postprocess_altivec_template.c

ffmpeg移植到symbian的全部源代码

            OP(1);
            OP(2);
            OP(3);
            OP(4);
            OP(5);
            OP(6);
            OP(7);
#undef OP
        } else {
#define OP(i) v_tempBlurredAss##i = v_srcAss##i;

            OP(0);
            OP(1);
            OP(2);
            OP(3);
            OP(4);
            OP(5);
            OP(6);
            OP(7);
#undef OP
        }
    } else {
        if (d < maxNoise[0]) {
            const vector signed short vsint16_7 = vec_splat_s16(7);
            const vector signed short vsint16_4 = vec_splat_s16(4);
            const vector unsigned short vuint16_3 = vec_splat_u16(3);

#define OP(i)                                                   \
            const vector signed short v_temp##i =               \
                vec_mladd(v_tempBlurredAss##i,                  \
                          vsint16_7, v_srcAss##i);              \
            const vector signed short v_temp2##i =              \
                vec_add(v_temp##i, vsint16_4);                  \
            v_tempBlurredAss##i = vec_sr(v_temp2##i, vuint16_3)

            OP(0);
            OP(1);
            OP(2);
            OP(3);
            OP(4);
            OP(5);
            OP(6);
            OP(7);
#undef OP
        } else {
            const vector signed short vsint16_3 = vec_splat_s16(3);
            const vector signed short vsint16_2 = vec_splat_s16(2);

#define OP(i)                                                   \
            const vector signed short v_temp##i =               \
                vec_mladd(v_tempBlurredAss##i,                  \
                          vsint16_3, v_srcAss##i);              \
            const vector signed short v_temp2##i =              \
                vec_add(v_temp##i, vsint16_2);                  \
            v_tempBlurredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)

            OP(0);
            OP(1);
            OP(2);
            OP(3);
            OP(4);
            OP(5);
            OP(6);
            OP(7);
#undef OP
        }
    }

    const vector signed char neg1 = vec_splat_s8(-1);
    const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                                                                        0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);

#define PACK_AND_STORE(src, i)                                  \
    const vector unsigned char perms##src##i =                  \
        vec_lvsr(i * stride, src);                              \
    const vector unsigned char vf##src##i =                     \
        vec_packsu(v_tempBlurredAss##i, (vector signed short)zero); \
    const vector unsigned char vg##src##i =                     \
        vec_perm(vf##src##i, v_##src##A##i, permHH);            \
    const vector unsigned char mask##src##i =                   \
        vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
    const vector unsigned char vg2##src##i =                    \
        vec_perm(vg##src##i, vg##src##i, perms##src##i);        \
    const vector unsigned char svA##src##i =                    \
        vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i);     \
    const vector unsigned char svB##src##i =                    \
        vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i);     \
    vec_st(svA##src##i, i * stride, src);                       \
    vec_st(svB##src##i, i * stride + 16, src)

    PACK_AND_STORE(src, 0);
    PACK_AND_STORE(src, 1);
    PACK_AND_STORE(src, 2);
    PACK_AND_STORE(src, 3);
    PACK_AND_STORE(src, 4);
    PACK_AND_STORE(src, 5);
    PACK_AND_STORE(src, 6);
    PACK_AND_STORE(src, 7);
    PACK_AND_STORE(tempBlurred, 0);
    PACK_AND_STORE(tempBlurred, 1);
    PACK_AND_STORE(tempBlurred, 2);
    PACK_AND_STORE(tempBlurred, 3);
    PACK_AND_STORE(tempBlurred, 4);
    PACK_AND_STORE(tempBlurred, 5);
    PACK_AND_STORE(tempBlurred, 6);
    PACK_AND_STORE(tempBlurred, 7);
#undef PACK_AND_STORE
}

static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
    const vector unsigned char zero = vec_splat_u8(0);

#define LOAD_DOUBLE_LINE(i, j)                                          \
    vector unsigned char perm1##i = vec_lvsl(i * stride, src);          \
    vector unsigned char perm2##i = vec_lvsl(j * stride, src);          \
    vector unsigned char srcA##i = vec_ld(i * stride, src);             \
    vector unsigned char srcB##i = vec_ld(i * stride + 16, src);        \
    vector unsigned char srcC##i = vec_ld(j * stride, src);             \
    vector unsigned char srcD##i = vec_ld(j * stride+ 16, src);         \
    vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
    vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)

