Cocoa Port:

- Add full support for using hardware microphones on the host machine for emulating the NDS microphone. Finally, mic driven games, such as Nintendogs, are fully playable on the Mac!
- Display windows no longer include an output volume slider directly in the status bar. Instead, the slider has been moved inside a popup button, which now behaves just like OS X's volume menu. This was done for better space efficiency.
- Display windows now include a microphone icon alongside the output volume icon. Like the output volume, there is a slider control to adjust microphone gain and also a mute control.
- The microphone icon changes color depending the microphone's state (as seen by the NDS, not the host).
- Replace the existing microphone icon with one that looks better and is more modern.
- Adjust the size of the output volume icon from 20x20 pixels to 16x16 pixels.
- Fix yet another font rendering bug in the Input Profile viewer on OS X Yosemite.

desmume/src/cocoa/DeSmuME (Latest).xcodeproj/project.pbxproj

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desmume/src/cocoa/DeSmuME (XCode 3).xcodeproj/project.pbxproj

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 				AB851D2E189B2C9A007363CC /* Icon_AutoholdClear_420x420.png in Resources */,
 				AB851D2F189B2C9A007363CC /* Icon_AutoholdSet_420x420.png in Resources */,
+				AB1CC8251AA50C8D008B0A16 /* Icon_MicrophoneBlack_256x256.png in Resources */,
+				AB1CC8261AA50C8D008B0A16 /* Icon_MicrophoneBlueGlow_256x256.png in Resources */,
+				AB1CC8271AA50C8D008B0A16 /* Icon_MicrophoneGray_256x256.png in Resources */,
+				AB1CC8281AA50C8D008B0A16 /* Icon_MicrophoneGreen_256x256.png in Resources */,
+				AB1CC8291AA50C8D008B0A16 /* Icon_MicrophoneRed_256x256.png in Resources */,
+				ABACB73C1AAC46B20066F429 /* Icon_MicrophoneDarkGreen_256x256.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

desmume/src/cocoa/audiosamplegenerator.cpp

@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2013 DeSmuME team
+	Copyright (C) 2013-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -22,21 +22,42 @@
 
 #include "audiosamplegenerator.h"
 #include <math.h>
+#include "cocoa_globals.h"
 
 #define NUM_INTERNAL_NOISE_SAMPLES 32
 
-static const u8 noiseSample[NUM_INTERNAL_NOISE_SAMPLES] =
+static const uint8_t noiseSample[NUM_INTERNAL_NOISE_SAMPLES] =
 {
 	0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF5, 0xFF, 0xFF, 0xFF, 0xFF, 0x8E, 0xFF,
 	0xF4, 0xE1, 0xBF, 0x9A, 0x71, 0x58, 0x5B, 0x5F, 0x62, 0xC2, 0x25, 0x05, 0x01, 0x01, 0x01, 0x01
 };
 
-AudioSampleBlockGenerator::AudioSampleBlockGenerator(const u8 *audioBuffer, const size_t sampleCount)
+size_t AudioGenerator::generateSampleBlock(size_t sampleCount, uint8_t *outBuffer)
 {
-	_buffer = (u8 *)malloc(sampleCount * sizeof(u8));
+	if (outBuffer == NULL)
+	{
+		return 0;
+	}
+	
+	for (uint8_t *i = outBuffer; i < outBuffer + sampleCount; i++)
+	{
+		*i = this->generateSample();
+	}
+	
+	return sampleCount;
+}
+
+uint8_t AudioGenerator::generateSample()
+{
+	return MIC_NULL_SAMPLE_VALUE;
+}
+
+AudioSampleBlockGenerator::AudioSampleBlockGenerator(const uint8_t *audioBuffer, const size_t sampleCount)
+{
+	_buffer = (uint8_t *)malloc(sampleCount * sizeof(uint8_t));
 	_sampleCount = sampleCount;
 	_samplePosition = 0;
-	memcpy(_buffer, audioBuffer, _sampleCount * sizeof(u8));
+	memcpy(_buffer, audioBuffer, _sampleCount * sizeof(uint8_t));
 }
 
 AudioSampleBlockGenerator::~AudioSampleBlockGenerator()
@@ -45,22 +66,22 @@ AudioSampleBlockGenerator::~AudioSampleBlockGenerator()
 	this->_buffer = NULL;
 }
 
-u8* AudioSampleBlockGenerator::allocate(const size_t sampleCount)
+uint8_t* AudioSampleBlockGenerator::allocate(const size_t sampleCount)
 {
 	if (this->_buffer != NULL)
 	{
 		free(this->_buffer);
 	}
 	
-	this->_buffer = (u8 *)malloc(sampleCount * sizeof(u8));
+	this->_buffer = (uint8_t *)malloc(sampleCount * sizeof(uint8_t));
 	this->_sampleCount = sampleCount;
 	this->_samplePosition = 0;
-	memset(this->_buffer, MIC_NULL_SAMPLE_VALUE, this->_sampleCount * sizeof(u8));
+	memset(this->_buffer, MIC_NULL_SAMPLE_VALUE, this->_sampleCount * sizeof(uint8_t));
 	
 	return this->_buffer;
 }
 
-u8 AudioSampleBlockGenerator::generateSample()
+uint8_t AudioSampleBlockGenerator::generateSample()
 {
 	if (this->_samplePosition >= this->_sampleCount)
 	{
@@ -70,7 +91,7 @@ u8 AudioSampleBlockGenerator::generateSample()
 	return this->_buffer[_samplePosition++];
 }
 
-u8* AudioSampleBlockGenerator::getBuffer() const
+uint8_t* AudioSampleBlockGenerator::getBuffer() const
 {
 	return this->_buffer;
 }
@@ -92,29 +113,41 @@ void AudioSampleBlockGenerator::setSamplePosition(size_t thePosition)
 
 InternalNoiseGenerator::InternalNoiseGenerator()
 {
-	_buffer = (u8 *)malloc(NUM_INTERNAL_NOISE_SAMPLES * sizeof(u8));
+	_buffer = (uint8_t *)malloc(NUM_INTERNAL_NOISE_SAMPLES * sizeof(uint8_t));
 	_sampleCount = NUM_INTERNAL_NOISE_SAMPLES;
 	_samplePosition = 0;
-	memcpy(_buffer, noiseSample, _sampleCount * sizeof(u8));
+	memcpy(_buffer, noiseSample, _sampleCount * sizeof(uint8_t));
+	
+	for (size_t i = 0; i < NUM_INTERNAL_NOISE_SAMPLES; i++)
+	{
+		_buffer[i] >>= 1;
+	}
 }
 
-u8 WhiteNoiseGenerator::generateSample()
+uint8_t WhiteNoiseGenerator::generateSample()
 {
 #ifdef __APPLE__
 	#ifdef MAC_OS_X_VERSION_10_7
 	if (IsOSXVersionSupported(10, 7, 0))
 	{
-		return (u8)(arc4random_uniform(0x00000080) & 0x7F);
+		return (uint8_t)(arc4random_uniform(0x00000080) & 0x7F);
 	}
-	return (u8)((arc4random() % 0x00000080) & 0x7F);
+	return (uint8_t)((arc4random() % 0x00000080) & 0x7F);
 	#else
-	return (u8)((arc4random() % 0x00000080) & 0x7F);
+	return (uint8_t)((arc4random() % 0x00000080) & 0x7F);
 	#endif
 #else
-	return (u8)(rand() & 0x7F);
+	return (uint8_t)(rand() & 0x7F);
 #endif
 }
 
+SineWaveGenerator::SineWaveGenerator()
+{
+	_frequency = 250.0;
+	_sampleRate = MIC_SAMPLE_RATE;
+	_cyclePosition = 0.0;
+};
+
 SineWaveGenerator::SineWaveGenerator(const double freq, const double sampleRate)
 {
 	_frequency = freq;
@@ -122,9 +155,9 @@ SineWaveGenerator::SineWaveGenerator(const double freq, const double sampleRate)
 	_cyclePosition = 0.0;
 }
 
-u8 SineWaveGenerator::generateSample()
+uint8_t SineWaveGenerator::generateSample()
 {
-	const u8 sampleValue = (u8)(63.0 * sin(2.0 * M_PI * this->_cyclePosition)) + MIC_NULL_SAMPLE_VALUE;
+	const uint8_t sampleValue = (uint8_t)(63.0 * sin(2.0 * M_PI * this->_cyclePosition)) + MIC_NULL_SAMPLE_VALUE;
 	this->_cyclePosition += (this->_frequency / this->_sampleRate);
 	
 	return sampleValue;

desmume/src/cocoa/audiosamplegenerator.h

@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2013 DeSmuME team
+	Copyright (C) 2013-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -18,10 +18,7 @@
 #ifndef _AUDIO_SAMPLE_GENERATOR_
 #define _AUDIO_SAMPLE_GENERATOR_
 
