Comments (10)
xiangyuecn
commented on May 14, 2024
是提示录音权限吗？如果是，请参考参考 #8 onPermissionRequest里给授权
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veeki
commented on May 14, 2024
不是权限 就是在录音完毕后 点击播放没有声音 在web 浏览器上可以 app中不行 收集不到录音的内容
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veeki
commented on May 14, 2024
就是在 app中点击录制的时候 那个波浪线没有（手机浏览器录制的时候有） 我用的 一门app封装的 你可以调试
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veeki
commented on May 14, 2024
点击停止 就提示 失败：未开始录音 手机浏览器不存在这个问题
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xiangyuecn
commented on May 14, 2024
那就奇怪了，如果是能正常开始录音，但没采集到音频数据，应该是提示“未采集到录音”
但你这个提示“未开始录音”，那应该有可能产生的情况：
你可以先对这两个情况测试一下：
-
open时有没有走fail回调？
-
用try catch包裹一下rec.start()调用代码，看看会不会抛异常，如果出现异常，把异常记录和我反馈一下
有时间我会在app上测试一下，你那先看看能不能解决，有什么结果了在这里继续反馈一下哈
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xiangyuecn
commented on May 14, 2024
刚刚拿以前开发的app试了一下，使用的是系统自带的webview，并未申请系统录音权限，也并未处理浏览器权限接口。刚才测试的结果是open时提示“用户拒绝了录音权限”
App内运行的测试代码，仅供参考：
var jsn=0;
function run(){
jsn++;
if(jsn!=3){
return;
}
rec=Recorder()
rec.open(function(){
try{
rec.start()
}catch(e){
AppRequest.tips(e.stack);
return;
}
setTimeout(function(){
rec.stop(function(blob,duration){
AppRequest.tips("已录制"+duration);
},function(s){
AppRequest.tips("停止失败："+s);
});
},3000);
},function(s){
AppRequest.tips(s) //←←←这里抛的提示信息
})
}
LoadJs("https://xiangyuecn.github.io/Recorder/src/recorder-core.js",run)
LoadJs("https://xiangyuecn.github.io/Recorder/src/engine/mp3.js",run)
LoadJs("https://xiangyuecn.github.io/Recorder/src/engine/mp3-engine.js",run)from recorder.
veeki
commented on May 14, 2024
很奇怪的问题： 1 我在recorder-core.js 任何方法打印任何东西都没有响应，包括 open start 而浏览器有响应 即使在文件最顶部 alert 感觉是没有加载到文件
2 点击结束的时候 提示 失败：未开始录音 但是这个提示不是来自recorder-core.js 的stop 因为我把这个stop 里面的 提示修改为 False("未开始录音4646545646546"); 还是提示 未开始录音
浏览器上不存在任何问题 就是app不行 用的一门app打包的 地址采用了 https
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xiangyuecn
commented on May 14, 2024
打印任何东西没响应，应该是缓存问题，改了js可能清理一下缓存才会生效（一门里面我的测试app有个浮动的按钮，里面有清除缓存，蛮好用）
我刚才特意注册了一下 一门，封装了我这个库的demo页面地址。已复现这个问题。
表现很奇怪，给了app摄像头和录音权限，能弹出微信那个“想要使用您的麦克风“对话框。
但开始录制后，并没有真正开始录音，rec.state==0，导致停止录音时直接提示“未开始录音”。
重启app多试几次发现，后面再也无法调起“想要使用您的麦克风”对话框，直接返回NotReadableError，这个是重点，要考的
我在简易控制台中对state追踪发现，start压根就不会执行_start方法，在判断是否打开了底层录音功能时就退出去了：
Lines 130 to 131 in 1212c99
原因在于readyState=="ended"：
Lines 17 to 22 in 1212c99
我把return tracks[0].readyState=="live";强制改成return true;，强制录音，浏览器能够正常回调录音数据，但音频内容全部是000000，意思就是在假录音，无法获取到麦克风的录音。
综合上面的这些数据，正常浏览器的readyState=="live"，但这里却是ended。还有出现了NotReadableError后不重装app，就再也无法调起录音权限，这也是一个问题。
初步结论：这个问题跟浏览器实现有关系，算是浏览器Bug，无法通过js代码来解决。
附数据：
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xiangyuecn
commented on May 14, 2024
已增加对这种情况的检测，open时走fail回调。readyState==ended好像是无力回天了，哈哈。参考阅读https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack
另外测试了一下用系统的webview，一门应该是没有做权限处理，和我那老app一样，webview采用的默认的拒绝用户授权。
暂时无解
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xiangyuecn
commented on May 14, 2024
折腾了一晚上，封装了腾讯X5内核的App是支持录音的，前提AppAndroidManifest.xml中配置好两个关键权限
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>一门的app没有设置MODIFY_AUDIO_SETTINGS权限，导致不能录音。
我在.assets/android_test/app-debug-xxx.apk中放了测试app，移除MODIFY_AUDIO_SETTINGS权限后，和一门的表现一基本一样，返回NotReadableError错误，加上权限就能正常录音。
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