scrcpy/app/src/usb/usb.h
Romain Vimont b88c4aa75e Add move-function for sc_usb_device
Add a function to "move" a sc_usb_device into another instance.

This will avoid unnecessary copies.

PR #3005 <https://github.com/Genymobile/scrcpy/pull/3005>
2022-02-09 09:55:23 +01:00

81 lines
1.7 KiB
C

#ifndef SC_USB_H
#define SC_USB_H
#include "common.h"
#include <stdbool.h>
#include <libusb-1.0/libusb.h>
#include "util/thread.h"
struct sc_usb {
libusb_context *context;
libusb_device_handle *handle;
const struct sc_usb_callbacks *cbs;
void *cbs_userdata;
bool has_callback_handle;
libusb_hotplug_callback_handle callback_handle;
bool has_libusb_event_thread;
sc_thread libusb_event_thread;
atomic_bool stopped; // only used if cbs != NULL
};
struct sc_usb_callbacks {
void (*on_disconnected)(struct sc_usb *usb, void *userdata);
};
struct sc_usb_device {
libusb_device *device;
char *serial;
char *manufacturer;
char *product;
uint16_t vid;
uint16_t pid;
};
void
sc_usb_device_destroy(struct sc_usb_device *usb_device);
/**
* Move src to dst
*
* After this call, the content of src is undefined, except that
* sc_usb_device_destroy() can be called.
*
* This is useful to take a device from a list that will be destroyed, without
* making unnecessary copies.
*/
void
sc_usb_device_move(struct sc_usb_device *dst, struct sc_usb_device *src);
void
sc_usb_devices_destroy_all(struct sc_usb_device *usb_devices, size_t count);
bool
sc_usb_init(struct sc_usb *usb);
void
sc_usb_destroy(struct sc_usb *usb);
ssize_t
sc_usb_find_devices(struct sc_usb *usb, const char *serial,
struct sc_usb_device *devices, size_t len);
bool
sc_usb_connect(struct sc_usb *usb, libusb_device *device,
const struct sc_usb_callbacks *cbs, void *cbs_userdata);
void
sc_usb_disconnect(struct sc_usb *usb);
void
sc_usb_stop(struct sc_usb *usb);
void
sc_usb_join(struct sc_usb *usb);
#endif