1 files changed, 19 insertions, 9 deletions
diff --git a/src/3rdparty/libwebp/src/enc/backward_references_enc.h b/src/3rdparty/libwebp/src/enc/backward_references_enc.h
index 103ddfd..4dff1c2 100644
--- a/src/3rdparty/libwebp/src/enc/backward_references_enc.h
+++ b/src/3rdparty/libwebp/src/enc/backward_references_enc.h
@@ -16,6 +16,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include "src/webp/types.h"
+#include "src/webp/encode.h"
 #include "src/webp/format_constants.h"
 
 #ifdef __cplusplus
@@ -133,10 +134,11 @@ struct VP8LHashChain {
 
 // Must be called first, to set size.
 int VP8LHashChainInit(VP8LHashChain* const p, int size);
-// Pre-compute the best matches for argb.
+// Pre-compute the best matches for argb. pic and percent are for progress.
 int VP8LHashChainFill(VP8LHashChain* const p, int quality,
                       const uint32_t* const argb, int xsize, int ysize,
-                      int low_effort);
+                      int low_effort, const WebPPicture* const pic,
+                      int percent_range, int* const percent);
 void VP8LHashChainClear(VP8LHashChain* const p);  // release memory
 
 static WEBP_INLINE int VP8LHashChainFindOffset(const VP8LHashChain* const p,
@@ -218,14 +220,22 @@ enum VP8LLZ77Type {
 // Evaluates best possible backward references for specified quality.
 // The input cache_bits to 'VP8LGetBackwardReferences' sets the maximum cache
 // bits to use (passing 0 implies disabling the local color cache).
-// The optimal cache bits is evaluated and set for the *cache_bits parameter.
-// The return value is the pointer to the best of the two backward refs viz,
-// refs[0] or refs[1].
-VP8LBackwardRefs* VP8LGetBackwardReferences(
+// The optimal cache bits is evaluated and set for the *cache_bits_best
+// parameter with the matching refs_best.
+// If do_no_cache == 0, refs is an array of 2 values and the best
+// VP8LBackwardRefs is put in the first element.
+// If do_no_cache != 0, refs is an array of 3 values and the best
+// VP8LBackwardRefs is put in the first element, the best value with no-cache in
+// the second element.
+// In both cases, the last element is used as temporary internally.
+// pic and percent are for progress.
+// Returns false in case of error (stored in pic->error_code).
+int VP8LGetBackwardReferences(
     int width, int height, const uint32_t* const argb, int quality,
-    int low_effort, int lz77_types_to_try, int* const cache_bits,
-    const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs_tmp1,
-    VP8LBackwardRefs* const refs_tmp2);
+    int low_effort, int lz77_types_to_try, int cache_bits_max, int do_no_cache,
+    const VP8LHashChain* const hash_chain, VP8LBackwardRefs* const refs,
+    int* const cache_bits_best, const WebPPicture* const pic, int percent_range,
+    int* const percent);
 
 #ifdef __cplusplus
 }