服务器之家:专注于服务器技术及软件下载分享
分类导航

PHP教程|ASP.NET教程|Java教程|ASP教程|编程技术|正则表达式|C/C++|IOS|C#|Swift|Android|VB|R语言|JavaScript|易语言|vb.net|

服务器之家 - 编程语言 - IOS - iOS使用音频处理框架The Amazing Audio Engine实现音频录制播放

iOS使用音频处理框架The Amazing Audio Engine实现音频录制播放

2021-05-24 16:02hero_wqb IOS

这篇文章主要为大家详细介绍了iOS使用音频处理框架The Amazing Audio Engine实现音频录制播放,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

ios 第三方音频框架the amazing audio engine使用,实现音频录制、播放,可设置配乐。

首先看一下效果图:

iOS使用音频处理框架The Amazing Audio Engine实现音频录制播放

下面贴上核心控制器代码:

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
#import "viewcontroller.h"
#import <avfoundation/avfoundation.h>
#import "hwprogresshud.h"
#import "uiimage+hw.h"
#import "aerecorder.h"
#import "hwrecordingdrawview.h"
 
#define kmainw [uiscreen mainscreen].bounds.size.width
#define kmainh [uiscreen mainscreen].bounds.size.height
 
@interface viewcontroller ()
 
@property (nonatomic, strong) aerecorder *recorder;
@property (nonatomic, strong) aeaudiocontroller *audiocontroller;
@property (nonatomic, strong) aeaudiofileplayer *player;
@property (nonatomic, strong) aeaudiofileplayer *backgroundplayer;
@property (nonatomic, strong) nstimer *timer;
@property (nonatomic, strong) nsmutablearray *soundsource;
@property (nonatomic, weak) hwrecordingdrawview *recordingdrawview;
@property (nonatomic, weak) uilabel *reclabel;
@property (nonatomic, weak) uilabel *recordtimelabel;
@property (nonatomic, weak) uilabel *playtimelabel;
@property (nonatomic, weak) uibutton *auditionbtn;
@property (nonatomic, weak) uibutton *recordbtn;
@property (nonatomic, weak) uislider *slider;
@property (nonatomic, copy) nsstring *path;
 
@end
 
@implementation viewcontroller
 
- (aeaudiocontroller *)audiocontroller
{
 if (!_audiocontroller) {
 _audiocontroller = [[aeaudiocontroller alloc] initwithaudiodescription:[aeaudiocontroller noninterleavedfloatstereoaudiodescription] inputenabled:yes];
 _audiocontroller.preferredbufferduration = 0.005;
 _audiocontroller.usemeasurementmode = yes;
 }
 
 return _audiocontroller;
}
 
- (nsmutablearray *)soundsource
{
 if (!_soundsource) {
 _soundsource = [nsmutablearray array];
 }
 
 return _soundsource;
}
 
- (void)viewdidload {
 [super viewdidload];
 
 [self creatcontrol];
}
 
- (void)creatcontrol
{
 cgfloat marginx = 30.0f;
 
 //音频视图
 hwrecordingdrawview *recordingdrawview = [[hwrecordingdrawview alloc] initwithframe:cgrectmake(marginx, 80, kmainw - marginx * 2, 100)];
 [self.view addsubview:recordingdrawview];
 _recordingdrawview = recordingdrawview;
 
 //rec
 uilabel *reclabel = [[uilabel alloc] initwithframe:cgrectmake(marginx, cgrectgetmaxy(recordingdrawview.frame) + 20, 80, 40)];
 reclabel.text = @"rec";
 reclabel.textcolor = [uicolor redcolor];
 [self.view addsubview:reclabel];
 _reclabel = reclabel;
 
 //录制时间
 uilabel *recordtimelabel = [[uilabel alloc] initwithframe:cgrectmake(cgrectgetmaxx(reclabel.frame) + 20, cgrectgetminy(reclabel.frame), 150, 40)];
 recordtimelabel.text = @"录制时长:00:00";
 [self.view addsubview:recordtimelabel];
 _recordtimelabel = recordtimelabel;
 
