Merge "Handles volume for device route and bt routes." into rvc-dev (73de009a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/BluetoothRouteProvider.java

+41 −9

Original line number	Diff line number	Diff line
		@@ -28,10 +28,12 @@ import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.media.AudioManager;
		import android.media.AudioSystem;
		import android.media.MediaRoute2Info;
		import android.text.TextUtils;
		import android.util.Slog;
		import android.util.SparseBooleanArray;
		import android.util.SparseIntArray;

		import com.android.internal.R;

		@@ -55,6 +57,9 @@ class BluetoothRouteProvider {
		@SuppressWarnings("WeakerAccess") /* synthetic access */
		BluetoothHearingAid mHearingAidProfile;

		// Route type -> volume map
		private final SparseIntArray mVolumeMap = new SparseIntArray();

		private final Context mContext;
		private final BluetoothAdapter mBluetoothAdapter;
		private final BluetoothRoutesUpdatedListener mListener;
		@@ -192,11 +197,30 @@ class BluetoothRouteProvider {
		return routes;
		}

		boolean setSelectedRouteVolume(int volume) {
		if (mSelectedRoute == null) return false;
		/**
		* Updates the volume for {@link AudioManager#getDevicesForStream(int) devices}.
		*
		* @return true if devices can be handled by the provider.
		*/
		public boolean updateVolumeForDevices(int devices, int volume) {
		int routeType;
		if ((devices & (AudioSystem.DEVICE_OUT_HEARING_AID)) != 0) {
		routeType = MediaRoute2Info.TYPE_HEARING_AID;
		} else if ((devices & (AudioManager.DEVICE_OUT_BLUETOOTH_A2DP
		\| AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES
		\| AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)) != 0) {
		routeType = MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		} else {
		return false;
		}
		mVolumeMap.put(routeType, volume);
		if (mSelectedRoute == null \|\| mSelectedRoute.route.getType() != routeType) {
		return true;
		}
		mSelectedRoute.route = new MediaRoute2Info.Builder(mSelectedRoute.route)
		.setVolume(volume)
		.build();
		notifyBluetoothRoutesUpdated();
		return true;
		}

		@@ -222,6 +246,7 @@ class BluetoothRouteProvider {
		R.string.bluetooth_a2dp_audio_route_name).toString())
		.setType(MediaRoute2Info.TYPE_BLUETOOTH_A2DP)
		.setVolumeHandling(MediaRoute2Info.PLAYBACK_VOLUME_VARIABLE)
		.setVolumeMax(mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC))
		.build();
		newBtRoute.connectedProfiles = new SparseBooleanArray();
		return newBtRoute;
		@@ -240,13 +265,10 @@ class BluetoothRouteProvider {
		// Update volume when the connection state is changed.
		MediaRoute2Info.Builder builder = new MediaRoute2Info.Builder(btRoute.route)
		.setConnectionState(state);
		builder.setType(btRoute.connectedProfiles.get(BluetoothProfile.HEARING_AID, false)
		? MediaRoute2Info.TYPE_HEARING_AID : MediaRoute2Info.TYPE_BLUETOOTH_A2DP);
		builder.setType(btRoute.getRouteType());

		if (state == MediaRoute2Info.CONNECTION_STATE_CONNECTED) {
		int maxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
		int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
		builder.setVolumeMax(maxVolume).setVolume(currentVolume);
		builder.setVolume(mVolumeMap.get(btRoute.getRouteType(), 0));
		}
		btRoute.route = builder.build();
		}
		@@ -259,6 +281,15 @@ class BluetoothRouteProvider {
		public BluetoothDevice btDevice;
		public MediaRoute2Info route;
		public SparseBooleanArray connectedProfiles;

		@MediaRoute2Info.Type
		int getRouteType() {
		// Let hearing aid profile have a priority.
		if (connectedProfiles.get(BluetoothProfile.HEARING_AID, false)) {
		return MediaRoute2Info.TYPE_HEARING_AID;
		}
		return MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		}
		}

		// These callbacks run on the main thread.
		@@ -285,13 +316,12 @@ class BluetoothRouteProvider {
		btRoute = createBluetoothRoute(device);
		mBluetoothRoutes.put(device.getAddress(), btRoute);
		}
		btRoute.connectedProfiles.put(profile, true);
		if (activeDevices.contains(device)) {
		mSelectedRoute = btRoute;
		setRouteConnectionState(mSelectedRoute,
		MediaRoute2Info.CONNECTION_STATE_CONNECTED);
		}

