https://bugs.kde.org/show_bug.cgi?id=493308
Bug ID: 493308
Summary: Audio recording not working with specific device
(external USB microphone - LCS_USB_Audio driver)
Classification: Applications
Product: kdenlive
Version: 24.08.1
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: User Interface
Assignee: j...@kdenlive.org
Reporter: slawek.mik...@gmail.com
Target Milestone: ---
Created attachment 173816
--> https://bugs.kde.org/attachment.cgi?id=173816&action=edit
logs compressed
At the beginning - audio recording on other devices (internal microphone, usb
headset with microphone) works OK. There is issue with one USB microphone
("pro").
- plug device into USB
- device is discovered
- start kdenlive, enter settings, set recording to this device (is detected),
set 44k1 and 1-channel (mono)
- go to timeline, enable sound monitoring for recording, soundbar displays
correctly sound level from this microphone
- clik on the record button, it is enabled, automatically in the project bin
displays the error that CaptureXXXX.wav cannot be loaded
I've checked all setting variations (1/2 channels, 44k1, 48k).
In Audacity recording with this device works OK.
In the log one can see error:
qt.multimedia.ffmpeg.encoder: Stream initialization error: "Audio device has
invalid preferred format"
!!!!!!!!!!!!!!!! ERROR : QMediarecorder - Capture failed
Something is wrong with setting recording format during initialization.
In the attachment:
- lsusb of this device - it is branded "Mozos", but it is generic "chinese"
microphone platform with generic USB interface
- dmesg of this device during connection
- kdenlive log with selected behaviour (two consecutive clicks on the record
button)
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