Separated data thread from tuner (Thanks to Stefan Schallenberg).

HISTORY

@@ -80,3 +80,5 @@ VDR Plugin 'satip' Revision History
 - Added support for SAT>IP frontend selection via
   Radio ID.
 - Fixed EIT scan (Thanks to Stefan Schallenberg).
+- Separated data thread from tuner (Thanks to
+  Stefan Schallenberg).

Makefile

@@ -88,7 +88,7 @@ all-redirect: all
 
 ### The object files (add further files here):
 
-OBJS = $(PLUGIN).o common.o config.o device.o discover.o param.o \
+OBJS = $(PLUGIN).o common.o config.o data.o device.o discover.o param.o \
 	sectionfilter.o server.o setup.o socket.o statistics.o tuner.o
 
 ### The main target:

common.h

@@ -109,5 +109,35 @@ extern const section_filter_table_type section_filter_table[SECTION_FILTER_TABLE
 
 extern const char VERSION[];
 
+template <class T> class cSatipVector : public cVector<T> {
+public:
+  int IndexOf(const T &Data)
+  {
+    for (int i = 0; i < this->Size(); ++i)
+        if (Data == this->At(i))
+           return i;
+    return -1;
+  }
+
+  void RemoveElement(const T &Data)
+  {
+    int i = IndexOf(Data);
+    if (i >= 0)
+       this->Remove(i);
+  }
+
+  void InsertUnique(T Data, int Before = 0)
+  {
+    if (IndexOf(Data) < 0)
+       this->Insert(Data, Before);
+  }
+
+  void AppendUnique(T Data)
+  {
+    if (IndexOf(Data) < 0)
+       this->Append(Data);
+  }
+};
+
 #endif // __SATIP_COMMON_H
 

data.c

@@ -0,0 +1,158 @@
+/*
+ * tuner.c: SAT>IP plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#include "common.h"
+#include "config.h"
+#include "discover.h"
+#include "param.h"
+#include "tuner.h"
+#include "data.h"
+
+enum LOGLEVEL {
+   logFunc = 0x01,
+   logFuncPerf = 0x02,
+   logData = 0x10,
+   logDataDetails = 0x20,
+   logAll = 0xFFFF
+   };
+
+int logLevel = logFunc | logFuncPerf | logData;
+
+#define log(lvl) \
+   if (logLevel & lvl) \
+      debug("%s::%s [device %d]", __CLASS__, __FUNCTION__, deviceM->GetId())
+#define log1(lvl, a) \
+   if (logLevel & lvl) \
+      debug("%s::%s" a " [device %d]", __CLASS__, __FUNCTION__, deviceM->GetId())
+#define log2(lvl, a, b...) \
+   if (logLevel & lvl) \
+      debug("%s::%s " a " [device %d]", __CLASS__, __FUNCTION__, b, deviceM->GetId())
+#define __CLASS__ "cSatipTunerDataThread"
+
+cSatipTunerDataThread::cSatipTunerDataThread(cSatipDeviceIf &deviceP, cSatipTunerStatistics &statisticsP, unsigned int packetLenP)
+: cThread("SAT>IP data"),
+  deviceM(&deviceP),
+  statisticsM(&statisticsP),
+  packetBufferLenM(packetLenP),
+  packetBufferM(NULL),
+  rtpSocketM(NULL),
+  timeoutM(-1),
+  timeoutHandlerM(0),
+  timeoutFuncM(NULL),
+  timeoutParamM(NULL),
+  sleepM(),
+  mutexM()
+{
+  log2(logFunc, "(...,...,%d)", packetLenP);
+
+  // Allocate packet buffer
+  packetBufferM = MALLOC(unsigned char, packetBufferLenM);
+  if (packetBufferM)
+     memset(packetBufferM, 0, packetBufferLenM);
+  else
+     error("MALLOC() failed for packet buffer [device %d]", deviceM->GetId());
+}
+
+cSatipTunerDataThread::~cSatipTunerDataThread()
+{
+  log(logFunc);
+  cMutexLock MutexLock(&mutexM);
+
+  // Free allocated memory
+  free(packetBufferM);
+  packetBufferM = NULL;
+}
+
+void cSatipTunerDataThread::Start(cSatipSocket *rtpSocketP)
+{
+  log1(logFunc, "(...)");
+  cMutexLock MutexLock(&mutexM);
+
+  rtpSocketM = rtpSocketP;
+
+  // Start thread
+  cThread::Start();
+}
+
+void cSatipTunerDataThread::SetTimeout(int timeoutP, fCallback callbackP, void *paramP)
+{
+  log2(logFunc, "(%d, ...)", timeoutP);
+  cMutexLock MutexLock(&mutexM);
+
+  if (timeoutP > 0) {
+     timeoutM = timeoutP;
+     timeoutFuncM = callbackP;
+     timeoutParamM = paramP;
+     timeoutHandlerM.Set(timeoutM);
+     }
+  else {
+     timeoutM = -1;
+     timeoutFuncM = NULL;
+     timeoutParamM = NULL;
+     timeoutHandlerM.Set(0);
+     }
+}
+
+void cSatipTunerDataThread::Cancel(int WaitSeconds)
+{
+  if (Running())
+     cThread::Cancel(WaitSeconds);
+}
+
+void cSatipTunerDataThread::Flush(void)
+{
+  log(logFunc);
+  cMutexLock MutexLock(&mutexM);
+
+  if (rtpSocketM)
+     rtpSocketM->Flush();
+}
+
+void cSatipTunerDataThread::Action(void)
+{
+  log(logFunc);
+
+  // Increase priority
+  SetPriority(-1);
+
+  // Do the thread loop
+  while (Running() && packetBufferM) {
+        int length = -1;
+        unsigned int size = min(deviceM->CheckData(), packetBufferLenM);
+ 
+        mutexM.Lock();
+
+        // Read data
+        if (rtpSocketM && rtpSocketM->IsOpen()) {
+           length = rtpSocketM->ReadVideo(packetBufferM, size);
+           log2(logData, "received %d bytes", length);
+           }
+
+        if (length > 0) {
+           log2(logDataDetails, "trying to write %d bytes", length);
+           deviceM->WriteData(packetBufferM, length);
+           log2(logDataDetails, "wrote %d bytes", length);
+
+           if (statisticsM)
+              statisticsM->AddTunerStatistic(length);
+
+           timeoutHandlerM.Set(timeoutM);
+           }
+
+        if (timeoutM > 0 && timeoutFuncM && timeoutHandlerM.TimedOut()) {
+           error("No Data received for %d ms [device %d], timeout handling started", timeoutM, deviceM->GetId());
+           (*timeoutFuncM)(timeoutParamM);
+           timeoutHandlerM.Set(timeoutM);
+           }
+
+        mutexM.Unlock();
+
+        // to avoid busy loop and reduce cpu load
+        if (length <= 0)
+           sleepM.Wait(10);
+        }
+}

