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/* GStreamer
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <SLES/OpenSLES.h>
#include "opensles.h"
#include "openslessink.h"
#include "openslessrc.h"
static GMutex engine_mutex;
static SLObjectItf engine_object = NULL;
static gint engine_object_refcount = 0;
SLObjectItf
gst_opensles_get_engine (void)
{
g_mutex_lock (&engine_mutex);
if (!engine_object) {
SLresult result;
result = slCreateEngine (&engine_object, 0, NULL, 0, NULL, NULL);
if (result != SL_RESULT_SUCCESS) {
GST_ERROR ("slCreateEngine failed(0x%08x)", (guint32) result);
engine_object = NULL;
}
result = (*engine_object)->Realize (engine_object, SL_BOOLEAN_FALSE);
if (result != SL_RESULT_SUCCESS) {
GST_ERROR ("engine.Realize failed(0x%08x)", (guint32) result);
(*engine_object)->Destroy (engine_object);
engine_object = NULL;
}
}
if (engine_object) {
engine_object_refcount++;
}
g_mutex_unlock (&engine_mutex);
return engine_object;
}
void
gst_opensles_release_engine (SLObjectItf engine_object_parameter)
{
g_mutex_lock (&engine_mutex);
g_assert (engine_object == engine_object_parameter);
if (engine_object) {
engine_object_refcount--;
if (engine_object_refcount == 0) {
(*engine_object)->Destroy (engine_object);
engine_object = NULL;
}
}
g_mutex_unlock (&engine_mutex);
}
static gboolean
plugin_init (GstPlugin * plugin)
{
g_mutex_init (&engine_mutex);
if (!gst_element_register (plugin, "openslessink", GST_RANK_PRIMARY,
GST_TYPE_OPENSLES_SINK)) {
return FALSE;
}
if (!gst_element_register (plugin, "openslessrc", GST_RANK_PRIMARY,
GST_TYPE_OPENSLES_SRC)) {
return FALSE;
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
opensles,
"OpenSL ES support for GStreamer",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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