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| author | sergeyu@chromium.org <sergeyu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-04-09 20:23:05 +0000 |
|---|---|---|
| committer | sergeyu@chromium.org <sergeyu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-04-09 20:23:05 +0000 |
| commit | 980abb1a0ee220077635a9eb47c370b2b41f4fb1 (patch) | |
| tree | 142171b517745b7aaeb77313d7cfa439133171fc /media/base/yuv_convert.h | |
| parent | 74188f235dd5b4f8e80ca30d6e3a4d4c3061d84d (diff) | |
| download | chromium_src-980abb1a0ee220077635a9eb47c370b2b41f4fb1.zip chromium_src-980abb1a0ee220077635a9eb47c370b2b41f4fb1.tar.gz chromium_src-980abb1a0ee220077635a9eb47c370b2b41f4fb1.tar.bz2 | |
Optimized version of bilinear video scaler. It is about 2 times faster than Skia that is currently used for video scaling.
BUG=19113
TEST=none
Review URL: http://codereview.chromium.org/1556021
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@44119 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'media/base/yuv_convert.h')
| -rw-r--r-- | media/base/yuv_convert.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/media/base/yuv_convert.h b/media/base/yuv_convert.h index a757070..cca7d49 100644 --- a/media/base/yuv_convert.h +++ b/media/base/yuv_convert.h @@ -1,4 +1,4 @@ -// Copyright (c) 2009 The Chromium Authors. All rights reserved. +// Copyright (c) 2010 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. @@ -29,6 +29,12 @@ enum Rotate { MIRROR_ROTATE_270, // Transpose. }; +// Filter affects how scaling looks. +enum ScaleFilter { + FILTER_NONE, // No filter (point sampled). + FILTER_BILINEAR, // Bilinear filter. +}; + // Convert a frame of YUV to 32 bit ARGB. // Pass in YV16/YV12 depending on source format void ConvertYUVToRGB32(const uint8* yplane, @@ -56,7 +62,8 @@ void ScaleYUVToRGB32(const uint8* yplane, int uvstride, int rgbstride, YUVType yuv_type, - Rotate view_rotate); + Rotate view_rotate, + ScaleFilter filter); } // namespace media |