public PreviewForm(ArchiveTranscoderJobSegment segment, String sqlHost, String dbName)
{
InitializeComponent();
this.sqlHost = sqlHost;
this.dbName = dbName;
this.segment = segment;
this.textBoxStartTime.Text = segment.StartTime;
this.textBoxDuration.Text = "300";
useSlideStream = false;
Debug.WriteLine("WMP Version: " + this.axWindowsMediaPlayer1.versionInfo);
if (segment.VideoDescriptor != null)
{
this.videoStreamGroup = new StreamGroup(segment.VideoDescriptor);
this.labelVideoSource.Text = videoStreamGroup.ToString();
}
else
{
if (Utility.SegmentFlagIsSet(segment, SegmentFlags.SlidesReplaceVideo))
{
this.videoStreamGroup = new StreamGroup(segment.PresentationDescriptor.PresentationCname, "Presentation Slides", "dynamicVideo");
useSlideStream = true;
}
else
{
Debug.Assert(false);
}
this.labelVideoSource.Text = "[Presentation] " + videoStreamGroup.Cname;
}
bool itemChecked = false;
closing = false;
//We prefer to default to an audio cname that matches the video cname if possible.
for (int i = 0; i < segment.AudioDescriptor.Length; i++)
{
if (segment.AudioDescriptor[i].AudioCname == videoStreamGroup.Cname)
{
this.checkedListBoxAudioSources.Items.Add(new StreamGroup(segment.AudioDescriptor[i]), CheckState.Checked);
itemChecked = true;
}
else
{
this.checkedListBoxAudioSources.Items.Add(new StreamGroup(segment.AudioDescriptor[i]), CheckState.Unchecked);
}
}
//..otherwise just use the first one.
if (!itemChecked)
{
if (this.checkedListBoxAudioSources.Items.Count > 0)
{
this.checkedListBoxAudioSources.SetItemCheckState(0, CheckState.Checked);
}
}
this.setToolTips();
}
/// <summary>
/// Wrote a custom 'contains' method here because it may contain a different object with
/// the same identifiers if it was preloaded.
/// </summary>
/// <param name="sg_target"></param>
/// <returns></returns>
private bool listBoxAudioSourcesContains(StreamGroup sg_target)
{
foreach (StreamGroup sg in listBoxAudioSources.Items)
{
if ((sg.Cname == sg_target.Cname) &&
(sg.Name == sg_target.Name))
{
return(true);
}
}
return(false);
}
/// <summary>
/// If a presentation source is specified, Check to see if decks exist and are matched. If either is not
/// the case, prompt the user to do so now.
/// </summary>
/// <returns></returns>
private bool validateDecks(object sender, System.EventArgs e)
{
if (this.listBoxPresentationSource.Items.Count == 1)
{
if (slideDecks == null)
{
StreamGroup sg = (StreamGroup)this.listBoxPresentationSource.Items[0];
if ((sg.Format == PresenterWireFormatType.CPNav) ||
(sg.Format == PresenterWireFormatType.CPCapability))
{
DialogResult dr = MessageBox.Show(this, "You have specified a presentation source, but no slide decks. " +
"If no slide decks are specified, Archive Transcoder may not be able to build slide images." +
"\r\n\r\nDo you want to specify slide decks now?", "Do you want to specify slide decks?",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.Yes)
{
this.buttonDeckMatcher_Click(sender, e);
return(false);
}
}
}
else
{
bool allmatched = true;
for (int i = 0; i < slideDecks.Length; i++)
{
if (!slideDecks[i].Matched)
{
allmatched = false;
break;
}
}
if (!allmatched)
{
DialogResult dr = MessageBox.Show(this, "The presentation data contains slide decks which " +
"have not been matched to files. " +
"If the decks are not matched, Archive Transcoder may not be able to build slide images." +
"\r\n\r\nDo you want to match the slide decks now?", "Do you want to specify slide decks?",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.Yes)
{
this.buttonDeckMatcher_Click(sender, e);
return(false);
}
}
}
}
return(true);
}
private void buttonOk_Click(object sender, EventArgs e)
{
if (this.treeView1.SelectedNode != null)
{
TreeNode tn = this.treeView1.SelectedNode;
if ((tn.Tag != null) && (tn.Tag is StreamGroup))
{
StreamGroup sg = (StreamGroup)tn.Tag;
if (sg.Payload == "dynamicVideo")
{
this.videoStreamGroup = sg;
this.DialogResult = DialogResult.OK;
this.Close();
return;
}
}
}
MessageBox.Show("Please select a video stream and try again.", "Error: A Video Stream Type Was Not Selected", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
private void treeView1_DoubleClick(object sender, EventArgs e)
{
if (sender is TreeView)
{
TreeView tv = (TreeView)sender;
TreeNode tn = tv.SelectedNode;
if ((tn != null) && (tn.Tag is StreamGroup))
{
Participant p = (Participant)tn.Parent.Tag;
Conference c = (Conference)tn.Parent.Parent.Tag;
StreamGroup s = (StreamGroup)tn.Tag;
if (s.Payload == "dynamicVideo")
{
this.videoStreamGroup = s;
this.DialogResult = DialogResult.OK;
this.Close();
return;
}
}
}
}
/// <summary>
/// Add this stream to the appropriate group, or create a new group as necessary.
