title: difference between mediacodec PARAMETER_KEY_VIDEO_BITRATE and KEY_BIT_RATE
body: <p>I am trying to encode using MediaCodec in surface-input mode and to set the required bitrate, but I dont understand if I should use PARAMETER_KEY_VIDEO_BITRATE in mediacodec or KEY_BIT_RATE in the MediaFormat. What is the usage of each parameter ?</p>