RELEASE: GStreamer 0.10.33 "Prior Spaceflight Experience is an Advantage"

This mail announces the release of GStreamer 0.10.33 "Prior Spaceflight Experience is an Advantage".

GStreamer is a streaming media framework that allows the construction of
graphs of elements which operate on media data.

Applications using this library can do anything from real-time sound
processing over playing video to capturing audio, video, and even other
types of media data. Its architecture allows for adding new data types
or processing capabilities simply by installing new plug-ins.

GStreamer is the core module, containing libraries, headers, the basic
object hierarchy, and a set of media-agnostic core elements.

Highlights of this release:

  - new parser base class: GstBaseParse
  - new core element: funnel
  - OSX multi-arch fixes
  - new QoS type for QoS events
  - new progress message API to notify applications of asynchronous operations

For more information, see

To report bugs, request features or submit patches, please go to

Direct links:

MD5 sums (for tarballs downloaded from
f92052daf540c477d8785ef4dbbb85ef  gstreamer-0.10.33.tar.gz
fca0e4ca0dacb3c0372600bb27b6fe62  gstreamer-0.10.33.tar.bz2


Release notes for GStreamer 0.10.33 "Prior Spaceflight Experience is an Advantage"

The GStreamer team is proud to announce a new release
in the 0.10.x stable series of the
core of the GStreamer streaming media framework.

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.

The 0.10.x series has been reworked for threadsafety.  It also features
various feature additions and enhancements.

This module, gstreamer, only contains core functionality.
For actual media playback, you will need other modules.

contains a basic set of well-supported plug-ins
contains a set of well-supported plug-ins under our preferred license
contains a set of well-supported plug-ins, but might pose problems for
contains a set of less supported plug-ins that haven't passed the
    rigorous quality testing we expect


Features of this release
      * atomicqueue: add an atomic/lock-free queue structure based
      * bufferlist: improve _add*() performance
      * bus: in _add_watch() honour any per-thread default main context set via g_main_thread_push_thread_default()
      * caps: new gst_caps_intersect_full() to intersect in different modes
      * clock: add functions to re-init existing periodic GstClockIDs
      * event: add QoS type (overflow, underflow, throttle) for QoS events
      * ghostpad: The internally linked pad of the proxypad is the ghostpad
      * gstpoll: retry reading the control socket to release properly all wakeups
      * message: new progress message API for asynchronous operations
      * pad: unlock before freeing the pad cache to avoid deadlock
      * pad: better handling for when parent goes away during data/query/event flow
      * parse-launch: allow element names to begin with digits
      * pluginloader: call gst-plugin-scanner with the right arch on OSX, fixing hangs with firefox
      * registry: fixes elements (features) disappearing if a plugin or plugin file is renamed
      * structure: Add "(date)" as a type abbreviation of GDate
      * structure: Don't allow invalid GDates in all structures and don't allow NULL GDates in taglists
      * taglist: add a new "encoded-by" tag
      * uri: add gst_filename_to_uri() that takes relative filenames
      * utils: add gst_element_factory_can_{src|sink}_{any|all}_caps() to replace can_{sink,src}_caps()
      * baseparse: new GstBaseParse class for parsers
      * basesink: improve rate, duration, and average duration calculation
      * basesink: use new QoS types and add add "throttle-time" property
      * basesrc: Handle tag and custom downstream events the same
      * basesrc: keep downstream caps order when fixating, to honour downstream preferences when negotiating
      * basesrc: Return FALSE if we don't handle an event
      * basesrc: Send synchronized custom downstream/both events downstream from the streaming thread
      * basetransform: Be smarter with pad allocs
      * basetransform: Check for pad alloc caps when suggestion is not fixed
      * basetransform: Retain caps order when getting caps, to honour downstream preferences when negotiating
      * funnel: new N-to-1 pipe fitting element imported from farsight
      * fakesink: print buffer flags
      * filesink: Fix escaping of URIs
      * file{sink,src}: Check if non-URI characters are escaped, but only for the URI not the location property
      * filesrc, filesink: fix URI creation regression for non-absolute locations
      * filesrc: Fix escaping of file uris
      * inputselector: Hold the selector lock while reading properties of the active pad
      * inputselector: Make sure that EOS is always sent downstream for the active pad
      * inputselector: Return GST_FLOW_OK until the selected pad pushed something downstream
      * inputselector: Stop waiting for a pad switch when the pad is flushing
      * multiqueue: fix some potential corner-case deadlocks and some leaks
      * multiqueue: handle arbitrary sink + source pad naming
      * queue2: don't read beyond the end of file upstream in pull mode; leak fixes
      * plugins: make query and event functions more thread-safe, protect against parent-pad disappearing
      * gst-launch: add GstIndex support

