summaryrefslogtreecommitdiffstats
path: root/media/libeffects/lvm/lib/Bundle/src/LVM_Control.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/libeffects/lvm/lib/Bundle/src/LVM_Control.c')
-rwxr-xr-xmedia/libeffects/lvm/lib/Bundle/src/LVM_Control.c1032
1 files changed, 1032 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Bundle/src/LVM_Control.c b/media/libeffects/lvm/lib/Bundle/src/LVM_Control.c
new file mode 100755
index 0000000..4667feb
--- /dev/null
+++ b/media/libeffects/lvm/lib/Bundle/src/LVM_Control.c
@@ -0,0 +1,1032 @@
+/*
+ * 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: nxp007753 $
+ $Revision: 1255 $
+ $Date: 2010-07-16 17:07:29 +0200 (Fri, 16 Jul 2010) $
+
+*****************************************************************************************/
+
+
+/****************************************************************************************/
+/* */
+/* Includes */
+/* */
+/****************************************************************************************/
+
+#include "VectorArithmetic.h"
+#include "ScalarArithmetic.h"
+#include "LVM_Coeffs.h"
+#include "LVM_Tables.h"
+#include "LVM_Private.h"
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_SetControlParameters */
+/* */
+/* DESCRIPTION: */
+/* Sets or changes the LifeVibes module parameters. */
+/* */
+/* PARAMETERS: */
+/* hInstance Instance handle */
+/* pParams Pointer to a parameter structure */
+/* */
+/* RETURNS: */
+/* LVM_SUCCESS Succeeded */
+/* LVM_NULLADDRESS When hInstance, pParams or any control pointers 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_SetControlParameters(LVM_Handle_t hInstance,
+ LVM_ControlParams_t *pParams)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance;
+
+
+ if ((pParams == LVM_NULL) || (hInstance == LVM_NULL))
+ {
+ return (LVM_NULLADDRESS);
+ }
+
+ pInstance->NewParams = *pParams;
+
+ if(
+ /* General parameters */
+ ((pParams->OperatingMode != LVM_MODE_OFF) && (pParams->OperatingMode != LVM_MODE_ON)) ||
+ ((pParams->SampleRate != LVM_FS_8000) && (pParams->SampleRate != LVM_FS_11025) && (pParams->SampleRate != LVM_FS_12000) &&
+ (pParams->SampleRate != LVM_FS_16000) && (pParams->SampleRate != LVM_FS_22050) && (pParams->SampleRate != LVM_FS_24000) &&
+ (pParams->SampleRate != LVM_FS_32000) && (pParams->SampleRate != LVM_FS_44100) && (pParams->SampleRate != LVM_FS_48000)) ||
+ ((pParams->SourceFormat != LVM_STEREO) && (pParams->SourceFormat != LVM_MONOINSTEREO) && (pParams->SourceFormat != LVM_MONO)) ||
+ (pParams->SpeakerType > LVM_EX_HEADPHONES))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ /*
+ * Cinema Sound parameters
+ */
+ if((pParams->VirtualizerOperatingMode != LVM_MODE_OFF) && (pParams->VirtualizerOperatingMode != LVM_MODE_ON))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ if(pParams->VirtualizerType != LVM_CONCERTSOUND)
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ if(pParams->VirtualizerReverbLevel > LVM_VIRTUALIZER_MAX_REVERB_LEVEL)
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ if(pParams->CS_EffectLevel < LVM_CS_MIN_EFFECT_LEVEL)
