Function decode_row

libavcodec/v210dec.c:55–105

}

static void decode_row(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, const int width,
                       void (*unpack_frame)(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width))
{
    uint32_t val;
    int w = (FFMAX(0, width - 12) / 12) * 12;

    unpack_frame(src, y, u, v, w);

    y += w;
    u += w >> 1;
    v += w >> 1;
    src += (w << 1) / 3;

    while (w < width - 5) {
        READ_PIXELS(u, y, v);
        READ_PIXELS(y, u, y);
        READ_PIXELS(v, y, u);
        READ_PIXELS(y, v, y);
        w += 6;
    }

    if (w++ < width) {
        READ_PIXELS(u, y, v);

        if (w++ < width) {
            val  = av_le2ne32(*src++);
            *y++ =  val & 0x3FF;

            if (w++ < width) {
                *u++ = (val >> 10) & 0x3FF;
                *y++ = (val >> 20) & 0x3FF;
                val  = av_le2ne32(*src++);
                *v++ =  val & 0x3FF;

                if (w++ < width) {
                    *y++ = (val >> 10) & 0x3FF;

                    if (w++ < width) {
                        *u++ = (val >> 20) & 0x3FF;
                        val  = av_le2ne32(*src++);
                        *y++ =  val & 0x3FF;
                        *v++ = (val >> 10) & 0x3FF;

                        if (w++ < width)
                            *y++ = (val >> 20) & 0x3FF;
                    }
                }
            }
        }
    }
}

static int v210_decode_slice(AVCodecContext *avctx, void *arg, int jobnr, int threadnr)
{