From c55c715c81dec16de1c4a55faf0c595e18fff1e5 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Wed, 15 May 2013 18:34:58 -0300
Subject: [PATCH] lavu/hash: Fix adler32 calculation
Adler must be initialized with a non zero value.
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavutil/hash.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavutil/hash.c b/libavutil/hash.c
index 80bf164a1be..a08d2cf731d 100644
--- a/libavutil/hash.c
+++ b/libavutil/hash.c
@@ -115,8 +115,8 @@ void av_hash_init(AVHashContext *ctx)
case SHA160: av_sha_init(ctx->ctx, 160); break;
case SHA224: av_sha_init(ctx->ctx, 224); break;
case SHA256: av_sha_init(ctx->ctx, 256); break;
- case CRC32:
- case ADLER32: ctx->crc = 0; break;
+ case CRC32: ctx->crc = 0; break;
+ case ADLER32: ctx->crc = 1; break;
}
}
@@ -141,8 +141,8 @@ void av_hash_final(AVHashContext *ctx, uint8_t *dst)
case SHA160:
case SHA224:
case SHA256: av_sha_final(ctx->ctx, dst); break;
- case CRC32:
- case ADLER32: AV_WL32(dst, ctx->crc); break;
+ case CRC32: AV_WL32(dst, ctx->crc); break;
+ case ADLER32: AV_WB32(dst, ctx->crc); break;
}
}
--
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