chromium/media/audio/audio_system_helper.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/audio/audio_system_helper.h"

#include "base/task/single_thread_task_runner.h"
#include "media/audio/audio_manager.h"
#include "media/base/limits.h"

namespace media {

namespace {

std::optional<AudioParameters> TryToFixChannels(const AudioParameters& params) { … }

}  // namespace

AudioSystemHelper::AudioSystemHelper(AudioManager* audio_manager)
    : … { … }

AudioSystemHelper::~AudioSystemHelper() = default;

void AudioSystemHelper::GetInputStreamParameters(
    const std::string& device_id,
    AudioSystem::OnAudioParamsCallback on_params_cb) { … }

void AudioSystemHelper::GetOutputStreamParameters(
    const std::string& device_id,
    AudioSystem::OnAudioParamsCallback on_params_cb) { … }

void AudioSystemHelper::HasInputDevices(
    AudioSystem::OnBoolCallback on_has_devices_cb) { … }

void AudioSystemHelper::HasOutputDevices(
    AudioSystem::OnBoolCallback on_has_devices_cb) { … }

void AudioSystemHelper::GetDeviceDescriptions(
    bool for_input,
    AudioSystem::OnDeviceDescriptionsCallback on_descriptions_cb) { … }

void AudioSystemHelper::GetAssociatedOutputDeviceID(
    const std::string& input_device_id,
    AudioSystem::OnDeviceIdCallback on_device_id_cb) { … }

void AudioSystemHelper::GetInputDeviceInfo(
    const std::string& input_device_id,
    AudioSystem::OnInputDeviceInfoCallback on_input_device_info_cb) { … }

std::optional<AudioParameters> AudioSystemHelper::ComputeInputParameters(
    const std::string& device_id) { … }

std::optional<AudioParameters> AudioSystemHelper::ComputeOutputParameters(
    const std::string& device_id) { … }

}  // namespace media