/// <summary>
/// All mencoder standard output is read through this function.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MencoderInstance_OutputDataReceived(object sender, System.Diagnostics.DataReceivedEventArgs e)
{
if (e.Data != null)
{
string line = e.Data.ToString();
try
{
if (line.StartsWith("Pos:"))
{
int percent = Globals.IntParse(line.Substring(21, 3).Replace("%", "").Trim());
if (percent != _currentPercent)
{
// Only riase this event once the percent has changed
if (this.PercentCompleted != null)
{
this.PercentCompleted(this, new MplayerEvent(percent));
}
}
}
else if (line.Contains("Exiting") || line.ToLower().StartsWith("eof code"))
{
if (this.ConversionComplete != null)
{
this.ConversionComplete(this, new MplayerEvent("Exiting File"));
}
}
}
catch (Exception ex)
{
LibMPlayerCommon.Logging.Instance.WriteLine(ex);
}
//System.Console.WriteLine(line);
}
}
public void Execute()
{
/*
* Reads the values of the video (width, heigth, fps...) and stores them
* into file_values.
*
* Returns (False,AUDIO) if the file is not a video (with AUDIO the number
* of audio tracks)
*
* Returns (True,0) if the file is a right video file
*/
BackendPrograms mplayerLocation = new BackendPrograms(mplayerPath);
int audio = 0;
int video = 0;
int nframes = 1;
int minimum_audio = 10000;
_AudioList = new List <int> ();
_AudioTracks = new List <AudioTrackInfo> ();
_SubtitleList = new List <SubtitlesInfo> ();
// if CHECK_AUDIO is TRUE, we just check if it's an audio file
//if check_audio:
// nframes=0
//else:
// nframes=1
using (var handle = new System.Diagnostics.Process()) {
handle.StartInfo.UseShellExecute = false;
handle.StartInfo.CreateNoWindow = true;
handle.StartInfo.RedirectStandardOutput = true;
handle.StartInfo.RedirectStandardError = true;
handle.StartInfo.FileName = mplayerLocation.MPlayer;
handle.StartInfo.Arguments = string.Format("-loop 1 -identify -ao null -vo null -frames 0 {0} \"{1}\"", nframes.ToString(), filePath);
handle.Start();
string line = "";
StringReader strReader = new StringReader(handle.StandardOutput.ReadToEnd());
while ((line = strReader.ReadLine()) != null) //while (handle.HasExited == false)
{
if (line.Trim() == "")
{
continue;
}
int position = line.IndexOf("ID_");
if (position == -1)
{
continue;
}
line = line.Substring(position);
if (line.StartsWith("ID_VIDEO_BITRATE"))
{
_VideoBitrate = Globals.IntParse(line.Substring(17)) / 1000; // kilobits per second
}
else if (line.StartsWith("ID_VIDEO_WIDTH"))
{
_Width = Globals.IntParse(line.Substring(15));
}
else if (line.StartsWith("ID_VIDEO_HEIGHT"))
{
_Height = Globals.IntParse(line.Substring(16));
}
else if (line.StartsWith("ID_VIDEO_ASPECT"))
{
_AspectRatio = Globals.FloatParse(line.Substring(16));
}
else if (line.StartsWith("ID_VIDEO_FPS"))
{
_fps = (int)Globals.FloatParse(line.Substring(13));
}
else if (line.StartsWith("ID_AUDIO_BITRATE"))
{
_AudioBitrate = Globals.IntParse(line.Substring(17)) / 1000; // kilobits per second
}
else if (line.StartsWith("ID_AUDIO_RATE"))
{
_AudioRate = Globals.IntParse(line.Substring(14));
}
else if (line.StartsWith("ID_LENGTH"))
{
_Length = (int)Globals.FloatParse(line.Substring(10));
}
else if (line.StartsWith("ID_VIDEO_ID"))
{
video += 1;
_Video = true;
}
else if (line.StartsWith("ID_AUDIO_ID"))
{
audio += 1;
_Audio = true;
int audio_track = Globals.IntParse(line.Substring(12));
if (minimum_audio > audio_track)
{
minimum_audio = audio_track;
}
_AudioList.Add(audio_track);
AudioTrackInfo info = new AudioTrackInfo();
info.ID = audio_track;
_AudioTracks.Add(info);
}
else if (line.StartsWith("ID_AID_") && line.Substring(9, 4) == "LANG")
{
if (_AudioTracks.Count > 0)
{
string value = line.Substring(14);
_AudioTracks [_AudioTracks.Count - 1].Language = value;
}
}
else if (line.StartsWith("ID_AID_") && line.Substring(9, 4) == "NAME")
{
if (_AudioTracks.Count > 0)
{
string value = line.Substring(14);
_AudioTracks [_AudioTracks.Count - 1].Name = value;
}
}
else if (line.StartsWith("ID_SUBTITLE_ID"))
{
int value = Globals.IntParse(line.Substring(15));
SubtitlesInfo info = new SubtitlesInfo();
info.ID = value;
_SubtitleList.Add(info);
}
else if (line.StartsWith("ID_SID_") && line.Substring(9, 4) == "LANG")
{
if (_SubtitleList.Count > 0)
{
string value = line.Substring(14);
_SubtitleList [_SubtitleList.Count - 1].Language = value;
}
}
else if (line.StartsWith("ID_SID_") && line.Substring(9, 4) == "NAME")
{
if (_SubtitleList.Count > 0)
{
string value = line.Substring(14);
_SubtitleList [_SubtitleList.Count - 1].Name = value;
}
}
}
handle.WaitForExit();
handle.Close();
}
if (_AspectRatio == 0.0)
{
_AspectRatio = ((float)_Width / (float)_Height);
if (_AspectRatio <= 1.5)
{
_AspectRatio = (ScreenAspectRatio.FourThree);
}
}
}