 //播放时间
 uilabel *playtimelabel = [[uilabel alloc] initwithframe:cgrectmake(cgrectgetminx(recordtimelabel.frame), cgrectgetmaxy(recordtimelabel.frame), 150, 40)];
 playtimelabel.text = @"播放时长:00:00";
 playtimelabel.hidden = yes;
 [self.view addsubview:playtimelabel];
 _playtimelabel = playtimelabel;
 
 //配乐按钮
 nsarray *titlearray = @[@"无配乐", @"夏天", @"阳光海湾"];
 cgfloat btnw = 80.0f;
 cgfloat padding = (kmainw - marginx * 2 - btnw * titlearray.count) / (titlearray.count - 1);
 for (int i = 0; i < titlearray.count; i++) {
 cgfloat btnx = marginx + (btnw + padding) * i;
 uibutton *btn = [[uibutton alloc] initwithframe:cgrectmake(btnx, cgrectgetmaxy(playtimelabel.frame) + 20, btnw, btnw)];
 [btn settitle:titlearray[i] forstate:uicontrolstatenormal];
 btn.layer.cornerradius = btnw * 0.5;
 btn.layer.maskstobounds = yes;
 [btn setbackgroundimage:[uiimage imagewithcolor:[uicolor graycolor]] forstate:uicontrolstatenormal];
 [btn setbackgroundimage:[uiimage imagewithcolor:[uicolor orangecolor]] forstate:uicontrolstateselected];
 if (i == 0) btn.selected = yes;
 btn.tag = 100 + i;
 [btn addtarget:self action:@selector(changebackgroundmusic:) forcontrolevents:uicontroleventtouchupinside];
 [self.view addsubview:btn];
 }
 
 //配乐音量
 uilabel *backgroundlabel = [[uilabel alloc] initwithframe:cgrectmake(marginx + 10, cgrectgetmaxy(playtimelabel.frame) + 120, 80, 40)];
 backgroundlabel.text = @"配乐音量";
 [self.view addsubview:backgroundlabel];
 
 //配乐音量
 uislider *slider = [[uislider alloc] initwithframe:cgrectmake(cgrectgetmaxx(backgroundlabel.frame) + 10, cgrectgetminy(backgroundlabel.frame), 210, 40)];
 slider.value = 0.4f;
 [slider addtarget:self action:@selector(slidervaluechanged:) forcontrolevents:uicontroleventvaluechanged];
 [self.view addsubview:slider];
 _slider = slider;
 
 //试听按钮
 uibutton *auditionbtn = [[uibutton alloc] initwithframe:cgrectmake(marginx, kmainh - 150, 120, 80)];
 auditionbtn.hidden = yes;
 auditionbtn.backgroundcolor = [uicolor blackcolor];
 [auditionbtn settitle:@"试听" forstate:uicontrolstatenormal];
 [auditionbtn settitle:@"停止" forstate:uicontrolstateselected];
 [auditionbtn addtarget:self action:@selector(auditionbtnonclick:) forcontrolevents:uicontroleventtouchupinside];
 [self.view addsubview:auditionbtn];
 _auditionbtn = auditionbtn;
 
 //录音按钮
 uibutton *recordbtn = [[uibutton alloc] initwithframe:cgrectmake(kmainw - marginx - 120, kmainh - 150, 120, 80)];
 recordbtn.backgroundcolor = [uicolor blackcolor];
 [recordbtn settitle:@"开始" forstate:uicontrolstatenormal];
 [recordbtn settitle:@"暂停" forstate:uicontrolstateselected];
 [recordbtn addtarget:self action:@selector(recordbtnonclick:) forcontrolevents:uicontroleventtouchupinside];
 [self.view addsubview:recordbtn];
 _recordbtn = recordbtn;
}
 
