Remove sc_str_quote()

It is no longer used.

PR #6663 <https://github.com/Genymobile/scrcpy/pull/6663>

app/meson.build

@@ -15,7 +15,6 @@ src = [
     'src/delay_buffer.c',
     'src/demuxer.c',
     'src/device_msg.c',
-    'src/disconnect.c',
     'src/events.c',
     'src/icon.c',
     'src/file_pusher.c',
@@ -58,7 +57,6 @@ src = [
     'src/util/process.c',
     'src/util/process_intr.c',
     'src/util/rand.c',
-    'src/util/rect.c',
     'src/util/sdl.c',
     'src/util/strbuf.c',
     'src/util/str.c',
@@ -77,6 +75,7 @@ conf.set('_GNU_SOURCE', true)
 if host_machine.system() == 'windows'
     windows = import('windows')
     src += [
+        'src/util/command.c',
         'src/sys/win/file.c',
         'src/sys/win/process.c',
         windows.compile_resources('scrcpy-windows.rc'),
@@ -106,7 +105,6 @@ if usb_support
         'src/usb/keyboard_aoa.c',
         'src/usb/mouse_aoa.c',
         'src/usb/scrcpy_otg.c',
-        'src/usb/screen_otg.c',
         'src/usb/usb.c',
     ]
 endif
@@ -193,7 +191,8 @@ executable('scrcpy', src,
 datadir = get_option('datadir') # by default 'share'
 
 install_man('scrcpy.1')
-install_data('data/scrcpy.png',
+install_data('data/icon.png',
+             rename: 'scrcpy.png',
              install_dir: datadir / 'icons/hicolor/256x256/apps')
 install_data('data/zsh-completion/_scrcpy',
              install_dir: datadir / 'zsh/site-functions')
@@ -240,6 +239,12 @@ if get_option('buildtype') == 'debug'
             'src/util/strbuf.c',
             'src/util/term.c',
         ]],
+        ['test_command_windows', [
+          'tests/test_command_windows.c',
+          'src/util/command.c',
+          'src/util/str.c',
+          'src/util/strbuf.c',
+        ]],
         ['test_control_msg_serialize', [
             'tests/test_control_msg_serialize.c',
             'src/control_msg.c',
@@ -284,6 +289,6 @@ endif
 
 if meson.version().version_compare('>= 0.58.0')
        devenv = environment()
-       devenv.set('SCRCPY_ICON_DIR', meson.current_source_dir() / 'data')
+       devenv.set('SCRCPY_ICON_PATH', meson.current_source_dir() / 'data/icon.png')
        meson.add_devenv(devenv)
 endif

app/scrcpy.1

@@ -851,8 +851,8 @@ Path to adb.
 Device serial to use if no selector (\fB-s\fR, \fB-d\fR, \fB-e\fR or \fB\-\-tcpip=\fIaddr\fR) is specified.
 
 .TP
-.B SCRCPY_ICON_DIR
-Path to the icon directory.
+.B SCRCPY_ICON_PATH
+Path to the program icon.
 
 .TP
 .B SCRCPY_SERVER_PATH

app/src/adb/adb.c

@@ -331,56 +331,24 @@ sc_adb_reverse_remove(struct sc_intr *intr, const char *serial,
 bool
 sc_adb_push(struct sc_intr *intr, const char *serial, const char *local,
             const char *remote, unsigned flags) {
-#ifdef _WIN32
-    // Windows will parse the string, so the paths must be quoted
-    // (see sys/win/command.c)
-    local = sc_str_quote(local);
-    if (!local) {
-        return SC_PROCESS_NONE;
-    }
-    remote = sc_str_quote(remote);
-    if (!remote) {
-        free((void *) local);
-        return SC_PROCESS_NONE;
-    }
-#endif
-
     assert(serial);
     const char *const argv[] =
         SC_ADB_COMMAND("-s", serial, "push", local, remote);
 
     sc_pid pid = sc_adb_execute(argv, flags);
 
-#ifdef _WIN32
-    free((void *) remote);
-    free((void *) local);
-#endif
-
     return process_check_success_intr(intr, pid, "adb push", flags);
 }
 
 bool
 sc_adb_install(struct sc_intr *intr, const char *serial, const char *local,
                unsigned flags) {
-#ifdef _WIN32
-    // Windows will parse the string, so the local name must be quoted
-    // (see sys/win/command.c)
-    local = sc_str_quote(local);
-    if (!local) {
-        return SC_PROCESS_NONE;
-    }
-#endif
-
     assert(serial);
     const char *const argv[] =
         SC_ADB_COMMAND("-s", serial, "install", "-r", local);
 
     sc_pid pid = sc_adb_execute(argv, flags);
 
-#ifdef _WIN32
-    free((void *) local);
-#endif
-
     return process_check_success_intr(intr, pid, "adb install", flags);
 }
 

app/src/cli.c

@@ -1249,8 +1249,8 @@ static const struct sc_envvar envvars[] = {
                 "--tcpip=<addr>) is specified",
     },
     {
-        .name = "SCRCPY_ICON_DIR",
-        .text = "Path to the icon directory",
+        .name = "SCRCPY_ICON_PATH",
+        .text = "Path to the program icon",
     },
     {
         .name = "SCRCPY_SERVER_PATH",

app/src/disconnect.c

@@ -1,89 +0,0 @@
-#include "disconnect.h"
-
-#include <assert.h>
-
-#include "icon.h"
-#include "util/log.h"
-
-static int
-run(void *userdata) {
-    struct sc_disconnect *d = userdata;
-
-    SDL_Surface *icon = sc_icon_load(SC_ICON_FILENAME_DISCONNECTED);
-    if (icon) {
-        d->cbs->on_icon_loaded(d, icon, d->cbs_userdata);
-    } else {
-        LOGE("Could not load disconnected icon");
-    }
-
-    if (d->deadline != SC_TICK_NONE) {
-        sc_mutex_lock(&d->mutex);
-        bool timed_out = false;
-        while (!d->interrupted && !timed_out) {
-            timed_out = !sc_cond_timedwait(&d->cond, &d->mutex, d->deadline);
-        }
-        sc_mutex_unlock(&d->mutex);
-
-        if (!d->interrupted) {
-            d->cbs->on_timeout(d, d->cbs_userdata);
-        }
-    }
-
-    return 0;
-}
-
-bool
-sc_disconnect_start(struct sc_disconnect *d, sc_tick deadline,
-                    const struct sc_disconnect_callbacks *cbs,
-                    void *cbs_userdata) {
-    bool ok = sc_mutex_init(&d->mutex);
-    if (!ok) {
-        return false;
-    }
-
-    ok = sc_cond_init(&d->cond);
-    if (!ok) {
-        goto error_destroy_mutex;
-    }
-
-    ok = sc_thread_create(&d->thread, run, "scrcpy-dis", d);
-    if (!ok) {
-        goto error_destroy_cond;
-    }
-
-    d->deadline = deadline;
-    d->interrupted = false;
-
-    assert(cbs && cbs->on_icon_loaded && cbs->on_timeout);
-    d->cbs = cbs;
-    d->cbs_userdata = cbs_userdata;
-
-    return true;
-
-error_destroy_mutex:
-    sc_mutex_destroy(&d->mutex);
-error_destroy_cond:
-    sc_cond_destroy(&d->cond);
-
-    return false;
-}
-
-void
-sc_disconnect_interrupt(struct sc_disconnect *d) {
-    sc_mutex_lock(&d->mutex);
-    d->interrupted = true;
-    sc_mutex_unlock(&d->mutex);
-    // wake up blocking wait
-    sc_cond_signal(&d->cond);
-}
-
-void
-sc_disconnect_join(struct sc_disconnect *d) {
-    sc_thread_join(&d->thread, NULL);
-}
-
-void
-sc_disconnect_destroy(struct sc_disconnect *d) {
-    sc_cond_destroy(&d->cond);
-    sc_mutex_destroy(&d->mutex);
-}

