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Diffstat (limited to 'Samples/CommonSrc/Platform/OSX_WavPlayer.h')
-rw-r--r-- | Samples/CommonSrc/Platform/OSX_WavPlayer.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Samples/CommonSrc/Platform/OSX_WavPlayer.h b/Samples/CommonSrc/Platform/OSX_WavPlayer.h new file mode 100644 index 0000000..c6f2571 --- /dev/null +++ b/Samples/CommonSrc/Platform/OSX_WavPlayer.h @@ -0,0 +1,72 @@ +/************************************************************************************ + +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 OvrPlatform { 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 |