/***************************************************************************** * ts.c: Transport Stream input module for VLC. ***************************************************************************** * Copyright (C) 2004-2005 the VideoLAN team * $Id$ * * Authors: Laurent Aimar * Jean-Paul Saman * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 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 General Public License for more details. * * You should have received a copy of the GNU 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 #include #include #include /* DVB-specific things */ #include #include #include #include #include #include #include "../mux/mpeg/csa.h" /* Include dvbpsi headers */ #ifdef HAVE_DVBPSI_DR_H # include # include # include # include # include # include # include # include #else # include "dvbpsi.h" # include "demux.h" # include "descriptor.h" # include "tables/pat.h" # include "tables/pmt.h" # include "tables/sdt.h" # include "descriptors/dr.h" # include "psi.h" #endif /* EIT support */ #ifdef _DVBPSI_DR_4D_H_ # define TS_USE_DVB_SI 1 # ifdef HAVE_DVBPSI_DR_H # include # else # include "tables/eit.h" # endif #endif #ifdef HAVE_TIME_H # include #endif #undef TS_DEBUG /* TODO: * - XXX: do not mark options message to be translated, they are too osbcure for now ... * - test it * - ... */ /***************************************************************************** * Callback prototypes *****************************************************************************/ static int ChangeKeyCallback ( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * ); /***************************************************************************** * 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=\"}\'.") #define TSOUT_TEXT N_("Fast udp streaming") #define TSOUT_LONGTEXT N_( \ "Sends TS to specific ip:port by udp (you must know what you are doing).") #define MTUOUT_TEXT N_("MTU for out mode") #define MTUOUT_LONGTEXT N_("MTU for out mode.") #define CSA_TEXT N_("CSA ck") #define CSA_LONGTEXT N_("Control word for the CSA encryption algorithm") #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 SILENT_TEXT N_("Silent mode") #define SILENT_LONGTEXT N_("Do not complain on encrypted PES.") #define CAPMT_SYSID_TEXT N_("CAPMT System ID") #define CAPMT_SYSID_LONGTEXT N_("Only forward descriptors from this SysID to the CAM.") #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 TSDUMP_TEXT N_("Filename of dump") #define TSDUMP_LONGTEXT N_("Specify a filename where to dump the TS in.") #define APPEND_TEXT N_("Append") #define APPEND_LONGTEXT N_( \ "If the file exists and this option is selected, the existing file " \ "will not be overwritten." ) #define DUMPSIZE_TEXT N_("Dump buffer size") #define DUMPSIZE_LONGTEXT N_( \ "Tweak the buffer size for reading and writing an integer number of packets." \ "Specify the size of the buffer here and not the number of packets." ) 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, NULL, PMT_TEXT, PMT_LONGTEXT, true ); add_bool( "ts-es-id-pid", 1, NULL, PID_TEXT, PID_LONGTEXT, true ); add_string( "ts-out", NULL, NULL, TSOUT_TEXT, TSOUT_LONGTEXT, true ); add_integer( "ts-out-mtu", 1400, NULL, MTUOUT_TEXT, MTUOUT_LONGTEXT, true ); add_string( "ts-csa-ck", NULL, NULL, CSA_TEXT, CSA_LONGTEXT, true ); add_string( "ts-csa2-ck", NULL, NULL, CSA_TEXT, CSA_LONGTEXT, true ); add_integer( "ts-csa-pkt", 188, NULL, CPKT_TEXT, CPKT_LONGTEXT, true ); add_bool( "ts-silent", 0, NULL, SILENT_TEXT, SILENT_LONGTEXT, true ); add_file( "ts-dump-file", NULL, NULL, TSDUMP_TEXT, TSDUMP_LONGTEXT, false ); add_bool( "ts-dump-append", 0, NULL, APPEND_TEXT, APPEND_LONGTEXT, false ); add_integer( "ts-dump-size", 16384, NULL, DUMPSIZE_TEXT, DUMPSIZE_LONGTEXT, true ); 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; bool b_upStream; uint32_t i_bufferSizeDB; uint32_t i_maxBitrate; uint32_t i_avgBitrate; int i_decoder_specific_info_len; uint8_t *p_decoder_specific_info; } decoder_config_descriptor_t; typedef struct { bool b_useAccessUnitStartFlag; bool b_useAccessUnitEndFlag; bool b_useRandomAccessPointFlag; bool b_useRandomAccessUnitsOnlyFlag; bool b_usePaddingFlag; bool b_useTimeStampsFlags; bool b_useIdleFlag; bool b_durationFlag; uint32_t i_timeStampResolution; uint32_t i_OCRResolution; uint8_t i_timeStampLength; uint8_t i_OCRLength; uint8_t i_AU_Length; uint8_t i_instantBitrateLength; uint8_t i_degradationPriorityLength; uint8_t i_AU_seqNumLength; uint8_t i_packetSeqNumLength; uint32_t i_timeScale; uint16_t i_accessUnitDuration; uint16_t i_compositionUnitDuration; uint64_t i_startDecodingTimeStamp; uint64_t i_startCompositionTimeStamp; } sl_config_descriptor_t; typedef struct { bool b_ok; uint16_t i_es_id; bool b_streamDependenceFlag; bool b_OCRStreamFlag; uint8_t i_streamPriority; char *psz_url; uint16_t i_dependOn_es_id; uint16_t i_OCR_es_id; decoder_config_descriptor_t dec_descr; sl_config_descriptor_t sl_descr; } es_mpeg4_descriptor_t; typedef struct { uint8_t i_iod_label, i_iod_label_scope; /* IOD */ uint16_t i_od_id; char *psz_url; uint8_t i_ODProfileLevelIndication; uint8_t i_sceneProfileLevelIndication; uint8_t i_audioProfileLevelIndication; uint8_t i_visualProfileLevelIndication; uint8_t i_graphicsProfileLevelIndication; es_mpeg4_descriptor_t es_descr[255]; } iod_descriptor_t; typedef struct { dvbpsi_handle handle; int i_version; int i_number; int i_pid_pcr; int i_pid_pmt; /* 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 struct { es_format_t fmt; es_out_id_t *id; int i_pes_size; int i_pes_gathered; block_t *p_pes; block_t **pp_last; es_mpeg4_descriptor_t *p_mpeg4desc; int b_gather; } ts_es_t; typedef struct { int i_pid; bool b_seen; bool b_valid; int i_cc; /* countinuity counter */ /* 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; /* how many TS packet we read at once */ int i_ts_read; /* All pid */ ts_pid_t pid[8192]; /* All PMT */ bool b_user_pmt; int i_pmt; ts_pid_t **pmt; /* */ bool b_es_id_pid; csa_t *csa; int i_csa_pkt_size; bool b_silent; bool b_udp_out; int fd; /* udp socket */ uint8_t *buffer; bool b_dvb_control; int i_dvb_program; int64_t i_dvb_start; int64_t i_dvb_length; vlc_list_t *p_programs_list; /* TS dump */ char *psz_file; /* file to dump data in */ FILE *p_file; /* filehandle */ uint64_t i_write; /* bytes written */ bool b_file_out; /* dump mode enabled */ /* */ bool b_meta; /* */ bool b_start_record; }; static int Demux ( demux_t *p_demux ); static int DemuxFile( 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( es_out_t *out, ts_pid_t *pid ); static int PIDFillFormat( ts_pid_t *pid, int i_stream_type ); static void PATCallBack( demux_t *, dvbpsi_pat_t * ); static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt ); #ifdef TS_USE_DVB_SI static void PSINewTableCallBack( demux_t *, dvbpsi_handle, uint8_t i_table_id, uint16_t i_extension ); #endif static inline int PIDGet( block_t *p ) { return ( (p->p_buffer[1]&0x1f)<<8 )|p->p_buffer[2]; } static bool GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk ); static void PCRHandle( demux_t *p_demux, ts_pid_t *, block_t * ); static iod_descriptor_t *IODNew( int , uint8_t * ); static void IODFree( iod_descriptor_t * ); #define TS_USER_PMT_NUMBER (0) static int UserPmt( demux_t *p_demux, const char * ); #define TS_PACKET_SIZE_188 188 #define TS_PACKET_SIZE_192 192 #define TS_PACKET_SIZE_204 204 #define TS_PACKET_SIZE_MAX 204 #define TS_TOPFIELD_HEADER 1320 /***************************************************************************** * Open *****************************************************************************/ static int Open( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; const uint8_t *p_peek; int i_sync, i_peek, i; int i_packet_size; ts_pid_t *pat; const char *psz_mode; bool b_append; bool b_topfield = false; vlc_value_t val; if( stream_Peek( p_demux->s, &p_peek, TS_PACKET_SIZE_MAX ) < TS_PACKET_SIZE_MAX ) return VLC_EGENERIC; if( memcmp( p_peek, "TFrc", 4 ) == 0 ) { b_topfield = true; msg_Dbg( p_demux, "this is a topfield file" ); } /* Search first sync byte */ for( i_sync = 0; i_sync < TS_PACKET_SIZE_MAX; i_sync++ ) { if( p_peek[i_sync] == 0x47 ) break; } if( i_sync >= TS_PACKET_SIZE_MAX && !b_topfield ) { if( !p_demux->b_force ) return VLC_EGENERIC; msg_Warn( p_demux, "this does not look like a TS stream, continuing" ); } if( b_topfield ) { /* Read the entire Topfield header */ i_peek = TS_TOPFIELD_HEADER; } else { /* Check next 3 sync bytes */ 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 VLC_EGENERIC; } if( p_peek[i_sync + 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 ) { i_packet_size = TS_PACKET_SIZE_188; } else if( p_peek[i_sync + 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 ) { i_packet_size = TS_PACKET_SIZE_192; } else if( p_peek[i_sync + 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 ) { i_packet_size = TS_PACKET_SIZE_204; } else if( p_demux->b_force ) { i_packet_size = TS_PACKET_SIZE_188; } else if( b_topfield ) { i_packet_size = TS_PACKET_SIZE_188; #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 = malloc(25); char *psz_event_name; char *psz_event_text = malloc(130); char *psz_ext_text = malloc(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 = malloc( 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 } else { msg_Warn( p_demux, "TS module discarded (lost sync)" ); 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 ) ); p_sys->i_packet_size = i_packet_size; vlc_mutex_init( &p_sys->csa_lock ); /* Fill dump mode fields */ p_sys->i_write = 0; p_sys->p_file = NULL; p_sys->b_file_out = false; p_sys->psz_file = var_CreateGetString( p_demux, "ts-dump-file" ); if( *p_sys->psz_file != '\0' ) { p_sys->b_file_out = true; var_Create( p_demux, "ts-dump-append", VLC_VAR_BOOL|VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-dump-append", &val ); b_append = val.b_bool; if ( b_append ) psz_mode = "ab"; else psz_mode = "wb"; if( !strcmp( p_sys->psz_file, "-" ) ) { msg_Info( p_demux, "dumping raw stream to standard output" ); p_sys->p_file = stdout; } else if( ( p_sys->p_file = utf8_fopen( p_sys->psz_file, psz_mode ) ) == NULL ) { msg_Err( p_demux, "cannot create `%s' for writing", p_sys->psz_file ); p_sys->b_file_out = false; } if( p_sys->b_file_out ) { vlc_value_t bufsize; /* Determine how many packets to read. */ var_Create( p_demux, "ts-dump-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-dump-size", &bufsize ); p_sys->i_ts_read = (int) (bufsize.i_int / p_sys->i_packet_size); if( p_sys->i_ts_read <= 0 ) { p_sys->i_ts_read = 1500 / p_sys->i_packet_size; } p_sys->buffer = malloc( p_sys->i_packet_size * p_sys->i_ts_read ); msg_Info( p_demux, "%s raw stream to file `%s' reading packets %d", b_append ? "appending" : "dumping", p_sys->psz_file, p_sys->i_ts_read ); } } /* Fill p_demux field */ if( p_sys->b_file_out ) p_demux->pf_demux = DemuxFile; else p_demux->pf_demux = Demux; p_demux->pf_control = Control; /* Init p_sys field */ p_sys->b_meta = true; p_sys->b_dvb_control = true; p_sys->i_dvb_program = 0; p_sys->i_dvb_start = 0; p_sys->i_dvb_length = 0; for( 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->b_udp_out = false; p_sys->i_ts_read = 50; p_sys->csa = NULL; p_sys->b_start_record = false; /* Init PAT handler */ pat = &p_sys->pid[0]; PIDInit( pat, true, NULL ); pat->psi->handle = dvbpsi_AttachPAT( (dvbpsi_pat_callback)PATCallBack, p_demux ); #ifdef TS_USE_DVB_SI if( p_sys->b_meta ) { ts_pid_t *sdt = &p_sys->pid[0x11]; ts_pid_t *eit = &p_sys->pid[0x12]; PIDInit( sdt, true, NULL ); sdt->psi->handle = dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack, p_demux ); PIDInit( eit, true, NULL ); eit->psi->handle = dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack, p_demux ); if( p_sys->b_dvb_control ) { if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, 0x11, true ) || stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, 0x12, true ) ) p_sys->b_dvb_control = false; } } #endif /* Init PMT array */ p_sys->i_pmt = 0; p_sys->pmt = NULL; /* Read config */ var_Create( p_demux, "ts-es-id-pid", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-es-id-pid", &val ); p_sys->b_es_id_pid = val.b_bool; var_Create( p_demux, "ts-out", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-out", &val ); if( val.psz_string && *val.psz_string && !p_sys->b_file_out ) { vlc_value_t mtu; char *psz = strchr( val.psz_string, ':' ); int i_port = 0; p_sys->b_udp_out = true; if( psz ) { *psz++ = '\0'; i_port = atoi( psz ); } if( i_port <= 0 ) i_port = 1234; msg_Dbg( p_demux, "resend ts to '%s:%d'", val.psz_string, i_port ); p_sys->fd = net_ConnectUDP( VLC_OBJECT(p_demux), val.psz_string, i_port, -1 ); if( p_sys->fd < 0 ) { msg_Err( p_demux, "failed to open udp socket, send disabled" ); p_sys->b_udp_out = false; } else { var_Create( p_demux, "ts-out-mtu", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-out-mtu", &mtu ); p_sys->i_ts_read = mtu.i_int / p_sys->i_packet_size; if( p_sys->i_ts_read <= 0 ) { p_sys->i_ts_read = 1500 / p_sys->i_packet_size; } p_sys->buffer = malloc( p_sys->i_packet_size * p_sys->i_ts_read ); } } free( val.psz_string ); /* We handle description of an extra PMT */ var_Create( p_demux, "ts-extra-pmt", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-extra-pmt", &val ); p_sys->b_user_pmt = false; if( val.psz_string && *val.psz_string ) UserPmt( p_demux, val.psz_string ); free( val.psz_string ); var_Create( p_demux, "ts-csa-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND ); var_Get( p_demux, "ts-csa-ck", &val ); if( val.psz_string && *val.psz_string ) { int i_res; vlc_value_t csa2; p_sys->csa = csa_New(); var_Create( p_demux, "ts-csa2-ck", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND); var_Get( p_demux, "ts-csa2-ck", &csa2 ); i_res = csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, val.psz_string, true ); if( i_res == VLC_SUCCESS && csa2.psz_string && *csa2.psz_string ) { if( csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, csa2.psz_string, false ) != VLC_SUCCESS ) { csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, val.psz_string, false ); } } else if ( i_res == VLC_SUCCESS ) { csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, val.psz_string, false ); } else { csa_Delete( p_sys->csa ); p_sys->csa = NULL; } if( p_sys->csa ) { vlc_value_t pkt_val; var_AddCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, (void *)1 ); var_AddCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL ); var_Create( p_demux, "ts-csa-pkt", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-csa-pkt", &pkt_val ); if( pkt_val.i_int < 4 || pkt_val.i_int > 188 ) { msg_Err( p_demux, "wrong packet size %d specified.", pkt_val.i_int ); 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 = pkt_val.i_int; msg_Dbg( p_demux, "decrypting %d bytes of packet", p_sys->i_csa_pkt_size ); } free( csa2.psz_string ); } free( val.psz_string ); var_Create( p_demux, "ts-silent", VLC_VAR_BOOL | VLC_VAR_DOINHERIT ); var_Get( p_demux, "ts-silent", &val ); p_sys->b_silent = val.b_bool; 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; int i; msg_Dbg( p_demux, "pid list:" ); for( 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 */ dvbpsi_DetachPAT( pid->psi->handle ); free( pid->psi ); break; case 1: /* CAT */ free( pid->psi ); break; case 0x11: /* SDT */ case 0x12: /* EIT */ dvbpsi_DetachDemux( pid->psi->handle ); free( pid->psi ); break; default: PIDClean( p_demux->out, pid ); break; } } else if( pid->b_valid && pid->es ) { PIDClean( p_demux->out, pid ); } if( pid->b_seen ) { msg_Dbg( p_demux, " - pid[%d] seen", pid->i_pid ); } if( p_sys->b_dvb_control && pid->i_pid > 0 ) { /* too much */ stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, pid->i_pid, false ); } } if( p_sys->b_udp_out ) { net_Close( p_sys->fd ); free( p_sys->buffer ); } 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 ); p_sys->csa = NULL; } vlc_mutex_unlock( &p_sys->csa_lock ); if( p_sys->i_pmt ) free( p_sys->pmt ); if ( p_sys->p_programs_list ) { vlc_value_t val; val.p_list = p_sys->p_programs_list; var_Change( p_demux, "programs", VLC_VAR_FREELIST, &val, NULL ); } /* If in dump mode, then close the file */ if( p_sys->b_file_out ) { msg_Info( p_demux ,"closing %s (%"PRId64" Kbytes dumped)", p_sys->psz_file, p_sys->i_write / 1024 ); if( p_sys->p_file != stdout ) { fclose( p_sys->p_file ); p_sys->p_file = NULL; } free( p_sys->buffer ); } free( p_sys->psz_file ); p_sys->psz_file = NULL; 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; } /***************************************************************************** * DemuxFile: *****************************************************************************/ static int DemuxFile( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; uint8_t *p_buffer = p_sys->buffer; /* Put first on sync byte */ int i_diff= 0; int i_data= 0; int i_pos = 0; int i_bufsize = p_sys->i_packet_size * p_sys->i_ts_read; i_data = stream_Read( p_demux->s, p_sys->buffer, i_bufsize ); if( (i_data <= 0) && (i_data < p_sys->i_packet_size) ) { msg_Dbg( p_demux, "error reading malformed packets" ); return i_data; } /* Test continuity counter */ while( i_pos < i_data ) { ts_pid_t *p_pid; /* point to a PID structure */ bool b_payload; /* indicates a packet with payload */ bool b_adaptation; /* adaptation field */ int i_cc = 0; /* continuity counter */ if( p_sys->buffer[i_pos] != 0x47 ) { msg_Warn( p_demux, "lost sync" ); while( vlc_object_alive (p_demux) && (i_pos < i_data) ) { i_pos++; if( p_sys->buffer[i_pos] == 