C++ (Cpp) vp8_get8x8var_mmx Beispiele

Beispiel #1

Datei: variance_mmx.c Projekt: flwh/Alcatel_OT_985_kernel

unsigned int vp8_get16x16var_mmx(
    const unsigned char *src_ptr,
    int  source_stride,
    const unsigned char *ref_ptr,
    int  recon_stride,
    unsigned *SSE,
    unsigned *SUM
)
{
    unsigned int sse0, sse1, sse2, sse3, var;
    int sum0, sum1, sum2, sum3, avg;


    vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
    vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
    vp8_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2) ;
    vp8_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);

    var = sse0 + sse1 + sse2 + sse3;
    avg = sum0 + sum1 + sum2 + sum3;

    *SSE = var;
    *SUM = avg;
    return (var - ((avg * avg) >> 8));

}

Beispiel #2

Datei: variance_mmx.c Projekt: 0x0B501E7E/webm.libvpx

unsigned int vp8_variance16x8_mmx(
    const unsigned char *src_ptr,
    int  source_stride,
    const unsigned char *ref_ptr,
    int  recon_stride,
    unsigned int *sse)
{
    unsigned int sse0, sse1, var;
    int sum0, sum1, avg;

    vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
    vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);

    var = sse0 + sse1;
    avg = sum0 + sum1;
    *sse = var;
    return (var - ((unsigned int)(avg * avg) >> 7));

}

Beispiel #3

Datei: variance_mmx.c Projekt: 0x0B501E7E/webm.libvpx

unsigned int vp8_mse16x16_mmx(
    const unsigned char *src_ptr,
    int  source_stride,
    const unsigned char *ref_ptr,
    int  recon_stride,
    unsigned int *sse)
{
    unsigned int sse0, sse1, sse2, sse3, var;
    int sum0, sum1, sum2, sum3;


    vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
    vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
    vp8_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2) ;
    vp8_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);

    var = sse0 + sse1 + sse2 + sse3;
    *sse = var;
    return var;
}

Beispiel #4

Datei: variance_mmx.c Projekt: flwh/Alcatel_OT_985_kernel

unsigned int vp8_i_variance16x16_mmx(
    const unsigned char *src_ptr,
    int  source_stride,
    const unsigned char *ref_ptr,
    int  recon_stride,
    unsigned int *sse)
{
    unsigned int sse0, sse1, sse2, sse3, var;
    int sum0, sum1, sum2, sum3, avg;


    vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0) ;
    vp8_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
    vp8_get8x8var_mmx(src_ptr + (source_stride >> 1), source_stride, ref_ptr + (recon_stride >> 1), recon_stride, &sse2, &sum2) ;
    vp8_get8x8var_mmx(src_ptr + (source_stride >> 1) + 8, source_stride, ref_ptr + (recon_stride >> 1) + 8, recon_stride, &sse3, &sum3);

    var = sse0 + sse1 + sse2 + sse3;
    avg = sum0 + sum1 + sum2 + sum3;
    *sse = var;
    return (var - ((avg * avg) >> 8));

}

Beispiel #5

Datei: variance_mmx.c Projekt: 0x0B501E7E/webm.libvpx

unsigned int vp8_variance8x8_mmx(
    const unsigned char *src_ptr,
    int  source_stride,
    const unsigned char *ref_ptr,
    int  recon_stride,
    unsigned int *sse)
{
    unsigned int var;
    int avg;

    vp8_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg) ;
    *sse = var;

    return (var - ((unsigned int)(avg * avg) >> 6));

}