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id="mpp_common_issues-d5856e4483-link">常见问题</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp_0-d5856e4495" class="topicref" data-id="mpp_0" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp_0-d5856e4495-link" class="wh-expand-btn"></span><div class="title"><a 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" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d5856e6083-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d5856e6083-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"><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">15 Jan 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="d38389e24__20250121171516">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="d38389e33__20250121171516"><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="d38389e44__20250121171516">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="d38389e47__20250121171516">
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<p class="- topic/p p" data-ofbid="d38389e49__20250121171516">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="d38389e52__20250121171516">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="d38389e55__20250121171516">
|
||
<p class="- topic/p p" data-ofbid="d38389e57__20250121171516">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="d38389e60__20250121171516">
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<p class="- topic/p p" data-ofbid="d38389e62__20250121171516">MPP Encoder，实现 jpeg 编码。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d38389e65__20250121171516">
|
||
<p class="- topic/p p" data-ofbid="d38389e67__20250121171516">MPP GE，实现 2D 图形加速功能</p>
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</li><li class="- topic/li li" data-ofbid="d38389e70__20250121171516">
|
||
<p class="- topic/p p" data-ofbid="d38389e72__20250121171516">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="d38389e76__20250121171516">
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<p class="- topic/p p" data-ofbid="d38389e78__20250121171516">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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<div class=" wh_child_links d-print-none "><nav aria-label="Child Links" role="navigation" class="- topic/related-links related-links"><ul class="ullinks"><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/mpp/mpp-decode_2.html">MPP Decoder 设计及接口说明</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/mpp/mpp_encoder_design_2.html">MPP Encoder 设计及接口说明</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/mpp/mpp-zlib_design_and_interface_intro.html">MPP Zlib 设计及接口说明</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/mpp/mpp_ge_design_lite.html">MPP GE 设计及接口说明</a></strong></li><li class="- topic/link link ulchildlink"><strong><a href="../../../topics/sdk/mpp/mpp-vin-design-interface.html">MPP VIN 设计及接口说明</a></strong></li></ul></nav></div>
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