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📄 dsputil.c

📁 This the source release kit for the following system configuration(s): - AMD Alchemy(TM) DBAu1200(
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        src+= stride;
    }
  #endif
}

STATIC_FUNC void avg_h264_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y)
{
  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;
  
  assert(x<8 && y<8 && x>=0 && y>=0);
  
  for(i=0; i<h; i++)
  {
    dst[0] = (dst[0] + (((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1])+32)>>6) + 1)>>1;
    dst[1] = (dst[1] + (((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2])+32)>>6) + 1)>>1;
    dst[2] = (dst[2] + (((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3])+32)>>6) + 1)>>1;
    dst[3] = (dst[3] + (((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4])+32)>>6) + 1)>>1;
    dst[4] = (dst[4] + (((A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5])+32)>>6) + 1)>>1;
    dst[5] = (dst[5] + (((A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6])+32)>>6) + 1)>>1;
    dst[6] = (dst[6] + (((A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7])+32)>>6) + 1)>>1;
    dst[7] = (dst[7] + (((A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8])+32)>>6) + 1)>>1;
    dst+= stride;
    src+= stride;
  }
}
#endif /* ] */
#endif /* ] */

STATIC_FUNC void put_no_rnd_h264_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){
    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;

    assert(x<8 && y<8 && x>=0 && y>=0);

    for(i=0; i<h; i++)
    {
        dst[0] = (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6;
        dst[1] = (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6;
        dst[2] = (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6;
        dst[3] = (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6;
        dst[4] = (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + 32 - 4) >> 6;
        dst[5] = (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + 32 - 4) >> 6;
        dst[6] = (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + 32 - 4) >> 6;
        dst[7] = (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + 32 - 4) >> 6;
        dst+= stride;
        src+= stride;
    }
}

STATIC_FUNC inline void copy_block2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
{
    int i;
    for(i=0; i<h; i++)
    {
        ST16(dst   , LD16(src   ));
        dst+=dstStride;
        src+=srcStride;
    }
}

STATIC_FUNC inline void copy_block4(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
{
    int i;
    for(i=0; i<h; i++)
    {
        ST32(dst   , LD32(src   ));
        dst+=dstStride;
        src+=srcStride;
    }
}

STATIC_FUNC inline void copy_block8(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
{
    int i;
    for(i=0; i<h; i++)
    {
        ST32(dst   , LD32(src   ));
        ST32(dst+4 , LD32(src+4 ));
        dst+=dstStride;
        src+=srcStride;
    }
}

STATIC_FUNC inline void copy_block16(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
{
    int i;
    for(i=0; i<h; i++)
    {
        ST32(dst   , LD32(src   ));
        ST32(dst+4 , LD32(src+4 ));
        ST32(dst+8 , LD32(src+8 ));
        ST32(dst+12, LD32(src+12));
        dst+=dstStride;
        src+=srcStride;
    }
}

STATIC_FUNC void put_h264_qpel2_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride)
{
    const int h=2;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    for(i=0; i<h; i++)
    {
        const int srcB= src[-2];
        const int srcA= src[-1];
        const int src0= src[0 ];
        const int src1= src[1];
        const int src2= src[2 ];
        const int src3= src[3 ];
        const int src4= src[4 ];
        dst[0] = cm[(((src0+src1)*20 - (srcA+src2)*5 + (srcB+src3))+16)>>5];
        dst[1] = cm[(((src1+src2)*20 - (src0+src3)*5 + (srcA+src4))+16)>>5];
        dst+=dstStride;
        src+=srcStride;
    }
}

STATIC_FUNC void put_h264_qpel2_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride)
{
    const int w=2;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    for(i=0; i<w; i++)
    {
        const int srcB= src[-2*srcStride];
        const int srcA= src[-1*srcStride];
        const int src0= src[0 *srcStride];
        const int src1= src[1 *srcStride];
        const int src2= src[2 *srcStride];
        const int src3= src[3 *srcStride];
        const int src4= src[4 *srcStride];
        dst[0*dstStride] = cm[(((src0+src1)*20 - (srcA+src2)*5 + (srcB+src3))+16)>>5];
        dst[1*dstStride] = cm[(((src1+src2)*20 - (src0+src3)*5 + (srcA+src4))+16)>>5];
        dst++;
        src++;
    }
}

