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如何在C#中将视频转换为字节数组?

作者:互联网

我正在使用c#.net紧凑框架3.5,我想将视频文件转换为字节数组,以便我可以将其上传到服务器上.

我以类似的方式进行图像上传,获得成功结果.

HttpWebRequest request; 
request.ContentType = "image/jpeg";
request.ContentLength = byteArray.Length;
request.Method = "PUT";

imageToByteArray(img).CopyTo(byteArray, 0);
using (Stream requestStream = request.GetRequestStream())
{
  requestStream.Write(byteArray, 0, (int)Fs.Length);
  requestStream.Flush();
  requestStream.Close();
}


public byte[] imageToByteArray(Image imageIn)
{
  MemoryStream ms = new MemoryStream();
  imageIn.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);
  return ms.ToArray();
}

如何为视频文件执行此操作?

解决方法:

您应该一次一个地复制流,而不是将整个文件读入数组.否则,您将使用可能非常大量的内存,因为视频文件可能会变得非常大.

例如:

HttpWebRequest request; 
request.Method = "PUT";

using(Stream requestStream = request.GetRequestStream())
using(Stream video = File.OpenRead("Path")) {
    byte[] buffer = new byte[4096];

    while(true) {
        int bytesRead = video.Read(buffer, 0, buffer.Length);

        if (bytesRead == 0) break;
        requestStream.Write(buffer, 0, bytesRead);
    }
}

标签:c,net,file-upload,compact-framework,windows-mobile
来源: https://codeday.me/bug/20190717/1485121.html