# 在 runtime 添加-删除流

Source: [https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-add-remove-streams-runtime.html](https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-add-remove-streams-runtime.html)

使用 **gst-add-remove-streams-runtime** 程序，您可以在 runtime 动态添加或删除多个摄像头流。

该图显示了 pipeline，其中演示了程序通过摄像头重新配置在 runtime 添加或删除流的能力。它创建三个流，并按不同的顺序添加或删除它们。

有关 pipeline 中使用的插件的信息，请参阅 [Pipeline 流程](https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-add-remove-streams-runtime.html#gst-add-remove-streams-runtime__section_qpq_jmb_pbc)。
Figure : gst-add-remove-streams-runtime pipeline
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)

## 前提条件

- 在 Permissive 模式下启用 SSH 以安全访问主机设备。相关说明，可参见 [SSH 使用指南](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-254/how_to.html#how-to-ssh-)
- 使用以下命令进入 SSH shell 并执行用例：

        ssh root@<ip-addr of the target device>Copy to clipboard
- 运行以下命令以启用 Permissive 模式：

        setenforce 0Copy to clipboard
- 运行以下命令，开启显示屏：

        export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard
- 运行以下命令，从主机推送文件：

        scp <filename> root@<IP address of target device>:/opt/Copy to clipboard

## 用例

使用以下命令验证多个流是否可以同时运行而不会相互干扰。

    gst-add-remove-streams-runtime <OPTION>Copy to clipboard

运行以下命令以针对各种用例执行程序：

- 显示器上的默认模式预览：

        gst-add-remove-streams-runtimeCopy to clipboard
- 预览流：

        gst-add-remove-streams-runtime -o DisplayCopy to clipboard
- 对流进行编码：

        gst-add-remove-streams-runtime -o FileCopy to clipboard

使用以下命令从主机拉取文件：

    scp root@<IP address of target device>:/opt/ <destination directory>Copy to clipboard

如需显示可用的帮助选项，可运行以下命令：

    gst-add-remove-streams-runtime --helpCopy to clipboard

如需停止用例，请按下 CTRL + C。

## 预期输出

- 如果选择执行预览用例，则流将显示在屏幕上。
- 如果选择执行编码流用例，则编码的流将保存在 /opt/video\_%d.mp4。

Figure : gst-add-remove-streams-runtime 程序的预期输出
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)

## Pipeline 流程

下表列出了用于在 runtime pipeline 中执行添加-删除流的插件：

| 插件 | 说明 |
| --- | --- |
| [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70014-50Y/topic/qtiqmmfsrc.html) | 采集视频流并将其送到 capsfilter 中。 |
| Capsfilter | 将源分支为两个单独的 pipeline。在一个 pipeline 中，输出被发送到 [Waylandsink](https://docs.qualcomm.com/doc/80-70014-50Y/topic/waylandsink.html) 进行显示。 |
| Capsfilter | <ul class="ul" id="gst-add-remove-streams-runtime__ul_jdq_mmy_nbc"><br>                                    <li class="li">在另一个 pipeline 中，视频将经历以下操作：<ol class="ol" id="gst-add-remove-streams-runtime__ol_lmr_dly_nbc"><br>                                            <li class="li">使用 <a href="https://docs.qualcomm.com/doc/80-70014-50Y/topic/v4l2h264enc.html">v4l2h264enc</a> 编码。</li><br><br>                                            <li class="li">用 h264parse 解析。</li><br><br>                                            <li class="li">使用 mp4mux 多路复用成 MP4 格式。</li><br><br>                                        </ol><br></li><br><br>                                </ul> |
|  |  |

**Parent Topic:** [动态配置](https://docs.qualcomm.com/doc/80-70014-50Y/topic/dynamic-configuration.html)

Last Published: Nov 11, 2025

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摄像头帧处理](https://docs.qualcomm.com/bundle/publicresource/80-70014-50Y/topics/gst-appsink-example.md)