data.h

@@ -0,0 +1,55 @@
+/*
+ * 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_DATA_H
+#define __SATIP_DATA_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 "statistics.h"
+#include "socket.h"
+
+class cSatipTunerDataThread: public cThread {
+public:
+  typedef void (*fCallback)(void *parm);
+ 
+  cSatipTunerDataThread(cSatipDeviceIf &deviceP, cSatipTunerStatistics &statisticsP, unsigned int packetLenP);
+  ~cSatipTunerDataThread(void);
+  void Start(cSatipSocket *rtpSocketP);
+  void SetTimeout(int timeoutP, fCallback callbackP, void *parmP);
+  void Cancel(int WaitSeconds = 0);
+  void Flush();
+
+protected:
+  void Action(void);
+  
+private:
+  cSatipTunerDataThread(cSatipTunerDataThread &toCopy); // Prohibit copying 
+
+  cSatipDeviceIf *deviceM;
+  cSatipTunerStatistics *statisticsM;
+  unsigned int packetBufferLenM;
+  unsigned char *packetBufferM;
+  cSatipSocket *rtpSocketM;
+  int timeoutM;
+  cTimeMs timeoutHandlerM;
+  fCallback timeoutFuncM;
+  void *timeoutParamM;
+  cCondWait sleepM;
+  cMutex mutexM;
+};
+
+#endif // __SATIP_DATA_H

device.c

@@ -287,7 +287,6 @@ bool cSatipDevice::SetChannelDevice(const cChannel *channelP, bool liveViewP)
         error("Unrecognized SAT>IP channel parameters: %s", channelP->Parameters());
         return false;
         }
-     cString address;
      cSatipServer *server = cSatipDiscover::GetInstance()->GetServer(channelP->Source(), channelP->Transponder(), dtp.System());
      if (!server) {
         debug("cSatipDevice::%s(%u): no suitable server found", __FUNCTION__, deviceIndexM);

statistics.h

@@ -58,6 +58,7 @@ public:
   cString GetTunerStatistic();
 
 protected:
+  friend class cSatipTunerDataThread;
   void AddTunerStatistic(long bytesP);
 
 private:

