--- /dev/null
+/*
+ * Copyright (C) 2012 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 2.0 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 camera2_device_ops_t API.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "EmulatedCamera2_Camera"
+#include <cutils/log.h>
+
+#include "EmulatedCamera2.h"
+#include "system/camera_metadata.h"
+
+namespace android {
+
+/* Constructs EmulatedCamera2 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.
+ */
+EmulatedCamera2::EmulatedCamera2(int cameraId,
+ struct hw_module_t* module):
+ EmulatedBaseCamera(cameraId,
+ CAMERA_DEVICE_API_VERSION_2_0,
+ &common,
+ module)
+{
+ common.close = EmulatedCamera2::close;
+ ops = &sDeviceOps;
+ priv = this;
+
+ mNotifyCb = NULL;
+
+ mRequestQueueSrc = NULL;
+ mFrameQueueDst = NULL;
+
+ mVendorTagOps.get_camera_vendor_section_name =
+ EmulatedCamera2::get_camera_vendor_section_name;
+ mVendorTagOps.get_camera_vendor_tag_name =
+ EmulatedCamera2::get_camera_vendor_tag_name;
+ mVendorTagOps.get_camera_vendor_tag_type =
+ EmulatedCamera2::get_camera_vendor_tag_type;
+ mVendorTagOps.parent = this;
+
+ mStatusPresent = true;
+}
+
+/* Destructs EmulatedCamera2 instance. */
+EmulatedCamera2::~EmulatedCamera2() {
+}
+
+/****************************************************************************
+ * Abstract API
+ ***************************************************************************/
+
+/****************************************************************************
+ * Public API
+ ***************************************************************************/
+
+status_t EmulatedCamera2::Initialize() {
+ return NO_ERROR;
+}
+
+/****************************************************************************
+ * Camera API implementation
+ ***************************************************************************/
+
+status_t EmulatedCamera2::connectCamera(hw_device_t** device) {
+ *device = &common;
+ return NO_ERROR;
+}
+
+status_t EmulatedCamera2::closeCamera() {
+ return NO_ERROR;
+}
+
+status_t EmulatedCamera2::getCameraInfo(struct camera_info* info) {
+ return EmulatedBaseCamera::getCameraInfo(info);
+}
+
+/****************************************************************************
+ * Camera Device API implementation.
+ * These methods are called from the camera API callback routines.
+ ***************************************************************************/
+
+/** Request input queue */
+
+int EmulatedCamera2::requestQueueNotify() {
+ return INVALID_OPERATION;
+}
+
+/** Count of requests in flight */
+int EmulatedCamera2::getInProgressCount() {
+ return INVALID_OPERATION;
+}
+
+/** Cancel all captures in flight */
+int EmulatedCamera2::flushCapturesInProgress() {
+ return INVALID_OPERATION;
+}
+
+/** Construct a default request for a given use case */
+int EmulatedCamera2::constructDefaultRequest(
+ int request_template,
+ camera_metadata_t **request) {
+ return INVALID_OPERATION;
+}
+
+/** Output stream creation and management */
+
+int EmulatedCamera2::allocateStream(
+ uint32_t width,
+ uint32_t height,
+ int format,
+ const camera2_stream_ops_t *stream_ops,
+ uint32_t *stream_id,
+ uint32_t *format_actual,
+ uint32_t *usage,
+ uint32_t *max_buffers) {
+ return INVALID_OPERATION;
+}
+
+int EmulatedCamera2::registerStreamBuffers(
+ uint32_t stream_id,
+ int num_buffers,
+ buffer_handle_t *buffers) {
+ return INVALID_OPERATION;
+}
+
+
+int EmulatedCamera2::releaseStream(uint32_t stream_id) {
+ return INVALID_OPERATION;
+}
+
+/** Reprocessing input stream management */
+
+int EmulatedCamera2::allocateReprocessStream(
+ uint32_t width,
+ uint32_t height,
+ uint32_t format,
+ const camera2_stream_in_ops_t *reprocess_stream_ops,
+ uint32_t *stream_id,
+ uint32_t *consumer_usage,
+ uint32_t *max_buffers) {
+ return INVALID_OPERATION;
+}
+
+int EmulatedCamera2::allocateReprocessStreamFromStream(
+ uint32_t output_stream_id,
+ const camera2_stream_in_ops_t *reprocess_stream_ops,
+ uint32_t *stream_id) {
+ return INVALID_OPERATION;
+}
+
+int EmulatedCamera2::releaseReprocessStream(uint32_t stream_id) {
+ return INVALID_OPERATION;
+}
+
+/** 3A triggering */
+
+int EmulatedCamera2::triggerAction(uint32_t trigger_id,
+ int ext1, int ext2) {
+ return INVALID_OPERATION;
+}
+
+/** Custom tag query methods */
+
+const char* EmulatedCamera2::getVendorSectionName(uint32_t tag) {
+ return NULL;
+}
+
+const char* EmulatedCamera2::getVendorTagName(uint32_t tag) {
+ return NULL;
+}
+
+int EmulatedCamera2::getVendorTagType(uint32_t tag) {
+ return -1;
+}
+
+/** Debug methods */
+
+int EmulatedCamera2::dump(int fd) {
+ return INVALID_OPERATION;
+}
+
+/****************************************************************************
+ * Private API.
