VAAPI: Fix intermittent VPP deinterlacer crash

MythTV · Mar 17, 2020 · b214da2 · b214da2
1 parent a74700c
commit b214da2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mythtv/libs/libmythtv/opengl/mythvaapiinterop.cpp b/mythtv/libs/libmythtv/opengl/mythvaapiinterop.cpp
@@ -451,7 +451,8 @@ VASurfaceID MythVAAPIInterop::Deinterlace(VideoFrame *Frame, VASurfaceID Current
                 sourceframe->top_field_first = Frame->interlaced_reversed ? !Frame->top_field_first : Frame->top_field_first;
                 sourceframe->interlaced_frame = 1;
                 sourceframe->data[3] = Frame->buf;
-                sourceframe->buf[0] = av_buffer_ref(reinterpret_cast<AVBufferRef*>(Frame->priv[0]));
+                AVBufferRef* buffer = reinterpret_cast<AVBufferRef*>(Frame->priv[0]);
+                sourceframe->buf[0] = buffer ? av_buffer_ref(buffer) : nullptr;
                 sourceframe->width  = m_filterWidth;
                 sourceframe->height = m_filterHeight;
                 sourceframe->format = AV_PIX_FMT_VAAPI;