[Live-devel] Save video stream to MP4 file, audio play normal, video play slow

[Ross Finlayson]

> I use live555 to record a mediastream by following command:
> 
> testProgs/openRTSP.exe -d 10 -4 rtsp://192.168.1.174:5544 >live555.mp4
> 
> But when mp4 file is created, the video is much more slow than audio

The problem here is that you must specify the video frame rate - and the video width & height - on the "openRTSP" command line, using the -f, -w and -h options.  Unfortunately the "mp4" file format (which is rather ill-designed for recording a live stream like this) requires that these parameters be specified in advance.

See http://www.live555.com/openRTSP/#quicktime


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/

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