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rtpptdemux: do no assume sink caps are non NULL

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This commit is contained in:
Mathieu Duponchelle 2018-02-21 19:59:04 +01:00
parent c8f442deb0
commit 359b0a86f1
1 changed files with 16 additions and 13 deletions
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29
gst/rtpmanager/gstrtpptdemux.c
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@ -325,23 +325,26 @@ gst_rtp_pt_demux_get_caps (GstRtpPtDemux * rtpdemux, guint pt)
g_value_unset (&ret);
sink_caps = gst_pad_get_current_caps (rtpdemux->sink);
if (caps == NULL) {
caps = gst_caps_ref (sink_caps);
} else {
GstStructure *s1;
GstStructure *s2;
guint ssrc;
caps = gst_caps_make_writable (caps);
s1 = gst_caps_get_structure (sink_caps, 0);
s2 = gst_caps_get_structure (caps, 0);
if (sink_caps) {
if (caps == NULL) {
caps = gst_caps_ref (sink_caps);
} else {
GstStructure *s1;
GstStructure *s2;
guint ssrc;
gst_structure_get_uint (s1, "ssrc", &ssrc);
gst_structure_set (s2, "ssrc", G_TYPE_UINT, ssrc, NULL);
caps = gst_caps_make_writable (caps);
s1 = gst_caps_get_structure (sink_caps, 0);
s2 = gst_caps_get_structure (caps, 0);
gst_structure_get_uint (s1, "ssrc", &ssrc);
gst_structure_set (s2, "ssrc", G_TYPE_UINT, ssrc, NULL);
}
gst_caps_unref (sink_caps);
}
gst_caps_unref (sink_caps);
GST_DEBUG ("pt %d, got caps %" GST_PTR_FORMAT, pt, caps);
return caps;