mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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324 lines
9.8 KiB
C
324 lines
9.8 KiB
C
/*
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* GStreamer
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* Copyright (C) 2014-2015 Jan Schmidt <jan@centricular.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 "mviewwidget.h"
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G_DEFINE_TYPE (GstMViewWidget, gst_mview_widget, GTK_TYPE_GRID);
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static void gst_mview_widget_constructed (GObject * o);
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static void gst_mview_widget_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_mview_widget_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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#define DEFAULT_DOWNMIX GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS
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enum
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{
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PROP_0,
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PROP_IS_OUTPUT,
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PROP_MODE_SELECTOR,
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PROP_FLAGS,
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PROP_DOWNMIX_MODE
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};
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typedef struct _ToggleClosure
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{
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GstMViewWidget *mv;
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GstVideoMultiviewFlags flag;
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} ToggleClosure;
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static GtkWidget *combo_box_from_enum (GType enum_type);
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static void
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gst_mview_widget_class_init (GstMViewWidgetClass * klass)
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{
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GObjectClass *object_klass = (GObjectClass *) (klass);
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object_klass->constructed = gst_mview_widget_constructed;
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object_klass->set_property = gst_mview_widget_set_property;
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object_klass->get_property = gst_mview_widget_get_property;
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g_object_class_install_property (object_klass, PROP_IS_OUTPUT,
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g_param_spec_boolean ("is-output", "Is an Output widget",
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"TRUE if the widget should have downmix mode", FALSE,
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G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_klass, PROP_MODE_SELECTOR,
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g_param_spec_object ("mode-selector", "Multiview Mode selector",
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"Multiview Mode selector widget",
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GTK_TYPE_WIDGET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_klass, PROP_FLAGS,
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g_param_spec_flags ("flags", "Multiview Flags",
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"multiview flags", GST_TYPE_VIDEO_MULTIVIEW_FLAGS,
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GST_VIDEO_MULTIVIEW_FLAGS_NONE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_klass, PROP_DOWNMIX_MODE,
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g_param_spec_enum ("downmix-mode",
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"Mode for mono downmixed output",
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"Output anaglyph type to generate when downmixing to mono",
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GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE, DEFAULT_DOWNMIX,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_mview_widget_init (GstMViewWidget * mv)
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{
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}
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static void
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flag_changed (GObject * w, ToggleClosure * c)
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{
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GstMViewWidget *mv = GST_MVIEW_WIDGET (c->mv);
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gboolean flag_set;
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g_object_get (w, "active", &flag_set, NULL);
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if (flag_set)
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mv->flags |= c->flag;
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else
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mv->flags &= ~(c->flag);
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if (!mv->synching)
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g_object_notify (G_OBJECT (mv), "flags");
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}
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static void
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link_button_to_flag (GstMViewWidget * mv, GtkWidget * w,
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GstVideoMultiviewFlags flag)
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{
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ToggleClosure *c = g_new0 (ToggleClosure, 1);
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c->mv = mv;
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c->flag = flag;
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g_signal_connect_data (G_OBJECT (w), "toggled", G_CALLBACK (flag_changed),
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c, (GClosureNotify) g_free, 0);
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}
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static void
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sync_flags (GstMViewWidget * mv)
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{
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mv->synching = TRUE;
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g_object_set (G_OBJECT (mv->lflip), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED), NULL);
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g_object_set (G_OBJECT (mv->lflop), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED), NULL);
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g_object_set (G_OBJECT (mv->rflip), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED), NULL);
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g_object_set (G_OBJECT (mv->rflop), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED), NULL);
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g_object_set (G_OBJECT (mv->right_first), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST), NULL);
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g_object_set (G_OBJECT (mv->half_aspect), "active",
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! !(mv->flags & GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT), NULL);
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mv->synching = FALSE;
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}
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static const gchar *
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enum_value_to_nick (GType enum_type, guint value)
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{
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GEnumClass *enum_info;
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GEnumValue *v;
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const gchar *nick;
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enum_info = (GEnumClass *) (g_type_class_ref (enum_type));
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g_return_val_if_fail (enum_info != NULL, NULL);
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v = g_enum_get_value (enum_info, value);
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g_return_val_if_fail (v != NULL, NULL);
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nick = v->value_nick;
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g_type_class_unref (enum_info);
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return nick;
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}
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static void
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sync_downmix (GstMViewWidget * mv)
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{
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mv->synching = TRUE;
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gtk_combo_box_set_active_id (GTK_COMBO_BOX (mv->downmix_combo),
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enum_value_to_nick (GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE,
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mv->downmix_mode));
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mv->synching = FALSE;
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}
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static gboolean
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set_downmix_mode (GtkWidget * widget, gpointer data)
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{
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GstMViewWidget *mv = GST_MVIEW_WIDGET (data);