tuner.c

@@ -12,9 +12,9 @@
 
 cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
 : cThread("SAT>IP tuner"),
+  dataThreadM(deviceP, *this, packetLenP),
   sleepM(),
   deviceM(&deviceP),
-  packetBufferLenM(packetLenP),
   rtpSocketM(new cSatipSocket()),
   rtcpSocketM(new cSatipSocket()),
   streamAddrM(""),
@@ -23,13 +23,12 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
   nextServerM(NULL),
   mutexM(),
   handleM(NULL),
-  headerListM(NULL),
   keepAliveM(),
   statusUpdateM(),
   pidUpdateCacheM(),
   sessionM(""),
   timeoutM(eMinKeepAliveIntervalMs),
-  openedM(false),
+  reconnectM(false),
   tunedM(false),
   hasLockM(false),
   signalStrengthM(-1),
@@ -39,27 +38,49 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
   delPidsM(),
   pidsM()
 {
-  debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, packetBufferLenM, deviceM->GetId());
-  // Allocate packet buffer
-  packetBufferM = MALLOC(unsigned char, packetBufferLenM);
-  if (packetBufferM)
-     memset(packetBufferM, 0, packetBufferLenM);
-  else
-     error("MALLOC() failed for packet buffer [device %d]",  deviceM->GetId());
-  // Start thread
+  debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, packetLenP, deviceM->GetId());
+
+  RtspInitialize();
+
+  // Open sockets
+  for (int i = 100; i > 0; --i) {
+      if (rtpSocketM->Open() && rtcpSocketM->Open(rtpSocketM->Port() + 1))
+         break;
+      rtpSocketM->Close();
+      rtcpSocketM->Close();
+      }
+  if ((rtpSocketM->Port() <= 0) || (rtcpSocketM->Port() <= 0)) {
+     error("Cannot open required RTP/RTCP ports [device %d]", deviceM->GetId());
+     }
+  else {
+     info("Using RTP/RTCP ports %d-%d [device %d]", rtpSocketM->Port(), rtcpSocketM->Port(), deviceM->GetId());
+     }
+
+  // Start threads
+  dataThreadM.Start(rtpSocketM);
   Start();
 }
 
 cSatipTuner::~cSatipTuner()
 {
   debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
-  // Stop thread
+  // Stop threads
+  dataThreadM.Cancel(3);
   sleepM.Signal();
   if (Running())
      Cancel(3);
   Close();
+
+  // Terminate curl session
+  RtspTerminate();
+
+  // Close the listening sockets
+  if (rtpSocketM)
+     rtpSocketM->Close();
+  if (rtcpSocketM)
+     rtcpSocketM->Close();
+
   // Free allocated memory
-  free(packetBufferM);
   DELETENULL(rtcpSocketM);
   DELETENULL(rtpSocketM);
 }
@@ -67,12 +88,12 @@ cSatipTuner::~cSatipTuner()
 size_t cSatipTuner::HeaderCallback(void *ptrP, size_t sizeP, size_t nmembP, void *dataP)
 {
   cSatipTuner *obj = reinterpret_cast<cSatipTuner *>(dataP);
+  //debug("cSatipTuner::%s() [device %d]", __FUNCTION__, obj->deviceM->GetId());
+
   size_t len = sizeP * nmembP;
-  //debug("cSatipTuner::%s(%zu)", __FUNCTION__, len);
 
   char *s, *p = (char *)ptrP;
   char *r = strtok_r(p, "\r\n", &s);
-
   while (obj && r) {
         //debug("cSatipTuner::%s(%zu): %s", __FUNCTION__, len, r);
         r = skipspace(r);
@@ -111,29 +132,77 @@ size_t cSatipTuner::DataCallback(void *ptrP, size_t sizeP, size_t nmembP, void *
   return len;
 }
 
+void cSatipTuner::DataTimeoutCallback(void *objP)
+{
+  cSatipTuner *obj = reinterpret_cast<cSatipTuner *>(objP);
+  //debug("cSatipTuner::%s() [device %d]", __FUNCTION__, obj->deviceM->GetId());
+
+  if (obj)
+     obj->reconnectM = true;
+}
+
+int cSatipTuner::RtspDebugCallback(CURL *handleP, curl_infotype typeP, char *dataP, size_t sizeP, void *userPtrP)
+{
+  //cSatipTuner *obj = reinterpret_cast<cSatipTuner *>(userPtrP);
+  //debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, (int)typeP, obj->deviceM->GetId());
+
+  switch (typeP) {
+    case CURLINFO_TEXT:
+         debug("RTSP INFO  %.*s", (int)sizeP, dataP);
+         break;
+    case CURLINFO_HEADER_IN:
+         debug("RTSP HEAD< %.*s", (int)sizeP, dataP);
+         break;
+    case CURLINFO_HEADER_OUT:
+         debug("RTSP HEAD> %.*s", (int)sizeP, dataP);
+         break;
+    case CURLINFO_DATA_IN:
+         debug("RTSP DATA< %.*s", (int)sizeP, dataP);
+         break;
+    case CURLINFO_DATA_OUT:
+         debug("RTSP DATA> %.*s", (int)sizeP, dataP);
+         break;
+    default:
+         break;
+    }
+
+  return 0;
+}
+
 void cSatipTuner::Action(void)
 {
   debug("cSatipTuner::%s(): entering [device %d]", __FUNCTION__, deviceM->GetId());
-  cTimeMs timeout(eReConnectTimeoutMs);
+  cTimeMs rtcpTimeout(eReConnectTimeoutMs);
   // Increase priority
   SetPriority(-1);
   // Do the thread loop
-  while (packetBufferM && Running()) {
-        int length = -1;
-        unsigned int size = min(deviceM->CheckData(), packetBufferLenM);
-        if (tunedM && (size > 0)) {
+  while (Running()) {
+        if (reconnectM) {
+           info("SAT>IP Device %d timed out. Reconnecting.", deviceM->GetId());
+           cMutexLock MutexLock(&mutexM);
+           if (tunedM)
+              Disconnect();
+           Connect();
+           reconnectM = false;
+           }
+        if (tunedM) {
            // Update pids
            UpdatePids();
            // Remember the heart beat
            KeepAlive();
-           // Read reception statistics via DESCRIBE and RTCP
-           ReadReceptionStatus();
+           // Read reception statistics via DESCRIBE
+           if (!pidsM.Size() && statusUpdateM.TimedOut() ) {
+              cMutexLock MutexLock(&mutexM);
+              if (RtspDescribe())
+                 statusUpdateM.Set(eStatusUpdateTimeoutMs);
+              }
+           // Read reception statistics via RTCP
            if (rtcpSocketM && rtcpSocketM->IsOpen()) {
               unsigned char buf[1450];
               memset(buf, 0, sizeof(buf));
               if (rtcpSocketM->ReadApplication(buf, sizeof(buf)) > 0) {
                  ParseReceptionParameters((const char *)buf);
-                 timeout.Set(eReConnectTimeoutMs);
+                 rtcpTimeout.Set(eReConnectTimeoutMs);
                  }
               }
            // Quirk for devices without valid reception data
@@ -142,24 +211,10 @@ void cSatipTuner::Action(void)
               signalStrengthM = eDefaultSignalStrength;
               signalQualityM = eDefaultSignalQuality;
               }
-           // Read data
-           if (rtpSocketM && rtpSocketM->IsOpen())
-              length = rtpSocketM->ReadVideo(packetBufferM, size);
+           if (rtcpTimeout.TimedOut())
+              reconnectM = true;
            }
-        if (length > 0) {
-           AddTunerStatistic(length);
-           deviceM->WriteData(packetBufferM, length);
-           timeout.Set(eReConnectTimeoutMs);
-           }
-        else {
-           // Reconnect if necessary
-           if (openedM && timeout.TimedOut()) {
-              Disconnect();
-              Connect();
-              timeout.Set(eReConnectTimeoutMs);
-              }
            sleepM.Wait(10); // to avoid busy loop and reduce cpu load
-           }
         }
   debug("cSatipTuner::%s(): exiting [device %d]", __FUNCTION__, deviceM->GetId());
 }
@@ -181,151 +236,44 @@ bool cSatipTuner::Connect(void)
   cMutexLock MutexLock(&mutexM);
   debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
 
