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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"><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/mpp/mpp_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1><div class="date inPage">24 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d349939e22__20250121172126">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
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├── 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>
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| ├── include <em class="hl-comment">// ve 模块头文件</em>
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│ ├── 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><p class="- topic/p p" data-ofbid="d349939e31__20250121172126"><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><figure class="- topic/fig fig fignone" id="mpp_design_intro__fig_owm_ygh_d1c" data-ofbid="mpp_design_intro__fig_owm_ygh_d1c"><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/><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><p class="- topic/p p" data-ofbid="d349939e42__20250121172126">分为三个部分：</p><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="d349939e45__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e47__20250121172126">应用层：Luban-Lite 提供了 player（播放器）、MPP 测试、LVGL Demo，也支持增加其他 App</p>
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<div class="- topic/p p" data-ofbid="d349939e50__20250121172126">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="d349939e53__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e55__20250121172126">MPP Decoder，实现 h264、jpeg、png 等解码功能</p>
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</li><li class="- topic/li li" data-ofbid="d349939e58__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e60__20250121172126">MPP Encoder，实现 jpeg 编码。</p>
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</li><li class="- topic/li li" data-ofbid="d349939e63__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e65__20250121172126">MPP GE，实现 2D 图形加速功能</p>
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</li><li class="- topic/li li" data-ofbid="d349939e68__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e70__20250121172126">MPP VIN，实现视频输入采集的功能</p>
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</li></ul></div>
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</li><li class="- topic/li li" data-ofbid="d349939e74__20250121172126">
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<p class="- topic/p p" data-ofbid="d349939e76__20250121172126">Driver 层：MPP 需要用到的驱动有 VE、GE、DVP、Camera 驱动</p>
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</li></ul></div></article></main></div>
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