From ad6ed7da2d0d15eecc924dfe408320652481e885 Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@pobox.com>
Date: Sat, 22 Dec 2001 23:26:33 +0000
Subject: Initial revision

Original commit message from CVS:
Initial revision
---
 gst/mpegaudioparse/gstmp3types.c | 77 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 gst/mpegaudioparse/gstmp3types.c

(limited to 'gst/mpegaudioparse/gstmp3types.c')

diff --git a/gst/mpegaudioparse/gstmp3types.c b/gst/mpegaudioparse/gstmp3types.c
new file mode 100644
index 00000000..efb9fd5b
--- /dev/null
+++ b/gst/mpegaudioparse/gstmp3types.c
@@ -0,0 +1,77 @@
+/* Gnome-Streamer
+ * 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.
+ */
+
+//#define DEBUG_ENABLED
+#include <gst/gst.h>
+
+static GstCaps* mp3_typefind(GstBuffer *buf, gpointer private);
+
+static GstTypeDefinition mp3type_definitions[] = {
+  { "mp3types_audio/mp3", "audio/mp3", ".mp3 .mp2 .mp1 .mpga", mp3_typefind },
+  { NULL, NULL, NULL, NULL },
+};
+
+static GstCaps* 
+mp3_typefind(GstBuffer *buf, gpointer private) 
+{
+  gulong head = GULONG_FROM_BE(*((gulong *)GST_BUFFER_DATA(buf)));
+  GstCaps *caps;
+
+  GST_DEBUG (0,"mp3typefind: typefind\n");
+  if ((head & 0xffe00000) != 0xffe00000)
+    return NULL;
+  if (!((head >> 17) & 3))
+    return NULL;
+  if (((head >> 12) & 0xf) == 0xf)
+    return NULL;
+  if (!((head >> 12) & 0xf))
+    return NULL;
+  if (((head >> 10) & 0x3) == 0x3)
+    return NULL;
+
+  caps = gst_caps_new ("mp3_typefind", "audio/mp3", NULL);
+//  gst_caps_set(caps,"layer",GST_PROPS_INT(4-((head>>17)&0x3)));
+
+  return caps;
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+  gint i=0;
+
+  while (mp3type_definitions[i].name) {
+    GstTypeFactory *type;
+
+    type = gst_typefactory_new (&mp3type_definitions[i]);
+    gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
+    i++;
+  }
+
+//  gst_info("gsttypes: loaded %d mp3 types\n",i);
+
+  return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+  GST_VERSION_MAJOR,
+  GST_VERSION_MINOR,
+  "mp3types",
+  plugin_init
+};
-- 
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