# 两个流数据流（均为 720p）- 每个摄像头各一个，采用并排拼接方式发送到显示屏

Source: [https://docs.qualcomm.com/doc/80-70014-50Y/topic/two-streams-both-720p-one-from-each-camera-with-side-by-side-stitching-sent-to-display.html](https://docs.qualcomm.com/doc/80-70014-50Y/topic/two-streams-both-720p-one-from-each-camera-with-side-by-side-stitching-sent-to-display.html)

pipeline 显示了分别从主摄像头和辅助摄像头中获取的两个数据流（均为 720p）。发送两个数据流进行并排合成，并显示。

运行命令以执行 pipeline：

    gst-launch-1.0 -e qtivcomposer name=mixer sink_0::position="<0, 0>" sink_0::dimensions="<640, 360>" sink_1::position="<640, 0>" sink_1::dimensions="<640, 360>" mixer. ! queue ! waylandsink enable-last-sample=false fullscreen=true qtiqmmfsrc name=camsrc_0 camera=0 ! video/x-raw\(memory:GBM\), format=NV12, width=1280, height=720, framerate=30/1, compression=ubwc ! mixer. qtiqmmfsrc name=camsrc_1 camera=1 ! video/x-raw\(memory:GBM\), format=NV12, width=1280, height=720, framerate=30/1, compression=ubwc ! mixer.Copy to clipboard

显示来自摄像头的合成流。

如需停止用例，请按下 CTRL + C。

下图显示了 pipeline 执行流程：

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

**Parent Topic:** [多摄像头/多客户端用例](https://docs.qualcomm.com/doc/80-70014-50Y/topic/multi-camera-multi-client-use-cases.html)

Last Published: Nov 11, 2025

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主摄像头各有两条数据流：4k AVC MP4、1080p YUV 预览为客户端 1；辅助摄像头：720p AVC、720p YUV 预览为客户端 2](https://docs.qualcomm.com/bundle/publicresource/80-70014-50Y/topics/two-streams-main-camera-4k-avc-mp4-1080p-yuv-preview-client1-scnd-camera-720p-avc-720p-yuv-client2.md) [Next Topic
两个数据流（均为 720p）- 每个摄像头各一个，采用并排拼接方式发送并编码以进行文件保存和 RTSP 流传输](https://docs.qualcomm.com/bundle/publicresource/80-70014-50Y/topics/two-streams-both-720p-one-from-each-camera-with-side-by-side-stitching-sent-to-encode-for-filesave-and-rtsp-streaming.md)