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data-id="mpp_0" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp_0-d3703e4986-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_player_user_guide.html" id="mpp_0-d3703e4986-link">MPP 播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3703e5084" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3703e5084-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_recorder_user_guide.html" id="id-d3703e5084-link">MPP 录像使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3703e5168" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3703e5168-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d3703e5168-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-d3703e5253" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3703e5253-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d3703e5253-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-d3703e5421" 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-d3703e5421-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d3703e5421-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-d3703e6676" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d3703e6676-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d3703e6676-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" href="http://aicdocco/taskstopics/sdk/mpp/mpp_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1>
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<div class="date inPage">9 Apr 2025</div><div style="color: gray;">
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Read time: 1 minute(s)
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<div class="- topic/body concept/conbody body conbody">
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<div class="- topic/p p" data-ofbid="d207030e33__20250409171055">源文件目录：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_design_intro__pre_w4m_mgh_d1c" data-ofbid="mpp_design_intro__pre_w4m_mgh_d1c">tree</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mpp_design_intro__codeblock_ov1_4yr_5dc" data-ofbid="mpp_design_intro__codeblock_ov1_4yr_5dc">.
|
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├── base <em class="hl-comment">// 公共模块：包括内存分配和链表等基础功能</em>
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│ ├── memory
|
||
├── ge <em class="hl-comment">// 2D 图形加速模块</em>
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├── ve <em class="hl-comment">// 编解码器模块</em>
|
||
| ├── include <em class="hl-comment">// ve 模块头文件</em>
|
||
│ ├── common <em class="hl-comment">// 编解码器公共组件</em>
|
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| ├── decoder
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│ ├── h264 <em class="hl-comment">// h.264 解码模块</em>
|
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│ ├── jpeg <em class="hl-comment">// jpg 解码模块</em>
|
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│ └── png <em class="hl-comment">// png 解码模块</em>
|
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<span class="- topic/ph ph">├── vin <em class="hl-comment">// video input 模块</em></span>
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├── include <em class="hl-comment">// mpp 对外头文件</em>
|
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├── mpp_test <em class="hl-comment">// mpp 测试用例</em></pre></div>
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<p class="- topic/p p" data-ofbid="d207030e43__20250409171055"><a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="mpp_design.html#mpp_design_intro__fig_owm_ygh_d1c">MPP 软件框图</a> 如下所示：</p>
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<figure class="- topic/fig fig fignone" id="mpp_design_intro__fig_owm_ygh_d1c" data-ofbid="mpp_design_intro__fig_owm_ygh_d1c">
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mpp_design_intro__image_h14_xk4_f1c" src="../../../images/mpp/mpp_framework.png" width="576" alt="mpp_framework"/></div><br/>
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<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">MPP 软件框图</span></figcaption></figure>
|
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<p class="- topic/p p" data-ofbid="d207030e61__20250409171055">分为三个部分：</p>
|
||
|
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<ul class="- topic/ul ul" id="mpp_design_intro__ul_mjy_yk4_f1c" data-ofbid="mpp_design_intro__ul_mjy_yk4_f1c">
|
||
<li class="- topic/li li" data-ofbid="d207030e66__20250409171055">
|
||
<p class="- topic/p p" data-ofbid="d207030e68__20250409171055">应用层：Luban-Lite 提供了 player（播放器）、MPP 测试、LVGL Demo，也支持增加其它 App</p>
|
||
<div class="- topic/p p" data-ofbid="d207030e71__20250409171055">MPP 中间件：从功能上可以划分为 4 大块<ul class="- topic/ul ul" id="mpp_design_intro__ul_flz_yk4_f1c" data-ofbid="mpp_design_intro__ul_flz_yk4_f1c">
|
||
<li class="- topic/li li" data-ofbid="d207030e75__20250409171055">
|
||
<p class="- topic/p p" data-ofbid="d207030e77__20250409171055">MPP Decoder，实现 h264、jpeg、png 等解码功能</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d207030e81__20250409171055">
|
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<p class="- topic/p p" data-ofbid="d207030e83__20250409171055">MPP Encoder，实现 jpeg 编码。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d207030e87__20250409171055">
|
||
<p class="- topic/p p" data-ofbid="d207030e89__20250409171055">MPP GE，实现 2D 图形加速功能</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d207030e93__20250409171055">
|
||
<p class="- topic/p p" data-ofbid="d207030e95__20250409171055">MPP VIN，实现视频输入采集的功能</p>
|
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</li>
|
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</ul></div>
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</li>
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<li class="- topic/li li" data-ofbid="d207030e101__20250409171055">
|
||
<p class="- topic/p p" data-ofbid="d207030e103__20250409171055">Driver 层：MPP 需要用到的驱动有 VE、GE、DVP、Camera 驱动</p>
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</li>
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</ul>
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