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vdr/dvbdevice.h

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/*
* dvbdevice.h: The DVB device interface
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
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* $Id: dvbdevice.h 1.23.1.1 2003/11/07 13:17:13 kls Exp $
*/
#ifndef __DVBDEVICE_H
#define __DVBDEVICE_H
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#include <linux/dvb/frontend.h>
#include <linux/dvb/version.h>
#include "device.h"
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#include "dvbspu.h"
#include "eit.h"
#if DVB_API_VERSION != 3
#error VDR requires Linux DVB driver API version 3!
#endif
#define MAXDVBDEVICES 4
class cDvbTuner;
/// The cDvbDevice implements a DVB device which can be accessed through the Linux DVB driver API.
class cDvbDevice : public cDevice {
friend class cDvbOsd;
private:
static bool Probe(const char *FileName);
///< Probes for existing DVB devices.
public:
static bool Initialize(void);
///< Initializes the DVB devices.
///< Must be called before accessing any DVB functions.
///< \return True if any devices are available.
private:
fe_type_t frontendType;
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int fd_osd, fd_audio, fd_video, fd_dvr, fd_stc;
int OsdDeviceHandle(void) const { return fd_osd; }
protected:
virtual void MakePrimaryDevice(bool On);
public:
cDvbDevice(int n);
virtual ~cDvbDevice();
virtual bool HasDecoder(void) const;
// OSD facilities
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private:
cDvbSpuDecoder *spuDecoder;
public:
cOsdBase *NewOsd(int x, int y);
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virtual cSpuDecoder *GetSpuDecoder(void);
// Channel facilities
private:
cDvbTuner *dvbTuner;
void TurnOffLiveMode(void);
public:
virtual bool ProvidesSource(int Source) const;
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virtual bool ProvidesChannel(const cChannel *Channel, int Priority = -1, bool *NeedsDetachReceivers = NULL) const;
protected:
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView);
// PID handle facilities
protected:
virtual bool SetPid(cPidHandle *Handle, int Type, bool On);
// Image Grab facilities
private:
static int devVideoOffset;
int devVideoIndex;
public:
virtual bool GrabImage(const char *FileName, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
// Video format facilities
public:
virtual void SetVideoFormat(bool VideoFormat16_9);
virtual eVideoSystem GetVideoSystem(void);
// Audio facilities
private:
int aPid1, aPid2;
protected:
virtual void SetVolumeDevice(int Volume);
virtual int NumAudioTracksDevice(void) const;
virtual const char **GetAudioTracksDevice(int *CurrentTrack = NULL) const;
virtual void SetAudioTrackDevice(int Index);
// EIT facilities
private:
cSIProcessor *siProcessor;
// Player facilities
protected:
ePlayMode playMode;
virtual bool CanReplay(void) const;
virtual bool SetPlayMode(ePlayMode PlayMode);
public:
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virtual int64_t GetSTC(void);
virtual void TrickSpeed(int Speed);
virtual void Clear(void);
virtual void Play(void);
virtual void Freeze(void);
virtual void Mute(void);
virtual void StillPicture(const uchar *Data, int Length);
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virtual bool Poll(cPoller &Poller, int TimeoutMs = 0);
virtual int PlayVideo(const uchar *Data, int Length);
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virtual void PlayAudio(const uchar *Data, int Length);
// Receiver facilities
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private:
cTSBuffer *tsBuffer;
protected:
virtual bool OpenDvr(void);
virtual void CloseDvr(void);
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virtual bool GetTSPacket(uchar *&Data);
};
#endif //__DVBDEVICE_H