qpel.c

ffmpeg的完整源代码和作者自己写的文档。不但有在Linux的工程哦

/*
 * This is optimized for sh, which have post increment addressing (*p++).
 * Some CPU may be index (p[n]) faster than post increment (*p++).
 *
 * copyright (c) 2001-2003 BERO <[e-mail]>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#define PIXOP2(OPNAME, OP) \
/*static inline void OPNAME ## _no_rnd_pixels8_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),no_rnd_avg32(AV_RN32(src1  ),AV_RN32(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(AV_RN32(src1+4),AV_RN32(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void 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) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),AV_RN32(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(AV_RN32(src1+4),AV_RN32(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void 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) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),AV_RN32(src2  )) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),no_rnd_avg32(AV_RN32(src1  ),AV_RN32(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(AV_RN32(src1+4),AV_RN32(src2+4)) ); \
                OP(LP(dst+8),no_rnd_avg32(AV_RN32(src1+8),AV_RN32(src2+8)) ); \
                OP(LP(dst+12),no_rnd_avg32(AV_RN32(src1+12),AV_RN32(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void 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) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),AV_RN32(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(AV_RN32(src1+4),AV_RN32(src2+4)) ); \
                OP(LP(dst+8),rnd_avg32(AV_RN32(src1+8),AV_RN32(src2+8)) ); \
                OP(LP(dst+12),rnd_avg32(AV_RN32(src1+12),AV_RN32(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}*/\
\
static inline void OPNAME ## _pixels4_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _pixels4_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),LP(src2  )) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),no_rnd_avg32(AV_RN32(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(AV_RN32(src1+4),LP(src2+4)) ); \
                OP(LP(dst+8),no_rnd_avg32(AV_RN32(src1+8),LP(src2+8)) ); \
                OP(LP(dst+12),no_rnd_avg32(AV_RN32(src1+12),LP(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _pixels16_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(AV_RN32(src1+4),LP(src2+4)) ); \
                OP(LP(dst+8),rnd_avg32(AV_RN32(src1+8),LP(src2+8)) ); \
                OP(LP(dst+12),rnd_avg32(AV_RN32(src1+12),LP(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do { /* onlye src2 aligned */\
                OP(LP(dst  ),no_rnd_avg32(AV_RN32(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(AV_RN32(src1+4),LP(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _pixels8_l2_aligned2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(AV_RN32(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(AV_RN32(src1+4),LP(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),no_rnd_avg32(LP(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(LP(src1+4),LP(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _pixels8_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(LP(src1+4),LP(src2+4)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),no_rnd_avg32(LP(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),no_rnd_avg32(LP(src1+4),LP(src2+4)) ); \
                OP(LP(dst+8),no_rnd_avg32(LP(src1+8),LP(src2+8)) ); \
                OP(LP(dst+12),no_rnd_avg32(LP(src1+12),LP(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _pixels16_l2_aligned(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{\
        do {\
                OP(LP(dst  ),rnd_avg32(LP(src1  ),LP(src2  )) ); \
                OP(LP(dst+4),rnd_avg32(LP(src1+4),LP(src2+4)) ); \
                OP(LP(dst+8),rnd_avg32(LP(src1+8),LP(src2+8)) ); \
                OP(LP(dst+12),rnd_avg32(LP(src1+12),LP(src2+12)) ); \
                src1+=src_stride1; \
                src2+=src_stride2; \
                dst+=dst_stride; \
        } while(--h); \
}\
\
static inline void OPNAME ## _no_rnd_pixels16_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _no_rnd_pixels16_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels16_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _pixels16_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _no_rnd_pixels8_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _no_rnd_pixels8_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels8_l2_aligned1(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, int src_stride1, int src_stride2, int h) \
{ OPNAME ## _pixels8_l2_aligned2(dst,src2,src1,dst_stride,src_stride2,src_stride1,h); } \
\
static inline void OPNAME ## _pixels8_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
        do { \
                uint32_t a0,a1,a2,a3; \
                UNPACK(a0,a1,LP(src1),LP(src2)); \
                UNPACK(a2,a3,LP(src3),LP(src4)); \
                OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
                UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
                UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
                OP(LP(dst+4),rnd_PACK(a0,a1,a2,a3)); \
                src1+=src_stride1;\
                src2+=src_stride2;\
                src3+=src_stride3;\
                src4+=src_stride4;\
                dst+=dst_stride;\
        } while(--h); \
} \
\
static inline void OPNAME ## _no_rnd_pixels8_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
        do { \
                uint32_t a0,a1,a2,a3; \
                UNPACK(a0,a1,LP(src1),LP(src2)); \
                UNPACK(a2,a3,LP(src3),LP(src4)); \
                OP(LP(dst),no_rnd_PACK(a0,a1,a2,a3)); \
                UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
                UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
                OP(LP(dst+4),no_rnd_PACK(a0,a1,a2,a3)); \
                src1+=src_stride1;\
                src2+=src_stride2;\
                src3+=src_stride3;\
                src4+=src_stride4;\
                dst+=dst_stride;\
        } while(--h); \
} \
\
static inline void OPNAME ## _pixels8_l4_aligned0(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
        do { \
                uint32_t a0,a1,a2,a3; /* src1 only not aligned */\
                UNPACK(a0,a1,AV_RN32(src1),LP(src2)); \
                UNPACK(a2,a3,LP(src3),LP(src4)); \
                OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
                UNPACK(a0,a1,AV_RN32(src1+4),LP(src2+4)); \
                UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
                OP(LP(dst+4),rnd_PACK(a0,a1,a2,a3)); \
                src1+=src_stride1;\
                src2+=src_stride2;\
                src3+=src_stride3;\
                src4+=src_stride4;\
                dst+=dst_stride;\
        } while(--h); \
} \
\
static inline void OPNAME ## _no_rnd_pixels8_l4_aligned0(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
        do { \
                uint32_t a0,a1,a2,a3; \
                UNPACK(a0,a1,AV_RN32(src1),LP(src2)); \
                UNPACK(a2,a3,LP(src3),LP(src4)); \
                OP(LP(dst),no_rnd_PACK(a0,a1,a2,a3)); \
                UNPACK(a0,a1,AV_RN32(src1+4),LP(src2+4)); \
                UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \
                OP(LP(dst+4),no_rnd_PACK(a0,a1,a2,a3)); \
                src1+=src_stride1;\
                src2+=src_stride2;\
                src3+=src_stride3;\
                src4+=src_stride4;\
                dst+=dst_stride;\
        } while(--h); \
} \
\
static inline void OPNAME ## _pixels16_l4_aligned(uint8_t *dst, const uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4,int dst_stride, int src_stride1, int src_stride2,int src_stride3,int src_stride4, int h){\
        do { \
                uint32_t a0,a1,a2,a3; \
                UNPACK(a0,a1,LP(src1),LP(src2)); \
                UNPACK(a2,a3,LP(src3),LP(src4)); \
                OP(LP(dst),rnd_PACK(a0,a1,a2,a3)); \
                UNPACK(a0,a1,LP(src1+4),LP(src2+4)); \
                UNPACK(a2,a3,LP(src3+4),LP(src4+4)); \