av_bprint_is_allocated   49 libavutil/bprint.c     old_str = av_bprint_is_allocated(buf) ? buf->str : NULL;
av_bprint_is_allocated  242 libavutil/bprint.c         if (av_bprint_is_allocated(buf)) {
av_bprint_is_allocated  256 libavutil/bprint.c         if (av_bprint_is_allocated(buf))