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/*
* 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.
*/
#ifndef COMMON_AUDIO_FIR_FILTER_FACTORY_H_
#define COMMON_AUDIO_FIR_FILTER_FACTORY_H_
#include <string.h>
namespace webrtc {
class FIRFilter;
// Creates a filter with the given coefficients. All initial state values will
// be zeros.
// The length of the chunks fed to the filter should never be greater than
// |max_input_length|. This is needed because, when vectorizing it is
// necessary to concatenate the input after the state, and resizing this array
// dynamically is expensive.
FIRFilter* CreateFirFilter(const float* coefficients,
size_t coefficients_length,
size_t max_input_length);
} // namespace webrtc
#endif // COMMON_AUDIO_FIR_FILTER_FACTORY_H_
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