To start screen recording on an Android TV via ADB, use the built-in screenrecord command.
Start recording
adb shell screenrecord /sdcard/tv_recording.mp4
The recording continues until you press Ctrl+C or until the maximum duration is reached (default limit is typically 180 seconds on many Android versions).
Record for a specific duration
Example: 60 seconds
adb shell screenrecord --time-limit 60 /sdcard/tv_recording.mp4
Set bitrate
Example: 8 Mbps
adb shell screenrecord --bit-rate 8000000 /sdcard/tv_recording.mp4
Set resolution
Example: 1920×1080
adb shell screenrecord --size 1920x1080 /sdcard/tv_recording.mp4
Pull the recording to your computer
adb pull /sdcard/tv_recording.mp4
Record and save directly on your computer
If your Android TV supports streaming screenrecord output:
adb exec-out screenrecord --output-format=h264 - | ffmpeg -f h264 -i - recording.mp4
Check available options
adb shell screenrecord --help
Verify device connection
adb devices
If you're getting a black video, DRM-protected content, or recording from a specific Android TV model (Sony, TCL, Chromecast with Google TV, Fire TV, etc.), let me know the device and Android version and I can suggest model-specific workarounds.
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