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// 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_ENC_TRANSFORMS_H_
#define LIB_JXL_ENC_TRANSFORMS_H_
// Facade for (non-inlined) integral transforms.
#include <stddef.h>
#include <stdint.h>
#include "lib/jxl/ac_strategy.h"
#include "lib/jxl/base/compiler_specific.h"
namespace jxl {
void TransformFromPixels(const AcStrategy::Type strategy,
const float* JXL_RESTRICT pixels, size_t pixels_stride,
float* JXL_RESTRICT coefficients,
float* JXL_RESTRICT scratch_space);
// Equivalent of the above for DC image.
void DCFromLowestFrequencies(AcStrategy::Type strategy, const float* block,
float* dc, size_t dc_stride);
void AFVDCT4x4(const float* JXL_RESTRICT pixels, float* JXL_RESTRICT coeffs);
} // namespace jxl
#endif // LIB_JXL_ENC_TRANSFORMS_H_
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