-This is GStreamer Plugins 0.8.6
-
-Changes since 0.8.5:
-
- * New translation in this release: Norwegian Bokmaal
- * New translation in this release: Luca Ferretti
- * new element: polypsink
- * new element: musepack decoder
- * alsa fixes
- * playbin fixes
- * support for cd://, cdda:// and dv:// uri
- * v4lsrc fixes
- * id3demux fixes
- * avc-based Firewire camera support
- * speex fixes
- * tcp fixes
- * multifdsink improvements
- * ffmpegcolorspace fixes
- * chained ogg support
-
-Bugs fixed since 0.8.5:
-
- * 140994 : [mplex] configure failure
- * 143961 : MusePack codec support
- * 144389 : alsasink dies after some time playing
- * 144436 : opt / oggmux problem (endless interrupt event loop)
- * 150061 : gstreamer error in rhythmbox: vorbisdec(27925) vorbisdec....
- * 150576 : pad v4l2src0:src returned caps that are not a real subset...
- * 151059 : [sdlvideosink] doesn't implement overlay properly
- * 151064 : asfdemux crash
- * 151122 : playing a m4a-file using " spider " doesn't work
- * 152750 : audioconvert crash
- * 154781 : [playbin/totem] avi file with just divx video (no audio) ...
- * 154784 : [playbin/totem] playing avi with 320x240 raw yuv video an...
- * 154788 : Xv video in another window
- * 154807 : auparse doesn't error out on invalid files
- * 154834 : [dvdreadsrc] immediate EOS when specifying a title > 0
- * 154903 : cdparanoia plugin doesn't handle URIs
- * 154967 : [wavenc] missing cast and terminator in gst_event_new_dis...
- * 155008 : LoTr movie segfaulting with gstreamer+totem
- * 155223 : memleak in wavparse
- * 155814 : gst_bin_iterate() gets stuck on some images
- * 155864 : [oggdemux] regression with files without proper EOS flag
- * 156372 : gst-plugins fails to build on AMD64
- * 156387 : [oggdemux] seeking is off by up to 30 secs (regression)
- * 156477 : Ogg Vorbis file fails to play. Works with ogg123
- * 156488 : Introducing device for alsasink in gconf makes totem crash
- * 156565 : gst_bin_remove crashes deep down
- * 156910 : Rhythmbox crash at the end of this song
- * 157032 : Patch for dispose/finalize functions in gst-plugins
- * 157281 : crash with totem-gst
- * 157543 : [rtpgsmparse] missing NULL terminator to gst_caps_new_sim...
- * 157548 : [vorbisenc] premature and/or missing terminator to gst_ca...
- * 157632 : C99 style variable initialization(multifilesrc_test.c)
- * 157964 : smoothwave display warnings when launching gst-register
- * 157986 : [vorbisdec] fix warning when querying while draining
- * 158006 : alsasink/rhythmbox don't like each other anymore
- * 158125 : gstreamer apps have serious issues with 0.8.5.2 plugins & ...
- * 158221 : Build fix for gstreamer-plugins 0.8.5.3
- * 158365 : Fix for playbin hangs
- * 158375 : fix segfault in mp3 typefinding
- * 158462 : [dvdreadsrc] invalid reads / is_nav_pack assertion failure
- * 158832 : pngenc drops GstBuffer extra info (timestamp, length...)
- * 158976 : [oggdemux] seeking broken again [regression]
- * 159186 : [PATCH] videorate doesn't handle all colorspaces
- * 159187 : [PATCH] v4l probes too much and should cache
-
-API changes since 0.8.5:
-
-- API additions:
-
-* A new v4lsrc property, autoprobe-fps, has been added.
-
-Changes since 0.8.4:
-
- * New translation in this release: Oriya
- * licensing corrections
- * new element: mngdec
- * pixel aspect ratio conversion fixes
- * 64 bit fixes
- * NEW_MEDIA fixes
- * ogm support added
- * matroska fixes
- * playbin fixes
- * alsamixer fixes
- * gnomevfssrc fixes
- * ogg fixes
- * multifdsink fixes
- * multifilesink fixes
- * qtdemux fixes
- * avidemux fixes
- * asfdemux fixes
- * wavenc fixes
- * flac fixes
- * fli/flx fixes
- * mpeg fixes
- * speex now actually works
-
-Bugs fixed since 0.8.4:
-
- * 119376 : Playback out of sync for mpeg videos from DVB
- * 126922 : [qtdemux] demuxes incorrectly
- * 135528 : [ximagesink] crashes on resize
- * 137748 : [ffdec_wmav2] jaggy video for homeShopping.asf
- * 139194 : [gstplay] doesn't play media with only video
- * 139588 : In Alsa tab, binary value options appear as a slider and ...
- * 142268 : avidemux forwards flush events event when not seeking
- * 147441 : typefind recognizes ELF files as audio/mpeg
- * 148283 : ** ERROR **: file gst-register.c: line 138 (main): assert...
- * 148993 : Gstreamer fails to play Faac created aac file
- * 149742 : [asfdemux] Can't play Shania Twain - Up.wma
- * 150589 : dirac plugin does not compile with dirac-0.4.0
- * 151416 : [PATCH] Fix CVS jhbuild build failure of gstadder.c
- * 151419 : [PATCH] Fix CVS jhbuild build failure of progressreport.c
- * 151420 : [PATCH] matroska-demux.c build failure on x86_64
- * 151421 : [PATCH] playback/test3.c build failure on x86_64
- * 151877 : [PATCH] Fix bad casts in ximagesink.c
- * 151879 : [PATCH] fix bad pointer casts in xvimagesink.c
- * 151881 : [PATCH] Fix format strings for amd64 in seek.c
- * 151882 : [PATCH] Fix format string warnings in spider_seek.c
- * 151883 : [PATCH] fix cdplayer.c warnings on amd64
- * 151884 : [PATCH] Fix format string warnings in cdparanoia.c
- * 151886 : [PATCH] Fix format string warnings in vorbisfile.c
- * 151887 : [PATCH] Fix format string warnings in player.c
- * 152091 : aspect-ratio fixes
- * 152102 : wavenc leaks events
- * 152289 : wavparse pushes buffers on unusable source pad
- * 152341 : patch for ivorbis compile failure
- * 152671 : file not playing back with BBB's gst-player
- * 152692 : Compile error with gcc 2.95
- * 152757 : playes this file in slow motion while other media players...
- * 152805 : [sunaudiosink] Deselects other input ports
- * 152806 : [sunaudiomixer] Mute functionality is broken
- * 153388 : Mpeg makes Totem hang
- * 153818 : AVI plays back extremely slowly
- * 154056 : Small leak in wavparse
- * 154301 : typefind and rmdemux don't use the same mime type for rea...
- * 154375 : avi index massaging is slow
- * 154518 : gst-plugins speex support not compatible with speex-1.0.x...
