Missing MLT module

 $ sudo apt install glaxnimate
[sudo] password for dhwan:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done

No apt package "glaxnimate", but there is a snap with that name.
Try "snap install glaxnimate"

E: Unable to locate package glaxnimate
dhwan@dhwan-A514-51K-31XM:~$ sudo snap install glaxnimate
Automatically connect eligible plugs and slots of snap "glaxnimate"                                                                                  /error: cannot perform the following tasks:
- Download snap "kde-frameworks-5-core18" (35) from channel "stable" (the download has been cancelled: context canceled)
dhwan@dhwan-A514-51K-31XM:~$ sudo snap remove glaxnimate
snap "glaxnimate" is not installed
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install ffmpeg
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
ffmpeg is already the newest version (7:4.4.2-0ubuntu0.22.04.1).
ffmpeg set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install libxml2
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
libxml2 is already the newest version (2.9.13+dfsg-1ubuntu0.3).
libxml2 set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install libsdl
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package libsdl
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install synaptic-manager
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package synaptic-manager
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install synaptic
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  libept1.6.0 libxapian30
Suggested packages:
  xapian-tools dwww menu deborphan apt-xapian-index tasksel
The following NEW packages will be installed:
  libept1.6.0 libxapian30 synaptic
0 upgraded, 3 newly installed, 0 to remove and 3 not upgraded.
Need to get 1.395 kB of archives.
After this operation, 5.604 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://id.archive.ubuntu.com/ubuntu jammy/universe amd64 libept1.6.0 amd64 1.2.1 [84,1 kB]
Get:2 http://id.archive.ubuntu.com/ubuntu jammy/universe amd64 libxapian30 amd64 1.4.18-4 [701 kB]
Get:3 http://id.archive.ubuntu.com/ubuntu jammy/universe amd64 synaptic amd64 0.90.2build1 [610 kB]
Fetched 1.395 kB in 2s (917 kB/s)
Selecting previously unselected package libept1.6.0:amd64.
(Reading database ... 251738 files and directories currently installed.)
Preparing to unpack .../libept1.6.0_1.2.1_amd64.deb ...
Unpacking libept1.6.0:amd64 (1.2.1) ...
Selecting previously unselected package libxapian30:amd64.
Preparing to unpack .../libxapian30_1.4.18-4_amd64.deb ...
Unpacking libxapian30:amd64 (1.4.18-4) ...
Selecting previously unselected package synaptic.
Preparing to unpack .../synaptic_0.90.2build1_amd64.deb ...
Unpacking synaptic (0.90.2build1) ...
Setting up libxapian30:amd64 (1.4.18-4) ...
Setting up libept1.6.0:amd64 (1.2.1) ...
Setting up synaptic (0.90.2build1) ...
Processing triggers for bamfdaemon (0.5.6+22.04.20220217-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for desktop-file-utils (0.26-1ubuntu3) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu3) ...
Processing triggers for libc-bin (2.35-0ubuntu3.1) ...
Processing triggers for man-db (2.10.2-1) ...
Processing triggers for mailcap (3.70+nmu1ubuntu1) ...
dhwan@dhwan-A514-51K-31XM:~$ sudo apt update
Hit:1 http://id.archive.ubuntu.com/ubuntu jammy InRelease                                                                                            
Hit:2 http://id.archive.ubuntu.com/ubuntu jammy-updates InRelease                                                                                    
Hit:3 http://id.archive.ubuntu.com/ubuntu jammy-backports InRelease                                                                                  
Hit:4 http://security.ubuntu.com/ubuntu jammy-security InRelease                                                                                     
Hit:5 https://ppa.launchpadcontent.net/kdenlive/kdenlive-stable/ubuntu jammy InRelease                                              
Hit:6 https://packages.microsoft.com/repos/edge stable InRelease             
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
3 packages can be upgraded. Run 'apt list --upgradable' to see them.
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install libsdl1.*
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 33721 (synaptic)      
Reading package lists... Done                                                                                 
Building dependency tree... Done
Reading state information... Done
Note, selecting 'libsdl1.2debian-esd' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-nas' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-oss' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-dev' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-all' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-shim' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-dev' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-esd' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-alsa' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-nas' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-oss' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-pulseaudio' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-tests' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-all' for glob 'libsdl1.*'
libsdl1.2debian is already the newest version (1.2.15+dfsg2-6).
libsdl1.2debian set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libsdl1.2-compat-dev : Conflicts: libsdl-dev
                        Conflicts: libsdl1.2-dev
 libsdl1.2-compat-shim : Conflicts: libsdl1.2debian
 libsdl1.2-dev : Conflicts: libsdl-dev
E: Unable to correct problems, you have held broken packages.
