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

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+/****************************************************************************
+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
+furnished to do so, subject to the following conditions:
+
+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
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************/
+
+#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]))