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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ | 5 #ifndef MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ |
6 #define MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ | 6 #define MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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38 class MEDIA_GPU_EXPORT AVDAPictureBufferManager { | 38 class MEDIA_GPU_EXPORT AVDAPictureBufferManager { |
39 public: | 39 public: |
40 using PictureBufferMap = std::map<int32_t, PictureBuffer>; | 40 using PictureBufferMap = std::map<int32_t, PictureBuffer>; |
41 | 41 |
42 explicit AVDAPictureBufferManager(AVDAStateProvider* state_provider); | 42 explicit AVDAPictureBufferManager(AVDAStateProvider* state_provider); |
43 virtual ~AVDAPictureBufferManager(); | 43 virtual ~AVDAPictureBufferManager(); |
44 | 44 |
45 // Must be called before anything else. If |surface_id| is |kNoSurfaceID| | 45 // Must be called before anything else. If |surface_id| is |kNoSurfaceID| |
46 // then a new SurfaceTexture will be returned. Otherwise, the corresponding | 46 // then a new SurfaceTexture will be returned. Otherwise, the corresponding |
47 // SurfaceView will be returned. | 47 // SurfaceView will be returned. |
48 // | |
49 // May be called multiple times to switch to a new |surface_id|. Picture | |
50 // buffers will be updated to use the new surface during the call to | |
51 // UseCodecBufferForPictureBuffer(). | |
48 gl::ScopedJavaSurface Initialize(int surface_id); | 52 gl::ScopedJavaSurface Initialize(int surface_id); |
49 | 53 |
50 void Destroy(const PictureBufferMap& buffers); | 54 void Destroy(const PictureBufferMap& buffers); |
51 | 55 |
52 // Returns the GL texture target that the PictureBuffer textures use. | |
53 uint32_t GetTextureTarget() const; | |
54 | |
55 // Returns the size to use when requesting picture buffers. | 56 // Returns the size to use when requesting picture buffers. |
56 gfx::Size GetPictureBufferSize() const; | 57 gfx::Size GetPictureBufferSize() const; |
57 | 58 |
58 // Sets up |picture_buffer| so that its texture will refer to the image that | 59 // Sets up |picture_buffer| so that its texture will refer to the image that |
59 // is represented by the decoded output buffer at codec_buffer_index. | 60 // is represented by the decoded output buffer at codec_buffer_index. |
60 void UseCodecBufferForPictureBuffer(int32_t codec_buffer_index, | 61 void UseCodecBufferForPictureBuffer(int32_t codec_buffer_index, |
61 const PictureBuffer& picture_buffer); | 62 const PictureBuffer& picture_buffer); |
62 | 63 |
63 // Assigns a picture buffer and attaches an image to its texture. | 64 // Assigns a picture buffer and attaches an image to its texture. |
64 void AssignOnePictureBuffer(const PictureBuffer& picture_buffer, | 65 void AssignOnePictureBuffer(const PictureBuffer& picture_buffer, |
65 bool have_context); | 66 bool have_context); |
66 | 67 |
67 // Reuses a picture buffer to hold a new frame. | 68 // Reuses a picture buffer to hold a new frame. |
68 void ReuseOnePictureBuffer(const PictureBuffer& picture_buffer); | 69 void ReuseOnePictureBuffer(const PictureBuffer& picture_buffer); |
69 | 70 |
70 // Release MediaCodec buffers. | 71 // Release MediaCodec buffers. |
71 void ReleaseCodecBuffers(const PictureBufferMap& buffers); | 72 void ReleaseCodecBuffers(const PictureBufferMap& buffers); |
72 | 73 |
73 // Attempts to free up codec output buffers by rendering early. | 74 // Attempts to free up codec output buffers by rendering early. |
74 void MaybeRenderEarly(); | 75 void MaybeRenderEarly(); |
75 | 76 |
76 // Called when the MediaCodec instance changes. If |codec| is nullptr the | 77 // Called when the MediaCodec instance changes. If |codec| is nullptr the |
77 // MediaCodec is being destroyed. Previously provided codecs should no longer | 78 // MediaCodec is being destroyed. Previously provided codecs should no longer |
78 // be referenced. | 79 // be referenced. |
79 void CodecChanged(VideoCodecBridge* codec); | 80 void CodecChanged(VideoCodecBridge* codec); |
80 | 81 |
81 // Whether the pictures buffers are overlayable. | 82 // Whether the pictures buffers are overlayable. |
82 bool ArePicturesOverlayable(); | 83 bool ArePicturesOverlayable(); |
83 | 84 |
85 // Are there any unrendered picture buffers oustanding? | |
86 bool HasUnrenderedPictures() const; | |
87 | |
88 // Returns the GL texture target that the PictureBuffer textures use. | |
89 // Always use OES textures even though this will cause flickering in dev tools | |
90 // when inspecting a fullscreen video. See http://crbug.com/592798 | |
91 enum { kTextureTarget = GL_TEXTURE_EXTERNAL_OES }; | |
dcheng
2016/11/09 18:16:29
I wonder... can we just use constexpr now?
DaleCurtis
2016/11/09 21:58:17
It needs to be declared static when used in a head
| |
92 | |
84 private: | 93 private: |
85 // Release any codec buffer that is associated with the given picture buffer | 94 // Release any codec buffer that is associated with the given picture buffer |
86 // back to the codec. It is okay if there is no such buffer. | 95 // back to the codec. It is okay if there is no such buffer. |
87 void ReleaseCodecBufferForPicture(const PictureBuffer& picture_buffer); | 96 void ReleaseCodecBufferForPicture(const PictureBuffer& picture_buffer); |
88 | 97 |
89 // Sets up the texture references (as found by |picture_buffer|), for the | 98 // Sets up the texture references (as found by |picture_buffer|), for the |
90 // specified |image|. If |image| is null, clears any ref on the texture | 99 // specified |image|. If |image| is null, clears any ref on the texture |
91 // associated with |picture_buffer|. | 100 // associated with |picture_buffer|. |
92 void SetImageForPicture(const PictureBuffer& picture_buffer, | 101 void SetImageForPicture(const PictureBuffer& picture_buffer, |
93 gpu::gles2::GLStreamTextureImage* image); | 102 gpu::gles2::GLStreamTextureImage* image); |
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110 | 119 |
111 // Maps a picture buffer id to a AVDACodecImage. | 120 // Maps a picture buffer id to a AVDACodecImage. |
112 std::map<int, scoped_refptr<AVDACodecImage>> codec_images_; | 121 std::map<int, scoped_refptr<AVDACodecImage>> codec_images_; |
113 | 122 |
114 DISALLOW_COPY_AND_ASSIGN(AVDAPictureBufferManager); | 123 DISALLOW_COPY_AND_ASSIGN(AVDAPictureBufferManager); |
115 }; | 124 }; |
116 | 125 |
117 } // namespace media | 126 } // namespace media |
118 | 127 |
119 #endif // MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ | 128 #endif // MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ |
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