1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/aec3/fft_buffer.cc b/third_party/libwebrtc/modules/audio_processing/aec3/fft_buffer.cc
new file mode 100644
index 0000000000..1ce2d31d8f
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/aec3/fft_buffer.cc
@@ -0,0 +1,27 @@
+/*
+ *  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.
+ */
+
+#include "modules/audio_processing/aec3/fft_buffer.h"
+
+namespace webrtc {
+
+FftBuffer::FftBuffer(size_t size, size_t num_channels)
+    : size(static_cast<int>(size)),
+      buffer(size, std::vector<FftData>(num_channels)) {
+  for (auto& block : buffer) {
+    for (auto& channel_fft_data : block) {
+      channel_fft_data.Clear();
+    }
+  }
+}
+
+FftBuffer::~FftBuffer() = default;
+
+}  // namespace webrtc