# 音频和视频编码

Source: [https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-audio-video-encode.html](https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-audio-video-encode.html)

**gst-audio-video-encode** 程序可对音频和视频数据进行编码，这些数据存储在用户指定的输出文件中。此程序的一些常见用例包括流媒体服务、视频会议和监控系统。

下图显示了接收视频和音频源、编码和解析视频流的 pipeline。然后，它采集音频流并将其编码为 MP3 格式。两个流都是多路复用的，并写入一个文件。

有关 pipeline 中使用的插件的信息，可参见[Pipeline 流程](https://docs.qualcomm.com/doc/80-70015-50SC/topic/gst-audio-video-encode.html#gst-audio-video-encode__section_mj1_yfn_4bc)。

Figure : gst-audio-video-encode pipeline
            ![](data:image/png;base64,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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

下表列出了 gst-audio-video-encode 程序的常见用例可以执行的操作：| 用例 | 操作 |
| --- | --- |
| 流媒体服务 | 对音频和视频流进行编码，以便进行实时 Internet 流传输。 |
| 安全摄像头 | 反转或旋转视频图像以补偿摄像头安装不当的情况。 |
| 增强现实 | 缩放或旋转视频源以与虚拟组件同步。 |

使用以下语法命令运行用例：

    gst-audio-video-encode -w <width> -h <height> -c <input-codec> -o /opt/<output-file>.mp4Copy to clipboard

下表提供了命令行参数的说明：| 命令行参数 | 说明 |
| --- | --- |
| `-w` | 指定摄像头宽度 |
| `-h` | 指定摄像头高度 |
| `-c` | 指定输入文件的视频 codec：<ul class="ul" id="gst-audio-video-encode__ul_sm4_hpt_4bc"><br>                                    <li class="li"><code class="ph codeph">1</code> = AVC (H.264)</li><br><br>                                    <li class="li"><code class="ph codeph">2</code> = HEVC (H.265)</li><br><br>                                </ul> |
| `output-file` | 提供输出文件的绝对路径 |

使用以下命令运行视频编码用例：
- AVC：

        gst-audio-video-encode -w 1920 -h 1080 -c 1 -o /opt/audiovideo.mp4Copy to clipboard
- HEVC：

        gst-audio-video-encode -w 1920 -h 1080 -c 2 -o /opt/audiovideo.mp4Copy to clipboard

如需停止用例，可按下 CTRL + C。

## 预期输出

编码的音频和视频流将多路复用到 MP4 容器并写入文件。

从主机拉取文件：

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

## Pipeline 流程

下表列出了用于运行音视频流编码 pipeline 的插件：| 插件 | 说明 |
| --- | --- |
| [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70015-50SC/topic/qtiqmmfsrc.html) 和 capsfilter | 采集媒体流。 |
| [v4l2h264enc](https://docs.qualcomm.com/doc/80-70015-50SC/topic/v4l2h264enc.html) | 将视频编码为 AVC (H.264) 格式。 |
| [v4l2h265enc](https://docs.qualcomm.com/doc/80-70015-50SC/topic/v4l2h265enc.html) | 将视频编码为 HEVC (H.265) 格式。 |
| h264parse | 解析 H.264 视频流。 |
| h265parse | 解析 H.265 视频流。 |
| [pulsesrc](https://docs.qualcomm.com/doc/80-70015-50SC/topic/pulsesrc.html) | 从流中采集音频，该流使用 capsfilter 进行筛选。 |
| audioconvert | 转换音频进行编码。 |
| lamemp3enc | 以 MP3 格式对音频进行编码。 |
| mp4mux | 将编码的视频和音频多路复用到 MP4 容器中。 |
| filesink | 将流写入文件。 |

**Parent Topic:** [视频和音频的示例程序](https://docs.qualcomm.com/doc/80-70015-50SC/topic/audio-sample-applications.html)

Last Published: Nov 11, 2025

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