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d8ebe59e7b
Film grain feature add "old style" grain noise on decoded streams. Grain noise is applied after decoding by the postprocessor. The level of grain is based on gaussian sequence. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
36 lines
1 KiB
C
36 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ROCKCHIP_AV1_FILMGRAIN_H_
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#define _ROCKCHIP_AV1_FILMGRAIN_H_
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#include <linux/types.h>
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void rockchip_av1_generate_luma_grain_block(s32 (*luma_grain_block)[73][82],
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s32 bitdepth,
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u8 num_y_points,
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s32 grain_scale_shift,
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s32 ar_coeff_lag,
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s32 (*ar_coeffs_y)[24],
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s32 ar_coeff_shift,
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s32 grain_min,
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s32 grain_max,
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u16 random_seed);
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void rockchip_av1_generate_chroma_grain_block(s32 (*luma_grain_block)[73][82],
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s32 (*cb_grain_block)[38][44],
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s32 (*cr_grain_block)[38][44],
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s32 bitdepth,
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u8 num_y_points,
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u8 num_cb_points,
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u8 num_cr_points,
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s32 grain_scale_shift,
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s32 ar_coeff_lag,
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s32 (*ar_coeffs_cb)[25],
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s32 (*ar_coeffs_cr)[25],
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s32 ar_coeff_shift,
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s32 grain_min,
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s32 grain_max,
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u8 chroma_scaling_from_luma,
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u16 random_seed);
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#endif
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