-  // Initialize the curl session
-  if (!handleM)
-     handleM = curl_easy_init();
-
-  if (handleM && !isempty(*streamAddrM)) {
-     cString uri, control, transport, range;
-     CURLcode res = CURLE_OK;
-
-     // Just retune
-     if (tunedM && (streamIdM >= 0)) {
-        debug("cSatipTuner::%s(): retune [device %d]", __FUNCTION__, deviceM->GetId());
-        keepAliveM.Set(0);
-        KeepAlive();
-        // Flush any old content
-        if (rtpSocketM)
-           rtpSocketM->Flush();
-
-        uri = cString::sprintf("rtsp://%s/?%s", *streamAddrM, *streamParamM);
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
-        transport = cString::sprintf("RTP/AVP;unicast;client_port=%d-%d", rtpSocketM->Port(), rtcpSocketM->Port());
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_TRANSPORT, *transport);
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP);
-        SATIP_CURL_EASY_PERFORM(handleM);
-
-        openedM = true;
-        return openedM;
-        }
-
-#ifdef DEBUG
-     // Verbose output
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_VERBOSE, 1L);
-#endif
-
-     // No progress meter and no signaling
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_NOPROGRESS, 1L);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_NOSIGNAL, 1L);
-
-     // Set timeouts
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_TIMEOUT_MS, (long)eConnectTimeoutMs);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_CONNECTTIMEOUT_MS, (long)eConnectTimeoutMs);
-
-     // Set user-agent
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_USERAGENT, *cString::sprintf("vdr-%s/%s (device %d)", PLUGIN_NAME_I18N, VERSION, deviceM->GetId()));
-
-     // Set URL
-     char *p = curl_easy_unescape(handleM, *streamAddrM, 0, NULL);
-     streamAddrM = p;
-     curl_free(p);
-     uri = cString::sprintf("rtsp://%s/", *streamAddrM);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_URL, *uri);
-
-     // Open sockets
-     int i = 100;
-     while (i-- > 0) {
-           if (rtpSocketM->Open() && rtcpSocketM->Open(rtpSocketM->Port() + 1))
-              break;
-           rtpSocketM->Close();
-           rtcpSocketM->Close();
-           }
-     if ((rtpSocketM->Port() <= 0) || (rtcpSocketM->Port() <= 0)) {
-        error("Cannot open required RTP/RTCP ports [device %d]", deviceM->GetId());
-        openedM = false;
-        return openedM;
-        }
-
-     // Request server options
-     keepAliveM.Set(timeoutM);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_OPTIONS);
-     SATIP_CURL_EASY_PERFORM(handleM);
-     if (!ValidateLatestResponse()) {
-        openedM = false;
-        return openedM;
-        }
-
-     // Setup media stream: "&pids=all" for the whole mux
-     uri = cString::sprintf("rtsp://%s/?%s", *streamAddrM, *streamParamM);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
-     transport = cString::sprintf("RTP/AVP;unicast;client_port=%d-%d", rtpSocketM->Port(), rtcpSocketM->Port());
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_TRANSPORT, *transport);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP);
-     // Set header callback for catching the session and timeout
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_HEADERFUNCTION, cSatipTuner::HeaderCallback);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEHEADER, this);
-     SATIP_CURL_EASY_PERFORM(handleM);
-     // Session id is now known - disable header parsing
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_HEADERFUNCTION, NULL);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEHEADER, NULL);
-     if (nextServerM && nextServerM->Quirk(cSatipServer::eSatipQuirkSessionId) && !isempty(*sessionM) && startswith(*sessionM, "0")) {
-        debug("cSatipTuner::%s(): session id quirk [device %d]", __FUNCTION__, deviceM->GetId());
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_SESSION_ID, SkipZeroes(*sessionM));
-        }
-     if (!ValidateLatestResponse()) {
-        openedM = false;
-        return openedM;
-        }
-
-     // Start playing
-     tunedM = true;
-     UpdatePids(true);
-     if (nextServerM) {
-        cSatipDiscover::GetInstance()->UseServer(nextServerM, true);
-        currentServerM = nextServerM;
-        nextServerM = NULL;
-        }
-     openedM = true;
-     return openedM;
+  if (isempty(*streamAddrM)) {
+     if (tunedM)
+        Disconnect();
+     tunedM = false;
+     return tunedM;
      }
 
