h264pred.c

播放H264文件的播放器

static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_DC(0x80808080);
}
static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_LEFT;
    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
    PREDICT_8x8_DC(dc);
}
static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
    PREDICT_8x8_DC(dc);
}
static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_LEFT;
    PREDICT_8x8_LOAD_TOP;
    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
                         +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
    PREDICT_8x8_DC(dc);
}
static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_LEFT;
#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
               ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
#undef ROW
}
static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    int y;
    PREDICT_8x8_LOAD_TOP;
    src[0] = t0;
    src[1] = t1;
    src[2] = t2;
    src[3] = t3;
    src[4] = t4;
    src[5] = t5;
    src[6] = t6;
    src[7] = t7;
    for( y = 1; y < 8; y++ )
        *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
}
static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    PREDICT_8x8_LOAD_TOPRIGHT;
    SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
    SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
    SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
    SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
    SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
    SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
    SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
    SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
    SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
}
static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    PREDICT_8x8_LOAD_LEFT;
    PREDICT_8x8_LOAD_TOPLEFT;
    SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
    SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
    SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
    SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
    SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
    SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
    SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
    SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
    SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
    SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
    SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
    SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;

}
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    PREDICT_8x8_LOAD_LEFT;
    PREDICT_8x8_LOAD_TOPLEFT;
    SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
    SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
    SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
    SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
    SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
    SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
    SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
    SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
    SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
    SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
    SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
    SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
    SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
    SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
    SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
    SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
    SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
    SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
    SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
    SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
    SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
    SRC(7,0)= (t6 + t7 + 1) >> 1;
}
static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    PREDICT_8x8_LOAD_LEFT;
    PREDICT_8x8_LOAD_TOPLEFT;
    SRC(0,7)= (l6 + l7 + 1) >> 1;
    SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
    SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
    SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
    SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
    SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
    SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
    SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
    SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
    SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
    SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
    SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
    SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
    SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
    SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
    SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
    SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
    SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
    SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
    SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
    SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
    SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
}
static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_TOP;
    PREDICT_8x8_LOAD_TOPRIGHT;
    SRC(0,0)= (t0 + t1 + 1) >> 1;
    SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
    SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
    SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
    SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
    SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
    SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
    SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
    SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
    SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
    SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
    SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
    SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
    SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
    SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
    SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
    SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
    SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
    SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
    SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
    SRC(7,6)= (t10 + t11 + 1) >> 1;
    SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
}
static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
    PREDICT_8x8_LOAD_LEFT;
    SRC(0,0)= (l0 + l1 + 1) >> 1;
    SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
    SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
    SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
    SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
    SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
    SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
    SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
    SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
    SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
    SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
    SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
    SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
    SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
    SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
    SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
    SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
    SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
}
#undef PREDICT_8x8_LOAD_LEFT
#undef PREDICT_8x8_LOAD_TOP
#undef PREDICT_8x8_LOAD_TOPLEFT
#undef PREDICT_8x8_LOAD_TOPRIGHT
#undef PREDICT_8x8_DC
#undef PTR
#undef PT
#undef PL
#undef SRC

static void pred4x4_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
    int i;
    pix -= stride;
    for(i=0; i<4; i++){
        uint8_t v = pix[0];
        pix[1*stride]= v += block[0];
        pix[2*stride]= v += block[4];
        pix[3*stride]= v += block[8];
        pix[4*stride]= v += block[12];
        pix++;
        block++;
    }
}

static void pred4x4_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<4; i++){
        uint8_t v = pix[-1];
        pix[0]= v += block[0];
        pix[1]= v += block[1];
        pix[2]= v += block[2];
        pix[3]= v += block[3];
        pix+= stride;
        block+= 4;
    }
}

static void pred8x8l_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
    int i;
    pix -= stride;
    for(i=0; i<8; i++){
        uint8_t v = pix[0];
        pix[1*stride]= v += block[0];
        pix[2*stride]= v += block[8];
        pix[3*stride]= v += block[16];
        pix[4*stride]= v += block[24];
        pix[5*stride]= v += block[32];
        pix[6*stride]= v += block[40];
        pix[7*stride]= v += block[48];
        pix[8*stride]= v += block[56];
        pix++;
        block++;
    }
}

static void pred8x8l_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<8; i++){
        uint8_t v = pix[-1];
        pix[0]= v += block[0];
        pix[1]= v += block[1];
        pix[2]= v += block[2];
        pix[3]= v += block[3];
        pix[4]= v += block[4];
        pix[5]= v += block[5];
        pix[6]= v += block[6];
        pix[7]= v += block[7];
        pix+= stride;
        block+= 8;
    }
}

static void pred16x16_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<16; i++)
        pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
}

static void pred16x16_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<16; i++)
        pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
}

static void pred8x8_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<4; i++)
        pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
}

static void pred8x8_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
    int i;
    for(i=0; i<4; i++)
        pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
}