-#include <stdio.h>
+#include <stdint.h>
-#include "types.h"
-
-#define MIC_NULL_SAMPLE_VALUE 64
 
 
 class AudioGenerator
@@ -30,25 +27,8 @@ public:
 	AudioGenerator() {};
 	virtual ~AudioGenerator() {};
 	
-	virtual size_t generateSampleBlock(size_t sampleCount, u8 *outBuffer)
+	virtual size_t generateSampleBlock(size_t sampleCount, uint8_t *outBuffer);
-	{
+	virtual uint8_t generateSample();
-		if (outBuffer == NULL)
-		{
-			return 0;
-		}
-		
-		for (u8 *i = outBuffer; i < outBuffer + sampleCount; i++)
-		{
-			*i = this->generateSample();
-		}
-		
-		return sampleCount;
-	}
-	
-	virtual u8 generateSample()
-	{
-		return MIC_NULL_SAMPLE_VALUE;
-	}
 };
 
 class NullGenerator : public AudioGenerator {};
@@ -56,7 +36,7 @@ class NullGenerator : public AudioGenerator {};
 class AudioSampleBlockGenerator : public AudioGenerator
 {
 protected:
-	u8 *_buffer;
+	uint8_t *_buffer;
 	size_t _sampleCount;
 	size_t _samplePosition;
 	
@@ -66,16 +46,16 @@ public:
 		, _sampleCount(0)
 		, _samplePosition(0)
 	{};
-	AudioSampleBlockGenerator(const u8 *audioBuffer, const size_t sampleCount);
+	AudioSampleBlockGenerator(const uint8_t *audioBuffer, const size_t sampleCount);
 	~AudioSampleBlockGenerator();
 	
-	u8* allocate(const size_t sampleCount);
+	uint8_t* allocate(const size_t sampleCount);
-	u8* getBuffer() const;
+	uint8_t* getBuffer() const;
 	size_t getSampleCount() const;
 	size_t getSamplePosition() const;
 	void setSamplePosition(size_t thePosition);
 	
-	virtual u8 generateSample();
+	virtual uint8_t generateSample();
 };
 
 class InternalNoiseGenerator : public AudioSampleBlockGenerator
@@ -87,7 +67,7 @@ public:
 class WhiteNoiseGenerator : public AudioGenerator
 {
 public:
-	virtual u8 generateSample();
+	virtual uint8_t generateSample();
 };
 
 class SineWaveGenerator : public AudioGenerator
@@ -98,11 +78,7 @@ protected:
 	double _cyclePosition;
 	
 public:
-	SineWaveGenerator()
+	SineWaveGenerator();
-		: _frequency(250.0)
-		, _sampleRate(44100.0)
-		, _cyclePosition(0.0)
-	{};
 	SineWaveGenerator(const double freq, const double sampleRate);
 	
 	double getFrequency() const;
@@ -112,7 +88,7 @@ public:
 	double getCyclePosition() const;
 	void setCyclePosition(double thePosition);
 	
-	virtual u8 generateSample();
+	virtual uint8_t generateSample();
 };
 
 #endif // _AUDIO_SAMPLE_GENERATOR_

desmume/src/cocoa/cocoa_core.mm

@@ -694,6 +694,8 @@ volatile bool execute = true;
 	
 	pthread_cond_signal(&threadParam.condThreadExecute);
 	pthread_mutex_unlock(&threadParam.mutexThreadExecute);
+	
+	[[self cdsController] setHardwareMicPause:!(coreState == CORESTATE_EXECUTE)];
 }
 
 - (NSInteger) coreState

desmume/src/cocoa/cocoa_globals.h

@@ -224,7 +224,8 @@
 #define FRAME_SKIP_BIAS								0.1		// May be any real number. This value acts as a vector addition to the frame skip.
 #define MAX_FRAME_SKIP								(DS_FRAMES_PER_SECOND / 3.0)
 
-#define SPU_SAMPLE_RATE								(44100.0 * DS_FRAMES_PER_SECOND / 60.0)	// Samples per second
+//#define SPU_SAMPLE_RATE								(44100.0 * DS_FRAMES_PER_SECOND / 60.0)	// Samples per second
+#define SPU_SAMPLE_RATE								44100.0	// Samples per second
 #define SPU_SAMPLE_RESOLUTION						16		// Bits per sample; must be a multiple of 8
 #define SPU_NUMBER_CHANNELS							2		// Number of channels
 #define SPU_SAMPLE_SIZE								((SPU_SAMPLE_RESOLUTION / 8) * SPU_NUMBER_CHANNELS) // Bytes per sample, multiplied by the number of channels
@@ -242,8 +243,17 @@
 #define ROMINFO_GAME_CODE_LENGTH					4
 #define ROMINFO_GAME_BANNER_LENGTH					128
 
-#define MIC_SAMPLE_RATE								16000
+#define MIC_SAMPLE_RATE								16000.0
-#define MIC_MAX_BUFFER_SAMPLES						(MIC_SAMPLE_RATE / DS_FRAMES_PER_SECOND)
+#define MIC_SAMPLE_RESOLUTION						8		// Bits per sample; must be a multiple of 8
+#define MIC_NUMBER_CHANNELS							1		// Number of channels
+#define MIC_SAMPLE_SIZE								((MIC_SAMPLE_RESOLUTION / 8) * MIC_NUMBER_CHANNELS) // Bytes per sample, multiplied by the number of channels
+#define MIC_MAX_BUFFER_SAMPLES						((MIC_SAMPLE_RATE / DS_FRAMES_PER_SECOND) * MIC_SAMPLE_SIZE)
+#define MIC_CAPTURE_FRAMES							192		// The number of audio frames that the NDS microphone should pull. The lower this value, the lower the latency. Ensure that this value is not too low, or else audio frames may be lost.
+#define MIC_CLIP_FRAME_THRESHOLD					15		// When the number of clipped mic samples exceeds this amount, the UI will reflect that the mic is clipping.
+#define MIC_CLIP_FRAME_MAX_COUNT					60		// When counting clipped mic samples, don't count past this number. This is to prevent the mic clip state from persisting too long after the mic has stopped clipping.
+#define MIC_NULL_FRAME_THRESHOLD					12		// When the number of null mic samples exceeds this amount, the UI will reflect that the mic is null.
+#define MIC_NULL_FRAME_MAX_COUNT					24		// When counting null mic samples, don't count past this number. This is to prevent the mic null state from persisting too long after the mic has read some samples.
+#define MIC_NULL_SAMPLE_VALUE						64
 
 #define COCOA_DIALOG_CANCEL							0
 #define COCOA_DIALOG_DEFAULT						1

desmume/src/cocoa/cocoa_input.h

@@ -1,6 +1,6 @@
 /*
 	Copyright (C) 2011 Roger Manuel
-	Copyright (C) 2012-2014 DeSmuME Team
+	Copyright (C) 2012-2015 DeSmuME Team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -18,8 +18,11 @@
 
 #import <Cocoa/Cocoa.h>
 #include <libkern/OSAtomic.h>
-#include "mic_ext.h"
+
-#undef BOOL
+@class CocoaDSController;
+class CoreAudioInput;
+class AudioGenerator;
+class AudioSampleBlockGenerator;
 
 enum
 {
@@ -71,32 +74,72 @@ typedef struct
 	uint16_t turboPattern;
 } NDSInput;
 
+@protocol CocoaDSControllerDelegate <NSObject>
+
+@required
+- (uint8_t) doMicSamplesReadFromController:(CocoaDSController *)cdsController inSample:(uint8_t)sampleValue;
+
+@optional
+- (void) doMicHardwareGainChangedFromController:(CocoaDSController *)cdsController gain:(float)gainValue;
+
+@end
+
 @interface CocoaDSController : NSObject
 {
+	id <CocoaDSControllerDelegate> delegate;
 	BOOL autohold;
 	BOOL isAutoholdCleared;
+	BOOL _useHardwareMic;
+	size_t _availableMicSamples;
 	NSInteger micMode;
 	NSPoint touchLocation;
 	
 	NDSInput ndsInput[DSControllerState_StatesCount];
 	AudioSampleBlockGenerator *selectedAudioFileGenerator;
+	CoreAudioInput *CAInputDevice;
+	AudioGenerator *softwareMicSampleGenerator;
 	NSInteger paddleAdjust;
 	
