add various ndspGet* methods (#505)

libctru/include/3ds/ndsp/ndsp.h

@@ -118,24 +118,48 @@ u32    ndspGetFrameCount(void);
  */
 void ndspSetMasterVol(float volume);
 
+/**
+ * @brief Gets the master volume.
+ * @return The master volume.
+ */
+float ndspGetMasterVol(void); 
+
 /**
  * @brief Sets the output mode.
  * @param mode Output mode to set. Defaults to NDSP_OUTPUT_STEREO.
  */
 void ndspSetOutputMode(ndspOutputMode mode);
 
+/**
+ * @brief Gets the output mode.
+ * @return The output mode.
+ */
+ndspOutputMode ndspGetOutputMode(void);
+
 /**
  * @brief Sets the clipping mode.
  * @param mode Clipping mode to set. Defaults to NDSP_CLIP_SOFT.
  */
 void ndspSetClippingMode(ndspClippingMode mode);
 
+/**
+ * @brief Gets the clipping mode.
+ * @return The clipping mode.
+ */
+ndspClippingMode ndspGetClippingMode(void);
+
 /**
  * @brief Sets the output count.
  * @param count Output count to set. Defaults to 2.
  */
 void ndspSetOutputCount(int count);
 
+/**
+ * @brief Gets the output count.
+ * @return The output count.
+ */
+int ndspGetOutputCount(void);
+
 /**
  * @brief Sets the wave buffer to capture audio to.
  * @param capture Wave buffer to capture to.
@@ -158,17 +182,35 @@ void ndspSetCallback(ndspCallback callback, void* data);
  */
 void ndspSurroundSetDepth(u16 depth);
 
+/**
+ * @brief Gets the surround sound depth.
+ * @return The surround sound depth.
+ */
+u16 ndspSurroundGetDepth(void);
+
 /**
  * @brief Sets the surround sound position.
  * @param pos Position to set. Defaults to NDSP_SPKPOS_SQUARE.
  */
 void ndspSurroundSetPos(ndspSpeakerPos pos);
 
+/**
+ * @brief Gets the surround sound position.
+ * @return The surround sound speaker position.
+ */
+ndspSpeakerPos ndspSurroundGetPos(void);
+
 /**
  * @brief Sets the surround sound rear ratio.
  * @param ratio Rear ratio to set. Defaults to 0x8000.
  */
 void ndspSurroundSetRearRatio(u16 ratio);
+
+/**
+ * @brief Gets the surround sound rear ratio.
+ * @return The rear ratio.
+ */
+u16 ndspSurroundGetRearRatio(void);
 ///@}
 
 ///@name Auxiliary output
@@ -180,6 +222,13 @@ void ndspSurroundSetRearRatio(u16 ratio);
  */
 void ndspAuxSetEnable(int id, bool enable);
 
+/**
+ * @brief Gets whether auxiliary output is enabled.
+ * @param id ID of the auxiliary output.
+ * @return Whether auxiliary output is enabled.
+ */
+bool ndspAuxIsEnabled(int id);
+
 /**
  * @brief Configures whether an auxiliary output should use front bypass.
  * @param id ID of the auxiliary output.
@@ -187,6 +236,13 @@ void ndspAuxSetEnable(int id, bool enable);
  */
 void ndspAuxSetFrontBypass(int id, bool bypass);
 
+/**
+ * @brief Gets whether auxiliary output front bypass is enabled.
+ * @param id ID of the auxiliary output.
+ * @return Whether auxiliary output front bypass is enabled.
+ */
+bool ndspAuxGetFrontBypass(int id);
+
 /**
  * @brief Sets the volume of an auxiliary output.
  * @param id ID of the auxiliary output.
@@ -194,6 +250,13 @@ void ndspAuxSetFrontBypass(int id, bool bypass);
  */
 void ndspAuxSetVolume(int id, float volume);
 
+/**
+ * @brief Gets the volume of an auxiliary output.
+ * @param id ID of the auxiliary output.
+ * @return Volume of the auxiliary output.
+ */
+float ndspAuxGetVolume(int id);
+
 /**
  * @brief Sets the callback of an auxiliary output.
  * @param id ID of the auxiliary output.

libctru/source/ndsp/ndsp.c

@@ -612,6 +612,11 @@ void ndspSetMasterVol(float volume)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+void ndspGetMasterVol(void)
+{
+	return ndspMaster.masterVol;
+}
+
 void ndspSetOutputMode(ndspOutputMode mode)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -620,6 +625,11 @@ void ndspSetOutputMode(ndspOutputMode mode)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+ndspOutputMode ndspGetOutputMode(void)
+{
+	return ndspMaster.outputMode;
+}
+
 void ndspSetClippingMode(ndspClippingMode mode)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -628,6 +638,11 @@ void ndspSetClippingMode(ndspClippingMode mode)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+ndspClippingMode ndspGetClippingMode(void)
+{
+	return ndspMaster.clippingMode;
+}
+
 void ndspSetOutputCount(int count)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -636,6 +651,11 @@ void ndspSetOutputCount(int count)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+int ndspGetOutputCount(void)
+{
+	return ndspMaster.outputCount;
+}
+
 void ndspSetCapture(ndspWaveBuf* capture)
 {
 	ndspMaster.capture = capture;
@@ -655,6 +675,11 @@ void ndspSurroundSetDepth(u16 depth)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+u16 ndspSurroundGetDepth(void)
+{
+	return ndspMaster.surround.depth;
+}
+
 void ndspSurroundSetPos(ndspSpeakerPos pos)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -663,6 +688,11 @@ void ndspSurroundSetPos(ndspSpeakerPos pos)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+ndspSpeakerPos ndspSurroundGetPos(void)
+{
+	return ndspMaster.surround.pos;
+}
+
 void ndspSurroundSetRearRatio(u16 ratio)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -671,6 +701,11 @@ void ndspSurroundSetRearRatio(u16 ratio)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+u16 ndspSurroundGetRearRatio(void)
+{
+	return ndspMaster.surround.rearRatio;
+}
+
 void ndspAuxSetEnable(int id, bool enable)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -679,6 +714,11 @@ void ndspAuxSetEnable(int id, bool enable)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+bool ndspAuxIsEnabled(int id)
+{
+	return ndspMaster.aux[id].enable;
+}
+
 void ndspAuxSetFrontBypass(int id, bool bypass)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -687,6 +727,11 @@ void ndspAuxSetFrontBypass(int id, bool bypass)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+bool ndspGetFrontBypass(int id)
+{
+	return ndspMaster.aux[id].frontBypass;
+}
+
 void ndspAuxSetVolume(int id, float volume)
 {
 	LightLock_Lock(&ndspMaster.lock);
@@ -695,6 +740,11 @@ void ndspAuxSetVolume(int id, float volume)
 	LightLock_Unlock(&ndspMaster.lock);
 }
 
+float ndspAuxGetVolume(int id)
+{
+	return ndspMaster.aux[id].volume;
+}
+
 void ndspAuxSetCallback(int id, ndspAuxCallback callback, void* data)
 {
 	ndspMaster.aux[id].callback = callback;