chromium/third_party/blink/renderer/modules/webaudio/stereo_panner_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/stereo_panner_handler.h"

#include "third_party/blink/renderer/bindings/modules/v8/v8_stereo_panner_options.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.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/modules/webaudio/base_audio_context.h"
#include "third_party/blink/renderer/platform/audio/stereo_panner.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/wtf/math_extras.h"

namespace blink {

namespace {

// A PannerNode only supports 1 or 2 channels
constexpr unsigned kMinimumOutputChannels = …;
constexpr unsigned kMaximumOutputChannels = …;

}  // namespace

StereoPannerHandler::StereoPannerHandler(AudioNode& node,
                                         float sample_rate,
                                         AudioParamHandler& pan)
    : … { … }

scoped_refptr<StereoPannerHandler> StereoPannerHandler::Create(
    AudioNode& node,
    float sample_rate,
    AudioParamHandler& pan) { … }

StereoPannerHandler::~StereoPannerHandler() { … }

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

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

void StereoPannerHandler::Initialize() { … }

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

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

}  // namespace blink