265 lines
7.9 KiB
C
265 lines
7.9 KiB
C
#include "scrcpy.h"
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <libavformat/avformat.h>
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#include <sys/time.h>
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#include <SDL2/SDL.h>
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#include "command.h"
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#include "common.h"
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#include "controller.h"
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#include "decoder.h"
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#include "device.h"
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#include "events.h"
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#include "file_handler.h"
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#include "frames.h"
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#include "fps_counter.h"
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#include "input_manager.h"
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#include "log.h"
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#include "lock_util.h"
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#include "net.h"
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#include "screen.h"
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#include "server.h"
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#include "tiny_xpm.h"
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static struct server server = SERVER_INITIALIZER;
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static struct screen screen = SCREEN_INITIALIZER;
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static struct frames frames;
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static struct decoder decoder;
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static struct controller controller;
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static struct file_handler file_handler;
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static struct input_manager input_manager = {
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.controller = &controller,
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.frames = &frames,
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.screen = &screen,
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};
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#if defined(__APPLE__) || defined(__WINDOWS__)
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# define CONTINUOUS_RESIZING_WORKAROUND
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#endif
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#ifdef CONTINUOUS_RESIZING_WORKAROUND
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// On Windows and MacOS, resizing blocks the event loop, so resizing events are
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// not triggered. As a workaround, handle them in an event handler.
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//
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// <https://bugzilla.libsdl.org/show_bug.cgi?id=2077>
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// <https://stackoverflow.com/a/40693139/1987178>
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static int event_watcher(void *data, SDL_Event *event) {
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if (event->type == SDL_WINDOWEVENT && event->window.event == SDL_WINDOWEVENT_RESIZED) {
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// called from another thread, not very safe, but it's a workaround!
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screen_render(&screen);
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}
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return 0;
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}
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#endif
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static SDL_bool is_apk(const char *file) {
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const char *ext = strrchr(file, '.');
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return ext && !strcmp(ext, ".apk");
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}
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static SDL_bool event_loop(void) {
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#ifdef CONTINUOUS_RESIZING_WORKAROUND
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SDL_AddEventWatch(event_watcher, NULL);
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#endif
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SDL_Event event;
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while (SDL_WaitEvent(&event)) {
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switch (event.type) {
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case EVENT_DECODER_STOPPED:
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LOGD("Video decoder stopped");
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return SDL_FALSE;
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case SDL_QUIT:
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LOGD("User requested to quit");
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return SDL_TRUE;
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case EVENT_NEW_FRAME:
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if (!screen.has_frame) {
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screen.has_frame = SDL_TRUE;
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// this is the very first frame, show the window
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screen_show_window(&screen);
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}
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if (!screen_update_frame(&screen, &frames)) {
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return SDL_FALSE;
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}
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break;
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case SDL_WINDOWEVENT:
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switch (event.window.event) {
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case SDL_WINDOWEVENT_EXPOSED:
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case SDL_WINDOWEVENT_SIZE_CHANGED:
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screen_render(&screen);
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break;
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}
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break;
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case SDL_TEXTINPUT:
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input_manager_process_text_input(&input_manager, &event.text);
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break;
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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input_manager_process_key(&input_manager, &event.key);
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break;
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case SDL_MOUSEMOTION:
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input_manager_process_mouse_motion(&input_manager, &event.motion);
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break;
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case SDL_MOUSEWHEEL:
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input_manager_process_mouse_wheel(&input_manager, &event.wheel);
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break;
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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input_manager_process_mouse_button(&input_manager, &event.button);
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break;
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case SDL_DROPFILE: {
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file_handler_action_t action;
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if (is_apk(event.drop.file)) {
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action = ACTION_INSTALL_APK;
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} else {
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action = ACTION_PUSH_FILE;
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}
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file_handler_request(&file_handler, action, event.drop.file);
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break;
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}
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}
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}
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return SDL_FALSE;
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}
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static process_t set_show_touches_enabled(const char *serial, SDL_bool enabled) {
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const char *value = enabled ? "1" : "0";
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const char *const adb_cmd[] = {
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"shell", "settings", "put", "system", "show_touches", value
