Bashcorder is a tool that uses bash, ffmpeg and zenity to provide screen cap recording functionality.

Workflow

The workflow is very simple.

1. To start recording press configurable keyboard shortcut and countdown appears
2. To end recording press a second configurable keyboard shortcut
3. The Save file dialog will appear - choose the location to save the audio/video too
4. If the Save dialog is canceled the audo/video is deleted
5. If the Chosen file in the save dialog exists it will ask if this is a Pickup or a Retake
6. It names the file accordingly

Features

• Record to ram or disk
• Record audio or audio/video combined
• Configurable ffmpeg recording settings - lossless x.264 is the default
• Configurable ffmpeg re-encode settings - compresses lossless as defined by the user
• Snapshots host OS using LVM
• Can update the OS snapshot if configuration changes are made
• Can roll back the to the previous snapshot
• Switch to KVM hypervisor
• Switch to VirtualBox hypervisor
• Run by hotkeys and Gnome3 right mouse click - progress, error, information and file dialogs provided by zenity
• Uses virtually no memory beyond the ffmpeg process
• Recording can be started and stopped while presentation is running saving editing

To Record:

Press configurable keyboard shortcut to record

To Save Recording:

Press configurable keyboard shortcut to be prompted with save dialog

To re-encode recorded videos from the CLI:

Run encodevideos

To re-encode recorded vides from the Gnome3 GUI:

ln -s ~/.bashcorder/encodevideos ~/.local/share/nautilus/scripts/EncodeVideos Right click on Video directory and select scripts/Encodevideos

To update the OS drive configuration into a snapshot:

Run the updatesnap command

To reset the OS logical volume to the last snapshot and reboot:

Run the rollbacksnap command

To switch from KVM to VirtualBox:

Run the switchtovbox.sh command

To switch from Vbox to KVM:

Run the switchtokvm.sh command