97 lines
2.9 KiB
Objective-C
97 lines
2.9 KiB
Objective-C
#import "UriAudioSource.h"
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#import "IndexedAudioSource.h"
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#import "IndexedPlayerItem.h"
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#import <AVFoundation/AVFoundation.h>
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@implementation UriAudioSource {
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NSString *_uri;
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IndexedPlayerItem *_playerItem;
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/* CMTime _duration; */
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}
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- (instancetype)initWithId:(NSString *)sid uri:(NSString *)uri {
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self = [super initWithId:sid];
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NSAssert(self, @"super init cannot be nil");
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_uri = uri;
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if ([_uri hasPrefix:@"file://"]) {
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_playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL fileURLWithPath:[_uri substringFromIndex:7]]];
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} else {
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_playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL URLWithString:_uri]];
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}
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if (@available(macOS 10.13, iOS 11.0, *)) {
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// This does the best at reducing distortion on voice with speeds below 1.0
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_playerItem.audioTimePitchAlgorithm = AVAudioTimePitchAlgorithmTimeDomain;
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}
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/* NSKeyValueObservingOptions options = */
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/* NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew; */
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/* [_playerItem addObserver:self */
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/* forKeyPath:@"duration" */
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/* options:options */
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/* context:nil]; */
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return self;
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}
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- (IndexedPlayerItem *)playerItem {
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return _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 || (_playerItem.status == AVPlayerItemStatusReadyToPlay)) {
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CMTimeRange seekableRange = [_playerItem.seekableTimeRanges.lastObject CMTimeRangeValue];
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CMTime relativePosition = CMTimeAdd(position, seekableRange.start);
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[_playerItem seekToTime:relativePosition toleranceBefore:kCMTimeZero toleranceAfter:kCMTimeZero completionHandler:completionHandler];
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}
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}
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- (CMTime)duration {
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NSValue *seekableRange = _playerItem.seekableTimeRanges.lastObject;
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if (seekableRange) {
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CMTimeRange seekableDuration = [seekableRange CMTimeRangeValue];;
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return seekableDuration.duration;
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}
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else {
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return _playerItem.duration;
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}
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return kCMTimeInvalid;
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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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NSValue *seekableRange = _playerItem.seekableTimeRanges.lastObject;
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if (seekableRange) {
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CMTimeRange range = [seekableRange CMTimeRangeValue];
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return CMTimeSubtract(_playerItem.currentTime, range.start);
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} else {
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return _playerItem.currentTime;
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}
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}
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- (CMTime)bufferedPosition {
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NSValue *last = _playerItem.loadedTimeRanges.lastObject;
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if (last) {
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CMTimeRange timeRange = [last CMTimeRangeValue];
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return CMTimeAdd(timeRange.start, timeRange.duration);
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} else {
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return _playerItem.currentTime;
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}
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return kCMTimeInvalid;
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}
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@end
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