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};
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return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
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}
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static void wait_show_touches(process_t process) {
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// reap the process, ignore the result
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process_check_success(process, "show_touches");
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}
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SDL_bool scrcpy(const struct scrcpy_options *options) {
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if (!server_start(&server, options->serial, options->port,
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options->max_size, options->bit_rate, options->crop)) {
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return SDL_FALSE;
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}
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process_t proc_show_touches = PROCESS_NONE;
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SDL_bool show_touches_waited;
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if (options->show_touches) {
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LOGI("Enable show_touches");
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proc_show_touches = set_show_touches_enabled(options->serial, SDL_TRUE);
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show_touches_waited = SDL_FALSE;
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}
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SDL_bool ret = SDL_TRUE;
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if (!SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1")) {
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LOGW("Cannot request to keep default signal handlers");
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}
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if (!sdl_init_and_configure()) {
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ret = SDL_FALSE;
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goto finally_destroy_server;
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}
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socket_t device_socket = server_connect_to(&server);
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if (device_socket == INVALID_SOCKET) {
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server_stop(&server);
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ret = SDL_FALSE;
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goto finally_destroy_server;
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}
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char device_name[DEVICE_NAME_FIELD_LENGTH];
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struct size frame_size;
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// screenrecord does not send frames when the screen content does not change
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// therefore, we transmit the screen size before the video stream, to be able
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// to init the window immediately
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if (!device_read_info(device_socket, device_name, &frame_size)) {
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server_stop(&server);
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ret = SDL_FALSE;
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goto finally_destroy_server;
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}
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if (!frames_init(&frames)) {
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server_stop(&server);
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ret = SDL_FALSE;
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goto finally_destroy_server;
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}
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if (!file_handler_init(&file_handler, server.serial)) {
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ret = SDL_FALSE;
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server_stop(&server);
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goto finally_destroy_frames;
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}
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decoder_init(&decoder, &frames, device_socket);
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// now we consumed the header values, the socket receives the video stream
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// start the decoder
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if (!decoder_start(&decoder)) {
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ret = SDL_FALSE;
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server_stop(&server);
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goto finally_destroy_file_handler;
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}
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if (!controller_init(&controller, device_socket)) {
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ret = SDL_FALSE;
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goto finally_stop_decoder;
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}
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if (!controller_start(&controller)) {
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ret = SDL_FALSE;
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goto finally_destroy_controller;
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}
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if (!screen_init_rendering(&screen, device_name, frame_size)) {
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ret = SDL_FALSE;
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goto finally_stop_and_join_controller;
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}
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if (options->show_touches) {
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wait_show_touches(proc_show_touches);
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show_touches_waited = SDL_TRUE;
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}
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if (options->fullscreen) {
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screen_switch_fullscreen(&screen);
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}
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ret = event_loop();
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LOGD("quit...");
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screen_destroy(&screen);
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finally_stop_and_join_controller:
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controller_stop(&controller);
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controller_join(&controller);
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finally_destroy_controller:
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controller_destroy(&controller);
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finally_stop_decoder:
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decoder_stop(&decoder);
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// stop the server before decoder_join() to wake up the decoder
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server_stop(&server);
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decoder_join(&decoder);
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finally_destroy_file_handler:
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file_handler_stop(&file_handler);
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file_handler_join(&file_handler);
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file_handler_destroy(&file_handler);
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finally_destroy_frames:
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frames_destroy(&frames);
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finally_destroy_server:
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if (options->show_touches) {
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if (!show_touches_waited) {
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// wait the process which enabled "show touches"
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wait_show_touches(proc_show_touches);
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}
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LOGI("Disable show_touches");
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proc_show_touches = set_show_touches_enabled(options->serial, SDL_FALSE);
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wait_show_touches(proc_show_touches);
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}
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server_destroy(&server);
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return ret;
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}
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