audio_utilities.cc | Explore in Territory

/*
 * Copyright (C) 2010, Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
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#include "third_party/blink/renderer/platform/audio/audio_utilities.h"

#include <sstream>

#include "base/notreached.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/fdlibm/ieee754.h"

namespace blink::audio_utilities {

float DecibelsToLinear(float decibels) { … }

float LinearToDecibels(float linear) { … }

double DiscreteTimeConstantForSampleRate(double time_constant,
                                         double sample_rate) { … }

size_t TimeToSampleFrame(double time,
                         double sample_rate,
                         enum SampleFrameRounding rounding_mode) { … }

base::TimeDelta FramesToTime(int64_t frames, float sample_rate) { … }

bool IsValidAudioBufferSampleRate(float sample_rate) { … }

float MinAudioBufferSampleRate() { … }

float MaxAudioBufferSampleRate() { … }

const std::string GetSinkIdForTracing(
    blink::WebAudioSinkDescriptor sink_descriptor) { … }

const std::string GetSinkInfoForTracing(
    blink::WebAudioSinkDescriptor sink_descriptor,
    blink::WebAudioLatencyHint latency_hint,
    int channel_count,
    float sample_rate,
    int callback_buffer_size) { … }

const std::string GetDeviceEnumerationForTracing(
    const Vector<WebMediaDeviceInfo>& device_infos) { … }

}  // namespace blink::audio_utilities
chromium/third_party/blink/renderer/platform/audio/audio_utilities.cc
