/*
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* cl_image_processor.h - CL image processor
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*
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* Copyright (c) 2015 Intel Corporation
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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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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_CL_IMAGE_PROCESSOR_H
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#define XCAM_CL_IMAGE_PROCESSOR_H
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#include <xcam_std.h>
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#include <image_processor.h>
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#include <ocl/priority_buffer_queue.h>
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#include <list>
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namespace XCam {
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class CLImageHandler;
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class CLContext;
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class CLHandlerThread;
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class CLBufferNotifyThread;
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class CLImageProcessor
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: public ImageProcessor
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{
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public:
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typedef std::list<SmartPtr<CLImageHandler>> ImageHandlerList;
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typedef std::list<SmartPtr<PriorityBuffer>> UnsafePriorityBufferList;
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friend class CLHandlerThread;
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friend class CLBufferNotifyThread;
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public:
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explicit CLImageProcessor (const char* name = NULL);
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virtual ~CLImageProcessor ();
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void keep_attached_buf (bool flag);
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bool add_handler (SmartPtr<CLImageHandler> &handler);
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ImageHandlerList::iterator handlers_begin ();
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ImageHandlerList::iterator handlers_end ();
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protected:
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//derive from ImageProcessor
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virtual bool can_process_result (SmartPtr<X3aResult> &result);
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virtual XCamReturn apply_3a_results (X3aResultList &results);
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virtual XCamReturn apply_3a_result (SmartPtr<X3aResult> &result);
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virtual XCamReturn process_buffer (SmartPtr<VideoBuffer> &input, SmartPtr<VideoBuffer> &output);
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virtual XCamReturn emit_start ();
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virtual void emit_stop ();
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SmartPtr<CLContext> get_cl_context ();
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private:
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virtual XCamReturn create_handlers ();
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XCamReturn process_cl_buffer_queue ();
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XCamReturn process_done_buffer ();
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uint32_t check_ready_buffers ();
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XCAM_DEAD_COPY (CLImageProcessor);
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protected:
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// STREAM_LOCK only used in class derived from CLImageProcessor
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#define STREAM_LOCK SmartLock stream_lock (this->_stream_mutex)
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// stream lock
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Mutex _stream_mutex;
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private:
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SmartPtr<CLContext> _context;
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ImageHandlerList _handlers;
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SmartPtr<CLHandlerThread> _handler_thread;
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PriorityBufferQueue _process_buffer_queue;
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UnsafePriorityBufferList _not_ready_buffers;
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SmartPtr<CLBufferNotifyThread> _done_buf_thread;
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SafeList<VideoBuffer> _done_buffer_queue;
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uint32_t _seq_num;
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bool _keep_attached_buffer; //default false
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XCAM_OBJ_PROFILING_DEFINES;
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};
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};
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#endif //XCAM_CL_IMAGE_PROCESSOR_H
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