-
-Changes since 0.8.3:
-
- * New translation in this release: Albanian
- * licensing corrections
- * fixes for compiling with G_DISABLE_ASSERT
- * pixel aspect ratio conversion fixes
- * tcpserversink fixes and additions
- * multifdsink can use poll now as well
- * interleave fixes
- * audioscale fixes
- * videotestsrc fixes
- * v4lsrc fixes
- * theoradec, theoraenc fixes
- * lame fixes
- * flac fixes
- * ximagesink, xvimagesink fixes
- * sunaudio fixes
-
-Bugs fixed since 0.8.3:
-
- * 135407 : [xviddec] shows green frames when decoding packed bitstre...
- * 140432 : Osssink and alsasink broken on nforce2 (intel8x0) soundcard
- * 140897 : Incorrect segment duration in files created with matroska...
- * 140898 : No writing application specified in matroska files create...
- * 141554 : vorbis in matroska files makes the vorbisdec plugin segfault
- * 144091 : [Solaris] audio mixer element
- * 144616 : Infinite loop in wavparse.
- * 148711 : typefind function for TTA audio files
- * 148950 : matroskademux doesn't set buffer duration
- * 148951 : matroskademux misses the tta codec in its codec list
- * 151232 : [lame] doesn't build with lame-3.90
- * 151236 : [v4l] compile failure
- * 151410 : Memory leaks in multifdsink
- * 151462 : theora plugin Makefile broken
-
-Changes since 0.8.2:
-
- * New translation in this release: Czech
- * New translation in this release: Hungarian
- * pixel aspect ratio conversion
- * tcpserversink fixes and additions
- * oggdemux fixes
- * theoraenc and theoradec fixes
- * ximagesink and xvimagesink fixes
- * ladspa fixes
- * videoscale and ffmpegcolorspace fixes for stride
- * mpeg and dvd fixes
- * win32 project file additions
- * new elements: playbin and decodebin
- * new element: multifdsink
- * new element: pngdec
- * new element: alpha
- * new element: multifilesink
-
-Bugs fixed since 0.8.2:
-
- * 141906 : hang on removing ximagesink from a pipeline
- * 142432 : Wrong sink MIME type in shout2send
- * 143222 : [oggdemux] Optimize tag reading
- * 143548 : Please update libtool to fix build on arm
- * 143703 : duration always 0 for some (gst produced) .ogg files
- * 144624 : wavenc doesn't close file properly
- * 144753 : libgstinterfaces should be split, or: 'volume' should not...
- * 144815 : [alsasink] gst_element_set_time_delay() assertion failure...
- * 144866 : [flac] seeking broken, duration not set on buffers [PATCH]
- * 144941 : alsasink assertion failure on ctrl+z and fg
- * 145031 : totem CVS won't compile because of gst-play ...
- * 145088 : gnome-volume-control has unlocalized volume names.
- * 145118 : Compile error (gcc 2.95, alsa)
- * 145336 : pipeline broke-stonecold
- * 147969 : LADSPA plugin should sanitize the info from the .so's to ...
- * 148021 : Bug in lib-riff
- * 148023 : [ximagesink] doesn't work with Xnest
- * 148043 : audioconvert
- * 148289 : mad plugin crashes on Sun
- * 148505 : [level] for silence peak is reported wrongly
- * 148986 : [lame] bug in negotiation
-
-Changes since 0.8.1:
-
- * New translations in this release: Ukrainian, British
- * id3 fixes
- * asf fixes
- * qt demux fixes
- * dv fixes
- * auparse fixes
- * wavparse seeking/querying fixes
- * alsa fixes for mixing and device releasing
- * categorisation fixes
- * v4lsrc fixes for webcams
- * streamheader fixes
- * Portability fixes
- * new element: DTS decoder
- * new element: libvisual
- * new element: theoraenc
- * new element: oggmuxer
- * new element: rawvorbisenc
- * new elements: audiorate and videorate
- * new elements: TCP server/client src/sink
- * new element: pixbufscale
- * new element: osxaudiosink
- * new element: sunaudiosink
- * new element: videomixer
- * new elements: multipartmux/multipartdemux
- * new elements: smokeenc/smokedec
- * new element: vorbisparse
-
-Bugs fixed since 0.8.1:
-
- * 132440 : configure botches DVDNAV_CFLAGS
- * 133002 : configure should check for dvdnav header
- * 134007 : [alsasink] assertion failure in alsalib snd_pcm_plug_hw_p...
- * 135145 : [asfdemux] Can't play randomfile.wma
- * 135862 : [wavparse] add ADPCM support
- * 135989 : v4l-conf called even when not present
- * 136392 : [v4lsrc] buggy wit qc-usb driver
- * 136572 : [esdsink] blocks other esd apps in PAUSED state
- * 137711 : [oggdemux] jump or move depends on uninitialised value
- * 137724 : [qtdemux/ffdec_mpeg4/faad] MPEG-4 video/audio esds atoms
- * 137750 : Gst-player not able to seek in wav file
- * 138251 : [mad] Can't play bad1.mp3, bad2.mp3
- * 139524 : ogg muxer needed
- * 139658 : [alsasrc] probes inexistant playback device on capture on...
- * 140064 : [speed] can't negotiate
- * 140138 : media file makes totem-gst go nuts
- * 140265 : ffmpegcolorspace and gnomevfs fail to build buildable
- * 140268 : ximagesink and xvimagesink do not build under FreeBSD
- * 140384 : Incorrect library dependency in SDL plugin
- * 140640 : [asfdemux] segfault
- * 140668 : gst-plugins-0.8.1 does not compile
- * 140844 : icecastsend (shout) doesnt even try to connect to server
- * 140878 : ima adpcm encoded wavs are not supported
- * 141176 : [mad] Can't play ...Faithfulness.mp3
- * 141188 : monoscope plugin doesnt work as intended
- * 141258 : mp3 file seek problem
- * 141318 : ffmpegcolorspace doesn't compile on Solaris
- * 141821 : kdemacros.h
- * 142044 : m4a typefinds to x-m4a instead of quicktime
- * 142084 : mad and level plugins dont like each other (caps related ...
- * 142107 : build error under mdk 10.0
- * 142127 : GstPlay's time_tick event does not return the right time ...
- * 142193 : Patch for plugins Codecs klassifications
- * 142205 : return type of gst_audio_clock_id_wait_async is wrong
- * 142211 : alsasink broken due to mixer device
- * 142262 : shout2send not compiling or working (fix attached)
- * 142272 : qtdemux doesn't work with sources that cannot seek
- * 142286 : The au plugin cannot play au files encoded with ulaw
- * 142320 : [ffmpeg - ima-adpcm-ws/wsaud] scheduler issues
- * 142493 : default fragment size in osssink is too small
- * 142507 : [PATCH] id3tag plugin does not correctly set buffer offset
- * 142555 : wavparse doesn't handle truncated files gracefully
- * 142566 : Certain mp3s don't get played correctly
- * 142585 : gstresample makes wrong assumption about buffer sizes (se...