-  openedM = false;
-  return openedM;
+  // Setup stream
+  tunedM = RtspSetup(streamParamM, rtpSocketM->Port(), rtcpSocketM->Port());
+  if (!tunedM)
+     return tunedM;
+
+  dataThreadM.Flush();
+  keepAliveM.Set(timeoutM);
+
+  // Start playing
+  UpdatePids(true);
+  if (nextServerM) {
+     cSatipDiscover::GetInstance()->UseServer(nextServerM, true);
+     currentServerM = nextServerM;
+     nextServerM = NULL;
+     }
+
+  return tunedM;
 }
 
 bool cSatipTuner::Disconnect(void)
 {
   cMutexLock MutexLock(&mutexM);
   debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
-  openedM = false;
 
-  // Terminate curl session
-  if (handleM) {
-     // Teardown rtsp session
-     if (!isempty(*streamAddrM) && streamIdM >= 0) {
-        CURLcode res = CURLE_OK;
-
-        cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
-        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_TEARDOWN);
-        SATIP_CURL_EASY_PERFORM(handleM);
-        ValidateLatestResponse();
-        }
-
-     // Cleanup curl stuff
-     if (headerListM) {
-        curl_slist_free_all(headerListM);
-        headerListM = NULL;
-        }
-     curl_easy_cleanup(handleM);
-     handleM = NULL;
+  // Teardown rtsp session
+  if (tunedM) {
+     RtspTeardown();
+     streamIdM = -1;
+     tunedM = false;
      }
 
-  // Close the listening sockets
-  rtpSocketM->Close();
-  rtcpSocketM->Close();
-
   // Reset signal parameters
   hasLockM = false;
   signalStrengthM = -1;
@@ -333,7 +281,6 @@ bool cSatipTuner::Disconnect(void)
 
   if (currentServerM)
      cSatipDiscover::GetInstance()->UseServer(currentServerM, false);
-  tunedM = false;
   statusUpdateM.Set(0);
   timeoutM = eMinKeepAliveIntervalMs;
   addPidsM.Clear();
@@ -388,7 +335,10 @@ void cSatipTuner::ParseReceptionParameters(const char *paramP)
         // "0" the frontend is not locked
         // "1" the frontend is locked
         c = strstr(c, ",");
-        hasLockM = atoi(++c);
+        value = !!atoi(++c);
+        if (value != hasLockM)
+           info("Device %d %s lock", deviceM->GetId(), hasLockM ? "gained" : "lost");
+        hasLockM = value;
 
         // quality:
         // Numerical value between 0 and 15
@@ -424,6 +374,7 @@ bool cSatipTuner::SetSource(cSatipServer *serverP, const char *parameterP, const
 {
   debug("cSatipTuner::%s(%s, %d) [device %d]", __FUNCTION__, parameterP, indexP, deviceM->GetId());
   cMutexLock MutexLock(&mutexM);
+
   if (serverP) {
      nextServerM = cSatipDiscover::GetInstance()->GetServer(serverP);
      if (nextServerM && !isempty(nextServerM->Address()) && !isempty(parameterP)) {
@@ -436,103 +387,83 @@ bool cSatipTuner::SetSource(cSatipServer *serverP, const char *parameterP, const
      }
   else
      Disconnect();
+
   return true;
 }
 
