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142 lines
2.8 KiB
142 lines
2.8 KiB
/***************************************************************************************
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*
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* video.h is part of SimpleSkyCam.
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*
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***************************************************************************************/
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#ifndef _VIDEO_H_
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#define _VIDEO_H_
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#include <string>
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#include <list>
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#include <stdint.h>
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#include <jpeglib.h>
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#include <linux/videodev2.h>
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#include <setjmp.h>
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#include "json.h"
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#include "gui.h"
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#include "config.h"
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#include "videoframe.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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enum {
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VDEV_STATUS_UNKNOWN,
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VDEV_STATUS_OK,
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VDEV_STATUS_AGAIN,
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VDEV_STATUS_ERROR
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};
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//
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// jpeg error handling
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//
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struct jpg_error_mgr {
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struct jpeg_error_mgr pub; /* "public" fields */
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jmp_buf setjmp_buffer; /* for return to caller */
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};
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typedef struct jpg_error_mgr *jpg_error_ptr;
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// callback status
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enum {
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VDEV_CBSTATUS_NOTHING = 1,
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VDEV_CBSTATUS_NEWFRAME,
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VDEV_CBSTATUS_ERROR
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};
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struct {
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unsigned int id;
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int min;
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int max;
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int value;
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std::string name;
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} typedef VideoDevCtrl;
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struct {
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unsigned int size;
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unsigned char* data;
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} typedef VideoInBuffer;
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#define VDEV_INBUFFERS 3
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class VideoDev {
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private:
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std::string conf_device;
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std::string conf_devicename;
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gboolean (*callback)(gpointer data);
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int running;
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GMutex mutex;
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GThread *thread;
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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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VideoFrame vf;
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std::list<VideoDevCtrl> vidctrls;
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struct jpg_error_mgr jerr;
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struct jpeg_decompress_struct cinfo;
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int vf_rec;
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int vf_get;
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int io; // IO Mode
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int fd;
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int InitMMap();
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int InitUserPtr();
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int CaptureStart();
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int CaptureStop();
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int UnInit();
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int Convert (VideoFrame *dest, unsigned char *ptrsrc, int srcsize, uint32_t pixelformat, int srcw, int srch);
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int OpenInit ();
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int Close ();
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int Grab(VideoFrame *vf);
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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 xioctl (int fd, int request, void *arg);
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public:
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VideoDev();
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~VideoDev();
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void Thread();
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int Start(std::string dev, gboolean (*callback_func)(gpointer data)); // will start a new thread
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int Stop(); // stop video processing and stop the pthread
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int GetDeviceList(std::list<std::string> *list);
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int GetCtrlList(std::list<std::string> *list);
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int GetCtrlMinMaxValue(std::string name, int *min, int *max, int *value);
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list<VideoDevCtrl> GetCtrlsMinMaxValue();
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int SetCtrlValue(std::string name, int value);
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int IsRunning() { return running; };
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void PrintCaps (uint32_t caps);
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void PrintFmt(struct v4l2_format *f);
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void LockMutex() { g_mutex_lock(&mutex); };
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void UnLockMutex() { g_mutex_unlock(&mutex); };
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std::string GetDevice() { return conf_device; };
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};
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extern VideoDev videodev;
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extern void videoframe_to_pixbuf(GdkPixbuf* dest, VideoFrame *src);
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#endif // _VIDEO_H_
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