Pull out the PostFilter to its own NonlinearBeamformer API
This is done to avoid having a nonlinear component in the AEC path.
Now the linear delay and sum is run before the AEC and the postfilter after it.
This change landed originally at: https://codereview.webrtc.org/1982183002/
R=peah@webrtc.org
TBR=henrik.lundin@webrtc.org
Review URL: https://codereview.webrtc.org/2110593003 .
Cr-Commit-Position: refs/heads/master@{#13371}
diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index d25c252..06bfc9b 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -31,8 +31,7 @@
class AudioFrame;
-template<typename T>
-class Beamformer;
+class NonlinearBeamformer;
class StreamConfig;
class ProcessingConfig;
@@ -275,7 +274,7 @@
static AudioProcessing* Create(const Config& config);
// Only for testing.
static AudioProcessing* Create(const Config& config,
- Beamformer<float>* beamformer);
+ NonlinearBeamformer* beamformer);
virtual ~AudioProcessing() {}
// Initializes internal states, while retaining all user settings. This