mirror of
https://github.com/rofafor/vdr-plugin-satip.git
synced 2023-10-10 13:37:42 +02:00
571 lines
17 KiB
C
571 lines
17 KiB
C
/*
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* tuner.c: SAT>IP plugin for the Video Disk Recorder
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*
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* See the README file for copyright information and how to reach the author.
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*
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*/
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#define __STDC_FORMAT_MACROS // Required for format specifiers
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#include <inttypes.h>
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#include "common.h"
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#include "config.h"
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#include "discover.h"
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#include "log.h"
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#include "poller.h"
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#include "tuner.h"
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cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
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: cThread(cString::sprintf("SATIP#%d tuner", deviceP.GetId())),
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sleepM(),
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deviceM(&deviceP),
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deviceIdM(deviceP.GetId()),
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rtspM(*this),
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rtpM(*this),
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rtcpM(*this),
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streamAddrM(""),
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streamParamM(""),
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currentServerM(NULL),
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nextServerM(NULL),
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mutexM(),
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reConnectM(),
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keepAliveM(),
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statusUpdateM(),
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pidUpdateCacheM(),
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sessionM(""),
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currentStateM(tsIdle),
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internalStateM(),
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externalStateM(),
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timeoutM(eMinKeepAliveIntervalMs),
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hasLockM(false),
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signalStrengthM(-1),
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signalQualityM(-1),
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streamIdM(-1),
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addPidsM(),
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delPidsM(),
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pidsM()
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{
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debug1("%s (, %d) [device %d]", __PRETTY_FUNCTION__, packetLenP, deviceIdM);
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// Open sockets
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int i = 100;
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while (i-- > 0) {
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if (rtpM.Open(0) && rtcpM.Open(rtpM.Port() + 1))
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break;
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rtpM.Close();
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rtcpM.Close();
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}
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if ((rtpM.Port() <= 0) || (rtcpM.Port() <= 0)) {
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error("Cannot open required RTP/RTCP ports [device %d]", deviceIdM);
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}
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// Must be done after socket initialization!
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cSatipPoller::GetInstance()->Register(rtpM);
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cSatipPoller::GetInstance()->Register(rtcpM);
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// Start thread
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Start();
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}
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cSatipTuner::~cSatipTuner()
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{
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debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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// Stop thread
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sleepM.Signal();
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if (Running())
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Cancel(3);
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Close();
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currentStateM = tsIdle;
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internalStateM.Clear();
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externalStateM.Clear();
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// Close the listening sockets
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cSatipPoller::GetInstance()->Unregister(rtcpM);
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cSatipPoller::GetInstance()->Unregister(rtpM);
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rtcpM.Close();
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rtpM.Close();
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}
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void cSatipTuner::Action(void)
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{
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debug1("%s Entering [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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reConnectM.Set(eConnectTimeoutMs);
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// Do the thread loop
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while (Running()) {
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UpdateCurrentState();
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switch (currentStateM) {
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case tsIdle:
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debug4("%s: tsIdle [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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break;
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case tsRelease:
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debug4("%s: tsRelease [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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Disconnect();
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RequestState(tsIdle, smInternal);
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break;
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case tsSet:
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debug4("%s: tsSet [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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if (Connect()) {
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RequestState(tsTuned, smInternal);
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UpdatePids(true);
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}
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else
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Disconnect();
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break;
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case tsTuned:
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debug4("%s: tsTuned [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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reConnectM.Set(eConnectTimeoutMs);
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// Read reception statistics via DESCRIBE and RTCP
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if (hasLockM || ReadReceptionStatus()) {
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// Quirk for devices without valid reception data
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if (currentServerM && currentServerM->Quirk(cSatipServer::eSatipQuirkForceLock)) {
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hasLockM = true;
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signalStrengthM = eDefaultSignalStrength;
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signalQualityM = eDefaultSignalQuality;
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}
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if (hasLockM)
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RequestState(tsLocked, smInternal);
