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There's some precedent in GstElementFactory, but a
"klass" property just seems weird.

Currently there is no other way to unlock a buffer pool other then
stopping it. This may have the effect of freeing all the buffers,
which is too heavy for a seek. This patch add a method to enter and
leave flushing state. As a convenience, flush_start/flush_stop
virtual are added so pool implementation can also unblock their own
internal poll atomically with the rest of the pool.  This is fully
backward compatible with doing stop/start to actually flush the pool
(as being done in GstBaseSrc).

https://bugzilla.gnome.org/show_bug.cgi?id=727611

When we call gst_buffer_pool_set_config() the pool may return FALSE and
slightly change the parameters. This helper is useful to do the minial required
validation before accepting the modified configuration.

https://bugzilla.gnome.org/show_bug.cgi?id=727916

https://bugzilla.gnome.org/show_bug.cgi?id=729440

https://bugzilla.gnome.org/show_bug.cgi?id=723652

This reverts commit d17438d5.

This commit featured the wrong author, sorry.

https://bugzilla.gnome.org/show_bug.cgi?id=723652

Events passing through #GstPads that have a running time
offset set via gst_pad_set_offset() will get their offset
adjusted according to the pad's offset.

If the event contains any information that related to the
running time, this information will need to be updated
before usage with this offset.

Add a helper like gst_flow_get_name() for GstPadLinkReturn. Use this in core.
API: gst_pad_link_get_name()

Mark the inline function, so that gtkdoc skips them. Avoids some warnings about
unparsable declarations.

Unhinde the class docs. Tech gtk-doc about GST_EXPORTS.

GstBufferPool is a GstObject, add the _get_type function to the types file.

 * add many missing declarations to sections
 * GstController has been removed, update docs
 * skip GstIndex when generating documentation
 * rephrase so gtkdoc doesn't imagine return value
 * add missing argument description for gst_context_new()
 * document GstOutputSelectorPadNegotiationMode and move to header-file

https://bugzilla.gnome.org/show_bug.cgi?id=719614

Used for setting the default system clock that is obtained through
gst_system_clock_obtain(), which is sometimes needed for unit
testing.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=711269

So it appears in the generated documentation

All streams that have the same group id are supposed to be played
together, i.e. all streams inside a container file should have the
same group id but different stream ids. The group id should change
each time the stream is started, resulting in different group ids
each time a file is played for example.

This allows to explicitely set the debug output color
mode to UNIX on every platform, enable it (use platform
default color mode) or enable it.

https://bugzilla.gnome.org/show_bug.cgi?id=674320

Convenience API for bindings, gst_structure_from_string() returns
a tuple (structure, end_ptr) in bindings and is unintuitive to use
because of that.

and remove all the printf extension/specifier stuff for
the system printf. Next we need to add back the custom
specifiers to our own printf implementation.

https://bugzilla.gnome.org/show_bug.cgi?id=613081

This is equal to any other caps features but results in unfixed caps. It
would be used by elements that only look at the buffer metadata or are
currently working in passthrough mode, and as such don't care about any
specific features.

These are meant to specify features in caps that are required
for a specific structure, for example a specific memory type
or meta.

Semantically they could be though of as an extension of the media
type name of the structures and are handled exactly like that.

API: gst_event_set_stream_flags()
API: gst_event_parse_stream_flags()
API: GST_STREAM_FLAG_NONE
API: GST_STREAM_FLAG_SPARSE

https://bugzilla.gnome.org/show_bug.cgi?id=600648

Elements should override GstElement::set_context() and also call
gst_element_set_context() to keep this context up-to-date with
the very latest context they internally use.

API: gst_buffer_extract_dup

Add a method to check if a memory was allocated from an allocator of
a given type.

API: gst_memory_is_type()