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vdr-plugin-satip/tuner.c

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/*
* tuner.c: SAT>IP plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#define __STDC_FORMAT_MACROS // Required for format specifiers
#include <inttypes.h>
#include "common.h"
#include "config.h"
#include "discover.h"
#include "log.h"
#include "poller.h"
#include "tuner.h"
cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
: cThread(cString::sprintf("SATIP#%d tuner", deviceP.GetId())),
sleepM(),
deviceM(&deviceP),
deviceIdM(deviceP.GetId()),
rtspM(*this),
rtpM(*this),
rtcpM(*this),
streamAddrM(""),
streamParamM(""),
tnrParamM(""),
streamPortM(SATIP_DEFAULT_RTSP_PORT),
currentServerM(NULL, deviceP.GetId(), 0),
nextServerM(NULL, deviceP.GetId(), 0),
mutexM(),
reConnectM(),
keepAliveM(),
statusUpdateM(),
pidUpdateCacheM(),
sessionM(""),
currentStateM(tsIdle),
internalStateM(),
externalStateM(),
timeoutM(eMinKeepAliveIntervalMs),
hasLockM(false),
signalStrengthM(-1),
signalQualityM(-1),
frontendIdM(-1),
streamIdM(-1),
pmtPidM(-1),
addPidsM(),
delPidsM(),
pidsM()
{
debug1("%s (, %d) [device %d]", __PRETTY_FUNCTION__, packetLenP, deviceIdM);
// Open sockets
int i = SatipConfig.GetPortRangeStart() ? SatipConfig.GetPortRangeStop() - SatipConfig.GetPortRangeStart() - 1 : 100;
int port = SatipConfig.GetPortRangeStart();
while (i-- > 0) {
// RTP must use an even port number
if (rtpM.Open(port) && (rtpM.Port() % 2 == 0) && rtcpM.Open(rtpM.Port() + 1))
break;
rtpM.Close();
rtcpM.Close();
if (SatipConfig.GetPortRangeStart())
port += 2;
}
if ((rtpM.Port() <= 0) || (rtcpM.Port() <= 0)) {
error("Cannot open required RTP/RTCP ports [device %d]", deviceIdM);
}
// Must be done after socket initialization!
cSatipPoller::GetInstance()->Register(rtpM);
cSatipPoller::GetInstance()->Register(rtcpM);
// Start thread
Start();
}
cSatipTuner::~cSatipTuner()
{
debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
// Stop thread
sleepM.Signal();
if (Running())
Cancel(3);
Close();
currentStateM = tsIdle;
internalStateM.Clear();
externalStateM.Clear();
// Close the listening sockets
cSatipPoller::GetInstance()->Unregister(rtcpM);
cSatipPoller::GetInstance()->Unregister(rtpM);
rtcpM.Close();
rtpM.Close();
}
void cSatipTuner::Action(void)
{
debug1("%s Entering [device %d]", __PRETTY_FUNCTION__, deviceIdM);
bool lastIdleStatus = false;
cTimeMs idleCheck(eIdleCheckTimeoutMs);
cTimeMs tuning(eTuningTimeoutMs);
reConnectM.Set(eConnectTimeoutMs);
// Do the thread loop
while (Running()) {
UpdateCurrentState();
switch (currentStateM) {
case tsIdle:
debug4("%s: tsIdle [device %d]", __PRETTY_FUNCTION__, deviceIdM);
break;
case tsRelease:
debug4("%s: tsRelease [device %d]", __PRETTY_FUNCTION__, deviceIdM);
Disconnect();
RequestState(tsIdle, smInternal);
break;
case tsSet:
debug4("%s: tsSet [device %d]", __PRETTY_FUNCTION__, deviceIdM);
if (Connect()) {
tuning.Set(eTuningTimeoutMs);
RequestState(tsTuned, smInternal);
UpdatePids(true);
}
else
Disconnect();
break;
case tsTuned:
debug4("%s: tsTuned [device %d]", __PRETTY_FUNCTION__, deviceIdM);
reConnectM.Set(eConnectTimeoutMs);
idleCheck.Set(eIdleCheckTimeoutMs);
lastIdleStatus = false;
// Read reception statistics via DESCRIBE and RTCP
if (hasLockM || ReadReceptionStatus()) {
// Quirk for devices without valid reception data
if (currentServerM.IsQuirk(cSatipServer::eSatipQuirkForceLock)) {
hasLockM = true;
signalStrengthM = eDefaultSignalStrength;
