Added fame decoder, no clue on how to actually implement it (yet)

Original commit message from CVS:
Added fame decoder, no clue on how to actually implement it (yet)

2 files changed, 680 insertions, 0 deletions

diff --git a/ext/libfame/gstfamedec.c b/ext/libfame/gstfamedec.c
new file mode 100644
index 00000000..43ebdd94
--- /dev/null
+++ b/ext/libfame/gstfamedec.c
@@ -0,0 +1,593 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+
+#include <fame.h>
+#include <string.h>
+
+#include "gstlibfame.h"
+
+#define FAMEENC_BUFFER_SIZE (300 * 1024) 
+
+/* elementfactory information */
+static GstElementDetails gst_famedec_details = {
+  "MPEG1 and MPEG4 video decoder using the famedec library",
+  "Codec/Video/Encoder",
+  "Uses famedec to decode MPEG video streams",
+  VERSION,
+  "famedec: (C) 2000-2001, Vivien Chappelier\n"
+  "Thomas Vander Stichele <thomas@apestaart.org>",
+  "(C) 2002",
+};
+
+static GQuark fame_object_name;
+
+
+/* FameEnc signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  ARG_VERSION,
+  ARG_FRAMERATE,
+  ARG_BITRATE,
+  ARG_QUALITY,
+  ARG_PATTERN,
+  ARG_FAME_VERBOSE,
+  ARG_BUFFER_SIZE,
+  ARG_FRAMES_PER_SEQUENCE,
+  /* dynamically generated properties start here */
+  ARG_FAME_PROPS_START
+  /* FILL ME */
+};
+
+GST_PAD_TEMPLATE_FACTORY (sink_template_factory,
+  "sink",
+  GST_PAD_SINK,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "famedec_sink_caps",
+    "video/raw",
+      "format",		GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I','4','2','0')),
+      "width",		GST_PROPS_INT_RANGE (16, 4096),
+      "height",		GST_PROPS_INT_RANGE (16, 4096)
+  )
+)
+
+GST_PAD_TEMPLATE_FACTORY (src_template_factory,
+  "src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "famedec_src_caps",
+    "video/mpeg",
+      "mpegversion", GST_PROPS_LIST (
+	  GST_PROPS_INT (1), GST_PROPS_INT (4)),
+      "systemstream", GST_PROPS_BOOLEAN (FALSE)
+  )
+);
+
+#define MAX_FRAME_RATES  16
+typedef struct
+{
+  gint num;
+  gint den;
+} frame_rate_entry;
+
+static const frame_rate_entry frame_rates[] =
+{
+  { 0, 0 },
+  { 24000, 1001 },
+  { 24, 1 },
+  { 25, 1 },
+  { 30000, 1001 },
+  { 30, 1 },
+  { 50, 1 },
+  { 60000, 1001 },
+  { 60, 1 },
+  { 0, 0 },
+  { 0, 0 },
+  { 0, 0 },
+  { 0, 0 },
+  { 0, 0 },
+  { 0, 0 },
+  { 0, 0 },
+};
+
+static gint
+framerate_to_index (num, den)
+{
+  gint i;
+  
+  for (i = 0; i < MAX_FRAME_RATES; i++) {
+    if (frame_rates[i].num == num && frame_rates[i].den == den)
+      return i;
+  }
+  return 0;
+}
+
+#define GST_TYPE_FAMEENC_FRAMERATE (gst_famedec_framerate_get_type())
+static GType
+gst_famedec_framerate_get_type(void) {
+  static GType famedec_framerate_type = 0;
+  static GEnumValue famedec_framerate[] = {
+    {1, "1", "24000/1001 (23.97)"},
+    {2, "2", "24"},
+    {3, "3", "25"},
+    {4, "4", "30000/1001 (29.97)"},
+    {5, "5", "30"},
+    {6, "6", "50"},
+    {7, "7", "60000/1001 (59.94)"},
+    {8, "8", "60"},
+    {0, NULL, NULL},
+  };
+  if (!famedec_framerate_type) {
+    famedec_framerate_type = g_enum_register_static("GstFameEncFrameRate", famedec_framerate);
+  }
+  return famedec_framerate_type;
+}
+
+static void	gst_famedec_class_init		(GstFameEncClass *klass);
+static void	gst_famedec_init		(GstFameEnc *famedec);
+static void	gst_famedec_dispose		(GObject *object);
+
+static void	gst_famedec_set_property	(GObject *object, guint prop_id, 
+						 const GValue *value, GParamSpec *pspec);
+static void	gst_famedec_get_property	(GObject *object, guint prop_id, 
+						 GValue *value, GParamSpec *pspec);
+
+static void	gst_famedec_chain		(GstPad *pad, GstBuffer *buf);
+
+static GstElementClass *parent_class = NULL;
+/*static guint gst_famedec_signals[LAST_SIGNAL] = { 0 };*/
