80 lines
2.2 KiB
Objective-C
80 lines
2.2 KiB
Objective-C
#import "AudioSource.h"
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#import "ClippingAudioSource.h"
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#import "IndexedPlayerItem.h"
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#import "UriAudioSource.h"
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#import <AVFoundation/AVFoundation.h>
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@implementation ClippingAudioSource {
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UriAudioSource *_audioSource;
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CMTime _start;
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CMTime _end;
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}
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- (instancetype)initWithId:(NSString *)sid audioSource:(UriAudioSource *)audioSource start:(NSNumber *)start end:(NSNumber *)end {
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self = [super initWithId:sid];
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NSAssert(self, @"super init cannot be nil");
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_audioSource = audioSource;
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_start = start == [NSNull null] ? kCMTimeZero : CMTimeMake([start intValue], 1000);
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_end = end == [NSNull null] ? kCMTimeInvalid : CMTimeMake([end intValue], 1000);
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return self;
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}
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- (UriAudioSource *)audioSource {
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return _audioSource;
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}
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- (void)findById:(NSString *)sourceId matches:(NSMutableArray<AudioSource *> *)matches {
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[super findById:sourceId matches:matches];
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[_audioSource findById:sourceId matches:matches];
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}
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- (void)attach:(AVQueuePlayer *)player {
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[super attach:player];
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_audioSource.playerItem.forwardPlaybackEndTime = _end;
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// XXX: Not needed since currentItem observer handles it?
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[self seek:kCMTimeZero];
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}
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- (IndexedPlayerItem *)playerItem {
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return _audioSource.playerItem;
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}
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- (NSArray *)getShuffleOrder {
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return @[@(0)];
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}
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- (void)play:(AVQueuePlayer *)player {
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}
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- (void)pause:(AVQueuePlayer *)player {
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}
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- (void)stop:(AVQueuePlayer *)player {
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}
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- (void)seek:(CMTime)position completionHandler:(void (^)(BOOL))completionHandler {
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if (!completionHandler || (self.playerItem.status == AVPlayerItemStatusReadyToPlay)) {
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CMTime absPosition = CMTimeAdd(_start, position);
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[_audioSource.playerItem seekToTime:absPosition toleranceBefore:kCMTimeZero toleranceAfter:kCMTimeZero completionHandler:completionHandler];
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}
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}
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- (CMTime)duration {
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return CMTimeSubtract(CMTIME_IS_INVALID(_end) ? self.playerItem.duration : _end, _start);
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}
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- (void)setDuration:(CMTime)duration {
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}
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- (CMTime)position {
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return CMTimeSubtract(self.playerItem.currentTime, _start);
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}
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- (CMTime)bufferedPosition {
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CMTime pos = CMTimeSubtract(_audioSource.bufferedPosition, _start);
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CMTime dur = [self duration];
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return CMTimeCompare(pos, dur) >= 0 ? dur : pos;
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}
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@end
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