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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Copyright (C) 2010, 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.
*/
#include "third_party/blink/renderer/modules/webaudio/convolver_node.h"
#include <memory>
#include "base/metrics/histogram_macros.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_convolver_options.h"
#include "third_party/blink/renderer/modules/webaudio/audio_buffer.h"
#include "third_party/blink/renderer/modules/webaudio/audio_graph_tracer.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_input.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_output.h"
#include "third_party/blink/renderer/platform/audio/reverb.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
ConvolverNode::ConvolverNode(BaseAudioContext& context) : AudioNode(context) {
SetHandler(ConvolverHandler::Create(*this, context.sampleRate()));
}
ConvolverNode* ConvolverNode::Create(BaseAudioContext& context,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
return MakeGarbageCollected<ConvolverNode>(context);
}
ConvolverNode* ConvolverNode::Create(BaseAudioContext* context,
const ConvolverOptions* options,
ExceptionState& exception_state) {
ConvolverNode* node = Create(*context, exception_state);
if (!node) {
return nullptr;
}
node->HandleChannelOptions(options, exception_state);
// It is important to set normalize first because setting the buffer will
// examing the normalize attribute to see if normalization needs to be done.
node->setNormalize(!options->disableNormalization());
if (options->hasBuffer()) {
node->setBuffer(options->buffer(), exception_state);
}
return node;
}
ConvolverHandler& ConvolverNode::GetConvolverHandler() const {
return static_cast<ConvolverHandler&>(Handler());
}
AudioBuffer* ConvolverNode::buffer() const {
return buffer_.Get();
}
void ConvolverNode::setBuffer(AudioBuffer* new_buffer,
ExceptionState& exception_state) {
GetConvolverHandler().SetBuffer(new_buffer, exception_state);
if (!exception_state.HadException()) {
buffer_ = new_buffer;
}
}
bool ConvolverNode::normalize() const {
return GetConvolverHandler().Normalize();
}
void ConvolverNode::setNormalize(bool normalize) {
GetConvolverHandler().SetNormalize(normalize);
}
void ConvolverNode::Trace(Visitor* visitor) const {
visitor->Trace(buffer_);
AudioNode::Trace(visitor);
}
void ConvolverNode::ReportDidCreate() {
GraphTracer().DidCreateAudioNode(this);
}
void ConvolverNode::ReportWillBeDestroyed() {
GraphTracer().WillDestroyAudioNode(this);
}
} // namespace blink
|
