libswscale/yuv2rgb.c:277: error: Uninitialized Value
  The value read from pa_1 was never initialized.

libswscale/yuv2rgb.c:277:5: 
275.     PUTRGBA(dst_2, py_2, pa_1, 3, 24);
276.     PUTRGBA(dst_1, py_1, pa_2, 3, 24);
277.     pa_1 += 8;
         ^
278.     pa_2 += 8;
279. ENDYUV2RGBLINE(8, 0)
