Getting random error "pts has no value"

[theninthsky]

Environment

• OS: Windows
• scrcpy version: 2.3.1
• installation method: Windows release
• device model: Levono Legion Y700 (2023)
• Android version: 13

Describe the bug
Sometimes, right when I start recording, my terminal immediately gets spammed with these errors:

[server] INFO: Device: [Lenovo] Lenovo TB320FC (Android 13)
[server] DEBUG: Creating encoder by name: 'OMX.qcom.video.encoder.hevc'
DEBUG: Server connected
DEBUG: Starting controller thread
DEBUG: Starting receiver thread
INFO: Recording started to mp4 file: file.mp4
DEBUG: Demuxer 'video': starting thread
DEBUG: Demuxer 'audio': starting thread
[server] DEBUG: Using audio encoder: 'c2.android.aac.encoder'
WARN: [FFmpeg] track 1: codec frame size is not set
[server] WARN: Could not get any audio timestamp
WARN: [FFmpeg] Packet duration: 5206291712 / dts: 5206292736 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206292735 / dts: 5206293760 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206293758 / dts: 5206294784 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206294781 / dts: 5206295808 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206295804 / dts: 5206296832 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206296827 / dts: 5206297856 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206297850 / dts: 5206298880 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206298873 / dts: 5206299904 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206299896 / dts: 5206300928 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206300919 / dts: 5206301952 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206301942 / dts: 5206302976 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206302965 / dts: 5206304000 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206303988 / dts: 5206305024 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206305011 / dts: 5206306048 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206306034 / dts: 5206307072 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206307057 / dts: 5206308096 is out of range
WARN: [FFmpeg] pts has no value
WARN: [FFmpeg] Packet duration: 5206308080 / dts: 5206309120 is out of range
WARN: [FFmpeg] pts has no value

I have no other choice than to abort the recording, and the recording file is damaged (it has size but it's unplayable).

[rom1v]

Does audio forwarding work if you don't record?

Please try with this additional log:

diff --git a/server/src/main/java/com/genymobile/scrcpy/AudioCapture.java b/server/src/main/java/com/genymobile/scrcpy/AudioCapture.java
index e3de50e63..a4e87bd11 100644
--- a/server/src/main/java/com/genymobile/scrcpy/AudioCapture.java
+++ b/server/src/main/java/com/genymobile/scrcpy/AudioCapture.java
@@ -161,6 +161,7 @@ public final class AudioCapture {
 
         long durationUs = r * 1000000 / (CHANNELS * BYTES_PER_SAMPLE * SAMPLE_RATE);
         nextPts = pts + durationUs;
+        Ln.d("pts=" + pts + "; duration=" + durationUs);
 
         if (previousPts != 0 && pts < previousPts + ONE_SAMPLE_US) {
             // Audio PTS may come from two sources:

Here is a binary, replace the file in your folder of scrcpy 2.3.1:

• scrcpy-server SHA-256: 5e9ade0b488cb3b99e797640e899ab6e7c2f4258ee2612045212c16dabbcc06

Then run:

scrcpy -Vdebug

[theninthsky]

@rom1v
I replaced my scrcpy-server file with yours and ran your debug command.
Yes, audio forwarding works just fine, I can hear the music coming out of my computer's screen.

Here is the command that I'm using when recording (if it helps):

scrcpy --audio-codec=aac --audio-bit-rate=384K --video-codec=h265 --video-encoder=OMX.qcom.video.encoder.hevc --video-bit-rate=40M --max-fps=60 --no-playback --verbosity=verbose --record=file.mp4

[rom1v]

my scrcpy-server file with yours and ran your debug command.

I'm interested in the full console output 😁

[theninthsky]

@rom1v
Of course, my bad.

C:\Users\Almog\Downloads\scrcpy-win64-v2.3.1>scrcpy -Vdebug
scrcpy 2.3.1 <https://github.com/Genymobile/scrcpy>
INFO: ADB device found:
INFO:     -->   (usb)              HA1W2C1F            device  TB320FC
DEBUG: Device serial: HA1W2C1F
DEBUG: Using server (portable): C:\Users\Almog\Downloads\scrcpy-win64-v2.3.1\scrcpy-server
C:\Users\Almog\Downloads\scrcpy-win64-v2.3.1\scrcpy-server...ile pushed, 0 skipped. 121.5 MB/s (103862 bytes in 0.001s)
[server] INFO: Device: [Lenovo] Lenovo TB320FC (Android 13)
DEBUG:[server] DEBUG: Using audio encoder: 'c2.android.opus.encoder'
 Server connected
DEBUG: Starting controller thread
DEBUG: Starting receiver thread
[server] DEBUG: Using video encoder: 'c2.qti.avc.encoder'
INFO: Renderer: direct3d
DEBUG: Trilinear filtering disabled (not an OpenGL renderer
DEBUG: Using icon (portable): C:\Users\Almog\Downloads\scrcpy-win64-v2.3.1\icon.png
DEBUG: Demuxer 'video': starting thread
DEBUG: Demuxer 'audio': starting thread
INFO: Texture: 2560x1440
[server] WARN: Could not get any audio timestamp
[server] DEBUG: pts=0; duration=-2369
[server] DEBUG: pts=1584090621; duration=-2369
[server] DEBUG: pts=1584112406; duration=-2369
[server] DEBUG: pts=1584110037; duration=-2369
[server] DEBUG: pts=1584154975; duration=-2369
[server] DEBUG: pts=1584152606; duration=-2369
[server] DEBUG: pts=1584197672; duration=-2369
[server] DEBUG: pts=1584218964; duration=-2369
[server] DEBUG: pts=1584240293; duration=-2369
[server] DEBUG: pts=1584261649; duration=-2369
[server] DEBUG: pts=1584282942; duration=-2369
[server] DEBUG: pts=1584304431; duration=-2369
[server] DEBUG: pts=1584325582; duration=-2369
[server] DEBUG: pts=1584346940; duration=-2369
[server] DEBUG: pts=1584368271; duration=-2369
[server] DEBUG: pts=1584365902; duration=-2369
[server] DEBUG: pts=1584389618; duration=-2369
[server] DEBUG: pts=1584410933; duration=-2369
[server] DEBUG: pts=1584432269; duration=-2369
.
.
.
DEBUG: User requested to quit
DEBUG: quit...
DEBUG: Server disconnected
DEBUG: Server terminated
DEBUG: Demuxer 'audio': end of frames
DEBUG: Receiver stopped
DEBUG: Demuxer 'video': end of frames

[rom1v]

Interesting.

Here is a new branch fixing two problems: issue4536

Please test this binary:

• scrcpy-win64-issue4536.zip SHA-256: 27b1e11ee217edb1b8fff8847e0d8b4425e18f7ae14cd88e9b1ea67f65dfeee

[theninthsky]

@rom1v
It seems that I'm missing some sort of DLL.

[rom1v]

Sorry, my bad, I made a mistake. I updated the link in the previous comment. Please retry.

[theninthsky]

@rom1v
Yeah, it seems recording always works now (I tried multiple times).

I only got [server] WARN: Could not get initial audio timestamp one time but the recorded file was perfectly fine.

[theninthsky]

@rom1v
Thanks a lot!

[rom1v]

Merged into dev. 🚀