我需要把视频解码成帧。我可以在mime类型的视频中这样做,但是它不适用于
for (int i = 0; i < extractor.getTrackCount(); i++) {
MediaFormat format = extractor.getTrackFormat(i);
String mime = format.getString(MediaFormat.KEY_MIME);
System.out.println(mime);
if (mime.sta
我是VBA新手。我正在编写代码,将excel中的粘贴图表复制到powerpoint演示文稿的不同幻灯片中。我可以将图表粘贴到ppt的幻灯片1上,但对于第二张图表,我收到一个错误消息:“请求无效。要选择形状,其视图必须处于活动状态。”我请求所有人支持我更正下面的代码:
Sub ExcelAuto()
Dim PPT As PowerPoint.Application
Dim PPTFile As PowerPoint.Presentation
Dim ActiveSlide As PowerPoint.Slide
Set PPT = CreateObject("PowerPoint.A
with tb as(
select 1 as PPT_FROM,40 PPT_TO from dual
union
select 15 as PPT_FROM,40 PPT_TO from dual)
select * from tb
where 40 between PPT_FROM and PPT_TO;
现在输入在两个日期范围内都是40或15,所以我想获取最大记录,即15 PPT_from和40 PPT_to
嗨,我想在我的应用程序上播放远程视频。网址为:
我使用的AVKit与此代码,但屏幕和音频不工作。我只看到前进的进度条。
let player = AVPlayer(url: url)
// Create a new AVPlayerViewController and pass it a reference to the player.
let controller = AVPlayerViewController()
controller.player = player
controller.player?.