/// <summary>
/// Fires the <see cref="AudioDataRemoved"/> event
/// </summary>
/// <param name="source">The source, that is the <see cref="AudioMediaData"/> from which audio data was removed</param>
/// <param name="fromPoint">The point at which audio data was removed</param>
/// <param name="duration">The duration of the removed audio data</param>
protected void NotifyAudioDataRemoved(AudioMediaData source, Time fromPoint, Time duration)
{
EventHandler <events.media.data.audio.AudioDataRemovedEventArgs> d = AudioDataRemoved;
if (d != null)
{
d(this, new urakawa.events.media.data.audio.AudioDataRemovedEventArgs(source, fromPoint, duration));
}
}
/// <summary>
/// Fires the <see cref="MediaDataChanged"/> event
/// </summary>
/// <param name="source">
/// The source, that is the <see cref="ManagedAudioMedia"/> whoose <see cref="audio.AudioMediaData"/> has changed
/// </param>
/// <param name="newData">The new <see cref="audio.AudioMediaData"/></param>
/// <param name="prevData">The <see cref="audio.AudioMediaData"/> prior to the change</param>
protected void NotifyMediaDataChanged(ManagedAudioMedia source, AudioMediaData newData, AudioMediaData prevData)
{
EventHandler <MediaDataChangedEventArgs> d = MediaDataChanged;
if (d != null)
{
d(this, new MediaDataChangedEventArgs(source, newData, prevData));
}
}
/// <summary>
/// Fires the <see cref="PCMFormatChanged"/> event
/// </summary>
/// <param name="source">The source, that is the <see cref="AudioMediaData"/> whoose <see cref="PCMFormatInfo"/> has changed</param>
/// <param name="newFormat">The new value</param>
/// <param name="prevFormat">The value prior to the change</param>
protected void NotifyPCMFormatChanged(AudioMediaData source, PCMFormatInfo newFormat, PCMFormatInfo prevFormat)
{
EventHandler <events.media.data.audio.PCMFormatChangedEventArgs> d = PCMFormatChanged;
if (d != null)
{
d(this, new urakawa.events.media.data.audio.PCMFormatChangedEventArgs(source, newFormat, prevFormat));
}
}
/// <summary>
/// Gets a copy of the <see cref="Media"/>
/// </summary>
/// <returns>The copy</returns>
protected override Media CopyProtected()
{
ManagedAudioMedia cp = (ManagedAudioMedia)base.CopyProtected();
if (HasActualAudioMediaData)
{
cp.AudioMediaData = AudioMediaData.Copy();
}
return(cp);
}
protected override MediaData ExportProtected(Presentation destPres)
{
if (OriginalRelativePath != null && DataProvider != null)
{
AudioMediaData expImgData = (AudioMediaData)destPres.MediaDataFactory.Create(GetType());
expImgData.InitializeAudio(m_DataProvider.Export(destPres), OriginalRelativePath);
return(expImgData);
}
return(null);
}
/// <summary>
/// Exports the external audio media to a destination <see cref="Presentation"/>
/// </summary>
/// <param name="destPres">The destination presentation</param>
/// <returns>The exported external audio media</returns>
protected override Media ExportProtected(Presentation destPres)
{
ManagedAudioMedia exported = (ManagedAudioMedia)base.ExportProtected(destPres);
if (HasActualAudioMediaData)
{
exported.AudioMediaData = AudioMediaData.Export(destPres) as AudioMediaData;
}
return(exported);
}
/// <summary>
/// Splits <c>this</c> at a given <see cref="Time"/>
/// </summary>
/// <param name="splitPoint">The <see cref="Time"/> at which to split -
/// must be between clip begin and clip end <see cref="Time"/>s</param>
/// <returns>
/// A newly created <see cref="AbstractAudioMedia"/> containing the audio after <paramref localName="splitPoint"/>,
/// <c>this</c> retains the audio before <paramref localName="splitPoint"/>.
/// </returns>
/// <exception cref="exception.MethodParameterIsNullException">
/// Thrown when <paramref name="splitPoint"/> is <c>null</c>
/// </exception>
/// <exception cref="exception.MethodParameterIsOutOfBoundsException">
/// Thrown when <paramref name="splitPoint"/> is not between clip begin and clip end
/// </exception>
protected override AbstractAudioMedia SplitProtected(Time splitPoint)
{
ManagedAudioMedia secondPartMAM = Presentation.MediaFactory.Create <ManagedAudioMedia>();
if (HasActualAudioMediaData)
{
AudioMediaData secondPartData = AudioMediaData.Split(splitPoint);
secondPartMAM.AudioMediaData = secondPartData;
}
return(secondPartMAM);
}
///// <summary>
///// Part of technical solution to make copy method return correct type.
