Add shuffle presets property

Author: revmischa

src/config.h

@@ -31,6 +31,7 @@ G_BEGIN_DECLS
 #define DEFAULT_ASPECT_CORRECTION TRUE
 #define DEFAULT_EASTER_EGG 0.0
 #define DEFAULT_PRESET_LOCKED FALSE
+#define DEFAULT_SHUFFLE_PRESETS TRUE
 
 G_END_DECLS
 

src/enums.h

@@ -24,6 +24,7 @@ enum
     PROP_ASPECT_CORRECTION,
     PROP_EASTER_EGG,
     PROP_PRESET_LOCKED,
+    PROP_SHUFFLE_PRESETS,
 };
 
 G_END_DECLS

src/plugin.c

@@ -95,6 +95,9 @@ void gst_projectm_set_property(GObject *object, guint property_id,
   case PROP_PRESET_LOCKED:
     plugin->preset_locked = g_value_get_boolean(value);
     break;
+  case PROP_SHUFFLE_PRESETS:
+    plugin->shuffle_presets = g_value_get_boolean(value);
+    break;
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
     break;
@@ -151,6 +154,9 @@ void gst_projectm_get_property(GObject *object, guint property_id,
   case PROP_PRESET_LOCKED:
     g_value_set_boolean(value, plugin->preset_locked);
     break;
+  case PROP_SHUFFLE_PRESETS:
+    g_value_set_boolean(value, plugin->shuffle_presets);
+    break;
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
     break;
@@ -170,6 +176,7 @@ static void gst_projectm_init(GstProjectM *plugin)
   plugin->hard_cut_sensitivity = DEFAULT_HARD_CUT_SENSITIVITY;
   plugin->soft_cut_duration = DEFAULT_SOFT_CUT_DURATION;
   plugin->preset_duration = DEFAULT_PRESET_DURATION;
+  plugin->shuffle_presets = DEFAULT_SHUFFLE_PRESETS;
 
   const gchar *meshSizeStr = DEFAULT_MESH_SIZE;
   gint width, height;
@@ -250,7 +257,6 @@ static gboolean gst_projectm_setup(GstGLBaseAudioVisualizer *glav) {
   // Calculate required samples per frame
   bscope->req_spf = (bscope->ainfo.channels * bscope->ainfo.rate * 2) / bscope->vinfo.fps_n;
 
-
   // get GStreamer video format and map it to the corresponding OpenGL pixel format
   const GstVideoFormat video_format = GST_VIDEO_INFO_FORMAT(&bscope->vinfo);
 
@@ -423,6 +429,12 @@ static void gst_projectm_class_init(GstProjectMClass *klass)
                                                        DEFAULT_PRESET_LOCKED,
                                                        G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+  g_object_class_install_property(gobject_class, PROP_SHUFFLE_PRESETS,
+                                  g_param_spec_boolean("shuffle-presets", "Shuffle Presets",
+                                                       "Enables or disables preset shuffling. When enabled, the visualizer randomly selects presets from the playlist if presets are provided and not locked.",
+                                                       DEFAULT_SHUFFLE_PRESETS,
+                                                       G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   gobject_class->finalize = gst_projectm_finalize;
 
   scope_class->supported_gl_api = GST_GL_API_OPENGL3 | GST_GL_API_GLES2;

src/plugin.h

@@ -30,6 +30,7 @@ struct _GstProjectM
   gboolean aspect_correction;
   gfloat easter_egg;
   gboolean preset_locked;
+  gboolean shuffle_presets;
 
   GstProjectMPrivate *priv;
 };

src/projectm.c

@@ -13,8 +13,7 @@
 GST_DEBUG_CATEGORY_STATIC(projectm_debug);
 #define GST_CAT_DEFAULT projectm_debug
 
-projectm_handle projectm_init(GstProjectM *plugin)
-{
+projectm_handle projectm_init(GstProjectM *plugin) {
     projectm_handle handle = NULL;
     projectm_playlist_handle playlist = NULL;
     GST_DEBUG_CATEGORY_INIT(projectm_debug, "projectm",
@@ -54,7 +53,8 @@ projectm_handle projectm_init(GstProjectM *plugin)
                             "mesh-size=(%lu, %lu)"
                             "aspect-correction=%d, "
                             "easter-egg=%f, "
-                            "preset-locked=%d, ",
+                            "preset-locked=%d, "
+                            "shuffle-presets=%d",
                     plugin->preset_path,
                     plugin->texture_dir_path,
                     plugin->beat_sensitivity,
@@ -67,7 +67,8 @@ projectm_handle projectm_init(GstProjectM *plugin)
                     plugin->mesh_height,
                     plugin->aspect_correction,
                     plugin->easter_egg,
-                    plugin->preset_locked);
+                    plugin->preset_locked,
+                    plugin->shuffle_presets);
 
     // Load preset file if path is provided
     if (plugin->preset_path != NULL) {
@@ -95,8 +96,9 @@ projectm_handle projectm_init(GstProjectM *plugin)
         projectm_set_preset_duration(handle, plugin->preset_duration);
 
         // kick off the first preset
-        if (projectm_playlist_size(playlist) > 0 && ! plugin->preset_locked)
-        projectm_playlist_play_next(playlist, true);
+        if (projectm_playlist_size(playlist) > 1 && ! plugin->preset_locked && plugin->shuffle_presets) {
+            projectm_playlist_play_next(playlist, true);
+        }
     }
     else
     {