# 视频合成

Source: [https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-weston-composition-example.html](https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-weston-composition-example.html)

此 **gst-weston-composition-example** 程序使您能够使用两种格式画中画(PiP)和并排在屏幕上排列实时摄像头输入或离线文件。此程序的一些用例是视频会议和在线教育课程。

该 `gst-weston-composition-example` 程序涉及多个 pipeline 和组件。关于更多详细信息，请参阅[Pipeline 流程](https://docs.qualcomm.com/doc/80-70014-50Y/topic/gst-weston-composition-example.html#gst-weston-composition-example__section_wng_xcv_4bc)。

Figure : gst-weston-composition-example 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

下表列出了通过 gst-weston-composition-example 程序支持的用例：| 用例 | 说明 |
| --- | --- |
| 视频会议 | <ul class="ul" id="gst-weston-composition-example__ul_wrw_5tf_4bc"><br>                                    <li class="li">同时显示来自多个参与者的多个视频流。</li><br><br>                                    <li class="li">视频可以并排显示或画中画（PiP）格式。</li><br><br>                                    <li class="li">这在程序管理多个视频流的多方视频会议场景中非常有用。</li><br><br>                                </ul> |
| 在线教育 | 通过启用教学视频的并排或画中画(PiP)显示来增强学习体验 |

对于画中画(PiP)和并排画，您可以使用其中 [qtivcomposer](https://docs.qualcomm.com/doc/80-70014-50Y/topic/qtivcomposer.html) 任何一个 [Waylandsink](https://docs.qualcomm.com/doc/80-70014-50Y/topic/waylandsink.html) 插件。执行以下操作以使用任一插件执行用例：

1. 将 MP4 文件加载到设备上。
2. 使用以下命令执行程序：
    - Waylandsink：
        - 组成画中画：

                gst-weston-composition-example -c 0 -t 0 -i /opt/<h264_file>.mp4Copy to clipboard
        - 并排组成：

                gst-weston-composition-example -c 0 -t 1 -i /opt/<h264_file>.mp4Copy to clipboard
    - qtivcomposer
        - 组成画中画：

                gst-weston-composition-example -c 1 -t 0 -i /opt/<h264_file>.mp4Copy to clipboard
        - 并排组成：

                gst-weston-composition-example -c 1 -t 1 -i /opt/<h264_file>.mp4Copy to clipboard

如需停止用例，请按下 CTRL + C。

下表提供了命令行参数的说明：| 命令行参数 | 说明 |
| --- | --- |
| `-c` | 指定合成器：<ul class="ul" id="gst-weston-composition-example__ul_uyk_vfv_4bc"><br>                                    <li class="li"><code class="ph codeph">0</code> = Waylandsink</li><br><br>                                    <li class="li"><code class="ph codeph">1</code> = qtivcomposer</li><br><br>                                </ul> |
| `-t` | 指定合成类型：<ul class="ul" id="gst-weston-composition-example__ul_ssv_bgv_4bc"><br>                                    <li class="li"><code class="ph codeph">0</code> = 画中画</li><br><br>                                    <li class="li"><code class="ph codeph">1</code> = 并排</li><br><br>                                </ul> |
| `-i` | 指定输入视频文件的绝对路径。 |

## 预期输出

视频以画中画呈现，并在屏幕上并排显示。

![](data:image/png;base64,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)

## Pipeline 流程

下表列出了用于执行视频合成 pipeline 的插件：| 插件 | 说明 |
| --- | --- |
| [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70014-50Y/topic/qtiqmmfsrc.html) | 从源采集视频。 |
| capsfilter | 过滤视频文件。 |
| filesrc | 读取视频数据。 |
| qtdemux | 对视频数据进行解析。 |
| h264parse | 解析 H.264 视频。 |
| [v4l2h264dec](https://docs.qualcomm.com/doc/80-70014-50Y/topic/v4l2h264dec.html) | 从文件中解码 H.264 视频。 |
| qtivcomposer | 合成解码的视频。<br>Note: 您可以使用 qtivcomposer，也可以直接使用 Waylandsink 插件来合成视频流。 |
| Waylandsink | 在 Wayland 显示屏上合成和渲染视频。 |

**Parent Topic:** [视频和音频的示例程序](https://docs.qualcomm.com/doc/80-70014-50Y/topic/audio-sample-applications.html)

Last Published: Nov 11, 2025

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