fix flint++ warnings

1 files changed, 5 insertions, 5 deletions

diff --git a/src/sound.cpp b/src/sound.cpp
index c6a7b0a..3a4b26f 100644
--- a/src/sound.cpp
+++ b/src/sound.cpp
@@ -113,17 +113,17 @@ private:
         else if ((GST_MESSAGE_TYPE(msg) == GST_MESSAGE_STREAM_START) && (self->m_loop))
         {
             /* Set the media role if audio sink is pulsesink */
-            GstElement *audio_sink = NULL;
-            g_object_get(self->m_play, "audio-sink", &audio_sink, NULL);
+            GstElement *audio_sink = nullptr;
+            g_object_get(self->m_play, "audio-sink", &audio_sink, nullptr);
             if (audio_sink)
             {
-                GstPluginFeature *feature = NULL;
+                GstPluginFeature *feature = nullptr;
                 feature = GST_PLUGIN_FEATURE_CAST(GST_ELEMENT_GET_CLASS(audio_sink)->elementfactory);
                 if (feature && g_strcmp0(gst_plugin_feature_get_name(feature), "pulsesink") == 0)
                 {
                     std::string role_str("props,media.role=alarm");
-                    GstStructure *props = gst_structure_from_string(role_str.c_str(), NULL);
-                    g_object_set(audio_sink, "stream-properties", props, NULL);
+                    GstStructure *props = gst_structure_from_string(role_str.c_str(), nullptr);
+                    g_object_set(audio_sink, "stream-properties", props, nullptr);
                     gst_structure_free(props);
                 }
                 gst_object_unref(audio_sink);