forked from KolibriOS/kolibrios
394 lines
16 KiB
C
394 lines
16 KiB
C
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/*
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* software RGB to RGB converter
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* pluralize by software PAL8 to RGB converter
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* software YUV to YUV converter
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* software YUV to RGB converter
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* Written by Nick Kurshev.
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* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
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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 <inttypes.h>
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#include "libavutil/attributes.h"
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#include "libavutil/bswap.h"
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#include "config.h"
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#include "rgb2rgb.h"
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#include "swscale.h"
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#include "swscale_internal.h"
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void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
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void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride, int dstStride);
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void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride, int dstStride);
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void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride, int dstStride);
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void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc,
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const uint8_t *vsrc, uint8_t *dst,
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int width, int height,
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int lumStride, int chromStride, int dstStride);
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void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst,
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uint8_t *udst, uint8_t *vdst,
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int width, int height,
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int lumStride, int chromStride, int srcStride);
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void (*ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst,
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uint8_t *udst, uint8_t *vdst,
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int width, int height,
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int lumStride, int chromStride, int srcStride,
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int32_t *rgb2yuv);
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void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
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int srcStride, int dstStride);
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void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
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int width, int height, int src1Stride,
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int src2Stride, int dstStride);
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void (*deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
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int width, int height, int srcStride,
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int dst1Stride, int dst2Stride);
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void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
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uint8_t *dst1, uint8_t *dst2,
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int width, int height,
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int srcStride1, int srcStride2,
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int dstStride1, int dstStride2);
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void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2,
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const uint8_t *src3, uint8_t *dst,
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int width, int height,
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int srcStride1, int srcStride2,
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int srcStride3, int dstStride);
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void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int lumStride, int chromStride, int srcStride);
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void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int lumStride, int chromStride, int srcStride);
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void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int lumStride, int chromStride, int srcStride);
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void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int lumStride, int chromStride, int srcStride);
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#define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define RY ((int)( 0.257 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define RV ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
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#define RU ((int)(-0.148 * (1 << RGB2YUV_SHIFT) + 0.5))
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//plain C versions
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#include "rgb2rgb_template.c"
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/*
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* RGB15->RGB16 original by Strepto/Astral
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* ported to gcc & bugfixed : A'rpi
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* MMXEXT, 3DNOW optimization by Nick Kurshev
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* 32-bit C version, and and&add trick by Michael Niedermayer
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*/
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av_cold void sws_rgb2rgb_init(void)
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{
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rgb2rgb_init_c();
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if (ARCH_X86)
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rgb2rgb_init_x86();
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}
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void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
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{
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int i, num_pixels = src_size >> 2;
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for (i = 0; i < num_pixels; i++) {
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#if HAVE_BIGENDIAN
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/* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
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dst[3 * i + 0] = src[4 * i + 1];
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dst[3 * i + 1] = src[4 * i + 2];
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dst[3 * i + 2] = src[4 * i + 3];
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#else
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dst[3 * i + 0] = src[4 * i + 2];
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dst[3 * i + 1] = src[4 * i + 1];
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dst[3 * i + 2] = src[4 * i + 0];
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#endif
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}
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}
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void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
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{
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int i;
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for (i = 0; 3 * i < src_size; i++) {
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#if HAVE_BIGENDIAN
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/* RGB24 (= R, G, B) -> BGR32 (= A, R, G, B) */
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dst[4 * i + 0] = 255;
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dst[4 * i + 1] = src[3 * i + 0];
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dst[4 * i + 2] = src[3 * i + 1];
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dst[4 * i + 3] = src[3 * i + 2];
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#else
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dst[4 * i + 0] = src[3 * i + 2];
