1 /* Copyright (c) 2012, The Linux Foundataion. All rights reserved.
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29 
30 #ifndef __QCAMERA_CMD_THREAD_H__
31 #define __QCAMERA_CMD_THREAD_H__
32 
33 #include <pthread.h>
34 #include <cam_semaphore.h>
35 
36 #include "cam_types.h"
37 #include "QCameraQueue.h"
38 
39 namespace qcamera {
40 
41 typedef enum
42 {
43     CAMERA_CMD_TYPE_NONE,
44     CAMERA_CMD_TYPE_START_DATA_PROC,
45     CAMERA_CMD_TYPE_STOP_DATA_PROC,
46     CAMERA_CMD_TYPE_DO_NEXT_JOB,
47     CAMERA_CMD_TYPE_EXIT,
48     CAMERA_CMD_TYPE_MAX
49 } camera_cmd_type_t;
50 
51 typedef struct {
52     camera_cmd_type_t cmd;
53 } camera_cmd_t;
54 
55 class QCameraCmdThread {
56 public:
57     QCameraCmdThread();
58     ~QCameraCmdThread();
59 
60     int32_t launch(void *(*start_routine)(void *), void* user_data);
61     int32_t setName(const char* name);
62     int32_t exit();
63     int32_t sendCmd(camera_cmd_type_t cmd, uint8_t sync_cmd, uint8_t priority);
64     camera_cmd_type_t getCmd();
65 
66     QCameraQueue cmd_queue;      /* cmd queue */
67     pthread_t cmd_pid;           /* cmd thread ID */
68     cam_semaphore_t cmd_sem;               /* semaphore for cmd thread */
69     cam_semaphore_t sync_sem;              /* semaphore for synchronized call signal */
70 };
71 
72 }; // namespace qcamera
73 
74 #endif /* __QCAMERA_CMD_THREAD_H__ */
75