[FFmpeg-cvslog] avcodec/huffyuvenc: Avoid unnecessary function call

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Oct  1 22:09:04 2022 +0200| [bfdf3470f79571e33d0e02ced0ed9d3b45125a49] | committer: Andreas Rheinhardt

avcodec/huffyuvenc: Avoid unnecessary function call

av_pix_fmt_get_chroma_sub_sample() is superfluous if one
already has an AVPixFmtDescriptor.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bfdf3470f79571e33d0e02ced0ed9d3b45125a49
---

 libavcodec/huffyuvenc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libavcodec/huffyuvenc.c b/libavcodec/huffyuvenc.c
index f903b1924a..9da344a666 100644
--- a/libavcodec/huffyuvenc.c
+++ b/libavcodec/huffyuvenc.c
@@ -230,9 +230,8 @@ static av_cold int encode_init(AVCodecContext *avctx)
     s->yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB) && desc->nb_components >= 2;
     s->chroma = desc->nb_components > 2;
     s->alpha = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
-    av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
-                                     &s->chroma_h_shift,
-                                     &s->chroma_v_shift);
+    s->chroma_h_shift = desc->log2_chroma_w;
+    s->chroma_v_shift = desc->log2_chroma_h;
 
     switch (avctx->pix_fmt) {
     case AV_PIX_FMT_YUV420P: