[v3,6/9] s5p-jpeg: Assure proper crop rectangle initialization
Commit Message
From: Jacek Anaszewski <j.anaszewski@samsung.com>
Assure proper crop_rect initialization in case
the user space doesn't call S_SELECTION ioctl.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
---
drivers/media/platform/s5p-jpeg/jpeg-core.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--
1.7.9.5
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@@ -1367,6 +1367,21 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f)
V4L2_CID_JPEG_CHROMA_SUBSAMPLING);
if (ctrl_subs)
v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling);
+ ct->crop_altered = false;
+ }
+
+ /*
+ * For decoding init crop_rect with capture buffer dimmensions which
+ * contain aligned dimensions of the input JPEG image and do it only
+ * if crop rectangle hasn't been altered by the user space e.g. with
+ * S_SELECTION ioctl. For encoding assign output buffer dimensions.
+ */
+ if (!ct->crop_altered &&
+ ((ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE) ||
+ (ct->mode == S5P_JPEG_ENCODE && f_type == FMT_TYPE_OUTPUT))) {
+ ct->crop_rect.width = pix->width;
+ ct->crop_rect.height = pix->height;
+ }
}
return 0;