diff --git a/libavformat/uncodedframecrcenc.c b/libavformat/uncodedframecrcenc.c index 414683fe23..17f478626e 100644 --- a/libavformat/uncodedframecrcenc.c +++ b/libavformat/uncodedframecrcenc.c @@ -64,7 +64,7 @@ static void video_frame_cksum(AVBPrint *bp, AVFrame *frame) unsigned cksum = 0; int h = frame->height; if ((i == 1 || i == 2) && desc->nb_components >= 3) - h = -((-h) >> desc->log2_chroma_h); + h = FF_CEIL_RSHIFT(h, desc->log2_chroma_h); data = frame->data[i]; for (y = 0; y < h; y++) { cksum = av_adler32_update(cksum, data, linesize[i]);