From b8518932ad15c08e03369d1d16c19b021184aab7 Mon Sep 17 00:00:00 2001
From: "F. Duncanh" <fduncanh@gmail.com>
Date: Thu, 5 Feb 2026 18:19:46 -0500
Subject: [PATCH] overlay artist:title metadata on coverart in -ca audio mode

---
 renderers/video_renderer.c | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/renderers/video_renderer.c b/renderers/video_renderer.c
index 4750adc..46f18c4 100644
--- a/renderers/video_renderer.c
+++ b/renderers/video_renderer.c
@@ -77,7 +77,7 @@ typedef enum {
 #define NCODECS  3   /* renderers for h264,h265, and jpeg images */
 
 struct video_renderer_s {
-    GstElement *appsrc, *pipeline;
+    GstElement *appsrc, *pipeline, *textsrc;
     GstBus *bus;
     const char *codec;
     bool autovideo;
@@ -278,6 +278,7 @@ void video_renderer_init(logger_t *render_logger, const char *server_name, video
         renderer_type[i]->id = i;
         renderer_type[i]->bus = NULL;
         renderer_type[i]->appsrc = NULL;
+        renderer_type[i]->textsrc = NULL;
         renderer_type[i]->uri = NULL;
         renderer_type[i]->eos = FALSE;
         if (hls_video) {
@@ -350,7 +351,7 @@ void video_renderer_init(logger_t *render_logger, const char *server_name, video
                 g_string_append(launch, " ! ");
                 g_string_append(launch, "videoscale ! ");
                 if (jpeg_pipeline) {
-                    g_string_append(launch, " imagefreeze allow-replace=TRUE ! ");
+                    g_string_append(launch, " imagefreeze allow-replace=TRUE ! textoverlay name=metadata_overlay ! ");
                 }
                 g_string_append(launch, videosink);
                 g_string_append(launch, " name=");
@@ -402,6 +403,10 @@ void video_renderer_init(logger_t *render_logger, const char *server_name, video
             g_string_free(launch, TRUE);
             gst_caps_unref(caps);
             gst_object_unref(clock);
+            if (jpeg_pipeline) {
+                 renderer_type[i]->textsrc = gst_bin_get_by_name(GST_BIN(renderer_type[i]->pipeline), "metadata_overlay");
+                 g_object_set(G_OBJECT(renderer_type[i]->textsrc), "text", "", "shaded-background", TRUE, "font-desc", "Sans, 16", NULL);
+            }
         }	
 #ifdef X_DISPLAY_FIX
         use_x11 = (strstr(videosink, "xvimagesink") || strstr(videosink, "ximagesink") || auto_videosink);
@@ -664,10 +669,23 @@ void video_renderer_set_device_model(const char *model, const char *name) {
 }
 
 void video_renderer_set_track_metadata(const char *title, const char *artist, const char *album) {
-    // Track metadata display not supported in GStreamer renderer
-    (void)title;
-    (void)artist;
-    (void)album;
+    // Track metadata display superimposed on coverart is now supported in GStreamer renderer
+    GString *metadata = g_string_new("");
+    if (artist) {
+        g_string_append(metadata, artist);
+    }
+    if (artist && title) {
+        g_string_append(metadata, ": ");
+    }
+    if (title) {
+        g_string_append(metadata, "\"");
+        g_string_append(metadata, title);
+        g_string_append(metadata, "\"");
+    }
+    if (renderer && renderer->textsrc && (artist || title)) {
+        g_object_set(G_OBJECT(renderer->textsrc), "text", metadata->str, NULL);
+    }
+    g_string_free(metadata, TRUE);
 }
 
 static void video_renderer_destroy_instance(video_renderer_t *renderer) {
@@ -691,6 +709,10 @@ static void video_renderer_destroy_instance(video_renderer_t *renderer) {
             gst_object_unref (renderer->appsrc);
             renderer->appsrc = NULL;
         }
+        if (renderer->textsrc) {
+            gst_object_unref (renderer->textsrc);
+            renderer->textsrc = NULL;
+        }	
         gst_object_unref(renderer->bus);
         gst_object_unref(renderer->pipeline);
 #ifdef X_DISPLAY_FIX