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[v2,5/9] s5p-jpeg: Assure proper crop rectangle initialization

Message ID 1405091990-28567-6-git-send-email-j.anaszewski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jacek Anaszewski July 11, 2014, 3:19 p.m. UTC 
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: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/platform/s5p-jpeg/jpeg-core.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)
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Patch

diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 09b59d3..2491ef8 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -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;