- fprintf(stderr, " --x264-vbv-bufsize x264 VBV size (in kilobits, 0 = one-frame VBV,\n");
- fprintf(stderr, " default: same as --x264-bitrate, that is, one-second VBV)\n");
- fprintf(stderr, " --x264-vbv-max-bitrate x264 local max bitrate (in kilobit/sec per --vbv-bufsize,\n");
- fprintf(stderr, " 0 = no limit, default: same as --x264-bitrate, i.e., CBR)\n");