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Unified Diff: webrtc/common_audio/blocker_unittest.cc

Issue 1846903004: Moved ring-buffer related files from common_audio to audio_processing (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebase Created 4 years, 8 months ago
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Index: webrtc/common_audio/blocker_unittest.cc
diff --git a/webrtc/common_audio/blocker_unittest.cc b/webrtc/common_audio/blocker_unittest.cc
deleted file mode 100644
index eea3e2516a08db71bbc1760975b4b5ffb7b9a307..0000000000000000000000000000000000000000
--- a/webrtc/common_audio/blocker_unittest.cc
+++ /dev/null
@@ -1,345 +0,0 @@
-/*
- * 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.
- */
-
-#include <memory>
-
-#include "webrtc/common_audio/blocker.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/base/arraysize.h"
-
-namespace {
-
-// Callback Function to add 3 to every sample in the signal.
-class PlusThreeBlockerCallback : public webrtc::BlockerCallback {
- public:
- void ProcessBlock(const float* const* input,
- size_t num_frames,
- size_t num_input_channels,
- size_t num_output_channels,
- float* const* output) override {
- for (size_t i = 0; i < num_output_channels; ++i) {
- for (size_t j = 0; j < num_frames; ++j) {
- output[i][j] = input[i][j] + 3;
- }
- }
- }
-};
-
-// No-op Callback Function.
-class CopyBlockerCallback : public webrtc::BlockerCallback {
- public:
- void ProcessBlock(const float* const* input,
- size_t num_frames,
- size_t num_input_channels,
- size_t num_output_channels,
- float* const* output) override {
- for (size_t i = 0; i < num_output_channels; ++i) {
- for (size_t j = 0; j < num_frames; ++j) {
- output[i][j] = input[i][j];
- }
- }
- }
-};
-
-} // namespace
-
-namespace webrtc {
-
-// Tests blocking with a window that multiplies the signal by 2, a callback
-// that adds 3 to each sample in the signal, and different combinations of chunk
-// size, block size, and shift amount.
-class BlockerTest : public ::testing::Test {
- protected:
- void RunTest(Blocker* blocker,
- size_t chunk_size,
- size_t num_frames,
- const float* const* input,
- float* const* input_chunk,
- float* const* output,
- float* const* output_chunk,
- size_t num_input_channels,
- size_t num_output_channels) {
- size_t start = 0;
- size_t end = chunk_size - 1;
- while (end < num_frames) {
- CopyTo(input_chunk, 0, start, num_input_channels, chunk_size, input);
- blocker->ProcessChunk(input_chunk,
- chunk_size,
- num_input_channels,
- num_output_channels,
- output_chunk);
- CopyTo(output, start, 0, num_output_channels, chunk_size, output_chunk);
-
- start += chunk_size;
- end += chunk_size;
- }
- }
-
- void ValidateSignalEquality(const float* const* expected,
- const float* const* actual,
- size_t num_channels,
- size_t num_frames) {
- for (size_t i = 0; i < num_channels; ++i) {
- for (size_t j = 0; j < num_frames; ++j) {
- EXPECT_FLOAT_EQ(expected[i][j], actual[i][j]);
- }
- }
- }
-
- void ValidateInitialDelay(const float* const* output,
- size_t num_channels,
- size_t num_frames,
- size_t initial_delay) {
- for (size_t i = 0; i < num_channels; ++i) {
- for (size_t j = 0; j < num_frames; ++j) {
- if (j < initial_delay) {
- EXPECT_FLOAT_EQ(output[i][j], 0.f);
- } else {
- EXPECT_GT(output[i][j], 0.f);
- }
- }
- }
- }
-
- static void CopyTo(float* const* dst,
- size_t start_index_dst,
- size_t start_index_src,
- size_t num_channels,
- size_t num_frames,
- const float* const* src) {
- for (size_t i = 0; i < num_channels; ++i) {
- memcpy(&dst[i][start_index_dst],
- &src[i][start_index_src],
