wen/luban-lite-t3e-pro
1
0
Fork 0
mirror of https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git synced 2025-12-14 10:28:54 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
b4033d8696b77dddcafce4e00eaaf2a01ccc38fb
luban-lite-t3e-pro/doc/topics/sdk/display/display_interface.html
刘可亮 b4033d8696 add doc v1.1.2
2025-01-23 16:37:00 +08:00

359 lines
63 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.0">
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="AICFB 显示驱动接口分可为标准功能和扩展功能。 标准功能： 将物理显存映射到用户空间 获取显示屏的分辨率和获取 Framebuffer 的像素格式 支持单缓冲 Framebuffer 和双缓冲 Framebuffer 可配置 扩展功能： 获取图层个数 获取图层能力 获取图层配置数据 更新图层配置数据 支持同时更新多图层配置数据 支持图层 scaler 设置 支持 alpha blending ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-11-28"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="display_interface_design"/><meta name="DC.language" content="zh-CN"/><title>接口设计</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/display/display_interface.dita"/><meta name="wh-out-relpath" content="topics/sdk/display/display_interface.html"/>
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2023110923"/>
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2023110923"/>
<script src="../../../webhelp/app/options/properties.js?buildId=20250121171154"></script>
<script src="../../../webhelp/app/localization/strings.js?buildId=2023110923"></script>
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250121171154"></script>
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2023110923"></script>
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2023110923"></script>
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2023110923"/></head>
<body id="display_interface_design" class="wh_topic_page frmBody">
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
跳转到主要内容
</a>
<header class="navbar navbar-default wh_header">
<div class="container-fluid">
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
<div class="wh_logo_and_publication_title_container">
<div class="wh_logo_and_publication_title">
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt="RTOS SDK 使用指南SDK 指南文件"/></a>
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"><span class="ph mainbooktitle">RTOS SDK 使用指南</span><span class="ph booktitlealt">SDK 指南文件</span></span></a></div>
</div>
</div>
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
</div>
</div>
</div>
</header>
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
</div>
<div class="container-fluid" id="wh_topic_container">
<div class="row">
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
<div data-tooltip-position="bottom" class=" wh_breadcrumb "></div>
<div class="wh_right_tools">
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
</div>
</nav>
</div>
<div class="wh_content_area">
<div class="row">
<div class="col-lg-10 col-md-10 col-sm-10 col-xs-12" id="wh_topic_body">
<button id="wh_close_topic_toc_button" class="close-toc-button d-none" aria-label="Toggle topic table of content" aria-controls="wh_topic_toc" aria-expanded="true">
<span class="close-toc-icon-container">
<span class="close-toc-icon"></span>
</span>
</button>
<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_interface.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1><div class="date inPage">28 Nov 2024</div><div style="color: gray;">
Read time: 4 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d316378e22__20250121171821">AICFB 显示驱动接口分可为标准功能和扩展功能。<ul class="- topic/ul ul" id="display_interface_design__ul_f31_jbg_d1c" data-ofbid="display_interface_design__ul_f31_jbg_d1c"><li class="- topic/li li" data-ofbid="d316378e25__20250121171821">
<div class="- topic/p p" data-ofbid="d316378e27__20250121171821">标准功能：<ul class="- topic/ul ul" id="display_interface_design__ol_g31_jbg_d1c" data-ofbid="display_interface_design__ol_g31_jbg_d1c"><li class="- topic/li li" data-ofbid="d316378e30__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e32__20250121171821">将物理显存映射到用户空间</p>
</li><li class="- topic/li li" data-ofbid="d316378e35__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e37__20250121171821">获取显示屏的分辨率和获取 Framebuffer 的像素格式</p>
</li><li class="- topic/li li" data-ofbid="d316378e40__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e42__20250121171821">支持单缓冲 Framebuffer 和双缓冲 Framebuffer 可配置</p>
</li></ul></div>
</li><li class="- topic/li li" data-ofbid="d316378e46__20250121171821">
<div class="- topic/p p" data-ofbid="d316378e48__20250121171821">扩展功能：<ul class="- topic/ul ul" id="display_interface_design__ol_i31_jbg_d1c" data-ofbid="display_interface_design__ol_i31_jbg_d1c"><li class="- topic/li li" data-ofbid="d316378e51__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e53__20250121171821">获取图层个数</p>
</li><li class="- topic/li li" data-ofbid="d316378e56__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e58__20250121171821">获取图层能力</p>
</li><li class="- topic/li li" data-ofbid="d316378e61__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e63__20250121171821">获取图层配置数据</p>
</li><li class="- topic/li li" data-ofbid="d316378e66__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e68__20250121171821">更新图层配置数据</p>
</li><li class="- topic/li li" data-ofbid="d316378e71__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e73__20250121171821">支持同时更新多图层配置数据</p>
</li><li class="- topic/li li" data-ofbid="d316378e76__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e78__20250121171821">支持图层 scaler 设置</p>
</li><li class="- topic/li li" data-ofbid="d316378e81__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e83__20250121171821">支持 alpha blending 设置</p>
