如何在C#中解析WMV文件的信息

问题描述

限时删除！！

我想获取ASF文件的信息，如比特率，元数据，语言...我已阅读ASF规范，并且知道ASF文件包含以下部分:标题对象，数据对象，索引对象.首先，我认为ASF文件的二进制文件，我尝试通过C#中的CLASS和FUNCTION来解决:FileStream，BinaryReader:

I want to get information of ASF file as bitrate, metadata, language...I have read ASF Specification and know a ASF file has parts : Header Object, Data Object, Index Object. At frist, I think ASF file''s binary file and i try to solve by CLASS and FUNCTION in C# as : FileStream, BinaryReader :

String path = @"E:\KhoaLuanTN\Streaming video server\video\encoder_ad.wmv";
            FileStream filer = File.OpenRead(path);
            BinaryReader br = new BinaryReader(filer);
            byte [] file = br.ReadBytes(100);

然后，我尝试转换为String:

Then, I try to convert into String :

<pre lang="midl">textBox1.Text = Encoding.ASCII.GetString ( file );

但是它没有显示出我所期望的.它显示了一个荒谬的字符串:0 amp;?u?f? ??.
因此，请向我展示如何将ASF文件中的信息转换为String.

But it doesn''t display as I expect. It displays a nonsensical string: 0&?u?f? ??.
So please show me how to convert information in a ASF file into String.

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