signalQualityM = eDefaultSignalQuality;
}
if (hasLockM)
RequestState(tsLocked, smInternal);
}
else if (tuning.TimedOut()) {
error("Tuning timeout - retuning [device %d]", deviceIdM);
RequestState(tsSet, smInternal);
}
break;
case tsLocked:
debug4("%s: tsLocked [device %d]", __PRETTY_FUNCTION__, deviceIdM);
if (!UpdatePids()) {
error("Pid update failed - retuning [device %d]", deviceIdM);
RequestState(tsSet, smInternal);
break;
}
if (!KeepAlive()) {
error("Keep-alive failed - retuning [device %d]", deviceIdM);
RequestState(tsSet, smInternal);
break;
}
if (reConnectM.TimedOut()) {
error("Connection timeout - retuning [device %d]", deviceIdM);
RequestState(tsSet, smInternal);
break;
}
if (idleCheck.TimedOut()) {
bool currentIdleStatus = deviceM->IsIdle();
if (lastIdleStatus && currentIdleStatus) {
info("Idle timeout - releasing [device %d]", deviceIdM);
RequestState(tsRelease, smInternal);
}
lastIdleStatus = currentIdleStatus;
idleCheck.Set(eIdleCheckTimeoutMs);
break;
}
break;
default:
error("Unknown tuner status %d [device %d]", currentStateM, deviceIdM);
break;
}
if (!StateRequested())
sleepM.Wait(eSleepTimeoutMs); // to avoid busy loop and reduce cpu load
}
debug1("%s Exiting [device %d]", __PRETTY_FUNCTION__, deviceIdM);
}
bool cSatipTuner::Open(void)
{
cMutexLock MutexLock(&mutexM);
debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
RequestState(tsSet, smExternal);
// return always true
return true;
}
bool cSatipTuner::Close(void)
{
cMutexLock MutexLock(&mutexM);
debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
RequestState(tsRelease, smExternal);
// return always true
return true;
}
bool cSatipTuner::Connect(void)
{
cMutexLock MutexLock(&mutexM);
debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
if (!isempty(*streamAddrM)) {
cString connectionUri = GetBaseUrl(*streamAddrM, streamPortM);
tnrParamM = "";
// Just retune
if (streamIdM >= 0) {
cString uri = cString::sprintf("%sstream=%d?%s", *connectionUri, streamIdM, *streamParamM);
debug1("%s Retuning [device %d]", __PRETTY_FUNCTION__, deviceIdM);
if (rtspM.Play(*uri)) {
keepAliveM.Set(timeoutM);
return true;
}
}
else if (rtspM.SetInterface(nextServerM.IsValid() ? *nextServerM.GetSrcAddress() : NULL) && rtspM.Options(*connectionUri)) {
cString uri = cString::sprintf("%s?%s", *connectionUri, *streamParamM);
bool useTcp = SatipConfig.IsTransportModeRtpOverTcp() && nextServerM.IsValid() && nextServerM.IsQuirk(cSatipServer::eSatipQuirkRtpOverTcp);
// Flush any old content
//rtpM.Flush();
//rtcpM.Flush();
if (rtspM.Setup(*uri, rtpM.Port(), rtcpM.Port(), useTcp)) {
keepAliveM.Set(timeoutM);
if (nextServerM.IsValid()) {
currentServerM = nextServerM;
nextServerM.Reset();
}
currentServerM.Attach();
return true;
}
}
rtspM.Reset();
streamIdM = -1;
error("Connect failed [device %d]", deviceIdM);
}
return false;
}
bool cSatipTuner::Disconnect(void)
{
cMutexLock MutexLock(&mutexM);
debug1("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
if (!isempty(*streamAddrM) && (streamIdM >= 0)) {
cString uri = cString::sprintf("%sstream=%d", *GetBaseUrl(*streamAddrM, streamPortM), streamIdM);
rtspM.Teardown(*uri);
// some devices requires a teardown for TCP connection also
rtspM.Reset();
streamIdM = -1;
}
// Reset signal parameters
hasLockM = false;
signalStrengthM = -1;
signalQualityM = -1;
frontendIdM = -1;
currentServerM.Detach();
statusUpdateM.Set(0);
timeoutM = eMinKeepAliveIntervalMs;
pmtPidM = -1;
addPidsM.Clear();
delPidsM.Clear();
// return always true
