/// <summary>
/// Adds a encodeJob to the queue.
/// </summary>
/// <param name="encodeJob">The encodeJob.</param>
/// <remarks>Documented by Dev02, 2008-04-14</remarks>
public void AddJob(EncodeJob job)
{
lock (jobQueue)
{
jobQueue.Enqueue(job);
Monitor.Pulse(jobQueue);
}
}
/// <summary>
/// Adds a encodeJob to the queue.
/// </summary>
/// <param name="encodeJob">The encodeJob.</param>
/// <remarks>Documented by Dev02, 2008-04-14</remarks>
public void AddJob(EncodeJob job)
{
lock (jobQueue)
{
jobQueue.Enqueue(job);
Monitor.Pulse(jobQueue);
}
}
/// <summary>
/// The encoding thread.
/// </summary>
/// <remarks>Documented by Dev02, 2008-04-14</remarks>
private void EncodeThread()
{
try
{
while (true)
{
EncodeJob job = null;
lock (jobQueue)
{
while (jobQueue.Count == 0 && !stopThread)
{
Monitor.Wait(jobQueue);
}
if (!stopThread)
{
job = jobQueue.Dequeue();
}
}
if (stopThread)
{
break;
}
if (job != null)
{
//begin encoding process
EncodeMedia(job);
job.OnEncodingFinished(new EventArgs());
}
}
}
catch (Exception exp)
{
if (!(exp is ThreadAbortException))
{
Trace.WriteLine("Encode Thread Exception: " + exp.ToString());
}
}
}
/// <summary>
/// Adds the media file to the actual card.
/// </summary>
/// <param name="cardIndex">Index of the card.</param>
/// <param name="path">The path.</param>
/// <param name="sentence">if set to <c>true</c> the file is the sentence of the actual card.</param>
/// <param name="side">The side.</param>
/// <param name="codec">The codec to encode. Null to disable.</param>
/// <returns></returns>
/// <remarks>Documented by Dev05, 2007-08-08</remarks>
public bool AddMediaFile(int cardIndex, string path, bool sentence, Side side, Codec codec, bool showWindow, bool minimizeWindow)
{
//add media object
ICard card = cards[cardIndex];
IMedia media = card.CreateMedia(EMedia.Audio, path, true, !sentence, sentence);
card.AddMedia(media, side);
if (codec != null && codec.CanEncode)
{
//create and add background encoding encodeJob
EncodeJob encodeJob = new EncodeJob(media, card, side, codec);
encodeJob.EncodingFinished += new EventHandler(encodeJob_EncodingFinished);
encodeJob.ShowWindow = showWindow;
encodeJob.MinimizeWindow = minimizeWindow;
backgroundEncoder.AddJob(encodeJob);
}
else
SaveDictionary();
return true;
}
/// <summary>
/// Encodes the media.
/// </summary>
/// <param name="encodeJob">The encodeJob.</param>
/// <remarks>Documented by Dev02, 2008-04-14</remarks>
private void EncodeMedia(EncodeJob job)
{
FileInfo tempFile = null;
FileInfo sourceFile = null;
try
{
//check for audio object
IAudio oldAudio = job.oldMedia as IAudio;
if (oldAudio == null)
return;
if (!job.codec.CanEncode)
{
Trace.WriteLine("Selected codec is not able to encode: " + job.codec.EncodeError);
return;
}
//prepare encoding
sourceFile = new FileInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + job.oldMedia.Extension));
//write to temp file
using (Stream mediaStream = job.oldMedia.Stream)
{
using (Stream output = new FileStream(sourceFile.FullName, FileMode.Create))
{
byte[] buffer = new byte[32 * 1024];
int read;
while ((read = mediaStream.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, read);
}
}
}
tempFile = new FileInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + job.codec.extension));
if (tempFile.Exists)
tempFile.Delete();
//start encoding
DateTime startencode = DateTime.Now;
Trace.WriteLine("Starting encoding of " + sourceFile.Name + " to " + tempFile.Name);
job.codec.Encode(sourceFile, tempFile, job.ShowWindow, job.MinimizeWindow);
Trace.WriteLine("Encoding finished, duration " + (DateTime.Now - startencode).ToString());
//generate and attach new media object
tempFile.Refresh();
if (tempFile.Exists)
{
job.newMedia = job.card.CreateMedia(oldAudio.MediaType, tempFile.FullName,
oldAudio.Active.HasValue ? oldAudio.Active.Value : false,
oldAudio.Default.HasValue ? oldAudio.Default.Value : false,
oldAudio.Example.HasValue ? oldAudio.Example.Value : false);
job.card.RemoveMedia(job.oldMedia);
job.card.AddMedia(job.newMedia, job.side);
}
else
{
Trace.WriteLine("Encoded audio file missing: " + tempFile.FullName);
}
}
catch (Exception exp)
{
job.exception = exp;
}
finally
{
if (sourceFile != null && sourceFile.Exists)
sourceFile.Delete();
if (tempFile != null && tempFile.Exists)
tempFile.Delete();
}
}
/// <summary>
/// Encodes the media.
/// </summary>
/// <param name="encodeJob">The encodeJob.</param>
/// <remarks>Documented by Dev02, 2008-04-14</remarks>
private void EncodeMedia(EncodeJob job)
{
FileInfo tempFile = null;
FileInfo sourceFile = null;
try
{
//check for audio object
IAudio oldAudio = job.oldMedia as IAudio;
if (oldAudio == null)
{
return;
}
if (!job.codec.CanEncode)
{
Trace.WriteLine("Selected codec is not able to encode: " + job.codec.EncodeError);
return;
}
//prepare encoding
sourceFile = new FileInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + job.oldMedia.Extension));
//write to temp file
using (Stream mediaStream = job.oldMedia.Stream)
{
using (Stream output = new FileStream(sourceFile.FullName, FileMode.Create))
{
byte[] buffer = new byte[32 * 1024];
int read;
while ((read = mediaStream.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, read);
}
}
}
tempFile = new FileInfo(Path.Combine(Path.GetTempPath(), Path.GetRandomFileName() + job.codec.extension));
if (tempFile.Exists)
{
tempFile.Delete();
}
//start encoding
DateTime startencode = DateTime.Now;
Trace.WriteLine("Starting encoding of " + sourceFile.Name + " to " + tempFile.Name);
job.codec.Encode(sourceFile, tempFile, job.ShowWindow, job.MinimizeWindow);
Trace.WriteLine("Encoding finished, duration " + (DateTime.Now - startencode).ToString());
//generate and attach new media object
tempFile.Refresh();
if (tempFile.Exists)
{
job.newMedia = job.card.CreateMedia(oldAudio.MediaType, tempFile.FullName,
oldAudio.Active.HasValue ? oldAudio.Active.Value : false,
oldAudio.Default.HasValue ? oldAudio.Default.Value : false,
oldAudio.Example.HasValue ? oldAudio.Example.Value : false);
job.card.RemoveMedia(job.oldMedia);
job.card.AddMedia(job.newMedia, job.side);
}
else
{
Trace.WriteLine("Encoded audio file missing: " + tempFile.FullName);
}
}
catch (Exception exp)
{
job.exception = exp;
}
finally
{
if (sourceFile != null && sourceFile.Exists)
{
sourceFile.Delete();
}
if (tempFile != null && tempFile.Exists)
{
tempFile.Delete();
}
}
}