Bugs fixed in this release
      * 642356 : [Index] review api and add an example
      * 402141 : gst_element_factory_can_{sink,src}_caps seems to be broken
      * 518857 : [API] GstBaseParse: new base class for parsers
      * 604094 : registry: do not remove features when removing a cached plugin that no longer is present
      * 615357 : [macosx] Handle multi-arch plugin-scanner
      * 617045 : [caps] New method for intersecting caps while retaining order
      * 639674 : parse-launch: improve parsing resilience (for escapes at end of string)
      * 639962 : design docs: Fix a few typos and a think
      * 640071 : pluginloader: do not leak the description string of blacklisted plugin
      * 640437 : design docs: fix 2 typos in part-MT-refcounting
      * 640502 : fix a few typos
      * 640622 : gst_element_link_pads_full function return wrong error information
      * 640675 : high cpu-load with 0.10.32 release
      * 640850 : GstElement: Fix warning with GCC 4.6
      * 641212 : gst-uninstalled: use $GST_PREFIX variable
      * 641928 : gst_pad_push fast path races with pad deactivation
      * 642071 : Incorrect comparing of number of source and sink links when parsing a launch string
      * 642130 : [basetransform] Check for pad alloc caps when suggestion is not fixed
      * 642271 : crash in gst_caps_structure_intersect, encoder_match_media_type
      * 642373 : [basetransform] Avoid too may pad allocs
      * 642393 : [filesrc] Fails setting the same uri it's setting in the uri queries.
      * 642504 : [mingw/cygwin build] correctly export plugin description
      * 642522 : gstvalue.c does not include a deserialize function for uchar
      * 642869 : gst_index_new: documentation typo
      * 643301 : Adding a buffer to a buffer list iterates the list
      * 643455 : [regression] Lots of dropouts in Empathy voip calls
      * 644935 : [inputselector] During switching of streams it can happen that all pads returned not-linked last
      * 645022 : GstTask: typo in GST_TASK_BROADCAST - g_cond_breadcast should probably be g_cond_broadcast
      * 645267 : build: fix build with -Werror with GCC 4.6.0
      * 645595 : bytereader, bytewriter: fix warnings when using inline functions with g++
      * 645746 : [gstpoll] Regression causes 100% cpu usage in multifdsink
      * 645877 : commit 14d7db1 causes cpu spinning and other bus weirdness
      * 645931 : [gstmultiqueue] fix arbitrary sink + source pad naming
      * 646118 : [gstmultiqueue] if arbitrary sink number is specified by caller, use this as single queue id
      * 646341 : [baseparse] Add a queued flow return so parsers can keep frames in a queue
      * 646531 : GST_BOILERPLATE: don't use " type " as both a variable name and a macro argument
      * 646566 : Protect against Pad-Parent disappearing
      * 646569 : poll: don't call WSAWaitForMultipleEvents with no events
      * 646624 : GstBin: regression: creating too many bins fails, exhausting allowed file descriptor limit
      * 646811 : baseparse: deadlock in gst_base_parse_set_index
      * 646971 : iterator: resync to avoid infinite loop
      * 647005 : GstBus: Only create the socketpair for async message delivery if required
      * 647131 : recent multiqueue changes break DVD playback (again)
      * 647293 : Fix pad callbacks so they handle when parent goes away
      * 647763 : [bus] Bus is leaked if a watch is installed in the default main context
      * 647844 : baseparse: Remove unused but set variable
      * 647922 : [introspection] Needs to call gst_init() before anything else
      * 648199 : pad: potential deadlock / crash when freeing cache
      * 648215 : basetransform: unref in wrong place
      * 648220 : Regression: videoscale fails to negotiate for PAR transformation
      * 648297 : [bus] regression: critical assertion failure
      * 649195 : [miniobject] Fix dup_mini_object function to handle NULL gvalues
      * 635718 : [basesrc] custom, non-OOB events aren't pushed downstream
      * 625396 : gst_debug_remove_log_function doesn't remove default log handler
      * 640771 : amarok doesn't start with new phonon gstreamer
      * 646972 : queue2: Fixes memory leak on out_flushing error in gst_queue2_create_read
      * 640665 : basesink: drops too many buffers when there's no duration

