From 40b331e1f41cf118bd1b0807cac801437255636f Mon Sep 17 00:00:00 2001
From: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Date: Sat, 19 Apr 2014 15:40:35 -0400
Subject: [PATCH] fic: Use proper quantization matrix index
The matrices are not zigzagged.
Fixes artefacting.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
---
libavcodec/fic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/fic.c b/libavcodec/fic.c
index 6b8d28d3595..f0e71163181 100644
--- a/libavcodec/fic.c
+++ b/libavcodec/fic.c
@@ -146,7 +146,8 @@ static int fic_decode_block(FICContext *ctx, GetBitContext *gb,
return AVERROR_INVALIDDATA;
for (i = 0; i < num_coeff; i++)
- block[ff_zigzag_direct[i]] = get_se_golomb(gb) * ctx->qmat[i];
+ block[ff_zigzag_direct[i]] = get_se_golomb(gb) *
+ ctx->qmat[ff_zigzag_direct[i]];
fic_idct_put(dst, stride, block);
--
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