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/*
* Copyright (C) 2014 Michal Ratajsky <michal.ratajsky@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the licence, 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include <glib-object.h>
#include "matemixer-backend.h"
#include "matemixer-stream.h"
G_DEFINE_INTERFACE (MateMixerBackend, mate_mixer_backend, G_TYPE_OBJECT)
static void
mate_mixer_backend_default_init (MateMixerBackendInterface *iface)
{
}
gboolean
mate_mixer_backend_open (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), FALSE);
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->open)
return iface->open (backend);
return FALSE;
}
void
mate_mixer_backend_close (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_if_fail (MATE_MIXER_IS_BACKEND (backend));
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->close)
iface->close (backend);
}
GList *
mate_mixer_backend_list_devices (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), NULL);
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->list_devices)
return iface->list_devices (backend);
return NULL;
}
GList *
mate_mixer_backend_list_streams (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), NULL);
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->list_streams)
return iface->list_streams (backend);
return NULL;
}
MateMixerStream *
mate_mixer_backend_get_default_input_stream (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), NULL);
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->get_default_input_stream)
return iface->get_default_input_stream (backend);
return NULL;
}
MateMixerStream *
mate_mixer_backend_get_default_output_stream (MateMixerBackend *backend)
{
MateMixerBackendInterface *iface;
g_return_val_if_fail (MATE_MIXER_IS_BACKEND (backend), NULL);
iface = MATE_MIXER_BACKEND_GET_INTERFACE (backend);
if (iface->get_default_output_stream)
return iface->get_default_output_stream (backend);
return NULL;
}
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