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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 |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "media/gpu/avda_state_provider.h" | 12 #include "media/gpu/avda_state_provider.h" |
| 13 #include "media/gpu/avda_surface_bundle.h" |
13 #include "media/gpu/media_gpu_export.h" | 14 #include "media/gpu/media_gpu_export.h" |
14 #include "media/gpu/surface_texture_gl_owner.h" | 15 #include "media/gpu/surface_texture_gl_owner.h" |
15 | 16 |
16 namespace gpu { | 17 namespace gpu { |
17 namespace gles2 { | 18 namespace gles2 { |
18 class GLStreamTextureImage; | 19 class GLStreamTextureImage; |
19 } | 20 } |
20 } | 21 } |
21 | 22 |
22 namespace gl { | |
23 class ScopedJavaSurface; | |
24 class SurfaceTexture; | |
25 } | |
26 | |
27 namespace media { | 23 namespace media { |
28 class AVDACodecImage; | 24 class AVDACodecImage; |
29 class AVDASharedState; | 25 class AVDASharedState; |
30 class MediaCodecBridge; | 26 class MediaCodecBridge; |
31 | 27 |
32 // AVDAPictureBufferManager is used by AVDA to associate its PictureBuffers with | 28 // AVDAPictureBufferManager is used by AVDA to associate its PictureBuffers with |
33 // MediaCodec output buffers. It attaches AVDACodecImages to the PictureBuffer | 29 // MediaCodec output buffers. It attaches AVDACodecImages to the PictureBuffer |
34 // textures so that when they're used to draw the AVDACodecImage can release the | 30 // textures so that when they're used to draw the AVDACodecImage can release the |
35 // MediaCodec buffer to the backing Surface. If the Surface is a SurfaceTexture, | 31 // MediaCodec buffer to the backing Surface. If the Surface is a SurfaceTexture, |
36 // the front buffer can then be used to draw without needing to copy the pixels. | 32 // the front buffer can then be used to draw without needing to copy the pixels. |
37 // If the Surface is a SurfaceView, the release causes the frame to be displayed | 33 // If the Surface is a SurfaceView, the release causes the frame to be displayed |
38 // immediately. | 34 // immediately. |
39 class MEDIA_GPU_EXPORT AVDAPictureBufferManager { | 35 class MEDIA_GPU_EXPORT AVDAPictureBufferManager { |
40 public: | 36 public: |
41 using PictureBufferMap = std::map<int32_t, PictureBuffer>; | 37 using PictureBufferMap = std::map<int32_t, PictureBuffer>; |
42 | 38 |
43 explicit AVDAPictureBufferManager(AVDAStateProvider* state_provider); | 39 explicit AVDAPictureBufferManager(AVDAStateProvider* state_provider); |
44 virtual ~AVDAPictureBufferManager(); | 40 virtual ~AVDAPictureBufferManager(); |
45 | 41 |
46 // Call either InitializeForOverlay or InitializeForSurfaceTexture before | 42 // Call Initialize, providing the surface bundle that holds the surface that |
47 // anything else. InitializeForOverlay will set us up to render codec buffers | 43 // will back the frames. If an overlay is present in the bundle, then this |
48 // at the approrpriate time for display, but will assume that consuming the | 44 // will set us up to render codec buffers at the appropriate time for display, |
49 // resulting buffers is handled elsewhere (e.g., SurfaceFlinger). | 45 // but will assume that consuming the resulting buffers is handled elsewhere |
| 46 // (e.g., SurfaceFlinger). We will ensure that any reference to the bundle |
| 47 // is dropped if the overlay sends OnSurfaceDestroyed. |
50 // | 48 // |
51 // InitializeForSurfaceTexture will create a SurfaceTexture and return the | 49 // Without an overlay, we will create a SurfaceTexture and add it (and its |
52 // surface for it. We will arrange to consume the buffers at the right time, | 50 // surface) to |surface_bundle|. We will arrange to consume the buffers at |
53 // in addition to releasing codec buffers for rendering. | 51 // the right time, in addition to releasing the codec buffers for rendering. |
54 // | 52 // |
55 // One may call these multiple times to change between overlay and ST. | 53 // One may call these multiple times to change between overlay and ST. |
56 // | 54 // |
57 // Picture buffers will be updated to reflect the new surface during the call | 55 // Picture buffers will be updated to reflect the new surface during the call |
58 // to UseCodecBufferForPicture(). | 56 // to UseCodecBufferForPicture(). |
59 void InitializeForOverlay(); | 57 // |
60 gl::ScopedJavaSurface InitializeForSurfaceTexture(); | 58 // Returns true on success. |
| 59 bool Initialize(scoped_refptr<AVDASurfaceBundle> surface_bundle); |
61 | 60 |
62 void Destroy(const PictureBufferMap& buffers); | 61 void Destroy(const PictureBufferMap& buffers); |
63 | 62 |
64 // Sets up |picture_buffer| so that its texture will refer to the image that | 63 // Sets up |picture_buffer| so that its texture will refer to the image that |
65 // is represented by the decoded output buffer at codec_buffer_index. | 64 // is represented by the decoded output buffer at codec_buffer_index. |
66 void UseCodecBufferForPictureBuffer(int32_t codec_buffer_index, | 65 void UseCodecBufferForPictureBuffer(int32_t codec_buffer_index, |
67 const PictureBuffer& picture_buffer); | 66 const PictureBuffer& picture_buffer); |
68 | 67 |
69 // Assigns a picture buffer and attaches an image to its texture. | 68 // Assigns a picture buffer and attaches an image to its texture. |
70 void AssignOnePictureBuffer(const PictureBuffer& picture_buffer, | 69 void AssignOnePictureBuffer(const PictureBuffer& picture_buffer, |
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83 // MediaCodec is being destroyed. Previously provided codecs should no longer | 82 // MediaCodec is being destroyed. Previously provided codecs should no longer |
84 // be referenced. | 83 // be referenced. |
85 void CodecChanged(MediaCodecBridge* codec); | 84 void CodecChanged(MediaCodecBridge* codec); |
86 | 85 |
87 // Whether the pictures buffers are overlayable. | 86 // Whether the pictures buffers are overlayable. |
88 bool ArePicturesOverlayable(); | 87 bool ArePicturesOverlayable(); |
89 | 88 |
90 // Are there any unrendered picture buffers oustanding? | 89 // Are there any unrendered picture buffers oustanding? |
91 bool HasUnrenderedPictures() const; | 90 bool HasUnrenderedPictures() const; |
92 | 91 |
93 scoped_refptr<gl::SurfaceTexture> surface_texture() { | |
94 return surface_texture_; | |
95 } | |
96 | |
97 // Returns the GL texture target that the PictureBuffer textures use. | 92 // Returns the GL texture target that the PictureBuffer textures use. |
98 // Always use OES textures even though this will cause flickering in dev tools | 93 // Always use OES textures even though this will cause flickering in dev tools |
99 // when inspecting a fullscreen video. See http://crbug.com/592798 | 94 // when inspecting a fullscreen video. See http://crbug.com/592798 |
100 static constexpr GLenum kTextureTarget = GL_TEXTURE_EXTERNAL_OES; | 95 static constexpr GLenum kTextureTarget = GL_TEXTURE_EXTERNAL_OES; |
101 | 96 |
102 private: | 97 private: |
103 // Release any codec buffer that is associated with the given picture buffer | 98 // Release any codec buffer that is associated with the given picture buffer |
104 // back to the codec. It is okay if there is no such buffer. | 99 // back to the codec. It is okay if there is no such buffer. |
105 void ReleaseCodecBufferForPicture(const PictureBuffer& picture_buffer); | 100 void ReleaseCodecBufferForPicture(const PictureBuffer& picture_buffer); |
106 | 101 |
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128 | 123 |
129 // Maps a picture buffer id to a AVDACodecImage. | 124 // Maps a picture buffer id to a AVDACodecImage. |
130 std::map<int, scoped_refptr<AVDACodecImage>> codec_images_; | 125 std::map<int, scoped_refptr<AVDACodecImage>> codec_images_; |
131 | 126 |
132 DISALLOW_COPY_AND_ASSIGN(AVDAPictureBufferManager); | 127 DISALLOW_COPY_AND_ASSIGN(AVDAPictureBufferManager); |
133 }; | 128 }; |
134 | 129 |
135 } // namespace media | 130 } // namespace media |
136 | 131 |
137 #endif // MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ | 132 #endif // MEDIA_GPU_AVDA_PICTURE_BUFFER_MANAGER_H_ |
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