dvb.h

/*
Copyright (C) 2006  Adam Charrett

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

dvb.h

Opens/Closes and setups dvb adapter for use in the rest of the application.

*/
#ifndef _DVB_H
#define _DVB_H
#include <stdint.h>
#include <pthread.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>

#include "types.h"

#define DVB_MAX_PID_FILTERS 15

typedef struct DVBAdapterPIDFilter_s
{
    int demuxFd;  
    uint16_t pid; 
    bool system;  
}DVBAdapterPIDFilter_t;

typedef struct DVBAdapter_t
{
    int adapter;                      
    struct dvb_frontend_info info;    
    char frontEndPath[30];            
    int frontEndFd;                   
    char demuxPath[30];               
    DVBAdapterPIDFilter_t filters[DVB_MAX_PID_FILTERS];
    char dvrPath[30];                 
    int dvrFd;                        
    int lnbLowFreq;                   
    int lnbHighFreq;                  
    int lnbSwitchFreq;                
    bool hardwareRestricted;          
    pthread_t monitorThread;          
    bool monitorExit;                 
}
DVBAdapter_t;

enum Polarisation_e
{
    POL_HORIZONTAL = 0,
    POL_VERTICAL
};

typedef struct DVBDiSEqCSettings_s
{
    enum Polarisation_e polarisation;
    unsigned long satellite_number;  
}DVBDiSEqCSettings_t;
    
DVBAdapter_t *DVBInit(int adapter, bool hwRestricted);

void DVBDispose(DVBAdapter_t *adapter);

int DVBFrontEndTune(DVBAdapter_t *adapter, struct dvb_frontend_parameters *frontend, DVBDiSEqCSettings_t *diseqc);

void DVBFrontEndLNBInfoSet(DVBAdapter_t *adapter, int lowFreq, int highFreq, int switchFreq);

int DVBFrontEndStatus(DVBAdapter_t *adapter, fe_status_t *status, 
                            unsigned int *ber, unsigned int *strength, 
                            unsigned int *snr, unsigned int *ucblocks);

int DVBDemuxSetBufferSize(DVBAdapter_t *adapter, unsigned long size);

int DVBDemuxAllocateFilter(DVBAdapter_t *adapter, uint16_t pid, bool system);

int DVBDemuxReleaseFilter(DVBAdapter_t *adapter, uint16_t pid);

int DVBDemuxReleaseAllFilters(DVBAdapter_t *adapter, bool system);

int DVBDVRRead(DVBAdapter_t *adapter, char *data, int max, int timeout);


#endif

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