app/src/disconnect.h

@@ -1,47 +0,0 @@
-#ifndef SC_DISCONNECT
-#define SC_DISCONNECT
-
-#include "common.h"
-
-#include "SDL3/SDL_surface.h"
-#include "util/tick.h"
-#include "util/thread.h"
-
-// Tool to handle loading the icon and signal timeout when the device is
-// unexpectedly disconnected
-struct sc_disconnect {
-    sc_tick deadline;
-
-    struct sc_thread thread;
-    struct sc_mutex mutex;
-    struct sc_cond cond;
-    bool interrupted;
-
-    const struct sc_disconnect_callbacks *cbs;
-    void *cbs_userdata;
-};
-
-struct sc_disconnect_callbacks {
-    // Called when the disconnected icon is loaded
-    void (*on_icon_loaded)(struct sc_disconnect *d, SDL_Surface *icon,
-                           void *userdata);
-
-    // Called when the timeout expired (the scrcpy window must be closed)
-    void (*on_timeout)(struct sc_disconnect *d, void *userdata);
-};
-
-bool
-sc_disconnect_start(struct sc_disconnect *d, sc_tick deadline,
-                    const struct sc_disconnect_callbacks *cbs,
-                    void *cbs_userdata);
-
-void
-sc_disconnect_interrupt(struct sc_disconnect *d);
-
-void
-sc_disconnect_join(struct sc_disconnect *d);
-
-void
-sc_disconnect_destroy(struct sc_disconnect *d);
-
-#endif

app/src/events.c

@@ -6,13 +6,9 @@
 #include "util/thread.h"
 
 bool
-sc_push_event_impl(uint32_t type, void* ptr, const char *name) {
-    SDL_Event event = {
-        .user = {
-            .type = type,
-            .data1 = ptr,
-        }
-    };
+sc_push_event_impl(uint32_t type, const char *name) {
+    SDL_Event event;
+    event.type = type;
     bool ok = SDL_PushEvent(&event);
     if (!ok) {
         LOGE("Could not post %s event: %s", name, SDL_GetError());

app/src/events.h

@@ -19,15 +19,12 @@ enum {
     SC_EVENT_TIME_LIMIT_REACHED,
     SC_EVENT_CONTROLLER_ERROR,
     SC_EVENT_AOA_OPEN_ERROR,
-    SC_EVENT_DISCONNECTED_ICON_LOADED,
-    SC_EVENT_DISCONNECTED_TIMEOUT,
 };
 
 bool
-sc_push_event_impl(uint32_t type, void* ptr, const char *name);
+sc_push_event_impl(uint32_t type, const char *name);
 
-#define sc_push_event(TYPE) sc_push_event_impl(TYPE, NULL, # TYPE)
-#define sc_push_event_with_data(TYPE, PTR) sc_push_event_impl(TYPE, PTR, # TYPE)
+#define sc_push_event(TYPE) sc_push_event_impl(TYPE, # TYPE)
 
 typedef void (*sc_runnable_fn)(void *userdata);
 

app/src/icon.c

@@ -14,37 +14,33 @@
 
 #include "config.h"
 #include "util/env.h"
-#include "util/file.h"
+#ifdef PORTABLE
+# include "util/file.h"
+#endif
 #include "util/log.h"
 
-#define SCRCPY_DEFAULT_ICON_DIR PREFIX "/share/icons/hicolor/256x256/apps"
+#define SCRCPY_PORTABLE_ICON_FILENAME "icon.png"
+#define SCRCPY_DEFAULT_ICON_PATH \
+    PREFIX "/share/icons/hicolor/256x256/apps/scrcpy.png"
 
 static char *
-get_icon_path(const char *filename) {
-    char *icon_path;
-
-    char *icon_dir = sc_get_env("SCRCPY_ICON_DIR");
-    if (icon_dir) {
+get_icon_path(void) {
+    char *icon_path = sc_get_env("SCRCPY_ICON_PATH");
+    if (icon_path) {
         // if the envvar is set, use it
-        icon_path = sc_file_build_path(icon_dir, filename);
-        free(icon_dir);
-        if (!icon_path) {
-            LOG_OOM();
-            return NULL;
-        }
-        LOGD("Using icon from SCRCPY_ICON_DIR: %s", icon_path);
+        LOGD("Using SCRCPY_ICON_PATH: %s", icon_path);
         return icon_path;
     }
 
 #ifndef PORTABLE
-    icon_path = sc_file_build_path(SCRCPY_DEFAULT_ICON_DIR, filename);
+    LOGD("Using icon: " SCRCPY_DEFAULT_ICON_PATH);
+    icon_path = strdup(SCRCPY_DEFAULT_ICON_PATH);
     if (!icon_path) {
         LOG_OOM();
         return NULL;
     }
-    LOGD("Using icon: %s", icon_path);
 #else
-    icon_path = sc_file_get_local_path(filename);
+    icon_path = sc_file_get_local_path(SCRCPY_PORTABLE_ICON_FILENAME);
     if (!icon_path) {
         LOGE("Could not get icon path");
         return NULL;
@@ -181,7 +177,7 @@ to_sdl_pixel_format(enum AVPixelFormat fmt) {
 }
 
 static SDL_Surface *
-sc_icon_load_from_full_path(const char *path) {
+load_from_path(const char *path) {
     AVFrame *frame = decode_image(path);
     if (!frame) {
         return NULL;
@@ -278,19 +274,19 @@ error:
 }
 
 SDL_Surface *
-sc_icon_load(const char *filename) {
-    char *icon_path = get_icon_path(filename);
+scrcpy_icon_load(void) {
+    char *icon_path = get_icon_path();
     if (!icon_path) {
         return NULL;
     }
 
-    SDL_Surface *icon = sc_icon_load_from_full_path(icon_path);
+    SDL_Surface *icon = load_from_path(icon_path);
     free(icon_path);
     return icon;
 }
 
 void
-sc_icon_destroy(SDL_Surface *icon) {
+scrcpy_icon_destroy(SDL_Surface *icon) {
     SDL_PropertiesID props = SDL_GetSurfaceProperties(icon);
     assert(props);
     AVFrame *frame = SDL_GetPointerProperty(props, "sc_frame", NULL);

app/src/icon.h

@@ -5,13 +5,10 @@
 
 #include <SDL3/SDL_surface.h>
 
-#define SC_ICON_FILENAME_SCRCPY "scrcpy.png"
-#define SC_ICON_FILENAME_DISCONNECTED "disconnected.png"
-
 SDL_Surface *
-sc_icon_load(const char *filename);
+scrcpy_icon_load(void);
 
 void
-sc_icon_destroy(SDL_Surface *icon);
+scrcpy_icon_destroy(SDL_Surface *icon);
 
 #endif

app/src/input_manager.c

@@ -16,8 +16,6 @@
 void
 sc_input_manager_init(struct sc_input_manager *im,
                       const struct sc_input_manager_params *params) {
-    // A key/mouse processor may not be present if there is no controller
-    assert((!params->kp && !params->mp && !params->gp) || params->controller);
     // A processor must have ops initialized
     assert(!params->kp || params->kp->ops);
     assert(!params->mp || params->mp->ops);
@@ -1166,8 +1164,8 @@ sc_input_manager_handle_event(struct sc_input_manager *im,
         case SDL_EVENT_GAMEPAD_BUTTON_UP:
             sc_input_manager_process_gamepad_button(im, &event->gbutton);
             break;
-        case SDL_EVENT_DROP_FILE: {
+        case SDL_EVENT_DROP_FILE:
             sc_input_manager_process_file(im, &event->drop);
-        }
+            break;
     }
 }

app/src/recorder.c

@@ -444,7 +444,7 @@ sc_recorder_process_packets(struct sc_recorder *recorder) {
     int ret = av_write_trailer(recorder->ctx);
     if (ret < 0) {
         LOGE("Failed to write trailer to %s", recorder->filename);
-        error = false;
+        error = true;
     }
 
 end:

app/src/scrcpy.c

@@ -167,41 +167,23 @@ sdl_configure(bool video_playback, bool disable_screensaver) {
 }
 
