1 // Copyright 2017 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 "media/gpu/windows/d3d11_video_decoder_impl.h"
6
7 #include "base/bind.h"
8 #include "gpu/command_buffer/common/sync_token.h"
9 #include "gpu/command_buffer/service/scheduler.h"
10 #include "gpu/ipc/service/gpu_channel.h"
11 #include "media/base/bind_to_current_loop.h"
12 #include "media/base/media_log.h"
13 #include "media/gpu/windows/d3d11_picture_buffer.h"
14
15 namespace media {
16
D3D11VideoDecoderImpl(std::unique_ptr<MediaLog> media_log,base::RepeatingCallback<scoped_refptr<CommandBufferHelper> ()> get_helper_cb)17 D3D11VideoDecoderImpl::D3D11VideoDecoderImpl(
18 std::unique_ptr<MediaLog> media_log,
19 base::RepeatingCallback<scoped_refptr<CommandBufferHelper>()> get_helper_cb)
20 : media_log_(std::move(media_log)),
21 get_helper_cb_(std::move(get_helper_cb)) {
22 // May be called from any thread.
23 }
24
~D3D11VideoDecoderImpl()25 D3D11VideoDecoderImpl::~D3D11VideoDecoderImpl() {
26 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
27 }
28
Initialize(InitCB init_cb)29 void D3D11VideoDecoderImpl::Initialize(InitCB init_cb) {
30 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
31
32 // If have a helper, then we're as initialized as we need to be.
33 if (helper_) {
34 std::move(init_cb).Run(true, release_mailbox_cb_);
35 return;
36 }
37 helper_ = get_helper_cb_.Run();
38
39 // Get the stub, register, and generally do stuff.
40 if (!helper_ || !helper_->MakeContextCurrent()) {
41 const char* reason = "Failed to make context current.";
42 DLOG(ERROR) << reason;
43 if (media_log_)
44 MEDIA_LOG(ERROR, media_log_) << reason;
45
46 std::move(init_cb).Run(false, ReleaseMailboxCB());
47 return;
48 }
49
50 release_mailbox_cb_ = BindToCurrentLoop(base::BindRepeating(
51 &D3D11VideoDecoderImpl::OnMailboxReleased, GetWeakPtr()));
52
53 std::move(init_cb).Run(true, release_mailbox_cb_);
54 }
55
OnMailboxReleased(base::OnceClosure wait_complete_cb,const gpu::SyncToken & sync_token)56 void D3D11VideoDecoderImpl::OnMailboxReleased(
57 base::OnceClosure wait_complete_cb,
58 const gpu::SyncToken& sync_token) {
59 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
60
61 if (!helper_) {
62 std::move(wait_complete_cb).Run();
63 return;
64 }
65
66 helper_->WaitForSyncToken(
67 sync_token, base::BindOnce(&D3D11VideoDecoderImpl::OnSyncTokenReleased,
68 GetWeakPtr(), std::move(wait_complete_cb)));
69 }
70
OnSyncTokenReleased(base::OnceClosure wait_complete_cb)71 void D3D11VideoDecoderImpl::OnSyncTokenReleased(
72 base::OnceClosure wait_complete_cb) {
73 DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
74
75 std::move(wait_complete_cb).Run();
76 }
77
GetWeakPtr()78 base::WeakPtr<D3D11VideoDecoderImpl> D3D11VideoDecoderImpl::GetWeakPtr() {
79 // May be called from any thread.
80 return weak_factory_.GetWeakPtr();
81 }
82
83 } // namespace media
84