/**
 * Sets the intra prediction function pointers.
 */
void ff_h264_pred_init(H264PredContext *h, int codec_id){
//    MpegEncContext * const s = &h->s;

    if(codec_id != CODEC_ID_RV40){
        h->pred4x4[VERT_PRED           ]= pred4x4_vertical_c;
        h->pred4x4[HOR_PRED            ]= pred4x4_horizontal_c;
        h->pred4x4[DC_PRED             ]= pred4x4_dc_c;
        if(codec_id == CODEC_ID_SVQ3)
            h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_svq3_c;
        else
            h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
        h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
        h->pred4x4[VERT_RIGHT_PRED     ]= pred4x4_vertical_right_c;
        h->pred4x4[HOR_DOWN_PRED       ]= pred4x4_horizontal_down_c;
        h->pred4x4[VERT_LEFT_PRED      ]= pred4x4_vertical_left_c;
        h->pred4x4[HOR_UP_PRED         ]= pred4x4_horizontal_up_c;
        h->pred4x4[LEFT_DC_PRED        ]= pred4x4_left_dc_c;
        h->pred4x4[TOP_DC_PRED         ]= pred4x4_top_dc_c;
        h->pred4x4[DC_128_PRED         ]= pred4x4_128_dc_c;
    }else{
        h->pred4x4[VERT_PRED           ]= pred4x4_vertical_c;
        h->pred4x4[HOR_PRED            ]= pred4x4_horizontal_c;
        h->pred4x4[DC_PRED             ]= pred4x4_dc_c;
        h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_rv40_c;
        h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
        h->pred4x4[VERT_RIGHT_PRED     ]= pred4x4_vertical_right_c;
        h->pred4x4[HOR_DOWN_PRED       ]= pred4x4_horizontal_down_c;
        h->pred4x4[VERT_LEFT_PRED      ]= pred4x4_vertical_left_rv40_c;
        h->pred4x4[HOR_UP_PRED         ]= pred4x4_horizontal_up_rv40_c;
        h->pred4x4[LEFT_DC_PRED        ]= pred4x4_left_dc_c;
        h->pred4x4[TOP_DC_PRED         ]= pred4x4_top_dc_c;
        h->pred4x4[DC_128_PRED         ]= pred4x4_128_dc_c;
        h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= pred4x4_down_left_rv40_nodown_c;
        h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= pred4x4_horizontal_up_rv40_nodown_c;
        h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= pred4x4_vertical_left_rv40_nodown_c;
    }

    h->pred8x8l[VERT_PRED           ]= pred8x8l_vertical_c;
    h->pred8x8l[HOR_PRED            ]= pred8x8l_horizontal_c;
    h->pred8x8l[DC_PRED             ]= pred8x8l_dc_c;
    h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
    h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
    h->pred8x8l[VERT_RIGHT_PRED     ]= pred8x8l_vertical_right_c;
    h->pred8x8l[HOR_DOWN_PRED       ]= pred8x8l_horizontal_down_c;
    h->pred8x8l[VERT_LEFT_PRED      ]= pred8x8l_vertical_left_c;
    h->pred8x8l[HOR_UP_PRED         ]= pred8x8l_horizontal_up_c;
    h->pred8x8l[LEFT_DC_PRED        ]= pred8x8l_left_dc_c;
    h->pred8x8l[TOP_DC_PRED         ]= pred8x8l_top_dc_c;
    h->pred8x8l[DC_128_PRED         ]= pred8x8l_128_dc_c;

    h->pred8x8[VERT_PRED8x8   ]= pred8x8_vertical_c;
    h->pred8x8[HOR_PRED8x8    ]= pred8x8_horizontal_c;
    h->pred8x8[PLANE_PRED8x8  ]= pred8x8_plane_c;
    if(codec_id != CODEC_ID_RV40){
        h->pred8x8[DC_PRED8x8     ]= pred8x8_dc_c;
        h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
        h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
        h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= pred8x8_mad_cow_dc_l0t;
        h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= pred8x8_mad_cow_dc_0lt;
        h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= pred8x8_mad_cow_dc_l00;
        h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= pred8x8_mad_cow_dc_0l0;
    }else{
        h->pred8x8[DC_PRED8x8     ]= pred8x8_dc_rv40_c;
        h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_rv40_c;
        h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_rv40_c;
    }
    h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;

    h->pred16x16[DC_PRED8x8     ]= pred16x16_dc_c;
    h->pred16x16[VERT_PRED8x8   ]= pred16x16_vertical_c;
    h->pred16x16[HOR_PRED8x8    ]= pred16x16_horizontal_c;
    h->pred16x16[PLANE_PRED8x8  ]= pred16x16_plane_c;
    switch(codec_id){
    case CODEC_ID_SVQ3:
       h->pred16x16[PLANE_PRED8x8  ]= pred16x16_plane_svq3_c;
       break;
    case CODEC_ID_RV40:
       h->pred16x16[PLANE_PRED8x8  ]= pred16x16_plane_rv40_c;
       break;
    default:
       h->pred16x16[PLANE_PRED8x8  ]= pred16x16_plane_c;
    }
    h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
    h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
    h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;

    //special lossless h/v prediction for h264
    h->pred4x4_add  [VERT_PRED   ]= pred4x4_vertical_add_c;
    h->pred4x4_add  [ HOR_PRED   ]= pred4x4_horizontal_add_c;
    h->pred8x8l_add [VERT_PRED   ]= pred8x8l_vertical_add_c;
    h->pred8x8l_add [ HOR_PRED   ]= pred8x8l_horizontal_add_c;
    h->pred8x8_add  [VERT_PRED8x8]= pred8x8_vertical_add_c;
    h->pred8x8_add  [ HOR_PRED8x8]= pred8x8_horizontal_add_c;
    h->pred16x16_add[VERT_PRED8x8]= pred16x16_vertical_add_c;
    h->pred16x16_add[ HOR_PRED8x8]= pred16x16_horizontal_add_c;
}