</li><li class="- topic/li li" data-ofbid="d316378e86__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e88__20250121171821">支持 color key</p>
</li><li class="- topic/li li" data-ofbid="d316378e91__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e93__20250121171821">获取显示屏大小</p>
</li><li class="- topic/li li" data-ofbid="d316378e96__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e98__20250121171821">绑定 DMA-BUF</p>
</li><li class="- topic/li li" data-ofbid="d316378e101__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e103__20250121171821">解绑 DMA-BUF</p>
</li><li class="- topic/li li" data-ofbid="d316378e107__20250121171821">
<p class="- topic/p p" data-ofbid="d316378e109__20250121171821">将 /dev/fb0 导出为 dmabuf fd</p>
</li></ul></div>
</li></ul></div><section class="- topic/section section" id="display_interface_design__section_mkv_pbg_d1c" data-ofbid="display_interface_design__section_mkv_pbg_d1c"><h2 class="- topic/title title sectiontitle">Framebuffer 标准接口</h2>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_interface_design__codeblock_ecc_5bg_d1c" data-ofbid="display_interface_design__codeblock_ecc_5bg_d1c"><strong class="hl-keyword">int</strong> (<strong class="hl-keyword">int</strong> fd, <strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">long</strong> cmd, CMD_DATA_TYPE *cmddata);</pre>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_j4m_mbg_d1c" data-ofbid="display_interface_design__table_j4m_mbg_d1c" data-cols="3"><caption></caption><colgroup><col style="width:16.891891891891888%"/><col style="width:64.3581081081081%"/><col style="width:18.75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_j4m_mbg_d1c__entry__1">参数</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_j4m_mbg_d1c__entry__2">描述</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_j4m_mbg_d1c__entry__3">输入/输出</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__1">Fd</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__2">打开 FB 设备后设备描述符</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__3">输入</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__1">cmd</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e147__20250121171821">主要的 cmd 命令如下：</p>
<p class="- topic/p p" data-ofbid="d316378e150__20250121171821"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">FBIOGET_VSCREENINFO</span>：获取屏幕可变信息</p>
<p class="- topic/p p" data-ofbid="d316378e155__20250121171821"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">FBIOPUT_VSCREENINFO</span>：设置屏幕可变信息</p>
<p class="- topic/p p" data-ofbid="d316378e160__20250121171821"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">FBIOGET_FSCREENINFO</span>：获取屏幕固定信息</p>
<p class="- topic/p p" data-ofbid="d316378e165__20250121171821"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">FBIOPAN_DISPLAY</span>：设置 PAN 显示</p>
<p class="- topic/p p" data-ofbid="d316378e171__20250121171821"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">FBIO_WAITFORVSYNC</span>: 等待 vsync 信号</p>
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_j4m_mbg_d1c__entry__3">输入</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_j4m_mbg_d1c__entry__1">cmddata</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_j4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e183__20250121171821">各 cmd 对应的数据类型分别是：</p>
<p class="- topic/p p" data-ofbid="d316378e186__20250121171821">屏幕可变信息：struct fb_var_screeninfo *类型</p>
<p class="- topic/p p" data-ofbid="d316378e189__20250121171821">屏幕固定信息：struct fb_fix_screeninfo *类型</p>
<p class="- topic/p p" data-ofbid="d316378e192__20250121171821">PAN 显示：struct fb_var_screeninfo *类型</p>
</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_j4m_mbg_d1c__entry__3">输入/输出</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="display_interface_design__section_b4t_nbg_d1c" data-ofbid="display_interface_design__section_b4t_nbg_d1c"><h2 class="- topic/title title sectiontitle">扩展接口</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_k4m_mbg_d1c" data-ofbid="display_interface_design__table_k4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_WAIT_FOR_VSYNC</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_k4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_k4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, unsigned
int *pvalue);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__2">等待 Vsync 信号</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e226__20250121171821">CMD: AICFB_WAIT_FOR_VSYNC</p>
<p class="- topic/p p" data-ofbid="d316378e229__20250121171821">pvalue: 该值无意义，固定为 NULL</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_k4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e237__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e240__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_k4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_k4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_l4m_mbg_d1c" data-ofbid="display_interface_design__table_l4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_LAYER_NUM</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_l4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_l4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_layer_num *pvalue);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__2">获取显示图层的个数, 包括 UI 图层个数和 Video 图层</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e272__20250121171821">CMD: AICFB_GET_LAYER_NUM</p>
<p class="- topic/p p" data-ofbid="d316378e275__20250121171821">player_num: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_dvy_ccg_d1c">struct
