blob: aad7fff7f0528e161ea1b82ee6139c216dd56424 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_RENDERERS_WIN_MEDIA_FOUNDATION_PROTECTION_MANAGER_H_
#define MEDIA_RENDERERS_WIN_MEDIA_FOUNDATION_PROTECTION_MANAGER_H_
#include <mfapi.h>
#include <mfidl.h>
#include <windows.media.protection.h>
#include <wrl.h>
#include "base/cancelable_callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "media/base/waiting.h"
#include "media/base/win/media_foundation_cdm_proxy.h"
namespace media {
// Implements IMFContentProtectionManager
// (https://docs.microsoft.com/en-us/windows/win32/api/mfidl/nn-mfidl-imfcontentprotectionmanager)
// and ABI::Windows::Media::Protection::IMediaProtectionManager
// (https://docs.microsoft.com/en-us/uwp/api/windows.media.protection.mediaprotectionmanager)
// required by IMFMediaEngineProtectedContent::SetContentProtectionManager in
// https://docs.microsoft.com/en-us/windows/win32/api/mfmediaengine/nf-mfmediaengine-imfmediaengineprotectedcontent-setcontentprotectionmanager.
//
class MediaFoundationProtectionManager
: public Microsoft::WRL::RuntimeClass<
Microsoft::WRL::RuntimeClassFlags<
Microsoft::WRL::RuntimeClassType::WinRtClassicComMix |
Microsoft::WRL::RuntimeClassType::InhibitRoOriginateError>,
IMFContentProtectionManager,
ABI::Windows::Media::Protection::IMediaProtectionManager> {
public:
MediaFoundationProtectionManager();
~MediaFoundationProtectionManager() override;
HRESULT RuntimeClassInitialize(
scoped_refptr<base::SequencedTaskRunner> task_runner,
WaitingCB waiting_cb);
HRESULT SetCdmProxy(scoped_refptr<MediaFoundationCdmProxy> cdm_proxy);
// IMFContentProtectionManager.
IFACEMETHODIMP BeginEnableContent(IMFActivate* enabler_activate,
IMFTopology* topology,
IMFAsyncCallback* callback,
IUnknown* state) override;
IFACEMETHODIMP EndEnableContent(IMFAsyncResult* async_result) override;
// IMediaProtectionManager.
// MFMediaEngine can query this interface to invoke get_Properties().
IFACEMETHODIMP add_ServiceRequested(
ABI::Windows::Media::Protection::IServiceRequestedEventHandler* handler,
EventRegistrationToken* cookie) override;
IFACEMETHODIMP remove_ServiceRequested(
EventRegistrationToken cookie) override;
IFACEMETHODIMP add_RebootNeeded(
ABI::Windows::Media::Protection::IRebootNeededEventHandler* handler,
EventRegistrationToken* cookie) override;
IFACEMETHODIMP remove_RebootNeeded(EventRegistrationToken cookie) override;
IFACEMETHODIMP add_ComponentLoadFailed(
ABI::Windows::Media::Protection::IComponentLoadFailedEventHandler*
handler,
EventRegistrationToken* cookie) override;
IFACEMETHODIMP remove_ComponentLoadFailed(
EventRegistrationToken cookie) override;
IFACEMETHODIMP get_Properties(
ABI::Windows::Foundation::Collections::IPropertySet** value) override;
private:
HRESULT SetPMPServer(
ABI::Windows::Media::Protection::IMediaProtectionPMPServer* pmp_server);
// These methods are all running on `task_runner_` due to the threading
// requirement of `base::CancelableOnceClosure`.
void OnBeginEnableContent();
void OnEndEnableContent();
void OnWaitingForKeyTimeOut();
scoped_refptr<base::SequencedTaskRunner> task_runner_;
WaitingCB waiting_cb_;
base::CancelableOnceClosure waiting_for_key_time_out_cb_;
scoped_refptr<MediaFoundationCdmProxy> cdm_proxy_;
Microsoft::WRL::ComPtr<ABI::Windows::Foundation::Collections::IPropertySet>
property_set_;
// This must be the last member.
base::WeakPtrFactory<MediaFoundationProtectionManager> weak_factory_{this};
};
} // namespace media
#endif // MEDIA_RENDERERS_WIN_MEDIA_FOUNDATION_PROTECTION_MANAGER_H_
|
