jpeg2000: Correctly calculate sgnd

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
12 years ago · ac921338a4
parent fd54dd028b
commit ac921338a4
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@ -198,7 +198,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
        uint8_t x    = bytestream2_get_byteu(&s->g);
        s->cbps[i]   = (x & 0x7f) + 1;
        s->precision = FFMAX(s->cbps[i], s->precision);
-        s->sgnd[i]   = (x & 0x80) == 1;
+        s->sgnd[i]   = !!(x & 0x80);
        s->cdx[i]    = bytestream2_get_byteu(&s->g);
        s->cdy[i]    = bytestream2_get_byteu(&s->g);