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<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="解码后图像花屏 现象 解码后的图像出现花屏现象。 原因分析 逐步排除以下原因： 是否源文件本身有数据错误，可使用 PC 端视频播放软件或图像浏览器查看，是否有花屏现象; 通过保存解码帧数据，在 PC 端查看图像是否有花屏现象，如果 PC 端查看图像正常，则需要排查是否设置图像格式错误，或排查 Display 模块相关原因。 码流解析是否正确，相关 VE 寄存器信息是否配置正确，具体请查看 VE ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-12-05"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="mpp_common_issues"/><meta name="DC.language" content="zh-CN"/><title>常见问题</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/mpp/mpp_faq.dita"/><meta name="wh-out-relpath" content="topics/sdk/mpp/mpp_faq.html"/>
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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_faq.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">常见问题</h1><div class="date inPage">5 Dec 2024</div><div style="color: gray;"></div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="mpp_common_issues__section_bts_yzh_d1c" data-ofbid="mpp_common_issues__section_bts_yzh_d1c"><h2 class="- topic/title title sectiontitle">解码后图像花屏</h2>
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<div class="- topic/div div">
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<div class="- topic/div div section" id="mpp_common_issues__id3">
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<strong class="+ topic/ph hi-d/b ph b">现象</strong>
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<p class="- topic/p p" data-ofbid="d175837e34__20250121171622">解码后的图像出现花屏现象。</p></div>
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<div class="- topic/div div section" id="mpp_common_issues__id4">
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<strong class="+ topic/ph hi-d/b ph b">原因分析</strong>
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<p class="- topic/p p" data-ofbid="d175837e42__20250121171622">逐步排除以下原因：</p><ol class="- topic/ol ol arabic simple" id="mpp_common_issues__ol_gdz_tqt_2dc" data-ofbid="mpp_common_issues__ol_gdz_tqt_2dc"><li class="- topic/li li" data-ofbid="d175837e45__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e47__20250121171622">是否源文件本身有数据错误，可使用 PC 端视频播放软件或图像浏览器查看，是否有花屏现象;</p>
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</li><li class="- topic/li li" data-ofbid="d175837e50__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e52__20250121171622">通过保存解码帧数据，在 PC 端查看图像是否有花屏现象，如果 PC 端查看图像正常，则需要排查是否设置图像格式错误，或排查 Display
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模块相关原因。</p>
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</li><li class="- topic/li li" data-ofbid="d175837e55__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e57__20250121171622">码流解析是否正确，相关 VE 寄存器信息是否配置正确，具体请查看 VE Spec 说明。</p>
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</li></ol></div>
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</div>
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</section><section class="- topic/section section" id="mpp_common_issues__section_tfx_d13_d1c" data-ofbid="mpp_common_issues__section_tfx_d13_d1c"><h2 class="- topic/title title sectiontitle">图像解码报错</h2><p class="- topic/p p" data-ofbid="d175837e65__20250121171622"><strong class="+ topic/ph hi-d/b ph b">现象</strong></p><p class="- topic/p p" data-ofbid="d175837e68__20250121171622">解码异常报错，未得到解码后的视频帧，或者视频帧数据出错。</p><strong class="+ topic/ph hi-d/b ph b">原因分析</strong><p class="- topic/p p" data-ofbid="d175837e72__20250121171622">逐步排除以下原因：</p><ol class="- topic/ol ol" id="mpp_common_issues__ol_nym_vtf_d1c" data-ofbid="mpp_common_issues__ol_nym_vtf_d1c"><li class="- topic/li li" data-ofbid="d175837e75__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e77__20250121171622">源文件是否是 VE 驱动支持的媒体文件格式，具体请参考模块介绍的硬件编解码格式章节。</p>
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</li><li class="- topic/li li" data-ofbid="d175837e80__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e82__20250121171622">源文件是否损坏，可参考 PC 端是否可正常播放。</p>
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</li><li class="- topic/li li" data-ofbid="d175837e85__20250121171622">
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<p class="- topic/p p" data-ofbid="d175837e87__20250121171622">码流解析是否正确，相关 VE 寄存器信息是否配置正确。</p>
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</li></ol><p class="- topic/p p" data-ofbid="d175837e90__20250121171622">解码报错后，VE 驱动中返回了解码当前帧的寄存器状态信息，请参考 Spec 说明对应分析。</p></section></div></article></main></div>
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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="#mpp_common_issues__section_bts_yzh_d1c" data-tocid="mpp_common_issues__section_bts_yzh_d1c">解码后图像花屏</a></div></li><li class="section-item"><div class="section-title"><a href="#mpp_common_issues__section_tfx_d13_d1c" data-tocid="mpp_common_issues__section_tfx_d13_d1c">图像解码报错</a></div></li></ul></div>
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