libwebp: update to 0.4.1

third_party/libwebp/dsp/enc_avx2.c

Index: third_party/libwebp/dsp/enc_avx2.c
diff --git a/third_party/libwebp/dec/layer.c b/third_party/libwebp/dsp/enc_avx2.c
similarity index 58%
rename from third_party/libwebp/dec/layer.c
rename to third_party/libwebp/dsp/enc_avx2.c
index dacb9e23cd3553e2cb78ccb3de1cc3339caa46d3..372e6169d6dcd4594c133f4a321fbfb10a5895e8 100644
--- a/third_party/libwebp/dec/layer.c
+++ b/third_party/libwebp/dsp/enc_avx2.c
@@ -1,4 +1,4 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
+// Copyright 2014 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
@@ -7,24 +7,18 @@
 // be found in the AUTHORS file in the root of the source tree.
 // -----------------------------------------------------------------------------
 //
-// Enhancement layer (for YUV444/422)
-//
-// Author: Skal (pascal.massimino@gmail.com)
+// AVX2 version of speed-critical encoding functions.
 
-#include <assert.h>
-#include <stdlib.h>
+#include "./dsp.h"
 
-#include "./vp8i.h"
+#if defined(WEBP_USE_AVX2)
 
-//------------------------------------------------------------------------------
+#endif  // WEBP_USE_AVX2
 
-int VP8DecodeLayer(VP8Decoder* const dec) {
-  assert(dec);
-  assert(dec->layer_data_size_ > 0);
-  (void)dec;
+//------------------------------------------------------------------------------
+// Entry point
 
-  // TODO: handle enhancement layer here.
+extern void VP8EncDspInitAVX2(void);
 
-  return 1;
+void VP8EncDspInitAVX2(void) {
 }
-