libwebp-0.6.0-rc1

third_party/libwebp/enc/vp8li_enc.h

Index: third_party/libwebp/enc/vp8li_enc.h
diff --git a/third_party/libwebp/enc/vp8li.h b/third_party/libwebp/enc/vp8li_enc.h
similarity index 78%
rename from third_party/libwebp/enc/vp8li.h
rename to third_party/libwebp/enc/vp8li_enc.h
index 371e276ee091967a89cda0df01fdb108ffd21a17..8c5fbcbb2ea7aa445e2cdd98bbcacbd63039f75d 100644
--- a/third_party/libwebp/enc/vp8li.h
+++ b/third_party/libwebp/enc/vp8li_enc.h
@@ -14,9 +14,9 @@
 #ifndef WEBP_ENC_VP8LI_H_
 #define WEBP_ENC_VP8LI_H_
 
-#include "./backward_references.h"
-#include "./histogram.h"
-#include "../utils/bit_writer.h"
+#include "./backward_references_enc.h"
+#include "./histogram_enc.h"
+#include "../utils/bit_writer_utils.h"
 #include "../webp/encode.h"
 #include "../webp/format_constants.h"
 
@@ -24,6 +24,9 @@
 extern "C" {
 #endif
 
+// maximum value of transform_bits_ in VP8LEncoder.
+#define MAX_TRANSFORM_BITS 6
+
 typedef struct {
   const WebPConfig* config_;      // user configuration and parameters
   const WebPPicture* pic_;        // input picture.
@@ -39,7 +42,7 @@ typedef struct {
 
   // Encoding parameters derived from quality parameter.
   int histo_bits_;
-  int transform_bits_;
+  int transform_bits_;    // <= MAX_TRANSFORM_BITS.
   int cache_bits_;        // If equal to 0, don't use color cache.
 
   // Encoding parameters derived from image characteristics.
@@ -73,6 +76,17 @@ WebPEncodingError VP8LEncodeStream(const WebPConfig* const config,
                                    VP8LBitWriter* const bw, int use_cache);
 
 //------------------------------------------------------------------------------
+// Image transforms in predictor.c.
+
+void VP8LResidualImage(int width, int height, int bits, int low_effort,
+                       uint32_t* const argb, uint32_t* const argb_scratch,
+                       uint32_t* const image, int near_lossless, int exact,
+                       int used_subtract_green);
+
+void VP8LColorSpaceTransform(int width, int height, int bits, int quality,
+                             uint32_t* const argb, uint32_t* image);
+
+//------------------------------------------------------------------------------
 
 #ifdef __cplusplus
 }    // extern "C"