sdpmessage: add_attribute accepts NULL value
authorJustin Kim <justin.kim@collabora.com>
Wed, 1 Nov 2017 02:23:17 +0000 (11:23 +0900)
committerMatthew Waters <matthew@centricular.com>
Fri, 3 Nov 2017 06:56:39 +0000 (17:56 +1100)
commit91179622eb3b4b51785b4f19dc8a033fbeeda492
tree75634987d4c8579974d39034acac5eac23d362b9
parenta23d4d1c1f54dbe1b269712587721ee914f713b5
sdpmessage: add_attribute accepts NULL value

The attribute can be defined without value regardless session-level
or media-level.
Although `gst_sdp_message_insert_attribute` can be used to set NULL,
it would be easier if `gst_sdp_message_add_attribute` accepts NULL.

https://bugzilla.gnome.org/show_bug.cgi?id=789841
gst-libs/gst/sdp/gstsdpmessage.c
tests/check/libs/sdp.c