output/Internal: move "really_enabled" flag to class AudioOutputControl

src/output/Control.cxx

@@ -132,7 +132,7 @@ AudioOutputControl::EnableAsync()
 			/* don't bother to start the thread now if the
 			   device doesn't even have a enable() method;
 			   just assign the variable and we're done */
-			output->really_enabled = true;
+			really_enabled = true;
 			return;
 		}
 
@@ -147,11 +147,11 @@ AudioOutputControl::DisableAsync() noexcept
 {
 	if (!thread.IsDefined()) {
 		if (output->plugin.disable == nullptr)
-			output->really_enabled = false;
+			really_enabled = false;
 		else
 			/* if there's no thread yet, the device cannot
 			   be enabled */
-			assert(!output->really_enabled);
+			assert(!really_enabled);
 
 		return;
 	}
@@ -162,7 +162,7 @@ AudioOutputControl::DisableAsync() noexcept
 void
 AudioOutputControl::EnableDisableAsync()
 {
-	if (enabled == output->really_enabled)
+	if (enabled == really_enabled)
 		return;
 
 	if (enabled)
@@ -233,7 +233,7 @@ AudioOutputControl::LockUpdate(const AudioFormat audio_format,
 {
 	const std::lock_guard<Mutex> protect(mutex);
 
-	if (enabled && output->really_enabled) {
+	if (enabled && really_enabled) {
 		if (force || !fail_timer.IsDefined() ||
 		    fail_timer.Check(REOPEN_AFTER * 1000)) {
 			return Open(audio_format, mp);

src/output/Control.hxx

@@ -144,6 +144,12 @@ class AudioOutputControl {
 	bool enabled = true;
 
 	/**
+	 * Is this device actually enabled, i.e. the "enable" method
+	 * has succeeded?
+	 */
+	bool really_enabled = false;
+
+	/**
 	 * Is the device paused?  i.e. the output thread is in the
 	 * ao_pause() loop.
 	 */

src/output/Internal.hxx

@@ -54,12 +54,6 @@ struct AudioOutput {
 	Mixer *mixer = nullptr;
 
 	/**
-	 * Is this device actually enabled, i.e. the "enable" method
-	 * has succeeded?
-	 */
-	bool really_enabled = false;
-
-	/**
 	 * Is the device (already) open and functional?
 	 *
 	 * This attribute may only be modified by the output thread.

src/output/Thread.cxx

@@ -60,9 +60,6 @@ AudioOutputControl::CommandFinished() noexcept
 inline void
 AudioOutput::Enable()
 {
-	if (really_enabled)
-		return;
-
 	try {
 		const ScopeUnlock unlock(mutex);
 		ao_plugin_enable(*this);
@@ -70,19 +67,13 @@ AudioOutput::Enable()
 		std::throw_with_nested(FormatRuntimeError("Failed to enable output \"%s\" [%s]",
 							  name, plugin.name));
 	}
-
-	really_enabled = true;
 }
 
 inline void
 AudioOutput::Disable() noexcept
 {
-	if (really_enabled) {
-		really_enabled = false;
-
 	const ScopeUnlock unlock(mutex);
 	ao_plugin_disable(*this);
-	}
 }
 
 void
@@ -200,10 +191,15 @@ AudioOutput::OpenOutputAndConvert(AudioFormat desired_audio_format)
 inline bool
 AudioOutputControl::InternalEnable() noexcept
 {
+	if (really_enabled)
+		/* already enabled */
+		return true;
+
 	last_error = nullptr;
 
 	try {
 		output->Enable();
+		really_enabled = true;
 		return true;
 	} catch (const std::runtime_error &e) {
 		LogError(e);
@@ -216,9 +212,13 @@ AudioOutputControl::InternalEnable() noexcept
 inline void
 AudioOutputControl::InternalDisable() noexcept
 {
+	if (!really_enabled)
+		return;
+
 	if (output->open)
 		output->Close(false);
 
+	really_enabled = false;
 	output->Disable();
 }