[英]Upload video from meteor and cordova
我從流星的Cordova應用程序上傳視頻時遇到問題。 捕獲視頻是可以的,但是當我將readData作為DataURL進行操作時,結果為空,例如“ content:video / mp4; base64”,base64之后什么也沒有,有人知道會發生什么?
編輯1:我認為問題來自許可,這可能嗎?
navigator.device.capture.captureVideo(function (mediaFiles) {
var i, path, len;
for (i = 0, len = mediaFiles.length; i < len; i += 1) {
path = mediaFiles[i].fullPath;
var file = mediaFiles;
var FR = new FileReader();
FR.onerror = function (err) {
console.log("ERROR");
}
FR.onloadend = function (encodedFile) {
var src = encodedFile.target.result;
src = src.split("base64,");
var contentAsBase64EncodedString = src[1] //EMPTY;
var url = Session.get("lat") + "_" + new Date().toJSON() + ".mp4";
console.log("on upload");
Meteor.call('uploadVideo', contentAsBase64EncodedString , url);
}
FR.readAsDataURL( mediaFiles[i]);
}
我找到了解決方案,請按照以下步驟操作:
window.resolveLocalFileSystemURL(imageUri, function(fileEntry) {
fileEntry.file(function(file) {
file.name = filename;
template.cordovaFile = file;
});
});
var file = template.cordovaFile;
var reader = new FileReader();
reader.onloadend = function(e) {
var fileBlob = internals.dataURItoBlob(e.target.result);
if (fileBlob) {
uploader.send(fileBlob, function (error, downloadUrl) {
if (error) {
return cb(error);
}
return cb(null);
});
}
}
reader.readAsDataURL(file);
/**
* Converts a data uri into Blob object
* @param dataURI
* @returns {Blob}
*/
internals.dataURItoBlob = function(dataURI) {
var byteString = atob(dataURI.split(',')[1]);
var ab = new ArrayBuffer(byteString.length);
var ia = new Uint8Array(ab);
for (var i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
return new Blob([ab], { type: 'image/jpeg' });
};
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