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Diffstat (limited to 'media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c')
-rw-r--r--media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c166
1 files changed, 55 insertions, 111 deletions
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
index 81521ba..5c7a8a0 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.c
@@ -54,7 +54,8 @@ LVREV_ReturnStatus_en LVREV_Process(LVREV_Handle_t hInstance,
LVREV_Instance_st *pLVREV_Private = (LVREV_Instance_st *)hInstance;
LVM_INT32 *pInput = (LVM_INT32 *)pInData;
LVM_INT32 *pOutput = pOutData;
- LVM_INT32 SamplesToProcess, RemainingSamples, format;
+ LVM_INT32 SamplesToProcess, RemainingSamples;
+ LVM_INT32 format = 1;
/*
* Check for error conditions
@@ -66,7 +67,6 @@ LVREV_ReturnStatus_en LVREV_Process(LVREV_Handle_t hInstance,
return LVREV_NULLADDRESS;
}
-
/*
* Apply the new controls settings if required
*/
@@ -95,9 +95,31 @@ LVREV_ReturnStatus_en LVREV_Process(LVREV_Handle_t hInstance,
return LVREV_SUCCESS;
}
+ /*
+ * If OFF copy and reformat the data as necessary
+ */
+ if (pLVREV_Private->CurrentParams.OperatingMode == LVM_MODE_OFF)
+ {
+ if(pInput != pOutput)
+ {
+ /*
+ * Copy the data to the output buffer, convert to stereo is required
+ */
+
+ if(pLVREV_Private->CurrentParams.SourceFormat == LVM_MONO){
+ MonoTo2I_32(pInput, pOutput, NumSamples);
+ } else {
+ Copy_16((LVM_INT16 *)pInput,
+ (LVM_INT16 *)pOutput,
+ (LVM_INT16)(NumSamples << 2)); // 32 bit data, stereo
+ }
+ }
+
+ return LVREV_SUCCESS;
+ }
+
RemainingSamples = (LVM_INT32)NumSamples;
- format = 1;
if (pLVREV_Private->CurrentParams.SourceFormat != LVM_MONO)
{
format = 2;
@@ -106,51 +128,24 @@ LVREV_ReturnStatus_en LVREV_Process(LVREV_Handle_t hInstance,
while (RemainingSamples!=0)
{
/*
- * If OFF copy and reformat the data as necessary
+ * Process the data
*/
- if (pLVREV_Private->CurrentParams.OperatingMode == LVM_MODE_OFF)
- {
- if((pInput != pOutput) || (pLVREV_Private->CurrentParams.SourceFormat == LVM_MONO))
- {
- /*
- * Copy the data to the output buffer
- */
- if (pLVREV_Private->CurrentParams.SourceFormat != LVM_MONO)
- {
- RemainingSamples = (RemainingSamples << 1); /* Stereo data */
- }
-
- Copy_16((LVM_INT16 *)pInput,
- (LVM_INT16 *)pOutput,
- (LVM_INT16)(RemainingSamples << 1));
- }
-
- RemainingSamples = 0;
+ if(RemainingSamples > pLVREV_Private->MaxBlkLen)
+ {
+ SamplesToProcess = pLVREV_Private->MaxBlkLen;
+ RemainingSamples = (LVM_INT16)(RemainingSamples - SamplesToProcess);
}
-
- /*
- * Process the data
- */
else
{
+ SamplesToProcess = RemainingSamples;
+ RemainingSamples = 0;
+ }
- if(RemainingSamples > pLVREV_Private->MaxBlkLen)
- {
- SamplesToProcess = pLVREV_Private->MaxBlkLen;
- RemainingSamples = (LVM_INT16)(RemainingSamples - SamplesToProcess);
- }
- else
- {
- SamplesToProcess = RemainingSamples;
- RemainingSamples = 0;
- }
-
- ReverbBlock(pInput, pOutput, pLVREV_Private, (LVM_UINT16)SamplesToProcess);
+ ReverbBlock(pInput, pOutput, pLVREV_Private, (LVM_UINT16)SamplesToProcess);
- pInput = (LVM_INT32 *)(pInput +(SamplesToProcess*format));
