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
|
/*
* Copyright (C) 2011, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_ELEMENT_AUDIO_SOURCE_NODE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_ELEMENT_AUDIO_SOURCE_NODE_H_
#include "base/memory/scoped_refptr.h"
#include "base/notreached.h"
#include "base/task/single_thread_task_runner.h"
#include "base/thread_annotations.h"
#include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node.h"
#include "third_party/blink/renderer/modules/webaudio/media_element_audio_source_handler.h"
#include "third_party/blink/renderer/platform/audio/audio_source_provider_client.h"
#include "third_party/blink/renderer/platform/audio/media_multi_channel_resampler.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
namespace blink {
class AudioContext;
class HTMLMediaElement;
class MediaElementAudioSourceOptions;
class MediaElementAudioSourceNode final
: public AudioNode,
public AudioSourceProviderClient,
public ActiveScriptWrappable<MediaElementAudioSourceNode> {
DEFINE_WRAPPERTYPEINFO();
public:
static MediaElementAudioSourceNode* Create(AudioContext&,
HTMLMediaElement&,
ExceptionState&);
static MediaElementAudioSourceNode*
Create(AudioContext*, const MediaElementAudioSourceOptions*, ExceptionState&);
MediaElementAudioSourceNode(AudioContext&, HTMLMediaElement&);
MediaElementAudioSourceHandler& GetMediaElementAudioSourceHandler() const;
HTMLMediaElement* mediaElement() const;
void ConnectToDestinationReady() override;
// AudioSourceProviderClient functions:
void SetFormat(uint32_t number_of_channels, float sample_rate) override;
void lock() override EXCLUSIVE_LOCK_FUNCTION(
GetMediaElementAudioSourceHandler().GetProcessLock());
void unlock() override
UNLOCK_FUNCTION(GetMediaElementAudioSourceHandler().GetProcessLock());
void OnCurrentSrcChanged(const KURL& current_src) override {}
// InspectorHelperMixin
void ReportDidCreate() final;
void ReportWillBeDestroyed() final;
// GC
bool HasPendingActivity() const final;
void Trace(Visitor*) const override;
private:
Member<HTMLMediaElement> media_element_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_ELEMENT_AUDIO_SOURCE_NODE_H_
|
