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AudioInput.cs
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// Copyright (c) TensorStack. All rights reserved.
// Licensed under the Apache 2.0 License.
using System.Threading;
using System.Threading.Tasks;
using TensorStack.Audio.Windows;
using TensorStack.Common.Tensor;
namespace TensorStack.Audio
{
/// <summary>
/// Class to handle processing of a audio from file.
/// </summary>
public class AudioInput : AudioInputBase
{
private string _sourceFile;
/// <summary>
/// Initializes a new instance of the <see cref="AudioInput"/> class.
/// </summary>
/// <param name="filename">The filename.</param>
public AudioInput(string filename, string audioCodec = "pcm_s16le", int sampleRate = 16000, int channels = 1)
: this(filename, AudioManager.LoadTensor(filename, audioCodec, sampleRate, channels)) { }
/// <summary>
/// Initializes a new instance of the <see cref="AudioInput"/> class.
/// </summary>
/// <param name="audioTensor">The audio tensor.</param>
public AudioInput(AudioTensor audioTensor)
: base(audioTensor) { }
/// <summary>
/// Initializes a new instance of the <see cref="AudioInput"/> class.
/// </summary>
/// <param name="filename">The filename.</param>
/// <param name="audioTensor">The audio tensor.</param>
protected AudioInput(string filename, AudioTensor audioTensor)
: base(audioTensor)
{
_sourceFile = filename;
}
/// <summary>
/// Gets the source audio filename.
/// </summary>
public override string SourceFile => _sourceFile;
/// <summary>
/// Save the Audio to file
/// </summary>
/// <param name="filename">The filename.</param>
public override void Save(string filename)
{
if (string.IsNullOrEmpty(_sourceFile))
_sourceFile = filename;
AudioManager.SaveAudio(filename, this);
}
/// <summary>
/// Save the Audio to file asynchronously
/// </summary>
/// <param name="filename">The filename.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public override async Task SaveAsync(string filename, CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(_sourceFile))
_sourceFile = filename;
await AudioManager.SaveAudioAync(filename, this, cancellationToken);
}
/// <summary>
/// Create a AudioInput asynchronously
/// </summary>
/// <param name="filename">The filename.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public static async Task<AudioInput> CreateAsync(string filename, string audioCodec = "pcm_s16le", int sampleRate = 16000, int channels = 1, CancellationToken cancellationToken = default)
{
return new AudioInput(filename, await AudioManager.LoadTensorAsync(filename, audioCodec, sampleRate, channels, cancellationToken));
}
}
}