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gstreamer/libs/gst/base
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Wim Taymans 96d17a3410 gst/: Added start/stop methods to transform base class so subclasses don't need to deal with state changes even. 
Original commit message from CVS:
* gst/base/gstbasetransform.c: (gst_base_transform_base_init),
(gst_base_transform_class_init), (gst_base_transform_init),
(gst_base_transform_setcaps), (gst_base_transform_handle_buffer),
(gst_base_transform_get_property),
(gst_base_transform_sink_activate),
(gst_base_transform_src_activate),
(gst_base_transform_change_state):
* gst/base/gstbasetransform.h:
* gst/elements/gstidentity.c: (gst_identity_class_init),
(gst_identity_event), (gst_identity_check_perfect),
(gst_identity_transform), (gst_identity_start),
(gst_identity_stop):
Added start/stop methods to transform base class so subclasses
don't need to deal with state changes even.
2005-03-31 10:10:55 +00:00
..
gstbasesink.c gst/: Simplify pad activation. 2005-03-29 16:18:12 +00:00
gstbasesink.h gst/: Simplify pad activation. 2005-03-29 16:18:12 +00:00
gstbasetransform.c gst/: Added start/stop methods to transform base class so subclasses don't need to deal with state changes even. 2005-03-31 10:10:55 +00:00
gstbasetransform.h gst/: Added start/stop methods to transform base class so subclasses don't need to deal with state changes even. 2005-03-31 10:10:55 +00:00
Makefile.am gst/: Simplify pad activation. 2005-03-29 16:18:12 +00:00
README gst/: Simplify pad activation. 2005-03-29 16:18:12 +00:00

README 

Base classes
------------

GstBaseSink
 
  Base class for sink elements.

  - one sinkpad
  - handles state changes
  - does flushing
  - preroll with optional preview
  - pull/push mode
  - EOS handling

  FIXME: not much point making it operate in pull mode as a generic
  base class I guess... 

GstBaseTransform

  Base class for simple tranform filters

  - one sinkpad and one srcpad
  - formats the same on sink and source pad.
  - handles state changes
  - does flushing
  - push mode
  - pull mode if transform can operate on arbitrary data