From 0d62c41cd44e7f763debebc16d811f65daa17aeb Mon Sep 17 00:00:00 2001
From: Douglas Bagnall <douglas@paradise.net.nz>
Date: Sat, 10 Apr 2010 15:43:33 +1200
Subject: [PATCH] move static variables into sparrow object (for
 multi-threading)

---
 gstsparrow.c | 10 +++-------
 gstsparrow.h |  3 +++
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/gstsparrow.c b/gstsparrow.c
index d14f394..9bd341a 100644
--- a/gstsparrow.c
+++ b/gstsparrow.c
@@ -101,7 +101,6 @@ static gboolean gst_sparrow_set_caps (GstBaseTransform * base, GstCaps * incaps,
 static GstFlowReturn gst_sparrow_transform_ip (GstBaseTransform * transform,
     GstBuffer * buf);
 
-//static void gst_sparrow_RGB_ip (GstSparrow * sparrow, guint8 * data, gint size);
 
 GST_BOILERPLATE (GstSparrow, gst_sparrow, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
 
@@ -277,18 +276,15 @@ gamma_negation(guint8 * bytes, guint size){
 }
 
 
-static guint32 calibrate_offset = 1;
-
 static void
-calibrate(guint8 * bytes, GstSparrow *sparrow){
+calibrate(guint8 * bytes, GstSparrow * sparrow){
   memset(bytes, 0, sparrow->size);
-  calibrate_offset = ((calibrate_offset + 3) * 11) % sparrow->height;
-  memset(bytes + sparrow->width * calibrate_offset * 4,
+  calibrate_offset = ((sparrow->calibrate_offset + 3) * 11) % sparrow->height;
+  memset(bytes + sparrow->width * sparrow->calibrate_offset * 4,
     255, sparrow->width * 4);
 }
 
 
-
 static GstFlowReturn
 gst_sparrow_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
 {
diff --git a/gstsparrow.h b/gstsparrow.h
index cc5591a..d1001ef 100644
--- a/gstsparrow.h
+++ b/gstsparrow.h
@@ -59,11 +59,14 @@ struct _GstSparrow
 {
   GstVideoFilter videofilter;
 
+
   /* format */
   gint width;
   gint height;
   gint size;
 
+  guint32 calibrate_offset = 1;
+
   /* properties */
   gint calibrate;
   /* tables */
-- 
2.11.4.GIT