using System;

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

using System.Threading.Tasks;

using Microsoft.AspNetCore.Http;

using Microsoft.AspNetCore.Mvc;

​

​

public class AudioController : ControllerBase

{

​

    public const string ValidationRegex = @"^[a-zA-Z0-9\-\._,|]{0,40}$";

    /// <summary>

    /// Initializes a new instance of the <see cref="AudioController"/> class.

    /// </summary>

    /// <param name="audioHelper">Instance of <see cref="AudioHelper"/>.</param>

    public AudioController()

    {

    }

​

    [HttpGet("{itemId}/stream", Name = "GetAudioStream")]

    [HttpHead("{itemId}/stream", Name = "HeadAudioStream")]

    [ProducesResponseType(StatusCodes.Status200OK)]

    public ActionResult GetAudioStream(

        [FromQuery] [RegularExpression(ValidationRegex)] string? container,

        [FromQuery] bool? @static,

        [FromQuery] [RegularExpression(ValidationRegex)] string? segmentContainer,

        [FromQuery] int? segmentLength,

        [FromQuery] string? mediaSourceId,

        [FromQuery] string? deviceId,

        [FromQuery] [RegularExpression(ValidationRegex)] string? audioCodec)

    {

        if (container.Length == 5)

        {

            return NotFound();

        }

        return Ok();

    }

}

​

public class Program

{

    public static void Main()

    {

    }

}