decodebin - static linking of decoder and sink

Ash 20001 ash20001 at
Thu Apr 28 17:45:23 UTC 2016

Hi Sebastian,Thank you so much for your help, using the capssetter and specifying max_width, max_height worked to build a static pipeline without decodebin, however as you pointed out earlier I still have the same problem. I have to submit a 2nd frame before anything outputs on the screen. So I am back to square one :).

Subject: Re: decodebin - static linking of decoder and sink
From: sebastian at
To: gstreamer-devel at
Date: Thu, 28 Apr 2016 09:49:50 +0300

On Mi, 2016-04-27 at 23:42 -0700, Ash 20001 wrote:
> Is there an easy way I can fix this? Just add maxwidth/maxheight to
> the caps?
> How does decodebin do it?
The capsfilter between parser and decoder in decodebin apparently does
it, but it's wrong that it does :) It should also fail in decodebin.
You can work around that with a capssetter element, but it would be
better to just get this fixed in the decoder.
Sebastian Dröge, Centricular Ltd ·

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