private void updateTotalDuration(Command cmd, bool done)
{
if (cmd is ManagedAudioMediaInsertDataCommand)
{
var command = (ManagedAudioMediaInsertDataCommand)cmd;
long dur = command.ManagedAudioMediaSource.Duration.AsLocalUnits;
if (done)
{
TotalDocumentAudioDurationInLocalUnits += dur;
TotalSessionAudioDurationInLocalUnits += dur;
}
else
{
TotalDocumentAudioDurationInLocalUnits -= dur;
TotalSessionAudioDurationInLocalUnits -= dur;
}
}
else if (cmd is TreeNodeSetManagedAudioMediaCommand)
{
var command = (TreeNodeSetManagedAudioMediaCommand)cmd;
long dur = command.ManagedAudioMedia.Duration.AsLocalUnits;
if (done)
{
TotalDocumentAudioDurationInLocalUnits += dur;
TotalSessionAudioDurationInLocalUnits += dur;
}
else
{
TotalDocumentAudioDurationInLocalUnits -= dur;
TotalSessionAudioDurationInLocalUnits -= dur;
}
}
else if (cmd is TreeNodeAudioStreamDeleteCommand)
{
var command = (TreeNodeAudioStreamDeleteCommand)cmd;
Time timeBegin = command.SelectionData.m_LocalStreamLeftMark == -1
? Time.Zero
: new Time(command.OriginalManagedAudioMedia.AudioMediaData.PCMFormat.Data.ConvertBytesToTime(command.SelectionData.m_LocalStreamLeftMark));
Time timeEnd = command.SelectionData.m_LocalStreamRightMark == -1
? command.OriginalManagedAudioMedia.AudioMediaData.AudioDuration
: new Time(command.OriginalManagedAudioMedia.AudioMediaData.PCMFormat.Data.ConvertBytesToTime(command.SelectionData.m_LocalStreamRightMark));
Time diff = timeEnd.GetDifference(timeBegin);
ManagedAudioMedia manMedia = command.TreeNode.GetManagedAudioMedia();
if (manMedia == null)
{
DebugFix.Assert(done);
DebugFix.Assert(diff.IsEqualTo(command.OriginalManagedAudioMedia.Duration));
DebugFix.Assert(
//command.OriginalManagedAudioMedia.AudioMediaData.PCMFormat.Data.
AudioLibPCMFormat.TimesAreEqualWithMillisecondsTolerance(
diff.AsLocalUnits,
command.OriginalManagedAudioMedia.Duration.AsLocalUnits));
}
long dur = diff.AsLocalUnits;
if (done)
{
TotalDocumentAudioDurationInLocalUnits -= dur;
TotalSessionAudioDurationInLocalUnits -= dur;
}
else
{
TotalDocumentAudioDurationInLocalUnits += dur;
TotalSessionAudioDurationInLocalUnits += dur;
}
}
else if (cmd is TreeNodeRemoveCommand)
{
var command = (TreeNodeRemoveCommand)cmd;
Time duration = command.TreeNode.GetDurationOfManagedAudioMediaFlattened();
long dur = duration == null ? 0 : duration.AsLocalUnits;
if (!done)
{
TotalDocumentAudioDurationInLocalUnits += dur;
TotalSessionAudioDurationInLocalUnits += dur;
}
else
{
TotalDocumentAudioDurationInLocalUnits -= dur;
TotalSessionAudioDurationInLocalUnits -= dur;
}
}
else if (cmd is TreeNodeInsertCommand)
{
var command = (TreeNodeInsertCommand)cmd;
Time duration = command.TreeNode.GetDurationOfManagedAudioMediaFlattened();
long dur = duration == null ? 0 : duration.AsLocalUnits;
if (done)
{
TotalDocumentAudioDurationInLocalUnits += dur;
TotalSessionAudioDurationInLocalUnits += dur;
}
else
{
TotalDocumentAudioDurationInLocalUnits -= dur;
TotalSessionAudioDurationInLocalUnits -= dur;
}
}
}
/// <summary>
/// Splits the audio media data at a given split point in time,
/// <c>this</c> retaining the audio before the split point,
