Bound a free format bitrate to 640 kbit/s, and compare bitrates without overflow
Document the room hip_decode() needs, and the call for a fixed buffer
Convert tag text from the character set it arrives in
Finish the output of an input that is shorter than its LAME tag says
Build the output file name within the size of its buffer
Check that the LAME tag is as long as the room reserved for it
Move the encoder's input window instead of the samples
Read input files through a 64 KiB buffer