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#include <stdio.h>
#import <Foundation/Foundation.h>
#import <AppKit/AppKit.h>
/* TODO: Can we have even lower level API than AppKit? */
static float volume = 0;
static NSCache *audio_cache = nil;
/* For sound finish delegate memory safety */
@interface ClakMacSound : NSObject <NSSoundDelegate>
@end
@implementation ClakMacSound
- (void)sound:(NSSound *)sound didFinishPlaying:(BOOL)flag {
[sound release];
[sound dealloc];
}
@end
static ClakMacSound *clak_mac_sound = nil;
bool macos_sound_init(float _volume)
{
volume = _volume;
/* Bring up NSCache for storing NSData */
audio_cache = [[NSCache alloc] init];
if (audio_cache == nil) {
printf("ERROR: Could not initialise audio cache!\n");
return false;
}
/* Prepare sound delegate for memory safety */
clak_mac_sound = [[ClakMacSound alloc] init];
return true;
}
void macos_sound_play(unsigned char *buffer, unsigned int buffer_len)
{
/* Get buffer's pointer for use as dictionary key in cache */
NSValue *ptr_key = [NSValue valueWithPointer:buffer];
/* If no cached, set up the data */
NSData *buffer_ns = [audio_cache objectForKey:ptr_key];
if (buffer_ns == nil) {
/* Set up data, reusing the static buffer */
buffer_ns = [NSData dataWithBytesNoCopy:(void *)buffer length:(NSUInteger)buffer_len freeWhenDone:NO];
/* Cache it */
[audio_cache setObject:buffer_ns forKey:ptr_key];
}
NSSound *sound = [[NSSound alloc] initWithData:buffer_ns];
[sound play];
}
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