DynamicCamera: Inject the camera from CameraService to Camera3Device
- Inject the injection camera from the camera service to the camera device via the camera client.
Bug: 181735245
Test: Manual
Change-Id: I53f076c24b932050e9c8af5acc10af73bcbe0e17
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index a0448b4..0f2085d 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -1755,6 +1755,27 @@
CameraServiceProxyWrapper::logOpen(cameraId, facing, clientPackageName,
effectiveApiLevel, isNdk, openLatencyMs);
+ {
+ Mutex::Autolock lock(mInjectionParametersLock);
+ if (cameraId == mInjectionInternalCamId && mInjectionInitPending) {
+ mInjectionInitPending = false;
+ status_t res = NO_ERROR;
+ auto clientDescriptor = mActiveClientManager.get(mInjectionInternalCamId);
+ if (clientDescriptor != nullptr) {
+ BasicClient* baseClientPtr = clientDescriptor->getValue().get();
+ res = baseClientPtr->injectCamera(mInjectionExternalCamId, mCameraProviderManager);
+ if (res != OK) {
+ mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
+ }
+ } else {
+ ALOGE("%s: Internal camera ID = %s 's client does not exist!",
+ __FUNCTION__, mInjectionInternalCamId.string());
+ res = NO_INIT;
+ mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
+ }
+ }
+ }
+
return ret;
}
@@ -2413,7 +2434,7 @@
const String16& externalCamId,
const sp<ICameraInjectionCallback>& callback,
/*out*/
- sp<hardware::camera2::ICameraInjectionSession>* cameraInjectionSession) {
+ sp<ICameraInjectionSession>* cameraInjectionSession) {
ATRACE_CALL();
if (!checkCallingPermission(sCameraInjectExternalCameraPermission)) {
@@ -2430,18 +2451,30 @@
__FUNCTION__, String8(packageName).string(),
String8(internalCamId).string(), String8(externalCamId).string());
- binder::Status ret = binder::Status::ok();
- // TODO: Implement the injection camera function.
- // ret = internalInjectCamera(...);
- // if(!ret.isOk()) {
- // mInjectionStatusListener->notifyInjectionError(...);
- // return ret;
- // }
-
+ {
+ Mutex::Autolock lock(mInjectionParametersLock);
+ mInjectionInternalCamId = String8(internalCamId);
+ mInjectionExternalCamId = String8(externalCamId);
+ status_t res = NO_ERROR;
+ auto clientDescriptor = mActiveClientManager.get(mInjectionInternalCamId);
+ // If the client already exists, we can directly connect to the camera device through the
+ // client's injectCamera(), otherwise we need to wait until the client is established
+ // (execute connectHelper()) before injecting the camera to the camera device.
+ if (clientDescriptor != nullptr) {
+ mInjectionInitPending = false;
+ BasicClient* baseClientPtr = clientDescriptor->getValue().get();
+ res = baseClientPtr->injectCamera(mInjectionExternalCamId, mCameraProviderManager);
+ if(res != OK) {
+ mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
+ }
+ } else {
+ mInjectionInitPending = true;
+ }
+ }
mInjectionStatusListener->addListener(callback);
*cameraInjectionSession = new CameraInjectionSession(this);
- return ret;
+ return binder::Status::ok();
}
void CameraService::removeByClient(const BasicClient* client) {
@@ -3704,13 +3737,50 @@
}
void CameraService::InjectionStatusListener::notifyInjectionError(
- int errorCode) {
+ String8 injectedCamId, status_t err) {
Mutex::Autolock lock(mListenerLock);
if (mCameraInjectionCallback == nullptr) {
ALOGW("InjectionStatusListener: mCameraInjectionCallback == nullptr");
return;
}
- mCameraInjectionCallback->onInjectionError(errorCode);
+
+ switch (err) {
+ case -ENODEV:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_SESSION);
+ ALOGE("No camera device with ID \"%s\" currently available!",
+ injectedCamId.string());
+ break;
+ case -EBUSY:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_SESSION);
