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image: add support for raw YUY2/UYVY image copies.

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Implement raw image copies for YUY2 format. Add support for UYVY format
too, with the same copy function as for YUY2. Even though components
ordering differs, copying line strides is essentially the same.

https://bugzilla.gnome.org/show_bug.cgi?id=703939
https://bugzilla.gnome.org/show_bug.cgi?id=703940

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Wind Yuan 2013-04-24 10:39:03 +08:00 committed by Gwenole Beauchesne
parent ed1bec1e43
commit 89321cd3c4
1 changed files with 23 additions and 0 deletions
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23
gst-libs/gst/vaapi/gstvaapiimage.c
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@ -869,6 +869,25 @@ copy_image_YV12(
}
}
/* Copy YUY2 images */
static void
copy_image_YUY2(
GstVaapiImageRaw *dst_image,
GstVaapiImageRaw *src_image,
const GstVaapiRectangle *rect
)
{
guchar *dst, *src;
guint dst_stride, src_stride;
/* YUV 4:2:2, full vertical resolution */
dst_stride = dst_image->stride[0];
dst = dst_image->pixels[0] + rect->y * dst_stride + rect->x * 2;
src_stride = src_image->stride[0];
src = src_image->pixels[0] + rect->y * src_stride + rect->x * 2;
memcpy_pic(dst, dst_stride, src, src_stride, rect->width * 2, rect->height);
}
/* Copy RGBA images */
static void
copy_image_RGBA(
@ -924,6 +943,10 @@ copy_image(
case GST_VIDEO_FORMAT_I420:
copy_image_YV12(dst_image, src_image, rect);
break;
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
copy_image_YUY2(dst_image, src_image, rect);
break;
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_ABGR: