av_vbprintf        49 libavcodec/srtenc.c     av_vbprintf(&s->buffer, str, vargs);
av_vbprintf        48 libavcodec/webvttenc.c     av_vbprintf(&s->buffer, str, vargs);
av_vbprintf       132 libavutil/bprint.h void av_vbprintf(AVBPrint *buf, const char *fmt, va_list vl_arg);
av_vbprintf       267 libavutil/log.c     av_vbprintf(part+3, fmt, vl);