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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h')
-rw-r--r-- | third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h b/third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h new file mode 100644 index 0000000000..c18b2334bf --- /dev/null +++ b/third_party/libwebrtc/modules/audio_processing/aec3/suppression_filter.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2017 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 MODULES_AUDIO_PROCESSING_AEC3_SUPPRESSION_FILTER_H_ +#define MODULES_AUDIO_PROCESSING_AEC3_SUPPRESSION_FILTER_H_ + +#include <array> +#include <vector> + +#include "modules/audio_processing/aec3/aec3_common.h" +#include "modules/audio_processing/aec3/aec3_fft.h" +#include "modules/audio_processing/aec3/block.h" +#include "modules/audio_processing/aec3/fft_data.h" + +namespace webrtc { + +class SuppressionFilter { + public: + SuppressionFilter(Aec3Optimization optimization, + int sample_rate_hz, + size_t num_capture_channels_); + ~SuppressionFilter(); + + SuppressionFilter(const SuppressionFilter&) = delete; + SuppressionFilter& operator=(const SuppressionFilter&) = delete; + + void ApplyGain(rtc::ArrayView<const FftData> comfort_noise, + rtc::ArrayView<const FftData> comfort_noise_high_bands, + const std::array<float, kFftLengthBy2Plus1>& suppression_gain, + float high_bands_gain, + rtc::ArrayView<const FftData> E_lowest_band, + Block* e); + + private: + const Aec3Optimization optimization_; + const int sample_rate_hz_; + const size_t num_capture_channels_; + const Aec3Fft fft_; + std::vector<std::vector<std::array<float, kFftLengthBy2>>> e_output_old_; +}; + +} // namespace webrtc + +#endif // MODULES_AUDIO_PROCESSING_AEC3_SUPPRESSION_FILTER_H_ |