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-rw-r--r--src/3rdparty/libwebp/src/utils/quant_levels_dec.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/3rdparty/libwebp/src/utils/quant_levels_dec.c b/src/3rdparty/libwebp/src/utils/quant_levels_dec.c
new file mode 100644
index 0000000..8489705
--- /dev/null
+++ b/src/3rdparty/libwebp/src/utils/quant_levels_dec.c
@@ -0,0 +1,24 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the COPYING file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS. All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+// -----------------------------------------------------------------------------
+//
+// TODO(skal): implement gradient smoothing.
+//
+// Author: Skal (pascal.massimino@gmail.com)
+
+#include "./quant_levels_dec.h"
+
+int DequantizeLevels(uint8_t* const data, int width, int height,
+ int row, int num_rows) {
+ if (data == NULL || width <= 0 || height <= 0 || row < 0 || num_rows < 0 ||
+ row + num_rows > height) {
+ return 0;
+ }
+ return 1;
+}
+