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Removed unused code and simplified the code for the AEC metrics

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BUG=

Review URL: https://codereview.webrtc.org/1842003003

Cr-Commit-Position: refs/heads/master@{#12258}
This commit is contained in:
peah
2016-04-06 02:28:25 -07:00
committed by Commit bot
parent 38d653c927
commit fc3ef3e5c1
1 changed files with 4 additions and 9 deletions
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13
webrtc/modules/audio_processing/aec/aec_core.cc
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@ -590,7 +590,7 @@ static void UpdateLevel(PowerLevel* level, float power) {
}
static void UpdateMetrics(AecCore* aec) {
float dtmp, dtmp2;
float dtmp;
const float actThresholdNoisy = 8.0f;
const float actThresholdClean = 40.0f;
@ -629,7 +629,6 @@ static void UpdateMetrics(AecCore* aec) {
// ERL
dtmp = 10 * static_cast<float>(log10(far_average_level /
near_average_level + 1e-10f));
dtmp2 = 10 * static_cast<float>(log10(far_average_level / echo + 1e-10f));
aec->erl.instant = dtmp;
if (dtmp > aec->erl.max) {
@ -661,9 +660,9 @@ static void UpdateMetrics(AecCore* aec) {
suppressedEcho =
linout_average_level - safety * aec->linoutlevel.minlevel;
dtmp2 = 10 * static_cast<float>(log10(echo / suppressedEcho + 1e-10f));
aec->aNlp.instant =
10 * static_cast<float>(log10(echo / suppressedEcho + 1e-10f));
aec->aNlp.instant = dtmp2;
if (dtmp > aec->aNlp.max) {
aec->aNlp.max = dtmp;
}
@ -689,12 +688,8 @@ static void UpdateMetrics(AecCore* aec) {
// subtract noise power
suppressedEcho =
nlpout_average_level - safety * aec->nlpoutlevel.minlevel;
dtmp = 10 * static_cast<float>(log10(echo / suppressedEcho + 1e-10f));
dtmp = 10 * static_cast<float>(log10(near_average_level /
nlpout_average_level + 1e-10f));
dtmp2 = 10 * static_cast<float>(log10(echo / suppressedEcho + 1e-10f));
dtmp = dtmp2;
aec->erle.instant = dtmp;
if (dtmp > aec->erle.max) {
aec->erle.max = dtmp;