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ /*
+ * N-Band Equalizer
+ */
+ if(pParams->EQNB_NBands > pInstance->InstParams.EQNB_NumBands)
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ /* Definition pointer */
+ if ((pParams->pEQNB_BandDefinition == LVM_NULL) &&
+ (pParams->EQNB_NBands != 0))
+ {
+ return (LVM_NULLADDRESS);
+ }
+
+ /*
+ * Copy the filter definitions for the Equaliser
+ */
+ {
+ LVM_INT16 i;
+
+ if (pParams->EQNB_NBands != 0)
+ {
+ for (i=0; i<pParams->EQNB_NBands; i++)
+ {
+ pInstance->pEQNB_BandDefs[i] = pParams->pEQNB_BandDefinition[i];
+ }
+ pInstance->NewParams.pEQNB_BandDefinition = pInstance->pEQNB_BandDefs;
+ }
+ }
+ if( /* N-Band Equaliser parameters */
+ ((pParams->EQNB_OperatingMode != LVM_EQNB_OFF) && (pParams->EQNB_OperatingMode != LVM_EQNB_ON)) ||
+ (pParams->EQNB_NBands > pInstance->InstParams.EQNB_NumBands))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+ /* Band parameters*/
+ {
+ LVM_INT16 i;
+ for(i = 0; i < pParams->EQNB_NBands; i++)
+ {
+ if(((pParams->pEQNB_BandDefinition[i].Frequency < LVM_EQNB_MIN_BAND_FREQ) ||
+ (pParams->pEQNB_BandDefinition[i].Frequency > LVM_EQNB_MAX_BAND_FREQ)) ||
+ ((pParams->pEQNB_BandDefinition[i].Gain < LVM_EQNB_MIN_BAND_GAIN) ||
+ (pParams->pEQNB_BandDefinition[i].Gain > LVM_EQNB_MAX_BAND_GAIN)) ||
+ ((pParams->pEQNB_BandDefinition[i].QFactor < LVM_EQNB_MIN_QFACTOR) ||
+ (pParams->pEQNB_BandDefinition[i].QFactor > LVM_EQNB_MAX_QFACTOR)))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+ }
+ }
+
+ /*
+ * Bass Enhancement parameters
+ */
+ if(((pParams->BE_OperatingMode != LVM_BE_OFF) && (pParams->BE_OperatingMode != LVM_BE_ON)) ||
+ ((pParams->BE_EffectLevel < LVM_BE_MIN_EFFECTLEVEL ) || (pParams->BE_EffectLevel > LVM_BE_MAX_EFFECTLEVEL ))||
+ ((pParams->BE_CentreFreq != LVM_BE_CENTRE_55Hz) && (pParams->BE_CentreFreq != LVM_BE_CENTRE_66Hz) &&
+ (pParams->BE_CentreFreq != LVM_BE_CENTRE_78Hz) && (pParams->BE_CentreFreq != LVM_BE_CENTRE_90Hz)) ||
+ ((pParams->BE_HPF != LVM_BE_HPF_OFF) && (pParams->BE_HPF != LVM_BE_HPF_ON)))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ /*
+ * Volume Control parameters
+ */
+ if((pParams->VC_EffectLevel < LVM_VC_MIN_EFFECTLEVEL ) || (pParams->VC_EffectLevel > LVM_VC_MAX_EFFECTLEVEL ))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+ if((pParams->VC_Balance < LVM_VC_BALANCE_MIN ) || (pParams->VC_Balance > LVM_VC_BALANCE_MAX ))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+ /*
+ * PSA parameters
+ */
+ if( (pParams->PSA_PeakDecayRate > LVPSA_SPEED_HIGH) ||
+ (pParams->PSA_Enable > LVM_PSA_ON))
+ {
+ return (LVM_OUTOFRANGE);
+ }
+
+
+ /*
+ * Set the flag to indicate there are new parameters to use
+ *
+ * Protect the copy of the new parameters from interrupts to avoid possible problems
+ * with loss control parameters. This problem can occur if this control function is called more
+ * than once before a call to the process function. If the process function interrupts
+ * the copy to NewParams then one frame may have mixed parameters, some old and some new.