 static enum scrcpy_exit_code
-event_loop(struct scrcpy *s, bool has_screen, bool disconnected) {
+event_loop(struct scrcpy *s, bool has_screen) {
     SDL_Event event;
     while (SDL_WaitEvent(&event)) {
         switch (event.type) {
             case SC_EVENT_DEVICE_DISCONNECTED:
-                if (disconnected) {
-                    break;
-                }
                 LOGW("Device disconnected");
-                if (has_screen && !sc_screen_handle_event(&s->screen, &event)) {
-                    return SCRCPY_EXIT_FAILURE;
-                }
                 return SCRCPY_EXIT_DISCONNECTED;
             case SC_EVENT_DEMUXER_ERROR:
-                if (disconnected) {
-                    break;
-                }
                 LOGE("Demuxer error");
                 return SCRCPY_EXIT_FAILURE;
             case SC_EVENT_CONTROLLER_ERROR:
-                if (disconnected) {
-                    break;
-                }
                 LOGE("Controller error");
                 return SCRCPY_EXIT_FAILURE;
             case SC_EVENT_RECORDER_ERROR:
-                if (disconnected) {
-                    break;
-                }
                 LOGE("Recorder error");
                 return SCRCPY_EXIT_FAILURE;
             case SC_EVENT_AOA_OPEN_ERROR:
-                if (disconnected) {
-                    break;
-                }
                 LOGE("AOA open error");
                 return SCRCPY_EXIT_FAILURE;
             case SC_EVENT_TIME_LIMIT_REACHED:
@@ -210,9 +192,6 @@ event_loop(struct scrcpy *s, bool has_screen, bool disconnected) {
             case SDL_EVENT_QUIT:
                 LOGD("User requested to quit");
                 return SCRCPY_EXIT_SUCCESS;
-            case SC_EVENT_DISCONNECTED_TIMEOUT:
-                LOGD("Closing after device disconnection");
-                return SCRCPY_EXIT_DISCONNECTED;
             case SC_EVENT_RUN_ON_MAIN_THREAD: {
                 sc_runnable_fn run = event.user.data1;
                 void *userdata = event.user.data2;
@@ -220,8 +199,8 @@ event_loop(struct scrcpy *s, bool has_screen, bool disconnected) {
                 break;
             }
             default:
-                if (has_screen && !sc_screen_handle_event(&s->screen, &event)) {
-                    return SCRCPY_EXIT_FAILURE;
+                if (has_screen) {
+                    sc_screen_handle_event(&s->screen, &event);
                 }
                 break;
         }
@@ -585,7 +564,7 @@ scrcpy(struct scrcpy_options *options) {
 
     struct sc_file_pusher *fp = NULL;
 
-    if (options->video_playback && options->control) {
+    if (options->window && options->control) {
         if (!sc_file_pusher_init(&s->file_pusher, serial,
                                  options->push_target)) {
             goto end;
@@ -966,9 +945,16 @@ aoa_complete:
         }
     }
 
-    ret = event_loop(s, options->window, false);
+    ret = event_loop(s, options->window);
     terminate_event_loop();
-    bool disconnected = ret == SCRCPY_EXIT_DISCONNECTED;
+    LOGD("quit...");
+
+    if (options->window) {
+        // Close the window immediately on closing, because screen_destroy()
+        // may only be called once the video demuxer thread is joined (it may
+        // take time)
+        sc_screen_hide_window(&s->screen);
+    }
 
 end:
     if (timeout_started) {
@@ -1013,24 +999,6 @@ end:
         sc_server_stop(&s->server);
     }
 
-    if (options->window && ret != SCRCPY_EXIT_DISCONNECTED) {
-        // Close the window immediately, because sc_screen_destroy() may only be
-        // called once the video demuxer thread is joined (it may take time)
-        sc_screen_hide_window(&s->screen);
-    }
-
-    if (screen_initialized && options->window) {
-        if (disconnected) {
-            ret = event_loop(s, options->window, true);
-            sc_screen_interrupt_disconnect(&s->screen);
-        }
-        LOGD("Quit...");
-
-        // Close the window immediately, because sc_screen_destroy() may only be
-        // called once the video demuxer thread is joined (it may take time)
-        sc_screen_hide_window(&s->screen);
-    }
-
     if (timeout_started) {
         sc_timeout_join(&s->timeout);
     }

app/src/screen.c

@@ -8,7 +8,6 @@
 #include "icon.h"
 #include "options.h"
 #include "util/log.h"
-#include "util/rect.h"
 #include "util/sdl.h"
 
 #define DISPLAY_MARGINS 96
@@ -56,6 +55,16 @@ get_preferred_display_bounds(struct sc_size *bounds) {
     return true;
 }
 
+static bool
+is_optimal_size(struct sc_size current_size, struct sc_size content_size) {
+    // The size is optimal if we can recompute one dimension of the current
+    // size from the other
+    return current_size.height == current_size.width * content_size.height
+                                                     / content_size.width
+        || current_size.width == current_size.height * content_size.width
+                                                     / content_size.height;
+}
+
 // return the optimal size of the window, with the following constraints:
 //  - it attempts to keep at least one dimension of the current_size (i.e. it
 //    crops the black borders)
@@ -81,7 +90,7 @@ get_optimal_size(struct sc_size current_size, struct sc_size content_size,
         window_size.height = MIN(current_size.height, display_size.height);
     }
 
-    if (sc_rect_is_optimal_size(window_size, content_size)) {
+    if (is_optimal_size(window_size, content_size)) {
         return window_size;
     }
 
@@ -134,15 +143,53 @@ sc_screen_is_relative_mode(struct sc_screen *screen) {
     return screen->im.mp && screen->im.mp->relative_mode;
 }
 
+static void
+compute_content_rect(struct sc_size render_size, struct sc_size content_size,
+                     bool can_upscale, SDL_FRect *rect) {
+    if (is_optimal_size(render_size, content_size)) {
+        rect->x = 0;
+        rect->y = 0;
+        rect->w = render_size.width;
+        rect->h = render_size.height;
+        return;
+    }
+
+    if (!can_upscale && content_size.width <= render_size.width
+                     && content_size.height <= render_size.height) {
+        // Center without upscaling
+        rect->x = (render_size.width - content_size.width) / 2.f;
+        rect->y = (render_size.height - content_size.height) / 2.f;
+        rect->w = content_size.width;
+        rect->h = content_size.height;
+        return;
+    }
+
+    bool keep_width = content_size.width * render_size.height
+                    > content_size.height * render_size.width;
+    if (keep_width) {
+        rect->x = 0;
+        rect->w = render_size.width;
+        rect->h = (float) render_size.width * content_size.height
+                                            / content_size.width;
+        rect->y = (render_size.height - rect->h) / 2.f;
+    } else {
+        rect->y = 0;
+        rect->h = render_size.height;
+        rect->w = (float) render_size.height * content_size.width
+                                             / content_size.height;
+        rect->x = (render_size.width - rect->w) / 2.f;
+    }
+}
+
 static void
 sc_screen_update_content_rect(struct sc_screen *screen) {
     // Only upscale video frames, not icon
-    bool can_upscale = screen->video && !screen->disconnected;
+    bool can_upscale = screen->video;
 
     struct sc_size render_size =
         sc_sdl_get_render_output_size(screen->renderer);
-    sc_rect_get_content_location(render_size, screen->content_size, can_upscale,
-                                 &screen->rect);
+    compute_content_rect(render_size, screen->content_size, can_upscale,
+                         &screen->rect);
 }
 
 // render the texture to the renderer
@@ -163,9 +210,7 @@ sc_screen_render(struct sc_screen *screen, bool update_content_rect) {
     bool ok = false;
     SDL_Texture *texture = screen->tex.texture;
     if (!texture) {
-        if (!screen->disconnected) {
-            LOGW("No texture to render");
-        }
+        LOGW("No texture to render");
         goto end;
     }
 
@@ -301,8 +346,6 @@ sc_screen_init(struct sc_screen *screen,
     screen->paused = false;
     screen->resume_frame = NULL;
     screen->orientation = SC_ORIENTATION_0;
-    screen->disconnected = false;
-    screen->disconnect_started = false;
 
     screen->video = params->video;
     screen->camera = params->camera;
@@ -414,7 +457,7 @@ sc_screen_init(struct sc_screen *screen,
         goto error_destroy_texture;
     }
 
-    SDL_Surface *icon = sc_icon_load(SC_ICON_FILENAME_SCRCPY);
+    SDL_Surface *icon = scrcpy_icon_load();
     if (icon) {
         if (!SDL_SetWindowIcon(screen->window, icon)) {
             LOGW("Could not set window icon: %s", SDL_GetError());
@@ -429,7 +472,7 @@ sc_screen_init(struct sc_screen *screen,
             }
         }
 
-        sc_icon_destroy(icon);
+        scrcpy_icon_destroy(icon);
     } else {
         // not fatal
         LOGE("Could not load icon");
@@ -560,19 +603,9 @@ sc_screen_interrupt(struct sc_screen *screen) {
     sc_fps_counter_interrupt(&screen->fps_counter);
 }
 
