C++ (Cpp) write16x4示例

示例#1

static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {

    register vector unsigned char line0, line1, line2, line3, line4, line5;
    if((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0)
        return;
    readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
    h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
    transpose4x16(line1, line2, line3, line4);
    write16x4(pix-2, stride, line1, line2, line3, line4);
}

示例#2

文件： deblock.c 项目： Hero2000/CainCamera

void x264_deblock_h_luma_altivec( uint8_t *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 )
{

    register vec_u8_t line0, line1, line2, line3, line4, line5;
    if( (tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0 )
        return;
    read_and_transpose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
    h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
    transpose4x16(line1, line2, line3, line4);
    write16x4(pix-2, stride, line1, line2, line3, line4);
}