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href="../../../topics/sdk/mpp/mpp_player_user_guide_2.html" id="mpp_0-d5856e4495-link">MPP 播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e4579" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e4579-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_recorder_user_guide.html" id="id-d5856e4579-link">MPP 录像使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e4651" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e4651-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d5856e4651-link">MPP 音频播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e4724" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e4724-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d5856e4724-link">LVGL 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d5856e4868" 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-d5856e4868-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d5856e4868-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN<span class="ph">、CAP</span>、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-d5856e6083" class="topicref" data-id="chapter-safety" 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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" 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_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 4 minute(s)
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</div><div class="- topic/body body"><p class="- topic/p p" data-ofbid="d191290e20__20250121171631"><span class="- topic/ph ph">Luban-Lite</span> SDK 通过 MPP 中间件，对外提供一套统一的接口来控制显示驱动，屏蔽操作系统内核和裸机方案的差异。</p><div class="- topic/p p" data-ofbid="d191290e24__20250121171631">以下是 <span class="- topic/ph ph">Luban-Lite</span> SDK 的主要功能和接口说明：<ol class="- topic/ol ol arabic simple" id="id__ol_p45_k2s_2dc" data-ofbid="id__ol_p45_k2s_2dc"><li class="- topic/li li" data-ofbid="d191290e30__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e32__20250121171631">获取图层个数</p>
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</li><li class="- topic/li li" data-ofbid="d191290e35__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e37__20250121171631">获取图层能力</p>
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</li><li class="- topic/li li" data-ofbid="d191290e40__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e42__20250121171631">获取图层配置数据</p>
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</li><li class="- topic/li li" data-ofbid="d191290e45__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e47__20250121171631">更新图层配置数据</p>
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</li><li class="- topic/li li" data-ofbid="d191290e50__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e52__20250121171631">支持同时更新多图层配置数据</p>
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</li><li class="- topic/li li" data-ofbid="d191290e55__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e57__20250121171631">支持图层 scaler 设置</p>
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</li><li class="- topic/li li" data-ofbid="d191290e60__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e62__20250121171631">支持 alpha blending 设置</p>
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</li><li class="- topic/li li" data-ofbid="d191290e65__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e67__20250121171631">支持 color key 设置</p>
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</li><li class="- topic/li li" data-ofbid="d191290e70__20250121171631">
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||
<p class="- topic/p p" data-ofbid="d191290e72__20250121171631">支持 disp prop 色彩设置</p>
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||
</li><li class="- topic/li li" data-ofbid="d191290e75__20250121171631">
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||
<p class="- topic/p p" data-ofbid="d191290e77__20250121171631">支持 CCM 色彩矩阵设置</p>
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||
</li><li class="- topic/li li" data-ofbid="d191290e80__20250121171631">
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<p class="- topic/p p" data-ofbid="d191290e82__20250121171631">支持 Gamma 设置</p>
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||
</li></ol></div><section class="- topic/section section" id="id__section_o45_k2s_2dc" data-ofbid="id__section_o45_k2s_2dc"><h2 class="- topic/title title sectiontitle">MPP 接口</h2>
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_q45_k2s_2dc" data-ofbid="id__table_q45_k2s_2dc" 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">mpp_fb_open</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_q45_k2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_q45_k2s_2dc__entry__2">struct mpp_fb *mpp_fb_open(void);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_q45_k2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_q45_k2s_2dc__entry__2">获取一个 mpp_fb 句柄</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_q45_k2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_q45_k2s_2dc__entry__2">void</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_q45_k2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_q45_k2s_2dc__entry__2">
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<p class="- topic/p p" data-ofbid="d191290e118__20250121171631">非空：成功</p>
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<p class="- topic/p p" data-ofbid="d191290e121__20250121171631">NULL：失败</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_q45_k2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_q45_k2s_2dc__entry__2">无 </td></tr></tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_r45_k2s_2dc" data-ofbid="id__table_r45_k2s_2dc" 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">mpp_fb_close</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_r45_k2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_r45_k2s_2dc__entry__2">void mpp_fb_close(struct mpp_fb *fb);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_r45_k2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_r45_k2s_2dc__entry__2">释放 mpp_fb 句柄</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_r45_k2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_r45_k2s_2dc__entry__2">fb: mpp_fb 句柄</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_r45_k2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_r45_k2s_2dc__entry__2">void</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_r45_k2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_r45_k2s_2dc__entry__2">无 </td></tr></tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_s45_k2s_2dc" data-ofbid="id__table_s45_k2s_2dc" 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">mpp_fb_probe</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_s45_k2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_s45_k2s_2dc__entry__2">int mpp_fb_probe(void);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s45_k2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s45_k2s_2dc__entry__2">probe fb</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s45_k2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s45_k2s_2dc__entry__2">void</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s45_k2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s45_k2s_2dc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d191290e192__20250121171631">0：成功</p>
