chromium/services/audio/processing_audio_fifo.h

// 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.

#ifndef SERVICES_AUDIO_PROCESSING_AUDIO_FIFO_H_
#define SERVICES_AUDIO_PROCESSING_AUDIO_FIFO_H_

#include <string_view>

#include "base/functional/callback_forward.h"
#include "base/sequence_checker.h"
#include "base/synchronization/atomic_flag.h"
#include "base/synchronization/lock.h"
#include "base/synchronization/waitable_event.h"
#include "base/thread_annotations.h"
#include "media/base/audio_glitch_info.h"
#include "media/base/audio_parameters.h"
#include "services/audio/realtime_audio_thread.h"

namespace media {
class AudioBus;
}

namespace audio {

// ProcessingAudioFifo is a ring buffer, which offloads audio processing to its
// own dedicated real-time thread. It interacts with 3 sequences:
//   - An owning sequence, on which it is constructed, started, stopped and
//     destroyed.
//   - A capture sequence which calls PushData().
//   - A processing thread, which ProcessingAudioFifo owns, on which a
//     processing callback is called.
class ProcessingAudioFifo { … };

}  // namespace audio

#endif  // SERVICES_AUDIO_PROCESSING_AUDIO_FIFO_H_