How to change framerate dynamically

[Stefan Kost]

On 07/04/11 13:12, fb8fb8 at gmail.com wrote:
> Hi,
>  
> I can use gstreamer to stream a mpg video from one Linux PC to another.
> The framerate of the video can be changed by this command:
>  
> gst-launch filesrc "location= 1.MPG" ! decodebin ! videorate !
> video/x-raw-yuv, width=640,height=480,framerate=15/1 !
> ffmpegcolorspace ! jpegenc ! multipartmux ! tcpserversink
> host=192.168.2.1 port=5000
> In this command, framerate is set to be 15. The video is streamed at
> framerate 15 from beginning to end.
> But I want to change framerate dynamically, which means during the
> streaming I can change framerate anytime. After changing framerate,
> the video will continue but stream at the new framerate.

You can change the playback rate using the 'rate' fields on the seek event.

Stefan
>  
> How can I change framerate in this way?
> Thanks!
>
>
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