ref: 7cf383d17f41d570deb4d5d2c9153b080483fcc2
dir: /usage_cx.dox/
/*! \page usage_encode Encode The vpx_codec_encode() function is at the core of the encode 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 */