Merge changes I00aefb70,I7c722048 am: eb61e8bf8d am: 7aadfdf690 (6e166405) · Commits · e / os / android_packages_modules_Bluetooth

android/app/jni/com_android_bluetooth_vc.cpp

+250 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,10 @@ namespace android {
		static jmethodID method_onConnectionStateChanged;
		static jmethodID method_onVolumeStateChanged;
		static jmethodID method_onGroupVolumeStateChanged;
		static jmethodID method_onDeviceAvailable;
		static jmethodID method_onExtAudioOutVolumeOffsetChanged;
		static jmethodID method_onExtAudioOutLocationChanged;
		static jmethodID method_onExtAudioOutDescriptionChanged;

		static VolumeControlInterface* sVolumeControlInterface = nullptr;
		static std::shared_timed_mutex interface_mutex;
		@@ -98,6 +102,100 @@ class VolumeControlCallbacksImpl : public VolumeControlCallbacks {
		method_onGroupVolumeStateChanged, (jint)volume,
		(jboolean)mute, group_id, (jboolean)isAutonomous);
		}

		void OnDeviceAvailable(const RawAddress& bd_addr,
		uint8_t num_offsets) override {
		LOG(INFO) << __func__;

		std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
		CallbackEnv sCallbackEnv(__func__);
		if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

		ScopedLocalRef<jbyteArray> addr(
		sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
		if (!addr.get()) {
		LOG(ERROR) << "Failed to new jbyteArray bd addr for onDeviceAvailable";
		return;
		}

		sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
		(jbyte*)&bd_addr);
		sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onDeviceAvailable,
		(jint)num_offsets, addr.get());
		}

		void OnExtAudioOutVolumeOffsetChanged(const RawAddress& bd_addr,
		uint8_t ext_output_id,
		int16_t offset) override {
		LOG(INFO) << __func__;

		std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
		CallbackEnv sCallbackEnv(__func__);
		if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

		ScopedLocalRef<jbyteArray> addr(
		sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
		if (!addr.get()) {
		LOG(ERROR) << "Failed to new jbyteArray bd addr for "
		"OnExtAudioOutVolumeOffsetChanged";
		return;
		}

		sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
		(jbyte*)&bd_addr);
		sCallbackEnv->CallVoidMethod(mCallbacksObj,
		method_onExtAudioOutVolumeOffsetChanged,
		(jint)ext_output_id, (jint)offset, addr.get());
		}

		void OnExtAudioOutLocationChanged(const RawAddress& bd_addr,
		uint8_t ext_output_id,
		uint32_t location) override {
		LOG(INFO) << __func__;

		std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
		CallbackEnv sCallbackEnv(__func__);
		if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

		ScopedLocalRef<jbyteArray> addr(
		sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
		if (!addr.get()) {
		LOG(ERROR) << "Failed to new jbyteArray bd addr for "
		"OnExtAudioOutLocationChanged";
		return;
		}

		sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
		(jbyte*)&bd_addr);
		sCallbackEnv->CallVoidMethod(
		mCallbacksObj, method_onExtAudioOutLocationChanged, (jint)ext_output_id,
		(jint)location, addr.get());
		}

		void OnExtAudioOutDescriptionChanged(const RawAddress& bd_addr,
		uint8_t ext_output_id,
		std::string descr) override {
		LOG(INFO) << __func__;

		std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
		CallbackEnv sCallbackEnv(__func__);
		if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

		ScopedLocalRef<jbyteArray> addr(
		sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
		if (!addr.get()) {
		LOG(ERROR) << "Failed to new jbyteArray bd addr for "
		"OnExtAudioOutDescriptionChanged";
		return;
		}

		sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
		(jbyte*)&bd_addr);
		jstring description = sCallbackEnv->NewStringUTF(descr.c_str());
		sCallbackEnv->CallVoidMethod(mCallbacksObj,
		method_onExtAudioOutDescriptionChanged,
		(jint)ext_output_id, description, addr.get());
		}
		};

		static VolumeControlCallbacksImpl sVolumeControlCallbacks;
		@@ -112,6 +210,18 @@ static void classInitNative(JNIEnv* env, jclass clazz) {
		method_onGroupVolumeStateChanged =
		env->GetMethodID(clazz, "onGroupVolumeStateChanged", "(IZIZ)V");

		method_onDeviceAvailable =
		env->GetMethodID(clazz, "onDeviceAvailable", "(I[B)V");

		method_onExtAudioOutVolumeOffsetChanged =
		env->GetMethodID(clazz, "onExtAudioOutVolumeOffsetChanged", "(II[B)V");

		method_onExtAudioOutLocationChanged =
		env->GetMethodID(clazz, "onExtAudioOutLocationChanged", "(II[B)V");

		method_onExtAudioOutDescriptionChanged = env->GetMethodID(
		clazz, "onExtAudioOutDescriptionChanged", "(ILjava/lang/String;[B)V");

