android_device_lenovo_karate/camera/QCamera2/util/QCameraQueue.h
Vitaliy Tomin 880b26ccee land: import oss camera LA.UM.5.1-03810-8x37.0
additional cherry-picks:
 * b706b064b QCamera2: Fix compilation errors for unused variables.
 * 1e2ea589e HAL: Fixed compilation error for AOSP upgrade
2017-12-11 20:14:21 +05:30

79 lines
2.9 KiB
C++

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