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Camera2: Add support for extension specific session types

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Allow extension vendors to specify the camera capture session
type.

Bug: 254351814
Test: Camera CTS
Change-Id: I36d70f6f168cd51f19ea517a98428c02a96842cc
This commit is contained in:
Emilian Peev
2022-10-17 15:33:26 -07:00
parent fc48388a5b
commit 983c89e015
6 changed files with 59 additions and 11 deletions
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1
core/java/android/hardware/camera2/extension/CameraSessionConfig.aidl
View File

@@ -24,4 +24,5 @@ parcelable CameraSessionConfig
List<CameraOutputConfig> outputConfigs;
CameraMetadataNative sessionParameter;
int sessionTemplateId;
int sessionType;
}

1
core/java/android/hardware/camera2/extension/IImageCaptureExtenderImpl.aidl
View File

@@ -31,6 +31,7 @@ interface IImageCaptureExtenderImpl
@nullable CaptureStageImpl onPresetSession();
@nullable CaptureStageImpl onEnableSession();
@nullable CaptureStageImpl onDisableSession();
int getSessionType();
boolean isExtensionAvailable(in String cameraId, in CameraMetadataNative chars);
void init(in String cameraId, in CameraMetadataNative chars);

1
core/java/android/hardware/camera2/extension/IPreviewExtenderImpl.aidl
View File

@@ -34,6 +34,7 @@ interface IPreviewExtenderImpl
void init(in String cameraId, in CameraMetadataNative chars);
boolean isExtensionAvailable(in String cameraId, in CameraMetadataNative chars);
@nullable CaptureStageImpl getCaptureStage();
int getSessionType();
const int PROCESSOR_TYPE_REQUEST_UPDATE_ONLY = 0;
const int PROCESSOR_TYPE_IMAGE_PROCESSOR = 1;

13
core/java/android/hardware/camera2/impl/CameraAdvancedExtensionSessionImpl.java
View File

@@ -243,9 +243,16 @@ public final class CameraAdvancedExtensionSessionImpl extends CameraExtensionSes
mCameraConfigMap.put(cameraOutput.getSurface(), output);
}
SessionConfiguration sessionConfiguration = new SessionConfiguration(
SessionConfiguration.SESSION_REGULAR, outputList,
new CameraExtensionUtils.HandlerExecutor(mHandler), new SessionStateHandler());
int sessionType = SessionConfiguration.SESSION_REGULAR;
if (sessionConfig.sessionType != -1 &&
(sessionConfig.sessionType != SessionConfiguration.SESSION_HIGH_SPEED)) {
sessionType = sessionConfig.sessionType;
Log.v(TAG, "Using session type: " + sessionType);
}
SessionConfiguration sessionConfiguration = new SessionConfiguration(sessionType,
outputList, new CameraExtensionUtils.HandlerExecutor(mHandler),
new SessionStateHandler());
if ((sessionConfig.sessionParameter != null) &&
(!sessionConfig.sessionParameter.isEmpty())) {

14
core/java/android/hardware/camera2/impl/CameraExtensionSessionImpl.java
View File

@@ -415,6 +415,18 @@ public final class CameraExtensionSessionImpl extends CameraExtensionSession {
"Session already initialized");
return;
}
int previewSessionType = mPreviewExtender.getSessionType();
int imageSessionType = mImageExtender.getSessionType();
if (previewSessionType != imageSessionType) {
throw new IllegalStateException("Preview extender session type: " + previewSessionType +
"and image extender session type: " + imageSessionType + " mismatch!");
}
int sessionType = SessionConfiguration.SESSION_REGULAR;
if ((previewSessionType != -1) &&
(previewSessionType != SessionConfiguration.SESSION_HIGH_SPEED)) {
sessionType = previewSessionType;
Log.v(TAG, "Using session type: " + sessionType);
}
ArrayList<CaptureStageImpl> sessionParamsList = new ArrayList<>();
ArrayList<OutputConfiguration> outputList = new ArrayList<>();
@@ -432,7 +444,7 @@ public final class CameraExtensionSessionImpl extends CameraExtensionSession {
}
SessionConfiguration sessionConfig = new SessionConfiguration(
SessionConfiguration.SESSION_REGULAR,
sessionType,
outputList,
new CameraExtensionUtils.HandlerExecutor(mHandler),
new SessionStateHandler());

40
packages/services/CameraExtensionsProxy/src/com/android/cameraextensions/CameraExtensionsProxyService.java
View File

