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Diffstat (limited to 'third_party/libwebrtc/common_audio/window_generator.h')
-rw-r--r-- | third_party/libwebrtc/common_audio/window_generator.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_audio/window_generator.h b/third_party/libwebrtc/common_audio/window_generator.h new file mode 100644 index 0000000000..c0a89c4f93 --- /dev/null +++ b/third_party/libwebrtc/common_audio/window_generator.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2014 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 COMMON_AUDIO_WINDOW_GENERATOR_H_ +#define COMMON_AUDIO_WINDOW_GENERATOR_H_ + +#include <stddef.h> + +namespace webrtc { + +// Helper class with generators for various signal transform windows. +class WindowGenerator { + public: + WindowGenerator() = delete; + WindowGenerator(const WindowGenerator&) = delete; + WindowGenerator& operator=(const WindowGenerator&) = delete; + + static void Hanning(int length, float* window); + static void KaiserBesselDerived(float alpha, size_t length, float* window); +}; + +} // namespace webrtc + +#endif // COMMON_AUDIO_WINDOW_GENERATOR_H_ |