gr_audio_registry.h

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/*
 * 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 <gr_audio_sink.h>
#include <gr_audio_source.h>
#include <string>

typedef audio_source::sptr(*source_factory_t)(int, const std::string &, bool);
typedef audio_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 audio_register_source(reg_prio_type prio, const std::string &arch, source_factory_t source);
void audio_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 audio_source::sptr arch##_source_fcn(int, const std::string &, bool); \
    AUDIO_REGISTER_FIXTURE(arch##_source_reg){ \
        audio_register_source(prio, #arch, &arch##_source_fcn); \
    } static audio_source::sptr arch##_source_fcn

#define AUDIO_REGISTER_SINK(prio, arch) \
    static audio_sink::sptr arch##_sink_fcn(int, const std::string &, bool); \
    AUDIO_REGISTER_FIXTURE(arch##_sink_reg){ \
        audio_register_sink(prio, #arch, &arch##_sink_fcn); \
    } static audio_sink::sptr arch##_sink_fcn

#endif /* INCLUDED_GR_AUDIO_REGISTRY_H */