@@ -19,7 +19,6 @@ import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Camera;
import android.graphics.GraphicBuffer;
import android.graphics.Rect;
import android.hardware.HardwareBuffer;
@@ -124,26 +123,31 @@ public class CameraExtensionsProxyService extends Service {
private static final String CAMERA_EXTENSION_VERSION_NAME =
"androidx.camera.extensions.impl.ExtensionVersionImpl";
private static final String LATEST_VERSION = "1.3.0";
private static final String LATEST_VERSION = "1.4.0";
// No support for the init sequence
private static final String NON_INIT_VERSION_PREFIX = "1.0";
// Support advanced API and latency queries
private static final String ADVANCED_VERSION_PREFIX = "1.2";
// Support for the capture request & result APIs
private static final String RESULTS_VERSION_PREFIX = "1.3";
private static final String[] ADVANCED_VERSION_PREFIXES = {ADVANCED_VERSION_PREFIX,
RESULTS_VERSION_PREFIX};
private static final String[] SUPPORTED_VERSION_PREFIXES = {RESULTS_VERSION_PREFIX,
ADVANCED_VERSION_PREFIX, "1.1", NON_INIT_VERSION_PREFIX};
// Support for various latency improvements
private static final String LATENCY_VERSION_PREFIX = "1.4";
private static final String[] ADVANCED_VERSION_PREFIXES = {LATENCY_VERSION_PREFIX,
ADVANCED_VERSION_PREFIX, RESULTS_VERSION_PREFIX };
private static final String[] SUPPORTED_VERSION_PREFIXES = {LATENCY_VERSION_PREFIX,
RESULTS_VERSION_PREFIX, ADVANCED_VERSION_PREFIX, "1.1", NON_INIT_VERSION_PREFIX};
private static final boolean EXTENSIONS_PRESENT = checkForExtensions();
private static final String EXTENSIONS_VERSION = EXTENSIONS_PRESENT ?
(new ExtensionVersionImpl()).checkApiVersion(LATEST_VERSION) : null;
private static final boolean LATENCY_API_SUPPORTED = checkForLatencyAPI();
private static final boolean LATENCY_IMPROVEMENTS_SUPPORTED = EXTENSIONS_PRESENT &&
(EXTENSIONS_VERSION.startsWith(LATENCY_VERSION_PREFIX));
private static final boolean ADVANCED_API_SUPPORTED = checkForAdvancedAPI();
private static final boolean INIT_API_SUPPORTED = EXTENSIONS_PRESENT &&
(!EXTENSIONS_VERSION.startsWith(NON_INIT_VERSION_PREFIX));
private static final boolean RESULT_API_SUPPORTED = EXTENSIONS_PRESENT &&
(EXTENSIONS_VERSION.startsWith(RESULTS_VERSION_PREFIX));
(EXTENSIONS_VERSION.startsWith(RESULTS_VERSION_PREFIX) ||
EXTENSIONS_VERSION.startsWith(LATENCY_VERSION_PREFIX));
private HashMap<String, CameraCharacteristics> mCharacteristicsHashMap = new HashMap<>();
private HashMap<String, Long> mMetadataVendorIdMap = new HashMap<>();
@@ -1169,6 +1173,10 @@ public class CameraExtensionsProxyService extends Service {
ret.outputConfigs.add(entry);
}
ret.sessionTemplateId = sessionConfig.getSessionTemplateId();
ret.sessionType = -1;
if (LATENCY_IMPROVEMENTS_SUPPORTED) {
ret.sessionType = sessionConfig.getSessionType();
}
ret.sessionParameter = initializeParcelableMetadata(
sessionConfig.getSessionParameters(), cameraId);
mCameraId = cameraId;
@@ -1311,6 +1319,15 @@ public class CameraExtensionsProxyService extends Service {
return initializeParcelable(mPreviewExtender.getCaptureStage(), mCameraId);
}
@Override
public int getSessionType() {
if (LATENCY_IMPROVEMENTS_SUPPORTED) {
return mPreviewExtender.onSessionType();
}
return -1;
}
@Override
public int getProcessorType() {
ProcessorType processorType = mPreviewExtender.getProcessorType();
@@ -1406,6 +1423,15 @@ public class CameraExtensionsProxyService extends Service {
return initializeParcelable(mImageExtender.onDisableSession(), mCameraId);
}
@Override
public int getSessionType() {
if (LATENCY_IMPROVEMENTS_SUPPORTED) {
return mImageExtender.onSessionType();
}
return -1;
}
@Override
public void init(String cameraId, CameraMetadataNative chars) {
CameraCharacteristics c = new CameraCharacteristics(chars);