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gst/base/: Added small README for base classes.

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Original commit message from CVS:
* gst/base/README:
* gst/base/gstbasesink.c: (gst_basesink_get_template),
(gst_basesink_base_init), (gst_basesink_pad_getcaps),
(gst_basesink_pad_setcaps), (gst_basesink_pad_buffer_alloc),
(gst_basesink_init), (gst_base_sink_get_template),
(gst_base_sink_get_caps), (gst_base_sink_set_caps),
(gst_base_sink_buffer_alloc), (gst_basesink_finish_preroll),
(gst_basesink_event), (gst_basesink_get_times),
(gst_basesink_do_sync), (gst_basesink_change_state):
Added small README for base classes.
Make default getcaps function in the base class return a
copy of the padtemplate caps if nothing else.
This commit is contained in:
Wim Taymans 2005-02-24 16:04:20 +00:00
parent 47eb83ff1c
commit 82a12763e8
5 changed files with 63 additions and 0 deletions
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15
ChangeLog
View file

@ -1,3 +1,18 @@
2005-02-24 Wim Taymans <wim@fluendo.com>
* gst/base/README:
* gst/base/gstbasesink.c: (gst_basesink_get_template),
(gst_basesink_base_init), (gst_basesink_pad_getcaps),
(gst_basesink_pad_setcaps), (gst_basesink_pad_buffer_alloc),
(gst_basesink_init), (gst_base_sink_get_template),
(gst_base_sink_get_caps), (gst_base_sink_set_caps),
(gst_base_sink_buffer_alloc), (gst_basesink_finish_preroll),
(gst_basesink_event), (gst_basesink_get_times),
(gst_basesink_do_sync), (gst_basesink_change_state):
Added small README for base classes.
Make default getcaps function in the base class return a
copy of the padtemplate caps if nothing else.
2005-02-24 Wim Taymans <wim@fluendo.com>
* gst/elements/gstfakesrc.c: (gst_fakesrc_get_range_unlocked):

16
gst/base/README Normal file
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@ -0,0 +1,16 @@
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...

8
gst/base/gstbasesink.c
View file

@ -155,6 +155,14 @@ gst_basesink_pad_getcaps (GstPad * pad)
if (bclass->get_caps)
caps = bclass->get_caps (bsink);
if (caps == NULL) {
GstStaticPadTemplate *stemplate;
GstPadTemplate *template;
stemplate = gst_basesink_get_template (bsink);
template = gst_static_pad_template_get (stemplate);
caps = gst_caps_copy (gst_pad_template_get_caps (template));
}
return caps;
}

16
libs/gst/base/README Normal file
View file

@ -0,0 +1,16 @@
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...

8
libs/gst/base/gstbasesink.c
View file

@ -155,6 +155,14 @@ gst_basesink_pad_getcaps (GstPad * pad)
if (bclass->get_caps)
caps = bclass->get_caps (bsink);
if (caps == NULL) {
GstStaticPadTemplate *stemplate;
GstPadTemplate *template;
stemplate = gst_basesink_get_template (bsink);
template = gst_static_pad_template_get (stemplate);
caps = gst_caps_copy (gst_pad_template_get_caps (template));
}
return caps;
}