mirror of https://git.ffmpeg.org/ffmpeg.git
443 lines
15 KiB
C
443 lines
15 KiB
C
/*
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 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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* The C code (not assembly, MMX, ...) of this file can be used
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* under the LGPL license.
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*/
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#include <inttypes.h>
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#include "config.h"
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#include "libavutil/x86_cpu.h"
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#include "libavutil/bswap.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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#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
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void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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long lumStride, long chromStride, long dstStride);
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void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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long lumStride, long chromStride, long dstStride);
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void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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long lumStride, long chromStride, long dstStride);
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void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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long width, long height,
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long lumStride, long chromStride, long dstStride);
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void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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long width, long height,
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long lumStride, long chromStride, long srcStride);
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void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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long width, long height,
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long lumStride, long chromStride, long srcStride);
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void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
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long srcStride, long dstStride);
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void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
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long width, long height, long src1Stride,
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long src2Stride, long dstStride);
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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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long width, long height,
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long srcStride1, long srcStride2,
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long dstStride1, long dstStride2);
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void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
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uint8_t *dst,
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long width, long height,
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long srcStride1, long srcStride2,
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long srcStride3, long dstStride);
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#if ARCH_X86 && CONFIG_GPL
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DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL;
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DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL;
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DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
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DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
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DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL;
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#define mask16b mask15b
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DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL;
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DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL;
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DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
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DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL;
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DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL;
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DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
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DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
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#endif /* ARCH_X86 */
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#define RGB2YUV_SHIFT 8
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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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//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
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//plain C versions
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#undef HAVE_MMX
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#undef HAVE_MMX2
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#undef HAVE_AMD3DNOW
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#undef HAVE_SSE2
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#define HAVE_MMX 0
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#define HAVE_MMX2 0
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#define HAVE_AMD3DNOW 0
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#define HAVE_SSE2 0
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#define RENAME(a) a ## _C
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#include "rgb2rgb_template.c"
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#if ARCH_X86 && CONFIG_GPL
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//MMX versions
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#undef RENAME
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#undef HAVE_MMX
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#define HAVE_MMX 1
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#define RENAME(a) a ## _MMX
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#include "rgb2rgb_template.c"
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//MMX2 versions
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#undef RENAME
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#undef HAVE_MMX2
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#define HAVE_MMX2 1
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#define RENAME(a) a ## _MMX2
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#include "rgb2rgb_template.c"
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//3DNOW versions
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#undef RENAME
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#undef HAVE_MMX2
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#undef HAVE_AMD3DNOW
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#define HAVE_MMX2 0
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#define HAVE_AMD3DNOW 1
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#define RENAME(a) a ## _3DNOW
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#include "rgb2rgb_template.c"
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#endif //ARCH_X86 || ARCH_X86_64
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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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MMX2, 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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void sws_rgb2rgb_init(int flags){
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#if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX) && CONFIG_GPL
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if (flags & SWS_CPU_CAPS_MMX2)
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rgb2rgb_init_MMX2();
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else if (flags & SWS_CPU_CAPS_3DNOW)
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rgb2rgb_init_3DNOW();
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else if (flags & SWS_CPU_CAPS_MMX)
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rgb2rgb_init_MMX();
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else
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#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
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rgb2rgb_init_C();
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}
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/**
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* Convert the palette to the same packet 32-bit format as the palette
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*/
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void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
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}
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/**
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* Palette format: ABCD -> dst format: ABC
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*/
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void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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{
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//FIXME slow?
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dst[0]= palette[src[i]*4+0];
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dst[1]= palette[src[i]*4+1];
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dst[2]= palette[src[i]*4+2];
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dst+= 3;
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}
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}
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/**
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* Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
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*/
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void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
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}
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void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
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}
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/**
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* Palette is assumed to contain BGR15, see rgb32to15 to convert the palette.
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*/
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void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
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}
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void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
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{
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long i;
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for (i=0; i<num_pixels; i++)
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((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
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}
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void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
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{
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long i;
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long num_pixels = src_size >> 2;
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for (i=0; i<num_pixels; i++)
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{
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#ifdef WORDS_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, long src_size)
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{
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long i;
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for (i=0; 3*i<src_size; i++)
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{
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#ifdef WORDS_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, long src_size)
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{
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const uint16_t *end;
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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end = s + src_size/2;
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while (s < end)
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{
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register uint16_t bgr;
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bgr = *s++;
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#ifdef WORDS_BIGENDIAN
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*d++ = 255;
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*d++ = (bgr&0x1F)<<3;
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*d++ = (bgr&0x7E0)>>3;
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*d++ = (bgr&0xF800)>>8;
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#else
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*d++ = (bgr&0xF800)>>8;
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*d++ = (bgr&0x7E0)>>3;
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*d++ = (bgr&0x1F)<<3;
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*d++ = 255;
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#endif
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}
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}
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void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
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{
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const uint16_t *end;
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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end = s + src_size/2;
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while (s < end)
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{
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register uint16_t bgr;
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bgr = *s++;
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*d++ = (bgr&0xF800)>>8;
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*d++ = (bgr&0x7E0)>>3;
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*d++ = (bgr&0x1F)<<3;
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}
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}
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void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
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{
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long i;
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long num_pixels = src_size >> 1;
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for (i=0; i<num_pixels; i++)
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{
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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, long src_size)
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{
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long i;
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long num_pixels = src_size >> 1;
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for (i=0; i<num_pixels; i++)
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{
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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, long src_size)
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{
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const uint16_t *end;
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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end = s + src_size/2;
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while (s < end)
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{
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register uint16_t bgr;
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bgr = *s++;
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#ifdef WORDS_BIGENDIAN
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*d++ = 255;
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*d++ = (bgr&0x1F)<<3;
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*d++ = (bgr&0x3E0)>>2;
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*d++ = (bgr&0x7C00)>>7;
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#else
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*d++ = (bgr&0x7C00)>>7;
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*d++ = (bgr&0x3E0)>>2;
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*d++ = (bgr&0x1F)<<3;
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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, long src_size)
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{
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const uint16_t *end;
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uint8_t *d = dst;
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const uint16_t *s = (const uint16_t *)src;
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end = s + src_size/2;
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while (s < end)
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{
|
|
register uint16_t bgr;
|
|
bgr = *s++;
|
|
*d++ = (bgr&0x7C00)>>7;
|
|
*d++ = (bgr&0x3E0)>>2;
|
|
*d++ = (bgr&0x1F)<<3;
|
|
}
|
|
}
|
|
|
|
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
|
|
{
|
|
long i;
|
|
long num_pixels = src_size >> 1;
|
|
|
|
for (i=0; i<num_pixels; i++)
|
|
{
|
|
unsigned rgb = ((const uint16_t*)src)[i];
|
|
((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
|
|
}
|
|
}
|
|
|
|
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
|
|
{
|
|
long i;
|
|
long num_pixels = src_size >> 1;
|
|
|
|
for (i=0; i<num_pixels; i++)
|
|
{
|
|
unsigned br;
|
|
unsigned rgb = ((const uint16_t*)src)[i];
|
|
br = rgb&0x7c1F;
|
|
((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
|
|
}
|
|
}
|
|
|
|
void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
|
|
{
|
|
long i;
|
|
long num_pixels = src_size;
|
|
for (i=0; i<num_pixels; i++)
|
|
{
|
|
unsigned b,g,r;
|
|
register uint8_t rgb;
|
|
rgb = src[i];
|
|
r = (rgb&0x07);
|
|
g = (rgb&0x38)>>3;
|
|
b = (rgb&0xC0)>>6;
|
|
dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
|
|
}
|
|
}
|