史上最完整的QQ截图工具，1比1，高仿供学习，MulanPSL-2.0协议，Qt实现，可随意移植国产系统UOS/麒麟。仿最新QQ截图，中国码云独家开源, 可以随意修改使用优化源码
2021-12-15 19:01:44
25.02MB
1
opencv实现四个视频同时的运动目标的追踪，并用点显示出运动轨迹，同时进行屏幕的录制，向本地服务器上传视频
2021-12-13 09:05:10
184.49MB
1
Html5网页纯JavaScript录制MP3音频
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Html5网页JavaScript录制MP3音频</title>
<meta charset="utf-8" />
</head>
<body>
Html5网页JavaScript录制MP3音频
录制
停止
上传
调试信息：
[removed][removed]
[removed]
var recorder = new MP3Recorder({
debug:true,
funOk: function () {
btnStart.disabled = false;
log('初始化成功');
},
funCancel: function (msg) {
log(msg);
recorder = null;
}
});
var mp3Blob;
function funStart(button) {
btnStart.disabled = true;
btnStop.disabled = false;
btnUpload.disabled = true;
log('录音开始...');
recorder.start();
}
function funStop(button) {
recorder.stop();
btnStart.disabled = false;
btnStop.disabled = true;
btnUpload.disabled = false;
log('录音结束，MP3导出中...');
recorder.getMp3Blob(function (blob) {
log('MP3导出成功');
mp3Blob = blob;
var url = URL.createObjectURL(mp3Blob);
var div = document.createElement('div');
var au = document.createElement('audio');
var hf = document.createElement('a');
au.controls = true;
au.src = url;
hf.href = url;
hf.download = new Date().toISOString() + '.mp3';
hf[removed] = hf.download;
div.appendChild(au);
div.appendChild(hf);
recordingslist.appendChild(div);
});
}
function log(str) {
recordingslist[removed] += str + '';
}
function funUpload() {
var fd = new FormData();
var mp3Name = encodeURIComponent('audio_recording_' + new Date().getTime() + '.mp3');
fd.append('mp3Name', mp3Name);
fd.append('file', mp3Blob);
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
recordingslist[removed] += '上传成功：' + mp3Name + '';
}
};
xhr.open('POST', 'upload.ashx');
xhr.send(fd);
}
[removed]
</body>
</html>
[javascript] view plain copy
在CODE上查看代码片派生到我的代码片
(function (exports) {
var MP3Recorder = function (config) {
var recorder = this;
config = config || {};
config.sampleRate = config.sampleRate || 44100;
config.bitRate = config.bitRate || 128;
navigator.getUserMedia = navigator.getUserMedia ||
navigator.webkitGetUserMedia ||
navigator.mozGetUserMedia ||
navigator.msGetUserMedia;
if (navigator.getUserMedia) {
navigator.getUserMedia({
audio: true
},
function (stream) {
var context = new AudioContext(),
microphone = context.createMediaStreamSource(stream),
processor = context.createScriptProcessor(16384, 1, 1),//bufferSize大小，输入channel数，输出channel数
mp3ReceiveSuccess, currentErrorCallback;
config.sampleRate = context.sampleRate;
processor.onaudioprocess = function (event) {
//边录音边转换
var array = event.inputBuffer.getChannelData(0);
realTimeWorker.postMessage({ cmd: 'encode', buf: array });
};
var realTimeWorker = new Worker('js/worker-realtime.js');
realTimeWorker.onmessage = function (e) {
switch (e.data.cmd) {
case 'init':
log('初始化成功');
if (config.funOk) {
config.funOk();
}
break;
case 'end':
log('MP3大小：', e.data.buf.length);
if (mp3ReceiveSuccess) {
mp3ReceiveSuccess(new Blob(e.data.buf, { type: 'audio/mp3' }));
}
break;
case 'error':
log('错误信息：' + e.data.error);
if (currentErrorCallback) {
currentErrorCallback(e.data.error);
}
break;
default:
log('未知信息：', e.data);
}
};
recorder.getMp3Blob = function (onSuccess, onError) {
currentErrorCallback = onError;
mp3ReceiveSuccess = onSuccess;
realTimeWorker.postMessage({ cmd: 'finish' });
};
recorder.start = function () {
if (processor && microphone) {
microphone.connect(processor);
processor.connect(context.destination);
log('开始录音');
}
}
recorder.stop = function () {
if (processor && microphone) {
microphone.disconnect();
processor.disconnect();
log('录音结束');
}
}
realTimeWorker.postMessage({
cmd: 'init',
config: {
sampleRate: config.sampleRate,
bitRate: config.bitRate
}
});
},
function (error) {
var msg;
switch (error.code || error.name) {
case 'PERMISSION_DENIED':
case 'PermissionDeniedError':
msg = '用户拒绝访问麦客风';
break;
case 'NOT_SUPPORTED_ERROR':
case 'NotSupportedError':
msg = '浏览器不支持麦客风';
break;
case 'MANDATORY_UNSATISFIED_ERROR':
case 'MandatoryUnsatisfiedError':
msg = '找不到麦客风设备';
break;
default:
msg = '无法打开麦克风，异常信息:' + (error.code || error.name);
break;
}
if (config.funCancel) {
config.funCancel(msg);
}
});
} else {
if (config.funCancel) {
config.funCancel('当前浏览器不支持录音功能');
}
}
function log(str) {
if (config.debug) {
console.log(str);
}
}
}
exports.MP3Recorder = MP3Recorder;
})(window);
2021-12-12 20:45:36
59KB
1
前端调用麦克风实现开启语音，录制语音功能，前端调用麦克风实现开启语音，录制语音功能，前端调用麦克风实现开启语音，录制语音功能
2021-12-12 20:12:20
6KB
1
实现了一个录音的demo支持MP3和arm格式录音 MP3格式录制在MainActivity中 ARM格式录制在RecordActivity中，支持后台录音 文件上传在Uploadutil中，支持单个文件和过个文件上传.rar,太多无法一一验证是否可用，程序如果跑不起来需要自调，部分代码功能进行参考学习。
2021-12-10 14:37:51
2.56MB
1
语音聊天，音质还行，压缩比也挺高，60s也就几十k吧，导入工程的时候必须要按照原来的包结构导入，不然录制和播放都有问题，播放完成可以在播放类写回调，原来自带的是没有播放暂停，和播放完成之类的，这个是一边解码一边播放，需要再播放的时候监听，SpeexPlayer在这类里边加上就行
2021-12-08 14:46:49
1.84MB
1