Rendering into gif is succeed but not into video. This is what i get when open synfigstudo from terminal command and try to rendering into video:
synfig studio -- starting up application...
Gtk-Message: 14:15:57.449: Failed to load module "canberra-gtk-module"
Gtk-Message: 14:15:57.589: Failed to load module "canberra-gtk-module"
synfig(5925) [14:15:59] info: Starting Subsystem "Sound"
mlt_repository_init: no plugins found in "/usr/lib/x86_64-linux-gnu/mlt"
synfig(5925) [14:15:59] info: Starting Subsystem "Types"
synfig(5925) [14:15:59] info: Starting Subsystem "Rendering"
synfig(5925) [14:15:59] info: rendering threads 4
synfig(5925) [14:15:59] info: Starting Subsystem "Modules"
synfig(5925) [14:15:59] info: Starting Subsystem "Layers"
synfig(5925) [14:15:59] info: Starting Subsystem "Targets"
synfig(5925) [14:15:59] info: Starting Subsystem "Importers"
synfig(5925) [14:15:59] info: Starting Subsystem "Cairo Importers"
synfig(5925) [14:15:59] info: Starting Subsystem "Thread Pool"
synfig(5925) [14:15:59] warning: Cannot open ./synfig_modules.cfg
synfig(5925) [14:15:59] warning: Cannot open /home/ubuntu/snap/synfigstudio/11/.local/share/synfig/synfig_modules.cfg
synfig(5925) [14:15:59] warning: Cannot open /usr/etc/synfig_modules.cfg
synfig(5925) [14:15:59] info: Loading modules from /snap/synfigstudio/11/usr/etc/synfig_modules.cfg
synfig(5925) [14:15:59] info: Loading modules from /snap/synfigstudio/11/usr/etc/synfig_modules.cfg
synfig(5925) [14:15:59] info: Loading lyr_std..
synfig(5925) [14:15:59] info: Attempting to register "lyr_std"
synfig(5925) [14:15:59] info: Found module "lyr_std"
synfig(5925) [14:15:59] info: Success for "lyr_std"
synfig(5925) [14:15:59] info: Loading lyr_freetype..
synfig(5925) [14:15:59] info: Attempting to register "lyr_freetype"
synfig(5925) [14:15:59] info: Found module "lyr_freetype"
synfig(5925) [14:15:59] info: Initializing FreeType...
synfig(5925) [14:15:59] info: Success for "lyr_freetype"
synfig(5925) [14:15:59] info: Loading mod_geometry..
synfig(5925) [14:15:59] info: Attempting to register "mod_geometry"
synfig(5925) [14:15:59] info: Found module "mod_geometry"
synfig(5925) [14:15:59] info: Success for "mod_geometry"
synfig(5925) [14:15:59] info: Loading mod_gradient..
synfig(5925) [14:15:59] info: Attempting to register "mod_gradient"
synfig(5925) [14:15:59] info: Found module "mod_gradient"
synfig(5925) [14:15:59] info: Success for "mod_gradient"
synfig(5925) [14:15:59] info: Loading mod_particle..
synfig(5925) [14:15:59] info: Attempting to register "mod_particle"
synfig(5925) [14:15:59] info: Found module "mod_particle"
synfig(5925) [14:15:59] info: Success for "mod_particle"
synfig(5925) [14:15:59] info: Loading mod_example..
synfig(5925) [14:15:59] info: Attempting to register "mod_example"
synfig(5925) [14:15:59] info: Found module "mod_example"
synfig(5925) [14:15:59] info: Success for "mod_example"
synfig(5925) [14:15:59] info: Loading mod_gif..
synfig(5925) [14:15:59] info: Attempting to register "mod_gif"
synfig(5925) [14:15:59] info: Found module "mod_gif"
synfig(5925) [14:15:59] info: Success for "mod_gif"
synfig(5925) [14:15:59] info: Loading mod_imagemagick..
synfig(5925) [14:15:59] info: Attempting to register "mod_imagemagick"
synfig(5925) [14:15:59] warning: Unable to find module "mod_imagemagick" (file not found)
synfig(5925) [14:15:59] info: Loading mod_magickpp..
synfig(5925) [14:15:59] info: Attempting to register "mod_magickpp"
synfig(5925) [14:15:59] info: Found module "mod_magickpp"
synfig(5925) [14:15:59] info: Success for "mod_magickpp"
synfig(5925) [14:15:59] info: Loading mod_mng..
synfig(5925) [14:15:59] info: Attempting to register "mod_mng"
synfig(5925) [14:15:59] info: Found module "mod_mng"
synfig(5925) [14:15:59] info: Success for "mod_mng"
synfig(5925) [14:15:59] info: Loading mod_noise..
