diff options
Diffstat (limited to 'media/libeffects/lvm/lib/StereoWidening/src/LVCS_Init.c')
| -rwxr-xr-x | media/libeffects/lvm/lib/StereoWidening/src/LVCS_Init.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Init.c b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Init.c new file mode 100755 index 0000000..4aa95d3 --- /dev/null +++ b/media/libeffects/lvm/lib/StereoWidening/src/LVCS_Init.c @@ -0,0 +1,233 @@ +/* + * 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: 1001 $ + $Date: 2010-06-28 13:23:02 +0200 (Mon, 28 Jun 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) +{ + + LVM_INT16 Offset; + 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]; + Offset = (LVM_INT16)(pInstance->Params.SpeakerType + (pInstance->Params.SourceFormat*(1+LVCS_EX_HEADPHONES))); + pInstance->VolCorrect = pLVCS_VolCorrectTable[Offset]; + pInstance->TransitionGain = 0; + LVC_Mixer_Init(&pInstance->BypassMix.Mixer_Instance.MixerStream[0],0,0); + LVC_Mixer_Init(&pInstance->BypassMix.Mixer_Instance.MixerStream[1],0,0); + + /* + * Initialise the bypass variables + */ + pInstance->MSBypassMixer.MixerStream[0].CallbackParam = 0; + pInstance->MSBypassMixer.MixerStream[0].pCallbackHandle = LVM_NULL; + pInstance->MSBypassMixer.MixerStream[0].pCallBack = LVM_NULL; + pInstance->MSBypassMixer.MixerStream[0].CallbackSet = 0; + LVC_Mixer_Init(&pInstance->MSBypassMixer.MixerStream[0],0,0); + LVC_Mixer_SetTimeConstant(&pInstance->MSBypassMixer.MixerStream[0],0,LVM_FS_44100,2); + + + pInstance->MSBypassMixer.MixerStream[1].CallbackParam = 0; + pInstance->MSBypassMixer.MixerStream[1].pCallbackHandle = LVM_NULL; + pInstance->MSBypassMixer.MixerStream[1].pCallBack = LVM_NULL; + pInstance->MSBypassMixer.MixerStream[1].CallbackSet = 0; + LVC_Mixer_Init(&pInstance->MSBypassMixer.MixerStream[1],0,0); + LVC_Mixer_SetTimeConstant(&pInstance->MSBypassMixer.MixerStream[1],0,LVM_FS_44100,2); + + 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); +} + |