--- /dev/null
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Contains implementation of a class EmulatedCamera that encapsulates
+ * functionality common to all version 3.0 emulated camera devices. Instances
+ * of this class (for each emulated camera) are created during the construction
+ * of the EmulatedCameraFactory instance. This class serves as an entry point
+ * for all camera API calls that defined by camera3_device_ops_t API.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "EmulatedCamera3_Camera"
+#include <cutils/log.h>
+
+#include "EmulatedCamera3.h"
+#include "system/camera_metadata.h"
+
+namespace android {
+
+/**
+ * Constructs EmulatedCamera3 instance.
+ * Param:
+ * cameraId - Zero based camera identifier, which is an index of the camera
+ * instance in camera factory's array.
+ * module - Emulated camera HAL module descriptor.
+ */
+EmulatedCamera3::EmulatedCamera3(int cameraId,
+ struct hw_module_t* module):
+ EmulatedBaseCamera(cameraId,
+ CAMERA_DEVICE_API_VERSION_3_3,
+ &common,
+ module),
+ mStatus(STATUS_ERROR)
+{
+ common.close = EmulatedCamera3::close;
+ ops = &sDeviceOps;
+
+ mCallbackOps = NULL;
+
+}
+
+/* Destructs EmulatedCamera3 instance. */
+EmulatedCamera3::~EmulatedCamera3() {
+}
+
+/****************************************************************************
+ * Abstract API
+ ***************************************************************************/
+
+/****************************************************************************
+ * Public API
+ ***************************************************************************/
+
+status_t EmulatedCamera3::Initialize() {
+ ALOGV("%s", __FUNCTION__);
+
+ mStatus = STATUS_CLOSED;
+ return NO_ERROR;
+}
+
+/****************************************************************************
+ * Camera API implementation
+ ***************************************************************************/
+
+status_t EmulatedCamera3::connectCamera(hw_device_t** device) {
+ ALOGV("%s", __FUNCTION__);
+ if (device == NULL) return BAD_VALUE;
+
+ if (mStatus != STATUS_CLOSED) {
+ ALOGE("%s: Trying to open a camera in state %d!",
+ __FUNCTION__, mStatus);
+ return INVALID_OPERATION;
+ }
+
+ *device = &common;
+ mStatus = STATUS_OPEN;
+ return NO_ERROR;
+}
+
+status_t EmulatedCamera3::closeCamera() {
+ mStatus = STATUS_CLOSED;
+ return NO_ERROR;
+}
+
+status_t EmulatedCamera3::getCameraInfo(struct camera_info* info) {
+ return EmulatedBaseCamera::getCameraInfo(info);
+}
+
+/****************************************************************************
+ * Camera Device API implementation.
+ * These methods are called from the camera API callback routines.
+ ***************************************************************************/
+
+status_t EmulatedCamera3::initializeDevice(
+ const camera3_callback_ops *callbackOps) {
+ if (callbackOps == NULL) {
+ ALOGE("%s: NULL callback ops provided to HAL!",
+ __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ if (mStatus != STATUS_OPEN) {
+ ALOGE("%s: Trying to initialize a camera in state %d!",
+ __FUNCTION__, mStatus);
+ return INVALID_OPERATION;
+ }
+
+ mCallbackOps = callbackOps;
+ mStatus = STATUS_READY;
+
+ return NO_ERROR;
+}
+
+status_t EmulatedCamera3::configureStreams(
+ camera3_stream_configuration *streamList) {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return INVALID_OPERATION;
+}
+
+status_t EmulatedCamera3::registerStreamBuffers(
+ const camera3_stream_buffer_set *bufferSet) {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return INVALID_OPERATION;
+}
+
+const camera_metadata_t* EmulatedCamera3::constructDefaultRequestSettings(
+ int type) {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return NULL;
+}
+
+status_t EmulatedCamera3::processCaptureRequest(
+ camera3_capture_request *request) {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return INVALID_OPERATION;
+}
+
+status_t EmulatedCamera3::flush() {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return INVALID_OPERATION;
+}
+
+/** Debug methods */
+
+void EmulatedCamera3::dump(int fd) {
+ ALOGE("%s: Not implemented", __FUNCTION__);
+ return;
+}
+
+/****************************************************************************
+ * Protected API. Callbacks to the framework.
