number of bits the bitstream is allowed to diverge from the reference. the reference can be CBR (for CBR pass1) or VBR (for pass2) - encoding: Set by user; unused for constant quantizer encoding. - decoding: unused
See Implementation
number of bits the bitstream is allowed to diverge from the reference. the reference can be CBR (for CBR pass1) or VBR (for pass2) - encoding: Set by user; unused for constant quantizer encoding. - decoding: unused