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Diffstat (limited to 'webkit/media/skcanvas_video_renderer.h')
-rw-r--r-- | webkit/media/skcanvas_video_renderer.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/webkit/media/skcanvas_video_renderer.h b/webkit/media/skcanvas_video_renderer.h new file mode 100644 index 0000000..0773297 --- /dev/null +++ b/webkit/media/skcanvas_video_renderer.h @@ -0,0 +1,46 @@ +// Copyright (c) 2012 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. + +#ifndef WEBKIT_MEDIA_SKCANVAS_VIDEO_RENDERER_H_ +#define WEBKIT_MEDIA_SKCANVAS_VIDEO_RENDERER_H_ + +#include "base/time.h" +#include "ui/gfx/rect.h" +#include "third_party/skia/include/core/SkBitmap.h" + +class SkCanvas; + +namespace media { +class VideoFrame; +} + +namespace webkit_media { + +// Handles rendering of VideoFrames to SkCanvases, doing any necessary YUV +// conversion and caching of resulting RGB bitmaps. +class SkCanvasVideoRenderer { + public: + SkCanvasVideoRenderer(); + ~SkCanvasVideoRenderer(); + + // Paints |video_frame| on |canvas|, scaling the result to fit dimensions + // specified by |dest_rect|. + // + // Black will be painted on |canvas| if |video_frame| is null. + void Paint(media::VideoFrame* video_frame, + SkCanvas* canvas, + const gfx::Rect& dest_rect); + + private: + // An RGB bitmap and corresponding timestamp of the previously converted + // video frame data. + SkBitmap last_frame_; + base::TimeDelta last_frame_timestamp_; + + DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer); +}; + +} // namespace webkit_media + +#endif // WEBKIT_MEDIA_SKCANVAS_VIDEO_RENDERER_H_ |