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Pretty-Fast Fast Fourier Transform is a 3rd party FFT C library meant to replace other FFT libraries in WebRTC (see https://crbug.com/webrtc/9577). This CL adds a WebRTC wrapper meant to be used inside the Audio Processing Module (APM). As a first step, it only supports aligned memory allocated via PFFFT. Support for the C++ standard library containers will be done afterwards since it requires careful investigation and benchmarking (because PFFFT uses SIMD optimizations). The wrapper pre-allocates a scratch buffer to avoid VLA. Bug: webrtc:9577 Change-Id: Ied00c3d3b1df292024f608ccf0ed1917d6e92e56 Reviewed-on: https://webrtc-review.googlesource.com/c/122563 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Max Morin <maxmorin@webrtc.org> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26808}
WebRTC is a free, open software project that provides browsers and mobile applications with Real-Time Communications (RTC) capabilities via simple APIs. The WebRTC components have been optimized to best serve this purpose.
Our mission: To enable rich, high-quality RTC applications to be developed for the browser, mobile platforms, and IoT devices, and allow them all to communicate via a common set of protocols.
The WebRTC initiative is a project supported by Google, Mozilla and Opera, amongst others.
Development
See http://www.webrtc.org/native-code/development for instructions on how to get started developing with the native code.
Authoritative list of directories that contain the native API header files.
More info
- Official web site: http://www.webrtc.org
- Master source code repo: https://webrtc.googlesource.com/src
- Samples and reference apps: https://github.com/webrtc
- Mailing list: http://groups.google.com/group/discuss-webrtc
- Continuous build: http://build.chromium.org/p/client.webrtc
- Coding style guide
- Code of conduct