+
+GType
+gst_famedec_get_type (void)
+{
+  static GType famedec_type = 0;
+
+  if (!famedec_type) {
+    static const GTypeInfo famedec_info = {
+      sizeof (GstFameEncClass),      
+      NULL,
+      NULL,
+      (GClassInitFunc) gst_famedec_class_init,
+      NULL,
+      NULL,
+      sizeof (GstFameEnc),
+      0,
+      (GInstanceInitFunc) gst_famedec_init,
+    };
+    famedec_type = g_type_register_static (GST_TYPE_ELEMENT, 
+	                                   "GstFameEnc", &famedec_info, 0);
+  }
+  return famedec_type;
+}
+
+static int
+gst_famedec_item_compare (fame_list_t *item1, fame_list_t *item2)
+{
+  return strcmp (item1->type, item2->type);
+}
+
+static void
+gst_famedec_class_init (GstFameEncClass *klass)
+{
+  GObjectClass *gobject_class = NULL;
+  GstElementClass *gstelement_class = NULL;
+  fame_context_t *context;
+  fame_list_t *walk;
+  GList *props = NULL, *props_walk;
+  gint current_prop = ARG_FAME_PROPS_START;
+
+  gobject_class = (GObjectClass*) klass;
+  gstelement_class = (GstElementClass*) klass;
+
+  parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+  gobject_class->set_property = gst_famedec_set_property;
+  gobject_class->get_property = gst_famedec_get_property;
+  gobject_class->dispose = gst_famedec_dispose;
+
+  fame_object_name = g_quark_from_string ("GstFameObjectName");
+
+  context = fame_open ();
+  g_assert (context);
+
+  /* first sort the list */
+  walk = context->type_list;
+  while (walk) {
+    props = g_list_insert_sorted (props, walk, (GCompareFunc)gst_famedec_item_compare);
+    walk = walk->next;
+  }
+
+  props_walk = props;
+  while (props_walk) {
+    GArray *array;
+    const gchar *current_type;
+    gint current_len;
+    gint current_value;
+    fame_object_t *current_default;
+    gint default_index;
+
+    walk = (fame_list_t *)props_walk->data;
+    array = g_array_new (TRUE, FALSE, sizeof (GEnumValue));
+
+    current_type = walk->type;
+    current_value = 0;
+    current_len = strlen (walk->type);
+    current_default = fame_get_object (context, current_type);
+    default_index = 1;
+
+    do {
+      if (strstr (walk->type, "/")) {
+	GEnumValue value;
+
+	if (current_default == walk->item) 
+          default_index = current_value;
+
+	value.value = current_value++;
+	value.value_name = g_strdup (walk->type);
+	value.value_nick = g_strdup (walk->item->name);
+	
+	g_array_append_val (array, value);
+      }
+
+      props_walk = g_list_next (props_walk);
+      if (props_walk)
+	walk = (fame_list_t *)props_walk->data;
+
+    } while (props_walk && !strncmp (walk->type, current_type, current_len));
+
+    if (array->len > 0) {
+      GType type;
+      GParamSpec *pspec;
+      
+      type = g_enum_register_static (g_strdup_printf ("GstFameEnc_%s", current_type), (GEnumValue *)array->data);
+
+      pspec = g_param_spec_enum (current_type, current_type, g_strdup_printf ("The FAME \"%s\" object", current_type),
+                           type, default_index, G_PARAM_READWRITE);
+
+      g_param_spec_set_qdata (pspec, fame_object_name, (gpointer) current_type);
+      
+      g_object_class_install_property (G_OBJECT_CLASS (klass), current_prop++, pspec);
+    }
+  }
+
+  g_object_class_install_property (gobject_class, ARG_FRAMERATE,
+    g_param_spec_enum ("framerate", "Frame Rate", "Number of frames per second",
+                       GST_TYPE_FAMEENC_FRAMERATE, 3, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_BITRATE,
+    g_param_spec_int ("bitrate", "Bitrate", "Target bitrate (0 = VBR)",
+                      0, 5000000, 0, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_QUALITY,
+    g_param_spec_int ("quality", "Quality", "Percentage of quality of compression (versus size)",
