| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/file_descriptor_posix.h" |
| #include "media/gpu/va_surface.h" |
| #include "media/gpu/vaapi_drm_picture.h" |
| #include "media/gpu/vaapi_wrapper.h" |
| #include "third_party/libva/va/drm/va_drm.h" |
| #include "third_party/libva/va/va.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| #include "ui/gl/gl_bindings.h" |
| #include "ui/gl/gl_image_ozone_native_pixmap.h" |
| #include "ui/gl/scoped_binders.h" |
| #include "ui/ozone/public/native_pixmap.h" |
| #include "ui/ozone/public/ozone_platform.h" |
| #include "ui/ozone/public/surface_factory_ozone.h" |
| |
| namespace { |
| // We decode video into YUV420, but for usage with GLImages we have to convert |
| // to BGRX_8888. |
| const gfx::BufferFormat kPictureForGLImageFormat = gfx::BufferFormat::BGRX_8888; |
| |
| } // namespace |
| |
| namespace media { |
| |
| VaapiDrmPicture::VaapiDrmPicture( |
| const scoped_refptr<VaapiWrapper>& vaapi_wrapper, |
| const MakeGLContextCurrentCallback& make_context_current_cb, |
| int32_t picture_buffer_id, |
| uint32_t texture_id, |
| const gfx::Size& size) |
| : VaapiPicture(picture_buffer_id, texture_id, size), |
| vaapi_wrapper_(vaapi_wrapper), |
| make_context_current_cb_(make_context_current_cb) {} |
| |
| VaapiDrmPicture::~VaapiDrmPicture() { |
| if (gl_image_ && make_context_current_cb_.Run()) { |
| gl_image_->ReleaseTexImage(GL_TEXTURE_EXTERNAL_OES); |
| gl_image_->Destroy(true); |
| |
| DCHECK_EQ(glGetError(), static_cast<GLenum>(GL_NO_ERROR)); |
| } |
| } |
| |
| bool VaapiDrmPicture::Initialize() { |
| // We want to create a VASurface and an EGLImage out of the same |
| // memory buffer, so we can output decoded pictures to it using |
| // VAAPI and also use it to paint with GL. |
| ui::OzonePlatform* platform = ui::OzonePlatform::GetInstance(); |
| ui::SurfaceFactoryOzone* factory = platform->GetSurfaceFactoryOzone(); |
| pixmap_ = factory->CreateNativePixmap(gfx::kNullAcceleratedWidget, size(), |
| kPictureForGLImageFormat, |
| gfx::BufferUsage::SCANOUT); |
| if (!pixmap_) { |
| LOG(ERROR) << "Failed creating an Ozone NativePixmap"; |
| return false; |
| } |
| |
| va_surface_ = vaapi_wrapper_->CreateVASurfaceForPixmap(pixmap_); |
| if (!va_surface_) { |
| LOG(ERROR) << "Failed creating VASurface for NativePixmap"; |
| return false; |
| } |
| |
| pixmap_->SetProcessingCallback( |
| base::Bind(&VaapiWrapper::ProcessPixmap, vaapi_wrapper_)); |
| |
| if (!make_context_current_cb_.Run()) |
| return false; |
| |
| gfx::ScopedTextureBinder texture_binder(GL_TEXTURE_EXTERNAL_OES, |
| texture_id()); |
| scoped_refptr<gfx::GLImageOzoneNativePixmap> image( |
| new gfx::GLImageOzoneNativePixmap(size(), GL_BGRA_EXT)); |
| if (!image->Initialize(pixmap_.get(), pixmap_->GetBufferFormat())) { |
| LOG(ERROR) << "Failed to create GLImage"; |
| return false; |
| } |
| gl_image_ = image; |
| if (!gl_image_->BindTexImage(GL_TEXTURE_EXTERNAL_OES)) { |
| LOG(ERROR) << "Failed to bind texture to GLImage"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool VaapiDrmPicture::DownloadFromSurface( |
| const scoped_refptr<VASurface>& va_surface) { |
| return vaapi_wrapper_->BlitSurface(va_surface, va_surface_); |
| } |
| |
| scoped_refptr<gl::GLImage> VaapiDrmPicture::GetImageToBind() { |
| return gl_image_; |
| } |
| |
| bool VaapiDrmPicture::AllowOverlay() const { |
| return true; |
| } |
| |
| } // namespace |