| // Copyright 2013 Google Inc. All Rights Reserved. |
| // |
| // This code is licensed under the same terms as WebM: |
| // Software License Agreement: http://www.webmproject.org/license/software/ |
| // Additional IP Rights Grant: http://www.webmproject.org/license/additional/ |
| // ----------------------------------------------------------------------------- |
| // |
| // Alpha plane de-quantization utility |
| // |
| // Author: Vikas Arora (vikasa@google.com) |
| |
| #ifndef WEBP_UTILS_QUANT_LEVELS_DEC_H_ |
| #define WEBP_UTILS_QUANT_LEVELS_DEC_H_ |
| |
| #include "webp/types.h" |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| extern "C" { |
| #endif |
| |
| // Apply post-processing to input 'data' of size 'width'x'height' assuming |
| // that the source was quantized to a reduced number of levels. |
| // Returns false in case of error (data is NULL, invalid parameters, ...). |
| int DequantizeLevels(uint8_t* const data, int width, int height); |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| } // extern "C" |
| #endif |
| |
| #endif /* WEBP_UTILS_QUANT_LEVELS_DEC_H_ */ |
