#include <libexplain/string_buffer.h>

Functions
void	explain_buffer_v4l2_fmtdesc (explain_string_buffer_t sb, const struct v4l2_fmtdesc data, int extra)
int	explain_v4l2_fmtdesc_get_nformats (int fildes, int type)

Function Documentation

void explain_buffer_v4l2_fmtdesc	(	explain_string_buffer_t *	sb,
		const struct v4l2_fmtdesc *	data,
		int	extra
	)

The explain_buffer_v4l2_fmtdesc function may be used to print a representation of a v4l2_fmtdesc structure.

Parameters:

sb	The string buffer to print into.
data	The v4l2_fmtdesc structure to be printed.
extra	whether or not to also print the returned value fields

int explain_v4l2_fmtdesc_get_nformats	(	int	fildes,
		int	type
	)

The explain_v4l2_fmtdesc_get_nformats function may be used to determine the number of vailable pixel format descriptions.

Parameters:

fildes	The associated file descriptor
type	The type of pixel format of interest

Returns:: >0 the number of formats available, 0 there are no formats available, <0 unable to determine number of available formats

Functions