Implement AudioReceiveStream::GetStats().

webrtc/audio/conversion.h

Index: webrtc/audio/conversion.h
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc b/webrtc/audio/conversion.h
similarity index 62%
copy from webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
copy to webrtc/audio/conversion.h
index 89879adafba17f6f31bc393074bd6c8ccf0a0b37..c1cf9b632e87432f8d172e2edd1fa164365e5eeb 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/audio_decoder_isac.cc
+++ b/webrtc/audio/conversion.h
@@ -8,13 +8,15 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_coding/codecs/isac/main/interface/audio_decoder_isac.h"
-
-#include "webrtc/modules/audio_coding/codecs/isac/audio_decoder_isac_t_impl.h"
+#ifndef WEBRTC_AUDIO_CONVERSION_H_
+#define WEBRTC_AUDIO_CONVERSION_H_
 
 namespace webrtc {
 
-// Explicit instantiation:
-template class AudioDecoderIsacT<IsacFloat>;
-
+// Convert fixed point number with 14 bit fractional part, to floating point.
+inline float Q14ToFloat(uint16_t v) {
+  return static_cast<float>(v) / (1 << 14);
+}
 }  // namespace webrtc
+
+#endif  // WEBRTC_AUDIO_CONVERSION_H_