880b26ccee
additional cherry-picks: * b706b064b QCamera2: Fix compilation errors for unused variables. * 1e2ea589e HAL: Fixed compilation error for AOSP upgrade
79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __QCAMERA_QUEUE_H__
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#define __QCAMERA_QUEUE_H__
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// System dependencies
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#include <pthread.h>
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// Camera dependencies
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#include "cam_list.h"
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namespace qcamera {
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typedef bool (*match_fn_data)(void *data, void *user_data, void *match_data);
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typedef void (*release_data_fn)(void* data, void *user_data);
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typedef bool (*match_fn)(void *data, void *user_data);
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class QCameraQueue {
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public:
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QCameraQueue();
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QCameraQueue(release_data_fn data_rel_fn, void *user_data);
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virtual ~QCameraQueue();
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void init();
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bool enqueue(void *data);
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bool enqueueWithPriority(void *data);
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/* This call will put queue into uninitialized state.
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* Need to call init() in order to use the queue again */
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void flush();
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void flushNodes(match_fn match);
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void flushNodes(match_fn_data match, void *spec_data);
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void* dequeue(bool bFromHead = true);
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void* dequeue(match_fn_data match, void *spec_data);
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void* peek();
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bool isEmpty();
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int getCurrentSize() {return m_size;}
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private:
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typedef struct {
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struct cam_list list;
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void* data;
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} camera_q_node;
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camera_q_node m_head; // dummy head
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int m_size;
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bool m_active;
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pthread_mutex_t m_lock;
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release_data_fn m_dataFn;
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void * m_userData;
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};
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}; // namespace qcamera
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#endif /* __QCAMERA_QUEUE_H__ */
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