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Merge "Camera: Add details about default output YUV encoding" into udc-dev am: 766c6bfde9

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23984490

Change-Id: I9692a7351a5c92d8993b4f635b12fc71b32b8dec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot
2023-07-14 01:42:32 +00:00
committed by Automerger Merge Worker
parent 3b651858ff 766c6bfde9
commit 2db296b28f
7 changed files with 63 additions and 40 deletions
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3
core/java/android/hardware/camera2/CameraDevice.java
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@@ -283,7 +283,8 @@ public abstract class CameraDevice implements AutoCloseable {
* @see StreamConfigurationMap#getInputFormats * @see StreamConfigurationMap#getInputFormats
* @see StreamConfigurationMap#getInputSizes * @see StreamConfigurationMap#getInputSizes
* @see StreamConfigurationMap#getValidOutputFormatsForInput * @see StreamConfigurationMap#getValidOutputFormatsForInput
* @see StreamConfigurationMap#getOutputSizes * @see StreamConfigurationMap#getOutputSizes(int)
* @see StreamConfigurationMap#getOutputSizes(Class)
* @see android.media.ImageWriter * @see android.media.ImageWriter
* @see android.media.ImageReader * @see android.media.ImageReader
* @deprecated Please use {@link * @deprecated Please use {@link

17
core/java/android/hardware/camera2/CameraManager.java
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@@ -129,14 +129,17 @@ public final class CameraManager {
/** /**
* Enable physical camera availability callbacks when the logical camera is unavailable * Enable physical camera availability callbacks when the logical camera is unavailable
* *
* <p>Previously once a logical camera becomes unavailable, no {@link * <p>Previously once a logical camera becomes unavailable, no
* #onPhysicalCameraAvailable} or {@link #onPhysicalCameraUnavailable} will be called until * {@link AvailabilityCallback#onPhysicalCameraAvailable} or
* the logical camera becomes available again. The results in the app opening the logical * {@link AvailabilityCallback#onPhysicalCameraUnavailable} will
* camera not able to receive physical camera availability change.</p> * be called until the logical camera becomes available again. The
* results in the app opening the logical camera not able to
* receive physical camera availability change.</p>
* *
* <p>With this change, the {@link #onPhysicalCameraAvailable} and {@link * <p>With this change, the {@link
* #onPhysicalCameraUnavailable} can still be called while the logical camera is unavailable. * AvailabilityCallback#onPhysicalCameraAvailable} and {@link
* </p> * AvailabilityCallback#onPhysicalCameraUnavailable} can still be
* called while the logical camera is unavailable. </p>
*/ */
@ChangeId @ChangeId
@EnabledSince(targetSdkVersion = android.os.Build.VERSION_CODES.UPSIDE_DOWN_CAKE) @EnabledSince(targetSdkVersion = android.os.Build.VERSION_CODES.UPSIDE_DOWN_CAKE)

28
core/java/android/hardware/camera2/package.html
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@@ -62,12 +62,28 @@ RAW buffers for {@link android.hardware.camera2.DngCreator} can be
done with {@link android.media.ImageReader} with the {@link done with {@link android.media.ImageReader} with the {@link
android.graphics.ImageFormat#JPEG} and {@link android.graphics.ImageFormat#JPEG} and {@link
android.graphics.ImageFormat#RAW_SENSOR} formats. Application-driven android.graphics.ImageFormat#RAW_SENSOR} formats. Application-driven
processing of camera data in RenderScript, OpenGL ES, or directly in processing of camera data in OpenGL ES, or directly in managed or
managed or native code is best done through {@link native code is best done through {@link
android.renderscript.Allocation} with a YUV {@link android.graphics.SurfaceTexture}, or {@link android.media.ImageReader}
android.renderscript.Type}, {@link android.graphics.SurfaceTexture}, with a {@link android.graphics.ImageFormat#YUV_420_888} format,
and {@link android.media.ImageReader} with a {@link respectively. </p>
android.graphics.ImageFormat#YUV_420_888} format, respectively.</p>
<p>By default, YUV-format buffers provided by the camera are using the
JFIF YUV<->RGB transform matrix (equivalent to Rec.601 full-range
encoding), and after conversion to RGB with this matrix, the resulting
RGB data is in the sRGB colorspace. Captured JPEG images may contain
an ICC profile to specify their color space information; if not, they
should be assumed to be in the sRGB space as well. On some devices,
the output colorspace can be changed via {@link
android.hardware.camera2.params.SessionConfiguration#setColorSpace}.
</p>
<p>
Note that although the YUV->RGB transform is the JFIF matrix (Rec.601
full-range), due to legacy and compatibility reasons, the output is in
the sRGB colorspace, which uses the Rec.709 color primaries. Image
processing code can safely treat the output RGB as being in the sRGB
colorspace.
</p>
<p>The application then needs to construct a {@link <p>The application then needs to construct a {@link
android.hardware.camera2.CaptureRequest}, which defines all the android.hardware.camera2.CaptureRequest}, which defines all the

