1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_HDRPLUS_REQUEST_PROCESSOR_H_ 18 #define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_HDRPLUS_REQUEST_PROCESSOR_H_ 19 20 #include "process_block.h" 21 #include "request_processor.h" 22 23 namespace android { 24 namespace google_camera_hal { 25 26 // HdrplusRequestProcessor implements a RequestProcessor that adds 27 // internal raw stream as input stream to request and forwards the request to 28 // its ProcessBlock. 29 class HdrplusRequestProcessor : public RequestProcessor { 30 public: 31 // device_session_hwl is owned by the caller and must be valid during the 32 // lifetime of this HdrplusRequestProcessor. 33 static std::unique_ptr<HdrplusRequestProcessor> Create( 34 CameraDeviceSessionHwl* device_session_hwl, int32_t raw_stream_id, 35 uint32_t physical_camera_id); 36 37 virtual ~HdrplusRequestProcessor() = default; 38 39 // Override functions of RequestProcessor start. 40 status_t ConfigureStreams( 41 InternalStreamManager* internal_stream_manager, 42 const StreamConfiguration& stream_config, 43 StreamConfiguration* process_block_stream_config) override; 44 45 status_t SetProcessBlock(std::unique_ptr<ProcessBlock> process_block) override; 46 47 // Adds internal raw stream as input stream to request and forwards the 48 // request to its ProcessBlock. 49 status_t ProcessRequest(const CaptureRequest& request) override; 50 51 status_t Flush() override; 52 // Override functions of RequestProcessor end. 53 54 protected: HdrplusRequestProcessor(uint32_t physical_camera_id)55 HdrplusRequestProcessor(uint32_t physical_camera_id) 56 : kCameraId(physical_camera_id){}; 57 58 private: 59 // Physical camera ID of request processor. 60 const uint32_t kCameraId; 61 62 status_t Initialize(CameraDeviceSessionHwl* device_session_hwl, 63 int32_t raw_stream_id); 64 bool IsReadyForNextRequest(); 65 // For CTS (android.hardware.camera2.cts.StillCaptureTest#testJpegExif) 66 // Remove JPEG metadata (THUMBNAIL_SIZE, ORIENTATION...) from internal raw 67 // buffer in order to get these metadata from HDR+ capture request directly 68 void RemoveJpegMetadata( 69 std::vector<std::unique_ptr<HalCameraMetadata>>* metadata); 70 std::mutex process_block_lock_; 71 72 // Protected by process_block_lock_. 73 std::unique_ptr<ProcessBlock> process_block_; 74 75 InternalStreamManager* internal_stream_manager_; 76 int32_t raw_stream_id_ = -1; 77 uint32_t active_array_width_ = 0; 78 uint32_t active_array_height_ = 0; 79 // The number of HDR+ input buffers 80 uint32_t payload_frames_ = 0; 81 }; 82 83 } // namespace google_camera_hal 84 } // namespace android 85 86 #endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_HDRPLUS_REQUEST_PROCESSOR_H_ 87