ffdec_h264 problem on windows

[Mailing List SVR]

I think the problem is in rtph264depay that doesn't work well on
windows, look at the following bug:

https://bugzilla.gnome.org/show_bug.cgi?id=633831

in you are on windows xp you should see a crash too, the crash is not
present on windows 7


Il giorno gio, 24/02/2011 alle 15.10 +0100, giorgio9 at libero.it ha
scritto: 
> Hi all,
>        I downloaded OSSBuild 0.10.6 using it under windows.
> I have in a Linux PC the following pipe
> 
> gst-launch -v gstrtpbin  v4l2src ! ! video/x-raw-yuv,width=320,height=240,
> framerate=15/1 ! videorate ! ffmpegcolorspace ! x264enc byte-stream=true 
> bitrate=128 ! rtph264pay pt=99 ! udpsink port=5000 host=192.168.100.194
> 
> In reception I use a java program using java-gstreamer 1.4 in order to decode 
> the stream and visualize it in swing videocomponent. In reception the pipe is 
> 
> gst-launch udpsrc caps=application/x-rtp,media=video,clock-rate=90000,
> encoding-
> name=H264 port=5000 ! rtph264depay ! ffdec_h264 ! ffmpegcolorspace ! 
> autovideosink 

instead of autovideosink try:

d3dvideosink sync=false

> 
> If I start first the java program and after the send pipe on linux the 
> program 
> works well although sometimes it crashes saying that there is a problem on 
> lib 
> avcodec. If I start the Linux pipe and after the java program, the video 
> isn't 
> fluent and in the console I can see 
> 
> 0:00:04.671875000  3680   033F3030 ERROR                 ffmpeg .:0:: non-
> existing PPS referenced
> 0:00:04.671875000  3680   033F3030 ERROR                 ffmpeg .:0:: non-
> existing PPS 0 referenced
> 0:00:04.671875000  3680   033F3030 ERROR                 ffmpeg .:0:: 
> decode_slice_header error
> 0:00:04.671875000  3680   033F3030 ERROR                 ffmpeg .:0:: no 
> frame!
> 0:00:04.687500000  3680   033F3030 ERROR                 ffmpeg .:0:: non-
> existing PPS referenced
> 0:00:04.687500000  3680   033F3030 ERROR                 ffmpeg .:0:: non-
> existing PPS 0 referenced
> 0:00:04.687500000  3680   033F3030 ERROR                 ffmpeg .:0:: 
> decode_slice_header error
> 

based on my experience you should see this error after a while in any
case and this will impact on the quality of the video you see


> 
> The same code instead works well without any problem under Linux, so the 
> problem is related to windows OSSBuild library. How I can solve it?

I think the problem is gstreamer on windows and not OSSBuild,

Nicola

> 
> 
> Thanks in advance and have a nice day
> G..
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