BesSound_exp.h
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* BesSound_exp.h
*
* Project:
* --------
* SWIP
*
* Description:
* ------------
* BesSound Common header file.
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifndef __BESSOUND_EXP_H__
#define __BESSOUND_EXP_H__
#ifndef NULL
#define NULL 0
#endif
typedef struct BS_EngineInfoStruct BS_EngineInfo;
struct BS_EngineInfoStruct{
int Version;
// The number of samples that applications have to feed to
// engines for flushing out the audio samples buffered in engines,
// or to flush out the tail.
// L/R pair counts as 2 samples.
int FlushOutSampleCount;
};
typedef struct BS_HandleStruct BS_Handle;
struct BS_HandleStruct{
//============================================================//
// Get required buffer size for BesSound engine
// pHandle: input,
// Handle of current BesSound engine.
// uiInternalBufferSize: output, the required internal buffer size in byte
// uiTempBufferSize: output, the required temp buffer size in byte
//============================================================//
int (*GetBufferSize)(BS_Handle *pHandle,
unsigned int *uiInternalBufferSize,
unsigned int *uiTempBufferSize);
//============================================================//
// Initialize and enable BesSound engine.
// pHandle: input,
// Handle of current BesSound engine.
// pInternalBuffer: input,
// Buffer allocated by application for BesSound
// engine internal use.
// cBytes input,
// The size of parameters pointed by pInitParam
// pInitParam input,
// Pointer to the data that contains
// parameters for initialization of BesSound enigne.
// bEnableOLA input,
// 0 ==> Disable OLA when switching effect on
// none 0 ==> Enable OLA when switching effect on
//============================================================//
int (*Open)( BS_Handle *pHandle,
char *pInternalBuffer,
int cBytes,
const void *pInitParam,
int bEnableOLA);
//============================================================//
// Disable current BesSound engine.
// pHandle: input,
// Handle of current BesSound engine.
// bEnableOLA input,
// 0 ==> Disable OLA when switching effect off
// none 0 ==> Enable OLA when switching effect off
//============================================================//
int (*Close)(BS_Handle *pHandle, int bEnableOLA);
//============================================================//
// Set runtime parameters for BesSound engine
// pHandle: input,
// Handle of current BesSound engine
// cBytes: input,
// size of parameters in byte pointed by pRuntimeParam
// pRuntimeParam input,
// Pointer to the parameter structure that contains
// parameters for run time configuration.
//============================================================//
int (*SetParameters)(BS_Handle *pHandle,
int cBytes,
const void *pRuntimeParam);
//============================================================//
// Get the information about the audio post processing engine.
// pHandle: input,
// Handle of current BesSound engine
// pEngineInfo output,
// Pointer to the structure that contains
// the information about the engine that
// is exported to users.
//============================================================//
int (*GetEngineInfo)(BS_Handle *pHandle,
BS_EngineInfo *pEngineInfo);
//============================================================//
// Process data from input buffer to output buffer
// pHandle: the handle of current BesSound engine
// pTempBuffer: input,
// [I] pointer to the temp buffer used in processing the data.
// pInputBuffer: input,
// [I] pointer to input buffer containing the input stereo
// PCM samples.
// the layout of LR is L/R/L/R...
// InputSampleCount: input,
// [I/O] the number of valid stereo PCM samples in input buffer
// one L/R pair counts as two samples.
// output,
// the number of samples consumed by BesSound engine
// one L/R pair counts as two samples.
// pOutputBuffer: input,
// [I] pointer to output buffer that BesSound engine fills
// the processed PCM samples.
// the layout of LR is L/R/L/R...
// OutputSampleCount: output, the number of valid stereo PCM samples in
// [O] output buffer.
// one L/R pair counts as two samples.
// output only.
//============================================================//
int (*Process)(BS_Handle *pHandle,
char *pTempBuffer,
const short *pInputBuffer,
int *InputSampleCount,
short *pOutputBuffer,
int *OutputSampleCount);
int bEnabled;
//============================================================//
// Internal handle or any opaque data
//============================================================//
void *pInternalHandle;
int FadeInCount;
int FadeOutCount;
int FadeGain;
int bEnableOLA;
};
#endif /* __BESSOUND_H__ */