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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/ic/ve/ve-interface_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1><div class="date inPage">16 Jul 2024</div><div style="color: gray;">
Read time: 1 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="ve_interface_design__section_ykl_2jn_f1c" data-ofbid="ve_interface_design__section_ykl_2jn_f1c"><h2 class="- topic/title title sectiontitle">drv_ve_open</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_klt_y3n_f1c" data-ofbid="ve_interface_design__table_klt_y3n_f1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_ve_open</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_klt_y3n_f1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_klt_y3n_f1c__entry__2">struct aic_ve_client *drv_ve_open(void)</th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_klt_y3n_f1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_klt_y3n_f1c__entry__4">打开 VE 设备</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_klt_y3n_f1c__entry__1 ve_interface_design__table_klt_y3n_f1c__entry__3">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_klt_y3n_f1c__entry__2 ve_interface_design__table_klt_y3n_f1c__entry__4"></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_klt_y3n_f1c__entry__1 ve_interface_design__table_klt_y3n_f1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_klt_y3n_f1c__entry__2 ve_interface_design__table_klt_y3n_f1c__entry__4">VE 设备</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_klt_y3n_f1c__entry__1 ve_interface_design__table_klt_y3n_f1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_klt_y3n_f1c__entry__2 ve_interface_design__table_klt_y3n_f1c__entry__4">-</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="ve_interface_design__section_gdx_cjn_f1c" data-ofbid="ve_interface_design__section_gdx_cjn_f1c"><h2 class="- topic/title title sectiontitle">drv_ve_close</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_llt_y3n_f1c" data-ofbid="ve_interface_design__table_llt_y3n_f1c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">drv_ve_close</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_llt_y3n_f1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_llt_y3n_f1c__entry__2">int drv_ve_close(struct aic_ve_client *client)</th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_llt_y3n_f1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_llt_y3n_f1c__entry__4">关闭 VE 设备</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_llt_y3n_f1c__entry__1 ve_interface_design__table_llt_y3n_f1c__entry__3">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_llt_y3n_f1c__entry__2 ve_interface_design__table_llt_y3n_f1c__entry__4">clientVE 设备</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_llt_y3n_f1c__entry__1 ve_interface_design__table_llt_y3n_f1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_llt_y3n_f1c__entry__2 ve_interface_design__table_llt_y3n_f1c__entry__4">0成功其他失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_llt_y3n_f1c__entry__1 ve_interface_design__table_llt_y3n_f1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_llt_y3n_f1c__entry__2 ve_interface_design__table_llt_y3n_f1c__entry__4">-</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="ve_interface_design__section_ud5_4tf_d1c" data-ofbid="ve_interface_design__section_ud5_4tf_d1c"><h2 class="- topic/title title sectiontitle">IOC_VE_GET_CLIENT</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_wd5_4tf_d1c" data-ofbid="ve_interface_design__table_wd5_4tf_d1c" data-cols="2"><caption></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_wd5_4tf_d1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_wd5_4tf_d1c__entry__2"><span class="- topic/ph ph">int drv_ve_control(struct aic_ve_client *client, int cmd,
void *arg)</span></th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_wd5_4tf_d1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_wd5_4tf_d1c__entry__4">获取 VE 设备独占权限</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_wd5_4tf_d1c__entry__1 ve_interface_design__table_wd5_4tf_d1c__entry__3">参数</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_wd5_4tf_d1c__entry__2 ve_interface_design__table_wd5_4tf_d1c__entry__4">