+                      0, 100, 75, G_PARAM_READWRITE)); 
+  g_object_class_install_property (gobject_class, ARG_PATTERN,
+    g_param_spec_string ("pattern", "Pattern", "Encoding pattern of I, P, and B frames",
+                         "IPPPPPPPPPPP", G_PARAM_READWRITE)); 
+  g_object_class_install_property (gobject_class, ARG_FRAMES_PER_SEQUENCE,
+    g_param_spec_int ("frames_per_sequence", "Frames Per Sequdece", 
+	              "The number of frames in one sequence",
+                      1, G_MAXINT, 12, G_PARAM_READWRITE)); 
+  g_object_class_install_property (gobject_class, ARG_FAME_VERBOSE,
+    g_param_spec_boolean ("fame_verbose", "Fame Verbose", "Make FAME produce verbose output",
+                         FALSE, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, ARG_BUFFER_SIZE,
+    g_param_spec_int ("buffer_size", "Buffer Size", "Set the decoding output buffer size",
+                      0, 1024*1024, FAMEENC_BUFFER_SIZE, G_PARAM_READWRITE)); 
+}
+
+static GstPadConnectReturn
+gst_famedec_sinkconnect (GstPad *pad, GstCaps *caps)
+{
+  gint width, height;
+  GstFameEnc *famedec;
+
+  famedec = GST_FAMEENC (gst_pad_get_parent (pad));
+
+  if (!GST_CAPS_IS_FIXED (caps)) 
+    return GST_PAD_CONNECT_DELAYED;
+
+  if (famedec->initialized) {
+    GST_DEBUG(0, "error: famedec decoder already initialized !");
+    return GST_PAD_CONNECT_REFUSED;
+  }
+
+  gst_caps_get_int (caps, "width", &width);
+  gst_caps_get_int (caps, "height", &height);
+  
+  /* famedec requires width and height to be multiples of 16 */
+  if (width % 16 != 0 || height % 16 != 0)
+    return GST_PAD_CONNECT_REFUSED;
+
+  famedec->fp.width = width;
+  famedec->fp.height = height;
+  famedec->fp.coding = (const char *) famedec->pattern;
+
+  /* FIXME: choose good parameters */
+  famedec->fp.slices_per_frame = 1;
+
+  /* FIXME: handle these properly */
+  famedec->fp.shape_quality = 75;
+  famedec->fp.search_range = 0;
+  famedec->fp.total_frames = 0;
+  famedec->fp.retrieve_cb = NULL;
+
+  fame_init (famedec->fc, &famedec->fp, famedec->buffer, famedec->buffer_size);
+
+  famedec->initialized = TRUE;
+
+  return GST_PAD_CONNECT_OK;
+}
+
+static void
+gst_famedec_init (GstFameEnc *famedec)
+{
+  g_assert (famedec != NULL);
+  g_assert (GST_IS_FAMEENC (famedec));
+
+  /* open famedec */
+  famedec->fc = fame_open ();
+  g_assert (famedec->fc != NULL);
+
+  /* create the sink and src pads */
+  famedec->sinkpad = gst_pad_new_from_template (
+		  GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
+  gst_element_add_pad (GST_ELEMENT (famedec), famedec->sinkpad);
+  gst_pad_set_chain_function (famedec->sinkpad, gst_famedec_chain);
+  gst_pad_set_connect_function (famedec->sinkpad, gst_famedec_sinkconnect);
+
+  famedec->srcpad = gst_pad_new_from_template (
+                      GST_PAD_TEMPLATE_GET (src_template_factory), "src");
+  gst_element_add_pad (GST_ELEMENT (famedec), famedec->srcpad);
+  /* FIXME: set some more handler functions here */
+
+  famedec->verbose = FALSE;
+
+  /* reset the initial video state */
+  famedec->fp.width = -1;
+  famedec->fp.height = -1;
+  famedec->initialized = FALSE;
+
+  /* defaults */
+  famedec->fp.bitrate = 0;
+  famedec->fp.quality = 75;
+  famedec->fp.frame_rate_num = 25;
+  famedec->fp.frame_rate_den = 1; /* avoid floating point exceptions */
+  famedec->fp.frames_per_sequence = 12; 
+
+  famedec->pattern = g_strdup ("IPPPPPPPPPP");
+
+  /* allocate space for the buffer */
+  famedec->buffer_size = FAMEENC_BUFFER_SIZE; /* FIXME */
+  famedec->buffer = (unsigned char *) g_malloc (famedec->buffer_size);
+}
+
+static void
+gst_famedec_dispose (GObject *object)
+{
