Forward audio #3703
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Forward audio #3703
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yume-chan
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For the initial connection between the device and the computer, an adb
tunnel is established (with "adb reverse" or "adb forward").
The device-side of the tunnel is a local socket having the hard-coded
name "scrcpy". This may cause issues when several scrcpy instances are
started in a few seconds for the same device, since they will try to
bind the same name.
To avoid conflicts, make the client generate a random UID, and append
this UID to the local socket name ("scrcpy_01234567").
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Replaced by #3757 |
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Related to #14
Android version support:
com.android.shellpackage doesn't haveRECORD_AUDIOpermission declared.FakePackageNameContexthack to "fix" Android permission check.FakePackageNameContexthack to "fix" Android permission check. No "Share heap dump" hack required.New option:
--no-forward-audioon client side,forward_audioon server side. Forwarding is enabled by default.Socket order:
video -> [control] -> [audio]
Control and audio sockets may be absent if
--no-controlor--no-forward-audiois specified, but the order is maintained.Audio compression:
No compression used, so the audio stream can be easily played at client side. The bandwidth is 48000Hz x 16bits x 2 channels = 1536000 bits =192000 bytes = 192KB = 187.5KiB per second, so I don't think it needs compression (at least on wired connection).
Latency:
The latency is around 30ms, tested in a rhythm game. And in one hour of continue using, the latency is seemingly increasing. Maybe it still requires packet header and time-stamping.