Prioritize hardware decoder for playbin2

[Edward Hervey]

Hi,

  You really want to disable/remove that aiurdemux element. It's been a
source of problem for a long time on imx devices.

    Edward

On Mon, 2013-12-23 at 10:33 -0800, Plox wrote:
> Hello,
> 
> I have a problem similar to yours and would greatly appreciate your help on
> this matter.
> What I am trying to do is to play Mpeg2 and Mpeg4 transport streams embedded
> into a graphics surface in a Qt application.
> This works very well for most video formats using QtGstreamer and playbin2,
> but not for mpeg.
> Trying to play such a stream using play bin on the i.MX6 device returns the
> following error output:
> 
> root at nitrogen6x:~# gst-launch playbin2 uri=http://0.0.0.0:4242/bynumber/1
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> Aiur: 3.0.9  0%  
> Core: BLN_MAD-MMLAYER_MPG2PARSER_04.04.16  build on Aug 29 2013 05:34:52
>   mime: video/mpeg, mpegversion=(int)[1,2]; video/mpegts, systemstream=true;
> video/x-cdxa
>   file: /usr/lib/imx-mm/parser/lib_mpg2_parser_arm11_elinux.so.3.1
> Content Info:
> 	URI:
> 	      http://0.0.0.0:4242/bynumber/1
> 	Seekable  : No
> 	Size(byte): -1
> 
> Mpeg2CreateParser:parser created successfully
> ERROR: from element
> /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstAiurDemux:aiurdemux0:
> GStreamer encountered a general stream error.
> Additional debug info:
> aiurdemux.c(4393): aiurdemux_push_task ():
> /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstAiurDemux:aiurdemux0:
> streaming stopped, reason error
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> [--->FINALIZE aiurdemux
> Freeing pipeline ...
> 
> 
> The same stream works great using this pipeline:
> gst-launch souphttpsrc location=http://0.0.0.0:4242/bynumber/1 ! tsdemux !
> queue ! vpudec ! mpegvideoparse ! queue ! mfw_v4lsink
> 
> Why does playbin2 fail to play the specified file?
> Both vpudec and mpegvideoparse have a rank of PRIMARY +1 
> 
> 
> Thanks
> 
> 
> 
> --
> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Prioritize-hardware-decoder-for-playbin2-tp4658565p4664241.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com.
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