我正在创建一个带录音的应用程序,我试图实现这个示例代码:http: //docs.phonegap.com/en/3.3.0/cordova_media_capture_capture.md.html#capture.captureAudio
但是当单击按钮时会出现错误:代码错误3.根据文档,当您在录制任何内容之前退出录制aplicacion时会出现此错误,但是当我单击按钮时,录制应用程序未启动它会直接转到错误功能.
捕获视频工作正常.
使用Phonegap 3.0.0或2.9.0与Phonegap Build.
码:
<!DOCTYPE html>
<html>
<head>
<title>Capture Audio</title>
<script type="text/javascript" charset="utf-8" src="cordova.js"></script>
<script type="text/javascript" charset="utf-8" src="json2.js"></script>
<script type="text/javascript" charset="utf-8">
// Called when capture operation is finished
//
function captureSuccess(mediaFiles) {
var i, len;
for (i = 0, len = mediaFiles.length; i < len; i += 1) {
uploadFile(mediaFiles[i]);
}
}
// Called if something bad happens.
//
function captureError(error) {
var msg = 'An error occurred during capture: ' + error.code;
navigator.notification.alert(msg, null, 'Uh oh!');
}
// A button will call this function
//
function captureAudio() {
// Launch device audio recording application,
// allowing user to capture up to 2 audio clips
navigator.device.capture.captureAudio(captureSuccess, captureError, {limit: 2});
}
// Upload files to server
function uploadFile(mediaFile) {
var ft = new FileTransfer(),
path = mediaFile.fullPath,
name = mediaFile.name;
ft.upload(path,
"http://my.domain.com/upload.php",
function(result) {
console.log('Upload success: ' + result.responseCode);
console.log(result.bytesSent + ' bytes sent');
},
function(error) {
console.log('Error uploading file ' + path + ': ' + error.code);
},
{ fileName: name });
}
</script>
</head>
<body>
<button onclick="captureAudio();">Capture Audio</button> <br>
</body>
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这不是您问题的确切答案,而是一种可行的替代方案.
我没有使用org.apache.cordova.media-capture,而是尝试了org.apache.cordova.media.
这是一个小例子:
function recordAudio() {
var src = "myrecording.amr";
var mediaRec = new Media(src,
// success callback
function() {
console.log("recordAudio():Audio Success");
},
// error callback
function(err) {
console.log("recordAudio():Audio Error: "+ err.code);
});
// Record audio
mediaRec.startRecord();
// Stop recording after 10 seconds
setTimeout(function() {
mediaRec.stopRecord();
}, 10000);
}
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不幸的是,每个设备都使用自己的音频编解码器,而在Android的情况下,它是AMR编解码器.我能够使用MPC(Windows)收听记录.但是,如果您要上传文件并与其他用户共享,则必须进行转换.
如果找不到该myrecording.amr文件:它位于设备的根目录中.我没有弄清楚如何在应用程序缓存文件夹本身临时存储文件,这是现有的.
10秒的录音大小<20kb.
AMR 8000Hz mono 12kbps [Audio]
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这是非常糟糕的质量.不幸的是,似乎没有可能提高质量.
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