return true;
}
void cSatipTuner::ProcessVideoData(u_char *bufferP, int lengthP)
{
debug16("%s (, %d) [device %d]", __PRETTY_FUNCTION__, lengthP, deviceIdM);
if (lengthP > 0) {
uint64_t elapsed;
cTimeMs processing(0);
AddTunerStatistic(lengthP);
elapsed = processing.Elapsed();
if (elapsed > 1)
debug6("%s AddTunerStatistic() took %" PRIu64 " ms [device %d]", __PRETTY_FUNCTION__, elapsed, deviceIdM);
processing.Set(0);
deviceM->WriteData(bufferP, lengthP);
elapsed = processing.Elapsed();
if (elapsed > 1)
debug6("%s WriteData() took %" PRIu64 " ms [device %d]", __FUNCTION__, elapsed, deviceIdM);
}
reConnectM.Set(eConnectTimeoutMs);
}
void cSatipTuner::ProcessRtpData(u_char *bufferP, int lengthP)
{
rtpM.Process(bufferP, lengthP);
}
void cSatipTuner::ProcessApplicationData(u_char *bufferP, int lengthP)
{
debug16("%s (%d) [device %d]", __PRETTY_FUNCTION__, lengthP, deviceIdM);
// DVB-S2:
// ver=<major>.<minor>;src=<srcID>;tuner=<feID>,<level>,<lock>,<quality>,<frequency>,<polarisation>,<system>,<type>,<pilots>,<roll_off>,<symbol_rate>,<fec_inner>;pids=<pid0>,...,<pidn>
// DVB-T2:
// ver=1.1;tuner=<feID>,<level>,<lock>,<quality>,<freq>,<bw>,<msys>,<tmode>,<mtype>,<gi>,<fec>,<plp>,<t2id>,<sm>;pids=<pid0>,...,<pidn>
// DVB-C2:
// ver=1.2;tuner=<feID>,<level>,<lock>,<quality>,<freq>,<bw>,<msys>,<mtype>,<sr>,<c2tft>,<ds>,<plp>,<specinv>;pids=<pid0>,...,<pidn>
if (lengthP > 0) {
char s[lengthP];
memcpy(s, (char *)bufferP, lengthP);
debug10("%s (%s) [device %d]", __PRETTY_FUNCTION__, s, deviceIdM);
char *c = strstr(s, ";tuner=");
if (c) {
int value;
// feID:
frontendIdM = atoi(c + 7);
// level:
// Numerical value between 0 and 255
// An incoming L-band satellite signal of
// -25dBm corresponds to 224
// -65dBm corresponds to 32
// No signal corresponds to 0
c = strstr(c, ",");
value = min(atoi(++c), 255);
// Scale value to 0-100
signalStrengthM = (value >= 0) ? (value * 100 / 255) : -1;
// lock:
// lock Set to one of the following values:
// "0" the frontend is not locked
// "1" the frontend is locked
c = strstr(c, ",");
hasLockM = !!atoi(++c);
// quality:
// Numerical value between 0 and 15
// Lowest value corresponds to highest error rate
// The value 15 shall correspond to
// -a BER lower than 2x10-4 after Viterbi for DVB-S
// -a PER lower than 10-7 for DVB-S2
c = strstr(c, ",");
value = min(atoi(++c), 15);
// Scale value to 0-100
signalQualityM = (hasLockM && (value >= 0)) ? (value * 100 / 15) : 0;
}
}
reConnectM.Set(eConnectTimeoutMs);
}
void cSatipTuner::ProcessRtcpData(u_char *bufferP, int lengthP)
{
rtcpM.Process(bufferP, lengthP);
}
void cSatipTuner::SetStreamId(int streamIdP)
{
cMutexLock MutexLock(&mutexM);
debug1("%s (%d) [device %d]", __PRETTY_FUNCTION__, streamIdP, deviceIdM);
streamIdM = streamIdP;
}
void cSatipTuner::SetSessionTimeout(const char *sessionP, int timeoutP)
{
cMutexLock MutexLock(&mutexM);
debug1("%s (%s, %d) [device %d]", __PRETTY_FUNCTION__, sessionP, timeoutP, deviceIdM);
sessionM = sessionP;
if (nextServerM.IsQuirk(cSatipServer::eSatipQuirkSessionId) && !isempty(*sessionM) && startswith(*sessionM, "0"))
rtspM.SetSession(SkipZeroes(*sessionM));
timeoutM = (timeoutP > eMinKeepAliveIntervalMs) ? timeoutP : eMinKeepAliveIntervalMs;
}
void cSatipTuner::SetupTransport(int rtpPortP, int rtcpPortP, const char *streamAddrP, const char *sourceAddrP)
{
cMutexLock MutexLock(&mutexM);
debug1("%s (%d, %d, %s, %s) [device %d]", __PRETTY_FUNCTION__, rtpPortP, rtcpPortP, streamAddrP, sourceAddrP, deviceIdM);
