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0b489303d2
Bug: webrtc:12338 Change-Id: I85bff694dd2ead83c939c4d1945eff82e1296001 No-Presubmit: True Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227161 Commit-Queue: Artem Titov <titovartem@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34690}
102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/*
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* Copyright (c) 2018 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/agc2/rnn_vad/sequence_buffer.h"
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#include <algorithm>
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#include <array>
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#include "test/gtest.h"
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namespace webrtc {
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namespace rnn_vad {
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namespace {
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template <typename T, int S, int N>
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void TestSequenceBufferPushOp() {
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SCOPED_TRACE(S);
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SCOPED_TRACE(N);
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SequenceBuffer<T, S, N> seq_buf;
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auto seq_buf_view = seq_buf.GetBufferView();
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std::array<T, N> chunk;
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// Check that a chunk is fully gone after ceil(S / N) push ops.
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chunk.fill(1);
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seq_buf.Push(chunk);
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chunk.fill(0);
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constexpr int required_push_ops = (S % N) ? S / N + 1 : S / N;
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for (int i = 0; i < required_push_ops - 1; ++i) {
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SCOPED_TRACE(i);
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seq_buf.Push(chunk);
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// Still in the buffer.
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const auto* m = std::max_element(seq_buf_view.begin(), seq_buf_view.end());
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EXPECT_EQ(1, *m);
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}
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// Gone after another push.
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seq_buf.Push(chunk);
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const auto* m = std::max_element(seq_buf_view.begin(), seq_buf_view.end());
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EXPECT_EQ(0, *m);
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// Check that the last item moves left by N positions after a push op.
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if (S > N) {
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// Fill in with non-zero values.
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for (int i = 0; i < N; ++i)
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chunk[i] = static_cast<T>(i + 1);
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seq_buf.Push(chunk);
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// With the next Push(), `last` will be moved left by N positions.
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const T last = chunk[N - 1];
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for (int i = 0; i < N; ++i)
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chunk[i] = static_cast<T>(last + i + 1);
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seq_buf.Push(chunk);
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EXPECT_EQ(last, seq_buf_view[S - N - 1]);
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}
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}
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TEST(RnnVadTest, SequenceBufferGetters) {
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constexpr int buffer_size = 8;
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constexpr int chunk_size = 8;
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SequenceBuffer<int, buffer_size, chunk_size> seq_buf;
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EXPECT_EQ(buffer_size, seq_buf.size());
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EXPECT_EQ(chunk_size, seq_buf.chunks_size());
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// Test view.
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auto seq_buf_view = seq_buf.GetBufferView();
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EXPECT_EQ(0, seq_buf_view[0]);
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EXPECT_EQ(0, seq_buf_view[seq_buf_view.size() - 1]);
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constexpr std::array<int, chunk_size> chunk = {10, 20, 30, 40,
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50, 60, 70, 80};
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seq_buf.Push(chunk);
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EXPECT_EQ(10, *seq_buf_view.begin());
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EXPECT_EQ(80, *(seq_buf_view.end() - 1));
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}
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TEST(RnnVadTest, SequenceBufferPushOpsUnsigned) {
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TestSequenceBufferPushOp<uint8_t, 32, 8>(); // Chunk size: 25%.
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TestSequenceBufferPushOp<uint8_t, 32, 16>(); // Chunk size: 50%.
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TestSequenceBufferPushOp<uint8_t, 32, 32>(); // Chunk size: 100%.
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TestSequenceBufferPushOp<uint8_t, 23, 7>(); // Non-integer ratio.
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}
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TEST(RnnVadTest, SequenceBufferPushOpsSigned) {
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TestSequenceBufferPushOp<int, 32, 8>(); // Chunk size: 25%.
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TestSequenceBufferPushOp<int, 32, 16>(); // Chunk size: 50%.
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TestSequenceBufferPushOp<int, 32, 32>(); // Chunk size: 100%.
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TestSequenceBufferPushOp<int, 23, 7>(); // Non-integer ratio.
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}
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TEST(RnnVadTest, SequenceBufferPushOpsFloating) {
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TestSequenceBufferPushOp<float, 32, 8>(); // Chunk size: 25%.
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TestSequenceBufferPushOp<float, 32, 16>(); // Chunk size: 50%.
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TestSequenceBufferPushOp<float, 32, 32>(); // Chunk size: 100%.
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TestSequenceBufferPushOp<float, 23, 7>(); // Non-integer ratio.
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}
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} // namespace
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} // namespace rnn_vad
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} // namespace webrtc
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