libavcodec/mpegvideo_enc.c:948: error: Uninitialized Value
  The value read from pts was never initialized.

libavcodec/mpegvideo_enc.c:948:9: 
946. 
947.         pic->f.display_picture_number = display_picture_number;
948.         pic->f.pts = pts; // we set this here to avoid modifiying pic_arg
             ^
949.     }
950. 
