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video-color: Enhance documentation of gst_video_colorimetry_to_string()

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It could return null string. So need to clarify when it will be null.
This commit is contained in:
Seungha Yang 2019-07-17 02:44:12 +09:00
parent 7327214bce
commit 7227feb5cd
1 changed files with 2 additions and 1 deletions
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3
gst-libs/gst/video/video-color.c
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@ -148,7 +148,8 @@ gst_video_colorimetry_from_string (GstVideoColorimetry * cinfo,
*
* Make a string representation of @cinfo.
*
* Returns: a string representation of @cinfo.
* Returns: (transfer full) (nullable): a string representation of @cinfo
* or %NULL if all the entries of @cinfo are unknown values.
*/
gchar *
gst_video_colorimetry_to_string (const GstVideoColorimetry * cinfo)