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class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_recorder_user_guide.html" id="id-d3752e5159-link">MPP 录像使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5243" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5243-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d3752e5243-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-d3752e5328" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5328-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d3752e5328-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-d3752e5544" 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-d3752e5544-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d3752e5544-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-d3752e6799" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d3752e6799-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d3752e6799-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/dvp/dvp_interface_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1>
|
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
|
||
Read time: 2 minute(s)
|
||
</div>
|
||
<div class="- topic/body concept/conbody body conbody">
|
||
<section xml:lang="zh-CN" lang="zh-CN" class="- topic/section section" id="dvp-interface-design__section_gys_tkt_2dc" data-ofbid="dvp-interface-design__section_gys_tkt_2dc"><h2 class="- topic/title title sectiontitle">Driver 层接口设计</h2>
|
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|
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<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_fyt_1kt_2dc" data-ofbid="dvp-interface-design__table_fyt_1kt_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">aic_dvp_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="dvp-interface-design__table_fyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e54__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_fyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e58__20250519091529">int aic_dvp_probe(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e68__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e72__20250519091529">完成中断申请、管理状态初始化等</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e79__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e83__20250519091529">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e90__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e94__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e101__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_fyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e105__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_gyt_1kt_2dc" data-ofbid="dvp-interface-design__table_gyt_1kt_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">aic_dvp_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="dvp-interface-design__table_gyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e128__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_gyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e132__20250519091529">int aic_dvp_open(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e142__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e146__20250519091529">使能时钟、使能 DVP 控制器、初始化 Buf 链表信息等</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e153__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e157__20250519091529">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e164__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e168__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e175__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_gyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e179__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_hyt_1kt_2dc" data-ofbid="dvp-interface-design__table_hyt_1kt_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">aic_dvp_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="dvp-interface-design__table_hyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e202__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_hyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e206__20250519091529">int aic_dvp_close(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e216__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e220__20250519091529">关闭时钟、关闭 DVP 控制器</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e227__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e231__20250519091529">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e238__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e242__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e249__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_hyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e253__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_iyt_1kt_2dc" data-ofbid="dvp-interface-design__table_iyt_1kt_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">aic_dvp_set_in_fmt</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="dvp-interface-design__table_iyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e276__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_iyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e280__20250519091529">int aic_dvp_set_in_fmt(struct mpp_video_fmt *fmt)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e290__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e294__20250519091529">设置 DVP 的输入视频格式</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e301__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e305__20250519091529">fmt - 指向 struct mpp_video_fmt 类型的指针</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e312__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e316__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e323__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_iyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e327__20250519091529">fmt 一般是从 Camera 设备中读取到的格式信息 </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_jyt_1kt_2dc" data-ofbid="dvp-interface-design__table_jyt_1kt_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">aic_dvp_set_out_fmt</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="dvp-interface-design__table_jyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e351__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_jyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e355__20250519091529">int aic_dvp_set_out_fmt(struct dvp_out_fmt *fmt)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e365__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e369__20250519091529">设置 DVP 的输出图像格式</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e376__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e380__20250519091529">fmt - 指向 struct dvp_out_fmt 类型的指针</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e387__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e391__20250519091529">0，成功</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e398__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_jyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e402__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_kyt_1kt_2dc" data-ofbid="dvp-interface-design__table_kyt_1kt_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">aic_dvp_stream_on</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="dvp-interface-design__table_kyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e425__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_kyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e429__20250519091529">int aic_dvp_stream_on(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e439__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e443__20250519091529">启动视频流</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e450__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e454__20250519091529">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e461__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e465__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e472__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_kyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e476__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_lyt_1kt_2dc" data-ofbid="dvp-interface-design__table_lyt_1kt_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">aic_dvp_stream_off</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="dvp-interface-design__table_lyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e499__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_lyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e503__20250519091529">int aic_dvp_stream_off(void)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e513__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e517__20250519091529">关闭视频流</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e524__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e528__20250519091529">无</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e535__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e539__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e546__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_lyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e550__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_myt_1kt_2dc" data-ofbid="dvp-interface-design__table_myt_1kt_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">aic_dvp_req_buf</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="dvp-interface-design__table_myt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e573__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_myt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e577__20250519091529">int aic_dvp_req_buf(char *buf, u32 size, struct vin_video_buf
|
||
*vbuf)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e587__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e591__20250519091529">按照给定的 Video Buf 配置信息从内存池中申请 Buf</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e598__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e602__20250519091529">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">buf - 指向内存池的指针</div>
|
||
<div class="- topic/div div">size - 内存池的总大小</div>
|
||
<div class="- topic/div div">vbuf - Video Buf 的配置信息</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e621__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_myt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e625__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_myt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e632__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_myt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e636__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_nyt_1kt_2dc" data-ofbid="dvp-interface-design__table_nyt_1kt_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">aic_dvp_q_buf</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="dvp-interface-design__table_nyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e659__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_nyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e663__20250519091529">int aic_dvp_q_buf(u32 index)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e673__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e677__20250519091529">释放指定 index 的 Buf 进入空闲队列（queued_list）</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e684__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e688__20250519091529">index - Buf 的索引号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e695__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e699__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e706__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_nyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e710__20250519091529">- </p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="dvp-interface-design__table_oyt_1kt_2dc" data-ofbid="dvp-interface-design__table_oyt_1kt_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">aic_dvp_dq_buf</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="dvp-interface-design__table_oyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e733__20250519091529">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="dvp-interface-design__table_oyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e737__20250519091529">int aic_dvp_dq_buf(u32 *pindex)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e747__20250519091529">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e751__20250519091529">从 DVP 处理完成后的队列（done_list）中获取一个 Buf</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e758__20250519091529">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e762__20250519091529">pindex - 用于保存获取到的 Buf 索引号</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e769__20250519091529">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e773__20250519091529">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__1"><p class="- topic/p p" data-ofbid="d212558e780__20250519091529">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="dvp-interface-design__table_oyt_1kt_2dc__entry__2"><p class="- topic/p p" data-ofbid="d212558e784__20250519091529">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
</div>
|
||
</article></main></div>
|
||
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|
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