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install libsdl1.*
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Note, selecting 'libsdl1.2debian-esd' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-nas' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-oss' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-dev' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-all' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-shim' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-dev' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-esd' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-alsa' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-nas' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-oss' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-pulseaudio' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2-compat-tests' for glob 'libsdl1.*'
Note, selecting 'libsdl1.2debian-all' for glob 'libsdl1.*'
libsdl1.2debian is already the newest version (1.2.15+dfsg2-6).
libsdl1.2debian set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libsdl1.2-compat-dev : Conflicts: libsdl-dev
                        Conflicts: libsdl1.2-dev
 libsdl1.2-compat-shim : Conflicts: libsdl1.2debian
 libsdl1.2-dev : Conflicts: libsdl-dev
E: Unable to correct problems, you have held broken packages.
dhwan@dhwan-A514-51K-31XM:~$ sudo apt install libsdl1.2-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  libasound2-dev libcaca-dev libgl-dev libglu1-mesa-dev libglx-dev libpng-dev libpng-tools libpthread-stubs0-dev libpulse-dev libslang2-dev
  libx11-dev libxau-dev libxcb1-dev libxdmcp-dev libxext-dev x11proto-dev xorg-sgml-doctools xtrans-dev
Suggested packages:
  libasound2-doc libx11-doc libxcb-doc libxext-doc
The following NEW packages will be installed:
  libasound2-dev libcaca-dev libgl-dev libglu1-mesa-dev libglx-dev libpng-dev libpng-tools libpthread-stubs0-dev libpulse-dev libsdl1.2-dev
  libslang2-dev libx11-dev libxau-dev libxcb1-dev libxdmcp-dev libxext-dev x11proto-dev xorg-sgml-doctools xtrans-dev
0 upgraded, 19 newly installed, 0 to remove and 3 not upgraded.
Need to get 4.311 kB of archives.
After this operation, 18,6 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libasound2-dev amd64 1.2.6.1-1ubuntu1 [110 kB]
Get:2 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libpng-dev amd64 1.6.37-3build5 [192 kB]
Get:3 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libslang2-dev amd64 2.3.2-5build4 [437 kB]                                                
Get:4 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libcaca-dev amd64 0.99.beta19-2.2ubuntu4 [772 kB]                                         
Get:5 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 xorg-sgml-doctools all 1:1.11-1.1 [10,9 kB]                                               
Get:6 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 x11proto-dev all 2021.5-1 [604 kB]                                                        
Get:7 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libxau-dev amd64 1:1.0.9-1build5 [9.724 B]                                                
Get:8 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libxdmcp-dev amd64 1:1.1.3-0ubuntu5 [26,5 kB]                                             
Get:9 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 xtrans-dev all 1.4.0-1 [68,9 kB]                                                          
Get:10 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libpthread-stubs0-dev amd64 0.4-1build2 [5.516 B]                                        
Get:11 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libxcb1-dev amd64 1.14-3ubuntu3 [86,5 kB]                                                
Get:12 http://id.archive.ubuntu.com/ubuntu jammy-updates/main amd64 libx11-dev amd64 2:1.7.5-1ubuntu0.2 [744 kB]                                     
Get:13 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libglx-dev amd64 1.4.0-1 [14,1 kB]                                                       
Get:14 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libgl-dev amd64 1.4.0-1 [101 kB]                                                         
Get:15 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libglu1-mesa-dev amd64 9.0.2-1 [231 kB]                                                  
Get:16 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libpng-tools amd64 1.6.37-3build5 [28,7 kB]                                              
Get:17 http://id.archive.ubuntu.com/ubuntu jammy-updates/main amd64 libpulse-dev amd64 1:15.99.1+dfsg1-1ubuntu2.1 [75,6 kB]                          
Get:18 http://id.archive.ubuntu.com/ubuntu jammy/main amd64 libxext-dev amd64 2:1.3.4-1build1 [84,7 kB]                                              
Get:19 http://id.archive.ubuntu.com/ubuntu jammy/universe amd64 libsdl1.2-dev amd64 1.2.15+dfsg2-6 [708 kB]                                          
Fetched 4.311 kB in 7s (611 kB/s)                                                                                                                    
Selecting previously unselected package libasound2-dev:amd64.
(Reading database ... 251918 files and directories currently installed.)
Preparing to unpack .../00-libasound2-dev_1.2.6.1-1ubuntu1_amd64.deb ...
Unpacking libasound2-dev:amd64 (1.2.6.1-1ubuntu1) ...
Selecting previously unselected package libpng-dev:amd64.
Preparing to unpack .../01-libpng-dev_1.6.37-3build5_amd64.deb ...
Unpacking libpng-dev:amd64 (1.6.37-3build5) ...
Selecting previously unselected package libslang2-dev:amd64.
Preparing to unpack .../02-libslang2-dev_2.3.2-5build4_amd64.deb ...
Unpacking libslang2-dev:amd64 (2.3.2-5build4) ...
Selecting previously unselected package libcaca-dev.
Preparing to unpack .../03-libcaca-dev_0.99.beta19-2.2ubuntu4_amd64.deb ...
Unpacking libcaca-dev (0.99.beta19-2.2ubuntu4) ...
Selecting previously unselected package xorg-sgml-doctools.
Preparing to unpack .../04-xorg-sgml-doctools_1%3a1.11-1.1_all.deb ...
Unpacking xorg-sgml-doctools (1:1.11-1.1) ...
