test: add watchOS app test app

The watchOS entry point and app setup is very different to other iOS
flavors, so a designated file was created in favor of 10 ifdefs to the
existing code.

test/Makefile.am

@@ -436,8 +436,13 @@ if HAVE_LIBFUZZER
 noinst_PROGRAMS += vlc-demux-libfuzzer vlc-demux-dec-libfuzzer vlc-demux-run vlc-demux-dec-run
 endif
 
+if HAVE_WATCHOS
+vlccoreios_SOURCES = watchosvlc.m
+vlccoreios_LDFLAGS = $(LDFLAGS_vlc) -Wl,-framework,WatchKit
+else
 vlccoreios_SOURCES = iosvlc.m
 vlccoreios_LDFLAGS = $(LDFLAGS_vlc) -Wl,-framework,Foundation,-framework,UIKit
+endif
 vlccoreios_LDFLAGS += -Xlinker -rpath -Xlinker "@executable_path/Frameworks/"
 vlccoreios_OBJCFLAGS = -fobjc-arc
 vlccoreios_LDADD = ../lib/libvlc.la ../src/libvlccore.la
@@ -453,6 +458,10 @@ if HAVE_XROS
 noinst_PROGRAMS += vlccoreios
 endif
 
+if HAVE_WATCHOS
+noinst_PROGRAMS += vlccoreios
+endif
+
 vlc_window_SOURCES = vlc-window.c
 vlc_window_CPPFLAGS = $(AM_CPPFLAGS) -I../include/
 vlc_window_LDADD = ../lib/libvlc.la ../src/libvlccore.la ../compat/libcompat.la

test/watchosvlc.m

@@ -0,0 +1,150 @@
+/*****************************************************************************
+ * iosvlc.m: watchOS specific development main executable for VLC media player
+ *****************************************************************************
+ * Copyright (C) 2020, 2024 Videolabs
+ *
+ * Authors: Marvin Scholz <epirat07 at gmail dot com>
+ *          Alexandre Janniaux <ajanni@videolabs.io>
+ *          Felix Paul Kühne <fkuehne@videolabs.io>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#undef VLC_DYNAMIC_PLUGINS
+
+#define MODULE_NAME ios_interface
+#undef VLC_DYNAMIC_PLUGINS
+
+#include <vlc/vlc.h>
+
+#include <vlc_common.h>
+#include <vlc_variables.h>
+#include <vlc_plugin.h>
+
+#include "../lib/libvlc_internal.h"
+
+#import <WatchKit/WatchKit.h>
+
+@interface InterfaceController : WKInterfaceController
+
+@end
+
+@implementation InterfaceController
+
+- (void)awakeWithContext:(id)context {
+    [super awakeWithContext:context];
+}
+
+- (void)willActivate {
+    [super willActivate];
+}
+
+- (void)didDeactivate {
+    [super didDeactivate];
+}
+
+@end
+
+@interface AppDelegate : NSObject <WKApplicationDelegate> {
+    @public
+    libvlc_instance_t *_libvlc;
+}
+@end
+
+@implementation AppDelegate
+/* Called after application launch */
+- (void)applicationDidFinishLaunching {
+    /* Store startup arguments to forward them to libvlc */
+    NSArray *arguments = [[NSProcessInfo processInfo] arguments];
+    unsigned vlc_argc = [arguments count] - 1;
+    const char **vlc_argv = malloc(vlc_argc * sizeof *vlc_argv);
+    if (vlc_argv == NULL)
+        return;
+
+    for (unsigned i = 0; i < vlc_argc; i++)
+        vlc_argv[i] = [[arguments objectAtIndex:i + 1] UTF8String];
+
+    /* Initialize libVLC */
+    _libvlc = libvlc_new(vlc_argc, (const char * const*)vlc_argv);
+    free(vlc_argv);
+
+    if (_libvlc == NULL)
+        return;
+
+    /* Start glue interface, see code below */
+    libvlc_InternalAddIntf(_libvlc->p_libvlc_int, "ios_interface,none");
+
+    /* Start parsing arguments and eventual playback */
+    libvlc_InternalPlay(_libvlc->p_libvlc_int);
+}
+
+- (Class)applicationRootInterfaceControllerClass {
+    return [InterfaceController class];
+}
+@end
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return WKApplicationMain(argc, argv, NSStringFromClass([AppDelegate class]));
+    }
+}
+
+/* Glue interface code */
+static int Open(vlc_object_t *obj)
+{
+    return VLC_SUCCESS;
+}
+
+#include <vlc_stream.h>
+#include <vlc_access.h>
+
+static int OpenAssetDemux(vlc_object_t *obj)
+{
+    stream_t *access = (stream_t *)obj;
+
+    if (access->psz_location == NULL)
+        return VLC_EGENERIC;
+
+    /* Store startup arguments to forward them to libvlc */
+    NSString *bundle_path = [[NSBundle mainBundle] resourcePath];
+    const char *resource_path = [bundle_path UTF8String];
+    size_t resource_path_length = strlen(resource_path);
+
+    char *url;
+    if (asprintf(&url, "file://%s/%s", resource_path, access->psz_location) < 0)
+        return VLC_ENOMEM;
+
+    access->psz_url = url;
+
+    return VLC_ACCESS_REDIRECT;
+}
+
+vlc_module_begin()
+    set_capability("interface", 0)
+    set_callback(Open)
+
+    add_submodule()
+    set_capability("access", 1)
+    set_callback(OpenAssetDemux)
+    add_shortcut("asset")
+vlc_module_end()
+
+VLC_EXPORT const vlc_plugin_cb vlc_static_modules[] = {
+    VLC_SYMBOL(vlc_entry),
+    NULL
+};