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clapper-app: Add GStreamer pipeline preview

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Allow to preview GStreamer pipeline while playing content.
This makes it easier to check what is used underneath.
This commit is contained in:
Rafał Dzięgiel
2025-02-16 17:35:58 +01:00
parent 681d5b8699
commit dca8fbd336
8 changed files with 191 additions and 0 deletions
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55
src/bin/clapper-app/clapper-app-application.c
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@@ -395,6 +395,59 @@ show_info (GSimpleAction *action, GVariant *param, gpointer user_data)
gtk_window_present (GTK_WINDOW (info_window));
}
static void
_show_pipeline_cb (GtkFileLauncher *launcher,
GAsyncResult *res, gpointer user_data G_GNUC_UNUSED)
{
GError *error = NULL;
if (!gtk_file_launcher_launch_finish (launcher, res, &error)) {
if (error->domain != GTK_DIALOG_ERROR || error->code != GTK_DIALOG_ERROR_DISMISSED) {
GST_ERROR ("Could not launch pipeline preview, reason: %s",
GST_STR_NULL (error->message));
}
g_error_free (error);
}
}
static void
show_pipeline (GSimpleAction *action, GVariant *param, gpointer user_data)
{
GtkApplication *gtk_app = GTK_APPLICATION (user_data);
GtkWindow *window;
GtkFileLauncher *launcher;
GFile *svg_file;
GError *error = NULL;
window = gtk_application_get_active_window (gtk_app);
while (window && !CLAPPER_APP_IS_WINDOW (window))
window = gtk_window_get_transient_for (window);
if (G_UNLIKELY (window == NULL))
return;
if (!(svg_file = clapper_app_utils_create_pipeline_svg_file (
clapper_app_window_get_player (CLAPPER_APP_WINDOW (window)), &error))) {
GST_ERROR ("Could not create pipeline graph file, reason: %s",
GST_STR_NULL (error->message));
g_error_free (error);
return;
}
launcher = gtk_file_launcher_new (svg_file);
g_object_unref (svg_file);
#if GTK_CHECK_VERSION(4,12,0)
gtk_file_launcher_set_always_ask (launcher, TRUE);
#endif
gtk_file_launcher_launch (launcher, window, NULL,
(GAsyncReadyCallback) _show_pipeline_cb, NULL);
g_object_unref (launcher);
}
static void
show_about (GSimpleAction *action, GVariant *param, gpointer user_data)
{
@@ -712,6 +765,7 @@ clapper_app_application_constructed (GObject *object)
{ "clear-queue", clear_queue, NULL, NULL, NULL },
{ "new-window", new_window, NULL, NULL, NULL },
{ "info", show_info, NULL, NULL, NULL },
{ "pipeline", show_pipeline, NULL, NULL, NULL },
{ "preferences", show_preferences, NULL, NULL, NULL },
{ "about", show_about, NULL, NULL, NULL },
};
@@ -720,6 +774,7 @@ clapper_app_application_constructed (GObject *object)
{ "app.add-uri", { "<Control>u", NULL, NULL }},
{ "app.new-window", { "<Control>n", NULL, NULL }},
{ "app.info", { "<Control>i", NULL, NULL }},
{ "app.pipeline", { "<Control><Shift>p", NULL, NULL }},
{ "app.preferences", { "<Control>comma", NULL, NULL }},
{ "app.about", { "F1", NULL, NULL }},
{ "win.toggle-fullscreen", { "F11", "f", NULL }},