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<p class="- topic/p p" data-ofbid="d191290e195__20250121171631"><0：失败</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_s45_k2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_s45_k2s_2dc__entry__2">多次调用也只会 probe 一次，需要在 mpp_fb_open() 操作前调用 </td></tr></tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_t45_k2s_2dc" data-ofbid="id__table_t45_k2s_2dc" 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">mpp_fb_ioctl</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_t45_k2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_t45_k2s_2dc__entry__2">int mpp_fb_ioctl(struct mpp_fb *fb, int cmd, void *args);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_t45_k2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_t45_k2s_2dc__entry__2">ioctl 调用，控制显示驱动</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_t45_k2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_t45_k2s_2dc__entry__2">
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<p class="- topic/p p" data-ofbid="d191290e227__20250121171631">fb: MPP FB 文件句柄</p>
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<p class="- topic/p p" data-ofbid="d191290e230__20250121171631">CMD: 操作命名</p>
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<p class="- topic/p p" data-ofbid="d191290e233__20250121171631">args: ioctl 调用私有数据</p>
|
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_t45_k2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_t45_k2s_2dc__entry__2">
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||
<p class="- topic/p p" data-ofbid="d191290e241__20250121171631">0：成功</p>
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||
<p class="- topic/p p" data-ofbid="d191290e244__20250121171631"><0：失败</p>
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_t45_k2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_t45_k2s_2dc__entry__2">无</td></tr></tbody></table></div>
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</section><section class="- topic/section section" id="id__section_u45_k2s_2dc" data-ofbid="id__section_u45_k2s_2dc"><h2 class="- topic/title title sectiontitle">ioctl CMD</h2>
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_v45_k2s_2dc" data-ofbid="id__table_v45_k2s_2dc" 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_WAIT_FOR_VSYNC</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_v45_k2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_v45_k2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_v45_k2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_v45_k2s_2dc__entry__2">等待 Vsync 信号</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_v45_k2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_v45_k2s_2dc__entry__2">CMD: AICFB_WAIT_FOR_VSYNC pvalue:该值无意义，可为 NULL</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_v45_k2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_v45_k2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_v45_k2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_v45_k2s_2dc__entry__2">无 </td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_xd4_j2s_2dc" data-ofbid="id__table_xd4_j2s_2dc" 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_GET_LAYER_NUM</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_xd4_j2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_xd4_j2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_xd4_j2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xd4_j2s_2dc__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="id__table_xd4_j2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xd4_j2s_2dc__entry__2">CMD: AICFB_GET_LAYER_NUM 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__struct-aicfb-layer-num">struct
|
||
aicfb_layer_num</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xd4_j2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xd4_j2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_xd4_j2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_xd4_j2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_uqd_j2s_2dc" data-ofbid="id__table_uqd_j2s_2dc" 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_LAYER_CAPABILITY</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_uqd_j2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_uqd_j2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_uqd_j2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_uqd_j2s_2dc__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="id__table_uqd_j2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_uqd_j2s_2dc__entry__2">CMD: AICFB_GET_LAYER_CAPABILITY 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__struct-aicfb-layer-capability">struct aicfb_layer_capability</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_uqd_j2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_uqd_j2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_uqd_j2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_uqd_j2s_2dc__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="id__table_lwq_32s_2dc" data-ofbid="id__table_lwq_32s_2dc" 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_GET_LAYER_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_lwq_32s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_lwq_32s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_lwq_32s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lwq_32s_2dc__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="id__table_lwq_32s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lwq_32s_2dc__entry__2">CMD: AICFB_GET_LAYER_CONFIG 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__struct-aicfb-layer-data">struct
|
||
