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Diffstat (limited to 'media/libeffects/lvm/lib/Bundle/src/LVM_Process.c')
| -rwxr-xr-x | media/libeffects/lvm/lib/Bundle/src/LVM_Process.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Bundle/src/LVM_Process.c b/media/libeffects/lvm/lib/Bundle/src/LVM_Process.c new file mode 100755 index 0000000..bad9450 --- /dev/null +++ b/media/libeffects/lvm/lib/Bundle/src/LVM_Process.c @@ -0,0 +1,283 @@ +/* + * 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 "VectorArithmetic.h" +#include "LVM_Coeffs.h" + +/****************************************************************************************/ +/* */ +/* FUNCTION: LVM_Process */ +/* */ +/* DESCRIPTION: */ +/* Process function for the LifeVibes module. */ +/* */ +/* PARAMETERS: */ +/* hInstance Instance handle */ +/* pInData Pointer to the input data */ +/* pOutData Pointer to the output data */ +/* NumSamples Number of samples in the input buffer */ +/* AudioTime Audio Time of the current input buffer in ms */ +/* */ +/* RETURNS: */ +/* LVM_SUCCESS Succeeded */ +/* LVM_INVALIDNUMSAMPLES When the NumSamples is not a valied multiple in unmanaged */ +/* buffer mode */ +/* LVM_ALIGNMENTERROR When either the input our output buffers are not 32-bit */ +/* aligned in unmanaged mode */ +/* LVM_NULLADDRESS When one of hInstance, pInData or pOutData is NULL */ +/* */ +/* NOTES: */ +/* */ +/****************************************************************************************/ + +LVM_ReturnStatus_en LVM_Process(LVM_Handle_t hInstance, + const LVM_INT16 *pInData, + LVM_INT16 *pOutData, + LVM_UINT16 NumSamples, + LVM_UINT32 AudioTime) +{ + + LVM_Instance_t *pInstance = (LVM_Instance_t *)hInstance; + LVM_UINT16 SampleCount = NumSamples; + LVM_INT16 *pInput = (LVM_INT16 *)pInData; + LVM_INT16 *pToProcess = (LVM_INT16 *)pInData; + LVM_INT16 *pProcessed = pOutData; + LVM_ReturnStatus_en Status; + + /* + * Check if the number of samples is zero + */ + if (NumSamples == 0) + { + return(LVM_SUCCESS); + } + + + /* + * Check valid points have been given + */ + if ((hInstance == LVM_NULL) || (pInData == LVM_NULL) || (pOutData == LVM_NULL)) + { + return (LVM_NULLADDRESS); + } + + /* + * For unmanaged mode only + */ + if(pInstance->InstParams.BufferMode == LVM_UNMANAGED_BUFFERS) + { + /* + * Check if the number of samples is a good multiple (unmanaged mode only) + */ + if((NumSamples % pInstance->BlickSizeMultiple) != 0) + { + return(LVM_INVALIDNUMSAMPLES); + } + + /* + * Check the buffer alignment + */ + if((((LVM_UINT32)pInData % 4) != 0) || (((LVM_UINT32)pOutData % 4) != 0)) + { + return(LVM_ALIGNMENTERROR); + } + } + + + /* + * Update new parameters if necessary + */ + if (pInstance->ControlPending == LVM_TRUE) + { + Status = LVM_ApplyNewSettings(hInstance); + + if(Status != LVM_SUCCESS) + { + return Status; + } + } + + + /* + * Convert from Mono if necessary + */ + if (pInstance->Params.SourceFormat == LVM_MONO) + { + MonoTo2I_16(pInData, /* Source */ + pOutData, /* Destination */ + (LVM_INT16)NumSamples); /* Number of input samples */ + pInput = pOutData; + pToProcess = pOutData; + } + + + /* + * Process the data with managed buffers + */ + while (SampleCount != 0) + { + /* + * Manage the input buffer and frame processing + */ + LVM_BufferIn(hInstance, + pInput, + &pToProcess, + &pProcessed, + &SampleCount); + + /* + * Only process data when SampleCount is none zero, a zero count can occur when + * the BufferIn routine is working in managed mode. + */ + if (SampleCount != 0) + { + + /* + * Apply ConcertSound if required + */ + if (pInstance->CS_Active == LVM_TRUE) + { + (void)LVCS_Process(pInstance->hCSInstance, /* Concert Sound instance handle */ + pToProcess, + pProcessed, + SampleCount); + pToProcess = pProcessed; + } + + /* + * Apply volume if required + */ + if (pInstance->VC_Active!=0) + { + LVC_MixSoft_1St_D16C31_SAT(&pInstance->VC_Volume, + pToProcess, + pProcessed, + (LVM_INT16)(2*SampleCount)); /* Left and right*/ + pToProcess = pProcessed; + } + + /* + * Call N-Band equaliser if enabled + */ + if (pInstance->EQNB_Active == LVM_TRUE) + { + LVEQNB_Process(pInstance->hEQNBInstance, /* N-Band equaliser instance handle */ + pToProcess, + pProcessed, + SampleCount); + pToProcess = pProcessed; + } + + /* + * Call bass enhancement if enabled + */ + if (pInstance->DBE_Active == LVM_TRUE) + { + LVDBE_Process(pInstance->hDBEInstance, /* Dynamic Bass Enhancement instance handle */ + pToProcess, + pProcessed, + SampleCount); + pToProcess = pProcessed; + } + + /* + * Bypass mode or everything off, so copy the input to the output + */ + if (pToProcess != pProcessed) + { + Copy_16(pToProcess, /* Source */ + pProcessed, /* Destination */ + (LVM_INT16)(2*SampleCount)); /* Left and right */ + } + + /* + * Apply treble boost if required + */ + if (pInstance->TE_Active == LVM_TRUE) + { + /* + * Apply the filter + */ + FO_2I_D16F32C15_LShx_TRC_WRA_01(&pInstance->pTE_State->TrebleBoost_State, + pProcessed, + pProcessed, + (LVM_INT16)SampleCount); + + } + + /* + * Volume balance + */ + LVC_MixSoft_1St_2i_D16C31_SAT(&pInstance->VC_BalanceMix, + pProcessed, + pProcessed, + SampleCount); + + /* + * Perform Parametric Spectum Analysis + */ + if ((pInstance->Params.PSA_Enable == LVM_PSA_ON)&&(pInstance->InstParams.PSA_Included==LVM_PSA_ON)) + { + From2iToMono_16(pProcessed, + pInstance->pPSAInput, + (LVM_INT16) (SampleCount)); + + LVPSA_Process(pInstance->hPSAInstance, + pInstance->pPSAInput, + (LVM_UINT16) (SampleCount), + AudioTime); + } + + + /* + * DC removal + */ + DC_2I_D16_TRC_WRA_01(&pInstance->DC_RemovalInstance, + pProcessed, + pProcessed, + (LVM_INT16)SampleCount); + + + } + + /* + * Manage the output buffer + */ + LVM_BufferOut(hInstance, + pOutData, + &SampleCount); + + } + + return(LVM_SUCCESS); +} |