videodecoder: release stream lock after handling gap events

The stream lock is taken before handling gap events but was not released in all
possible runtime situations. This issue was introduced in:
https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1274

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2307>

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c b/subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c
index f146fe3..0daedbd 100644 (file)
--- a/subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c
@@ -1492,6 +1492,7 @@ gst_video_decoder_sink_event_default (GstVideoDecoder * decoder,
          */
         forward_immediate = TRUE;
       } else {
+        GST_VIDEO_DECODER_STREAM_UNLOCK (decoder);
         gst_clear_event (&event);
       }
       break;