What is "p" in the Encoding demo function?

[sp42]

p cannot be resolved

writeParam.setCompressionType(p.getCompressionTypes()[WebPWriteParam.LOSSLESS_COMPRESSION]);

[MartinPape]

it should be:
writeParam.setCompressionType(writeParam.getCompressionTypes()[WebPWriteParam.LOSSLESS_COMPRESSION]);