1 files changed, 214 insertions, 0 deletions
diff --git a/ext/dirac/gstdiracdec.cc b/ext/dirac/gstdiracdec.cc
new file mode 100644
index 00000000..ae184183
--- /dev/null
+++ b/ext/dirac/gstdiracdec.cc
@@ -0,0 +1,214 @@
+/* GStreamer
+ * Copyright (C) 2004 David A. 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.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+
+#include <seq_decompress.h>
+#include <pic_io.h>
+
+#define GST_TYPE_DIRACDEC \
+  (gst_diracdec_get_type())
+#define GST_DIRACDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRACDEC,GstDiracDec))
+#define GST_DIRACDEC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRACDEC,GstDiracDec))
+#define GST_IS_DIRACDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRACDEC))
+#define GST_IS_DIRACDEC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRACDEC))
+
+typedef struct _GstDiracDec GstDiracDec;
+typedef struct _GstDiracDecClass GstDiracDecClass;
+
+struct _GstDiracDec
+{
+  GstElement element;
+
+  /* pads */
+  GstPad *sinkpad, *srcpad;
+
+  SequenceDecompressor *decompress;
+
+  PicOutput *output_image;
+
+};
+
+struct _GstDiracDecClass
+{
+  GstElementClass parent_class;
+};
+
+GType gst_diracdec_get_type (void);
+
+
+/* elementfactory information */
+GstElementDetails gst_diracdec_details = {
+  "Dirac stream decoder",
+  "Codec/Decoder",
+  "Decode DIRAC streams",
+  "David Schleef <ds@schleef.org>",
+};
+
+GST_DEBUG_CATEGORY (diracdec_debug);
+#define GST_CAT_DEFAULT diracdec_debug
+
+enum
+{
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum
+{
+  ARG_0,
+  /* FILL ME */
+};
+
+static void gst_diracdec_base_init (gpointer g_class);
+static void gst_diracdec_class_init (GstDiracDec * klass);
+static void gst_diracdec_init (GstDiracDec * diracdec);
+
+static void gst_diracdec_chain (GstPad * pad, GstData * _data);
+static GstPadLinkReturn gst_diracdec_link (GstPad * pad, const GstCaps * caps);
+
+static GstElementClass *parent_class = NULL;
+
+/*static guint gst_diracdec_signals[LAST_SIGNAL] = { 0 }; */
+
+GType
+gst_diracdec_get_type (void)
+{
+  static GType diracdec_type = 0;
+
+  if (!diracdec_type) {
+    static const GTypeInfo diracdec_info = {
+      sizeof (GstDiracDec),
+      gst_diracdec_base_init,
+      NULL,
+      (GClassInitFunc) gst_diracdec_class_init,
+      NULL,
+      NULL,
+      sizeof (GstDiracDec),
+      0,
+      (GInstanceInitFunc) gst_diracdec_init,
+    };
+
+    diracdec_type =
+        g_type_register_static (GST_TYPE_ELEMENT, "GstDiracDec", &diracdec_info,
+        (GTypeFlags) 0);
+  }
+  return diracdec_type;
+}
+
+static GstStaticPadTemplate gst_diracdec_src_pad_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
+    );
+
+static GstStaticPadTemplate gst_diracdec_sink_pad_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("image/dirac, "
+        "width = (int) [ 16, 4096 ], "
+        "height = (int) [ 16, 4096 ], " "framerate = (double) [ 1, MAX ]")
+    );
+
+static void
+gst_diracdec_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_diracdec_src_pad_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_diracdec_sink_pad_template));
+  gst_element_class_set_details (element_class, &gst_diracdec_details);
+}
+
+static void
+gst_diracdec_class_init (GstDiracDec * klass)
+{
+  GstElementClass *gstelement_class;
+
+  gstelement_class = (GstElementClass *) klass;
+
+  parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT));
+
+  GST_DEBUG_CATEGORY_INIT (diracdec_debug, "diracdec", 0, "DIRAC decoder");
+}
+
+static void
+gst_diracdec_init (GstDiracDec * diracdec)
+{
+  GST_DEBUG ("gst_diracdec_init: initializing");
+  /* create the sink and src pads */
+
+  diracdec->sinkpad =
+      gst_pad_new_from_template (gst_static_pad_template_get
+      (&gst_diracdec_sink_pad_template), "sink");
+  gst_element_add_pad (GST_ELEMENT (diracdec), diracdec->sinkpad);
+  gst_pad_set_chain_function (diracdec->sinkpad, gst_diracdec_chain);
+  gst_pad_set_link_function (diracdec->sinkpad, gst_diracdec_link);
+
+  diracdec->srcpad =
+      gst_pad_new_from_template (gst_static_pad_template_get
+      (&gst_diracdec_src_pad_template), "src");
+  gst_pad_use_explicit_caps (diracdec->srcpad);
+  gst_element_add_pad (GST_ELEMENT (diracdec), diracdec->srcpad);
+
+  diracdec->decompress = new SequenceDecompressor;
+  diracdec->output_image = new PicOutput;
+}
+
+static GstPadLinkReturn
+gst_diracdec_link (GstPad * pad, const GstCaps * caps)
+{
+  //GstDiracDec *diracdec = GST_DIRACDEC (gst_pad_get_parent (pad));
+  GstStructure *structure;
+
+  //GstCaps *srccaps;
+
+  structure = gst_caps_get_structure (caps, 0);
+
+  return GST_PAD_LINK_OK;
+}
+
+static void
+gst_diracdec_chain (GstPad * pad, GstData * _data)
+{
+  GstBuffer *buf = GST_BUFFER (_data);
+  GstDiracDec *diracdec;
+
+  g_return_if_fail (pad != NULL);
+  g_return_if_fail (GST_IS_PAD (pad));
+  g_return_if_fail (buf != NULL);
+
+  diracdec = GST_DIRACDEC (GST_OBJECT_PARENT (pad));
+
+  gst_buffer_unref (buf);
+}