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authorjk7744.park <jk7744.park@samsung.com>2015-10-24 16:49:08 +0900
committerjk7744.park <jk7744.park@samsung.com>2015-10-24 16:49:08 +0900
commit32e864f0f32b7628d995e84d07646b01dc5bf2d5 (patch)
tree27f97eaa1ca7e171815e4f88b348448b05f02748 /gst/videocrop/gstaspectratiocrop.h
parent9093d777f57b3f1dc62010bb8e0c7ed3d72a76d2 (diff)
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+/* GStreamer video frame cropping to aspect-ratio
+ * Copyright (C) 2009 Thijs Vermeir <thijsvermeir@gmail.com>
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_ASPECT_RATIO_CROP_H__
+#define __GST_ASPECT_RATIO_CROP_H__
+
+#include <gst/gstbin.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_ASPECT_RATIO_CROP \
+ (gst_aspect_ratio_crop_get_type())
+#define GST_ASPECT_RATIO_CROP(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCrop))
+#define GST_ASPECT_RATIO_CROP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ASPECT_RATIO_CROP,GstAspectRatioCropClass))
+#define GST_IS_ASPECT_RATIO_CROP(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ASPECT_RATIO_CROP))
+#define GST_IS_ASPECT_RATIO_CROP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ASPECT_RATIO_CROP))
+
+typedef struct _GstAspectRatioCrop GstAspectRatioCrop;
+typedef struct _GstAspectRatioCropClass GstAspectRatioCropClass;
+
+struct _GstAspectRatioCrop
+{
+ GstBin parent;
+
+ /* our videocrop element */
+ GstElement *videocrop;
+
+ GstPad *sink;
+
+ /* target aspect ratio */
+ gint ar_num; /* if < 1 then don't change ar */
+ gint ar_denom;
+
+ GMutex crop_lock;
+};
+
+struct _GstAspectRatioCropClass
+{
+ GstBinClass parent_class;
+};
+
+GType gst_aspect_ratio_crop_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_ASPECT_RATIO_CROP_H__ */
+