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-rw-r--r--libavcodec/tscc2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/tscc2.c b/libavcodec/tscc2.c
index 91f79e249d..5248c9f4ec 100644
--- a/libavcodec/tscc2.c
+++ b/libavcodec/tscc2.c
@@ -95,7 +95,7 @@ static av_cold int init_vlcs(TSCC2Context *c)
OP(d3, 5 * ((s0) - (s1) + (s2)) - 2 * (s3)); \
#define COL_OP(a, b) a = b
-#define ROW_OP(a, b) a = (((b) + 0x20) >> 6) + 0x80
+#define ROW_OP(a, b) a = ((b) + 0x20) >> 6
static void tscc2_idct4_put(int *in, int q[3], uint8_t *dst, int stride)
{
@@ -158,7 +158,7 @@ static int tscc2_decode_mb(TSCC2Context *c, int *q, int vlc_set,
}
dc = (dc + prev_dc) & 0xFF;
prev_dc = dc;
- c->block[0] = dc - 0x80;
+ c->block[0] = dc;
nc = get_vlc2(gb, c->nc_vlc[vlc_set].table, 9, 1);
if (nc == -1)