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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-12-22 03:39:16 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2022-01-04 16:28:54 +0100
commit3867b18120e11174b3d775699ce74339b0b1bc4c (patch)
treefe9f70c6fc7b24ce4ac8abe27cee2ca803db44e3
parent8a0981d0131e648c84e9996bd024d5cdbd791599 (diff)
avcodec/mjpegenc_common: Don't call function unnecessarily
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavcodec/mjpegenc_common.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/libavcodec/mjpegenc_common.c b/libavcodec/mjpegenc_common.c
index d75ae6b6a7..27438df5eb 100644
--- a/libavcodec/mjpegenc_common.c
+++ b/libavcodec/mjpegenc_common.c
@@ -188,10 +188,6 @@ static void jpeg_put_comments(AVCodecContext *avctx, PutBitContext *p)
void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4])
{
- int chroma_h_shift, chroma_v_shift;
-
- av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift,
- &chroma_v_shift);
if (avctx->codec->id == AV_CODEC_ID_LJPEG &&
( avctx->pix_fmt == AV_PIX_FMT_BGR0
|| avctx->pix_fmt == AV_PIX_FMT_BGRA
@@ -204,6 +200,9 @@ void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4
vsample[0] = vsample[1] = vsample[2] = 2;
hsample[0] = hsample[1] = hsample[2] = 1;
} else {
+ int chroma_h_shift, chroma_v_shift;
+ av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift,
+ &chroma_v_shift);
vsample[0] = 2;
vsample[1] = 2 >> chroma_v_shift;
vsample[2] = 2 >> chroma_v_shift;