获取iPhone视频缩略图 [英] Getting iPhone video thumbnails
问题描述
如何获取从相机胶卷或相机本身导入的视频的缩略图?
How do I get a thumbnail of a video imported from the camera roll, or the camera itself?
以前已经询问过并已被回答。但是,答案对我来说是一种吸引力。
This has been asked before, and has been answered. However, the answers kind of suck for me.
这个线程 iphone sdk> 3.0。视频缩略图有一些选项可以归结为:
This thread iphone sdk > 3.0 . Video Thumbnail? has some options that boil down to:
- 抓取一些JPG文件系统目录,最新修改日期为应该对应于您刚刚选择的视频。这是非常凌乱的,涉及到苹果公司可能不希望我这样做的目录中生根。
- 使用ffmpeg。但是这是一般的,我似乎无法弄清楚将ffmpeg导入到我的项目中并将其实际调用来提取图像所需的步骤。
真的没有别的办法吗?这似乎是SDK对我的巨大监督。我的意思是视频选择器中有缩略图,所以苹果必须做某些来生成这些东西,但不允许我们使用?
Is there really no other way? This seems like a HUGE oversight in the SDK to me. I mean the video picker has thumbnails in it, so Apple must be doing something to generate those, yet does not allow us to?
推荐答案
最佳方法我发现... MPMoviePlayerController thumbnailImageAtTime:timeOption
Best method I've found... MPMoviePlayerController thumbnailImageAtTime:timeOption
不要这样看...下面第一个评论。这就是答案。
Nevermind this... see first comment below. That's the answer.
这篇关于获取iPhone视频缩略图的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!