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media / audio / reconfigurable_audio_bus_pool.h [blame]
// 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.
#ifndef MEDIA_AUDIO_RECONFIGURABLE_AUDIO_BUS_POOL_H_
#define MEDIA_AUDIO_RECONFIGURABLE_AUDIO_BUS_POOL_H_
#include <memory>
#include "media/base/audio_bus.h"
#include "media/base/audio_bus_pool.h"
#include "media/base/audio_parameters.h"
#include "media/base/media_export.h"
#include "media/base/reentrancy_checker.h"
namespace media {
class AudioBusPool;
class MEDIA_EXPORT ReconfigurableAudioBusPoolImpl : public AudioBusPool {
public:
explicit ReconfigurableAudioBusPoolImpl(
base::TimeDelta preallocated_audio_bus_pool_duration);
ReconfigurableAudioBusPoolImpl(const ReconfigurableAudioBusPoolImpl&) =
delete;
ReconfigurableAudioBusPoolImpl& operator=(
const ReconfigurableAudioBusPoolImpl&) = delete;
~ReconfigurableAudioBusPoolImpl() override;
// AudioBusPool
// Must call Reconfigure() first and can't be called concurrently with
// Reconfigure().
std::unique_ptr<AudioBus> GetAudioBus() override;
void InsertAudioBus(std::unique_ptr<AudioBus> audio_bus) override;
// Must be called once before GetAudioBus() or InsertAudioBus() and can't be
// called concurrently with GetAudioBus() or InsertAudioBus().
void Reconfigure(const AudioParameters& audio_parameters);
private:
friend class ReconfigurableAudioBusPoolTest;
std::unique_ptr<AudioBusPool> audio_bus_pool_;
AudioParameters audio_parameters_;
const base::TimeDelta preallocated_audio_bus_pool_duration_;
REENTRANCY_CHECKER(reentrancy_checker_);
};
} // namespace media
#endif // MEDIA_AUDIO_RECONFIGURABLE_AUDIO_BUS_POOL_H_