chromium/services/audio/delay_buffer.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "services/audio/delay_buffer.h"

#include <algorithm>
#include <utility>

#include "base/numerics/safe_conversions.h"
#include "base/trace_event/trace_event.h"
#include "media/base/audio_bus.h"
#include "media/base/vector_math.h"

namespace audio {

DelayBuffer::DelayBuffer(int history_size) : … { … }

DelayBuffer::~DelayBuffer() = default;

void DelayBuffer::Write(FrameTicks position,
                        const media::AudioBus& input_bus,
                        double volume) { … }

void DelayBuffer::Read(FrameTicks from,
                       int frames_to_read,
                       media::AudioBus* output_bus) { … }

DelayBuffer::FrameTicks DelayBuffer::GetBeginPosition() const { … }

DelayBuffer::FrameTicks DelayBuffer::GetEndPosition() const { … }

DelayBuffer::InputChunk::InputChunk(FrameTicks p,
                                    std::unique_ptr<media::AudioBus> b)
    : … { … }
DelayBuffer::InputChunk::InputChunk(DelayBuffer::InputChunk&&) = default;
DelayBuffer::InputChunk& DelayBuffer::InputChunk::operator=(
    DelayBuffer::InputChunk&&) = default;
DelayBuffer::InputChunk::~InputChunk() = default;

DelayBuffer::FrameTicks DelayBuffer::InputChunk::GetEndPosition() const { … }

}  // namespace audio