/// creating a new <see cref="WavAudioMediaData"/> containing the audio after the split point
/// </summary>
/// <param name="splitPoint">The given split point</param>
/// <returns>A audio media data containing the audio after the split point</returns>
/// <exception cref="exception.MethodParameterIsNullException">
/// Thrown when the given split point is <c>null</c>
/// </exception>
/// <exception cref="exception.MethodParameterIsOutOfBoundsException">
/// Thrown when the given split point is negative or is beyond the duration of <c>this</c>
/// </exception>
public override AudioMediaData Split(Time splitPoint)
{
if (splitPoint == null)
{
throw new exception.MethodParameterIsNullException(
"The split point can not be null");
}
if (splitPoint.IsNegative)
{
throw new exception.MethodParameterIsOutOfBoundsException(
"The split point can not be negative");
}
if (splitPoint.IsGreaterThan(AudioDuration))
{
throw new exception.MethodParameterIsOutOfBoundsException(
String.Format(
"Split point {0} is beyond the WavAudioMediaData end - audio length is {1}",
splitPoint, AudioDuration));
}
WavAudioMediaData oWAMD =
Presentation.MediaDataFactory.Create <WavAudioMediaData>();
if (oWAMD == null)
{
throw new exception.FactoryCannotCreateTypeException(String.Format(
"Thrown if the MediaDataFactory can not create a WacAudioMediaData matching Xuk QName {1}:{0}",
GetXukName(), GetXukNamespace()));
}
oWAMD.PCMFormat = PCMFormat.Copy();
Time originalDuration = AudioDuration;
Time newClipDuration = AudioDuration.GetDifference(splitPoint);
Time curClip_Begin = Time.Zero;
List <WavClip> clips = new List <WavClip>(mWavClips);
mWavClips.Clear();
oWAMD.mWavClips.Clear();
for (int i = 0; i < clips.Count; i++)
{
WavClip curClip = clips[i];
Time savedCurClipDuration = curClip.Duration;
Time curClip_End = new Time(curClip_Begin.AsTimeSpanTicks + curClip.Duration.AsTimeSpanTicks, true);
if (splitPoint.IsLessThanOrEqualTo(curClip_Begin))
{
oWAMD.mWavClips.Add(curClip);
}
else if (splitPoint.IsLessThan(curClip_End))
{
WavClip secondPartClip = new WavClip(
curClip.DataProvider,
curClip.ClipBegin,
curClip.IsClipEndTiedToEOM ? null : curClip.ClipEnd);
curClip.ClipEnd = new Time(curClip.ClipBegin.AsTimeSpanTicks + (splitPoint.AsTimeSpanTicks - curClip_Begin.AsTimeSpanTicks), true);
secondPartClip.ClipBegin = curClip.ClipEnd.Copy();
mWavClips.Add(curClip);
oWAMD.mWavClips.Add(secondPartClip);
}
else
{
mWavClips.Add(curClip);
}
curClip_Begin.Add(savedCurClipDuration);
}
NotifyAudioDataRemoved(this, splitPoint, newClipDuration);
oWAMD.NotifyAudioDataInserted(oWAMD, Time.Zero, newClipDuration);
#if DEBUG
DebugFix.Assert(AudioLibPCMFormat.TimesAreEqualWithMillisecondsTolerance(
newClipDuration.AsLocalUnits,
oWAMD.AudioDuration.AsLocalUnits));
DebugFix.Assert(newClipDuration.IsEqualTo(oWAMD.AudioDuration));
DebugFix.Assert(AudioLibPCMFormat.TimesAreEqualWithMillisecondsTolerance(
this.AudioDuration.AsLocalUnits + oWAMD.AudioDuration.AsLocalUnits,
originalDuration.AsLocalUnits));
Time copy = this.AudioDuration.Copy();
copy.Add(oWAMD.AudioDuration);
DebugFix.Assert(originalDuration.IsEqualTo(copy));
#endif //DEBUG
return(oWAMD);
}