- num_frames * sizeof(float));
- }
- }
-};
-
-TEST_F(BlockerTest, TestBlockerMutuallyPrimeChunkandBlockSize) {
- const size_t kNumInputChannels = 3;
- const size_t kNumOutputChannels = 2;
- const size_t kNumFrames = 10;
- const size_t kBlockSize = 4;
- const size_t kChunkSize = 5;
- const size_t kShiftAmount = 2;
-
- const float kInput[kNumInputChannels][kNumFrames] = {
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
- {2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
- {3, 3, 3, 3, 3, 3, 3, 3, 3, 3}};
- ChannelBuffer<float> input_cb(kNumFrames, kNumInputChannels);
- input_cb.SetDataForTesting(kInput[0], sizeof(kInput) / sizeof(**kInput));
-
- const float kExpectedOutput[kNumInputChannels][kNumFrames] = {
- {6, 6, 12, 20, 20, 20, 20, 20, 20, 20},
- {6, 6, 12, 28, 28, 28, 28, 28, 28, 28}};
- ChannelBuffer<float> expected_output_cb(kNumFrames, kNumInputChannels);
- expected_output_cb.SetDataForTesting(
- kExpectedOutput[0], sizeof(kExpectedOutput) / sizeof(**kExpectedOutput));
-
- const float kWindow[kBlockSize] = {2.f, 2.f, 2.f, 2.f};
-
- ChannelBuffer<float> actual_output_cb(kNumFrames, kNumOutputChannels);
- ChannelBuffer<float> input_chunk_cb(kChunkSize, kNumInputChannels);
- ChannelBuffer<float> output_chunk_cb(kChunkSize, kNumOutputChannels);
-
- PlusThreeBlockerCallback callback;
- Blocker blocker(kChunkSize,
- kBlockSize,
- kNumInputChannels,
- kNumOutputChannels,
- kWindow,
- kShiftAmount,
- &callback);
-
- RunTest(&blocker,
- kChunkSize,
- kNumFrames,
- input_cb.channels(),
- input_chunk_cb.channels(),
- actual_output_cb.channels(),
- output_chunk_cb.channels(),
- kNumInputChannels,
- kNumOutputChannels);
-
- ValidateSignalEquality(expected_output_cb.channels(),
- actual_output_cb.channels(),
- kNumOutputChannels,
- kNumFrames);
-}
-
-TEST_F(BlockerTest, TestBlockerMutuallyPrimeShiftAndBlockSize) {
- const size_t kNumInputChannels = 3;
- const size_t kNumOutputChannels = 2;
- const size_t kNumFrames = 12;
- const size_t kBlockSize = 4;
- const size_t kChunkSize = 6;
- const size_t kShiftAmount = 3;
-
- const float kInput[kNumInputChannels][kNumFrames] = {
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
- {2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
- {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}};
- ChannelBuffer<float> input_cb(kNumFrames, kNumInputChannels);
- input_cb.SetDataForTesting(kInput[0], sizeof(kInput) / sizeof(**kInput));
-
- const float kExpectedOutput[kNumOutputChannels][kNumFrames] = {
- {6, 10, 10, 20, 10, 10, 20, 10, 10, 20, 10, 10},
- {6, 14, 14, 28, 14, 14, 28, 14, 14, 28, 14, 14}};
- ChannelBuffer<float> expected_output_cb(kNumFrames, kNumOutputChannels);
- expected_output_cb.SetDataForTesting(
- kExpectedOutput[0], sizeof(kExpectedOutput) / sizeof(**kExpectedOutput));
-
- const float kWindow[kBlockSize] = {2.f, 2.f, 2.f, 2.f};
-
- ChannelBuffer<float> actual_output_cb(kNumFrames, kNumOutputChannels);
- ChannelBuffer<float> input_chunk_cb(kChunkSize, kNumInputChannels);
- ChannelBuffer<float> output_chunk_cb(kChunkSize, kNumOutputChannels);
-
- PlusThreeBlockerCallback callback;
- Blocker blocker(kChunkSize,
- kBlockSize,
- kNumInputChannels,
- kNumOutputChannels,
- kWindow,
- kShiftAmount,
- &callback);
-
- RunTest(&blocker,
- kChunkSize,
- kNumFrames,
- input_cb.channels(),
- input_chunk_cb.channels(),
- actual_output_cb.channels(),
- output_chunk_cb.channels(),
- kNumInputChannels,
- kNumOutputChannels);
-
- ValidateSignalEquality(expected_output_cb.channels(),
- actual_output_cb.channels(),
- kNumOutputChannels,
- kNumFrames);
-}
-