+ */
+ pInstance->ControlPending = LVM_TRUE;
+ pInstance->NoSmoothVolume = LVM_FALSE;
+
+ return(LVM_SUCCESS);
+}
+
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_GetControlParameters */
+/* */
+/* DESCRIPTION: */
+/* Request the LifeVibes module parameters. The current parameter set is returned */
+/* via the parameter pointer. */
+/* */
+/* PARAMETERS: */
+/* hInstance Instance handle */
+/* pParams Pointer to an empty parameter structure */
+/* */
+/* RETURNS: */
+/* LVM_SUCCESS Succeeded */
+/* LVM_NULLADDRESS when any of hInstance or pParams is NULL */
+/* */
+/* NOTES: */
+/* 1. This function may be interrupted by the LVM_Process function */
+/* */
+/****************************************************************************************/
+
+LVM_ReturnStatus_en LVM_GetControlParameters(LVM_Handle_t hInstance,
+ LVM_ControlParams_t *pParams)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance;
+
+
+ /*
+ * Check pointer
+ */
+ if ((pParams == LVM_NULL) || (hInstance == LVM_NULL))
+ {
+ return (LVM_NULLADDRESS);
+ }
+ *pParams = pInstance->NewParams;
+
+ /*
+ * Copy the filter definitions for the Equaliser
+ */
+ {
+ LVM_INT16 i;
+
+ if (pInstance->NewParams.EQNB_NBands != 0)
+ for (i=0; i<pInstance->NewParams.EQNB_NBands; i++)
+ {
+ pInstance->pEQNB_UserDefs[i] = pInstance->pEQNB_BandDefs[i];
+ }
+ pParams->pEQNB_BandDefinition = pInstance->pEQNB_UserDefs;
+ }
+
+ return(LVM_SUCCESS);
+}
+
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_SetTrebleBoost */
+/* */
+/* DESCRIPTION: */
+/* Enable the treble boost when the settings are appropriate, i.e. non-zero gain */
+/* and the sample rate is high enough for the effect to be heard. */
+/* */
+/* PARAMETERS: */
+/* pInstance Pointer to the instance structure */
+/* pParams Pointer to the parameters to use */
+/* */
+/****************************************************************************************/
+void LVM_SetTrebleBoost(LVM_Instance_t *pInstance,
+ LVM_ControlParams_t *pParams)
+{
+ extern FO_C16_LShx_Coefs_t LVM_TrebleBoostCoefs[];
+ LVM_INT16 Offset;
+ LVM_INT16 EffectLevel = 0;
+
+ /*
+ * Load the coefficients
+ */
+ if ((pParams->TE_OperatingMode == LVM_TE_ON) &&
+ (pParams->SampleRate >= TrebleBoostMinRate) &&
+ (pParams->OperatingMode == LVM_MODE_ON) &&
+ (pParams->TE_EffectLevel > 0))
+ {
+ if((pParams->TE_EffectLevel == LVM_TE_LOW_MIPS) &&
+ ((pParams->SpeakerType == LVM_HEADPHONES)||
+ (pParams->SpeakerType == LVM_EX_HEADPHONES)))
+ {
+ pInstance->TE_Active = LVM_FALSE;
+ }
+ else
+ {
+ EffectLevel = pParams->TE_EffectLevel;
+ pInstance->TE_Active = LVM_TRUE;
+ }
+
+ if(pInstance->TE_Active == LVM_TRUE)
+ {
+ /*
+ * Load the coefficients and enabled the treble boost
+ */
+ Offset = (LVM_INT16)(EffectLevel - 1 + TrebleBoostSteps * (pParams->SampleRate - TrebleBoostMinRate));
+ FO_2I_D16F32Css_LShx_TRC_WRA_01_Init(&pInstance->pTE_State->TrebleBoost_State,
+ &pInstance->pTE_Taps->TrebleBoost_Taps,
+ &LVM_TrebleBoostCoefs[Offset]);
+
+ /*
+ * Clear the taps
+ */
+ LoadConst_16((LVM_INT16)0, /* Value */
+ (LVM_INT16 *)&pInstance->pTE_Taps->TrebleBoost_Taps, /* Destination */
+ (LVM_UINT16)(sizeof(pInstance->pTE_Taps->TrebleBoost_Taps)/sizeof(LVM_INT16))); /* Number of words */
+ }
+ }
+ else
+ {
+ /*
+ * Disable the treble boost
+ */
+ pInstance->TE_Active = LVM_FALSE;
+ }
+
+ return;
+}
+
+
+/************************************************************************************/
+/* */
+/* FUNCTION: LVM_SetVolume */
+/* */
+/* DESCRIPTION: */
+/* Converts the input volume demand from dBs to linear. */