 bool cSatipTuner::SetPid(int pidP, int typeP, bool onP)
 {
-  //debug("cSatipTuner::%s(%d, %d, %d) [device %d]", __FUNCTION__, pidP, typeP, onP, deviceM->GetId());
+  debug("cSatipTuner::%s(%d, %d, %d) [device %d]", __FUNCTION__, pidP, typeP, onP, deviceM->GetId());
   cMutexLock MutexLock(&mutexM);
-  bool found = false;
-  for (int i = 0; i < pidsM.Size(); ++i) {
-      if (pidsM[i] == pidP) {
-         found = true;
-         if (!onP)
-            pidsM.Remove(i);
-         break;
-         }
-      }
-  if (onP && !found)
-      pidsM.Append(pidP);
-  // Generate deltas
-  found = false;
+
   if (onP) {
-     for (int i = 0; i < addPidsM.Size(); ++i) {
-         if (addPidsM[i] == pidP) {
-            found = true;
-            break;
-            }
-         }
-     if (!found)
-        addPidsM.Append(pidP);
-     for (int i = 0; i < delPidsM.Size(); ++i) {
-         if (delPidsM[i] == pidP) {
-            delPidsM.Remove(i);
-            break;
-            }
-         }
+     pidsM.AppendUnique(pidP);
+     addPidsM.AppendUnique(pidP);
+     delPidsM.RemoveElement(pidP);
      }
   else {
-     for (int i = 0; i < delPidsM.Size(); ++i) {
-         if (delPidsM[i] == pidP) {
-            found = true;
-            break;
-            }
-         }
-     if (!found)
-        delPidsM.Append(pidP);
-     for (int i = 0; i < addPidsM.Size(); ++i) {
-         if (addPidsM[i] == pidP) {
-            addPidsM.Remove(i);
-            break;
-            }
-         }
+     pidsM.RemoveElement(pidP);
+     delPidsM.AppendUnique(pidP);
+     addPidsM.RemoveElement(pidP);
      }
+
   pidUpdateCacheM.Set(ePidUpdateIntervalMs);
+
   return true;
 }
 
+cString cSatipTuner::GeneratePidParameter(bool allPidsP)
+{
+  debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, (int)allPidsP, deviceM->GetId());
+  cMutexLock MutexLock(&mutexM);
+
+  bool usedummy = !!(currentServerM && currentServerM->Quirk(cSatipServer::eSatipQuirkPlayPids));
+  cString param = "";
+
+  if (allPidsP || usedummy) {
+     if (usedummy && (pidsM.Size() == 1) && (pidsM[0] < 0x20))
+        param = cString::sprintf("%s,%d", *param, eDummyPid);
+     else if (pidsM.Size()) {
+        param = "pids=";
+        for (int i = 0; i < pidsM.Size(); ++i)
+            param = cString::sprintf("%s%s%d", *param, (i == 0 ? "" : ","), pidsM[i]);
+        }
+     }
+  else {
+     if (addPidsM.Size()) {
+        param = "addpids=";
+        for (int i = 0; i < addPidsM.Size(); ++i)
+            param = cString::sprintf("%s%s%d", *param, (i == 0 ? "" : ","), addPidsM[i]);
+        addPidsM.Clear();
+        }
+     if (delPidsM.Size()) {
+        param = cString::sprintf("%s%sdelpids=", *param, (isempty(*param) ? "" : "&"));
+        for (int i = 0; i < delPidsM.Size(); ++i)
+            param = cString::sprintf("%s%s%d", *param, (i == 0 ? "" : ","), delPidsM[i]);
+        delPidsM.Clear();
+        }
+     }
+
+   return param;
+}
+
 bool cSatipTuner::UpdatePids(bool forceP)
 {
   cMutexLock MutexLock(&mutexM);
-  if (((forceP && pidsM.Size()) || (pidUpdateCacheM.TimedOut() && (addPidsM.Size() || delPidsM.Size()))) &&
-      tunedM && handleM && !isempty(*streamAddrM) && (streamIdM > 0)) {
-     CURLcode res = CURLE_OK;
-     cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
-     bool usedummy = !!(currentServerM && currentServerM->Quirk(cSatipServer::eSatipQuirkPlayPids));
-     if (forceP || usedummy) {
-        if (pidsM.Size()) {
-           uri = cString::sprintf("%s?pids=", *uri);
-           for (int i = 0; i < pidsM.Size(); ++i)
-               uri = cString::sprintf("%s%d%s", *uri, pidsM[i], (i == (pidsM.Size() - 1)) ? "" : ",");
-           }
-        if (usedummy && (pidsM.Size() == 1) && (pidsM[0] < 0x20))
-           uri = cString::sprintf("%s,%d", *uri, eDummyPid);
-        }
-     else {
-        if (addPidsM.Size()) {
-           uri = cString::sprintf("%s?addpids=", *uri);
-           for (int i = 0; i < addPidsM.Size(); ++i)
-               uri = cString::sprintf("%s%d%s", *uri, addPidsM[i], (i == (addPidsM.Size() - 1)) ? "" : ",");
-           }
-        if (delPidsM.Size()) {
-           uri = cString::sprintf("%s%sdelpids=", *uri, addPidsM.Size() ? "&" : "?");
-           for (int i = 0; i < delPidsM.Size(); ++i)
-               uri = cString::sprintf("%s%d%s", *uri, delPidsM[i], (i == (delPidsM.Size() - 1)) ? "" : ",");
-           }
-        }
-     //debug("cSatipTuner::%s(): %s [device %d]", __FUNCTION__, *uri, deviceM->GetId());
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
-     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_PLAY);
-     SATIP_CURL_EASY_PERFORM(handleM);
-     if (ValidateLatestResponse()) {
+  //debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, (int)forceP, deviceM->GetId());
+
+  if (((forceP && pidsM.Size()) ||
+      (pidUpdateCacheM.TimedOut() && (addPidsM.Size() || delPidsM.Size())) ) &&
+      tunedM && handleM && !isempty(*streamAddrM)) {
+     // Disable RTP Timeout while sending PLAY Command
+     dataThreadM.SetTimeout(-1, &DataTimeoutCallback, this);
+     if (RtspPlay(*GeneratePidParameter(forceP))) {
         addPidsM.Clear();
         delPidsM.Clear();
+        dataThreadM.SetTimeout(eReConnectTimeoutMs, &DataTimeoutCallback, this);
+        return true;
         }
-     else
-        Disconnect();
-
-     return true;
+     Disconnect();
      }
 
