Top — Bafxxx Videolan
Many "bafxxx" pirated files use 10-bit HEVC. If your VLC is not compiled with hardware decoding, top will show 400% CPU on a quad-core machine.
For power users who typed "bafxxx videolan top" to monitor performance, use this ffmpeg command to watch B-frame behavior in real time:
ffplay -v debug -stats input.mp4 2>&1 | grep -E "B-frame|picture_type"
Or, use ffprobe to generate a "top" list of frame types: bafxxx videolan top
ffprobe -v error -show_frames input.mkv | grep pict_type | sort | uniq -c
Output example:
45 pict_type=I
123 pict_type=P
890 pict_type=B # B-frames dominate (good for file size, bad for CPU)
You may have seen something like this in VLC debug logs or strace/htop output: Problem: Corrupted container
baf001 videolan top
or
[bafxxx] videolan top: fragment 1234
Interpretation:
| Column | Healthy VLC | Unhealthy VLC (bafxxx issue) |
| :--- | :--- | :--- |
| %CPU | 5-25% (4K video) | 90-150% (Software decoding loop) |
| MEM | 150-500 MB | 1.5 GB+ (Memory leak) |
| RPRVT (macOS) | Stable | Increasing linearly every second |
| Command | vlc --intf | vlc --codec avcodec --demux avi (fallback loops) |
If you see VLC using 100% CPU while playing a "bafxxx" file, you are likely forcing software decoding on a corrupted or hyper-compressed stream. Problem: Subtitle timing off
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