This commit refactors the wayland_poc executable to use Qt's QDBus
module for interacting with xdg-desktop-portal. This approach bypasses
the problematic direct inclusion of PipeWire session manager headers
(e.g., session-manager.h) that were causing persistent compilation errors.
The wayland_poc now focuses solely on requesting screen capture permission
via D-Bus and retrieving the PipeWire node ID, without attempting to
create or manage PipeWire streams directly.
This change aims to provide a working foundation for the xdg-desktop-portal
interaction, which can then be integrated with the core PipeWire stream
capture logic (demonstrated by tutorial5.c).
This commit introduces a standalone proof-of-concept (POC) for screen
capture on Wayland using PipeWire and xdg-desktop-portal.
The POC demonstrates:
- Initializing PipeWire context and core.
- Requesting screen capture permission via xdg-desktop-portal, which
triggers a user consent dialog.
- Receiving the PipeWire node ID for the selected screen/window.
- Connecting a PipeWire stream to the capture node.
- Processing a single video frame from the PipeWire stream.
- Converting the raw frame data into a QImage and saving it as a PNG file.
This POC serves as a foundational step towards adapting the Hyperion
grabber to work natively on Wayland, replacing the existing X11-specific
grabbing logic.
Further work will involve integrating this logic into the main grabber
application and handling continuous frame processing.