+/* */
+/* PARAMETERS: */
+/* pInstance Pointer to the instance */
+/* pParams Initialisation parameters */
+/* */
+/************************************************************************************/
+void LVM_SetVolume(LVM_Instance_t *pInstance,
+ LVM_ControlParams_t *pParams)
+{
+
+ LVM_UINT16 dBShifts; /* 6dB shifts */
+ LVM_UINT16 dBOffset; /* Table offset */
+ LVM_INT16 Volume = 0; /* Required volume in dBs */
+
+ /*
+ * Limit the gain to the maximum allowed
+ */
+ if (pParams->VC_EffectLevel > 0)
+ {
+ Volume = 0;
+ }
+ else
+ {
+ Volume = pParams->VC_EffectLevel;
+ }
+
+ /* Compensate this volume in PSA plot */
+ if(Volume > -60) /* Limit volume loss to PSA Limits*/
+ pInstance->PSA_GainOffset=(LVM_INT16)(-Volume);/* Loss is compensated by Gain*/
+ else
+ pInstance->PSA_GainOffset=(LVM_INT16)60;/* Loss is compensated by Gain*/
+
+ pInstance->VC_AVLFixedVolume = 0;
+
+ /*
+ * Set volume control and AVL volumes according to headroom and volume user setting
+ */
+ if(pParams->OperatingMode == LVM_MODE_ON)
+ {
+ /* Default Situation with no AVL and no RS */
+ if(pParams->EQNB_OperatingMode == LVM_EQNB_ON)
+ {
+ if(Volume > -pInstance->Headroom)
+ Volume = (LVM_INT16)-pInstance->Headroom;
+ }
+ }
+
+ /*
+ * Activate volume control if necessary
+ */
+ pInstance->VC_Active = LVM_TRUE;
+ if (Volume != 0)
+ {
+ pInstance->VC_VolumedB = Volume;
+ }
+ else
+ {
+ pInstance->VC_VolumedB = 0;
+ }
+
+ /*
+ * Calculate the required gain and shifts
+ */
+ dBOffset = (LVM_UINT16)((-Volume) % 6); /* Get the dBs 0-5 */
+ dBShifts = (LVM_UINT16)(Volume / -6); /* Get the 6dB shifts */
+
+
+ /*
+ * Set the parameters
+ */
+ if(dBShifts == 0)
+ {
+ LVC_Mixer_SetTarget(&pInstance->VC_Volume.MixerStream[0],
+ (LVM_INT32)LVM_VolumeTable[dBOffset]);
+ }
+ else
+ {
+ LVC_Mixer_SetTarget(&pInstance->VC_Volume.MixerStream[0],
+ (((LVM_INT32)LVM_VolumeTable[dBOffset])>>dBShifts));
+ }
+ pInstance->VC_Volume.MixerStream[0].CallbackSet = 1;
+ if(pInstance->NoSmoothVolume == LVM_TRUE)
+ {
+ LVC_Mixer_SetTimeConstant(&pInstance->VC_Volume.MixerStream[0],0,pInstance->Params.SampleRate,2);
+ }
+ else
+ {
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_Volume.MixerStream[0],LVM_VC_MIXER_TIME,pInstance->Params.SampleRate,2);
+ }
+}
+
+
+/************************************************************************************/
+/* */
+/* FUNCTION: LVM_SetHeadroom */
+/* */
+/* DESCRIPTION: */
+/* Find suitable headroom based on EQ settings. */
+/* */
+/* PARAMETERS: */
+/* pInstance Pointer to the instance */
+/* pParams Initialisation parameters */
+/* */
+/* RETURNS: */
+/* void Nothing */
+/* */
+/* NOTES: */
+/* */
+/************************************************************************************/
+void LVM_SetHeadroom(LVM_Instance_t *pInstance,
+ LVM_ControlParams_t *pParams)
+{
+ LVM_INT16 ii, jj;
+ LVM_INT16 Headroom = 0;
+ LVM_INT16 MaxGain = 0;
+
+
+ if ((pParams->EQNB_OperatingMode == LVEQNB_ON) && (pInstance->HeadroomParams.Headroom_OperatingMode == LVM_HEADROOM_ON))
+ {
+ /* Find typical headroom value */
+ for(jj = 0; jj < pInstance->HeadroomParams.NHeadroomBands; jj++)
+ {
+ MaxGain = 0;
+ for( ii = 0; ii < pParams->EQNB_NBands; ii++)
+ {
+ if((pParams->pEQNB_BandDefinition[ii].Frequency >= pInstance->HeadroomParams.pHeadroomDefinition[jj].Limit_Low) &&
+ (pParams->pEQNB_BandDefinition[ii].Frequency <= pInstance->HeadroomParams.pHeadroomDefinition[jj].Limit_High))
+ {
+ if(pParams->pEQNB_BandDefinition[ii].Gain > MaxGain)
+ {
