1 files changed, 150 insertions, 0 deletions
diff --git a/gst-libs/gst/video/gstbasevideocodec.h b/gst-libs/gst/video/gstbasevideocodec.h
new file mode 100644
index 00000000..b6acf62e
--- /dev/null
+++ b/gst-libs/gst/video/gstbasevideocodec.h
@@ -0,0 +1,150 @@
+/* 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
+