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author | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:15 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:20 -0500 |
commit | bbcc64772580c8a979288791afa02d30bc476d2e (patch) | |
tree | 437ce94c3fdd7497508e5b55de06c6d011678597 /third_party/aom/aom_dsp/grain_synthesis.h | |
parent | 14805f6ddbfb173c327768fff9f81f40ce5e81b0 (diff) | |
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Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
Diffstat (limited to 'third_party/aom/aom_dsp/grain_synthesis.h')
-rw-r--r-- | third_party/aom/aom_dsp/grain_synthesis.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/grain_synthesis.h b/third_party/aom/aom_dsp/grain_synthesis.h new file mode 100644 index 000000000..016cb12d7 --- /dev/null +++ b/third_party/aom/aom_dsp/grain_synthesis.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +/*!\file + * \brief Describes film grain parameters and film grain synthesis + * + */ +#ifndef AOM_AOM_GRAIN_SYNTHESIS_H_ +#define AOM_AOM_GRAIN_SYNTHESIS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "aom_dsp/aom_dsp_common.h" +#include "aom/aom_image.h" + +/*!\brief Structure containing film grain synthesis parameters for a frame + * + * This structure contains input parameters for film grain synthesis + */ +typedef struct { + int apply_grain; + + int update_parameters; + + // 8 bit values + int scaling_points_y[14][2]; + int num_y_points; // value: 0..14 + + // 8 bit values + int scaling_points_cb[10][2]; + int num_cb_points; // value: 0..10 + + // 8 bit values + int scaling_points_cr[10][2]; + int num_cr_points; // value: 0..10 + + int scaling_shift; // values : 8..11 + + int ar_coeff_lag; // values: 0..3 + + // 8 bit values + int ar_coeffs_y[24]; + int ar_coeffs_cb[25]; + int ar_coeffs_cr[25]; + + // Shift value: AR coeffs range + // 6: [-2, 2) + // 7: [-1, 1) + // 8: [-0.5, 0.5) + // 9: [-0.25, 0.25) + int ar_coeff_shift; // values : 6..9 + + int cb_mult; // 8 bits + int cb_luma_mult; // 8 bits + int cb_offset; // 9 bits + + int cr_mult; // 8 bits + int cr_luma_mult; // 8 bits + int cr_offset; // 9 bits + + int overlap_flag; + + int clip_to_restricted_range; + + int bit_depth; // video bit depth + + int chroma_scaling_from_luma; + + int grain_scale_shift; + + uint16_t random_seed; +} aom_film_grain_t; + +/*!\brief Add film grain + * + * Add film grain to an image + * + * \param[in] grain_params Grain parameters + * \param[in] luma luma plane + * \param[in] cb cb plane + * \param[in] cr cr plane + * \param[in] height luma plane height + * \param[in] width luma plane width + * \param[in] luma_stride luma plane stride + * \param[in] chroma_stride chroma plane stride + */ +void av1_add_film_grain_run(aom_film_grain_t *grain_params, uint8_t *luma, + uint8_t *cb, uint8_t *cr, int height, int width, + int luma_stride, int chroma_stride, + int use_high_bit_depth, int chroma_subsamp_y, + int chroma_subsamp_x, int mc_identity); + +/*!\brief Add film grain + * + * Add film grain to an image + * + * \param[in] grain_params Grain parameters + * \param[in] src Source image + * \param[in] dst Resulting image with grain + */ +void av1_add_film_grain(aom_film_grain_t *grain_params, aom_image_t *src, + aom_image_t *dst); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AOM_GRAIN_SYNTHESIS_H_ |