Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "AudioService: fix accessibility volume range" into qt-dev

Browse Source
This commit is contained in:
TreeHugger Robot
2019-05-31 19:47:25 +00:00
committed by Android (Google) Code Review
parent 40cff7025a 9f9029c455
commit be8a41a604
1 changed files with 11 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
services/core/java/com/android/server/audio/AudioService.java
View File

@@ -1275,8 +1275,6 @@ public class AudioService extends IAudioService.Stub
System.VOLUME_SETTINGS_INT[a11yStreamAlias];
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].setAllIndexes(
mStreamStates[a11yStreamAlias], caller);
mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].refreshRange(
mStreamVolumeAlias[AudioSystem.STREAM_ACCESSIBILITY]);
}
}
if (sIndependentA11yVolume) {
@@ -1577,20 +1575,19 @@ public class AudioService extends IAudioService.Stub
}
private int rescaleIndex(int index, int srcStream, int dstStream) {
int max = mStreamStates[srcStream].getMaxIndex();
if (max == 0) {
Log.e(TAG, "rescaleIndex : Max index should not be zero");
return mStreamStates[srcStream].getMinIndex();
}
final int rescaled =
(index * mStreamStates[dstStream].getMaxIndex()
+ mStreamStates[srcStream].getMaxIndex() / 2)
/ mStreamStates[srcStream].getMaxIndex();
if (rescaled < mStreamStates[dstStream].getMinIndex()) {
int srcRange =
mStreamStates[srcStream].getMaxIndex() - mStreamStates[srcStream].getMinIndex();
int dstRange =
mStreamStates[dstStream].getMaxIndex() - mStreamStates[dstStream].getMinIndex();
if (srcRange == 0) {
Log.e(TAG, "rescaleIndex : index range should not be zero");
return mStreamStates[dstStream].getMinIndex();
} else {
return rescaled;
}
return mStreamStates[dstStream].getMinIndex()
+ ((index - mStreamStates[srcStream].getMinIndex()) * dstRange + srcRange / 2)
/ srcRange;
}
///////////////////////////////////////////////////////////////////////////
@@ -4729,24 +4726,6 @@ public class AudioService extends IAudioService.Stub
return mIndexMin;
}
/**
* Updates the min/max index values from another stream. Use this when changing the alias
* for the current stream type.
* @param sourceStreamType
*/
// must be sync'd on mSettingsLock before VolumeStreamState.class
@GuardedBy("VolumeStreamState.class")
public void refreshRange(int sourceStreamType) {
mIndexMin = MIN_STREAM_VOLUME[sourceStreamType] * 10;
mIndexMax = MAX_STREAM_VOLUME[sourceStreamType] * 10;
// verify all current volumes are within bounds
for (int i = 0 ; i < mIndexMap.size(); i++) {
final int device = mIndexMap.keyAt(i);
final int index = mIndexMap.valueAt(i);
mIndexMap.put(device, getValidIndex(index));
}
}
/**
* Copies all device/index pairs from the given VolumeStreamState after initializing
* them with the volume for DEVICE_OUT_DEFAULT. No-op if the source VolumeStreamState