mirror of
https://git.ffmpeg.org/ffmpeg.git
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362 lines
19 KiB
C
362 lines
19 KiB
C
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/*
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* Copyright (C) 2023 Loongson Technology Co. Ltd.
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* Contributed by Bo Jin(jinbo@loongson.cn)
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* All rights reserved.
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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 "swscale_loongarch.h"
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#include "libavutil/loongarch/loongson_intrinsics.h"
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#define YUV2RGB_LOAD_COE \
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/* Load x_offset */ \
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__m128i y_offset = __lsx_vreplgr2vr_d(c->yOffset); \
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__m128i u_offset = __lsx_vreplgr2vr_d(c->uOffset); \
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__m128i v_offset = __lsx_vreplgr2vr_d(c->vOffset); \
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/* Load x_coeff */ \
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__m128i ug_coeff = __lsx_vreplgr2vr_d(c->ugCoeff); \
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__m128i vg_coeff = __lsx_vreplgr2vr_d(c->vgCoeff); \
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__m128i y_coeff = __lsx_vreplgr2vr_d(c->yCoeff); \
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__m128i ub_coeff = __lsx_vreplgr2vr_d(c->ubCoeff); \
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__m128i vr_coeff = __lsx_vreplgr2vr_d(c->vrCoeff); \
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#define LOAD_YUV_16 \
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m_y1 = __lsx_vld(py_1, 0); \
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m_y2 = __lsx_vld(py_2, 0); \
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m_u = __lsx_vldrepl_d(pu, 0); \
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m_v = __lsx_vldrepl_d(pv, 0); \
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DUP2_ARG2(__lsx_vilvl_b, m_u, m_u, m_v, m_v, m_u, m_v); \
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DUP2_ARG2(__lsx_vilvh_b, zero, m_u, zero, m_v, m_u_h, m_v_h); \
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DUP2_ARG2(__lsx_vilvl_b, zero, m_u, zero, m_v, m_u, m_v); \
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DUP2_ARG2(__lsx_vilvh_b, zero, m_y1, zero, m_y2, m_y1_h, m_y2_h); \
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DUP2_ARG2(__lsx_vilvl_b, zero, m_y1, zero, m_y2, m_y1, m_y2); \
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/* YUV2RGB method
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* The conversion method is as follows:
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* R = Y' * y_coeff + V' * vr_coeff
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* G = Y' * y_coeff + V' * vg_coeff + U' * ug_coeff
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* B = Y' * y_coeff + U' * ub_coeff
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*
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* where X' = X * 8 - x_offset
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*
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*/
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#define YUV2RGB(y1, y2, u, v, r1, g1, b1, r2, g2, b2) \
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{ \
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y1 = __lsx_vslli_h(y1, 3); \
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y2 = __lsx_vslli_h(y2, 3); \
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u = __lsx_vslli_h(u, 3); \
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v = __lsx_vslli_h(v, 3); \
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y1 = __lsx_vsub_h(y1, y_offset); \
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y2 = __lsx_vsub_h(y2, y_offset); \
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u = __lsx_vsub_h(u, u_offset); \
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v = __lsx_vsub_h(v, v_offset); \
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y_1 = __lsx_vmuh_h(y1, y_coeff); \
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y_2 = __lsx_vmuh_h(y2, y_coeff); \
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u2g = __lsx_vmuh_h(u, ug_coeff); \
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u2b = __lsx_vmuh_h(u, ub_coeff); \
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v2r = __lsx_vmuh_h(v, vr_coeff); \
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v2g = __lsx_vmuh_h(v, vg_coeff); \
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r1 = __lsx_vsadd_h(y_1, v2r); \
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v2g = __lsx_vsadd_h(v2g, u2g); \
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g1 = __lsx_vsadd_h(y_1, v2g); \
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b1 = __lsx_vsadd_h(y_1, u2b); \
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r2 = __lsx_vsadd_h(y_2, v2r); \
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g2 = __lsx_vsadd_h(y_2, v2g); \
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b2 = __lsx_vsadd_h(y_2, u2b); \
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DUP4_ARG1(__lsx_vclip255_h, r1, g1, b1, r2, r1, g1, b1, r2); \
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DUP2_ARG1(__lsx_vclip255_h, g2, b2, g2, b2); \
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}
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#define RGB_PACK(r, g, b, rgb_l, rgb_h) \
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{ \
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__m128i rg; \
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rg = __lsx_vpackev_b(g, r); \
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DUP2_ARG3(__lsx_vshuf_b, b, rg, shuf2, b, rg, shuf3, rgb_l, rgb_h); \
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}
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#define RGB32_PACK(a, r, g, b, rgb_l, rgb_h) \
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{ \
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__m128i ra, bg; \
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ra = __lsx_vpackev_b(r, a); \
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bg = __lsx_vpackev_b(b, g); \
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rgb_l = __lsx_vilvl_h(bg, ra); \
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rgb_h = __lsx_vilvh_h(bg, ra); \
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}
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#define RGB_STORE(rgb_l, rgb_h, image) \
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{ \
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__lsx_vstelm_d(rgb_l, image, 0, 0); \
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__lsx_vstelm_d(rgb_l, image, 8, 1); \
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__lsx_vstelm_d(rgb_h, image, 16, 0); \
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}
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#define RGB32_STORE(rgb_l, rgb_h, image) \
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{ \
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__lsx_vst(rgb_l, image, 0); \
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__lsx_vst(rgb_h, image, 16); \
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}
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#define YUV2RGBFUNC(func_name, dst_type, alpha) \
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int func_name(SwsContext *c, const uint8_t *src[], \
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int srcStride[], int srcSliceY, int srcSliceH, \
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uint8_t *dst[], int dstStride[]) \
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{ \
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int x, y, h_size, vshift, res; \
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__m128i m_y1, m_y2, m_u, m_v; \
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__m128i m_y1_h, m_y2_h, m_u_h, m_v_h; \
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__m128i y_1, y_2, u2g, v2g, u2b, v2r, rgb1_l, rgb1_h; \
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__m128i rgb2_l, rgb2_h, r1, g1, b1, r2, g2, b2; \
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__m128i shuf2 = {0x0504120302100100, 0x0A18090816070614}; \
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__m128i shuf3 = {0x1E0F0E1C0D0C1A0B, 0x0101010101010101}; \
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__m128i zero = __lsx_vldi(0); \
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\
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YUV2RGB_LOAD_COE \
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\
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h_size = c->dstW >> 4; \
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res = (c->dstW & 15) >> 1; \
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vshift = c->srcFormat != AV_PIX_FMT_YUV422P; \
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for (y = 0; y < srcSliceH; y += 2) { \
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dst_type av_unused *r, *g, *b; \
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dst_type *image1 = (dst_type *)(dst[0] + (y + srcSliceY) * dstStride[0]);\
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dst_type *image2 = (dst_type *)(image1 + dstStride[0]);\
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const uint8_t *py_1 = src[0] + y * srcStride[0]; \
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const uint8_t *py_2 = py_1 + srcStride[0]; \
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const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \
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const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
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for(x = 0; x < h_size; x++) { \
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#define YUV2RGBFUNC32(func_name, dst_type, alpha) \
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int func_name(SwsContext *c, const uint8_t *src[], \
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int srcStride[], int srcSliceY, int srcSliceH, \
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uint8_t *dst[], int dstStride[]) \
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{ \
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int x, y, h_size, vshift, res; \
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__m128i m_y1, m_y2, m_u, m_v; \
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__m128i m_y1_h, m_y2_h, m_u_h, m_v_h; \
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__m128i y_1, y_2, u2g, v2g, u2b, v2r, rgb1_l, rgb1_h; \
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__m128i rgb2_l, rgb2_h, r1, g1, b1, r2, g2, b2; \
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__m128i a = __lsx_vldi(0xFF); \
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__m128i zero = __lsx_vldi(0); \
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\
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YUV2RGB_LOAD_COE \
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\
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h_size = c->dstW >> 4; \
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res = (c->dstW & 15) >> 1; \
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vshift = c->srcFormat != AV_PIX_FMT_YUV422P; \
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for (y = 0; y < srcSliceH; y += 2) { \
