (fixed later) */ case 0x12: /* MPEG-4 generic (sub/scene/...) (fixed later) */ case 0xEA: /* Privately managed ES (VC-1) (fixed later */ default: es_format_Init( fmt, UNKNOWN_ES, 0 ); break; } /* PES packets usually contain truncated frames */ fmt->b_packetized = false; } /***************************************************************************** * MP4 specific functions (IOD parser) *****************************************************************************/ static int IODDescriptorLength( int *pi_data, uint8_t **pp_data ) { unsigned int i_b; unsigned int i_len = 0; do { i_b = **pp_data; (*pp_data)++; (*pi_data)--; i_len = ( i_len << 7 ) + ( i_b&0x7f ); } while( i_b&0x80 && *pi_data > 0 ); if (i_len > *pi_data) i_len = *pi_data; return i_len; } static int IODGetBytes( int *pi_data, uint8_t **pp_data, size_t bytes ) { uint32_t res = 0; while( *pi_data > 0 && bytes-- ) { res <<= 8; res |= **pp_data; (*pp_data)++; (*pi_data)--; } return res; } static char* IODGetURL( int *pi_data, uint8_t **pp_data ) { int len = IODGetBytes( pi_data, pp_data, 1 ); if (len > *pi_data) len = *pi_data; char *url = strndup( (char*)*pp_data, len ); *pp_data += len; *pi_data -= len; return url; } static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data ) { uint8_t i_iod_tag, i_iod_label, byte1, byte2, byte3; iod_descriptor_t *p_iod = calloc( 1, sizeof( iod_descriptor_t ) ); if( !p_iod ) return NULL; if( i_data < 3 ) { return p_iod; } byte1 = IODGetBytes( &i_data, &p_data, 1 ); byte2 = IODGetBytes( &i_data, &p_data, 1 ); byte3 = IODGetBytes( &i_data, &p_data, 1 ); if( byte2 == 0x02 ) //old vlc's buggy implementation of the IOD_descriptor { i_iod_label = byte1; i_iod_tag = byte2; } else //correct implementation of the IOD_descriptor { i_iod_label = byte2; i_iod_tag = byte3; } ts_debug( "\n* iod label:%d tag:0x%x", i_iod_label, i_iod_tag ); if( i_iod_tag != 0x02 ) { ts_debug( "\n ERR: tag %02x != 0x02", i_iod_tag ); return p_iod; } IODDescriptorLength( &i_data, &p_data ); uint16_t i_od_id = ( IODGetBytes( &i_data, &p_data, 1 ) << 2 ); uint8_t i_flags = IODGetBytes( &i_data, &p_data, 1 ); i_od_id |= i_flags >> 6; ts_debug( "\n* od_id:%d", i_od_id ); ts_debug( "\n* includeInlineProfileLevel flag:%d", ( i_flags >> 4 )&0x01 ); if ((i_flags >> 5) & 0x01) { p_iod->psz_url = IODGetURL( &i_data, &p_data ); ts_debug( "\n* url string:%s", p_iod->psz_url ); ts_debug( "\n*****************************\n" ); return p_iod; } else { p_iod->psz_url = NULL; } /* Profile Level Indication */ IODGetBytes( &i_data, &p_data, 1 ); /* OD */ IODGetBytes( &i_data, &p_data, 1 ); /* scene */ IODGetBytes( &i_data, &p_data, 1 ); /* audio */ IODGetBytes( &i_data, &p_data, 1 ); /* visual */ IODGetBytes( &i_data, &p_data, 1 ); /* graphics */ int i_length = 0; int i_data_sav = i_data; uint8_t *p_data_sav = p_data; for (int i = 0; i_data > 0 && i < ES_DESCRIPTOR_COUNT; i++) { es_mpeg4_descriptor_t *es_descr = &p_iod->es_descr[i]; p_data = p_data_sav + i_length; i_data = i_data_sav - i_length; int i_tag = IODGetBytes( &i_data, &p_data, 1 ); i_length = IODDescriptorLength( &i_data, &p_data ); i_data_sav = i_data; p_data_sav = p_data; i_data = i_length; if ( i_tag != 0x03 ) { ts_debug( "\n* - OD tag:0x%x Unsupported", i_tag ); continue; } es_descr->i_es_id = IODGetBytes( &i_data, &p_data, 2 ); int i_flags = IODGetBytes( &i_data, &p_data, 1 ); bool b_streamDependenceFlag = ( i_flags >> 7 )&0x01; if( b_streamDependenceFlag ) IODGetBytes( &i_data, &p_data, 2 ); /* dependOn_es_id */ if( (i_flags >> 6) & 0x01 ) es_descr->psz_url = IODGetURL( &i_data, &p_data ); bool b_OCRStreamFlag = ( i_flags >> 5 )&0x01; if( b_OCRStreamFlag ) IODGetBytes( &i_data, &p_data, 2 ); /* OCR_es_id */ if( IODGetBytes( &i_data, &p_data, 1 ) != 0x04 ) { ts_debug( "\n* ERR missing DecoderConfigDescr" ); continue; } int i_config_desc_length = IODDescriptorLength( &i_data, &p_data ); /* DecoderConfigDescr_length */ decoder_config_descriptor_t *dec_descr = &es_descr->dec_descr; dec_descr->i_objectTypeIndication = IODGetBytes( &i_data, &p_data, 1 ); i_flags = IODGetBytes( &i_data, &p_data, 1 ); dec_descr->i_streamType = i_flags >> 2; IODGetBytes( &i_data, &p_data, 3); /* bufferSizeDB */ IODGetBytes( &i_data, &p_data, 4); /* maxBitrate */ IODGetBytes( &i_data, &p_data, 4 ); /* avgBitrate */ if( i_config_desc_length > 13 && IODGetBytes( &i_data, &p_data, 1 ) == 0x05 ) { dec_descr->i_extra = IODDescriptorLength( &i_data, &p_data ); if( dec_descr->i_extra > 0 ) { dec_descr->p_extra = xmalloc( dec_descr->i_extra ); memcpy(dec_descr->p_extra, p_data, dec_descr->i_extra); p_data += dec_descr->i_extra; i_data -= dec_descr->i_extra; } } else { dec_descr->i_extra = 0; dec_descr->p_extra = NULL; } if( IODGetBytes( &i_data, &p_data, 1 ) != 0x06 ) { ts_debug( "\n* ERR missing SLConfigDescr" ); continue; } IODDescriptorLength( &i_data, &p_data ); /* SLConfigDescr_length */ switch( IODGetBytes( &i_data, &p_data, 1 ) /* predefined */ ) { default: ts_debug( "\n* ERR unsupported SLConfigDescr predefined" ); case 0x01: // FIXME break; } es_descr->b_ok = true; } return p_iod; } static void IODFree( iod_descriptor_t *p_iod ) { if( p_iod->psz_url ) { free( p_iod->psz_url ); free( p_iod ); return; } for( int i = 0; i < 255; i++ ) { #define es_descr p_iod->es_descr[i] if( es_descr.b_ok ) { if( es_descr.psz_url ) free( es_descr.psz_url ); else free( es_descr.dec_descr.p_extra ); } #undef es_descr } free( p_iod ); } /**************************************************************************** **************************************************************************** ** libdvbpsi callbacks **************************************************************************** ****************************************************************************/ static bool ProgramIsSelected( demux_t *p_demux, uint16_t i_pgrm ) { demux_sys_t *p_sys = p_demux->p_sys; if( ( p_sys->i_current_program == -1 && p_sys->programs_list.i_count == 0 ) || p_sys->i_current_program == 0 ) return true; if( p_sys->i_current_program == i_pgrm ) return true; if( p_sys->programs_list.i_count != 0 ) { for( int i = 0; i < p_sys->programs_list.i_count; i++ ) { if( i_pgrm == p_sys->programs_list.p_values[i].i_int ) return true; } } return false; } static void ValidateDVBMeta( demux_t *p_demux, int i_pid ) { demux_sys_t *p_sys = p_demux->p_sys; if( !p_sys->b_dvb_meta || ( i_pid != 0x11 && i_pid != 0x12 && i_pid != 0x14 ) ) return; msg_Warn( p_demux, "Switching to non DVB mode" ); /* This doesn't look like a DVB stream so don't try * parsing the SDT/EDT/TDT */ for( int i = 0x11; i <= 0x14; i++ ) { if( i == 0x13 ) continue; ts_pid_t *p_pid = &p_sys->pid[i]; if( p_pid->psi ) { #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( dvbpsi_decoder_present( p_pid->psi->handle )) dvbpsi_DetachDemux( p_pid->psi->handle ); dvbpsi_delete( p_pid->psi->handle ); #else dvbpsi_DetachDemux( p_pid->psi->handle ); #endif free( p_pid->psi ); p_pid->psi = NULL; p_pid->b_valid = false; } SetPIDFilter( p_demux, i, false ); } p_sys->b_dvb_meta = false; } #include "dvb-text.h" static char *EITConvertToUTF8( demux_t *p_demux, const unsigned char *psz_instring, size_t i_length, bool b_broken ) { demux_sys_t *p_sys = p_demux->p_sys; #ifdef HAVE_ARIBB24 if( p_sys->arib.e_mode == ARIBMODE_ENABLED ) { if ( !p_sys->arib.p_instance ) p_sys->arib.p_instance = arib_instance_new( p_demux ); if ( !p_sys->arib.p_instance ) return NULL; arib_decoder_t *p_decoder = arib_get_decoder( p_sys->arib.p_instance ); if ( !p_decoder ) return NULL; char *psz_outstring = NULL; size_t i_out; i_out = i_length * 4; psz_outstring = (char*) calloc( i_out + 1, sizeof(char) ); if( !psz_outstring ) return NULL; arib_initialize_decoder( p_decoder ); i_out = arib_decode_buffer( p_decoder, psz_instring, i_length, psz_outstring, i_out ); arib_finalize_decoder( p_decoder ); return psz_outstring; } #else VLC_UNUSED(p_sys); #endif /* Deal with no longer broken providers (no switch byte but sending ISO_8859-1 instead of ISO_6937) without removing them from the broken providers table (keep the entry for correctly handling recorded TS). */ b_broken = b_broken && i_length && *psz_instring > 0x20; if( b_broken ) return FromCharset( "ISO_8859-1", psz_instring, i_length ); return vlc_from_EIT( psz_instring, i_length ); } static void SDTCallBack( demux_t *p_demux, dvbpsi_sdt_t *p_sdt ) { demux_sys_t *p_sys = p_demux->p_sys; ts_pid_t *sdt = &p_sys->pid[0x11]; dvbpsi_sdt_service_t *p_srv; msg_Dbg( p_demux, "SDTCallBack called" ); if( sdt->psi->i_sdt_version != -1 && ( !p_sdt->b_current_next || p_sdt->i_version == sdt->psi->i_sdt_version ) ) { dvbpsi_DeleteSDT( p_sdt ); return; } msg_Dbg( p_demux, "new SDT ts_id=%d version=%d current_next=%d " "network_id=%d", #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) p_sdt->i_extension, #else p_sdt->i_ts_id, #endif p_sdt->i_version, p_sdt->b_current_next, p_sdt->i_network_id ); p_sys->b_broken_charset = false; for( p_srv = p_sdt->p_first_service; p_srv; p_srv = p_srv->p_next ) { vlc_meta_t *p_meta; dvbpsi_descriptor_t *p_dr; const char *psz_type = NULL; const char *psz_status = NULL; msg_Dbg( p_demux, " * service id=%d eit schedule=%d present=%d " "running=%d free_ca=%d", p_srv->i_service_id, p_srv->b_eit_schedule, p_srv->b_eit_present, p_srv->i_running_status, p_srv->b_free_ca ); p_meta = vlc_meta_New(); for( p_dr = p_srv->p_first_descriptor; p_dr; p_dr = p_dr->p_next ) { if( p_dr->i_tag == 0x48 ) { static const char *ppsz_type[17] = { "Reserved", "Digital television service", "Digital radio sound service", "Teletext service", "NVOD reference service", "NVOD time-shifted service", "Mosaic service", "PAL coded signal", "SECAM coded signal", "D/D2-MAC", "FM Radio", "NTSC coded signal", "Data broadcast service", "Reserved for Common Interface Usage", "RCS Map (see EN 301 790 [35])", "RCS FLS (see EN 301 790 [35])", "DVB MHP service" }; dvbpsi_service_dr_t *pD = dvbpsi_DecodeServiceDr( p_dr ); char *str1 = NULL; char *str2 = NULL; /* Workarounds for broadcasters with broken EPG */ if( p_sdt->i_network_id == 133 ) p_sys->b_broken_charset = true; /* SKY DE & BetaDigital use ISO8859-1 */ /* List of providers using ISO8859-1 */ static const char ppsz_broken_providers[][8] = { "CSAT", /* CanalSat FR */ "GR1", /* France televisions */ "MULTI4", /* NT1 */ "MR5", /* France 2/M6 HD */ "" }; for( int i = 0; *ppsz_broken_providers[i]; i++ ) { const size_t i_length = strlen(ppsz_broken_providers[i]); if( pD->i_service_provider_name_length == i_length && !strncmp( (char *)pD->i_service_provider_name, ppsz_broken_providers[i], i_length ) ) p_sys->b_broken_charset = true; } /* FIXME: Digital+ ES also uses ISO8859-1 */ str1 = EITConvertToUTF8(p_demux, pD->i_service_provider_name, pD->i_service_provider_name_length, p_sys->b_broken_charset ); str2 = EITConvertToUTF8(p_demux, pD->i_service_name, pD->i_service_name_length, p_sys->b_broken_charset ); msg_Dbg( p_demux, " - type=%d provider=%s name=%s", pD->i_service_type, str1, str2 ); vlc_meta_SetTitle( p_meta, str2 ); vlc_meta_SetPublisher( p_meta, str1 ); if( pD->i_service_type >= 0x01 && pD->i_service_type <= 0x10 ) psz_type = ppsz_type[pD->i_service_type]; free( str1 ); free( str2 ); } } if( p_srv->i_running_status >= 0x01 && p_srv->i_running_status <= 0x04 ) { static const char *ppsz_status[5] = { "Unknown", "Not running", "Starts in a few seconds", "Pausing", "Running" }; psz_status = ppsz_status[p_srv->i_running_status]; } if( psz_type ) vlc_meta_AddExtra( p_meta, "Type", psz_type ); if( psz_status ) vlc_meta_AddExtra( p_meta, "Status", psz_status ); es_out_Control( p_demux->out, ES_OUT_SET_GROUP_META, p_srv->i_service_id, p_meta ); vlc_meta_Delete( p_meta ); } sdt->psi->i_sdt_version = p_sdt->i_version; dvbpsi_DeleteSDT( p_sdt ); } /* i_year: year - 1900 i_month: 0-11 i_mday: 1-31 i_hour: 0-23 i_minute: 0-59 i_second: 0-59 */ static int64_t vlc_timegm( int i_year, int i_month, int i_mday, int i_hour, int i_minute, int i_second ) { static const int pn_day[12+1] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }; int64_t i_day; if( i_year < 70 || i_month < 0 || i_month > 11 || i_mday < 1 || i_mday > 31 || i_hour < 0 || i_hour > 23 || i_minute < 0 || i_minute > 59 || i_second < 0 || i_second > 59 ) return -1; /* Count the number of days */ i_day = 365 * (i_year-70) + pn_day[i_month] + i_mday - 1; #define LEAP(y) ( ((y)%4) == 0 && (((y)%100) != 0 || ((y)%400) == 0) ? 1 : 0) for( int i = 70; i < i_year; i++ ) i_day += LEAP(1900+i); if( i_month > 1 ) i_day += LEAP(1900+i_year); #undef LEAP /**/ return ((24*i_day + i_hour)*60 + i_minute)*60 + i_second; } static void EITDecodeMjd( int i_mjd, int *p_y, int *p_m, int *p_d ) { const int yp = (int)( ( (double)i_mjd - 15078.2)/365.25 ); const int mp = (int)( ((double)i_mjd - 14956.1 - (int)(yp * 365.25)) / 30.6001 ); const int c = ( mp == 14 || mp == 15 ) ? 