Merge "audioservice: fix media volume reset at boot" into oc-dr1-dev (09a93b97) · Commits · e / os / android_frameworks_base

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

+14 −8

Original line number	Diff line number	Diff line
		@@ -692,7 +692,6 @@ public class AudioService extends IAudioService.Stub
		// the mcc is read by onConfigureSafeVolume()
		mSafeMediaVolumeIndex = mContext.getResources().getInteger(
		com.android.internal.R.integer.config_safe_media_volume_index) * 10;
		mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex();

		mUseFixedVolume = mContext.getResources().getBoolean(
		com.android.internal.R.bool.config_useFixedVolume);
		@@ -705,6 +704,10 @@ public class AudioService extends IAudioService.Stub
		mSettingsObserver = new SettingsObserver();
		createStreamStates();

		// mSafeUsbMediaVolumeIndex must be initialized after createStreamStates() because it
		// relies on audio policy having correct ranges for volume indexes.
		mSafeUsbMediaVolumeIndex = getSafeUsbMediaVolumeIndex();

		mMediaFocusControl = new MediaFocusControl(mContext, mPlaybackMonitor);

		readAndSetLowRamDevice();
		@@ -3465,13 +3468,13 @@ public class AudioService extends IAudioService.Stub
		int index = (max + min) / 2;
		float gainDB = AudioSystem.getStreamVolumeDB(
		AudioSystem.STREAM_MUSIC, index, AudioSystem.DEVICE_OUT_USB_HEADSET);
		if (gainDB == Float.NaN) {
		if (Float.isNaN(gainDB)) {
		//keep last min in case of read error
		break;
		} else if (gainDB == SAVE_VOLUME_GAIN_DBFS) {
		} else if (gainDB == SAFE_VOLUME_GAIN_DBFS) {
		min = index;
		break;
		} else if (gainDB < SAVE_VOLUME_GAIN_DBFS) {
		} else if (gainDB < SAFE_VOLUME_GAIN_DBFS) {
		min = index;
		} else {
		max = index;
		@@ -5996,11 +5999,14 @@ public class AudioService extends IAudioService.Stub
		private int mMcc = 0;
		// mSafeMediaVolumeIndex is the cached value of config_safe_media_volume_index property
		private int mSafeMediaVolumeIndex;
		// mSafeUsbMediaVolumeIndex is used for USB Headsets and is to the music volume
		// UI index corresponding to a gain of -15 dBFS. This corresponds to a loudness of 85 dB SPL
		// if the headset is compliant to EN 60950 with a max loudness of 100dB SPL.
		// mSafeUsbMediaVolumeIndex is used for USB Headsets and is the music volume UI index
		// corresponding to a gain of -30 dBFS in audio flinger mixer.
		// We remove -15 dBs from the theoretical -15dB to account for the EQ boost when bands are set
		// to max gain.
		// This level corresponds to a loudness of 85 dB SPL for the warning to be displayed when
		// the headset is compliant to EN 60950 with a max loudness of 100dB SPL.
		private int mSafeUsbMediaVolumeIndex;
		private static final float SAVE_VOLUME_GAIN_DBFS = -15;
		private static final float SAFE_VOLUME_GAIN_DBFS = -30.0f;
		// mSafeMediaVolumeDevices lists the devices for which safe media volume is enforced,
		private final int mSafeMediaVolumeDevices = AudioSystem.DEVICE_OUT_WIRED_HEADSET \|
		AudioSystem.DEVICE_OUT_WIRED_HEADPHONE \|