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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}
3 lines
44 B
Python
3 lines
44 B
Python
include_rules = [
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"+third_party/pffft",
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]
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