Caps renegotiation with codec_data results in "not-negotiated"

[Sebastian Dröge]

On Tue, 2016-11-22 at 00:46 +0200, Graham Leggett wrote:
> On 21 Nov 2016, at 10:29 AM, Sebastian Dröge <sebastian at centricular.c
> om> wrote:
> 
> > The problem here seems to be that some element downstream of
> > omxh264enc
> > does not like the codec_data or buffers, and returns not-negotiated
> > instead. If you get a full log, you should find the reason for that
> > shortly above the very first mention of "not-negotiated" in the
> > log.
> 
> Downstream is mpegtsmux, and looking at the caps codec_data is not
> mentioned, though not sure that that’s fatal:
> 
>       video/x-h264
>           stream-format: byte-stream
>               alignment: { au, nal }
> 
> omxh264enc and mpegtsmux are in turn linked together by encodebin,
> are there any known issues with respect to getting these to
> renegotiate when needed?

byte-stream h264 has no "codec_data" in the headers, only avc has. The
information is in-band in this case.

We'll need a full debug log here

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com
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