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115 lines
2.9 KiB
115 lines
2.9 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 HW_EMULATOR_CAMERA_JPEG_H
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#define HW_EMULATOR_CAMERA_JPEG_H
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#include <hwl_types.h>
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#include <condition_variable>
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#include <mutex>
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#include <queue>
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#include <thread>
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#include "Base.h"
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#include "HandleImporter.h"
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extern "C" {
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#include <jpeglib.h>
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}
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#include "utils/ExifUtils.h"
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namespace android {
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using android::hardware::camera::common::V1_0::helper::HandleImporter;
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using google_camera_hal::BufferStatus;
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using google_camera_hal::HwlPipelineCallback;
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using google_camera_hal::HwlPipelineResult;
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struct JpegYUV420Input {
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uint32_t width, height;
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bool buffer_owner;
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YCbCrPlanes yuv_planes;
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JpegYUV420Input() : width(0), height(0), buffer_owner(false) {
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}
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~JpegYUV420Input() {
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if ((yuv_planes.img_y != nullptr) && buffer_owner) {
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delete[] yuv_planes.img_y;
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yuv_planes = {};
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}
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}
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JpegYUV420Input(const JpegYUV420Input&) = delete;
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JpegYUV420Input& operator=(const JpegYUV420Input&) = delete;
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};
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struct JpegYUV420Job {
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std::unique_ptr<JpegYUV420Input> input;
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std::unique_ptr<SensorBuffer> output;
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std::unique_ptr<HalCameraMetadata> result_metadata;
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std::unique_ptr<ExifUtils> exif_utils;
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};
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class JpegCompressor {
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public:
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JpegCompressor();
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virtual ~JpegCompressor();
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status_t QueueYUV420(std::unique_ptr<JpegYUV420Job> job);
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private:
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std::mutex mutex_;
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std::condition_variable condition_;
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std::atomic_bool jpeg_done_ = false;
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std::thread jpeg_processing_thread_;
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std::queue<std::unique_ptr<JpegYUV420Job>> pending_yuv_jobs_;
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std::string exif_make_, exif_model_;
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j_common_ptr jpeg_error_info_;
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bool CheckError(const char* msg);
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void CompressYUV420(std::unique_ptr<JpegYUV420Job> job);
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struct YUV420Frame {
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uint8_t* output_buffer;
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size_t output_buffer_size;
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YCbCrPlanes yuv_planes;
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size_t width;
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size_t height;
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const uint8_t* app1_buffer;
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size_t app1_buffer_size;
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};
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size_t CompressYUV420Frame(YUV420Frame frame);
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void ThreadLoop();
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JpegCompressor(const JpegCompressor&) = delete;
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JpegCompressor& operator=(const JpegCompressor&) = delete;
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};
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} // namespace android
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template <>
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struct std::default_delete<jpeg_compress_struct> {
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inline void operator()(jpeg_compress_struct* cinfo) const {
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if (cinfo != nullptr) {
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jpeg_destroy_compress(cinfo);
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delete cinfo;
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}
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}
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};
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#endif
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