Wind Yuan | 75564b1 | 2015-01-15 06:51:15 -0500 | [diff] [blame] | 1 | /* |
| 2 | * image_processor.h - 3a image processor |
| 3 | * |
| 4 | * Copyright (c) 2014-2015 Intel Corporation |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * |
| 18 | * Author: Wind Yuan <feng.yuan@intel.com> |
| 19 | */ |
| 20 | |
| 21 | #ifndef XCAM_IMAGE_PROCESSOR_H |
| 22 | #define XCAM_IMAGE_PROCESSOR_H |
| 23 | |
Wind Yuan | 75564b1 | 2015-01-15 06:51:15 -0500 | [diff] [blame] | 24 | #include "xcam_utils.h" |
| 25 | #include "video_buffer.h" |
| 26 | #include "x3a_result.h" |
| 27 | #include "smartptr.h" |
| 28 | #include "safe_list.h" |
| 29 | |
| 30 | namespace XCam { |
| 31 | |
| 32 | class ImageProcessor; |
| 33 | |
| 34 | /* callback interface */ |
| 35 | class ImageProcessCallback { |
| 36 | public: |
| 37 | ImageProcessCallback () {} |
| 38 | virtual ~ImageProcessCallback () {} |
| 39 | virtual void process_buffer_done (ImageProcessor *processor, SmartPtr<VideoBuffer> &buf); |
| 40 | virtual void process_buffer_failed (ImageProcessor *processor, SmartPtr<VideoBuffer> &buf); |
| 41 | virtual void process_image_result_done (ImageProcessor *processor, SmartPtr<X3aResult> &result); |
| 42 | |
| 43 | private: |
| 44 | XCAM_DEAD_COPY (ImageProcessCallback); |
| 45 | }; |
| 46 | |
| 47 | class ImageProcessorThread; |
| 48 | |
| 49 | /* base class, ImageProcessor */ |
| 50 | class ImageProcessor |
| 51 | { |
| 52 | friend class ImageProcessorThread; |
| 53 | |
| 54 | typedef SafeList<VideoBuffer> VideoBufQueue; |
| 55 | |
| 56 | public: |
| 57 | explicit ImageProcessor (const char* name); |
| 58 | virtual ~ImageProcessor (); |
| 59 | |
| 60 | const char *get_name () const { |
| 61 | return _name; |
| 62 | } |
| 63 | |
| 64 | bool set_callback (ImageProcessCallback *callback); |
| 65 | XCamReturn start(); |
| 66 | XCamReturn stop (); |
| 67 | |
| 68 | XCamReturn push_buffer (SmartPtr<VideoBuffer> &buf); |
| 69 | XCamReturn push_3a_results (X3aResultList &results); |
| 70 | XCamReturn push_3a_result (SmartPtr<X3aResult> &result); |
| 71 | |
| 72 | protected: |
| 73 | virtual bool can_process_result (SmartPtr<X3aResult> &result) = 0; |
| 74 | virtual XCamReturn apply_3a_results (X3aResultList &results) = 0; |
| 75 | virtual XCamReturn apply_3a_result (SmartPtr<X3aResult> &result) = 0; |
| 76 | // buffer runs in another thread |
| 77 | virtual XCamReturn process_buffer(SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output) = 0; |
| 78 | |
| 79 | private: |
| 80 | void filter_valid_results (X3aResultList &input, X3aResultList &valid_results); |
| 81 | XCamReturn buffer_process_loop (); |
| 82 | |
| 83 | private: |
| 84 | XCAM_DEAD_COPY (ImageProcessor); |
| 85 | |
| 86 | protected: |
| 87 | char *_name; |
| 88 | ImageProcessCallback *_callback; |
| 89 | SmartPtr<ImageProcessorThread> _processor_thread; |
| 90 | VideoBufQueue _video_buf_queue; |
| 91 | }; |
| 92 | |
| 93 | }; |
| 94 | |
| 95 | #endif //XCAM_IMAGE_PROCESSOR_H |