		LOG(INFO) << __func__ << ": succeeds";
		}

		@@ -249,6 +359,134 @@ static void setVolumeGroupNative(JNIEnv* env, jobject object, jint group_id,
		sVolumeControlInterface->SetVolume(group_id, volume);
		}

		/* Native methods for exterbak audio outputs */
		static jboolean getExtAudioOutVolumeOffsetNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->GetExtAudioOutVolumeOffset(*tmpraw, ext_output_id);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static jboolean setExtAudioOutVolumeOffsetNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id,
		jint offset) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->SetExtAudioOutVolumeOffset(*tmpraw, ext_output_id,
		offset);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static jboolean getExtAudioOutLocationNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->GetExtAudioOutLocation(*tmpraw, ext_output_id);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static jboolean setExtAudioOutLocationNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id,
		jint location) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->SetExtAudioOutLocation(*tmpraw, ext_output_id,
		location);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static jboolean getExtAudioOutDescriptionNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->GetExtAudioOutDescription(*tmpraw, ext_output_id);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static jboolean setExtAudioOutDescriptionNative(JNIEnv* env, jobject object,
		jbyteArray address,
		jint ext_output_id,
		jstring descr) {
		LOG(INFO) << __func__;
		std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
		if (!sVolumeControlInterface) return JNI_FALSE;

		jbyte* addr = env->GetByteArrayElements(address, nullptr);
		if (!addr) {
		jniThrowIOException(env, EINVAL);
		return JNI_FALSE;
		}

		std::string description;
		if (descr != nullptr) {
		const char* value = env->GetStringUTFChars(descr, nullptr);
		description = std::string(value);
		env->ReleaseStringUTFChars(descr, value);
		}

		RawAddress* tmpraw = (RawAddress*)addr;
		sVolumeControlInterface->SetExtAudioOutDescription(*tmpraw, ext_output_id,
		description);
		env->ReleaseByteArrayElements(address, addr, 0);
		return JNI_TRUE;
		}

		static JNINativeMethod sMethods[] = {
		{"classInitNative", "()V", (void*)classInitNative},
		{"initNative", "()V", (void*)initNative},
		@@ -258,6 +496,18 @@ static JNINativeMethod sMethods[] = {
		(void*)disconnectVolumeControlNative},
		{"setVolumeNative", "([BI)V", (void*)setVolumeNative},
		{"setVolumeGroupNative", "(II)V", (void*)setVolumeGroupNative},
		{"getExtAudioOutVolumeOffsetNative", "([BI)Z",
		(void*)getExtAudioOutVolumeOffsetNative},
		{"setExtAudioOutVolumeOffsetNative", "([BII)Z",
		(void*)setExtAudioOutVolumeOffsetNative},
		{"getExtAudioOutLocationNative", "([BI)Z",
		(void*)getExtAudioOutLocationNative},
		{"setExtAudioOutLocationNative", "([BII)Z",
		(void*)setExtAudioOutLocationNative},
		{"getExtAudioOutDescriptionNative", "([BI)Z",
		(void*)getExtAudioOutDescriptionNative},
		{"setExtAudioOutDescriptionNative", "([BILjava/lang/String;)Z",
		(void*)setExtAudioOutDescriptionNative},
		};

		int register_com_android_bluetooth_vc(JNIEnv* env) {

android/app/src/com/android/bluetooth/vc/VolumeControlNativeInterface.java

+146 −0

Original line number	Diff line number	Diff line
		@@ -117,6 +117,84 @@ public class VolumeControlNativeInterface {
		setVolumeGroupNative(groupId, volume);
		}

		/**
		* Gets external audio output volume offset from a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean getExtAudioOutVolumeOffset(BluetoothDevice device, int externalOutputId) {
		return getExtAudioOutVolumeOffsetNative(getByteAddress(device), externalOutputId);
		}

		/**
		* Sets external audio output volume offset to a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @param offset requested offset
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean setExtAudioOutVolumeOffset(BluetoothDevice device, int externalOutputId,
		int offset) {
		return setExtAudioOutVolumeOffsetNative(getByteAddress(device), externalOutputId, offset);
		}