0x47 ) break; } if( vlc_object_alive (p_demux) ) msg_Warn( p_demux, "sync found" ); } /* continuous when (one of this): * diff == 1 * diff == 0 and payload == 0 * diff == 0 and duplicate packet (playload != 0) <- should we * test the content ? */ i_cc = p_buffer[i_pos+3]&0x0f; b_payload = p_buffer[i_pos+3]&0x10; b_adaptation = p_buffer[i_pos+3]&0x20; /* Get the PID */ p_pid = &p_sys->pid[ ((p_buffer[i_pos+1]&0x1f)<<8)|p_buffer[i_pos+2] ]; /* Detect discontinuity indicator in adaptation field */ if( b_adaptation && p_buffer[i_pos + 4] > 0 ) { if( p_buffer[i_pos+5]&0x80 ) msg_Warn( p_demux, "discontinuity indicator (pid=%d) ", p_pid->i_pid ); if( p_buffer[i_pos+5]&0x40 ) msg_Warn( p_demux, "random access indicator (pid=%d) ", p_pid->i_pid ); } i_diff = ( i_cc - p_pid->i_cc )&0x0f; if( b_payload && i_diff == 1 ) { p_pid->i_cc = ( p_pid->i_cc + 1 ) & 0xf; } else { if( p_pid->i_cc == 0xff ) { msg_Warn( p_demux, "first packet for pid=%d cc=0x%x", p_pid->i_pid, i_cc ); p_pid->i_cc = i_cc; } else if( i_diff != 0 ) { /* FIXME what to do when discontinuity_indicator is set ? */ msg_Warn( p_demux, "transport error detected 0x%x instead of 0x%x", i_cc, ( p_pid->i_cc + 1 )&0x0f ); p_pid->i_cc = i_cc; /* Mark transport error in the TS packet. */ p_buffer[i_pos+1] |= 0x80; } } /* Test if user wants to decrypt it first */ if( p_sys->csa ) { vlc_mutex_lock( &p_sys->csa_lock ); csa_Decrypt( p_demux->p_sys->csa, &p_buffer[i_pos], p_demux->p_sys->i_csa_pkt_size ); vlc_mutex_unlock( &p_sys->csa_lock ); } i_pos += p_sys->i_packet_size; } /* Then write */ i_data = fwrite( p_sys->buffer, 1, i_data, p_sys->p_file ); if( i_data < 0 ) { msg_Err( p_demux, "failed to write data" ); return -1; } #if 0 msg_Dbg( p_demux, "dumped %d bytes", i_data ); #endif p_sys->i_write += i_data; return 1; } /***************************************************************************** * Demux: *****************************************************************************/ static int Demux( demux_t *p_demux ) { demux_sys_t *p_sys = p_demux->p_sys; int i_pkt; /* We read at most 100 TS packet or until a frame is completed */ for( i_pkt = 0; i_pkt < p_sys->i_ts_read; i_pkt++ ) { bool b_frame = false; block_t *p_pkt; ts_pid_t *p_pid; /* Get a new TS packet */ if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) ) { msg_Dbg( p_demux, "eof ?" ); return 0; } /* 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 0; } while( i_skip < i_peek - p_sys->i_packet_size ) { if( p_peek[i_skip] == 0x47 && p_peek[i_skip + 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 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; } if( p_sys->b_udp_out ) { memcpy( &p_sys->buffer[i_pkt * p_sys->i_packet_size], p_pkt->p_buffer, p_sys->i_packet_size ); } /* Parse the TS packet */ p_pid = &p_sys->pid[PIDGet( p_pkt )]; if( p_pid->b_valid ) { if( p_pid->psi ) { if( p_pid->i_pid == 0 || p_pid->i_pid == 0x11 || p_pid->i_pid == 0x12 ) { dvbpsi_PushPacket( p_pid->psi->handle, p_pkt->p_buffer ); } else { int i_prg; for( 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 if( !p_sys->b_udp_out ) { b_frame = GatherPES( p_demux, p_pid, p_pkt ); } else { PCRHandle( p_demux, p_pid, p_pkt ); block_Release( 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 ) { break; } } if( p_sys->b_udp_out ) { /* Send the complete block */ net_Write( p_demux, p_sys->fd, NULL, p_sys->buffer, p_sys->i_ts_read * p_sys->i_packet_size ); } 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; #ifdef HAVE_TIME_H if( p_sys->b_dvb_control && p_sys->i_dvb_length > 0 ) { /* FIXME we should not use time() but read the date from the tdt */ const time_t t = time( NULL ); 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 * INT64_C(1000000); if( pi_time ) *pi_time = (t - p_sys->i_dvb_start) * INT64_C(1000000); return VLC_SUCCESS; } } #endif 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; if( p_sys->b_file_out ) return demux_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args ); switch( i_query ) { case DEMUX_GET_POSITION: pf = (double*) va_arg( args, double* ); i64 = stream_Size( p_demux->s ); if( i64 > 0 ) { *pf = (double)stream_Tell( p_demux->s ) / (double)i64; } else { 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 *pf = 0.0; } return VLC_SUCCESS; case DEMUX_SET_POSITION: f = (double) va_arg( args, double ); i64 = stream_Size( p_demux->s ); es_out_Control( p_demux->out, ES_OUT_RESET_PCR ); if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) ) { return VLC_EGENERIC; } return VLC_SUCCESS; #if 0 case DEMUX_GET_TIME: pi64 = (int64_t*)va_arg( args, int64_t * ); if( p_sys->i_time < 0 ) { *pi64 = 0; return VLC_EGENERIC; } *pi64 = p_sys->i_time; return VLC_SUCCESS; case DEMUX_GET_LENGTH: pi64 = (int64_t*)va_arg( args, int64_t * ); if( p_sys->i_mux_rate > 0 ) { *pi64 = INT64_C(1000000) * ( stream_Size( p_demux->s ) / 50 ) / p_sys->i_mux_rate; return VLC_SUCCESS; } *pi64 = 0; return VLC_EGENERIC; #else case DEMUX_GET_TIME: pi64 = (int64_t*)va_arg( args, int64_t * ); if( DVBEventInformation( p_demux, pi64, NULL ) ) *pi64 = 0; return VLC_SUCCESS; case DEMUX_GET_LENGTH: pi64 = (int64_t*)va_arg( args, int64_t * ); if( DVBEventInformation( p_demux, NULL, pi64 ) ) *pi64 = 0; return VLC_SUCCESS; #endif case DEMUX_SET_GROUP: { uint16_t i_vpid = 0, i_apid1 = 0, i_apid2 = 0, i_apid3 = 0; ts_prg_psi_t *p_prg = NULL; 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( p_sys->b_dvb_control && i_int > 0 && i_int != p_sys->i_dvb_program ) { int i_pmt_pid = -1; int i; /* Search pmt to be unselected */ for( i = 0; i < p_sys->i_pmt; i++ ) { ts_pid_t *pmt = p_sys->pmt[i]; int i_prg; for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ ) { if( pmt->psi->prg[i_prg]->i_number == p_sys->i_dvb_program ) { i_pmt_pid = p_sys->pmt[i]->i_pid; break; } } if( i_pmt_pid > 0 ) break; } if( i_pmt_pid > 0 ) { stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, i_pmt_pid, false ); /* All ES */ for( i = 2; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; int i_prg; if( !pid->b_valid || pid->psi ) continue; for( 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 es that aren't defined by extra pmt */ stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, i, false ); break; } } } } /* select new program */ p_sys->i_dvb_program = i_int; i_pmt_pid = -1; for( i = 0; i < p_sys->i_pmt; i++ ) { ts_pid_t *pmt = p_sys->pmt[i]; int i_prg; for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ ) { if( pmt->psi->prg[i_prg]->i_number == i_int ) { 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 ) { stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, i_pmt_pid, true ); stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, p_prg->i_pid_pcr, true ); for( i = 2; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; int i_prg; if( !pid->b_valid || pid->psi ) continue; for( 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 ) { if ( pid->es->fmt.i_cat == VIDEO_ES && !i_vpid ) i_vpid = i; if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid1 ) i_apid1 = i; else if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid2 ) i_apid2 = i; else if ( pid->es->fmt.i_cat == AUDIO_ES && !i_apid3 ) i_apid3 = i; stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, i, true ); break; } } } } } else { p_sys->i_dvb_program = -1; p_sys->p_programs_list = p_list; } return VLC_SUCCESS; } 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_FPS: case DEMUX_SET_TIME: 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; 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]; ts_prg_psi_t *prg; msg_Dbg( p_demux, "user pmt specified (pid=%d,number=%d)", i_pid, i_number ); PIDInit( pmt, true, NULL ); /* Dummy PMT */ prg = malloc( sizeof( ts_prg_psi_t ) ); if( !prg ) goto error; memset( prg, 0, sizeof( ts_prg_psi_t ) ); 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; prg->handle = dvbpsi_AttachPMT( i_number != TS_USER_PMT_NUMBER ? i_number : 1, (dvbpsi_pmt_callback)PMTCallBack, p_demux ); 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, 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 ); } } 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( psz_dup ); return VLC_EGENERIC; } 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->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 ) { free( pid->psi ); pid->psi = malloc( sizeof( ts_psi_t ) ); if( pid->psi ) { pid->psi->handle= NULL; pid->psi->i_prg = 0; pid->psi->prg = NULL; } } 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 ) { /* PMT */ prg->i_version = -1; prg->i_number = -1; prg->i_pid_pcr = -1; prg->i_pid_pmt = -1; prg->iod = NULL; prg->handle = NULL; TAB_APPEND( pid->psi->i_prg, pid->psi->prg, prg ); } } } else { pid->psi = NULL; pid->es = malloc( sizeof( ts_es_t ) ); if( pid->es ) { es_format_Init( &pid->es->fmt, UNKNOWN_ES, 0 ); pid->es->id = NULL; pid->es->p_pes = NULL; pid->es->i_pes_size= 0; pid->es->i_pes_gathered= 0; pid->es->pp_last = &pid->es->p_pes; pid->es->p_mpeg4desc = NULL; pid->es->b_gather = false; } } } static void PIDClean( es_out_t *out, ts_pid_t *pid ) { if( pid->psi ) { int i; if( pid->psi->handle ) dvbpsi_DetachPMT( pid->psi->handle ); for( 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 ) dvbpsi_DetachPMT( pid->psi->prg[i]->handle ); free( pid->psi->prg[i] ); } free( pid->psi->prg ); free( pid->psi ); } else { int i; if( pid->es->id ) es_out_Del( out, pid->es->id ); if( pid->es->p_pes ) block_ChainRelease( pid->es->p_pes ); es_format_Clean( &pid->es->fmt ); free( pid->es ); for( i = 0; i < pid->i_extra_es; i++ ) { if( pid->extra_es[i]->id ) es_out_Del( out, pid->extra_es[i]->id ); if( pid->extra_es[i]->p_pes ) block_ChainRelease( pid->extra_es[i]->p_pes ); 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 = pid->es->p_pes; uint8_t header[30]; int i_pes_size = 0; int i_skip = 0; mtime_t i_dts = -1; mtime_t i_pts = -1; mtime_t i_length = 0; int i_max; /* remove the pes from pid */ pid->es->p_pes = NULL; pid->es->i_pes_size= 0; pid->es->i_pes_gathered= 0; pid->es->pp_last = &pid->es->p_pes; /* FIXME find real max size */ i_max = block_ChainExtract( p_pes, header, 30 ); if( header[0] != 0 || header[1] != 0 || header[2] != 1 ) { if( !p_demux->p_sys->b_silent ) msg_Warn( p_demux, "invalid header [0x%x:%x:%x:%x] (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_FOURCC( 's', 'u', 'b', 't' ) && pid->es->p_mpeg4desc ) { decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr; if( dcd->i_decoder_specific_info_len > 2 && dcd->p_decoder_specific_info[0] == 0x10 && ( dcd->p_decoder_specific_info[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; } #ifdef ZVBI_COMPILED else if( pid->es->fmt.i_codec == VLC_FOURCC( 't', 'e', 'l', 'x' ) ) i_skip = 0; /*hack for zvbi support */ #endif /* 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; int i; if( i_dts >= 0 ) { p_pes->i_dts = i_dts * 100 / 9; } if( i_pts >= 0 ) { p_pes->i_pts = 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_FOURCC( 's', 'u', 'b', 't' ) ) { 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 ); p_block->p_buffer[p_block->i_buffer -1] = '\0'; } for( i = 0; i < pid->i_extra_es; i++ ) { es_out_Send( p_demux->out, pid->extra_es[i]->id, block_Duplicate( p_block ) ); } es_out_Send( p_demux->out, pid->es->id, p_block ); } else { msg_Warn( p_demux, "empty pes" ); } } static void PCRHandle( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk ) { demux_sys_t *p_sys = p_demux->p_sys; const uint8_t *p = p_bk->p_buffer; if( ( p[3]&0x20 ) && /* adaptation */ ( p[5]&0x10 ) && ( p[4] >= 7 ) ) { int i; mtime_t i_pcr; /* 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 ); /* Search program and set the PCR */ for( i = 0; i < p_sys->i_pmt; i++ ) { int i_prg; for( 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 ) { es_out_Control( p_demux->out, ES_OUT_SET_GROUP_PCR, (int)p_sys->pmt[i]->psi->prg[i_prg]->i_number, (int64_t)(i_pcr * 100 / 9) ); } } } } } static bool GatherPES( 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_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; int i_diff; #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_pes ) //&& pid->es->fmt.i_cat == VIDEO_ES ) pid->es->p_pes->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_pes ) { msg_Warn( p_demux, "discontinuity indicator (pid=%d) ", pid->i_pid ); /* pid->es->p_pes->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 ? */ 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_pes && pid->es->fmt.i_cat != VIDEO_ES ) { /* Small video artifacts are usually better then * dropping full frames */ pid->es->p_pes->i_flags |= BLOCK_FLAG_CORRUPTED; } } } PCRHandle( p_demux, pid, p_bk ); if( i_skip >= 188 || pid->es->id == NULL || p_demux->p_sys->b_udp_out ) { block_Release( p_bk ); return i_ret; } /* We have to gather it */ p_bk->p_buffer += i_skip; p_bk->i_buffer -= i_skip; if( b_unit_start ) { if( pid->es->p_pes ) { ParsePES( p_demux, pid ); i_ret = true; } block_ChainLastAppend( &pid->es->pp_last, p_bk ); if( p_bk->i_buffer > 6 ) { pid->es->i_pes_size = GetWBE( &p_bk->p_buffer[4] ); if( pid->es->i_pes_size > 0 ) { pid->es->i_pes_size += 6; } } pid->es->i_pes_gathered += p_bk->i_buffer; if( pid->es->i_pes_size > 0 && pid->es->i_pes_gathered >= pid->es->i_pes_size ) { ParsePES( p_demux, pid ); i_ret = true; } } else { if( pid->es->p_pes == NULL ) { /* msg_Dbg( p_demux, "broken packet" ); */ block_Release( p_bk ); } else { block_ChainLastAppend( &pid->es->pp_last, p_bk ); pid->es->i_pes_gathered += p_bk->i_buffer; if( pid->es->i_pes_size > 0 && pid->es->i_pes_gathered >= pid->es->i_pes_size ) { ParsePES( p_demux, pid ); i_ret = true; } } } return i_ret; } static int PIDFillFormat( ts_pid_t *pid, int i_stream_type ) { es_format_t *fmt = &pid->es->fmt; 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_FOURCC( 'm', 'p', 'g', 'v' ) ); break; case 0x03: /* MPEG-1 audio */ case 0x04: /* MPEG-2 audio */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'm', 'p', 'g', 'a' ) ); break; case 0x11: /* MPEG4 (audio) */ case 0x0f: /* ISO/IEC 13818-7 Audio with ADTS transport syntax */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'm', 'p', '4', 'a' ) ); break; case 0x10: /* MPEG4 (video) */ es_format_Init( fmt, VIDEO_ES, VLC_FOURCC( 'm', 'p', '4', 'v' ) ); pid->es->b_gather = true; break; case 0x1B: /* H264 <- check transport syntax/needed descriptor */ es_format_Init( fmt, VIDEO_ES, VLC_FOURCC( 'h', '2', '6', '4' ) ); break; case 0x81: /* A52 (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', ' ' ) ); break; case 0x82: /* DVD_SPU (sub) */ es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', ' ' ) ); break; case 0x83: /* LPCM (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'l', 'p', 'c', 'm' ) ); break; case 0x84: /* SDDS (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 's' ) ); break; case 0x85: /* DTS (audio) */ es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'd', 't', 's', ' ' ) ); 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 ); pid->es->b_gather = true; 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; return fmt->i_cat == UNKNOWN_ES ? VLC_EGENERIC : VLC_SUCCESS ; } /***************************************************************************** * 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 ); return( i_len ); } static int IODGetByte( int *pi_data, uint8_t **pp_data ) { if( *pi_data > 0 ) { const int i_b = **pp_data; (*pp_data)++; (*pi_data)--; return( i_b ); } return( 0 ); } static int IODGetWord( int *pi_data, uint8_t **pp_data ) { const int i1 = IODGetByte( pi_data, pp_data ); const int i2 = IODGetByte( pi_data, pp_data ); return( ( i1 << 8 ) | i2 ); } static int IODGet3Bytes( int *pi_data, uint8_t **pp_data ) { const int i1 = IODGetByte( pi_data, pp_data ); const int i2 = IODGetByte( pi_data, pp_data ); const int i3 = IODGetByte( pi_data, pp_data ); return( ( i1 << 16 ) | ( i2 << 8) | i3 ); } static uint32_t IODGetDWord( int *pi_data, uint8_t **pp_data ) { const uint32_t i1 = IODGetWord( pi_data, pp_data ); const uint32_t i2 = IODGetWord( pi_data, pp_data ); return( ( i1 << 16 ) | i2 ); } static char* IODGetURL( int *pi_data, uint8_t **pp_data ) { char *url; int i_url_len, i; i_url_len = IODGetByte( pi_data, pp_data ); url = malloc( i_url_len + 1 ); if( !url ) return NULL; for( i = 0; i < i_url_len; i++ ) { url[i] = IODGetByte( pi_data, pp_data ); } url[i_url_len] = '\0'; return( url ); } static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data ) { iod_descriptor_t *p_iod; int i; int i_es_index; uint8_t i_flags, i_iod_tag, byte1, byte2, byte3; bool b_url; int i_iod_length; p_iod = malloc( sizeof( iod_descriptor_t ) ); if( !p_iod ) return NULL; memset( p_iod, 0, sizeof( iod_descriptor_t ) ); #ifdef TS_DEBUG fprintf( stderr, "\n************ IOD ************" ); #endif for( i = 0; i < 255; i++ ) { p_iod->es_descr[i].b_ok = 0; } i_es_index = 0; if( i_data < 3 ) { return p_iod; } byte1 = IODGetByte( &i_data, &p_data ); byte2 = IODGetByte( &i_data, &p_data ); byte3 = IODGetByte( &i_data, &p_data ); if( byte2 == 0x02 ) //old vlc's buggy implementation of the IOD_descriptor { p_iod->i_iod_label_scope = 0x11; p_iod->i_iod_label = byte1; i_iod_tag = byte2; } else //correct implementation of the IOD_descriptor { p_iod->i_iod_label_scope = byte1; p_iod->i_iod_label = byte2; i_iod_tag = byte3; } #ifdef TS_DEBUG fprintf( stderr, "\n* iod_label:%d", p_iod->i_iod_label ); fprintf( stderr, "\n* ===========" ); fprintf( stderr, "\n* tag:0x%x", i_iod_tag ); #endif if( i_iod_tag != 0x02 ) { #ifdef TS_DEBUG fprintf( stderr, "\n ERR: tag %02x != 0x02", i_iod_tag ); #endif return p_iod; } i_iod_length = IODDescriptorLength( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* length:%d", i_iod_length ); #endif if( i_iod_length > i_data ) { i_iod_length = i_data; } p_iod->i_od_id = ( IODGetByte( &i_data, &p_data ) << 2 ); i_flags = IODGetByte( &i_data, &p_data ); p_iod->i_od_id |= i_flags >> 6; b_url = ( i_flags >> 5 )&0x01; #ifdef TS_DEBUG fprintf( stderr, "\n* od_id:%d", p_iod->i_od_id ); fprintf( stderr, "\n* url flag:%d", b_url ); fprintf( stderr, "\n* includeInlineProfileLevel flag:%d", ( i_flags >> 4 )&0x01 ); #endif if( b_url ) { p_iod->psz_url = IODGetURL( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* url string:%s", p_iod->psz_url ); fprintf( stderr, "\n*****************************\n" ); #endif return p_iod; } else { p_iod->psz_url = NULL; } p_iod->i_ODProfileLevelIndication = IODGetByte( &i_data, &p_data ); p_iod->i_sceneProfileLevelIndication = IODGetByte( &i_data, &p_data ); p_iod->i_audioProfileLevelIndication = IODGetByte( &i_data, &p_data ); p_iod->i_visualProfileLevelIndication = IODGetByte( &i_data, &p_data ); p_iod->i_graphicsProfileLevelIndication = IODGetByte( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* ODProfileLevelIndication:%d", p_iod->i_ODProfileLevelIndication ); fprintf( stderr, "\n* sceneProfileLevelIndication:%d", p_iod->i_sceneProfileLevelIndication ); fprintf( stderr, "\n* audioProfileLevelIndication:%d", p_iod->i_audioProfileLevelIndication ); fprintf( stderr, "\n* visualProfileLevelIndication:%d", p_iod->i_visualProfileLevelIndication ); fprintf( stderr, "\n* graphicsProfileLevelIndication:%d", p_iod->i_graphicsProfileLevelIndication ); #endif while( i_data > 0 && i_es_index < 255) { int i_tag, i_length; int i_data_sav; uint8_t *p_data_sav; i_tag = IODGetByte( &i_data, &p_data ); i_length = IODDescriptorLength( &i_data, &p_data ); i_data_sav = i_data; p_data_sav = p_data; i_data = i_length; switch( i_tag ) { case 0x03: { #define es_descr p_iod->es_descr[i_es_index] int i_decoderConfigDescr_length; #ifdef TS_DEBUG fprintf( stderr, "\n* - ES_Descriptor length:%d", i_length ); #endif es_descr.b_ok = 1; es_descr.i_es_id = IODGetWord( &i_data, &p_data ); i_flags = IODGetByte( &i_data, &p_data ); es_descr.b_streamDependenceFlag = ( i_flags >> 7 )&0x01; b_url = ( i_flags >> 6 )&0x01; es_descr.b_OCRStreamFlag = ( i_flags >> 5 )&0x01; es_descr.i_streamPriority = i_flags & 0x1f; #ifdef TS_DEBUG fprintf( stderr, "\n* * streamDependenceFlag:%d", es_descr.b_streamDependenceFlag ); fprintf( stderr, "\n* * OCRStreamFlag:%d", es_descr.b_OCRStreamFlag ); fprintf( stderr, "\n* * streamPriority:%d", es_descr.i_streamPriority ); #endif if( es_descr.b_streamDependenceFlag ) { es_descr.i_dependOn_es_id = IODGetWord( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* * dependOn_es_id:%d", es_descr.i_dependOn_es_id ); #endif } if( b_url ) { es_descr.psz_url = IODGetURL( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* url string:%s", es_descr.psz_url ); #endif } else { es_descr.psz_url = NULL; } if( es_descr.b_OCRStreamFlag ) { es_descr.i_OCR_es_id = IODGetWord( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* * OCR_es_id:%d", es_descr.i_OCR_es_id ); #endif } if( IODGetByte( &i_data, &p_data ) != 0x04 ) { #ifdef TS_DEBUG fprintf( stderr, "\n* ERR missing DecoderConfigDescr" ); #endif es_descr.b_ok = 0; break; } i_decoderConfigDescr_length = IODDescriptorLength( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* - DecoderConfigDesc length:%d", i_decoderConfigDescr_length ); #endif #define dec_descr es_descr.dec_descr dec_descr.i_objectTypeIndication = IODGetByte( &i_data, &p_data ); i_flags = IODGetByte( &i_data, &p_data ); dec_descr.i_streamType = i_flags >> 2; dec_descr.b_upStream = ( i_flags >> 1 )&0x01; dec_descr.i_bufferSizeDB = IODGet3Bytes( &i_data, &p_data ); dec_descr.i_maxBitrate = IODGetDWord( &i_data, &p_data ); dec_descr.i_avgBitrate = IODGetDWord( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* * objectTypeIndication:0x%x", dec_descr.i_objectTypeIndication ); fprintf( stderr, "\n* * streamType:0x%x", dec_descr.i_streamType ); fprintf( stderr, "\n* * upStream:%d", dec_descr.b_upStream ); fprintf( stderr, "\n* * bufferSizeDB:%d", dec_descr.i_bufferSizeDB ); fprintf( stderr, "\n* * maxBitrate:%d", dec_descr.i_maxBitrate ); fprintf( stderr, "\n* * avgBitrate:%d", dec_descr.i_avgBitrate ); #endif if( i_decoderConfigDescr_length > 13 && IODGetByte( &i_data, &p_data ) == 0x05 ) { int i; dec_descr.i_decoder_specific_info_len = IODDescriptorLength( &i_data, &p_data ); if( dec_descr.i_decoder_specific_info_len > 0 ) { dec_descr.p_decoder_specific_info = malloc( dec_descr.i_decoder_specific_info_len ); } for( i = 0; i < dec_descr.i_decoder_specific_info_len; i++ ) { dec_descr.p_decoder_specific_info[i] = IODGetByte( &i_data, &p_data ); } } else { dec_descr.i_decoder_specific_info_len = 0; dec_descr.p_decoder_specific_info = NULL; } } #undef dec_descr #define sl_descr es_descr.sl_descr { int i_SLConfigDescr_length; int i_predefined; if( IODGetByte( &i_data, &p_data ) != 0x06 ) { #ifdef TS_DEBUG fprintf( stderr, "\n* ERR missing SLConfigDescr" ); #endif es_descr.b_ok = 0; break; } i_SLConfigDescr_length = IODDescriptorLength( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* - SLConfigDescr length:%d", i_SLConfigDescr_length ); #endif i_predefined = IODGetByte( &i_data, &p_data ); #ifdef TS_DEBUG fprintf( stderr, "\n* * i_predefined:0x%x", i_predefined ); #endif switch( i_predefined ) { case 0x01: { sl_descr.b_useAccessUnitStartFlag = 0; sl_descr.b_useAccessUnitEndFlag = 0; sl_descr.b_useRandomAccessPointFlag = 0; //sl_descr.b_useRandomAccessUnitsOnlyFlag = 0; sl_descr.b_usePaddingFlag = 0; sl_descr.b_useTimeStampsFlags = 0; sl_descr.b_useIdleFlag = 0; sl_descr.b_durationFlag = 0; // FIXME FIXME sl_descr.i_timeStampResolution = 1000; sl_descr.i_OCRResolution = 0; // FIXME FIXME sl_descr.i_timeStampLength = 32; sl_descr.i_OCRLength = 0; // FIXME FIXME sl_descr.i_AU_Length = 0; sl_descr.i_instantBitrateLength= 0; // FIXME FIXME sl_descr.i_degradationPriorityLength= 0; sl_descr.i_AU_seqNumLength = 0; sl_descr.i_packetSeqNumLength = 0; if( sl_descr.b_durationFlag ) { sl_descr.i_timeScale = 0; // FIXME FIXME sl_descr.i_accessUnitDuration = 0; // FIXME FIXME sl_descr.i_compositionUnitDuration= 0; // FIXME FIXME } if( !sl_descr.b_useTimeStampsFlags ) { sl_descr.i_startDecodingTimeStamp = 0; // FIXME FIXME sl_descr.i_startCompositionTimeStamp= 0; // FIXME FIXME } } break; default: #ifdef TS_DEBUG fprintf( stderr, "\n* ERR unsupported SLConfigDescr predefined" ); #endif es_descr.b_ok = 0; break; } } break; #undef sl_descr #undef es_descr default: #ifdef TS_DEBUG fprintf( stderr, "\n* - OD tag:0x%x length:%d (Unsupported)", i_tag, i_length ); #endif break; } p_data = p_data_sav + i_length; i_data = i_data_sav - i_length; i_es_index++; } #ifdef TS_DEBUG fprintf( stderr, "\n*****************************\n" ); #endif return p_iod; } static void IODFree( iod_descriptor_t *p_iod ) { int i; if( p_iod->psz_url ) { free( p_iod->psz_url ); p_iod->psz_url = NULL; free( p_iod ); return; } for( 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 ); es_descr.psz_url = NULL; } else { free( es_descr.dec_descr.p_decoder_specific_info ); es_descr.dec_descr.p_decoder_specific_info = NULL; es_descr.dec_descr.i_decoder_specific_info_len = 0; } } es_descr.b_ok = 0; #undef es_descr } free( p_iod ); } /**************************************************************************** **************************************************************************** ** libdvbpsi callbacks **************************************************************************** ****************************************************************************/ static bool DVBProgramIsSelected( demux_t *p_demux, uint16_t i_pgrm ) { demux_sys_t *p_sys = p_demux->p_sys; if ( !p_sys->b_dvb_control ) return false; if ( (p_sys->i_dvb_program == -1 && p_sys->p_programs_list == NULL) || p_sys->i_dvb_program == 0 ) return true; if ( p_sys->i_dvb_program == i_pgrm ) return true; if ( p_sys->p_programs_list != NULL ) { int i; for ( i = 0; i < p_sys->p_programs_list->i_count; i++ ) { if ( i_pgrm == p_sys->p_programs_list->p_values[i].i_int ) return true; } } return false; } #ifdef TS_USE_DVB_SI 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", p_sdt->i_ts_id, p_sdt->i_version, p_sdt->b_current_next, p_sdt->i_network_id ); 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 ); if( p_sys->i_dvb_program != -1 && p_sys->i_dvb_program != p_srv->i_service_id ) continue; 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[257]; char str2[257]; memcpy( str1, pD->i_service_provider_name, pD->i_service_provider_name_length ); str1[pD->i_service_provider_name_length] = '\0'; memcpy( str2, pD->i_service_name, pD->i_service_name_length ); str2[pD->i_service_name_length] = '\0'; 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]; } } 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; int i; 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( 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 /* FIXME same than dvbsi_to_utf8 from dvb access */ static char *EITConvertToUTF8( const unsigned char *psz_instring, size_t i_length ) { const char *psz_encoding; char *psz_outstring; char psz_encbuf[sizeof( "ISO_8859-123" )]; size_t i_in, i_out, offset = 1; vlc_iconv_t iconv_handle; if( i_length < 1 ) return NULL; if( psz_instring[0] >= 0x20 ) { psz_encoding = "ISO_8859-1"; /* According to the specification, this should be ISO6937, * but it seems Latin-1 is used instead. */ offset = 0; } else switch( psz_instring[0] ) { case 0x01: psz_encoding = "ISO_8859-5"; break; case 0x02: psz_encoding = "ISO_8859-6"; break; case 0x03: psz_encoding = "ISO_8859-7"; break; case 0x04: psz_encoding = "ISO_8859-8"; break; case 0x05: psz_encoding = "ISO_8859-9"; break; case 0x06: psz_encoding = "ISO_8859-10"; break; case 0x07: psz_encoding = "ISO_8859-11"; break; case 0x08: psz_encoding = "ISO_8859-12"; break; case 0x09: psz_encoding = "ISO_8859-13"; break; case 0x0a: psz_encoding = "ISO_8859-14"; break; case 0x0b: psz_encoding = "ISO_8859-15"; break; case 0x10: #warning Is Latin-10 (psz_instring[2] == 16) really illegal? if( i_length < 3 || psz_instring[1] != 0x00 || psz_instring[2] > 15 || psz_instring[2] == 0 ) { psz_encoding = "UTF-8"; offset = 0; } else { sprintf( psz_encbuf, "ISO_8859-%u", psz_instring[2] ); psz_encoding = psz_encbuf; offset = 3; } break; case 0x11: #warning Is there a BOM or do we use a fixed endianess? psz_encoding = "UTF-16"; break; case 0x12: psz_encoding = "KSC5601-1987"; break; case 0x13: psz_encoding = "GB2312"; /* GB-2312-1980 */ break; case 0x14: psz_encoding = "BIG-5"; break; case 0x15: psz_encoding = "UTF-8"; break; default: /* invalid */ psz_encoding = "UTF-8"; offset = 0; } i_in = i_length - offset; i_out = i_in * 6 + 1; psz_outstring = malloc( i_out ); if( !psz_outstring ) { return NULL; } iconv_handle = vlc_iconv_open( "UTF-8", psz_encoding ); if( iconv_handle == (vlc_iconv_t)(-1) ) { /* Invalid character set (e.g. ISO_8859-12) */ memcpy( psz_outstring, &psz_instring[offset], i_in ); psz_outstring[i_in] = '\0'; EnsureUTF8( psz_outstring ); } else { const char *psz_in = (const char *)&psz_instring[offset]; char *psz_out = psz_outstring; while( vlc_iconv( iconv_handle, &psz_in, &i_in, &psz_out, &i_out ) == (size_t)(-1) ) { /* skip naughty byte. This may fail terribly for multibyte stuff, * but what can we do anyway? */ psz_in++; i_in--; vlc_iconv( iconv_handle, NULL, NULL, NULL, NULL ); /* reset */ } vlc_iconv_close( iconv_handle ); *psz_out = '\0'; } return psz_outstring; } static void EITCallBack( demux_t *p_demux, dvbpsi_eit_t *p_eit ) { 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 || ( p_sys->i_dvb_program != -1 && p_sys->i_dvb_program != p_eit->i_service_id ) ) { 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", p_eit->i_service_id, 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; i_start = EITConvertStartTime( p_evt->i_start_time ); i_duration = EITConvertDuration( p_evt->i_duration ); 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 ) { if( p_dr->i_tag == 0x4d ) { dvbpsi_short_event_dr_t *pE = dvbpsi_DecodeShortEventDr( p_dr ); if( pE ) { psz_name = EITConvertToUTF8( pE->i_event_name, pE->i_event_name_length); psz_text = EITConvertToUTF8( pE->i_text, pE->i_text_length ); msg_Dbg( p_demux, " - short event lang=%3.3s '%s' : '%s'", pE->i_iso_639_code, psz_name, psz_text ); } } else if( p_dr->i_tag == 0x4e ) { dvbpsi_extended_event_dr_t *pE = dvbpsi_DecodeExtendedEventDr( p_dr ); if( pE ) { int i; 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( pE->i_text, pE->i_text_length ); if( psz_text ) { msg_Dbg( p_demux, " - text='%s'", psz_text ); psz_extra = realloc( psz_extra, strlen(psz_extra) + strlen(psz_text) + 1 ); strcat( psz_extra, psz_text ); free( psz_text ); } } for( i = 0; i < pE->i_entry_count; i++ ) { char *psz_dsc = EITConvertToUTF8( pE->i_item_description[i], pE->i_item_description_length[i] ); char *psz_itm = EITConvertToUTF8( pE->i_item[i], pE->i_item_length[i] ); if( psz_dsc && psz_itm ) { msg_Dbg( p_demux, " - desc='%s' item='%s'", psz_dsc, psz_itm ); psz_extra = realloc( 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, ")" ); } free( psz_dsc ); free( psz_itm ); } } } else { msg_Dbg( p_demux, " - tag=0x%x(%d)", p_dr->i_tag, p_dr->i_tag ); } } /* */ if( i_start > 0 ) vlc_epg_AddEvent( p_epg, i_start, i_duration, psz_name, psz_text, psz_extra ); /* Update "now playing" field */ if( p_evt->i_running_status == 0x04 && i_start > 0 ) vlc_epg_SetCurrent( p_epg, i_start ); free( psz_name ); free( psz_text ); free( psz_extra ); } if( p_epg->i_event > 0 ) { if( p_eit->i_service_id == p_sys->i_dvb_program ) { p_sys->i_dvb_length = 0; p_sys->i_dvb_start = 0; if( p_epg->p_current ) { p_sys->i_dvb_start = p_epg->p_current->i_start; p_sys->i_dvb_length = p_epg->p_current->i_duration; } } es_out_Control( p_demux->out, ES_OUT_SET_GROUP_EPG, p_eit->i_service_id, p_epg ); } vlc_epg_Delete( p_epg ); dvbpsi_DeleteEIT( p_eit ); } static void PSINewTableCallBack( demux_t *p_demux, dvbpsi_handle h, uint8_t i_table_id, uint16_t i_extension ) { #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 ); dvbpsi_AttachSDT( h, i_table_id, i_extension, (dvbpsi_sdt_callback)SDTCallBack, p_demux ); } 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_AttachEIT( h, i_table_id, i_extension, (dvbpsi_eit_callback)EITCallBack, p_demux ); } } #endif static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt ) { demux_sys_t *p_sys = p_demux->p_sys; dvbpsi_descriptor_t *p_dr; dvbpsi_pmt_es_t *p_es; ts_pid_t *pmt = NULL; ts_prg_psi_t *prg = NULL; ts_pid_t **pp_clean = NULL; int i_clean = 0, i; bool b_hdmv = false; msg_Dbg( p_demux, "PMTCallBack called" ); /* First find this PMT declared in PAT */ for( i = 0; i < p_sys->i_pmt; i++ ) { int i_prg; for( i_prg = 0; 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]; break; } } if( pmt ) break; } 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; } /* Clean this program (remove all es) */ for( 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; if( DVBProgramIsSelected( p_demux, prg->i_number ) ) { /* Set demux filter */ stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, prg->i_pid_pcr, true ); } else if ( p_sys->b_dvb_control ) { msg_Warn( p_demux, "skipping program (not selected)" ); dvbpsi_DeletePMT(p_pmt); return; } /* Parse descriptor */ for( p_dr = p_pmt->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { if( p_dr->i_tag == 0x1d ) { /* We have found an IOD descriptor */ msg_Dbg( p_demux, " * descriptor : IOD (0x1d)" ); prg->iod = IODNew( p_dr->i_length, p_dr->p_data ); } else if( p_dr->i_tag == 0x9 ) { uint16_t i_sysid = ((uint16_t)p_dr->p_data[0] << 8) | p_dr->p_data[1]; msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x", i_sysid ); } else if( p_dr->i_tag == 0x05 ) { if( p_dr->i_tag == 0x05 ) { /* Registration Descriptor */ if( p_dr->i_length != 4 ) { msg_Warn( p_demux, "invalid Registration Descriptor" ); } else { msg_Dbg( p_demux, " * descriptor : registration %4.4s", p_dr->p_data ); if( !memcmp( p_dr->p_data, "HDMV", 4 ) ) { /* Blu-Ray */ b_hdmv = true; } } } } else { msg_Dbg( p_demux, " * descriptor : unknown (0x%x)", p_dr->i_tag ); } } 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( i = 0; i < i_clean; i++ ) { if( pp_clean[i] == &p_sys->pid[p_es->i_pid] ) { old_pid = pp_clean[i]; break; } } if( !old_pid && p_sys->pid[p_es->i_pid].b_valid ) { ts_pid_t *pid = &p_sys->pid[p_es->i_pid]; if( ( pid->i_pid == 0x11 /* SDT */ || pid->i_pid == 0x12 /* EDT */ ) && pid->psi ) { /* This doesn't look like a DVB stream so don't try * parsing the SDT/EDT */ dvbpsi_DetachDemux( pid->psi->handle ); free( pid->psi ); pid->psi = 0; } else { msg_Warn( p_demux, "pmt error: pid=%d already defined", p_es->i_pid ); continue; } } PIDInit( pid, false, pmt->psi ); PIDFillFormat( pid, 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; if( p_es->i_type == 0x10 || p_es->i_type == 0x11 || p_es->i_type == 0x12 || p_es->i_type == 0x0f ) { /* MPEG-4 stream: search SL_DESCRIPTOR */ dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;; while( p_dr && ( p_dr->i_tag != 0x1f ) ) p_dr = p_dr->p_next; if( p_dr && p_dr->i_length == 2 ) { int i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1]; msg_Warn( p_demux, "found SL_descriptor es_id=%d", i_es_id ); pid->es->p_mpeg4desc = NULL; for( i = 0; i < 