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Configure clean up actions dynamically #4649

Merged
merged 1 commit into from
Feb 17, 2024
Merged

Configure clean up actions dynamically #4649

merged 1 commit into from
Feb 17, 2024

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rom1v
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@rom1v rom1v commented Feb 5, 2024

Some actions may be performed when scrcpy exits, currently:

  • disable "show touches"
  • restore "stay on while plugged in"
  • power off screen
  • restore "power mode" (to disable "turn screen off")

They are performed from a separate process so that they can be executed even when scrcpy-server is killed (e.g. if the device is unplugged).

The clean up actions to perform were configured when scrcpy started. Given that there is no method to read the current "power mode" in Android, and that "turn screen off" can be applied at any time using an scrcpy shortcut, there was no way to determine if "power mode" had to be restored on exit. Therefore, it was always restored to "normal", even when not necessary.

However, setting the "power mode" is quite fragile on some devices, and may cause some issues, so it is preferable to call it only when necessary (when "turn screen off" has actually been called).

For that purpose, make the scrcpy-server main process and the clean up process communicate the actions to perform over the stdout/stdin, so that they can be changed dynamically. In particular, when the power mode is changed at runtime, notify the clean up process.

Refs 1beec99
Refs #4456
Refs #4624

rom1v added a commit that referenced this pull request Feb 5, 2024
Some actions may be performed when scrcpy exits, currently:
 - disable "show touches"
 - restore "stay on while plugged in"
 - power off screen
 - restore "power mode" (to disable "turn screen off")

They are performed from a separate process so that they can be executed
even when scrcpy-server is killed (e.g. if the device is unplugged).

The clean up actions to perform were configured when scrcpy started.
Given that there is no method to read the current "power mode" in
Android, and that "turn screen off" can be applied at any time using an
scrcpy shortcut, there was no way to determine if "power mode" had to be
restored on exit. Therefore, it was always restored to "normal", even
when not necessary.

However, setting the "power mode" is quite fragile on some devices, and
may cause some issues, so it is preferable to call it only when
necessary (when "turn screen off" has actually been called).

For that purpose, make the scrcpy-server main process and the clean up
process communicate the actions to perform over the stdout/stdin, so
that they can be changed dynamically. In particular, when the power mode
is changed at runtime, notify the clean up process.

Refs 1beec99
Refs #4456 <#4456>
Refs #4624 <#4624>
PR #4649 <#4649>
Some actions may be performed when scrcpy exits, currently:
 - disable "show touches"
 - restore "stay on while plugged in"
 - power off screen
 - restore "power mode" (to disable "turn screen off")

They are performed from a separate process so that they can be executed
even when scrcpy-server is killed (e.g. if the device is unplugged).

The clean up actions to perform were configured when scrcpy started.
Given that there is no method to read the current "power mode" in
Android, and that "turn screen off" can be applied at any time using an
scrcpy shortcut, there was no way to determine if "power mode" had to be
restored on exit. Therefore, it was always restored to "normal", even
when not necessary.

However, setting the "power mode" is quite fragile on some devices, and
may cause some issues, so it is preferable to call it only when
necessary (when "turn screen off" has actually been called).

For that purpose, make the scrcpy-server main process and the clean up
process communicate the actions to perform over a pipe (stdin/stdout),
so that they can be changed dynamically. In particular, when the power
mode is changed at runtime, notify the clean up process.

Refs 1beec99
Refs #4456 <#4456>
Refs #4624 <#4624>
PR #4649 <#4649>
@rom1v rom1v merged commit 9efa162 into dev Feb 17, 2024
armm29393 added a commit to armm29393/scrcpy-root that referenced this pull request May 24, 2024
scrcpy v2.4

Changes since v2.3.1:
 - Add UHID keyboard and mouse support (Genymobile#4473)
 - Simulate tilt multitouch by pressing Shift (Genymobile#4529)
 - Add rotation support for non-default display (Genymobile#4698)
 - Improve audio player (Genymobile#4572)
 - Adapt to display API changes in Android 15 (Genymobile#4646, Genymobile#4656, Genymobile#4657)
 - Adapt audio workarounds to Android 14 (Genymobile#4492)
 - Fix clipboard for IQOO devices on Android 14 (Genymobile#4492, Genymobile#4589, Genymobile#4703)
 - Fix integer overflow for audio packet duration (Genymobile#4536)
 - Rework cleanup (Genymobile#4649)
 - Upgrade FFmpeg to 6.1.1 in Windows releases (Genymobile#4713)
 - Upgrade libusb to 1.0.27 in Windows releases (Genymobile#4713)
 - Various technical fixes
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