+ ALOGE("Higher-priority client using camera, ID \"%s\" currently unavailable!",
+ injectedCamId.string());
+ break;
+ case DEAD_OBJECT:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_SESSION);
+ ALOGE("Camera ID \"%s\" object is dead!",
+ injectedCamId.string());
+ break;
+ case INVALID_OPERATION:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_SESSION);
+ ALOGE("Camera ID \"%s\" encountered an operating or internal error!",
+ injectedCamId.string());
+ break;
+ case UNKNOWN_TRANSACTION:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_UNSUPPORTED);
+ ALOGE("Camera ID \"%s\" method doesn't support!",
+ injectedCamId.string());
+ break;
+ default:
+ mCameraInjectionCallback->onInjectionError(
+ ICameraInjectionCallback::ERROR_INJECTION_INVALID_ERROR);
+ ALOGE("Unexpected error %s (%d) opening camera \"%s\"!",
+ strerror(-err), err, injectedCamId.string());
+ }
}
void CameraService::InjectionStatusListener::binderDied(
@@ -3719,7 +3789,12 @@
ALOGV("InjectionStatusListener: ICameraInjectionCallback has died");
auto parent = mParent.promote();
if (parent != nullptr) {
- parent->stopInjectionImpl();
+ parent->clearInjectionParameters();
+ auto clientDescriptor = parent->mActiveClientManager.get(parent->mInjectionInternalCamId);
+ if (clientDescriptor != nullptr) {
+ BasicClient* baseClientPtr = clientDescriptor->getValue().get();
+ baseClientPtr->stopInjection();
+ }
}
}
@@ -3735,7 +3810,20 @@
return STATUS_ERROR(ICameraInjectionCallback::ERROR_INJECTION_SERVICE,
"Camera service encountered error");
}
- parent->stopInjectionImpl();
+
+ status_t res = NO_ERROR;
+ parent->clearInjectionParameters();
+ auto clientDescriptor = parent->mActiveClientManager.get(parent->mInjectionInternalCamId);
+ if (clientDescriptor != nullptr) {
+ BasicClient* baseClientPtr = clientDescriptor->getValue().get();
+ res = baseClientPtr->stopInjection();
+ if (res != OK) {
+ ALOGE("CameraInjectionSession: Failed to stop the injection camera!"
+ " ret != NO_ERROR: %d", res);
+ return STATUS_ERROR(ICameraInjectionCallback::ERROR_INJECTION_SESSION,
+ "Camera session encountered error");
+ }
+ }
return binder::Status::ok();
}
@@ -4399,10 +4487,14 @@
return mode;
}
-void CameraService::stopInjectionImpl() {
+void CameraService::clearInjectionParameters() {
+ {
+ Mutex::Autolock lock(mInjectionParametersLock);
+ mInjectionInitPending = true;
+ mInjectionInternalCamId = "";
+ }
+ mInjectionExternalCamId = "";
mInjectionStatusListener->removeListener();
-
- // TODO: Implement the stop injection function.
}
}; // namespace android
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index 10e1748..2d5f113 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -317,6 +317,14 @@
// Set/reset camera mute
virtual status_t setCameraMute(bool enabled) = 0;
+ // The injection camera session to replace the internal camera
+ // session.
+ virtual status_t injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) = 0;
+
+ // Stop the injection camera and restore to internal camera session.
+ virtual status_t stopInjection() = 0;
+
protected:
BasicClient(const sp<CameraService>& cameraService,
const sp<IBinder>& remoteCallback,
@@ -1168,7 +1176,7 @@
void addListener(const sp<hardware::camera2::ICameraInjectionCallback>& callback);
void removeListener();
- void notifyInjectionError(int errorCode);
+ void notifyInjectionError(String8 injectedCamId, status_t err);
// IBinder::DeathRecipient implementation
virtual void binderDied(const wp<IBinder>& who);
@@ -1195,7 +1203,15 @@
wp<CameraService> mParent;
};
- void stopInjectionImpl();
+ void clearInjectionParameters();
+
+ // This is the existing camera id being replaced.
+ String8 mInjectionInternalCamId;
+ // This is the external camera Id replacing the internalId.
+ String8 mInjectionExternalCamId;
+ bool mInjectionInitPending = true;
+ // Guard mInjectionInternalCamId and mInjectionInitPending.
+ Mutex mInjectionParametersLock;
};
} // namespace android
diff --git a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
index ef15f2d..652842b 100644
--- a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.cpp
@@ -330,5 +330,19 @@
CaptureResultExtras());
}
+status_t CameraOfflineSessionClient::injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) {
+ ALOGV("%s: This client doesn't support the injection camera. injectedCamId: %s providerPtr: %p",
+ __FUNCTION__, injectedCamId.string(), manager.get());
+
+ return OK;
+}
+
+status_t CameraOfflineSessionClient::stopInjection() {
+ ALOGV("%s: This client doesn't support the injection camera.", __FUNCTION__);
+
+ return OK;
+}
+
// ----------------------------------------------------------------------------
}; // namespace android
diff --git a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.h b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.h
index b219a4c..b5238b8 100644
--- a/services/camera/libcameraservice/api2/CameraOfflineSessionClient.h
+++ b/services/camera/libcameraservice/api2/CameraOfflineSessionClient.h
@@ -98,6 +98,9 @@
void notifyPrepared(int streamId) override;
void notifyRequestQueueEmpty() override;
void notifyRepeatingRequestError(long lastFrameNumber) override;
+ status_t injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) override;
+ status_t stopInjection() override;
private:
mutable Mutex mBinderSerializationLock;
diff --git a/services/camera/libcameraservice/common/Camera2ClientBase.cpp b/services/camera/libcameraservice/common/Camera2ClientBase.cpp
index ce479a1..12c50fb 100644
--- a/services/camera/libcameraservice/common/Camera2ClientBase.cpp
+++ b/services/camera/libcameraservice/common/Camera2ClientBase.cpp
@@ -405,6 +405,17 @@
mRemoteCallback.clear();
}
+template <typename TClientBase>
+status_t Camera2ClientBase<TClientBase>::injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) {
+ return mDevice->injectCamera(injectedCamId, manager);
+}
+
+template <typename TClientBase>
+status_t Camera2ClientBase<TClientBase>::stopInjection() {
+ return mDevice->stopInjection();
+}
+
template class Camera2ClientBase<CameraService::Client>;
template class Camera2ClientBase<CameraDeviceClientBase>;
diff --git a/services/camera/libcameraservice/common/Camera2ClientBase.h b/services/camera/libcameraservice/common/Camera2ClientBase.h
index b3a38a2..2d2a273 100644
--- a/services/camera/libcameraservice/common/Camera2ClientBase.h
+++ b/services/camera/libcameraservice/common/Camera2ClientBase.h
@@ -113,6 +113,10 @@
mutable Mutex mRemoteCallbackLock;
} mSharedCameraCallbacks;
+ status_t injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) override;
+ status_t stopInjection() override;
+
protected:
// The PID provided in the constructor call
diff --git a/services/camera/libcameraservice/common/CameraDeviceBase.h b/services/camera/libcameraservice/common/CameraDeviceBase.h
index 85b0cc2..3c95ed3 100644
--- a/services/camera/libcameraservice/common/CameraDeviceBase.h
+++ b/services/camera/libcameraservice/common/CameraDeviceBase.h
@@ -427,6 +427,18 @@
*/
void setImageDumpMask(int mask) { mImageDumpMask = mask; }
+ /**
+ * The injection camera session to replace the internal camera
+ * session.
+ */
+ virtual status_t injectCamera(const String8& injectedCamId,
+ sp<CameraProviderManager> manager) = 0;
+
+ /**
+ * Stop the injection camera and restore to internal camera session.
+ */
+ virtual status_t stopInjection() = 0;
+
protected:
bool mImageDumpMask = 0;
};