chromium/third_party/blink/renderer/modules/webaudio/dynamics_compressor_handler.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/webaudio/dynamics_compressor_handler.h"

#include "base/trace_event/typed_macros.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"

namespace blink {

namespace {

// Set output to stereo by default.
constexpr unsigned kDefaultNumberOfOutputChannels = …;

}  // namespace

DynamicsCompressorHandler::DynamicsCompressorHandler(
    AudioNode& node,
    float sample_rate,
    AudioParamHandler& threshold,
    AudioParamHandler& knee,
    AudioParamHandler& ratio,
    AudioParamHandler& attack,
    AudioParamHandler& release)
    : … { … }

scoped_refptr<DynamicsCompressorHandler> DynamicsCompressorHandler::Create(
    AudioNode& node,
    float sample_rate,
    AudioParamHandler& threshold,
    AudioParamHandler& knee,
    AudioParamHandler& ratio,
    AudioParamHandler& attack,
    AudioParamHandler& release) { … }

DynamicsCompressorHandler::~DynamicsCompressorHandler() { … }

void DynamicsCompressorHandler::Process(uint32_t frames_to_process) { … }

void DynamicsCompressorHandler::ProcessOnlyAudioParams(
    uint32_t frames_to_process) { … }

void DynamicsCompressorHandler::Initialize() { … }

bool DynamicsCompressorHandler::RequiresTailProcessing() const { … }

double DynamicsCompressorHandler::TailTime() const { … }

double DynamicsCompressorHandler::LatencyTime() const { … }

void DynamicsCompressorHandler::SetChannelCount(
    unsigned channel_count,
    ExceptionState& exception_state) { … }

void DynamicsCompressorHandler::SetChannelCountMode(
    const String& mode,
    ExceptionState& exception_state) { … }

}  // namespace blink