Update gstreamer to 1.4.3:

Note that this announcement includes everything from 1.4.2 too, which was
never officially released as some critical bugs were found.

Bug reports fixed in this release:

GStreamer core:
      * 734412 : multiqueue: The buffering logic can lead to a pipeline stuck in PAUSED forever
      * 735574 : buffer: do not touch memory tag flag when copying buffer flags
      * 736295 : multiqueue: posts buffering message holding lock
      * 736424 : query: add annotations to gst_query_set_nth_allocation_pool
      * 736680 : basesrc: possible pool and allocator leak in prepare_allocation()
      * 736736 : query: add annotations to gst_query_add_allocation_pool
      * 736813 : typefindelement leaks sticky events upon flush_stop
      * 737102 : queue: Do not hold GST_QUEUE_LOCK while posting ERROR messages
      * 737133 : Missing gstconfig.h include

GStreamer Plugins Base:
      * 732908 : audioresample: skips samples unless input buffers have correct size
      * 727255 : playbin: filter out buffering messages when switching URI and the previous URI is still playing
      * 729811 : output-selector: test example in gstreamer plugin base is giving " Internal data flow error "
      * 735569 : rtspconnection: Crash due to no protection of watchs readsrc
      * 735748 : playbin: can't play an avi file in totem with audio-filter=scaletempo
      * 735800 : textoverlay: Two textoverlay in sequence fail to negotiate (regression)
      * 735844 : basetextoverlay/pango: overlay negotiation fails when it should not
      * 735952 : videorate: GstStructure refcount critical message
      * 736071 : audiobasesink: Don't hold object lock while calling into other objects like the clock
      * 736118 : videofilter: The buffer is not writable in transform_frame_ip
      * 736739 : audiocdsrc: do not leak uid after parsing TOC select event
      * 736779 : typefind: h265 IRAP picture always true
      * 736788 : audiodecoder: leaks events
      * 736796 : videoencoder: do not leak events when flushing them
      * 736861 : playbin: Reference count bug
      * 736679 : videodecoder: do not leak pool and allocator in error case
      * 736969 : queue2: dead lock when buffering
      * 709868 : Keep still meaningfull pending events on FLUSH_STOP

GStreamer Plugins Good:
      * 719359 : vp8dec: Doesn't handle changes in resolution
      * 733607 : v4l2transform: Rank should have been NONE
      * 734266 : vp8dec: fails when input format changes
      * 735520 : aacparse: skip valid ADTS/LOAS frames
      * 735804 : smpte: Creates incomplete raw video caps
      * 735833 : matroskademux: parse error at end of file
      * 735859 : videomixer: Dynamically changing the FPS leads to an incorrect buffer time
      * 736192 : avidemux: some AVI files crash (regression)
      * 736266 : wavparse: error in reading adtl chunk
      * 736384 : v4l2sink: pool not unreffed after usage
      * 736670 : v4l2allocator: O_CLOEXEC needs _GNU_SOURCE
      * 736805 : multipartdemux leaks new stream events
      * 736807 : rtpbin: pad leaked in error case
      * 735660 : v4l2: fix new v4l2 code not working with certain devices (regression)
      * 736944 : videoscale: vs_image_scale_4tap_Y offset should use stride to calculate buffer offset
      * 737219 : flacparse:  When generating headers, leave total_samples at 0 if upstream duration query returns GST_CLOCK_TIME_NONE.

GStreamer Plugins Bad:
      * 735861 : dataurisrc: make src thread safe
      * 736090 : aiffparse: duplicate else-if condition
      * 736390 : tsdemux: plug for a memory leak
      * 736426 : mpegpsmux: memory leak with h264/avc stream
      * 736474 : vc1parse: malformed sequence layer header and STRUCT_C
      * 736490 : tsdemux: fix overflow of packet_length field of PESHeader
      * 736729 : glmixer: do not leak pool in error cases
      * 736730 : gltestsrc: do not leak pool in error cases
      * 736731 : openni2src: do not leak pool
      * 736732 : glfilter: do not leak pool in error cases
      * 736733 : vdpdecoder: do not leak pool
      * 736735 : waylandsink: do not leak buffer pool in error case
      * 736750 : vc1parse: fix sequence-layer/frame-layer endianness
      * 736871 : codecparsers_vc1: sequence-layer parser is broken due to endianness issue.
      * 736919 : hlsdemux: attempt to unlock an already unlocked mutex in gst_hls_demux_change_playlist
      * 736951 : vc1parse: initialize sent_codec_tag before using it

GStreamer Plugins Ugly:
      * 736060 : asfdemux: add GUID for ASF_Metadata_Library_Object

GStreamer libav Plugins:
      * 734661 : avviddec: After draining frames, flush the libav decoder
      * 736515 : avviddec: keep draining buffers from libav until libav says so
      * 737144 : avauddec: keep draining buffers from libav until libav says so

GStreamer RTSP Server:
      * 735570 : Race condition between close() and handle_tunnel() causing crash
      * 736017 : Sequence number is not monotonic after PAUSE command


(wiz)