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scrcpy/app/src/controller.h

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Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
#ifndef CONTROLLER_H
#define CONTROLLER_H
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-02 23:52:22 +01:00
#include <stdbool.h>
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
#include <SDL2/SDL_mutex.h>
Replace SDL_net by custom implementation SDL_net is not very suitable for scrcpy. For example, SDLNet_TCP_Accept() is non-blocking, so we have to wrap it by calling many SDL_Net-specific functions to make it blocking. But above all, SDLNet_TCP_Open() is a server socket only when no IP is provided; otherwise, it's a client socket. Therefore, it is not possible to create a server socket bound to localhost, so it accepts connections from anywhere. This is a problem for scrcpy, because on start, the application listens for nearly 1 second until it accepts the first connection, supposedly from the device. If someone on the local network manages to connect to the server socket first, then they can stream arbitrary H.264 video. This may be troublesome, for example during a public presentation ;-) Provide our own simplified API (net.h) instead, implemented for the different platforms.
2018-02-15 22:59:21 +01:00
#include <SDL2/SDL_thread.h>
Include config.h everywhere Ref: <https://github.com/Genymobile/scrcpy/issues/829> Suggested-by: Louis Kruger <louisk@gmail.com>
2019-09-29 22:36:56 +02:00
#include "config.h"
Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
#include "control_msg.h"
Add device event receiver Create a separate component to handle device events, managed by the controller.
2019-05-30 00:25:37 +02:00
#include "receiver.h"
Move utilities to util/
2019-11-24 11:53:00 +01:00
#include "util/cbuf.h"
#include "util/net.h"
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
struct control_msg_queue CBUF(struct control_msg, 64);
Use cbuf for control event queue Replace the control_event_queue implementation by cbuf.
2019-05-29 21:24:30 +02:00
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
struct controller {
Use two sockets for video and control The socket used the device-to-computer direction to stream the video and the computer-to-device direction to send control events. Some features, like copy-paste from device to computer, require to send non-video data from the device to the computer. To make them possible, use two sockets: - one for streaming the video from the device to the client; - one for control/events in both directions.
2019-05-28 21:03:54 +02:00
socket_t control_socket;
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
SDL_Thread *thread;
SDL_mutex *mutex;
Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
SDL_cond *msg_cond;
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-02 23:52:22 +01:00
bool stopped;
Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
struct control_msg_queue queue;
Add device event receiver Create a separate component to handle device events, managed by the controller.
2019-05-30 00:25:37 +02:00
struct receiver receiver;
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
};
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-02 23:52:22 +01:00
bool
Use two sockets for video and control The socket used the device-to-computer direction to stream the video and the computer-to-device direction to send control events. Some features, like copy-paste from device to computer, require to send non-video data from the device to the computer. To make them possible, use two sockets: - one for streaming the video from the device to the client; - one for control/events in both directions.
2019-05-28 21:03:54 +02:00
controller_init(struct controller *controller, socket_t control_socket);
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-02 20:09:56 +01:00
void
controller_destroy(struct controller *controller);
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-02 23:52:22 +01:00
bool
Update code style Limit source code to 80 chars, and declare functions return type and modifiers on a separate line. This allows to avoid very long lines, and all function names are aligned. (We do this on VLC, and I like it.)
2019-03-02 20:09:56 +01:00
controller_start(struct controller *controller);
void
controller_stop(struct controller *controller);
void
controller_join(struct controller *controller);
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
Replace SDL types by C99 standard types Scrcpy is a C11 project. Use the C99 standard types instead of the SDL-specific types: SDL_bool -> bool SintXX -> intXX_t UintXX -> uintXX_t
2019-03-02 23:52:22 +01:00
bool
Rename "event" to "message" After the recent refactorings, a "control event" is not necessarily an "event" (it may be a "command"). Similarly, the unique "device event" used to send the device clipboard content is more a "reponse" to the request from the client than an "event". Rename both to "message", and rename the message types to better describe their intent.
2019-05-31 14:55:11 +02:00
controller_push_msg(struct controller *controller,
const struct control_msg *msg);
Implement keyboard/mouse control To control the device from the computer: - retrieve mouse and keyboard SDL events; - convert them to Android events; - serialize them; - send them on the same socket used by the video stream (but in the opposite direction); - deserialize the events on the Android side; - inject them using the InputManager.
2017-12-14 11:38:44 +01:00
#endif
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