4
core/java/android/hardware/camera2/params/ColorSpaceProfiles.java
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@@ -192,7 +192,7 @@ public final class ColorSpaceProfiles {
* @see OutputConfiguration#setDynamicRangeProfile * @see OutputConfiguration#setDynamicRangeProfile
* @see SessionConfiguration#setColorSpace * @see SessionConfiguration#setColorSpace
* @see ColorSpace.Named * @see ColorSpace.Named
* @see DynamicRangeProfiles.Profile * @see DynamicRangeProfiles
*/ */
public @NonNull Set<Long> getSupportedDynamicRangeProfiles(@NonNull ColorSpace.Named colorSpace, public @NonNull Set<Long> getSupportedDynamicRangeProfiles(@NonNull ColorSpace.Named colorSpace,
@ImageFormat.Format int imageFormat) { @ImageFormat.Format int imageFormat) {
@@ -230,7 +230,7 @@ public final class ColorSpaceProfiles {
* @see SessionConfiguration#setColorSpace * @see SessionConfiguration#setColorSpace
* @see OutputConfiguration#setDynamicRangeProfile * @see OutputConfiguration#setDynamicRangeProfile
* @see ColorSpace.Named * @see ColorSpace.Named
* @see DynamicRangeProfiles.Profile * @see DynamicRangeProfiles
*/ */
public @NonNull Set<ColorSpace.Named> getSupportedColorSpacesForDynamicRange( public @NonNull Set<ColorSpace.Named> getSupportedColorSpacesForDynamicRange(
@ImageFormat.Format int imageFormat, @ImageFormat.Format int imageFormat,

14
core/java/android/hardware/camera2/params/RecommendedStreamConfigurationMap.java
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@@ -45,7 +45,7 @@ import java.util.Set;
* Immutable class to store the recommended stream configurations to set up * Immutable class to store the recommended stream configurations to set up
* {@link android.view.Surface Surfaces} for creating a * {@link android.view.Surface Surfaces} for creating a
* {@link android.hardware.camera2.CameraCaptureSession capture session} with * {@link android.hardware.camera2.CameraCaptureSession capture session} with
* {@link android.hardware.camera2.CameraDevice#createCaptureSession}. * {@link android.hardware.camera2.CameraDevice#createCaptureSession(SessionConfiguration)}.
* *
* <p>The recommended list does not replace or deprecate the exhaustive complete list found in * <p>The recommended list does not replace or deprecate the exhaustive complete list found in
* {@link StreamConfigurationMap}. It is a suggestion about available power and performance * {@link StreamConfigurationMap}. It is a suggestion about available power and performance
@@ -70,7 +70,7 @@ import java.util.Set;
* }</code></pre> * }</code></pre>
* *
* @see CameraCharacteristics#getRecommendedStreamConfigurationMap * @see CameraCharacteristics#getRecommendedStreamConfigurationMap
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
*/ */
public final class RecommendedStreamConfigurationMap { public final class RecommendedStreamConfigurationMap {
@@ -282,7 +282,7 @@ public final class RecommendedStreamConfigurationMap {
/** /**
* Determine whether or not output surfaces with a particular user-defined format can be passed * Determine whether or not output surfaces with a particular user-defined format can be passed
* {@link CameraDevice#createCaptureSession createCaptureSession}. * {@link CameraDevice#createCaptureSession(SessionConfiguration) createCaptureSession}.
* *
* <p> * <p>
* For further information refer to {@link StreamConfigurationMap#isOutputSupportedFor}. * For further information refer to {@link StreamConfigurationMap#isOutputSupportedFor}.
@@ -292,7 +292,7 @@ public final class RecommendedStreamConfigurationMap {
* @param format an image format from either {@link ImageFormat} or {@link PixelFormat} * @param format an image format from either {@link ImageFormat} or {@link PixelFormat}
* @return * @return
* {@code true} if using a {@code surface} with this {@code format} will be * {@code true} if using a {@code surface} with this {@code format} will be
* supported with {@link CameraDevice#createCaptureSession} * supported with {@link CameraDevice#createCaptureSession(SessionConfiguration)}
* *
* @throws IllegalArgumentException * @throws IllegalArgumentException
* if the image format was not a defined named constant * if the image format was not a defined named constant
@@ -508,8 +508,10 @@ public final class RecommendedStreamConfigurationMap {
} }
/** /**
* Determine whether or not the {@code surface} in its current state is suitable to be included * Determine whether or not the {@code surface} in its current
* in a {@link CameraDevice#createCaptureSession capture session} as an output. * state is suitable to be included in a {@link
* CameraDevice#createCaptureSession(SessionConfiguration) capture
* session} as an output.
* *
* <p>For more information refer to {@link StreamConfigurationMap#isOutputSupportedFor}. * <p>For more information refer to {@link StreamConfigurationMap#isOutputSupportedFor}.
* </p> * </p>

