Subversion Repositories Kolibri OS

/*

 * Copyright (c) 2000, 2001 Fabrice Bellard

 * Copyright (c) 2002-2004 Michael Niedermayer 

 *

 * 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

 */

#include "libavutil/avassert.h"

#include "bit_depth_template.c"

#define H264_CHROMA_MC(OPNAME, OP)\

static void FUNCC(OPNAME ## h264_chroma_mc1)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\

    pixel *dst = (pixel*)_dst;\

    pixel *src = (pixel*)_src;\

    const int A=(8-x)*(8-y);\

    const int B=(  x)*(8-y);\

    const int C=(8-x)*(  y);\

    const int D=(  x)*(  y);\

    int i;\

    stride >>= sizeof(pixel)-1;\

    \

    av_assert2(x<8 && y<8 && x>=0 && y>=0);\

\

    if(D){\

        for(i=0; i

            OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\

            dst+= stride;\

            src+= stride;\

        }\

    }else{\

        const int E= B+C;\

        const int step= C ? stride : 1;\

        for(i=0; i

            OP(dst[0], (A*src[0] + E*src[step+0]));\

            dst+= stride;\

            src+= stride;\

        }\

    }\

}\

static void FUNCC(OPNAME ## h264_chroma_mc2)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\

    pixel *dst = (pixel*)_dst;\

    pixel *src = (pixel*)_src;\

    const int A=(8-x)*(8-y);\

    const int B=(  x)*(8-y);\

    const int C=(8-x)*(  y);\

    const int D=(  x)*(  y);\

    int i;\

    stride >>= sizeof(pixel)-1;\

    \

    av_assert2(x<8 && y<8 && x>=0 && y>=0);\

\

    if(D){\

        for(i=0; i

            OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\

            OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\

            dst+= stride;\

            src+= stride;\

        }\

    }else{\

        const int E= B+C;\

        const int step= C ? stride : 1;\

        for(i=0; i

            OP(dst[0], (A*src[0] + E*src[step+0]));\

            OP(dst[1], (A*src[1] + E*src[step+1]));\

            dst+= stride;\

            src+= stride;\

        }\

    }\

}\

\

static void FUNCC(OPNAME ## h264_chroma_mc4)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\

    pixel *dst = (pixel*)_dst;\

    pixel *src = (pixel*)_src;\

    const int A=(8-x)*(8-y);\

    const int B=(  x)*(8-y);\

    const int C=(8-x)*(  y);\

    const int D=(  x)*(  y);\

    int i;\

    stride >>= sizeof(pixel)-1;\

    \

    av_assert2(x<8 && y<8 && x>=0 && y>=0);\

\

    if(D){\

        for(i=0; i

            OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\

            OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\

            OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\

            OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\

            dst+= stride;\

            src+= stride;\

        }\

    }else{\

        const int E= B+C;\

        const int step= C ? stride : 1;\

        for(i=0; i

            OP(dst[0], (A*src[0] + E*src[step+0]));\

            OP(dst[1], (A*src[1] + E*src[step+1]));\

            OP(dst[2], (A*src[2] + E*src[step+2]));\

            OP(dst[3], (A*src[3] + E*src[step+3]));\

            dst+= stride;\

            src+= stride;\

        }\

    }\

}\

\

static void FUNCC(OPNAME ## h264_chroma_mc8)(uint8_t *_dst/*align 8*/, uint8_t *_src/*align 1*/, int stride, int h, int x, int y){\

    pixel *dst = (pixel*)_dst;\

    pixel *src = (pixel*)_src;\

    const int A=(8-x)*(8-y);\

    const int B=(  x)*(8-y);\

    const int C=(8-x)*(  y);\

    const int D=(  x)*(  y);\

    int i;\

    stride >>= sizeof(pixel)-1;\

    \

    av_assert2(x<8 && y<8 && x>=0 && y>=0);\

\

    if(D){\

        for(i=0; i

            OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\

            OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2]));\

            OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3]));\

            OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4]));\

            OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5]));\

            OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6]));\

            OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7]));\

            OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8]));\

            dst+= stride;\

            src+= stride;\

        }\

    }else{\

        const int E= B+C;\

        const int step= C ? stride : 1;\

        for(i=0; i

            OP(dst[0], (A*src[0] + E*src[step+0]));\

            OP(dst[1], (A*src[1] + E*src[step+1]));\

            OP(dst[2], (A*src[2] + E*src[step+2]));\

            OP(dst[3], (A*src[3] + E*src[step+3]));\

            OP(dst[4], (A*src[4] + E*src[step+4]));\

            OP(dst[5], (A*src[5] + E*src[step+5]));\

            OP(dst[6], (A*src[6] + E*src[step+6]));\

            OP(dst[7], (A*src[7] + E*src[step+7]));\

            dst+= stride;\

            src+= stride;\

        }\

    }\

}

#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)

#define op_put(a, b) a = (((b) + 32)>>6)

H264_CHROMA_MC(put_       , op_put)

H264_CHROMA_MC(avg_       , op_avg)

#undef op_avg

#undef op_put