x15904151985/ArtPlayer
1
0 Fork 0
mirror of https://github.com/zhw2590582/ArtPlayer.git synced 2026-10-22 13:21:20 -08:00
Code Issues Packages Projects Releases Wiki Activity

修复预览图工具bug

Browse Source
This commit is contained in:
Harvey Zack committed 2018-12-07 20:51:33 +08:00
1 parent 465fb64cda
commit 39301b2e14
4 files changed
+37 -70
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

packages/artplayer-tool-thumbnail/src/index.js
+16 -13
View File
@@ -108,20 +108,23 @@ class ArtplayerToolThumbnail extends Emitter {
this.emit('canvas', canvas);
const promiseList = screenshotDate.map((item, index) => () => {
this.video.currentTime = item.time;
return sleep(delay)
.then(() => {
context2D.drawImage(this.video, item.x, item.y, width, height);
canvas.toBlob(blob => {
if (this.thumbnailUrl) {
URL.revokeObjectURL(this.thumbnailUrl);
}
this.thumbnailUrl = URL.createObjectURL(blob);
this.emit('update', this.thumbnailUrl, (index + 1) / number);
return new Promise(resolve => {
sleep(delay)
.then(() => {
context2D.drawImage(this.video, item.x, item.y, width, height);
canvas.toBlob(blob => {
if (this.thumbnailUrl) {
URL.revokeObjectURL(this.thumbnailUrl);
}
this.thumbnailUrl = URL.createObjectURL(blob);
this.emit('update', this.thumbnailUrl, (index + 1) / number);
resolve();
});
})
.catch(err => {
console.error(err);
});
})
.catch(err => {
console.error(err);
});
});
});
this.processing = true;
return runPromisesInSeries(promiseList)