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Diffstat (limited to 'media/libeffects/lvm/lib/Bundle/src/LVM_API_Specials.c')
| -rwxr-xr-x | media/libeffects/lvm/lib/Bundle/src/LVM_API_Specials.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Bundle/src/LVM_API_Specials.c b/media/libeffects/lvm/lib/Bundle/src/LVM_API_Specials.c new file mode 100755 index 0000000..2f6fa4c --- /dev/null +++ b/media/libeffects/lvm/lib/Bundle/src/LVM_API_Specials.c @@ -0,0 +1,158 @@ +/* + * 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: 1002 $ + $Date: 2010-06-28 13:40:09 +0200 (Mon, 28 Jun 2010) $ + +*****************************************************************************************/ + + +/****************************************************************************************/ +/* */ +/* Includes */ +/* */ +/****************************************************************************************/ + +#include "LVM_Private.h" +#include "LVM_Tables.h" + +/****************************************************************************************/ +/* */ +/* FUNCTION: LVM_GetSpectrum */ +/* */ +/* DESCRIPTION: */ +/* This function is used to retrieve Spectral information at a given Audio time */ +/* for display usage */ +/* */ +/* PARAMETERS: */ +/* hInstance Instance Handle */ +/* pCurrentPeaks Pointer to location where currents peaks are to be saved */ +/* pPastPeaks Pointer to location where past peaks are to be saved */ +/* AudioTime Audio time at which the spectral information is needed */ +/* */ +/* RETURNS: */ +/* LVM_SUCCESS Succeeded */ +/* LVM_NULLADDRESS If any of input addresses are NULL */ +/* LVM_WRONGAUDIOTIME Failure due to audio time error */ +/* */ +/* NOTES: */ +/* 1. This function may be interrupted by the LVM_Process function */ +/* */ +/****************************************************************************************/ +LVM_ReturnStatus_en LVM_GetSpectrum( + LVM_Handle_t hInstance, + LVM_UINT8 *pCurrentPeaks, + LVM_UINT8 *pPastPeaks, + LVM_INT32 AudioTime + ) +{ + LVM_Instance_t *pInstance = (LVM_Instance_t *)hInstance; + + pLVPSA_Handle_t *hPSAInstance; + LVPSA_RETURN LVPSA_Status; + + + if(pInstance == LVM_NULL) + { + return LVM_NULLADDRESS; + } + + /*If PSA is not included at the time of instance creation, return without any processing*/ + if(pInstance->InstParams.PSA_Included!=LVM_PSA_ON) + { + return LVM_SUCCESS; + } + + hPSAInstance = pInstance->hPSAInstance; + + if((pCurrentPeaks == LVM_NULL) || + (pPastPeaks == LVM_NULL)) + { + return LVM_NULLADDRESS; + } + + + /* + * Update new parameters if necessary + */ + if (pInstance->ControlPending == LVM_TRUE) + { + LVM_ApplyNewSettings(hInstance); + } + + /* If PSA module is disabled, do nothing */ + if(pInstance->Params.PSA_Enable==LVM_PSA_OFF) + { + return LVM_ALGORITHMDISABLED; + } + + LVPSA_Status = LVPSA_GetSpectrum(hPSAInstance, + (LVPSA_Time) (AudioTime), + (LVM_UINT8*) pCurrentPeaks, + (LVM_UINT8*) pPastPeaks ); + + if(LVPSA_Status != LVPSA_OK) + { + if(LVPSA_Status == LVPSA_ERROR_WRONGTIME) + { + return (LVM_ReturnStatus_en) LVM_WRONGAUDIOTIME; + } + else + { + return (LVM_ReturnStatus_en) LVM_NULLADDRESS; + } + } + + return(LVM_SUCCESS); +} + + +/****************************************************************************************/ +/* */ +/* FUNCTION: LVM_SetVolumeNoSmoothing */ +/* */ +/* DESCRIPTION: */ +/* This function is used to set output volume without any smoothing */ +/* */ +/* PARAMETERS: */ +/* hInstance Instance Handle */ +/* pParams Control Parameters, only volume value is used here */ +/* */ +/* RETURNS: */ +/* LVM_SUCCESS Succeeded */ +/* LVM_NULLADDRESS If any of input addresses are NULL */ +/* LVM_OUTOFRANGE When any of the control parameters are out of range */ +/* */ +/* NOTES: */ +/* 1. This function may be interrupted by the LVM_Process function */ +/* */ +/****************************************************************************************/ +LVM_ReturnStatus_en LVM_SetVolumeNoSmoothing( LVM_Handle_t hInstance, + LVM_ControlParams_t *pParams) +{ + LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance; + LVM_ReturnStatus_en Error; + + /*Apply new controls*/ + Error = LVM_SetControlParameters(hInstance,pParams); + pInstance->NoSmoothVolume = LVM_TRUE; + return Error; +} + |