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675ddc85a1
An easy to use GTK integration library. Meant as a GtkVideo alternative. While GtkVideo is more of a simple example of video playback under GTK4, this acts as a full-fledged video player in the form of a GtkWidget that can be placed anywhere within application. The widget offers customization options for both top header and bottom playback controls panels. The Clapper playback API is exposed under widget "player" property making it easy for the programmer to set media and control playback programically. The new library will be distributed with Clapper player. This includes public headers and GObject Introspection support. Licensed under LGPL-2.1-or-later.
141 lines
4.2 KiB
C
141 lines
4.2 KiB
C
/* Clapper GTK Integration Library
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* Copyright (C) 2024 Rafał Dzięgiel <rafostar.github@gmail.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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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#include <clapper/clapper.h>
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#include "clapper-gtk-buffering-animation-private.h"
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#include "clapper-gtk-buffering-paintable-private.h"
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#define MIN_STEP_DELAY 30000
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#define GST_CAT_DEFAULT clapper_gtk_buffering_animation_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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struct _ClapperGtkBufferingAnimation
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{
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ClapperGtkContainer parent;
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ClapperGtkBufferingPaintable *buffering_paintable;
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guint tick_id;
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gint64 last_tick;
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};
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#define parent_class clapper_gtk_buffering_animation_parent_class
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G_DEFINE_TYPE (ClapperGtkBufferingAnimation, clapper_gtk_buffering_animation, CLAPPER_GTK_TYPE_CONTAINER)
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static gboolean
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_animation_tick (GtkWidget *picture, GdkFrameClock *frame_clock, ClapperGtkBufferingAnimation *self)
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{
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gint64 now = gdk_frame_clock_get_frame_time (frame_clock);
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/* We do not want for this animation to move too fast */
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if (now - self->last_tick >= MIN_STEP_DELAY) {
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GST_LOG_OBJECT (self, "Animation step, last: %" G_GINT64_FORMAT
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", now: %" G_GINT64_FORMAT, self->last_tick, now);
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clapper_gtk_buffering_paintable_step (self->buffering_paintable);
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self->last_tick = now;
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}
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return G_SOURCE_CONTINUE;
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}
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void
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clapper_gtk_buffering_animation_start (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture;
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if (self->tick_id != 0)
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return;
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GST_DEBUG_OBJECT (self, "Animation start");
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picture = clapper_gtk_container_get_child (CLAPPER_GTK_CONTAINER (self));
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self->tick_id = gtk_widget_add_tick_callback (picture,
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(GtkTickCallback) _animation_tick, self, NULL);
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}
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void
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clapper_gtk_buffering_animation_stop (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture;
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if (self->tick_id == 0)
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return;
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GST_DEBUG_OBJECT (self, "Animation stop");
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picture = clapper_gtk_container_get_child (CLAPPER_GTK_CONTAINER (self));
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gtk_widget_remove_tick_callback (picture, self->tick_id);
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self->tick_id = 0;
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self->last_tick = 0;
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clapper_gtk_buffering_paintable_reset (self->buffering_paintable);
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}
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static void
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clapper_gtk_buffering_animation_init (ClapperGtkBufferingAnimation *self)
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{
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GtkWidget *picture = gtk_picture_new ();
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self->buffering_paintable = clapper_gtk_buffering_paintable_new ();
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gtk_picture_set_paintable (GTK_PICTURE (picture),
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GDK_PAINTABLE (self->buffering_paintable));
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clapper_gtk_container_set_child (CLAPPER_GTK_CONTAINER (self), picture);
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}
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static void
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clapper_gtk_buffering_animation_unmap (GtkWidget *widget)
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{
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ClapperGtkBufferingAnimation *self = CLAPPER_GTK_BUFFERING_ANIMATION_CAST (widget);
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clapper_gtk_buffering_animation_stop (self);
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GTK_WIDGET_CLASS (parent_class)->unmap (widget);
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}
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static void
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clapper_gtk_buffering_animation_finalize (GObject *object)
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{
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ClapperGtkBufferingAnimation *self = CLAPPER_GTK_BUFFERING_ANIMATION_CAST (object);
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GST_TRACE_OBJECT (self, "Finalize");
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g_object_unref (self->buffering_paintable);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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clapper_gtk_buffering_animation_class_init (ClapperGtkBufferingAnimationClass *klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "clappergtkbufferinganimation", 0,
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"Clapper GTK Buffering Animation");
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gobject_class->finalize = clapper_gtk_buffering_animation_finalize;
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widget_class->unmap = clapper_gtk_buffering_animation_unmap;
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gtk_widget_class_set_css_name (widget_class, "clapper-gtk-buffering-animation");
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}
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