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Merge "Camera: Enable camera extension latency range queries" into sc-dev am: 373fafb24b

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14106875

Change-Id: I35c331e5679d0dba6e765122e6e1461a57d4b59c
This commit is contained in:
TreeHugger Robot
2021-04-21 22:46:13 +00:00
committed by Automerger Merge Worker
parent 2645c4a181 373fafb24b
commit 46e5869de5
2 changed files with 46 additions and 0 deletions
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1
core/api/current.txt
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@@ -18038,6 +18038,7 @@ package android.hardware.camera2 {
}
public final class CameraExtensionCharacteristics {
method @Nullable public android.util.Range<java.lang.Long> getEstimatedCaptureLatencyRange(int, @NonNull android.util.Size, int);
method @NonNull public <T> java.util.List<android.util.Size> getExtensionSupportedSizes(int, @NonNull Class<T>);
method @NonNull public java.util.List<android.util.Size> getExtensionSupportedSizes(int, int);
method @NonNull public java.util.List<java.lang.Integer> getSupportedExtensions();

45
core/java/android/hardware/camera2/CameraExtensionCharacteristics.java
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@@ -15,6 +15,7 @@
*/
package android.hardware.camera2;
import android.annotation.Nullable;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
@@ -33,6 +34,7 @@ import android.annotation.IntDef;
import android.annotation.NonNull;
import android.util.Log;
import android.util.Pair;
import android.util.Range;
import android.util.Size;
import java.util.HashSet;
@@ -566,4 +568,47 @@ public final class CameraExtensionCharacteristics {
return new ArrayList<>();
}
}
/**
* Returns the estimated capture latency range in milliseconds for the
* target capture resolution during the calls to {@link CameraExtensionSession#capture}. This
* includes the time spent processing the multi-frame capture request along with any additional
* time for encoding of the processed buffer if necessary.
*
* @param extension the extension type
* @param captureOutputSize size of the capture output surface. If it is not in the supported
* output sizes, maximum capture output size is used for the estimation
* @param format device-specific extension output format
* @return the range of estimated minimal and maximal capture latency in milliseconds
* or null if no capture latency info can be provided
*
* @throws IllegalArgumentException in case of format different from {@link ImageFormat#JPEG} /
* {@link ImageFormat#YUV_420_888}; or unsupported extension.
*/
public @Nullable Range<Long> getEstimatedCaptureLatencyRange(@Extension int extension,
@NonNull Size captureOutputSize, @ImageFormat.Format int format) {
switch (format) {
case ImageFormat.YUV_420_888:
case ImageFormat.JPEG:
//No op
break;
default:
throw new IllegalArgumentException("Unsupported format: " + format);
}
long clientId = registerClient(mContext);
if (clientId < 0) {
throw new IllegalArgumentException("Unsupported extensions");
}
try {
if (!isExtensionSupported(mCameraId, extension, mChars)) {
throw new IllegalArgumentException("Unsupported extension");
}
} finally {
unregisterClient(clientId);
}
return null;
}
}