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90 lines
1.9 KiB
Markdown
90 lines
1.9 KiB
Markdown
# Recording
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To record video and audio streams while mirroring:
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```bash
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scrcpy --record=file.mp4
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scrcpy -r file.mkv
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```
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To record only the video:
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```bash
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scrcpy --no-audio --record=file.mp4
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```
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To record only the audio:
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```bash
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scrcpy --no-video --record=file.opus
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scrcpy --no-video --audio-codec=aac --record=file.aac
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scrcpy --no-video --audio-codec=flac --record=file.flac
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scrcpy --no-video --audio-codec=raw --record=file.wav
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# .m4a/.mp4 and .mka/.mkv are also supported for opus, aac and flac
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```
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Timestamps are captured on the device, so [packet delay variation] does not
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impact the recorded file, which is always clean (only if you use `--record` of
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course, not if you capture your scrcpy window and audio output on the computer).
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[packet delay variation]: https://en.wikipedia.org/wiki/Packet_delay_variation
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## Format
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The video and audio streams are encoded on the device, but are muxed on the
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client side. Several formats (containers) are supported:
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- MP4 (`.mp4`, `.m4a`, `.aac`)
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- Matroska (`.mkv`, `.mka`)
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- OPUS (`.opus`)
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- FLAC (`.flac`)
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- WAV (`.wav`)
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The container is automatically selected based on the filename.
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It is also possible to explicitly select a container (in that case the filename
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needs not end with a known extension):
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```
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scrcpy --record=file --record-format=mkv
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```
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## Rotation
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The video can be recorded rotated. See [video
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orientation](video.md#orientation).
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## No playback
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To disable playback while recording:
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```bash
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scrcpy --no-playback --record=file.mp4
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scrcpy -Nr file.mkv
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# interrupt recording with Ctrl+C
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```
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It is also possible to disable video and audio playback separately:
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```bash
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# Record both video and audio, but only play video
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scrcpy --record=file.mkv --no-audio-playback
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```
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## Time limit
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To limit the recording time:
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```bash
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scrcpy --record=file.mkv --time-limit=20 # in seconds
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```
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The `--time-limit` option is not limited to recording, it also impacts simple
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mirroring:
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```
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scrcpy --time-limit=20
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```
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