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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}
126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/*
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* Copyright (c) 2013 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 "modules/audio_processing/transient/dyadic_decimator.h"
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#include "test/gtest.h"
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namespace webrtc {
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static const size_t kEvenBufferLength = 6;
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static const size_t kOddBufferLength = 5;
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static const size_t kOutBufferLength = 3;
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int16_t const test_buffer_even_len[] = {0, 1, 2, 3, 4, 5};
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int16_t const test_buffer_odd_len[] = {0, 1, 2, 3, 4};
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int16_t test_buffer_out[kOutBufferLength];
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TEST(DyadicDecimatorTest, GetOutLengthToDyadicDecimate) {
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EXPECT_EQ(3u, GetOutLengthToDyadicDecimate(6, false));
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EXPECT_EQ(3u, GetOutLengthToDyadicDecimate(6, true));
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EXPECT_EQ(3u, GetOutLengthToDyadicDecimate(5, false));
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EXPECT_EQ(2u, GetOutLengthToDyadicDecimate(5, true));
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}
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TEST(DyadicDecimatorTest, DyadicDecimateErrorValues) {
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size_t out_samples = 0;
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out_samples = DyadicDecimate(static_cast<int16_t*>(NULL),
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kEvenBufferLength,
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false, // Even sequence.
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test_buffer_out,
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kOutBufferLength);
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EXPECT_EQ(0u, out_samples);
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out_samples = DyadicDecimate(test_buffer_even_len,
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kEvenBufferLength,
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false, // Even sequence.
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static_cast<int16_t*>(NULL),
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kOutBufferLength);
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EXPECT_EQ(0u, out_samples);
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// Less than required |out_length|.
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out_samples = DyadicDecimate(test_buffer_even_len,
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kEvenBufferLength,
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false, // Even sequence.
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test_buffer_out,
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2);
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EXPECT_EQ(0u, out_samples);
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}
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TEST(DyadicDecimatorTest, DyadicDecimateEvenLengthEvenSequence) {
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size_t expected_out_samples =
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GetOutLengthToDyadicDecimate(kEvenBufferLength, false);
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size_t out_samples = DyadicDecimate(test_buffer_even_len,
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kEvenBufferLength,
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false, // Even sequence.
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test_buffer_out,
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kOutBufferLength);
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EXPECT_EQ(expected_out_samples, out_samples);
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EXPECT_EQ(0, test_buffer_out[0]);
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EXPECT_EQ(2, test_buffer_out[1]);
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EXPECT_EQ(4, test_buffer_out[2]);
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}
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TEST(DyadicDecimatorTest, DyadicDecimateEvenLengthOddSequence) {
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size_t expected_out_samples =
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GetOutLengthToDyadicDecimate(kEvenBufferLength, true);
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size_t out_samples = DyadicDecimate(test_buffer_even_len,
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kEvenBufferLength,
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true, // Odd sequence.
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test_buffer_out,
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kOutBufferLength);
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EXPECT_EQ(expected_out_samples, out_samples);
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EXPECT_EQ(1, test_buffer_out[0]);
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EXPECT_EQ(3, test_buffer_out[1]);
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EXPECT_EQ(5, test_buffer_out[2]);
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}
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TEST(DyadicDecimatorTest, DyadicDecimateOddLengthEvenSequence) {
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size_t expected_out_samples =
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GetOutLengthToDyadicDecimate(kOddBufferLength, false);
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size_t out_samples = DyadicDecimate(test_buffer_odd_len,
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kOddBufferLength,
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false, // Even sequence.
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test_buffer_out,
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kOutBufferLength);
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EXPECT_EQ(expected_out_samples, out_samples);
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EXPECT_EQ(0, test_buffer_out[0]);
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EXPECT_EQ(2, test_buffer_out[1]);
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EXPECT_EQ(4, test_buffer_out[2]);
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}
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TEST(DyadicDecimatorTest, DyadicDecimateOddLengthOddSequence) {
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size_t expected_out_samples =
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GetOutLengthToDyadicDecimate(kOddBufferLength, true);
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size_t out_samples = DyadicDecimate(test_buffer_odd_len,
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kOddBufferLength,
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true, // Odd sequence.
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test_buffer_out,
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kOutBufferLength);
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EXPECT_EQ(expected_out_samples, out_samples);
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EXPECT_EQ(1, test_buffer_out[0]);
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EXPECT_EQ(3, test_buffer_out[1]);
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}
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} // namespace webrtc
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