From 5177413d2043109f3e689e5fbfa79411c0c8e09d Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Mon, 9 Jul 2012 10:57:42 -0400
Subject: [PATCH] alac: conditionally set sign_modifier to 1
It is already unconditionally set to 0 prior to this, so we can modify it
only when needed.
---
libavcodec/alac.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/libavcodec/alac.c b/libavcodec/alac.c
index 2aab84cd2ed..0aeb4109b77 100644
--- a/libavcodec/alac.c
+++ b/libavcodec/alac.c
@@ -133,8 +133,6 @@ static void bastardized_rice_decompress(ALACContext *alac,
int k;
unsigned int block_size;
- sign_modifier = 1;
-
k = 7 - av_log2(history) + ((history + 16) >> 6 /* / 64 */);
k = FFMIN(k, alac->rice_limit);
@@ -149,8 +147,8 @@ static void bastardized_rice_decompress(ALACContext *alac,
output_count += block_size;
}
- if (block_size > 0xffff)
- sign_modifier = 0;
+ if (block_size <= 0xffff)
+ sign_modifier = 1;
history = 0;
}
--
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