s->avctx = avcodec_alloc_context3(codec);
av_dict_set(&thread_opt, "threads", "1", 0);
+ s->avctx->flags = avctx->flags;
+ s->avctx->idct_algo = avctx->idct_algo;
if (ff_codec_open2_recursive(s->avctx, codec, &thread_opt) < 0) {
av_log(avctx, AV_LOG_ERROR, "MJPEG codec failed to open\n");
ret = -1;