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authorhclam@chromium.org <hclam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-05-19 04:01:57 +0000
committerhclam@chromium.org <hclam@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-05-19 04:01:57 +0000
commit31f2cdc6430c2de085f69c48652ecbd4173035ac (patch)
treeffdb71e9fcde9928d3c834ab11929e1052fd94ac /chrome
parent85d911cd2f9cf2cb8235ff46560b5931ef5ab16e (diff)
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Fix a misaligmnet in rendering video frames
Misalignment if clip top is odd. Review URL: http://codereview.chromium.org/115499 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16358 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome')
-rw-r--r--chrome/renderer/media/video_renderer_impl.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/chrome/renderer/media/video_renderer_impl.cc b/chrome/renderer/media/video_renderer_impl.cc
index 42f1f68..d411321 100644
--- a/chrome/renderer/media/video_renderer_impl.cc
+++ b/chrome/renderer/media/video_renderer_impl.cc
@@ -219,8 +219,8 @@ void VideoRendererImpl::FastPaint(media::VideoFrame* video_frame,
// Since the format is YV12, there is one U, V value per 2x2 block, thus
// the math here.
// TODO(hclam): handle formats other than YV12.
- size_t uv_offset = (frame_in.strides[media::VideoSurface::kUPlane] *
- frame_clip_top + frame_clip_left) / 2;
+ size_t uv_offset = frame_in.strides[media::VideoSurface::kUPlane] *
+ (frame_clip_top / 2) + frame_clip_left / 2;
uint8* frame_clip_y = frame_in.data[media::VideoSurface::kYPlane] +
y_offset;
uint8* frame_clip_u = frame_in.data[media::VideoSurface::kUPlane] +