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Diffstat (limited to 'media/libeffects/lvm/lib/Common/lib/Mixer.h')
| -rwxr-xr-x | media/libeffects/lvm/lib/Common/lib/Mixer.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Common/lib/Mixer.h b/media/libeffects/lvm/lib/Common/lib/Mixer.h new file mode 100755 index 0000000..d741980 --- /dev/null +++ b/media/libeffects/lvm/lib/Common/lib/Mixer.h @@ -0,0 +1,135 @@ +/* + * Copyright (C) 2004-2010 NXP Software + * Copyright (C) 2010 The Android Open Source Project + * + * 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. + */ + +/********************************************************************************** + + $Author: beq07716 $ + $Revision: 1000 $ + $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $ + +***********************************************************************************/ + +#ifndef __MIXER_H__ +#define __MIXER_H__ + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#include "LVM_Types.h" + +/********************************************************************************** + INSTANCE MEMORY TYPE DEFINITION +***********************************************************************************/ + +typedef struct +{ + LVM_INT32 Alpha; /* Time constant. Set by calling application. Can be changed at any time */ + LVM_INT32 Target; /* Target value. Set by calling application. Can be changed at any time */ + LVM_INT32 Current; /* Current value. Set by the mixer function. */ + LVM_INT16 CallbackSet; /* Boolean. Should be set by calling application each time the target value is updated */ + LVM_INT16 CallbackParam; /* Parameter that will be used in the calback function */ + void *pCallbackHandle; /* Pointer to the instance of the callback function */ + void *pGeneralPurpose; /* Pointer for general purpose usage */ + LVM_Callback pCallBack; /* Pointer to the callback function */ +} Mix_1St_Cll_t; + +typedef struct +{ + LVM_INT32 Alpha1; + LVM_INT32 Target1; + LVM_INT32 Current1; + LVM_INT16 CallbackSet1; + LVM_INT16 CallbackParam1; + void *pCallbackHandle1; + void *pGeneralPurpose1; + LVM_Callback pCallBack1; + + LVM_INT32 Alpha2; /* Warning the address of this location is passed as a pointer to Mix_1St_Cll_t in some functions */ + LVM_INT32 Target2; + LVM_INT32 Current2; + LVM_INT16 CallbackSet2; + LVM_INT16 CallbackParam2; + void *pCallbackHandle2; + void *pGeneralPurpose2; + LVM_Callback pCallBack2; + +} Mix_2St_Cll_t; + + +/*** General functions ************************************************************/ + +LVM_UINT32 LVM_Mixer_TimeConstant(LVM_UINT32 tc, + LVM_UINT16 Fs, + LVM_UINT16 NumChannels); + + +void MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); + +void MixSoft_2St_D32C31_SAT( Mix_2St_Cll_t *pInstance, + const LVM_INT32 *src1, + const LVM_INT32 *src2, + LVM_INT32 *dst, + LVM_INT16 n); + +void MixInSoft_D32C31_SAT( Mix_1St_Cll_t *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); + +/********************************************************************************** + FUNCTION PROTOTYPES (LOW LEVEL SUBFUNCTIONS) +***********************************************************************************/ + +void Core_MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); + +void Core_MixHard_2St_D32C31_SAT( Mix_2St_Cll_t *pInstance, + const LVM_INT32 *src1, + const LVM_INT32 *src2, + LVM_INT32 *dst, + LVM_INT16 n); + +void Core_MixInSoft_D32C31_SAT( Mix_1St_Cll_t *pInstance, + const LVM_INT32 *src, + LVM_INT32 *dst, + LVM_INT16 n); +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +/**********************************************************************************/ + +#endif /* __MIXER_H__ */ + + + + + + + + + + |