@@ -18,7 +18,7 @@ This subsystem offers various media services covering audio, videos, and cameras
-**Media**: provides playback and recording APIs for applications, and invokes the Gstreamer, Histreamer, or other engines through cross-process calling or direct calling.
- For the mini system, the media component invokes Histreamer to support audio playback.
- For the small system, the media component invokes recorder_lite to support audio/video recording and invokes player_lite by default to support audio/video playback. If the system variable **debug.media_service.histreamer** is set to **1**, the component invokes Histreamer to support audio/video playback. For details, see [syspara Module](https://device.harmonyos.com/en/docs/documentation/guide/subsys-boot-syspara-0000001063362360) or [syspara_lite](https://gitee.com/openharmony/startup_syspara_lite).
- For the small system, the media component invokes recorder_lite to support audio/video recording and invokes player_lite by default to support audio/video playback. If the system variable **debug.media_service.histreamer** is set to **1**, the component invokes Histreamer to support audio/video playback. For details, see [syspara Module](https://gitee.com/openharmony/docs/blob/master/en/device-dev/subsystems/subsys-boot-syspara.md) or [syspara_lite](https://gitee.com/openharmony/startup_syspara_lite).
- For the standard system, the media component invokes Gstreamer to support audio/video playback and recording.
-**Audio**: supports audio input and output, policy management, and audio focus management.
-**Camera**: provides camera operation APIs for preview, photographing, and video recording.
