Files
clapper/lib/gst/plugin/gstclapperpaintable.h
Rafał Dzięgiel 34386bc96c plugin: Use different lock for importer within paintable
This way we can avoid an additional importer ref + unref for every frame draw
2022-05-18 19:25:00 +02:00

85 lines
3.0 KiB
C
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/*
* Copyright (C) 2022 Rafał Dzięgiel <rafostar.github@gmail.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.
*/
#pragma once
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstclapperimporter.h"
G_BEGIN_DECLS
#define GST_TYPE_CLAPPER_PAINTABLE (gst_clapper_paintable_get_type())
G_DECLARE_FINAL_TYPE (GstClapperPaintable, gst_clapper_paintable, GST, CLAPPER_PAINTABLE, GObject)
#define GST_CLAPPER_PAINTABLE_CAST(obj) ((GstClapperPaintable *)(obj))
#define GST_CLAPPER_PAINTABLE_GET_LOCK(obj) (&GST_CLAPPER_PAINTABLE_CAST(obj)->lock)
#define GST_CLAPPER_PAINTABLE_LOCK(obj) g_mutex_lock (GST_CLAPPER_PAINTABLE_GET_LOCK(obj))
#define GST_CLAPPER_PAINTABLE_UNLOCK(obj) g_mutex_unlock (GST_CLAPPER_PAINTABLE_GET_LOCK(obj))
#define GST_CLAPPER_PAINTABLE_IMPORTER_GET_LOCK(obj) (&GST_CLAPPER_PAINTABLE_CAST(obj)->importer_lock)
#define GST_CLAPPER_PAINTABLE_IMPORTER_LOCK(obj) g_mutex_lock (GST_CLAPPER_PAINTABLE_IMPORTER_GET_LOCK(obj))
#define GST_CLAPPER_PAINTABLE_IMPORTER_UNLOCK(obj) g_mutex_unlock (GST_CLAPPER_PAINTABLE_IMPORTER_GET_LOCK(obj))
struct _GstClapperPaintable
{
GObject parent;
GMutex lock;
GMutex importer_lock;
GstVideoInfo v_info;
GdkRGBA bg;
GWeakRef widget;
GstClapperImporter *importer;
/* Sink properties */
gint par_n, par_d;
/* For drawing overlays */
gdouble pixel_aspect;
/* Resize */
gboolean pending_resize;
guint display_ratio_num;
guint display_ratio_den;
/* GdkPaintableInterface */
gint display_width;
gint display_height;
gdouble display_aspect_ratio;
/* Pending draw signal id */
guint draw_id;
};
GstClapperPaintable * gst_clapper_paintable_new (void);
void gst_clapper_paintable_queue_draw (GstClapperPaintable *paintable);
void gst_clapper_paintable_set_widget (GstClapperPaintable *paintable, GtkWidget *widget);
void gst_clapper_paintable_set_importer (GstClapperPaintable *paintable, GstClapperImporter *importer);
gboolean gst_clapper_paintable_set_video_info (GstClapperPaintable *paintable, const GstVideoInfo *v_info);
void gst_clapper_paintable_set_pixel_aspect_ratio (GstClapperPaintable *paintable, gint par_n, gint par_d);
G_END_DECLS