- * 142586 : alsasink resync is broken
- * 142664 : v4l2_buffer redeclaration : won't compile with -Werror
- * 142764 : ogg that caueses error
- * 142797 : Mac OS X Audio Sink and Src
- * 142851 : gstid3tag sends wrong offset on discont events
- * 142954 : [patch] adding a connection problem signal to shout2send
- * 142962 : Error converting wav file to ogg/vorbis
- * 143032 : [adder] crash on certain errors
- * 143130 : [mixmatrix] returns garbage pointer as request pad
- * 143146 : [patch] gst/tcp plugin doesnt compile on OSX
- * 143153 : [patch] osxaudio - fix warnings
- * 143262 : rifflib does not know several fourccs
- * 143283 : [PATCH] Property accessors for the mixer interface
- * 143454 : [alsasink] outputs silence on sync problem
- * 143749 : tcp plugin dosn't compile on FreeBSD
- * 143861 : OSS elements portability on BSD (soundcard.h location)
- * 144240 : [cdparanoia] sets wrong timestamps on buffers [patch]
- * 144425 : Invalid read of size 4in riff-read.c [patch]
-
-This is GStreamer Plugins 0.8.1
-
-Bugs fixed since 0.8.0:
- * 120883 : osssink advertises more rates than it handles
- * 125732 : v4l2src don't support all YUV formats
- * 134301 : gst-plugins should depend on X
- * 135919 : Mandrake 10
- * 136477 : [PATCH] gst-launch-ext does not support .mov
- * 136527 : gdk_pixbuf makefile tried to execute targets contrains in...
- * 137348 : media-info .pc file lacks a 'Version:' line
- * 137448 : mpegaudioparse: crash (bus error)
- * 137504 : mpeg2dec fails on 422 encoded material
- * 137556 : Ogg Vorbis playback has poor spatialization
- * 137588 : ffmpegcolorspace gives critical when it should throw error
- * 137722 : Quicktime audio parsing is broken
- * 138105 : [mpeg1videoparse] Hangs while decoding everest.m1v
- * 138168 : id3tag using gst_event_new_discontinuous incorrectly?
- * 138169 : matroska-demux using gst_event_new_discontinuous without ...
- * 138635 : two GLib-GObject-CRITICAL Messages when running gst-regis...
- * 138846 : all of the ladspa-wrapped source-plugins fail to go to pl...
- * 138914 : gstgdkanimation.h is missing from gst-plugins-0.8.0
- * 139034 : Non-standard test(1) operator used in configure script
- * 139035 : Non-standard regex used as libtool argument
- * 139382 : mad decoder can resync wrongly after seek and does explic...
- * 139532 : gstcolorspace crashes when after v4lsrc (ffmpegcolorspace...
- * 139926 : id3tag's caps cause it to be plugged more than once by sp...
- * 139958 : Leak in avidemux
- * 140058 : [msmpeg4] file with broken qscale/header does not play
-
-Changes since 0.8.0:
-
- * New translations in this release: Swedish, Afrikaans, Azerbeaijani
- * Updated osssink: now does probing of possible output properties
- * Updated qtdemux: fixes for MACE audio
- * New debug element: quasirandom byte changes
- * New element: dvddemux
- * New element: kiosrc, a KIO-slaves source
- * Various memleak and buffer overflow fixes
-
-Bugs fixed since 0.7.6:
-
- * 126999 : [API]: "gstreamer-libs-0.7.pc" should be renamed
- * 129299 : complied errors in alsa-lib-1.0.0-0.rc2
- * 131270 : pkg-config-ification patch (alsa, esd, shout2, ogg, speex, .
- * 135921 : speexenc support won't compile with 1.1.x
- * 136590 : mod plugins doesn't work atm
- * 137044 : GConf schemas unreadable
-
-Changes since 0.7.5:
-
- * uses 0.8 as the major/minor number
- * dist fixes for generated files
- * MPEG video playback fixed
- * error call fixes
- * videodrop fixes
- * alsa oss emulation mixer fixes
- * audioconvert fixes
- * gconf versioning fixes
- * mad xing header fixes
- * vorbisdec fixes
- * mad leak and stream reporting fixes
- * media-info fixed
- * buffer leak fixes
- * osssink timing fixes
- * NAS fixes
- * cdparanoia error
-
-Bugs fixed since 0.7.5:
-
- * 114560 : rfc2250enc produces empty buffers
- * 122279 : goom's first timestamp is broken
- * 131128 : aasink and sdlvideosink are broken
- * 133541 : int2float and int2floatnew conflict should be resolved
- * 133783 : remove deprecated plugins
- * 135597 : make gstosselement properly deal with symlinks
- * 136334 : udpsrc pads / caps error
-
-Changes since 0.7.4:
-
- * Compatible with gstreamer 0.7.5
- * ffmpeg plugin moved to gst-ffmpeg module
- * DV fixes
- * mikmod fixes
- * OSX build fixes
- * jpeg fixes
- * gdk_pixbuf fixes
- * automake 1.8 underquotedness fixes
- * rfb server/port addition
- * colorspace fixes
- * liboil usage in videofilter and videotestsrc
- * better LADSPA classification
- * ALSA xrun recovery fixes
- * switch fixes
- * xvimagesink fixes
- * moved out MAS sink
- * experimental xine lib plugin
- * intfloat and oneton removed in favour of audioconvert and interleave
- * only export gst_* from plugins
- * lame tag writing fixed
- * added reporting of codecs used
- * version gconf schemas and install locations
- * qtdemux fixes
- * gamma correction fixes
-
-Bugs fixed since 0.7.4:
-
- * 129740 : MP4/M4A files not recognized properly
- * 130507 : Silence/sine don't have a sync property
- * 131050 : avi-demux plays audio, but funky colors as video
- * 131534 : jhbuild build failure with Debian sid
- * 131948 : xoverlay and gstplay sample fails to build - missing include
- * 133219 : missing include in ./gst/effectv/gstedge.c
- * 133316 : gst/vbidec/vbiscreen missing cast
- * 133410 : gstid3tag doesnt handle track-count
- * 133508 : [oggdemux] Can't play files with multiple streams
- * 133528 : sincesrc seems not to register its dparams correctly
- * 133562 : Build breaks on dvdec
- * 133663 : ext/ladspa categorises all plugins as Filter/Effect
- * 133886 : libtool error while compiling alsamixer plug-in
- * 134255 : vbidec won't compile
- * 134318 : GConf schemas should be in versioned files, and install in v
- * 134322 : gst/intfloat/gstint2float.c forgets to include "inttypes.h"
- * 134612 : ext/gdk_pixbuf/Makefile: error in target install-loaderLTLIB
- * 134750 : Problem building gst-plugins on Solaris
- * 134894 : vorbisdec signals tags with bitrate < 1 (ie not set)
- * 135038 : port gst-shorten to the new caps system
- * 135042 : fix tag writing in lame
- * 135116 : gstflacenc.c fails to build in NetBSD
+# GStreamer 1.12 Release Notes
+GStreamer 1.12.0 was originally released on 4th May 2017.
+
+The GStreamer team is proud to announce a new major feature release in the
+stable 1.x API series of your favourite cross-platform multimedia framework!
+
+As always, this release is again packed with new features, bug fixes and other
+improvements.
+
+See [https://gstreamer.freedesktop.org/releases/1.12/][latest] for the latest
+version of this document.