-void
-sc_screen_interrupt_disconnect(struct sc_screen *screen) {
-    if (screen->disconnect_started) {
-        sc_disconnect_interrupt(&screen->disconnect);
-    }
-}
-
 void
 sc_screen_join(struct sc_screen *screen) {
     sc_fps_counter_join(&screen->fps_counter);
-    if (screen->disconnect_started) {
-        sc_disconnect_join(&screen->disconnect);
-    }
 }
 
 void
@@ -580,9 +613,6 @@ sc_screen_destroy(struct sc_screen *screen) {
 #ifndef NDEBUG
     assert(!screen->open);
 #endif
-    if (screen->disconnect_started) {
-        sc_disconnect_destroy(&screen->disconnect);
-    }
     sc_texture_destroy(&screen->tex);
     av_frame_free(&screen->frame);
 #ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
@@ -822,63 +852,38 @@ sc_screen_resize_to_pixel_perfect(struct sc_screen *screen) {
                                             content_size.height);
 }
 
-static void
-sc_disconnect_on_icon_loaded(struct sc_disconnect *d, SDL_Surface *icon,
-                             void *userdata) {
-    (void) d;
-    (void) userdata;
-
-    bool ok = sc_push_event_with_data(SC_EVENT_DISCONNECTED_ICON_LOADED, icon);
-    if (!ok) {
-        sc_icon_destroy(icon);
-    }
-}
-
-static void
-sc_disconnect_on_timeout(struct sc_disconnect *d, void *userdata) {
-    (void) d;
-    (void) userdata;
-
-    bool ok = sc_push_event(SC_EVENT_DISCONNECTED_TIMEOUT);
-    (void) ok; // ignore failure
-}
-
-bool
+void
 sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event) {
     // !video implies !has_video_window
     assert(screen->video || !screen->has_video_window);
     switch (event->type) {
         case SC_EVENT_NEW_FRAME: {
-            if (screen->disconnected) {
-                // ignore
-                return true;
-            }
             bool ok = sc_screen_update_frame(screen);
             if (!ok) {
                 LOGE("Frame update failed\n");
             }
-            return true;
+            return;
         }
         case SDL_EVENT_WINDOW_EXPOSED:
             if (!screen->video || screen->has_video_window) {
                 sc_screen_render(screen, true);
             }
-            return true;
+            return;
         case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
             if (screen->has_video_window) {
                 sc_screen_render(screen, true);
             }
-            return true;
+            return;
         case SDL_EVENT_WINDOW_RESTORED:
             if (screen->has_video_window && is_windowed(screen)) {
                 apply_pending_resize(screen);
                 sc_screen_render(screen, true);
             }
-            return true;
+            return;
         case SDL_EVENT_WINDOW_ENTER_FULLSCREEN:
             LOGD("Switched to fullscreen mode");
             assert(screen->has_video_window);
-            return true;
+            return;
         case SDL_EVENT_WINDOW_LEAVE_FULLSCREEN:
             LOGD("Switched to windowed mode");
             assert(screen->has_video_window);
@@ -886,55 +891,16 @@ sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event) {
                 apply_pending_resize(screen);
                 sc_screen_render(screen, true);
             }
-            return true;
-        case SC_EVENT_DEVICE_DISCONNECTED:
-            if (screen->disconnected) {
-                return true;
-            }
-            screen->disconnected = true;
-            sc_texture_reset(&screen->tex);
-            sc_screen_render(screen, true);
-
-            sc_tick deadline = sc_tick_now() + SC_TICK_FROM_SEC(2);
-            static const struct sc_disconnect_callbacks cbs = {
-                .on_icon_loaded = sc_disconnect_on_icon_loaded,
-                .on_timeout = sc_disconnect_on_timeout,
-            };
-            bool ok =
-                sc_disconnect_start(&screen->disconnect, deadline, &cbs, NULL);
-            if (ok) {
-                screen->disconnect_started = true;
-            }
-
-            // else not fatal
-            return true;
-        case SC_EVENT_DISCONNECTED_ICON_LOADED: {
-            SDL_Surface *icon_disconnected = event->user.data1;
-            assert(icon_disconnected);
-
-            bool ok = sc_texture_set_from_surface(&screen->tex, icon_disconnected);
-            if (ok) {
-                screen->content_size.width = icon_disconnected->w;
-                screen->content_size.height = icon_disconnected->h;
-                sc_screen_render(screen, true);
-            } else {
-                // not fatal
-                LOGE("Could not set disconnected icon");
-            }
-
-            sc_icon_destroy(icon_disconnected);
-            return true;
-        }
+            return;
     }
 
     if (sc_screen_is_relative_mode(screen)
             && sc_mouse_capture_handle_event(&screen->mc, event)) {
         // The mouse capture handler consumed the event
-        return true;
+        return;
     }
 
     sc_input_manager_handle_event(&screen->im, event);
-    return true;
 }
 
 struct sc_point

app/src/screen.h

@@ -12,7 +12,6 @@
 
 #include "controller.h"
 #include "coords.h"
-#include "disconnect.h"
 #include "fps_counter.h"
 #include "frame_buffer.h"
 #include "input_manager.h"
@@ -78,10 +77,6 @@ struct sc_screen {
 
     bool paused;
     AVFrame *resume_frame;
-
-    bool disconnected;
-    bool disconnect_started;
-    struct sc_disconnect disconnect;
 };
 
 struct sc_screen_params {
@@ -121,15 +116,10 @@ bool
 sc_screen_init(struct sc_screen *screen, const struct sc_screen_params *params);
 
 // request to interrupt any inner thread
-// must be called before sc_screen_join()
+// must be called before screen_join()
 void
 sc_screen_interrupt(struct sc_screen *screen);
 
-// request to interrupt the disconnected state (before closing the window)
-// must be called before sc_screen_join();
-void
-sc_screen_interrupt_disconnect(struct sc_screen *screen);
-
 // join any inner thread
 void
 sc_screen_join(struct sc_screen *screen);
@@ -167,8 +157,7 @@ void
 sc_screen_set_paused(struct sc_screen *screen, bool paused);
 
 // react to SDL events
-// If this function returns false, scrcpy must exit with an error.
-bool
+void
 sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event);
 
 // convert point from window coordinates to frame coordinates

app/src/sys/win/process.c

@@ -3,26 +3,14 @@
 #include <processthreadsapi.h>
 
 #include <assert.h>
+#include <stdlib.h>
 
+#include "util/command.h"
 #include "util/log.h"
 #include "util/str.h"
 
 #define CMD_MAX_LEN 8192
 
-static bool
-build_cmd(char *cmd, size_t len, const char *const argv[]) {
-    // Windows command-line parsing is WTF:
-    // <http://daviddeley.com/autohotkey/parameters/parameters.htm#WINPASS>
-    // only make it work for this very specific program
-    // (don't handle escaping nor quotes)
-    size_t ret = sc_str_join(cmd, argv, ' ', len);
-    if (ret >= len) {
-        LOGE("Command too long (%" SC_PRIsizet " chars)", len - 1);
-        return false;
-    }
-    return true;
-}
-
 enum sc_process_result
 sc_process_execute_p(const char *const argv[], HANDLE *handle, unsigned flags,
                      HANDLE *pin, HANDLE *pout, HANDLE *perr) {
@@ -137,8 +125,9 @@ sc_process_execute_p(const char *const argv[], HANDLE *handle, unsigned flags,
         si.lpAttributeList = lpAttributeList;
     }
 
-    char *cmd = malloc(CMD_MAX_LEN);
-    if (!cmd || !build_cmd(cmd, CMD_MAX_LEN, argv)) {
+    assert(argv && *argv);
+    char *cmd = sc_command_serialize_windows(argv);
+    if (!cmd) {
         LOG_OOM();
         goto error_free_attribute_list;
     }

app/src/texture.c

@@ -225,11 +225,3 @@ sc_texture_set_from_surface(struct sc_texture *tex, SDL_Surface *surface) {
 
     return true;
 }
-
-void
-sc_texture_reset(struct sc_texture *tex) {
-    if (tex->texture) {
-        SDL_DestroyTexture(tex->texture);
-        tex->texture = NULL;
-    }
-}

app/src/texture.h

@@ -41,7 +41,4 @@ sc_texture_set_from_frame(struct sc_texture *tex, const AVFrame *frame);
 bool
 sc_texture_set_from_surface(struct sc_texture *tex, SDL_Surface *surface);
 
