mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-21 08:45:06 +02:00
255 lines
9.5 KiB
C
255 lines
9.5 KiB
C
/*
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* Half-pel DSP functions.
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <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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/**
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* @file
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* Half-pel DSP functions.
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*/
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#include "bit_depth_template.c"
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#include "hpel_template.c"
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#define PIXOP2(OPNAME, OP) \
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static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
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int src_stride1, int src_stride2, int h){\
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int i;\
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for(i=0; i<h; i++){\
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pixel4 a,b;\
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a= AV_RN4P(&src1[i*src_stride1 ]);\
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b= AV_RN4P(&src2[i*src_stride2 ]);\
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OP(*((pixel4*)&dst[i*dst_stride ]), no_rnd_avg_pixel4(a, b));\
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a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
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b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
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OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), no_rnd_avg_pixel4(a, b));\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _no_rnd_pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels8_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels4_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+sizeof(pixel), line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
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FUNC(OPNAME ## _pixels2_l2)(block, pixels, pixels+line_size, line_size, line_size, line_size, h);\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels2_xy2)(uint8_t *_block, const uint8_t *_pixels, ptrdiff_t line_size, int h)\
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{\
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int i, a0, b0, a1, b1;\
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pixel *block = (pixel*)_block;\
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const pixel *pixels = (const pixel*)_pixels;\
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line_size >>= sizeof(pixel)-1;\
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a0= pixels[0];\
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b0= pixels[1] + 2;\
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a0 += b0;\
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b0 += pixels[2];\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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a1= pixels[0];\
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b1= pixels[1];\
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a1 += b1;\
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b1 += pixels[2];\
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\
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block[0]= (a1+a0)>>2; /* FIXME non put */\
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block[1]= (b1+b0)>>2;\
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\
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pixels+=line_size;\
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block +=line_size;\
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\
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a0= pixels[0];\
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b0= pixels[1] + 2;\
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a0 += b0;\
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b0 += pixels[2];\
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\
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block[0]= (a1+a0)>>2;\
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block[1]= (b1+b0)>>2;\
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pixels+=line_size;\
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block +=line_size;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels4_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
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{\
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/* FIXME HIGH BIT DEPTH */\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
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{\
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/* FIXME HIGH BIT DEPTH */\
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int j;\
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for(j=0; j<2; j++){\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x02020202UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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}\
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pixels+=4-line_size*(h+1);\
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block +=4-line_size*h;\
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}\
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}\
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\
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static inline void FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\
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{\
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/* FIXME HIGH BIT DEPTH */\
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int j;\
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for(j=0; j<2; j++){\
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int i;\
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const uint32_t a= AV_RN32(pixels );\
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const uint32_t b= AV_RN32(pixels+1);\
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uint32_t l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x01010101UL;\
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uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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uint32_t l1,h1;\
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\
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pixels+=line_size;\
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for(i=0; i<h; i+=2){\
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uint32_t a= AV_RN32(pixels );\
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uint32_t b= AV_RN32(pixels+1);\
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l1= (a&0x03030303UL)\
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+ (b&0x03030303UL);\
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h1= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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a= AV_RN32(pixels );\
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b= AV_RN32(pixels+1);\
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l0= (a&0x03030303UL)\
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+ (b&0x03030303UL)\
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+ 0x01010101UL;\
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h0= ((a&0xFCFCFCFCUL)>>2)\
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+ ((b&0xFCFCFCFCUL)>>2);\
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OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
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pixels+=line_size;\
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block +=line_size;\
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}\
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pixels+=4-line_size*(h+1);\
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block +=4-line_size*h;\
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}\
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}\
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\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_x2) , FUNCC(OPNAME ## _pixels8_x2) , 8*sizeof(pixel))\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2) , FUNCC(OPNAME ## _pixels8_y2) , 8*sizeof(pixel))\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\
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av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2) , FUNCC(OPNAME ## _no_rnd_pixels8_x2) , 8*sizeof(pixel))\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2) , FUNCC(OPNAME ## _no_rnd_pixels8_y2) , 8*sizeof(pixel))\
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CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), FUNCC(OPNAME ## _no_rnd_pixels8_xy2), 8*sizeof(pixel))\
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#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
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#define op_put(a, b) a = b
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#if BIT_DEPTH == 8
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#define put_no_rnd_pixels8_8_c put_pixels8_8_c
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PIXOP2(avg, op_avg)
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PIXOP2(put, op_put)
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#endif
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#undef op_avg
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#undef op_put
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