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}
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break;
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case tsLocked:
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debug4("%s: tsLocked [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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if (!UpdatePids()) {
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error("Pid update failed - retuning [device %d]", deviceIdM);
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RequestState(tsSet, smInternal);
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break;
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}
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if (!KeepAlive()) {
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error("Keep-alive failed - retuning [device %d]", deviceIdM);
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RequestState(tsSet, smInternal);
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break;
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}
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if (reConnectM.TimedOut()) {
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error("Connection timeout - retuning [device %d]", deviceIdM);
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RequestState(tsSet, smInternal);
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break;
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}
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break;
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default:
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error("Unknown tuner status %d [device %d]", currentStateM, deviceIdM);
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break;
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}
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if (!StateRequested())
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sleepM.Wait(eSleepTimeoutMs); // to avoid busy loop and reduce cpu load
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}
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debug1("%s Exiting [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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}
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bool cSatipTuner::Open(void)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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RequestState(tsSet, smExternal);
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// return always true
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return true;
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}
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bool cSatipTuner::Close(void)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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RequestState(tsRelease, smExternal);
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// return always true
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return true;
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}
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bool cSatipTuner::Connect(void)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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if (!isempty(*streamAddrM)) {
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cString connectionUri = cString::sprintf("rtsp://%s/", *streamAddrM);
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// Just retune
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if (streamIdM >= 0) {
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cString uri = cString::sprintf("%sstream=%d?%s", *connectionUri, streamIdM, *streamParamM);
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//if (pidsM.Size())
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// uri = cString::sprintf("%s&pids=%s", *uri, *pidsM.ListPids());
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debug1("%s Retuning [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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if (rtspM.Play(*uri)) {
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keepAliveM.Set(timeoutM);
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return true;
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}
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}
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else if (rtspM.Options(*connectionUri)) {
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cString uri = cString::sprintf("%s?%s", *connectionUri, *streamParamM);
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// Flush any old content
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rtpM.Flush();
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rtcpM.Flush();
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if (rtspM.Setup(*uri, rtpM.Port(), rtcpM.Port())) {
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keepAliveM.Set(timeoutM);
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if (nextServerM) {
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cSatipDiscover::GetInstance()->UseServer(nextServerM, true);
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currentServerM = nextServerM;
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nextServerM = NULL;
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}
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return true;
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}
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}
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else
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rtspM.Reset();
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streamIdM = -1;
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error("Connect failed [device %d]", deviceIdM);
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}
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return false;
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}
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bool cSatipTuner::Disconnect(void)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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if (!isempty(*streamAddrM) && (streamIdM >= 0)) {
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cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
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rtspM.Teardown(*uri);
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streamIdM = -1;
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}
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// Reset signal parameters
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hasLockM = false;
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signalStrengthM = -1;
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signalQualityM = -1;
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if (currentServerM)
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cSatipDiscover::GetInstance()->UseServer(currentServerM, false);
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statusUpdateM.Set(0);
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timeoutM = eMinKeepAliveIntervalMs;
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addPidsM.Clear();
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delPidsM.Clear();
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// return always true
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return true;
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}
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void cSatipTuner::ProcessVideoData(u_char *bufferP, int lengthP)
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{
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debug16("%s (, %d) [device %d]", __PRETTY_FUNCTION__, lengthP, deviceIdM);
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if (lengthP > 0) {
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uint64_t elapsed;
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cTimeMs processing(0);
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AddTunerStatistic(lengthP);
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elapsed = processing.Elapsed();
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if (elapsed > 1)
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debug6("%s AddTunerStatistic() took %" PRIu64 " ms [device %d]", __PRETTY_FUNCTION__, elapsed, deviceIdM);
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processing.Set(0);
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deviceM->WriteData(bufferP, lengthP);
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elapsed = processing.Elapsed();
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if (elapsed > 1)
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debug6("%s WriteData() took %" PRIu64 " ms [device %d]", __FUNCTION__, elapsed, deviceIdM);
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}
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reConnectM.Set(eConnectTimeoutMs);
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}
