1 // Copyright 2015 Google Inc. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the COPYING file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 // ----------------------------------------------------------------------------- 9 // 10 // Author: Mislav Bradac (mislavm@google.com) 11 // 12 13 #ifndef WEBP_ENC_DELTA_PALETTIZATION_ENC_H_ 14 #define WEBP_ENC_DELTA_PALETTIZATION_ENC_H_ 15 16 #include "src/webp/encode.h" 17 #include "src/enc/vp8li_enc.h" 18 19 // Replaces enc->argb_[] input by a palettizable approximation of it, 20 // and generates optimal enc->palette_[]. 21 // This function can revert enc->use_palette_ / enc->use_predict_ flag 22 // if delta-palettization is not producing expected saving. 23 WebPEncodingError WebPSearchOptimalDeltaPalette(VP8LEncoder* const enc); 24 25 #endif // WEBP_ENC_DELTA_PALETTIZATION_ENC_H_ 26