Scrcpy crashes when using --no-window mode and turning off the PC's monitor

[SadSock]

Environment

• OS: ubuntu 24.10
• Scrcpy version: 3.1
• Installation method: brew
• Device model: xiaomi
• Android version: 14

Describe the bug

1. Start scrcpy with scrcpy --v4l2-sink=/dev/video0 --no-window --audio-source=playback --audio-dup

2. Turn off the PC's monitor

[rom1v]

What's the error? (something is written in chinese in the screenshot)

Please post the console output as text.

Can you reproduce with scrcpy --record=file.mp4 --no-window?

[SadSock]

What's the error? (something is written in chinese in the screenshot)

Please post the console output as text.

Can you reproduce with scrcpy --record=file.mp4 --no-window?

still crash, the output is

C(base) xwu@5600g:~$ scrcpy --record=file.mp4 --no-window
scrcpy 3.1 <https://github.com/Genymobile/scrcpy>
INFO: ADB device found:
INFO:     -->   (usb)  8f5dca0c                        device  2211133C
/home/linuxbrew/.linuxbrew/Cellar/scrcpy/3.1/share/scrcpy/scrcpy-server: 1 file pushed, 0 skipped. 138.2 MB/s (90640 bytes in 0.001s)
[server] INFO: Device: [Xiaomi] Xiaomi 2211133C (Android 15)
INFO: Recording started to mp4 file: file.mp4
WARN: [FFmpeg] track 1: codec frame size is not set
段错误

段错误 is Segmentation fault

[rom1v]

I cannot reproduce.

It seems you installed the binary from linuxbrew. Can you reproduce the problem with:

• the official static binary
• the install script

?

[SadSock]

I cannot reproduce.

It seems you installed the binary from linuxbrew. Can you reproduce the problem with:

• the official static binary

• the install script

?

the official static binary is also crash.

(base) xwu@5600g:~/Downloads/scrcpy-linux-x86_64-v3.1$ ./scrcpy --v4l2-sink=/dev/video0 --no-window --audio-source=playback --audio-dup
scrcpy 3.1 <https://github.com/Genymobile/scrcpy>
INFO: ADB device found:
INFO:     -->   (usb)  8f5dca0c                        device  2211133C
/home/xwu/Downloads/scrcpy-linux-x86_64-v3.1/scrcpy-server: 1 file pushed, 0 skipped. 113.6 MB/s (90640 bytes in 0.001s)
[server] INFO: Device: [Xiaomi] Xiaomi 2211133C (Android 15)
INFO: v4l2 sink started to device: /dev/video0
段错误

[rom1v]

ulimit -c unlimited
./scrcpy --record=file.mp4 --no-window  # make it crash
# it will generate a core dump in the current directory, a file core.NUMBER
gdb ./scrcpy ./core.NUMBER  # adapt NUMBER

What's the output?

[SadSock]

ulimit -c unlimited
./scrcpy --record=file.mp4 --no-window # make it crash
it will generate a core dump in the current directory, a file core.NUMBER
gdb ./scrcpy ./core.NUMBER # adapt NUMBER

What's the output?

I can not find core dump file on Ubuntu 24.10

[rom1v]

Let's do differently, by compiling the client with ASAN enabled:

sudo apt install ffmpeg libsdl2-2.0-0 adb \
                 gcc git pkg-config meson ninja-build libsdl2-dev \
                 libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
                 libswresample-dev libusb-1.0-0 libusb-1.0-0-dev
git clone https://github.com/Genymobile/scrcpy
cd scrcpy
meson setup x --buildtype=debug -Db_sanitize=address \
    -Dprebuilt_server=/home/xwu/Downloads/scrcpy-linux-x86_64-v3.1/scrcpy-server
meson compile -Cx

Then run:

meson devenv -Cx
scrcpy --record=file.mp4 --no-window

Once it crashes, you should get a stack trace.