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common_audio: Made input signal const in WebRtcSplFilterMAFastQ12()

Browse Source 
BUG=3353, 1133
TESTED=locally on Mac and trybots
R=henrik.lundin@webrtc.org, kwiberg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37499004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@8037 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
bjornv@webrtc.org 2015-01-12 05:50:52 +00:00
parent 19e4e8d751
commit c14e3572c6
3 changed files with 23 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
webrtc/common_audio/signal_processing/filter_ma_fast_q12.c
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@ -17,9 +17,9 @@
#include "webrtc/common_audio/signal_processing/include/signal_processing_library.h"
void WebRtcSpl_FilterMAFastQ12(int16_t* in_ptr,
void WebRtcSpl_FilterMAFastQ12(const int16_t* in_ptr,
int16_t* out_ptr,
int16_t* B,
const int16_t* B,
int16_t B_length,
int16_t length)
{

34
webrtc/common_audio/signal_processing/include/signal_processing_library.h
View File

@ -650,9 +650,23 @@ int WebRtcSpl_FilterAR(const int16_t* ar_coef,
int16_t* out_vector_low,
int out_vector_low_length);
void WebRtcSpl_FilterMAFastQ12(int16_t* in_vector,
// WebRtcSpl_FilterMAFastQ12(...)
//
// Performs a MA filtering on a vector in Q12
//
// Input:
// - in_vector : Input samples (state in positions
// in_vector[-order] .. in_vector[-1])
// - ma_coef : Filter coefficients (in Q12)
// - ma_coef_length : Number of B coefficients (order+1)
// - vector_length : Number of samples to be filtered
//
// Output:
// - out_vector : Filtered samples
//
void WebRtcSpl_FilterMAFastQ12(const int16_t* in_vector,
int16_t* out_vector,
int16_t* ma_coef,
const int16_t* ma_coef,
int16_t ma_coef_length,
int16_t vector_length);
@ -1499,22 +1513,6 @@ void WebRtcSpl_SynthesisQMF(const int16_t* low_band,
// Return value : Number of samples in the |out_vector|.
//
//
// WebRtcSpl_FilterMAFastQ12(...)
//
// Performs a MA filtering on a vector in Q12
//
// Input:
// - in_vector : Input samples (state in positions
// in_vector[-order] .. in_vector[-1])
// - ma_coef : Filter coefficients (in Q12)
// - ma_coef_length : Number of B coefficients (order+1)
// - vector_length : Number of samples to be filtered
//
// Output:
// - out_vector : Filtered samples
//
//
// WebRtcSpl_ComplexIFFT(...)
//

8
webrtc/modules/audio_coding/neteq/expand.cc
View File

@ -618,9 +618,11 @@ void Expand::AnalyzeSignal(int16_t* random_vector) {
memcpy(unvoiced_vector - kUnvoicedLpcOrder,
&(audio_history[signal_length - 128 - kUnvoicedLpcOrder]),
sizeof(int16_t) * kUnvoicedLpcOrder);
WebRtcSpl_FilterMAFastQ12(
const_cast<int16_t*>(&audio_history[signal_length - 128]),
unvoiced_vector, parameters.ar_filter, kUnvoicedLpcOrder + 1, 128);
WebRtcSpl_FilterMAFastQ12(&audio_history[signal_length - 128],
unvoiced_vector,
parameters.ar_filter,
kUnvoicedLpcOrder + 1,
128);
int16_t unvoiced_prescale;
if (WebRtcSpl_MaxAbsValueW16(unvoiced_vector, 128) > 4000) {
unvoiced_prescale = 4;