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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "common_audio/window_generator.h"
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#include <cstring>
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#include "test/gtest.h"
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namespace webrtc {
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TEST(WindowGeneratorTest, KaiserBesselDerived) {
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float window[7];
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memset(window, 0, sizeof(window));
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WindowGenerator::KaiserBesselDerived(0.397856f, 2, window);
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ASSERT_NEAR(window[0], 0.707106f, 1e-6f);
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ASSERT_NEAR(window[1], 0.707106f, 1e-6f);
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ASSERT_NEAR(window[2], 0.0f, 1e-6f);
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ASSERT_NEAR(window[3], 0.0f, 1e-6f);
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ASSERT_NEAR(window[4], 0.0f, 1e-6f);
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ASSERT_NEAR(window[5], 0.0f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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WindowGenerator::KaiserBesselDerived(0.397856f, 3, window);
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ASSERT_NEAR(window[0], 0.598066f, 1e-6f);
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ASSERT_NEAR(window[1], 0.922358f, 1e-6f);
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ASSERT_NEAR(window[2], 0.598066f, 1e-6f);
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ASSERT_NEAR(window[3], 0.0f, 1e-6f);
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ASSERT_NEAR(window[4], 0.0f, 1e-6f);
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ASSERT_NEAR(window[5], 0.0f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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WindowGenerator::KaiserBesselDerived(0.397856f, 6, window);
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ASSERT_NEAR(window[0], 0.458495038865344f, 1e-6f);
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ASSERT_NEAR(window[1], 0.707106781186548f, 1e-6f);
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ASSERT_NEAR(window[2], 0.888696967101760f, 1e-6f);
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ASSERT_NEAR(window[3], 0.888696967101760f, 1e-6f);
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ASSERT_NEAR(window[4], 0.707106781186548f, 1e-6f);
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ASSERT_NEAR(window[5], 0.458495038865344f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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}
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TEST(WindowGeneratorTest, Hanning) {
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float window[7];
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memset(window, 0, sizeof(window));
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window[0] = -1.0f;
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window[1] = -1.0f;
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WindowGenerator::Hanning(2, window);
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ASSERT_NEAR(window[0], 0.0f, 1e-6f);
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ASSERT_NEAR(window[1], 0.0f, 1e-6f);
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ASSERT_NEAR(window[2], 0.0f, 1e-6f);
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ASSERT_NEAR(window[3], 0.0f, 1e-6f);
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ASSERT_NEAR(window[4], 0.0f, 1e-6f);
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ASSERT_NEAR(window[5], 0.0f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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window[0] = -1.0f;
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window[2] = -1.0f;
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WindowGenerator::Hanning(3, window);
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ASSERT_NEAR(window[0], 0.0f, 1e-6f);
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ASSERT_NEAR(window[1], 1.0f, 1e-6f);
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ASSERT_NEAR(window[2], 0.0f, 1e-6f);
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ASSERT_NEAR(window[3], 0.0f, 1e-6f);
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ASSERT_NEAR(window[4], 0.0f, 1e-6f);
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ASSERT_NEAR(window[5], 0.0f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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window[0] = -1.0f;
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window[5] = -1.0f;
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WindowGenerator::Hanning(6, window);
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ASSERT_NEAR(window[0], 0.0f, 1e-6f);
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ASSERT_NEAR(window[1], 0.345491f, 1e-6f);
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ASSERT_NEAR(window[2], 0.904508f, 1e-6f);
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ASSERT_NEAR(window[3], 0.904508f, 1e-6f);
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ASSERT_NEAR(window[4], 0.345491f, 1e-6f);
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ASSERT_NEAR(window[5], 0.0f, 1e-6f);
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ASSERT_NEAR(window[6], 0.0f, 1e-6f);
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}
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} // namespace webrtc
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