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caps: don't create broken caps for invalid media types

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Check if structure has been created before appending it to the caps. Free the
caps in the case of an error to not conceal it be returning empty caps.

Fixes #642271
This commit is contained in:
Jonathan Matthew 2011-03-04 08:28:25 +10:00 committed by Stefan Kost
parent eb05020f58
commit 2bbfa3304c
1 changed files with 4 additions and 1 deletions
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5
gst/gstcaps.c
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@ -225,7 +225,10 @@ gst_caps_new_simple (const char *media_type, const char *fieldname, ...)
structure = gst_structure_new_valist (media_type, fieldname, var_args);
va_end (var_args);
gst_caps_append_structure_unchecked (caps, structure);
if (structure)
gst_caps_append_structure_unchecked (caps, structure);
else
gst_caps_replace (&caps, NULL);
return caps;
}