xdg-desktop-portal-hyprland/include/screencast_common.h

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#ifndef SCREENCAST_COMMON_H
#define SCREENCAST_COMMON_H
#include <pipewire/pipewire.h>
#include <spa/param/video/format-utils.h>
#include <wayland-client-protocol.h>
#include "fps_limit.h"
// this seems to be right based on
// https://github.com/flatpak/xdg-desktop-portal/blob/309a1fc0cf2fb32cceb91dbc666d20cf0a3202c2/src/screen-cast.c#L955
#define XDP_CAST_PROTO_VER 2
enum cursor_modes {
HIDDEN = 1,
EMBEDDED = 2,
METADATA = 4,
};
enum source_types {
MONITOR = 1,
WINDOW = 2,
};
struct xdpw_frame_damage {
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uint32_t x;
uint32_t y;
uint32_t width;
uint32_t height;
};
struct xdpw_frame {
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uint32_t width;
uint32_t height;
uint32_t size;
uint32_t stride;
bool y_invert;
uint64_t tv_sec;
uint32_t tv_nsec;
enum wl_shm_format format;
struct xdpw_frame_damage damage;
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struct wl_buffer *buffer;
void *data;
};
struct xdpw_screencast_context {
// xdpw
struct xdpw_state *state;
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// pipewire
struct pw_context *pwr_context;
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struct pw_core *core;
// wlroots
struct wl_list output_list;
struct wl_registry *registry;
struct zwlr_screencopy_manager_v1 *screencopy_manager;
struct zxdg_output_manager_v1 *xdg_output_manager;
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struct wl_shm *shm;
// sessions
struct wl_list screencast_instances;
};
struct xdpw_screencast_instance {
// list
struct wl_list link;
// xdpw
uint32_t refcount;
struct xdpw_screencast_context *ctx;
bool initialized;
// pipewire
struct spa_source *event;
struct pw_stream *stream;
struct spa_hook stream_listener;
struct spa_video_info_raw pwr_format;
uint32_t seq;
uint32_t node_id;
bool pwr_stream_state;
// wlroots
struct zwlr_screencopy_frame_v1 *frame_callback;
struct xdpw_wlr_output *target_output;
uint32_t framerate;
struct zwlr_screencopy_frame_v1 *wlr_frame;
struct xdpw_frame simple_frame;
bool with_cursor;
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int err;
bool quit;
// fps limit
struct fps_limit_state fps_limit;
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};
struct xdpw_wlr_output {
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struct wl_list link;
uint32_t id;
struct wl_output *output;
struct zxdg_output_v1 *xdg_output;
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char *make;
char *model;
char *name;
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int width;
int height;
float framerate;
};
void randname(char *buf);
enum spa_video_format xdpw_format_pw_from_wl_shm(
struct xdpw_screencast_instance *cast);
enum spa_video_format xdpw_format_pw_strip_alpha(enum spa_video_format format);
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#endif /* SCREENCAST_COMMON_H */