cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
return -EINVAL;
- *cap = bttv_tvnorms[btv->tvnorm].cropcap;
+ /* defrect and bounds are set via g_selection */
+ cap->pixelaspect = bttv_tvnorms[btv->tvnorm].cropcap.pixelaspect;
return 0;
}
-static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
+static int bttv_g_selection(struct file *file, void *f, struct v4l2_selection *sel)
{
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
return -EINVAL;
- /* No fh->do_crop = 1; because btv->crop[1] may be
- inconsistent with fh->width or fh->height and apps
- do not expect a change here. */
-
- crop->c = btv->crop[!!fh->do_crop].rect;
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP:
+ /*
+ * No fh->do_crop = 1; because btv->crop[1] may be
+ * inconsistent with fh->width or fh->height and apps
+ * do not expect a change here.
+ */
+ sel->r = btv->crop[!!fh->do_crop].rect;
+ break;
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ sel->r = bttv_tvnorms[btv->tvnorm].cropcap.defrect;
+ break;
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r = bttv_tvnorms[btv->tvnorm].cropcap.bounds;
+ break;
+ default:
+ return -EINVAL;
+ }
return 0;
}
-static int bttv_s_crop(struct file *file, void *f, const struct v4l2_crop *crop)
+static int bttv_s_selection(struct file *file, void *f, struct v4l2_selection *sel)
{
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
__s32 b_right;
__s32 b_bottom;
- if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
- crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ sel->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
+ return -EINVAL;
+
+ if (sel->target != V4L2_SEL_TGT_CROP)
return -EINVAL;
/* Make sure tvnorm, vbi_end and the current cropping
}
/* Min. scaled size 48 x 32. */
- c.rect.left = clamp_t(s32, crop->c.left, b_left, b_right - 48);
+ c.rect.left = clamp_t(s32, sel->r.left, b_left, b_right - 48);
c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
- c.rect.width = clamp_t(s32, crop->c.width,
+ c.rect.width = clamp_t(s32, sel->r.width,
48, b_right - c.rect.left);
- c.rect.top = clamp_t(s32, crop->c.top, b_top, b_bottom - 32);
+ c.rect.top = clamp_t(s32, sel->r.top, b_top, b_bottom - 32);
/* Top and height must be a multiple of two. */
c.rect.top = (c.rect.top + 1) & ~1;
- c.rect.height = clamp_t(s32, crop->c.height,
+ c.rect.height = clamp_t(s32, sel->r.height,
32, b_bottom - c.rect.top);
c.rect.height = (c.rect.height + 1) & ~1;
bttv_crop_calc_limits(&c);
+ sel->r = c.rect;
+
btv->crop[1] = c;
fh->do_crop = 1;
which only change on request. These are stored in btv->crop[1].
However for compatibility with V4L apps and cropping unaware
V4L2 apps we now reset the cropping parameters as seen through
- this fh, which is to say VIDIOC_G_CROP and scaling limit checks
+ this fh, which is to say VIDIOC_G_SELECTION and scaling limit checks
will use btv->crop[0], the default cropping parameters for the
current video standard, and VIDIOC_S_FMT will not implicitely
- change the cropping parameters until VIDIOC_S_CROP has been
+ change the cropping parameters until VIDIOC_S_SELECTION has been
called. */
fh->do_crop = !reset_crop; /* module parameter */
.vidioc_streamoff = bttv_streamoff,
.vidioc_g_tuner = bttv_g_tuner,
.vidioc_s_tuner = bttv_s_tuner,
- .vidioc_g_crop = bttv_g_crop,
- .vidioc_s_crop = bttv_s_crop,
+ .vidioc_g_selection = bttv_g_selection,
+ .vidioc_s_selection = bttv_s_selection,
.vidioc_g_fbuf = bttv_g_fbuf,
.vidioc_s_fbuf = bttv_s_fbuf,
.vidioc_overlay = bttv_overlay,