STATIC_FUNC void put_h264_qpel2_hv_lowpass(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride)
{
    const int h=2;
    const int w=2;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    src -= 2*srcStride;
    for(i=0; i<h+5; i++)
    {
        const int srcB= src[-2];
        const int srcA= src[-1];
        const int src0= src[0 ];
        const int src1= src[1 ];
        const int src2= src[2];
        const int src3= src[3];
        const int src4= src[4];
        tmp[0]= (src0+src1)*20 - (srcA+src2)*5 + (srcB+src3);
        tmp[1]= (src1+src2)*20 - (src0+src3)*5 + (srcA+src4);
        tmp+=tmpStride;
        src+=srcStride;
    }
    tmp -= tmpStride*(h+5-2);
    for(i=0; i<w; i++)
    {
        const int tmpB= tmp[-2*tmpStride];
        const int tmpA= tmp[-1*tmpStride];
        const int tmp0= tmp[0 *tmpStride];
        const int tmp1= tmp[1 *tmpStride];
        const int tmp2= tmp[2 *tmpStride];
        const int tmp3= tmp[3 *tmpStride];
        const int tmp4= tmp[4 *tmpStride];
        dst[0*dstStride] = cm[(((tmp0+tmp1)*20 - (tmpA+tmp2)*5 + (tmpB+tmp3))+512)>>10];
        dst[1*dstStride] = cm[(((tmp1+tmp2)*20 - (tmp0+tmp3)*5 + (tmpA+tmp4))+512)>>10];
        dst++;
        tmp++;
    }
}

STATIC_FUNC void put_h264_qpel4_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride)
{
    const int h=4;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    for(i=0; i<h; i++)
    {
        const int srcB= src[-2];
        const int srcA= src[-1];
        const int src0= src[0 ];
        const int src1= src[1 ];
        const int src2= src[2 ];
        const int src3= src[3 ];
        const int src4= src[4 ];
        const int src5= src[5 ];
        const int src6= src[6 ];
        dst[0] = cm[(((src0+src1)*20 - (srcA+src2)*5 + (srcB+src3))+16)>>5];
        dst[1] = cm[(((src1+src2)*20 - (src0+src3)*5 + (srcA+src4))+16)>>5];
        dst[2] = cm[(((src2+src3)*20 - (src1+src4)*5 + (src0+src5))+16)>>5];
        dst[3] = cm[(((src3+src4)*20 - (src2+src5)*5 + (src1+src6))+16)>>5];
        dst+=dstStride;
        src+=srcStride;
    }
}

#ifdef USE_ASM_VERSION /* [ */
//use ASM functions in asm_dsputil.s

extern void put_h264_qpel4_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride);
extern void put_h264_qpel4_hv_lowpass(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride);
extern void put_h264_qpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride);
extern void put_h264_qpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride);
extern void put_h264_qpel8_hv_lowpass(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride);

#else /* ] [ */


STATIC_FUNC void put_h264_qpel4_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride)
{
    const int w=4;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    for(i=0; i<w; i++)
    {
        const int srcB= src[-2*srcStride];
        const int srcA= src[-1*srcStride];
        const int src0= src[0 *srcStride];
        const int src1= src[1 *srcStride];
        const int src2= src[2 *srcStride];
        const int src3= src[3 *srcStride];
        const int src4= src[4 *srcStride];
        const int src5= src[5 *srcStride];
        const int src6= src[6 *srcStride];
        dst[0*dstStride] = cm[(((src0+src1)*20 - (srcA+src2)*5 + (srcB+src3))+16)>>5];
        dst[1*dstStride] = cm[(((src1+src2)*20 - (src0+src3)*5 + (srcA+src4))+16)>>5];
        dst[2*dstStride] = cm[(((src2+src3)*20 - (src1+src4)*5 + (src0+src5))+16)>>5];
        dst[3*dstStride] = cm[(((src3+src4)*20 - (src2+src5)*5 + (src1+src6))+16)>>5];
        dst++;
        src++;
    }
}