1 : 0; *p_y = 1900 + yp + c*1; *p_m = mp - 1 - c*12; *p_d = i_mjd - 14956 - (int)(yp*365.25) - (int)(mp*30.6001); } #define CVT_FROM_BCD(v) ((((v) >> 4)&0xf)*10 + ((v)&0xf)) static int64_t EITConvertStartTime( uint64_t i_date ) { const int i_mjd = i_date >> 24; const int i_hour = CVT_FROM_BCD(i_date >> 16); const int i_minute = CVT_FROM_BCD(i_date >> 8); const int i_second = CVT_FROM_BCD(i_date ); int i_year; int i_month; int i_day; /* if all 40 bits are 1, the start is unknown */ if( i_date == UINT64_C(0xffffffffff) ) return -1; EITDecodeMjd( i_mjd, &i_year, &i_month, &i_day ); return vlc_timegm( i_year - 1900, i_month - 1, i_day, i_hour, i_minute, i_second ); } static int EITConvertDuration( uint32_t i_duration ) { return CVT_FROM_BCD(i_duration >> 16) * 3600 + CVT_FROM_BCD(i_duration >> 8 ) * 60 + CVT_FROM_BCD(i_duration ); } #undef CVT_FROM_BCD static void TDTCallBack( demux_t *p_demux, dvbpsi_tot_t *p_tdt ) { demux_sys_t *p_sys = p_demux->p_sys; p_sys->i_tdt_delta = CLOCK_FREQ * EITConvertStartTime( p_tdt->i_utc_time ) - mdate(); dvbpsi_DeleteTOT(p_tdt); } static void EITCallBack( demux_t *p_demux, dvbpsi_eit_t *p_eit, bool b_current_following ) { demux_sys_t *p_sys = p_demux->p_sys; dvbpsi_eit_event_t *p_evt; vlc_epg_t *p_epg; msg_Dbg( p_demux, "EITCallBack called" ); if( !p_eit->b_current_next ) { dvbpsi_DeleteEIT( p_eit ); return; } msg_Dbg( p_demux, "new EIT service_id=%d version=%d current_next=%d " "ts_id=%d network_id=%d segment_last_section_number=%d " "last_table_id=%d", #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) p_eit->i_extension, #else p_eit->i_service_id, #endif p_eit->i_version, p_eit->b_current_next, p_eit->i_ts_id, p_eit->i_network_id, p_eit->i_segment_last_section_number, p_eit->i_last_table_id ); p_epg = vlc_epg_New( NULL ); for( p_evt = p_eit->p_first_event; p_evt; p_evt = p_evt->p_next ) { dvbpsi_descriptor_t *p_dr; char *psz_name = NULL; char *psz_text = NULL; char *psz_extra = strdup(""); int64_t i_start; int i_duration; int i_min_age = 0; int64_t i_tot_time = 0; i_start = EITConvertStartTime( p_evt->i_start_time ); i_duration = EITConvertDuration( p_evt->i_duration ); if( p_sys->arib.e_mode == ARIBMODE_ENABLED ) { if( p_sys->i_tdt_delta == 0 ) p_sys->i_tdt_delta = CLOCK_FREQ * (i_start + i_duration - 5) - mdate(); //i_start -= 9 * 60 * 60; // JST -> UTC time_t timer = time( NULL ); int64_t diff = difftime( mktime( localtime( &timer ) ), mktime( gmtime( &timer ) ) ); i_start -= diff; i_tot_time = (mdate() + p_sys->i_tdt_delta) / CLOCK_FREQ - diff; if( p_evt->i_running_status == 0x00 && (i_start - 5 < i_tot_time && i_tot_time < i_start + i_duration + 5) ) { p_evt->i_running_status = 0x04; msg_Dbg( p_demux, " EIT running status 0x00 -> 0x04" ); } } msg_Dbg( p_demux, " * event id=%d start_time:%d duration=%d " "running=%d free_ca=%d", p_evt->i_event_id, (int)i_start, (int)i_duration, p_evt->i_running_status, p_evt->b_free_ca ); for( p_dr = p_evt->p_first_descriptor; p_dr; p_dr = p_dr->p_next ) { switch(p_dr->i_tag) { case 0x4d: { dvbpsi_short_event_dr_t *pE = dvbpsi_DecodeShortEventDr( p_dr ); /* Only take first description, as we don't handle language-info for epg atm*/ if( pE && psz_name == NULL) { psz_name = EITConvertToUTF8( p_demux, pE->i_event_name, pE->i_event_name_length, p_sys->b_broken_charset ); psz_text = EITConvertToUTF8( p_demux, pE->i_text, pE->i_text_length, p_sys->b_broken_charset ); msg_Dbg( p_demux, " - short event lang=%3.3s '%s' : '%s'", pE->i_iso_639_code, psz_name, psz_text ); } } break; case 0x4e: { dvbpsi_extended_event_dr_t *pE = dvbpsi_DecodeExtendedEventDr( p_dr ); if( pE ) { msg_Dbg( p_demux, " - extended event lang=%3.3s [%d/%d]", pE->i_iso_639_code, pE->i_descriptor_number, pE->i_last_descriptor_number ); if( pE->i_text_length > 0 ) { char *psz_text = EITConvertToUTF8( p_demux, pE->i_text, pE->i_text_length, p_sys->b_broken_charset ); if( psz_text ) { msg_Dbg( p_demux, " - text='%s'", psz_text ); psz_extra = xrealloc( psz_extra, strlen(psz_extra) + strlen(psz_text) + 1 ); strcat( psz_extra, psz_text ); free( psz_text ); } } for( int i = 0; i < pE->i_entry_count; i++ ) { char *psz_dsc = EITConvertToUTF8( p_demux, pE->i_item_description[i], pE->i_item_description_length[i], p_sys->b_broken_charset ); char *psz_itm = EITConvertToUTF8( p_demux, pE->i_item[i], pE->i_item_length[i], p_sys->b_broken_charset ); if( psz_dsc && psz_itm ) { msg_Dbg( p_demux, " - desc='%s' item='%s'", psz_dsc, psz_itm ); #if 0 psz_extra = xrealloc( psz_extra, strlen(psz_extra) + strlen(psz_dsc) + strlen(psz_itm) + 3 + 1 ); strcat( psz_extra, "(" ); strcat( psz_extra, psz_dsc ); strcat( psz_extra, " " ); strcat( psz_extra, psz_itm ); strcat( psz_extra, ")" ); #endif } free( psz_dsc ); free( psz_itm ); } } } break; case 0x55: { dvbpsi_parental_rating_dr_t *pR = dvbpsi_DecodeParentalRatingDr( p_dr ); if ( pR ) { for ( int i = 0; i < pR->i_ratings_number; i++ ) { const dvbpsi_parental_rating_t *p_rating = & pR->p_parental_rating[ i ]; if ( p_rating->i_rating > 0x00 && p_rating->i_rating <= 0x0F ) { if ( p_rating->i_rating + 3 > i_min_age ) i_min_age = p_rating->i_rating + 3; msg_Dbg( p_demux, " - parental control set to %d years", i_min_age ); } } } } break; default: msg_Dbg( p_demux, " - event unknown dr 0x%x(%d)", p_dr->i_tag, p_dr->i_tag ); break; } } /* */ if( i_start > 0 && psz_name && psz_text) vlc_epg_AddEvent( p_epg, i_start, i_duration, psz_name, psz_text, *psz_extra ? psz_extra : NULL, i_min_age ); /* Update "now playing" field */ if( p_evt->i_running_status == 0x04 && i_start > 0 && psz_name && psz_text ) vlc_epg_SetCurrent( p_epg, i_start ); free( psz_name ); free( psz_text ); free( psz_extra ); } if( p_epg->i_event > 0 ) { if( b_current_following && ( p_sys->i_current_program == -1 || p_sys->i_current_program == #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) p_eit->i_extension #else p_eit->i_service_id #endif ) ) { p_sys->i_dvb_length = 0; p_sys->i_dvb_start = 0; if( p_epg->p_current ) { p_sys->i_dvb_start = CLOCK_FREQ * p_epg->p_current->i_start; p_sys->i_dvb_length = CLOCK_FREQ * p_epg->p_current->i_duration; } } es_out_Control( p_demux->out, ES_OUT_SET_GROUP_EPG, #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) p_eit->i_extension, #else p_eit->i_service_id, #endif p_epg ); } vlc_epg_Delete( p_epg ); dvbpsi_DeleteEIT( p_eit ); } static void EITCallBackCurrentFollowing( demux_t *p_demux, dvbpsi_eit_t *p_eit ) { EITCallBack( p_demux, p_eit, true ); } static void EITCallBackSchedule( demux_t *p_demux, dvbpsi_eit_t *p_eit ) { EITCallBack( p_demux, p_eit, false ); } #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) static void PSINewTableCallBack( dvbpsi_t *h, uint8_t i_table_id, uint16_t i_extension, demux_t *p_demux ) #else static void PSINewTableCallBack( demux_t *p_demux, dvbpsi_handle h, uint8_t i_table_id, uint16_t i_extension ) #endif { assert( h ); #if 0 msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)", i_table_id, i_table_id, i_extension, i_extension ); #endif if( p_demux->p_sys->pid[0].psi->i_pat_version != -1 && i_table_id == 0x42 ) { msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)", i_table_id, i_table_id, i_extension, i_extension ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( !dvbpsi_sdt_attach( h, i_table_id, i_extension, (dvbpsi_sdt_callback)SDTCallBack, p_demux ) ) msg_Err( p_demux, "PSINewTableCallback: failed attaching SDTCallback" ); #else dvbpsi_AttachSDT( h, i_table_id, i_extension, (dvbpsi_sdt_callback)SDTCallBack, p_demux ); #endif } else if( p_demux->p_sys->pid[0x11].psi->i_sdt_version != -1 && ( i_table_id == 0x4e || /* Current/Following */ (i_table_id >= 0x50 && i_table_id <= 0x5f) ) ) /* Schedule */ { msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)", i_table_id, i_table_id, i_extension, i_extension ); dvbpsi_eit_callback cb = i_table_id == 0x4e ? (dvbpsi_eit_callback)EITCallBackCurrentFollowing : (dvbpsi_eit_callback)EITCallBackSchedule; #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( !dvbpsi_eit_attach( h, i_table_id, i_extension, cb, p_demux ) ) msg_Err( p_demux, "PSINewTableCallback: failed attaching EITCallback" ); #else dvbpsi_AttachEIT( h, i_table_id, i_extension, cb, p_demux ); #endif } else if( p_demux->p_sys->pid[0x11].psi->i_sdt_version != -1 && (i_table_id == 0x70 /* TDT */ || i_table_id == 0x73 /* TOT */) ) { msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)", i_table_id, i_table_id, i_extension, i_extension ); #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) if( !dvbpsi_tot_attach( h, i_table_id, i_extension, (dvbpsi_tot_callback)TDTCallBack, p_demux ) ) msg_Err( p_demux, "PSINewTableCallback: failed attaching TDTCallback" ); #else dvbpsi_AttachTOT( h, i_table_id, i_extension, (dvbpsi_tot_callback)TDTCallBack, p_demux); #endif } } /***************************************************************************** * PMT callback and helpers *****************************************************************************/ static dvbpsi_descriptor_t *PMTEsFindDescriptor( const dvbpsi_pmt_es_t *p_es, int i_tag ) { dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;; while( p_dr && ( p_dr->i_tag != i_tag ) ) p_dr = p_dr->p_next; return p_dr; } static bool PMTEsHasRegistration( demux_t *p_demux, const dvbpsi_pmt_es_t *p_es, const char *psz_tag ) { dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x05 ); if( !p_dr ) return false; if( p_dr->i_length < 4 ) { msg_Warn( p_demux, "invalid Registration Descriptor" ); return false; } assert( strlen(psz_tag) == 4 ); return !memcmp( p_dr->p_data, psz_tag, 4 ); } static bool PMTEsHasComponentTag( const dvbpsi_pmt_es_t *p_es, int i_component_tag ) { dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x52 ); if( !p_dr ) return false; dvbpsi_stream_identifier_dr_t *p_si = dvbpsi_DecodeStreamIdentifierDr( p_dr ); if( !p_si ) return false; return p_si->i_component_tag == i_component_tag; } static void PMTSetupEsISO14496( demux_t *p_demux, ts_pid_t *pid, const ts_prg_psi_t *prg, const dvbpsi_pmt_es_t *p_es ) { es_format_t *p_fmt = &pid->es->fmt; /* MPEG-4 stream: search FMC_DESCRIPTOR (SL Packetized stream) */ dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x1f ); if( p_dr && p_dr->i_length == 2 ) { const int i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1]; msg_Dbg( p_demux, "found FMC_descriptor declaring sl packetization on es_id=%d", i_es_id ); pid->es->p_mpeg4desc = NULL; for( int i = 0; i < ES_DESCRIPTOR_COUNT; i++ ) { iod_descriptor_t *iod = prg->iod; if( iod->es_descr[i].i_es_id == i_es_id ) { if ( iod->es_descr[i].b_ok ) pid->es->p_mpeg4desc = &iod->es_descr[i]; else msg_Dbg( p_demux, "MPEG-4 descriptor not yet available on es_id=%d", i_es_id ); break; } } } if( !pid->es->p_mpeg4desc ) { switch( p_es->i_type ) { /* non fatal, set by packetizer */ case 0x0f: /* ADTS */ case 0x11: /* LOAS */ msg_Info( p_demux, "MPEG-4 descriptor not found for pid 0x%x type 0x%x", pid->i_pid, p_es->i_type ); break; default: msg_Err( p_demux, "MPEG-4 descriptor not found for pid 0x%x type 0x%x", pid->i_pid, p_es->i_type ); break; } return; } const decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr; if( dcd->i_streamType == 0x04 ) /* VisualStream */ { p_fmt->i_cat = VIDEO_ES; switch( dcd->i_objectTypeIndication ) { case 0x0B: /* mpeg4 sub */ p_fmt->i_cat = SPU_ES; p_fmt->i_codec = VLC_CODEC_SUBT; break; case 0x20: /* mpeg4 */ p_fmt->i_codec = VLC_CODEC_MP4V; break; case 0x21: /* h264 */ p_fmt->i_codec = VLC_CODEC_H264; break; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: /* mpeg2 */ p_fmt->i_codec = VLC_CODEC_MPGV; break; case 0x6a: /* mpeg1 */ p_fmt->i_codec = VLC_CODEC_MPGV; break; case 0x6c: /* mpeg1 */ p_fmt->i_codec = VLC_CODEC_JPEG; break; default: p_fmt->i_cat = UNKNOWN_ES; break; } } else if( dcd->i_streamType == 0x05 ) /* AudioStream */ { p_fmt->i_cat = AUDIO_ES; switch( dcd->i_objectTypeIndication ) { case 0x40: /* mpeg4 */ p_fmt->i_codec = VLC_CODEC_MP4A; break; case 0x66: case 0x67: case 0x68: /* mpeg2 aac */ p_fmt->i_codec = VLC_CODEC_MP4A; break; case 0x69: /* mpeg2 */ p_fmt->i_codec = VLC_CODEC_MPGA; break; case 0x6b: /* mpeg1 */ p_fmt->i_codec = VLC_CODEC_MPGA; break; default: p_fmt->i_cat = UNKNOWN_ES; break; } } else { p_fmt->i_cat = UNKNOWN_ES; } if( p_fmt->i_cat != UNKNOWN_ES ) { p_fmt->i_extra = dcd->i_extra; if( p_fmt->i_extra > 0 ) { p_fmt->p_extra = malloc( p_fmt->i_extra ); if( p_fmt->p_extra ) memcpy( p_fmt->p_extra, dcd->p_extra, p_fmt->i_extra ); else p_fmt->i_extra = 0; } } } typedef struct { int i_type; int i_magazine; int i_page; char p_iso639[3]; } ts_teletext_page_t; static void PMTSetupEsTeletext( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { es_format_t *p_fmt = &pid->es->fmt; ts_teletext_page_t p_page[2 * 64 + 20]; unsigned i_page = 0; /* Gather pages information */ #if defined _DVBPSI_DR_56_H_ && \ defined DVBPSI_VERSION && DVBPSI_VERSION_INT > DVBPSI_VERSION_WANTED(0,1,5) for( unsigned i_tag_idx = 0; i_tag_idx < 2; i_tag_idx++ ) { dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, i_tag_idx == 0 ? 0x46 : 0x56 ); if( !p_dr ) continue; dvbpsi_teletext_dr_t *p_sub = dvbpsi_DecodeTeletextDr( p_dr ); if( !p_sub ) continue; for( int i = 0; i < p_sub->i_pages_number; i++ ) { const dvbpsi_teletextpage_t *p_src = &p_sub->p_pages[i]; if( p_src->i_teletext_type >= 0x06 ) continue; assert( i_page < sizeof(p_page)/sizeof(*p_page) ); ts_teletext_page_t *p_dst = &p_page[i_page++]; p_dst->i_type = p_src->i_teletext_type; p_dst->i_magazine = p_src->i_teletext_magazine_number ? p_src->i_teletext_magazine_number : 8; p_dst->i_page = p_src->i_teletext_page_number; memcpy( p_dst->p_iso639, p_src->i_iso6392_language_code, 3 ); } } #endif dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x59 ); if( p_dr ) { dvbpsi_subtitling_dr_t *p_sub = dvbpsi_DecodeSubtitlingDr( p_dr ); for( int i = 0; p_sub && i < p_sub->i_subtitles_number; i++ ) { dvbpsi_subtitle_t *p_src = &p_sub->p_subtitle[i]; if( p_src->i_subtitling_type < 0x01 || p_src->i_subtitling_type > 0x03 ) continue; assert( i_page < sizeof(p_page)/sizeof(*p_page) ); ts_teletext_page_t *p_dst = &p_page[i_page++]; switch( p_src->i_subtitling_type ) { case 0x01: p_dst->i_type = 0x02; break; default: p_dst->i_type = 0x03; break; } /* FIXME check if it is the right split */ p_dst->i_magazine = (p_src->i_composition_page_id >> 8) ? (p_src->i_composition_page_id >> 8) : 8; p_dst->i_page = p_src->i_composition_page_id & 