C# Youtube Video İndirme Programı
Merhaba arkadaşlar uzun süredir araştırdığım bir programdı ve buldum sizlerle paylaşmak istedim codeproject lisanslı bu youtube video indirme programı C# 6.0 ile yazılmış olup tamamen ücretsiz olarak dağıtılmaktadır....
Kurulumu kod kısmına gelecek olursak
Video Tanımlama Kısmı
public class YouTubeVideoQuality
{
/// <summary>
/// Gets or Sets the file name /// </summary>
public string VideoTitle { get; set; }
/// <summary>
/// Gets or Sets the file extention /// </summary>
public string Extention { get; set; }
/// <summary>
/// Gets or Sets the file url /// </summary>
public string DownloadUrl { get; set; }
/// <summary>
/// Gets or Sets the youtube video url /// </summary>
public string VideoUrl { get; set; }
/// <summary>
/// Gets or Sets the youtube video size /// </summary>
public long VideoSize { get; set; }
/// <summary>
/// Gets or Sets the youtube video dimension /// </summary>
public Size Dimension { get; set; }
/// <summary>
/// Gets the youtube video length /// </summary>
public long Length { get; set; }
public override string ToString()
{
string videoExtention = this.Extention;
string videoDimension = formatSize(this.Dimension);
string videoSize = String.Format
(new FileSizeFormatProvider(), "{0:fs}", this.VideoSize);
return String.Format
("{0} ({1}) - {2}", videoExtention.ToUpper(), videoDimension, videoSize);
}
private string formatSize(Size value)
{
string s = value.Height >= 720 ? " HD" : "";
return ((Size)value).Width + " x " + value.Height + s;
}
}
Video İndirme Kısmı
public static class YouTubeDownloader
{
public static List<YouTubeVideoQuality> GetYouTubeVideoUrls(string VideoUrl)
{
var list = new List<YouTubeVideoQuality>();
var id = YouTubeDownloader.GetVideoIDFromUrl(VideoUrl);
var infoUrl = string.Format
("http://www.youtube.com/get_video_info?&video_id= {0}&el=detailpage&ps=default&eurl=&gl=US&hl=en", id);
var infoText = new WebClient().DownloadString(infoUrl);
var infoValues = HttpUtility.ParseQueryString(infoText);
var title = infoValues["title"];
var videoDuration = infoValues["length_seconds"];
var videos = infoValues["url_encoded_fmt_stream_map"].Split(',');
foreach (var item in videos)
{
try
{
var data = HttpUtility.ParseQueryString(item);
var server = Uri.UnescapeDataString(data["fallback_host"]);
var url = Uri.UnescapeDataString(data["url"]) +
"&fallback_host=" + server;
var size = getSize(url);
var videoItem = new YouTubeVideoQuality();
videoItem.DownloadUrl = url;
videoItem.VideoSize = size;
videoItem.VideoTitle = title;
var tagInfo = new ITagInfo(Uri.UnescapeDataString(data["itag"]));
videoItem.Dimension = tagInfo.VideoDimensions;
videoItem.Extention = tagInfo.VideoExtentions;
videoItem.Length = long.Parse(videoDuration);
list.Add(videoItem);
}
catch { }
}
return list;
}
private static long getSize(string videoUrl)
{
HttpWebRequest fileInfoRequest = (HttpWebRequest)HttpWebRequest.Create(videoUrl);
fileInfoRequest.Proxy = Helper.InitialProxy();
HttpWebResponse fileInfoResponse = (HttpWebResponse)fileInfoRequest.GetResponse();
long bytesLength = fileInfoResponse.ContentLength;
fileInfoRequest.Abort();
return bytesLength;
}
/// <summary>
/// Get the ID of a youtube video from its URL /// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string GetVideoIDFromUrl(string url)
{
url = url.Substring(url.IndexOf("?") + 1);
char[] delimiters = { '&', '#' };
string[] props = url.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
string videoid = "";
foreach (string prop in props)
{
if (prop.StartsWith("v="))
{
videoid = prop.Substring(prop.IndexOf("v=") + 2);
}
}
return videoid;
}
}
Ve Video Bilgileri Yapı Biçimi Bu Kısım ıse
public struct ITagInfo
{
const string itagExtentions = "5=flv,6=flv,17=3gp,18=mp4,22=mp4,34=flv, 35=flv,36=3gp,37=mp4,38=mp4,43=webm,44=webm,45=webm,46=webm,82=3D.mp4,83=3D.mp4, 84=3D.mp4,85=3D.mp4,100=3D.webm,101=3D.webm,102=3D.webm,120=live.flv";
const string itagWideDimensions = "5=320x180,6=480x270,17=176x99,18=640x360, 22=1280x720,34=640x360,35=854x480,36=320x180,37=1920x1080,38=2048x1152,43=640x360, 44=854x480,45=1280x720,46=1920x1080,82=480x270,83=640x360,84=1280x720,85=1920x1080, 100=640x360,101=640x360,102=1280x720,120=1280x720";
const string itagDimensions = "5=320x240,6=480x360,17=176x144,18=640x480, 22=1280x960,34=640x480,35=854x640,36=320x240,37=1920x1440,38=2048x1536,43=640x480, 44=854x640,45=1280x960,46=1920x1440,82=480x360,83=640x480,84=1280x960,85=1920x1440, 100=640x480,101=640x480,102=1280x960,120=1280x960";
public ITagInfo(string iTag)
: this()
{
iTag = (iTag + "").Trim();
foreach (var item in itagExtentions.Split(','))
{
var nameValue = item.Split('=');
if (nameValue[0] != iTag) continue;
VideoExtentions = nameValue[1];
}
foreach (var item in itagWideDimensions.Split(','))
{
var nameValue = item.Split('=');
if (nameValue[0] != iTag) continue;
var widthAndHeight = nameValue[1].Split('x');
VideoDimensions = new Size(int.Parse(widthAndHeight[0]),
int.Parse(widthAndHeight[1]));
}
}
/// <summary>
/// Gets the Video Extentions that belong to itag /// </summary>
public string VideoExtentions { get; private set; }
/// <summary>
/// Gets the Video Dimensions that belong to itag /// </summary>
public Size VideoDimensions { get; private set; }
}
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