mirror of https://code.videolan.org/videolan/vlc
Adds support for Apple's remote (only handles Play/Pause at the moment).
AppleRemote.[mh] is MIT licensed code from Martin Kahr: http://www.martinkahr.com/source-code
This commit is contained in:
Eric Petit
parent
ee5179d039
commit
55f33b618e
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@ -348,6 +348,8 @@ VLC-release.app: vlc
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mkdir -p $(top_builddir)/tmp/modules/audio_output
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mkdir -p $(top_builddir)/tmp/modules/gui/macosx
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for i in \
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AppleRemote.h \
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AppleRemote.m \
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about.h \
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about.m \
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applescript.h \
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@ -486,6 +488,8 @@ VLC.app: vlc
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mkdir -p $(top_builddir)/tmp/modules/audio_output
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mkdir -p $(top_builddir)/tmp/modules/gui/macosx
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for i in \
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AppleRemote.h \
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AppleRemote.m \
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about.h \
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about.m \
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applescript.h \
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@ -0,0 +1,94 @@
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//
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// AppleRemote.h
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// AppleRemote
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//
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// Created by Martin Kahr on 11.03.06.
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// Copyright 2006 martinkahr.com. All rights reserved.
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//
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#import <Cocoa/Cocoa.h>
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#import <mach/mach.h>
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#import <mach/mach_error.h>
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#import <IOKit/IOKitLib.h>
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#import <IOKit/IOCFPlugIn.h>
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#import <IOKit/hid/IOHIDLib.h>
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#import <IOKit/hid/IOHIDKeys.h>
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enum AppleRemoteEventIdentifier
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{
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kRemoteButtonVolume_Plus=0,
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kRemoteButtonVolume_Minus,
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kRemoteButtonMenu,
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kRemoteButtonPlay,
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kRemoteButtonRight,
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kRemoteButtonLeft,
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kRemoteButtonRight_Hold,
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kRemoteButtonLeft_Hold,
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kRemoteButtonMenu_Hold,
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kRemoteButtonPlay_Sleep,
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kRemoteControl_Switched
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};
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typedef enum AppleRemoteEventIdentifier AppleRemoteEventIdentifier;
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/* Encapsulates usage of the apple remote control
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This class is implemented as a singleton as there is exactly one remote per machine (until now)
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The class is not thread safe
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*/
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@interface AppleRemote : NSObject {
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IOHIDDeviceInterface** hidDeviceInterface;
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IOHIDQueueInterface** queue;
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NSMutableArray* allCookies;
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NSMutableDictionary* cookieToButtonMapping;
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BOOL openInExclusiveMode;
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int remoteId;
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IBOutlet id delegate;
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}
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- (void) setRemoteId: (int) aValue;
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- (int) remoteId;
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- (BOOL) isRemoteAvailable;
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- (BOOL) isListeningToRemote;
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- (void) setListeningToRemote: (BOOL) value;
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- (BOOL) isOpenInExclusiveMode;
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- (void) setOpenInExclusiveMode: (BOOL) value;
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- (void) setDelegate: (id) delegate;
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- (id) delegate;
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- (IBAction) startListening: (id) sender;
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- (IBAction) stopListening: (id) sender;
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@end
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@interface AppleRemote (Singleton)
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+ (AppleRemote*) sharedRemote;
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@end
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/* Method definitions for the delegate of the AppleRemote class
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*/
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@interface NSObject(NSAppleRemoteDelegate)
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- (void) appleRemoteButton: (AppleRemoteEventIdentifier)buttonIdentifier pressedDown: (BOOL) pressedDown;
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@end
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@interface AppleRemote (PrivateMethods)
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- (NSDictionary*) cookieToButtonMapping;
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- (IOHIDQueueInterface**) queue;
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- (IOHIDDeviceInterface**) hidDeviceInterface;
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- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues;
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@end
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@interface AppleRemote (IOKitMethods)
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- (io_object_t) findAppleRemoteDevice;
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- (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice;
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- (BOOL) initializeCookies;
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- (BOOL) openDevice;
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@end
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@ -0,0 +1,404 @@
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//
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// AppleRemote.m
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// AppleRemote
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//
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// Created by Martin Kahr on 11.03.06.
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// Copyright 2006 martinkahr.com. All rights reserved.
