[gstreamer-bugs] [Bug 574725] New: [ffenc_dnxhd] Undocumented restrictions to width/height/framerate/bitrate settings

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-ffmpeg | Ver: git
           Summary: [ffenc_dnxhd] Undocumented restrictions to
                    width/height/framerate/bitrate settings
           Product: GStreamer
           Version: git
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: slomo at circular-chaos.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Hi,
ffenc_dnxhd only allows some very restrictive width/height/framerate/bitrate
settings, see libavcodec/dnxhddata.c the ff_dnxhd_cid_table.

We should document this and specify this in the caps and tell the ffmpeg people
to simply choose the nearest possible bitrate instead or requiring a bitrate
the exactly fits with the width/height/framerate combination.


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