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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chromecast/renderer/media/hole_frame_factory.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "gpu/GLES2/gl2extchromium.h" | |
| 10 #include "gpu/command_buffer/client/gles2_interface.h" | |
| 11 #include "media/base/video_frame.h" | |
| 12 #include "media/renderers/gpu_video_accelerator_factories.h" | |
| 13 | |
| 14 namespace chromecast { | |
| 15 namespace media { | |
| 16 | |
| 17 HoleFrameFactory::HoleFrameFactory( | |
| 18 ::media::GpuVideoAcceleratorFactories* gpu_factories) | |
| 19 : gpu_factories_(gpu_factories), texture_(0), image_id_(0) { | |
| 20 if (gpu_factories_) { | |
| 21 std::unique_ptr<::media::GpuVideoAcceleratorFactories::ScopedGLContextLock> | |
| 22 lock(gpu_factories_->GetGLContextLock()); | |
| 23 CHECK(lock); | |
| 24 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); | |
| 25 | |
| 26 gl->GenTextures(1, &texture_); | |
| 27 gl->BindTexture(GL_TEXTURE_2D, texture_); | |
| 28 image_id_ = gl->CreateGpuMemoryBufferImageCHROMIUM(1, 1, GL_RGBA, | |
| 29 GL_READ_WRITE_CHROMIUM); | |
| 30 CHECK(image_id_); | |
| 31 gl->BindTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); | |
| 32 | |
| 33 gl->GenMailboxCHROMIUM(mailbox_.name); | |
| 34 gl->ProduceTextureDirectCHROMIUM(texture_, GL_TEXTURE_2D, mailbox_.name); | |
| 35 | |
| 36 const GLuint64 fence_sync = gl->InsertFenceSyncCHROMIUM(); | |
| 37 gl->ShallowFlushCHROMIUM(); | |
| 38 gl->GenSyncTokenCHROMIUM(fence_sync, sync_token_.GetData()); | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 HoleFrameFactory::~HoleFrameFactory() { | |
| 43 if (texture_) { | |
| 44 std::unique_ptr<::media::GpuVideoAcceleratorFactories::ScopedGLContextLock> | |
| 45 lock(gpu_factories_->GetGLContextLock()); | |
| 46 CHECK(lock); | |
| 47 gpu::gles2::GLES2Interface* gl = lock->ContextGL(); | |
| 48 gl->BindTexture(GL_TEXTURE_2D, texture_); | |
| 49 gl->ReleaseTexImage2DCHROMIUM(GL_TEXTURE_2D, image_id_); | |
| 50 gl->DeleteTextures(1, &texture_); | |
| 51 gl->DestroyImageCHROMIUM(image_id_); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 scoped_refptr<::media::VideoFrame> HoleFrameFactory::CreateHoleFrame( | |
| 56 const gfx::Size& size) { | |
| 57 // No texture => audio device. size empty => video has one dimension = 0. | |
| 58 // Dimension 0 case triggers a DCHECK later on in TextureMailbox if we push | |
| 59 // through the overlay path. | |
| 60 if (!texture_ || size.IsEmpty()) { | |
| 61 LOG(INFO) << "Create black frame " << size.width() << "x" << size.height(); | |
| 62 return ::media::VideoFrame::CreateBlackFrame(gfx::Size(1, 1)); | |
| 63 } | |
| 64 | |
| 65 LOG(INFO) << "Create hole frame " << size.width() << "x" << size.height(); | |
| 66 gpu::MailboxHolder holders[::media::VideoFrame::kMaxPlanes] = { | |
| 67 gpu::MailboxHolder(mailbox_, sync_token_, GL_TEXTURE_2D)}; | |
| 68 scoped_refptr<::media::VideoFrame> frame = | |
| 69 ::media::VideoFrame::WrapNativeTextures( | |
| 70 ::media::PIXEL_FORMAT_XRGB, holders, | |
| 71 ::media::VideoFrame::ReleaseMailboxCB(), | |
| 72 size, // coded_size | |
| 73 gfx::Rect(size), // visible rect | |
| 74 size, // natural size | |
| 75 base::TimeDelta()); // timestamp | |
| 76 CHECK(frame); | |
| 77 frame->metadata()->SetBoolean(::media::VideoFrameMetadata::ALLOW_OVERLAY, | |
| 78 true); | |
| 79 return frame; | |
| 80 } | |
| 81 | |
| 82 } // namespace media | |
| 83 } // namespace chromecast | |
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Chromium Code Reviews
Issue 1873513003:
Add video-rendering to mojo media pipeline. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master