用Javascript录制音频
我正在尝试使用MediaSourceExtensions和MediaRecorder以html格式录制和播放音频 这是我的密码:用Javascript录制音频,javascript,html,Javascript,Html,我正在尝试使用MediaSourceExtensions和MediaRecorder以html格式录制和播放音频 这是我的密码: async function recordAudio() { let mediaDevices = navigator.mediaDevices; let MediaStream = await mediaDevices.getUserMedia({audio: true}); let mediaRecorder = new MediaReco
async function recordAudio()
{
let mediaDevices = navigator.mediaDevices;
let MediaStream = await mediaDevices.getUserMedia({audio: true});
let mediaRecorder = new MediaRecorder(MediaStream);
let audio = document.querySelector('audio');
let chunks = [];
mediaRecorder.start(400);
var mediaSource = new MediaSource();
video.src = URL.createObjectURL(mediaSource);
var sourceBuffer = mediaSource.addSourceBuffer("audio/ogg;codecs=opus");
mediaRecorder.ondataavailable = (e) =>
{
sourceBuffer.appendSourceBuffer(e.data);
};
}
以下是我(在Firefox上)遇到的错误:
我要做的是在输入后几乎立即/400ms播放声音,但我不知道如何修复它
任何帮助都将不胜感激
更新:
我将mimeType更改为“audio/mp4;codecs=“mp4a.40.2”,这显然是唯一受支持的格式,解决了第一个问题,但现在浏览器向我显示以下错误消息:
Uncaught (in promise) DOMException: An attempt was made to use an object that is not, or is no longer, usable (line 11).
您是否尝试过使用受支持的格式?错误消息非常清楚:“audio/ogg;codecs=opus”不受支持。您使用的浏览器是什么?我搜索了“mediasourceextension支持的格式”,但找不到太多。
Uncaught (in promise) DOMException: An attempt was made to use an object that is not, or is no longer, usable (line 11).