<ul class="- topic/ul ul" id="ve_interface_design__ul_wqx_chp_bcc" data-ofbid="ve_interface_design__ul_wqx_chp_bcc"><li class="- topic/li li" data-ofbid="d71090e128__20250121171522">clientVE 设备</li><li class="- topic/li li" data-ofbid="d71090e130__20250121171522">CMDIOC_VE_GET_CLIENT</li><li class="- topic/li li" data-ofbid="d71090e132__20250121171522">argNULL</li></ul>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_wd5_4tf_d1c__entry__1 ve_interface_design__table_wd5_4tf_d1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_wd5_4tf_d1c__entry__2 ve_interface_design__table_wd5_4tf_d1c__entry__4">0成功。<p class="- topic/p p" data-ofbid="d71090e140__20250121171522">其他:失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_wd5_4tf_d1c__entry__1 ve_interface_design__table_wd5_4tf_d1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_wd5_4tf_d1c__entry__2 ve_interface_design__table_wd5_4tf_d1c__entry__4"></td></tr></tbody></table></div>
</section><section class="- topic/section section" id="ve_interface_design__section_xd5_4tf_d1c" data-ofbid="ve_interface_design__section_xd5_4tf_d1c"><h2 class="- topic/title title sectiontitle">IOC_VE_PUT_CLIENT</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_zd5_4tf_d1c" data-ofbid="ve_interface_design__table_zd5_4tf_d1c" data-cols="2"><caption></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_zd5_4tf_d1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_zd5_4tf_d1c__entry__2">int drv_ve_control(struct aic_ve_client *client, int cmd, void
*arg)</th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_zd5_4tf_d1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_zd5_4tf_d1c__entry__4">释放 VE 设备独占权限</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_zd5_4tf_d1c__entry__1 ve_interface_design__table_zd5_4tf_d1c__entry__3">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_zd5_4tf_d1c__entry__2 ve_interface_design__table_zd5_4tf_d1c__entry__4">
<ul class="- topic/ul ul" id="ve_interface_design__ul_bcq_bhp_bcc" data-ofbid="ve_interface_design__ul_bcq_bhp_bcc"><li class="- topic/li li" data-ofbid="d71090e175__20250121171522">clientVE 设备</li><li class="- topic/li li" data-ofbid="d71090e177__20250121171522">
<p class="- topic/p p" data-ofbid="d71090e179__20250121171522">CMDIOC_VE_PUT_CLIENT</p>
</li><li class="- topic/li li" data-ofbid="d71090e182__20250121171522">argNULL</li></ul>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_zd5_4tf_d1c__entry__1 ve_interface_design__table_zd5_4tf_d1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_zd5_4tf_d1c__entry__2 ve_interface_design__table_zd5_4tf_d1c__entry__4">0成功。<p class="- topic/p p" data-ofbid="d71090e190__20250121171522">其他:失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_zd5_4tf_d1c__entry__1 ve_interface_design__table_zd5_4tf_d1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_zd5_4tf_d1c__entry__2 ve_interface_design__table_zd5_4tf_d1c__entry__4">
<p class="- topic/p p" data-ofbid="d71090e197__20250121171522">-</p>
</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="ve_interface_design__section_a25_4tf_d1c" data-ofbid="ve_interface_design__section_a25_4tf_d1c"><h2 class="- topic/title title sectiontitle">IOC_VE_WAIT</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_c25_4tf_d1c" data-ofbid="ve_interface_design__table_c25_4tf_d1c" data-cols="2"><caption></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_c25_4tf_d1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_c25_4tf_d1c__entry__2">int drv_ve_control(struct aic_ve_client *client, int cmd, void
*arg)</th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_c25_4tf_d1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_c25_4tf_d1c__entry__4">等待 VE 驱动编解码完成,获取 VE 寄存器状态</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_c25_4tf_d1c__entry__1 ve_interface_design__table_c25_4tf_d1c__entry__3">参数</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_c25_4tf_d1c__entry__2 ve_interface_design__table_c25_4tf_d1c__entry__4">
