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/*
* Copyright (C) 2019 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.
*/
#ifndef EMULATOR_CAMERA_HAL_LOGICAL_REQUEST_STATE_H
#define EMULATOR_CAMERA_HAL_LOGICAL_REQUEST_STATE_H
#include "EmulatedRequestState.h"
#include "hwl_types.h"
#include "utils/HWLUtils.h"
namespace android {
using google_camera_hal::HalCameraMetadata;
using google_camera_hal::HalStream;
using google_camera_hal::HwlPipelineCallback;
struct EmulatedStream : public HalStream {
uint32_t width, height;
size_t buffer_size;
bool is_input;
int32_t group_id;
};
struct EmulatedPipeline {
HwlPipelineCallback cb;
// stream id -> stream map
std::unordered_map<uint32_t, EmulatedStream> streams;
uint32_t physical_camera_id, pipeline_id;
};
// [physical_camera_id -> [group_id -> stream_id]]
typedef std::map<uint32_t, std::map<uint32_t, int32_t>> DynamicStreamIdMapType;
// Info keeping track of mapping between zoom ratio range, focal length, and
// physical camera Id.
struct ZoomRatioPhysicalCameraInfo {
float focal_length;
float min_zoom_ratio;
float max_zoom_ratio;
uint32_t physical_camera_id;
};
class EmulatedLogicalRequestState {
public:
EmulatedLogicalRequestState(uint32_t camera_id);
virtual ~EmulatedLogicalRequestState();
status_t Initialize(std::unique_ptr<HalCameraMetadata> static_meta,
PhysicalDeviceMapPtr physical_device_map);
status_t GetDefaultRequest(
RequestTemplate type,
std::unique_ptr<HalCameraMetadata>* default_settings /*out*/);
std::unique_ptr<HwlPipelineResult> InitializeLogicalResult(
uint32_t pipeline_id, uint32_t frame_number);
status_t InitializeLogicalSettings(
std::unique_ptr<HalCameraMetadata> request_settings,
std::unique_ptr<std::set<uint32_t>> physical_camera_output_ids,
EmulatedSensor::LogicalCameraSettings* logical_settings /*out*/);
static std::unique_ptr<HalCameraMetadata> AdaptLogicalCharacteristics(
std::unique_ptr<HalCameraMetadata> logical_chars,
PhysicalDeviceMapPtr physical_devices);
status_t UpdateRequestForDynamicStreams(
HwlPipelineRequest* request,
const std::vector<EmulatedPipeline>& pipelines,
const DynamicStreamIdMapType& dynamic_stream_id_map_type,
bool use_default_physical_camera);
private:
uint32_t logical_camera_id_ = 0;
std::unique_ptr<EmulatedRequestState> logical_request_state_;
bool is_logical_device_ = false;
std::unique_ptr<std::set<uint32_t>> physical_camera_output_ids_;
PhysicalDeviceMapPtr physical_device_map_;
// Maps a physical device id to its respective request state
std::unordered_map<uint32_t, std::unique_ptr<EmulatedRequestState>>
physical_request_states_;
// Describes the mapping between particular zoom ratio boundary value and
// physical device id. The vector is sorted by ascending zoom ratios.
std::vector<ZoomRatioPhysicalCameraInfo> zoom_ratio_physical_camera_info_;
uint32_t current_physical_camera_ = 0;
static std::vector<ZoomRatioPhysicalCameraInfo> GetZoomRatioPhysicalCameraInfo(
const HalCameraMetadata* logical_chars,
const PhysicalDeviceMap* physical_devices);
static void UpdateActivePhysicalId(HalCameraMetadata* result_metadata,
uint32_t device_id);
EmulatedLogicalRequestState(const EmulatedLogicalRequestState&) = delete;
EmulatedLogicalRequestState& operator=(const EmulatedLogicalRequestState&) =
delete;
};
} // namespace android
#endif // EMULATOR_CAMERA_HAL_LOGICAL_REQUEST_STATE_H