ref: 8cfb70c3d4a05b5dfe495cba30b988a1d4ebf1c3
dir: /usage_cx.dox/
/*! \page usage_encode Encode The vpx_codec_encode() function is at the core of the decode loop. It processes raw images passed by the application, producing packets of compressed data. The <code>deadline</code> parameter controls the amount of time in microseconds the encoder should spend working on the frame. For more information on the <code>deadline</code> parameter, see \ref usage_deadline. \ref samples */