xref: /foundation/distributedhardware/distributed_audio/services/audiohdiproxy/include/idaudio_hdi_callback.h

/*
 * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OHOS_IDAUDIO_HDI_CALLBACK_H
#define OHOS_IDAUDIO_HDI_CALLBACK_H

#include "audio_data.h"
#include "audio_event.h"
#include "audio_param.h"

namespace OHOS {
namespace DistributedHardware {
class IDAudioHdiCallback {
public:
    virtual ~IDAudioHdiCallback() = default;

    virtual int32_t CreateStream(const int32_t streamId) = 0;

    virtual int32_t DestroyStream(const int32_t streamId) = 0;

    virtual int32_t SetParameters(const int32_t streamId, const AudioParamHDF &param) = 0;

    virtual int32_t NotifyEvent(const int32_t streamId, const AudioEvent &event) = 0;

    virtual int32_t WriteStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) = 0;

    virtual int32_t ReadStreamData(const int32_t streamId, std::shared_ptr<AudioData> &data) = 0;

    virtual int32_t ReadMmapPosition(const int32_t streamId, uint64_t &frames, CurrentTimeHDF &time) = 0;

    virtual int32_t RefreshAshmemInfo(const int32_t streamId,
        int32_t fd, int32_t ashmemLength, int32_t lengthPerTrans) = 0;
};
} // DistributedHardware
} // OHOS

#endif // OHOS_IDAUDIO_HDI_CALLBACK_H