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