/// <summary>
/// Converts the chosen media to a certain extension the user has chosen for
/// </summary>
/// <param name="selectedFiles"></param>
/// <param name="output"></param>
public async void ConvertChosenMedia(List <StorageFile> selectedFiles, string output)
{
List <StorageFile> files = selectedFiles;
foreach (StorageFile file in files)
{
StorageFile source = file;
MediaEncodingProfile profile = new MediaEncodingProfile();
var ext = file.FileType;
//To which extension needs the file be converted to
switch (output)
{
case "MP3":
if (ext == ".MP3")
{
ext = null;
MessageDialog showDialogError = new MessageDialog("Het bestand kan niet naar dezelfde extensie geconverteerd worden.");
await showDialogError.ShowAsync();
}
else
{
profile = MediaEncodingProfile.CreateMp3(AudioEncodingQuality.High);
}
break;
case "MP4":
if (ext == ".MP4")
{
ext = null;
MessageDialog showDialogError = new MessageDialog("Het bestand kan niet naar dezelfde extensie geconverteerd worden.");
await showDialogError.ShowAsync();
}
else
{
profile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);
}
break;
case "WAV":
if (ext == ".WAV")
{
ext = null;
MessageDialog showDialogError = new MessageDialog("Het bestand kan niet naar dezelfde extensie geconverteerd worden.");
await showDialogError.ShowAsync();
}
profile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.High);
break;
default:
output = null;
MessageDialog showDialogUnknown = new MessageDialog("Gekozen formaat om naar te converten is niet geldig.");
await showDialogUnknown.ShowAsync();
break;
}
//Puts the file in the "Video's" folder
if (output != null && ext != null)
{
var folder = KnownFolders.VideosLibrary;
string datetime = "_" + DateTime.Now.Day + DateTime.Now.Month + DateTime.Now.Year + DateTime.Now.Hour + DateTime.Now.Minute + DateTime.Now.Second;
var destination = await folder.CreateFileAsync(source.Name.Remove(source.Name.Length - 4) + datetime + "." + output);
MediaTranscoder transcoder = new MediaTranscoder();
PrepareTranscodeResult prepareOp = null;
while (source.Equals(null) || destination.Equals(null) || profile.Equals(null))
{
//waiting
}
using (await bouncer.LockAsync())
{
//catch the nullreference exception on prepareOp
try
{
prepareOp = await transcoder.PrepareFileTranscodeAsync(source, destination, profile);
//if possible
if (prepareOp.CanTranscode)
{
var transcodeOp = prepareOp.TranscodeAsync();
transcodeOp.Completed +=
new AsyncActionWithProgressCompletedHandler <double>(TranscodeComplete);
}
else
{
switch (prepareOp.FailureReason)
{
case TranscodeFailureReason.CodecNotFound:
Debug.WriteLine("Codec not found.");
break;
case TranscodeFailureReason.InvalidProfile:
Debug.WriteLine("Invalid profile.");
break;
default:
Debug.WriteLine("Unknown failure.");
break;
}
}
}
catch (NullReferenceException ex) { Debug.WriteLine(ex.Message); }
}
}
}
}
public async void ConvertChosenMedia(List <StorageFile> selectedFiles, string output)
{
List <StorageFile> files = selectedFiles;
foreach (StorageFile file in files)
{
StorageFile source = file;
MediaEncodingProfile profile = new MediaEncodingProfile();
//wat wil de gebruiker er mee
switch (output)
{
case "MP3":
profile = MediaEncodingProfile.CreateMp3(AudioEncodingQuality.High);
break;
case "MP4":
profile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Auto);
break;
case "WAV":
profile = MediaEncodingProfile.CreateWav(AudioEncodingQuality.High);
break;
default:
Debug.WriteLine("Gekozen formaat om naar te converten staat niet in de switchlijst");
break;
}
//bepaald waar het nieuwe bestand komt
var folder = KnownFolders.VideosLibrary;
string datetime = "_" + DateTime.Now.Day + DateTime.Now.Month + DateTime.Now.Year + DateTime.Now.Hour + DateTime.Now.Minute + DateTime.Now.Second;
var destination = await folder.CreateFileAsync(source.Name.Remove(source.Name.Length - 4) + datetime + "." + output);
MediaTranscoder transcoder = new MediaTranscoder();
PrepareTranscodeResult prepareOp = null;
while (source.Equals(null) || destination.Equals(null) || profile.Equals(null))
{
//blijf wachten
}
using (await bouncer.LockAsync())
{
//afvangen dat prepareOp nullreferenceexception gooit
try
{
prepareOp = await transcoder.PrepareFileTranscodeAsync(source, destination, profile);
//als het kan
if (prepareOp.CanTranscode)
{
var transcodeOp = prepareOp.TranscodeAsync();
transcodeOp.Progress +=
new AsyncActionProgressHandler <double>(TranscodeProgress);
transcodeOp.Completed +=
new AsyncActionWithProgressCompletedHandler <double>(TranscodeComplete);
}
else
{
switch (prepareOp.FailureReason)
{
case TranscodeFailureReason.CodecNotFound:
Debug.WriteLine("Codec not found.");
break;
case TranscodeFailureReason.InvalidProfile:
Debug.WriteLine("Invalid profile.");
break;
default:
Debug.WriteLine("Unknown failure.");
break;
}
}
}
catch (NullReferenceException ex) { Debug.WriteLine(ex.Message); }
}
}//foreach
}