+  GstFameEnc *famedec = GST_FAMEENC (object);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+
+  g_free (famedec->buffer);
+}
+
+static void
+gst_famedec_chain (GstPad *pad, GstBuffer *buf)
+{
+  GstFameEnc *famedec;
+  guchar *data;
+  gulong size;
+  gint frame_size;
+  gint length;
+
+  g_return_if_fail (pad != NULL);
+  g_return_if_fail (GST_IS_PAD (pad));
+  g_return_if_fail (buf != NULL);
+  g_return_if_fail (GST_IS_BUFFER (buf));
+
+  famedec = GST_FAMEENC (gst_pad_get_parent (pad));
+
+  data = (guchar *) GST_BUFFER_DATA (buf);
+  size = GST_BUFFER_SIZE (buf);
+
+  GST_DEBUG (0,"gst_famedec_chain: got buffer of %ld bytes in '%s'", 
+	     size, GST_OBJECT_NAME (famedec));
+
+  /* the data contains the three planes side by side, with size w * h, w * h /4,
+   * w * h / 4 */
+  famedec->fy.w = famedec->fp.width;
+  famedec->fy.h = famedec->fp.height;
+
+  frame_size = famedec->fp.width * famedec->fp.height;
+
+  famedec->fy.p = 0; 
+  famedec->fy.y = data;
+  famedec->fy.u = data + frame_size;
+  famedec->fy.v = famedec->fy.u + (frame_size >> 2);
+
+  fame_start_frame (famedec->fc, &famedec->fy, NULL);
+
+  while ((length = fame_encode_slice (famedec->fc)) != 0) {
+    GstBuffer *outbuf;
+
+    outbuf = gst_buffer_new ();
+
+    /* FIXME: safeguard, remove me when a better way is found */
+    if (length > FAMEENC_BUFFER_SIZE)
+      g_warning ("FAMEENC_BUFFER_SIZE is defined too low, decoded slice has size %d !\n", length);
+
+    GST_BUFFER_SIZE (outbuf) = length;
+    GST_BUFFER_DATA (outbuf) = g_malloc (length);
+    memcpy (GST_BUFFER_DATA(outbuf), famedec->buffer, length);
+
+    GST_DEBUG (0,"gst_famedec_chain: pushing buffer of size %d",
+               GST_BUFFER_SIZE(outbuf));
+
+    gst_pad_push (famedec->srcpad, outbuf);
+  }
+
+  fame_end_frame (famedec->fc, NULL); 
+
+  gst_buffer_unref(buf);
+}
+
+static void
+gst_famedec_set_property (GObject *object, guint prop_id, 
+	                  const GValue *value, GParamSpec *pspec)
+{
+  GstFameEnc *famedec;
+
+  g_return_if_fail (GST_IS_FAMEENC (object));
+  famedec = GST_FAMEENC (object);
+
+  if (famedec->initialized) {
+    GST_DEBUG(0, "error: famedec decoder already initialized, cannot set properties !");
+    return;
+  }
+
+  switch (prop_id) {
+    case ARG_FRAMERATE:
+    {
+      gint index = g_value_get_enum (value);
+
+      famedec->fp.frame_rate_num = frame_rates[index].num;
+      famedec->fp.frame_rate_den = frame_rates[index].den;
+      break;
+    }
+    case ARG_BITRATE:
+      famedec->fp.bitrate = g_value_get_int (value);
+      break;
+    case ARG_QUALITY:
+      famedec->fp.quality = CLAMP (g_value_get_int (value), 0, 100);
+      break;
+    case ARG_PATTERN:
+      g_free (famedec->pattern);
+      famedec->pattern = g_strdup (g_value_get_string (value));
+      break;
+    case ARG_FAME_VERBOSE:
+      famedec->verbose = g_value_get_boolean (value);
+      break;
+    case ARG_BUFFER_SIZE:
+      famedec->buffer_size = g_value_get_int (value);
+      break;
+    case ARG_FRAMES_PER_SEQUENCE:
+      famedec->fp.frames_per_sequence = g_value_get_int (value);
+      break;
+    default:
+      if (prop_id >= ARG_FAME_PROPS_START) {
+	gchar *name;
+	gint index = g_value_get_enum (value);
+	GEnumValue *values;
+
+	values = G_ENUM_CLASS (g_type_class_ref (pspec->value_type))->values;
+	name = (gchar *) g_param_spec_get_qdata (pspec, fame_object_name);
+	
+        fame_register (famedec->fc, name, fame_get_object (famedec->fc, values[index].value_name));
+      }
+      else
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_famedec_get_property (GObject *object, guint prop_id, 
+	                  GValue *value, GParamSpec *pspec)
+{
+  GstFameEnc *famedec;
+
+  g_return_if_fail (GST_IS_FAMEENC (object));
