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Release notes for GStreamer Base Plug-ins 0.10.33 "Relaxing Distractions"

The GStreamer team is proud to announce a new release in the 0.10.x stable series of the GStreamer Base Plug-ins.

The 0.10.x series is a stable series targeted at end users. It is not API or ABI compatible with the stable 0.8.x series. It is, however, parallel installable with the 0.8.x series.

This module contains a set of reference plugins, base classes for other plugins, and helper libraries. This module is kept up-to-date together with the core developments. Element writers should look at the elements in this module as a reference for their development. This module contains elements for, among others:

  • device plugins: x(v)imagesink, alsa, v4lsrc, cdparanoia
  • containers: ogg
  • codecs: vorbis, theora
  • text: textoverlay, subparse
  • sources: audiotestsrc, videotestsrc, gnomevfssrc, giosrc
  • network: tcp
  • typefind functions
  • audio processing: audioconvert, adder, audiorate, audioresample, volume
  • visualisation: libvisual
  • video processing: ffmpegcolorspace
  • aggregate elements: uridecodebin, playbin2, decodebin2, decodebin, playbin, encodebin
  • libraries: app, audio, cdda, fft, interfaces, netbuffer, pbutils, riff, rtp, rtsp, sdp, tag, video
Other modules containing plug-ins are:
gst-plugins-good
contains a set of well-supported plug-ins under our preferred license
gst-plugins-ugly
contains a set of well-supported plug-ins, but might pose problems for distributors
gst-plugins-bad
contains a set of less supported plug-ins that haven't passed the rigorous quality testing we expect

Features of this release

  • audioringbuffer: make sure to not start if the may_start flag is FALSE
  • baseaudiosink: arrange for running clock when rendering eos
  • baseaudiosink: don't allow aligning behind the read-segment
  • baseaudiosink: start ringbuffer upon going to PLAYING and already EOS
  • riff: Add support for video/x-camstudio
  • rtcpbuffer: fix invalid read in validation of padding in rtcp packet
  • rtcpbuffer: Round to next 32bit word, not current 32bit word at end of SDES chunk
  • rtpbuffer: Off-by-one error when creating RTP header extensions with a two-byte header
  • rtsptransport: ensure valid int result when parsing ranges
  • tag: map the ID3v2 TENC frame to GST_TAG_ENCODED_BY
  • tag: add GST_TAG_CAPTURING_EXPOSURE_COMPENSATION incl. EXIF/XMP mappings
  • tag: add a new GstTagXmpWriter interface to select XMP schemas to be used
  • tagdemux: also push cached events downstream when operating in pull mode
  • video: add GST_VIDEO_BUFFER_PROGRESSIVE flag
  • video: add ARGB64 and AYUV64 (16 bits per channel) formats
  • video: add r210 (10 bits per channel) format
  • video: add gst_video_format_get_component_depth() and _new_template_caps()
  • video: fix creation of grayscale caps and height calculation for YUV9/YVU9
  • appsink: emit "new-buffer-list" signal for buffer lists if handled by app
  • audiorate: add "skip-to-first" property
  • decodebin2: don't use the same parser element multiple times in the same chain
  • decodebin2: improve detection of raw caps in expose-all-streams=false mode
  • discoverer: don't wait for subtitle streams to preroll; leak fixes
  • discoverer: use nominal bitrate if bitrate tag is unavailable
  • encodebin: add an audioconvert after the audio resampler
  • encodebin: fix refcounting issues and leaks related to request pads
  • encodebin: return a new reference of the pad for the "request-pad" signal
  • encodebin: set all elements to NULL and remove them from the bin when removing a source group
  • encodebin: tear down old profiles when setting new ones
  • multifdsink: disconnect inactive clients in the select loop too
  • oggmux: prefer headers from caps to determine stream type (for VP8)
  • oggmux: fix issue with ogg page numbering and discont flag handling
  • oggmux: ensure stream serial numbers are unique
  • oggmux: use running time for muxing instead of timestamps
  • oggparse: better detection of delta unit flag
  • playbin2, uridecodebin: add "source-setup" signal
  • playbin2: always prefer the custom set sink and also set it back to NULL in all cases
  • playbin2: check if an already existing sink supports the non-raw format too
  • playbin2: fix handling of non-raw custom sinks
  • playbin2: if a sink claims to support ANY caps assume that it only supports the usual raw formats
  • playbin2: only consider the audio/video sinks in autoplug_continue for the normal uridecodebin
  • playbin2: use gst_pad_accept_caps() instead of intersecting with the getcaps caps
  • playbin2: set sinks to READY before checking if it accept caps
  • textoverlay: add support for ARGB and other RGB alpha variants, and xBGR and RGBx
  • textoverlay: add support for vertical center alignment
  • textoverlay: converted AYUV to use 'A OVER B' alpha compositing
  • textoverlay: use a class wide mutex to work around pango reentrance issues
  • theoraenc: don't reset the video quality when setting the bitrate
  • theoraenc: allow adjustment of the speed level while running
  • theoraenc: set speed-level property defaults from libtheora's defaults
  • typefinding: MPEG-TS detection fixes
  • typefinding: detect HTTP live streaming m3u8 playlists
  • typefinding: detect windows icon files and DEGAS images (to avoid false positives)
  • typefinding: detect raw h.263
  • typefinding: add depth and endianness fields to DTS caps
  • uridecodebin: Add default handler for autoplug-select
  • uridecodebin: add https:// to protocols for which to enable buffering
  • uridecodebin: expose "autoplug-sort" signal
  • uridecodebin: post proper error message if decodebin2/typefind elements are missing
  • uridecodebin: Return NULL from the default autoplug-sort handler
  • videorate: fix "skip-to-first" timestamp setup
  • videoscale: add 16-bit-channel support (ARGB64, AYUV64), fix ARGB bilinear scaling
  • videotestsrc: add 16-bit-per-channel support (ARGB64, AYUV64)
  • vorbis: add support for using tremolo on android
  • vorbistag: Add support for METADATA_BLOCK_PICTURE tags
  • vorbistag: Write GST_TAG_IMAGE and GST_TAG_PREVIEW_IMAGE as METADATA_BLOCK_PICTURE
  • win32: fix DEFAULT_AUDIOSINK, should be direct*sound*sink
  • xvimagesink: don't paint the window black when going to NULL