-void
-sc_texture_reset(struct sc_texture *tex);
-
 #endif

app/src/usb/scrcpy_otg.c

@@ -9,7 +9,7 @@
 # include "adb/adb.h"
 #endif
 #include "events.h"
-#include "usb/screen_otg.h"
+#include "screen.h"
 #include "usb/aoa_hid.h"
 #include "usb/gamepad_aoa.h"
 #include "usb/keyboard_aoa.h"
@@ -23,7 +23,7 @@ struct scrcpy_otg {
     struct sc_mouse_aoa mouse;
     struct sc_gamepad_aoa gamepad;
 
-    struct sc_screen_otg screen_otg;
+    struct sc_screen screen;
 };
 
 static void
@@ -49,7 +49,7 @@ event_loop(struct scrcpy_otg *s) {
                 LOGD("User requested to quit");
                 return SCRCPY_EXIT_SUCCESS;
             default:
-                sc_screen_otg_handle_event(&s->screen_otg, &event);
+                sc_screen_handle_event(&s->screen, &event);
                 break;
         }
     }
@@ -88,13 +88,14 @@ scrcpy_otg(struct scrcpy_options *options) {
 
     enum scrcpy_exit_code ret = SCRCPY_EXIT_FAILURE;
 
-    struct sc_keyboard_aoa *keyboard = NULL;
-    struct sc_mouse_aoa *mouse = NULL;
-    struct sc_gamepad_aoa *gamepad = NULL;
+    struct sc_key_processor *kp = NULL;
+    struct sc_mouse_processor *mp = NULL;
+    struct sc_gamepad_processor *gp = NULL;
     bool usb_device_initialized = false;
     bool usb_connected = false;
     bool aoa_started = false;
     bool aoa_initialized = false;
+    bool screen_initialized = false;
 
 #ifdef _WIN32
     // On Windows, only one process could open a USB device
@@ -157,7 +158,7 @@ scrcpy_otg(struct scrcpy_options *options) {
         if (!ok) {
             goto end;
         }
-        keyboard = &s->keyboard;
+        kp = &s->keyboard.key_processor;
     }
 
     if (enable_mouse) {
@@ -165,12 +166,12 @@ scrcpy_otg(struct scrcpy_options *options) {
         if (!ok) {
             goto end;
         }
-        mouse = &s->mouse;
+        mp = &s->mouse.mouse_processor;
     }
 
     if (enable_gamepad) {
         sc_gamepad_aoa_init(&s->gamepad, &s->aoa);
-        gamepad = &s->gamepad;
+        gp = &s->gamepad.gamepad_processor;
     }
 
     ok = sc_aoa_start(&s->aoa);
@@ -184,10 +185,18 @@ scrcpy_otg(struct scrcpy_options *options) {
         window_title = usb_device.product ? usb_device.product : "scrcpy";
     }
 
-    struct sc_screen_otg_params params = {
-        .keyboard = keyboard,
-        .mouse = mouse,
-        .gamepad = gamepad,
+    struct sc_screen_params params = {
+        .video = false,
+        .camera = false,
+        .controller = false,
+        .fp = NULL,
+        .kp = kp,
+        .mp = mp,
+        .gp = gp,
+        .mouse_bindings = options->mouse_bindings,
+        .legacy_paste = false,
+        .clipboard_autosync = false,
+        .shortcut_mods = options->shortcut_mods,
         .window_title = window_title,
         .always_on_top = options->always_on_top,
         .window_x = options->window_x,
@@ -195,13 +204,17 @@ scrcpy_otg(struct scrcpy_options *options) {
         .window_width = options->window_width,
         .window_height = options->window_height,
         .window_borderless = options->window_borderless,
-        .shortcut_mods = options->shortcut_mods,
+        .orientation = SC_ORIENTATION_0,
+        .mipmaps = options->mipmaps,
+        .fullscreen = false,
+        .start_fps_counter = false,
     };
 
-    ok = sc_screen_otg_init(&s->screen_otg, &params);
+    ok = sc_screen_init(&s->screen, &params);
     if (!ok) {
         goto end;
     }
+    screen_initialized = true;
 
     // usb_device not needed anymore
     sc_usb_device_destroy(&usb_device);
@@ -216,13 +229,17 @@ end:
     }
     sc_usb_stop(&s->usb);
 
-    if (mouse) {
+    if (screen_initialized) {
+        sc_screen_interrupt(&s->screen);
+    }
+
+    if (mp) {
         sc_mouse_aoa_destroy(&s->mouse);
     }
-    if (keyboard) {
+    if (kp) {
         sc_keyboard_aoa_destroy(&s->keyboard);
     }
-    if (gamepad) {
+    if (gp) {
         sc_gamepad_aoa_destroy(&s->gamepad);
     }
 
@@ -243,5 +260,10 @@ end:
 
     sc_usb_destroy(&s->usb);
 
+    if (screen_initialized) {
+        sc_screen_join(&s->screen);
+        sc_screen_destroy(&s->screen);
+    }
+
     return ret;
 }