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int yd = y + srcSliceY; \
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dst_type av_unused *r, *g, *b; \
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dst_type *image1 = (dst_type *)(dst[0] + (yd) * dstStride[0]); \
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dst_type *image2 = (dst_type *)(dst[0] + (yd + 1) * dstStride[0]); \
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const uint8_t *py_1 = src[0] + y * srcStride[0]; \
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const uint8_t *py_2 = py_1 + srcStride[0]; \
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const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \
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const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
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for(x = 0; x < h_size; x++) { \
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#define DEALYUV2RGBREMAIN \
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py_1 += 16; \
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py_2 += 16; \
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pu += 8; \
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pv += 8; \
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image1 += 48; \
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image2 += 48; \
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} \
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for (x = 0; x < res; x++) { \
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int av_unused U, V, Y; \
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U = pu[0]; \
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V = pv[0]; \
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r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
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g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] \
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+ c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
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b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM];
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#define DEALYUV2RGBREMAIN32 \
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py_1 += 16; \
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py_2 += 16; \
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pu += 8; \
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pv += 8; \
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image1 += 16; \
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image2 += 16; \
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} \
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for (x = 0; x < res; x++) { \
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int av_unused U, V, Y; \
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U = pu[0]; \
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V = pv[0]; \
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r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \
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g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] \
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+ c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \
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b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; \
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#define PUTRGB24(dst, src) \
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Y = src[0]; \
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dst[0] = r[Y]; \
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dst[1] = g[Y]; \
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dst[2] = b[Y]; \
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Y = src[1]; \
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dst[3] = r[Y]; \
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dst[4] = g[Y]; \
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dst[5] = b[Y];
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#define PUTBGR24(dst, src) \
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Y = src[0]; \
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dst[0] = b[Y]; \
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dst[1] = g[Y]; \
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dst[2] = r[Y]; \
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Y = src[1]; \
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dst[3] = b[Y]; \
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dst[4] = g[Y]; \
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dst[5] = r[Y];
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#define PUTRGB(dst, src) \
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Y = src[0]; \
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dst[0] = r[Y] + g[Y] + b[Y]; \
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Y = src[1]; \
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dst[1] = r[Y] + g[Y] + b[Y]; \
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#define ENDRES \
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pu += 1; \
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pv += 1; \
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py_1 += 2; \
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py_2 += 2; \
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image1 += 6; \
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image2 += 6; \
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#define ENDRES32 \
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pu += 1; \
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pv += 1; \
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py_1 += 2; \
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py_2 += 2; \
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image1 += 2; \
