/** * driver_find_prev: * @label : string of driver type to be found. * @s : identifier of driver to be found. * @len : size of @s. * * Find previous driver in driver array. **/ static bool driver_find_prev(const char *label, char *s, size_t len) { int i = driver_find_index(label, s); if (i > 0) find_driver_nonempty(label, i - 1, s, len); else { RARCH_WARN( "Couldn't find any previous driver (current one: \"%s\").\n", s); return false; } return true; }
/** * driver_find_next: * @label : string of driver type to be found. * @s : identifier of driver to be found. * @len : size of @s. * * Find next driver in driver array. **/ bool driver_find_next(const char *label, char *s, size_t len) { int i = driver_find_index(label, s); if (i >= 0 && !string_is_equal(s, "null")) find_driver_nonempty(label, i + 1, s, len); else { RARCH_WARN("%s (current one: \"%s\").\n", msg_hash_to_str(MSG_COULD_NOT_FIND_ANY_NEXT_DRIVER), s); return false; } return true; }
bool driver_ctl(enum driver_ctl_state state, void *data) { switch (state) { case RARCH_DRIVER_CTL_DEINIT: video_driver_destroy(); audio_driver_destroy(); input_driver_destroy(); #ifdef HAVE_MENU menu_driver_destroy(); #endif location_driver_ctl(RARCH_LOCATION_CTL_DESTROY, NULL); camera_driver_ctl(RARCH_CAMERA_CTL_DESTROY, NULL); wifi_driver_ctl(RARCH_WIFI_CTL_DESTROY, NULL); core_uninit_libretro_callbacks(); break; case RARCH_DRIVER_CTL_INIT_PRE: audio_driver_find_driver(); video_driver_find_driver(); input_driver_find_driver(); camera_driver_ctl(RARCH_CAMERA_CTL_FIND_DRIVER, NULL); wifi_driver_ctl(RARCH_WIFI_CTL_FIND_DRIVER, NULL); find_location_driver(); #ifdef HAVE_MENU menu_driver_ctl(RARCH_MENU_CTL_FIND_DRIVER, NULL); #endif break; case RARCH_DRIVER_CTL_SET_REFRESH_RATE: { float *hz = (float*)data; video_monitor_set_refresh_rate(*hz); audio_driver_monitor_set_rate(); driver_adjust_system_rates(); } break; case RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO: { const struct retro_system_av_info **info = (const struct retro_system_av_info**)data; if (info) return driver_update_system_av_info(*info); } return false; case RARCH_DRIVER_CTL_FIND_FIRST: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_first(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_LAST: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_last(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_PREV: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_prev(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_NEXT: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_next(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_INDEX: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; drv->len = driver_find_index(drv->label, drv->s); } break; case RARCH_DRIVER_CTL_NONE: default: break; } return true; }