app/src/usb/screen_otg.c

@@ -1,329 +0,0 @@
-#include "screen_otg.h"
-
-#include <assert.h>
-#include <stddef.h>
-
-#include "icon.h"
-#include "options.h"
-#include "util/acksync.h"
-#include "util/log.h"
-#include "util/rect.h"
-#include "util/sdl.h"
-
-static void
-sc_screen_otg_render(struct sc_screen_otg *screen) {
-    sc_sdl_render_clear(screen->renderer);
-
-    SDL_Texture *texture = screen->tex.texture;
-    if (texture) {
-        struct sc_size render_size =
-            sc_sdl_get_render_output_size(screen->renderer);
-
-        SDL_FRect rect;
-        sc_rect_get_content_location(render_size, screen->tex.texture_size,
-                                     false, &rect);
-
-        bool ok = SDL_RenderTexture(screen->renderer, texture, NULL, &rect);
-        if (!ok) {
-            LOGW("Could not render texture: %s", SDL_GetError());
-        }
-    }
-    sc_sdl_render_present(screen->renderer);
-}
-
-bool
-sc_screen_otg_init(struct sc_screen_otg *screen,
-                   const struct sc_screen_otg_params *params) {
-    screen->keyboard = params->keyboard;
-    screen->mouse = params->mouse;
-    screen->gamepad = params->gamepad;
-
-    const char *title = params->window_title;
-    assert(title);
-
-    int x = params->window_x != SC_WINDOW_POSITION_UNDEFINED
-          ? params->window_x : (int) SDL_WINDOWPOS_UNDEFINED;
-    int y = params->window_y != SC_WINDOW_POSITION_UNDEFINED
-          ? params->window_y : (int) SDL_WINDOWPOS_UNDEFINED;
-    int width = params->window_width ? params->window_width : 256;
-    int height = params->window_height ? params->window_height : 256;
-
-    uint32_t window_flags = SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    if (params->always_on_top) {
-        window_flags |= SDL_WINDOW_ALWAYS_ON_TOP;
-    }
-    if (params->window_borderless) {
-        window_flags |= SDL_WINDOW_BORDERLESS;
-    }
-
-    screen->window =
-        sc_sdl_create_window(title, x, y, width, height, window_flags);
-    if (!screen->window) {
-        LOGE("Could not create window: %s", SDL_GetError());
-        return false;
-    }
-
-    screen->renderer = SDL_CreateRenderer(screen->window, NULL);
-    if (!screen->renderer) {
-        LOGE("Could not create renderer: %s", SDL_GetError());
-        goto error_destroy_window;
-    }
-
-    bool ok = sc_texture_init(&screen->tex, screen->renderer, false);
-    if (!ok) {
-        goto error_destroy_renderer;
-    }
-
-    SDL_Surface *icon = sc_icon_load(SC_ICON_FILENAME_SCRCPY);
-    if (icon) {
-        bool ok = SDL_SetWindowIcon(screen->window, icon);
-        if (!ok) {
-            LOGW("Could not set window icon: %s", SDL_GetError());
-        }
-
-        ok = sc_texture_set_from_surface(&screen->tex, icon);
-        sc_icon_destroy(icon);
-        if (!ok) {
-            LOGE("Could not set icon: %s", SDL_GetError());
-        }
-    } else {
-        LOGE("Could not load icon");
-    }
-
-    sc_mouse_capture_init(&screen->mc, screen->window, params->shortcut_mods);
-
-    if (screen->mouse) {
-        // Capture mouse on start
-        sc_mouse_capture_set_active(&screen->mc, true);
-    }
-
-    return true;
-
-error_destroy_renderer:
-    SDL_DestroyRenderer(screen->renderer);
-error_destroy_window:
-    SDL_DestroyWindow(screen->window);
-
-    return false;
-}
-
-void
-sc_screen_otg_destroy(struct sc_screen_otg *screen) {
-    sc_texture_destroy(&screen->tex);
-    SDL_DestroyRenderer(screen->renderer);
-    SDL_DestroyWindow(screen->window);
-}
-
-static void
-sc_screen_otg_process_key(struct sc_screen_otg *screen,
-                             const SDL_KeyboardEvent *event) {
-    assert(screen->keyboard);
-    struct sc_key_processor *kp = &screen->keyboard->key_processor;
-
-    struct sc_key_event evt = {
-        .action = sc_action_from_sdl_keyboard_type(event->type),
-        .keycode = sc_keycode_from_sdl(event->key),
-        .scancode = sc_scancode_from_sdl(event->scancode),
-        .repeat = event->repeat,
-        .mods_state = sc_mods_state_from_sdl(event->mod),
-    };
-
-    assert(kp->ops->process_key);
-    kp->ops->process_key(kp, &evt, SC_SEQUENCE_INVALID);
-}
-
-static void
-sc_screen_otg_process_mouse_motion(struct sc_screen_otg *screen,
-                                   const SDL_MouseMotionEvent *event) {
-    assert(screen->mouse);
-    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
-
-    struct sc_mouse_motion_event evt = {
-        // .position not used for HID events
-        .xrel = event->xrel,
-        .yrel = event->yrel,
-        .buttons_state = sc_mouse_buttons_state_from_sdl(event->state),
-    };
-
-    assert(mp->ops->process_mouse_motion);
-    mp->ops->process_mouse_motion(mp, &evt);
-}
-
-static void
-sc_screen_otg_process_mouse_button(struct sc_screen_otg *screen,
-                                   const SDL_MouseButtonEvent *event) {
-    assert(screen->mouse);
-    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
-
-    uint32_t sdl_buttons_state = SDL_GetMouseState(NULL, NULL);
-
-    struct sc_mouse_click_event evt = {
-        // .position not used for HID events
-        .action = sc_action_from_sdl_mousebutton_type(event->type),
-        .button = sc_mouse_button_from_sdl(event->button),
-        .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
-    };
-
-    assert(mp->ops->process_mouse_click);
-    mp->ops->process_mouse_click(mp, &evt);
-}
-
-static void
-sc_screen_otg_process_mouse_wheel(struct sc_screen_otg *screen,
-                                  const SDL_MouseWheelEvent *event) {
-    assert(screen->mouse);
-    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
-
-    uint32_t sdl_buttons_state = SDL_GetMouseState(NULL, NULL);
-
-    struct sc_mouse_scroll_event evt = {
-        // .position not used for HID events
-        .hscroll = event->x,
-        .vscroll = event->y,
-        .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
-    };
-
-    assert(mp->ops->process_mouse_scroll);
-    mp->ops->process_mouse_scroll(mp, &evt);
-}
-
-static void
-sc_screen_otg_process_gamepad_device(struct sc_screen_otg *screen,
-                                     const SDL_GamepadDeviceEvent *event) {
-    assert(screen->gamepad);
-    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
-
-    if (event->type == SDL_EVENT_GAMEPAD_ADDED) {
-        SDL_Gamepad *sdl_gamepad = SDL_OpenGamepad(event->which);
-        if (!sdl_gamepad) {
-            LOGW("Could not open gamepad");
-            return;
-        }
-
-        SDL_Joystick *joystick = SDL_GetGamepadJoystick(sdl_gamepad);
-        if (!joystick) {
-            LOGW("Could not get gamepad joystick");
-            SDL_CloseGamepad(sdl_gamepad);
-            return;
-        }
-
-        struct sc_gamepad_device_event evt = {
-            .gamepad_id = SDL_GetJoystickID(joystick),
-        };
-        gp->ops->process_gamepad_added(gp, &evt);
-    } else if (event->type == SDL_EVENT_GAMEPAD_REMOVED) {
-        SDL_JoystickID id = event->which;
-
-        SDL_Gamepad *sdl_gamepad = SDL_GetGamepadFromID(id);
-        if (sdl_gamepad) {
-            SDL_CloseGamepad(sdl_gamepad);
-        } else {
-            LOGW("Unknown gamepad device removed");
-        }
-
-        struct sc_gamepad_device_event evt = {
-            .gamepad_id = id,
-        };
-        gp->ops->process_gamepad_removed(gp, &evt);
-    }
-}
-
-static void
-sc_screen_otg_process_gamepad_axis(struct sc_screen_otg *screen,
-                                   const SDL_GamepadAxisEvent *event) {
-    assert(screen->gamepad);
-    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
-
-    enum sc_gamepad_axis axis = sc_gamepad_axis_from_sdl(event->axis);
-    if (axis == SC_GAMEPAD_AXIS_UNKNOWN) {
-        return;
-    }
-
-    struct sc_gamepad_axis_event evt = {
-        .gamepad_id = event->which,
-        .axis = axis,
-        .value = event->value,
-    };
-    gp->ops->process_gamepad_axis(gp, &evt);
-}
-
-static void
-sc_screen_otg_process_gamepad_button(struct sc_screen_otg *screen,
-                                     const SDL_GamepadButtonEvent *event) {
-    assert(screen->gamepad);
-    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
-
-    enum sc_gamepad_button button = sc_gamepad_button_from_sdl(event->button);
-    if (button == SC_GAMEPAD_BUTTON_UNKNOWN) {
-        return;
-    }
-
-    struct sc_gamepad_button_event evt = {
-        .gamepad_id = event->which,
-        .action = sc_action_from_sdl_gamepad_button_type(event->type),
-        .button = button,
-    };
-    gp->ops->process_gamepad_button(gp, &evt);
-}
-
-void
-sc_screen_otg_handle_event(struct sc_screen_otg *screen, SDL_Event *event) {
-    if (sc_mouse_capture_handle_event(&screen->mc, event)) {
-        // The mouse capture handler consumed the event
-        return;
-    }
-
-    switch (event->type) {
-        case SDL_EVENT_WINDOW_EXPOSED:
-            sc_screen_otg_render(screen);
-            break;
-        case SDL_EVENT_KEY_DOWN:
-            if (screen->keyboard) {
-                sc_screen_otg_process_key(screen, &event->key);
-            }
-            break;
-        case SDL_EVENT_KEY_UP:
-            if (screen->keyboard) {
-                sc_screen_otg_process_key(screen, &event->key);
-            }
-            break;
-        case SDL_EVENT_MOUSE_MOTION:
-            if (screen->mouse) {
-                sc_screen_otg_process_mouse_motion(screen, &event->motion);
-            }
-            break;
-        case SDL_EVENT_MOUSE_BUTTON_DOWN:
-            if (screen->mouse) {
-                sc_screen_otg_process_mouse_button(screen, &event->button);
-            }
-            break;
-        case SDL_EVENT_MOUSE_BUTTON_UP:
-            if (screen->mouse) {
-                sc_screen_otg_process_mouse_button(screen, &event->button);
-            }
-            break;
-        case SDL_EVENT_MOUSE_WHEEL:
-            if (screen->mouse) {
-                sc_screen_otg_process_mouse_wheel(screen, &event->wheel);
-            }
-            break;
-        case SDL_EVENT_GAMEPAD_ADDED:
-        case SDL_EVENT_GAMEPAD_REMOVED:
-            // Handle device added or removed even if paused
-            if (screen->gamepad) {
-                sc_screen_otg_process_gamepad_device(screen, &event->gdevice);
-            }
-            break;
-        case SDL_EVENT_GAMEPAD_AXIS_MOTION:
-            if (screen->gamepad) {
-                sc_screen_otg_process_gamepad_axis(screen, &event->gaxis);
-            }
-            break;
-        case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
-        case SDL_EVENT_GAMEPAD_BUTTON_UP:
-            if (screen->gamepad) {
-                sc_screen_otg_process_gamepad_button(screen, &event->gbutton);
-            }
-            break;
-    }
-}

