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DOUAudioStreamer is a Core Audio based streaming audio player for iOS and macOS. It supports remote URLs, local files, and media library items through a small DOUAudioFile protocol.

• Streams and plays audio with Core Audio.
• Supports iOS and macOS.
• Provides playback status, duration, current time, buffering progress, cache path, and download speed.
• Supports playback control with play, pause, and stop.
• Includes optional audio analyzers and visualization helpers.

Add DOUAudioStreamer to your Podfile:

pod 'DOUAudioStreamer'

Then run:

pod install

Download DOUAudioStreamer, then drag everything in the src folder into your Xcode project.

Create an object that conforms to DOUAudioFile:

#import "DOUAudioFile.h"

@interface Track : NSObject <DOUAudioFile>

@property (nonatomic, strong) NSURL *audioFileURL;

@end

Create a streamer and start playback:

#import "DOUAudioStreamer.h"

Track *track = [[Track alloc] init];
track.audioFileURL = [NSURL URLWithString:@"https://example.com/audio.mp3"];

DOUAudioStreamer *streamer = [DOUAudioStreamer streamerWithAudioFile:track];
[streamer play];

You can observe the streamer's status property with KVO and inspect properties such as duration, currentTime, bufferingRatio, expectedLength, receivedLength, and downloadSpeed.

A working demonstration is included in the example folder.

• iOS 5.0+
• macOS 10.7+
• ARC

Use and distribution are licensed under the BSD license. See the LICENSE file for the full text.