[Bug 796703] New: can not recover video file: GstQTMoovRecover:qtmoovrecover0: Broken file could not be parsed correctly

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796703

            Bug ID: 796703
           Summary: can not recover video file:
                    GstQTMoovRecover:qtmoovrecover0: Broken file could not
                    be parsed correctly
    Classification: Platform
           Product: GStreamer
           Version: 1.x
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: maud.ferrato at nexvision.fr
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Hello,

I'm trying to use the qtmoovrecover, but when I run the corresponding pipeline
it issues an error and recovered file is empty.

In order to reproduce my issue I got a video using the following pipeline:
gst-launch-1.0 -v videotestsrc is-live=true ! x264enc ! qtmux
moov-recovery-file=test.mrf ! filesink location=test.mov

as I did not put the "-e" option EOS is not sent and the file is not readable
(I want to simulate an application's crash)
then I run the command:

gst-launch-1.0 qtmoovrecover broken-input=test.mov recovery-input=test.mrf
fixed-output=test-recovered.mov

the output of this command is:
Setting pipeline to PAUSED ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstQTMoovRecover:qtmoovrecover0: Broken file could not be
parsed correctly
Additional debug info:
gstqtmoovrecover.c(229): gst_qt_moov_recover_run ():
/GstQTMoovRecover:qtmoovrecover0
Execution ended after 0:00:00.000135241
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

(please find more log in the attached file)

I noticed that not matter how long I let the first pipeline run the size of the
mrf is always the same:
-rw-rw-r--  1 maud maud 12993848 juin  28 11:46 test.mov
-rw-rw-r--  1 maud maud      728 juin  28 11:45 test.mrf
-rw-rw-r--  1 maud maud        0 juin  28 11:49 test-rec.mov

even if I terminate my first pipeline, which generates the video, using the
"-e" option and send an EOS on termination, the result is the same.

the output file of the recovering pipeline is empty and so not exploitable.

best regards

Maud

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