/*
 * Copyright 2020 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 OBOETESTER_STREAM_CALLBACK_H
#define OBOETESTER_STREAM_CALLBACK_H

#include <unistd.h>
#include <sys/types.h>
#include <sys/sysinfo.h>
#include "flowgraph/FlowGraphNode.h"
#include "oboe/Oboe.h"
#include "synth/Synthesizer.h"
#include "synth/SynthTools.h"

class OboeTesterStreamCallback : public oboe::AudioStreamCallback {
public:
    virtual ~OboeTesterStreamCallback() = default;

    // Call this before starting.
    void reset() {
        mPreviousScheduler = -1;
    }

    static int64_t getNanoseconds(clockid_t clockId = CLOCK_MONOTONIC);

    /**
     * Specify a sleep time that will hang the audio periodically.
     *
     * @param hangTimeMillis
     */
    static void setHangTimeMillis(int hangTimeMillis) {
        mHangTimeMillis = hangTimeMillis;
    }

protected:
    void        printScheduler();
    void        maybeHang(int64_t nowNanos);

    int         mPreviousScheduler = -1;
    static int  mHangTimeMillis;
    int64_t     mNextTimeToHang = 0;
};


#endif //OBOETESTER_STREAM_CALLBACK_H