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diff --git a/gst-libs/gst/video/gstbasevideocodec.h b/gst-libs/gst/video/gstbasevideocodec.h
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+/* GStreamer
+ * Copyright (C) 2008 David Schleef <ds@schleef.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.
+ */
+
+#ifndef _GST_BASE_VIDEO_CODEC_H_
+#define _GST_BASE_VIDEO_CODEC_H_
+
+#ifndef GST_USE_UNSTABLE_API
+#warning "GstBaseVideoCodec is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
+#endif
+
+#include <gst/gst.h>
+#include <gst/video/gstbasevideoutils.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_BASE_VIDEO_CODEC \
+ (gst_base_video_codec_get_type())
+#define GST_BASE_VIDEO_CODEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
+#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
+#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
+#define GST_IS_BASE_VIDEO_CODEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
+#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
+
+/**
+ * GST_BASE_VIDEO_CODEC_SINK_NAME:
+ *
+ * The name of the templates for the sink pad.
+ */
+#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
+/**
+ * GST_BASE_VIDEO_CODEC_SRC_NAME:
+ *
+ * The name of the templates for the source pad.
+ */
+#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
+
+/**
+ * GST_BASE_VIDEO_CODEC_SRC_PAD:
+ * @obj: base video codec instance
+ *
+ * Gives the pointer to the source #GstPad object of the element.
+ */
+#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
+
+/**
+ * GST_BASE_VIDEO_CODEC_SINK_PAD:
+ * @obj: base video codec instance
+ *
+ * Gives the pointer to the sink #GstPad object of the element.
+ */
+#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
+
+/**
+ * GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
+ *
+ */
+#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
+
+typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
+typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
+
+struct _GstBaseVideoCodec
+{
+ GstElement element;
+
+ /*< private >*/
+ GstPad *sinkpad;
+ GstPad *srcpad;
+ GstAdapter *input_adapter;
+ GstAdapter *output_adapter;
+
+#if 0
+ /* FIXME need to move from subclasses */
+ GstVideoState state;
+#endif
+
+ //int reorder_depth;
+
+ //gboolean have_sync;
+ //gboolean discont;
+ //gboolean started;
+
+ //GstVideoFrame *current_frame;
+ //int distance_from_sync;
+
+ //gboolean sink_clipping;
+
+ //guint64 presentation_frame_number;
+ guint64 system_frame_number;
+
+ //GstCaps *caps;
+ //gboolean set_output_caps;
+
+ //GstClockTime buffer_timestamp;
+
+ GstClockTime timestamp_offset;
+};
+
+struct _GstBaseVideoCodecClass
+{
+ GstElementClass element_class;
+
+ gboolean (*start) (GstBaseVideoCodec *codec);
+ gboolean (*stop) (GstBaseVideoCodec *codec);
+ gboolean (*reset) (GstBaseVideoCodec *codec);
+ GstFlowReturn (*parse_data) (GstBaseVideoCodec *codec, gboolean at_eos);
+ int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
+ int offset, int n);
+ GstFlowReturn (*shape_output) (GstBaseVideoCodec *codec, GstVideoFrame *frame);
+ GstCaps *(*get_caps) (GstBaseVideoCodec *codec);
+
+};
+
+GType gst_base_video_codec_get_type (void);
+
+#if 0
+guint64 gst_base_video_codec_get_timestamp (GstBaseVideoCodec *codec,
+ int picture_number);
+#endif
+
+GstVideoFrame * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
+void gst_base_video_codec_free_frame (GstVideoFrame *frame);
+
+
+G_END_DECLS
+
+#endif
+