protected async override void OnShown(EventArgs e)
{
base.OnShown(e);
if (!FFmpegService.FFmpegExists)
{
this.Enabled = false;
await FFmepgDownload.DownloadArchive((i) =>
{
this.Text = $"下载中{i}%";
}, cancellationTokenSource.Token);
this.Enabled = true;
}
videoFileReader = new VideoFileReader()
{
FPS = 25
};
videoFileReader.Open("Videos/girl.mp4");
await Task.Run(() =>
{
foreach (var frame in videoFileReader.ReadVideoFrames(size: this.ClientSize, readByNativeFrame: true, cancellationToken: cancellationTokenSource.Token))
{
using (frame.FrameBitmap)
using (Graphics g = this.CreateGraphics())
{
g.DrawImage(frame.FrameBitmap, 0, 0);
}
}
});
}
