Adapt to change of MapInfo.data in Gstreamer 1.18

hongquan · Oct 11, 2020 · 76b8bf2 · 76b8bf2
1 parent d5d1900
commit 76b8bf2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cobang/app.py b/cobang/app.py
@@ -594,7 +594,9 @@ def on_new_webcam_sample(self, appsink: GstApp.AppSink) -> Gst.FlowReturn:
         if not success:
             logger.error('Failed to get mapinfo.')
             return Gst.FlowReturn.ERROR
-        img = zbar.Image(width, height, 'Y800', mapinfo.data)
+        # In Gstreamer 1.18, Gst.MapInfo.data is memoryview instead of bytes
+        imgdata = mapinfo.data.tobytes() if isinstance(mapinfo.data, memoryview) else mapinfo.data
+        img = zbar.Image(width, height, 'Y800', imgdata)
         n = self.zbar_scanner.scan(img)
         logger.debug('Any QR code?: {}', n)
         if not n: