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Pulling AEC divergent filter fraction.

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BUG=

Review URL: https://codereview.webrtc.org/1862393002

Cr-Commit-Position: refs/heads/master@{#12279}
This commit is contained in:
minyue 2016-04-07 06:36:43 -07:00 committed by Commit bot
parent 9d7e8dd44e
commit 5045337133
6 changed files with 14 additions and 3 deletions
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5
webrtc/modules/audio_processing/aec/aec_core.cc
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@ -1887,13 +1887,16 @@ int WebRtcAec_echo_state(AecCore* self) {
void WebRtcAec_GetEchoStats(AecCore* self,
Stats* erl,
Stats* erle,
Stats* a_nlp) {
Stats* a_nlp,
float* divergent_filter_fraction) {
assert(erl != NULL);
assert(erle != NULL);
assert(a_nlp != NULL);
*erl = self->erl;
*erle = self->erle;
*a_nlp = self->aNlp;
*divergent_filter_fraction =
self->divergent_filter_fraction.GetLatestFraction();
}
void WebRtcAec_SetConfigCore(AecCore* self,

3
webrtc/modules/audio_processing/aec/aec_core.h
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@ -95,7 +95,8 @@ int WebRtcAec_echo_state(AecCore* self);
void WebRtcAec_GetEchoStats(AecCore* self,
Stats* erl,
Stats* erle,
Stats* a_nlp);
Stats* a_nlp,
float* divergent_filter_fraction);
#ifdef WEBRTC_AEC_DEBUG_DUMP
void* WebRtcAec_far_time_buf(AecCore* self);
#endif

3
webrtc/modules/audio_processing/aec/echo_cancellation.cc
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@ -452,7 +452,8 @@ int WebRtcAec_GetMetrics(void* handle, AecMetrics* metrics) {
return AEC_UNINITIALIZED_ERROR;
}
WebRtcAec_GetEchoStats(self->aec, &erl, &erle, &a_nlp);
WebRtcAec_GetEchoStats(self->aec, &erl, &erle, &a_nlp,
&metrics->divergent_filter_fraction);
// ERL
metrics->erl.instant = static_cast<int>(erl.instant);

1
webrtc/modules/audio_processing/aec/echo_cancellation.h
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@ -51,6 +51,7 @@ typedef struct {
AecLevel erl;
AecLevel erle;
AecLevel aNlp;
float divergent_filter_fraction;
} AecMetrics;
struct AecCore;

1
webrtc/modules/audio_processing/echo_cancellation_impl.cc
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@ -381,6 +381,7 @@ int EchoCancellationImpl::GetMetrics(Metrics* metrics) {
metrics->a_nlp.maximum = my_metrics.aNlp.max;
metrics->a_nlp.minimum = my_metrics.aNlp.min;
metrics->divergent_filter_fraction = my_metrics.divergent_filter_fraction;
return AudioProcessing::kNoError;
}

4
webrtc/modules/audio_processing/include/audio_processing.h
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@ -672,6 +672,10 @@ class EchoCancellation {
// (Pre non-linear processing suppression) A_NLP = 10log_10(P_echo / P_a)
AudioProcessing::Statistic a_nlp;
// Fraction of time that the AEC linear filter is divergent, in a 0.5-second
// non-overlapped aggregation window.
float divergent_filter_fraction;
};
// TODO(ajm): discuss the metrics update period.