Added non functional speex plugin. speex decoding needs a container.

Original commit message from CVS:
Added non functional speex plugin. speex decoding needs a container.

1 files changed, 154 insertions, 0 deletions

diff --git a/ext/speex/gstspeexdec.c b/ext/speex/gstspeexdec.c
new file mode 100644
index 00000000..c696e896
--- /dev/null
+++ b/ext/speex/gstspeexdec.c
@@ -0,0 +1,154 @@
+/* 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 <string.h>
+
+#include "gstspeexdec.h"
+
+extern GstPadTemplate *speexdec_src_template, *speexdec_sink_template;
+
+/* elementfactory information */
+GstElementDetails gst_speexdec_details = {
+  "speex audio decoder",
+  "Codec/Audio/Decoder",
+  ".speex",
+  VERSION,
+  "Wim Taymans <wim.taymans@chello.be>",
+  "(C) 2000",
+};
+
+/* SpeexDec signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  /* FILL ME */
+};
+
+static void			gst_speexdec_class_init	(GstSpeexDec *klass);
+static void			gst_speexdec_init		(GstSpeexDec *speexdec);
+
+static void			gst_speexdec_chain	(GstPad *pad, GstBuffer *buf);
+static GstPadConnectReturn	gst_speexdec_sinkconnect 	(GstPad *pad, GstCaps *caps);
+
+static GstElementClass *parent_class = NULL;
+/*static guint gst_speexdec_signals[LAST_SIGNAL] = { 0 }; */
+
+GType
+gst_speexdec_get_type(void) {
+  static GType speexdec_type = 0;
+
+  if (!speexdec_type) {
+    static const GTypeInfo speexdec_info = {
+      sizeof(GstSpeexDecClass),      NULL,
+      NULL,
+      (GClassInitFunc)gst_speexdec_class_init,
+      NULL,
+      NULL,
+      sizeof(GstSpeexDec),
+      0,
+      (GInstanceInitFunc)gst_speexdec_init,
+    };
+    speexdec_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSpeexDec", &speexdec_info, 0);
+  }
+  return speexdec_type;
+}
+
+static void
+gst_speexdec_class_init (GstSpeexDec *klass)
+{
+  GstElementClass *gstelement_class;
+
+  gstelement_class = (GstElementClass*)klass;
+
+  parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+}
+
+static void
+gst_speexdec_init (GstSpeexDec *speexdec)
+{
+  GST_DEBUG (0,"gst_speexdec_init: initializing");
+
+  /* create the sink and src pads */
+  speexdec->sinkpad = gst_pad_new_from_template (speexdec_sink_template, "sink");
+  gst_element_add_pad (GST_ELEMENT (speexdec), speexdec->sinkpad);
+  gst_pad_set_chain_function (speexdec->sinkpad, gst_speexdec_chain);
+  gst_pad_set_connect_function (speexdec->sinkpad, gst_speexdec_sinkconnect);
+
+  speexdec->srcpad = gst_pad_new_from_template (speexdec_src_template, "src");
+  gst_element_add_pad (GST_ELEMENT (speexdec), speexdec->srcpad);
+
+}
+
+static GstPadConnectReturn
+gst_speexdec_sinkconnect (GstPad *pad, GstCaps *caps)
+{
+  GstSpeexDec *speexdec;
+  gint rate;
+  
+  speexdec = GST_SPEEXDEC (gst_pad_get_parent (pad));
+
+  if (!GST_CAPS_IS_FIXED (caps))
+    return GST_PAD_CONNECT_DELAYED;
+  
+  gst_caps_get_int (caps, "rate", &rate);
+
+  if (gst_pad_try_set_caps (speexdec->srcpad, 
+		      GST_CAPS_NEW (
+	  		"speex_raw",
+			"audio/raw",
+			  "format",       GST_PROPS_STRING ("int"),
+			    "law",        GST_PROPS_INT (0),
+			    "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+			    "signed",     GST_PROPS_BOOLEAN (TRUE),
+			    "width",      GST_PROPS_INT (16),
+			    "depth",      GST_PROPS_INT (16),
+			    "rate",       GST_PROPS_INT (rate),
+			    "channels",   GST_PROPS_INT (1)
+			   )))
+  {
+    return GST_PAD_CONNECT_OK;
+  }
+  return GST_PAD_CONNECT_REFUSED;
+}
+
+static void
+gst_speexdec_chain (GstPad *pad, GstBuffer *buf)
+{
+  GstSpeexDec *speexdec;
+  gchar *data;
+  guint size;
+
+  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)); */
+
+  speexdec = GST_SPEEXDEC (gst_pad_get_parent (pad));
+
+  data = GST_BUFFER_DATA (buf);
+  size = GST_BUFFER_SIZE (buf);
+
+  gst_buffer_unref(buf);
+}
+