From b3c4c79dea6fbcb38392839cf460cdca2e34d947 Mon Sep 17 00:00:00 2001
From: "Joshua M. Doe" <oss@nvl.army.mil>
Date: Mon, 16 Dec 2013 15:08:07 -0500
Subject: [PATCH] euresyssrc: open and close driver in init/dispose rather than
 start/stop

McOpenDriver was taking 1.5 seconds or so, so for some use cases this
should speed up captures.
---
 sys/euresys/gsteuresyssrc.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/sys/euresys/gsteuresyssrc.c b/sys/euresys/gsteuresyssrc.c
index 71db2fe..090e7c4 100644
--- a/sys/euresys/gsteuresyssrc.c
+++ b/sys/euresys/gsteuresyssrc.c
@@ -340,6 +340,12 @@ gst_euresys_init (GstEuresys * euresys)
 
   euresys->last_time_code = -1;
   euresys->dropped_frame_count = 0;
+
+  GST_INFO_OBJECT (euresys, "About to open driver");
+  if (McOpenDriver (NULL) != MC_OK) {
+    GST_ELEMENT_ERROR (euresys, LIBRARY, INIT, (NULL), (NULL));
+    return;
+  }
 }
 
 void
@@ -408,6 +414,9 @@ gst_euresys_dispose (GObject * object)
 
   /* clean up as possible.  may be called multiple times */
 
+  /* Close the MultiCam driver */
+  McCloseDriver ();
+
   G_OBJECT_CLASS (gst_euresys_parent_class)->dispose (object);
 }
 
@@ -419,13 +428,6 @@ gst_euresys_start (GstBaseSrc * bsrc)
 
   GST_DEBUG_OBJECT (euresys, "start");
 
-  /* Open MultiCam driver */
-  status = McOpenDriver (NULL);
-  if (status != MC_OK) {
-    GST_ELEMENT_ERROR (euresys, LIBRARY, INIT, (NULL), (NULL));
-    return FALSE;
-  }
-
   status =
       McGetParamInt (MC_BOARD + euresys->boardIdx, MC_BoardType,
       &euresys->boardType);
@@ -529,9 +531,6 @@ gst_euresys_stop (GstBaseSrc * src)
   /* Stop the acquisition */
   McSetParamInt (euresys->hChannel, MC_ChannelState, MC_ChannelState_IDLE);
 
-  /* Close the MultiCam driver */
-  McCloseDriver ();
-
   /* Delete the channel */
   if (euresys->hChannel)
     McDelete (euresys->hChannel);