From 7f89085251ebecae002c965a14e15c181435cc7a Mon Sep 17 00:00:00 2001
From: yychao <yychao@gmail.com>
Date: Tue, 10 Mar 2020 17:19:46 +0800
Subject: [PATCH] qtdemux: Add support for AC4

The caps received from qtdemux for AC-4 content are audio/x-gst-fourcc-ac_4

Based on patch by: Savinderjit Kaur

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/issues/413
---
 gst/isomp4/qtdemux.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index 11e83da91d..7865eee2dd 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -15895,6 +15895,12 @@ qtdemux_audio_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
       }
       break;
     }
+    case GST_MAKE_FOURCC ('a', 'c', '-', '4'):
+    {
+      _codec ("AC4");
+      caps = gst_caps_new_empty_simple ("audio/x-ac4");
+      break;
+    }
     case GST_MAKE_FOURCC ('q', 't', 'v', 'r'):
       /* ? */
     default: