EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Modules / yuvconvert.c

\r
#include "yuv.h"\r
\r
void\r
yuv_sv411_to_cl422dc(int invert, void *data, void *yuv, int width, int height)\r
{\r
    struct yuv411 *in = data;\r
    struct yuv422 *out_even = yuv;\r
    struct yuv422 *out_odd = out_even + width / 2;\r
    int i, j;                   /* counters */\r
\r
    for (i = height / 2; i--; ) {\r
        for (j = width / 4; j--; ) {\r
            YUV422_Y0(*out_even) = YUV411_Y00(*in);\r
            YUV422_U0(*out_even) = YUV411_U00(*in);\r
            YUV422_V0(*out_even) = YUV411_V00(*in);\r
            YUV422_Y1(*out_even) = YUV411_Y01(*in);\r
            out_even++;\r
            YUV422_Y0(*out_even) = YUV411_Y02(*in);\r
            YUV422_U0(*out_even) = YUV411_U02(*in);\r
            YUV422_V0(*out_even) = YUV411_V02(*in);\r
            YUV422_Y1(*out_even) = YUV411_Y03(*in);\r
            out_even++;\r
            YUV422_Y0(*out_odd) = YUV411_Y10(*in);\r
            YUV422_U0(*out_odd) = YUV411_U10(*in);\r
            YUV422_V0(*out_odd) = YUV411_V10(*in);\r
            YUV422_Y1(*out_odd) = YUV411_Y11(*in);\r
            out_odd++;\r
            YUV422_Y0(*out_odd) = YUV411_Y12(*in);\r
            YUV422_U0(*out_odd) = YUV411_U12(*in);\r
            YUV422_V0(*out_odd) = YUV411_V12(*in);\r
            YUV422_Y1(*out_odd) = YUV411_Y13(*in);\r
            out_odd++;\r
            in++;\r
        }\r
        out_even += width / 2;\r
        out_odd += width / 2;\r
    }\r
}\r
\r
void\r
yuv_sv411_to_cl422dc_quartersize(int invert, void *data, void *yuv,\r
                                 int width, int height)\r
{\r
    int w4 = width / 4;         /* quarter of width is used often */\r
    struct yuv411 *in_even = data;\r
    struct yuv411 *in_odd = in_even + w4;\r
    struct yuv422 *out_even = yuv;\r
    struct yuv422 *out_odd = out_even + w4;\r
    int i, j;                   /* counters */\r
    int u, v;                   /* U and V values */\r
\r
    for (i = height / 4; i--; ) {\r
        for (j = w4; j--; ) {\r
            u = YUV411_U00(*in_even);\r
            v = YUV411_V00(*in_even);\r
\r
            YUV422_Y0(*out_even) = YUV411_Y00(*in_even);\r
            YUV422_U0(*out_even) = u;\r
            YUV422_V0(*out_even) = v;\r
            YUV422_Y1(*out_even) = YUV411_Y02(*in_even);\r
\r
            YUV422_Y0(*out_odd) = YUV411_Y10(*in_odd);\r
            YUV422_U0(*out_odd) = u;\r
            YUV422_V0(*out_odd) = v;\r
            YUV422_Y1(*out_odd) = YUV411_Y12(*in_odd);\r
\r
            in_even++;\r
            in_odd++;\r
            out_even++;\r
            out_odd++;\r
        }\r
        in_even += w4;\r
        in_odd += w4;\r
        out_even += w4;\r
        out_odd += w4;\r
    }\r
}\r
\r
void\r
yuv_sv411_to_cl422dc_sixteenthsize(int invert, void *data, void *yuv,\r
                                   int width, int height)\r
{\r
    int w4_3 = 3 * width / 4; /* three quarters of width is used often */\r
    int w8 = width / 8;         /* and so is one eighth */\r
    struct yuv411 *in_even = data;\r
    struct yuv411 *in_odd = in_even + width / 2;\r
    struct yuv422 *out_even = yuv;\r
    struct yuv422 *out_odd = out_even + w8;\r
    int i, j;                   /* counters */\r
    int u, v;                   /* U and V values */\r
\r
    for (i = height / 8; i--; ) {\r
        for (j = w8; j--; ) {\r
            u = YUV411_U00(in_even[0]);\r
            v = YUV411_V00(in_even[0]);\r
\r
            YUV422_Y0(*out_even) = YUV411_Y00(in_even[0]);\r
            YUV422_U0(*out_even) = u;\r
            YUV422_V0(*out_even) = v;\r
            YUV422_Y1(*out_even) = YUV411_Y00(in_even[1]);\r
\r
            YUV422_Y0(*out_odd) = YUV411_Y00(in_odd[0]);\r
            YUV422_U0(*out_odd) = u;\r
            YUV422_V0(*out_odd) = v;\r
            YUV422_Y1(*out_odd) = YUV411_Y00(in_even[1]);\r
\r
            in_even += 2;\r
            in_odd += 2;\r
            out_even++;\r
            out_odd++;\r
        }\r
        in_even += w4_3;\r
        in_odd += w4_3;\r
        out_even += w8;\r
        out_odd += w8;\r
    }\r
}\r