Add an OFA element, the successor of MusicBrainz TRM fingerprinting.

Original commit message from CVS:
Based on a patch by: Eric Buehl <eric dot buehl at gmail dot com>
* configure.ac:
* ext/ofa/Makefile.am:
* ext/ofa/gstofa.c: (gst_ofa_base_init), (gst_ofa_finalize),
(gst_ofa_class_init), (create_fingerprint), (gst_ofa_event),
(gst_ofa_init), (gst_ofa_transform_ip), (gst_ofa_get_property),
(plugin_init):
* ext/ofa/gstofa.h:
Add an OFA element, the successor of MusicBrainz TRM fingerprinting.
Fixes bug #351309.

1 files changed, 79 insertions, 0 deletions

diff --git a/ext/ofa/gstofa.h b/ext/ofa/gstofa.h
new file mode 100644
index 00000000..347a8ca4
--- /dev/null
+++ b/ext/ofa/gstofa.h
@@ -0,0 +1,79 @@
+/* GStreamer
+ *
+ * gstofa.h
+ *
+ * Copyright (C) 2006 M. Derezynski
+ * Copyright (C) 2008 Eric Buehl
+ * Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.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., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301 USA.
+ */
+
+#ifndef __GST_OFA_H__
+#define __GST_OFA_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+#include <gst/audio/gstaudiofilter.h>
+#include <gst/audio/audio.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_OFA \
+  (gst_ofa_get_type())
+#define GST_OFA(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OFA,GstOFA))
+#define GST_OFA_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OFA,GstOFAClass))
+#define GST_IS_OFA(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OFA))
+#define GST_IS_OFA_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OFA))
+
+#define GST_TAG_OFA_FINGERPRINT "ofa-fingerprint"
+
+typedef struct _GstOFA GstOFA;
+typedef struct _GstOFAClass GstOFAClass;
+
+
+/**
+ * GstOFA:
+ *
+ * Opaque #GstOFA data structure
+ */
+
+struct _GstOFA
+{
+  GstAudioFilter element;
+
+  /*< private > */
+
+  GstAdapter *adapter;
+  char *fingerprint;
+  gboolean record;
+};
+
+struct _GstOFAClass
+{
+  GstAudioFilterClass parent_class;
+};
+
+GType gst_ofa_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_OFA_H__ */