1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 /*!\file 13 * \brief Describes film grain synthesis 14 * 15 */ 16 #ifndef AOM_AV1_DECODER_GRAIN_SYNTHESIS_H_ 17 #define AOM_AV1_DECODER_GRAIN_SYNTHESIS_H_ 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 #include <stdint.h> 24 25 #include "aom_dsp/grain_params.h" 26 #include "aom/aom_image.h" 27 28 /*!\brief Add film grain 29 * 30 * Add film grain to an image 31 * 32 * Returns 0 for success, -1 for failure 33 * 34 * \param[in] grain_params Grain parameters 35 * \param[in] luma luma plane 36 * \param[in] cb cb plane 37 * \param[in] cr cr plane 38 * \param[in] height luma plane height 39 * \param[in] width luma plane width 40 * \param[in] luma_stride luma plane stride 41 * \param[in] chroma_stride chroma plane stride 42 */ 43 int av1_add_film_grain_run(const aom_film_grain_t *grain_params, uint8_t *luma, 44 uint8_t *cb, uint8_t *cr, int height, int width, 45 int luma_stride, int chroma_stride, 46 int use_high_bit_depth, int chroma_subsamp_y, 47 int chroma_subsamp_x, int mc_identity); 48 49 /*!\brief Add film grain 50 * 51 * Add film grain to an image 52 * 53 * Returns 0 for success, -1 for failure 54 * 55 * \param[in] grain_params Grain parameters 56 * \param[in] src Source image 57 * \param[out] dst Resulting image with grain 58 */ 59 int av1_add_film_grain(const aom_film_grain_t *grain_params, 60 const aom_image_t *src, aom_image_t *dst); 61 62 #ifdef __cplusplus 63 } // extern "C" 64 #endif 65 66 #endif // AOM_AV1_DECODER_GRAIN_SYNTHESIS_H_ 67