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// Plays a video from the command line in a window provided by mpv.
// You likely want to play the video in your own window instead,
// but that's not quite ready yet.
// You may need a basic Info.plist and MainMenu.xib to make this work.
#include "../../libmpv/client.h"
#include "shared.h"
#import <Cocoa/Cocoa.h>
@interface CocoaWindow : NSWindow
@end
@implementation CocoaWindow
- (BOOL)canBecomeMainWindow { return YES; }
- (BOOL)canBecomeKeyWindow { return YES; }
@end
@interface AppDelegate : NSObject <NSApplicationDelegate>
{
mpv_handle *mpv;
dispatch_queue_t queue;
NSWindow *w;
}
@end
static void wakeup(void *);
@implementation AppDelegate
- (void)createWindow {
int mask = NSTitledWindowMask|NSClosableWindowMask|
NSMiniaturizableWindowMask|NSResizableWindowMask;
self->w = [[CocoaWindow alloc]
initWithContentRect:NSMakeRect(0,0, 1280, 720)
styleMask:mask
backing:NSBackingStoreBuffered
defer:NO];
[self->w setTitle:@"cocoabasic example"];
[self->w makeMainWindow];
[self->w makeKeyAndOrderFront:nil];
NSMenu *m = [[NSMenu alloc] initWithTitle:@"AMainMenu"];
NSMenuItem *item = [m addItemWithTitle:@"Apple" action:nil keyEquivalent:@""];
NSMenu *sm = [[NSMenu alloc] initWithTitle:@"Apple"];
[m setSubmenu:sm forItem:item];
[sm addItemWithTitle: @"Shutdown mpv" action:@selector(shutdown) keyEquivalent:@"s"];
[NSApp setMenu:m];
[NSApp activateIgnoringOtherApps:YES];
}
- (void) applicationDidFinishLaunching:(NSNotification *)notification {
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
atexit_b(^{
// Because activation policy has just been set to behave like a real
// application, that policy must be reset on exit to prevent, among
// other things, the menubar created here from remaining on screen.
[NSApp setActivationPolicy:NSApplicationActivationPolicyProhibited];
});
// Read filename
NSArray *args = [NSProcessInfo processInfo].arguments;
if (args.count < 2) {
NSLog(@"Expected filename on command line");
exit(1);
}
NSString *filename = args[1];
[self createWindow];
// Deal with MPV in the background.
queue = dispatch_queue_create("mpv", DISPATCH_QUEUE_SERIAL);
dispatch_async(queue, ^{
mpv = mpv_create();
if (!mpv) {
printf("failed creating context\n");
exit(1);
}
int64_t wid = (intptr_t) [self->w contentView];
check_error(mpv_set_option(mpv, "wid", MPV_FORMAT_INT64, &wid));
// Maybe set some options here, like default key bindings.
// NOTE: Interaction with the window seems to be broken for now.
check_error(mpv_set_option_string(mpv, "input-default-bindings", "yes"));
// for testing!
check_error(mpv_set_option_string(mpv, "input-media-keys", "yes"));
check_error(mpv_set_option_string(mpv, "input-cursor", "no"));
check_error(mpv_set_option_string(mpv, "input-vo-keyboard", "yes"));
// request important errors
check_error(mpv_request_log_messages(mpv, "warn"));
check_error(mpv_initialize(mpv));
// Register to be woken up whenever mpv generates new events.
mpv_set_wakeup_callback(mpv, wakeup, (__bridge void *) self);
// Load the indicated file
const char *cmd[] = {"loadfile", filename.UTF8String, NULL};
check_error(mpv_command(mpv, cmd));
});
}
- (void) handleEvent:(mpv_event *)event
{
switch (event->event_id) {
case MPV_EVENT_SHUTDOWN:
// Clean up and shut down.
mpv_terminate_destroy(mpv);
mpv = NULL;
dispatch_async(dispatch_get_main_queue(), ^{
[[NSApplication sharedApplication] terminate:nil];
});
break;
case MPV_EVENT_LOG_MESSAGE: {
struct mpv_event_log_message *msg = (struct mpv_event_log_message *)event->data;
printf("[%s] %s: %s", msg->prefix, msg->level, msg->text);
}
case MPV_EVENT_VIDEO_RECONFIG:
dispatch_async(dispatch_get_main_queue(), ^{
[self->w selectNextKeyView:nil];
});
default:
printf("event: %s\n", mpv_event_name(event->event_id));
}
}
- (void) readEvents
{
dispatch_async(queue, ^{
while (mpv) {
mpv_event *event = mpv_wait_event(mpv, 0);
if (event->event_id == MPV_EVENT_NONE)
break;
[self handleEvent:event];
}
});
}
static void wakeup(void *context) {
AppDelegate *a = (__bridge AppDelegate *) context;
[a readEvents];
}
// Ostensibly, mpv's window would be hooked up to this.
- (BOOL) windowShouldClose:(id)sender
{
[self shutdown];
if (self->w)
[self->w release];
return YES;
}
- (void) shutdown
{
if (mpv) {
const char *args[] = {"quit", NULL};
mpv_command(mpv, args);
}
}
@end
// Delete this if you already have a main.m.
int main(int argc, const char * argv[]) {
@autoreleasepool {
NSApplication *app = [NSApplication sharedApplication];
AppDelegate *delegate = [AppDelegate new];
app.delegate = delegate;
[app run];
}
return EXIT_SUCCESS;
}
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