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https://github.com/hyprwm/xdg-desktop-portal-hyprland.git
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Add exec_before and exec_after
Adds an option to execute some program before and after screencast (e.g. for disabling notifications during a cast)
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4 changed files with 52 additions and 0 deletions
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@ -6,6 +6,8 @@
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struct config_screencast {
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char *output_name;
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double max_fps;
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char *exec_before;
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char *exec_after;
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};
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struct xdpw_config {
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@ -20,6 +20,8 @@ void finish_config(struct xdpw_config *config) {
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// screencast
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free(&config->screencast_conf.output_name);
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free(&config->screencast_conf.exec_before);
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free(&config->screencast_conf.exec_after);
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}
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static void getstring_from_conffile(dictionary *d,
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@ -79,6 +81,8 @@ static void config_parse_file(const char *configfile, struct xdpw_config *config
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// screencast
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getstring_from_conffile(d, "screencast:output_name", &config->screencast_conf.output_name, NULL);
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getdouble_from_conffile(d, "screencast:max_fps", &config->screencast_conf.max_fps, 0);
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getstring_from_conffile(d, "screencast:exec_before", &config->screencast_conf.exec_before, NULL);
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getstring_from_conffile(d, "screencast:exec_after", &config->screencast_conf.exec_after, NULL);
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iniparser_freedict(d);
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logprint(DEBUG, "config: config file parsed");
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@ -18,8 +18,36 @@
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static const char object_path[] = "/org/freedesktop/portal/desktop";
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static const char interface_name[] = "org.freedesktop.impl.portal.ScreenCast";
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void exec_with_shell(char *command) {
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pid_t pid = fork();
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if (pid < 0) {
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perror("fork");
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} else if (pid == 0) {
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char *const argv[] = {
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"sh",
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"-c",
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command,
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NULL,
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};
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execvp("sh", argv);
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perror("execvp");
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exit(127);
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}
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}
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void xdpw_screencast_instance_init(struct xdpw_screencast_context *ctx,
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struct xdpw_screencast_instance *cast, struct xdpw_wlr_output *out, bool with_cursor) {
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// only run exec_before if there's no other instance running that already ran it
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if (wl_list_empty(&ctx->screencast_instances)) {
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char *exec_before = ctx->state->config->screencast_conf.exec_before;
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if (exec_before) {
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logprint(INFO, "xdpw: executing %s before screencast", exec_before);
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exec_with_shell(exec_before);
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}
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}
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cast->ctx = ctx;
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cast->target_output = out;
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cast->framerate = out->framerate;
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@ -34,6 +62,16 @@ void xdpw_screencast_instance_init(struct xdpw_screencast_context *ctx,
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void xdpw_screencast_instance_destroy(struct xdpw_screencast_instance *cast) {
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assert(cast->refcount == 0); // Fails assert if called by screencast_finish
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logprint(DEBUG, "xdpw: destroying cast instance");
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// make sure this is the last running instance that is being destroyed
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if (wl_list_length(&cast->link) == 1) {
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char *exec_after = cast->ctx->state->config->screencast_conf.exec_after;
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if (exec_after) {
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logprint(INFO, "xdpw: executing %s after screencast", exec_after);
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exec_with_shell(exec_after);
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}
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}
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wl_list_remove(&cast->link);
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xdpw_pwr_stream_destroy(cast);
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free(cast);
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@ -25,6 +25,8 @@ The configuration files use the INI file format. Example:
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[screencast]
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output_name=HDMI-A-1
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max_fps=30
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exec_before=disable_notifications.sh
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exec_after=enable_notifications.sh
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```
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# SCREENCAST OPTIONS
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@ -44,6 +46,12 @@ These options need to be placed under the **[screencast]** section.
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This is useful to reduce CPU usage when capturing frames at the output's
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refresh rate is unnecessary.
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**exec_before** = _command_
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Execute _command_ before starting a screencast. The command will be executed within sh.
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**exec_after** = _command_
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Execute _command_ after ending all screencasts. The command will be executed within sh.
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# SEE ALSO
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**pipewire**(1)
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