app/src/usb/screen_otg.h

@@ -1,53 +0,0 @@
-#ifndef SC_SCREEN_OTG_H
-#define SC_SCREEN_OTG_H
-
-#include "common.h"
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <SDL3/SDL.h>
-
-#include "mouse_capture.h"
-#include "texture.h"
-#include "usb/gamepad_aoa.h"
-#include "usb/keyboard_aoa.h"
-#include "usb/mouse_aoa.h"
-
-struct sc_screen_otg {
-    struct sc_keyboard_aoa *keyboard;
-    struct sc_mouse_aoa *mouse;
-    struct sc_gamepad_aoa *gamepad;
-
-    SDL_Window *window;
-    SDL_Renderer *renderer;
-    struct sc_texture tex;
-
-    struct sc_mouse_capture mc;
-};
-
-struct sc_screen_otg_params {
-    struct sc_keyboard_aoa *keyboard;
-    struct sc_mouse_aoa *mouse;
-    struct sc_gamepad_aoa *gamepad;
-
-    const char *window_title;
-    bool always_on_top;
-    int16_t window_x; // accepts SC_WINDOW_POSITION_UNDEFINED
-    int16_t window_y; // accepts SC_WINDOW_POSITION_UNDEFINED
-    uint16_t window_width;
-    uint16_t window_height;
-    bool window_borderless;
-    uint8_t shortcut_mods; // OR of enum sc_shortcut_mod values
-};
-
-bool
-sc_screen_otg_init(struct sc_screen_otg *screen,
-                   const struct sc_screen_otg_params *params);
-
-void
-sc_screen_otg_destroy(struct sc_screen_otg *screen);
-
-void
-sc_screen_otg_handle_event(struct sc_screen_otg *screen, SDL_Event *event);
-
-#endif

app/src/util/command.c

@@ -0,0 +1,98 @@
+#include "command.h"
+
+#include <stdlib.h>
+
+#include "util/strbuf.h"
+
+char *
+sc_command_serialize_windows(const char *const argv[]) {
+    // <https://learn.microsoft.com/en-us/cpp/c-language/parsing-c-command-line-arguments>
+    // <https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessw>
+
+    struct sc_strbuf buf;
+    bool ok = sc_strbuf_init(&buf, 1024);
+    if (!ok) {
+        return NULL;
+    }
+
+#define BUF_PUSH(C) \
+    do { \
+        if (!sc_strbuf_append_char(&buf, C)) { \
+            goto end; \
+        } \
+    } while (0)
+
+    while (*argv) {
+        const char *arg = *argv;
+
+        BUF_PUSH('"');
+
+        // <https://learn.microsoft.com/en-us/cpp/c-language/parsing-c-command-line-arguments>
+        //
+        // """
+        // If an even number of backslashes is followed by a double quote mark,
+        // then one backslash (\) is placed in the argv array for every pair of
+        // backslashes (\\), and the double quote mark (") is interpreted as a
+        // string delimiter.
+        //
+        // If an odd number of backslashes is followed by a double quote mark,
+        // then one backslash (\) is placed in the argv array for every pair of
+        // backslashes (\\). The double quote mark is interpreted as an escape
+        // sequence by the remaining backslash, causing a literal double quote
+        // mark (") to be placed in argv.
+        // """
+        //
+        // To produce correct escaping according to what the parser will do, we
+        // must count the number of successive backslashes.
+        unsigned backslashes = 0;
+
+        for (const char *c = arg; *c; c++) {
+            switch (*c) {
+                case '"':
+                    while (backslashes) {
+                        // Double all backslashes before a quote
+                        BUF_PUSH('\\');
+                        BUF_PUSH('\\');
+                        --backslashes;
+                    }
+                    BUF_PUSH('\\');
+                    BUF_PUSH('"');
+                    backslashes = 0;
+                    break;
+                case '\\':
+                    ++backslashes;
+                    break;
+                default:
+                    while (backslashes) {
+                        // Put all backslashes as literals
+                        BUF_PUSH('\\');
+                        --backslashes;
+                    }
+                    BUF_PUSH(*c);
+                    break;
+            }
+        }
+
+        while (backslashes) {
+            // Double all backslashes before a quote
+            BUF_PUSH('\\');
+            BUF_PUSH('\\');
+            --backslashes;
+        }
+
+        BUF_PUSH('"');
+
+        ++argv;
+
+        // Argument separator
+        if (*argv) {
+            BUF_PUSH(' ');
+        }
+    }
+
+    return buf.s;
+
+end:
+    free(buf.s);
+    return NULL;
+}

app/src/util/command.h

@@ -0,0 +1,17 @@
+#ifndef SC_COMMAND_H
+#define SC_COMMAND_H
+
+#include "common.h"
+
+/**
+ * Serialize an argv array for Windows
+ *
+ * Convert a NULL-terminated argument array into a single escaped string
+ * suitable for massing to CreateProcess() on Windows.
+ *
+ * The returned value must be freed by the caller.
+ */
+char *
+sc_command_serialize_windows(const char *const argv[]);
+
+#endif

app/src/util/file.c

@@ -5,25 +5,6 @@
 
 #include "util/log.h"
 
-char *
-sc_file_build_path(const char *dir, const char *name) {
-    size_t dir_len = strlen(dir);
-    size_t name_len = strlen(name);
-
-    size_t len = dir_len + name_len + 2; // +2: '/' and '\0'
-    char *path = malloc(len);
-    if (!path) {
-        LOG_OOM();
-        return NULL;
-    }
-
-    memcpy(path, dir, dir_len);
-    path[dir_len] = SC_PATH_SEPARATOR;
-    // namelen + 1 to copy the final '\0'
-    memcpy(&path[dir_len + 1], name, name_len + 1);
-    return path;
-}
-
 char *
 sc_file_get_local_path(const char *name) {
     char *executable_path = sc_file_get_executable_path();
@@ -44,9 +25,24 @@ sc_file_get_local_path(const char *name) {
 
     *p = '\0'; // modify executable_path in place
     char *dir = executable_path;
-    char *file_path = sc_file_build_path(dir, name);
+    size_t dirlen = strlen(dir);
+    size_t namelen = strlen(name);
+
+    size_t len = dirlen + namelen + 2; // +2: '/' and '\0'
+    char *file_path = malloc(len);
+    if (!file_path) {
+        LOG_OOM();
+        free(executable_path);
+        return NULL;
+    }
+
+    memcpy(file_path, dir, dirlen);
+    file_path[dirlen] = SC_PATH_SEPARATOR;
+    // namelen + 1 to copy the final '\0'
+    memcpy(&file_path[dirlen + 1], name, namelen + 1);
 
     free(executable_path);
 
     return file_path;
 }
+

app/src/util/file.h

@@ -40,15 +40,6 @@ sc_file_get_executable_path(void);
 char *
 sc_file_get_local_path(const char *name);
 
-/**
- * Return the concatenation of dir, the path separator and the filename.
- *
- * The result must be freed by the caller using free(). It may return NULL on
- * error.
- */
-char *
-sc_file_build_path(const char *dir, const char *filename);
-
 /**
  * Indicate if the file exists and is not a directory
  */

app/src/util/log.c

@@ -151,6 +151,10 @@ sc_sdl_log_print(void *userdata, int category, SDL_LogPriority priority,
 
 void
 sc_log_configure(void) {
+#ifdef _WIN32
+    SetConsoleOutputCP(CP_UTF8);
+#endif
+
     SDL_SetLogOutputFunction(sc_sdl_log_print, NULL);
     // Redirect FFmpeg logs to SDL logs
     av_log_set_callback(sc_av_log_callback);

