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-rw-r--r--src/apps/common/dng_writer.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/apps/common/dng_writer.cpp b/src/apps/common/dng_writer.cpp
index 9241f23f..50db5eb3 100644
--- a/src/apps/common/dng_writer.cpp
+++ b/src/apps/common/dng_writer.cpp
@@ -8,6 +8,7 @@
#include "dng_writer.h"
#include <algorithm>
+#include <endian.h>
#include <iostream>
#include <map>
@@ -185,7 +186,8 @@ void thumbScanlineRaw(const FormatInfo &info, void *output, const void *input,
/* Simple averaging that produces greyscale RGB values. */
for (unsigned int x = 0; x < width; x++) {
- uint16_t value = (in[0] + in[1] + in2[0] + in2[1]) >> 2;
+ uint16_t value = (le16toh(in[0]) + le16toh(in[1]) +
+ le16toh(in2[0]) + le16toh(in2[1])) >> 2;
value = value >> shift;
*out++ = value;
*out++ = value;