+  famedec = GST_FAMEENC (object);
+
+  switch (prop_id) {
+    case ARG_FRAMERATE:
+    {
+      gint index = framerate_to_index (famedec->fp.frame_rate_num, 
+		                       famedec->fp.frame_rate_den);
+      g_value_set_enum (value, index);
+      break;
+    }
+    case ARG_BITRATE:
+      g_value_set_int (value, famedec->fp.bitrate);
+      break;
+    case ARG_QUALITY:
+      g_value_set_int (value, famedec->fp.quality);
+      break;
+    case ARG_PATTERN:
+      g_value_set_string (value, g_strdup (famedec->pattern));
+      break;
+    case ARG_FAME_VERBOSE:
+      g_value_set_boolean (value, famedec->verbose);
+      break;
+    case ARG_BUFFER_SIZE:
+      g_value_set_int (value, famedec->buffer_size);
+      break;
+    case ARG_FRAMES_PER_SEQUENCE:
+      g_value_set_int (value, famedec->fp.frames_per_sequence);
+      break;
+    default:
+      if (prop_id >= ARG_FAME_PROPS_START) {
+	gchar *name;
+	gint index = 0;
+	GEnumValue *values;
+	fame_object_t *f_object;
+
+	values = G_ENUM_CLASS (g_type_class_ref (pspec->value_type))->values;
+	name = (gchar *) g_param_spec_get_qdata (pspec, fame_object_name);
+	
+	f_object = fame_get_object (famedec->fc, name);
+
+	while (values[index].value_name) {
+	  if (!strcmp (values[index].value_nick, f_object->name)) {
+            g_value_set_enum (value, index);
+	    return;
+	  }
+	  index++;
+	}
+      }
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+gboolean
+gst_famedec_plugin_init (GModule *module, GstPlugin *plugin)
+{
+  GstElementFactory *factory;
+
+  /* create an elementfactory for the famedec element */
+  factory = gst_element_factory_new ("famedec", GST_TYPE_FAMEENC,
+                                     &gst_famedec_details);
+  g_return_val_if_fail (factory != NULL, FALSE);
+
+  gst_element_factory_add_pad_template (factory, 
+      GST_PAD_TEMPLATE_GET (sink_template_factory));
+  gst_element_factory_add_pad_template (factory, 
+      GST_PAD_TEMPLATE_GET (src_template_factory));
+
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+  return TRUE;
+}
+
diff --git a/ext/libfame/gstfamedec.h b/ext/libfame/gstfamedec.h
new file mode 100644
index 00000000..8dbc8769
--- /dev/null
+++ b/ext/libfame/gstfamedec.h
@@ -0,0 +1,87 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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_FAMEDEC_H__
+#define __GST_FAMEDEC_H__
+
+#include <gst/gst.h>
+#include <fame.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_FAMEDEC \
+  (gst_famedec_get_type())
+#define GST_FAMEDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FAMEDEC,GstFameDec))
+#define GST_FAMEDEC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FAMEDEC,GstFameDec))
+#define GST_IS_FAMEDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FAMEDEC))
+#define GST_IS_FAMEDEC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FAMEDEC))
+
+typedef struct _GstFameDec GstFameDec;
+typedef struct _GstFameDecClass GstFameDecClass;
+
+struct _GstFameDec {
+  GstElement element;
+
+  /* pads */
+  GstPad *sinkpad, *srcpad;
+
+  /* the timestamp of the next frame */
+  guint64 next_time;
+  /* the interval between frames */
+  guint64 time_interval;
+
+  /* video state */
+  gint format;
+  /* the size of the output buffer */
+  gint outsize;
+
+  /* decoding pattern string */
+  gchar *pattern;
+
+  /* famedec stuff */
+  gboolean verbose;
+  fame_context_t *fc;
+  fame_parameters_t fp;
+  fame_yuv_t fy;
+  gulong buffer_size;
+  unsigned char *buffer;
+  gboolean initialized;
+};
+
+struct _GstFameDecClass {
+  GstElementClass parent_class;
+};
+
+GType gst_famedec_get_type (void);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_FAMEDEC_H__ */