255; i++ ) { iod_descriptor_t *iod = prg->iod; if( iod->es_descr[i].b_ok && iod->es_descr[i].i_es_id == i_es_id ) { pid->es->p_mpeg4desc = &iod->es_descr[i]; break; } } } if( pid->es->p_mpeg4desc != NULL ) { decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr; if( dcd->i_streamType == 0x04 ) /* VisualStream */ { pid->es->fmt.i_cat = VIDEO_ES; switch( dcd->i_objectTypeIndication ) { case 0x0B: /* mpeg4 sub */ pid->es->fmt.i_cat = SPU_ES; pid->es->fmt.i_codec = VLC_FOURCC('s','u','b','t'); break; case 0x20: /* mpeg4 */ pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','v'); break; case 0x21: /* h264 */ pid->es->fmt.i_codec = VLC_FOURCC('h','2','6','4'); break; case 0x60: case 0x61: case 0x62: case 0x63: case 0x64: case 0x65: /* mpeg2 */ pid->es->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' ); break; case 0x6a: /* mpeg1 */ pid->es->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' ); break; case 0x6c: /* mpeg1 */ pid->es->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' ); break; default: pid->es->fmt.i_cat = UNKNOWN_ES; break; } } else if( dcd->i_streamType == 0x05 ) /* AudioStream */ { pid->es->fmt.i_cat = AUDIO_ES; switch( dcd->i_objectTypeIndication ) { case 0x40: /* mpeg4 */ pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','a'); break; case 0x66: case 0x67: case 0x68: /* mpeg2 aac */ pid->es->fmt.i_codec = VLC_FOURCC('m','p','4','a'); break; case 0x69: /* mpeg2 */ pid->es->fmt.i_codec = VLC_FOURCC('m','p','g','a'); break; case 0x6b: /* mpeg1 */ pid->es->fmt.i_codec = VLC_FOURCC('m','p','g','a'); break; default: pid->es->fmt.i_cat = UNKNOWN_ES; break; } } else { pid->es->fmt.i_cat = UNKNOWN_ES; } if( pid->es->fmt.i_cat != UNKNOWN_ES ) { pid->es->fmt.i_extra = dcd->i_decoder_specific_info_len; if( pid->es->fmt.i_extra > 0 ) { pid->es->fmt.p_extra = malloc( pid->es->fmt.i_extra ); if( pid->es->fmt.p_extra ) memcpy( pid->es->fmt.p_extra, dcd->p_decoder_specific_info, pid->es->fmt.i_extra ); } } } } else if( p_es->i_type == 0x06 ) { dvbpsi_descriptor_t *p_dr; for( p_dr = p_es->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x", p_es->i_pid, p_es->i_type, p_dr->i_tag ); if( p_dr->i_tag == 0x05 ) { /* Registration Descriptor */ if( p_dr->i_length != 4 ) { msg_Warn( p_demux, "invalid Registration Descriptor" ); } else { if( !memcmp( p_dr->p_data, "AC-3", 4 ) ) { /* ATSC with stream_type 0x81 (but this descriptor * is then not mandatory */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC('a','5','2',' '); } else if( !memcmp( p_dr->p_data, "DTS1", 4 ) || !memcmp( p_dr->p_data, "DTS2", 4 ) || !memcmp( p_dr->p_data, "DTS3", 4 ) ) { /*registration descriptor(ETSI TS 101 154 Annex F)*/ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC('d','t','s',' '); } else if( !memcmp( p_dr->p_data, "BSSD", 4 ) ) { pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.b_packetized = true; pid->es->fmt.i_codec = VLC_FOURCC('a','e','s','3'); } else { msg_Warn( p_demux, "unknown Registration Descriptor (%4.4s)", p_dr->p_data ); } } } else if( p_dr->i_tag == 0x6a ) { /* DVB with stream_type 0x06 */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' ); } else if( p_dr->i_tag == 0x81 ) { /* ATSC with stream_type 0x06 */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' ); } else if( p_dr->i_tag == 0x7a ) { /* DVB with stream_type 0x06 (ETS EN 300 468) */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'e', 'a', 'c', '3' ); } else if( p_dr->i_tag == 0x73 ) { /* DTS audio descriptor (ETSI TS 101 154 Annex F) */ msg_Dbg( p_demux, " * DTS audio descriptor not decoded" ); pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' ); } else if( p_dr->i_tag == 0x45 ) { msg_Dbg( p_demux, " * VBI Data descriptor" ); /* FIXME : store the information somewhere */ } else if( p_dr->i_tag == 0x46 ) { msg_Dbg( p_demux, " * VBI Teletext descriptor" ); /* FIXME : store the information somewhere */ } #ifdef _DVBPSI_DR_52_H_ else if( p_dr->i_tag == 0x52 ) { dvbpsi_stream_identifier_dr_t *si; si = dvbpsi_DecodeStreamIdentifierDr( p_dr ); msg_Dbg( p_demux, " * Stream Component Identifier: %d", si->i_component_tag ); } #endif else if( p_dr->i_tag == 0x56 ) { msg_Dbg( p_demux, " * EBU Teletext descriptor" ); pid->es->fmt.i_cat = SPU_ES; pid->es->fmt.i_codec = VLC_FOURCC( 't', 'e', 'l', 'x' ); pid->es->fmt.i_extra = p_dr->i_length; pid->es->fmt.p_extra = p_dr->i_length ? malloc( p_dr->i_length ) : NULL; if( pid->es->fmt.p_extra ) memcpy( pid->es->fmt.p_extra, p_dr->p_data, p_dr->i_length ); #if defined _DVBPSI_DR_56_H_ && defined DVBPSI_VERSION \ && DVBPSI_VERSION_INT > ((0<<16)+(1<<8)+5) pid->es->fmt.i_group = p_pmt->i_program_number; /* In stream output mode, only enable descriptor * pass-through. */ if( !p_demux->out->b_sout ) { uint16_t n, i = 0; dvbpsi_teletext_dr_t *sub; sub = dvbpsi_DecodeTeletextDr( p_dr ); if( !sub ) continue; /* Each subtitle ES contains n languages, * We are going to create n ES for the n tracks */ for( n = 0; n < sub->i_pages_number; n++ ) { dvbpsi_teletextpage_t *p_page = &sub->p_pages[n]; if( p_page->i_teletext_type > 0x0 && p_page->i_teletext_type < 0x6 ) { ts_es_t *p_es; if( i == 0 ) { p_es = pid->es; } else { p_es = malloc( sizeof( ts_es_t ) ); 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_pes = NULL; p_es->i_pes_size = 0; p_es->i_pes_gathered = 0; p_es->pp_last = &p_es->p_pes; p_es->p_mpeg4desc = NULL; TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es ); } p_es->fmt.psz_language = malloc( 4 ); if( p_es->fmt.psz_language ) { memcpy( p_es->fmt.psz_language, p_page->i_iso6392_language_code, 3 ); p_es->fmt.psz_language[3] = 0; } p_es->fmt.psz_description = strdup(_(ppsz_teletext_type[p_page->i_teletext_type])); msg_Dbg( p_demux, " * ttxt type=%s lan=%s page=%d%02x", p_es->fmt.psz_description, p_es->fmt.psz_language, p_page->i_teletext_magazine_number, p_page->i_teletext_page_number ); /* Hack, FIXME This stores the initial page for this track, so that it can be used by the telx and zvbi decoders. */ p_es->fmt.subs.dvb.i_id = p_page->i_teletext_page_number; p_es->fmt.subs.dvb.i_id |= ((int)p_page->i_teletext_magazine_number << 16); i++; } } if( !i ) pid->es->fmt.i_cat = UNKNOWN_ES; } else #endif /* defined _DVBPSI_DR_56_H_ && DVBPSI_VERSION(0,1,6) */ { pid->es->fmt.subs.dvb.i_id = -1; pid->es->fmt.psz_description = strdup( _(ppsz_teletext_type[1]) ); } } else if( p_dr->i_tag == 0x59 ) { /* DVB subtitles */ pid->es->fmt.i_cat = SPU_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'd', 'v', 'b', 's' ); pid->es->fmt.i_extra = p_dr->i_length; pid->es->fmt.p_extra = malloc( p_dr->i_length ); if( pid->es->fmt.p_extra ) memcpy( pid->es->fmt.p_extra, p_dr->p_data, p_dr->i_length ); #ifdef _DVBPSI_DR_59_H_ pid->es->fmt.i_group = p_pmt->i_program_number; /* In stream output mode, only enable descriptor * pass-through. */ if( !p_demux->out->b_sout ) { uint16_t n, i = 0; dvbpsi_subtitling_dr_t *sub; sub = dvbpsi_DecodeSubtitlingDr( p_dr ); if( !sub ) continue; for( n = 0; n < sub->i_subtitles_number; n++ ) { dvbpsi_subtitle_t *p_sub = &sub->p_subtitle[n]; ts_es_t *p_es; if( i == 0 ) { p_es = pid->es; } else { p_es = malloc( sizeof( ts_es_t ) ); if( !p_es ) break; es_format_Copy( &p_es->fmt, &pid->es->fmt ); free( p_es->fmt.psz_language ); p_es->fmt.psz_language = NULL; free( p_es->fmt.psz_description ); p_es->fmt.psz_description = NULL; p_es->id = NULL; p_es->p_pes = NULL; p_es->i_pes_size = 0; p_es->i_pes_gathered = 0; p_es->pp_last = &p_es->p_pes; p_es->p_mpeg4desc = NULL; TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es ); } p_es->fmt.psz_language = malloc( 4 ); if( p_es->fmt.psz_language ) { memcpy( p_es->fmt.psz_language, p_sub->i_iso6392_language_code, 3 ); p_es->fmt.psz_language[3] = 0; } switch( p_sub->i_subtitling_type ) { case 0x10: /* unspec. */ case 0x11: /* 4:3 */ case 0x12: /* 16:9 */ case 0x13: /* 2.21:1 */ 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 */ p_es->fmt.psz_description = strdup(_("DVB subtitles: hearing impaired")); break; default: break; } p_es->fmt.subs.dvb.i_id = p_sub->i_composition_page_id; /* Hack, FIXME */ p_es->fmt.subs.dvb.i_id |= ((int)p_sub->i_ancillary_page_id << 16); i++; } if( !i ) pid->es->fmt.i_cat = UNKNOWN_ES; } else #endif /* _DVBPSI_DR_59_H_ */ { pid->es->fmt.subs.dvb.i_id = -1; pid->es->fmt.psz_description = strdup( _("DVB subtitles") ); } } } } else if( p_es->i_type == 0xEA ) { dvbpsi_descriptor_t *p_dr; for( p_dr = p_es->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x", p_es->i_pid, p_es->i_type, p_dr->i_tag ); if( p_dr->i_tag == 0x05 ) { /* Registration Descriptor */ if( p_dr->i_length < 4 ) // XXX VC-1 has extended this descriptor with sub-descriptor { msg_Warn( p_demux, "invalid Registration Descriptor" ); } else { if( !memcmp( p_dr->p_data, "VC-1", 4 ) ) { /* registration descriptor for VC-1 (SMPTE rp227) */ pid->es->fmt.i_cat = VIDEO_ES; pid->es->fmt.i_codec = VLC_FOURCC('W','V','C','1'); /* 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. */ } else { msg_Warn( p_demux, "unknown Registration Descriptor (%4.4s)", p_dr->p_data ); } } } } } else if( p_es->i_type == 0xd1 ) { dvbpsi_descriptor_t *p_dr; for( p_dr = p_es->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x", p_es->i_pid, p_es->i_type, p_dr->i_tag ); if( p_dr->i_tag == 0x05 ) { /* Registration Descriptor */ if( !memcmp( p_dr->p_data, "drac", 4 ) ) { /* registration descriptor for Dirac * (backwards compatable with VC-2 (SMPTE Sxxxx:2008)) */ pid->es->fmt.i_cat = VIDEO_ES; pid->es->fmt.i_codec = VLC_FOURCC('d','r','a','c'); } else { msg_Warn( p_demux, "unknown Registration Descriptor (%4.4s)", p_dr->p_data ); } } } } else if( p_es->i_type == 0xa0 ) { /* MSCODEC sent by vlc */ dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor; while( p_dr && ( p_dr->i_tag != 0xa0 ) ) p_dr = p_dr->p_next; if( p_dr && p_dr->i_length >= 8 ) { pid->es->fmt.i_cat = VIDEO_ES; pid->es->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] ); pid->es->fmt.video.i_width = ( p_dr->p_data[4] << 8 ) | p_dr->p_data[5]; pid->es->fmt.video.i_height = ( p_dr->p_data[6] << 8 ) | p_dr->p_data[7]; pid->es->fmt.i_extra = (p_dr->p_data[8] << 8) | p_dr->p_data[9]; if( pid->es->fmt.i_extra > 0 ) { pid->es->fmt.p_extra = malloc( pid->es->fmt.i_extra ); if( pid->es->fmt.p_extra ) memcpy( pid->es->fmt.p_extra, &p_dr->p_data[10], pid->es->fmt.i_extra ); } } else { msg_Warn( p_demux, "private MSCODEC (vlc) without bih private " "descriptor" ); } /* 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 */ pid->es->fmt.b_packetized = true; } else if( b_hdmv ) { /* Blu-Ray mapping */ switch( p_es->i_type ) { case 0x80: pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'l', 'p', 'c', 'm' ); break; case 0x82: case 0x85: /* DTS-HD High resolution audio */ case 0x86: /* DTS-HD Master audio */ case 0xA2: /* Secondary DTS audio */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' ); break; case 0x83: /* TrueHD AC3 */ case 0x84: /* E-AC3 */ case 0x87: /* E-AC3 */ case 0xA1: /* Secondary E-AC3 */ pid->es->fmt.i_cat = AUDIO_ES; pid->es->fmt.i_codec = VLC_FOURCC( 'e', 'a', 'c', '3' ); break; case 0x90: /* Presentation graphics */ case 0x91: /* Interactive graphics */ case 0x92: /* Subtitle */ default: break; } } if( pid->es->fmt.i_cat == AUDIO_ES || ( pid->es->fmt.i_cat == SPU_ES && pid->es->fmt.i_codec != VLC_FOURCC('d','v','b','s') && pid->es->fmt.i_codec != VLC_FOURCC('t','e','l','x') ) ) { /* get language descriptor */ dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor; while( p_dr && ( p_dr->i_tag != 0x0a ) ) p_dr = p_dr->p_next; if( p_dr ) { dvbpsi_iso639_dr_t *p_decoded = dvbpsi_DecodeISO639Dr( p_dr ); if( p_decoded ) { #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); } switch( p_decoded->code[0].i_audio_type ) { case 0: pid->es->fmt.psz_description = NULL; break; case 1: pid->es->fmt.psz_description = strdup(_("clean effects")); break; case 2: pid->es->fmt.psz_description = strdup(_("hearing impaired")); break; case 3: pid->es->fmt.psz_description = strdup(_("visual impaired commentary")); break; default: msg_Dbg( p_demux, "unknown audio type: %d", p_decoded->code[0].i_audio_type); pid->es->fmt.psz_description = NULL; break; } 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( i = 0; i < pid->es->fmt.i_extra_languages; i++ ) { msg_Dbg( p_demux, "bang" ); 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'; } switch( p_decoded->code[i].i_audio_type ) { case 0: pid->es->fmt.p_extra_languages[i].psz_description = NULL; break; case 1: pid->es->fmt.p_extra_languages[i].psz_description = strdup(_("clean effects")); break; case 2: pid->es->fmt.p_extra_languages[i].psz_description = strdup(_("hearing impaired")); break; case 3: pid->es->fmt.p_extra_languages[i].psz_description = strdup(_("visual impaired commentary")); break; default: msg_Dbg( p_demux, "unknown audio type: %d", p_decoded->code[i].i_audio_type); pid->es->fmt.psz_description = NULL; break; } } } #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 } } } pid->es->fmt.i_group = p_pmt->i_program_number; if( pid->es->fmt.i_cat == UNKNOWN_ES ) { msg_Dbg( p_demux, " * es pid=%d type=%d *unknown*", p_es->i_pid, p_es->i_type ); } else if( !p_sys->b_udp_out ) { msg_Dbg( p_demux, " * es pid=%d type=%d fcc=%4.4s", p_es->i_pid, p_es->i_type, (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->es->id = old_pid->es->id; old_pid->es->id = NULL; for( i = 0; i < pid->i_extra_es; i++ ) { pid->extra_es[i]->id = old_pid->extra_es[i]->id; old_pid->extra_es[i]->id = NULL; } } else { if( old_pid ) { PIDClean( p_demux->out, old_pid ); TAB_REMOVE( i_clean, pp_clean, old_pid ); old_pid = 0; } pid->es->id = es_out_Add( p_demux->out, &pid->es->fmt ); for( i = 0; i < pid->i_extra_es; i++ ) { pid->extra_es[i]->id = es_out_Add( p_demux->out, &pid->extra_es[i]->fmt ); } } } /* Add ES to the list */ if( old_pid ) { PIDClean( p_demux->out, old_pid ); TAB_REMOVE( i_clean, pp_clean, old_pid ); } p_sys->pid[p_es->i_pid] = *pid; for( p_dr = p_es->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next ) { if( p_dr->i_tag == 0x9 ) { uint16_t i_sysid = ((uint16_t)p_dr->p_data[0] << 8) | p_dr->p_data[1]; msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x", i_sysid ); } } if( DVBProgramIsSelected( p_demux, prg->i_number ) && (pid->es->id != NULL || p_sys->b_udp_out) ) { /* Set demux filter */ stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, p_es->i_pid, true ); } } if( DVBProgramIsSelected( p_demux, prg->i_number ) ) { /* Set CAM descrambling */ stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_CA, p_pmt ); } else { dvbpsi_DeletePMT( p_pmt ); } for ( i = 0; i < i_clean; i++ ) { if( DVBProgramIsSelected( p_demux, prg->i_number ) ) { stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, pp_clean[i]->i_pid, false ); } PIDClean( p_demux->out, pp_clean[i] ); } if( i_clean ) free( pp_clean ); } static void PATCallBack( demux_t *p_demux, dvbpsi_pat_t *p_pat ) { demux_sys_t *p_sys = p_demux->p_sys; dvbpsi_pat_program_t *p_program; ts_pid_t *pat = &p_sys->pid[0]; int i, j; 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( 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; p_program != NULL; p_program = p_program->p_next ) { if( p_program->i_pid == pmt->i_pid ) { int i_prg; for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ ) { if( p_program->i_number == pmt->psi->prg[i_prg]->i_number ) { b_keep = true; break; } } if( b_keep ) break; } } if( !b_keep ) { TAB_APPEND( i_pmt_rm, pmt_rm, pmt ); } } /* Delete all ES attached to thoses PMT */ for( i = 2; i < 8192; i++ ) { ts_pid_t *pid = &p_sys->pid[i]; if( !pid->b_valid || pid->psi ) continue; for( j = 0; j < i_pmt_rm; j++ ) { int i_prg; for( 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( p_sys->b_dvb_control && pid->es->id ) { if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, i, false ) ) p_sys->b_dvb_control = false; } PIDClean( p_demux->out, pid ); break; } if( !pid->b_valid ) break; } } /* Delete PMT pid */ for( i = 0; i < i_pmt_rm; i++ ) { int i_prg; if( p_sys->b_dvb_control ) { if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, pmt_rm[i]->i_pid, false ) ) p_sys->b_dvb_control = false; } for( i_prg = 0; i_prg < pmt_rm[i]->psi->i_prg; i_prg++ ) { const int i_number = pmt_rm[i]->psi->prg[i_prg]->i_number; es_out_Control( p_demux->out, ES_OUT_DEL_GROUP, i_number ); } PIDClean( p_demux->out, &p_sys->pid[pmt_rm[i]->i_pid] ); TAB_REMOVE( p_sys->i_pmt, p_sys->pmt, pmt_rm[i] ); } 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 ) { ts_pid_t *pmt = &p_sys->pid[p_program->i_pid]; bool b_add = true; if( pmt->b_valid ) { int i_prg; for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ ) { if( pmt->psi->prg[i_prg]->i_number == p_program->i_number ) { b_add = false; break; } } } else { TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt ); } if( b_add ) { PIDInit( pmt, true, pat->psi ); pmt->psi->prg[pmt->psi->i_prg-1]->handle = dvbpsi_AttachPMT( p_program->i_number, (dvbpsi_pmt_callback)PMTCallBack, p_demux ); pmt->psi->prg[pmt->psi->i_prg-1]->i_number = p_program->i_number; pmt->psi->prg[pmt->psi->i_prg-1]->i_pid_pmt = p_program->i_pid; /* Now select PID at access level */ if( p_sys->b_dvb_control ) { if( DVBProgramIsSelected( p_demux, p_program->i_number ) ) { if( p_sys->i_dvb_program == 0 ) p_sys->i_dvb_program = p_program->i_number; if( stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_SET_PRIVATE_ID_STATE, p_program->i_pid, true ) ) p_sys->b_dvb_control = false; } } } } } pat->psi->i_pat_version = p_pat->i_version; dvbpsi_DeletePAT( p_pat ); }