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-/************************************************************************************
-
-Filename : WavPlayer_OSX.h
-Content : An Apple OSX audio handler.
-Created : March 5, 2013
-Authors : Robotic Arm Software - Peter Hoff, Dan Goodman, Bryan Croteau
-
-Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
-
-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 OVR_WavPlayer_h
-#define OVR_WavPlayer_h
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <AudioToolbox/AudioQueue.h>
-
-#define AUDIO_BUFFERS 4
-
-namespace OVR { namespace Platform { namespace OSX {
-
-typedef struct AQCallbackStruct
-{
- AudioQueueRef Queue;
- UInt32 FrameCount;
- AudioQueueBufferRef Buffers[AUDIO_BUFFERS];
- AudioStreamBasicDescription DataFormat;
- UInt32 PlayPtr;
- UInt32 SampleLen;
- unsigned char* PCMBuffer;
-} AQCallbackStruct;
-
-class WavPlayer
-{
-public:
- WavPlayer(const char* fileName);
- int PlayAudio();
-private:
- bool isDataChunk(unsigned char* buffer, int index);
- int getWord(unsigned char* buffer, int index);
- short getHalf(unsigned char* buffer, int index);
- void *LoadPCM(const char *filename, unsigned long *len);
- int PlayBuffer(void *pcm, unsigned long len);
- static void aqBufferCallback(void *in, AudioQueueRef inQ, AudioQueueBufferRef outQB);
-
- short AudioFormat;
- short NumChannels;
- int SampleRate;
- int ByteRate;
- short BlockAlign;
- short BitsPerSample;
- const char* FileName;
-};
-
-}}}
-
-#endif