| // Copyright 2015 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. |
| // ----------------------------------------------------------------------------- |
| // |
| // Author: Mislav Bradac (mislavm@google.com) |
| // |
| |
| #ifndef CHROMIUM_WEBP_ENC_DELTA_PALETTIZATION_H_ |
| #define CHROMIUM_WEBP_ENC_DELTA_PALETTIZATION_H_ |
| |
| #include "third_party/chromium_headless/libwebp/webp/encode.h" |
| #include "third_party/chromium_headless/libwebp/enc/vp8li.h" |
| |
| // Replaces enc->argb_[] input by a palettizable approximation of it, |
| // and generates optimal enc->palette_[]. |
| // This function can revert enc->use_palette_ / enc->use_predict_ flag |
| // if delta-palettization is not producing expected saving. |
| WebPEncodingError WebPSearchOptimalDeltaPalette(VP8LEncoder* const enc); |
| |
| #endif // CHROMIUM_WEBP_ENC_DELTA_PALETTIZATION_H_ |
