[Bug 796525] when gst-rtsp-server is used in conjunction with v4l2h264enc on an imx6, nobody allocates downstream buffers

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Jun 7 10:59:52 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796525

--- Comment #2 from Keith Thornton <keith.thornton at zeiss.com> ---
Similar pipelines with v4lsink or filesink work. I assume they provide the
downstream buffer pool. I have only seen the problem up until now when using
gst-rtsp-server. If I replace the v4l2h264enc by openh264enc without using dma
buffers upstream I can stream, all be it with a lot of dropped frams. In this
case I assume (but haven't checked) that openh264enc implements the
decide_allocation and instantiates its own buffer pool.

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