From 71877db25ffdc29fd3874e9efc455a7dd6999fe4 Mon Sep 17 00:00:00 2001
From: Matthew Waters <matthew@centricular.com>
Date: Tue, 5 Apr 2016 16:22:49 +1000
Subject: [PATCH] glmixer: set the current texture to 0 before mapping

If we fail mapping, we don't want to use undefined video data in the subclass.
---
 ext/gl/gstglmixer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/gl/gstglmixer.c b/ext/gl/gstglmixer.c
index 7059b4837b..3fc7fce2c8 100644
--- a/ext/gl/gstglmixer.c
+++ b/ext/gl/gstglmixer.c
@@ -604,6 +604,7 @@ _upload_frames (GstAggregator * agg, GstAggregatorPad * agg_pad,
   GstGLMixerPad *pad = GST_GL_MIXER_PAD (agg_pad);
   GstGLMixer *mix = GST_GL_MIXER (agg);
 
+  pad->current_texture = 0;
   if (vaggpad->buffer != NULL) {
     GstVideoInfo gl_info;
     GstVideoFrame gl_frame;