删除多余文件

This commit is contained in:
zyy 2019-11-14 15:51:42 +08:00
parent 3d493cd361
commit e6b81355a4
5 changed files with 2 additions and 295 deletions

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@ -1,204 +0,0 @@
// 兼容
window.URL = window.URL || window.webkitURL;
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
export function init(stream, config) {
config = config || {};
config.sampleBits = config.sampleBits || 16; // 采样数位 8, 16
config.sampleRate = config.sampleRate || (16000); // 采样率(1/6 44100)
var context = new (window.webkitAudioContext || window.AudioContext)();
var audioInput = context.createMediaStreamSource(stream);
var createScript = context.createScriptProcessor || context.createJavaScriptNode;
var recorder = createScript.apply(context, [4096, 1, 1]);
var audioData = {
size: 0, // 录音文件长度
buffer: [], // 录音缓存
inputSampleRate: context.sampleRate, // 输入采样率
inputSampleBits: 16, // 输入采样数位 8, 16
outputSampleRate: config.sampleRate, // 输出采样率
oututSampleBits: config.sampleBits, // 输出采样数位 8, 16
input: function (data) {
this.buffer.push(new Float32Array(data));
this.size += data.length;
},
compress: function () { // 合并压缩
// 合并
var data = new Float32Array(this.size);
var offset = 0;
for (var i = 0; i < this.buffer.length; i++) {
data.set(this.buffer[i], offset);
offset += this.buffer[i].length;
}
// 压缩
var compression = parseInt(this.inputSampleRate / this.outputSampleRate);
var length = data.length / compression;
var result = new Float32Array(length);
var index = 0; var j = 0;
while (index < length) {
result[index] = data[j];
j += compression;
index++;
}
return result;
},
encodeWAV: function () {
var sampleRate = Math.min(this.inputSampleRate, this.outputSampleRate);
var sampleBits = Math.min(this.inputSampleBits, this.oututSampleBits);
var bytes = this.compress();
var dataLength = bytes.length * (sampleBits / 8);
var buffer = new ArrayBuffer(44 + dataLength);
var data = new DataView(buffer);
var channelCount = 1;// 单声道
var offset = 0;
var writeString = function (str) {
for (var i = 0; i < str.length; i++) {
data.setUint8(offset + i, str.charCodeAt(i));
}
};
// 资源交换文件标识符
writeString('RIFF'); offset += 4;
// 下个地址开始到文件尾总字节数,即文件大小-8
data.setUint32(offset, 36 + dataLength, true); offset += 4;
// WAV文件标志
writeString('WAVE'); offset += 4;
// 波形格式标志
writeString('fmt '); offset += 4;
// 过滤字节,一般为 0x10 = 16
data.setUint32(offset, 16, true); offset += 4;
// 格式类别 (PCM形式采样数据)
data.setUint16(offset, 1, true); offset += 2;
// 通道数
data.setUint16(offset, channelCount, true); offset += 2;
// 采样率,每秒样本数,表示每个通道的播放速度
data.setUint32(offset, sampleRate, true); offset += 4;
// 波形数据传输率 (每秒平均字节数) 单声道×每秒数据位数×每样本数据位/8
data.setUint32(offset, channelCount * sampleRate * (sampleBits / 8), true); offset += 4;
// 快数据调整数 采样一次占用字节数 单声道×每样本的数据位数/8
data.setUint16(offset, channelCount * (sampleBits / 8), true); offset += 2;
// 每样本数据位数
data.setUint16(offset, sampleBits, true); offset += 2;
// 数据标识符
writeString('data'); offset += 4;
// 采样数据总数,即数据总大小-44
data.setUint32(offset, dataLength, true); offset += 4;
// 写入采样数据
if (sampleBits === 8) {
for (let i = 0; i < bytes.length; i++, offset++) {
const s = Math.max(-1, Math.min(1, bytes[i]));
let val = s < 0 ? s * 0x8000 : s * 0x7FFF;
val = parseInt(255 / (65535 / (val + 32768)));
data.setInt8(offset, val, true);
}
} else {
for (let i = 0; i < bytes.length; i++, offset += 2) {
const s = Math.max(-1, Math.min(1, bytes[i]));
data.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
}
}
return new Blob([data], { type: 'audio/wav' });
}
};
// 开始录音
this.start = function () {
audioInput.connect(recorder);
recorder.connect(context.destination);
};
// 停止
this.stop = function () {
recorder.disconnect();
};
// 获取音频文件
this.getBlob = function () {
this.stop();
return audioData.encodeWAV();
};
// 回放
this.play = function (audio) {
audio.src = window.URL.createObjectURL(this.getBlob());
};
// 上传
this.upload = function (url, callback) {
var fd = new FormData();
fd.append('audioData', this.getBlob());
var xhr = new XMLHttpRequest();
if (callback) {
xhr.upload.addEventListener('progress', function (e) {
callback('uploading', e);
}, false);
xhr.addEventListener('load', function (e) {
callback('ok', e);
}, false);
xhr.addEventListener('error', function (e) {
callback('error', e);
}, false);
xhr.addEventListener('abort', function (e) {
callback('cancel', e);
}, false);
}
xhr.open('POST', url);
xhr.send(fd);
};
// 音频采集
recorder.onaudioprocess = function (e) {
audioData.input(e.inputBuffer.getChannelData(0));
// record(e.inputBuffer.getChannelData(0));
};
}
// 抛出异常
init.throwError = function (message, callback) {
alert(message);
callback('1001');
// throw new function () { this.toString = function () { return message; }; };
};
// 是否支持录音
init.canRecording = (navigator.getUserMedia != null);
// 获取录音机
init.get = function (callback, config) {
if (callback) {
if (navigator.getUserMedia) {
navigator.getUserMedia(
{ audio: true } // 只启用音频
, function (stream) {
var rec = new init(stream, config);
callback(rec);
}
, function (error) {
switch (error.code || error.name) {
case 'PERMISSION_DENIED':
case 'PermissionDeniedError':
init.throwError('用户拒绝提供信息。');
break;
case 'NOT_SUPPORTED_ERROR':
case 'NotSupportedError':
init.throwError('浏览器不支持硬件设备。', callback);
break;
case 'MANDATORY_UNSATISFIED_ERROR':
case 'MandatoryUnsatisfiedError':
init.throwError('无法发现指定的硬件设备。', callback);
break;
default:
init.throwError('无法打开麦克风。', callback);
break;
}
});
} else {
init.throwErr('当前浏览器不支持录音功能。'); return;
}
}
};
export default { init };