aicfb_layer_num</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_l4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e287__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e290__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_l4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_l4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_m4m_mbg_d1c" data-ofbid="display_interface_design__table_m4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_LAYER_CAPABILITY</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_m4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_m4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_layer_capability *player_cap);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__2">获取当前图层的能力</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e322__20250121171821">CMD: AICFB_GET_LAYER_CAPABILITY</p>
<p class="- topic/p p" data-ofbid="d316378e325__20250121171821">player_cap: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_jcy_tdg_d1c">struct aicfb_layer_capability</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_m4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e337__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e340__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_m4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_m4m_mbg_d1c__entry__2">调用接口前要先填写结构体中的 layer_id</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_n4m_mbg_d1c" data-ofbid="display_interface_design__table_n4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_LAYER_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_n4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_n4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_layer_data *player_conf);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__2">获取图层配置信息</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e372__20250121171821">CMD: <span class="+ topic/keyword sw-d/cmdname keyword cmdname">AICFB_GET_LAYER_CONFIG</span></p>
<p class="- topic/p p" data-ofbid="d316378e377__20250121171821">player_conf: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_struct_aicfb_layer_data">struct aicfb_layer_data</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_n4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e389__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e392__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_n4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_n4m_mbg_d1c__entry__2">调用接口前要先填写结构体中的 id，如果是多矩形窗口要同时填写 rect_win_id</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_o4m_mbg_d1c" data-ofbid="display_interface_design__table_o4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_LAYER_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_o4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_o4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_layer_data *player_conf)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__2">更新图层配置信息</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e425__20250121171821">CMD: AICFB_UPDATE_LAYER_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e428__20250121171821">player_ocnf:参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_struct_aicfb_layer_data">struct aicfb_layer_data</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_o4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e440__20250121171821">0: 成功</p>
<p class="- topic/p p" data-ofbid="d316378e443__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_o4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_o4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e451__20250121171821">如果是仅更新图层的部分 data 信息，</p>
<p class="- topic/p p" data-ofbid="d316378e454__20250121171821">可以先调用接口 CONFIG，获取当前图层信息，</p>
<p class="- topic/p p" data-ofbid="d316378e457__20250121171821">然后再修改要更新的图像信息，最后再调用此接口更新图层信息</p>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_p4m_mbg_d1c" data-ofbid="display_interface_design__table_p4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_LAYER_CONFIG_LISTS</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_p4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_p4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_config_lists *player_lists);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__2">更新图层配置数据列表</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e484__20250121171821">CMD: AICFB_UPDATE_LAYER_CONFIG_LISTS aicfb_config_lists</p>
<p class="- topic/p p" data-ofbid="d316378e487__20250121171821">player_lists: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_edn_pdg_d1c">struct aicfb_config_lists</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_p4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e499__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e502__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_p4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_p4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e510__20250121171821">通过此接口可以同时更新多个图层或者多个窗口的配置信息</p>
<p class="- topic/p p" data-ofbid="d316378e513__20250121171821">通过此接口调用的好处是相关图层配置的更新可以同时生效</p>
