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485 lines
22 KiB
485 lines
22 KiB
/* |
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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 (*shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_3102)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_2013)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_2130)(const uint8_t *src, uint8_t *dst, int src_size); |
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void (*shuffle_bytes_1203)(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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const 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 ff_sws_rgb2rgb_init(void) |
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{ |
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rgb2rgb_init_c(); |
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#if ARCH_AARCH64 |
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rgb2rgb_init_aarch64(); |
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#elif ARCH_RISCV |
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rgb2rgb_init_riscv(); |
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#elif ARCH_X86 |
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rgb2rgb_init_x86(); |
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#elif ARCH_LOONGARCH64 |
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rgb2rgb_init_loongarch(); |
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#endif |
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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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{ |
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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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unsigned br = rgb & 0x7C1F; |
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((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10); |
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} |
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} |
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void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size) |
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{ |
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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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int i, num_pixels = src_size >> 1; |
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for (i = 0; i < num_pixels; i++) { |
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unsigned rgb = s[i]; |
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d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF; |
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} |
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} |
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#define DEFINE_RGB48TOBGR48(need_bswap, swap) \ |
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void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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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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int i, num_pixels = src_size >> 1; \ |
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\ |
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for (i = 0; i < num_pixels; i += 3) { \ |
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d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \ |
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d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \ |
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d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \ |
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} \ |
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} |
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DEFINE_RGB48TOBGR48(nobswap, 0) |
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DEFINE_RGB48TOBGR48(bswap, 1) |
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#define DEFINE_RGB64TOBGR48(need_bswap, swap) \ |
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void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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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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int i, num_pixels = src_size >> 3; \ |
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\ |
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for (i = 0; i < num_pixels; i++) { \ |
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d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ |
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d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ |
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d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ |
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} \ |
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} |
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DEFINE_RGB64TOBGR48(nobswap, 0) |
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DEFINE_RGB64TOBGR48(bswap, 1) |
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#define DEFINE_RGB64TO48(need_bswap, swap) \ |
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void rgb64to48_ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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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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int i, num_pixels = src_size >> 3; \ |
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\ |
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for (i = 0; i < num_pixels; i++) { \ |
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d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ |
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d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ |
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d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ |
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} \ |
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} |
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DEFINE_RGB64TO48(nobswap, 0) |
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DEFINE_RGB64TO48(bswap, 1) |
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#define DEFINE_RGB48TOBGR64(need_bswap, swap) \ |
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void rgb48tobgr64_ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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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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int i, num_pixels = src_size / 6; \ |
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\ |
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for (i = 0; i < num_pixels; i++) { \ |
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d[4 * i ] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \ |
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d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \ |
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d[4 * i + 2] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \ |
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d[4 * i + 3] = 0xFFFF; \ |
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} \ |
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} |
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DEFINE_RGB48TOBGR64(nobswap, 0) |
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DEFINE_RGB48TOBGR64(bswap, 1) |
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#define DEFINE_RGB48TO64(need_bswap, swap) \ |
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void rgb48to64_ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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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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int i, num_pixels = src_size / 6; \ |
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\ |
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for (i = 0; i < num_pixels; i++) { \ |
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d[4 * i ] = swap ? av_bswap16(s[3 * i ]) : s[3 * i ]; \ |
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d[4 * i + 1] = swap ? av_bswap16(s[3 * i + 1]) : s[3 * i + 1]; \ |
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d[4 * i + 2] = swap ? av_bswap16(s[3 * i + 2]) : s[3 * i + 2]; \ |
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d[4 * i + 3] = 0xFFFF; \ |
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} \ |
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} |
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DEFINE_RGB48TO64(nobswap, 0) |
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DEFINE_RGB48TO64(bswap, 1) |
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#define DEFINE_X2RGB10TO16(need_bswap, swap, bits, alpha) \ |
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void x2rgb10to ## bits ## _ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
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uint16_t *d = (uint16_t *)dst; \ |
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const uint32_t *s = (const uint32_t *)src; \ |
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int i, num_pixels = src_size >> 2; \ |
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unsigned component; \ |
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\ |
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for (i = 0; i < num_pixels; i++) { \ |
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unsigned p = AV_RL32(s + i); \ |
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component = (p >> 20) & 0x3FF; \ |
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d[(3 + alpha) * i + 0] = swap ? av_bswap16(component << 6 | component >> 4) \ |
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: component << 6 | component >> 4; \ |
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component = (p >> 10) & 0x3FF; \ |
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d[(3 + alpha) * i + 1] = swap ? av_bswap16(component << 6 | component >> 4) \ |
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: component << 6 | component >> 4; \ |
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component = p & 0x3FF; \ |
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d[(3 + alpha) * i + 2] = swap ? av_bswap16(component << 6 | component >> 4) \ |
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: component << 6 | component >> 4; \ |
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if (alpha) d[(3 + alpha) * i + 3] = 0xffff; \ |
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} \ |
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} |
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|
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DEFINE_X2RGB10TO16(nobswap, 0, 48, 0) |
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DEFINE_X2RGB10TO16(bswap, 1, 48, 0) |
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DEFINE_X2RGB10TO16(nobswap, 0, 64, 1) |
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DEFINE_X2RGB10TO16(bswap, 1, 64, 1) |
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|
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#define DEFINE_X2RGB10TOBGR16(need_bswap, swap, bits, alpha) \ |
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void x2rgb10tobgr ## bits ## _ ## need_bswap(const uint8_t *src, \ |
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uint8_t *dst, int src_size) \ |
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{ \ |
|
uint16_t *d = (uint16_t *)dst; \ |
|
const uint32_t *s = (const uint32_t *)src; \ |
|
int i, num_pixels = src_size >> 2; \ |
|
unsigned component; \ |
|
\ |
|
for (i = 0; i < num_pixels; i++) { \ |
|
unsigned p = AV_RL32(s + i); \ |
|
component = p & 0x3FF; \ |
|
d[(3 + alpha) * i + 0] = swap ? av_bswap16(component << 6 | component >> 4) \ |
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: component << 6 | component >> 4; \ |
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component = (p >> 10) & 0x3FF; \ |
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d[(3 + alpha) * i + 1] = swap ? av_bswap16(component << 6 | component >> 4) \ |
|
: component << 6 | component >> 4; \ |
|
component = (p >> 20) & 0x3FF; \ |
|
d[(3 + alpha) * i + 2] = swap ? av_bswap16(component << 6 | component >> 4) \ |
|
: component << 6 | component >> 4; \ |
|
if (alpha) d[(3 + alpha) * i + 3] = 0xffff; \ |
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} \ |
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} |
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|
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DEFINE_X2RGB10TOBGR16(nobswap, 0, 48, 0) |
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DEFINE_X2RGB10TOBGR16(bswap, 1, 48, 0) |
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DEFINE_X2RGB10TOBGR16(nobswap, 0, 64, 1) |
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DEFINE_X2RGB10TOBGR16(bswap, 1, 64, 1)
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