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Side by Side Diff: media/renderers/skcanvas_video_renderer.h

Issue 2461423002: Reland "Fix HTML5 video blurry" (Closed)
Patch Set: rebase to ToT Created 4 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ 5 #ifndef MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
6 #define MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ 6 #define MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
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50 VideoRotation video_rotation, 50 VideoRotation video_rotation,
51 const Context3D& context_3d); 51 const Context3D& context_3d);
52 52
53 // Copy |video_frame| on |canvas|. 53 // Copy |video_frame| on |canvas|.
54 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d| 54 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d|
55 // must be provided. 55 // must be provided.
56 void Copy(const scoped_refptr<VideoFrame>& video_frame, 56 void Copy(const scoped_refptr<VideoFrame>& video_frame,
57 SkCanvas* canvas, 57 SkCanvas* canvas,
58 const Context3D& context_3d); 58 const Context3D& context_3d);
59 59
60 enum class ConvertingSize { VISUAL, CODED };
60 // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels| 61 // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels|
61 // should point into a buffer large enough to hold as many 32 bit RGBA pixels 62 // should point into a buffer large enough to hold as many 32 bit RGBA pixels
62 // as are in the visible_rect() area of the frame. 63 // as are in the visible_rect() area of the frame.
63 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame, 64 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame,
65 ConvertingSize size_type,
64 void* rgb_pixels, 66 void* rgb_pixels,
65 size_t row_bytes); 67 size_t row_bytes);
66 68
67 // Copy the contents of texture of |video_frame| to texture |texture|. 69 // Copy the contents of texture of |video_frame| to texture |texture|.
68 // |level|, |internal_format|, |type| specify target texture |texture|. 70 // |level|, |internal_format|, |type| specify target texture |texture|.
69 // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE. 71 // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE.
70 static void CopyVideoFrameSingleTextureToGLTexture( 72 static void CopyVideoFrameSingleTextureToGLTexture(
71 gpu::gles2::GLES2Interface* gl, 73 gpu::gles2::GLES2Interface* gl,
72 VideoFrame* video_frame, 74 VideoFrame* video_frame,
73 unsigned int texture, 75 unsigned int texture,
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121 123
122 // Used for unit test. 124 // Used for unit test.
123 SkISize last_image_dimensions_for_testing_; 125 SkISize last_image_dimensions_for_testing_;
124 126
125 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer); 127 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer);
126 }; 128 };
127 129
128 } // namespace media 130 } // namespace media
129 131
130 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ 132 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
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