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Add support for USB HID keyboard over AOAv2

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This provides a better input experience, by simulating a physical
keyboard. It converts SDL keyboard events to proper HID events, and send
them over AOAv2.

This is a rewriting and bugfix of the origin code from @amosbird:
<https://github.com/Genymobile/scrcpy/issues/279#issuecomment-453819354>

The feature is enabled the command line option -K or --hid-keyboard,
and is only available on Linux, over USB.

Refs <https://source.android.com/devices/accessories/aoa2#hid-support>
Refs <https://www.usb.org/sites/default/files/hid1_11.pdf>

PR #2632 <https://github.com/Genymobile/scrcpy/pull/2632>

Signed-off-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
Alynx Zhou
2021-09-10 18:57:35 +08:00
committed by Romain Vimont
parent f7d1efdf1d
commit 207082977a
11 changed files with 939 additions and 11 deletions
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10
BUILD.md
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@@ -14,7 +14,8 @@ First, you need to install the required packages:
# for Debian/Ubuntu
sudo apt install ffmpeg libsdl2-2.0-0 adb wget \
gcc git pkg-config meson ninja-build libsdl2-dev \
libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev
libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
libusb-1.0-0 libusb-dev
```
Then clone the repo and execute the installation script
@@ -88,11 +89,12 @@ Install the required packages from your package manager.
```bash
# runtime dependencies
sudo apt install ffmpeg libsdl2-2.0-0 adb
sudo apt install ffmpeg libsdl2-2.0-0 adb libusb-1.0-0
# client build dependencies
sudo apt install gcc git pkg-config meson ninja-build libsdl2-dev \
libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev
libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
libusb-dev
# server build dependencies
sudo apt install openjdk-11-jdk
@@ -114,7 +116,7 @@ pip3 install meson
sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
# client build dependencies
sudo dnf install SDL2-devel ffms2-devel meson gcc make
sudo dnf install SDL2-devel ffms2-devel libusb-devel meson gcc make
# server build dependencies
sudo dnf install java-devel