Each audio processing step is given a pointer to an AudioBuffer, where it can read and write int data. This patch adds corresponding AudioBuffer methods to read and write float data; the buffer will automatically convert the stored data between int and float as necessary. This patch also modifies the echo cancellation step to make use of the new methods (it was already using floats internally; now it doesn't have to convert from and to ints anymore). (The reference data to the ApmTest.Process test had to be modified slightly; this is because the echo canceller no longer unnecessarily converts float data to int and then immediately back to float for each iteration in the loop in EchoCancellationImpl::ProcessCaptureAudio.) BUG= R=aluebs@webrtc.org, andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/18399005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6138 4adac7df-926f-26a2-2b94-8c16560cd09d
Name: WebRTC URL: http://www.webrtc.org Version: 90 License: BSD License File: LICENSE Description: WebRTC provides real time voice and video processing functionality to enable the implementation of PeerConnection/MediaStream. Third party code used in this project is described in the file LICENSE_THIRD_PARTY.