[Bug 781401] New: omxh264enc cannot connect to qtmux/mp4mux

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=781401

            Bug ID: 781401
           Summary: omxh264enc cannot connect to qtmux/mp4mux
    Classification: Platform
           Product: GStreamer
           Version: 1.10.x
                OS: Linux
            Status: NEW
          Severity: major
          Priority: Normal
         Component: gst-omx
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: h2suzuki at futurestandard.co.jp
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Test Environment:
   Raspberry Pi2 + Raspbian Apr.2014 (kernel 4.9.21-v7+)


The following pipeline works under 1.8.x (gst-omx 1.2) but it fails after going
to playing state since 1.10.x (gst-omx 1.10.x).

gst-launch-1.0 v4l2src num-buffers=1500 device=/dev/video0 !
'video/x-raw,format=I420,width=640,height=480' ! queue ! omxh264enc ! h264parse
! mp4mux ! filesink location=/tmp/stream

The error message says "Buffer has no PTS."



Meanwhile, the following pipeline works under 1.10.x, too.
Note that the only difference of the two pipelines is: omxh264enc vs x264enc.

gst-launch-1.0 v4l2src num-buffers=1500 device=/dev/video0 !
'video/x-raw,format=I420,width=640,height=480' ! queue ! x264enc ! h264parse !
mp4mux ! filesink location=/tmp/stream


Reverting a993883b (https://bugzilla.gnome.org/show_bug.cgi?id=772143) on the
top of 1.10.4 code makes the pipeline to run again.

IMHO, the time-handling problem of omxh264enc has come into the open by the
stricter checking of qtmux/mp4mux since 1.10.0 (1.9.90 in fact).

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