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120 lines
3.8 KiB
120 lines
3.8 KiB
/* |
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* VVC transform and residual DSP |
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* |
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* Copyright (C) 2021 Nuo Mi |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/frame.h" |
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#include "libavcodec/bit_depth_template.c" |
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#include "vvcdec.h" |
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#include "vvc_data.h" |
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#include "vvc_inter_template.c" |
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#include "vvc_intra_template.c" |
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#include "vvc_filter_template.c" |
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static void FUNC(add_residual)(uint8_t *_dst, const int *res, |
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const int w, const int h, const ptrdiff_t _stride) |
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{ |
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pixel *dst = (pixel *)_dst; |
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const int stride = _stride / sizeof(pixel); |
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for (int y = 0; y < h; y++) { |
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for (int x = 0; x < w; x++) { |
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dst[x] = av_clip_pixel(dst[x] + *res); |
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res++; |
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} |
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dst += stride; |
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} |
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} |
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static void FUNC(add_residual_joint)(uint8_t *_dst, const int *res, |
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const int w, const int h, const ptrdiff_t _stride, const int c_sign, const int shift) |
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{ |
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pixel *dst = (pixel *)_dst; |
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const int stride = _stride / sizeof(pixel); |
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for (int y = 0; y < h; y++) { |
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for (int x = 0; x < w; x++) { |
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const int r = ((*res) * c_sign) >> shift; |
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dst[x] = av_clip_pixel(dst[x] + r); |
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res++; |
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} |
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dst += stride; |
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} |
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} |
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static void FUNC(pred_residual_joint)(int *buf, const int w, const int h, |
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const int c_sign, const int shift) |
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{ |
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for (int y = 0; y < h; y++) { |
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for (int x = 0; x < w; x++) { |
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*buf = ((*buf) * c_sign) >> shift; |
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buf++; |
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} |
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} |
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} |
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static void FUNC(transform_bdpcm)(int *coeffs, const int width, const int height, |
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const int vertical, const int log2_transform_range) |
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{ |
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int x, y; |
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if (vertical) { |
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coeffs += width; |
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for (y = 0; y < height - 1; y++) { |
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for (x = 0; x < width; x++) |
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coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - width], log2_transform_range); |
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coeffs += width; |
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} |
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} else { |
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for (y = 0; y < height; y++) { |
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for (x = 1; x < width; x++) |
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coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - 1], log2_transform_range); |
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coeffs += width; |
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} |
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} |
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} |
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static void FUNC(ff_vvc_itx_dsp_init)(VVCItxDSPContext *const itx) |
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{ |
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#define VVC_ITX(TYPE, type, s) \ |
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itx->itx[TYPE][TX_SIZE_##s] = itx_##type##_##s; \ |
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#define VVC_ITX_COMMON(TYPE, type) \ |
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VVC_ITX(TYPE, type, 4); \ |
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VVC_ITX(TYPE, type, 8); \ |
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VVC_ITX(TYPE, type, 16); \ |
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VVC_ITX(TYPE, type, 32); |
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itx->add_residual = FUNC(add_residual); |
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itx->add_residual_joint = FUNC(add_residual_joint); |
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itx->pred_residual_joint = FUNC(pred_residual_joint); |
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itx->transform_bdpcm = FUNC(transform_bdpcm); |
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VVC_ITX(DCT2, dct2, 2) |
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VVC_ITX(DCT2, dct2, 64) |
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VVC_ITX_COMMON(DCT2, dct2) |
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VVC_ITX_COMMON(DCT8, dct8) |
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VVC_ITX_COMMON(DST7, dst7) |
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#undef VVC_ITX |
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#undef VVC_ITX_COMMON |
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}
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