<DrawPage name="AV摄像说明" bk_transparent="0" bk_color="0;0;255" bk_image="Images\帮助\帮助单页.jpg" size_option="0" width="1024" height="768"><item name="Text2" id="1" type="text" multi_lang="1" text_align="0" text_align_v="0" text="1.如何开启AV输入功能：
用户根据需要在LUA 初始化代码on_init()回调函数中加入:" text1="" text2="" text3="" text4="" text5="" text6="" text7="" text8="" text9="" text10="" text11="" text12="" text13="" text14="" text15="" font="8" encode="1" show_bk="0" fore_color="0;0;0" bk_color="255;255;255" xOffset="40" yOffset="120" width="944" height="66" row_gap="0" col_gap="0"/><item name="Button8" id="100" type="button" button_type="0" focus="0" notify_disable="0" key_code="a" key_type="0" init_state="0" button_style="0" longpress_delay="0" url_down="" url_up="" popup_menu_id="0" input_text_id="0" switch="AV输入" switch_effect="2" switch_area="0" switch_area_left="0" switch_area_right="0" switch_area_top="0" switch_area_bottom="0" action="" xOffset="0" yOffset="0" width="135" height="76" cut_up="0" cut_up_offset_x="0" cut_up_offset_y="0" cut_down="0" cut_down_offset_x="0" cut_down_offset_y="0" custom_data_up="" custom_data_down="" external_data_up="" external_data_down="" external_data_delay="100" child_screen="0" need_login="0" login_password="888888" show_text_state="0" font="7" font_color_up="255;255;255" font_color_down="255;255;255" text_state_up="" text_state_down="" bind_variant="" show_condition="0" condition_variant="" condition_value="0"/><item name="Text1" id="2" type="text" multi_lang="1" text_align="0" text_align_v="0" text="set_av_option(rotate,format);

set_av_option(rotate,format)参数说明
rotate(0~3): 0~3 表示摄像头画面旋转角度：
    0: 不旋转;  1: 顺时针旋转90°;  2: 顺时针旋转180°;  3: 顺时针旋转270°;
format(0~3): 0~3对应下列参数：
    0: N制式的CVBS信号;
    1: P制式的CVBS信号;
    2: 25帧率的 720P AHD信号;
    3: 30帧率的 720P AHD信号;" text1="" text2="" text3="" text4="" text5="" text6="" text7="" text8="" text9="" text10="" text11="" text12="" text13="" text14="" text15="" font="8" encode="1" show_bk="0" fore_color="0;0;128" bk_color="255;255;255" xOffset="60" yOffset="170" width="924" height="270" row_gap="0" col_gap="0"/></DrawPage>
