| // Copyright 2017 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 "media/gpu/windows/d3d11_video_decoder_impl.h" |
| |
| #include "base/bind.h" |
| #include "gpu/command_buffer/common/sync_token.h" |
| #include "gpu/command_buffer/service/scheduler.h" |
| #include "gpu/ipc/service/gpu_channel.h" |
| #include "media/base/media_log.h" |
| #include "media/gpu/windows/d3d11_picture_buffer.h" |
| |
| namespace media { |
| |
| D3D11VideoDecoderImpl::D3D11VideoDecoderImpl( |
| std::unique_ptr<MediaLog> media_log, |
| base::RepeatingCallback<scoped_refptr<CommandBufferHelper>()> get_helper_cb) |
| : media_log_(std::move(media_log)), |
| get_helper_cb_(std::move(get_helper_cb)), |
| weak_factory_(this) { |
| // May be called from any thread. |
| } |
| |
| D3D11VideoDecoderImpl::~D3D11VideoDecoderImpl() { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| } |
| |
| void D3D11VideoDecoderImpl::Initialize( |
| InitCB init_cb, |
| ReturnPictureBufferCB return_picture_buffer_cb) { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| |
| return_picture_buffer_cb_ = std::move(return_picture_buffer_cb); |
| |
| // If have a helper, then we're as initialized as we need to be. |
| if (helper_) { |
| std::move(init_cb).Run(true); |
| return; |
| } |
| helper_ = get_helper_cb_.Run(); |
| |
| // Get the stub, register, and generally do stuff. |
| if (!helper_ || !helper_->MakeContextCurrent()) { |
| const char* reason = "Failed to make context current."; |
| DLOG(ERROR) << reason; |
| if (media_log_) { |
| media_log_->AddEvent(media_log_->CreateStringEvent( |
| MediaLogEvent::MEDIA_ERROR_LOG_ENTRY, "error", reason)); |
| } |
| std::move(init_cb).Run(false); |
| return; |
| } |
| |
| std::move(init_cb).Run(true); |
| } |
| |
| void D3D11VideoDecoderImpl::OnMailboxReleased( |
| scoped_refptr<D3D11PictureBuffer> buffer, |
| const gpu::SyncToken& sync_token) { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| |
| if (!helper_) |
| return; |
| |
| helper_->WaitForSyncToken( |
| sync_token, base::BindOnce(&D3D11VideoDecoderImpl::OnSyncTokenReleased, |
| GetWeakPtr(), std::move(buffer))); |
| } |
| |
| void D3D11VideoDecoderImpl::OnSyncTokenReleased( |
| scoped_refptr<D3D11PictureBuffer> buffer) { |
| DCHECK_CALLED_ON_VALID_THREAD(thread_checker_); |
| |
| return_picture_buffer_cb_.Run(std::move(buffer)); |
| } |
| |
| base::WeakPtr<D3D11VideoDecoderImpl> D3D11VideoDecoderImpl::GetWeakPtr() { |
| // May be called from any thread. |
| return weak_factory_.GetWeakPtr(); |
| } |
| |
| } // namespace media |