gst_plugins_good/gst/camerabin/gstcamerabincolorbalance.c
branchRCL_3
changeset 30 7e817e7e631c
parent 2 5505e8908944
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_good/gst/camerabin/gstcamerabincolorbalance.c	Wed Sep 01 12:16:41 2010 +0100
@@ -0,0 +1,81 @@
+/*
+ * GStreamer
+ * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Includes
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstcamerabincolorbalance.h"
+#include "gstcamerabin.h"
+
+/*
+ * static functions implementation
+ */
+
+static const GList *
+gst_camerabin_color_balance_list_channels (GstColorBalance * cb)
+{
+  if (cb && GST_CAMERABIN (cb)->src_vid_src) {
+    GstColorBalance *cbl = GST_COLOR_BALANCE (GST_CAMERABIN (cb)->src_vid_src);
+    return gst_color_balance_list_channels (cbl);
+  } else {
+    return NULL;
+  }
+}
+
+static void
+gst_camerabin_color_balance_set_value (GstColorBalance * cb,
+    GstColorBalanceChannel * channel, gint value)
+{
+  if (cb && GST_CAMERABIN (cb)->src_vid_src) {
+    GstColorBalance *cbl = GST_COLOR_BALANCE (GST_CAMERABIN (cb)->src_vid_src);
+    gst_color_balance_set_value (cbl, channel, value);
+  }
+}
+
+static gint
+gst_camerabin_color_balance_get_value (GstColorBalance * cb,
+    GstColorBalanceChannel * channel)
+{
+  if (cb && GST_CAMERABIN (cb)->src_vid_src) {
+    GstColorBalance *cbl = GST_COLOR_BALANCE (GST_CAMERABIN (cb)->src_vid_src);
+    return gst_color_balance_get_value (cbl, channel);
+  } else {
+    return 0;
+  }
+}
+
+/*
+ * extern functions implementation
+ */
+
+void
+gst_camerabin_color_balance_init (GstColorBalanceClass * iface)
+{
+  /* FIXME: to get the same type as v4l2src */
+  GST_COLOR_BALANCE_TYPE (iface) = GST_COLOR_BALANCE_HARDWARE;
+  iface->list_channels = gst_camerabin_color_balance_list_channels;
+  iface->set_value = gst_camerabin_color_balance_set_value;
+  iface->get_value = gst_camerabin_color_balance_get_value;
+}