biquad_dsp_kernel.cc | Explore in Territory

/*
 * Copyright (C) 2010, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/modules/webaudio/biquad_dsp_kernel.h"

#include <limits.h>

#include "third_party/blink/renderer/platform/audio/audio_utilities.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

#ifdef __SSE2__
#include <immintrin.h>
#elif defined(__ARM_NEON__)
#include <arm_neon.h>
#endif

namespace blink {

namespace {

bool HasConstantValues(float* values, int frames_to_process) { … }

}  // namespace

bool BiquadDSPKernel::HasConstantValuesForTesting(float* values,
                                                  int frames_to_process) { … }

void BiquadDSPKernel::UpdateCoefficientsIfNecessary(int frames_to_process) { … }

void BiquadDSPKernel::UpdateCoefficients(int number_of_frames,
                                         const float* cutoff_frequency,
                                         const float* q,
                                         const float* gain,
                                         const float* detune) { … }

void BiquadDSPKernel::UpdateTailTime(int coef_index) { … }

void BiquadDSPKernel::Process(const float* source,
                              float* destination,
                              uint32_t frames_to_process) { … }

void BiquadDSPKernel::GetFrequencyResponse(BiquadDSPKernel& kernel,
                                           int n_frequencies,
                                           const float* frequency_hz,
                                           float* mag_response,
                                           float* phase_response) { … }

bool BiquadDSPKernel::RequiresTailProcessing() const { … }

double BiquadDSPKernel::TailTime() const { … }

double BiquadDSPKernel::LatencyTime() const { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/webaudio/biquad_dsp_kernel.cc