/// </summary>
/// <param name="stream"></param>
public void AddStream(Stream stream)
{
if (stream.Payload == "dynamicAudio")
{
/// if stream name matches an existing group, just add it
/// otherwise make a new group.
bool matchfound = false;
foreach (StreamGroup sg in audioGroups)
{
if (sg.IsInAudioGroup(stream))
{
sg.AddStream(stream);
matchfound = true;
break;
}
}
if (!matchfound)
{
StreamGroup newsg = new StreamGroup(this.cname, "", stream.Payload);
newsg.AddStream(stream);
audioGroups.Add(newsg);
}
}
else if (stream.Payload == "dynamicVideo")
{
/// if stream name matches an existing group, just add it
/// otherwise make a new group.
bool matchfound = false;
foreach (StreamGroup sg in videoGroups)
{
if (sg.IsInVideoGroup(stream))
{
sg.AddStream(stream);
matchfound = true;
break;
}
}
if (!matchfound)
{
StreamGroup newsg = new StreamGroup(this.cname, "", stream.Payload);
newsg.AddStream(stream);
videoGroups.Add(newsg);
}
}
else if ((stream.Payload == "dynamicPresentation") || //CP running standalone uses dynamicPresentation
(stream.Payload == "RTDocument")) //CP as a capability or CXP Presenter uses RTDocument
{
PresenterWireFormatType wireFormat;
PresenterRoleType role;
string presenterName;
if (PresentationMgr.GetPresentationType(stream, out wireFormat, out role, out presenterName))
{
///PRI2: We need a better solution here: We would like to filter out all non-instructors, but
///we can't afford to look at every frame.
if ((wireFormat == PresenterWireFormatType.CPNav) ||
(wireFormat == PresenterWireFormatType.CPCapability) ||
(wireFormat == PresenterWireFormatType.RTDocument) ||
(wireFormat == PresenterWireFormatType.CP3))
// && (role == PresenterRoleType.Instructor))
{
//add to existing group if there is a match
bool matchfound = false;
foreach (StreamGroup sg in presGroups)
{
if (sg.IsInPresGroup(stream, wireFormat, role))
{
sg.AddStream(stream);
matchfound = true;
break;
}
}
//if no match, create a new group
if (!matchfound)
{
StreamGroup newsg = new StreamGroup(this.cname, "", stream.Payload);
newsg.AddStream(stream, wireFormat, role);
presGroups.Add(newsg);
}
}
}
}
}
private void treeViewSources_DoubleClick(object sender, System.EventArgs e)
{
if (sender is TreeView)
{
TreeView tv = (TreeView)sender;
TreeNode tn = tv.SelectedNode;
if ((tn != null) && (tn.Tag is StreamGroup)) //<--lame
{
Participant p = (Participant)tn.Parent.Tag;
Conference c = (Conference)tn.Parent.Parent.Tag;
StreamGroup s = (StreamGroup)tn.Tag;
//changed conference.. reset some things:
if (!listBoxConference.Items.Contains(c.Start.ToString() + " - " + c.Description))
{
listBoxConference.Items.Clear();
listBoxConference.Items.Add(c.Start.ToString() + " - " + c.Description);
listBoxVideoSource.Items.Clear();
listBoxAudioSources.Items.Clear();
listBoxPresentationSource.Items.Clear();
//default time range is the entire conference
//textBoxStart.Text = c.Start.ToString(Constants.dtformat);
textBoxStart.Text = Utility.GetLocalizedDateTimeString(c.Start, Constants.timeformat);
//textBoxEnd.Text = c.End.ToString(Constants.dtformat);
textBoxEnd.Text = Utility.GetLocalizedDateTimeString(c.End, Constants.timeformat);
this.buttonRemoveAudio.Enabled = false;
}
if (s.Payload == "dynamicVideo")
{
if (!this.checkBoxSlidesReplaceVideo.Checked)
{
this.listBoxVideoSource.Items.Clear();
this.listBoxVideoSource.Items.Add(s);
}
}
else if (s.Payload == "dynamicAudio")
{
if (!listBoxAudioSourcesContains(s))
{
this.listBoxAudioSources.Items.Add(s);
}
}
else if ((s.Payload == "dynamicPresentation") || (s.Payload == "RTDocument"))
{
this.listBoxPresentationSource.Items.Clear();
this.listBoxPresentationSource.Items.Add(s);
this.buttonDeckMatcher.Enabled = true;
this.buttonRemovePresentation.Enabled = true;
this.checkBoxSlidesReplaceVideo.Enabled = true;
}
if ((this.listBoxAudioSources.Items.Count > 0) && (this.listBoxVideoSource.Items.Count > 0))
{
this.buttonPreview.Enabled = true;
this.buttonOk.Enabled = true;
}
}
}
}
