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applemedia: avfvideosrc: small negotiation fix

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Fix negotiation when GLMemory is requested but a context is not available
This commit is contained in:
Alessandro Decina 2016-01-06 13:20:17 +11:00
parent e0d65937bc
commit 85df5648bb
1 changed files with 7 additions and 0 deletions
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7
sys/applemedia/avfvideosrc.m
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@ -1006,6 +1006,13 @@ caps_filter_out_gl_memory (GstCapsFeatures * features, GstStructure * structure,
else else
gst_object_unref (context); gst_object_unref (context);
/* this can happen if video/x-raw(memory:GLMemory) is forced but a context is
* not available */
if (gst_caps_is_empty (new_caps)) {
GST_WARNING_OBJECT (element, "GLMemory requested but no context available");
return new_caps;
}
new_caps = gst_caps_truncate (new_caps); new_caps = gst_caps_truncate (new_caps);
structure = gst_caps_get_structure (new_caps, 0); structure = gst_caps_get_structure (new_caps, 0);
/* crank up to 11. This is what the presets do, but we don't use the presets /* crank up to 11. This is what the presets do, but we don't use the presets