Package org.robolectric.nativeruntime

Class ImageReaderNatives

java.lang.Object

org.robolectric.nativeruntime.ImageReaderNatives

public final class ImageReaderNatives
extends Object

Native methods for ImageReader JNI registration.

Native method signatures are derived from

 API 33 (T, Android 13)
 https://cs.android.com/android/platform/superproject/+/android-13.0.0_r1:frameworks/base/media/java/android/media/ImageReader.java

 API 31/32 (S, S_V2, Android 12)
 https://cs.android.com/android/platform/superproject/+/android-12.0.0_r1:frameworks/base/media/java/android/media/ImageReader.java
 https://cs.android.com/android/platform/superproject/+/android-12.0.0_r1:frameworks/base/media/jni/android_media_ImageReader.cpp

 API 30 (R, Android 11)
 https://cs.android.com/android/platform/superproject/+/android-11.0.0_r1:frameworks/base/media/java/android/media/ImageReader.java

 API 29 (Q, Android 10)
 https://cs.android.com/android/platform/superproject/+/android-10.0.0_r1:frameworks/base/media/java/android/media/ImageReader.java
 

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ACQUIRE_MAX_IMAGES	Returned by nativeImageSetup when we couldn't acquire the buffer because the consumer has already acquired maxImages and cannot acquire more than that.
static final int	ACQUIRE_NO_BUFS	Returned by nativeImageSetup when we couldn't acquire the buffer, because there were no buffers available to acquire.
static final int	ACQUIRE_SUCCESS	Returned by nativeImageSetup when acquiring the image was successful.
long	mNativeContext

Constructor Summary

Constructors

Constructor	Description
ImageReaderNatives()

Method Summary

Modifier and Type	Method	Description
static void	nativeClassInit()	We use a class initializer to allow the native code to cache some field offsets.
void	nativeClose()
int	nativeDetachImage(Image i)
void	nativeDiscardFreeBuffers()
Surface	nativeGetSurface()
int	nativeImageSetup(Image i)	Setup image in native level.
void	nativeInit(Object weakSelf, int w, int h, int fmt, int maxImgs, long consumerUsage)
void	nativeReleaseImage(Image i)
static void	postEventFromNative(Object o)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

mNativeContext

public long mNativeContext

ACQUIRE_SUCCESS

public static final int ACQUIRE_SUCCESS

Returned by nativeImageSetup when acquiring the image was successful.

See Also:

• Constant Field Values

ACQUIRE_NO_BUFS

public static final int ACQUIRE_NO_BUFS

Returned by nativeImageSetup when we couldn't acquire the buffer, because there were no buffers available to acquire.

See Also:

• Constant Field Values

ACQUIRE_MAX_IMAGES

public static final int ACQUIRE_MAX_IMAGES

Returned by nativeImageSetup when we couldn't acquire the buffer because the consumer has already acquired maxImages and cannot acquire more than that.

See Also:

• Constant Field Values

Constructor Details

ImageReaderNatives

public ImageReaderNatives()

Method Details

postEventFromNative

public static void postEventFromNative(Object o)

nativeInit

public void nativeInit(Object weakSelf,
 int w,
 int h,
 int fmt,
 int maxImgs,
 long consumerUsage)

nativeClose

public void nativeClose()

nativeReleaseImage

public void nativeReleaseImage(Image i)

nativeGetSurface

public Surface nativeGetSurface()

nativeDetachImage

public int nativeDetachImage(Image i)

nativeDiscardFreeBuffers

public void nativeDiscardFreeBuffers()

nativeImageSetup

public int nativeImageSetup(Image i)

Setup image in native level.

Returns:

A return code ACQUIRE_*

See Also:

• ACQUIRE_SUCCESS
• ACQUIRE_NO_BUFS
• ACQUIRE_MAX_IMAGES

nativeClassInit

public static void nativeClassInit()

We use a class initializer to allow the native code to cache some field offsets.