From f8b8f161634c5917b7cddbb3dd37440afd9105f9 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Tue, 11 Jun 2024 06:26:07 +0200 Subject: [PATCH] avcodec/mpegvideo_enc: Don't update qscale unnecessarily The new value will be overwritten in ff_set_qscale() below. Signed-off-by: Andreas Rheinhardt --- libavcodec/mpegvideo_enc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index 6d26b2d619..125d16e694 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -2163,11 +2163,11 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s, const int mb_xy = mb_x + mb_y * s->mb_stride; s->lambda = s->lambda_table[mb_xy]; - update_qscale(s); + s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >> + FF_LAMBDA_SHIFT; if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) { - s->qscale = s->cur_pic.qscale_table[mb_xy]; - s->dquant = s->qscale - last_qp; + s->dquant = s->cur_pic.qscale_table[mb_xy] - last_qp; if (s->out_format == FMT_H263) { s->dquant = av_clip(s->dquant, -2, 2);