webrtc/modules/audio_processing/test/echo_canceller_test_tools.h
Steve Anton 10542f21c8 (4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries
Mechanically generated by running this command:

tools_webrtc/do-renames.sh update all-renames.txt && git cl format

Then manually updating:

tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833
Reviewed-on: https://webrtc-review.googlesource.com/c/115653
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26226}
2019-01-11 17:11:39 +00:00

44 lines
1.3 KiB
C++

/*
* Copyright (c) 2017 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 MODULES_AUDIO_PROCESSING_TEST_ECHO_CANCELLER_TEST_TOOLS_H_
#define MODULES_AUDIO_PROCESSING_TEST_ECHO_CANCELLER_TEST_TOOLS_H_
#include <algorithm>
#include <vector>
#include "api/array_view.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/random.h"
namespace webrtc {
// Randomizes the elements in a vector with values -32767.f:32767.f.
void RandomizeSampleVector(Random* random_generator, rtc::ArrayView<float> v);
// Class for delaying a signal a fixed number of samples.
template <typename T>
class DelayBuffer {
public:
explicit DelayBuffer(size_t delay) : buffer_(delay) {}
~DelayBuffer() = default;
// Produces a delayed signal copy of x.
void Delay(rtc::ArrayView<const T> x, rtc::ArrayView<T> x_delayed);
private:
std::vector<T> buffer_;
size_t next_insert_index_ = 0;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(DelayBuffer);
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_TEST_ECHO_CANCELLER_TEST_TOOLS_H_