private void selectAudioFile(string file)
{
FileSize f = FileSize.Of2(file) ?? FileSize.Empty;
size.CertainValue = f;
AudioType aud2Type = VideoUtil.guessAudioType(file);
if (audio1Type.Items.Contains(aud2Type))
{
audio1Type.SelectedItem = aud2Type;
}
MediaInfo info;
try
{
info = new MediaInfo(file);
MediaInfoWrapper.AudioTrack atrack = info.Audio[0];
if (atrack.CodecString == "DTS")
{
audio1Bitrate.Value = (Convert.ToInt32(atrack.BitRate) / 1000);
}
}
catch (Exception i)
{
MessageBox.Show("The following error ocurred when trying to get Media info for file " + file + "\r\n" + i.Message, "Error parsing mediainfo data", MessageBoxButtons.OK);
}
}
/// gets information about a video source using MediaInfo
/// </summary>
/// <param name="infoFile">the info file to be analyzed</param>
/// <param name="audioTracks">the audio tracks found</param>
/// <param name="maxHorizontalResolution">the width of the video</param>
public void getSourceMediaInfo(string fileName, out List <AudioTrackInfo> audioTracks, out int maxHorizontalResolution)
{
MediaInfo info;
audioTracks = new List <AudioTrackInfo>();
maxHorizontalResolution = 5000;
try
{
info = new MediaInfo(fileName);
maxHorizontalResolution = Int32.Parse(info.Video[0].Width);
for (int counter = 0; counter < info.Audio.Count; counter++)
{
MediaInfoWrapper.AudioTrack atrack = info.Audio[counter];
AudioTrackInfo ati = new AudioTrackInfo();
// DGIndex expects audio index not ID for TS
ati.ContainerType = info.General[0].Format;
ati.Index = counter;
if (info.General[0].Format == "CDXA/MPEG-PS")
{
// MediaInfo doesn't give TrackID for VCD, specs indicate only MP1L2 is supported
ati.TrackID = (0xC0 + counter);
}
else if (atrack.ID != "0")
{
ati.TrackID = Int32.Parse(atrack.ID);
}
else
{
// MediaInfo failed to get ID try guessing based on codec
switch (atrack.Codec.Substring(0, 3))
{
case "AC3": ati.TrackID = (0x80 + counter); break;
case "PCM": ati.TrackID = (0xA0 + counter); break;
case "MPA": ati.TrackID = (0xC0 + counter); break;
case "DTS": ati.TrackID = (0x88 + counter); break;
}
}
ati.Type = atrack.CodecString;
ati.NbChannels = atrack.ChannelsString;
ati.SamplingRate = atrack.SamplingRateString;
ati.TrackInfo = new TrackInfo(atrack.LanguageString, null);
audioTracks.Add(ati);
if (info.General[0].Format == "MPEG-TS")
{
break; // DGIndex only supports first audio stream with TS files
}
}
}
catch (Exception i)
{
MessageBox.Show("The following error ocurred when trying to get Media info for file " + fileName + "\r\n" + i.Message, "Error parsing mediainfo data", MessageBoxButtons.OK);
audioTracks.Clear();
}
}
/// gets ID from audio stream using MediaInfo
/// </summary>
/// <param name="infoFile">the file to be analyzed</param>
/// <param name="count">the counter</param>
/// <returns>the audio track ID found</returns>
public static int getIDFromAudioStream(string fileName, int count)
{
MediaInfo info;
int TrackID = 0;
try
{
info = new MediaInfo(fileName);
if (info.AudioCount >= 0)
{
MediaInfoWrapper.AudioTrack atrack = info.Audio[count];
TrackID = Int32.Parse(atrack.ID);
}
}
catch (Exception i)
{
MessageBox.Show("The following error ocurred when trying to get Media info for file " + fileName + "\r\n" + i.Message, "Error parsing mediainfo data", MessageBoxButtons.OK);
}
return(TrackID);
}
