vlc-0.9.3.tar.gz

/***************************************************************************** * ts.c: Transport Stream input module for VLC. ***************************************************************************** * Copyright (C) 2004-2005 the VideoLAN team * $Id: e93ffa9f7bf03963b48a999684f8ab77f97cd6da $ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * Jean-Paul Saman <jpsaman #_at_# m2x.nl> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU 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 <vlc_common.h> #include <vlc_plugin.h> #include <ctype.h> #include <vlc_access.h> /* DVB-specific things */ #include <vlc_demux.h> #include <vlc_meta.h> #include <vlc_epg.h> #include <vlc_iso_lang.h> #include <vlc_network.h> #include <vlc_charset.h> #include "../mux/mpeg/csa.h" /* Include dvbpsi headers */ #ifdef HAVE_DVBPSI_DR_H # include <dvbpsi/dvbpsi.h> # include <dvbpsi/demux.h> # include <dvbpsi/descriptor.h> # include <dvbpsi/pat.h> # include <dvbpsi/pmt.h> # include <dvbpsi/sdt.h> # include <dvbpsi/dr.h> # include <dvbpsi/psi.h> #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 <dvbpsi/eit.h> # else # include "tables/eit.h" # endif #endif #ifdef HAVE_TIME_H # include <time.h> #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=<pid>\"}\'.") #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 ); change_unsafe(); 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 *****************************************************************************/ 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_degra