 	OSSpinLock spinlockControllerState;
 }
 
+@property (retain) id <CocoaDSControllerDelegate> delegate;
 @property (assign) BOOL autohold;
+@property (readonly) BOOL isHardwareMicAvailable;
+@property (assign) BOOL hardwareMicEnabled;
+@property (readonly) BOOL hardwareMicLocked;
+@property (assign) float hardwareMicGain;
+@property (assign) BOOL hardwareMicMute;
+@property (assign) BOOL hardwareMicPause;
+@property (assign) BOOL softwareMicState;
+@property (assign) NSInteger softwareMicMode;
 @property (assign) NSInteger micMode;
+@property (readonly) CoreAudioInput *CAInputDevice;
+@property (readonly) AudioGenerator *softwareMicSampleGenerator;
 @property (assign) AudioSampleBlockGenerator *selectedAudioFileGenerator;
 @property (assign) NSInteger paddleAdjust;
 
 - (void) setControllerState:(BOOL)theState controlID:(const NSUInteger)controlID;
 - (void) setControllerState:(BOOL)theState controlID:(const NSUInteger)controlID turbo:(const BOOL)isTurboEnabled;
 - (void) setTouchState:(BOOL)theState location:(const NSPoint)theLocation;
-- (void) setMicrophoneState:(BOOL)theState inputMode:(const NSInteger)inputMode;
 - (void) setSineWaveGeneratorFrequency:(const double)freq;
 - (void) clearAutohold;
 - (void) flush;
 - (void) flushEmpty;
+- (uint8_t) handleMicSampleRead:(CoreAudioInput *)caInput softwareMic:(AudioGenerator *)sampleGenerator;
+- (void) handleMicHardwareGainChanged:(float)gainValue;
 
 @end
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+void CAResetCallback(void *inParam1, void *inParam2);
+uint8_t CASampleReadCallback(void *inParam1, void *inParam2);
+void CAHardwareGainChangedCallback(float normalizedGain, void *inParam1, void *inParam2);
+
+#ifdef __cplusplus
+}
+#endif

desmume/src/cocoa/cocoa_input.mm

@@ -1,6 +1,6 @@
 /*
 	Copyright (C) 2011 Roger Manuel
-	Copyright (C) 2012-2014 DeSmuME team
+	Copyright (C) 2012-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -19,15 +19,34 @@
 #import "cocoa_input.h"
 #import "cocoa_globals.h"
 
+#include "mic_ext.h"
+#include "coreaudiosound.h"
+#include "audiosamplegenerator.h"
 #include "../NDSSystem.h"
 #include "../slot2.h"
 #undef BOOL
 
+NullGenerator nullSampleGenerator;
+InternalNoiseGenerator internalNoiseGenerator;
+WhiteNoiseGenerator whiteNoiseGenerator;
+SineWaveGenerator sineWaveGenerator(250.0, MIC_SAMPLE_RATE);
+
 
 @implementation CocoaDSController
 
+@synthesize delegate;
+@dynamic isHardwareMicAvailable;
+@dynamic hardwareMicEnabled;
+@dynamic hardwareMicLocked;
+@dynamic hardwareMicGain;
+@dynamic hardwareMicMute;
+@dynamic hardwareMicPause;
+@dynamic softwareMicState;
+@dynamic softwareMicMode;
 @dynamic autohold;
 @synthesize micMode;
+@synthesize CAInputDevice;
+@synthesize softwareMicSampleGenerator;
 @synthesize selectedAudioFileGenerator;
 @synthesize paddleAdjust;
 
@@ -47,23 +66,126 @@
 		ndsInput[i].autohold = false;
 	}
 	
+	delegate = nil;
 	spinlockControllerState = OS_SPINLOCK_INIT;	
 	autohold = NO;
 	isAutoholdCleared = YES;
+	_useHardwareMic = NO;
+	_availableMicSamples = 0;
 	
 	micMode = MICMODE_NONE;
 	selectedAudioFileGenerator = NULL;
+	CAInputDevice = new CoreAudioInput;
+	CAInputDevice->SetCallbackHardwareGainChanged(&CAHardwareGainChangedCallback, self, NULL);
+	softwareMicSampleGenerator = &nullSampleGenerator;
 	touchLocation = NSMakePoint(0.0f, 0.0f);
 	paddleAdjust = 0;
 	
+	Mic_SetResetCallback(&CAResetCallback, self, NULL);
+	Mic_SetSampleReadCallback(&CASampleReadCallback, self, NULL);
+	
 	return self;
 }
 
 - (void)dealloc
 {
+	delete CAInputDevice;
 	[super dealloc];
 }
 
+- (BOOL) isHardwareMicAvailable
+{
+	return ( CAInputDevice->IsHardwareEnabled() &&
+			!CAInputDevice->IsHardwareLocked() &&
+			!CAInputDevice->GetPauseState() ) ? YES : NO;
+}
+
+- (void) setHardwareMicEnabled:(BOOL)micEnabled
+{
+	if (micEnabled)
+	{
+		CAInputDevice->Start();
+	}
+	else
+	{
+		CAInputDevice->Stop();
+	}
+}
+
+- (BOOL) hardwareMicEnabled
+{
+	return (CAInputDevice->IsHardwareEnabled()) ? YES : NO;
+}
+
+- (BOOL) hardwareMicLocked
+{
+	return (CAInputDevice->IsHardwareLocked()) ? YES : NO;
+}
+
+- (void) setHardwareMicGain:(float)micGain
+{
+	CAInputDevice->SetGain(micGain);
+}
+
+- (float) hardwareMicGain
+{
+	return CAInputDevice->GetGain();
+}
+
+- (void) setHardwareMicMute:(BOOL)isMicMuted
+{
+	bool muteState = (isMicMuted) ? true : false;
+	CAInputDevice->SetMuteState(muteState);
+}
+
+- (BOOL) hardwareMicMute
+{
+	BOOL isMicMuted = (CAInputDevice->GetMuteState()) ? YES : NO;
+	return isMicMuted;
+}
+
+- (void) setHardwareMicPause:(BOOL)isMicPaused
+{
+	bool pauseState = (isMicPaused) ? true : false;
+	CAInputDevice->SetMuteState(pauseState);
+}
+
+- (BOOL) hardwareMicPause
+{
+	BOOL isMicPaused = (CAInputDevice->GetPauseState()) ? YES : NO;
+	return isMicPaused;
+}
+
+- (void) setSoftwareMicState:(BOOL)theState
+{
+	OSSpinLockLock(&spinlockControllerState);
+	ndsInput[DSControllerState_Microphone].state = (theState) ? true : false;
+	OSSpinLockUnlock(&spinlockControllerState);
+}
+
+- (BOOL) softwareMicState
+{
+	OSSpinLockLock(&spinlockControllerState);
+	BOOL theState = (ndsInput[DSControllerState_Microphone].state) ? YES : NO;
+	OSSpinLockUnlock(&spinlockControllerState);
+	return theState;
+}
+
+- (void) setSoftwareMicMode:(NSInteger)theMode
+{
+	OSSpinLockLock(&spinlockControllerState);
+	micMode = theMode;
+	OSSpinLockUnlock(&spinlockControllerState);
+}
+
+- (NSInteger) softwareMicMode
+{
+	OSSpinLockLock(&spinlockControllerState);
+	NSInteger theMode = micMode;
+	OSSpinLockUnlock(&spinlockControllerState);
+	return theMode;
+}
+
 - (void) setAutohold:(BOOL)theState
 {
 	OSSpinLockLock(&spinlockControllerState);
@@ -136,14 +258,6 @@
 	OSSpinLockUnlock(&spinlockControllerState);
 }
 
-- (void) setMicrophoneState:(BOOL)theState inputMode:(const NSInteger)inputMode
-{
-	OSSpinLockLock(&spinlockControllerState);
-	ndsInput[DSControllerState_Microphone].state = (theState) ? true : false;
-	micMode = inputMode;
-	OSSpinLockUnlock(&spinlockControllerState);
-}
-
 - (void) setSineWaveGeneratorFrequency:(const double)freq
 {
 	sineWaveGenerator.setFrequency(freq);
@@ -262,36 +376,37 @@
 	
 	// Setup the DS mic.
 	AudioGenerator *selectedGenerator = &nullSampleGenerator;
-	switch (theMicMode)
-	{
-		case MICMODE_INTERNAL_NOISE:
-			selectedGenerator = &internalNoiseGenerator;
-			break;
-			
-		case MICMODE_WHITE_NOISE:
-			selectedGenerator = &whiteNoiseGenerator;
-			break;
-			
-		case MICMODE_SINE_WAVE:
-			selectedGenerator = &sineWaveGenerator;
-			break;
-			
-		case MICMODE_AUDIO_FILE:
-			if (selectedAudioFileGenerator != NULL)
-			{
-				selectedGenerator = selectedAudioFileGenerator;
-			}
-			break;
-			
-		default:
-			break;
-	}
 	
