视频流:
编码:{{node_status['format']['video_codec']}}
宽:{{node_status['format']['width']}}
高:{{node_status['format']['height']}}
帧率:{{node_status['format']['framerate']}}
音频流:
编码:{{node_status['format']['audio_codec']}}
采样率:{{node_status['format']['sample_rate']}}
声道:{{node_status['format']['channel_num']}}