utf8len 2291 libavformat/movenc.c if (t && utf8len(t->value) && track->mode != MODE_MP4) utf8len 2748 libavformat/movenc.c if (t && utf8len(t->value)) utf8len 3201 libavformat/movenc.c if (!t || !utf8len(t->value)) utf8len 3812 libavformat/movenc.c if (!t || !utf8len(t->value)) utf8len 3916 libavformat/movenc.c int len = utf8len(str) + 1;