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Basic version of libsharpyuv in libwebp, in C.

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It's self contained apart from a dependency on src/webp/types.h and src/dsp/cpu.h
For now it's only set up as an internal library, not an installable one.
Webp doesn't depend on it yet, the code is only duplicated.

Change-Id: I752799894f9d4105d0d296ddebd9f9641181a1ec
This commit is contained in:
Maryla
2022-02-18 10:19:18 +00:00
parent a30f219016
commit 29cc95ce4c
15 changed files with 1210 additions and 221 deletions
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28
sharpyuv/sharpyuv_dsp.h Normal file
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// Copyright 2022 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
// -----------------------------------------------------------------------------
//
// Speed-critical functions for Sharp YUV.
#ifndef WEBP_SHARPYUV_DSP_H_
#define WEBP_SHARPYUV_DSP_H_
#include <stdint.h>
#include "src/dsp/cpu.h"
extern uint64_t (*SharpYUVUpdateY)(const uint16_t* src, const uint16_t* ref,
uint16_t* dst, int len);
extern void (*SharpYUVUpdateRGB)(const int16_t* src, const int16_t* ref,
int16_t* dst, int len);
extern void (*SharpYUVFilterRow)(const int16_t* A, const int16_t* B, int len,
const uint16_t* best_y, uint16_t* out);
void InitSharpYuv(void);
#endif // WEBP_SHARPYUV_DSP_H_