+ MaxGain = pParams->pEQNB_BandDefinition[ii].Gain;
+ }
+ }
+ }
+
+ if((MaxGain - pInstance->HeadroomParams.pHeadroomDefinition[jj].Headroom_Offset) > Headroom){
+ Headroom = (LVM_INT16)(MaxGain - pInstance->HeadroomParams.pHeadroomDefinition[jj].Headroom_Offset);
+ }
+ }
+
+ /* Saturate */
+ if(Headroom < 0)
+ Headroom = 0;
+ }
+ pInstance->Headroom = (LVM_UINT16)Headroom ;
+
+}
+
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_ApplyNewSettings */
+/* */
+/* DESCRIPTION: */
+/* Applies changes to parametres. This function makes no assumptions about what */
+/* each module needs for initialisation and hence passes all parameters to all the */
+/* the modules in turn. */
+/* */
+/* */
+/* PARAMETERS: */
+/* hInstance Instance handle */
+/* */
+/* RETURNS: */
+/* LVM_Success Succeeded */
+/* */
+/****************************************************************************************/
+
+LVM_ReturnStatus_en LVM_ApplyNewSettings(LVM_Handle_t hInstance)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance;
+ LVM_ControlParams_t LocalParams;
+ LVM_INT16 Count = 5;
+
+
+ /*
+ * Copy the new parameters but make sure they didn't change while copying
+ */
+ do
+ {
+ pInstance->ControlPending = LVM_FALSE;
+ LocalParams = pInstance->NewParams;
+ pInstance->HeadroomParams = pInstance->NewHeadroomParams;
+ Count--;
+ } while ((pInstance->ControlPending != LVM_FALSE) &&
+ (Count > 0));
+
+ /* Clear all internal data if format change*/
+ if(LocalParams.SourceFormat != pInstance->Params.SourceFormat)
+ {
+ LVM_ClearAudioBuffers(pInstance);
+ pInstance->ControlPending = LVM_FALSE;
+ }
+
+ /*
+ * Update the treble boost if required
+ */
+ if ((pInstance->Params.SampleRate != LocalParams.SampleRate) ||
+ (pInstance->Params.TE_EffectLevel != LocalParams.TE_EffectLevel) ||
+ (pInstance->Params.TE_OperatingMode != LocalParams.TE_OperatingMode) ||
+ (pInstance->Params.OperatingMode != LocalParams.OperatingMode) ||
+ (pInstance->Params.SpeakerType != LocalParams.SpeakerType))
+ {
+ LVM_SetTrebleBoost(pInstance,
+ &LocalParams);
+ }
+
+ /*
+ * Update the headroom if required
+ */
+ LVM_SetHeadroom(pInstance, /* Instance pointer */
+ &LocalParams); /* New parameters */
+
+ /*
+ * Update the volume if required
+ */
+ {
+ LVM_SetVolume(pInstance, /* Instance pointer */
+ &LocalParams); /* New parameters */
+ }
+ /* Apply balance changes*/
+ if(pInstance->Params.VC_Balance != LocalParams.VC_Balance)
+ {
+ /* Configure Mixer module for gradual changes to volume*/
+ if(LocalParams.VC_Balance < 0)
+ {
+ LVM_INT32 Target;
+ /* Drop in right channel volume*/
+ Target = LVM_MAXINT_16;
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[0],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[0],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+
+ Target = dB_to_Lin32((LVM_INT16)(LocalParams.VC_Balance<<4));
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[1],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[1],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+ }
+ else if(LocalParams.VC_Balance >0)
+ {
+ LVM_INT32 Target;
+ /* Drop in left channel volume*/
+ Target = dB_to_Lin32((LVM_INT16)((-LocalParams.VC_Balance)<<4));
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[0],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[0],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+
+ Target = LVM_MAXINT_16;
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[1],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[1],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+ }
