soundtouch: Call default event handler for basetransform

Make pipeline end properly at EOS and not leak by passing events
to the default event handler.
pngparse: Don't try to set framerate if not from upstream

https://bugzilla.gnome.org/show_bug.cgi?id=715166
asfmux: don't use buffer after giving away ownership

https://bugzilla.gnome.org/show_bug.cgi?id=719553
rtpasfpay: init rtp buffer fixing rtp packet creation

https://bugzilla.gnome.org/show_bug.cgi?id=719553
mpegvideoparser: Also initialize debug category in parse_sequence_header

Also remove the useless initialized flag, this is already done by the macro

https://bugzilla.gnome.org/show_bug.cgi?id=719657
rtpasfpay: Use GstRTPBasePayload method to push buffer

This way the event is also pushed.

https://bugzilla.gnome.org/show_bug.cgi?id=719553
codecparsers: h264: fix picture level scaling lists derivation (rule B).

Fix picture level scaling lists derivation from fall-back rule set B,
as specified in 7.4.2.2. More precisely, the sequence level scaling
lists need to be used but intra and inter lists arguments were swapped.

This fixes FRExt/freh5.264 from conformance testing.

https://bugzilla.gnome.org/show_bug.cgi?id=720099

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
gsmdec: fix decoding of audio/ms-gsm variant

Alternates between 33 and 32 byte frames, but must start
with a 33 byte frame. This has been broken for ages since
the element was ported to the audio decoder base class.

https://bugzilla.gnome.org/show_bug.cgi?id=709416
decklinksrc: Set GST_ELEMENT_FLAG_SOURCE on the source

As it does not inherit from basesrc, this flag is not automatically set
and e.g. gst_bin_iterate_sources() and other code does not consider this
element a source.

https://bugzilla.gnome.org/show_bug.cgi?id=680700
decklinksrc: Process EOS even when there are no incoming video frames.

https://bugzilla.gnome.org/show_bug.cgi?id=680700
configure.ac: Fix typo in bz2 check

https://bugzilla.gnome.org/show_bug.cgi?id=720532
decklinksink: Only intersect with the filter caps if there actually is a filter
decklinksink: Give preference to the order of the filter caps when querying caps
id3tag: Write image-type into the APIC tag
id3tag: Read image-description from the info structure, not the caps