From ce80e373b22fa247d00873ec0cd6418c25294a5a Mon Sep 17 00:00:00 2001
From: Aaron Giles <aaron@aarongiles.com>
Date: Thu, 30 Sep 2010 05:19:33 +0000
Subject: [PATCH] Since PNG writing is used for MNG as well, switch back to
 default compression instead of best compression in order to keep the
 performance reasonable.

---
 src/lib/util/png.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/util/png.c b/src/lib/util/png.c
index 620b9b76779..32a11b5c099 100644
--- a/src/lib/util/png.c
+++ b/src/lib/util/png.c
@@ -838,7 +838,7 @@ static png_error write_deflated_chunk(core_file *fp, UINT8 *data, UINT32 type, U
 	memset(&stream, 0, sizeof(stream));
 	stream.next_in = data;
 	stream.avail_in = length;
-    zerr = deflateInit(&stream, Z_BEST_COMPRESSION);
+    zerr = deflateInit(&stream, Z_DEFAULT_COMPRESSION);
     if (zerr != Z_OK)
     	return PNGERR_COMPRESS_ERROR;