app/src/util/rect.c

@@ -1,52 +0,0 @@
-#include "rect.h"
-
-bool
-sc_rect_is_optimal_size(struct sc_size current_size,
-                        struct sc_size content_size) {
-    // The size is optimal if we can recompute one dimension of the current
-    // size from the other
-    return current_size.height == current_size.width * content_size.height
-                                                     / content_size.width
-        || current_size.width == current_size.height * content_size.width
-                                                     / content_size.height;
-}
-
-// Compute the content location, preserving its aspect ratio
-void
-sc_rect_get_content_location(struct sc_size render_size,
-                             struct sc_size content_size, bool can_upscale,
-                             SDL_FRect *out) {
-    if (sc_rect_is_optimal_size(render_size, content_size)) {
-        out->x = 0;
-        out->y = 0;
-        out->w = render_size.width;
-        out->h = render_size.height;
-        return;
-    }
-
-    if (!can_upscale && content_size.width <= render_size.width
-                     && content_size.height <= render_size.height) {
-        // Center without upscaling
-        out->x = (render_size.width - content_size.width) / 2.f;
-        out->y = (render_size.height - content_size.height) / 2.f;
-        out->w = content_size.width;
-        out->h = content_size.height;
-        return;
-    }
-
-    bool keep_width = content_size.width * render_size.height
-                    > content_size.height * render_size.width;
-    if (keep_width) {
-        out->x = 0;
-        out->w = render_size.width;
-        out->h = (float) render_size.width * content_size.height
-                                            / content_size.width;
-        out->y = (render_size.height - out->h) / 2.f;
-    } else {
-        out->y = 0;
-        out->h = render_size.height;
-        out->w = (float) render_size.height * content_size.width
-                                             / content_size.height;
-        out->x = (render_size.width - out->w) / 2.f;
-    }
-}

app/src/util/rect.h

@@ -1,24 +0,0 @@
-#ifndef SC_RECT_H
-#define SC_RECT_H
-
-#include "common.h"
-
-#include <SDL3/SDL_rect.h>
-
-#include "coords.h"
-
-// Return whether the size is optimal
-//
-// It is optimal if it does not require black borders to preserve the aspect
-// ratio, with rounding applied at pixel boundaries.
-bool
-sc_rect_is_optimal_size(struct sc_size current_size,
-                        struct sc_size content_size);
-
-// Compute the content location, preserving its aspect ratio
-void
-sc_rect_get_content_location(struct sc_size render_size,
-                             struct sc_size content_size, bool can_upscale,
-                             SDL_FRect *out);
-
-#endif

app/src/util/str.c

@@ -49,21 +49,6 @@ truncated:
     return n;
 }
 
-char *
-sc_str_quote(const char *src) {
-    size_t len = strlen(src);
-    char *quoted = malloc(len + 3);
-    if (!quoted) {
-        LOG_OOM();
-        return NULL;
-    }
-    memcpy(&quoted[1], src, len);
-    quoted[0] = '"';
-    quoted[len + 1] = '"';
-    quoted[len + 2] = '\0';
-    return quoted;
-}
-
 char *
 sc_str_concat(const char *start, const char *end) {
     assert(start);

app/src/util/str.h

@@ -32,14 +32,6 @@ sc_strncpy(char *dest, const char *src, size_t n);
 size_t
 sc_str_join(char *dst, const char *const tokens[], char sep, size_t n);
 
-/**
- * Quote a string
- *
- * Return a new allocated string, surrounded with quotes (`"`).
- */
-char *
-sc_str_quote(const char *src);
-
 /**
  * Concat two strings
  *

app/src/util/tick.h

@@ -6,7 +6,6 @@
 #include <stdint.h>
 
 typedef int64_t sc_tick;
-#define SC_TICK_NONE INT64_MIN
 #define PRItick PRIi64
 #define SC_TICK_FREQ 1000000 // microsecond
 

app/tests/test_command_windows.c

@@ -0,0 +1,61 @@
+#include "common.h"
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include "util/command.h"
+
+static void test_command_with_spaces(void) {
+    const char *const argv[] = {
+        "C:\\Program Files\\scrcpy\\adb",
+        "-s",
+        "serial with spaces",
+        "push",
+        "E:\\some folder\\scrcpy-server",
+        "/data/local/tmp/scrcpy-server.jar",
+        NULL,
+    };
+    char *cmd = sc_command_serialize_windows(argv);
+    const char *expected = "\"C:\\Program Files\\scrcpy\\adb\" "
+                           "\"-s\" "
+                           "\"serial with spaces\" "
+                           "\"push\" "
+                           "\"E:\\some folder\\scrcpy-server\" "
+                           "\"/data/local/tmp/scrcpy-server.jar\"";
+
+    assert(!strcmp(expected, cmd));
+    free(cmd);
+}
+
+static void test_command_with_backslashes(void) {
+    const char *const argv[] = {
+        "a\\\\ b\\",
+        "def \\",
+        "gh\"i\" \\\\",
+        "jkl\\\\",
+        "mno\\",
+        "p\\\"qr",
+        NULL,
+    };
+
+    char *cmd = sc_command_serialize_windows(argv);
+    const char *expected = "\"a\\\\ b\\\\\" "
+                           "\"def \\\\\" "
+                           "\"gh\\\"i\\\" \\\\\\\\\" "
+                           "\"jkl\\\\\\\\\" "
+                           "\"mno\\\\\" "
+                           "\"p\\\\\\\"qr\"";
+
+    assert(!strcmp(expected, cmd));
+    free(cmd);
+}
+
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
+    test_command_with_spaces();
+    test_command_with_backslashes();
+
+    return 0;
+}

app/tests/test_str.c

@@ -131,16 +131,6 @@ static void test_join_truncated_after_sep(void) {
     assert(!strcmp("abc de ", s));
 }
 
-static void test_quote(void) {
-    const char *s = "abcde";
-    char *out = sc_str_quote(s);
-
-    // add '"' at the beginning and the end
-    assert(!strcmp("\"abcde\"", out));
-
-    free(out);
-}
-
 static void test_concat(void) {
     const char *s = "2024:11";
     char *out = sc_str_concat("my-prefix:", s);
@@ -398,7 +388,6 @@ int main(int argc, char *argv[]) {
     test_join_truncated_in_token();
     test_join_truncated_before_sep();
     test_join_truncated_after_sep();
-    test_quote();
     test_concat();
     test_utf8_truncate();
     test_parse_integer();

release/build_linux.sh

@@ -38,6 +38,6 @@ ninja -C "$LINUX_BUILD_DIR"
 # Group intermediate outputs into a 'dist' directory
 mkdir -p "$LINUX_BUILD_DIR/dist"
 cp "$LINUX_BUILD_DIR"/app/scrcpy "$LINUX_BUILD_DIR/dist/"
-cp app/data/scrcpy.png "$LINUX_BUILD_DIR/dist/"
+cp app/data/icon.png "$LINUX_BUILD_DIR/dist/"
 cp app/scrcpy.1 "$LINUX_BUILD_DIR/dist/"
 cp -r "$ADB_INSTALL_DIR"/. "$LINUX_BUILD_DIR/dist/"

release/build_macos.sh

@@ -38,6 +38,6 @@ ninja -C "$MACOS_BUILD_DIR"
 # Group intermediate outputs into a 'dist' directory
 mkdir -p "$MACOS_BUILD_DIR/dist"
 cp "$MACOS_BUILD_DIR"/app/scrcpy "$MACOS_BUILD_DIR/dist/"
-cp app/data/scrcpy.png "$MACOS_BUILD_DIR/dist/"
+cp app/data/icon.png "$MACOS_BUILD_DIR/dist/"
 cp app/scrcpy.1 "$MACOS_BUILD_DIR/dist/"
 cp -r "$ADB_INSTALL_DIR"/. "$MACOS_BUILD_DIR/dist/"

release/build_windows.sh

@@ -47,7 +47,7 @@ mkdir -p "$WINXX_BUILD_DIR/dist"
 cp "$WINXX_BUILD_DIR"/app/scrcpy.exe "$WINXX_BUILD_DIR/dist/"
 cp app/data/scrcpy-console.bat "$WINXX_BUILD_DIR/dist/"
 cp app/data/scrcpy-noconsole.vbs "$WINXX_BUILD_DIR/dist/"
-cp app/data/scrcpy.png "$WINXX_BUILD_DIR/dist/"
+cp app/data/icon.png "$WINXX_BUILD_DIR/dist/"
 cp app/data/open_a_terminal_here.bat "$WINXX_BUILD_DIR/dist/"
 cp "$DEPS_INSTALL_DIR"/bin/*.dll "$WINXX_BUILD_DIR/dist/"
 cp -r "$ADB_INSTALL_DIR"/. "$WINXX_BUILD_DIR/dist/"

run

@@ -20,6 +20,6 @@ then
     exit 1
 fi
 
-SCRCPY_ICON_DIR="app/data" \
+SCRCPY_ICON_PATH="app/data/icon.png" \
 SCRCPY_SERVER_PATH="$BUILDDIR/server/scrcpy-server" \
 "$BUILDDIR/app/scrcpy" "$@"