[gst-devel] GStreamer lip sync issues with Wowza.

[Florent]

hi

> gst-launch-0.10 -v v4l2src device=/dev/video1 ! "video/x-raw-yuv,
> format=(fourcc)YUY2, width=(int)640, height=(int)480,
> framerate=(fraction)30/1" ! queue ! videorate ! "video/x-raw-yuv,
> format=(fourcc)YUY2, width=(int)640, height=(int)480,
> framerate=(fraction)25/1" ! queue ! ffmpegcolorspace ! "video/x-raw-yuv,
> format=(fourcc)I420, framerate=(fraction)25/1, width=(int)640,
> height=(int)480" ! queue ! x264enc bitrate=500 ! queue ! rtph264pay !
> queue ! udpsink host=192.168.0.230 port=8000 sync=true alsasrc !
> "audio/x-raw-int, endianness=(int)1234, signed=(boolean)true,
> width=(int)16, depth=(int)16, rate=(int)48000, channels=(int)2" ! queue
> ! faac ! queue ! rtpmp4gpay ! udpsink host=192.168.0.230 port=8002 sync=true
>
> I'm not exactly sure about the problem but the final stream (after going
> thought Wowza) have a lip sync delay of about half a second.
>
> I don't know if a problem on my pipeline or is a Wowza problem. Do you
> know if there is any kind of incompatibility between GStreamer and Wowza?

There is not. Maybe your sdp file does not use a 48000 hz rate ?

Florent