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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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da9e012e8a
Split plugin into features including dynamic types which can be indiviually registered during a static build. More details here: https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199 https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2116>
88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/* GStreamer
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* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <SLES/OpenSLES.h>
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#include "opensles.h"
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#include "openslessink.h"
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#include "openslessrc.h"
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static GMutex engine_mutex;
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static SLObjectItf engine_object = NULL;
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static gint engine_object_refcount = 0;
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SLObjectItf
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gst_opensles_get_engine (void)
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{
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g_mutex_lock (&engine_mutex);
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if (!engine_object) {
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SLresult result;
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result = slCreateEngine (&engine_object, 0, NULL, 0, NULL, NULL);
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if (result != SL_RESULT_SUCCESS) {
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GST_ERROR ("slCreateEngine failed(0x%08x)", (guint32) result);
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engine_object = NULL;
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}
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result = (*engine_object)->Realize (engine_object, SL_BOOLEAN_FALSE);
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if (result != SL_RESULT_SUCCESS) {
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GST_ERROR ("engine.Realize failed(0x%08x)", (guint32) result);
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(*engine_object)->Destroy (engine_object);
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engine_object = NULL;
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}
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}
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if (engine_object) {
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engine_object_refcount++;
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}
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g_mutex_unlock (&engine_mutex);
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return engine_object;
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}
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void
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gst_opensles_release_engine (SLObjectItf engine_object_parameter)
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{
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g_mutex_lock (&engine_mutex);
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g_assert (engine_object == engine_object_parameter);
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if (engine_object) {
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engine_object_refcount--;
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if (engine_object_refcount == 0) {
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(*engine_object)->Destroy (engine_object);
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engine_object = NULL;
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}
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}
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g_mutex_unlock (&engine_mutex);
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}
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void
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opensles_element_init (GstPlugin * plugin)
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{
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static gsize res = FALSE;
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if (g_once_init_enter (&res)) {
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g_mutex_init (&engine_mutex);
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g_once_init_leave (&res, TRUE);
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}
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}
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