Surface the noise estimate of the NS to be used by other components

webrtc/modules/audio_processing/ns/noise_suppression.c

Index: webrtc/modules/audio_processing/ns/noise_suppression.c
diff --git a/webrtc/modules/audio_processing/ns/noise_suppression.c b/webrtc/modules/audio_processing/ns/noise_suppression.c
index dd05e0ab3d7f905ca8f936d605e3bd90e0f78f46..54834b95ce3f5c2878972f485fae256a575706b4 100644
--- a/webrtc/modules/audio_processing/ns/noise_suppression.c
+++ b/webrtc/modules/audio_processing/ns/noise_suppression.c
@@ -57,3 +57,15 @@ float WebRtcNs_prior_speech_probability(NsHandle* handle) {
   }
   return self->priorSpeechProb;
 }
+
+const float* WebRtcNs_noise_estimate(NsHandle* handle) {

[hlundin-webrtc, 2016/02/08 10:12:32]

You can make the input a const pointer.

[aluebs-webrtc, 2016/02/09 00:01:42]

Done.

+  NoiseSuppressionC* self = (NoiseSuppressionC*)handle;

[hlundin-webrtc, 2016/02/08 10:12:32]

const

[aluebs-webrtc, 2016/02/09 00:01:42]

Done.

+  if (handle == NULL || self->initFlag == 0) {
+    return NULL;
+  }
+  return self->noise;
+}
+
+size_t WebRtcNs_num_freq() {
+  return HALF_ANAL_BLOCKL;

[hlundin-webrtc, 2016/02/08 10:12:32]

Is this a medical condition? :)

[aluebs-webrtc, 2016/02/09 00:01:42]

I didn't come up with that naming :)

[hlundin-webrtc, 2016/02/09 15:33:51]

Acknowledged.

+}