Updated packages, rewrote player = gapless playback, faster loading

just_audio/ios/Classes/UriAudioSource.m

@@ -0,0 +1,79 @@
+#import "UriAudioSource.h"
+#import "IndexedAudioSource.h"
+#import "IndexedPlayerItem.h"
+#import <AVFoundation/AVFoundation.h>
+
+@implementation UriAudioSource {
+    NSString *_uri;
+    IndexedPlayerItem *_playerItem;
+    /* CMTime _duration; */
+}
+
+- (instancetype)initWithId:(NSString *)sid uri:(NSString *)uri {
+    self = [super initWithId:sid];
+    NSAssert(self, @"super init cannot be nil");
+    _uri = uri;
+    if ([_uri hasPrefix:@"file://"]) {
+        _playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL fileURLWithPath:[_uri substringFromIndex:7]]];
+    } else {
+        _playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL URLWithString:_uri]];
+    }
+    if (@available(macOS 10.13, iOS 11.0, *)) {
+        // This does the best at reducing distortion on voice with speeds below 1.0
+        _playerItem.audioTimePitchAlgorithm = AVAudioTimePitchAlgorithmTimeDomain;
+    }
+    /* NSKeyValueObservingOptions options = */
+    /*     NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew; */
+    /* [_playerItem addObserver:self */
+    /*               forKeyPath:@"duration" */
+    /*                  options:options */
+    /*                  context:nil]; */
+    return self;
+}
+
+- (IndexedPlayerItem *)playerItem {
+    return _playerItem;
+}
+
+- (NSArray *)getShuffleOrder {
+    return @[@(0)];
+}
+
+- (void)play:(AVQueuePlayer *)player {
+}
+
+- (void)pause:(AVQueuePlayer *)player {
+}
+
+- (void)stop:(AVQueuePlayer *)player {
+}
+
+- (void)seek:(CMTime)position completionHandler:(void (^)(BOOL))completionHandler {
+    if (!completionHandler || (_playerItem.status == AVPlayerItemStatusReadyToPlay)) {
+        [_playerItem seekToTime:position toleranceBefore:kCMTimeZero toleranceAfter:kCMTimeZero completionHandler:completionHandler];
+    }
+}
+
+- (CMTime)duration {
+    return _playerItem.duration;
+}
+
+- (void)setDuration:(CMTime)duration {
+}
+
+- (CMTime)position {
+    return _playerItem.currentTime;
+}
+
+- (CMTime)bufferedPosition {
+    NSValue *last = _playerItem.loadedTimeRanges.lastObject;
+    if (last) {
+        CMTimeRange timeRange = [last CMTimeRangeValue];
+        return CMTimeAdd(timeRange.start, timeRange.duration);
+    } else {
+        return _playerItem.currentTime;
+    }
+    return kCMTimeInvalid;
+}
+
+@end