diff options
| -rw-r--r-- | v4l2-apps/libv4l/libv4lconvert/crop.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/crop.c b/v4l2-apps/libv4l/libv4lconvert/crop.c index f01772c07..46c87f0ce 100644 --- a/v4l2-apps/libv4l/libv4lconvert/crop.c +++ b/v4l2-apps/libv4l/libv4lconvert/crop.c @@ -69,8 +69,8 @@ static void v4lconvert_reduceandcrop_yuv420( int x,y; int dest_height_half = dest_fmt->fmt.pix.height / 2; int dest_width_half = dest_fmt->fmt.pix.width / 2; - int startx = src_fmt->fmt.pix.width / 2 - dest_fmt->fmt.pix.width; - int starty = src_fmt->fmt.pix.height / 2 - dest_fmt->fmt.pix.height; + int startx = (src_fmt->fmt.pix.width / 2 - dest_fmt->fmt.pix.width) & ~1; + int starty = (src_fmt->fmt.pix.height / 2 - dest_fmt->fmt.pix.height) & ~1; unsigned char *mysrc, *mysrc2; /* Y */ @@ -113,8 +113,8 @@ static void v4lconvert_crop_yuv420(unsigned char *src, unsigned char *dest, const struct v4l2_format *src_fmt, const struct v4l2_format *dest_fmt) { int x; - int startx = (src_fmt->fmt.pix.width - dest_fmt->fmt.pix.width) / 2; - int starty = (src_fmt->fmt.pix.height - dest_fmt->fmt.pix.height) / 2; + int startx = ((src_fmt->fmt.pix.width - dest_fmt->fmt.pix.width) / 2) & ~1; + int starty = ((src_fmt->fmt.pix.height - dest_fmt->fmt.pix.height) / 2) & ~1; unsigned char *mysrc = src + starty * src_fmt->fmt.pix.bytesperline + startx; /* Y */ @@ -181,8 +181,8 @@ static void v4lconvert_add_border_yuv420( const struct v4l2_format *src_fmt, const struct v4l2_format *dest_fmt) { int y; - int borderx = (dest_fmt->fmt.pix.width - src_fmt->fmt.pix.width) / 2; - int bordery = (dest_fmt->fmt.pix.height - src_fmt->fmt.pix.height) / 2; + int borderx = ((dest_fmt->fmt.pix.width - src_fmt->fmt.pix.width) / 2) & ~1; + int bordery = ((dest_fmt->fmt.pix.height - src_fmt->fmt.pix.height) / 2) & ~1; /* Y */ for (y = 0; y < bordery; y++) { |