src->decoder->mFrame->SetMutable(PR_FALSE);
term_source (j_decompress_ptr jd){  decoder_source_mgr *src = (decoder_source_mgr *)jd->src;  if (src->decoder->mObserver) {    src->decoder->mObserver->OnStopFrame(nsnull, nsnull, src->decoder->mFrame);    src->decoder->mObserver->OnStopContainer(nsnull, nsnull, src->decoder->mImage);    src->decoder->mObserver->OnStopDecode(nsnull, nsnull, NS_OK, nsnull);  }    /* No work necessary here */}