blob: d404a69ecd2f20c075979a89e54ce7c315449124 [file] [log] [blame]
* Copyright (c) 2018 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 "api/array_view.h"
#include "modules/audio_processing/aec3/reverb_model.h"
#include "modules/audio_processing/aec3/vector_buffer.h"
namespace webrtc {
// The RenderReverbModel class applies an exponential reverberant model over the
// render spectrum.
class RenderReverbModel {
// Resets the state.
void Reset();
// Applies the reverberation model over the render spectrum. It also returns
// the reverberation render power spectrum in the array reverb_power_spectrum.
void Apply(const VectorBuffer& spectrum_buffer,
int delay_blocks,
float reverb_decay,
rtc::ArrayView<float> reverb_power_spectrum);
// Gets the reverberation spectrum that was added to the render spectrum for
// computing the reverberation render spectrum.
rtc::ArrayView<const float> GetReverbContributionPowerSpectrum() const {
return render_reverb_.GetPowerSpectrum();
ReverbModel render_reverb_;
} // namespace webrtc.