av_log_format_line  109 fftools/cmdutils.c     av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
av_log_format_line  312 fftools/ffprobe.c     av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
av_log_format_line  338 libavutil/log.h void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,