libswscale/yuv2rgb.c:211: error: Uninitialized Value
  The value read from pa_1 was never initialized.

libswscale/yuv2rgb.c:211:5: 
209.     PUTRGBA(dst_2,py_2,pa_2,3,1,0);
210.     PUTRGBA(dst_1,py_1,pa_1,3,0,0);
211.     pa_1 += 8;\
         ^
212.     pa_2 += 8;\
213. ENDYUV2RGBLINE(8)

YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
    LOADCHROMA(0);
    PUTRGBA(dst_1,py_1,pa_1,0,0,0);
    PUTRGBA(dst_2,py_2,pa_2,0,1,0);
    LOADCHROMA(1);
    PUTRGBA(dst_2,py_2,pa_2,1,1,0);
    PUTRGBA(dst_1,py_1,pa_1,1,0,0);
    LOADCHROMA(1);
    PUTRGBA(dst_2,py_2,pa_2,1,1,0);
    PUTRGBA(dst_1,py_1,pa_1,1,0,0);
    LOADCHROMA(2);
    PUTRGBA(dst_1,py_1,pa_1,2,0,0);
    PUTRGBA(dst_2,py_2,pa_2,2,1,0);
    LOADCHROMA(3);
    PUTRGBA(dst_2,py_2,pa_2,3,1,0);
    PUTRGBA(dst_1,py_1,pa_1,3,0,0);
    pa_1 += 8;\
    pa_2 += 8;\
ENDYUV2RGBLINE(8)
    LOADCHROMA(0);
    PUTRGBA(dst_1,py_1,pa_1,0,0,0);
    PUTRGBA(dst_2,py_2,pa_2,0,1,0);
    LOADCHROMA(1);
    PUTRGBA(dst_2,py_2,pa_2,1,1,0);
    PUTRGBA(dst_1,py_1,pa_1,1,0,0);
ENDYUV2RGBFUNC()
['YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)\n    LOADCHROMA(0);\n    PUTRGBA(dst_1,py_1,pa_1,0,0,0);\n    PUTRGBA(dst_2,py_2,pa_2,0,1,0);\n    LOADCHROMA(1);\n    PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n    PUTRGBA(dst_1,py_1,pa_1,1,0,0);\n    LOADCHROMA(1);\n    PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n    PUTRGBA(dst_1,py_1,pa_1,1,0,0);\n    LOADCHROMA(2);\n    PUTRGBA(dst_1,py_1,pa_1,2,0,0);\n    PUTRGBA(dst_2,py_2,pa_2,2,1,0);\n    LOADCHROMA(3);\n    PUTRGBA(dst_2,py_2,pa_2,3,1,0);\n    PUTRGBA(dst_1,py_1,pa_1,3,0,0);\n    pa_1 += 8;\\\n    pa_2 += 8;\\\nENDYUV2RGBLINE(8)\n    LOADCHROMA(0);\n    PUTRGBA(dst_1,py_1,pa_1,0,0,0);\n    PUTRGBA(dst_2,py_2,pa_2,0,1,0);\n    LOADCHROMA(1);\n    PUTRGBA(dst_2,py_2,pa_2,1,1,0);\n    PUTRGBA(dst_1,py_1,pa_1,1,0,0);\nENDYUV2RGBFUNC()']