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 12 namespace media { 13 14 namespace { 15 16 class MediaOzonePlatformStub : public MediaOzonePlatform { 17 public: MediaOzonePlatformStub()18 MediaOzonePlatformStub() {} 19 ~MediaOzonePlatformStub()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. CreateMediaOzonePlatformCaca()31MediaOzonePlatform* CreateMediaOzonePlatformCaca() { 32 return new MediaOzonePlatformStub; 33 } 34 CreateMediaOzonePlatformDri()35MediaOzonePlatform* CreateMediaOzonePlatformDri() { 36 return new MediaOzonePlatformStub; 37 } 38 CreateMediaOzonePlatformEgltest()39MediaOzonePlatform* CreateMediaOzonePlatformEgltest() { 40 return new MediaOzonePlatformStub; 41 } 42 CreateMediaOzonePlatformGbm()43MediaOzonePlatform* CreateMediaOzonePlatformGbm() { 44 return new MediaOzonePlatformStub; 45 } 46 CreateMediaOzonePlatformTest()47MediaOzonePlatform* CreateMediaOzonePlatformTest() { 48 return new MediaOzonePlatformStub; 49 } 50 MediaOzonePlatform()51MediaOzonePlatform::MediaOzonePlatform() { 52 CHECK(!instance_) << "There should only be a single MediaOzonePlatform."; 53 instance_ = this; 54 } 55 ~MediaOzonePlatform()56MediaOzonePlatform::~MediaOzonePlatform() { 57 CHECK_EQ(instance_, this); 58 instance_ = NULL; 59 } 60 61 // static GetInstance()62MediaOzonePlatform* MediaOzonePlatform::GetInstance() { 63 if (!instance_) 64 CreateInstance(); 65 return instance_; 66 } 67 CreateVideoDecodeAccelerator(const base::Callback<bool (void)> & make_context_current)68VideoDecodeAccelerator* MediaOzonePlatform::CreateVideoDecodeAccelerator( 69 const base::Callback<bool(void)>& make_context_current) { 70 NOTIMPLEMENTED(); 71 return NULL; 72 } 73 74 // static CreateInstance()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 91 MediaOzonePlatform* MediaOzonePlatform::instance_; 92 93 } // namespace media 94