aicfb_layer_data</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_lwq_32s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lwq_32s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_lwq_32s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_lwq_32s_2dc__entry__2"> 调用接口前要先填写结构体中的 layer_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="id__table_lhd_32s_2dc" data-ofbid="id__table_lhd_32s_2dc" 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_UPDATE_LAYER_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_lhd_32s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_lhd_32s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_lhd_32s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lhd_32s_2dc__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="id__table_lhd_32s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lhd_32s_2dc__entry__2">CMD: AICFB_UPDATE_LAYER_CONFIG 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__struct-aicfb-layer-data">struct
|
||
aicfb_layer_data</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_lhd_32s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_lhd_32s_2dc__entry__2">0: 成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_lhd_32s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_lhd_32s_2dc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d191290e444__20250121171631">如果是仅更新图层的部分 config data 信息，</p>
|
||
<p class="- topic/p p" data-ofbid="d191290e447__20250121171631">可以先调用接口 AICFB_GET_LAYER_CONFIG，获取当前图层信息，</p>
|
||
<p class="- topic/p p" data-ofbid="d191290e450__20250121171631">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="id__table_zfs_h2s_2dc" data-ofbid="id__table_zfs_h2s_2dc" 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_LAYER_CONFIG_LISTS</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_zfs_h2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zfs_h2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_zfs_h2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zfs_h2s_2dc__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="id__table_zfs_h2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zfs_h2s_2dc__entry__2">CMD: AICFB_UPDATE_LAYER_CONFIG_LISTS aicfb_config_lists
|
||
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__struct-aicfb-config-lists">struct
|
||
aicfb_config_lists</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zfs_h2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zfs_h2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zfs_h2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zfs_h2s_2dc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d191290e491__20250121171631">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="d191290e494__20250121171631">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="id__table_bhg_h2s_2dc" data-ofbid="id__table_bhg_h2s_2dc" 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_ALPHA_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_bhg_h2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_bhg_h2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_bhg_h2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bhg_h2s_2dc__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="id__table_bhg_h2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bhg_h2s_2dc__entry__2">CMD: AICFB_GET_ALPHA_CONFIG 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__struct-aicfb-alpha-config">struct
|
||
aicfb_alpha_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_bhg_h2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bhg_h2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_bhg_h2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_bhg_h2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_qvv_g2s_2dc" data-ofbid="id__table_qvv_g2s_2dc" 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_UPDATE_ALPHA_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_qvv_g2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_qvv_g2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_qvv_g2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qvv_g2s_2dc__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="id__table_qvv_g2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qvv_g2s_2dc__entry__2">CMD: AICFB_UPDATE_ALPHA_CONFIG 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__struct-aicfb-alpha-config">struct
|
||
aicfb_alpha_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qvv_g2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qvv_g2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_qvv_g2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_qvv_g2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_qtj_g2s_2dc" data-ofbid="id__table_qtj_g2s_2dc" 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_CK_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_qtj_g2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_qtj_g2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_qtj_g2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qtj_g2s_2dc__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="id__table_qtj_g2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qtj_g2s_2dc__entry__2">CMD: AICFB_GET_CK_CONFIG 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__struct-aicfb-ck-config"> >struct
|
||
aicfb_ck_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qtj_g2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qtj_g2s_2dc__entry__2">0：成功 -1：当前图层不支持 color key</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_qtj_g2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_qtj_g2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_zdy_f2s_2dc" data-ofbid="id__table_zdy_f2s_2dc" 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_UPDATE_CK_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_zdy_f2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zdy_f2s_2dc__entry__2">int mpp_fb_ioctl(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="id__table_zdy_f2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zdy_f2s_2dc__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="id__table_zdy_f2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zdy_f2s_2dc__entry__2">CMD: AICFB_SET_CK_CONFIG 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__struct-aicfb-ck-config">struct
|
||
aicfb_ck_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zdy_f2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zdy_f2s_2dc__entry__2">0： 成功 -1：当前图层不支持 color key</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zdy_f2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zdy_f2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_rkm_f2s_2dc" data-ofbid="id__table_rkm_f2s_2dc" 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_GET_CCM_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_rkm_f2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_rkm_f2s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, struct
|
||