    LOAD_DOUBLE_LINE(0, 1);
    LOAD_DOUBLE_LINE(2, 3);
    LOAD_DOUBLE_LINE(4, 5);
    LOAD_DOUBLE_LINE(6, 7);
#undef LOAD_DOUBLE_LINE

    vector unsigned char tempA = vec_mergeh(src0, zero);
    vector unsigned char tempB = vec_mergel(src0, zero);
    vector unsigned char tempC = vec_mergeh(src1, zero);
    vector unsigned char tempD = vec_mergel(src1, zero);
    vector unsigned char tempE = vec_mergeh(src2, zero);
    vector unsigned char tempF = vec_mergel(src2, zero);
    vector unsigned char tempG = vec_mergeh(src3, zero);
    vector unsigned char tempH = vec_mergel(src3, zero);
    vector unsigned char tempI = vec_mergeh(src4, zero);
    vector unsigned char tempJ = vec_mergel(src4, zero);
    vector unsigned char tempK = vec_mergeh(src5, zero);
    vector unsigned char tempL = vec_mergel(src5, zero);
    vector unsigned char tempM = vec_mergeh(src6, zero);
    vector unsigned char tempN = vec_mergel(src6, zero);
    vector unsigned char tempO = vec_mergeh(src7, zero);
    vector unsigned char tempP = vec_mergel(src7, zero);

    vector unsigned char temp0  = vec_mergeh(tempA, tempI);
    vector unsigned char temp1  = vec_mergel(tempA, tempI);
    vector unsigned char temp2  = vec_mergeh(tempB, tempJ);
    vector unsigned char temp3  = vec_mergel(tempB, tempJ);
    vector unsigned char temp4  = vec_mergeh(tempC, tempK);
    vector unsigned char temp5  = vec_mergel(tempC, tempK);
    vector unsigned char temp6  = vec_mergeh(tempD, tempL);
    vector unsigned char temp7  = vec_mergel(tempD, tempL);
    vector unsigned char temp8  = vec_mergeh(tempE, tempM);
    vector unsigned char temp9  = vec_mergel(tempE, tempM);
    vector unsigned char temp10 = vec_mergeh(tempF, tempN);
    vector unsigned char temp11 = vec_mergel(tempF, tempN);
    vector unsigned char temp12 = vec_mergeh(tempG, tempO);
    vector unsigned char temp13 = vec_mergel(tempG, tempO);
    vector unsigned char temp14 = vec_mergeh(tempH, tempP);
    vector unsigned char temp15 = vec_mergel(tempH, tempP);

    tempA = vec_mergeh(temp0, temp8);
    tempB = vec_mergel(temp0, temp8);
    tempC = vec_mergeh(temp1, temp9);
    tempD = vec_mergel(temp1, temp9);
    tempE = vec_mergeh(temp2, temp10);
    tempF = vec_mergel(temp2, temp10);
    tempG = vec_mergeh(temp3, temp11);
    tempH = vec_mergel(temp3, temp11);
    tempI = vec_mergeh(temp4, temp12);
    tempJ = vec_mergel(temp4, temp12);
    tempK = vec_mergeh(temp5, temp13);
    tempL = vec_mergel(temp5, temp13);
    tempM = vec_mergeh(temp6, temp14);
    tempN = vec_mergel(temp6, temp14);
    tempO = vec_mergeh(temp7, temp15);
    tempP = vec_mergel(temp7, temp15);

    temp0  = vec_mergeh(tempA, tempI);
    temp1  = vec_mergel(tempA, tempI);
    temp2  = vec_mergeh(tempB, tempJ);
    temp3  = vec_mergel(tempB, tempJ);
    temp4  = vec_mergeh(tempC, tempK);
    temp5  = vec_mergel(tempC, tempK);
    temp6  = vec_mergeh(tempD, tempL);
    temp7  = vec_mergel(tempD, tempL);
    temp8  = vec_mergeh(tempE, tempM);
    temp9  = vec_mergel(tempE, tempM);
    temp10 = vec_mergeh(tempF, tempN);
    temp11 = vec_mergel(tempF, tempN);
    temp12 = vec_mergeh(tempG, tempO);
    temp13 = vec_mergel(tempG, tempO);
    temp14 = vec_mergeh(tempH, tempP);
    temp15 = vec_mergel(tempH, tempP);

    vec_st(temp0,    0, dst);
    vec_st(temp1,   16, dst);
    vec_st(temp2,   32, dst);
    vec_st(temp3,   48, dst);
    vec_st(temp4,   64, dst);
    vec_st(temp5,   80, dst);
    vec_st(temp6,   96, dst);
    vec_st(temp7,  112, dst);
    vec_st(temp8,  128, dst);
    vec_st(temp9,  144, dst);
    vec_st(temp10, 160, dst);
    vec_st(temp11, 176, dst);
    vec_st(temp12, 192, dst);
    vec_st(temp13, 208, dst);
    vec_st(temp14, 224, dst);
    vec_st(temp15, 240, dst);
}

static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
    const vector unsigned char zero = vec_splat_u8(0);

#define LOAD_DOUBLE_LINE(i, j)                                  \
    vector unsigned char src##i = vec_ld(i * 16, src);            \
    vector unsigned char src##j = vec_ld(j * 16, src)

    LOAD_DOUBLE_LINE(0, 1);
    LOAD_DOUBLE_LINE(2, 3);
    LOAD_DOUBLE_LINE(4, 5);
    LOAD_DOUBLE_LINE(6, 7);
    LOAD_DOUBLE_LINE(8, 9);
    LOAD_DOUBLE_LINE(10, 11);
    LOAD_DOUBLE_LINE(12, 13);
    LOAD_DOUBLE_LINE(14, 15);
#undef LOAD_DOUBLE_LINE

    vector unsigned char tempA = vec_mergeh(src0, src8);
    vector unsigned char tempB;
    vector unsigned char tempC = vec_mergeh(src1, src9);
    vector unsigned char tempD;
    vector unsigned char tempE = vec_mergeh(src2, src10);
    vector unsigned char tempG = vec_mergeh(src3, src11);
    vector unsigned char tempI = vec_mergeh(src4, src12);
    vector unsigned char tempJ;
    vector unsigned char tempK = vec_mergeh(src5, src13);
    vector unsigned char tempL;
    vector unsigned char tempM = vec_mergeh(src6, src14);
    vector unsigned char tempO = vec_mergeh(src7, src15);

    vector unsigned char temp0 = vec_mergeh(tempA, tempI);
    vector unsigned char temp1 = vec_mergel(tempA, tempI);
    vector unsigned char temp2;
    vector unsigned char temp3;
    vector unsigned char temp4 = vec_mergeh(tempC, tempK);
    vector unsigned char temp5 = vec_mergel(tempC, tempK);
    vector unsigned char temp6;
    vector unsigned char temp7;
    vector unsigned char temp8 = vec_mergeh(tempE, tempM);
    vector unsigned char temp9 = vec_mergel(tempE, tempM);
    vector unsigned char temp12 = vec_mergeh(tempG, tempO);
    vector unsigned char temp13 = vec_mergel(tempG, tempO);

    tempA = vec_mergeh(temp0, temp8);
    tempB = vec_mergel(temp0, temp8);
    tempC = vec_mergeh(temp1, temp9);
    tempD = vec_mergel(temp1, temp9);
    tempI = vec_mergeh(temp4, temp12);
    tempJ = vec_mergel(temp4, temp12);
    tempK = vec_mergeh(temp5, temp13);
    tempL = vec_mergel(temp5, temp13);

    temp0 = vec_mergeh(tempA, tempI);
    temp1 = vec_mergel(tempA, tempI);
    temp2 = vec_mergeh(tempB, tempJ);
    temp3 = vec_mergel(tempB, tempJ);
    temp4 = vec_mergeh(tempC, tempK);
    temp5 = vec_mergel(tempC, tempK);
    temp6 = vec_mergeh(tempD, tempL);
    temp7 = vec_mergel(tempD, tempL);


    const vector signed char neg1 = vec_splat_s8(-1);
#define STORE_DOUBLE_LINE(i, j)                                         \
    vector unsigned char dstA##i = vec_ld(i * stride, dst);             \
    vector unsigned char dstB##i = vec_ld(i * stride + 16, dst);        \
    vector unsigned char dstA##j = vec_ld(j * stride, dst);             \
    vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst);         \
    vector unsigned char align##i = vec_lvsr(i * stride, dst);          \
    vector unsigned char align##j = vec_lvsr(j * stride, dst);          \
    vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
    vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
    vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i);\
    vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j);\
    vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i); \
    vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i); \
    vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j); \
    vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j); \
    vec_st(dstAF##i, i * stride, dst);                                  \
    vec_st(dstBF##i, i * stride + 16, dst);                             \
    vec_st(dstAF##j, j * stride, dst);                                  \
    vec_st(dstBF##j, j * stride + 16, dst)

    STORE_DOUBLE_LINE(0,1);
    STORE_DOUBLE_LINE(2,3);
    STORE_DOUBLE_LINE(4,5);
    STORE_DOUBLE_LINE(6,7);
}