Document --no-{video,audio}-playback

PR #4033 <https://github.com/Genymobile/scrcpy/pull/4033>

doc/audio.md

@@ -24,6 +24,8 @@ To disable audio:
 scrcpy --no-audio
 ```
 
+To disable only the audio playback, see [no playback](video.md#no-playback).
+
 ## Audio only
 
 To play audio only, disable the video:

doc/v4l2.md

@@ -35,7 +35,7 @@ To start `scrcpy` using a v4l2 sink:
 
 ```bash
 scrcpy --v4l2-sink=/dev/videoN
-scrcpy --v4l2-sink=/dev/videoN --no-playback  # disable playback window
+scrcpy --v4l2-sink=/dev/videoN --no-video-playback  # disable playback window
 ```
 
 (replace `N` with the device ID, check with `ls /dev/video*`)

doc/video.md

@@ -161,8 +161,8 @@ scrcpy --display-buffer=50 --v4l2-buffer=300
 
 ## No playback
 
-It is possible to capture an Android device without displaying a playback
-window. This option is available if either [recording](recording.md) or
+It is possible to capture an Android device without playing video or audio on
+the computer. This option is useful when [recording](recording.md) or when
 [v4l2](#video4linux) is enabled:
 
 ```bash
@@ -170,6 +170,16 @@ scrcpy --v4l2-sink=/dev/video2 --no-playback
 scrcpy --record=file.mkv --no-playback
 ```
 
+It is also possible to disable video and audio playback separately:
+
+```bash
+# Send video to V4L2 sink without playing it, but keep audio playback
+scrcpy --v4l2-sink=/dev/video2 --no-video-playback
+
+# Record both video and audio, but only play video
+scrcpy --record=file.mkv --no-audio-playback
+```
+
 
 ## No video