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112 lines
3.0 KiB
112 lines
3.0 KiB
2 years ago
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/*
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* H.265 video codec.
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* Copyright (c) 2015 struktur AG, Dirk Farin <farin@struktur.de>
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*
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* This file is part of libde265.
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*
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* libde265 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libde265 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libde265. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ACCELERATION_SPEED_DCT_H
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#define ACCELERATION_SPEED_DCT_H
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#include "acceleration-speed.h"
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#include "libde265/fallback-dct.h"
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class DSPFunc_FDCT_Base : public DSPFunc
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{
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public:
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DSPFunc_FDCT_Base(int size) {
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residuals=NULL;
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blkSize=size;
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coeffs = new int16_t[size*size];
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}
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virtual const char* name() const { return "FDCT-Base"; }
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virtual int getBlkWidth() const { return blkSize; }
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virtual int getBlkHeight() const { return blkSize; }
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virtual void runOnBlock(int x,int y) = 0;
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void dump(int x,int y);
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virtual DSPFunc* referenceImplementation() const { return NULL; }
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bool compareToReferenceImplementation();
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virtual bool prepareNextImage(std::shared_ptr<const de265_image> img);
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private:
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std::shared_ptr<const de265_image> prev_image;
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std::shared_ptr<const de265_image> curr_image;
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protected:
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int blkSize;
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int16_t* residuals;
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int stride;
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int16_t* coeffs;
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};
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class DSPFunc_IDCT_Base : public DSPFunc
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{
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public:
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DSPFunc_IDCT_Base(int size) {
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prev_image=NULL; curr_image=NULL; coeffs=NULL; blkSize=size;
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out = new uint8_t[size*size]; // allocate it to ensure alignment
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}
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virtual const char* name() const { return "IDCT-Base"; }
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virtual int getBlkWidth() const { return blkSize; }
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virtual int getBlkHeight() const { return blkSize; }
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virtual void runOnBlock(int x,int y) = 0;
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virtual DSPFunc* referenceImplementation() const { return NULL; }
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virtual bool compareToReferenceImplementation();
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virtual bool prepareNextImage(std::shared_ptr<const de265_image> img);
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inline int16_t* xy2coeff(int x,int y) const {
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// note: x+y*width does not make any sense, but gives us some random data
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//int xb = x/blkSize;
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//int yb = y/blkSize;
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int offset = (x+y*blksPerRow)*blkSize; //(xb+yb*blksPerRow)*blkSize*blkSize;
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//printf("%d %d -> %d %p\n", x,y, offset, coeffs+offset);
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return coeffs + offset;
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}
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private:
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std::shared_ptr<const de265_image> prev_image;
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std::shared_ptr<const de265_image> curr_image;
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protected:
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int blkSize;
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int16_t* coeffs;
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int width;
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int blksPerRow;
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uint8_t* out; // [32*32];
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};
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#endif
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