		/**
		* Gets external audio output location from a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean getExtAudioOutLocation(BluetoothDevice device, int externalOutputId) {
		return getExtAudioOutLocationNative(getByteAddress(device), externalOutputId);
		}

		/**
		* Sets external audio volume offset to a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @param location requested location
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean setExtAudioOutLocation(BluetoothDevice device, int externalOutputId,
		int location) {
		return setExtAudioOutLocationNative(getByteAddress(device), externalOutputId, location);
		}

		/**
		* Gets external audio output description from a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean getExtAudioOutDescription(BluetoothDevice device, int externalOutputId) {
		return getExtAudioOutDescriptionNative(getByteAddress(device), externalOutputId);
		}

		/**
		* Sets external audio volume description to a remote device.
		*
		* @param device the remote device
		* @param externalOutputId external audio output id
		* @param descr requested description
		* @return true on success, otherwise false.
		*/
		@VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
		public boolean setExtAudioOutDescription(BluetoothDevice device, int externalOutputId,
		String descr) {
		return setExtAudioOutDescriptionNative(getByteAddress(device), externalOutputId, descr);
		}

		private BluetoothDevice getDevice(byte[] address) {
		return mAdapter.getRemoteDevice(address);
		}
		@@ -188,6 +266,65 @@ public class VolumeControlNativeInterface {
		sendMessageToService(event);
		}

		private void onDeviceAvailable(int numOfExternalOutputs,
		byte[] address) {
		VolumeControlStackEvent event =
		new VolumeControlStackEvent(
		VolumeControlStackEvent.EVENT_TYPE_DEVICE_AVAILABLE);
		event.device = getDevice(address);
		event.valueInt1 = numOfExternalOutputs;

		if (DBG) {
		Log.d(TAG, "onDeviceAvailable: " + event);
		}
		sendMessageToService(event);
		}

		private void onExtAudioOutVolumeOffsetChanged(int externalOutputId, int offset,
		byte[] address) {
		VolumeControlStackEvent event =
		new VolumeControlStackEvent(
		VolumeControlStackEvent.EVENT_TYPE_EXT_AUDIO_OUT_VOL_OFFSET_CHANGED);
		event.device = getDevice(address);
		event.valueInt1 = externalOutputId;
		event.valueInt2 = offset;

		if (DBG) {
		Log.d(TAG, "onExtAudioOutVolumeOffsetChanged: " + event);
		}
		sendMessageToService(event);
		}

		private void onExtAudioOutLocationChanged(int externalOutputId, int location,
		byte[] address) {
		VolumeControlStackEvent event =
		new VolumeControlStackEvent(
		VolumeControlStackEvent.EVENT_TYPE_EXT_AUDIO_OUT_LOCATION_CHANGED);
		event.device = getDevice(address);
		event.valueInt1 = externalOutputId;
		event.valueInt2 = location;

		if (DBG) {
		Log.d(TAG, "onExtAudioOutLocationChanged: " + event);
		}
		sendMessageToService(event);
		}

		private void onExtAudioOutDescriptionChanged(int externalOutputId, String descr,
		byte[] address) {
		VolumeControlStackEvent event =
		new VolumeControlStackEvent(
		VolumeControlStackEvent.EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED);
		event.device = getDevice(address);
		event.valueInt1 = externalOutputId;
		event.valueString1 = descr;

		if (DBG) {
		Log.d(TAG, "onExtAudioOutLocationChanged: " + event);
		}
		sendMessageToService(event);
		}

		// Native methods that call into the JNI interface
		private static native void classInitNative();
		private native void initNative();
		@@ -196,4 +333,13 @@ public class VolumeControlNativeInterface {
		private native boolean disconnectVolumeControlNative(byte[] address);
		private native void setVolumeNative(byte[] address, int volume);
		private native void setVolumeGroupNative(int groupId, int volume);
		private native boolean getExtAudioOutVolumeOffsetNative(byte[] address, int externalOutputId);
		private native boolean setExtAudioOutVolumeOffsetNative(byte[] address, int externalOutputId,
		int offset);
		private native boolean getExtAudioOutLocationNative(byte[] address, int externalOutputId);
		private native boolean setExtAudioOutLocationNative(byte[] address, int externalOutputId,
		int location);
		private native boolean getExtAudioOutDescriptionNative(byte[] address, int externalOutputId);
		private native boolean setExtAudioOutDescriptionNative(byte[] address, int externalOutputId,
		String descr);
		}

android/app/src/com/android/bluetooth/vc/VolumeControlService.java

+301 −7

File changed.