+ else
+ {
+ LVM_INT32 Target;
+ /* No drop*/
+ Target = LVM_MAXINT_16;
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[0],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[0],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+
+ LVC_Mixer_SetTarget(&pInstance->VC_BalanceMix.MixerStream[1],Target);
+ LVC_Mixer_VarSlope_SetTimeConstant(&pInstance->VC_BalanceMix.MixerStream[1],LVM_VC_MIXER_TIME,LocalParams.SampleRate,1);
+ }
+ }
+ /*
+ * Update the bass enhancement
+ */
+ {
+ LVDBE_ReturnStatus_en DBE_Status;
+ LVDBE_Params_t DBE_Params;
+ LVDBE_Handle_t *hDBEInstance = pInstance->hDBEInstance;
+
+
+ /*
+ * Set the new parameters
+ */
+ if(LocalParams.OperatingMode == LVM_MODE_OFF)
+ {
+ DBE_Params.OperatingMode = LVDBE_OFF;
+ }
+ else
+ {
+ DBE_Params.OperatingMode = (LVDBE_Mode_en)LocalParams.BE_OperatingMode;
+ }
+ DBE_Params.SampleRate = (LVDBE_Fs_en)LocalParams.SampleRate;
+ DBE_Params.EffectLevel = LocalParams.BE_EffectLevel;
+ DBE_Params.CentreFrequency = (LVDBE_CentreFreq_en)LocalParams.BE_CentreFreq;
+ DBE_Params.HPFSelect = (LVDBE_FilterSelect_en)LocalParams.BE_HPF;
+ DBE_Params.HeadroomdB = 0;
+ DBE_Params.VolumeControl = LVDBE_VOLUME_OFF;
+ DBE_Params.VolumedB = 0;
+
+ /*
+ * Make the changes
+ */
+ DBE_Status = LVDBE_Control(hDBEInstance,
+ &DBE_Params);
+
+
+ /*
+ * Quit if the changes were not accepted
+ */
+ if (DBE_Status != LVDBE_SUCCESS)
+ {
+ return((LVM_ReturnStatus_en)DBE_Status);
+ }
+
+
+ /*
+ * Set the control flag
+ */
+ pInstance->DBE_Active = LVM_TRUE;
+ }
+
+ /*
+ * Update the N-Band Equaliser
+ */
+ {
+ LVEQNB_ReturnStatus_en EQNB_Status;
+ LVEQNB_Params_t EQNB_Params;
+ LVEQNB_Handle_t *hEQNBInstance = pInstance->hEQNBInstance;
+
+
+ /*
+ * Set the new parameters
+ */
+
+ if(LocalParams.OperatingMode == LVM_MODE_OFF)
+ {
+ EQNB_Params.OperatingMode = LVEQNB_BYPASS;
+ }
+ else
+ {
+ EQNB_Params.OperatingMode = (LVEQNB_Mode_en)LocalParams.EQNB_OperatingMode;
+ }
+
+ EQNB_Params.SampleRate = (LVEQNB_Fs_en)LocalParams.SampleRate;
+ EQNB_Params.NBands = LocalParams.EQNB_NBands;
+ EQNB_Params.pBandDefinition = (LVEQNB_BandDef_t *)LocalParams.pEQNB_BandDefinition;
+ if (LocalParams.SourceFormat == LVM_STEREO) /* Mono format not supported */
+ {
+ EQNB_Params.SourceFormat = LVEQNB_STEREO;
+ }
+ else
+ {
+ EQNB_Params.SourceFormat = LVEQNB_MONOINSTEREO; /* Force to Mono-in-Stereo mode */
+ }
+
+
+ /*
+ * Set the control flag
+ */
+ if ((LocalParams.OperatingMode == LVM_MODE_ON) &&
+ (LocalParams.EQNB_OperatingMode == LVM_EQNB_ON))
+ {
+ pInstance->EQNB_Active = LVM_TRUE;
+ }
+ else
+ {
+ EQNB_Params.OperatingMode = LVEQNB_BYPASS;
+ }
+
+ /*
+ * Make the changes
+ */
+ EQNB_Status = LVEQNB_Control(hEQNBInstance,
+ &EQNB_Params);
+
+
+ /*
+ * Quit if the changes were not accepted
+ */
+ if (EQNB_Status != LVEQNB_SUCCESS)
+ {
+ return((LVM_ReturnStatus_en)EQNB_Status);
+ }
+
+ }
+
+
+ /*
+ * Update concert sound
+ */
+ {
+ LVCS_ReturnStatus_en CS_Status;
+ LVCS_Params_t CS_Params;
+ LVCS_Handle_t *hCSInstance = pInstance->hCSInstance;
+ LVM_Mode_en CompressorMode=LVM_MODE_ON;
+
+ /*
+ * Set the new parameters
+ */
+ if(LocalParams.VirtualizerOperatingMode == LVM_MODE_ON)
+ {
+ CS_Params.OperatingMode = LVCS_ON;
+ }
+ else
+ {
+ CS_Params.OperatingMode = LVCS_OFF;
+ }
+
+ if((LocalParams.TE_OperatingMode == LVM_TE_ON) && (LocalParams.TE_EffectLevel == LVM_TE_LOW_MIPS))
+ {
+ CS_Params.SpeakerType = LVCS_EX_HEADPHONES;
+ }
+ else
+ {
+ CS_Params.SpeakerType = LVCS_HEADPHONES;
+ }
+
+ if (LocalParams.SourceFormat == LVM_STEREO) /* Mono format not supported */
