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sys/v4l2/gstv4l2object.h: Getting the Class from an instance is not just a matter of casting it to the class struct b...

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Original commit message from CVS:
* sys/v4l2/gstv4l2object.h:
Getting the Class from an instance is not just a matter of casting it to
the class struct but it involves calling G_OBJECT_GET_CLASS on the
instance. Fixes #549784.
This commit is contained in:
Wim Taymans 2008-10-03 11:32:47 +00:00
parent e2dbf108e6
commit 300da1655b
2 changed files with 10 additions and 3 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-10-03 Wim Taymans <wim.taymans@collabora.co.uk>
* sys/v4l2/gstv4l2object.h:
Getting the Class from an instance is not just a matter of casting it to
the class struct but it involves calling G_OBJECT_GET_CLASS on the
instance. Fixes #549784.
2008-10-01 Michael Smith <msmith@songbirdnest.com> 2008-10-01 Michael Smith <msmith@songbirdnest.com>
* configure.ac: * configure.ac:

6
sys/v4l2/gstv4l2object.h
View file

@ -157,7 +157,7 @@ interface_as_function ## _probe_probe_property (GstPropertyProbe * probe,
guint prop_id, \ guint prop_id, \
const GParamSpec * pspec) \ const GParamSpec * pspec) \
{ \ { \
Type_Class *this_class = (Type_Class*) probe; \ Type_Class *this_class = (Type_Class*) G_OBJECT_GET_CLASS (probe); \
gst_v4l2_probe_probe_property (probe, prop_id, pspec, \ gst_v4l2_probe_probe_property (probe, prop_id, pspec, \
&this_class->v4l2_class_devices); \ &this_class->v4l2_class_devices); \
} \ } \
@ -167,7 +167,7 @@ interface_as_function ## _probe_needs_probe (GstPropertyProbe * probe,
guint prop_id, \ guint prop_id, \
const GParamSpec * pspec) \ const GParamSpec * pspec) \
{ \ { \
Type_Class *this_class = (Type_Class*) probe; \ Type_Class *this_class = (Type_Class*) G_OBJECT_GET_CLASS (probe); \
return gst_v4l2_probe_needs_probe (probe, prop_id, pspec, \ return gst_v4l2_probe_needs_probe (probe, prop_id, pspec, \
&this_class->v4l2_class_devices); \ &this_class->v4l2_class_devices); \
} \ } \
@ -177,7 +177,7 @@ interface_as_function ## _probe_get_values (GstPropertyProbe * probe,
guint prop_id, \ guint prop_id, \
const GParamSpec * pspec) \ const GParamSpec * pspec) \
{ \ { \
Type_Class *this_class = (Type_Class*) probe; \ Type_Class *this_class = (Type_Class*) G_OBJECT_GET_CLASS (probe); \
return gst_v4l2_probe_get_values (probe, prop_id, pspec, \ return gst_v4l2_probe_get_values (probe, prop_id, pspec, \
&this_class->v4l2_class_devices); \ &this_class->v4l2_class_devices); \
} \ } \