summaryrefslogtreecommitdiff
path: root/drivers/webp/utils/quant_levels.c
diff options
context:
space:
mode:
authorJuan Linietsky <reduzio@gmail.com>2014-02-10 22:37:07 -0300
committerJuan Linietsky <reduzio@gmail.com>2014-02-10 22:37:07 -0300
commitabb985e755ccf858149294868eff8a9a9feca67e (patch)
tree2a82fd9f87ddecfb14b08d8599bb2417b3cea7ff /drivers/webp/utils/quant_levels.c
parent1c7726820ec53b486e946bb42cac98a600c5bdb5 (diff)
Reverted to older version of WebP, newer one crashed on Android.
Diffstat (limited to 'drivers/webp/utils/quant_levels.c')
-rw-r--r--drivers/webp/utils/quant_levels.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/webp/utils/quant_levels.c b/drivers/webp/utils/quant_levels.c
index d7c8aab922..f6884392aa 100644
--- a/drivers/webp/utils/quant_levels.c
+++ b/drivers/webp/utils/quant_levels.c
@@ -1,10 +1,8 @@
// Copyright 2011 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.
+// This code is licensed under the same terms as WebM:
+// Software License Agreement: http://www.webmproject.org/license/software/
+// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
// -----------------------------------------------------------------------------
//
// Quantize levels for specified number of quantization-levels ([2, 256]).
@@ -16,6 +14,10 @@
#include "./quant_levels.h"
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
#define NUM_SYMBOLS 256
#define MAX_ITER 6 // Maximum number of convergence steps.
@@ -138,3 +140,15 @@ int QuantizeLevels(uint8_t* const data, int width, int height,
return 1;
}
+int DequantizeLevels(uint8_t* const data, int width, int height) {
+ if (data == NULL || width <= 0 || height <= 0) return 0;
+ // TODO(skal): implement gradient smoothing.
+ (void)data;
+ (void)width;
+ (void)height;
+ return 1;
+}
+
+#if defined(__cplusplus) || defined(c_plusplus)
+} // extern "C"
+#endif