/*
 * Copyright 2015 The Android Open Source Project
 * Copyright 2015-2019 Savoir-faire Linux Inc.
 *
 * 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.
 */

#pragma once

#include "audio_common.h"
#include "buf_manager.h"
#include "noncopyable.h"

#include <sys/types.h>
#include <SLES/OpenSLES_Android.h>

#include <mutex>

namespace jami {
namespace opensl {

class AudioPlayer
{
    // buffer queue player interfaces
    SLObjectItf outputMixObjectItf_;
    SLObjectItf playerObjectItf_;
    SLPlayItf playItf_;
    SLAndroidSimpleBufferQueueItf playBufferQueueItf_;

    jami::AudioFormat sampleInfo_;
    AudioQueue* freeQueue_ {nullptr};                            // user
    AudioQueue* playQueue_ {nullptr};                            // user
    AudioQueue devShadowQueue_ {DEVICE_SHADOW_BUFFER_QUEUE_LEN}; // owner
    sample_buf silentBuf_;

    EngineCallback callback_ {};

public:
    explicit AudioPlayer(jami::AudioFormat sampleFormat,
                         size_t bufSize,
                         SLEngineItf engine,
                         SLint32 streamType);
    ~AudioPlayer();
    NON_COPYABLE(AudioPlayer);

    bool start();
    void stop();
    bool started() const;

    void setBufQueue(AudioQueue* playQ, AudioQueue* freeQ);
    void processSLCallback(SLAndroidSimpleBufferQueueItf bq);
    void playAudioBuffers(unsigned count);
    void registerCallback(EngineCallback cb) { callback_ = cb; }
    size_t dbgGetDevBufCount();

    std::mutex m_;
};

} // namespace opensl
} // namespace jami