+ ***************************************************************************/
+
+void EmulatedCamera3::sendCaptureResult(camera3_capture_result_t *result) {
+ mCallbackOps->process_capture_result(mCallbackOps, result);
+}
+
+void EmulatedCamera3::sendNotify(camera3_notify_msg_t *msg) {
+ mCallbackOps->notify(mCallbackOps, msg);
+}
+
+/****************************************************************************
+ * Private API.
+ ***************************************************************************/
+
+/****************************************************************************
+ * Camera API callbacks as defined by camera3_device_ops structure. See
+ * hardware/libhardware/include/hardware/camera3.h for information on each
+ * of these callbacks. Implemented in this class, these callbacks simply
+ * dispatch the call into an instance of EmulatedCamera3 class defined by the
+ * 'camera_device3' parameter, or set a member value in the same.
+ ***************************************************************************/
+
+EmulatedCamera3* getInstance(const camera3_device_t *d) {
+ const EmulatedCamera3* cec = static_cast<const EmulatedCamera3*>(d);
+ return const_cast<EmulatedCamera3*>(cec);
+}
+
+int EmulatedCamera3::initialize(const struct camera3_device *d,
+ const camera3_callback_ops_t *callback_ops) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->initializeDevice(callback_ops);
+}
+
+int EmulatedCamera3::configure_streams(const struct camera3_device *d,
+ camera3_stream_configuration_t *stream_list) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->configureStreams(stream_list);
+}
+
+int EmulatedCamera3::register_stream_buffers(
+ const struct camera3_device *d,
+ const camera3_stream_buffer_set_t *buffer_set) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->registerStreamBuffers(buffer_set);
+}
+
+int EmulatedCamera3::process_capture_request(
+ const struct camera3_device *d,
+ camera3_capture_request_t *request) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->processCaptureRequest(request);
+}
+
+const camera_metadata_t* EmulatedCamera3::construct_default_request_settings(
+ const camera3_device_t *d, int type) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->constructDefaultRequestSettings(type);
+}
+
+void EmulatedCamera3::dump(const camera3_device_t *d, int fd) {
+ EmulatedCamera3* ec = getInstance(d);
+ ec->dump(fd);
+}
+
+int EmulatedCamera3::flush(const camera3_device_t *d) {
+ EmulatedCamera3* ec = getInstance(d);
+ return ec->flush();
+}
+
+int EmulatedCamera3::close(struct hw_device_t* device) {
+ EmulatedCamera3* ec =
+ static_cast<EmulatedCamera3*>(
+ reinterpret_cast<camera3_device_t*>(device) );
+ if (ec == NULL) {
+ ALOGE("%s: Unexpected NULL camera3 device", __FUNCTION__);
+ return BAD_VALUE;
+ }
+ return ec->closeCamera();
+}
+
+camera3_device_ops_t EmulatedCamera3::sDeviceOps = {
+ EmulatedCamera3::initialize,
+ EmulatedCamera3::configure_streams,
+ /* DEPRECATED: register_stream_buffers */ nullptr,
+ EmulatedCamera3::construct_default_request_settings,
+ EmulatedCamera3::process_capture_request,
+ /* DEPRECATED: get_metadata_vendor_tag_ops */ nullptr,
+ EmulatedCamera3::dump,
+ EmulatedCamera3::flush
+};
+
+const char* EmulatedCamera3::sAvailableCapabilitiesStrings[NUM_CAPABILITIES] = {
+ "BACKWARD_COMPATIBLE",
+ "MANUAL_SENSOR",
+ "MANUAL_POST_PROCESSING",
+ "RAW",
+ "PRIVATE_REPROCESSING",
+ "READ_SENSOR_SETTINGS",
+ "BURST_CAPTURE",
+ "YUV_REPROCESSING",
+ "DEPTH_OUTPUT",
+ "CONSTRAINED_HIGH_SPEED_VIDEO",
+ "FULL_LEVEL"
+};
+
+}; /* namespace android */
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