synfig(5925) [14:15:59] info: Attempting to register "mod_noise"
synfig(5925) [14:15:59] info: Found module "mod_noise"
synfig(5925) [14:15:59] info: Success for "mod_noise"
synfig(5925) [14:15:59] info: Loading mod_filter..
synfig(5925) [14:15:59] info: Attempting to register "mod_filter"
synfig(5925) [14:15:59] info: Found module "mod_filter"
synfig(5925) [14:15:59] info: Success for "mod_filter"
synfig(5925) [14:15:59] info: Loading mod_ffmpeg..
synfig(5925) [14:15:59] info: Attempting to register "mod_ffmpeg"
synfig(5925) [14:15:59] info: Found module "mod_ffmpeg"
synfig(5925) [14:15:59] info: Success for "mod_ffmpeg"
synfig(5925) [14:15:59] info: Loading mod_bmp..
synfig(5925) [14:15:59] info: Attempting to register "mod_bmp"
synfig(5925) [14:15:59] info: Found module "mod_bmp"
synfig(5925) [14:15:59] info: Success for "mod_bmp"
synfig(5925) [14:15:59] info: Loading mod_dv..
synfig(5925) [14:15:59] info: Attempting to register "mod_dv"
synfig(5925) [14:15:59] info: Found module "mod_dv"
synfig(5925) [14:15:59] info: Success for "mod_dv"
synfig(5925) [14:15:59] info: Loading mod_png..
synfig(5925) [14:15:59] info: Attempting to register "mod_png"
synfig(5925) [14:15:59] info: Found module "mod_png"
synfig(5925) [14:15:59] info: Success for "mod_png"
synfig(5925) [14:15:59] info: Loading mod_ppm..
synfig(5925) [14:15:59] info: Attempting to register "mod_ppm"
synfig(5925) [14:15:59] info: Found module "mod_ppm"
synfig(5925) [14:15:59] info: Success for "mod_ppm"
synfig(5925) [14:15:59] info: Loading mod_openexr..
synfig(5925) [14:15:59] info: Attempting to register "mod_openexr"
synfig(5925) [14:15:59] info: Found module "mod_openexr"
synfig(5925) [14:15:59] info: Success for "mod_openexr"
synfig(5925) [14:15:59] info: Loading mod_jpeg..
synfig(5925) [14:15:59] info: Attempting to register "mod_jpeg"
synfig(5925) [14:15:59] info: Found module "mod_jpeg"
synfig(5925) [14:15:59] info: Success for "mod_jpeg"
synfig(5925) [14:15:59] info: Loading mod_libavcodec..
synfig(5925) [14:15:59] info: Attempting to register "mod_libavcodec"
synfig(5925) [14:15:59] warning: Unable to find module "mod_libavcodec" (file not found)
synfig(5925) [14:15:59] info: Loading mod_yuv420p..
synfig(5925) [14:15:59] info: Attempting to register "mod_yuv420p"
synfig(5925) [14:15:59] info: Found module "mod_yuv420p"
synfig(5925) [14:15:59] info: Success for "mod_yuv420p"
synfig(5925) [14:15:59] info: Loading mod_svg..
synfig(5925) [14:15:59] info: Attempting to register "mod_svg"
synfig(5925) [14:15:59] info: Found module "mod_svg"
synfig(5925) [14:15:59] info: Success for "mod_svg"
synfig(5925) [14:15:59] info: DONE
synfig(5925) [14:15:59] info: Loading Basic Settings...
synfig(5925) [14:15:59] info: Loading Plugins...
synfig(5925) [14:15:59] info: Loading plugins from /usr/share/synfig/plugins
synfig(5925) [14:15:59] info: Loading plugin: add-skeleton-simple
synfig(5925) [14:15:59] info: Loading plugin: lottie-exporter
synfig(5925) [14:15:59] info: Loading plugin: view-unhide-all-layers
synfig(5925) [14:15:59] info: Loading plugins from /home/ubuntu/snap/synfigstudio/11/.config/synfig/plugins
synfig(5925) [14:15:59] info: Init UI Manager...
synfig(5925) [14:15:59] info: Init Dock Manager...
synfig(5925) [14:15:59] info: Init State Manager...
synfig(5925) [14:15:59] info: Init Main Window...
synfig(5925) [14:15:59] info: Init Toolbox...
synfig(5925) [14:15:59] info: Init About Dialog...
synfig(5925) [14:15:59] info: Init Tool Options...
synfig(5925) [14:15:59] info: Init History...
synfig(5925) [14:15:59] info: Init Canvases...
synfig(5925) [14:15:59] info: Init Keyframes...
synfig(5925) [14:15:59] info: Init Layers...
synfig(5925) [14:15:59] info: Init Parameters...
synfig(5925) [14:15:59] info: Init MetaData...
synfig(5925) [14:15:59] info: Init Library...
synfig(5925) [14:15:59] info: Init Info...
synfig(5925) [14:15:59] info: Init Navigator...
synfig(5925) [14:15:59] info: Init SoundWave...