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//
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#import "AppleRemote.h"
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const char* AppleRemoteDeviceName = "AppleIRController";
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const int REMOTE_SWITCH_COOKIE=19;
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@implementation AppleRemote
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#pragma public interface
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- (id) init {
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if ( self = [super init] ) {
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openInExclusiveMode = YES;
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queue = NULL;
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hidDeviceInterface = NULL;
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cookieToButtonMapping = [[NSMutableDictionary alloc] init];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"14_12_11_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"14_13_11_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"14_7_6_5_14_7_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"14_8_6_5_14_8_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"14_9_6_5_14_9_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"14_10_6_5_14_10_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"14_6_5_4_2_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"14_6_5_3_2_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"14_6_5_14_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"18_14_6_5_18_14_6_5_"];
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[cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
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}
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return self;
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}
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- (void) dealloc {
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[self stopListening:self];
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[cookieToButtonMapping release];
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[super dealloc];
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}
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- (void) setRemoteId: (int) value {
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remoteId = value;
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}
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- (int) remoteId {
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return remoteId;
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}
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- (BOOL) isRemoteAvailable {
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io_object_t hidDevice = [self findAppleRemoteDevice];
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if (hidDevice != 0) {
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IOObjectRelease(hidDevice);
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return YES;
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} else {
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return NO;
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}
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}
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- (BOOL) isListeningToRemote {
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return (hidDeviceInterface != NULL && allCookies != NULL && queue != NULL);
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}
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- (void) setListeningToRemote: (BOOL) value {
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if (value == NO) {
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[self stopListening:self];
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} else {
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[self startListening:self];
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}
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}
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- (void) setDelegate: (id) _delegate {
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if ([_delegate respondsToSelector:@selector(appleRemoteButton:pressedDown:)]==NO) return;
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[_delegate retain];
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[delegate release];
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delegate = _delegate;
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}
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- (id) delegate {
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return delegate;
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}
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- (BOOL) isOpenInExclusiveMode {
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return openInExclusiveMode;
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}
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- (void) setOpenInExclusiveMode: (BOOL) value {
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openInExclusiveMode = value;
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}
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- (IBAction) startListening: (id) sender {
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if ([self isListeningToRemote]) return;
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io_object_t hidDevice = [self findAppleRemoteDevice];
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if (hidDevice == 0) return;
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if ([self createInterfaceForDevice:hidDevice] == NULL) {
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goto error;
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}
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if ([self initializeCookies]==NO) {
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goto error;
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}
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if ([self openDevice]==NO) {
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goto error;
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}
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goto cleanup;
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error:
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[self stopListening:self];
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cleanup:
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IOObjectRelease(hidDevice);
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}
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- (IBAction) stopListening: (id) sender {
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if (queue != NULL) {
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(*queue)->stop(queue);
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//dispose of queue
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(*queue)->dispose(queue);
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//release the queue we allocated
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(*queue)->Release(queue);
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queue = NULL;
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}
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if (allCookies != nil) {
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[allCookies autorelease];
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allCookies = nil;
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}
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if (hidDeviceInterface != NULL) {
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//close the device
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(*hidDeviceInterface)->close(hidDeviceInterface);
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//release the interface
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(*hidDeviceInterface)->Release(hidDeviceInterface);
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hidDeviceInterface = NULL;
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}
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}
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@end
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@implementation AppleRemote (Singleton)
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static AppleRemote* sharedInstance=nil;
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+ (AppleRemote*) sharedRemote {
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@synchronized(self) {
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if (sharedInstance == nil) {
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sharedInstance = [[self alloc] init];
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}
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}
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return sharedInstance;
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}
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+ (id)allocWithZone:(NSZone *)zone {
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@synchronized(self) {
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if (sharedInstance == nil) {
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return [super allocWithZone:zone];
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}
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}
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return sharedInstance;
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}
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- (id)copyWithZone:(NSZone *)zone {
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return self;
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}
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- (id)retain {
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return self;
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}
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- (unsigned)retainCount {
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return UINT_MAX; //denotes an object that cannot be released
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}
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- (void)release {
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//do nothing
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}
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- (id)autorelease {
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return self;
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}
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@end
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@implementation AppleRemote (PrivateMethods)
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- (IOHIDQueueInterface**) queue {
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return queue;
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}
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- (IOHIDDeviceInterface**) hidDeviceInterface {
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return hidDeviceInterface;
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}
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- (NSDictionary*) cookieToButtonMapping {
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return cookieToButtonMapping;
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}
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- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues {
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NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
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if (buttonId != nil) {
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if (delegate) {
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[delegate appleRemoteButton:[buttonId intValue] pressedDown: (sumOfValues>0)];
