[Bug 695709] vp8enc plugin has invalid parameter error when framerate is "0/1"

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Mar 25 04:00:14 PDT 2013


https://bugzilla.gnome.org/show_bug.cgi?id=695709
  GStreamer | gst-plugins-good | 1.0.5

Tim-Philipp Müller <t.i.m> changed:

           What    |Removed                     |Added
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                 CC|                            |t.i.m at zen.co.uk

--- Comment #10 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-03-25 11:00:10 UTC ---
I don't really understand this reasoning:

    /* Zero framerate but still need to setup the timebase so we
     * presume this is RTP

The simplest case I can think of is

  {v4l2src,ximagesrc} ! videoconvert ! vp8enc ! foomux ! ...

- no RTP.

At the very least we should try and fallback to the fps from the
"max-framerate" field IMHO if there is one. (On a side note v4l2src doesn't
seem to do the right thing, I think it should do framerate=0/1 for webcams
where we are not guaranteed to get a fixed framerate, and then set
max-framerate to whatever was configured).

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