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/*
* 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: beq06068 $
$Revision: 1307 $
$Date: 2010-07-22 17:41:25 +0200 (Thu, 22 Jul 2010) $
*************************************************************************************/
/************************************************************************************/
/* */
/* Includes */
/* */
/************************************************************************************/
#include "LVCS.h"
#include "LVCS_Private.h"
#include "LVCS_Tables.h"
/****************************************************************************************/
/* */
/* FUNCTION: LVCS_Memory */
/* */
/* DESCRIPTION: */
/* This function is used for memory allocation and free. It can be called in */
/* two ways: */
/* */
/* hInstance = NULL Returns the memory requirements */
/* hInstance = Instance handle Returns the memory requirements and */
/* allocated base addresses for the instance */
/* */
/* When this function is called for memory allocation (hInstance=NULL) it is */
/* passed the default capabilities. */
/* */
/* When called for memory allocation the memory base address pointers are NULL on */
/* return. */
/* */
/* When the function is called for free (hInstance = Instance Handle) the */
/* capabilities are ignored and the memory table returns the allocated memory and */
/* base addresses used during initialisation. */
/* */
/* PARAMETERS: */
/* hInstance Instance Handle */
/* pMemoryTable Pointer to an empty memory definition table */
/* pCapabilities Pointer to the default capabilites */
/* */
/* RETURNS: */
/* LVCS_Success Succeeded */
/* */
/* NOTES: */
/* 1. This function may be interrupted by the LVCS_Process function */
/* */
/****************************************************************************************/
LVCS_ReturnStatus_en LVCS_Memory(LVCS_Handle_t hInstance,
LVCS_MemTab_t *pMemoryTable,
LVCS_Capabilities_t *pCapabilities)
{
LVM_UINT32 ScratchSize;
LVCS_Instance_t *pInstance = (LVCS_Instance_t *)hInstance;
/*
* Fill in the memory table
*/
if (hInstance == LVM_NULL)
{
/*
* Instance memory
*/
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_SLOW_DATA].Size = (LVM_UINT32)sizeof(LVCS_Instance_t);
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_SLOW_DATA].Type = LVCS_PERSISTENT;
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_SLOW_DATA].pBaseAddress = LVM_NULL;
/*
* Data memory
*/
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_DATA].Size = (LVM_UINT32)sizeof(LVCS_Data_t);
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_DATA].Type = LVCS_DATA;
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_DATA].pBaseAddress = LVM_NULL;
/*
* Coefficient memory
*/
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_COEF].Size = (LVM_UINT32)sizeof(LVCS_Coefficient_t);
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_COEF].Type = LVCS_COEFFICIENT;
pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_FAST_COEF].pBaseAddress = LVM_NULL;
/*
* Scratch memory
*/
ScratchSize = (LVM_UINT32)(LVCS_SCRATCHBUFFERS*sizeof(LVM_INT16)*pCapabilities->MaxBlockSize); /* Inplace processing */
pMemoryTable->Region[LVCS_MEMREGION_TEMPORARY_FAST].Size = ScratchSize;
pMemoryTable->Region[LVCS_MEMREGION_TEMPORARY_FAST].Type = LVCS_SCRATCH;
pMemoryTable->Region[LVCS_MEMREGION_TEMPORARY_FAST].pBaseAddress = LVM_NULL;
}
else
{
/* Read back memory allocation table */
*pMemoryTable = pInstance->MemoryTable;
}
return(LVCS_SUCCESS);
}
/************************************************************************************/
/* */
/* FUNCTION: LVCS_Init */
/* */
/* DESCRIPTION: */
/* Create and initialisation function for the Concert Sound module */
/* */
/* This function can be used to create an algorithm instance by calling with */
/* hInstance set to LVM_NULL. In this case the algorithm returns the new instance */
/* handle. */
/* */
/* This function can be used to force a full re-initialisation of the algorithm */
/* by calling with hInstance = Instance Handle. In this case the memory table */
/* should be correct for the instance, this can be ensured by calling the function */
/* LVCS_Memory before calling this function. */
/* */
/* PARAMETERS: */
/* hInstance Instance handle */
/* pMemoryTable Pointer to the memory definition table */
/* pCapabilities Pointer to the capabilities structure */
/* */
/* RETURNS: */
/* LVCS_Success Initialisation succeeded */
/* */
/* NOTES: */
/* 1. The instance handle is the pointer to the base address of the first memory */
/* region. */
/* 2. This function must not be interrupted by the LVCS_Process function */
/* 3. This function must be called with the same capabilities as used for the */
/* call to the memory function */
/* */
/************************************************************************************/
LVCS_ReturnStatus_en LVCS_Init(LVCS_Handle_t *phInstance,
LVCS_MemTab_t *pMemoryTable,
LVCS_Capabilities_t *pCapabilities)
{
LVCS_Instance_t *pInstance;
LVCS_VolCorrect_t *pLVCS_VolCorrectTable;
/*
* Set the instance handle if not already initialised
*/
if (*phInstance == LVM_NULL)
{
*phInstance = (LVCS_Handle_t)pMemoryTable->Region[LVCS_MEMREGION_PERSISTENT_SLOW_DATA].pBaseAddress;
}
pInstance =(LVCS_Instance_t *)*phInstance;
/*
* Save the capabilities in the instance structure
*/
pInstance->Capabilities = *pCapabilities;
/*
* Save the memory table in the instance structure
*/
pInstance->MemoryTable = *pMemoryTable;
/*
* Set all initial parameters to invalid to force a full initialisation
*/
pInstance->Params.OperatingMode = LVCS_OFF;
pInstance->Params.SpeakerType = LVCS_SPEAKERTYPE_MAX;
pInstance->OutputDevice = LVCS_HEADPHONE;
pInstance->Params.SourceFormat = LVCS_SOURCEMAX;
pInstance->Params.CompressorMode = LVM_MODE_OFF;
pInstance->Params.SampleRate = LVM_FS_INVALID;
pInstance->Params.EffectLevel = 0;
pInstance->Params.ReverbLevel = (LVM_UINT16)0x8000;
pLVCS_VolCorrectTable = (LVCS_VolCorrect_t*)&LVCS_VolCorrectTable[0];
pInstance->VolCorrect = pLVCS_VolCorrectTable[0];
pInstance->TransitionGain = 0;
/* These current and target values are intialized again in LVCS_Control.c */
LVC_Mixer_Init(&pInstance->BypassMix.Mixer_Instance.MixerStream[0],0,0);
/* These current and target values are intialized again in LVCS_Control.c */
LVC_Mixer_Init(&pInstance->BypassMix.Mixer_Instance.MixerStream[1],0,0);
/*
* Initialise the bypass variables
*/
pInstance->MSTarget0=0;
pInstance->MSTarget1=0;
pInstance->bInOperatingModeTransition = LVM_FALSE;
pInstance->bTimerDone = LVM_FALSE;
pInstance->TimerParams.CallBackParam = 0;
pInstance->TimerParams.pCallBack = LVCS_TimerCallBack;
pInstance->TimerParams.pCallbackInstance = pInstance;
pInstance->TimerParams.pCallBackParams = LVM_NULL;
return(LVCS_SUCCESS);
}
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