-	NDS_setMic(isMicPressed);
+	if (isMicPressed)
-	if (!isMicPressed)
+	{
+		switch (theMicMode)
+		{
+			case MICMODE_INTERNAL_NOISE:
+				selectedGenerator = &internalNoiseGenerator;
+				break;
+				
+			case MICMODE_WHITE_NOISE:
+				selectedGenerator = &whiteNoiseGenerator;
+				break;
+				
+			case MICMODE_SINE_WAVE:
+				selectedGenerator = &sineWaveGenerator;
+				break;
+				
+			case MICMODE_AUDIO_FILE:
+				if (selectedAudioFileGenerator != NULL)
+				{
+					selectedGenerator = selectedAudioFileGenerator;
+				}
+				break;
+				
+			default:
+				break;
+		}
+	}
+	else
 	{
 		selectedGenerator = &nullSampleGenerator;
-		
 		internalNoiseGenerator.setSamplePosition(0);
 		sineWaveGenerator.setCyclePosition(0.0);
 		
@@ -301,26 +416,9 @@
 		}
 	}
 	
-	static const bool useBufferedSource = false;
+	_useHardwareMic = (isMicPressed) ? NO : YES;
-	Mic_SetUseBufferedSource(useBufferedSource);
+	softwareMicSampleGenerator = selectedGenerator;
-	if (useBufferedSource)
+	NDS_setMic(isMicPressed);
-	{
-		static u8 generatedSampleBuffer[(size_t)(MIC_MAX_BUFFER_SAMPLES + 0.5)] = {0};
-		static const size_t requestedSamples = MIC_MAX_BUFFER_SAMPLES;
-		
-		const size_t availableSamples = micInputBuffer.getAvailableElements();
-		if (availableSamples < requestedSamples)
-		{
-			micInputBuffer.drop(requestedSamples - availableSamples);
-		}
-		
-		selectedGenerator->generateSampleBlock(requestedSamples, generatedSampleBuffer);
-		micInputBuffer.write(generatedSampleBuffer, requestedSamples);
-	}
-	else
-	{
-		Mic_SetSelectedDirectSampleGenerator(selectedGenerator);
-	}
 }
 
 - (void) flushEmpty
@@ -380,30 +478,67 @@
 	}
 	
 	// Setup the DS mic.
-	AudioGenerator *selectedGenerator = &nullSampleGenerator;
+	_useHardwareMic = NO;
-	
+	softwareMicSampleGenerator = &nullSampleGenerator;
 	NDS_setMic(false);
+}
+
+- (uint8_t) handleMicSampleRead:(CoreAudioInput *)caInput softwareMic:(AudioGenerator *)sampleGenerator
+{
+	uint8_t theSample = MIC_NULL_SAMPLE_VALUE;
 	
-	static const bool useBufferedSource = false;
+	if (_useHardwareMic && (caInput != NULL))
-	Mic_SetUseBufferedSource(useBufferedSource);
-	if (useBufferedSource)
 	{
-		static u8 generatedSampleBuffer[(size_t)(MIC_MAX_BUFFER_SAMPLES + 0.5)] = {0};
+		if (caInput->GetPauseState())
-		static const size_t requestedSamples = MIC_MAX_BUFFER_SAMPLES;
-		
-		const size_t availableSamples = micInputBuffer.getAvailableElements();
-		if (availableSamples < requestedSamples)
 		{
-			micInputBuffer.drop(requestedSamples - availableSamples);
+			return theSample;
+		}
+		else
+		{
+			if (_availableMicSamples == 0)
+			{
+				_availableMicSamples = CAInputDevice->Pull();
+			}
+			
+			caInput->_samplesConverted->read(&theSample, 1);
+			theSample >>= 1; // Samples from CoreAudio are 8-bit, so we need to convert the sample to 7-bit
+			_availableMicSamples--;
 		}
-		
-		selectedGenerator->generateSampleBlock(requestedSamples, generatedSampleBuffer);
-		micInputBuffer.write(generatedSampleBuffer, requestedSamples);
 	}
 	else
 	{
-		Mic_SetSelectedDirectSampleGenerator(selectedGenerator);
+		theSample = sampleGenerator->generateSample();
 	}
+	
+	return [[self delegate] doMicSamplesReadFromController:self inSample:theSample];
+}
+
+- (void) handleMicHardwareGainChanged:(float)gainValue
+{
+	if (delegate == nil || ![delegate respondsToSelector:@selector(doMicHardwareGainChangedFromController:gain:)])
+	{
+		return;
+	}
+	
+	[[self delegate] doMicHardwareGainChangedFromController:self gain:gainValue];
 }
 
 @end
+
+void CAResetCallback(void *inParam1, void *inParam2)
+{
+	CocoaDSController *cdsController = (CocoaDSController *)inParam1;
+	[cdsController CAInputDevice]->Start();
+}
+
+uint8_t CASampleReadCallback(void *inParam1, void *inParam2)
+{
+	CocoaDSController *cdsController = (CocoaDSController *)inParam1;
+	return [cdsController handleMicSampleRead:[cdsController CAInputDevice] softwareMic:[cdsController softwareMicSampleGenerator]];
+}
+
+void CAHardwareGainChangedCallback(float normalizedGain, void *inParam1, void *inParam2)
+{
+	CocoaDSController *cdsController = (CocoaDSController *)inParam1;
+	[cdsController handleMicHardwareGainChanged:normalizedGain];
+}

desmume/src/cocoa/coreaudiosound.h

@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2012-2013 DeSmuME team
+	Copyright (C) 2012-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -25,6 +25,63 @@
 #include "ringbuffer.h"
 
 
+typedef void (*CoreAudioInputHardwareGainChangedCallback)(float normalizedGain, void *inParam1, void *inParam2);
+
+class CoreAudioInput
+{
+private:
+	OSSpinLock *_spinlockAUHAL;
+	
+	CoreAudioInputHardwareGainChangedCallback _hwGainChangedCallbackFunc;
+	void *_hwGainChangedCallbackParam1;
+	void *_hwGainChangedCallbackParam2;
+	
+	AUGraph _auGraph;
+	AUNode _auFormatConverterNode;
+	AUNode _auOutputNode;
+	
+	AudioUnit _auFormatConverterUnit;
+	
+	float _inputGainNormalized;
+	AudioUnitElement _inputElement;
+	
+	bool _isMuted;
+	bool _isPaused;
+	bool _isHardwareEnabled;
+	bool _isHardwareLocked;
+	
+	OSStatus InitInputAUHAL(UInt32 deviceID);
+	
+public:
+	AudioUnit _auHALInputDevice;
+	AudioUnit _auOutputUnit;
+	AudioTimeStamp _timeStamp;
+	AudioBufferList *_captureBufferList;
+	AudioBufferList *_convertBufferList;
+	UInt32 _captureFrames;
+	RingBuffer *_samplesCaptured;
+	RingBuffer *_samplesConverted;
+	
+	CoreAudioInput();
+	~CoreAudioInput();
+	
+	void Start();
+	void Stop();
+	size_t Pull();
+	bool IsHardwareEnabled() const;
+	bool IsHardwareLocked() const;
+	bool GetMuteState() const;
+	void SetMuteState(bool muteState);
+	bool GetPauseState() const;
+	void SetPauseState(bool pauseState);
+	float GetGain() const;
+	void SetGain(float normalizedGain);
+	void SetGain_ValueOnly(float normalizedGain);
+	void UpdateHardwareLock();
+	void SetCallbackHardwareGainChanged(CoreAudioInputHardwareGainChangedCallback callbackFunc, void *inParam1, void *inParam2);
+	void RunHardwareGainChangedCallback(float normalizedGain);
+};
+
 class CoreAudioOutput
 {
 private:
@@ -50,6 +107,38 @@ public:
 	void setVolume(float vol);
 };
 
