[Bug 753782] New: Splitting a clip does not seem to apply effects correctly

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=753782

            Bug ID: 753782
           Summary: Splitting a clip does not seem to apply effects
                    correctly
    Classification: Platform
           Product: GStreamer
           Version: 1.4.0
                OS: Mac OS
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-editing-services
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: gnome-bugzilla at sjor.sg
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 309516
  --> https://bugzilla.gnome.org/attachment.cgi?id=309516&action=edit
Test case. See description for instructions.

When applying effects to a clip, then splitting it in two halves, the effects
seem not to be applied correctly to the second half. In particular, the effects
may be applied to a different clip instead. A test case is attached that shows
the problem.

The test case can be compiled using:
  cc `pkg-config gst-editing-services-1.0 --cflags` `pkg-config
gst-editing-services-1.0 --libs` -Wall main.c -o main

Expected behavior: cliphigh should be audible for 4 seconds, because it has no
effects applied. cliplow should be inaudible for 4 seconds, because it is muted
in both halves. (This is the observed behavior without the split.)

Behavior observed: cliphigh is audible for 2 seconds, while cliplow is
inaudible. However, at the point of the split, cliplow becomes audible, while
cliphigh becomes inaudible.

It is possible that ges_clip_split applies the effects to cliphigh instead of
the second half of cliplow by accident. Note that this effect is not observed
when cliphigh is split instead of cliplow.

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