</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_q4m_mbg_d1c" data-ofbid="display_interface_design__table_q4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_ALPHA_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_q4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_q4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_alpha_config *alpha);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__2">获取当前图层的 Alpha 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e540__20250121171821">CMD: AICFB_GET_ALPHA_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e543__20250121171821">alpha: 参结考构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_iks_ldg_d1c">struct aicfb_alpha_config </a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_q4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e555__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e558__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_q4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_q4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_r4m_mbg_d1c" data-ofbid="display_interface_design__table_r4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_ALPHA_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_r4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_r4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_alpha_config *alpha);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__2">更新当前图层的 Alpha 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e590__20250121171821">CMD: AICFB_UPDATE_ALPHA_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e593__20250121171821">alpha: 参结考构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_iks_ldg_d1c">struct aicfb_alpha_config </a>定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_r4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e605__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e608__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_r4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_r4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_s4m_mbg_d1c" data-ofbid="display_interface_design__table_s4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 9</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_CK_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_s4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_s4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_ck_config *player_ck);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__2">获取当前图层的 CK 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e640__20250121171821">CMD: AICFB_GET_CK_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e643__20250121171821">player_ck: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_bnc_jdg_d1c">struct aicfb_ck_config </a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_s4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e655__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e658__20250121171821">-1：当前图层不支持 color key</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_s4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_s4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_t4m_mbg_d1c" data-ofbid="display_interface_design__table_t4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 10</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_CK_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_t4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_t4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aicfb_ck_config *player_ck);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__2">更新当前图层的 CK 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e690__20250121171821">CMD: AICFB_SET_CK_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e693__20250121171821">player_ck: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_bnc_jdg_d1c">struct aicfb_ck_config </a>定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_t4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e705__20250121171821">0： 成功</p>
<p class="- topic/p p" data-ofbid="d316378e708__20250121171821">-1：当前图层不支持 color key</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_t4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_t4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_u4m_mbg_d1c" data-ofbid="display_interface_design__table_u4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 11</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_SCREEN_SIZE</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_u4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_u4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct
aic_size *pscreen_size);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__2">更新当前图层的 CK 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e741__20250121171821">CMD: AICFB_GET_SCREEN_SIZE</p>
<p class="- topic/p p" data-ofbid="d316378e744__20250121171821">pscreen_size: 结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_q42_gdg_d1c">struct aic_size</a> 定义了屏幕的宽，高信息</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_u4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e756__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e759__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_u4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_u4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_v4m_mbg_d1c" data-ofbid="display_interface_design__table_v4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 12</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_FB_LAYER_CONFIG</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_v4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_v4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct aicfb_layer_data
*player_conf);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__2">获取标准 framebuffer 占用的图层信息</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e791__20250121171821">CMD: AICFB_GET_FB_LAYER_CONFIG</p>