+OSStatus CoreAudioInputCaptureCallback(void *inRefCon,
+									   AudioUnitRenderActionFlags *ioActionFlags,
+									   const AudioTimeStamp *inTimeStamp,
+									   UInt32 inBusNumber,
+									   UInt32 inNumberFrames,
+									   AudioBufferList *ioData);
+
+OSStatus CoreAudioInputReceiveCallback(void *inRefCon,
+									   AudioUnitRenderActionFlags *ioActionFlags,
+									   const AudioTimeStamp *inTimeStamp,
+									   UInt32 inBusNumber,
+									   UInt32 inNumberFrames,
+									   AudioBufferList *ioData);
+
+OSStatus CoreAudioInputConvertCallback(void *inRefCon,
+									   AudioUnitRenderActionFlags *ioActionFlags,
+									   const AudioTimeStamp *inTimeStamp,
+									   UInt32 inBusNumber,
+									   UInt32 inNumberFrames,
+									   AudioBufferList *ioData);
+
+OSStatus CoreAudioInputDeviceChanged(AudioObjectID inObjectID,
+									 UInt32 inNumberAddresses,
+									 const AudioObjectPropertyAddress inAddresses[],
+									 void *inClientData);
+
+void CoreAudioInputAUHALChanged(void *inRefCon,
+								AudioUnit inUnit,
+								AudioUnitPropertyID inID,
+								AudioUnitScope inScope,
+								AudioUnitElement inElement);
+
 OSStatus CoreAudioOutputRenderCallback(void *inRefCon,
 									   AudioUnitRenderActionFlags *ioActionFlags,
 									   const AudioTimeStamp *inTimeStamp,
@@ -57,4 +146,12 @@ OSStatus CoreAudioOutputRenderCallback(void *inRefCon,
 									   UInt32 inNumberFrames,
 									   AudioBufferList *ioData);
 
+void CoreAudioInputDefaultHardwareGainChangedCallback(float normalizedGain, void *inParam1, void *inParam2);
+
+bool CreateAudioUnitInstance(AudioUnit *au, ComponentDescription *auDescription);
+#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+bool CreateAudioUnitInstance(AudioUnit *au, AudioComponentDescription *auDescription);
+#endif
+void DestroyAudioUnitInstance(AudioUnit *au);
+
 #endif

desmume/src/cocoa/mic_ext.cpp

@@ -21,74 +21,52 @@
 #include "../emufile.h"
 #include "../readwrite.h"
 
-RingBuffer micInputBuffer(MIC_MAX_BUFFER_SAMPLES * 2, sizeof(u8));
-NullGenerator nullSampleGenerator;
-InternalNoiseGenerator internalNoiseGenerator;
-WhiteNoiseGenerator whiteNoiseGenerator;
-SineWaveGenerator sineWaveGenerator(250.0, MIC_SAMPLE_RATE);
 
-static bool _micUseBufferedSource = true;
+MicResetCallback _micResetCallback = &Mic_DefaultResetCallback;
-static AudioGenerator *_selectedDirectSampleGenerator = NULL;
+void *_resetCallbackParam1 = NULL;
+void *_resetCallbackParam2 = NULL;
 
+MicSampleReadCallback _micSampleReadCallback = &Mic_DefaultSampleReadCallback;
+void *_sampleReadCallbackParam1 = NULL;
+void *_sampleReadCallbackParam2 = NULL;
 
 BOOL Mic_Init()
 {
-	// Do nothing.
 	return TRUE;
 }
 
-void Mic_Reset()
-{
-	micInputBuffer.clear();
-}
-
 void Mic_DeInit()
 {
-	// Do nothing.
+	
 }
 
+void Mic_Reset()
+{
+	_micResetCallback(_resetCallbackParam1, _resetCallbackParam2);
+}
+
+// The NDS reads audio samples in the following format:
+//    Format: Unsigned Linear PCM
+//    Channels: 1 (mono)
+//    Sample Rate: 16000 Hz
+//    Sample Resolution: 7-bit
 u8 Mic_ReadSample()
 {
-	u8 theSample = MIC_NULL_SAMPLE_VALUE;
+	return _micSampleReadCallback(_sampleReadCallbackParam1, _sampleReadCallbackParam2);
-	
-	if (_micUseBufferedSource)
-	{
-		if (micInputBuffer.isEmpty())
-		{
-			return theSample;
-		}
-		
-		micInputBuffer.read(&theSample, 1);
-	}
-	else
-	{
-		if (_selectedDirectSampleGenerator != NULL)
-		{
-			theSample = _selectedDirectSampleGenerator->generateSample();
-		}
-	}
-	
-	return theSample;
 }
 
-bool Mic_GetUseBufferedSource()
+void Mic_SetResetCallback(MicResetCallback callbackFunc, void *inParam1, void *inParam2)
 {
-	return _micUseBufferedSource;
+	_micResetCallback = callbackFunc;
+	_resetCallbackParam1 = inParam1;
+	_resetCallbackParam2 = inParam2;
 }
 
-void Mic_SetUseBufferedSource(bool theState)
+void Mic_SetSampleReadCallback(MicSampleReadCallback callbackFunc, void *inParam1, void *inParam2)
 {
-	_micUseBufferedSource = theState;
+	_micSampleReadCallback = callbackFunc;
-}
+	_sampleReadCallbackParam1 = inParam1;
-
+	_sampleReadCallbackParam2 = inParam2;
-AudioGenerator* Mic_GetSelectedDirectSampleGenerator()
-{
-	return _selectedDirectSampleGenerator;
-}
-
-void Mic_SetSelectedDirectSampleGenerator(AudioGenerator *theGenerator)
-{
-	_selectedDirectSampleGenerator = theGenerator;
 }
 
 void mic_savestate(EMUFILE* os)
@@ -101,3 +79,13 @@ bool mic_loadstate(EMUFILE* is, int size)
 	is->fseek(size, SEEK_CUR);
 	return true;
 }
+
+void Mic_DefaultResetCallback(void *inParam1, void *inParam2)
+{
+	// Do nothing.
+}
+
+uint8_t Mic_DefaultSampleReadCallback(void *inParam1, void *inParam2)
+{
+	return MIC_NULL_SAMPLE_VALUE;
+}

desmume/src/cocoa/mic_ext.h

@@ -1,6 +1,6 @@
 /*
 	Copyright (C) 2011 Roger Manuel
-	Copyright (C) 2012-2013 DeSmuME team
+	Copyright (C) 2012-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -19,29 +19,15 @@
 #ifndef _MIC_EXTENSION_
 #define _MIC_EXTENSION_
 
-#include "audiosamplegenerator.h"
+#include <stdint.h>
-#include "ringbuffer.h"
 
-#ifdef __cplusplus
-extern "C"
-{
-#endif
 
-bool Mic_GetUseBufferedSource();
+typedef void (*MicResetCallback)(void *inParam1, void *inParam2);
-void Mic_SetUseBufferedSource(bool theState);
+typedef uint8_t (*MicSampleReadCallback)(void *inParam1, void *inParam2);
-AudioGenerator* Mic_GetSelectedDirectSampleGenerator();
-void Mic_SetSelectedDirectSampleGenerator(AudioGenerator *theGenerator);
 
-extern RingBuffer micInputBuffer;
+void Mic_SetResetCallback(MicResetCallback callbackFunc, void *inParam1, void *inParam2);
-extern NullGenerator nullSampleGenerator;
+void Mic_SetSampleReadCallback(MicSampleReadCallback callbackFunc, void *inParam1, void *inParam2);
-extern InternalNoiseGenerator internalNoiseGenerator;
+void Mic_DefaultResetCallback(void *inParam1, void *inParam2);
-extern WhiteNoiseGenerator whiteNoiseGenerator;
+uint8_t Mic_DefaultSampleReadCallback(void *inParam1, void *inParam2);
-extern SineWaveGenerator sineWaveGenerator;
-
-extern AudioGenerator *selectedGeneratorDirect;
-
-#ifdef __cplusplus
-}
-#endif
 
 #endif // _MIC_EXTENSION_

desmume/src/cocoa/openemu/NDSGameCore.h

@@ -18,6 +18,7 @@
 #import <Cocoa/Cocoa.h>
 #import <OpenEmuBase/OEGameCore.h>
 #import "OENDSSystemResponderClient.h"
+#import "../cocoa_input.h"
 #include <libkern/OSAtomic.h>
 #include <pthread.h>
 
@@ -27,7 +28,7 @@
 @class CocoaDSFirmware;
 
 
-@interface NDSGameCore : OEGameCore
+@interface NDSGameCore : OEGameCore <CocoaDSControllerDelegate>
 {
 	NSPoint touchLocation;
 	NSMutableDictionary *addedCheatsDict;

desmume/src/cocoa/openemu/NDSGameCore.mm

@@ -488,4 +488,13 @@ volatile bool execute = true;
 	}
 }
 
+#pragma mark CocoaDSControllerDelegate Protocol
+
+- (uint8_t) doMicSamplesReadFromController:(CocoaDSController *)cdsController inSample:(uint8_t)sampleValue
+{
+	// Do nothing.
+	// OpenEmu has no UI to reflect changes with the NDS microphone input.
+	return sampleValue;
+}
+
 @end

desmume/src/cocoa/ringbuffer.cpp

@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2013 DeSmuME team
+	Copyright (C) 2013-2015 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -21,17 +21,10 @@
 #include <libkern/OSAtomic.h>
 
 
-RingBuffer::RingBuffer(const size_t numberElements, const size_t newBufferElementSize)
+RingBuffer::RingBuffer(const size_t numberElements, const size_t elementSize)
 {
-	_elementCapacity = numberElements;
+	_buffer = NULL;
-	_elementSize = newBufferElementSize;
+	allocate(numberElements, elementSize);
-	
-	_buffer = (uint8_t *)calloc(numberElements + 2, newBufferElementSize);
-	_bufferSize = (numberElements + 2) * newBufferElementSize;
-	
-	_readPosition = 0;
-	_writePosition = 1;
-	_elementFillCount = 0;
 }
 
 RingBuffer::~RingBuffer()
@@ -40,6 +33,26 @@ RingBuffer::~RingBuffer()
 	_buffer = NULL;
 }
 
+void RingBuffer::allocate(const size_t numberElements, const size_t elementSize)
+{
+	this->_elementCapacity = numberElements;
+	this->_elementSize = elementSize;
+	
+	this->_bufferSize = (this->_elementCapacity + 2) * this->_elementSize;
+	this->_buffer = (uint8_t *)realloc(this->_buffer, this->_bufferSize);
+	memset(this->_buffer, 0, this->_bufferSize);
+	
+	this->_readPosition = 0;
+	this->_writePosition = 1;
+	this->_elementFillCount = 0;
+}
+
+void RingBuffer::resize(const size_t numberElements, const size_t elementSize)
+{
+	this->drop(this->getUsedElements());
+	this->allocate(numberElements, elementSize);
+}
+
 void RingBuffer::clear()
 {
 	this->_readPosition = 0;
@@ -237,6 +250,11 @@ size_t RingBuffer::getAvailableElements() const
 	return (this->_elementCapacity - this->_elementFillCount);
 }
 
+size_t RingBuffer::getUsedElements() const
+{
+	return (size_t)this->_elementFillCount;
+}
+
 size_t RingBuffer::getElementCapacity() const
 {
 	return this->_elementCapacity;

desmume/src/cocoa/ringbuffer.h

@@ -34,15 +34,19 @@ private:
 	size_t _readPosition;
 	size_t _writePosition;
 	
+	void allocate(const size_t numberElements, const size_t elementSize);
+	
 public:
-	RingBuffer(const size_t numberElements, const size_t newBufferElementSize);
+	RingBuffer(const size_t numberElements, const size_t elementSize);
 	~RingBuffer();
 	
 	void clear();
+	void resize(const size_t numberElements, const size_t elementSize);
 	size_t read(void *__restrict__ destBuffer, size_t requestedNumberElements);
 	size_t write(const void *__restrict__ srcBuffer, size_t requestedNumberElements);
 	size_t drop(size_t requestedNumberElements);
 	size_t getAvailableElements() const;
+	size_t getUsedElements() const;
 	size_t getElementCapacity() const;
 	size_t getElementSize() const;
 	bool isEmpty() const;

desmume/src/cocoa/userinterface/DisplayWindowController.h

@@ -79,6 +79,12 @@ class OGLVideoOutput;
 	
 	DisplayView *view;
 	NSView *saveScreenshotPanelAccessoryView;
+	NSView *outputVolumeControlView;
+	NSView *microphoneGainControlView;
+	NSMenuItem *outputVolumeMenuItem;
+	NSMenuItem *microphoneGainMenuItem;
+	NSSlider *microphoneGainSlider;
+	NSButton *microphoneMuteButton;
 	
 	EmuControllerDelegate *emuControl;
 	CocoaDSDisplayVideo *cdsVideoOutput;
@@ -112,6 +118,12 @@ class OGLVideoOutput;
 
 @property (readonly) IBOutlet DisplayView *view;
 @property (readonly) IBOutlet NSView *saveScreenshotPanelAccessoryView;
+@property (readonly) IBOutlet NSView *outputVolumeControlView;
+@property (readonly) IBOutlet NSView *microphoneGainControlView;
+@property (readonly) IBOutlet NSMenuItem *outputVolumeMenuItem;
+@property (readonly) IBOutlet NSMenuItem *microphoneGainMenuItem;
+@property (readonly) IBOutlet NSSlider *microphoneGainSlider;
+@property (readonly) IBOutlet NSButton *microphoneMuteButton;
 
 @property (retain) EmuControllerDelegate *emuControl;
 @property (assign) CocoaDSDisplayVideo *cdsVideoOutput;
@@ -142,6 +154,7 @@ class OGLVideoOutput;
 - (void) exitFullScreen;
 
 - (IBAction) copy:(id)sender;
+- (IBAction) changeHardwareMicGain:(id)sender;
 - (IBAction) changeVolume:(id)sender;
 - (IBAction) toggleKeepMinDisplaySizeAtNormal:(id)sender;
 - (IBAction) toggleStatusBar:(id)sender;

desmume/src/cocoa/userinterface/DisplayWindowController.mm

@@ -51,6 +51,12 @@
 @synthesize masterWindow;
 @synthesize view;
 @synthesize saveScreenshotPanelAccessoryView;
+@synthesize outputVolumeControlView;
+@synthesize microphoneGainControlView;
+@synthesize outputVolumeMenuItem;
+@synthesize microphoneGainMenuItem;
+@synthesize microphoneGainSlider;
+@synthesize microphoneMuteButton;
 
 @dynamic normalSize;
 @dynamic displayScale;
@@ -708,6 +714,11 @@ static std::unordered_map<NSScreen *, DisplayWindowController *> _screenMap; //
 	[CocoaDSUtil messageSendOneWay:[[self cdsVideoOutput] receivePort] msgID:MESSAGE_COPY_TO_PASTEBOARD];
 }
 
+- (IBAction) changeHardwareMicGain:(id)sender
+{
+	[emuControl changeHardwareMicGain:sender];
+}
+
 - (IBAction) changeVolume:(id)sender
 {
 	[emuControl changeVolume:sender];
@@ -1085,6 +1096,10 @@ static std::unordered_map<NSScreen *, DisplayWindowController *> _screenMap; //
 	[[emuControl windowList] addObject:self];
 	[emuControl updateAllWindowTitles];
 	
+	// Set up some custom UI elements.
+	[microphoneGainMenuItem setView:microphoneGainControlView];
+	[outputVolumeMenuItem setView:outputVolumeControlView];
+	
 	// Set up the video output thread.
 	cdsVideoOutput = [[CocoaDSDisplayVideo alloc] init];
 	[cdsVideoOutput setDelegate:view];

desmume/src/cocoa/userinterface/EmuControllerDelegate.h

@@ -17,10 +17,12 @@
 
 #import <Cocoa/Cocoa.h>
 #include <libkern/OSAtomic.h>
+#import "../cocoa_input.h"
 
 @class InputManager;
 @class CocoaDSRom;
 @class CocoaDSFirmware;
+@class CocoaDSController;
 @class CocoaDSOutput;
 @class CocoaDSSpeaker;
 @class CocoaDSCheatManager;
@@ -28,7 +30,7 @@
 @class DisplayWindowController;
 class AudioSampleBlockGenerator;
 
-@interface EmuControllerDelegate : NSObject <NSUserInterfaceValidations>
+@interface EmuControllerDelegate : NSObject <NSUserInterfaceValidations, CocoaDSControllerDelegate>
 {
 	InputManager *inputManager;
 	
@@ -60,6 +62,7 @@ class AudioSampleBlockGenerator;
 	BOOL isRomLoading;
 	NSString *statusText;
 	float currentVolumeValue;
+	NSImage *currentMicStatusIcon;
 	NSImage *currentVolumeIcon;
 	BOOL isShowingSaveStateDialog;
 	BOOL isShowingFileMigrationDialog;
@@ -72,9 +75,20 @@ class AudioSampleBlockGenerator;
 	NSInteger frameJumpToFrame;
 	
 	CGFloat lastSetSpeedScalar;
+	uint32_t hwMicNumberIdleFrames;
+	uint32_t hwMicNumberClippedFrames;
+	BOOL isSoftwareMicActive;
+	BOOL isHardwareMicIdle;
+	BOOL isHardwareMicInClip;
+	float currentMicGainValue;
 	BOOL isSoundMuted;
 	float lastSetVolumeValue;
 	