bool multicast = !isempty(streamAddrP);
// Adapt RTP to any transport media change
if (multicast != rtpM.IsMulticast() || rtpPortP != rtpM.Port()) {
cSatipPoller::GetInstance()->Unregister(rtpM);
rtpM.Close();
if (rtpPortP >= 0) {
if (multicast)
rtpM.OpenMulticast(rtpPortP, streamAddrP, sourceAddrP);
else
rtpM.Open(rtpPortP);
cSatipPoller::GetInstance()->Register(rtpM);
}
}
// Adapt RTCP to any transport media change
if (multicast != rtcpM.IsMulticast() || rtcpPortP != rtcpM.Port()) {
cSatipPoller::GetInstance()->Unregister(rtcpM);
rtcpM.Close();
if (rtcpPortP >= 0) {
if (multicast)
rtcpM.OpenMulticast(rtpPortP, streamAddrP, sourceAddrP);
else
rtcpM.Open(rtpPortP);
cSatipPoller::GetInstance()->Register(rtcpM);
}
}
}
cString cSatipTuner::GetBaseUrl(const char *addressP, const int portP)
{
debug16("%s (%s, %d) [device %d]", __PRETTY_FUNCTION__, addressP, portP, deviceIdM);
if (portP != SATIP_DEFAULT_RTSP_PORT)
return cString::sprintf("rtsp://%s:%d/", addressP, portP);
return cString::sprintf("rtsp://%s/", addressP);
}
int cSatipTuner::GetId(void)
{
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
return deviceIdM;
}
bool cSatipTuner::SetSource(cSatipServer *serverP, const int transponderP, const char *parameterP, const int indexP)
{
debug1("%s (%d, %s, %d) [device %d]", __PRETTY_FUNCTION__, transponderP, parameterP, indexP, deviceIdM);
cMutexLock MutexLock(&mutexM);
if (serverP) {
nextServerM.Set(serverP, transponderP);
if (!isempty(*nextServerM.GetAddress()) && !isempty(parameterP)) {
// Update stream address and parameter
streamAddrM = rtspM.RtspUnescapeString(*nextServerM.GetAddress());
streamParamM = rtspM.RtspUnescapeString(parameterP);
streamPortM = nextServerM.GetPort();
// Modify parameter if required
if (nextServerM.IsQuirk(cSatipServer::eSatipQuirkForcePilot) && strstr(parameterP, "msys=dvbs2") && !strstr(parameterP, "plts="))
streamParamM = rtspM.RtspUnescapeString(*cString::sprintf("%s&plts=on", parameterP));
// Reconnect
RequestState(tsSet, smExternal);
}
}
else {
streamAddrM = "";
streamParamM = "";
}
return true;
}
bool cSatipTuner::SetPid(int pidP, int typeP, bool onP)
{
debug16("%s (%d, %d, %d) [device %d]", __PRETTY_FUNCTION__, pidP, typeP, onP, deviceIdM);
cMutexLock MutexLock(&mutexM);
if (onP) {
pidsM.AddPid(pidP);
addPidsM.AddPid(pidP);
delPidsM.RemovePid(pidP);
}
else {
pidsM.RemovePid(pidP);
delPidsM.AddPid(pidP);
addPidsM.RemovePid(pidP);
}
debug12("%s (%d, %d, %d) pids=%s [device %d]", __PRETTY_FUNCTION__, pidP, typeP, onP, *pidsM.ListPids(), deviceIdM);
sleepM.Signal();
return true;
}
bool cSatipTuner::UpdatePids(bool forceP)
{
debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
cMutexLock MutexLock(&mutexM);
if (((forceP && pidsM.Size()) || (pidUpdateCacheM.TimedOut() && (addPidsM.Size() || delPidsM.Size()))) &&
!isempty(*streamAddrM) && (streamIdM > 0)) {
cString uri = cString::sprintf("%sstream=%d", *GetBaseUrl(*streamAddrM, streamPortM), streamIdM);
bool useci = (SatipConfig.GetCIExtension() && currentServerM.HasCI());
bool usedummy = currentServerM.IsQuirk(cSatipServer::eSatipQuirkPlayPids);
if (forceP || usedummy) {
if (pidsM.Size())
uri = cString::sprintf("%s?pids=%s", *uri, *pidsM.ListPids());
if (usedummy && (pidsM.Size() == 1) && (pidsM[0] < 0x20))
uri = cString::sprintf("%s,%d", *uri, eDummyPid);
}
else {
if (addPidsM.Size())
uri = cString::sprintf("%s?addpids=%s", *uri, *addPidsM.ListPids());
if (delPidsM.Size())