Preview size limit exceeded, changes collapsed.

android/app/src/com/android/bluetooth/vc/VolumeControlStackEvent.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,10 @@ public class VolumeControlStackEvent {
		private static final int EVENT_TYPE_NONE = 0;
		public static final int EVENT_TYPE_CONNECTION_STATE_CHANGED = 1;
		public static final int EVENT_TYPE_VOLUME_STATE_CHANGED = 2;
		public static final int EVENT_TYPE_DEVICE_AVAILABLE = 3;
		public static final int EVENT_TYPE_EXT_AUDIO_OUT_VOL_OFFSET_CHANGED = 4;
		public static final int EVENT_TYPE_EXT_AUDIO_OUT_LOCATION_CHANGED = 5;
		public static final int EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED = 6;

		// Do not modify without updating the HAL bt_vc_aid.h files.
		// Match up with enum class ConnectionState of bt_vc_aid.h.
		@@ -38,6 +42,8 @@ public class VolumeControlStackEvent {
		public int valueInt2;
		public boolean valueBool1;
		public boolean valueBool2;
		public String valueString1;

		/* Might need more for other callbacks*/

		VolumeControlStackEvent(int type) {
		@@ -54,6 +60,7 @@ public class VolumeControlStackEvent {
		result.append(", valueInt2:" + eventTypeValue2ToString(type, valueInt2));
		result.append(", valueBool1:" + eventTypeValueBool1ToString(type, valueBool1));
		result.append(", valueBool2:" + eventTypeValueBool2ToString(type, valueBool2));
		result.append(", valueString1:" + eventTypeString1ToString(type, valueString1));
		result.append("}");
		return result.toString();
		}
		@@ -66,6 +73,14 @@ public class VolumeControlStackEvent {
		return "EVENT_TYPE_CONNECTION_STATE_CHANGED";
		case EVENT_TYPE_VOLUME_STATE_CHANGED:
		return "EVENT_TYPE_VOLUME_STATE_CHANGED";
		case EVENT_TYPE_DEVICE_AVAILABLE:
		return "EVENT_TYPE_DEVICE_AVAILABLE";
		case EVENT_TYPE_EXT_AUDIO_OUT_VOL_OFFSET_CHANGED:
		return "EVENT_TYPE_EXT_AUDIO_OUT_VOL_OFFSET_CHANGED";
		case EVENT_TYPE_EXT_AUDIO_OUT_LOCATION_CHANGED:
		return "EVENT_TYPE_EXT_AUDIO_OUT_LOCATION_CHANGED";
		case EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED:
		return "EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED";
		default:
		return "EVENT_TYPE_UNKNOWN:" + type;
		}
		@@ -88,6 +103,12 @@ public class VolumeControlStackEvent {
		}
		case EVENT_TYPE_VOLUME_STATE_CHANGED:
		return "{group_id:" + value + "}";
		case EVENT_TYPE_DEVICE_AVAILABLE:
		return "{num_ext_outputs:" + value + "}";
		case EVENT_TYPE_EXT_AUDIO_OUT_VOL_OFFSET_CHANGED:
		case EVENT_TYPE_EXT_AUDIO_OUT_LOCATION_CHANGED:
		case EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED:
		return "{ext output id:" + value + "}";
		default:
		break;
		}
		@@ -136,4 +157,14 @@ public class VolumeControlStackEvent {
		}
		return Boolean.toString(value);
		}

		private static String eventTypeString1ToString(int type, String value) {
		switch (type) {
		case EVENT_TYPE_EXT_AUDIO_OUT_DESCRIPTION_CHANGED:
		return "{descrition:" + value + "}";
		default:
		break;
		}
		return value;
		}
		}

system/binder/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ filegroup {
		"android/bluetooth/IBluetoothHapClient.aidl",
		"android/bluetooth/IBluetoothHapClientCallback.aidl",
		"android/bluetooth/IBluetoothVolumeControl.aidl",
		"android/bluetooth/IBluetoothVolumeControlCallback.aidl",
		"android/bluetooth/IBluetoothHidHost.aidl",
		"android/bluetooth/IBluetoothLeAudio.aidl",
		"android/bluetooth/IBluetoothLeBroadcastCallback.aidl",