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real copy of sectionsd includes

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[CST] Focus
2012-02-01 16:57:05 +04:00
parent 1670222ce2
commit 1b4e149bd1
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src/eitd/dmx.h Normal file
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/*
* $Header: /cvs/tuxbox/apps/tuxbox/neutrino/daemons/sectionsd/dmx.h,v 1.17 2009/05/23 16:50:12 seife Exp $
*
* DMX class (sectionsd) - d-box2 linux project
*
* (C) 2003 by thegoodguy <thegoodguy@berlios.de>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __sectionsd__dmx_h__
#define __sectionsd__dmx_h__
#include <pthread.h>
#include <stdint.h>
#include <sys/types.h>
#include <vector>
#include <config.h>
#if HAVE_COOL_HARDWARE
#include <dmx_cs.h>
#endif
#if HAVE_TRIPLEDRAGON
#include <dmx_td.h>
#endif
typedef uint64_t sections_id_t;
typedef unsigned char version_number_t;
class DMX
{
private:
int fd;
cDemux * dmx;
int dmx_num;
pthread_mutex_t pauselock;
unsigned short pID;
unsigned short dmxBufferSizeInKB;
sections_id_t first_skipped;
int current_service;
unsigned char eit_version;
bool cache; /* should read sections be cached? true for all but dmxCN */
inline bool isOpen(void) {
return (fd != -1);
}
int immediate_start(void); /* mutex must be locked before and unlocked after this method */
int immediate_stop(void); /* mutex must be locked before and unlocked after this method */
bool check_complete(const unsigned char table_id, const unsigned short extension_id, const unsigned short onid, const unsigned short tsid, const unsigned char);
sections_id_t create_sections_id(const unsigned char table_id, const unsigned short extension_id, const unsigned char section_number, const unsigned short onid, const unsigned short tsid);
ssize_t readNbytes(int fd, char * buf, const size_t n, unsigned timeoutInMSeconds);
public:
struct s_filters
{
unsigned char filter;
unsigned char mask;
};
std::vector<s_filters> filters;
int filter_index;
time_t lastChanged;
int real_pauseCounter;
pthread_cond_t change_cond;
pthread_mutex_t start_stop_mutex;
DMX(const unsigned short p, const unsigned short bufferSizeInKB, const bool cache = true, int dmx_source = 0);
~DMX();
int start(void);
ssize_t read(char * const buf, const size_t buflength, const unsigned timeoutMInSeconds);
void closefd(void);
void addfilter(const unsigned char filter, const unsigned char mask);
int stop(void);
void close(void);
int real_pause(void);
int real_unpause(void);
int request_pause(void);
int request_unpause(void);
int change(const int new_filter_index, const int new_current_service = -1); // locks while changing
void lock(void);
void unlock(void);
int getSection(char *buf, const unsigned timeoutInMSeconds, int &timeouts);
// section with size < 3 + 5 are skipped !
int setPid(const unsigned short new_pid);
int setCurrentService(int new_current_service);
int dropCachedSectionIDs();
unsigned char get_eit_version(void);
// was useful for debugging...
unsigned int get_current_service(void);
};
#endif /* __sectionsd__dmx_h__ */