mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 08:12:17 +00:00
b50390d5da
libmpv can be embedded in a cocoa view (without the mpv window). This has been the case for serveral months, and the comment is just wrong now.
210 lines
5.9 KiB
Objective-C
210 lines
5.9 KiB
Objective-C
// Plays a video from the command line in a view provided by the client
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// application.
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// Build with: clang -o cocoabasic cocoabasic.m `pkg-config --libs --cflags mpv` -framework cocoa
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#include <mpv/client.h>
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#include <stdio.h>
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#include <stdlib.h>
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static inline void check_error(int status)
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{
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if (status < 0) {
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printf("mpv API error: %s\n", mpv_error_string(status));
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exit(1);
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}
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}
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#import <Cocoa/Cocoa.h>
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@interface CocoaWindow : NSWindow
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@end
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@implementation CocoaWindow
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- (BOOL)canBecomeMainWindow { return YES; }
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- (BOOL)canBecomeKeyWindow { return YES; }
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@end
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@interface AppDelegate : NSObject <NSApplicationDelegate>
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{
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mpv_handle *mpv;
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dispatch_queue_t queue;
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NSWindow *w;
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NSView *wrapper;
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}
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@end
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static void wakeup(void *);
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@implementation AppDelegate
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- (void)createWindow {
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int mask = NSTitledWindowMask|NSClosableWindowMask|
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NSMiniaturizableWindowMask|NSResizableWindowMask;
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self->w = [[CocoaWindow alloc]
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initWithContentRect:NSMakeRect(0,0, 1280, 720)
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styleMask:mask
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backing:NSBackingStoreBuffered
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defer:NO];
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[self->w setTitle:@"cocoabasic example"];
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[self->w makeMainWindow];
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[self->w makeKeyAndOrderFront:nil];
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NSRect frame = [[self->w contentView] bounds];
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self->wrapper = [[NSView alloc] initWithFrame:frame];
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[self->wrapper setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
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[[self->w contentView] addSubview:self->wrapper];
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[self->wrapper release];
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NSMenu *m = [[NSMenu alloc] initWithTitle:@"AMainMenu"];
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NSMenuItem *item = [m addItemWithTitle:@"Apple" action:nil keyEquivalent:@""];
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NSMenu *sm = [[NSMenu alloc] initWithTitle:@"Apple"];
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[m setSubmenu:sm forItem:item];
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[sm addItemWithTitle: @"mpv_command('stop')" action:@selector(mpv_stop) keyEquivalent:@""];
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[sm addItemWithTitle: @"mpv_command('quit')" action:@selector(mpv_quit) keyEquivalent:@""];
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[sm addItemWithTitle: @"quit" action:@selector(terminate:) keyEquivalent:@"q"];
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[NSApp setMenu:m];
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[NSApp activateIgnoringOtherApps:YES];
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}
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- (void) applicationDidFinishLaunching:(NSNotification *)notification {
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[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
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atexit_b(^{
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// Because activation policy has just been set to behave like a real
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// application, that policy must be reset on exit to prevent, among
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// other things, the menubar created here from remaining on screen.
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[NSApp setActivationPolicy:NSApplicationActivationPolicyProhibited];
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});
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// Read filename
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NSArray *args = [NSProcessInfo processInfo].arguments;
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if (args.count < 2) {
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NSLog(@"Expected filename on command line");
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exit(1);
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}
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NSString *filename = args[1];
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[self createWindow];
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// Deal with MPV in the background.
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queue = dispatch_queue_create("mpv", DISPATCH_QUEUE_SERIAL);
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dispatch_async(queue, ^{
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mpv = mpv_create();
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if (!mpv) {
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printf("failed creating context\n");
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exit(1);
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}
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int64_t wid = (intptr_t) self->wrapper;
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check_error(mpv_set_option(mpv, "wid", MPV_FORMAT_INT64, &wid));
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// Maybe set some options here, like default key bindings.
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// NOTE: Interaction with the window seems to be broken for now.
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check_error(mpv_set_option_string(mpv, "input-default-bindings", "yes"));
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// for testing!
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check_error(mpv_set_option_string(mpv, "input-media-keys", "yes"));
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check_error(mpv_set_option_string(mpv, "input-cursor", "no"));
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check_error(mpv_set_option_string(mpv, "input-vo-keyboard", "yes"));
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// request important errors
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check_error(mpv_request_log_messages(mpv, "warn"));
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check_error(mpv_initialize(mpv));
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// Register to be woken up whenever mpv generates new events.
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mpv_set_wakeup_callback(mpv, wakeup, (__bridge void *) self);
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// Load the indicated file
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const char *cmd[] = {"loadfile", filename.UTF8String, NULL};
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check_error(mpv_command(mpv, cmd));
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});
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}
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- (void) handleEvent:(mpv_event *)event
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{
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switch (event->event_id) {
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case MPV_EVENT_SHUTDOWN: {
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mpv_detach_destroy(mpv);
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mpv = NULL;
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printf("event: shutdown\n");
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break;
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}
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case MPV_EVENT_LOG_MESSAGE: {
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struct mpv_event_log_message *msg = (struct mpv_event_log_message *)event->data;
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printf("[%s] %s: %s", msg->prefix, msg->level, msg->text);
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}
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case MPV_EVENT_VIDEO_RECONFIG: {
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dispatch_async(dispatch_get_main_queue(), ^{
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NSArray *subviews = [self->wrapper subviews];
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if ([subviews count] > 0) {
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// mpv's events view
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NSView *eview = [self->wrapper subviews][0];
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[self->w makeFirstResponder:eview];
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}
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});
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}
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default:
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printf("event: %s\n", mpv_event_name(event->event_id));
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}
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}
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- (void) readEvents
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{
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dispatch_async(queue, ^{
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while (mpv) {
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mpv_event *event = mpv_wait_event(mpv, 0);
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if (event->event_id == MPV_EVENT_NONE)
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break;
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[self handleEvent:event];
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}
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});
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}
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static void wakeup(void *context) {
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AppDelegate *a = (__bridge AppDelegate *) context;
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[a readEvents];
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}
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// Ostensibly, mpv's window would be hooked up to this.
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- (BOOL) windowShouldClose:(id)sender
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{
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return NO;
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}
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- (void) mpv_stop
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{
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if (mpv) {
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const char *args[] = {"stop", NULL};
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mpv_command(mpv, args);
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}
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}
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- (void) mpv_quit
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{
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if (mpv) {
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const char *args[] = {"quit", NULL};
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mpv_command(mpv, args);
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}
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}
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@end
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// Delete this if you already have a main.m.
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int main(int argc, const char * argv[]) {
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@autoreleasepool {
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NSApplication *app = [NSApplication sharedApplication];
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AppDelegate *delegate = [AppDelegate new];
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app.delegate = delegate;
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[app run];
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}
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return 0;
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}
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