AudioStreamCallback.h

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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 OBOE_STREAM_CALLBACK_H
#define OBOE_STREAM_CALLBACK_H

#include "oboe/Definitions.h"

namespace oboe {

class AudioStream;

class AudioStreamDataCallback {
public:
    virtual ~AudioStreamDataCallback() = default;

    virtual DataCallbackResult onAudioReady(
            AudioStream *audioStream,
            void *audioData,
            int32_t numFrames) = 0;
};

class AudioStreamErrorCallback {
public:
    virtual ~AudioStreamErrorCallback() = default;

    virtual bool onError(AudioStream* /* audioStream */, Result /* error */) {
        return false;
    }

    virtual void onErrorBeforeClose(AudioStream* /* audioStream */, Result /* error */) {}

    virtual void onErrorAfterClose(AudioStream* /* audioStream */, Result /* error */) {}

};

class AudioStreamCallback : public AudioStreamDataCallback,
                            public AudioStreamErrorCallback {
public:
    virtual ~AudioStreamCallback() = default;
};

} // namespace oboe

#endif //OBOE_STREAM_CALLBACK_H