1 files changed, 63 insertions, 0 deletions
diff --git a/gr-audio/lib/audio_registry.h b/gr-audio/lib/audio_registry.h
new file mode 100644
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--- /dev/null
+++ b/gr-audio/lib/audio_registry.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2011 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GR_AUDIO_REGISTRY_H
+#define INCLUDED_GR_AUDIO_REGISTRY_H
+
+#include <audio/sink.h>
+#include <audio/source.h>
+#include <string>
+
+namespace gr {
+  namespace audio {
+
+    typedef source::sptr(*source_factory_t)(int, const std::string &, bool);
+    typedef sink::sptr(*sink_factory_t)(int, const std::string &, bool);
+
+    enum reg_prio_type {
+      REG_PRIO_LOW = 100,
+      REG_PRIO_MED = 200,
+      REG_PRIO_HIGH = 300
+    };
+
+    void register_source(reg_prio_type prio, const std::string &arch,
+                         source_factory_t source);
+    void register_sink(reg_prio_type prio, const std::string &arch,
+                       sink_factory_t sink);
+
+#define AUDIO_REGISTER_FIXTURE(x) static struct x{x();}x;x::x()
+
+#define AUDIO_REGISTER_SOURCE(prio, arch) \
+    static source::sptr arch##_source_fcn(int, const std::string &, bool); \
+    AUDIO_REGISTER_FIXTURE(arch##_source_reg) {                   \
+      register_source(prio, #arch, &arch##_source_fcn);           \
+    } static source::sptr arch##_source_fcn
+
+#define AUDIO_REGISTER_SINK(prio, arch)                            \
+    static sink::sptr arch##_sink_fcn(int, const std::string &, bool); \
+    AUDIO_REGISTER_FIXTURE(arch##_sink_reg) {                     \
+      register_sink(prio, #arch, &arch##_sink_fcn);               \
+    } static sink::sptr arch##_sink_fcn
+
+  } /* namespace audio */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_AUDIO_REGISTRY_H */