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_REALTIME_ZSL_REQUEST_PROCESSOR_H_ 18 #define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_ZSL_REQUEST_PROCESSOR_H_ 19 20 #include "process_block.h" 21 #include "request_processor.h" 22 #include "vendor_tag_types.h" 23 24 namespace android { 25 namespace google_camera_hal { 26 27 // RealtimeZslRequestProcessor implements a RequestProcessor that adds 28 // internal raw stream to request and forwards the request to its ProcessBlock. 29 class RealtimeZslRequestProcessor : public RequestProcessor { 30 public: 31 // device_session_hwl is owned by the caller and must be valid during the 32 // lifetime of this RealtimeZslRequestProcessor. 33 static std::unique_ptr<RealtimeZslRequestProcessor> Create( 34 CameraDeviceSessionHwl* device_session_hwl); 35 36 virtual ~RealtimeZslRequestProcessor() = default; 37 38 // Override functions of RequestProcessor start. 39 // RealtimeZslRequestProcessor will configure all streams in stream_config. 40 // And register one internal raw stream 41 status_t ConfigureStreams( 42 InternalStreamManager* internal_stream_manager, 43 const StreamConfiguration& stream_config, 44 StreamConfiguration* process_block_stream_config) override; 45 46 // Set the realtime process block for sending requests later. 47 status_t SetProcessBlock(std::unique_ptr<ProcessBlock> process_block) override; 48 49 // Add one additional RAW output to capture request 50 // And forwards the capture request to realtime process 51 status_t ProcessRequest(const CaptureRequest& request) override; 52 53 status_t Flush() override; 54 // Override functions of RequestProcessor end. 55 56 protected: 57 RealtimeZslRequestProcessor() = default; 58 59 private: 60 status_t Initialize(CameraDeviceSessionHwl* device_session_hwl); 61 std::mutex process_block_lock_; 62 63 // Protected by process_block_lock_. 64 std::unique_ptr<ProcessBlock> process_block_; 65 66 InternalStreamManager* internal_stream_manager_; 67 bool preview_intent_seen_ = false; 68 int32_t raw_stream_id_ = -1; 69 uint32_t active_array_width_ = 0; 70 uint32_t active_array_height_ = 0; 71 72 HdrMode hdr_mode_ = HdrMode::kHdrplusMode; 73 74 // If HDR+ ZSL is enabled. 75 bool is_hdrplus_zsl_enabled_ = true; 76 }; 77 78 } // namespace google_camera_hal 79 } // namespace android 80 81 #endif // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_REALTIME_ZSL_REQUEST_PROCESSOR_H_ 82