From ba7c61fb3901eb08eec4662c355f8e4275d68c61 Mon Sep 17 00:00:00 2001
From: Frank Schmirler <vdr@schmirler.de>
Date: Sun, 11 Dec 2011 17:03:09 +0100
Subject: Support for non-cycle-free setups (e.g. where two VDRs mutually share
 their DVB cards through streamdev-client/-server). Must be enabled in
 streamdev-server setup. Obsoletes recursion patches.

---
 client/device.c           | 3 ++-
 client/device.h           | 2 ++
 client/streamdev-client.c | 8 ++++++++
 client/streamdev-client.h | 1 +
 4 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'client')

diff --git a/client/device.c b/client/device.c
index 5d81727..2dec904 100644
--- a/client/device.c
+++ b/client/device.c
@@ -22,6 +22,7 @@ using namespace std;
 #define VIDEOBUFSIZE MEGABYTE(3)
 
 cStreamdevDevice *cStreamdevDevice::m_Device = NULL;
+const cChannel *cStreamdevDevice::m_DenyChannel = NULL;
 
 cStreamdevDevice::cStreamdevDevice(void) {
 	m_Channel    = NULL;
@@ -91,7 +92,7 @@ bool cStreamdevDevice::ProvidesChannel(const cChannel *Channel, int Priority,
 	bool prio = Priority < 0 || Priority > this->Priority();
 	bool ndr = false;
 
-	if (!StreamdevClientSetup.StartClient)
+	if (!StreamdevClientSetup.StartClient || Channel == m_DenyChannel)
 		return false;
 
 	Dprintf("ProvidesChannel, Channel=%s, Prio=%d\n", Channel->Name(), Priority);
diff --git a/client/device.h b/client/device.h
index fe8568f..1b03c43 100644
--- a/client/device.h
+++ b/client/device.h
@@ -26,6 +26,7 @@ private:
 	bool                 m_DvrClosed;
 
 	static cStreamdevDevice *m_Device;
+	static const cChannel   *m_DenyChannel;
 
 	bool OpenDvrInt(void);
 	void CloseDvrInt(void);
@@ -70,6 +71,7 @@ public:
 	virtual int SignalQuality(void) const;
 
 	static void UpdatePriority(void);
+	static void DenyChannel(const cChannel *Channel) { m_DenyChannel = Channel; }
 	static bool Init(void);
 	static bool ReInit(void);
 
diff --git a/client/streamdev-client.c b/client/streamdev-client.c
index 62c57bd..088837f 100644
--- a/client/streamdev-client.c
+++ b/client/streamdev-client.c
@@ -52,6 +52,14 @@ bool cPluginStreamdevClient::SetupParse(const char *Name, const char *Value) {
   return StreamdevClientSetup.SetupParse(Name, Value);
 }
 
+bool cPluginStreamdevClient::Service(const char *Id, void *Data) {
+	if (!strcmp(Id, LOOP_PREVENTION_SERVICE)) {
+		cStreamdevDevice::DenyChannel((const cChannel*) Data);
+  		return true;
+	}
+	return false;
+}
+
 void cPluginStreamdevClient::MainThreadHook(void) {
   cStreamdevDevice::UpdatePriority();
 }
diff --git a/client/streamdev-client.h b/client/streamdev-client.h
index 1885ed1..77d8af9 100644
--- a/client/streamdev-client.h
+++ b/client/streamdev-client.h
@@ -23,6 +23,7 @@ public:
   virtual cOsdObject *MainMenuAction(void);
   virtual cMenuSetupPage *SetupMenu(void);
   virtual bool SetupParse(const char *Name, const char *Value);
+  virtual bool Service(const char *Id, void *Data = NULL);
   virtual void MainThreadHook(void);
 };
 
-- 
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