{
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
- if (avctx->bits_per_raw_sample <= 8 &&
+ if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
c->idct_put = ff_simple_idct_put_armv6;