+ ***************************************************************************/
+
+/****************************************************************************
+ * Camera API callbacks as defined by camera2_device_ops structure. See
+ * hardware/libhardware/include/hardware/camera2.h for information on each
+ * of these callbacks. Implemented in this class, these callbacks simply
+ * dispatch the call into an instance of EmulatedCamera2 class defined by the
+ * 'camera_device2' parameter, or set a member value in the same.
+ ***************************************************************************/
+
+EmulatedCamera2* getInstance(const camera2_device_t *d) {
+ const EmulatedCamera2* cec = static_cast<const EmulatedCamera2*>(d);
+ return const_cast<EmulatedCamera2*>(cec);
+}
+
+int EmulatedCamera2::set_request_queue_src_ops(const camera2_device_t *d,
+ const camera2_request_queue_src_ops *queue_src_ops) {
+ EmulatedCamera2* ec = getInstance(d);
+ ec->mRequestQueueSrc = queue_src_ops;
+ return NO_ERROR;
+}
+
+int EmulatedCamera2::notify_request_queue_not_empty(const camera2_device_t *d) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->requestQueueNotify();
+}
+
+int EmulatedCamera2::set_frame_queue_dst_ops(const camera2_device_t *d,
+ const camera2_frame_queue_dst_ops *queue_dst_ops) {
+ EmulatedCamera2* ec = getInstance(d);
+ ec->mFrameQueueDst = queue_dst_ops;
+ return NO_ERROR;
+}
+
+int EmulatedCamera2::get_in_progress_count(const camera2_device_t *d) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->getInProgressCount();
+}
+
+int EmulatedCamera2::flush_captures_in_progress(const camera2_device_t *d) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->flushCapturesInProgress();
+}
+
+int EmulatedCamera2::construct_default_request(const camera2_device_t *d,
+ int request_template,
+ camera_metadata_t **request) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->constructDefaultRequest(request_template, request);
+}
+
+int EmulatedCamera2::allocate_stream(const camera2_device_t *d,
+ uint32_t width,
+ uint32_t height,
+ int format,
+ const camera2_stream_ops_t *stream_ops,
+ uint32_t *stream_id,
+ uint32_t *format_actual,
+ uint32_t *usage,
+ uint32_t *max_buffers) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->allocateStream(width, height, format, stream_ops,
+ stream_id, format_actual, usage, max_buffers);
+}
+
+int EmulatedCamera2::register_stream_buffers(const camera2_device_t *d,
+ uint32_t stream_id,
+ int num_buffers,
+ buffer_handle_t *buffers) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->registerStreamBuffers(stream_id,
+ num_buffers,
+ buffers);
+}
+int EmulatedCamera2::release_stream(const camera2_device_t *d,
+ uint32_t stream_id) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->releaseStream(stream_id);
+}
+
+int EmulatedCamera2::allocate_reprocess_stream(const camera2_device_t *d,
+ uint32_t width,
+ uint32_t height,
+ uint32_t format,
+ const camera2_stream_in_ops_t *reprocess_stream_ops,
+ uint32_t *stream_id,
+ uint32_t *consumer_usage,
+ uint32_t *max_buffers) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->allocateReprocessStream(width, height, format,
+ reprocess_stream_ops, stream_id, consumer_usage, max_buffers);
+}
+
+int EmulatedCamera2::allocate_reprocess_stream_from_stream(
+ const camera2_device_t *d,
+ uint32_t output_stream_id,