//配乐按钮点击事件
- (void)changebackgroundmusic:(uibutton *)btn
{
 //更新选中状态
 for (int i = 0; i < 3; i++) {
 uibutton *button = (uibutton *)[self.view viewwithtag:100 + i];
 button.selected = no;
 }
 btn.selected = yes;
 
 //移除之前配乐
 if (_backgroundplayer) {
 [_audiocontroller removechannels:@[_backgroundplayer]];
 _backgroundplayer = nil;
 }
 
 nsurl *url;
 if (btn.tag == 100) {
 return;
 }else if (btn.tag == 101) {
 url = [[nsbundle mainbundle]urlforresource:@"夏天.mp3" withextension:nil];
 }else if (btn.tag == 102) {
 url = [[nsbundle mainbundle]urlforresource:@"阳光海湾.mp3" withextension:nil];
 }
 [self.audiocontroller start:null];
 
 nserror *averror = null;
 _backgroundplayer = [aeaudiofileplayer audiofileplayerwithurl:url error:&averror];
 _backgroundplayer.volume = _slider.value;
 _backgroundplayer.loop = yes;
 if (!_backgroundplayer) {
 [[[uialertview alloc] initwithtitle:@"error"
     message:[nsstring stringwithformat:@"couldn't start playback: %@", [averror localizeddescription]]
     delegate:nil
    cancelbuttontitle:nil
    otherbuttontitles:@"ok", nil] show];
 return;
 }
 
 //放完移除
 _backgroundplayer.removeuponfinish = yes;
 __weak viewcontroller *weakself = self;
 _backgroundplayer.completionblock = ^{
 weakself.backgroundplayer = nil;
 };
 [_audiocontroller addchannels:@[_backgroundplayer]];
}
 
//配乐音量slider滑动事件
- (void)slidervaluechanged:(uislider *)slider
{
 if (_backgroundplayer) _backgroundplayer.volume = slider.value;
}
 
//录音按钮点击事件
- (void)recordbtnonclick:(uibutton *)btn
{
 [[avaudiosession sharedinstance] requestrecordpermission:^(bool granted) {
 if (granted) {
  //用户同意获取麦克风
  dispatch_after(dispatch_time(dispatch_time_now, (int64_t)(.1f * nsec_per_sec)), dispatch_get_main_queue(), ^{
  btn.selected = !btn.selected;
  
  if (btn.selected) {
   [self startrecord];
  }else {
   [self finishrecord];
  }
  });
  
 }else {
  //用户不同意获取麦克风
  [hwprogresshud showmessage:@"需要访问您的麦克风,请在“设置-隐私-麦克风”中允许访问。" duration:3.f];
 }
 }];
}
 
//开始录音
- (void)startrecord
{
 _auditionbtn.hidden = yes;
 [self.audiocontroller start:null];
 _recorder = [[aerecorder alloc] initwithaudiocontroller:_audiocontroller];
 _path = [self getpath];
 
 nserror *error = null;
 if ( ![_recorder beginrecordingtofileatpath:_path filetype:kaudiofilem4atype error:&error] ) {
 [[[uialertview alloc] initwithtitle:@"error" message:[nsstring stringwithformat:@"couldn't start recording: %@", [error localizeddescription]] delegate:nil cancelbuttontitle:nil otherbuttontitles:@"ok", nil] show];
 _recorder = nil;
 return;
 }
 
 [self.soundsource removeallobjects];
 [self removetimer];
 [self addrecordtimer];
 
 [_audiocontroller addoutputreceiver:_recorder];
 [_audiocontroller addinputreceiver:_recorder];
}
 
//结束录音
- (void)finishrecord
{
 _auditionbtn.hidden = no;
 _reclabel.hidden = no;
 [self removetimer];
 