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@ -3,8 +3,8 @@ export function getBaseUrl() {
let BASE_API;
if (process.env.NODE_ENV === 'development') {
// BASE_API = 'https://joylink.club/jlcloud';
// BASE_API = 'https://test.joylink.club/jlcloud';
BASE_API = 'http://192.168.3.5:9000'; // 袁琪
BASE_API = 'https://test.joylink.club/jlcloud';
// BASE_API = 'http://192.168.3.5:9000'; // 袁琪
// BASE_API = 'http://192.168.3.6:9000'; // 旭强
// BASE_API = 'http://192.168.3.41:9000'; // 杜闪
// BASE_API = 'http://192.168.3.82:9000'; // 杜康

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@ -1,33 +0,0 @@
var ChatFomat = {
roleConfig: {
'Admin': '管理员',
'Instructor': '教员',
'Dispatcher': '行调',
'Attendant': '车站',
'Audience': '观众',
'Driver': '列车'
},
formatTime(time) {
return /\d{2}:\d{2}:\d{2}/.exec(time)[0] || time;
},
formatName(member) {
let name = `${member.nickName}`;
if (member.id) {
name = `${this.roleConfig[member.role] || ''}${name}`;
}
return name;
},
formatSay(nor) {
let who = '';
if (nor.group) {
if (nor.targetMember) {
who = `@${nor.targetMember.nickName}`;
} else {
who = '@ALL';
}
}
return `${who} ${nor.value}`;
}
};
export default ChatFomat;

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@ -1,10 +0,0 @@
import defaultSettings from '@/settings';
const title = defaultSettings.title || 'Vue Admin Template';
export default function getPageTitle(pageTitle) {
if (pageTitle) {
return `${pageTitle} - ${title}`;
}
return `${title}`;
}

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@ -1,46 +0,0 @@
export function now() {
var d = new Date()
var year = d.getFullYear()
var month = change(d.getMonth() + 1)
var day = change(d.getDate())
var hour = change(d.getHours())
var minute = change(d.getMinutes())
var second = change(d.getSeconds())
function change(t) {
if (t < 10) {
return '0' + t
} else {
return t
}
}
return year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second
}
export function timeFormat(time) {
function getTimeStr(val) {
return val < 10 ? '0' + val : val
}
if (Number.isInteger(time)) {
let hour = 0; let minute = 0; let second = 0
if (time) {
if (time >= 3600) {
hour = Math.floor(time / 3600) % 24
time = (time % 3600)
}
if (time >= 60) {
minute = Math.floor(time / 60)
time = time % 60
}
second = Math.floor(time)
}
return getTimeStr(hour) + ':' + getTimeStr(minute) + ':' + getTimeStr(second)
} else {
return ''
}
}
export function prefixIntrger(num, length) {
return (Array(length).join('0') + num).slice(-length)
}