74 lines
2.6 KiB
Objective-C
Executable File
74 lines
2.6 KiB
Objective-C
Executable File
//
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// SellyLiveAudioConfiguration.h
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// SellyCloudLiveKit
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//
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// Created by LaiFeng on 16/5/20.
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// Copyright © 2016年 LaiFeng All rights reserved.
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//
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#import <Foundation/Foundation.h>
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/// 音频码率 (默认96Kbps)
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typedef NS_ENUM (NSUInteger, SellyLiveAudioBitRate) {
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/// 32Kbps 音频码率
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SellyLiveAudioBitRate_32Kbps = 32000,
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/// 64Kbps 音频码率
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SellyLiveAudioBitRate_64Kbps = 64000,
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/// 96Kbps 音频码率
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SellyLiveAudioBitRate_96Kbps = 96000,
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/// 128Kbps 音频码率
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SellyLiveAudioBitRate_128Kbps = 128000,
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/// 默认音频码率，默认为 96Kbps
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SellyLiveAudioBitRate_Default = SellyLiveAudioBitRate_96Kbps
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};
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/// 音频采样率 (默认44.1KHz)
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typedef NS_ENUM (NSUInteger, SellyLiveAudioSampleRate){
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/// 16KHz 采样率
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SellyLiveAudioSampleRate_16000Hz = 16000,
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/// 44.1KHz 采样率
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SellyLiveAudioSampleRate_44100Hz = 44100,
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/// 48KHz 采样率
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SellyLiveAudioSampleRate_48000Hz = 48000,
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/// 默认音频采样率，默认为 44.1KHz
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SellyLiveAudioSampleRate_Default = SellyLiveAudioSampleRate_44100Hz
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};
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/// Audio Live quality（音频质量）
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typedef NS_ENUM (NSUInteger, SellyLiveAudioQuality){
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/// 低音频质量 audio sample rate: 16KHz audio bitrate: numberOfChannels 1 : 32Kbps 2 : 64Kbps
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SellyLiveAudioQuality_Low = 0,
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/// 中音频质量 audio sample rate: 44.1KHz audio bitrate: 96Kbps
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SellyLiveAudioQuality_Medium = 1,
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/// 高音频质量 audio sample rate: 44.1MHz audio bitrate: 128Kbps
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SellyLiveAudioQuality_High = 2,
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/// 超高音频质量 audio sample rate: 48KHz, audio bitrate: 128Kbps
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SellyLiveAudioQuality_VeryHigh = 3,
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/// 默认音频质量 audio sample rate: 44.1KHz, audio bitrate: 96Kbps
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SellyLiveAudioQuality_Default = SellyLiveAudioQuality_High
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};
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@interface SellyLiveAudioConfiguration : NSObject<NSCoding, NSCopying>
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/// 默认音频配置
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+ (instancetype)defaultConfiguration;
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/// 音频配置
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+ (instancetype)defaultConfigurationForQuality:(SellyLiveAudioQuality)audioQuality;
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#pragma mark - Attribute
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///=============================================================================
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/// @name Attribute
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///=============================================================================
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/// 声道数目(default 2)
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@property (nonatomic, assign) NSUInteger numberOfChannels;
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/// 采样率
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@property (nonatomic, assign) SellyLiveAudioSampleRate audioSampleRate;
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/// 码率
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@property (nonatomic, assign) SellyLiveAudioBitRate audioBitrate;
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/// flv编码音频头 44100 为0x12 0x10
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@property (nonatomic, assign, readonly) char *asc;
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/// 缓存区长度
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@property (nonatomic, assign,readonly) NSUInteger bufferLength;
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@end
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