Adding method IsInBeam to beamformer class.

webrtc/modules/audio_processing/beamformer/beamformer.h

Index: webrtc/modules/audio_processing/beamformer/beamformer.h
diff --git a/webrtc/modules/audio_processing/beamformer/beamformer.h b/webrtc/modules/audio_processing/beamformer/beamformer.h
index 04cb659c6d346954e23feef5af5613cbfa4af5e3..2e450c2fe25fb3022870a9e0e93698eb02c840c8 100644
--- a/webrtc/modules/audio_processing/beamformer/beamformer.h
+++ b/webrtc/modules/audio_processing/beamformer/beamformer.h
@@ -20,6 +20,10 @@ class Beamformer {
  public:
   virtual ~Beamformer() {}
 
+
+
+
+

[aluebs-webrtc, 2015/06/25 01:04:36]

Remove these blank lines.

   // Process one time-domain chunk of audio. The audio is expected to be split
   // into frequency bands inside the ChannelBuffer. The number of frames and
   // channels must correspond to the constructor parameters. The same
@@ -31,6 +35,9 @@ class Beamformer {
   // Needs to be called before the the Beamformer can be used.
   virtual void Initialize(int chunk_size_ms, int sample_rate_hz) = 0;
 
+  // Indicates whether a given azimuth is inside of the beam.
+  virtual bool IsInBeam(float azimuth) { return true; }

[aluebs-webrtc, 2015/06/25 01:04:36]

We decided to change this to Point, right?

+
   // Returns true if the current data contains the target signal.
   // Which signals are considered "targets" is implementation dependent.
   virtual bool is_target_present() = 0;