1// Copyright 2014 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/ozone/media_ozone_platform.h"
6
7#include "base/debug/trace_event.h"
8#include "base/logging.h"
9#include "ui/ozone/platform_object.h"
10#include "ui/ozone/platform_selection.h"
11
12namespace media {
13
14namespace {
15
16class MediaOzonePlatformStub : public MediaOzonePlatform {
17 public:
18  MediaOzonePlatformStub() {}
19
20  virtual ~MediaOzonePlatformStub() {}
21
22 private:
23  DISALLOW_COPY_AND_ASSIGN(MediaOzonePlatformStub);
24};
25
26}  // namespace
27
28// The following statics are just convenient stubs, declared by the
29// generate_constructor_list.py script. They should be removed once the
30// internal Ozone platforms decide to actually implement their media specifics.
31MediaOzonePlatform* CreateMediaOzonePlatformCaca() {
32  return new MediaOzonePlatformStub;
33}
34
35MediaOzonePlatform* CreateMediaOzonePlatformDri() {
36  return new MediaOzonePlatformStub;
37}
38
39MediaOzonePlatform* CreateMediaOzonePlatformEgltest() {
40  return new MediaOzonePlatformStub;
41}
42
43MediaOzonePlatform* CreateMediaOzonePlatformGbm() {
44  return new MediaOzonePlatformStub;
45}
46
47MediaOzonePlatform* CreateMediaOzonePlatformTest() {
48  return new MediaOzonePlatformStub;
49}
50
51MediaOzonePlatform::MediaOzonePlatform() {
52  CHECK(!instance_) << "There should only be a single MediaOzonePlatform.";
53  instance_ = this;
54}
55
56MediaOzonePlatform::~MediaOzonePlatform() {
57  CHECK_EQ(instance_, this);
58  instance_ = NULL;
59}
60
61// static
62MediaOzonePlatform* MediaOzonePlatform::GetInstance() {
63  if (!instance_)
64    CreateInstance();
65  return instance_;
66}
67
68VideoDecodeAccelerator* MediaOzonePlatform::CreateVideoDecodeAccelerator(
69    const base::Callback<bool(void)>& make_context_current) {
70  NOTIMPLEMENTED();
71  return NULL;
72}
73
74// static
75void MediaOzonePlatform::CreateInstance() {
76  if (instance_)
77    return;
78
79  TRACE_EVENT1("ozone",
80               "MediaOzonePlatform::Initialize",
81               "platform",
82               ui::GetOzonePlatformName());
83  scoped_ptr<MediaOzonePlatform> platform =
84      ui::PlatformObject<MediaOzonePlatform>::Create();
85
86  // TODO(spang): Currently need to leak this object.
87  CHECK_EQ(instance_, platform.release());
88}
89
90// static
91MediaOzonePlatform* MediaOzonePlatform::instance_;
92
93}  // namespace media
94