API changed in this release
- API additions:
      * gst_atomic_queue_length()
      * gst_atomic_queue_new()
      * gst_atomic_queue_peek()
      * gst_atomic_queue_pop()
      * gst_atomic_queue_push()
      * gst_atomic_queue_ref()
      * gst_atomic_queue_unref()
      * gst_buffer_list_iterator_get_type()
      * gst_caps_intersect_full()
      * gst_caps_intersect_mode_get_type()
      * gst_clock_periodic_id_reinit()
      * gst_element_factory_can_sink_all_caps()
      * gst_element_factory_can_sink_any_caps()
      * gst_element_factory_can_src_all_caps()
      * gst_element_factory_can_src_any_caps()
      * gst_event_new_qos_full()
      * gst_event_parse_qos_full()
      * gst_filename_to_uri()
      * gst_message_new_progress()
      * gst_message_parse_progress()
      * gst_parse_context_get_type()
      * gst_progress_type_get_type()
      * gst_qos_type_get_type()
      * gst_base_parse_add_index_entry()
      * gst_base_parse_convert_default()
      * gst_base_parse_frame_free()
      * gst_base_parse_frame_get_type()
      * gst_base_parse_frame_init()
      * gst_base_parse_frame_new()
      * gst_base_parse_get_type()
      * gst_base_parse_push_frame()
      * gst_base_parse_set_average_bitrate()
      * gst_base_parse_set_duration()
      * gst_base_parse_set_frame_rate()
      * gst_base_parse_set_has_timing_info()
      * gst_base_parse_set_min_frame_size()
      * gst_base_parse_set_passthrough()
      * gst_base_parse_set_syncable()
      * gst_base_sink_get_throttle_time()
      * gst_base_sink_set_throttle_time()
- API deprecations:
      * gst_element_factory_can_src_caps()
      * gst_element_factory_can_sink_caps()


You can find source releases of gstreamer in the download directory:

GStreamer Homepage

More details can be found on the project's website:

Support and Bugs

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


GStreamer is stored in Git, hosted at, and can be cloned from there.
Interested developers of the core library, plug-ins, and applications should
subscribe to the gstreamer-devel list. If there is sufficient interest we
will create more lists as necessary.


Applications ported to GStreamer 0.10 include Totem, RhythmBox, Sound-Juicer,
Gnome Media, Flumotion, Amarok, Jamboree, Pitivi, Istanbul, AnnoAmp, Elisa, and others.
Let us know if you want to be added to this list.

Contributors to this release
      * Alessandro Decina
      * Andoni Morales Alastruey
      * Andreas Frisch
      * Arun Raghavan
      * Bastien Nocera
      * Cai Yuanqing
      * Chen Rui
      * Daniel Macks
      * David Schleef
      * Edward Hervey
      * Fraxinas
      * Havard Graff
      * Idar Tollefsen
      * Jan Schmidt
      * Janne Grunau
      * Jason D. Clinton
      * Jonas Holmberg
      * Jonathan Matthew
      * Josep Torra
      * Joshua M. Doe
      * Julien Moutte
      * Luis de Bethencourt
      * Mark Nauwelaerts
      * Mart Raudsepp
      * Michael Smith
      * Miguel Angel Cabrera Moya
      * Ole André Vadla Ravnås
      * Olivier Crête
      * Peter Collingbourne
      * Philip Jägenstedt
      * René Stadler
      * Robert Swain
      * Sebastian Dröge
      * Sreerenj Balachandran
      * Stefan Kost
      * Stian Selnes
      * Thiago Santos
      * Thijs Vermeir
      * Thomas Kristensen
      * Tim-Philipp Müller
      * Vincent Penquerc'h
      * Wim Taymans
      * Yang Xichuan
      * Zaheer Abbas Merali
      * Zhang Wanming

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