Merge "Make pre-scale for absolute volume configurable" (b7b31bdc) · Commits · e / os / android_frameworks_base

core/res/res/values/config.xml

+9 −0

Original line number	Diff line number	Diff line
		@@ -3541,4 +3541,13 @@

		<!-- Brand value for attestation of misprovisioned device. -->
		<string name="config_misprovisionedBrandValue" translatable="false"></string>

		<!-- Pre-scale volume at volume step 1 for Absolute Volume -->
		<fraction name="config_prescaleAbsoluteVolume_index1">50%</fraction>

		<!-- Pre-scale volume at volume step 2 for Absolute Volume -->
		<fraction name="config_prescaleAbsoluteVolume_index2">70%</fraction>

		<!-- Pre-scale volume at volume step 3 for Absolute Volume -->
		<fraction name="config_prescaleAbsoluteVolume_index3">85%</fraction>
		</resources>

core/res/res/values/symbols.xml

+5 −0

Original line number	Diff line number	Diff line
		@@ -3470,4 +3470,9 @@
		<java-symbol type="integer" name="db_wal_truncate_size" />
		<java-symbol type="integer" name="config_wakeUpDelayDoze" />
		<java-symbol type="string" name="config_dozeWakeScreenSensorType" />

		<!-- For Bluetooth AbsoluteVolume -->
		<java-symbol type="fraction" name="config_prescaleAbsoluteVolume_index1" />
		<java-symbol type="fraction" name="config_prescaleAbsoluteVolume_index2" />
		<java-symbol type="fraction" name="config_prescaleAbsoluteVolume_index3" />
		</resources>

services/core/java/com/android/server/audio/AudioService.java

+28 −10

Original line number	Diff line number	Diff line
		@@ -627,6 +627,13 @@ public class AudioService extends IAudioService.Stub
		// If absolute volume is supported in AVRCP device
		private boolean mAvrcpAbsVolSupported = false;

		// Pre-scale for Bluetooth Absolute Volume
		private float[] mPrescaleAbsoluteVolume = new float[] {
		0.5f, // Pre-scale for index 1
		0.7f, // Pre-scale for index 2
		0.85f, // Pre-scale for index 3
		};

		private static Long mLastDeviceConnectMsgTime = new Long(0);

		private NotificationManager mNm;
		@@ -878,6 +885,23 @@ public class AudioService extends IAudioService.Stub
		mUserManagerInternal.addUserRestrictionsListener(mUserRestrictionsListener);

		mRecordMonitor.initMonitor();

		final float[] preScale = new float[3];
		preScale[0] = mContext.getResources().getFraction(
		com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index1,
		1, 1);
		preScale[1] = mContext.getResources().getFraction(
		com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index2,
		1, 1);
		preScale[2] = mContext.getResources().getFraction(
		com.android.internal.R.fraction.config_prescaleAbsoluteVolume_index3,
		1, 1);
		for (int i = 0; i < preScale.length; i++) {
		if (0.0f <= preScale[i] && preScale[i] <= 1.0f) {
		mPrescaleAbsoluteVolume[i] = preScale[i];
		}
		}

		}

		public void systemReady() {
		@@ -4926,15 +4950,9 @@ public class AudioService extends IAudioService.Stub
		if (index == 0) {
		// 0% for volume 0
		index = 0;
		} else if (index == 1) {
		// 50% for volume 1
		index = (int)(mIndexMax * 0.5) /10;
		} else if (index == 2) {
		// 70% for volume 2
		index = (int)(mIndexMax * 0.70) /10;
		} else if (index == 3) {
		// 85% for volume 3
		index = (int)(mIndexMax * 0.85) /10;
		} else if (index > 0 && index <= 3) {
		// Pre-scale for volume steps 1 2 and 3
		index = (int) (mIndexMax * mPrescaleAbsoluteVolume[index - 1]) / 10;
		} else {
		// otherwise, full gain
		index = (mIndexMax + 5) / 10;