 [_recorder finishrecording];
 [_audiocontroller removeoutputreceiver:_recorder];
 [_audiocontroller removeinputreceiver:_recorder];
 _recorder = nil;
}
 
//添加录音定时器
- (void)addrecordtimer
{
 self.timer = [nstimer scheduledtimerwithtimeinterval:.2f target:self selector:@selector(recordtimeraction) userinfo:nil repeats:yes];
 [[nsrunloop mainrunloop] addtimer:self.timer formode:nsrunloopcommonmodes];
}
 
//录音定时器事件
- (void)recordtimeraction
{
 //获取音频
 [catransaction begin];
 [catransaction setdisableactions:yes];
 float32 inputavg, inputpeak, outputavg, outputpeak;
 [_audiocontroller inputaveragepowerlevel:&inputavg peakholdlevel:&inputpeak];
 [_audiocontroller outputaveragepowerlevel:&outputavg peakholdlevel:&outputpeak];
 [self.soundsource insertobject:[nsnumber numberwithfloat:(inputpeak + 18) * 2.8] atindex:0];
 [catransaction commit];
 _recordingdrawview.pointarray = _soundsource;
 
 //rec闪动
 _reclabel.hidden = (int)[self.recorder currenttime] % 2 == 1 ? yes : no;
 
 //录音时间
 nsstring *str = [self strwithtime:[self.recorder currenttime] interval:0.5f];
 if ([str intvalue] < 0) str = @"录制时长:00:00";
 [self.recordtimelabel settext:[nsstring stringwithformat:@"录制时长:%@", str]];
}
 
//移除定时器
- (void)removetimer
{
 [self.timer invalidate];
 self.timer = nil;
}
 
//试听按钮点击事件
- (void)auditionbtnonclick:(uibutton *)btn
{
 btn.selected = !btn.selected;
 
 if (btn.selected) {
 [self playrecord];
 }else {
 [self stopplayrecord];
 }
}
 
//播放录音
- (void)playrecord
{
 //更新界面
 _recordbtn.hidden = yes;
 [_playtimelabel settext:@"播放时长:00:00"];
 _playtimelabel.hidden = no;
 
 //取消背景音乐
 [self changebackgroundmusic:(uibutton *)[self.view viewwithtag:100]];
 
 if (![[nsfilemanager defaultmanager] fileexistsatpath:_path]) return;
 
 nserror *error = nil;
 _player = [aeaudiofileplayer audiofileplayerwithurl:[nsurl fileurlwithpath:_path] error:&error];
 if (!_player) {
 [[[uialertview alloc] initwithtitle:@"error"
     message:[nsstring stringwithformat:@"couldn't start playback: %@", [error localizeddescription]]
     delegate:nil
    cancelbuttontitle:nil
    otherbuttontitles:@"ok", nil] show];
 return;
 }
 
 [self addplaytimer];
 _player.removeuponfinish = yes;
 
 __weak viewcontroller *weakself = self;
 _player.completionblock = ^{
 weakself.player = nil;
 weakself.auditionbtn.selected = no;
 [weakself stopplayrecord];
 };
 [self.audiocontroller start:null];
 [self.audiocontroller addchannels:@[_player]];
}
 
//停止播放录音
- (void)stopplayrecord
{
 _recordbtn.hidden = no;
 _playtimelabel.hidden = yes;
 [self removetimer];
 if (_player) [_audiocontroller removechannels:@[_player]];
}
 
//添加播放定时器
- (void)addplaytimer
{
 self.timer = [nstimer scheduledtimerwithtimeinterval:1.0f target:self selector:@selector(playtimeraction) userinfo:nil repeats:yes];
 [[nsrunloop mainrunloop] addtimer:self.timer formode:nsrunloopcommonmodes];
}
 
//播放定时器事件
- (void)playtimeraction
{
 //播放时间
 nsstring *str = [self strwithtime:[_player currenttime] interval:1.f];
 if ([str intvalue] < 0) str = @"播放时长:00:00";
 [_playtimelabel settext:[nsstring stringwithformat:@"播放时长:%@", str]];
}
 
