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docs: mention that gst_tag_get_language_name() may return NULL

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Tim-Philipp Müller 2009-12-13 18:43:56 +00:00
parent fc73a73f0a
commit b529a33105
1 changed files with 3 additions and 2 deletions
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5
gst-libs/gst/tag/lang.c
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@ -317,11 +317,12 @@ gst_tag_get_language_codes (void)
* Returns the name of the language given an ISO-639 language code, such
* as often found in a GST_TAG_LANGUAGE tag. The name will be translated
* according to the current locale (if the library was built against the
* iso-codes package), otherwise the English name will be returned.
* iso-codes package, otherwise the English name will be returned).
*
* Language codes are case-sensitive and expected to be lower case.
*
* Returns: language name in UTF-8 format. The returned string must not be
* Returns: language name in UTF-8 format, or NULL if @language_code could
* not be mapped to a language name. The returned string must not be
* modified and does not need to freed; it will stay valid until the
* application is terminated.
*