blob: e0b18ca44cbb94f26bbd77850d4d357b1d3e8b98 [file] [log] [blame]
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <string.h>
namespace webrtc {
// Finite Impulse Response filter using floating-point arithmetic.
class FIRFilter {
virtual ~FIRFilter() {}
// Filters the `in` data supplied.
// `out` must be previously allocated and it must be at least of `length`.
virtual void Filter(const float* in, size_t length, float* out) = 0;
} // namespace webrtc