//录制音频沙盒路径
- (nsstring *)getpath
{
 nsdateformatter *formatter = [[nsdateformatter alloc] init];
 [formatter setdateformat:@"yyyymmddhhmmss"];
 nsstring *recordname = [nsstring stringwithformat:@"%@.wav", [formatter stringfromdate:[nsdate date]]];
 nsstring *path = [[nssearchpathfordirectoriesindomains(nsdocumentdirectory, nsuserdomainmask, yes) lastobject] stringbyappendingpathcomponent:recordname];
 
 return path;
}
 
//时长长度转时间字符串
- (nsstring *)strwithtime:(double)time interval:(cgfloat)interval
{
 int minute = (time * interval) / 60;
 int second = (int)(time * interval) % 60;
 
 return [nsstring stringwithformat:@"%02d:%02d", minute, second];
}
 
@end

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。

原文链接:https://blog.csdn.net/hero_wqb/article/details/76460663

延伸 · 阅读

精彩推荐
  • IOSiOS开发之视图切换

    iOS开发之视图切换

    在iOS开发中视图的切换是很频繁的,独立的视图应用在实际开发过程中并不常见,除非你的应用足够简单。在iOS开发中常用的视图切换有三种,今天我们将...

    执着丶执念5282021-01-16
  • IOSiOS实现控制屏幕常亮不变暗的方法示例

    iOS实现控制屏幕常亮不变暗的方法示例

    最近在工作中遇到了要将iOS屏幕保持常亮的需求,所以下面这篇文章主要给大家介绍了关于利用iOS如何实现控制屏幕常亮不变暗的方法,文中给出了详细的...

    随风13332021-04-02
  • IOSiOS中MD5加密算法的介绍和使用

    iOS中MD5加密算法的介绍和使用

    MD5加密是最常用的加密方法之一,是从一段字符串中通过相应特征生成一段32位的数字字母混合码。对输入信息生成唯一的128位散列值(32个字符)。这篇文...

    LYSNote5432021-02-04
  • IOSiOS开发技巧之状态栏字体颜色的设置方法

    iOS开发技巧之状态栏字体颜色的设置方法

    有时候我们需要根据不同的背景修改状态栏字体的颜色,下面这篇文章主要给大家介绍了关于iOS开发技巧之状态栏字体颜色的设置方法,文中通过示例代码...

    梦想家-mxj8922021-05-10
  • IOSiOS自定义UICollectionViewFlowLayout实现图片浏览效果

    iOS自定义UICollectionViewFlowLayout实现图片浏览效果

    这篇文章主要介绍了iOS自定义UICollectionViewFlowLayout实现图片浏览效果的相关资料,需要的朋友可以参考下...

    jiangamh8882021-01-11
  • IOS详解iOS中多个网络请求的同步问题总结

    详解iOS中多个网络请求的同步问题总结

    这篇文章主要介绍了详解iOS中多个网络请求的同步问题总结,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧...

    liang199111312021-03-15
  • IOSiOS中UILabel实现长按复制功能实例代码

    iOS中UILabel实现长按复制功能实例代码

    在iOS开发过程中,有时候会用到UILabel展示的内容,那么就设计到点击UILabel复制它上面展示的内容的功能,也就是Label长按复制功能,下面这篇文章主要给大...

    devilx12792021-04-02
  • IOSiOS中滑动控制屏幕亮度和系统音量(附加AVAudioPlayer基本用法和Masonry简单使用)

    iOS中滑动控制屏幕亮度和系统音量(附加AVAudioPlayer基本用法和

    这篇文章主要介绍了iOS中滑动控制屏幕亮度和系统音量(附加AVAudioPlayer基本用法和Masonry简单使用)的相关资料,需要的朋友可以参考下...

    CodingFire13652021-02-26