/// <summary>
/// The add ware form_ shown.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void AddWareForm_Shown(object sender, EventArgs e)
{
this.Refresh();
var audioTrackNames = new List<string>();
var mkvAudioTrackNumbers = new Dictionary<int, int>();
int numberOfAudioTracks = 0;
if (this.labelVideoFileName.Text.Length > 1 && File.Exists(this.labelVideoFileName.Text))
{
if (this.labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in matroska files
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(this.labelVideoFileName.Text);
if (matroska.IsValid)
{
foreach (var track in matroska.GetTracks())
{
if (track.IsAudio)
{
numberOfAudioTracks++;
if (track.CodecId != null && track.Language != null)
{
audioTrackNames.Add("#" + track.TrackNumber + ": " + track.CodecId.Replace("\0", string.Empty) + " - " + track.Language.Replace("\0", string.Empty));
}
else
{
audioTrackNames.Add("#" + track.TrackNumber);
}
mkvAudioTrackNumbers.Add(mkvAudioTrackNumbers.Count, track.TrackNumber);
}
}
}
}
finally
{
if (matroska != null)
{
matroska.Dispose();
}
}
}
else if (this.labelVideoFileName.Text.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) || this.labelVideoFileName.Text.EndsWith(".m4v", StringComparison.OrdinalIgnoreCase))
{ // Choose for number of audio tracks in mp4 files
try
{
var mp4 = new MP4Parser(this.labelVideoFileName.Text);
var tracks = mp4.GetAudioTracks();
int i = 0;
foreach (var track in tracks)
{
i++;
if (track.Name != null && track.Mdia != null && track.Mdia.Mdhd != null && track.Mdia.Mdhd.LanguageString != null)
{
audioTrackNames.Add(i + ": " + track.Name + " - " + track.Mdia.Mdhd.LanguageString);
}
else if (track.Name != null)
{
audioTrackNames.Add(i + ": " + track.Name);
}
else
{
audioTrackNames.Add(i.ToString(CultureInfo.InvariantCulture));
}
}
numberOfAudioTracks = tracks.Count;
}
catch
{
}
}
if (Configuration.Settings.General.UseFFmpegForWaveExtraction)
{ // don't know how to extract audio number x via FFmpeg...
numberOfAudioTracks = 1;
this._audioTrackNumber = 0;
}
// Choose audio track
if (numberOfAudioTracks > 1)
{
using (var form = new ChooseAudioTrack(audioTrackNames, this._audioTrackNumber))
{
if (form.ShowDialog(this) == DialogResult.OK)
{
this._audioTrackNumber = form.SelectedTrack;
}
else
{
this.DialogResult = DialogResult.Cancel;
return;
}
}
}
// check for delay in matroska files
if (this.labelVideoFileName.Text.EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
{
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(this.labelVideoFileName.Text);
if (matroska.IsValid)
{
this._delayInMilliseconds = (int)matroska.GetTrackStartTime(mkvAudioTrackNumbers[this._audioTrackNumber]);
}
}
catch
{
this._delayInMilliseconds = 0;
}
finally
{
if (matroska != null)
{
matroska.Dispose();
}
}
}
this.buttonRipWave_Click(null, null);
}
else if (this._wavFileName != null)
{
this.FixWaveOnly();
}
}
private static VideoInfo TryReadVideoInfoViaMatroskaHeader(string fileName)
{
var info = new VideoInfo { Success = false };
MatroskaFile matroska = null;
try
{
matroska = new MatroskaFile(fileName);
if (matroska.IsValid)
{
double frameRate;
int width;
int height;
double milliseconds;
string videoCodec;
matroska.GetInfo(out frameRate, out width, out height, out milliseconds, out videoCodec);
info.Width = width;
info.Height = height;
info.FramesPerSecond = frameRate;
info.Success = true;
info.TotalMilliseconds = milliseconds;
info.TotalSeconds = milliseconds / TimeCode.BaseUnit;
info.TotalFrames = info.TotalSeconds * frameRate;
info.VideoCodec = videoCodec;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (matroska != null)
{
matroska.Dispose();
}
}
return info;
}
