[Bug 691074] some subtitle streams cause playbin2 to excessively leak memory

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=691074
  GStreamer | gst-plugins-base | 0.10.36

--- Comment #7 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-01-04 15:35:50 UTC ---
Created an attachment (id=232739)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=232739)
massif.out

Attached a massif.out file generated using:

    $ G_SLICE=always-malloc valgrind --tool=massif .libs/lt-gst-launch-1.0
playbin
uri=file:///mnt/core/samples/private/fraxinas/The.Best.Exotic.Marigold.Hotel.mkv
text-sink=fakesink video-sink=fakesink audio-sink=fakesink

$ ms_print massif.out

will show the details (here just the graph):

    MB
55.87^                                                                      # 
     |                                                                ::::::#:
     |                                                          @  :::::: ::#:
     |                                                    ::::::@::: :::: ::#:
     |                                                 :::::  : @::: :::: ::#:
     |                                       @::::::::::: ::  : @::: :::: ::#:
     |                                @::::::@: : :: : :: ::  : @::: :::: ::#:
     |                            ::::@:: :::@: : :: : :: ::  : @::: :::: ::#:
     |                      ::::@:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     |               :::@@::: : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     |          @:::@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     |       :::@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | ::::::: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
     | : :: :: :@: :@: :@ : : : @:::: @:: :::@: : :: : :: ::  : @::: :::: ::#:
   0
+----------------------------------------------------------------------->Gi
     0                                                                   676.0

Number of snapshots: 53
 Detailed snapshots: [7, 10, 13, 17, 22, 28, 39, 49 (peak)]

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