<p class="- topic/p p" data-ofbid="d316378e794__20250121171821">player_conf: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_struct_aicfb_layer_data">struct aicfb_layer_data</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_v4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e806__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e809__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_v4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_v4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_w4m_mbg_d1c" data-ofbid="display_interface_design__table_w4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 13</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_DMABUF</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_w4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_w4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct aicfb_dmabuf_fd
*fds);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__2">通知 fb 驱动绑定 DMA-BUF</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e841__20250121171821">CMD: AICFB_GET_DMABUF</p>
<p class="- topic/p p" data-ofbid="d316378e844__20250121171821">fds: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_oyp_ycg_d1c">struct aicfb_dmabuf_fd</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_w4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e856__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e859__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_w4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_w4m_mbg_d1c__entry__2">APP 在将 dmabuf 送给 DE 显示之前必须进行绑定，否则无法显示 buf 中的内容</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_x4m_mbg_d1c" data-ofbid="display_interface_design__table_x4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 14</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_PUT_DMABUF</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_x4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_x4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct aicfb_dmabuf_fd
*fds);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__2">通知 fb 驱动解绑 DMA-BUF</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e891__20250121171821">CMD: AICFB_PUT_DMABUF</p>
<p class="- topic/p p" data-ofbid="d316378e894__20250121171821">fds: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_oyp_ycg_d1c">struct aicfb_dmabuf_fd</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__1">返回 值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_x4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e906__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e909__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_x4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_x4m_mbg_d1c__entry__2">无</td></tr></tbody></table></div>
<div class="table-container"><table class="- topic/table table frame-all" id="display_interface_design__table_y4m_mbg_d1c" data-ofbid="display_interface_design__table_y4m_mbg_d1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 15</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_TO_DMABUF_FD</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_interface_design__table_y4m_mbg_d1c__entry__1">接口定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_interface_design__table_y4m_mbg_d1c__entry__2">int (int fd, unsigned long cmd, struct aicfb_dmabuf_fd
*fds);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__2">将 /dev/fb0 导出为一个 dmabuf fd</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e941__20250121171821">CMD: AICFB_TO_DMABUF_FD</p>
<p class="- topic/p p" data-ofbid="d316378e944__20250121171821">fds: 参考结构体 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="display_data_structure.html#display_data_structure__li_oyp_ycg_d1c">struct aicfb_dmabuf_fd</a> 定义</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__1">返回 值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_interface_design__table_y4m_mbg_d1c__entry__2">
<p class="- topic/p p" data-ofbid="d316378e956__20250121171821">0：成功</p>
<p class="- topic/p p" data-ofbid="d316378e959__20250121171821">-1：失败</p>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_interface_design__table_y4m_mbg_d1c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_interface_design__table_y4m_mbg_d1c__entry__2">导出的 dmabuf fd 不支持 mmap 操作，无法得到一个有效的虚拟地址</td></tr></tbody></table></div>
</section></div></article></main></div>
</div>
<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
<div id="wh_topic_toc_content">
<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#display_interface_design__section_mkv_pbg_d1c" data-tocid="display_interface_design__section_mkv_pbg_d1c">Framebuffer 标准接口</a></div></li><li class="section-item"><div class="section-title"><a href="#display_interface_design__section_b4t_nbg_d1c" data-tocid="display_interface_design__section_b4t_nbg_d1c">扩展接口</a></div></li></ul></div>
</div>
</nav>
</div>
</div>
</div>
<footer class="navbar navbar-default wh_footer">
<div class=" footer-container mx-auto ">
<title>footer def</title>
<style><!--
.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
.p3 {
font-family: "Lucida Console", "Courier New", monospace;
}
--></style>
<div class="webhelp.fragment.footer">
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
</div><div>
<div class="generation_time">
Update Time: 2025-01-21
</div>
</div>
</div>
</footer>
<div id="go2top" class="d-print-none">
<span class="oxy-icon oxy-icon-up"></span>
</div>
<div id="modal_img_large" class="modal">
<span class="close oxy-icon oxy-icon-remove"></span>
<div id="modal_img_container"></div>
<div id="caption"></div>
</div>
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink