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72 lines
2.2 KiB
72 lines
2.2 KiB
// SPDX-License-Identifier: AGPL-3.0-only
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/**
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* Digital Voice Modem - Audio Bridge
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* AGPLv3 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Audio Bridge
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* @license AGPLv3 License (https://opensource.org/licenses/AGPL-3.0)
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*
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* Copyright (C) 2023 Bryan Biedenkapp, N2PLL
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*
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*/
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using NAudio.Wave;
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namespace dvmconsole
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{
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/// <summary>
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///
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/// </summary>
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public class SampleTimeConvert
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{
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/*
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** Methods
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*/
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/// <summary>
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/// (ms) to sample count conversion
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/// </summary>
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/// <param name="format">Wave format</param>
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/// <param name="ms">Number of milliseconds</param>
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/// <returns>Number of samples</returns>
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public static int ToSamples(WaveFormat format, int ms)
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{
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return (int)(((long)ms) * format.SampleRate * format.Channels / 1000);
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}
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/// <summary>
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/// Sample count to (ms) conversion
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/// </summary>
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/// <param name="format">Wave format</param>
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/// <param name="samples">Number of samples</param>
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/// <returns>Number of milliseconds</returns>
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public static int ToMS(WaveFormat format, int samples)
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{
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return (int)(((float)samples / (float)format.SampleRate / (float)format.Channels) * 1000);
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}
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/// <summary>
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/// samples to bytes conversion
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/// </summary>
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/// <param name="format">Wave format</param>
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/// <param name="samples">Number of samples</param>
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/// <returns>Number of bytes for the number of samples</returns>
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public static int ToBytes(WaveFormat format, int samples)
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{
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return samples * (format.BitsPerSample / 8);
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}
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/// <summary>
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/// (ms) to bytes conversion
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/// </summary>
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/// <param name="format">Wave format</param>
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/// <param name="ms">Number of milliseconds</param>
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/// <returns>Number of bytes for the amount of audio in (ms)</returns>
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public static int MSToSampleBytes(WaveFormat format, int ms)
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{
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return ToBytes(format, ToSamples(format, ms));
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}
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} // public class SampleTimeConvert
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} // namespace dvmconsole
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