DOUAudioDecoder.h
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/* vim: set ft=objc fenc=utf-8 sw=2 ts=2 et: */
/*
* DOUAudioStreamer - A Core Audio based streaming audio player for iOS/Mac:
*
* https://github.com/douban/DOUAudioStreamer
*
* Copyright 2013-2016 Douban Inc. All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the LICENSE file for full text.
*
* Authors:
* Chongyu Zhu <i@lembacon.com>
*
*/
#import <Foundation/Foundation.h>
#include <CoreAudio/CoreAudioTypes.h>
typedef NS_ENUM(NSUInteger, DOUAudioDecoderStatus) {
DOUAudioDecoderSucceeded,
DOUAudioDecoderFailed,
DOUAudioDecoderEndEncountered,
DOUAudioDecoderWaiting
};
@class DOUAudioPlaybackItem;
@class DOUAudioLPCM;
@interface DOUAudioDecoder : NSObject
+ (AudioStreamBasicDescription)defaultOutputFormat;
+ (instancetype)decoderWithPlaybackItem:(DOUAudioPlaybackItem *)playbackItem
bufferSize:(NSUInteger)bufferSize;
- (instancetype)initWithPlaybackItem:(DOUAudioPlaybackItem *)playbackItem
bufferSize:(NSUInteger)bufferSize;
- (BOOL)setUp;
- (void)tearDown;
- (DOUAudioDecoderStatus)decodeOnce;
- (void)seekToTime:(NSUInteger)milliseconds;
@property (nonatomic, readonly) DOUAudioPlaybackItem *playbackItem;
@property (nonatomic, readonly) DOUAudioLPCM *lpcm;
@end