India/cocos2d-x/cocos/audio/android/OpenSLHelper.h

/****************************************************************************
Copyright (c) 2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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****************************************************************************/

#pragma once

#include "audio/android/cutils/log.h"

#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
#include <functional>
#include <string>

#define SL_SAFE_DELETE(obj) \
    if ((obj) != nullptr) { delete (obj); (obj) = nullptr; }

#define SL_DESTROY_OBJ(OBJ)    \
    if ((OBJ) != nullptr) { \
        (*(OBJ))->Destroy(OBJ); \
        (OBJ) = nullptr; \
    }

#define SL_RETURN_VAL_IF_FAILED(r, rval, ...) \
    if (r != SL_RESULT_SUCCESS) {\
        ALOGE(__VA_ARGS__); \
        return rval; \
    }

#define SL_RETURN_IF_FAILED(r, ...) \
    if (r != SL_RESULT_SUCCESS) {\
        ALOGE(__VA_ARGS__); \
        return; \
    }

#define SL_PRINT_ERROR_IF_FAILED(r, ...) \
    if (r != SL_RESULT_SUCCESS) {\
        ALOGE(__VA_ARGS__); \
    }

typedef std::function<int(const std::string&, off_t* start, off_t* length)> FdGetterCallback;


// Copied from OpenSLES_AndroidMetadata.h in android-21
// It's because android-10 doesn't contain this header file
/**
 * Additional metadata keys to be used in SLMetadataExtractionItf:
 *   the ANDROID_KEY_PCMFORMAT_* keys follow the fields of the SLDataFormat_PCM struct, and as such
 *   all values corresponding to these keys are of SLuint32 type, and are defined as the fields
 *   of the same name in SLDataFormat_PCM.  The exception is that sample rate is expressed here
 *   in Hz units, rather than in milliHz units.
 */
#ifndef ANDROID_KEY_PCMFORMAT_NUMCHANNELS
#define ANDROID_KEY_PCMFORMAT_NUMCHANNELS   "AndroidPcmFormatNumChannels"
#endif

#ifndef ANDROID_KEY_PCMFORMAT_SAMPLERATE
#define ANDROID_KEY_PCMFORMAT_SAMPLERATE    "AndroidPcmFormatSampleRate"
#endif

#ifndef ANDROID_KEY_PCMFORMAT_BITSPERSAMPLE
#define ANDROID_KEY_PCMFORMAT_BITSPERSAMPLE "AndroidPcmFormatBitsPerSample"
#endif

#ifndef ANDROID_KEY_PCMFORMAT_CONTAINERSIZE
#define ANDROID_KEY_PCMFORMAT_CONTAINERSIZE "AndroidPcmFormatContainerSize"
#endif

#ifndef ANDROID_KEY_PCMFORMAT_CHANNELMASK
#define ANDROID_KEY_PCMFORMAT_CHANNELMASK   "AndroidPcmFormatChannelMask"
#endif

#ifndef ANDROID_KEY_PCMFORMAT_ENDIANNESS
#define ANDROID_KEY_PCMFORMAT_ENDIANNESS    "AndroidPcmFormatEndianness"
#endif

#define clockNow() std::chrono::high_resolution_clock::now()
#define intervalInMS(oldTime, newTime) (static_cast<long>(std::chrono::duration_cast<std::chrono::microseconds>((newTime) - (oldTime)).count()) / 1000.f)

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))