[Bug 796525] New: 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 09:41:09 UTC 2018


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

            Bug ID: 796525
           Summary: when gst-rtsp-server is used in conjunction with
                    v4l2h264enc on an imx6, nobody allocates downstream
                    buffers
    Classification: Platform
           Product: GStreamer
           Version: 1.14.1
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-rtsp-server
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: keith.thornton at zeiss.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

using gst-rtsp-server with v4l2h264enc, the allocation query finds no element
with a decide_allocation function so no downstream buffers are allocated.
example 
./test-launch "( v4l2src min-buffers=10 device=/dev/v4l/by-path/platform-captu
re-subsystem-video-index4
video/x-raw,format=NV12,width=1920,height=1080,framera
te=60000/1001 ! v4l2h264enc ! video/x-h264,profile=baseline ! rtph264pay
name=pay0 pt=96 )"

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