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}
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} else {
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NSLog(@"Unknown button for cookiestring %@", cookieString);
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}
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}
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@end
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/* Callback method for the device queue
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Will be called for any event of any type (cookie) to which we subscribe
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*/
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static void QueueCallbackFunction(void* target, IOReturn result, void* refcon, void* sender) {
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AppleRemote* remote = (AppleRemote*)target;
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IOHIDEventStruct event;
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AbsoluteTime zeroTime = {0,0};
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NSMutableString* cookieString = [NSMutableString string];
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SInt32 sumOfValues = 0;
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while (result == kIOReturnSuccess)
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{
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result = (*[remote queue])->getNextEvent([remote queue], &event, zeroTime, 0);
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if ( result != kIOReturnSuccess )
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continue;
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if (REMOTE_SWITCH_COOKIE == (int)event.elementCookie) {
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[remote setRemoteId: event.value];
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[remote handleEventWithCookieString: @"19_" sumOfValues: 0];
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} else {
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sumOfValues+=event.value;
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[cookieString appendString:[NSString stringWithFormat:@"%d_", event.elementCookie]];
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}
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//printf("%d %d %d\n", event.elementCookie, event.value, event.longValue);
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}
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[remote handleEventWithCookieString: cookieString sumOfValues: sumOfValues];
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}
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@implementation AppleRemote (IOKitMethods)
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- (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice {
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io_name_t className;
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IOCFPlugInInterface** plugInInterface = NULL;
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HRESULT plugInResult = S_OK;
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SInt32 score = 0;
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IOReturn ioReturnValue = kIOReturnSuccess;
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hidDeviceInterface = NULL;
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ioReturnValue = IOObjectGetClass(hidDevice, className);
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if (ioReturnValue != kIOReturnSuccess) {
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NSLog(@"Error: Failed to get class name.");
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return NULL;
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}
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ioReturnValue = IOCreatePlugInInterfaceForService(hidDevice,
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kIOHIDDeviceUserClientTypeID,
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kIOCFPlugInInterfaceID,
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&plugInInterface,
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&score);
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if (ioReturnValue == kIOReturnSuccess)
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{
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//Call a method of the intermediate plug-in to create the device interface
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plugInResult = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (LPVOID) &hidDeviceInterface);
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if (plugInResult != S_OK) {
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NSLog(@"Error: Couldn't create HID class device interface");
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}
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// Release
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if (plugInInterface) (*plugInInterface)->Release(plugInInterface);
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}
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return hidDeviceInterface;
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}
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- (io_object_t) findAppleRemoteDevice {
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CFMutableDictionaryRef hidMatchDictionary = NULL;
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IOReturn ioReturnValue = kIOReturnSuccess;
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io_iterator_t hidObjectIterator = 0;
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io_object_t hidDevice = 0;
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// Set up a matching dictionary to search the I/O Registry by class
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// name for all HID class devices
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hidMatchDictionary = IOServiceMatching(AppleRemoteDeviceName);
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// Now search I/O Registry for matching devices.
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ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, hidMatchDictionary, &hidObjectIterator);
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if ((ioReturnValue == kIOReturnSuccess) && (hidObjectIterator != 0)) {
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hidDevice = IOIteratorNext(hidObjectIterator);
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}
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// release the iterator
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IOObjectRelease(hidObjectIterator);
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return hidDevice;
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}
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- (BOOL) initializeCookies {
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IOHIDDeviceInterface122** handle = (IOHIDDeviceInterface122**)hidDeviceInterface;
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IOHIDElementCookie cookie;
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long usage;
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long usagePage;
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id object;
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NSArray* elements = nil;
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NSDictionary* element;
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IOReturn success;
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if (!handle || !(*handle)) return NO;
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// Copy all elements, since we're grabbing most of the elements
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// for this device anyway, and thus, it's faster to iterate them
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// ourselves. When grabbing only one or two elements, a matching
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// dictionary should be passed in here instead of NULL.
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success = (*handle)->copyMatchingElements(handle, NULL, (CFArrayRef*)&elements);
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if (success == kIOReturnSuccess) {
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[elements autorelease];
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/*
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cookies = calloc(NUMBER_OF_APPLE_REMOTE_ACTIONS, sizeof(IOHIDElementCookie));
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memset(cookies, 0, sizeof(IOHIDElementCookie) * NUMBER_OF_APPLE_REMOTE_ACTIONS);
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*/
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allCookies = [[NSMutableArray alloc] init];
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int i;
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for (i=0; i< [elements count]; i++) {
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element = [elements objectAtIndex:i];
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//Get cookie
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object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementCookieKey) ];
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if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
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if (object == 0 || CFGetTypeID(object) != CFNumberGetTypeID()) continue;
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cookie = (IOHIDElementCookie) [object longValue];
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//Get usage
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object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsageKey) ];
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if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
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usage = [object longValue];
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//Get usage page
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object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsagePageKey) ];
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if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
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usagePage = [object longValue];
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[allCookies addObject: [NSNumber numberWithInt:(int)cookie]];
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}
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} else {
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return NO;
|
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}
|
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return YES;
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}
|
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- (BOOL) openDevice {
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HRESULT result;
|
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|
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IOHIDOptionsType openMode = kIOHIDOptionsTypeNone;
|
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if ([self isOpenInExclusiveMode]) openMode = kIOHIDOptionsTypeSeizeDevice;
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IOReturn ioReturnValue = (*hidDeviceInterface)->open(hidDeviceInterface, openMode);
|
||||
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if (ioReturnValue == KERN_SUCCESS) {
|
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queue = (*hidDeviceInterface)->allocQueue(hidDeviceInterface);
|
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if (queue) {
|
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result = (*queue)->create(queue, 0, 12); //depth: maximum number of elements in queue before oldest elements in queue begin to be lost.