-TEST_F(BlockerTest, TestBlockerNoOverlap) {
- const size_t kNumInputChannels = 3;
- const size_t kNumOutputChannels = 2;
- const size_t kNumFrames = 12;
- const size_t kBlockSize = 4;
- const size_t kChunkSize = 4;
- const size_t kShiftAmount = 4;
-
- const float kInput[kNumInputChannels][kNumFrames] = {
- {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
- {2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
- {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}};
- ChannelBuffer<float> input_cb(kNumFrames, kNumInputChannels);
- input_cb.SetDataForTesting(kInput[0], sizeof(kInput) / sizeof(**kInput));
-
- const float kExpectedOutput[kNumOutputChannels][kNumFrames] = {
- {10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
- {14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14}};
- ChannelBuffer<float> expected_output_cb(kNumFrames, kNumOutputChannels);
- expected_output_cb.SetDataForTesting(
- kExpectedOutput[0], sizeof(kExpectedOutput) / sizeof(**kExpectedOutput));
-
- const float kWindow[kBlockSize] = {2.f, 2.f, 2.f, 2.f};
-
- ChannelBuffer<float> actual_output_cb(kNumFrames, kNumOutputChannels);
- ChannelBuffer<float> input_chunk_cb(kChunkSize, kNumInputChannels);
- ChannelBuffer<float> output_chunk_cb(kChunkSize, kNumOutputChannels);
-
- PlusThreeBlockerCallback callback;
- Blocker blocker(kChunkSize,
- kBlockSize,
- kNumInputChannels,
- kNumOutputChannels,
- kWindow,
- kShiftAmount,
- &callback);
-
- RunTest(&blocker,
- kChunkSize,
- kNumFrames,
- input_cb.channels(),
- input_chunk_cb.channels(),
- actual_output_cb.channels(),
- output_chunk_cb.channels(),
- kNumInputChannels,
- kNumOutputChannels);
-
- ValidateSignalEquality(expected_output_cb.channels(),
- actual_output_cb.channels(),
- kNumOutputChannels,
- kNumFrames);
-}
-
-TEST_F(BlockerTest, InitialDelaysAreMinimum) {
- const size_t kNumInputChannels = 3;
- const size_t kNumOutputChannels = 2;
- const size_t kNumFrames = 1280;
- const size_t kChunkSize[] =
- {80, 80, 80, 80, 80, 80, 160, 160, 160, 160, 160, 160};
- const size_t kBlockSize[] =
- {64, 64, 64, 128, 128, 128, 128, 128, 128, 256, 256, 256};
- const size_t kShiftAmount[] =
- {16, 32, 64, 32, 64, 128, 32, 64, 128, 64, 128, 256};
- const size_t kInitialDelay[] =
- {48, 48, 48, 112, 112, 112, 96, 96, 96, 224, 224, 224};
-
- float input[kNumInputChannels][kNumFrames];
- for (size_t i = 0; i < kNumInputChannels; ++i) {
- for (size_t j = 0; j < kNumFrames; ++j) {
- input[i][j] = i + 1;
- }
- }
- ChannelBuffer<float> input_cb(kNumFrames, kNumInputChannels);
- input_cb.SetDataForTesting(input[0], sizeof(input) / sizeof(**input));
-
- ChannelBuffer<float> output_cb(kNumFrames, kNumOutputChannels);
-
- CopyBlockerCallback callback;
-
- for (size_t i = 0; i < arraysize(kChunkSize); ++i) {
- std::unique_ptr<float[]> window(new float[kBlockSize[i]]);
- for (size_t j = 0; j < kBlockSize[i]; ++j) {
- window[j] = 1.f;
- }
-
- ChannelBuffer<float> input_chunk_cb(kChunkSize[i], kNumInputChannels);
- ChannelBuffer<float> output_chunk_cb(kChunkSize[i], kNumOutputChannels);
-
- Blocker blocker(kChunkSize[i],
- kBlockSize[i],
- kNumInputChannels,
- kNumOutputChannels,
- window.get(),
- kShiftAmount[i],
- &callback);
-
- RunTest(&blocker,
- kChunkSize[i],
- kNumFrames,
- input_cb.channels(),
- input_chunk_cb.channels(),
- output_cb.channels(),
- output_chunk_cb.channels(),
- kNumInputChannels,
- kNumOutputChannels);
-
- ValidateInitialDelay(output_cb.channels(),
- kNumOutputChannels,
- kNumFrames,
- kInitialDelay[i]);
- }
-}
-
-} // namespace webrtc
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