diff options
Diffstat (limited to 'third_party/jpeg-xl/lib/jxl/render_pipeline/stage_noise.h')
-rw-r--r-- | third_party/jpeg-xl/lib/jxl/render_pipeline/stage_noise.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_noise.h b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_noise.h new file mode 100644 index 0000000000..bd7797f991 --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl/render_pipeline/stage_noise.h @@ -0,0 +1,32 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_ +#define LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_ +#include <math.h> +#include <stdint.h> +#include <stdio.h> + +#include <algorithm> +#include <utility> +#include <vector> + +#include "lib/jxl/dec_noise.h" +#include "lib/jxl/render_pipeline/render_pipeline_stage.h" + +namespace jxl { + +// Adds noise to color channels. +std::unique_ptr<RenderPipelineStage> GetAddNoiseStage( + const NoiseParams& noise_params, const ColorCorrelationMap& cmap, + size_t noise_c_start); + +// Applies a 5x5 subtract-box-filter convolution to the noise input channels. +std::unique_ptr<RenderPipelineStage> GetConvolveNoiseStage( + size_t noise_c_start); + +} // namespace jxl + +#endif // LIB_JXL_RENDER_PIPELINE_STAGE_NOISE_H_ |