64 lines
1.6 KiB
Objective-C
64 lines
1.6 KiB
Objective-C
//
|
|
// AudioStreamPlayer.h
|
|
// keyBoard
|
|
//
|
|
// Created by Mac on 2026/1/15.
|
|
//
|
|
|
|
#import <Foundation/Foundation.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
/// 流式音频播放器代理
|
|
@protocol AudioStreamPlayerDelegate <NSObject>
|
|
@optional
|
|
/// 开始播放片段
|
|
- (void)audioStreamPlayerDidStartSegment:(NSString *)segmentId;
|
|
/// 播放时间更新
|
|
- (void)audioStreamPlayerDidUpdateTime:(NSTimeInterval)time
|
|
segmentId:(NSString *)segmentId;
|
|
/// 片段播放完成
|
|
- (void)audioStreamPlayerDidFinishSegment:(NSString *)segmentId;
|
|
@end
|
|
|
|
/// PCM 流式播放器
|
|
/// 使用 AVAudioEngine + AVAudioPlayerNode 实现低延迟播放
|
|
@interface AudioStreamPlayer : NSObject
|
|
|
|
@property(nonatomic, weak) id<AudioStreamPlayerDelegate> delegate;
|
|
|
|
/// 是否正在播放
|
|
@property(nonatomic, assign, readonly, getter=isPlaying) BOOL playing;
|
|
|
|
/// 启动播放器
|
|
/// @param error 错误信息
|
|
/// @return 是否启动成功
|
|
- (BOOL)start:(NSError **)error;
|
|
|
|
/// 停止播放器
|
|
- (void)stop;
|
|
|
|
/// 入队 PCM 数据块
|
|
/// @param pcmData PCM Int16 数据
|
|
/// @param sampleRate 采样率
|
|
/// @param channels 通道数
|
|
/// @param segmentId 片段 ID
|
|
- (void)enqueuePCMChunk:(NSData *)pcmData
|
|
sampleRate:(double)sampleRate
|
|
channels:(int)channels
|
|
segmentId:(NSString *)segmentId;
|
|
|
|
/// 获取片段的当前播放时间
|
|
/// @param segmentId 片段 ID
|
|
/// @return 当前时间（秒）
|
|
- (NSTimeInterval)playbackTimeForSegment:(NSString *)segmentId;
|
|
|
|
/// 获取片段的总时长
|
|
/// @param segmentId 片段 ID
|
|
/// @return 总时长（秒）
|
|
- (NSTimeInterval)durationForSegment:(NSString *)segmentId;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|