STATIC_FUNC void put_h264_qpel4_hv_lowpass(uint8_t *dst, int16_t *tmp, uint8_t *src, int dstStride, int tmpStride, int srcStride)
{
    const int h=4;
    const int w=4;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    src -= 2*srcStride;
    for(i=0; i<h+5; i++)
    {
        const int srcB= src[-2];
        const int srcA= src[-1];
        const int src0= src[0 ];
        const int src1= src[1 ];
        const int src2= src[2 ];
        const int src3= src[3 ];
        const int src4= src[4 ];
        const int src5= src[5 ];
        const int src6= src[6 ];
        tmp[0]= (src0+src1)*20 - (srcA+src2)*5 + (srcB+src3);
        tmp[1]= (src1+src2)*20 - (src0+src3)*5 + (srcA+src4);
        tmp[2]= (src2+src3)*20 - (src1+src4)*5 + (src0+src5);
        tmp[3]= (src3+src4)*20 - (src2+src5)*5 + (src1+src6);
        tmp+=tmpStride;
        src+=srcStride;
    }
    tmp -= tmpStride*(h+5-2);
    for(i=0; i<w; i++)
    {
        const int tmpB= tmp[-2*tmpStride];
        const int tmpA= tmp[-1*tmpStride];
        const int tmp0= tmp[0 *tmpStride];
        const int tmp1= tmp[1 *tmpStride];
        const int tmp2= tmp[2 *tmpStride];
        const int tmp3= tmp[3 *tmpStride];
        const int tmp4= tmp[4 *tmpStride];
        const int tmp5= tmp[5 *tmpStride];
        const int tmp6= tmp[6 *tmpStride];
        dst[0*dstStride] = cm[(((tmp0+tmp1)*20 - (tmpA+tmp2)*5 + (tmpB+tmp3))+512)>>10];
        dst[1*dstStride] = cm[(((tmp1+tmp2)*20 - (tmp0+tmp3)*5 + (tmpA+tmp4))+512)>>10];
        dst[2*dstStride] = cm[(((tmp2+tmp3)*20 - (tmp1+tmp4)*5 + (tmp0+tmp5))+512)>>10];
        dst[3*dstStride] = cm[(((tmp3+tmp4)*20 - (tmp2+tmp5)*5 + (tmp1+tmp6))+512)>>10];
        dst++;
        tmp++;
    }
}

STATIC_FUNC void put_h264_qpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride)
{
    const int h=8;
    uint8_t *cm = cropTbl + MAX_NEG_CROP;
    int i;
    for (i=0; i<h; i++)
    {
        const srcB= src[-2];
        const srcA= src[-1];
        const src0= src[0 ];
        const src1= src[1 ];
        const src2= src[2 ];
        const src3= src[3];
        const src4= src[4 ];
        const src5= src[5 ];
        const src6= src[6 ];
        const src7= src[7 ];
        const src8= src[8 ];
        const src9= src[9 ];
        const src10=src[10];

        dst[0] = cm[(((src0+src1)*20 - (srcA+src2)*5 + (srcB+src3))+16)>>5];
        dst[1] = cm[(((src1+src2)*20 - (src0+src3)*5 + (srcA+src4))+16)>>5];
        dst[2] = cm[(((src2+src3)*20 - (src1+src4)*5 + (src0+src5))+16)>>5];
        dst[3] = cm[(((src3+src4)*20 - (src2+src5)*5 + (src1+src6))+16)>>5];
        dst[4] = cm[(((src4+src5)*20 - (src3+src6)*5 + (src2+src7))+16)>>5];
        dst[5] = cm[(((src5+src6)*20 - (src4+src7)*5 + (src3+src8))+16)>>5];
        dst[6] = cm[(((src6+src7)*20 - (src5+src8)*5 + (src4+src9))+16)>>5];
        dst[7] = cm[(((src7+src8)*20 - (src6+src9)*5 + (src5+src10))+16)>>5];
        dst+=dstStride;
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