		btRoute.connectedProfiles.put(profile, true);
		}
		notifyBluetoothRoutesUpdated();
		}
		@@ -348,6 +378,8 @@ class BluetoothRouteProvider {
		BluetoothDevice.ERROR);
		BluetoothRouteInfo btRoute = mBluetoothRoutes.get(device.getAddress());
		if (bondState == BluetoothDevice.BOND_BONDED && btRoute == null) {
		//TODO: The type of the new route is A2DP even when it's HEARING_AID.
		// We may determine the type of route when create the route.
		btRoute = createBluetoothRoute(device);
		if (mA2dpProfile != null && mA2dpProfile.getConnectedDevices().contains(device)) {
		btRoute.connectedProfiles.put(BluetoothProfile.A2DP, true);

services/core/java/com/android/server/media/SystemMediaRoute2Provider.java

+33 −23

Original line number	Diff line number	Diff line
		@@ -81,6 +81,7 @@ class SystemMediaRoute2Provider extends MediaRoute2Provider {
		MediaRoute2Info mDeviceRoute;
		RoutingSessionInfo mDefaultSessionInfo;
		final AudioRoutesInfo mCurAudioRoutesInfo = new AudioRoutesInfo();
		int mDeviceVolume;

		private final Object mRequestLock = new Object();
		@GuardedBy("mRequestLock")
		@@ -127,8 +128,9 @@ class SystemMediaRoute2Provider extends MediaRoute2Provider {
		});
		updateSessionInfosIfNeeded();

		mContext.registerReceiver(new VolumeChangeReceiver(),
		new IntentFilter(AudioManager.VOLUME_CHANGED_ACTION));
		IntentFilter intentFilter = new IntentFilter(AudioManager.VOLUME_CHANGED_ACTION);
		intentFilter.addAction(AudioManager.STREAM_DEVICES_CHANGED_ACTION);
		mContext.registerReceiver(new AudioManagerBroadcastReceiver(), intentFilter);

		if (mBtRouteProvider != null) {
		mHandler.post(() -> {
		@@ -136,6 +138,7 @@ class SystemMediaRoute2Provider extends MediaRoute2Provider {
		notifyProviderState();
		});
		}
		updateVolume();
		}

		@Override
		@@ -248,8 +251,8 @@ class SystemMediaRoute2Provider extends MediaRoute2Provider {
		.setVolumeHandling(mAudioManager.isVolumeFixed()
		? MediaRoute2Info.PLAYBACK_VOLUME_FIXED
		: MediaRoute2Info.PLAYBACK_VOLUME_VARIABLE)
		.setVolume(mDeviceVolume)
		.setVolumeMax(mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC))
		.setVolume(mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC))
		.setType(type)
		.addFeature(FEATURE_LIVE_AUDIO)
		.addFeature(FEATURE_LIVE_VIDEO)
		@@ -361,36 +364,43 @@ class SystemMediaRoute2Provider extends MediaRoute2Provider {
		}
		}

		private class VolumeChangeReceiver extends BroadcastReceiver {
		void updateVolume() {
		int devices = mAudioManager.getDevicesForStream(AudioManager.STREAM_MUSIC);
		int volume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);

		if (mDefaultRoute.getVolume() != volume) {
		mDefaultRoute = new MediaRoute2Info.Builder(mDefaultRoute)
		.setVolume(volume)
		.build();
		}

		if (mBtRouteProvider != null && mBtRouteProvider.updateVolumeForDevices(devices, volume)) {
		return;
		}
		if (mDeviceVolume != volume) {
		mDeviceVolume = volume;
		mDeviceRoute = new MediaRoute2Info.Builder(mDeviceRoute)
		.setVolume(volume)
		.build();
		}
		publishProviderState();
		}

		private class AudioManagerBroadcastReceiver extends BroadcastReceiver {
		// This will be called in the main thread.
		@Override
		public void onReceive(Context context, Intent intent) {
		if (!intent.getAction().equals(AudioManager.VOLUME_CHANGED_ACTION)) {
		if (!intent.getAction().equals(AudioManager.VOLUME_CHANGED_ACTION)
		&& !intent.getAction().equals(AudioManager.STREAM_DEVICES_CHANGED_ACTION)) {
		return;
		}

		final int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1);
		int streamType = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_TYPE, -1);
		if (streamType != AudioManager.STREAM_MUSIC) {
		return;
		}

		final int newVolume = intent.getIntExtra(AudioManager.EXTRA_VOLUME_STREAM_VALUE, 0);
		final int oldVolume = intent.getIntExtra(
		AudioManager.EXTRA_PREV_VOLUME_STREAM_VALUE, 0);

		if (newVolume != oldVolume) {
		if (TextUtils.equals(mDeviceRoute.getId(), mSelectedRouteId)) {
		mDeviceRoute = new MediaRoute2Info.Builder(mDeviceRoute)
		.setVolume(newVolume)
		.build();
		} else if (mBtRouteProvider != null) {
		mBtRouteProvider.setSelectedRouteVolume(newVolume);
		}
		mDefaultRoute = new MediaRoute2Info.Builder(mDefaultRoute)
		.setVolume(newVolume)
		.build();
		publishProviderState();
		}
		updateVolume();
		}
		}
		}