https://bugs.kde.org/show_bug.cgi?id=476864
Bug ID: 476864
Summary: NVENC H265 rendering crash with B frames as references
Classification: Applications
Product: kdenlive
Version: 23.08.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Video Display & Export
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When rendering with the built-in NVENC H265 Profile, it crashes:
Qt: Session management error: Could not open network socket
[hevc_nvenc @ 0x7f7294202040] B frames as references are not supported
[hevc_nvenc @ 0x7f7294202040] No capable devices found
Creating a custom profile with the following parameter fixes the crash:
b_ref_mode=0. Please add this parameter to the default profile.
Default profile (crashes):
ab=160k acodec=aac channels=2 f=mp4 real_time=-1 threads=0 vb=6000k
vcodec=hevc_nvenc
Updated profile (doesn't crash):
ab=160k acodec=aac b_ref_mode=0 channels=2 f=mp4 real_time=-1 threads=0
vb=6000k vcodec=hevc_nvenc
This is with a GTX 1060 on KDE Neon with proprietary driver 535.129.03
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