Nicolas Dufresne
7e82d3c2a1
While GLib has locker implementation already using g_autoptr(), recursive mutex locker was only introduced in recent GLib. Implement a simple locker for GMutex and GRectMutex in order to allow making locking simpler and safer. Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
70 lines
1.1 KiB
C++
70 lines
1.1 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
/*
|
|
* Copyright (C) 2020, Collabora Ltd.
|
|
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
|
|
*
|
|
* gstlibcamera-utils.h - GStreamer libcamera Utility Functions
|
|
*/
|
|
|
|
#ifndef __GST_LIBCAMERA_UTILS_H__
|
|
#define __GST_LIBCAMERA_UTILS_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
|
|
#include <libcamera/stream.h>
|
|
|
|
GstCaps *gst_libcamera_stream_formats_to_caps(const libcamera::StreamFormats &formats);
|
|
|
|
/**
|
|
* \class GLibLocker
|
|
* \brief A simple scoped mutex locker for GMutex
|
|
*/
|
|
class GLibLocker
|
|
{
|
|
public:
|
|
GLibLocker(GMutex *mutex)
|
|
: mutex_(mutex)
|
|
{
|
|
g_mutex_lock(mutex_);
|
|
}
|
|
|
|
GLibLocker(GstObject *object)
|
|
: mutex_(GST_OBJECT_GET_LOCK(object))
|
|
{
|
|
g_mutex_lock(mutex_);
|
|
}
|
|
|
|
~GLibLocker()
|
|
{
|
|
g_mutex_unlock(mutex_);
|
|
}
|
|
|
|
private:
|
|
GMutex *mutex_;
|
|
};
|
|
|
|
/**
|
|
* \class GLibRecLocker
|
|
* \brief A simple scoped mutex locker for GRecMutex
|
|
*/
|
|
class GLibRecLocker
|
|
{
|
|
public:
|
|
GLibRecLocker(GRecMutex *mutex)
|
|
: mutex_(mutex)
|
|
{
|
|
g_rec_mutex_lock(mutex_);
|
|
}
|
|
|
|
~GLibRecLocker()
|
|
{
|
|
g_rec_mutex_unlock(mutex_);
|
|
}
|
|
|
|
private:
|
|
GRecMutex *mutex_;
|
|
};
|
|
|
|
#endif /* __GST_LIBCAMERA_UTILS_H__ */
|