+ {
+ CS_Params.SourceFormat = LVCS_STEREO;
+ }
+ else
+ {
+ CS_Params.SourceFormat = LVCS_MONOINSTEREO; /* Force to Mono-in-Stereo mode */
+ }
+ CS_Params.SampleRate = LocalParams.SampleRate;
+ CS_Params.ReverbLevel = LocalParams.VirtualizerReverbLevel;
+ CS_Params.EffectLevel = LocalParams.CS_EffectLevel;
+
+
+ /*
+ * Set the control flag
+ */
+ if ((LocalParams.OperatingMode == LVM_MODE_ON) &&
+ (LocalParams.VirtualizerOperatingMode != LVCS_OFF))
+ {
+ pInstance->CS_Active = LVM_TRUE;
+ }
+ else
+ {
+ CS_Params.OperatingMode = LVCS_OFF;
+ }
+
+ CS_Params.CompressorMode=CompressorMode;
+
+ /*
+ * Make the changes
+ */
+ CS_Status = LVCS_Control(hCSInstance,
+ &CS_Params);
+
+
+ /*
+ * Quit if the changes were not accepted
+ */
+ if (CS_Status != LVCS_SUCCESS)
+ {
+ return((LVM_ReturnStatus_en)CS_Status);
+ }
+
+ }
+
+ /*
+ * Update the Power Spectrum Analyser
+ */
+ {
+ LVPSA_RETURN PSA_Status;
+ LVPSA_ControlParams_t PSA_Params;
+ pLVPSA_Handle_t *hPSAInstance = pInstance->hPSAInstance;
+
+
+ /*
+ * Set the new parameters
+ */
+ PSA_Params.Fs = LocalParams.SampleRate;
+ PSA_Params.LevelDetectionSpeed = (LVPSA_LevelDetectSpeed_en)LocalParams.PSA_PeakDecayRate;
+
+ /*
+ * Make the changes
+ */
+ if(pInstance->InstParams.PSA_Included==LVM_PSA_ON)
+ {
+ PSA_Status = LVPSA_Control(hPSAInstance,
+ &PSA_Params);
+
+ if (PSA_Status != LVPSA_OK)
+ {
+ return((LVM_ReturnStatus_en)PSA_Status);
+ }
+
+ /*
+ * Apply new settings
+ */
+ PSA_Status = LVPSA_ApplyNewSettings ((LVPSA_InstancePr_t*)hPSAInstance);
+ if(PSA_Status != LVPSA_OK)
+ {
+ return((LVM_ReturnStatus_en)PSA_Status);
+ }
+ }
+ }
+
+ /*
+ * Update the parameters and clear the flag
+ */
+ pInstance->Params = LocalParams;
+
+
+ return(LVM_SUCCESS);
+}
+
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_SetHeadroomParams */
+/* */
+/* DESCRIPTION: */
+/* This function is used to set the automatiuc headroom management parameters. */
+/* */
+/* PARAMETERS: */
+/* hInstance Instance Handle */
+/* pHeadroomParams Pointer to headroom parameter structure */
+/* */
+/* RETURNS: */
+/* LVM_Success Succeeded */
+/* */
+/* NOTES: */
+/* 1. This function may be interrupted by the LVM_Process function */
+/* */
+/****************************************************************************************/
+
+LVM_ReturnStatus_en LVM_SetHeadroomParams(LVM_Handle_t hInstance,
+ LVM_HeadroomParams_t *pHeadroomParams)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance;
+ LVM_UINT16 ii, NBands;
+
+ /* Check for NULL pointers */
+ if ((hInstance == LVM_NULL) || (pHeadroomParams == LVM_NULL))
+ {
+ return (LVM_NULLADDRESS);
+ }
+ if ((pHeadroomParams->NHeadroomBands != 0) && (pHeadroomParams->pHeadroomDefinition == LVM_NULL))
+ {
+ return (LVM_NULLADDRESS);
+ }
+
+ /* Consider only the LVM_HEADROOM_MAX_NBANDS first bands*/
+ if (pHeadroomParams->NHeadroomBands > LVM_HEADROOM_MAX_NBANDS)
+ {
+ NBands = LVM_HEADROOM_MAX_NBANDS;
+ }
+ else
+ {
+ NBands = pHeadroomParams->NHeadroomBands;
+ }
+ pInstance->NewHeadroomParams.NHeadroomBands = NBands;
+
+ /* Copy settings in memory */
+ for(ii = 0; ii < NBands; ii++)
+ {
+ pInstance->pHeadroom_BandDefs[ii] = pHeadroomParams->pHeadroomDefinition[ii];
+ }
+
+ pInstance->NewHeadroomParams.pHeadroomDefinition = pInstance->pHeadroom_BandDefs;
+ pInstance->NewHeadroomParams.Headroom_OperatingMode = pHeadroomParams->Headroom_OperatingMode;
+ pInstance->ControlPending = LVM_TRUE;
+
+ return(LVM_SUCCESS);
+}
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_GetHeadroomParams */