<ul class="- topic/ul ul" id="ve_interface_design__ul_nzt_ygp_bcc" data-ofbid="ve_interface_design__ul_nzt_ygp_bcc"><li class="- topic/li li" data-ofbid="d71090e228__20250121171522">clientdrv_ve_open 返回的 VE 硬件实例</li><li class="- topic/li li" data-ofbid="d71090e230__20250121171522">cmdIOC_VE_WAIT</li><li class="- topic/li li" data-ofbid="d71090e232__20250121171522">arg指向 info 指针</li></ul>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_c25_4tf_d1c__entry__1 ve_interface_design__table_c25_4tf_d1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_c25_4tf_d1c__entry__2 ve_interface_design__table_c25_4tf_d1c__entry__4">0成功。<p class="- topic/p p" data-ofbid="d71090e240__20250121171522">其他:失败</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_c25_4tf_d1c__entry__1 ve_interface_design__table_c25_4tf_d1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_c25_4tf_d1c__entry__2 ve_interface_design__table_c25_4tf_d1c__entry__4">
<p class="- topic/p p" data-ofbid="d71090e247__20250121171522">-</p>
</td></tr></tbody></table></div>
</section><section class="- topic/section section" id="ve_interface_design__section_j25_4tf_d1c" data-ofbid="ve_interface_design__section_j25_4tf_d1c"><h2 class="- topic/title title sectiontitle">IOC_VE_RESET</h2>
<div class="table-container"><table class="- topic/table table frame-all" id="ve_interface_design__table_l25_4tf_d1c" data-ofbid="ve_interface_design__table_l25_4tf_d1c" data-cols="2"><caption></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_l25_4tf_d1c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_l25_4tf_d1c__entry__2">int drv_ve_control(struct aic_ve_client *client, int cmd, void
*arg)</th></tr><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="ve_interface_design__table_l25_4tf_d1c__entry__3">功能说明</th><th class="- topic/entry entry colsep-0 rowsep-1" id="ve_interface_design__table_l25_4tf_d1c__entry__4">VE 驱动硬件复位</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_l25_4tf_d1c__entry__1 ve_interface_design__table_l25_4tf_d1c__entry__3">参数</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_l25_4tf_d1c__entry__2 ve_interface_design__table_l25_4tf_d1c__entry__4">
<ul class="- topic/ul ul" id="ve_interface_design__ul_y25_vgp_bcc" data-ofbid="ve_interface_design__ul_y25_vgp_bcc"><li class="- topic/li li" data-ofbid="d71090e278__20250121171522">clientVE 设备</li><li class="- topic/li li" data-ofbid="d71090e280__20250121171522">cmdIOC_VE_RESET</li><li class="- topic/li li" data-ofbid="d71090e282__20250121171522">argNULL</li></ul>
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="ve_interface_design__table_l25_4tf_d1c__entry__1 ve_interface_design__table_l25_4tf_d1c__entry__3">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="ve_interface_design__table_l25_4tf_d1c__entry__2 ve_interface_design__table_l25_4tf_d1c__entry__4">0成功。<p class="- topic/p p" data-ofbid="d71090e290__20250121171522">-</p></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="ve_interface_design__table_l25_4tf_d1c__entry__1 ve_interface_design__table_l25_4tf_d1c__entry__3">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="ve_interface_design__table_l25_4tf_d1c__entry__2 ve_interface_design__table_l25_4tf_d1c__entry__4"></td></tr></tbody></table></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="#ve_interface_design__section_ykl_2jn_f1c" data-tocid="ve_interface_design__section_ykl_2jn_f1c">drv_ve_open</a></div></li><li class="section-item"><div class="section-title"><a href="#ve_interface_design__section_gdx_cjn_f1c" data-tocid="ve_interface_design__section_gdx_cjn_f1c">drv_ve_close</a></div></li><li class="section-item"><div class="section-title"><a href="#ve_interface_design__section_ud5_4tf_d1c" data-tocid="ve_interface_design__section_ud5_4tf_d1c">IOC_VE_GET_CLIENT</a></div></li><li class="section-item"><div class="section-title"><a href="#ve_interface_design__section_xd5_4tf_d1c" data-tocid="ve_interface_design__section_xd5_4tf_d1c">IOC_VE_PUT_CLIENT</a></div></li><li class="section-item"><div class="section-title"><a href="#ve_interface_design__section_a25_4tf_d1c" data-tocid="ve_interface_design__section_a25_4tf_d1c">IOC_VE_WAIT</a></div></li><li class="section-item"><div class="section-title"><a href="#ve_interface_design__section_j25_4tf_d1c" data-tocid="ve_interface_design__section_j25_4tf_d1c">IOC_VE_RESET</a></div></li></ul></div>
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