mms:// is streaming protocol and, thus, media session is not necessarily backed by a file. For instance, it could be a live source of video/audio too. On your end you receive this stream of data and what you can do is to re-multitplex the data into a file.
Windows Media APIs let you write incoming data into a file. For example you could be using DirectShow WM ASF Writer filter to do this (if your question refers to programmatic action, or otherwise you asked at wrong site).
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mms://是流协议，因此媒体会话不一定由文件支持。例如，它也可以是视频/音频的实时源。在您端，您收到此数据流，您可以做的是将数据重新复用到文件中。Windows MediaAPI 可让您写入传入数据到一个文件中。例如，您可以使用 DirectShow WM ASF Writer 过滤器来执行此操作（如果您的问题涉及编程操作，或者您在错误的站点询问）。mms://is streaming protocol and, thus, media session is not necessarily backed by a file. For instance, it could be a live source of video/audio too. On your end you receive this stream of data and what you can do is to re-multitplex the data into a file.Windows MediaAPIs let you write incoming data into a file. For example you could be using DirectShow WM ASF Writer filter to do this (if your question refers to programmatic action, or otherwise you asked at wrong site).我找到了一个方法可以解决这个问题，使用vlc。
请参阅
链接
简单地说（我的方式）：
媒体->转换/保存
网络选项卡，输入 mms:url，按转换/保存
使用原始输入
输入本地文件的文件名
按保存
更多链接：
http://sudofixit.blogspot.com/2013/07/guide-downloading-mmsrtsphttpetc.html
http://www.downloadatoz.com/howto/how-to-record-streaming-wmv-asf-mms-links-using-vlc-media-player,2657.html
I find a way can handle this,use vlc.
refer to
link
briefly speaking(my way):
Media -> Convert/Save
Network tab, enter mms:url, press Convert/Save
use raw input
Enter file name for local file
Press Save
more links:
http://sudofixit.blogspot.com/2013/07/guide-downloading-mmsrtsphttpetc.html
http://www.downloadatoz.com/howto/how-to-record-streaming-wmv-asf-mms-links-using-vlc-media-player,2657.html