Selecting previously unselected package x11proto-dev.
Preparing to unpack .../05-x11proto-dev_2021.5-1_all.deb ...
Unpacking x11proto-dev (2021.5-1) ...
Selecting previously unselected package libxau-dev:amd64.
Preparing to unpack .../06-libxau-dev_1%3a1.0.9-1build5_amd64.deb ...
Unpacking libxau-dev:amd64 (1:1.0.9-1build5) ...
Selecting previously unselected package libxdmcp-dev:amd64.
Preparing to unpack .../07-libxdmcp-dev_1%3a1.1.3-0ubuntu5_amd64.deb ...
Unpacking libxdmcp-dev:amd64 (1:1.1.3-0ubuntu5) ...
Selecting previously unselected package xtrans-dev.
Preparing to unpack .../08-xtrans-dev_1.4.0-1_all.deb ...
Unpacking xtrans-dev (1.4.0-1) ...
Selecting previously unselected package libpthread-stubs0-dev:amd64.
Preparing to unpack .../09-libpthread-stubs0-dev_0.4-1build2_amd64.deb ...
Unpacking libpthread-stubs0-dev:amd64 (0.4-1build2) ...
Selecting previously unselected package libxcb1-dev:amd64.
Preparing to unpack .../10-libxcb1-dev_1.14-3ubuntu3_amd64.deb ...
Unpacking libxcb1-dev:amd64 (1.14-3ubuntu3) ...
Selecting previously unselected package libx11-dev:amd64.
Preparing to unpack .../11-libx11-dev_2%3a1.7.5-1ubuntu0.2_amd64.deb ...
Unpacking libx11-dev:amd64 (2:1.7.5-1ubuntu0.2) ...
Selecting previously unselected package libglx-dev:amd64.
Preparing to unpack .../12-libglx-dev_1.4.0-1_amd64.deb ...
Unpacking libglx-dev:amd64 (1.4.0-1) ...
Selecting previously unselected package libgl-dev:amd64.
Preparing to unpack .../13-libgl-dev_1.4.0-1_amd64.deb ...
Unpacking libgl-dev:amd64 (1.4.0-1) ...
Selecting previously unselected package libglu1-mesa-dev:amd64.
Preparing to unpack .../14-libglu1-mesa-dev_9.0.2-1_amd64.deb ...
Unpacking libglu1-mesa-dev:amd64 (9.0.2-1) ...
Selecting previously unselected package libpng-tools.
Preparing to unpack .../15-libpng-tools_1.6.37-3build5_amd64.deb ...
Unpacking libpng-tools (1.6.37-3build5) ...
Selecting previously unselected package libpulse-dev:amd64.
Preparing to unpack .../16-libpulse-dev_1%3a15.99.1+dfsg1-1ubuntu2.1_amd64.deb ...
Unpacking libpulse-dev:amd64 (1:15.99.1+dfsg1-1ubuntu2.1) ...
Selecting previously unselected package libxext-dev:amd64.
Preparing to unpack .../17-libxext-dev_2%3a1.3.4-1build1_amd64.deb ...
Unpacking libxext-dev:amd64 (2:1.3.4-1build1) ...
Selecting previously unselected package libsdl1.2-dev.
Preparing to unpack .../18-libsdl1.2-dev_1.2.15+dfsg2-6_amd64.deb ...
Unpacking libsdl1.2-dev (1.2.15+dfsg2-6) ...
Setting up libpng-tools (1.6.37-3build5) ...
Setting up libpng-dev:amd64 (1.6.37-3build5) ...
Setting up libpthread-stubs0-dev:amd64 (0.4-1build2) ...
Setting up xtrans-dev (1.4.0-1) ...
Setting up libpulse-dev:amd64 (1:15.99.1+dfsg1-1ubuntu2.1) ...
Setting up xorg-sgml-doctools (1:1.11-1.1) ...
Setting up libasound2-dev:amd64 (1.2.6.1-1ubuntu1) ...
Setting up libslang2-dev:amd64 (2.3.2-5build4) ...
Setting up libcaca-dev (0.99.beta19-2.2ubuntu4) ...
Processing triggers for man-db (2.10.2-1) ...
Processing triggers for sgml-base (1.30) ...
Setting up x11proto-dev (2021.5-1) ...
Setting up libxau-dev:amd64 (1:1.0.9-1build5) ...
Setting up libxdmcp-dev:amd64 (1:1.1.3-0ubuntu5) ...
Setting up libxcb1-dev:amd64 (1.14-3ubuntu3) ...
Setting up libx11-dev:amd64 (2:1.7.5-1ubuntu0.2) ...
Setting up libxext-dev:amd64 (2:1.3.4-1build1) ...
Setting up libglx-dev:amd64 (1.4.0-1) ...
Setting up libgl-dev:amd64 (1.4.0-1) ...
Setting up libglu1-mesa-dev:amd64 (9.0.2-1) ...
Setting up libsdl1.2-dev (1.2.15+dfsg2-6) ...
dhwan@dhwan-A514-51K-31XM:~$