You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.3 KiB
72 lines
2.3 KiB
// SPDX-License-Identifier: AGPL-3.0-only
|
|
/**
|
|
* Digital Voice Modem - Audio Bridge
|
|
* AGPLv3 Open Source. Use is subject to license terms.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* @package DVM / Audio Bridge
|
|
* @license AGPLv3 License (https://opensource.org/licenses/AGPL-3.0)
|
|
*
|
|
* Copyright (C) 2023 Bryan Biedenkapp, N2PLL
|
|
*
|
|
*/
|
|
using System;
|
|
|
|
using NAudio.Wave;
|
|
|
|
namespace WhackerLinkConsoleV2
|
|
{
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
public class SampleTimeConvert
|
|
{
|
|
/*
|
|
** Methods
|
|
*/
|
|
|
|
/// <summary>
|
|
/// (ms) to sample count conversion
|
|
/// </summary>
|
|
/// <param name="format">Wave format</param>
|
|
/// <param name="ms">Number of milliseconds</param>
|
|
/// <returns>Number of samples</returns>
|
|
public static int ToSamples(WaveFormat format, int ms)
|
|
{
|
|
return (int)(((long)ms) * format.SampleRate * format.Channels / 1000);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sample count to (ms) conversion
|
|
/// </summary>
|
|
/// <param name="format">Wave format</param>
|
|
/// <param name="samples">Number of samples</param>
|
|
/// <returns>Number of milliseconds</returns>
|
|
public static int ToMS(WaveFormat format, int samples)
|
|
{
|
|
return (int)(((float)samples / (float)format.SampleRate / (float)format.Channels) * 1000);
|
|
}
|
|
|
|
/// <summary>
|
|
/// samples to bytes conversion
|
|
/// </summary>
|
|
/// <param name="format">Wave format</param>
|
|
/// <param name="samples">Number of samples</param>
|
|
/// <returns>Number of bytes for the number of samples</returns>
|
|
public static int ToBytes(WaveFormat format, int samples)
|
|
{
|
|
return samples * (format.BitsPerSample / 8);
|
|
}
|
|
|
|
/// <summary>
|
|
/// (ms) to bytes conversion
|
|
/// </summary>
|
|
/// <param name="format">Wave format</param>
|
|
/// <param name="ms">Number of milliseconds</param>
|
|
/// <returns>Number of bytes for the amount of audio in (ms)</returns>
|
|
public static int MSToSampleBytes(WaveFormat format, int ms)
|
|
{
|
|
return ToBytes(format, ToSamples(format, ms));
|
|
}
|
|
} // public class SamplesToMS
|
|
} // namespace dvmbridge |