mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 05:40:42 +01:00
6c2ac2ea6b
(-Wdeprecated-anon-enum-enum-conversion) - Replace enum with constexpr if necessary. - Merge multiple definitions for H.264 NalDefs and FuDefs and apply constexpr. Bug: chromium:1284275 Change-Id: I4a4d95ed6aba258e7c19c3ae6251c8b78caf84ec Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/276561 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Auto-Submit: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com> Cr-Commit-Position: refs/heads/main@{#38215}
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2013 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.
|
|
*/
|
|
|
|
// Modified from the Chromium original here:
|
|
// src/media/base/sinc_resampler_unittest.cc
|
|
|
|
#ifndef COMMON_AUDIO_RESAMPLER_SINUSOIDAL_LINEAR_CHIRP_SOURCE_H_
|
|
#define COMMON_AUDIO_RESAMPLER_SINUSOIDAL_LINEAR_CHIRP_SOURCE_H_
|
|
|
|
#include "common_audio/resampler/sinc_resampler.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Fake audio source for testing the resampler. Generates a sinusoidal linear
|
|
// chirp (http://en.wikipedia.org/wiki/Chirp) which can be tuned to stress the
|
|
// resampler for the specific sample rate conversion being used.
|
|
class SinusoidalLinearChirpSource : public SincResamplerCallback {
|
|
public:
|
|
// `delay_samples` can be used to insert a fractional sample delay into the
|
|
// source. It will produce zeros until non-negative time is reached.
|
|
SinusoidalLinearChirpSource(int sample_rate,
|
|
size_t samples,
|
|
double max_frequency,
|
|
double delay_samples);
|
|
|
|
~SinusoidalLinearChirpSource() override {}
|
|
|
|
SinusoidalLinearChirpSource(const SinusoidalLinearChirpSource&) = delete;
|
|
SinusoidalLinearChirpSource& operator=(const SinusoidalLinearChirpSource&) =
|
|
delete;
|
|
|
|
void Run(size_t frames, float* destination) override;
|
|
|
|
double Frequency(size_t position);
|
|
|
|
private:
|
|
static constexpr int kMinFrequency = 5;
|
|
|
|
int sample_rate_;
|
|
size_t total_samples_;
|
|
double max_frequency_;
|
|
double k_;
|
|
size_t current_index_;
|
|
double delay_samples_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // COMMON_AUDIO_RESAMPLER_SINUSOIDAL_LINEAR_CHIRP_SOURCE_H_
|