+
+*Last updated: Thursday 4 May 2017, 11:00 UTC [(log)][gitlog]*
+
+[latest]: https://gstreamer.freedesktop.org/releases/1.12/
+[gitlog]: https://cgit.freedesktop.org/gstreamer/www/log/src/htdocs/releases/1.12/release-notes-1.12.md
+
+## Introduction
+
+The GStreamer team is proud to announce a new major feature release in the
+stable 1.x API series of your favourite cross-platform multimedia framework!
+
+As always, this release is again packed with new features, bug fixes and other
+improvements.
+
+## Highlights
+
+- new `msdk` plugin for Intel's Media SDK for hardware-accelerated video
+ encoding and decoding on Intel graphics hardware on Windows or Linux.
+
+- `x264enc` can now use multiple x264 library versions compiled for different
+ bit depths at runtime, to transparently provide support for multiple bit
+ depths.
+
+- `videoscale` and `videoconvert` now support multi-threaded scaling and
+ conversion, which is particularly useful with higher resolution video.
+
+- `h264parse` will now automatically insert AU delimiters if needed when
+ outputting byte-stream format, which improves standard compliance and
+ is needed in particular for HLS playback on iOS/macOS.
+
+- `rtpbin` has acquired bundle support for incoming streams
+
+## Major new features and changes
+
+### Noteworthy new API
+
+- The video library gained support for a number of new video formats:
+
+ - `GBR_12LE`, `GBR_12BE`, `GBRA_12LE`, `GBRA_12BE` (planar 4:4:4 RGB/RGBA, 12 bits per channel)
+ - `GBRA_10LE`, `GBRA_10BE` (planar 4:4:4:4 RGBA, 10 bits per channel)
+ - `GBRA` (planar 4:4:4:4 ARGB, 8 bits per channel)
+ - `I420_12BE`, `I420_12LE` (planar 4:2:0 YUV, 12 bits per channel)
+ - `I422_12BE`,`I422_12LE` (planar 4:2:2 YUV, 12 bits per channel)
+ - `Y444_12BE`, `Y444_12LE` (planar 4:4:4 YUV, 12 bits per channel)
+ - `VYUY` (another packed 4:2:2 YUV format)
+
+- The high-level `GstPlayer` API was extended with functions for taking video
+ snapshots and enabling accurate seeking. It can optionally also use the
+ still-experimental `playbin3` element now.
+
+### New Elements
+
+- msdk: new plugin for Intel's Media SDK for hardware-accelerated video encoding
+ and decoding on Intel graphics hardware on Windows or Linux. This includes
+ an H.264 encoder/decoder (`msdkh264dec`, `msdkh264enc`),
+ an H.265 encoder/decoder (`msdkh265dec`, `msdkh265enc`),
+ an MJPEG encoder/encoder (`msdkmjpegdec`, `msdkmjpegenc`),
+ an MPEG-2 video encoder (`msdkmpeg2enc`) and a VP8 encoder (`msdkvp8enc`).
+
+- `iqa` is a new Image Quality Assessment plugin based on [DSSIM][dssim],
+ similar to the old (unported) videomeasure element.
+
+- The `faceoverlay` element, which allows you to overlay SVG graphics over
+ a detected face in a video stream, has been ported from 0.10.
+
+- our `ffmpeg` wrapper plugin now exposes/maps the ffmpeg Opus audio decoder
+ (`avdec_opus`) as well as the GoPro CineForm HD / CFHD decoder (`avdec_cfhd`),
+ and also a parser/writer for the IVF format (`avdemux_ivf` and `avmux_ivf`).
+
+- `audiobuffersplit` is a new element that splits raw audio buffers into
+ equal-sized buffers
+
+- `audiomixmatrix` is a new element that mixes N:M audio channels according to
+ a configured mix matrix.
+
+- The `timecodewait` element got renamed to `avwait` and can operate in
+ different modes now.
+
+- The `opencv` video processing plugin has gained a new `dewarp` element that
+ dewarps fisheye images.
+
+- `ttml` is a new plugin for parsing and rendering subtitles in Timed Text
+ Markup Language (TTML) format. For the time being these elements will not
+ be autoplugged during media playback however, unless the `GST_TTML_AUTOPLUG=1`
+ environment variable is set. Only the EBU-TT-D profile is supported at this
+ point.
+
+[dssim]: https://github.com/pornel/dssim
+
+### New element features and additions
+
+- `x264enc` can now use multiple x264 library versions compiled for different
+ bit depths at runtime, to transparently provide support for multiple bit
+ depths. A new configure parameter `--with-x264-libraries` has been added to
+ specify additional paths to look for additional x264 libraries to load.
+ Background is that the libx264 library is always compile for one specific
+ bit depth and the `x264enc` element would simply support the depth supported
+ by the underlying library. Now we can support multiple depths.
+
+- `x264enc` also picks up the interlacing mode automatically from the input
+ caps now and passed interlacing/TFF information correctly to the library.
+
+- `videoscale` and `videoconvert` now support multi-threaded scaling and
+ conversion, which is particularly useful with higher resolution video.
+ This has to be enabled explicitly via the `"n-threads"` property.
+
+- `videorate`'s new `"rate"` property lets you set a speed factor
+ on the output stream
+
+- `splitmuxsink`'s buffer collection and scheduling was rewritten to make
+ processing and splitting deterministic; before it was possible for a buffer
+ to end up in a different file chunk in different runs. `splitmuxsink` also
+ gained a new `"format-location-full"` signal that works just like the existing
+ `"format-location"` signal only that it is also passed the primary stream's
+ first buffer as argument, so that it is possible to construct the file name
+ based on metadata such as the buffer timestamp or any GstMeta attached to
+ the buffer. The new `"max-size-timecode"` property allows for timecode-based
+ splitting. `splitmuxsink` will now also automatically start a new file if the
+ input caps change in an incompatible way.
+
+- `fakesink` has a new `"drop-out-of-segment"` property to not drop
+ out-of-segment buffers, which is useful for debugging purposes.
+
+- `identity` gained a `"ts-offset"` property.
+
+- both `fakesink` and `identity` now also print what kind of metas are attached
+ to buffers when printing buffer details via the `"last-message"` property
+ used by `gst-launch-1.0 -v`.
+
+- multiqueue: made `"min-interleave-time"` a configurable property.
+
+- video nerds will be thrilled to know that `videotestsrc`'s snow is now
+ deterministic. `videotestsrc` also gained some new properties to make the
+ ball pattern based on system time, and invert colours each second
+ (`"animation-mode"`, `"motion"`, and `"flip"` properties).
+
+- `oggdemux` reverse playback should work again now. You're welcome.
+
+- `playbin3` and `urisourcebin` now have buffering enabled by default, and
+ buffering message aggregation was fixed.
+
+- `tcpclientsrc` now has a `"timeout"` property
+
+- `appsink` has gained support for buffer lists. For backwards compatibility
+ reasons users need to enable this explicitly with `gst_app_sink_set_buffer_list_support()`,
+ however. Once activated, a pulled `GstSample` can contain either a buffer
+ list or a single buffer.
+
+- `splitmuxsrc` reverse playback was fixed and handling of sparse streams, such
+ as subtitle tracks or metadata tracks, was improved.
