From 1faa88b1ff46a5315a192f97be95e25f0f16ffb4 Mon Sep 17 00:00:00 2001
From: Thibault Saunier <tsaunier@igalia.com>
Date: Tue, 10 Dec 2024 23:49:38 -0300
Subject: [PATCH] dashdemux2: Do not set empty string 'track_id'

This is not needed and generates g_warning like:

```
  Trying to set empty string on taglist field 'container-specific-track-id'. Please file a bug.
```

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8128>
---
 .../gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.c   | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/subprojects/gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.c b/subprojects/gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.c
index 063c5a2765..49fd05bbe8 100644
--- a/subprojects/gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.c
+++ b/subprojects/gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.c
@@ -895,10 +895,6 @@ gst_dash_demux_setup_all_streams (GstDashDemux2 * demux)
             break;
           }
         }
-        /* Empty string if the id attribute is not present on either
-         * element. */
-        if (!track_id)
-          track_id = g_strdup ("");
       }
     }
     if (track_id) {