Bugs fixed in this release

  • 618516 : [typefinding] need raw H.263 typefinder
  • 619778 : oggdemux: fails on zero-length pages with Patent_Absurdity_HD_3540kbit.ogv
  • 633837 : videoscale: invalid reads after conversion to orc linear scaling
  • 412678 : random segfaults or memory corruptions with multiple textoverlays (pango not reentrant)
  • 620364 : [typefinding] .ico file detected as AAC
  • 625129 : typefinding: file incorrectly detected as audio/x-dts
  • 626152 : [playbin2] add " source-setup " signal
  • 627268 : [tag] add GST_TAG_ENCODED_BY and map id3v2 TENC frame
  • 629196 : oggmux: re-tagging an Ogg Vorbis file may corrupt audio data
  • 632291 : discoverer: sparse tracks cause prerolling to hang till timeout
  • 632889 : [multifdsink] [PATCH] Disconnect inactive clients in the select loop too
  • 635669 : [vorbistag] Support METADATA_BLOCK_PICTURE for Vorbis cover art
  • 635784 : ringbuffer: make sure to not start if the may_start flag is FALSE
  • 635800 : xvimagesink flashes black when going from READY_TO_NULL
  • 636886 : baseaudiosink: no running clock when eos leads to hang in PLAYING
  • 639136 : [oggparse]code is not safe when using libogg fuctions
  • 639159 : [textoverloay] Add vertical center alignment option
  • 639237 : textoverlay: patch to use " A OVER B " alpha compositing
  • 639744 : [oggdemux] Removing dead code:
  • 640189 : oggmux: cleanup
  • 640211 : oggmux: ensure serialnos are unique
  • 640607 : appsink never sends " new-buffer-list " signal
  • 640709 : [typefindfunctions] h264 typefinder registered with MPEG_VIDEO_CAPS
  • 640804 : checks: encodebin test fails if theora or vorbis plugins are not available
  • 641706 : discoverer: Keep references on discoverer objects for callbacks
  • 641860 : discoverer: Use nominal bitrate if bitrate tag is unavailable
  • 641917 : [gdppay] Ensure buffer's medata is writeable before setting it
  • 641927 : [encodebin] refcount issue with the " request-pad " signal
  • 641952 : [videoscale] assertion on fixate_caps
  • 642174 : Playbin2 cannot work with non-raw custom sinks
  • 642232 : theoraenc sets Video quality to zero when explicitely setting the bitrate to 0
  • 642274 : [playbin2] arbitrary audio-sink is chosen even though explicitely having set a custom audio-sink bin
  • 642381 : potential memleak in decodebin2
  • 642466 : playbin2: after replacing a video sink with the pipeline in NULL state I still get the old one
  • 642720 : audiotestsrc: pipelines with multiple instances with wave=gaussian-noise, white-noise, or pink-noise are very slow
  • 642942 : adder: offset_end field of outgoing buffers is set to GST_BUFFER_OFFSET_NONE
  • 642949 : pbutils: encoding-target: chaining error object in loading target from file may cause crash if there is no error
  • 643775 : [oggmux] use running time instead of timestamps
  • 644416 : [encodebin] Cannot be reused
  • 644745 : [oggmux] Fails to mux Speex content, doesn't preroll
  • 644845 : [alsa] Comparison of unsigned int < 0 always false in gstalsamixer.c
  • 644996 : libsABI check doesn't depend only on architecture
  • 645167 : [xmp] Add a new XmpConfig interface
  • 645437 : encoding-profile: Fix syntax in Example: Creating a profile
  • 646570 : baseaudiosink: don't allow aligning behind the read-segment
  • 646572 : baseaudiosrc: protect against ringbuffer disappearing while in a query
  • 646573 : baseaudiosrc: Add src object lock around call to ringbuffer parse caps
  • 646575 : rtcpbuffer: Round to next 32bit word, not current 32bit word at end of SDES chunk
  • 646576 : rtcpbuffer: fix invalid read in validation of padding in rtcp packet
  • 646923 : video: Remove unused variable
  • 646924 : rtp: Remove unused variables
  • 646925 : encoding-profile: Remove unused variables
  • 646952 : Fix the strlol return type mismatch :
  • 647399 : Bad typo in ID3 tags: psychadelic - > psychedelic
  • 647721 : Remove excessive checking for video.c
  • 647781 : [playbin2] missing shutdown steps and inconsistent error behaviour
  • 647856 : [oggmux] Assumes that the first buffer can be used to detect the stream type
  • 647857 : [xvimagesink/ximagesink] Handle NULL caps in buffer_alloc()
  • 647942 : [pango] Use different Pango contexts for the different subclasses
  • 647943 : [pango] Class global pango mutex not always used
  • 648459 : tag: exif: register common tags from tag library
  • 648466 : Ogg to LPCM transcoding fails
  • 648548 : videoscale broken with orc 0.4.13
  • 642667 : [playbin2] autoplug-factories code does not do what it claims to do
  • 642732 : [playbin2] sinks set to READY after activating groups causes bad autoplug-continue decisions
  • 646744 : libgsttag: Minor issues building gst-plugins-base with MS compiler
  • 647294 : gst-plugins-base doesn't compile with GCC 4.6

API changes

  • API additions
    • gst_tag_list_to_xmp_buffer_full()
    • gst_tag_xmp_list_schemas()
    • gst_tag_xmp_writer_add_all_schemas()
    • gst_tag_xmp_writer_add_schema()
    • gst_tag_xmp_writer_get_type()
    • gst_tag_xmp_writer_has_schema()
    • gst_tag_xmp_writer_remove_all_schemas()
    • gst_tag_xmp_writer_remove_schema()
    • gst_tag_xmp_writer_tag_list_to_xmp_buffer()
    • GST_TAG_CAPTURING_EXPOSURE_COMPENSATION
    • gst_video_format_get_component_depth()
    • gst_video_format_new_template_caps()

Download

You can find source releases of gst-plugins-base in the gst-plugins-base download directory.

The git repository and details how to clone it can be found at git.freedesktop.org .

Homepage

The project's website is https://gstreamer.freedesktop.org.

Support and Bugs

We use GNOME's bugzilla for bug reports and feature requests.

Please submit patches via bugzilla as well.

For help and support, please subscribe to and send questions to the gstreamer-devel mailing list (see below for details).

There is also a #gstreamer IRC channel on the Freenode IRC network.

Developers

Git is hosted on git.freedesktop.org. You can browse the gst-plugins-base repository.

All code is in Git and can be checked out from there.

Interested developers of the core library, plugins, and applications should subscribe to the gstreamer-devel list.

Applications

Contributors to this release

  • Akihiro Tsukada
  • Alessandro Decina
  • Andoni Morales Alastruey
  • Arun Raghavan
  • Bastien Nocera
  • Benjamin Otte
  • Blaise Gassend
  • Cai Yuanqing
  • Christian Fredrik Kalager Schaller
  • David Schleef
  • Edward Hervey
  • Felipe Contreras
  • Fraxinas
  • Haakon Sporsheim
  • Havard Graff
  • Håvard Graff
  • Josep Torra
  • Lane Brooks
  • Leo Singer
  • Luis de Bethencourt
  • Marc Plano-Lesay
  • Mark Nauwelaerts
  • Mart Raudsepp
  • Ole André Vadla Ravnås
  • Olivier Crête
  • Parthasarathi Susarla
  • Pascal Buhler
  • Philippe Normand
  • Ralph Giles
  • Robert Swain
  • Sebastian Dröge
  • Sjoerd Simons
  • Sreerenj Balachandran
  • Stefan Kost
  • Stian Johansen
  • Teemu Katajisto
  • Thiago Santos
  • Thibault Saunier
  • Tim-Philipp Müller
  • Trond Andersen
  • Vincent Penquerc'h
  • Víctor Manuel Jáquez Leal
  • Wim Taymans
  • Yang Xichuan
  • tskd2@yahoo.co.jp

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