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/*
* 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.
*/
#include "third_party/blink/renderer/modules/webaudio/dynamics_compressor_node.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_dynamics_compressor_options.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/audio_utilities.h"
#include "third_party/blink/renderer/platform/audio/dynamics_compressor.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
namespace blink {
namespace {
constexpr double kDefaultThresholdValue = -24.0;
constexpr float kMinThresholdValue = -100.0f;
constexpr float kMaxThresholdValue = 0.0f;
constexpr double kDefaultKneeValue = 30.0;
constexpr float kMinKneeValue = 0.0f;
constexpr float kMaxKneeValue = 40.0f;
constexpr double kDefaultRatioValue = 12.0;
constexpr float kMinRatioValue = 1.0f;
constexpr float kMaxRatioValue = 20.0f;
constexpr double kDefaultAttackValue = 0.003;
constexpr float kMinAttackValue = 0.0f;
constexpr float kMaxAttackValue = 1.0f;
constexpr double kDefaultReleaseValue = 0.250;
constexpr float kMinReleaseValue = 0.0f;
constexpr float kMaxReleaseValue = 1.0f;
} // namespace
DynamicsCompressorNode::DynamicsCompressorNode(BaseAudioContext& context)
: AudioNode(context),
threshold_(
AudioParam::Create(context,
Uuid(),
AudioParamHandler::AudioParamType::
kParamTypeDynamicsCompressorThreshold,
kDefaultThresholdValue,
AudioParamHandler::AutomationRate::kControl,
AudioParamHandler::AutomationRateMode::kFixed,
kMinThresholdValue,
kMaxThresholdValue)),
knee_(AudioParam::Create(
context,
Uuid(),
AudioParamHandler::AudioParamType::kParamTypeDynamicsCompressorKnee,
kDefaultKneeValue,
AudioParamHandler::AutomationRate::kControl,
AudioParamHandler::AutomationRateMode::kFixed,
kMinKneeValue,
kMaxKneeValue)),
ratio_(AudioParam::Create(
context,
Uuid(),
AudioParamHandler::AudioParamType::kParamTypeDynamicsCompressorRatio,
kDefaultRatioValue,
AudioParamHandler::AutomationRate::kControl,
AudioParamHandler::AutomationRateMode::kFixed,
kMinRatioValue,
kMaxRatioValue)),
attack_(AudioParam::Create(
context,
Uuid(),
AudioParamHandler::AudioParamType::kParamTypeDynamicsCompressorAttack,
kDefaultAttackValue,
AudioParamHandler::AutomationRate::kControl,
AudioParamHandler::AutomationRateMode::kFixed,
kMinAttackValue,
kMaxAttackValue)),
release_(AudioParam::Create(context,
Uuid(),
AudioParamHandler::AudioParamType::
kParamTypeDynamicsCompressorRelease,
kDefaultReleaseValue,
AudioParamHandler::AutomationRate::kControl,
AudioParamHandler::AutomationRateMode::kFixed,
kMinReleaseValue,
kMaxReleaseValue)) {
SetHandler(DynamicsCompressorHandler::Create(
*this, context.sampleRate(), threshold_->Handler(), knee_->Handler(),
ratio_->Handler(), attack_->Handler(), release_->Handler()));
}
DynamicsCompressorNode* DynamicsCompressorNode::Create(
BaseAudioContext& context,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
return MakeGarbageCollected<DynamicsCompressorNode>(context);
}
DynamicsCompressorNode* DynamicsCompressorNode::Create(
BaseAudioContext* context,
const DynamicsCompressorOptions* options,
ExceptionState& exception_state) {
DynamicsCompressorNode* node = Create(*context, exception_state);
if (!node) {
return nullptr;
}
node->HandleChannelOptions(options, exception_state);
node->attack()->setValue(options->attack());
node->knee()->setValue(options->knee());
node->ratio()->setValue(options->ratio());
node->release()->setValue(options->release());
node->threshold()->setValue(options->threshold());
return node;
}
void DynamicsCompressorNode::Trace(Visitor* visitor) const {
visitor->Trace(threshold_);
visitor->Trace(knee_);
visitor->Trace(ratio_);
visitor->Trace(attack_);
visitor->Trace(release_);
AudioNode::Trace(visitor);
}
DynamicsCompressorHandler&
DynamicsCompressorNode::GetDynamicsCompressorHandler() const {
return static_cast<DynamicsCompressorHandler&>(Handler());
}
AudioParam* DynamicsCompressorNode::threshold() const {
return threshold_.Get();
}
AudioParam* DynamicsCompressorNode::knee() const {
return knee_.Get();
}
AudioParam* DynamicsCompressorNode::ratio() const {
return ratio_.Get();
}
float DynamicsCompressorNode::reduction() const {
return GetDynamicsCompressorHandler().ReductionValue();
}
AudioParam* DynamicsCompressorNode::attack() const {
return attack_.Get();
}
AudioParam* DynamicsCompressorNode::release() const {
return release_.Get();
}
void DynamicsCompressorNode::ReportDidCreate() {
GraphTracer().DidCreateAudioNode(this);
GraphTracer().DidCreateAudioParam(attack_);
GraphTracer().DidCreateAudioParam(knee_);
GraphTracer().DidCreateAudioParam(ratio_);
GraphTracer().DidCreateAudioParam(release_);
GraphTracer().DidCreateAudioParam(threshold_);
}
void DynamicsCompressorNode::ReportWillBeDestroyed() {
GraphTracer().WillDestroyAudioParam(attack_);
GraphTracer().WillDestroyAudioParam(knee_);
GraphTracer().WillDestroyAudioParam(ratio_);
GraphTracer().WillDestroyAudioParam(release_);
GraphTracer().WillDestroyAudioParam(threshold_);
GraphTracer().WillDestroyAudioNode(this);
}
} // namespace blink
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