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gstglcontext: is_shared should return FALSE if no group

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If a sub class of GstGLContext does not create a group
then it currently crashes:

0 g_atomic_int_get (&share->refcount)
1 _context_share_group_is_shared (context->priv->sharegroup)
2 gst_gl_context_is_shared
3 _default_set_sync_gl

https://bugzilla.gnome.org/show_bug.cgi?id=774518
This commit is contained in:
Julien Isorce 2016-11-30 09:22:17 +00:00 committed by Tim-Philipp Müller
parent bf7b608728
commit 22e78529dd
1 changed files with 4 additions and 0 deletions
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4
gst-libs/gst/gl/gstglcontext.c
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@ -1670,6 +1670,10 @@ gboolean
gst_gl_context_is_shared (GstGLContext * context)
{
g_return_val_if_fail (GST_IS_GL_CONTEXT (context), FALSE);
if (!context->priv->sharegroup)
return FALSE;
if (GST_IS_GL_WRAPPED_CONTEXT (context))
g_return_val_if_fail (context->priv->active_thread, FALSE);
else