+ const camera2_stream_in_ops_t *reprocess_stream_ops,
+ uint32_t *stream_id) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->allocateReprocessStreamFromStream(output_stream_id,
+ reprocess_stream_ops, stream_id);
+}
+
+
+int EmulatedCamera2::release_reprocess_stream(const camera2_device_t *d,
+ uint32_t stream_id) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->releaseReprocessStream(stream_id);
+}
+
+int EmulatedCamera2::trigger_action(const camera2_device_t *d,
+ uint32_t trigger_id,
+ int ext1,
+ int ext2) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->triggerAction(trigger_id, ext1, ext2);
+}
+
+int EmulatedCamera2::set_notify_callback(const camera2_device_t *d,
+ camera2_notify_callback notify_cb, void* user) {
+ EmulatedCamera2* ec = getInstance(d);
+ Mutex::Autolock l(ec->mMutex);
+ ec->mNotifyCb = notify_cb;
+ ec->mNotifyUserPtr = user;
+ return NO_ERROR;
+}
+
+int EmulatedCamera2::get_metadata_vendor_tag_ops(const camera2_device_t *d,
+ vendor_tag_query_ops_t **ops) {
+ EmulatedCamera2* ec = getInstance(d);
+ *ops = static_cast<vendor_tag_query_ops_t*>(
+ &ec->mVendorTagOps);
+ return NO_ERROR;
+}
+
+const char* EmulatedCamera2::get_camera_vendor_section_name(
+ const vendor_tag_query_ops_t *v,
+ uint32_t tag) {
+ EmulatedCamera2* ec = static_cast<const TagOps*>(v)->parent;
+ return ec->getVendorSectionName(tag);
+}
+
+const char* EmulatedCamera2::get_camera_vendor_tag_name(
+ const vendor_tag_query_ops_t *v,
+ uint32_t tag) {
+ EmulatedCamera2* ec = static_cast<const TagOps*>(v)->parent;
+ return ec->getVendorTagName(tag);
+}
+
+int EmulatedCamera2::get_camera_vendor_tag_type(
+ const vendor_tag_query_ops_t *v,
+ uint32_t tag) {
+ EmulatedCamera2* ec = static_cast<const TagOps*>(v)->parent;
+ return ec->getVendorTagType(tag);
+}
+
+int EmulatedCamera2::dump(const camera2_device_t *d, int fd) {
+ EmulatedCamera2* ec = getInstance(d);
+ return ec->dump(fd);
+}
+
+int EmulatedCamera2::close(struct hw_device_t* device) {
+ EmulatedCamera2* ec =
+ static_cast<EmulatedCamera2*>(
+ reinterpret_cast<camera2_device_t*>(device) );
+ if (ec == NULL) {
+ ALOGE("%s: Unexpected NULL camera2 device", __FUNCTION__);
+ return -EINVAL;
+ }
+ return ec->closeCamera();
+}
+
+void EmulatedCamera2::sendNotification(int32_t msgType,
+ int32_t ext1, int32_t ext2, int32_t ext3) {
+ camera2_notify_callback notifyCb;
+ {
+ Mutex::Autolock l(mMutex);
+ notifyCb = mNotifyCb;
+ }
+ if (notifyCb != NULL) {
+ notifyCb(msgType, ext1, ext2, ext3, mNotifyUserPtr);
+ }
+}
+
+camera2_device_ops_t EmulatedCamera2::sDeviceOps = {
+ EmulatedCamera2::set_request_queue_src_ops,
+ EmulatedCamera2::notify_request_queue_not_empty,
+ EmulatedCamera2::set_frame_queue_dst_ops,
+ EmulatedCamera2::get_in_progress_count,
+ EmulatedCamera2::flush_captures_in_progress,
+ EmulatedCamera2::construct_default_request,
+ EmulatedCamera2::allocate_stream,
+ EmulatedCamera2::register_stream_buffers,
+ EmulatedCamera2::release_stream,
+ EmulatedCamera2::allocate_reprocess_stream,
+ EmulatedCamera2::allocate_reprocess_stream_from_stream,
+ EmulatedCamera2::release_reprocess_stream,
+ EmulatedCamera2::trigger_action,
+ EmulatedCamera2::set_notify_callback,
+ EmulatedCamera2::get_metadata_vendor_tag_ops,
+ EmulatedCamera2::dump
+};
+
+}; /* namespace android */
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