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void cSatipTuner::ProcessApplicationData(u_char *bufferP, int lengthP)
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{
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debug16("%s (%d) [device %d]", __PRETTY_FUNCTION__, lengthP, deviceIdM);
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// DVB-S2:
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// ver=<major>.<minor>;src=<srcID>;tuner=<feID>,<level>,<lock>,<quality>,<frequency>,<polarisation>,<system>,<type>,<pilots>,<roll_off>,<symbol_rate>,<fec_inner>;pids=<pid0>,...,<pidn>
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// DVB-T2:
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// ver=1.1;tuner=<feID>,<level>,<lock>,<quality>,<freq>,<bw>,<msys>,<tmode>,<mtype>,<gi>,<fec>,<plp>,<t2id>,<sm>;pids=<pid0>,...,<pidn>
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// DVB-C2:
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// ver=1.2;tuner=<feID>,<level>,<lock>,<quality>,<freq>,<bw>,<msys>,<mtype>,<sr>,<c2tft>,<ds>,<plp>,<specinv>;pids=<pid0>,...,<pidn>
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if (lengthP > 0) {
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char s[lengthP];
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memcpy(s, (char *)bufferP, lengthP);
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debug10("%s (%s) [device %d]", __PRETTY_FUNCTION__, s, deviceIdM);
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char *c = strstr(s, ";tuner=");
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if (c) {
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int value;
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// level:
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// Numerical value between 0 and 255
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// An incoming L-band satellite signal of
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// -25dBm corresponds to 224
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// -65dBm corresponds to 32
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// No signal corresponds to 0
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c = strstr(c, ",");
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value = atoi(++c);
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// Scale value to 0-100
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signalStrengthM = (value >= 0) ? (value * 100 / 255) : -1;
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// lock:
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// lock Set to one of the following values:
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// "0" the frontend is not locked
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// "1" the frontend is locked
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c = strstr(c, ",");
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hasLockM = !!atoi(++c);
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// quality:
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// Numerical value between 0 and 15
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// Lowest value corresponds to highest error rate
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// The value 15 shall correspond to
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// -a BER lower than 2x10-4 after Viterbi for DVB-S
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// -a PER lower than 10-7 for DVB-S2
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c = strstr(c, ",");
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value = atoi(++c);
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// Scale value to 0-100
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signalQualityM = (hasLockM && (value >= 0)) ? (value * 100 / 15) : 0;
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}
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}
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reConnectM.Set(eConnectTimeoutMs);
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}
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void cSatipTuner::SetStreamId(int streamIdP)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s (%d) [device %d]", __PRETTY_FUNCTION__, streamIdP, deviceIdM);
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streamIdM = streamIdP;
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}
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void cSatipTuner::SetSessionTimeout(const char *sessionP, int timeoutP)
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{
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cMutexLock MutexLock(&mutexM);
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debug1("%s (%s, %d) [device %d]", __PRETTY_FUNCTION__, sessionP, timeoutP, deviceIdM);
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sessionM = sessionP;
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if (nextServerM && nextServerM->Quirk(cSatipServer::eSatipQuirkSessionId) && !isempty(*sessionM) && startswith(*sessionM, "0"))
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rtspM.SetSession(SkipZeroes(*sessionM));
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timeoutM = (timeoutP > eMinKeepAliveIntervalMs) ? timeoutP : eMinKeepAliveIntervalMs;
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}
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int cSatipTuner::GetId(void)
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{
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debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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return deviceIdM;
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}
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bool cSatipTuner::SetSource(cSatipServer *serverP, const char *parameterP, const int indexP)
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{
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debug1("%s (%s, %d) [device %d]", __PRETTY_FUNCTION__, parameterP, indexP, deviceIdM);
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cMutexLock MutexLock(&mutexM);
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if (serverP) {
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nextServerM = cSatipDiscover::GetInstance()->GetServer(serverP);
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if (nextServerM && !isempty(nextServerM->Address()) && !isempty(parameterP)) {
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// Update stream address and parameter
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streamAddrM = rtspM.RtspUnescapeString(nextServerM->Address());
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streamParamM = rtspM.RtspUnescapeString(parameterP);
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// Reconnect
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RequestState(tsSet, smExternal);
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}
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}
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else {
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streamAddrM = "";
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streamParamM = "";
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}
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return true;
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}
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bool cSatipTuner::SetPid(int pidP, int typeP, bool onP)
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{
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debug16("%s (%d, %d, %d) [device %d]", __PRETTY_FUNCTION__, pidP, typeP, onP, deviceIdM);
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cMutexLock MutexLock(&mutexM);
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if (onP) {
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pidsM.AddPid(pidP);
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addPidsM.AddPid(pidP);
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delPidsM.RemovePid(pidP);
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}
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else {
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pidsM.RemovePid(pidP);
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delPidsM.AddPid(pidP);
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addPidsM.RemovePid(pidP);
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}
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debug9("%s (%d, %d, %d) pids=%s [device %d]", __PRETTY_FUNCTION__, pidP, typeP, onP, *pidsM.ListPids(), deviceIdM);
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pidUpdateCacheM.Set(ePidUpdateIntervalMs);
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sleepM.Signal();
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return true;
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}
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bool cSatipTuner::UpdatePids(bool forceP)
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{