   return false;
@@ -543,28 +474,175 @@ bool cSatipTuner::KeepAlive(void)
   cMutexLock MutexLock(&mutexM);
   if (tunedM && handleM && keepAliveM.TimedOut()) {
      debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+     if (RtspOptions()) {
+        keepAliveM.Set(timeoutM);
+        return true;
+        }
+     Disconnect();
+     }
+
+  return false;
+}
+
+bool cSatipTuner::RtspInitialize()
+{
+  // Initialize the curl session
+  if (!handleM) {
+     debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+
+     handleM = curl_easy_init();
+     CURLcode res = CURLE_OK;
+
+#ifdef DEBUG
+     // Verbose output
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_DEBUGFUNCTION, RtspDebugCallback);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_VERBOSE, 1L);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_DEBUGDATA, this);
+#endif
+
+     // No progress meter and no signaling
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_NOPROGRESS, 1L);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_NOSIGNAL, 1L);
+
+     // Set timeouts
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_TIMEOUT_MS, (long)eConnectTimeoutMs);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_CONNECTTIMEOUT_MS, (long)eConnectTimeoutMs);
+
+     // Set user-agent
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_USERAGENT, *cString::sprintf("vdr-%s/%s (device %d)", PLUGIN_NAME_I18N, VERSION, deviceM->GetId()));
+
+     return !!handleM;
+     }
+
+  return false;
+}
+
+bool cSatipTuner::RtspTerminate()
+{
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
+     curl_easy_cleanup(handleM);
+     handleM = NULL;
+     }
+
+  return true;
+}
+
+bool cSatipTuner::RtspSetup(const char *paramP, int rtpPortP, int rtcpPortP)
+{
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
+     cString uri;
+     CURLcode res = CURLE_OK;
+
+     // set URL, this will not change
+     // Note that we are unescaping the adress here and do NOT store it for future use.
+     char *p = curl_easy_unescape(handleM, *streamAddrM, 0, NULL);
+     cString url = cString::sprintf("rtsp://%s/", p);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_URL, *url);
+     curl_free(p);
+
+     if (streamIdM >= 0)
+        uri = cString::sprintf("rtsp://%s/stream=%d?%s", *streamAddrM, streamIdM, paramP);
+     else
+        uri = cString::sprintf("rtsp://%s/?%s", *streamAddrM, paramP);
+
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
+     cString transport = cString::sprintf("RTP/AVP;unicast;client_port=%d-%d", rtpPortP, rtcpPortP);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_TRANSPORT, *transport);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_SETUP);
+     // Set header callback for catching the session and timeout
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_HEADERFUNCTION, cSatipTuner::HeaderCallback);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEHEADER, this);
+     SATIP_CURL_EASY_PERFORM(handleM);
+     // Session id is now known - disable header parsing
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_HEADERFUNCTION, NULL);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEHEADER, NULL);
+
+     // Validate session id
+     if (streamIdM < 0) {
+        error("Internal Error: No session id received [device %d]", deviceM->GetId());
+        return false;
+        }
+     // For some SATIP boxes e.g. GSSBOX and Triax TSS 400 we need to strip the
+     // leading '0' of the sessionID.
+     if (nextServerM && nextServerM->Quirk(cSatipServer::eSatipQuirkSessionId) && !isempty(*sessionM) && startswith(*sessionM, "0")) {
+        debug("cSatipTuner::%s(): session id quirk [device %d]", __FUNCTION__, deviceM->GetId());
+        SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_SESSION_ID, SkipZeroes(*sessionM));
+        }
+
+     return ValidateLatestResponse();
+     }
+
+  return false;
+}
+
+bool cSatipTuner::RtspTeardown(void)
+{
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
+     CURLcode res = CURLE_OK;
+     cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
+
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_TEARDOWN);
+     SATIP_CURL_EASY_PERFORM(handleM);
+
+     // Reset data we have about the session
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_SESSION_ID, NULL);
+     streamIdM = -1;
+     sessionM = "";
+     timeoutM = eMinKeepAliveIntervalMs;
+
+     return ValidateLatestResponse();
+     }
+
+  return false;
+}
+
+bool cSatipTuner::RtspPlay(const char *paramP)
+{
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
+     cString uri;
+     CURLcode res = CURLE_OK;
+
+     if (paramP)
+        uri = cString::sprintf("rtsp://%s/stream=%d?%s", *streamAddrM, streamIdM, paramP);
+     else
+        uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
+
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
+     SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_PLAY);
+     SATIP_CURL_EASY_PERFORM(handleM);
+
+     return ValidateLatestResponse();
+     }
+
+  return false;
+}
+
+bool cSatipTuner::RtspOptions(void)
+{
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
      CURLcode res = CURLE_OK;
      cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
 
      SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_STREAM_URI, *uri);
      SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_RTSP_REQUEST, (long)CURL_RTSPREQ_OPTIONS);
      SATIP_CURL_EASY_PERFORM(handleM);
-     if (ValidateLatestResponse())
-        keepAliveM.Set(timeoutM);
-     else
-        Disconnect();
 
-     return true;
+     return ValidateLatestResponse();
      }
 
   return false;
 }
 
-bool cSatipTuner::ReadReceptionStatus(void)
+bool cSatipTuner::RtspDescribe(void)
 {
-  cMutexLock MutexLock(&mutexM);
-  if (tunedM && handleM && !pidsM.Size() && statusUpdateM.TimedOut() ) {
-     debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceM->GetId());
+  if (handleM) {
      CURLcode res = CURLE_OK;
      cString uri = cString::sprintf("rtsp://%s/stream=%d", *streamAddrM, streamIdM);
 
@@ -575,12 +653,11 @@ bool cSatipTuner::ReadReceptionStatus(void)
      SATIP_CURL_EASY_PERFORM(handleM);
      SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEFUNCTION, NULL);
      SATIP_CURL_EASY_SETOPT(handleM, CURLOPT_WRITEDATA, NULL);
-     if (ValidateLatestResponse())
-        statusUpdateM.Set(eStatusUpdateTimeoutMs);
-     else
-        Disconnect();
 
-     return true;
+     if (ValidateLatestResponse())
+        return true;
+
+     Disconnect();
      }
 
   return false;

tuner.h

@@ -8,13 +8,6 @@
 #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>
 
@@ -22,6 +15,7 @@
 #include "server.h"
 #include "statistics.h"
 #include "socket.h"
+#include "data.h"
 
 class cSatipTuner : public cThread, public cSatipTunerStatistics {
 private:
@@ -38,11 +32,12 @@ private:
 
   static size_t HeaderCallback(void *ptrP, size_t sizeP, size_t nmembP, void *dataP);
   static size_t DataCallback(void *ptrP, size_t sizeP, size_t nmembP, void *dataP);
+  static void   DataTimeoutCallback(void *objP);
+  static int    RtspDebugCallback(CURL *handleP, curl_infotype typeP, char *dataP, size_t sizeP, void *userPtrP);
 
+  cSatipTunerDataThread dataThreadM;
   cCondWait sleepM;
   cSatipDeviceIf* deviceM;
-  unsigned char* packetBufferM;
-  unsigned int packetBufferLenM;
   cSatipSocket *rtpSocketM;
   cSatipSocket *rtcpSocketM;
   cString streamAddrM;
@@ -51,22 +46,21 @@ private:
   cSatipServer *nextServerM;
   cMutex mutexM;
   CURL *handleM;
-  struct curl_slist *headerListM;
   cTimeMs keepAliveM;
   cTimeMs statusUpdateM;
   cTimeMs signalInfoCacheM;
   cTimeMs pidUpdateCacheM;
   cString sessionM;
   int timeoutM;
-  bool openedM;
+  bool reconnectM;
   bool tunedM;
   bool hasLockM;
   int signalStrengthM;
   int signalQualityM;
   int streamIdM;
-  cVector<int> addPidsM;
-  cVector<int> delPidsM;
-  cVector<int> pidsM;
+  cSatipVector<int> addPidsM;
+  cSatipVector<int> delPidsM;
+  cSatipVector<int> pidsM;
 
   bool Connect(void);
   bool Disconnect(void);
@@ -75,9 +69,17 @@ private:
   void SetStreamId(int streamIdP);
   void SetSessionTimeout(const char *sessionP, int timeoutP = 0);
   bool KeepAlive(void);
-  bool ReadReceptionStatus(void);
   bool UpdateSignalInfoCache(void);
   bool UpdatePids(bool forceP = false);
+  cString GeneratePidParameter(bool allPidsP = false);
+
+  bool RtspInitialize(void);
+  bool RtspTerminate(void);
+  bool RtspOptions(void);
+  bool RtspSetup(const char *paramP, int rtpPortP, int rtcpPortP);
+  bool RtspDescribe(void);
+  bool RtspPlay(const char *paramP = NULL);
+  bool RtspTeardown(void);
 
 protected:
   virtual void Action(void);