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data-tocid="concept_h4d_fwt_tzb-d4445e5218" class="topicref" data-id="concept_h4d_fwt_tzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_h4d_fwt_tzb-d4445e5218-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/dvp/dvp_user_guide.html" id="concept_h4d_fwt_tzb-d4445e5218-link">DVP 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp-d4445e5358" class="topicref" data-id="mpp" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp-d4445e5358-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_user_guide.html" id="mpp-d4445e5358-link">MPP 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp_0-d4445e5498" class="topicref" data-id="mpp_0" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp_0-d4445e5498-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_player_user_guide.html" id="mpp_0-d4445e5498-link">MPP 播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="gstreamer-d4445e5582" class="topicref" data-id="gstreamer" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action gstreamer-d4445e5582-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/gstreamer/gstreamer-user-guide.html" id="gstreamer-d4445e5582-link">Gstreamer 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="i2s-d4445e5680" class="topicref" data-id="i2s" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action i2s-d4445e5680-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/i2s/i2s_user_guide.html" id="i2s-d4445e5680-link">I2S 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="audio_codec_user_guide-d4445e5806" class="topicref" data-id="audio_codec_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action audio_codec_user_guide-d4445e5806-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/audio_codec/audio-codec-user-guide.html" id="audio_codec_user_guide-d4445e5806-link">Audio Codec 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" 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>
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|
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 5 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
|
||
<div class="- topic/p p" data-ofbid="d171571e33__20250123155218">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">
|
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<li class="- topic/li li" data-ofbid="d171571e37__20250123155218">
|
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<div class="- topic/p p" data-ofbid="d171571e39__20250123155218">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">
|
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<li class="- topic/li li" data-ofbid="d171571e43__20250123155218">
|
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<p class="- topic/p p" data-ofbid="d171571e45__20250123155218">将物理显存映射到用户空间</p>
|
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</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e49__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e51__20250123155218">获取显示屏的分辨率和获取 Framebuffer 的像素格式</p>
|
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</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e55__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e57__20250123155218">支持单缓冲 Framebuffer 和双缓冲 Framebuffer 可配置</p>
|
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</li>
|
||
</ul></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e63__20250123155218">
|
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<div class="- topic/p p" data-ofbid="d171571e65__20250123155218">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="d171571e69__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e71__20250123155218">获取图层个数</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e75__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e77__20250123155218">获取图层能力</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e81__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e83__20250123155218">获取图层配置数据</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e87__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e89__20250123155218">更新图层配置数据</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e93__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e95__20250123155218">支持同时更新多图层配置数据</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e100__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e102__20250123155218">支持图层 scaler 设置</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e106__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e108__20250123155218">支持 alpha blending 设置</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e112__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e114__20250123155218">支持 color key</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e118__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e120__20250123155218">获取显示屏大小</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e124__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e126__20250123155218">绑定 DMA-BUF</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e130__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e132__20250123155218">解绑 DMA-BUF</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d171571e137__20250123155218">
|
||
<p class="- topic/p p" data-ofbid="d171571e139__20250123155218">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"><code><strong class="hl-keyword">int</strong> <span class="- topic/ph ph">ioctl</span>(<strong class="hl-keyword">int</strong> fd, <strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">long</strong> cmd, CMD_DATA_TYPE *cmddata);</code></pre>
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|
||
<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="d171571e203__20250123155218">主要的 cmd 命令如下：</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e206__20250123155218"><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="d171571e211__20250123155218"><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="d171571e216__20250123155218"><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="d171571e221__20250123155218"><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="d171571e227__20250123155218"><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="d171571e244__20250123155218">各 cmd 对应的数据类型分别是：</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e247__20250123155218">屏幕可变信息：struct fb_var_screeninfo *类型</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e250__20250123155218">屏幕固定信息：struct fb_fix_screeninfo *类型</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e253__20250123155218">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 <span class="- topic/ph ph">ioctl</span>(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="d171571e314__20250123155218">CMD: AICFB_WAIT_FOR_VSYNC</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e317__20250123155218">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="d171571e329__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e332__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e393__20250123155218">CMD: AICFB_GET_LAYER_NUM</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e396__20250123155218">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="d171571e412__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e415__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e476__20250123155218">CMD: AICFB_GET_LAYER_CAPABILITY</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e479__20250123155218">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="d171571e495__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e498__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e559__20250123155218">CMD: <span class="+ topic/keyword sw-d/cmdname keyword cmdname">AICFB_GET_LAYER_CONFIG</span></p>
|
||
<p class="- topic/p p" data-ofbid="d171571e564__20250123155218">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="d171571e580__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e583__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e645__20250123155218">CMD: AICFB_UPDATE_LAYER_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e648__20250123155218">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="d171571e664__20250123155218">0: 成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e667__20250123155218">-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="d171571e679__20250123155218">如果是仅更新图层的部分 data 信息，</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e682__20250123155218">可以先调用接口 CONFIG，获取当前图层信息，</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e685__20250123155218">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 <span class="- topic/ph ph">ioctl</span>(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="d171571e737__20250123155218">CMD: AICFB_UPDATE_LAYER_CONFIG_LISTS aicfb_config_lists</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e740__20250123155218">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="d171571e756__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e759__20250123155218">-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="d171571e771__20250123155218">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="d171571e774__20250123155218">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 <span class="- topic/ph ph">ioctl</span>(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="d171571e826__20250123155218">CMD: AICFB_GET_ALPHA_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e829__20250123155218">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="d171571e845__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e848__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e909__20250123155218">CMD: AICFB_UPDATE_ALPHA_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e912__20250123155218">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="d171571e928__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e931__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e992__20250123155218">CMD: AICFB_GET_CK_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e995__20250123155218">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="d171571e1011__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1014__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1075__20250123155218">CMD: AICFB_SET_CK_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1078__20250123155218">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="d171571e1094__20250123155218">0： 成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1097__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1159__20250123155218">CMD: AICFB_GET_SCREEN_SIZE</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1162__20250123155218">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="d171571e1178__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1181__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1242__20250123155218">CMD: AICFB_GET_FB_LAYER_CONFIG</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1245__20250123155218">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="d171571e1261__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1264__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1325__20250123155218">CMD: AICFB_GET_DMABUF</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1328__20250123155218">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="d171571e1344__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1347__20250123155218">-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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1408__20250123155218">CMD: AICFB_PUT_DMABUF</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1411__20250123155218">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="d171571e1427__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1430__20250123155218">-1：失败</p>
|
||
</td>
|
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</tr>
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<tr class="- topic/row">
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<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>
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<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 <span class="- topic/ph ph">ioctl</span>(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="d171571e1491__20250123155218">CMD: AICFB_TO_DMABUF_FD</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1494__20250123155218">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="d171571e1510__20250123155218">0：成功</p>
|
||
<p class="- topic/p p" data-ofbid="d171571e1513__20250123155218">-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>
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<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>
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