+
+- `matroskamux` has acquired support for muxing G722 audio; it also marks all
+ buffers as keyframes now when streaming only audio, so that `tcpserversink`
+ will behave properly with audio-only streams.
+
+- `qtmux` gained support for ProRes 4444 XQ, HEVC/H.265 and CineForm (GoPro) formats,
+ and generally writes more video stream-related metadata into the track headers.
+ It is also allows configuration of the maximum interleave size in bytes and
+ time now. For fragmented mp4 we always write the `tfdt` atom now as required
+ by the DASH spec.
+
+- `qtdemux` supports FLAC, xvid, mp2, S16L and CineForm (GoPro) tracks now, and
+ generally tries harder to extract more video-related information from track
+ headers, such as colorimetry or interlacing details. It also received a
+ couple of fixes for the scenario where upstream operates in TIME format and
+ feeds chunks to qtdemux (e.g. DASH or MSE).
+
+- `audioecho` has two new properties to apply a delay only to certain channels
+ to create a surround effect, rather than an echo on all channels. This is
+ useful when upmixing from stereo, for example. The `"surround-delay"` property
+ enables this, and the `"surround-mask"` property controls which channels
+ are considered surround sound channels in this case.
+
+- `webrtcdsp` gained various new properties for gain control and also exposes
+ voice activity detection now, in which case it will post `"voice-activity"`
+ messages on the bus whenever the voice detection status changes.
+
+- The `decklink` capture elements for Blackmagic Decklink cards have seen a
+ number of improvements:
+
+ - `decklinkvideosrc` will post a warning message on "no signal" and an info
+ message when the signal lock has been (re)acquired. There is also a new
+ read-only `"signal"` property that can be used to query the signal lock
+ status. The `GAP` flag will be set on buffers that are captured without
+ a signal lock. The new `drop-no-signal-frames` will make `decklinkvideosrc`
+ drop all buffers that have been captured without an input signal. The
+ `"skip-first-time"` property will make the source drop the first few
+ buffers, which is handy since some devices will at first output buffers
+ with the wrong resolution before they manage to figure out the right input
+ format and decide on the actual output caps.
+
+ - `decklinkaudiosrc` supports more than just 2 audio channels now.
+
+ - The capture sources no longer use the "hardware" timestamps which turn
+ out to be useless and instead just use the pipeline clock directly.
+
+- `srtpdec` now also has a readonly `"stats"` property, just like `srtpenc`.
+
+- `rtpbin` gained RTP bundle support, as used by e.g. WebRTC. The first
+ rtpsession will have a `rtpssrcdemux` element inside splitting the streams
+ based on their SSRC and potentially dispatch to a different rtpsession.
+ Because retransmission SSRCs need to be merged with the corresponding media
+ stream the `::on-bundled-ssrc` signal is emitted on `rtpbin` so that the
+ application can find out to which session the SSRC belongs.
+
+- `rtprtxqueue` gained two new properties exposing retransmission
+ statistics (`"requests"` and `"fulfilled-requests"`)
+
+- `kmssink` will now use the preferred mode for the monitor and render to the
+ base plane if nothing else has set a mode yet. This can also be done forcibly
+ in any case via the new `"force-modesetting"` property. Furthermore, `kmssink`
+ now allows only the supported connector resolutions as input caps in order to
+ avoid scaling or positioning of the input stream, as `kmssink` can't know
+ whether scaling or positioning would be more appropriate for the use case at
+ hand.
+
+- `waylandsink` can now take DMAbuf buffers as input in the presence
+ of a compatible Wayland compositor. This enables zero-copy transfer
+ from a decoder or source that outputs DMAbuf.
+
+- `udpsrc` can be bound to more than one interface when joining a
+ multicast group, this is done by giving a comma separate list of
+ interfaces such as multicast-iface="eth0,eth1".
+
+### Plugin moves
+
+- `dataurisrc` moved from gst-plugins-bad to core
+
+- The `rawparse` plugin containing the `rawaudioparse` and `rawvideoparse`
+ elements moved from gst-plugins-bad to gst-plugins-base. These elements
+ supersede the old `videoparse` and `audioparse` elements. They work the
+ same, with just some minor API changes. The old legacy elements still
+ exist in gst-plugins-bad, but may be removed at some point in the future.
+
+- `timecodestamper` is an element that attaches time codes to video buffers
+ in form of `GstVideoTimeCodeMeta`s. It had a `"clock-source"` property
+ which has now been removed because it was fairly useless in practice. It
+ gained some new properties however: the `"first-timecode"` property can
+ be used to set the inital timecode; alternatively `"first-timecode-to-now"`
+ can be set, and then the current system time at the time the first buffer
+ arrives is used as base time for the time codes.
+
+
+### Plugin removals
+
+- The `mad` mp1/mp2/mp3 decoder plugin was removed from gst-plugins-ugly,
+ as libmad is GPL licensed, has been unmaintained for a very long time, and
+ there are better alternatives available. Use the `mpg123audiodec` element
+ from the `mpg123` plugin in gst-plugins-ugly instead, or `avdec_mp3` from
+ the `gst-libav` module which wraps the ffmpeg library. We expect that we
+ will be able to move mp3 decoding to gst-plugins-good in the next cycle
+ seeing that most patents around mp3 have expired recently or are about to
+ expire.
+
+- The `mimic` plugin was removed from gst-plugins-bad. It contained a decoder
+ and encoder for a video codec used by MSN messenger many many years ago (in
+ a galaxy far far away). The underlying library is unmaintained and no one
+ really needs to use this codec any more. Recorded videos can still be played
+ back with the MIMIC decoder in gst-libav.
+
+## Miscellaneous API additions
+
+- Request pad name templates passed to `gst_element_request_pad()` may now
+ contain multiple specifiers, such as e.g. `src_%u_%u`.
+
+- [`gst_buffer_iterate_meta_filtered()`][buffer-iterate-meta-filtered] is a
+ variant of `gst_buffer_iterate_meta()` that only returns metas of the
+ requested type and skips all other metas.
+
+- [`gst_pad_task_get_state()`][pad-task-get-state] gets the current state of
+ a task in a thread-safe way.
+
+- [`gst_uri_get_media_fragment_table()`][uri-get-fragment-table] provides the
+ media fragments of an URI as a table of key=value pairs.
+
+- [`gst_print()`][print], [`gst_println()`][println], [`gst_printerr()`][printerr],
+ and [`gst_printerrln()`][printerrln] can be used to print to stdout or stderr.
+ These functions are similar to `g_print()` and `g_printerr()` but they also
+ support all the additional format specifiers provided by the GStreamer
+ logging system, such as e.g. `GST_PTR_FORMAT`.
+
+- a `GstParamSpecArray` has been added, for elements who want to have array
+ type properties, such as the `audiomixmatrix` element for example. There are
+ also two new functions to set and get properties of this type from bindings:
+ - gst_util_set_object_array()
+ - gst_util_get_object_array()
+
+- various helper functions have been added to make it easier to set or get
+ GstStructure fields containing caps-style array or list fields from language
+ bindings (which usually support GValueArray but don't know about the GStreamer
+ specific fundamental types):
+ - [`gst_structure_get_array()`][get-array]
+ - [`gst_structure_set_array()`][set-array]
+ - [`gst_structure_get_list()`][get-list]
+ - [`gst_structure_set_list()`][set-list]
+
+- a new ['dynamic type' registry factory type][dynamic-type] was added to
+ register dynamically loadable GType types. This is useful for automatically
+ loading enum/flags types that are used in caps, such as for example the
+ `GstVideoMultiviewFlagsSet` type used in multiview video caps.
+
+- there is a new [`GstProxyControlBinding`][proxy-control-binding] for use
+ with GstController. This allows proxying the control interface from one
+ property on one GstObject to another property (of the same type) in another
+ GstObject. So e.g. in parent-child relationship, one may need to call
+ `gst_object_sync_values()` on the child and have a binding (set elsewhere)
+ on the parent update the value. This is used in `glvideomixer` and `glsinkbin`
+ for example, where `sync_values()` on the child pad or element will call
+ `sync_values()` on the exposed bin pad or element.
+
+ Note that this doesn't solve GObject property forwarding, that must
+ be taken care of by the implementation manually or using GBinding.
+
+- `gst_base_parse_drain()` has been made public for subclasses to use.
+
+- `gst_base_sink_set_drop_out_of_segment()' can be used by subclasses to
+ prevent GstBaseSink from dropping buffers that fall outside of the segment.
+
+- [`gst_calculate_linear_regression()`][calc-lin-regression] is a new utility
+ function to calculate a linear regression.
+
+- [`gst_debug_get_stack_trace`][get-stack-trace] is an easy way to retrieve a
+ stack trace, which can be useful in tracer plugins.
+
+- allocators: the dmabuf allocator is now sub-classable, and there is a new
+ `GST_CAPS_FEATURE_MEMORY_DMABUF` define.
+
+- video decoder subclasses can use the newly-added function
+ `gst_video_decoder_allocate_output_frame_with_params()` to
+ pass a `GstBufferPoolAcquireParams` to the buffer pool for
+ each buffer allocation.
+
+- the video time code API has gained a dedicated [`GstVideoTimeCodeInterval`][timecode-interval]
+ type plus related API, including functions to add intervals to timecodes.
+
+- There is a new `libgstbadallocators-1.0` library in gst-plugins-bad, which
+ may go away again in future releases once the `GstPhysMemoryAllocator`
+ interface API has been validated by more users and was moved to
+ `libgstallocators-1.0` from gst-plugins-base.
+
+[timecode-interval]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideo.html#gst-video-time-code-interval-new
+[buffer-iterate-meta-filtered]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstBuffer.html#gst-buffer-iterate-meta-filtered
+[pad-task-get-state]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-task-get-state
+[uri-get-fragment-table]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstUri.html#gst-uri-get-media-fragment-table
+[print]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html#gst-print
+[println]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html#gst-println
+[printerr]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html#gst-printerr
+[printerrln]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstInfo.html#gst-printerrln
+[get-array]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html#gst-structure-get-array
+[set-array]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html#gst-structure-set-array
+[get-list]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html#gst-structure-get-list
+[set-list]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstStructure.html#gst-structure-set-list
+[dynamic-type]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstDynamicTypeFactory.html
+[proxy-control-binding]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/gstreamer-libs-GstProxyControlBinding.html
+[calc-lin-regression]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstUtils.html#gst-calculate-linear-regression
+[get-stack-trace]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstUtils.html#gst-debug-get-stack-trace
+
+### GstPlayer
+
+New API has been added to:
+
+ - get the number of audio/video/subtitle streams:
+ - `gst_player_media_info_get_number_of_streams()`
+ - `gst_player_media_info_get_number_of_video_streams()`
+ - `gst_player_media_info_get_number_of_audio_streams()`
+ - `gst_player_media_info_get_number_of_subtitle_streams()`
+
+ - enable accurate seeking: `gst_player_config_set_seek_accurate()`
+ and `gst_player_config_get_seek_accurate()`
+
+ - get a snapshot image of the video in RGBx, BGRx, JPEG, PNG or
+ native format: [`gst_player_get_video_snapshot()`][snapshot]
+
+ - selecting use of a specific video sink element
+ ([`gst_player_video_overlay_video_renderer_new_with_sink()`][renderer-with-vsink])
+
+ - If the environment variable `GST_PLAYER_USE_PLAYBIN3` is set, GstPlayer will
+ use the still-experimental `playbin3` element and the `GstStreams` API for
+ playback.
+
+[snapshot]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-libs/html/gst-plugins-bad-libs-gstplayer.html#gst-player-get-video-snapshot
+[renderer-with-vsink]: https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-libs/html/gst-plugins-bad-libs-gstplayer-videooverlayvideorenderer.html#gst-player-video-overlay-video-renderer-new-with-sink
+
+## Miscellaneous changes
+
+- video caps for interlaced video may contain an optional `"field-order"` field
+ now in the case of `interlaced-mode=interleaved` to signal that the field
+ order is always the same throughout the stream. This is useful to signal to
+ muxers such as mp4mux. The new field is parsed from/to `GstVideoInfo` of course.
+
+- video decoder and video encoder base classes try harder to proxy
+ interlacing, colorimetry and chroma-site related fields in caps properly.
+
+- The buffer stored in the `PROTECTION` events is now left unchanged. This is a
+ change of behaviour since 1.8, especially for the mssdemux element which used to
+ decode the base64 parsed data wrapped in the protection events emitted by the
+ demuxer.
+
+- `PROTECTION` events can now be injected into the pipeline from the application;
+ source elements deriving from GstBaseSrc will forward those downstream now.
+
+- The DASH demuxer is now correctly parsing the MSPR-2.0 ContentProtection nodes
+ and emits Protection events accordingly. Applications relying on those events
+ might need to decode the base64 data stored in the event buffer before using it.
+
+- The registry can now also be disabled by setting the environment variable
+ `GST_REGISTRY_DISABLE=yes`, with similar effect as the `GST_DISABLE_REGISTRY`
+ compile time switch.
+
+- Seeking performance with gstreamer-vaapi based decoders was improved. It would
+ recreate the decoder and surfaces on every seek which can be quite slow.
+
+- more robust handling of input caps changes in videoaggregator-based elements
+ such as `compositor`.
+
+- Lots of adaptive streaming-related fixes across the board (DASH, MSS, HLS). Also:
+
+ - `mssdemux`, the Microsoft Smooth Streaming demuxer, has seen various
+ fixes for live streams, duration reporting and seeking.
+
+ - The DASH manifest parser now extracts MS PlayReady ContentProtection objects
+ from manifests and sends them downstream as `PROTECTION` events. It also
+ supports multiple Period elements in external xml now.
+
+- gst-libav was updated to ffmpeg 3.3 but should still work with any 3.x
+ version.
+
+- GstEncodingProfile has been generally enhanced so it can, for
+ example, be used to get possible profiles for a given file
+ extension. It is now possible to define profiles based on element
+ factory names or using a path to a `.gep` file containing a
+ serialized profile.
+
+- `audioconvert` can now do endianness conversion in-place. All other
+ conversions still require a copy, but e.g. sign conversion and a few others
+ could also be implemented in-place now.
+
+- The new, experimental `playbin3` and `urisourcebin` elements got many
+ bugfixes and improvements and should generally be closer to a full
+ replacement of the old elements.
+
+- `interleave` now supports > 64 channels.
+
+### OpenGL integration
+
+- As usual the GStreamer OpenGL integration library has seen numerous
+ fixes and performance improvements all over the place, and is hopefully
+ ready now to become API stable and be moved to gst-plugins-base during the
+ 1.14 release cycle.
+
+- The GStreamer OpenGL integration layer has also gained support for the
+ Vivante EGL FB windowing system, which improves performance on platforms
+ such as Freescale iMX.6 for those who are stuck with the proprietary driver.
+ The `qmlglsink` element also supports this now if Qt is used with eglfs or
+ wayland backend, and it works in conjunction with [gstreamer-imx][gstreamer-imx]
+ of course.
+
+- various `qmlglsrc` improvements
+
+[gstreamer-imx]: https://github.com/Freescale/gstreamer-imx
+
+## Tracing framework and debugging improvements
+
+- New tracing hooks have been added to track GstMiniObject and GstObject
+ ref/unref operations.
+
+- The memory leaks tracer can optionally use this to retrieve stack traces if
+ enabled with e.g. `GST_TRACERS=leaks(filters="GstEvent,GstMessage",stack-traces-flags=full)`
+
+- The `GST_DEBUG_FILE` environment variable, which can be used to write the
+ debug log output to a file instead of printing it to stderr, can now contain
+ a name pattern, which is useful for automated testing and continuous
+ integration systems. The following format specifiers are supported:
+
+ - `%p`: will be replaced with the PID
+ - `%r`: will be replaced with a random number, which is useful for instance
+ when running two processes with the same PID but in different containers.
+
+## Tools
+
+- `gst-inspect-1.0` can now list elements by type with the new `--types`
+ command-line option, e.g. `gst-inspect-1.0 --types=Audio/Encoder` will
+ show a list of audio encoders.
+
+- `gst-launch-1.0` and `gst_parse_launch()` have gained a new operator (`:`)
+ that allows linking all pads between two elements. This is useful in cases
+ where the exact number of pads or type of pads is not known beforehand, such
+ as in the `uridecodebin : encodebin` scenario, for example. In this case,
+ multiple links will be created if the encodebin has multiple profiles
+ compatible with the output of uridecodebin.
+
+- `gst-device-monitor-1.0` now shows a `gst-launch-1.0` snippet for each
+ device that shows how to make use of it in a `gst-launch-1.0` pipeline string.
+
+## GStreamer RTSP server
+
+- The RTSP server now also supports Digest authentication in addition to Basic
+ authentication.
+
+- The `GstRTSPClient` class has gained a `pre-*-request` signal and virtual
+ method for each client request type, emitted in the beginning of each rtsp
+ request. These signals or virtual methods let the application validate the
+ requests, configure the media/stream in a certain way and also generate error
+ status codes in case of an error or a bad request.
+
+## GStreamer VAAPI
+
+- GstVaapiDisplay now inherits from GstObject, thus the VA display logging
+ messages are better and tracing the context sharing is more readable.
+
+- When uploading raw images into a VA surfaces now VADeriveImages are tried
+ fist, improving the upload performance, if it is possible.
+
+- The decoders and the post-processor now can push dmabuf-based buffers to
+ downstream under certain conditions. For example:
+
+ `GST_GL_PLATFORM=egl gst-play-1.0 video-sample.mkv --videosink=glimagesink`
+
+- Refactored the wrapping of VA surface into gstreamer memory, adding lock
+ when mapping and unmapping, and many other fixes.
+
+- Now `vaapidecodebin` loads `vaapipostproc` dynamically. It is possible to
+ avoid it usage with the environment variable `GST_VAAPI_DISABLE_VPP=1`.
+
+- Regarding encoders: they have primary rank again, since they can discover,
+ in run-time, the color formats they can use for upstream raw buffers and
+ caps renegotiation is now possible. Also the encoders push encoding info
+ downstream via tags.
+
+- About specific encoders: added constant bit-rate encoding mode for VP8 and
+ H265 encoder handles P010_10LE color format.
+
+- Regarding decoders, flush operation has been improved, now the internal VA
+ encoder is not recreated at each flush. Also there are several improvements
+ in the handling of H264 and H265 streams.
+
+- VAAPI plugins try to create their on GstGL context (when available) if they
+ cannot find it in the pipeline, to figure out what type of VA Display they
+ should create.
+
+- Regarding `vaapisink` for X11, if the backend reports that it is unable to
+ render correctly the current color format, an internal VA post-processor, is
+ instantiated (if available) and converts the color format.
+
+## GStreamer Editing Services and NLE
+
+- Enhanced auto transition behaviour
+
+- Fix some races in `nlecomposition`
+
+- Allow building with msvc
+
+- Added a UNIX manpage for `ges-launch`
+
+- API changes:
+ - Added ges_deinit (allowing the leak tracer to work properly)
+ - Added ges_layer_get_clips_in_interval
+ - Finally hide internal symbols that should never have been exposed
+
+## GStreamer validate
+
+- Port `gst-validate-launcher` to python 3
+
+- `gst-validate-launcher` now checks if blacklisted bugs have been fixed on
+ bugzilla and errors out if it is the case
+
+- Allow building with msvc
+
+- Add ability for the launcher to run GStreamer unit tests
+
+- Added a way to activate the leaks tracer on our tests and fix leaks
+
+- Make the http server multithreaded
+
+- New testsuite for running various test scenarios on the DASH-IF test vectors
+
+## Build and Dependencies
+
+- Meson build files are now disted in tarballs, for jhbuild and so distro
+ packagers can start using it. Note that the Meson-based build system is not
+ 100% feature-equivalent with the autotools-based one yet.
+
+- Some plugin filenames have been changed to match the plugin names: for example
+ the file name of the `encoding` plugin in gst-plugins-base containing the
+ `encodebin` element was `libgstencodebin.so` and has been changed to
+ `libgstencodebin.so`. This affects only a handful of plugins across modules.
+
+ **Developers who install GStreamer from source and just do `make install`**
+ **after updating the source code, without doing `make uninstall` first, will**
+ **have to manually remove the old installed plugin files from the installation**
+ **prefix, or they will get 'Cannot register existing type' critical warnings.**
+
+- Most of the docbook-based documentation (FAQ, Application Development Manual,
+ Plugin Writer's Guide, design documents) has been converted to markdown and
+ moved into a new gst-docs module. The gtk-doc library API references and
+ the plugins documentation are still built as part of the source modules though.
+
+- GStreamer core now optionally uses libunwind and libdw to generate backtraces.
+ This is useful for tracer plugins used during debugging and development.
+
+- There is a new `libgstbadallocators-1.0` library in gst-plugins-bad (which
+ may go away again in future releases once the `GstPhysMemoryAllocator`
+ interface API has been validated by more users).
+
+- `gst-omx` and `gstreamer-vaapi` modules can now also be built using the
+ Meson build system.
+
+- The `qtkitvideosrc` element for macOS was removed. The API is deprecated
+ since 10.9 and it wasn't shipped in the binaries since a few releases.
+
+## Platform-specific improvements
+
+### Android
+
+- androidmedia: add support for VP9 video decoding/encoding and Opus audio
+ decoding (where supported)
+
+### OS/X and iOS
+
+- `avfvideosrc`, which represents an iPhone camera or, on a Mac, a screencapture
+ session, so far allowed you to select an input device by device index only.
+ New API adds the ability to select the position (front or back facing) and
+ device-type (wide angle, telephoto, etc.). Furthermore, you can now also
+ specify the orientation (portrait, landscape, etc.) of the videostream.
+
+### Windows
+
+- `dx9screencapsrc` can now optionally also capture the cursor.
+
+## Contributors
+
+Aleix Conchillo Flaque, Alejandro G. Castro, Aleksandr Slobodeniuk, Alexandru
+Băluț, Alex Ashley, Andre McCurdy, Andrew, Anton Eliasson, Antonio Ospite,
+Arnaud Vrac, Arun Raghavan, Aurélien Zanelli, Axel Menzel, Benjamin Otte,
+Branko Subasic, Brendan Shanks, Carl Karsten, Carlos Rafael Giani, ChangBok
+Chae, Chris Bass, Christian Schaller, christophecvr, Claudio Saavedra,
+Corentin Noël, Dag Gullberg, Daniel Garbanzo, Daniel Shahaf, David Evans,
+David Schleef, David Warman, Dominique Leuenberger, Dongil Park, Douglas
+Bagnall, Edgard Lima, Edward Hervey, Emeric Grange, Enrico Jorns, Enrique
+Ocaña González, Evan Nemerson, Fabian Orccon, Fabien Dessenne, Fabrice Bellet,
+Florent Thiéry, Florian Zwoch, Francisco Velazquez, Frédéric Dalleau, Garima
+Gaur, Gaurav Gupta, George Kiagiadakis, Georg Lippitsch, Göran Jönsson, Graham
+Leggett, Guillaume Desmottes, Gurkirpal Singh, Haihua Hu, Hanno Boeck, Havard
+Graff, Heekyoung Seo, hoonhee.lee, Hyunjun Ko, Imre Eörs, Iñaki García
+Etxebarria, Jagadish, Jagyum Koo, Jan Alexander Steffens (heftig), Jan
+Schmidt, Jean-Christophe Trotin, Jochen Henneberg, Jonas Holmberg, Joris
+Valette, Josep Torra, Juan Pablo Ugarte, Julien Isorce, Jürgen Sachs, Koop
+Mast, Kseniia Vasilchuk, Lars Wendler, leigh123linux@googlemail.com, Luis de
+Bethencourt, Lyon Wang, Marcin Kolny, Marinus Schraal, Mark Nauwelaerts,
+Mathieu Duponchelle, Matthew Waters, Matt Staples, Michael Dutka, Michael
+Olbrich, Michael Smith, Michael Tretter, Miguel París Díaz, namanyadav12, Neha
+Arora, Nick Kallen, Nicola Murino, Nicolas Dechesne, Nicolas Dufresne, Nicolas
+Huet, Nirbheek Chauhan, Ole André Vadla Ravnås, Olivier Crête, Patricia
+Muscalu, Peter Korsgaard, Peter Seiderer, Petr Kulhavy, Philippe Normand,
+Philippe Renon, Philipp Zabel, Rahul Bedarkar, Reynaldo H. Verdejo Pinochet,
+Ricardo Ribalda Delgado, Rico Tzschichholz, Руслан Ижбулатов, Samuel Maroy,
+Santiago Carot-Nemesio, Scott D Phillips, Sean DuBois, Sebastian Dröge, Sergey
+Borovkov, Seungha Yang, shakin chou, Song Bing, Søren Juul, Sreerenj
+Balachandran, Stefan Kost, Stefan Sauer, Stepan Salenikovich, Stian Selnes,
+Stuart Weaver, suhas2go, Thiago Santos, Thibault Saunier, Thomas Bluemel,
+Thomas Petazzoni, Tim-Philipp Müller, Ting-Wei Lan, Tobias Mueller, Todor
+Tomov, Tomasz Zajac, Ulf Olsson, Ursula Maplehurst, Víctor Manuel Jáquez Leal,
+Victor Toso, Vincent Penquerc'h, Vineeth TM, Vinod Kesti, Vitor Massaru Iha,
+Vivia Nikolaidou, WeiChungChang, William Manley, Wim Taymans, Wojciech
+Przybyl, Wonchul Lee, Xavier Claessens, Yasushi SHOJI
+
+... and many others who have contributed bug reports, translations, sent
+suggestions or helped testing.
+
+## Bugs fixed in 1.12
+
+More than [635 bugs][bugs-fixed-in-1.12] have been fixed during
+the development of 1.12.
+
+This list does not include issues that have been cherry-picked into the
+stable 1.10 branch and fixed there as well, all fixes that ended up in the
+1.10 branch are also included in 1.12.
+
+This list also does not include issues that have been fixed without a bug
+report in bugzilla, so the actual number of fixes is much higher.
+
+[bugs-fixed-in-1.12]: https://bugzilla.gnome.org/buglist.cgi?bug_status=RESOLVED&bug_status=VERIFIED&classification=Platform&limit=0&list_id=213265&order=bug_id&product=GStreamer&query_format=advanced&resolution=FIXED&target_milestone=1.10.1&target_milestone=1.10.2&target_milestone=1.10.3&target_milestone=1.10.4&target_milestone=1.11.1&target_milestone=1.11.2&target_milestone=1.11.3&target_milestone=1.11.4&target_milestone=1.11.90&target_milestone=1.11.91&target_milestone=1.12.0
+
+## Stable 1.12 branch
+
+After the 1.12.0 release there will be several 1.12.x bug-fix releases which
+will contain bug fixes which have been deemed suitable for a stable branch,
+but no new features or intrusive changes will be added to a bug-fix release
+usually. The 1.12.x bug-fix releases will be made from the git 1.12 branch, which
+is a stable branch.
+
+### 1.12.0
+
+1.12.0 was released on 4th May 2017.
+
+## Known Issues
+
+- The `webrtcdsp` element is currently not shipped as part of the Windows
+ binary packages due to a [build system issue][bug-770264].
+
+[bug-770264]: https://bugzilla.gnome.org/show_bug.cgi?id=770264
+
+## Schedule for 1.14
+
+Our next major feature release will be 1.14, and 1.11 will be the unstable
+development version leading up to the stable 1.12 release. The development
+of 1.13/1.14 will happen in the git master branch.
+
+The plan for the 1.14 development cycle is yet to be confirmed, but it is
+expected that feature freeze will be around September 2017
+followed by several 1.13 pre-releases and the new 1.14 stable release
+in October.
+
+1.14 will be backwards-compatible to the stable 1.12, 1.10, 1.8, 1.6, 1.4,
+1.2 and 1.0 release series.
+
+- - -
+
+*These release notes have been prepared by Sebastian Dröge, Tim-Philipp Müller
+and Víctor Manuel Jáquez Leal.*
+
+*License: [CC BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/)*