Add Video Orientation interface support to v4l2src.

Original commit message from CVS:
Add Video Orientation interface support to v4l2src.

1 files changed, 96 insertions, 0 deletions

diff --git a/sys/v4l2/gstv4l2vidorient.c b/sys/v4l2/gstv4l2vidorient.c
new file mode 100644
index 00000000..8f9c91af
--- /dev/null
+++ b/sys/v4l2/gstv4l2vidorient.c
@@ -0,0 +1,96 @@
+/* GStreamer
+ *
+ * Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * gstv4l2vidorient.c: video orientation interface implementation for V4L2
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+#include "gstv4l2vidorient.h"
+#include "gstv4l2object.h"
+#include "v4l2_calls.h"
+#include "v4l2src_calls.h"
+
+GST_DEBUG_CATEGORY_STATIC (v4l2vo_debug);
+#define GST_CAT_DEFAULT v4l2vo_debug
+
+void
+gst_v4l2_video_orientation_interface_init (GstVideoOrientationInterface * klass)
+{
+  GST_DEBUG_CATEGORY_INIT (v4l2vo_debug, "v4l2vo", 0,
+      "V4L2 VideoOrientation interface debugging");
+}
+
+
+gboolean
+gst_v4l2_video_orientation_get_hflip (GstV4l2Object * v4l2object,
+    gboolean * flip)
+{
+
+  return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HFLIP, flip);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_get_vflip (GstV4l2Object * v4l2object,
+    gboolean * flip)
+{
+  return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VFLIP, flip);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_get_hcenter (GstV4l2Object * v4l2object,
+    gint * center)
+{
+  return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HCENTER, center);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_get_vcenter (GstV4l2Object * v4l2object,
+    gint * center)
+{
+  return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VCENTER, center);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_set_hflip (GstV4l2Object * v4l2object, gboolean flip)
+{
+  return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HFLIP, flip);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_set_vflip (GstV4l2Object * v4l2object, gboolean flip)
+{
+  return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VFLIP, flip);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_set_hcenter (GstV4l2Object * v4l2object, gint center)
+{
+  return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HCENTER, center);
+}
+
+extern gboolean
+gst_v4l2_video_orientation_set_vcenter (GstV4l2Object * v4l2object, gint center)
+{
+  return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VCENTER, center);
+}