aicfb_ccm_config *ccm);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__2">获取 DE 当前的 CCM 色彩矩阵配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__2">CMD: AICFB_GET_CCM_CONFIG ccm: 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__struct-aicfb-ccm-config">struct
|
||
aicfb_ccm_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rkm_f2s_2dc__entry__2">0： 成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_rkm_f2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_rkm_f2s_2dc__entry__2">支持 D13x/D12x 系列</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_g2c_f2s_2dc" data-ofbid="id__table_g2c_f2s_2dc" 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"> 16</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_CCM_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_g2c_f2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_g2c_f2s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, struct
|
||
aicfb_ccm_config *ccm);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__2">更新 DE 的 CCM 色彩矩阵配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__2">CMD: AICFB_UPDATE_CCM_CONFIG ccm: 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__struct-aicfb-ccm-config"> >struct
|
||
aicfb_ccm_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_g2c_f2s_2dc__entry__2">0： 成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_g2c_f2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_g2c_f2s_2dc__entry__2">支持 D13x/D12x 系列 </td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_iyq_22s_2dc" data-ofbid="id__table_iyq_22s_2dc" 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"> 17</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_GAMMA_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_iyq_22s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_iyq_22s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, struct
|
||
aicfb_gamma_config *gamma);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_iyq_22s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_iyq_22s_2dc__entry__2">获取 DE 当前的 Gamma 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_iyq_22s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_iyq_22s_2dc__entry__2">CMD: AICFB_GET_GAMMA_CONFIG gamma: 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__struct-aicfb-gamma-config">struct
|
||
aicfb_gamma_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_iyq_22s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_iyq_22s_2dc__entry__2">0： 成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_iyq_22s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_iyq_22s_2dc__entry__2">支持 D13x/D12x 系列</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_s4c_22s_2dc" data-ofbid="id__table_s4c_22s_2dc" 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"> 18</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_UPDATE_GAMMA_CONFIG</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_s4c_22s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_s4c_22s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, struct
|
||
aicfb_gamma_config *gamma);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s4c_22s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s4c_22s_2dc__entry__2">更新 DE 的 Gamma 配置</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s4c_22s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s4c_22s_2dc__entry__2">CMD: AICFB_UPDATE_GAMMA_CONFIG gamma: 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__struct-aicfb-gamma-config">struct
|
||
aicfb_gamma_config</a> 定义</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_s4c_22s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_s4c_22s_2dc__entry__2">0： 成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_s4c_22s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_s4c_22s_2dc__entry__2">支持 D13x/D12x 系列</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_i2p_d2s_2dc" data-ofbid="id__table_i2p_d2s_2dc" 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"> 19</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_GET_SCREENINFO</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_i2p_d2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_i2p_d2s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, struct
|
||
aicfb_screeninfo *pscreen_size);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__2">获取当前 LCD 外设 和 framebuffer 信息</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__2">CMD: AICFB_GET_SCREEN_SIZE 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__struct-aicfb-screeninfo">struct
|
||
aicfb_screeninfo</a></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_i2p_d2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_i2p_d2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_i2p_d2s_2dc__entry__2">无</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_unb_d2s_2dc" data-ofbid="id__table_unb_d2s_2dc" 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"> 20</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_POWERON</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_unb_d2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_unb_d2s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, unsigned int
|
||
zero);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_unb_d2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_unb_d2s_2dc__entry__2">enable LCD 外设</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_unb_d2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_unb_d2s_2dc__entry__2">CMD: AICFB_POWERON zero: NULL</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_unb_d2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_unb_d2s_2dc__entry__2">0：成功 -1：失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_unb_d2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_unb_d2s_2dc__entry__2">多次调用只会 enable 一次</td></tr></tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_bfj_c2s_2dc" data-ofbid="id__table_bfj_c2s_2dc" 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"> 21</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">AICFB_POWEROFF</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_bfj_c2s_2dc__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_bfj_c2s_2dc__entry__2">int mpp_fb_ioctl(int fd, unsigned long cmd, unsigned int
|
||
zero);</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__2">disable LCD 外设</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__2">CMD:
|
||
AICFB_POWEROFF zero: NULL</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_bfj_c2s_2dc__entry__2">0：成功 <p class="- topic/p p" data-ofbid="d191290e907__20250121171631">-1：失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_bfj_c2s_2dc__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_bfj_c2s_2dc__entry__2">无 </td></tr></tbody></table></div>
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