GBA Config: Add audio buffers and FPS target

src/gba/gba-config.c

@@ -41,6 +41,34 @@ static bool _lookupIntValue(const struct Configuration* config, const char* key,
 	return true;
 }
 
+static bool _lookupUIntValue(const struct Configuration* config, const char* key, const char* port, unsigned* out) {
+	const char* charValue = _lookupValue(config, key, port);
+	if (!charValue) {
+		return false;
+	}
+	char* end;
+	unsigned long value = strtoul(charValue, &end, 10);
+	if (*end) {
+		return false;
+	}
+	*out = value;
+	return true;
+}
+
+static bool _lookupFloatValue(const struct Configuration* config, const char* key, const char* port, float* out) {
+	const char* charValue = _lookupValue(config, key, port);
+	if (!charValue) {
+		return false;
+	}
+	char* end;
+	float value = strtof(charValue, &end);
+	if (*end) {
+		return false;
+	}
+	*out = value;
+	return true;
+}
+
 bool GBAConfigLoad(struct Configuration* config) {
 	return ConfigurationRead(config, BINARY_NAME ".ini");
 }
@@ -51,6 +79,11 @@ void GBAConfigMapGeneralOpts(const struct Configuration* config, const char* por
 	_lookupIntValue(config, "frameskip", port, &opts->frameskip);
 	_lookupIntValue(config, "rewindBufferCapacity", port, &opts->rewindBufferCapacity);
 	_lookupIntValue(config, "rewindBufferInterval", port, &opts->rewindBufferInterval);
+	_lookupFloatValue(config, "fpsTarget", port, &opts->fpsTarget);
+	unsigned audioBuffers;
+	if (_lookupUIntValue(config, "audioBuffers", port, &audioBuffers)) {
+		opts->audioBuffers = audioBuffers;
+	}
 }
 
 void GBAConfigMapGraphicsOpts(const struct Configuration* config, const char* port, struct GBAOptions* opts) {

src/gba/gba-config.h

@@ -11,6 +11,8 @@ struct GBAOptions {
 	int frameskip;
 	int rewindBufferCapacity;
 	int rewindBufferInterval;
+	float fpsTarget;
+	size_t audioBuffers;
 
 	int fullscreen;
 	int width;

src/gba/gba-thread.c

@@ -226,6 +226,14 @@ void GBAMapOptionsToContext(struct GBAOptions* opts, struct GBAThread* threadCon
 	threadContext->logLevel = opts->logLevel;
 	threadContext->rewindBufferCapacity = opts->rewindBufferCapacity;
 	threadContext->rewindBufferInterval = opts->rewindBufferInterval;
+
+	if (opts->fpsTarget) {
+		threadContext->fpsTarget = opts->fpsTarget;
+	}
+
+	if (opts->audioBuffers) {
+		threadContext->audioBuffers = opts->audioBuffers;
+	}
 }
 
 void GBAMapArgumentsToContext(struct GBAArguments* args, struct GBAThread* threadContext) {