# 入门指南

Source: [https://docs.qualcomm.com/doc/80-70014-20Y/topic/samples.html](https://docs.qualcomm.com/doc/80-70014-20Y/topic/samples.html)

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

## 前提条件

- 按照 [Qualcomm Linux 编译指南](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-254Y/introduction.html)中所述设置基础架构。
- [将最新软件版本刷写](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-254Y/flash_images_unregistered.html)到 RB3 Gen2 开发板。
- 设置 SSH 连接：
    1. 通过执行[如何使用 SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-254Y/how_to.html#how-to-ssh-) 中提到的步骤，在 Permissive 模式下启用 SSH。
    2. 要连接到设备，可运行以下命令：
ssh root@<device_IP_address>Copy to clipboard

        例如，如果设备的 IP 地址为 10.92.160.222，可运行以下命令：

ssh root@10.92.160.222Copy to clipboard

## 验证

要验证 VPU 驱动程序是否已正确加载，以及解码和编码是否已分载到 VPU，参见[验证](https://docs.qualcomm.com/doc/80-70014-20Y/topic/bring-up.html)。

## 验证

通过使用 V4L2 接口或使用 QIM SDK 框架，可以在原生层有效地使用视频功能。Qualcomm 提供基于 V4L2 和 GStreamer 的示例应用程序，使您能够运行示例用例。

**V4L2 示例**

`iris_v4l2_test` 是一个简单的视频测试程序，它使用 Linux V4L2 接口来模拟几个基本的编码器和解码器行为。有关详细信息，参见[示例 V4L2 应用程序](https://github.com/quic/v4l-video-test-app)。

**GStreamer 示例**

用于视频播放的示例 Gstreamer 应用程序是 QIM SDK 的一部分。要详细了解 GStreamer 应用程序的前提条件，可参见[示例应用程序](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-50Y/example-applications.html)。

下表列出了方法和示例视频测试用例：

| 方法 | 用例 |
| --- | --- |
| 使用 `gst-launch-1-0` | [仅视频播放](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-50Y/video-playback-use-cases.html) |
| 使用 `gst-launch-1-0` | [音频和视频播放](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-50Y/audio-video-playback.html) |
| 使用 `gst-launch-1-0` | [视频录制](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-50Y/camera-and-video-encode.html) |
| 使用 GST 应用程序 | [视频播放和录制](https://docs.qualcomm.com/bundle/publicresource/topics/80-70014-50Y/gst-video-playback-example.html) |
|  |  |
|  |  |

Last Published: Aug 22, 2024

[Previous Topic
概述](https://docs.qualcomm.com/bundle/publicresource/80-70014-20Y/topics/overview.md) [Next Topic
功能](https://docs.qualcomm.com/bundle/publicresource/80-70014-20Y/topics/features.md)