output/Filtered: move try/catch from IteratePause() to caller

src/output/Filtered.cxx

@@ -196,13 +196,7 @@ FilteredAudioOutput::BeginPause() noexcept
 }
 
 bool
-FilteredAudioOutput::IteratePause() noexcept
+FilteredAudioOutput::IteratePause()
 {
-	try {
-		return output->Pause();
-	} catch (...) {
-		FormatError(std::current_exception(), "Failed to pause %s",
-			    GetLogName());
-		return false;
-	}
+	return output->Pause();
 }

src/output/Filtered.hxx

@@ -227,7 +227,7 @@ public:
 	void Cancel() noexcept;
 
 	void BeginPause() noexcept;
-	bool IteratePause() noexcept;
+	bool IteratePause();
 
 	void EndPause() noexcept{
 	}

src/output/Thread.cxx

@@ -338,10 +338,14 @@ AudioOutputControl::InternalPause(std::unique_lock<Mutex> &lock) noexcept
 		if (!WaitForDelay(lock))
 			break;
 
-		bool success;
-		{
+		bool success = false;
+		try {
 			const ScopeUnlock unlock(mutex);
 			success = output->IteratePause();
+		} catch (...) {
+			FormatError(std::current_exception(),
+				    "Failed to pause %s",
+				    GetLogName());
 		}
 
 		if (!success) {