|
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|
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int i=0;
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for(i=0; i<[allCookies count]; i++) {
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IOHIDElementCookie cookie = (IOHIDElementCookie)[[allCookies objectAtIndex:i] intValue];
|
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(*queue)->addElement(queue, cookie, 0);
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}
|
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// add callback for async events
|
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CFRunLoopSourceRef eventSource;
|
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ioReturnValue = (*queue)->createAsyncEventSource(queue, &eventSource);
|
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if (ioReturnValue == KERN_SUCCESS) {
|
||||
ioReturnValue = (*queue)->setEventCallout(queue,QueueCallbackFunction, self, NULL);
|
||||
if (ioReturnValue == KERN_SUCCESS) {
|
||||
CFRunLoopAddSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
|
||||
//start data delivery to queue
|
||||
(*queue)->start(queue);
|
||||
return YES;
|
||||
} else {
|
||||
NSLog(@"Error when setting event callout");
|
||||
}
|
||||
} else {
|
||||
NSLog(@"Error when creating async event source");
|
||||
}
|
||||
} else {
|
||||
NSLog(@"Error when opening device");
|
||||
}
|
||||
}
|
||||
return NO;
|
||||
}
|
||||
|
||||
@end
|
||||
|
|
@ -1,4 +1,6 @@
|
|||
SOURCES_macosx = \
|
||||
AppleRemote.h \
|
||||
AppleRemote.m \
|
||||
about.h \
|
||||
about.m \
|
||||
applescript.h \
|
||||
|
|
|
|||
|
|
@ -86,6 +86,7 @@ struct intf_sys_t
|
|||
/*****************************************************************************
|
||||
* VLCMain interface
|
||||
*****************************************************************************/
|
||||
@class AppleRemote;
|
||||
@interface VLCMain : NSObject
|
||||
{
|
||||
intf_thread_t *p_intf; /* The main intf object */
|
||||
|
|
@ -275,6 +276,8 @@ struct intf_sys_t
|
|||
NSSize o_size_with_playlist;
|
||||
|
||||
int i_lastShownVolume;
|
||||
|
||||
AppleRemote * o_remote;
|
||||
}
|
||||
|
||||
+ (VLCMain *)sharedInstance;
|
||||
|
|
|
|||
|
|
@ -45,6 +45,7 @@
|
|||
#include "interaction.h"
|
||||
#include "embeddedwindow.h"
|
||||
#include "update.h"
|
||||
#include "AppleRemote.h"
|
||||
|
||||
/*****************************************************************************
|
||||
* Local prototypes.
|
||||
|
|
@ -343,6 +344,10 @@ static VLCMain *_o_sharedMainInstance = nil;
|
|||
o_update = [[VLCUpdate alloc] init];
|
||||
|
||||
i_lastShownVolume = -1;
|
||||
|
||||
o_remote = [[AppleRemote alloc] init];
|
||||
[o_remote setDelegate: _o_sharedMainInstance];
|
||||
|
||||
return _o_sharedMainInstance;
|
||||
}
|
||||
|
||||
|
|
@ -684,6 +689,33 @@ static VLCMain *_o_sharedMainInstance = nil;
|
|||
return( o_str );
|
||||
}
|
||||
|
||||
/* Listen to the remote in exclusive mode, only when VLC is the active
|
||||
application */
|
||||
- (void)applicationDidBecomeActive:(NSNotification *)aNotification
|
||||
{
|
||||
[o_remote startListening: self];
|
||||
}
|
||||
- (void)applicationDidResignActive:(NSNotification *)aNotification
|
||||
{
|
||||
[o_remote stopListening: self];
|
||||
}
|
||||
|
||||
/* Apple Remote callback */
|
||||
- (void)appleRemoteButton:(AppleRemoteEventIdentifier)buttonIdentifier
|
||||
pressedDown:(BOOL)pressedDown
|
||||
{
|
||||
switch( buttonIdentifier )
|
||||
{
|
||||
case kRemoteButtonPlay:
|
||||
[o_controls play: self];
|
||||
break;
|
||||
|
||||
default:
|
||||
/* Add here whatever you want other buttons to do */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
- (char *)delocalizeString:(NSString *)id
|
||||
{
|
||||
NSData * o_data = [id dataUsingEncoding: NSUTF8StringEncoding
|
||||
|
|
|
|||
Loading…
Reference in New Issue