V4L/DVB: v4l2-common: Move v4l2_find_nearest_format from videodev2.h to v4l2-common.h

This function is an internal API and belongs in v4l2-common.h, not
videodev.h. The return pointer and probe argument should be const as well.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2010-09-30 09:29:37 -03:00 committed by Mauro Carvalho Chehab
parent e3cfd447d0
commit 3fd8e647ea
3 changed files with 14 additions and 11 deletions

View file

@ -677,12 +677,13 @@ int v4l_fill_dv_preset_info(u32 preset, struct v4l2_dv_enum_preset *info)
}
EXPORT_SYMBOL_GPL(v4l_fill_dv_preset_info);
struct v4l2_frmsize_discrete *v4l2_find_nearest_format(struct v4l2_discrete_probe *probe,
s32 width, s32 height)
const struct v4l2_frmsize_discrete *v4l2_find_nearest_format(
const struct v4l2_discrete_probe *probe,
s32 width, s32 height)
{
int i;
u32 error, min_error = UINT_MAX;
struct v4l2_frmsize_discrete *size, *best = NULL;
const struct v4l2_frmsize_discrete *size, *best = NULL;
if (!probe)
return best;

View file

@ -397,14 +397,6 @@ struct v4l2_frmsize_discrete {
__u32 height; /* Frame height [pixel] */
};
struct v4l2_discrete_probe {
const struct v4l2_frmsize_discrete *sizes;
int num_sizes;
};
struct v4l2_frmsize_discrete *v4l2_find_nearest_format(struct v4l2_discrete_probe *probe,
s32 width, s32 height);
struct v4l2_frmsize_stepwise {
__u32 min_width; /* Minimum frame width [pixel] */
__u32 max_width; /* Maximum frame width [pixel] */

View file

@ -232,4 +232,14 @@ void v4l_bound_align_image(unsigned int *w, unsigned int wmin,
unsigned int hmax, unsigned int halign,
unsigned int salign);
int v4l_fill_dv_preset_info(u32 preset, struct v4l2_dv_enum_preset *info);
struct v4l2_discrete_probe {
const struct v4l2_frmsize_discrete *sizes;
int num_sizes;
};
const struct v4l2_frmsize_discrete *v4l2_find_nearest_format(
const struct v4l2_discrete_probe *probe,
s32 width, s32 height);
#endif /* V4L2_COMMON_H_ */