public async Task <string> ConverterAudio(string filename)
{
FFmpeg.ExecutablesPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "FFmpeg");
await FFmpeg.GetLatestVersion().ConfigureAwait(false);
var folderUpload = SupportVideo.CreatePathFolder();
var pathToSave = SupportVideo.CreatePathToSave(folderUpload);
var pathFile = Path.Combine(pathToSave, filename);
if (!File.Exists(pathFile))
{
return("");
}
var fileConverter = new FileInfo(pathFile);
var pathToConvert = new DirectoryInfo(pathToSave).GetFiles().FirstOrDefault(x => x.FullName == fileConverter.FullName);
var outPutFileName = Path.ChangeExtension(fileConverter.FullName, ".wav");
try
{
var mediaInfo = await MediaInfo.Get(pathToConvert).ConfigureAwait(false);
var audioStream = mediaInfo.AudioStreams.First();
var conversion = Conversion.New().AddStream(audioStream)
.SetOutput(outPutFileName)
.SetOverwriteOutput(true)
.SetPreset(ConversionPreset.UltraFast);
await conversion.Start().ConfigureAwait(false);
}
catch (Exception e)
{
return(null);
}
return(outPutFileName);
}
public async Task <VideoUpload> SaveVideo(string url)
{
if (url == null)
{
return(null);
}
using (var client = new HttpClient())
{
try
{
using (var result = await client.GetAsync(url))
{
if (!result.IsSuccessStatusCode)
{
return(null);
}
var upload = new VideoUpload();
var file = await result.Content.ReadAsByteArrayAsync();
var ext = MimeTypeMap.GetExtension(result.Content.Headers.ContentType.MediaType);
var folderUpload = SupportVideo.CreatePathFolder();
var pathToSave = SupportVideo.CreatePathToSave(folderUpload);
if (file == null)
{
return(null);
}
upload.State = 1;
upload.DateUpload = DateTime.Now;
upload.FileName = SupportVideo.RandomNameFile(ext);
upload.Path = Path.Combine(folderUpload, upload.FileName);
var fullPath = Path.Combine(pathToSave, upload.FileName);
using (var stream = new FileStream(fullPath, FileMode.Create, FileAccess.Write))
{
stream.Write(file, 0, file.Length);
}
return(upload);
}
}
catch (Exception ex)
{
throw;
}
}
}