lavf/img2enc: use FF_CEIL_RSHIFT().

12 years ago · 3da726f188
parent f3962c6264
commit 3da726f188
1 changed files with 1 additions and 1 deletions
--- a/libavformat/img2enc.c
+++ b/libavformat/img2enc.c
@ -101,7 +101,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)

    if (img->split_planes) {
        int ysize = codec->width * codec->height;
-        int usize = ((-codec->width)>>desc->log2_chroma_w) * ((-codec->height)>>desc->log2_chroma_h);
+        int usize = FF_CEIL_RSHIFT(codec->width, desc->log2_chroma_w) * FF_CEIL_RSHIFT(codec->height, desc->log2_chroma_h);
        if (desc->comp[0].depth_minus1 >= 8) {
            ysize *= 2;
            usize *= 2;