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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 #include "media/renderers/video_overlay_factory.h" | 5 #include "media/renderers/video_overlay_factory.h" |
6 | 6 |
7 #include "gpu/GLES2/gl2extchromium.h" | 7 #include "gpu/GLES2/gl2extchromium.h" |
8 #include "gpu/command_buffer/client/gles2_interface.h" | 8 #include "gpu/command_buffer/client/gles2_interface.h" |
9 #include "gpu/command_buffer/common/mailbox.h" | 9 #include "gpu/command_buffer/common/mailbox.h" |
10 #include "gpu/command_buffer/common/sync_token.h" | 10 #include "gpu/command_buffer/common/sync_token.h" |
11 #include "media/base/video_frame.h" | 11 #include "media/base/video_frame.h" |
12 #include "media/renderers/gpu_video_accelerator_factories.h" | 12 #include "media/renderers/gpu_video_accelerator_factories.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 class VideoOverlayFactory::Texture { | 16 class VideoOverlayFactory::Texture { |
17 public: | 17 public: |
18 explicit Texture(GpuVideoAcceleratorFactories* gpu_factories) | 18 explicit Texture(GpuVideoAcceleratorFactories* gpu_factories) |
19 : gpu_factories_(gpu_factories), texture_id_(0), image_id_(0) { | 19 : gpu_factories_(gpu_factories), image_id_(0), texture_id_(0) { |
20 DCHECK(gpu_factories_); | 20 DCHECK(gpu_factories_); |
21 DCHECK(gpu_factories_->GetTaskRunner()->BelongsToCurrentThread()); | 21 DCHECK(gpu_factories_->GetTaskRunner()->BelongsToCurrentThread()); |
22 | 22 |
23 std::unique_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock> lock( | 23 std::unique_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock> lock( |
24 gpu_factories_->GetGLContextLock()); | 24 gpu_factories_->GetGLContextLock()); |
25 CHECK(lock); | 25 if (lock) { |
26 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); | 26 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); |
| 27 image_id_ = gl->CreateGpuMemoryBufferImageCHROMIUM( |
| 28 1, 1, GL_RGBA, GL_READ_WRITE_CHROMIUM); |
| 29 if (image_id_) { |
| 30 gl->GenTextures(1, &texture_id_); |
| 31 gl->BindTexture(GL_TEXTURE_2D, texture_id_); |
| 32 gl->BindTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); |
27 | 33 |
28 gl->GenTextures(1, &texture_id_); | 34 gl->GenMailboxCHROMIUM(mailbox_.name); |
29 gl->BindTexture(GL_TEXTURE_2D, texture_id_); | 35 gl->ProduceTextureDirectCHROMIUM(texture_id_, GL_TEXTURE_2D, |
30 image_id_ = gl->CreateGpuMemoryBufferImageCHROMIUM(1, 1, GL_RGBA, | 36 mailbox_.name); |
31 GL_READ_WRITE_CHROMIUM); | |
32 CHECK(image_id_); | |
33 gl->BindTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); | |
34 | 37 |
35 gl->GenMailboxCHROMIUM(mailbox_.name); | 38 const GLuint64 fence_sync = gl->InsertFenceSyncCHROMIUM(); |
36 gl->ProduceTextureDirectCHROMIUM(texture_id_, GL_TEXTURE_2D, mailbox_.name); | 39 gl->ShallowFlushCHROMIUM(); |
37 | 40 gl->GenSyncTokenCHROMIUM(fence_sync, sync_token_.GetData()); |
38 const GLuint64 fence_sync = gl->InsertFenceSyncCHROMIUM(); | 41 } |
39 gl->ShallowFlushCHROMIUM(); | 42 } |
40 gl->GenSyncTokenCHROMIUM(fence_sync, sync_token_.GetData()); | |
41 } | 43 } |
42 | 44 |
43 ~Texture() { | 45 ~Texture() { |
44 DCHECK(gpu_factories_->GetTaskRunner()->BelongsToCurrentThread()); | 46 DCHECK(gpu_factories_->GetTaskRunner()->BelongsToCurrentThread()); |
45 | 47 |
46 std::unique_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock> lock( | 48 if (image_id_) { |
47 gpu_factories_->GetGLContextLock()); | 49 std::unique_ptr<GpuVideoAcceleratorFactories::ScopedGLContextLock> lock( |
48 CHECK(lock); | 50 gpu_factories_->GetGLContextLock()); |
49 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); | 51 if (lock) { |
50 gl->BindTexture(GL_TEXTURE_2D, texture_id_); | 52 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); |
51 gl->ReleaseTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); | 53 gl->BindTexture(GL_TEXTURE_2D, texture_id_); |
52 gl->DeleteTextures(1, &texture_id_); | 54 gl->ReleaseTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); |
53 gl->DestroyImageCHROMIUM(image_id_); | 55 gl->DeleteTextures(1, &texture_id_); |
| 56 gl->DestroyImageCHROMIUM(image_id_); |
| 57 } |
| 58 } |
54 } | 59 } |
55 | 60 |
