frontend.h

LINUX下非常有名的视频采集和显示源代码,直接安装后可以使用,效果很好

int create_frontend(struct Camera*);

static gint configure_event (GtkWidget*, GdkEventConfigure*, struct Camera*);
static gint expose_event (GtkWidget*, GdkEventExpose*, struct Camera*);
void freeze(GtkWidget*, struct Camera*);

void setbrightness(GtkAdjustment*, struct Camera*);
void setwhite(GtkAdjustment*, struct Camera*);
void setcontrast(GtkAdjustment*, struct Camera*);
void sethue(GtkAdjustment*, struct Camera*);
void setcolor(GtkAdjustment*, struct Camera*);
void setsizefull(GtkWidget*, struct Camera*);
void setsizehalf(GtkWidget*, struct Camera*);
void setsizequarter(GtkWidget*, struct Camera*);
void setdepth4(GtkWidget*, struct Camera*);
void setdepth6(GtkWidget*, struct Camera*);

void clearimg(struct Camera*);
void update_controls(struct Camera*);
void dock_controls(GtkWidget*, struct Camera*);
void closedialog(GtkWidget *widget, GtkWidget *dialog);

/*
struct Controls
{
  GtkWidget *outerbox;
  GtkWidget *innerbox;
  GtkWidget *scalebox;
  GtkWidget *sizedepthbox;
  GtkWidget *frame;
  GtkObject *adjbrightness;
  GtkWidget *scalebrightness;
  GtkObject *adjwhite;
  GtkWidget *scalewhite;
  GtkObject *adjcontrast;
  GtkWidget *scalecontrast;
  GtkObject *adjhue;
  GtkWidget *scalehue;
  GtkObject *adjcolor;
  GtkWidget *scalecolor;
  GtkWidget *radiobutton;
  GSList *radiogroup;
  GtkWidget *button;
};
*/