private MAudioChannel CreateChannelControl(int i)
{
var channelControl = new MAudioChannel();
//channelControl.ColorLevelBack = ColorLevelBack;
//channelControl.ColorLevelOrg = ColorLevelOrg;
//channelControl.ColorLevelHi = ColorLevelHi;
//channelControl.ColorLevelMid = ColorLevelMid;
//channelControl.ColorLevelLo = ColorLevelLo;
//channelControl.ColorOutline = ColorOutline;
//channelControl.ColorGainSlider = ColorGainSlider;
//channelControl.Risk = 6;
channelControl.GainChanged += new RoutedEventHandler(MAudioControl_OnGainChanged);
channelControl.ChannelEnabledChanged += new RoutedEventHandler(MAudioMeter_OnEnableChanged);
double dblGain = 0;
bool bMute = true;
try
{
// The channels could be changed in this moment.
dblGain = GetTrackGain(m_pMAudioTrack, i);
bMute = GetTrackMute(m_pMAudioTrack, i);
}
catch (System.Exception)
{
}
channelControl.Gain = dblGain;
channelControl.ChannelEnabled = !bMute;
return(channelControl);
}
private void timerUpdate_Tick(object sender, EventArgs e)
{
if (m_pMAudio == null)
{
return;
}
// Check number of tracks
int nTracks = GetAudioTracksCount();
if (nTracks <= 0)
{
this.IsEnabled = false;
//m_pMAudioTrack = null;
return;
}
this.IsEnabled = true;
if (comboBoxTrack.Items.Count != nTracks)
{
m_nCurrentTrack = Math.Min(nTracks - 1, m_nCurrentTrack);
FillTracks();
UpdateControl(m_nCurrentTrack);
}
if (m_pMAudioTrack != null)
{
try
{
// TODO: use loudOut.nValidChannels
//int nChIn, nChOut, nChOutIdx;
//m_pMAudioTrack.TrackChannelsGet(out nChIn, out nChOutIdx, out nChOut);
int nChOut = GetTrackOutputChannels(m_pMAudioTrack);
if (nChOut != channelPanel.Children.Count)
{
UpdateControl(comboBoxTrack.SelectedIndex);
}
M_AUDIO_TRACK_LOUDNESS loudOrg;
M_AUDIO_TRACK_LOUDNESS loudOut;
GetTrackLoudness(m_pMAudioTrack, out loudOrg, out loudOut);
// Get number of channels
//int nChIn, nChOut, nChOutIdx;
//m_pMAudioTrack.TrackChannelsGet(out nChIn, out nChOutIdx, out nChOut);
//int nChOut=GetTrackOutputChannels(m_pMAudioTrack);
//if (nChOut != arrChannels.Length)
//{
// UpdateControl(comboBoxTrack.SelectedIndex);
//}
for (int i = 0; i < channelPanel.Children.Count; i++)
{
MAudioChannel channelControl = (MAudioChannel)channelPanel.Children[i];
double gain = GetTrackGain(m_pMAudioTrack, i);
if (gain != channelControl.Gain)
{
channelControl.Gain = gain;
}
if (i >= loudOut.nValidChannels)
{
channelControl.Level = -60;
channelControl.LevelOrg = -60;
channelControl.Refresh();
//arrChannels[i].Invalidate();
channelControl.IsEnabled = false;
}
else
{
channelControl.Level = loudOut.arrVUMeter[i];
channelControl.LevelOrg = loudOrg.arrVUMeter[i]; // Original
channelControl.Refresh();
//arrChannels[i].Invalidate();
channelControl.IsEnabled = true;
}
}
}
catch (System.Exception ex)
{
// If number of tracks changed or e.g. playlist loaded -> the current track may be not valid
UpdateControl(comboBoxTrack.SelectedIndex);
}
}
}
