diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index 74d901973b..d44bec3313 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -287,6 +287,12 @@ static int select_rc_mode(AVCodecContext *avctx, QSVEncContext *q) return AVERROR(EINVAL); } + if (!want_qscale && avctx->global_quality > 0 && !QSV_HAVE_ICQ){ + av_log(avctx, AV_LOG_ERROR, + "ICQ ratecontrol mode requested, but is not supported by this SDK version\n"); + return AVERROR(ENOSYS); + } + if (want_qscale) { rc_mode = MFX_RATECONTROL_CQP; rc_desc = "constant quantization parameter (CQP)";