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Usage

Recording

Section titled “Recording”

CastMane main window — Capture settings

  1. Start the app. The status line shows the active backend, e.g. Ready [portal (Wayland)].
  2. Pick a source: Full-screen, Window, or Ask / Select region. On Wayland the system dialog lists monitors or windows; on X11, Ask opens a drag-to-select frame.
  3. Press Record. On Wayland the system screen-share dialog appears — pick the monitor or window and confirm (you have 180 seconds).

While recording the timer turns red and the button becomes Stop:

CastMane while recording — timer and red Stop button

  1. Press Stop. The finished file lands in ~/Videos/CastMane as castmane_YYYY-MM-DD_HH-MM-SS.mp4.

Language

Section titled “Language”

The interface is English by default. To switch to Turkish, pick Türkçe from the Language dropdown in Recording Settings. In code: AppConfig(language="tr").

Pause and resume

Section titled “Pause and resume”

Press Pause mid-recording to freeze the encoder (SIGSTOP); the timer stops and the paused stretch is left out of the footage. Resume continues into the same file. Stopping while paused resumes first, so the trailer is always written cleanly.

Recovering an interrupted recording

Section titled “Recovering an interrupted recording”

Look for the *.mkv.part (Wayland) or *.mp4.part (X11) file in the same folder — it plays as-is. Just rename it (on Wayland, optionally remux to MP4 yourself):

Terminal window
ffmpeg -i file.mkv.part -c copy file.mp4

See Crash-safety for why this works.