///// In implementing classes this method should return a copy of the class instances
///// </summary>
///// <returns>The copy</returns>
//protected abstract AudioMediaData AudioMediaDataCopy();
protected override MediaData CopyProtected()
{
if (OriginalRelativePath != null && DataProvider != null)
{
AudioMediaData copyVideoMediaData = (AudioMediaData)Presentation.MediaDataFactory.Create(GetType());
// We do not Copy the FileDataProvider,
// it is shared amongst AudioMediaData instances without concurrent access problems
// because the file stream is read-only by design.
copyVideoMediaData.InitializeAudio(m_DataProvider, OriginalRelativePath);
return(copyVideoMediaData);
}
return(null);
}
/// <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="AudioMediaData"/> 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 virtual AudioMediaData Split(Time splitPoint)
{
if (OriginalRelativePath != null && DataProvider != null)
{
throw new NotImplementedException();
}
//throw new NotImplementedException("AudioMediaData.Split() should never be called ! (WavAudioMediaData instead)");
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(
"The split point can not be beyond the end of the AudioMediaData");
}
MediaData md = Presentation.MediaDataFactory.Create(GetType());
if (!(md is AudioMediaData))
{
throw new exception.FactoryCannotCreateTypeException(String.Format(
"The MediaDataFactory can not create a AudioMediaData matching Xuk QName {1}:{0}",
GetXukName(), GetXukNamespace()));
}
AudioMediaData secondPartAMD = (AudioMediaData)md;
Time spDur = AudioDuration.GetDifference(splitPoint);
Stream secondPartAudioStream = OpenPcmInputStream(splitPoint);
try
{
secondPartAMD.AppendPcmData(secondPartAudioStream, spDur);
}
finally
{
secondPartAudioStream.Close();
}
RemovePcmData(splitPoint);
return(secondPartAMD);
}
public void ValueEquals_MediaData()
{
AudioMediaData data1 = mPresentation.MediaDataFactory.Create <codec.WavAudioMediaData>();
AudioMediaData data2 = mPresentation.MediaDataFactory.Create <codec.WavAudioMediaData>();
mManagedAudioMedia1.AudioMediaData = data1;
mManagedAudioMedia2.AudioMediaData = data1;
Assert.IsTrue(mManagedAudioMedia1.ValueEquals(mManagedAudioMedia2),
"two medias with the same data should be equal");
mManagedAudioMedia2.AudioMediaData = data2;
Assert.IsTrue(data1.ValueEquals(data2), "[Pre-Condition] media datas should be equal");
Assert.IsTrue(mManagedAudioMedia1.ValueEquals(mManagedAudioMedia2),
"two medias with equal data should be equal");
data2.Name = "foo";
Assert.IsFalse(data1.ValueEquals(data2), "[Pre-Condition] media datas shouldn't be equal");
Assert.IsFalse(data1.ValueEquals(data2) && !mManagedAudioMedia1.ValueEquals(mManagedAudioMedia2),
"two medias with different data shouldn't be equal");
}
/// <summary>
/// Merges <c>this</c> with a given other <see cref="AudioMediaData"/>,
/// appending the audio data of the other <see cref="AudioMediaData"/> to <c>this</c>,
/// leaving the other <see cref="AudioMediaData"/> without audio data
/// </summary>
/// <param name="other">The given other AudioMediaData</param>
/// <exception cref="exception.MethodParameterIsNullException">
/// Thrown when <paramref name="other"/> is <c>null</c>
/// </exception>
/// <exception cref="exception.InvalidDataFormatException">
/// Thrown when the PCM format of <c>this</c> is not compatible with that of <paramref name="other"/>
/// </exception>
public virtual void MergeWith(AudioMediaData other)
{
if (OriginalRelativePath != null && DataProvider != null)
{
throw new NotImplementedException();
}
//throw new NotImplementedException("AudioMediaData.MergeWith() should never be called ! (WavAudioMediaData instead)");
if (other == null)
{
throw new exception.MethodParameterIsNullException("Can not merge with a null AudioMediaData");
}
if (other == this)
{
throw new exception.OperationNotValidException("Can not merge a AudioMediaData with itself");
}
if (!PCMFormat.Data.IsCompatibleWith(other.PCMFormat.Data))
{
throw new exception.InvalidDataFormatException(
"Can not merge this with a AudioMediaData with incompatible audio data");
}
#if DEBUG
Debugger.Break();
#endif // DEBUG
Stream otherData = other.OpenPcmInputStream();
try
{
AppendPcmData(otherData, other.AudioDuration);
}
finally
{
otherData.Close();
}
other.RemovePcmData(Time.Zero);
}
private void Reset()
{
mAudioMediaData = null;
}
public override bool ValueEquals(WithPresentation other)
{
if (!base.ValueEquals(other))
{
return(false);
}
AudioMediaData otherz = other as AudioMediaData;
if (otherz == null)
{
return(false);
}
if (OriginalRelativePath != null && DataProvider != null)
{
if (OriginalRelativePath != otherz.OriginalRelativePath)
{
//System.Diagnostics.Debug.Fail("! ValueEquals !");
return(false);
}
if (!DataProvider.ValueEquals(otherz.DataProvider))
{
//System.Diagnostics.Debug.Fail("! ValueEquals !");
return(false);
}
return(true);
}
if (!PCMFormat.ValueEquals(otherz.PCMFormat))
{
//System.Diagnostics.Debug.Fail("! ValueEquals !");
return(false);
}
if (PCMFormat.Data.ConvertTimeToBytes(AudioDuration.AsLocalUnits)
!= otherz.PCMFormat.Data.ConvertTimeToBytes(otherz.AudioDuration.AsLocalUnits))
{
//System.Diagnostics.Debug.Fail("! ValueEquals !");
return(false);
}
if (HasActualPcmData != otherz.HasActualPcmData)
{
return(false);
}
if (HasActualPcmData)
{
Stream thisData = OpenPcmInputStream();
try
{
Stream otherdata = otherz.OpenPcmInputStream();
try
{
if (!AudioLibPCMFormat.CompareStreamData(thisData, otherdata, (int)thisData.Length))
{
//System.Diagnostics.Debug.Fail("! ValueEquals !");
return(false);
}
}
finally
{
otherdata.Close();
}
}
finally
{
thisData.Close();
}
}
return(true);
}