+	NSImage *iconMicDisabled;
+	NSImage *iconMicIdle;
+	NSImage *iconMicActive;
+	NSImage *iconMicInClip;
+	NSImage *iconMicManualOverride;
 	NSImage *iconVolumeFull;
 	NSImage *iconVolumeTwoThird;
 	NSImage *iconVolumeOneThird;
@@ -127,7 +141,13 @@ class AudioSampleBlockGenerator;
 @property (assign) BOOL isWorking;
 @property (assign) BOOL isRomLoading;
 @property (assign) NSString *statusText;
+@property (assign) BOOL isSoftwareMicActive;
+@property (assign) BOOL isHardwareMicMuted;
+@property (assign) BOOL isHardwareMicIdle;
+@property (assign) BOOL isHardwareMicInClip;
+@property (assign) float currentMicGainValue;
 @property (assign) float currentVolumeValue;
+@property (retain) NSImage *currentMicStatusIcon;
 @property (retain) NSImage *currentVolumeIcon;
 @property (assign) BOOL isShowingSaveStateDialog;
 @property (assign) BOOL isShowingFileMigrationDialog;
@@ -184,6 +204,7 @@ class AudioSampleBlockGenerator;
 - (IBAction) changeCoreSpeed:(id)sender;
 - (IBAction) changeCoreEmuFlags:(id)sender;
 - (IBAction) changeFirmwareSettings:(id)sender;
+- (IBAction) changeHardwareMicGain:(id)sender;
 - (IBAction) changeVolume:(id)sender;
 - (IBAction) changeAudioEngine:(id)sender;
 - (IBAction) changeSpuAdvancedLogic:(id)sender;
@@ -239,6 +260,9 @@ class AudioSampleBlockGenerator;
 - (void) executeCore;
 - (void) pauseCore;
 - (void) restoreCoreState;
+- (void) updateMicStatusIcon;
+- (BOOL) isMicSampleIdle:(uint8_t)sampleValue;
+- (BOOL) isMicSampleCausingClip:(uint8_t)sampleValue;
 
 - (AudioSampleBlockGenerator *) selectedAudioFileGenerator;
 - (void) setSelectedAudioFileGenerator:(AudioSampleBlockGenerator *)theGenerator;

desmume/src/cocoa/userinterface/EmuControllerDelegate.mm

@@ -71,7 +71,13 @@
 @synthesize isWorking;
 @synthesize isRomLoading;
 @synthesize statusText;
+@synthesize isSoftwareMicActive;
+@dynamic isHardwareMicMuted;
+@synthesize isHardwareMicIdle;
+@synthesize isHardwareMicInClip;
+@synthesize currentMicGainValue;
 @dynamic currentVolumeValue;
+@synthesize currentMicStatusIcon;
 @synthesize currentVolumeIcon;
 
 @synthesize isShowingSaveStateDialog;
@@ -121,6 +127,12 @@
 	frameJumpToFrame = 0;
 	
 	lastSetSpeedScalar = 1.0f;
+	hwMicNumberIdleFrames = 0;
+	hwMicNumberClippedFrames = 0;
+	isSoftwareMicActive = NO;
+	isHardwareMicIdle = YES;
+	isHardwareMicInClip = NO;
+	currentMicGainValue = 0.5f;
 	isSoundMuted = NO;
 	lastSetVolumeValue = MAX_VOLUME;
 	
@@ -128,6 +140,12 @@
 	iconPause = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_Pause_420x420" ofType:@"png"]];
 	iconSpeedNormal = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_Speed1x_420x420" ofType:@"png"]];
 	iconSpeedDouble = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_Speed2x_420x420" ofType:@"png"]];
+	
+	iconMicDisabled = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneBlack_256x256" ofType:@"png"]];
+	iconMicIdle = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneDarkGreen_256x256" ofType:@"png"]];
+	iconMicActive = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneGreen_256x256" ofType:@"png"]];
+	iconMicInClip = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneRed_256x256" ofType:@"png"]];
+	iconMicManualOverride = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneGray_256x256" ofType:@"png"]];
 	iconVolumeFull = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_VolumeFull_16x16" ofType:@"png"]];
 	iconVolumeTwoThird = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_VolumeTwoThird_16x16" ofType:@"png"]];
 	iconVolumeOneThird = [[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_VolumeOneThird_16x16" ofType:@"png"]];
@@ -137,6 +155,7 @@
 	isRomLoading = NO;
 	statusText = NSSTRING_STATUS_READY;
 	currentVolumeValue = MAX_VOLUME;
+	currentMicStatusIcon = [iconMicDisabled retain];
 	currentVolumeIcon = [iconVolumeFull retain];
 	
 	[[NSNotificationCenter defaultCenter] addObserver:self
@@ -155,6 +174,12 @@
 	[iconPause release];
 	[iconSpeedNormal release];
 	[iconSpeedDouble release];
+	
+	[iconMicDisabled release];
+	[iconMicIdle release];
+	[iconMicActive release];
+	[iconMicInClip release];
+	[iconMicManualOverride release];
 	[iconVolumeFull release];
 	[iconVolumeTwoThird release];
 	[iconVolumeOneThird release];
@@ -267,6 +292,19 @@
 	return [cdsCore speedScalar];
 }
 
+- (void) setIsHardwareMicMuted:(BOOL)theState
+{
+	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
+	[[cdsCore cdsController] setHardwareMicMute:theState];
+	[self updateMicStatusIcon];
+}
+
+- (BOOL) isHardwareMicMuted
+{
+	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
+	return [[cdsCore cdsController] hardwareMicMute];
+}
+
 - (void) setCurrentVolumeValue:(float)vol
 {
 	currentVolumeValue = vol;
@@ -807,11 +845,16 @@
 	[[cdsCore cdsFirmware] update];
 }
 
+- (IBAction) changeHardwareMicGain:(id)sender
+{
+	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
+	[[cdsCore cdsController] setHardwareMicGain:[self currentMicGainValue]];
+}
+
 - (IBAction) changeVolume:(id)sender
 {
 	const float vol = [self currentVolumeValue];
 	[self setCurrentVolumeValue:vol];
-	[self setStatusText:[NSString stringWithFormat:NSSTRING_STATUS_VOLUME, vol]];
 	[CocoaDSUtil messageSendOneWayWithFloat:[cdsSpeaker receivePort] msgID:MESSAGE_SET_VOLUME floatValue:vol];
 }
 
@@ -1008,15 +1051,18 @@
 	const BOOL theState = (cmdAttr.input.state == INPUT_ATTRIBUTE_STATE_ON) ? YES : NO;
 	
 	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
+	CocoaDSController *cdsController = [cdsCore cdsController];
 	
 	const NSInteger micMode = cmdAttr.intValue[1];
-	[[cdsCore cdsController] setMicrophoneState:theState inputMode:micMode];
+	[cdsController setSoftwareMicState:theState];
+	[cdsController setSoftwareMicMode:micMode];
+	//[self updateMicStatusIcon];
 	
 	const float sineWaveFrequency = cmdAttr.floatValue[0];
-	[[cdsCore cdsController] setSineWaveGeneratorFrequency:sineWaveFrequency];
+	[cdsController setSineWaveGeneratorFrequency:sineWaveFrequency];
 	
 	NSString *audioFilePath = cmdAttr.object[0];
-	[[cdsCore cdsController] setSelectedAudioFileGenerator:[inputManager audioFileGeneratorFromFilePath:audioFilePath]];
+	[cdsController setSelectedAudioFileGenerator:[inputManager audioFileGeneratorFromFilePath:audioFilePath]];
 }
 
 - (void) cmdUpdateDSPaddle:(NSValue *)cmdAttrValue
@@ -1865,18 +1911,93 @@
 {
 	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
 	[cdsCore setCoreState:CORESTATE_EXECUTE];
+	[self updateMicStatusIcon];
 }
 
 - (void) pauseCore
 {
 	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
 	[cdsCore setCoreState:CORESTATE_PAUSE];
+	[self updateMicStatusIcon];
 }
 