7
core/java/android/hardware/camera2/params/SessionConfiguration.java
View File

@@ -55,7 +55,7 @@ public final class SessionConfiguration implements Parcelable {
* at regular non high speed FPS ranges and optionally {@link InputConfiguration} for * at regular non high speed FPS ranges and optionally {@link InputConfiguration} for
* reprocessable sessions. * reprocessable sessions.
* *
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
* @see CameraDevice#createReprocessableCaptureSession * @see CameraDevice#createReprocessableCaptureSession
*/ */
public static final int SESSION_REGULAR = CameraDevice.SESSION_OPERATION_MODE_NORMAL; public static final int SESSION_REGULAR = CameraDevice.SESSION_OPERATION_MODE_NORMAL;
@@ -110,10 +110,7 @@ public final class SessionConfiguration implements Parcelable {
* *
* @see #SESSION_REGULAR * @see #SESSION_REGULAR
* @see #SESSION_HIGH_SPEED * @see #SESSION_HIGH_SPEED
* @see CameraDevice#createCaptureSession(List, CameraCaptureSession.StateCallback, Handler) * @see CameraDevice#createCaptureSession(SessionConfiguration)
* @see CameraDevice#createCaptureSessionByOutputConfigurations
* @see CameraDevice#createReprocessableCaptureSession
* @see CameraDevice#createConstrainedHighSpeedCaptureSession
*/ */
public SessionConfiguration(@SessionMode int sessionType, public SessionConfiguration(@SessionMode int sessionType,
@NonNull List<OutputConfiguration> outputs, @NonNull List<OutputConfiguration> outputs,

30
core/java/android/hardware/camera2/params/StreamConfigurationMap.java
View File

