avcodec/jpeg2000dec: Fix gain regression with gray16

Found-by: carl Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · 0916938a8d
parent 6bf8d9e164
commit 0916938a8d
1 changed files with 2 additions and 1 deletions
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@ -1330,7 +1330,8 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
            }
        }
    } else {
-        int precision = picture->format == AV_PIX_FMT_XYZ12 ? 16 : s->precision;
+        int precision = picture->format == AV_PIX_FMT_XYZ12 ||
+                        picture->format == AV_PIX_FMT_GRAY16 ? 16 : s->precision;

        for (compno = 0; compno < s->ncomponents; compno++) {
            Jpeg2000Component *comp = tile->comp + compno;