Rémi Bernon (@rbernon) commented about dlls/winegstreamer/media_source.c:
if (!wg_parser_stream_copy_buffer(stream->wg_stream, data, 0, wg_buffer->size)) {
hr = HRESULT_FROM_WIN32(ERROR_RETRY);
`S_FALSE` looks more appropriate, similar to how the WM reader does it.