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11 // For Open Source Computer Vision Library
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42 #ifndef __ICVVIDEO_H__
43 #define __ICVVIDEO_H__
50 #include "cvvidtypes.h"
56 /* main video cycle for single camera*/
57 void* icvVideoCaptureProc(void* arg);
59 int icvVideoPauseCamera(int camera);
61 int icvVideoResumeCamera(int camera);
63 int icvVideoInit(int CurrentCamera);
65 int icvVideoStart(int camera);
67 int icvVideoStop(int camera);
69 /* returns depth in bits, 0 for unsupported formats */
70 int icvVideoFormat2Depth(int format);
72 /* Initializes most fields of CvVideoCamera struct */
73 int icvVideoSetDefaultValues(int camera, int device, int channel,
74 struct video_capability VidCap);
76 #define IF_GETTING_PROPERTY(someproperty) if(!strcmp(someproperty,property))
77 #define IF_SETTING_PROPERTY(someproperty) if(!strcmp(someproperty,property))
88 pthread_mutex_t ioctlmutex; /* protects access to the unix device for that camera */
93 pthread_mutex_t pausemutex; /* to pause acquisition */
94 pthread_mutex_t capturestatemutex; /* protects the capturestate and renderstate fields (used in capture, main and render threads) */
95 pthread_cond_t capturestatecond;
96 volatile int capturestate; /* State of main loop for camera can be CAPTURING,
97 STOPPING, FINISHED or READY */
98 volatile int renderstate; /*non zero if rendering loop exists*/
99 void (*callback)(IplImage* frame);
100 CameraDescription description;
102 struct video_mmap vid_mmap;
103 struct video_mbuf mbuf;
105 __u16 imagepalette; /* output image palette */
106 pthread_rwlock_t *framelock; /* protect each frame (1 rwlock per frame)*/
107 pthread_mutex_t lastframemutex; /* protects frame number */
108 volatile int lastframe;
109 pthread_cond_t updatedcond;
110 pthread_mutex_t updatedmutex;
126 #endif //__ICVVIDEO_H__