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| bool | check_stream_dead (platf::capture_e &out_status) override |
| | Check stream dead.
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| int | configure_stream (const std::string &display_name, int &out_pipewire_fd, uint32_t &out_pipewire_node, uint64_t &out_pipewire_object_serial) override |
| | Configure the pipewire stream.
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| std::shared_ptr< platf::img_t > | alloc_img () override |
| | Allocate an image buffer compatible with this display backend.
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| platf::capture_e | capture (const push_captured_image_cb_t &push_captured_image_cb, const pull_free_image_cb_t &pull_free_image_cb, bool *cursor) override |
| | Capture a frame.
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| int | dummy_img (platf::img_t *img) override |
| | Populate a fallback image when real capture data is unavailable.
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| bool | get_hdr_metadata (SS_HDR_METADATA &metadata) override |
| | Read HDR metadata for the active display mode.
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| int | init (platf::mem_type_e hwdevice_type, const std::string &display_name, const ::video::config_t &config) |
| | Initialize the PipeWire display backend for a selected stream.
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| bool | is_hdr () override |
| | Report whether the active display mode is HDR.
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| std::unique_ptr< platf::avcodec_encode_device_t > | make_avcodec_encode_device (platf::pix_fmt_e pix_fmt) override |
| | Create AVCodec encode device.
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| platf::capture_e | snapshot (const pull_free_image_cb_t &pull_free_image_cb, std::shared_ptr< platf::img_t > &img_out, std::chrono::milliseconds timeout, bool show_cursor) |
| | Capture a display frame into the provided image object.
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virtual void | verify_and_update_display_parameters () |
| | Verify and update display parameters for logical dimensions, desktop dimensions and logical desktop dimensions (default is adapted from wlgrab)
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| virtual bool | is_codec_supported (std::string_view name, const ::video::config_t &config) |
| | Check that a given codec is supported by the display device.
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| virtual std::unique_ptr< nvenc_encode_device_t > | make_nvenc_encode_device (pix_fmt_e pix_fmt) |
| | Create NVENC encode device.
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dbus_t | dbus |
| | DBus connection used for portal screencast requests.
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int | env_height {0} |
| | Height of the full capture environment in physical pixels.
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int | env_logical_height {0} |
| | Height of the full capture environment after display scaling.
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int | env_logical_width {0} |
| | Width of the full capture environment after display scaling.
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int | env_width {0} |
| | Width of the full capture environment in physical pixels.
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int | height {0} |
| | Height of the captured display in physical pixels.
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int | logical_height {0} |
| | Height of the captured display after display scaling.
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int | logical_width {0} |
| | Width of the captured display after display scaling.
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int | offset_x {0} |
| | Horizontal capture offset in physical pixels.
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int | offset_y {0} |
| | Vertical capture offset in physical pixels.
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int | width {0} |
| | Width of the captured display in physical pixels.
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| using | pull_free_image_cb_t = std::function<bool(std::shared_ptr<img_t> &img_out)> |
| | Get free image from pool. Calls must be synchronized. Blocks until there is free image in the pool or capture is interrupted.
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| using | push_captured_image_cb_t = std::function<bool(std::shared_ptr<img_t> &&img, bool frame_captured)> |
| | Callback for when a new image is ready. When display has a new image ready or a timeout occurs, this callback will be called with the image. If a frame was captured, frame_captured will be true. If a timeout occurred, it will be false.
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| static bool | init_pipewire_and_check_hwdevice_type (platf::mem_type_e hwdevice_type) |
| | Initialize pipewire and check hwdevice type.
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pipewire_t | pipewire |
| | Pipewire.
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std::shared_ptr< shared_state_t > | shared_state |
| | Shared state.
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logging::time_delta_periodic_logger | sleep_overshoot_logger = {debug, "Frame capture sleep overshoot"} |
| | Periodic logger for capture sleep overshoot measurements.
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Portal screencast backend that negotiates PipeWire streams over DBus.
Public Member Functions inherited from pipewire::pipewire_display_t
1.12.0