FloatImg4PythonBinding/v4l2/v4l2_pr_structs.c

/*
 *	fonctions pour afficher les structures de V4L2
 */

#include  <stdio.h>

#include  <linux/videodev2.h>

#include  "v4l2_pr_structs.h"

#define		FP	(stdout)

extern int	verbosity;

/* --------------------------------------------------------------------- */
static char *fmttype2str(int type)
{

switch(type) {
	case 0:		return "[zero]";
	case 1:		return "video capture";
	case 2:		return "video output";

	case 13:	return "META capture";
	}

return "???";
}
/* --------------------------------------------------------------------- */
int pr_v4l2_capability(char *txt, struct v4l2_capability *ptr)
{
fprintf(FP, "-- v4l2_capability, %-15s  %p\n", txt, ptr);

fprintf(FP, "   driver        %s\n", ptr->driver);
fprintf(FP, "   card          %s\n", ptr->card);
fprintf(FP, "   bus info      %s\n", ptr->bus_info);

fprintf(FP, "   version       %X\n", ptr->version);
fprintf(FP, "   capabilities  %X\n", ptr->capabilities);
fprintf(FP, "   device caps   %X\n", ptr->device_caps);

return -1;
}
/* --------------------------------------------------------------------- */
int pr_v4l2_format(char *txt, struct v4l2_format *ptr)
{
fprintf(FP, "-- v4l2_format, %-15s  %p\n", txt, ptr);
fprintf(FP, "   type %d   %s\n", ptr->type,/* enum v4l2_buf_type */
			fmttype2str(ptr->type));

switch(ptr->type) {

	case 1:		// fputs("   Capture\n", FP);
			fprintf(FP, "   dims     %dx%d\n",
					ptr->fmt.pix.width,
					ptr->fmt.pix.height);
			break;

	default:	fprintf(FP, "type is %d\n", ptr->type);
			break;
	
	}

fputs(".\n", FP);
return 0;
}
/* --------------------------------------------------------------------- */
int pr_v4l2_requestbuffers(char *txt, struct v4l2_requestbuffers *ptr)
{
fprintf(FP, "-- v4l2_requestbuffers, %s %p\n", txt, ptr);
fprintf(FP, "   type %d\n", ptr->type);		/* enum v4l2_buf_type */


return 0;
}
/* --------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */