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

Issue 2686173003: Remove uses of skia::GetWritablePixels(PaintCanvas) (Closed)
Patch Set: Add more deps Created 3 years, 10 months 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
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "base/threading/thread_checker.h" 13 #include "base/threading/thread_checker.h"
14 #include "base/time/time.h" 14 #include "base/time/time.h"
15 #include "base/timer/timer.h" 15 #include "base/timer/timer.h"
16 #include "cc/paint/paint_canvas.h"
16 #include "media/base/media_export.h" 17 #include "media/base/media_export.h"
17 #include "media/base/timestamp_constants.h" 18 #include "media/base/timestamp_constants.h"
18 #include "media/base/video_frame.h" 19 #include "media/base/video_frame.h"
19 #include "media/base/video_rotation.h" 20 #include "media/base/video_rotation.h"
20 #include "media/filters/context_3d.h" 21 #include "media/filters/context_3d.h"
21 #include "third_party/skia/include/core/SkImage.h" 22 #include "third_party/skia/include/core/SkImage.h"
22 #include "third_party/skia/include/core/SkRefCnt.h" 23 #include "third_party/skia/include/core/SkRefCnt.h"
23 24
24 class SkCanvas;
25 25
26 namespace gfx { 26 namespace gfx {
27 class RectF; 27 class RectF;
28 } 28 }
29 29
30 namespace media { 30 namespace media {
31 31
32 // Handles rendering of VideoFrames to SkCanvases. 32 // TODO(enne): rename to PaintCanvasVideoRenderer
33 // Handles rendering of VideoFrames to PaintCanvases.
33 class MEDIA_EXPORT SkCanvasVideoRenderer { 34 class MEDIA_EXPORT SkCanvasVideoRenderer {
34 public: 35 public:
35 SkCanvasVideoRenderer(); 36 SkCanvasVideoRenderer();
36 ~SkCanvasVideoRenderer(); 37 ~SkCanvasVideoRenderer();
37 38
38 // Paints |video_frame| on |canvas|, scaling and rotating the result to fit 39 // Paints |video_frame| on |canvas|, scaling and rotating the result to fit
39 // dimensions specified by |dest_rect|. 40 // dimensions specified by |dest_rect|.
40 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d| 41 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d|
41 // must be provided. 42 // must be provided.
42 // 43 //
43 // Black will be painted on |canvas| if |video_frame| is null. 44 // Black will be painted on |canvas| if |video_frame| is null.
44 void Paint(const scoped_refptr<VideoFrame>& video_frame, 45 void Paint(const scoped_refptr<VideoFrame>& video_frame,
45 SkCanvas* canvas, 46 cc::PaintCanvas* canvas,
46 const gfx::RectF& dest_rect, 47 const gfx::RectF& dest_rect,
47 SkPaint& paint, 48 SkPaint& paint,
48 VideoRotation video_rotation, 49 VideoRotation video_rotation,
49 const Context3D& context_3d); 50 const Context3D& context_3d);
50 51
51 // Copy |video_frame| on |canvas|. 52 // Copy |video_frame| on |canvas|.
52 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d| 53 // If the format of |video_frame| is PIXEL_FORMAT_NATIVE_TEXTURE, |context_3d|
53 // must be provided. 54 // must be provided.
54 void Copy(const scoped_refptr<VideoFrame>& video_frame, 55 void Copy(const scoped_refptr<VideoFrame>& video_frame,
55 SkCanvas* canvas, 56 cc::PaintCanvas* canvas,
56 const Context3D& context_3d); 57 const Context3D& context_3d);
57 58
58 // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels| 59 // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels|
59 // should point into a buffer large enough to hold as many 32 bit RGBA pixels 60 // should point into a buffer large enough to hold as many 32 bit RGBA pixels
60 // as are in the visible_rect() area of the frame. 61 // as are in the visible_rect() area of the frame.
61 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame, 62 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame,
62 void* rgb_pixels, 63 void* rgb_pixels,
63 size_t row_bytes); 64 size_t row_bytes);
64 65
65 // Copy the contents of texture of |video_frame| to texture |texture|. 66 // Copy the contents of texture of |video_frame| to texture |texture|.
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152 153
153 // Used for unit test. 154 // Used for unit test.
154 SkISize last_image_dimensions_for_testing_; 155 SkISize last_image_dimensions_for_testing_;
155 156
156 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer); 157 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer);
157 }; 158 };
158 159
159 } // namespace media 160 } // namespace media
160 161
161 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ 162 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_
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