0xff; memcpy( p_dst->p_iso639, p_src->i_iso6392_language_code, 3 ); } } /* */ es_format_Init( p_fmt, SPU_ES, VLC_CODEC_TELETEXT ); if( !p_demux->p_sys->b_split_es || i_page <= 0 ) { p_fmt->subs.teletext.i_magazine = -1; p_fmt->subs.teletext.i_page = 0; p_fmt->psz_description = strdup( vlc_gettext(ppsz_teletext_type[1]) ); dvbpsi_descriptor_t *p_dr; p_dr = PMTEsFindDescriptor( p_es, 0x46 ); if( !p_dr ) p_dr = PMTEsFindDescriptor( p_es, 0x56 ); if( !p_demux->p_sys->b_split_es && p_dr && p_dr->i_length > 0 ) { /* Descriptor pass-through */ p_fmt->p_extra = malloc( p_dr->i_length ); if( p_fmt->p_extra ) { p_fmt->i_extra = p_dr->i_length; memcpy( p_fmt->p_extra, p_dr->p_data, p_dr->i_length ); } } } else { for( unsigned i = 0; i < i_page; i++ ) { ts_es_t *p_es; /* */ if( i == 0 ) { p_es = pid->es; } else { p_es = malloc( sizeof(*p_es) ); if( !p_es ) break; es_format_Copy( &p_es->fmt, &pid->es->fmt ); free( p_es->fmt.psz_language ); free( p_es->fmt.psz_description ); p_es->fmt.psz_language = NULL; p_es->fmt.psz_description = NULL; p_es->id = NULL; p_es->p_data = NULL; p_es->i_data_size = 0; p_es->i_data_gathered = 0; p_es->pp_last = &p_es->p_data; p_es->data_type = TS_ES_DATA_PES; p_es->p_mpeg4desc = NULL; TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es ); } /* */ const ts_teletext_page_t *p = &p_page[i]; p_es->fmt.i_priority = (p->i_type == 0x02 || p->i_type == 0x05) ? ES_PRIORITY_SELECTABLE_MIN : ES_PRIORITY_NOT_DEFAULTABLE; p_es->fmt.psz_language = strndup( p->p_iso639, 3 ); p_es->fmt.psz_description = strdup(vlc_gettext(ppsz_teletext_type[p->i_type])); p_es->fmt.subs.teletext.i_magazine = p->i_magazine; p_es->fmt.subs.teletext.i_page = p->i_page; msg_Dbg( p_demux, " * ttxt type=%s lan=%s page=%d%02x", p_es->fmt.psz_description, p_es->fmt.psz_language, p->i_magazine, p->i_page ); } } } static void PMTSetupEsDvbSubtitle( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { es_format_t *p_fmt = &pid->es->fmt; es_format_Init( p_fmt, SPU_ES, VLC_CODEC_DVBS ); dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x59 ); int i_page = 0; dvbpsi_subtitling_dr_t *p_sub = dvbpsi_DecodeSubtitlingDr( p_dr ); for( int i = 0; p_sub && i < p_sub->i_subtitles_number; i++ ) { const int i_type = p_sub->p_subtitle[i].i_subtitling_type; if( ( i_type >= 0x10 && i_type <= 0x14 ) || ( i_type >= 0x20 && i_type <= 0x24 ) ) i_page++; } if( !p_demux->p_sys->b_split_es || i_page <= 0 ) { p_fmt->subs.dvb.i_id = -1; p_fmt->psz_description = strdup( _("DVB subtitles") ); if( !p_demux->p_sys->b_split_es && p_dr && p_dr->i_length > 0 ) { /* Descriptor pass-through */ p_fmt->p_extra = malloc( p_dr->i_length ); if( p_fmt->p_extra ) { p_fmt->i_extra = p_dr->i_length; memcpy( p_fmt->p_extra, p_dr->p_data, p_dr->i_length ); } } } else { for( int i = 0; i < p_sub->i_subtitles_number; i++ ) { ts_es_t *p_es; /* */ if( i == 0 ) { p_es = pid->es; } else { p_es = malloc( sizeof(*p_es) ); if( !p_es ) break; es_format_Copy( &p_es->fmt, &pid->es->fmt ); free( p_es->fmt.psz_language ); free( p_es->fmt.psz_description ); p_es->fmt.psz_language = NULL; p_es->fmt.psz_description = NULL; p_es->id = NULL; p_es->p_data = NULL; p_es->i_data_size = 0; p_es->i_data_gathered = 0; p_es->pp_last = &p_es->p_data; p_es->data_type = TS_ES_DATA_PES; p_es->p_mpeg4desc = NULL; TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es ); } /* */ const dvbpsi_subtitle_t *p = &p_sub->p_subtitle[i]; p_es->fmt.psz_language = strndup( (char *)p->i_iso6392_language_code, 3 ); switch( p->i_subtitling_type ) { case 0x10: /* unspec. */ case 0x11: /* 4:3 */ case 0x12: /* 16:9 */ case 0x13: /* 2.21:1 */ case 0x14: /* HD monitor */ p_es->fmt.psz_description = strdup( _("DVB subtitles") ); break; case 0x20: /* Hearing impaired unspec. */ case 0x21: /* h.i. 4:3 */ case 0x22: /* h.i. 16:9 */ case 0x23: /* h.i. 2.21:1 */ case 0x24: /* h.i. HD monitor */ p_es->fmt.psz_description = strdup( _("DVB subtitles: hearing impaired") ); break; default: break; } /* Hack, FIXME */ p_es->fmt.subs.dvb.i_id = ( p->i_composition_page_id << 0 ) | ( p->i_ancillary_page_id << 16 ); } } } static void PMTSetupEs0x06( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { es_format_t *p_fmt = &pid->es->fmt; dvbpsi_descriptor_t *p_subs_dr = PMTEsFindDescriptor( p_es, 0x59 ); if( PMTEsHasRegistration( p_demux, p_es, "AC-3" ) || PMTEsFindDescriptor( p_es, 0x6a ) || PMTEsFindDescriptor( p_es, 0x81 ) ) { p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_A52; } else if( PMTEsFindDescriptor( p_es, 0x7a ) ) { /* DVB with stream_type 0x06 (ETS EN 300 468) */ p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_EAC3; } else if( PMTEsHasRegistration( p_demux, p_es, "DTS1" ) || PMTEsHasRegistration( p_demux, p_es, "DTS2" ) || PMTEsHasRegistration( p_demux, p_es, "DTS3" ) || PMTEsFindDescriptor( p_es, 0x73 ) ) { /*registration descriptor(ETSI TS 101 154 Annex F)*/ p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_DTS; } else if( PMTEsHasRegistration( p_demux, p_es, "BSSD" ) && !p_subs_dr ) { /* BSSD is AES3 DATA, but could also be subtitles * we need to check for secondary descriptor then s*/ p_fmt->i_cat = AUDIO_ES; p_fmt->b_packetized = true; p_fmt->i_codec = VLC_CODEC_302M; } else if( PMTEsHasRegistration( p_demux, p_es, "HEVC" ) ) { p_fmt->i_cat = VIDEO_ES; p_fmt->i_codec = VLC_CODEC_HEVC; } else if ( p_demux->p_sys->arib.e_mode == ARIBMODE_ENABLED ) { /* Lookup our data component descriptor first ARIB STD B10 6.4 */ dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0xFD ); /* and check that it maps to something ARIB STD B14 Table 5.1/5.2 */ if ( p_dr && p_dr->i_length >= 2 ) { if( !memcmp( p_dr->p_data, "\x00\x08", 2 ) && ( PMTEsHasComponentTag( p_es, 0x30 ) || PMTEsHasComponentTag( p_es, 0x31 ) || PMTEsHasComponentTag( p_es, 0x32 ) || PMTEsHasComponentTag( p_es, 0x33 ) || PMTEsHasComponentTag( p_es, 0x34 ) || PMTEsHasComponentTag( p_es, 0x35 ) || PMTEsHasComponentTag( p_es, 0x36 ) || PMTEsHasComponentTag( p_es, 0x37 ) ) ) { es_format_Init( &pid->es->fmt, SPU_ES, VLC_CODEC_ARIB_A ); p_fmt->psz_language = strndup ( "jpn", 3 ); p_fmt->psz_description = strdup( _("ARIB subtitles") ); } else if( !memcmp( p_dr->p_data, "\x00\x12", 2 ) && ( PMTEsHasComponentTag( p_es, 0x87 ) || PMTEsHasComponentTag( p_es, 0x88 ) ) ) { es_format_Init( &pid->es->fmt, SPU_ES, VLC_CODEC_ARIB_C ); p_fmt->psz_language = strndup ( "jpn", 3 ); p_fmt->psz_description = strdup( _("ARIB subtitles") ); } } } else { /* Subtitle/Teletext/VBI fallbacks */ dvbpsi_subtitling_dr_t *p_sub; if( p_subs_dr && ( p_sub = dvbpsi_DecodeSubtitlingDr( p_subs_dr ) ) ) { for( int i = 0; i < p_sub->i_subtitles_number; i++ ) { if( p_fmt->i_cat != UNKNOWN_ES ) break; switch( p_sub->p_subtitle[i].i_subtitling_type ) { case 0x01: /* EBU Teletext subtitles */ case 0x02: /* Associated EBU Teletext */ case 0x03: /* VBI data */ PMTSetupEsTeletext( p_demux, pid, p_es ); break; case 0x10: /* DVB Subtitle (normal) with no monitor AR critical */ case 0x11: /* ... on 4:3 AR monitor */ case 0x12: /* ... on 16:9 AR monitor */ case 0x13: /* ... on 2.21:1 AR monitor */ case 0x14: /* ... for display on a high definition monitor */ case 0x20: /* DVB Subtitle (impaired) with no monitor AR critical */ case 0x21: /* ... on 4:3 AR monitor */ case 0x22: /* ... on 16:9 AR monitor */ case 0x23: /* ... on 2.21:1 AR monitor */ case 0x24: /* ... for display on a high definition monitor */ PMTSetupEsDvbSubtitle( p_demux, pid, p_es ); break; default: msg_Err( p_demux, "Unrecognized DVB subtitle type (0x%x)", p_sub->p_subtitle[i].i_subtitling_type ); break; } } } if( p_fmt->i_cat == UNKNOWN_ES && ( PMTEsFindDescriptor( p_es, 0x45 ) || /* VBI Data descriptor */ PMTEsFindDescriptor( p_es, 0x46 ) || /* VBI Teletext descriptor */ PMTEsFindDescriptor( p_es, 0x56 ) ) ) /* EBU Teletext descriptor */ { /* Teletext/VBI */ PMTSetupEsTeletext( p_demux, pid, p_es ); } } /* FIXME is it useful ? */ if( PMTEsFindDescriptor( p_es, 0x52 ) ) { dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x52 ); dvbpsi_stream_identifier_dr_t *p_si = dvbpsi_DecodeStreamIdentifierDr( p_dr ); msg_Dbg( p_demux, " * Stream Component Identifier: %d", p_si->i_component_tag ); } } static void PMTSetupEs0xEA( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { /* Registration Descriptor */ if( !PMTEsHasRegistration( p_demux, p_es, "VC-1" ) ) { msg_Err( p_demux, "Registration descriptor not found or invalid" ); return; } es_format_t *p_fmt = &pid->es->fmt; /* registration descriptor for VC-1 (SMPTE rp227) */ p_fmt->i_cat = VIDEO_ES; p_fmt->i_codec = VLC_CODEC_VC1; /* XXX With Simple and Main profile the SEQUENCE * header is modified: video width and height are * inserted just after the start code as 2 int16_t * The packetizer will take care of that. */ } static void PMTSetupEs0xD1( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { /* Registration Descriptor */ if( !PMTEsHasRegistration( p_demux, p_es, "drac" ) ) { msg_Err( p_demux, "Registration descriptor not found or invalid" ); return; } es_format_t *p_fmt = &pid->es->fmt; /* registration descriptor for Dirac * (backwards compatable with VC-2 (SMPTE Sxxxx:2008)) */ p_fmt->i_cat = VIDEO_ES; p_fmt->i_codec = VLC_CODEC_DIRAC; } static void PMTSetupEs0xA0( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { /* MSCODEC sent by vlc */ dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0xa0 ); if( !p_dr || p_dr->i_length < 10 ) { msg_Warn( p_demux, "private MSCODEC (vlc) without bih private descriptor" ); return; } es_format_t *p_fmt = &pid->es->fmt; p_fmt->i_cat = VIDEO_ES; p_fmt->i_codec = VLC_FOURCC( p_dr->p_data[0], p_dr->p_data[1], p_dr->p_data[2], p_dr->p_data[3] ); p_fmt->video.i_width = GetWBE( &p_dr->p_data[4] ); p_fmt->video.i_height = GetWBE( &p_dr->p_data[6] ); p_fmt->i_extra = GetWBE( &p_dr->p_data[8] ); if( p_fmt->i_extra > 0 ) { p_fmt->p_extra = malloc( p_fmt->i_extra ); if( p_fmt->p_extra ) memcpy( p_fmt->p_extra, &p_dr->p_data[10], __MIN( p_fmt->i_extra, p_dr->i_length - 10 ) ); else p_fmt->i_extra = 0; } /* For such stream we will gather them ourself and don't launch a * packetizer. * Yes it's ugly but it's the only way to have DIV3 working */ p_fmt->b_packetized = true; } static void PMTSetupEs0x83( const dvbpsi_pmt_t *p_pmt, ts_pid_t *pid ) { /* WiDi broadcasts without registration on PMT 0x1, PCR 0x1000 and * with audio track pid being 0x1100..0x11FF */ if ( p_pmt->i_program_number == 0x1 && p_pmt->i_pcr_pid == 0x1000 && ( pid->i_pid >> 8 ) == 0x11 ) { /* Not enough ? might contain 0x83 private descriptor, 2 bytes 0x473F */ es_format_Init( &pid->es->fmt, AUDIO_ES, VLC_CODEC_WIDI_LPCM ); } else es_format_Init( &pid->es->fmt, AUDIO_ES, VLC_CODEC_DVD_LPCM ); } static bool PMTSetupEsHDMV( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { es_format_t *p_fmt = &pid->es->fmt; /* Blu-Ray mapping */ switch( p_es->i_type ) { case 0x80: p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_BD_LPCM; break; case 0x82: case 0x85: /* DTS-HD High resolution audio */ case 0x86: /* DTS-HD Master audio */ case 0xA2: /* Secondary DTS audio */ p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_DTS; break; case 0x83: /* TrueHD AC3 */ p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_TRUEHD; break; case 0x84: /* E-AC3 */ case 0xA1: /* Secondary E-AC3 */ p_fmt->i_cat = AUDIO_ES; p_fmt->i_codec = VLC_CODEC_EAC3; break; case 0x90: /* Presentation graphics */ p_fmt->i_cat = SPU_ES; p_fmt->i_codec = VLC_CODEC_BD_PG; break; case 0x91: /* Interactive graphics */ case 0x92: /* Subtitle */ return false; default: msg_Info( p_demux, "HDMV registration not implemented for pid 0x%x type 0x%x", p_es->i_pid, p_es->i_type ); return false; break; } return true; } static bool PMTSetupEsRegistration( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { static const struct { char psz_tag[5]; int i_cat; vlc_fourcc_t i_codec; } p_regs[] = { { "AC-3", AUDIO_ES, VLC_CODEC_A52 }, { "DTS1", AUDIO_ES, VLC_CODEC_DTS }, { "DTS2", AUDIO_ES, VLC_CODEC_DTS }, { "DTS3", AUDIO_ES, VLC_CODEC_DTS }, { "BSSD", AUDIO_ES, VLC_CODEC_302M }, { "VC-1", VIDEO_ES, VLC_CODEC_VC1 }, { "drac", VIDEO_ES, VLC_CODEC_DIRAC }, { "", UNKNOWN_ES, 0 } }; es_format_t *p_fmt = &pid->es->fmt; for( int i = 0; p_regs[i].i_cat != UNKNOWN_ES; i++ ) { if( PMTEsHasRegistration( p_demux, p_es, p_regs[i].psz_tag ) ) { p_fmt->i_cat = p_regs[i].i_cat; p_fmt->i_codec = p_regs[i].i_codec; if (p_es->i_type == 0x87) p_fmt->i_codec = VLC_CODEC_EAC3; return true; } } return false; } static char *GetAudioTypeDesc(demux_t *p_demux, int type) { static const char *audio_type[] = { NULL, N_("clean effects"), N_("hearing impaired"), N_("visual impaired commentary"), }; if (type < 0 || type > 3) msg_Dbg( p_demux, "unknown audio type: %d", type); else if (type > 0) return strdup(audio_type[type]); return NULL; } static void PMTParseEsIso639( demux_t *p_demux, ts_pid_t *pid, const dvbpsi_pmt_es_t *p_es ) { /* get language descriptor */ dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x0a ); if( !p_dr ) return; dvbpsi_iso639_dr_t *p_decoded = dvbpsi_DecodeISO639Dr( p_dr ); if( !p_decoded ) { msg_Err( p_demux, "Failed to decode a ISO 639 descriptor" ); return; } #if defined(DR_0A_API_VER) && (DR_0A_API_VER >= 2) pid->es->fmt.psz_language = malloc( 4 ); if( pid->es->fmt.psz_language ) { memcpy( pid->es->fmt.psz_language, p_decoded->code[0].iso_639_code, 3 ); pid->es->fmt.psz_language[3] = 0; msg_Dbg( p_demux, "found language: %s", pid->es->fmt.psz_language); } int type = p_decoded->code[0].i_audio_type; pid->es->fmt.psz_description = GetAudioTypeDesc(p_demux, type); if (type == 0) pid->es->fmt.i_priority = ES_PRIORITY_SELECTABLE_MIN + 1; // prioritize normal audio tracks pid->es->fmt.i_extra_languages = p_decoded->i_code_count-1; if( pid->es->fmt.i_extra_languages > 0 ) pid->es->fmt.p_extra_languages = malloc( sizeof(*pid->es->fmt.p_extra_languages) * pid->es->fmt.i_extra_languages ); if( pid->es->fmt.p_extra_languages ) { for( int i = 0; i < pid->es->fmt.i_extra_languages; i++ ) { pid->es->fmt.p_extra_languages[i].psz_language = malloc(4); if( pid->es->fmt.p_extra_languages[i].psz_language ) { memcpy( pid->es->fmt.p_extra_languages[i].psz_language, p_decoded->code[i+1].iso_639_code, 3 ); pid->es->fmt.p_extra_languages[i].psz_language[3] = '\0'; } int type = p_decoded->code[i].i_audio_type; pid->es->fmt.p_extra_languages[i].psz_description = GetAudioTypeDesc(p_demux, type); } } #else pid->es->fmt.psz_language = malloc( 4 ); if( pid->es->fmt.psz_language ) { memcpy( pid->es->fmt.psz_language, p_decoded->i_iso_639_code, 3 ); pid->es->fmt.psz_language[3] = 0; } #endif } static void PMTCallBack( void *data, dvbpsi_pmt_t *p_pmt ) { demux_t *p_demux = data; demux_sys_t *p_sys = p_demux->p_sys; ts_pid_t *pmt = NULL; ts_prg_psi_t *prg; msg_Dbg( p_demux, "PMTCallBack called" ); /* First find this PMT declared in PAT */ for( int i = 0; !pmt && i < p_sys->i_pmt; i++ ) for( int i_prg = 0; !pmt && i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ ) { const int i_pmt_number = p_sys->pmt[i]->psi->prg[i_prg]->i_number; if( i_pmt_number != TS_USER_PMT_NUMBER && i_pmt_number == p_pmt->i_program_number ) { pmt = p_sys->pmt[i]; prg = p_sys->pmt[i]->psi->prg[i_prg]; } } if( pmt == NULL ) { msg_Warn( p_demux, "unreferenced program (broken stream)" ); dvbpsi_DeletePMT(p_pmt); return; } if( prg->i_version != -1 && ( !p_pmt->b_current_next || prg->i_version == p_pmt->i_version ) ) { dvbpsi_DeletePMT( p_pmt ); return; } ts_pid_t **pp_clean = NULL; int i_clean = 0; /* Clean this program (remove all es) */ for( int i = 0; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; if( pid->b_valid && pid->p_owner == pmt->psi && pid->i_owner_number == prg->i_number && pid->psi == NULL ) { TAB_APPEND( i_clean, pp_clean, pid ); } } if( prg->iod ) { IODFree( prg->iod ); prg->iod = NULL; } msg_Dbg( p_demux, "new PMT program number=%d version=%d pid_pcr=%d", p_pmt->i_program_number, p_pmt->i_version, p_pmt->i_pcr_pid ); prg->i_pid_pcr = p_pmt->i_pcr_pid; prg->i_version = p_pmt->i_version; ValidateDVBMeta( p_demux, prg->i_pid_pcr ); if( ProgramIsSelected( p_demux, prg->i_number ) ) SetPIDFilter( p_demux, prg->i_pid_pcr, true ); /* Set demux filter */ /* Parse PMT descriptors */ ts_pmt_registration_type_t registration_type = TS_PMT_REGISTRATION_NONE; dvbpsi_descriptor_t *p_dr; /* First pass for standard detection */ if ( p_sys->arib.e_mode == ARIBMODE_AUTO ) { int i_arib_flags = 0; /* Descriptors can be repeated */ for( p_dr = p_pmt->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { switch(p_dr->i_tag) { case 0x09: { dvbpsi_ca_dr_t *p_cadr = dvbpsi_DecodeCADr( p_dr ); i_arib_flags |= (p_cadr->i_ca_system_id == 0x05); } break; case 0xF6: i_arib_flags |= 1 << 1; break; case 0xC1: i_arib_flags |= 1 << 2; break; default: break; } } if ( i_arib_flags == 0b111 ) p_sys->arib.e_mode = ARIBMODE_ENABLED; } for( p_dr = p_pmt->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { /* special descriptors handling */ switch(p_dr->i_tag) { case 0x1d: /* We have found an IOD descriptor */ msg_Dbg( p_demux, " * PMT descriptor : IOD (0x1d)" ); prg->iod = IODNew( p_dr->i_length, p_dr->p_data ); break; case 0x9: msg_Dbg( p_demux, " * PMT descriptor : CA (0x9) SysID 0x%x", (p_dr->p_data[0] << 8) | p_dr->p_data[1] ); break; case 0x5: /* Registration Descriptor */ if( p_dr->i_length != 4 ) { msg_Warn( p_demux, " * PMT invalid Registration Descriptor" ); } else { msg_Dbg( p_demux, " * PMT descriptor : registration %4.4s", p_dr->p_data ); if( !memcmp( p_dr->p_data, "HDMV", 4 ) || !memcmp( p_dr->p_data, "HDPR", 4 ) ) registration_type = TS_PMT_REGISTRATION_HDMV; /* Blu-Ray */ } break; case 0x0f: msg_Dbg( p_demux, " * PMT descriptor : Private Data (0x0f)" ); break; case 0xC1: msg_Dbg( p_demux, " * PMT descriptor : Digital copy control (0xC1)" ); break; case 0x88: /* EACEM Simulcast HD Logical channels ordering */ msg_Dbg( p_demux, " * descriptor : EACEM Simulcast HD" ); /* TODO: apply visibility flags */ break; default: msg_Dbg( p_demux, " * PMT descriptor : unknown (0x%x)", p_dr->i_tag ); } } dvbpsi_pmt_es_t *p_es; for( p_es = p_pmt->p_first_es; p_es != NULL; p_es = p_es->p_next ) { ts_pid_t tmp_pid, *old_pid = 0, *pid = &tmp_pid; /* Find out if the PID was already declared */ for( int i = 0; i < i_clean; i++ ) { if( pp_clean[i] == &p_sys->pid[p_es->i_pid] ) { old_pid = pp_clean[i]; break; } } ValidateDVBMeta( p_demux, p_es->i_pid ); if( !old_pid && p_sys->pid[p_es->i_pid].b_valid ) { msg_Warn( p_demux, " * PMT error: pid=%d already defined", p_es->i_pid ); continue; } char const * psz_typedesc = ""; switch(p_es->i_type) { case 0x00: psz_typedesc = "ISO/IEC Reserved"; break; case 0x01: psz_typedesc = "ISO/IEC 11172 Video"; break; case 0x02: psz_typedesc = "ISO/IEC 13818-2 Video or ISO/IEC 11172-2 constrained parameter video stream"; break; case 0x03: psz_typedesc = "ISO/IEC 11172 Audio"; break; case 0x04: psz_typedesc = "ISO/IEC 13818-3 Audio"; break; case 0x05: psz_typedesc = "ISO/IEC 13818-1 private_sections"; break; case 0x06: psz_typedesc = "ISO/IEC 13818-1 PES packets containing private data"; break; case 0x07: psz_typedesc = "ISO/IEC 13522 MHEG"; break; case 0x08: psz_typedesc = "ISO/IEC 13818-1 Annex A DSM CC"; break; case 0x09: psz_typedesc = "ITU-T Rec. H.222.1"; break; case 0x0A: psz_typedesc = "ISO/IEC 13818-6 type A"; break; case 0x0B: psz_typedesc = "ISO/IEC 13818-6 type B"; break; case 0x0C: psz_typedesc = "ISO/IEC 13818-6 type C"; break; case 0x0D: psz_typedesc = "ISO/IEC 13818-6 type D"; break; case 0x0E: psz_typedesc = "ISO/IEC 13818-1 auxiliary"; break; default: if (p_es->i_type >= 0x0F && p_es->i_type <=0x7F) psz_typedesc = "ISO/IEC 13818-1 Reserved"; else psz_typedesc = "User Private"; } msg_Dbg( p_demux, " * pid=%d type=0x%x %s", p_es->i_pid, p_es->i_type, psz_typedesc ); for( p_dr = p_es->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { msg_Dbg( p_demux, " - descriptor tag 0x%x", p_dr->i_tag ); } PIDInit( pid, false, pmt->psi ); PIDFillFormat( &pid->es->fmt, p_es->i_type ); pid->i_owner_number = prg->i_number; pid->i_pid = p_es->i_pid; pid->b_seen = p_sys->pid[p_es->i_pid].b_seen; bool b_registration_applied = false; if ( p_es->i_type >= 0x80 ) /* non standard, extensions */ { if ( registration_type == TS_PMT_REGISTRATION_HDMV ) { if (( b_registration_applied = PMTSetupEsHDMV( p_demux, pid, p_es ) )) msg_Dbg( p_demux, " + HDMV registration applied to pid %d type 0x%x", p_es->i_pid, p_es->i_type ); } else { if (( b_registration_applied = PMTSetupEsRegistration( p_demux, pid, p_es ) )) msg_Dbg( p_demux, " + registration applied to pid %d type 0x%x", p_es->i_pid, p_es->i_type ); } } if ( !b_registration_applied ) { switch( p_es->i_type ) { case 0x06: /* Handle PES private data */ PMTSetupEs0x06( p_demux, pid, p_es ); break; /* All other private or reserved types */ case 0x0f: case 0x10: case 0x11: case 0x12: PMTSetupEsISO14496( p_demux, pid, prg, p_es ); break; case 0x83: /* LPCM (audio) */ PMTSetupEs0x83( p_pmt, pid ); break; case 0xa0: PMTSetupEs0xA0( p_demux, pid, p_es ); break; case 0xd1: PMTSetupEs0xD1( p_demux, pid, p_es ); break; case 0xEA: PMTSetupEs0xEA( p_demux, pid, p_es ); default: break; } } if( pid->es->fmt.i_cat == AUDIO_ES || ( pid->es->fmt.i_cat == SPU_ES && pid->es->fmt.i_codec != VLC_CODEC_DVBS && pid->es->fmt.i_codec != VLC_CODEC_TELETEXT ) ) { PMTParseEsIso639( p_demux, pid, p_es ); } switch( pid->es->fmt.i_codec ) { case VLC_CODEC_SCTE_27: pid->es->data_type = TS_ES_DATA_TABLE_SECTION; break; default: //pid->es->data_type = TS_ES_DATA_PES; break; } pid->es->fmt.i_group = p_pmt->i_program_number; for( int i = 0; i < pid->i_extra_es; i++ ) pid->extra_es[i]->fmt.i_group = p_pmt->i_program_number; if( pid->es->fmt.i_cat == UNKNOWN_ES ) { msg_Dbg( p_demux, " => pid %d content is *unknown*", p_es->i_pid ); } else { msg_Dbg( p_demux, " => pid %d has now es fcc=%4.4s", p_es->i_pid, (char*)&pid->es->fmt.i_codec ); if( p_sys->b_es_id_pid ) pid->es->fmt.i_id = p_es->i_pid; /* Check if we can avoid restarting the ES */ if( old_pid && pid->es->fmt.i_codec == old_pid->es->fmt.i_codec && pid->es->fmt.i_extra == old_pid->es->fmt.i_extra && pid->es->fmt.i_extra == 0 && pid->i_extra_es == old_pid->i_extra_es && ( ( !pid->es->fmt.psz_language && !old_pid->es->fmt.psz_language ) || ( pid->es->fmt.psz_language && old_pid->es->fmt.psz_language && !strcmp( pid->es->fmt.psz_language, old_pid->es->fmt.psz_language ) ) ) ) { pid->i_cc = old_pid->i_cc; ts_es_t *e = pid->es; pid->es = old_pid->es; old_pid->es = e; for( int i = 0; i < pid->i_extra_es; i++ ) { e = pid->extra_es[i]; pid->extra_es[i] = old_pid->extra_es[i]; old_pid->extra_es[i] = e; } } else { pid->es->id = es_out_Add( p_demux->out, &pid->es->fmt ); for( int i = 0; i < pid->i_extra_es; i++ ) { pid->extra_es[i]->id = es_out_Add( p_demux->out, &pid->extra_es[i]->fmt ); } p_sys->i_pmt_es += 1 + pid->i_extra_es; } } /* Add ES to the list */ if( old_pid ) { PIDClean( p_demux, old_pid ); TAB_REMOVE( i_clean, pp_clean, old_pid ); } p_sys->pid[p_es->i_pid] = *pid; p_dr = PMTEsFindDescriptor( p_es, 0x09 ); if( p_dr && p_dr->i_length >= 2 ) { msg_Dbg( p_demux, " * PMT descriptor : CA (0x9) SysID 0x%x", (p_dr->p_data[0] << 8) | p_dr->p_data[1] ); } if( ProgramIsSelected( p_demux, prg->i_number ) && pid->es->id != NULL ) SetPIDFilter( p_demux, p_es->i_pid, true ); /* Set demux filter */ } /* Set CAM descrambling */ if( !ProgramIsSelected( p_demux, prg->i_number ) || stream_Control( p_demux->s, STREAM_SET_PRIVATE_ID_CA, p_pmt ) != VLC_SUCCESS ) dvbpsi_DeletePMT( p_pmt ); for( int i = 0; i < i_clean; i++ ) { if( ProgramIsSelected( p_demux, prg->i_number ) ) SetPIDFilter( p_demux, pp_clean[i]->i_pid, false ); PIDClean( p_demux, pp_clean[i] ); } if( i_clean ) free( pp_clean ); } static void PATCallBack( void *data, dvbpsi_pat_t *p_pat ) { demux_t *p_demux = data; demux_sys_t *p_sys = p_demux->p_sys; dvbpsi_pat_program_t *p_program; ts_pid_t *pat = &p_sys->pid[0]; msg_Dbg( p_demux, "PATCallBack called" ); if( ( pat->psi->i_pat_version != -1 && ( !p_pat->b_current_next || p_pat->i_version == pat->psi->i_pat_version ) ) || p_sys->b_user_pmt ) { dvbpsi_DeletePAT( p_pat ); return; } msg_Dbg( p_demux, "new PAT ts_id=%d version=%d current_next=%d", p_pat->i_ts_id, p_pat->i_version, p_pat->b_current_next ); /* Clean old */ if( p_sys->i_pmt > 0 ) { int i_pmt_rm = 0; ts_pid_t **pmt_rm = NULL; /* Search pmt to be deleted */ for( int i = 0; i < p_sys->i_pmt; i++ ) { ts_pid_t *pmt = p_sys->pmt[i]; bool b_keep = false; for( p_program = p_pat->p_first_program; !b_keep && p_program; p_program = p_program->p_next ) { if( p_program->i_pid != pmt->i_pid ) continue; for( int i_prg = 0; !b_keep && i_prg < pmt->psi->i_prg; i_prg++ ) if( p_program->i_number == pmt->psi->prg[i_prg]->i_number ) b_keep = true; } if( b_keep ) continue; TAB_APPEND( i_pmt_rm, pmt_rm, pmt ); } /* Delete all ES attached to thoses PMT */ for( int i = 2; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; if( !pid->b_valid || pid->psi ) continue; for( int j = 0; j < i_pmt_rm && pid->b_valid; j++ ) { for( int i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ ) { /* We only remove es that aren't defined by extra pmt */ if( pid->p_owner->prg[i_prg]->i_pid_pmt != pmt_rm[j]->i_pid ) continue; if( pid->es->id ) SetPIDFilter( p_demux, i, false ); PIDClean( p_demux, pid ); break; } } } /* Delete PMT pid */ for( int i = 0; i < i_pmt_rm; i++ ) { ts_pid_t *pid = pmt_rm[i]; SetPIDFilter( p_demux, pid->i_pid, false ); for( int i_prg = 0; i_prg < pid->psi->i_prg; i_prg++ ) { const int i_number = pid->psi->prg[i_prg]->i_number; es_out_Control( p_demux->out, ES_OUT_DEL_GROUP, i_number ); } PIDClean( p_demux, &p_sys->pid[pid->i_pid] ); TAB_REMOVE( p_sys->i_pmt, p_sys->pmt, pid ); } free( pmt_rm ); } /* now create programs */ for( p_program = p_pat->p_first_program; p_program != NULL; p_program = p_program->p_next ) { msg_Dbg( p_demux, " * number=%d pid=%d", p_program->i_number, p_program->i_pid ); if( p_program->i_number == 0 ) continue; ts_pid_t *pmt = &p_sys->pid[p_program->i_pid]; ValidateDVBMeta( p_demux, p_program->i_pid ); if( pmt->b_valid ) { bool b_add = true; for( int i_prg = 0; b_add && i_prg < pmt->psi->i_prg; i_prg++ ) if( pmt->psi->prg[i_prg]->i_number == p_program->i_number ) b_add = false; if( !b_add ) continue; } else { TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt ); } PIDInit( pmt, true, pat->psi ); ts_prg_psi_t *prg = pmt->psi->prg[pmt->psi->i_prg-1]; #if (DVBPSI_VERSION_INT >= DVBPSI_VERSION_WANTED(1,0,0)) prg->handle = dvbpsi_new( &dvbpsi_messages, DVBPSI_MSG_DEBUG ); if( !prg->handle ) { dvbpsi_DeletePAT( p_pat ); return; } prg->handle->p_sys = (void *) VLC_OBJECT(p_demux); if( !dvbpsi_pmt_attach( prg->handle, p_program->i_number, PMTCallBack, p_demux ) ) msg_Err( p_demux, "PATCallback failed attaching PMTCallback to program %d", p_program->i_number ); #else prg->handle = dvbpsi_AttachPMT( p_program->i_number, PMTCallBack, p_demux ); #endif prg->i_number = p_program->i_number; prg->i_pid_pmt = p_program->i_pid; /* Now select PID at access level */ if( ProgramIsSelected( p_demux, p_program->i_number ) ) { if( p_sys->i_current_program == 0 ) p_sys->i_current_program = p_program->i_number; if( SetPIDFilter( p_demux, p_program->i_pid, true ) ) p_sys->b_access_control = false; } } pat->psi->i_pat_version = p_pat->i_version; dvbpsi_DeletePAT( p_pat ); }