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path: root/libavcodec/hpel_template.c
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/*
 * Copyright (c) 2000, 2001 Fabrice Bellard
 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#define DEF_HPEL(OPNAME, OP) \
static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
    int i;\
    for(i=0; i<h; i++){\
        OP(*((pixel2*)(block  )), AV_RN2P(pixels  ));\
        pixels+=line_size;\
        block +=line_size;\
    }\
}\
static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
    int i;\
    for(i=0; i<h; i++){\
        OP(*((pixel4*)(block  )), AV_RN4P(pixels  ));\
        pixels+=line_size;\
        block +=line_size;\
    }\
}\
static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\
    int i;\
    for(i=0; i<h; i++){\
        OP(*((pixel4*)(block                )), AV_RN4P(pixels                ));\
        OP(*((pixel4*)(block+4*sizeof(pixel))), AV_RN4P(pixels+4*sizeof(pixel)));\
        pixels+=line_size;\
        block +=line_size;\
    }\
}\
\
static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                int src_stride1, int src_stride2, int h){\
    int i;\
    for(i=0; i<h; i++){\
        pixel4 a,b;\
        a= AV_RN4P(&src1[i*src_stride1  ]);\
        b= AV_RN4P(&src2[i*src_stride2  ]);\
        OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
        a= AV_RN4P(&src1[i*src_stride1+4*sizeof(pixel)]);\
        b= AV_RN4P(&src2[i*src_stride2+4*sizeof(pixel)]);\
        OP(*((pixel4*)&dst[i*dst_stride+4*sizeof(pixel)]), rnd_avg_pixel4(a, b));\
    }\
}\
\
static inline void FUNC(OPNAME ## _pixels4_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                int src_stride1, int src_stride2, int h){\
    int i;\
    for(i=0; i<h; i++){\
        pixel4 a,b;\
        a= AV_RN4P(&src1[i*src_stride1  ]);\
        b= AV_RN4P(&src2[i*src_stride2  ]);\
        OP(*((pixel4*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
    }\
}\
\
static inline void FUNC(OPNAME ## _pixels2_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                int src_stride1, int src_stride2, int h){\
    int i;\
    for(i=0; i<h; i++){\
        pixel4 a,b;\
        a= AV_RN2P(&src1[i*src_stride1  ]);\
        b= AV_RN2P(&src2[i*src_stride2  ]);\
        OP(*((pixel2*)&dst[i*dst_stride  ]), rnd_avg_pixel4(a, b));\
    }\
}\
\
static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \
                                                int src_stride1, int src_stride2, int h){\
    FUNC(OPNAME ## _pixels8_l2)(dst  , src1  , src2  , dst_stride, src_stride1, src_stride2, h);\
    FUNC(OPNAME ## _pixels8_l2)(dst+8*sizeof(pixel), src1+8*sizeof(pixel), src2+8*sizeof(pixel), dst_stride, src_stride1, src_stride2, h);\
}\
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16)    , FUNCC(OPNAME ## _pixels8)    , 8*sizeof(pixel))


#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b

DEF_HPEL(avg, op_avg)
DEF_HPEL(put, op_put)
#undef op_avg
#undef op_put