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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 "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
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58 // Convert the contents of |video_frame| to raw RGB pixels. |rgb_pixels| | 58 // 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 | 59 // 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. | 60 // as are in the visible_rect() area of the frame. |
61 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame, | 61 static void ConvertVideoFrameToRGBPixels(const media::VideoFrame* video_frame, |
62 void* rgb_pixels, | 62 void* rgb_pixels, |
63 size_t row_bytes); | 63 size_t row_bytes); |
64 | 64 |
65 // Copy the contents of texture of |video_frame| to texture |texture|. | 65 // Copy the contents of texture of |video_frame| to texture |texture|. |
66 // |level|, |internal_format|, |type| specify target texture |texture|. | 66 // |level|, |internal_format|, |type| specify target texture |texture|. |
67 // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE. | 67 // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE. |
68 struct MEDIA_EXPORT CopyFrameSingleTextureParams { | |
69 enum CopyType { FullCopy, SubCopy }; | |
70 CopyFrameSingleTextureParams(CopyType copy_type, | |
71 unsigned target, | |
72 unsigned texture, | |
73 unsigned internal_format, | |
74 unsigned type, | |
75 int level, | |
76 int xoffset, | |
77 int yoffset, | |
78 bool premultiply_alpha, | |
79 bool flip_y); | |
80 CopyType copy_type; | |
81 unsigned int target; | |
82 unsigned int texture; | |
83 unsigned int internal_format; | |
84 unsigned int type; | |
85 int level; | |
86 int xoffset; | |
87 int yoffset; | |
88 bool premultiply_alpha; | |
89 bool flip_y; | |
90 }; | |
91 static void CopyVideoFrameSingleTextureToGLTexture( | 68 static void CopyVideoFrameSingleTextureToGLTexture( |
92 gpu::gles2::GLES2Interface* gl, | 69 gpu::gles2::GLES2Interface* gl, |
93 VideoFrame* video_frame, | 70 VideoFrame* video_frame, |
94 const CopyFrameSingleTextureParams& params); | 71 unsigned int texture, |
| 72 unsigned int internal_format, |
| 73 unsigned int type, |
| 74 bool premultiply_alpha, |
| 75 bool flip_y); |
95 | 76 |
96 private: | 77 private: |
97 void ResetCache(); | 78 void ResetCache(); |
98 | 79 |
99 // Last image used to draw to the canvas. | 80 // Last image used to draw to the canvas. |
100 skia::RefPtr<SkImage> last_image_; | 81 skia::RefPtr<SkImage> last_image_; |
101 // Timestamp of the videoframe used to generate |last_image_|. | 82 // Timestamp of the videoframe used to generate |last_image_|. |
102 base::TimeDelta last_timestamp_ = media::kNoTimestamp(); | 83 base::TimeDelta last_timestamp_ = media::kNoTimestamp(); |
103 // If |last_image_| is not used for a while, it's deleted to save memory. | 84 // If |last_image_| is not used for a while, it's deleted to save memory. |
104 base::DelayTimer last_image_deleting_timer_; | 85 base::DelayTimer last_image_deleting_timer_; |
105 | 86 |
106 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer); | 87 DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer); |
107 }; | 88 }; |
108 | 89 |
109 } // namespace media | 90 } // namespace media |
110 | 91 |
111 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ | 92 #endif // MEDIA_RENDERERS_SKCANVAS_VIDEO_RENDERER_H_ |
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