Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/audio_processing/high_pass_filter.h b/third_party/libwebrtc/modules/audio_processing/high_pass_filter.h
new file mode 100644
index 0000000000..7e7c370cd1
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/high_pass_filter.h
@@ -0,0 +1,45 @@
+/*
+ *  Copyright (c) 2012 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_HIGH_PASS_FILTER_H_
+#define MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_H_
+
+#include <memory>
+#include <vector>
+
+#include "api/array_view.h"
+#include "modules/audio_processing/utility/cascaded_biquad_filter.h"
+
+namespace webrtc {
+
+class AudioBuffer;
+
+class HighPassFilter {
+ public:
+  HighPassFilter(int sample_rate_hz, size_t num_channels);
+  ~HighPassFilter();
+  HighPassFilter(const HighPassFilter&) = delete;
+  HighPassFilter& operator=(const HighPassFilter&) = delete;
+
+  void Process(AudioBuffer* audio, bool use_split_band_data);
+  void Process(std::vector<std::vector<float>>* audio);
+  void Reset();
+  void Reset(size_t num_channels);
+
+  int sample_rate_hz() const { return sample_rate_hz_; }
+  size_t num_channels() const { return filters_.size(); }
+
+ private:
+  const int sample_rate_hz_;
+  std::vector<std::unique_ptr<CascadedBiQuadFilter>> filters_;
+};
+}  // namespace webrtc
+
+#endif  // MODULES_AUDIO_PROCESSING_HIGH_PASS_FILTER_H_