uri = cString::sprintf("%s%sdelpids=%s", *uri, addPidsM.Size() ? "&" : "?", *delPidsM.ListPids());
}
if (useci) {
if (currentServerM.IsQuirk(cSatipServer::eSatipQuirkCiXpmt)) {
// CI extension parameters:
// - x_pmt : specifies the PMT of the service you want the CI to decode
// - x_ci : specfies which CI slot (1..n) to use
// value 0 releases the CI slot
// CI slot released automatically if the stream is released,
// but not when used retuning to another channel
int pid = deviceM->GetPmtPid();
if ((pid > 0) && (pid != pmtPidM)) {
int slot = deviceM->GetCISlot();
uri = cString::sprintf("%s&x_pmt=%d", *uri, pid);
if (slot > 0)
uri = cString::sprintf("%s&x_ci=%d", *uri, slot);
}
pmtPidM = pid;
}
else if (currentServerM.IsQuirk(cSatipServer::eSatipQuirkCiTnr)) {
// CI extension parameters:
// - tnr : specifies a channel config entry
cString param = deviceM->GetTnrParameterString();
if (!isempty(*param) && strcmp(*tnrParamM, *param) != 0)
uri = cString::sprintf("%s&tnr=%s", *uri, *param);
tnrParamM = param;
}
}
pidUpdateCacheM.Set(ePidUpdateIntervalMs);
if (!rtspM.Play(*uri))
return false;
addPidsM.Clear();
delPidsM.Clear();
}
return true;
}
bool cSatipTuner::KeepAlive(bool forceP)
{
debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
cMutexLock MutexLock(&mutexM);
if (keepAliveM.TimedOut()) {
keepAliveM.Set(timeoutM);
forceP = true;
}
if (forceP && !isempty(*streamAddrM)) {
cString uri = GetBaseUrl(*streamAddrM, streamPortM);
if (!rtspM.Options(*uri))
return false;
}
return true;
}
bool cSatipTuner::ReadReceptionStatus(bool forceP)
{
debug16("%s (%d) tunerState=%s [device %d]", __PRETTY_FUNCTION__, forceP, TunerStateString(currentStateM), deviceIdM);
cMutexLock MutexLock(&mutexM);
if (statusUpdateM.TimedOut()) {
statusUpdateM.Set(eStatusUpdateTimeoutMs);
forceP = true;
}
if (forceP && !isempty(*streamAddrM) && (streamIdM > 0)) {
cString uri = cString::sprintf("%sstream=%d", *GetBaseUrl(*streamAddrM, streamPortM), streamIdM);
if (rtspM.Describe(*uri))
return true;
}
return false;
}
void cSatipTuner::UpdateCurrentState(void)
{
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
cMutexLock MutexLock(&mutexM);
eTunerState state = currentStateM;
if (internalStateM.Size()) {
state = internalStateM.At(0);
internalStateM.Remove(0);
}
else if (externalStateM.Size()) {
state = externalStateM.At(0);
externalStateM.Remove(0);
}
if (currentStateM != state) {
debug1("%s: Switching from %s to %s [device %d]", __PRETTY_FUNCTION__, TunerStateString(currentStateM), TunerStateString(state), deviceIdM);
currentStateM = state;
}
}
bool cSatipTuner::StateRequested(void)
{
cMutexLock MutexLock(&mutexM);
debug16("%s current=%s internal=%d external=%d [device %d]", __PRETTY_FUNCTION__, TunerStateString(currentStateM), internalStateM.Size(), externalStateM.Size(), deviceIdM);
return (internalStateM.Size() || externalStateM.Size());
}
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::FrontendId(void)
{
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
return frontendIdM;
}
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 frontend=%d", HasLock(), SignalStrength(), SignalQuality(), FrontendId());
}
cString cSatipTuner::GetInformation(void)
{
debug16("%s [device %d]", __PRETTY_FUNCTION__, deviceIdM);
return (currentStateM >= tsTuned) ? cString::sprintf("%s?%s (%s) [stream=%d]", *GetBaseUrl(*streamAddrM, streamPortM), *streamParamM, *rtspM.GetActiveMode(), streamIdM) : "connection failed";
}
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