//添加字幕
public static async Task <string> Addsrt(string videoPath, string srtPath)
{
string outputPath = Path.ChangeExtension(Path.GetTempFileName(), ".mp4");
await Conversion.AddSubtitles(videoPath, outputPath, srtPath).Start();
return(outputPath);
}
public async Task BurnSubtitleTest()
{
string output = Path.ChangeExtension(Path.GetTempFileName(), FileExtensions.Mp4);
string input = Resources.Mp4;
IConversionResult result = await Conversion.AddSubtitles(input, output, Resources.SubtitleSrt)
.SetPreset(ConversionPreset.UltraFast)
.Start().ConfigureAwait(false);
Assert.True(result.Success);
IMediaInfo outputInfo = await MediaInfo.Get(output).ConfigureAwait(false);
Assert.Equal(TimeSpan.FromSeconds(13), outputInfo.Duration);
}
