system_viewmode="0"
audio_type="AAC4"
audio_aacbitrate="128000"
audio_amrbitrate="12200"
audio_transfermode="3"
video_text="DCS-5220"
video_codectype="0"
video_keyinterval="60"
video_size="256"
video_resolution="640x480"
video_color="1"
video_quality="1"
video_quant="3"
video_bitrate="512000"
video_mode="60"
video_whitebalance="0"
video_maxframe="30"
video_flip="0"
video_mirror="0"
video_imprinttimestamp="0"