+/* */
+/* DESCRIPTION: */
+/* This function is used to get the automatic headroom management parameters. */
+/* */
+/* PARAMETERS: */
+/* hInstance Instance Handle */
+/* pHeadroomParams Pointer to headroom parameter structure (output) */
+/* */
+/* RETURNS: */
+/* LVM_SUCCESS Succeeded */
+/* LVM_NULLADDRESS When hInstance or pHeadroomParams are NULL */
+/* */
+/* NOTES: */
+/* 1. This function may be interrupted by the LVM_Process function */
+/* */
+/****************************************************************************************/
+
+LVM_ReturnStatus_en LVM_GetHeadroomParams(LVM_Handle_t hInstance,
+ LVM_HeadroomParams_t *pHeadroomParams)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)hInstance;
+ LVM_UINT16 ii;
+
+ /* Check for NULL pointers */
+ if ((hInstance == LVM_NULL) || (pHeadroomParams == LVM_NULL))
+ {
+ return (LVM_NULLADDRESS);
+ }
+
+ pHeadroomParams->NHeadroomBands = pInstance->NewHeadroomParams.NHeadroomBands;
+
+
+ /* Copy settings in memory */
+ for(ii = 0; ii < pInstance->NewHeadroomParams.NHeadroomBands; ii++)
+ {
+ pInstance->pHeadroom_UserDefs[ii] = pInstance->pHeadroom_BandDefs[ii];
+ }
+
+
+ pHeadroomParams->pHeadroomDefinition = pInstance->pHeadroom_UserDefs;
+ pHeadroomParams->Headroom_OperatingMode = pInstance->NewHeadroomParams.Headroom_OperatingMode;
+ return(LVM_SUCCESS);
+}
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_AlgoCallBack */
+/* */
+/* DESCRIPTION: */
+/* This is the callback function of the algorithm. */
+/* */
+/* PARAMETERS: */
+/* pBundleHandle Pointer to the Instance Handle */
+/* pData Pointer to the data */
+/* callbackId ID of the callback */
+/* */
+/* NOTES: */
+/* 1. This function may be interrupted by the LVM_Process function */
+/* */
+/****************************************************************************************/
+LVM_INT32 LVM_AlgoCallBack( void *pBundleHandle,
+ void *pData,
+ LVM_INT16 callbackId)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)pBundleHandle;
+
+ (void) pData;
+
+ switch(callbackId & 0xFF00){
+ case ALGORITHM_CS_ID:
+ switch(callbackId & 0x00FF)
+ {
+ case LVCS_EVENT_ALGOFF:
+ pInstance->CS_Active = LVM_FALSE;
+ break;
+ default:
+ break;
+ }
+ break;
+ case ALGORITHM_EQNB_ID:
+ switch(callbackId & 0x00FF)
+ {
+ case LVEQNB_EVENT_ALGOFF:
+ pInstance->EQNB_Active = LVM_FALSE;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+/****************************************************************************************/
+/* */
+/* FUNCTION: LVM_VCCallBack */
+/* */
+/* DESCRIPTION: */
+/* This is the callback function of the Volume control. */
+/* */
+/* PARAMETERS: */
+/* pBundleHandle Pointer to the Instance Handle */
+/* pGeneralPurpose Pointer to the data */
+/* CallBackParam ID of the callback */
+/* */
+/* NOTES: */
+/* 1. This function may be interrupted by the LVM_Process function */
+/* */
+/****************************************************************************************/
+LVM_INT32 LVM_VCCallBack(void* pBundleHandle,
+ void* pGeneralPurpose,
+ short CallBackParam)
+{
+ LVM_Instance_t *pInstance =(LVM_Instance_t *)pBundleHandle;
+ LVM_INT32 Target;
+
+ (void) pGeneralPurpose;
+ (void) CallBackParam;
+
+ /* When volume mixer has reached 0 dB target then stop it to avoid
+ unnecessary processing. */
+ Target = LVC_Mixer_GetTarget(&pInstance->VC_Volume.MixerStream[0]);
+
+ if(Target == 0x7FFF)
+ {
+ pInstance->VC_Active = LVM_FALSE;
+ }
+ return 1;
+}
generated by cgit v1.1 at 2024-05-14 17:05:33 +0000