 - (void) restoreCoreState
 {
 	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
 	[cdsCore restoreCoreState];
+	[self updateMicStatusIcon];
+}
+
+- (void) updateMicStatusIcon
+{
+	NSImage *micIcon = iconMicDisabled;
+	CocoaDSCore *cdsCore = (CocoaDSCore *)[cdsCoreController content];
+	CocoaDSController *cdsController = [cdsCore cdsController];
+	
+	if ([self isSoftwareMicActive])
+	{
+		micIcon = iconMicManualOverride;
+	}
+	else
+	{
+		if ([cdsController isHardwareMicAvailable])
+		{
+			if ([self isHardwareMicInClip])
+			{
+				micIcon = iconMicInClip;
+			}
+			else if ([self isHardwareMicIdle])
+			{
+				micIcon = iconMicIdle;
+			}
+			else
+			{
+				micIcon = iconMicActive;
+			}
+		}
+	}
+	
+	[self performSelectorOnMainThread:@selector(setCurrentMicStatusIcon:) withObject:micIcon waitUntilDone:NO];
+}
+
+- (BOOL) isMicSampleIdle:(uint8_t)sampleValue
+{
+	if (sampleValue == MIC_NULL_SAMPLE_VALUE)
+	{
+		if (hwMicNumberIdleFrames < MIC_NULL_FRAME_MAX_COUNT)
+		{
+			hwMicNumberIdleFrames++;
+		}
+	}
+	else
+	{
+		if (hwMicNumberIdleFrames > 0)
+		{
+			hwMicNumberIdleFrames--;
+		}
+	}
+	
+	return (hwMicNumberIdleFrames >= MIC_NULL_FRAME_THRESHOLD);
+}
+
+- (BOOL) isMicSampleCausingClip:(uint8_t)sampleValue
+{
+	if (sampleValue == 0 || sampleValue == 127)
+	{
+		if (hwMicNumberClippedFrames < MIC_CLIP_FRAME_MAX_COUNT)
+		{
+			hwMicNumberClippedFrames++;
+		}
+	}
+	else
+	{
+		if (hwMicNumberClippedFrames > 0)
+		{
+			hwMicNumberClippedFrames--;
+		}
+	}
+	
+	return (hwMicNumberClippedFrames >= MIC_CLIP_FRAME_THRESHOLD);
 }
 
 - (AudioSampleBlockGenerator *) selectedAudioFileGenerator
@@ -2353,4 +2474,56 @@
 	[[cdsCore cdsGPU] setRender3DDepthComparisonThreshold:[(NSNumber *)[aNotification object] integerValue]];
 }
 
+#pragma mark CocoaDSControllerDelegate Protocol
+
+- (uint8_t) doMicSamplesReadFromController:(CocoaDSController *)cdsController inSample:(uint8_t)sampleValue
+{
+	BOOL needsUpdate = NO;
+	const BOOL controllerSoftwareMicState = [cdsController softwareMicState];
+	const BOOL isEmuSoftwareMicActive = [self isSoftwareMicActive];
+	
+	// Check if the software mic state transitioned.
+	if (( controllerSoftwareMicState && !isEmuSoftwareMicActive) ||
+		(!controllerSoftwareMicState &&  isEmuSoftwareMicActive))
+	{
+		[self setIsSoftwareMicActive:controllerSoftwareMicState];
+		needsUpdate = YES;
+	}
+	
+	// If we're reading the hardware mic, then check the sample value and make
+	// sure to check the mic's level state.
+	if (!controllerSoftwareMicState)
+	{
+		const BOOL isSampleIdle = [self isMicSampleIdle:sampleValue];
+		const BOOL isIdle = [self isHardwareMicIdle];
+		if (( isSampleIdle && !isIdle) ||
+			(!isSampleIdle &&  isIdle))
+		{
+			[self setIsHardwareMicIdle:isSampleIdle];
+			needsUpdate = YES;
+		}
+		
+		const BOOL isCausingClip = [self isMicSampleCausingClip:sampleValue];
+		const BOOL isInClip = [self isHardwareMicInClip];
+		if (( isCausingClip && !isInClip) ||
+			(!isCausingClip &&  isInClip))
+		{
+			[self setIsHardwareMicInClip:isCausingClip];
+			needsUpdate = YES;
+		}
+	}
+	
+	if (needsUpdate)
+	{
+		[self updateMicStatusIcon];
+	}
+	
+	return sampleValue;
+}
+
+- (void) doMicHardwareGainChangedFromController:(CocoaDSController *)cdsController gain:(float)gainValue
+{
+	[self setCurrentMicGainValue:gainValue];
+}
+
 @end

desmume/src/cocoa/userinterface/InputManager.h

@@ -30,8 +30,7 @@
 #include <string>
 #include <vector>
 
-#include "mic_ext.h"
+#include "../audiosamplegenerator.h"
-#undef BOOL
 
 #define INPUT_HANDLER_STRING_LENGTH 256
 

desmume/src/cocoa/userinterface/InputManager.mm

@@ -1027,7 +1027,7 @@ static std::unordered_map<unsigned short, std::string> keyboardNameTable; // Key
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_DSButtonR_420x420" ofType:@"png"]] autorelease],			@"R",
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_DSButtonStart_420x420" ofType:@"png"]] autorelease],		@"Start",
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_DSButtonSelect_420x420" ofType:@"png"]] autorelease],		@"Select",
-				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_Microphone_420x420" ofType:@"png"]] autorelease],			@"Microphone",
+				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_MicrophoneBlueGlow_256x256" ofType:@"png"]] autorelease],			@"Microphone",
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_GuitarGrip_Button_Green_512x512" ofType:@"png"]] autorelease],	@"Guitar Grip: Green",
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_GuitarGrip_Button_Red_512x512" ofType:@"png"]] autorelease],		@"Guitar Grip: Red",
 				   [[[NSImage alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Icon_GuitarGrip_Button_Yellow_512x512" ofType:@"png"]] autorelease],	@"Guitar Grip: Yellow",
@@ -1851,11 +1851,11 @@ static std::unordered_map<unsigned short, std::string> keyboardNameTable; // Key
 	outputFormat.mSampleRate = MIC_SAMPLE_RATE;
 	outputFormat.mFormatID = kAudioFormatLinearPCM;
 	outputFormat.mFormatFlags = kAudioFormatFlagIsPacked;
-	outputFormat.mBytesPerPacket = 1;
+	outputFormat.mBytesPerPacket = MIC_SAMPLE_SIZE;
 	outputFormat.mFramesPerPacket = 1;
-	outputFormat.mBytesPerFrame = 1;
+	outputFormat.mBytesPerFrame = MIC_SAMPLE_SIZE;
-	outputFormat.mChannelsPerFrame = 1;
+	outputFormat.mChannelsPerFrame = MIC_NUMBER_CHANNELS;
-	outputFormat.mBitsPerChannel = 8;
+	outputFormat.mBitsPerChannel = MIC_SAMPLE_RESOLUTION;
 	
 	error = ExtAudioFileSetProperty(audioFile, kExtAudioFileProperty_ClientDataFormat, sizeof(outputFormat), &outputFormat);
 	if (error != noErr)
@@ -1886,7 +1886,7 @@ static std::unordered_map<unsigned short, std::string> keyboardNameTable; // Key
 	AudioSampleBlockGenerator &theGenerator = audioFileGenerators[filePathStr];
 	const size_t readSize = 32 * 1024;
 	const size_t bufferSize = (size_t)((double)(outputFormat.mSampleRate / inputFormat.mSampleRate) * (double)fileLengthFrames) + readSize;
-	u8 *buffer = theGenerator.allocate(bufferSize);
+	uint8_t *buffer = theGenerator.allocate(bufferSize);
 	
 	// Read the audio file and fill the generator's buffer.
 	AudioBufferList convertedData;

desmume/src/cocoa/userinterface/InputProfileController.mm

@@ -113,7 +113,7 @@
 	{
 		NSFont *newFont = [[NSFontManager sharedFontManager] fontWithFamily:[[outCell font] familyName]
 																	 traits:([item isKindOfClass:[NSArray class]]) ? NSBoldFontMask : 0
-																	 weight:0
+																	 weight:5
 																	   size:[[outCell font] pointSize]];
 		[outCell setFont:newFont];
 	}
@@ -121,7 +121,7 @@
 	{
 		NSFont *newFont = [[NSFontManager sharedFontManager] fontWithFamily:[[outCell font] familyName]
 																	 traits:([item isKindOfClass:[NSArray class]]) ? NSBoldFontMask : 0
-																	 weight:0
+																	 weight:5
 																	   size:[[outCell font] pointSize]];
 		[outCell setFont:newFont];
 	}

desmume/src/cocoa/userinterface/appDelegate.mm

@@ -181,6 +181,7 @@
 	
 	// Init the DS controller.
 	CocoaDSController *newController = [[[CocoaDSController alloc] init] autorelease];
+	[newController setDelegate:emuControl];
 	[newCore setCdsController:newController];
 	
 	// Init the DS speakers.