chromium/components/capture_mode/audio_capturer.cc

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/capture_mode/audio_capturer.h"

#include "base/functional/bind.h"
#include "base/sequence_checker.h"
#include "media/base/audio_bus.h"
#include "services/audio/public/cpp/device_factory.h"

namespace capture_mode {

namespace {

constexpr int kPreAllocatedBuses = …;
constexpr int kMaxBusCapacity = …;

}  // namespace

AudioCapturer::AudioCapturer(
    std::string_view device_id,
    mojo::PendingRemote<media::mojom::AudioStreamFactory> audio_stream_factory,
    const media::AudioParameters& audio_params,
    OnAudioCapturedCallback callback)
    : … { … }

AudioCapturer::~AudioCapturer() = default;

void AudioCapturer::Start() { … }

void AudioCapturer::Stop() { … }

void AudioCapturer::OnCaptureStarted() { … }

void AudioCapturer::Capture(const media::AudioBus* audio_source,
                            base::TimeTicks audio_capture_time,
                            const media::AudioGlitchInfo& glitch_info,
                            double volume,
                            bool key_pressed) { … }

void AudioCapturer::OnCaptureError(media::AudioCapturerSource::ErrorCode code,
                                   const std::string& message) { … }

void AudioCapturer::OnCaptureMuted(bool is_muted) { … }

void AudioCapturer::OnAudioBusDone(
    std::unique_ptr<media::AudioBus> backing_audio_bus) { … }

}  // namespace capture_mode