(synfigstudio:5925): GLib-GIO-WARNING **: 14:15:59.906: Error creating IO channel for /proc/self/mountinfo: Permission denied (g-file-error-quark, 2)
synfig(5925) [14:16:00] info: Init Timetrack...
synfig(5925) [14:16:00] info: Init Curve Editor...
synfig(5925) [14:16:00] info: Init Layer Sets...
synfig(5925) [14:16:00] info: Init Color Dialog...
synfig(5925) [14:16:00] info: Init Gradient Dialog...
synfig(5925) [14:16:00] info: Init DeviceTracker...
synfig(5925) [14:16:00] info: Init ModPalette...
synfig(5925) [14:16:00] info: Init Setup Dialog...
synfig(5925) [14:16:00] info: Init Input Dialog...
synfig(5925) [14:16:00] info: Loading Custom Workspace List...
synfig(5925) [14:16:00] info: Init auto recovery...
synfig(5925) [14:16:00] info: Loading Settings...
synfig(5925) [14:16:01] info: Init Tools...
synfig(5925) [14:16:01] info: Checking auto-recover...
synfig(5925) [14:16:03] info: Done.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.919: Allocating size to gtkmm__GtkWindow 0x55f79fed0540 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.934: Allocating size to gtkmm__GtkNotebook 0x55f7a0aed260 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.961: gtkmm__GtkNotebook 0x55f7a0aed030 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.961: gtkmm__GtkGrid 0x55f7a01e0420 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.961: gtkmm__GtkScrolledWindow 0x55f79ff23230 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: gtkmm__GtkNotebook 0x55f7a0aed260 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: gtkmm__GtkGrid 0x55f7a0232700 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: gtkmm__GtkScrolledWindow 0x55f7a0a20750 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: GtkViewport 0x55f7a0a186f0 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: gtkmm__GtkGrid 0x55f7a15a69e0 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.963: gtkmm__GtkVScrollbar 0x55f7a063f160 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:03.964: gtkmm__GtkDrawingArea 0x55f79f868e70 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:04.404: Allocating size to gtkmm__GtkNotebook 0x55f7a0aed260 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
(synfigstudio:5925): Gtk-WARNING **: 14:16:04.418: gtkmm__GtkNotebook 0x55f7a0aed030 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:04.418: gtkmm__GtkGrid 0x55f7a01e0420 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:04.418: gtkmm__GtkScrolledWindow 0x55f79ff23230 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:04.419: gtkmm__GtkVScrollbar 0x55f7a063f160 is drawn without a current allocation. This should not happen.
synfig(5925) [14:16:09] info: Loading file: /home/ubuntu/snap/synfigstudio/11/Synfig Animation 1.sifz
(synfigstudio:5925): Gtk-WARNING **: 14:16:10.922: Allocating size to gtkmm__GtkNotebook 0x55f7a0aed260 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
(synfigstudio:5925): Gtk-WARNING **: 14:16:10.957: gtkmm__GtkNotebook 0x55f7a0aed030 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:10.958: gtkmm__GtkGrid 0x55f7a01e0420 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:10.958: gtkmm__GtkScrolledWindow 0x55f79ff23230 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:10.961: gtkmm__GtkVScrollbar 0x55f7a063f160 is drawn without a current allocation. This should not happen.
(synfigstudio:5925): Gtk-WARNING **: 14:16:11.031: Allocating size to gtkmm__GtkNotebook 0x55f7a0aed260 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
synfig(5925) [14:16:12] info: closed
(synfigstudio:5925): Gtk-WARNING **: 14:16:49.303: Allocating size to gtkmm__GtkNotebook 0x55f7a0aed260 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?
synfig(5925) [14:17:18] info: "which ffmpeg" --> /snap/synfigstudio/11/usr/bin/ffmpeg
ffmpeg: error while loading shared libraries: libslang.so.2: cannot open shared object file: No such file or directory
I installed synfig studio from snapcraft in ubuntu stable machine.
Ffmeg and libslang.so.2 are already installed.
As I mentioned above rendering into gif animation is succeed but not into video.
Anyone can help me to resolve this issue?