imagefreeze: Add still frame stream generator element

gst/imagefreeze/Makefile.am

+plugin_LTLIBRARIES = libgstimagefreeze.la
+
+libgstimagefreeze_la_SOURCES = gstimagefreeze.c
+
+libgstimagefreeze_la_CFLAGS = $(GST_CFLAGS)
+libgstimagefreeze_la_LIBADD = $(GST_LIBS)
+libgstimagefreeze_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstimagefreeze_la_LIBTOOLFLAGS = --tag=disable-static
+
+noinst_HEADERS = gstimagefreeze.h
+

gst/imagefreeze/gstimagefreeze.h

+/* GStreamer
+ * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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.
+ */
+
+#ifndef __GST_IMAGE_FREEZE_H__
+#define __GST_IMAGE_FREEZE_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_IMAGE_FREEZE \
+  (gst_image_freeze_get_type())
+#define GST_IMAGE_FREEZE(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IMAGE_FREEZE,GstImageFreeze))
+#define GST_IMAGE_FREEZE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IMAGE_FREEZE,GstImageFreezeClass))
+#define GST_IMAGE_FREEZE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_IMAGE_FREEZE,GstImageFreezeClass))
+#define GST_IS_IMAGE_FREEZE(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IMAGE_FREEZE))
+#define GST_IS_IMAGE_FREEZE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IMAGE_FREEZE))
+
+typedef struct _GstImageFreeze GstImageFreeze;
+typedef struct _GstImageFreezeClass GstImageFreezeClass;
+
+struct _GstImageFreeze
+{
+  GstElement parent;
+
+  /* < private > */
+  GstPad *sinkpad;
+  GstPad *srcpad;
+
+  GstBuffer *buffer;
+  gint fps_n, fps_d;
+
+  GstSegment segment;
+  gboolean need_segment;
+  GstEvent *close_segment;
+
+  guint64 offset;
+};
+
+struct _GstImageFreezeClass
+{
+  GstElementClass parent_class;
+};
+
+GType gst_image_freeze_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_IMAGE_FREEZE_H__ */