# 实时快照

Source: [https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-snapshot-stream-example.html](https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-snapshot-stream-example.html)

**gst-snapshot-stream-example** 程序使您能够创建两个流：预览流和快照流。预览流用于显示，而快照流采集快照并将其保存到 JPEG 格式的文件中。

对于快照流，可以确定要拍摄的快照数量。

下图显示了一个允许从同一视频源同时进行实时预览和快照采集的 pipeline。

更多信息，可参见[Pipeline 流程](https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-snapshot-stream-example.html#gst-snapshot-stream-example__section_lny_sly_nbc)。

Figure : gst-snapshot-stream-example pipeline
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)

## 前提条件

- 要访问主机设备，应启用 SSH。相关说明，可参见 [SSH 使用指南](https://docs.qualcomm.com/bundle/publicresource/topics/80-70015-254/how_to.html#how-to-ssh-)。
- 进入 SSH shell 并运行用例：

        ssh root@<ip-addr of the target device>Copy to clipboard
- 启用显示器：

        export XDG_RUNTIME_DIR=/dev/socket/weston && export WAYLAND_DISPLAY=wayland-1Copy to clipboard
- 从主机推送文件：

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

## 用例

- 运行用例。使用参数（如摄像头宽度、高度和转储 JPEG 文件的最大快照计数）指定程序。

        gst-snapshot-stream-example -W 1280 -H 720 -w 3840 -h 2160 -c 5Copy to clipboard
- 如需显示可用的帮助选项，可运行以下命令：

        gst-snapshot-stream-example --helpCopy to clipboard
- 如需停止用例，可按下 CTRL + C。

## 预期输出

程序生成输出以在显示器上预览，并将 JPEG 文件转储到设备上的相应位置。

用例停止后，快照输出文件位于 `/opt/` 路径下。

## Pipeline 流程

下表列出了实时快照 pipeline 中使用的插件：

| 插件 | 说明 |
| --- | --- |
| [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70015-50SC/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。 <br>在一个 pipeline 中，强制执行对原始视频数据的约束，然后将视频数据发送到 [Waylandsink](https://docs.qualcomm.com/doc/80-70015-50SC/topic/waylandsink.html) 以进行实时预览。 |
| Capsfilter | <ol class="ol" id="gst-snapshot-stream-example__ol_imm_wmy_nbc"><br>                                    <li class="li">在另一个 pipeline 中，使用 multi filesink 将帧写入多个文件。</li><br><br>                                    <li class="li">视频流中的快照或帧将保存到磁盘。</li><br><br>                                </ol> |
|  |  |

**Parent Topic:** [摄像头应用示例](https://docs.qualcomm.com/doc/80-70015-50SC/topic/camera-sample-applications.html)

Last Published: Nov 11, 2025

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