1.0.4.2

• CENC encrypted tracks will start with random IV instead of 0x0 0 0 0 0 0 0 0
• If CENC encrypted track are unencrypted by default (encryption only signaled by sample group) iv size field now set correctly to 0
• reduce number of array allocations and ByteBuffer.get operation to speed up writing of encrypted tracks

This version is available at Maven Central.