| 61 bool IsValid() const { return image_id_ != 0; } |
| 62 |
56 private: | 63 private: |
57 friend class VideoOverlayFactory; | 64 friend class VideoOverlayFactory; |
58 GpuVideoAcceleratorFactories* gpu_factories_; | 65 GpuVideoAcceleratorFactories* gpu_factories_; |
59 | 66 |
| 67 GLuint image_id_; |
60 GLuint texture_id_; | 68 GLuint texture_id_; |
61 GLuint image_id_; | |
62 gpu::Mailbox mailbox_; | 69 gpu::Mailbox mailbox_; |
63 gpu::SyncToken sync_token_; | 70 gpu::SyncToken sync_token_; |
64 }; | 71 }; |
65 | 72 |
66 VideoOverlayFactory::VideoOverlayFactory( | 73 VideoOverlayFactory::VideoOverlayFactory( |
67 GpuVideoAcceleratorFactories* gpu_factories) | 74 GpuVideoAcceleratorFactories* gpu_factories) |
68 : gpu_factories_(gpu_factories) {} | 75 : gpu_factories_(gpu_factories) {} |
69 | 76 |
70 VideoOverlayFactory::~VideoOverlayFactory() {} | 77 VideoOverlayFactory::~VideoOverlayFactory() {} |
71 | 78 |
72 scoped_refptr<VideoFrame> VideoOverlayFactory::CreateFrame( | 79 scoped_refptr<VideoFrame> VideoOverlayFactory::CreateFrame( |
73 const gfx::Size& size) { | 80 const gfx::Size& size) { |
74 // Frame size empty => video has one dimension = 0. | 81 // Frame size empty => video has one dimension = 0. |
75 // Dimension 0 case triggers a DCHECK later on in TextureMailbox if we push | 82 // Dimension 0 case triggers a DCHECK later on in TextureMailbox if we push |
76 // through the overlay path. | 83 // through the overlay path. |
77 if (size.IsEmpty() || !gpu_factories_) { | 84 Texture* texture = size.IsEmpty() ? nullptr : GetTexture(); |
| 85 if (!texture) { |
78 DVLOG(1) << "Create black frame " << size.width() << "x" << size.height(); | 86 DVLOG(1) << "Create black frame " << size.width() << "x" << size.height(); |
79 return VideoFrame::CreateBlackFrame(gfx::Size(1, 1)); | 87 return VideoFrame::CreateBlackFrame(gfx::Size(1, 1)); |
80 } | 88 } |
81 | 89 |
82 DCHECK(gpu_factories_); | 90 DCHECK(texture); |
83 DCHECK(gpu_factories_->GetTaskRunner()->BelongsToCurrentThread()); | 91 DCHECK(texture->IsValid()); |
84 | 92 DVLOG(2) << "Create video overlay frame: " << size.ToString(); |
85 // Lazily create overlay texture. | |
86 if (!texture_) | |
87 texture_.reset(new Texture(gpu_factories_)); | |
88 | |
89 DVLOG(1) << "Create video overlay frame: " << size.ToString(); | |
90 gpu::MailboxHolder holders[VideoFrame::kMaxPlanes] = {gpu::MailboxHolder( | 93 gpu::MailboxHolder holders[VideoFrame::kMaxPlanes] = {gpu::MailboxHolder( |
91 texture_->mailbox_, texture_->sync_token_, GL_TEXTURE_2D)}; | 94 texture->mailbox_, texture->sync_token_, GL_TEXTURE_2D)}; |
92 scoped_refptr<VideoFrame> frame = VideoFrame::WrapNativeTextures( | 95 scoped_refptr<VideoFrame> frame = VideoFrame::WrapNativeTextures( |
93 PIXEL_FORMAT_XRGB, holders, VideoFrame::ReleaseMailboxCB(), | 96 PIXEL_FORMAT_XRGB, holders, VideoFrame::ReleaseMailboxCB(), |
94 size, // coded_size | 97 size, // coded_size |
95 gfx::Rect(size), // visible rect | 98 gfx::Rect(size), // visible rect |
96 size, // natural size | 99 size, // natural size |
97 base::TimeDelta()); // timestamp | 100 base::TimeDelta()); // timestamp |
98 CHECK(frame); | 101 CHECK(frame); |
99 frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY, true); | 102 frame->metadata()->SetBoolean(VideoFrameMetadata::ALLOW_OVERLAY, true); |
100 // TODO(halliwell): this is to block idle suspend behaviour on Chromecast. | 103 // TODO(halliwell): this is to block idle suspend behaviour on Chromecast. |
101 // Find a better way to do this. | 104 // Find a better way to do this. |
102 frame->metadata()->SetBoolean(VideoFrameMetadata::DECODER_OWNS_FRAME, true); | 105 frame->metadata()->SetBoolean(VideoFrameMetadata::DECODER_OWNS_FRAME, true); |
103 return frame; | 106 return frame; |
104 } | 107 } |
105 | 108 |
| 109 VideoOverlayFactory::Texture* VideoOverlayFactory::GetTexture() { |
| 110 if (!gpu_factories_) |
| 111 return nullptr; |
| 112 |
| 113 // Lazily create overlay texture. |
| 114 if (!texture_) |
| 115 texture_.reset(new Texture(gpu_factories_)); |
| 116 |
| 117 return texture_->IsValid() ? texture_.get() : nullptr; |
| 118 } |
| 119 |
106 } // namespace media | 120 } // namespace media |
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