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72 lines
1.3 KiB
72 lines
1.3 KiB
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#ifndef _H_VIDEODEV_V4L2_H_
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#define _H_VIDEODEV_V4L2_H_
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <getopt.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/mman.h>
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#include <linux/videodev2.h>
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#include <list>
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#include <string>
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#include "convert.h"
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#include "gui.h"
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#include "videodev.h"
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enum {
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IOMODE_READ,
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IOMODE_MMAP
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};
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#define VDEV_INBUFFERS 3
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class VideoDev_V4L2: public VideoDev {
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private:
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int io; // IO Mode
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int fd;
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int inbuffer_idx;
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VideoInBuffer inbuffer[VDEV_INBUFFERS];
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struct v4l2_cropcap cropcap;
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struct v4l2_crop crop;
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struct v4l2_format fmt;
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int Grab(VideoFrameRaw *vf);
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int Open();
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int Close();
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int CaptureStart();
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int CaptureStop();
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int SetDevCtrl(unsigned int id, int value);
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int GetDevCtrl(unsigned int id, int *value);
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int InitMMap();
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int UnInit();
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void PrintCaps(uint32_t caps);
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void PrintFmt (struct v4l2_format *f);
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int xioctl(int fd, int request, void *arg);
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public:
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VideoDev_V4L2();
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~VideoDev_V4L2();
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int GetDeviceList(std::list<std::string> *list);
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int GetDeviceFormats(string device, std::list<string> *formats);
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int GetDeviceResolutions(string device, std::list<string> *formats) { return VDEV_STATUS_OK; };
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};
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#endif
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