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debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
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cMutexLock MutexLock(&mutexM);
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if (((forceP && pidsM.Size()) || (pidUpdateCacheM.TimedOut() && (addPidsM.Size() || delPidsM.Size()))) &&
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!isempty(*streamAddrM) && (streamIdM > 0)) {
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cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
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bool usedummy = !!(currentServerM && currentServerM->Quirk(cSatipServer::eSatipQuirkPlayPids));
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if (forceP || usedummy) {
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if (pidsM.Size())
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uri = cString::sprintf("%s?pids=%s", *uri, *pidsM.ListPids());
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if (usedummy && (pidsM.Size() == 1) && (pidsM[0] < 0x20))
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uri = cString::sprintf("%s,%d", *uri, eDummyPid);
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}
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else {
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if (addPidsM.Size())
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uri = cString::sprintf("%s?addpids=%s", *uri, *addPidsM.ListPids());
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if (delPidsM.Size())
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uri = cString::sprintf("%s%sdelpids=%s", *uri, addPidsM.Size() ? "&" : "?", *delPidsM.ListPids());
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}
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if (!rtspM.Play(*uri))
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return false;
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addPidsM.Clear();
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delPidsM.Clear();
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}
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return true;
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}
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bool cSatipTuner::KeepAlive(bool forceP)
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{
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debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
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cMutexLock MutexLock(&mutexM);
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if (keepAliveM.TimedOut()) {
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keepAliveM.Set(timeoutM);
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forceP = true;
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}
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if (forceP && !isempty(*streamAddrM)) {
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cString uri = cString::sprintf("rtsp://%s/", *streamAddrM);
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if (!rtspM.Options(*uri))
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return false;
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}
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return true;
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}
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bool cSatipTuner::ReadReceptionStatus(bool forceP)
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{
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debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
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cMutexLock MutexLock(&mutexM);
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if (statusUpdateM.TimedOut()) {
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statusUpdateM.Set(eStatusUpdateTimeoutMs);
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forceP = true;
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}
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if (forceP && !isempty(*streamAddrM) && (streamIdM > 0)) {
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cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
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if (rtspM.Describe(*uri))
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return true;
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}
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return false;
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}
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void cSatipTuner::UpdateCurrentState(void)
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{
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debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
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cMutexLock MutexLock(&mutexM);
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eTunerState state = currentStateM;
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if (internalStateM.Size()) {
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state = internalStateM.At(0);
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internalStateM.Remove(0);
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}
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else if (externalStateM.Size()) {
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state = externalStateM.At(0);
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externalStateM.Remove(0);
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}
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if (currentStateM != state) {
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debug1("%s: Switching from %s to %s [device %d]", __PRETTY_FUNCTION__, TunerStateString(currentStateM), TunerStateString(state), deviceIdM);
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currentStateM = state;
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}
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}
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bool cSatipTuner::StateRequested(void)
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{
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cMutexLock MutexLock(&mutexM);
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debug16("%s current=%s internal=%d external=%d [device %d]", __PRETTY_FUNCTION__, TunerStateString(currentStateM), internalStateM.Size(), externalStateM.Size(), deviceIdM);
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return (internalStateM.Size() || externalStateM.Size());
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}
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bool cSatipTuner::RequestState(eTunerState stateP, eStateMode modeP)
|
|
{
|
|
cMutexLock MutexLock(&mutexM);
|
|
debug1("%s (%s, %s) current=%s internal=%d external=%d [device %d]", __PRETTY_FUNCTION__, TunerStateString(stateP), StateModeString(modeP), TunerStateString(currentStateM), internalStateM.Size(), externalStateM.Size(), deviceIdM);
|
|
|
|
if (modeP == smExternal)
|
|
externalStateM.Append(stateP);
|
|
else if (modeP == smInternal) {
|
|
eTunerState state = internalStateM.Size() ? internalStateM.At(internalStateM.Size() - 1) : currentStateM;
|
|
|
|
// validate legal state changes
|
|
switch (state) {
|
|
case tsIdle:
|
|
if (stateP == tsRelease)
|
|
return false;
|
|
case tsRelease:
|
|
case tsSet:
|
|
case tsLocked:
|
|
case tsTuned:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
internalStateM.Append(stateP);
|
|
}
|
|
else
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
const char *cSatipTuner::StateModeString(eStateMode modeP)
|
|
{
|
|
switch (modeP) {
|
|
case smInternal:
|
|
return "smInternal";
|
|
case smExternal:
|
|
return "smExternal";
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return "---";
|
|
}
|
|
|
|
const char *cSatipTuner::TunerStateString(eTunerState stateP)
|
|
{
|
|
switch (stateP) {
|
|
case tsIdle:
|
|
return "tsIdle";
|
|
case tsRelease:
|
|
return "tsRelease";
|
|
case tsSet:
|
|
return "tsSet";
|
|
case tsLocked:
|
|
return "tsLocked";
|
|
case tsTuned:
|
|
return "tsTuned";
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return "---";
|
|
}
|
|
|
|
int cSatipTuner::SignalStrength(void)
|
|
{
|
|
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
|
|
return signalStrengthM;
|
|
}
|
|
|
|
int cSatipTuner::SignalQuality(void)
|
|
{
|
|
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
|
|
return signalQualityM;
|
|
}
|
|
|
|
bool cSatipTuner::HasLock(void)
|
|
{
|
|
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
|
|
return (currentStateM >= tsTuned) && hasLockM;
|
|
}
|
|
|
|
cString cSatipTuner::GetSignalStatus(void)
|
|
{
|
|
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
|
|
return cString::sprintf("lock=%d strength=%d quality=%d", HasLock(), SignalStrength(), SignalQuality());
|
|
}
|
|
|
|
cString cSatipTuner::GetInformation(void)
|
|
{
|
|
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
|
|
return (currentStateM >= tsTuned) ? cString::sprintf("rtsp://%s/?%s [stream=%d]", *streamAddrM, *streamParamM, streamIdM) : "connection failed";
|
|
}
|