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authorJames Darnley <james.darnley@gmail.com>2014-03-22 09:48:52 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-03-22 13:13:07 +0100
commitf02832904dbce8e0473cdc9c7b09d92493b40a14 (patch)
treefaf2971b59420c7eedd40fbef8a7d6106907f7df
parent6abc56e892c2c2500d1fc2698fa6d580b72f721b (diff)
downloadffmpeg-f02832904dbce8e0473cdc9c7b09d92493b40a14.tar.gz
lavc/libx264: add a warning when using qscale
This addresses ticket #3238. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/libx264.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 60076301a6..ebaf351680 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -330,6 +330,9 @@ static av_cold int X264_init(AVCodecContext *avctx)
X264Context *x4 = avctx->priv_data;
int sw,sh;
+ if (avctx->global_quality > 0)
+ av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
+
x264_param_default(&x4->params);
x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;