Set scaling mode for legacy device surfaces. (a94c6033) · Commits · e / os / android_frameworks_base

core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,9 @@ public class LegacyCameraDevice implements AutoCloseable {

		public static final int MAX_DIMEN_FOR_ROUNDING = 1080; // maximum allowed width for rounding

		// Keep up to date with values in system/core/include/system/window.h
		public static final int NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW = 1;

		private CaptureResultExtras getExtrasFromRequest(RequestHolder holder) {
		if (holder == null) {
		return new CaptureResultExtras(ILLEGAL_VALUE, ILLEGAL_VALUE, ILLEGAL_VALUE,
		@@ -654,6 +657,13 @@ public class LegacyCameraDevice implements AutoCloseable {
		LegacyExceptionUtils.throwOnError(nativeSetNextTimestamp(surface, timestamp));
		}

		static void setScalingMode(Surface surface, int mode)
		throws BufferQueueAbandonedException {
		checkNotNull(surface);
		LegacyExceptionUtils.throwOnError(nativeSetScalingMode(surface, mode));
		}


		private static native int nativeDetectSurfaceType(Surface surface);

		private static native int nativeDetectSurfaceDimens(Surface surface,
		@@ -681,5 +691,7 @@ public class LegacyCameraDevice implements AutoCloseable {

		private static native int nativeDetectSurfaceUsageFlags(Surface surface);

		private static native int nativeSetScalingMode(Surface surface, int scalingMode);

		static native int nativeGetJpegFooterSize();
		}

+2 −0

Original line number	Diff line number	Diff line
		@@ -385,6 +385,8 @@ public class RequestThreadManager {
		callbackOutputSizes.add(outSize);
		break;
		default:
		LegacyCameraDevice.setScalingMode(s, LegacyCameraDevice.
		NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
		mPreviewOutputs.add(s);
		previewOutputSizes.add(outSize);
		break;

+20 −0

Original line number	Diff line number	Diff line
		@@ -689,6 +689,23 @@ static jint LegacyCameraDevice_nativeSetNextTimestamp(JNIEnv* env, jobject thiz,
		return NO_ERROR;
		}

		static jint LegacyCameraDevice_nativeSetScalingMode(JNIEnv* env, jobject thiz, jobject surface,
		jint mode) {
		ALOGV("nativeSetScalingMode");
		sp<ANativeWindow> anw;
		if ((anw = getNativeWindow(env, surface)) == NULL) {
		ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
		return BAD_VALUE;
		}
		status_t err = NO_ERROR;
		if ((err = native_window_set_scaling_mode(anw.get(), static_cast<int>(mode))) != NO_ERROR) {
		ALOGE("%s: Unable to set surface scaling mode, error %s (%d)", __FUNCTION__,
		strerror(-err), err);
		return err;
		}
		return NO_ERROR;
		}

		static jint LegacyCameraDevice_nativeGetJpegFooterSize(JNIEnv* env, jobject thiz) {
		ALOGV("nativeGetJpegFooterSize");
		return static_cast<jint>(sizeof(struct camera3_jpeg_blob));
		@@ -733,6 +750,9 @@ static JNINativeMethod gCameraDeviceMethods[] = {
		{ "nativeDetectSurfaceUsageFlags",
		"(Landroid/view/Surface;)I",
		(void *)LegacyCameraDevice_nativeDetectSurfaceUsageFlags },
		{ "nativeSetScalingMode",
		"(Landroid/view/Surface;I)I",
		(void *)LegacyCameraDevice_nativeSetScalingMode },
		};

		// Get all the required offsets in java class and register native functions