@@ -41,7 +41,7 @@ import java.util.Set;
* {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP configurations} to set up * {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP configurations} to set up
* {@link android.view.Surface Surfaces} for creating a * {@link android.view.Surface Surfaces} for creating a
* {@link android.hardware.camera2.CameraCaptureSession capture session} with * {@link android.hardware.camera2.CameraCaptureSession capture session} with
* {@link android.hardware.camera2.CameraDevice#createCaptureSession}. * {@link android.hardware.camera2.CameraDevice#createCaptureSession(SessionConfiguration)}.
* <!-- TODO: link to input stream configuration --> * <!-- TODO: link to input stream configuration -->
* *
* <p>This is the authoritative list for all <!-- input/ -->output formats (and sizes respectively * <p>This is the authoritative list for all <!-- input/ -->output formats (and sizes respectively
@@ -62,7 +62,7 @@ import java.util.Set;
* }</code></pre> * }</code></pre>
* *
* @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
*/ */
public final class StreamConfigurationMap { public final class StreamConfigurationMap {
@@ -456,7 +456,7 @@ public final class StreamConfigurationMap {
/** /**
* Determine whether or not output surfaces with a particular user-defined format can be passed * Determine whether or not output surfaces with a particular user-defined format can be passed
* {@link CameraDevice#createCaptureSession createCaptureSession}. * {@link CameraDevice#createCaptureSession(SessionConfiguration) createCaptureSession}.
* *
* <p>This method determines that the output {@code format} is supported by the camera device; * <p>This method determines that the output {@code format} is supported by the camera device;
* each output {@code surface} target may or may not itself support that {@code format}. * each output {@code surface} target may or may not itself support that {@code format}.
@@ -468,7 +468,7 @@ public final class StreamConfigurationMap {
* @param format an image format from either {@link ImageFormat} or {@link PixelFormat} * @param format an image format from either {@link ImageFormat} or {@link PixelFormat}
* @return * @return
* {@code true} iff using a {@code surface} with this {@code format} will be * {@code true} iff using a {@code surface} with this {@code format} will be
* supported with {@link CameraDevice#createCaptureSession} * supported with {@link CameraDevice#createCaptureSession(SessionConfiguration)}
* *
* @throws IllegalArgumentException * @throws IllegalArgumentException
* if the image format was not a defined named constant * if the image format was not a defined named constant
@@ -476,7 +476,7 @@ public final class StreamConfigurationMap {
* *
* @see ImageFormat * @see ImageFormat
* @see PixelFormat * @see PixelFormat
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
*/ */
public boolean isOutputSupportedFor(int format) { public boolean isOutputSupportedFor(int format) {
checkArgumentFormat(format); checkArgumentFormat(format);
@@ -521,7 +521,7 @@ public final class StreamConfigurationMap {
* *
* <p>Generally speaking this means that creating a {@link Surface} from that class <i>may</i> * <p>Generally speaking this means that creating a {@link Surface} from that class <i>may</i>
* provide a producer endpoint that is suitable to be used with * provide a producer endpoint that is suitable to be used with
* {@link CameraDevice#createCaptureSession}.</p> * {@link CameraDevice#createCaptureSession(SessionConfiguration)}.</p>
* *
* <p>Since not all of the above classes support output of all format and size combinations, * <p>Since not all of the above classes support output of all format and size combinations,
* the particular combination should be queried with {@link #isOutputSupportedFor(Surface)}.</p> * the particular combination should be queried with {@link #isOutputSupportedFor(Surface)}.</p>
@@ -531,7 +531,7 @@ public final class StreamConfigurationMap {
* *
* @throws NullPointerException if {@code klass} was {@code null} * @throws NullPointerException if {@code klass} was {@code null}
* *
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
* @see #isOutputSupportedFor(Surface) * @see #isOutputSupportedFor(Surface)
*/ */
public static <T> boolean isOutputSupportedFor(Class<T> klass) { public static <T> boolean isOutputSupportedFor(Class<T> klass) {
@@ -555,8 +555,10 @@ public final class StreamConfigurationMap {
} }
/** /**
* Determine whether or not the {@code surface} in its current state is suitable to be included * Determine whether or not the {@code surface} in its current
* in a {@link CameraDevice#createCaptureSession capture session} as an output. * state is suitable to be included in a {@link
* CameraDevice#createCaptureSession(SessionConfiguration) capture
* session} as an output.
* *
* <p>Not all surfaces are usable with the {@link CameraDevice}, and not all configurations * <p>Not all surfaces are usable with the {@link CameraDevice}, and not all configurations
* of that {@code surface} are compatible. Some classes that provide the {@code surface} are * of that {@code surface} are compatible. Some classes that provide the {@code surface} are
@@ -588,7 +590,7 @@ public final class StreamConfigurationMap {
* @throws NullPointerException if {@code surface} was {@code null} * @throws NullPointerException if {@code surface} was {@code null}
* @throws IllegalArgumentException if the Surface endpoint is no longer valid * @throws IllegalArgumentException if the Surface endpoint is no longer valid
* *
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
* @see #isOutputSupportedFor(Class) * @see #isOutputSupportedFor(Class)
*/ */
public boolean isOutputSupportedFor(Surface surface) { public boolean isOutputSupportedFor(Surface surface) {
@@ -623,14 +625,16 @@ public final class StreamConfigurationMap {
} }
/** /**
* Determine whether or not the particular stream configuration is suitable to be included * Determine whether or not the particular stream configuration is
* in a {@link CameraDevice#createCaptureSession capture session} as an output. * suitable to be included in a {@link
* CameraDevice#createCaptureSession(SessionConfiguration) capture
* session} as an output.
* *
* @param size stream configuration size * @param size stream configuration size
* @param format stream configuration format * @param format stream configuration format
* @return {@code true} if this is supported, {@code false} otherwise * @return {@code true} if this is supported, {@code false} otherwise
* *
* @see CameraDevice#createCaptureSession * @see CameraDevice#createCaptureSession(SessionConfiguration)
* @see #isOutputSupportedFor(Class) * @see #isOutputSupportedFor(Class)
* @hide * @hide
*/ */