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146 lines
5.1 KiB
146 lines
5.1 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HARDWARE_GOOGLE_CAMERA_HAL_UTILS_UTILS_H_
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#define HARDWARE_GOOGLE_CAMERA_HAL_UTILS_UTILS_H_
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#include <log/log.h>
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#include <utility>
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#include "hal_types.h"
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namespace android {
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namespace google_camera_hal {
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namespace utils {
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bool IsPreviewStream(const Stream& stream);
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bool IsJPEGSnapshotStream(const Stream& stream);
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bool IsVideoStream(const Stream& stream);
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bool IsRawStream(const Stream& stream);
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bool IsInputRawStream(const Stream& stream);
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bool IsArbitraryDataSpaceRawStream(const Stream& stream);
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bool IsYUVSnapshotStream(const Stream& stream);
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bool IsDepthStream(const Stream& stream);
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bool IsOutputZslStream(const Stream& stream);
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bool HasCapability(const HalCameraMetadata* metadata, uint8_t capability);
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status_t GetSensorPhysicalSize(const HalCameraMetadata* characteristics,
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float* width, float* height);
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status_t GetSensorActiveArraySize(const HalCameraMetadata* characteristics,
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Rect* active_array,
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bool maximum_resolution = false);
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status_t GetSensorPixelArraySize(const HalCameraMetadata* characteristics,
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Dimension* pixel_array);
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status_t GetFocalLength(const HalCameraMetadata* characteristics,
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float* focal_length);
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status_t GetZoomRatioRange(const HalCameraMetadata* characteristics,
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ZoomRatioRange* zoom_ratio_range);
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// Return if LiveSnapshot is configured
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bool IsLiveSnapshotConfigured(const StreamConfiguration& stream_config);
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// Return true if max fps is the same at high speed mode
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bool IsHighSpeedModeFpsCompatible(StreamConfigurationMode mode,
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const HalCameraMetadata* old_session,
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const HalCameraMetadata* new_session);
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// This method is for IsReconfigurationRequired purpose
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// Return true if meet any condition below
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// 1. Any session entry count is zero
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// 2. All metadata are the same between old and new session.
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// For ANDROID_CONTROL_AE_TARGET_FPS_RANGE, only compare max fps.
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bool IsSessionParameterCompatible(const HalCameraMetadata* old_session,
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const HalCameraMetadata* new_session);
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bool SupportRealtimeThread();
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status_t SetRealtimeThread(pthread_t thread);
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status_t UpdateThreadSched(pthread_t thread, int32_t policy,
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struct sched_param* param);
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// Map the rectangle to the coordination of HAL.
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void ConvertZoomRatio(float zoom_ratio, const Dimension& active_array_dimension,
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int32_t* left, int32_t* top, int32_t* width,
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int32_t* height);
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// Clamp the coordinate boundary within dimension.
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template <typename T>
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void ClampBoundary(const Dimension& active_array_dimension, T* x, T* y,
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T* width = nullptr, T* height = nullptr) {
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if (x == nullptr || y == nullptr) {
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ALOGE("%s, invalid params", __FUNCTION__);
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return;
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}
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*x = std::clamp(*x, static_cast<T>(0),
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static_cast<T>(active_array_dimension.width - 1));
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*y = std::clamp(*y, static_cast<T>(0),
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static_cast<T>(active_array_dimension.height - 1));
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if (width) {
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*width = std::clamp(*width, static_cast<T>(1),
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static_cast<T>(active_array_dimension.width - *x));
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}
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if (height) {
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*height = std::clamp(*height, static_cast<T>(1),
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static_cast<T>(active_array_dimension.height - *y));
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}
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}
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// Map the position to the coordinate of framework.
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template <typename T>
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void RevertZoomRatio(const float zoom_ratio,
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const Dimension& active_array_dimension,
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const bool round_to_int, T* x, T* y, T* width = nullptr,
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T* height = nullptr) {
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if (x == nullptr || y == nullptr) {
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ALOGE("%s, invalid params", __FUNCTION__);
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return;
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}
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float tmp_x = *x * zoom_ratio -
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0.5f * active_array_dimension.width * (zoom_ratio - 1.0f);
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float tmp_y = *y * zoom_ratio -
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0.5f * active_array_dimension.height * (zoom_ratio - 1.0f);
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if (round_to_int) {
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*x = std::round(tmp_x);
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*y = std::round(tmp_y);
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} else {
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*x = tmp_x;
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*y = tmp_y;
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}
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if (width) {
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*width = std::round(*width * zoom_ratio);
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}
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if (height) {
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*height = std::round(*height * zoom_ratio);
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}
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ClampBoundary(active_array_dimension, x, y, width, height);
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}
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std::vector<std::string> FindLibraryPaths(const char* dir_path);
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} // namespace utils
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} // namespace google_camera_hal
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} // namespace android
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#endif // HARDWARE_GOOGLE_CAMERA_HAL_UTILS_UTILS_H_
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