Problem with H.264 from non seekable sources

[Angel Martin]

Hi,

I would suggest you this pipeline:

gst-launch-0.10 souphttpsrc
location=http://developer.longtailvideo.com/trac/export/374/testing/files/bunny.mp4
! decodebin name=decode ! ffmpegcolorspace ! autovideosink decode. !
audioconvert ! audioresample ! autoaudiosink

2013/6/18 Giovanni Coriasco <giovanni.coriasco.ml at gmail.com>:
> Dear all,
> I have a strange problem while playing H.264 content from non seekable
> sources like souphttpsrc. I got the following error:
>
> gst-launch-0.10 souphttpsrc
> location=https://dl.dropboxusercontent.com/u/2480181/bigbuckbunny.mp4 !
> decodebin2 name=decode decode. ! autovideosink decode. ! autoaudiosink
>
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> ERROR: from element
> /GstPipeline:pipeline0/GstDecodeBin2:decode/GstH264Parse:h264parse0: No
> valid frames found before end of stream
> Additional debug info:
> gstbaseparse.c(1110): gst_base_parse_sink_eventfunc ():
> /GstPipeline:pipeline0/GstDecodeBin2:decode/GstH264Parse:h264parse0
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
> If I try to play the same content from local REGULAR file using for example
> filesrc, everything goes fine.
> But, if I use filesrc with a location pointing to a local named pipe (which
> is not seekable), I encounter the same error.
>
> I'm having the same exact problem with both Linux and Windows Gstreamer.
>
> Besides, if I try something like
>
> gst-launch-0.10 souphttpsrc
> location=https://dl.dropboxusercontent.com/u/2480181/bigbuckbunny.mp4 !
> filesink location=bigbuckbunny.mp4
>
> and then
>
> gst-launch-0.10 filesrc location=bigbuckbunny.mp4 ! decodebin2 name=decode
> decode. ! autovideosink decode. ! autoaudiosink
>
> then everything is played fine again.
>
> I also implemented my own gstreamer source and the only way to use that
> source in a pipeline like these is to implement it as seekable (but this is
> giving me a lot of implementation troubles I would like to avoid).
>
> Is there someone who can give me an idea on how to play that content coming
> from a NON seekable source?
>
> Thanks in advance
>
> Giovanni
>
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