93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
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/* $Header: /cvs/root/winamp/vlb/audio_io.h,v 1.1 2009/04/28 20:21:07 audiodsp Exp $ */
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/***************************************************************************\
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*
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* Copyright 2000-2002 Dolby Laboratories, Inc. All Rights
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* Reserved. Do not copy. Do not distribute.
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* Confidential information.
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*
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* (C) copyright Fraunhofer - IIS (1998)
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* All Rights Reserved
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*
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* filename: audio_io.h
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* project : MPEG-2 AAC Decoder
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* contents/description: Audio i/o header file
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*
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\***************************************************************************/
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#include <stdlib.h>
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//Base Audio Device Errors:
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#ifndef AUDIO_ERROR
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#define AUDIO_ERROR
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#define AUDIO_ERROR_NONE 0
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#define AUDIO_ERROR_ENDOF 1
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#define AUDIO_ERROR_NO_DEVICE -1
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#define AUDIO_ERROR_DEVICE_FAIL -2
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#endif
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//Known Audio Formats:
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#ifndef AUDIO_FORMAT
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#define AUDIO_FORMAT
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#define AUDIO_FORMAT_PRIVATE 0
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#define AUDIO_FORMAT_WAV 1
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#define AUDIO_FORMAT_AU 2
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#define AUDIO_FORMAT_IMA_ADPCM 3
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#define AUDIO_FORMAT_WAVMAPPING 4
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#define AUDIO_FORMAT_DIRECTSOUND 5
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#define AUDIO_FORMAT_CD_AUDIO 6
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#define AUDIO_FORMAT_GENERIC_FILE 97
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#define AUDIO_FORMAT_UNKNOWN 100
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#endif
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//Audio Format Info Structure:
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#ifndef AUDIO_FORMAT_INFO
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#define AUDIO_FORMAT_INFO
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#define AUDIO_INPUT 0
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#define AUDIO_OUTPUT 1
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class AUDIO_FORMATINFO{
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public:
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unsigned int uiSampleRate;
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unsigned char ucNChannels;
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};
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#endif
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#ifndef AUDIO_IO_CONTROL
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#define AUDIO_IO_CONTROL
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class AudioIOControl{
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private:
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AUDIO_FORMATINFO *psFormatInfo;
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public:
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AudioIOControl();
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AudioIOControl(AudioIOControl&);
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AudioIOControl(int _iNChannels, unsigned int _uiSampleRate);
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~AudioIOControl();
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virtual AudioIOControl& operator=(AudioIOControl&);
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virtual int SetFormatInfo(AUDIO_FORMATINFO*);
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const AUDIO_FORMATINFO *GetFormatInfo() const;
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//virtual int IO(unsigned char**,int)=0;
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//virtual int IO(short**,int)=0;
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virtual int IO(float**,int)=0;
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protected:
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int iError;
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short *pshOutBuf;
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};
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#endif /* AUDIO_IO_CONTROL */
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