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-rw-r--r--doc/encoders.texi3
-rw-r--r--libavcodec/qsvenc.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 4c38996372..8fccd73691 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3119,7 +3119,8 @@ also set (the @option{-qscale} ffmpeg option).
@option{look_ahead} option is also set.
@item
-@var{ICQ} -- intelligent constant quality otherwise.
+@var{ICQ} -- intelligent constant quality otherwise. For the ICQ modes, global
+quality range is 1 to 51, with 1 being the best quality.
@end itemize
@item
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index ca2b42cafd..b9a922d6b9 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -650,7 +650,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
case MFX_RATECONTROL_LA_ICQ:
q->extco2.LookAheadDepth = q->look_ahead_depth;
case MFX_RATECONTROL_ICQ:
- q->param.mfx.ICQQuality = avctx->global_quality;
+ q->param.mfx.ICQQuality = av_clip(avctx->global_quality, 1, 51);
break;
#endif
#endif