- pOutput = (LVM_INT32 *)(pOutput+(SamplesToProcess*format));
- }
+ pInput = (LVM_INT32 *)(pInput +(SamplesToProcess*format));
+ pOutput = (LVM_INT32 *)(pOutput+(SamplesToProcess*2)); // Always stereo output
}
return LVREV_SUCCESS;
@@ -420,26 +415,13 @@ void ReverbBlock(LVM_INT32 *pInput, LVM_INT32 *pOutput, LVREV_Instance_st *pPriv
pPrivate->pScratchDelayLine[1],
(LVM_INT16)NumSamples);
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
- JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
- pPrivate->pScratchDelayLine[1],
- pTemp,
- (LVM_INT16)NumSamples);
- }
- else
- {
- Add2_Sat_32x32(pPrivate->pScratchDelayLine[1],
- pPrivate->pScratchDelayLine[0],
- (LVM_INT16)NumSamples);
+ JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
+ pPrivate->pScratchDelayLine[1],
+ pTemp,
+ (LVM_INT16)NumSamples);
+
- /*Apply 3-dB gain in-order to compensate for the gain change in stereo mode*/
- Mult3s_32x16(pPrivate->pScratchDelayLine[0],
- LVREV_MIN3DB,
- pTemp,
- (LVM_INT16)NumSamples);
- }
break;
case LVREV_DELAYLINES_2:
@@ -447,49 +429,25 @@ void ReverbBlock(LVM_INT32 *pInput, LVM_INT32 *pOutput, LVREV_Instance_st *pPriv
(LVM_INT16*)pScratch,
(LVM_INT16)(NumSamples << 1));
-
-
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
-
- Mac3s_Sat_32x16(pPrivate->pScratchDelayLine[0],
- -0x8000,
- pScratch,
- (LVM_INT16)NumSamples);
- }
+ Mac3s_Sat_32x16(pPrivate->pScratchDelayLine[0],
+ -0x8000,
+ pScratch,
+ (LVM_INT16)NumSamples);
Add2_Sat_32x32(pPrivate->pScratchDelayLine[1],
pPrivate->pScratchDelayLine[0],
(LVM_INT16)NumSamples);
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
- JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
- pScratch,
- pTemp,
- (LVM_INT16)NumSamples);
- }
- else
- {
- Copy_16( (LVM_INT16*)pPrivate->pScratchDelayLine[0],
- (LVM_INT16*)pTemp,
- (LVM_INT16)(NumSamples << 1));
-
- }
- break;
- case LVREV_DELAYLINES_1:
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
-
- MonoTo2I_32(pPrivate->pScratchDelayLine[0],
+ JoinTo2i_32x32(pPrivate->pScratchDelayLine[0],
+ pScratch,
pTemp,
(LVM_INT16)NumSamples);
- }
- else
- {
- pTemp = pPrivate->pScratchDelayLine[0];
- }
+ break;
+ case LVREV_DELAYLINES_1:
+ MonoTo2I_32(pPrivate->pScratchDelayLine[0],
+ pTemp,
+ (LVM_INT16)NumSamples);
break;
default:
break;
@@ -499,30 +457,15 @@ void ReverbBlock(LVM_INT32 *pInput, LVM_INT32 *pOutput, LVREV_Instance_st *pPriv
/*
* Dry/wet mixer
*/
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
- size = (LVM_INT16)(NumSamples << 1);
- }
- else
- {
- size = (LVM_INT16)NumSamples;
- }
+ size = (LVM_INT16)(NumSamples << 1);
MixSoft_2St_D32C31_SAT(&pPrivate->BypassMixer,
- pInput,
+ pTemp,
pTemp,
pOutput,
size);
/* Apply Gain*/
- if(pPrivate->CurrentParams.SourceFormat != LVM_MONO)
- {
- size = (LVM_INT16)(NumSamples << 1);
- }
- else
- {
- size = (LVM_INT16)NumSamples;
- }
Shift_Sat_v32xv32 (LVREV_OUTPUTGAIN_SHIFT,
pOutput,
@@ -533,6 +476,7 @@ void ReverbBlock(LVM_INT32 *pInput, LVM_INT32 *pOutput, LVREV_Instance_st *pPriv
pOutput,
pOutput,
size);
+
return;
}
generated by cgit v1.1 at 2024-05-04 04:28:05 +0000