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Searched
refs:halfNumCoefs
(Results
1 - 5
of
5
) sorted by null
/frameworks/av/services/audioflinger/
AudioResamplerDyn.h
65
void set(int L, int
halfNumCoefs
,
80
void resize(int CHANNELS, int
halfNumCoefs
);
92
inline void readAgain(TI*& impulse, const int
halfNumCoefs
,
96
inline void readAdvance(TI*& impulse, const int
halfNumCoefs
,
103
// in general, mRingFull = mState + mStateSize -
halfNumCoefs
*CHANNELS.
AudioResamplerFirProcess.h
291
* @param
halfNumCoefs
is the half the number of coefficients per polyphase filter. Since the
292
* overall filterbank is odd-length symmetric, only
halfNumCoefs
need be stored.
295
* and including the #polyphases. Each polyphase of the filter has half-length
halfNumCoefs
297
* (#polyphases+1)*
halfNumCoefs
.
306
* the negative half of the filter is dot product from samples+1 to samples+
halfNumCoefs
;
307
* the positive half of the filter is dot product from samples to samples-
halfNumCoefs
+1.
340
const int coefShift, const int
halfNumCoefs
, const TC* const coefs,
353
const TC* coefsP = coefs + indexP*
halfNumCoefs
;
354
const TC* coefsN = coefs + indexN*
halfNumCoefs
;
360
halfNumCoefs
, coefsP, coefsN, sP, sN, volumeLR)
[
all
...]
AudioResamplerDyn.cpp
45
* Layout of the state buffer for
halfNumCoefs
=8.
82
void AudioResamplerDyn<TC, TI, TO>::InBuffer::resize(int CHANNELS, int
halfNumCoefs
)
85
size_t stateCount =
halfNumCoefs
* CHANNELS * 2 * kStateSizeMultipleOfFilterLength;
90
&& mRingFull-mState == (ssize_t) (mStateCount-
halfNumCoefs
*CHANNELS)) {
101
TI* srcLo = mImpulse -
halfNumCoefs
*CHANNELS;
102
TI* srcHi = mImpulse +
halfNumCoefs
*CHANNELS;
119
mImpulse = state +
halfNumCoefs
*CHANNELS; // actually one sample greater than needed
120
mRingFull = state + mStateCount -
halfNumCoefs
*CHANNELS;
123
// copy in the input data into the head (impulse+
halfNumCoefs
) of the buffer.
126
void AudioResamplerDyn<TC, TI, TO>::InBuffer::readAgain(TI*& impulse, const int
halfNumCoefs
,
[
all
...]
AudioResamplerSinc.h
87
unsigned int
halfNumCoefs
;
AudioResamplerSinc.cpp
347
c->
halfNumCoefs
= RESAMPLE_FIR_NUM_COEF;
385
c->
halfNumCoefs
= readResampleFirNumCoeff();
387
ALOGV("
halfNumCoefs
= %d", c->
halfNumCoefs
);
[
all
...]
Completed in 637 milliseconds