feat: chooseVideo 读取视频信息

src/platforms/h5/service/api/media/choose-image.js

@@ -17,7 +17,6 @@ const _createInput = function (options) {
     'width': 0,
     'height': 0
   })
-  // inputEl.style = 'position: absolute;visibility: hidden;z-index: -999;width: 0;height: 0;'
   inputEl.accept = 'image/*'
   if (options.count > 1) {
     inputEl.multiple = 'multiple'

src/platforms/h5/service/api/media/choose-video.js

@@ -17,7 +17,6 @@ const _createInput = function (options) {
     'width': 0,
     'height': 0
   })
-  // inputEl.style = 'position: absolute;visibility: hidden;z-index: -999;width: 0;height: 0;'
   inputEl.accept = 'video/*'
   // 经过测试，仅能限制只通过相机拍摄，不能限制只允许从相册选择。
   if (options.sourceType.length === 1 && options.sourceType[0] === 'camera') {
@@ -43,12 +42,23 @@ export function chooseVideo ({
     const file = event.target.files[0]
     const filePath = fileToUrl(file)
 
-    invoke(callbackId, {
+    let callbackResult = {
       errMsg: 'chooseVideo:ok',
       tempFilePath: filePath,
-      size: file.size
-    })
+      size: file.size,
+      duration: 0,
+      width: 0,
+      height: 0
+    }
 
+    const video = document.createElement('video')
+    video.addEventListener('loadedmetadata', function () {
+      callbackResult.duration = video.duration || 0
+      callbackResult.width = video.videoWidth || 0
+      callbackResult.height = video.videoHeight || 0
+      invoke(callbackId, callbackResult)
+    })
+    video.src = filePath
     // TODO 用户取消选择时，触发 fail，目前尚未找到合适的方法。
   })