小编Pa_*_*Pa_的帖子

令人惊讶的是，我找不到任何带有预构建 ffmpeg 包的 ppa 来添加 QSV（英特尔快速同步视频）支持。

周围有吗？QSV不是默认添加的，因为它依赖于专有代码？还有什么其他原因，因为现在有超过 50% 的系统都拥有这个功能？

如何解决这个问题？/var/crash/virtualbox-guest-dkms.0.crash 包含：

ProblemType: Package
DKMSBuildLog:
 DKMS make.log for virtualbox-guest-6.1.10 for kernel 5.8.0-36-generic (x86_64)
 Sun 10 Jan 11:53:48 EET 2021
 make: Entering directory '/usr/src/linux-headers-5.8.0-36-generic'
   CC [M]  /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/VBoxGuest-linux.o
   CC [M]  /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/VBoxGuest.o
   CC [M]  /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/common/string/strformatrt.o
   CC [M]  /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/combined-agnostic.o
   CC [M]  /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/combined-os-specific.o
 In file included from /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/combined-os-specific.c:30:
 /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/r0drv/linux/alloc-r0drv-linux.c: In function ‘rtR0MemAllocExecVmArea’:
 /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/r0drv/linux/alloc-r0drv-linux.c:171:15: error: implicit declaration of function ‘__get_vm_area’; did you mean ‘get_vm_area’? [-Werror=implicit-function-declaration]
   171 |     pVmArea = __get_vm_area(cbAlloc, VM_ALLOC, MODULES_VADDR, MODULES_END);
       |               ^~~~~~~~~~~~~
       |               get_vm_area
 /var/lib/dkms/virtualbox-guest/6.1.10/build/vboxguest/r0drv/linux/alloc-r0drv-linux.c:171:13: warning: assignment to ‘struct vm_struct *’ from ‘int’ …