我有一个音频文件，可以在VLC播放器中正常播放，但不能在其他播放器中播放。我打开了文件的属性，并显示“加密：已加密”，但是此文件在VLC播放器中播放时没有保护。有什么办法可以删除此元数据？
文件信息：
Format : iso6
Codec ID : iso6 (iso6/dash)
File size : 127 MiB
Duration : 1 h 29 min
Overall bit rate : 199 kb/s
Audio
ID : 1
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : enca-40-2
Duration : 1 h 29 min
Bit rate : 192 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 123 MiB (96%)
Language : Lithuanian
Default : Yes
Alternate group : 1
Encryption : Encrypted
ffffeg出现的错误：
ffmpeg version git-2020-06-28-4cfcfb3 Copyright (c) 2000-2020 the FFmpeg developers
built with gcc 9.3.1 (GCC) 20200621
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 55.100 / 56. 55.100
libavcodec 58. 93.100 / 58. 93.100
libavformat 58. 47.100 / 58. 47.100
libavdevice 58. 11.100 / 58. 11.100
libavfilter 7. 86.100 / 7. 86.100
libswscale 5. 8.100 / 5. 8.100
libswresample 3. 8.100 / 3. 8.100
libpostproc 55. 8.100 / 55. 8.100
**[mov,mp4,m4a,3gp,3g2,mj2 @ 0000021962e0c2c0] Incorrect number of samples in encryption info**
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\Administrator\Desktop\track_2.mp4':
Metadata:
major_brand : iso6
minor_version : 0
compatible_brands: iso6dash
Duration: 01:29:15.60, bitrate: 199 kb/s
Stream #0:0(lit): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 191 kb/s (default)
Metadata:
handler_name : SoundHandler
At least one output file must be specified