Also fix undefined left shift of negative variable.
Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavcodec/proresenc_kostya.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/proresenc_kostya.c b/libavcodec/proresenc_kostya.c
index 090dfa5..25f7fcb 100644
--- a/libavcodec/proresenc_kostya.c
+++ b/libavcodec/proresenc_kostya.c
@@ -358,7 +358,7 @@ static inline void encode_vlc_codeword(PutBitContext *pb,
unsigned codebook, int
}
#define GET_SIGN(x) ((x) >> 31)
-#define MAKE_CODE(x) (((x) << 1) ^ GET_SIGN(x))
+#define MAKE_CODE(x) ((((x)) * 2) ^ GET_SIGN(x))
static void encode_dcs(PutBitContext *pb, int16_t *blocks,
int blocks_per_slice, int scale)
@@ -1206,6 +1206,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
ctx->pictures_per_frame)
break;
ctx->bits_per_mb = ctx->profile_info->br_tab[i];
+ if (ctx->alpha_bits)
+ ctx->bits_per_mb *= 20;
} else if (ctx->bits_per_mb < 128) {
av_log(avctx, AV_LOG_ERROR, "too few bits per MB, please set at
least 128\n");
return AVERROR_INVALIDDATA;
--
2.9.3
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