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vdr-plugin-satip/tuner.h

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/*
* tuner.h: SAT>IP plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#ifndef __SATIP_TUNER_H
#define __SATIP_TUNER_H
#include <curl/curl.h>
#include <curl/easy.h>
#ifndef CURLOPT_RTSPHEADER
#error "libcurl is missing required RTSP support"
#endif
#include <vdr/thread.h>
#include <vdr/tools.h>
#include "deviceif.h"
#include "server.h"
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#include "statistics.h"
#include "socket.h"
class cSatipTuner : public cThread, public cSatipTunerStatistics {
private:
enum {
eDummyPid = 100,
eDefaultSignalStrength = 15,
eDefaultSignalQuality = 224,
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eConnectTimeoutMs = 1500, // in milliseconds
ePidUpdateIntervalMs = 250, // in milliseconds
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eReConnectTimeoutMs = 5000, // in milliseconds
eMinKeepAliveIntervalMs = 30000 // in milliseconds
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};
static size_t HeaderCallback(void *ptrP, size_t sizeP, size_t nmembP, void *dataP);
cCondWait sleepM;
cSatipDeviceIf* deviceM;
unsigned char* packetBufferM;
unsigned int packetBufferLenM;
cSatipSocket *rtpSocketM;
cSatipSocket *rtcpSocketM;
cString streamAddrM;
cString streamParamM;
cSatipServer *currentServerM;
cSatipServer *nextServerM;
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cMutex mutexM;
CURL *handleM;
struct curl_slist *headerListM;
cTimeMs keepAliveM;
cTimeMs signalInfoCacheM;
cTimeMs pidUpdateCacheM;
cString sessionM;
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int timeoutM;
bool openedM;
bool tunedM;
bool hasLockM;
int signalStrengthM;
int signalQualityM;
int streamIdM;
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cVector<int> addPidsM;
cVector<int> delPidsM;
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cVector<int> pidsM;
bool Connect(void);
bool Disconnect(void);
bool ValidateLatestResponse(void);
void ParseReceptionParameters(const char *paramP);
void SetStreamId(int streamIdP);
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void SetSessionTimeout(const char *sessionP, int timeoutP = 0);
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bool KeepAlive(void);
bool UpdateSignalInfoCache(void);
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bool UpdatePids(bool forceP = false);
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protected:
virtual void Action(void);
public:
cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP);
virtual ~cSatipTuner();
bool IsTuned(void) const { return tunedM; }
bool SetSource(cSatipServer *serverP, const char *parameterP, const int indexP);
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bool SetPid(int pidP, int typeP, bool onP);
bool Open(void);
bool Close(void);
int SignalStrength(void);
int SignalQuality(void);
bool HasLock(void);
cString GetSignalStatus(void);
cString GetInformation(void);
};
#endif // __SATIP_TUNER_H