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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_STREAM_CONFIGURATION_MAP_H_
#define EMULATOR_STREAM_CONFIGURATION_MAP_H_
#include <memory>
#include <set>
#include <unordered_map>
#include "hwl_types.h"
#include "system/camera_metadata.h"
#include "utils/Timers.h"
namespace android {
using google_camera_hal::HalCameraMetadata;
typedef std::pair<uint32_t, uint32_t> StreamSize;
typedef std::pair<android_pixel_format_t, StreamSize> StreamConfig;
inline bool operator==(const StreamConfig& lhs, const StreamConfig& rhs) {
return (std::get<0>(lhs) == std::get<0>(rhs)) &&
(std::get<1>(lhs).first == std::get<1>(rhs).first) &&
(std::get<1>(lhs).second == std::get<1>(rhs).second);
}
struct StreamConfigurationHash {
inline std::size_t operator()(const StreamConfig& entry) const {
size_t result = 1;
size_t hashValue = 31;
result = hashValue * result +
std::hash<android_pixel_format_t>{}(std::get<0>(entry));
result =
hashValue * result + std::hash<uint32_t>{}(std::get<1>(entry).first);
result =
hashValue * result + std::hash<uint32_t>{}(std::get<1>(entry).second);
return result;
}
};
class StreamConfigurationMap {
public:
StreamConfigurationMap(const HalCameraMetadata& chars,
bool maxResolution = false);
const std::set<android_pixel_format_t>& GetOutputFormats() const {
return stream_output_formats_;
}
const std::set<StreamSize>& GetOutputSizes(android_pixel_format_t format) {
return stream_output_size_map_[format];
}
const std::set<android_pixel_format_t>& GetDynamicPhysicalStreamOutputFormats()
const {
return dynamic_physical_stream_output_formats_;
}
const std::set<StreamSize>& GetDynamicPhysicalStreamOutputSizes(
android_pixel_format_t format) {
return dynamic_physical_stream_output_size_map_[format];
}
nsecs_t GetOutputMinFrameDuration(StreamConfig configuration) const {
auto ret = stream_min_duration_map_.find(configuration);
return (ret == stream_min_duration_map_.end()) ? 0 : ret->second;
}
nsecs_t GetOutputStallDuration(StreamConfig configuration) const {
auto ret = stream_stall_map_.find(configuration);
return (ret == stream_stall_map_.end()) ? 0 : ret->second;
}
bool SupportsReprocessing() const {
return !stream_input_output_map_.empty();
}
const std::set<android_pixel_format_t>& GetValidOutputFormatsForInput(
android_pixel_format_t format) {
return stream_input_output_map_[format];
}
const std::set<android_pixel_format_t>& GetInputFormats() {
return stream_input_formats_;
}
private:
void AppendAvailableStreamConfigurations(const camera_metadata_ro_entry& entry);
void AppendAvailableDynamicPhysicalStreamConfigurations(
const camera_metadata_ro_entry& entry);
void AppendAvailableStreamMinDurations(const camera_metadata_ro_entry_t& entry);
void AppendAvailableStreamStallDurations(const camera_metadata_ro_entry& entry);
const size_t kStreamFormatOffset = 0;
const size_t kStreamWidthOffset = 1;
const size_t kStreamHeightOffset = 2;
const size_t kStreamIsInputOffset = 3;
const size_t kStreamMinDurationOffset = 3;
const size_t kStreamStallDurationOffset = 3;
const size_t kStreamConfigurationSize = 4;
std::set<android_pixel_format_t> stream_output_formats_;
std::unordered_map<android_pixel_format_t, std::set<StreamSize>>
stream_output_size_map_;
std::unordered_map<StreamConfig, nsecs_t, StreamConfigurationHash>
stream_stall_map_;
std::unordered_map<StreamConfig, nsecs_t, StreamConfigurationHash>
stream_min_duration_map_;
std::set<android_pixel_format_t> stream_input_formats_;
std::unordered_map<android_pixel_format_t, std::set<android_pixel_format_t>>
stream_input_output_map_;
std::set<android_pixel_format_t> dynamic_physical_stream_output_formats_;
std::unordered_map<android_pixel_format_t, std::set<StreamSize>>
dynamic_physical_stream_output_size_map_;
};
typedef std::unordered_map<uint32_t, std::unique_ptr<StreamConfigurationMap>>
PhysicalStreamConfigurationMap;
} // namespace android
#endif // EMULATOR_STREAM_CONFIGURATION_MAP_H_
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