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image2 += 2; \
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#define END_FUNC() \
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} \
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} \
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return srcSliceH; \
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}
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YUV2RGBFUNC(yuv420_rgb24_lsx, uint8_t, 0)
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LOAD_YUV_16
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YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
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RGB_PACK(r1, g1, b1, rgb1_l, rgb1_h);
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RGB_PACK(r2, g2, b2, rgb2_l, rgb2_h);
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RGB_STORE(rgb1_l, rgb1_h, image1);
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RGB_STORE(rgb2_l, rgb2_h, image2);
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YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
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RGB_PACK(r1, g1, b1, rgb1_l, rgb1_h);
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RGB_PACK(r2, g2, b2, rgb2_l, rgb2_h);
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RGB_STORE(rgb1_l, rgb1_h, image1 + 24);
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RGB_STORE(rgb2_l, rgb2_h, image2 + 24);
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DEALYUV2RGBREMAIN
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PUTRGB24(image1, py_1);
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PUTRGB24(image2, py_2);
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ENDRES
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END_FUNC()
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YUV2RGBFUNC(yuv420_bgr24_lsx, uint8_t, 0)
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LOAD_YUV_16
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YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
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RGB_PACK(b1, g1, r1, rgb1_l, rgb1_h);
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RGB_PACK(b2, g2, r2, rgb2_l, rgb2_h);
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RGB_STORE(rgb1_l, rgb1_h, image1);
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RGB_STORE(rgb2_l, rgb2_h, image2);
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YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
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RGB_PACK(b1, g1, r1, rgb1_l, rgb1_h);
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RGB_PACK(b2, g2, r2, rgb2_l, rgb2_h);
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RGB_STORE(rgb1_l, rgb1_h, image1 + 24);
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RGB_STORE(rgb2_l, rgb2_h, image2 + 24);
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DEALYUV2RGBREMAIN
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PUTBGR24(image1, py_1);
|
||
|
|
PUTBGR24(image2, py_2);
|
||
|
|
ENDRES
|
||
|
|
END_FUNC()
|
||
|
|
|
||
|
|
YUV2RGBFUNC32(yuv420_rgba32_lsx, uint32_t, 0)
|
||
|
|
LOAD_YUV_16
|
||
|
|
YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(r1, g1, b1, a, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(r2, g2, b2, a, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2);
|
||
|
|
YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(r1, g1, b1, a, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(r2, g2, b2, a, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1 + 8);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2 + 8);
|
||
|
|
DEALYUV2RGBREMAIN32
|
||
|
|
PUTRGB(image1, py_1);
|
||
|
|
PUTRGB(image2, py_2);
|
||
|
|
ENDRES32
|
||
|
|
END_FUNC()
|
||
|
|
|
||
|
|
YUV2RGBFUNC32(yuv420_bgra32_lsx, uint32_t, 0)
|
||
|
|
LOAD_YUV_16
|
||
|
|
YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(b1, g1, r1, a, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(b2, g2, r2, a, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2);
|
||
|
|
YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(b1, g1, r1, a, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(b2, g2, r2, a, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1 + 8);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2 + 8);
|
||
|
|
DEALYUV2RGBREMAIN32
|
||
|
|
PUTRGB(image1, py_1);
|
||
|
|
PUTRGB(image2, py_2);
|
||
|
|
ENDRES32
|
||
|
|
END_FUNC()
|
||
|
|
|
||
|
|
YUV2RGBFUNC32(yuv420_argb32_lsx, uint32_t, 0)
|
||
|
|
LOAD_YUV_16
|
||
|
|
YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(a, r1, g1, b1, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(a, r2, g2, b2, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2);
|
||
|
|
YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(a, r1, g1, b1, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(a, r2, g2, b2, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1 + 8);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2 + 8);
|
||
|
|
DEALYUV2RGBREMAIN32
|
||
|
|
PUTRGB(image1, py_1);
|
||
|
|
PUTRGB(image2, py_2);
|
||
|
|
ENDRES32
|
||
|
|
END_FUNC()
|
||
|
|
|
||
|
|
YUV2RGBFUNC32(yuv420_abgr32_lsx, uint32_t, 0)
|
||
|
|
LOAD_YUV_16
|
||
|
|
YUV2RGB(m_y1, m_y2, m_u, m_v, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(a, b1, g1, r1, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(a, b2, g2, r2, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2);
|
||
|
|
YUV2RGB(m_y1_h, m_y2_h, m_u_h, m_v_h, r1, g1, b1, r2, g2, b2);
|
||
|
|
RGB32_PACK(a, b1, g1, r1, rgb1_l, rgb1_h);
|
||
|
|
RGB32_PACK(a, b2, g2, r2, rgb2_l, rgb2_h);
|
||
|
|
RGB32_STORE(rgb1_l, rgb1_h, image1 + 8);
|
||
|
|
RGB32_STORE(rgb2_l, rgb2_h, image2 + 8);
|
||
|
|
DEALYUV2RGBREMAIN32
|
||
|
|
PUTRGB(image1, py_1);
|
||
|
|
PUTRGB(image2, py_2);
|
||
|
|
ENDRES32
|
||
|
|
END_FUNC()
|