MediaCapabilitySelectedOptionUpdate

{
    "bitRate": "2048kbit/s",
    "mediaCrypto": "自动加密",
    "frameRate": "自动",
    "videoResolution": "自动",
    "videoCodecs": "自动",
    "audioCodecs": "自动",
    "auxiliaryStreamBandwidthWeight": "50%",
    "enableVideoNack": true,
    "minVideoDelayMs": 50,
    "maxVideoFecRate": 300,
    "videoDenoiseMode": "{value: 0}",
    "enableAudioNack": true,
    "minAudioDelayMs": 80,
    "maxAudioFecRate": 900,
    "audioDenoiseMode": "{value: 0}"
}