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gchar *downmix_mode = NULL;
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GEnumClass *p_class;
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GEnumValue *v;
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GParamSpec *p =
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g_object_class_find_property (G_OBJECT_GET_CLASS (mv), "downmix-mode");
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g_return_val_if_fail (p != NULL, FALSE);
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p_class = G_PARAM_SPEC_ENUM (p)->enum_class;
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g_return_val_if_fail (p_class != NULL, FALSE);
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g_object_get (G_OBJECT (widget), "active-id", &downmix_mode, NULL);
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g_return_val_if_fail (downmix_mode != NULL, FALSE);
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v = g_enum_get_value_by_nick (p_class, downmix_mode);
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g_return_val_if_fail (v != NULL, FALSE);
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mv->downmix_mode = v->value;
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if (!mv->synching)
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g_object_notify (G_OBJECT (mv), "downmix-mode");
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return FALSE;
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}
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static void
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gst_mview_widget_constructed (GObject * o)
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{
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GstMViewWidget *mv = GST_MVIEW_WIDGET (o);
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GtkGrid *g = GTK_GRID (mv);
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GtkWidget *w;
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gtk_widget_set_has_window (GTK_WIDGET (mv), FALSE);
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if (mv->is_output) {
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mv->mode_selector = w = combo_box_from_enum (GST_TYPE_VIDEO_MULTIVIEW_MODE);
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gtk_grid_attach (g, gtk_label_new ("Output:"), 0, 0, 1, 1);
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} else {
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mv->mode_selector = w =
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combo_box_from_enum (GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING);
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gtk_grid_attach (g, gtk_label_new ("Input:"), 0, 0, 1, 1);
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}
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gtk_grid_attach (g, mv->mode_selector, 1, 0, 3, 1);
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gtk_grid_attach (g, gtk_label_new (" Left "), 4, 0, 1, 1);
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mv->lflip = w = gtk_toggle_button_new_with_label ("Flip");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLIPPED);
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gtk_grid_attach (g, w, 5, 0, 1, 1);
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mv->lflop = w = gtk_toggle_button_new_with_label ("Flop");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_LEFT_FLOPPED);
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gtk_grid_attach (g, w, 6, 0, 1, 1);
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gtk_grid_attach (g, gtk_label_new (" Right "), 4, 1, 1, 1);
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mv->rflip = w = gtk_toggle_button_new_with_label ("Flip");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLIPPED);
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gtk_grid_attach (g, w, 5, 1, 1, 1);
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mv->rflop = w = gtk_toggle_button_new_with_label ("Flop");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_FLOPPED);
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gtk_grid_attach (g, w, 6, 1, 1, 1);
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mv->right_first = w = gtk_toggle_button_new_with_label ("Left/Right swap");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST);
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gtk_grid_attach (g, w, 1, 1, 1, 1);
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mv->half_aspect = w = gtk_toggle_button_new_with_label ("Half-Aspect");
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link_button_to_flag (mv, w, GST_VIDEO_MULTIVIEW_FLAGS_HALF_ASPECT);
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gtk_grid_attach (g, w, 2, 1, 1, 1);
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if (mv->is_output) {
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mv->downmix_combo = w =
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combo_box_from_enum (GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE);
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gtk_grid_attach (g, w, 1, 2, 3, 1);
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sync_downmix (mv);
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g_signal_connect (G_OBJECT (w), "changed",
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G_CALLBACK (set_downmix_mode), mv);
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}
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}
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static void
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gst_mview_widget_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstMViewWidget *mv = GST_MVIEW_WIDGET (object);
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switch (prop_id) {
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case PROP_IS_OUTPUT:
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mv->is_output = g_value_get_boolean (value);
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break;
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case PROP_FLAGS:
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mv->flags = (GstVideoMultiviewFlags) g_value_get_flags (value);
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sync_flags (mv);
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break;
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case PROP_DOWNMIX_MODE:
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mv->downmix_mode = g_value_get_enum (value);
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sync_downmix (mv);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_mview_widget_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstMViewWidget *mv = GST_MVIEW_WIDGET (object);
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switch (prop_id) {
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case PROP_IS_OUTPUT:
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g_value_set_boolean (value, mv->is_output);
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break;
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case PROP_MODE_SELECTOR:
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g_value_set_object (value, mv->mode_selector);
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break;
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case PROP_FLAGS:
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g_value_set_flags (value, mv->flags);
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break;
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case PROP_DOWNMIX_MODE:
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g_value_set_enum (value, mv->downmix_mode);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GtkWidget *
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combo_box_from_enum (GType enum_type)
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{
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GEnumClass *enum_info;
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GtkWidget *combo;
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guint i;
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enum_info = (GEnumClass *) (g_type_class_ref (enum_type));
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g_return_val_if_fail (enum_info != NULL, NULL);
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combo = gtk_combo_box_text_new ();
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for (i = 0; i < enum_info->n_values; i++) {
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GEnumValue *v = enum_info->values + i;
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gtk_combo_box_text_insert (GTK_COMBO_BOX_TEXT (combo),
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i, v->value_nick, v->value_name);
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}
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g_type_class_unref (enum_info);
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return combo;
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}
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GtkWidget *
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gst_mview_widget_new (gboolean is_output)
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{
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GtkWidget *ret;
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ret = g_object_new (GST_TYPE_MVIEW_WIDGET, "is-output", is_output, NULL);
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return ret;
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}
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