# 音视频播放

Source: [https://docs.qualcomm.com/doc/80-70014-50Y/topic/audio-video-playback.html](https://docs.qualcomm.com/doc/80-70014-50Y/topic/audio-video-playback.html)

该 pipeline 显示了一个 MP4 文件被解复用的音频-视频（AV）播放用例。视频流被解码并发送到显示器。音频流被解码并发送到扬声器。

以下用例描述了使用 MP3 和 FLAC 格式的单个 AV 播放。

如需停止用例，请按下 CTRL + C。

## 单个音频-视频播放（AVC 视频 + MP3 音频）

在 SSH shell 中运行以下命令：

    gst-launch-1.0 -e filesrc location=/opt/<AV_file_with_H264_video_and_MP3_audio>.mp4 ! qtdemux name=demux demux. ! queue ! h264parse ! v4l2h264dec capture-io-mode=5 output-io-mode=5 ! waylandsink fullscreen=true demux. ! queue ! mpegaudioparse ! mpg123audiodec ! pulsesink volume=10Copy to clipboard

下图显示了 pipeline 执行流程：

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

## 单个音频-视频播放（AVC 视频 + FLAC 音频）

在 SSH shell 中运行以下命令：

    gst-launch-1.0 -e filesrc location=/opt/<AV_file_with_H264_video_and_FLAC_audio>.mp4 ! qtdemux name=demux demux. ! queue ! h264parse ! v4l2h264dec capture-io-mode=5 output-io-mode=5 ! waylandsink fullscreen=true demux. ! queue ! flacparse ! flacdec ! pulsesink volume=10
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下图显示了 pipeline 执行流程：

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

**Parent Topic:** [音频-视频用例](https://docs.qualcomm.com/doc/80-70014-50Y/topic/audio-video-use-cases.html)

Last Published: Nov 11, 2025

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音频-视频用例](https://docs.qualcomm.com/bundle/publicresource/80-70014-50Y/topics/audio-video-use-cases.md) [Next Topic
音视频采集（H.264 视频编解码器 + MP3 音频编解码器）](https://docs.qualcomm.com/bundle/publicresource/80-70014-50Y/topics/audio-video-capture.md)