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dst[4 * i + 1] = src[3 * i + 1];
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dst[4 * i + 2] = src[3 * i + 0];
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dst[4 * i + 3] = 255;
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#endif
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}
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}
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void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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#else
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = 255;
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#endif
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}
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}
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void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint16_t rgb, r, g, b;
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uint16_t *d = (uint16_t *)dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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rgb = *s++;
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r = rgb & 0xF00;
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g = rgb & 0x0F0;
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b = rgb & 0x00F;
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r = (r << 3) | ((r & 0x800) >> 1);
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g = (g << 2) | ((g & 0x080) >> 2);
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b = (b << 1) | ( b >> 3);
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*d++ = r | g | b;
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}
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}
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void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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*d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13);
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*d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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}
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}
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void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
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{
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int i, num_pixels = src_size >> 1;
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for (i = 0; i < num_pixels; i++) {
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unsigned rgb = ((const uint16_t *)src)[i];
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((uint16_t *)dst)[i] = (rgb >> 11) | (rgb & 0x7E0) | (rgb << 11);
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}
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}
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void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
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{
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int i, num_pixels = src_size >> 1;
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for (i = 0; i < num_pixels; i++) {
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unsigned rgb = ((const uint16_t *)src)[i];
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((uint16_t *)dst)[i] = (rgb >> 11) | ((rgb & 0x7C0) >> 1) | ((rgb & 0x1F) << 10);
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}
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}
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void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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#if HAVE_BIGENDIAN
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*d++ = 255;
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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#else
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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*d++ = 255;
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#endif
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}
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}
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void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
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{
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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const uint16_t *end = s + src_size / 2;
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while (s < end) {
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register uint16_t bgr = *s++;
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*d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12);
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*d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7);
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*d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2);
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}
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}
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void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
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{
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int i, num_pixels = src_size >> 1;
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for (i = 0; i < num_pixels; i++) {
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unsigned rgb = ((const uint16_t *)src)[i];
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((uint16_t *)dst)[i] = ((rgb & 0x7C00) >> 10) | ((rgb & 0x3E0) << 1) | (rgb << 11);
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}
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}
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void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
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{
|
||
|
|
int i, num_pixels = src_size >> 1;
|
||
|
|
|
||
|
|
for (i = 0; i < num_pixels; i++) {
|
||
|
|
unsigned rgb = ((const uint16_t *)src)[i];
|
||
|
|
unsigned br = rgb & 0x7C1F;
|
||
|
|
((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
|
||
|
|
{
|
||
|
|
uint16_t *d = (uint16_t *)dst;
|
||
|
|
uint16_t *s = (uint16_t *)src;
|
||
|
|
int i, num_pixels = src_size >> 1;
|
||
|
|
|
||
|
|
for (i = 0; i < num_pixels; i++) {
|
||
|
|
unsigned rgb = s[i];
|
||
|
|
d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
|
||
|
|
void shuffle_bytes_ ## a ## b ## c ## d(const uint8_t *src, \
|
||
|
|
uint8_t *dst, int src_size) \
|
||
|
|
{ \
|
||
|
|
int i; \
|
||
|
|
\
|
||
|
|
for (i = 0; i < src_size; i += 4) { \
|
||
|
|
dst[i + 0] = src[i + a]; \
|
||
|
|
dst[i + 1] = src[i + b]; \
|
||
|
|
dst[i + 2] = src[i + c]; \
|
||
|
|
dst[i + 3] = src[i + d]; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
DEFINE_SHUFFLE_BYTES(1, 2, 3, 0)
|
||
|
|
DEFINE_SHUFFLE_BYTES(3, 0, 1, 2)
|
||
|
|
DEFINE_SHUFFLE_BYTES(3, 2, 1, 0)
|
||
|
|
|
||
|
|
#define DEFINE_RGB48TOBGR48(need_bswap, swap) \
|
||
|
|
void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \
|
||
|
|
uint8_t *dst, int src_size) \
|
||
|
|
{ \
|
||
|
|
uint16_t *d = (uint16_t *)dst; \
|
||
|
|
uint16_t *s = (uint16_t *)src; \
|
||
|
|
int i, num_pixels = src_size >> 1; \
|
||
|
|
\
|
||
|
|
for (i = 0; i < num_pixels; i += 3) { \
|
||
|
|
d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \
|
||
|
|
d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \
|
||
|
|
d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
DEFINE_RGB48TOBGR48(nobswap, 0)
|
||
|
|
DEFINE_RGB48TOBGR48(bswap, 1)
|
||
|
|
|
||
|
|
#define DEFINE_RGB64TOBGR48(need_bswap, swap) \
|
||
|
|
void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \
|
||
|
|
uint8_t *dst, int src_size) \
|
||
|
|
{ \
|
||
|
|
uint16_t *d = (uint16_t *)dst; \
|
||
|
|
uint16_t *s = (uint16_t *)src; \
|
||
|
|
int i, num_pixels = src_size >> 3; \
|
||
|
|
\
|
||
|
|
for (i = 0; i < num_pixels; i++) { \
|
||
|
|
d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
|
||
|
|
d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
|
||
|
|
d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
DEFINE_RGB64TOBGR48(nobswap, 0)
|
||
|
|
DEFINE_RGB64TOBGR48(bswap, 1)
|
||
|
|
|
||
|
|
#define DEFINE_RGB64TO48(need_bswap, swap) \
|
||
|
|
void rgb64to48_ ## need_bswap(const uint8_t *src, \
|
||
|
|
uint8_t *dst, int src_size) \
|
||
|
|
{ \
|
||
|
|
uint16_t *d = (uint16_t *)dst; \
|
||
|
|
uint16_t *s = (uint16_t *)src; \
|
||
|
|
int i, num_pixels = src_size >> 3; \
|
||
|
|
\
|
||
|
|
for (i = 0; i < num_pixels; i++) { \
|
||
|
|
d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \
|
||
|
|
d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \
|
||
|
|
d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
DEFINE_RGB64TO48(nobswap, 0)
|
||
|
|
DEFINE_RGB64TO48(bswap, 1)
|