public void TestDataReferenceRelationshipsAreClonedCorrectly()
{
using var stream = CreatePresentationDocumentWithDataReference();
using var ppt = PresentationDocument.Open(stream, true);
Assert.NotNull(ppt.PresentationPart);
Assert.NotNull(ppt.PresentationPart.Presentation);
Assert.Single(ppt.PresentationPart.SlideParts);
var slidePart = ppt.PresentationPart.SlideParts.First();
Assert.NotEmpty(slidePart.DataPartReferenceRelationships);
var clonedStream = new MemoryStream();
ppt.Clone(clonedStream);
using var clonedPpt = PresentationDocument.Open(clonedStream, false);
Assert.NotNull(clonedPpt.PresentationPart);
Assert.NotNull(clonedPpt.PresentationPart.Presentation);
Assert.Single(clonedPpt.PresentationPart.SlideParts);
var clonedSlidePart = clonedPpt.PresentationPart.SlideParts.First();
Assert.NotEmpty(clonedSlidePart.DataPartReferenceRelationships);
// Additional test for related 1issue #949
// Verify that the id requested in AddDataPartReferenceRelationship was used.
var mediaDataPart = new MediaDataPart(ppt.InternalOpenXmlPackage, MediaDataPartType.Mp3);
MediaReferenceRelationship mrr = slidePart.AddMediaReferenceRelationship(mediaDataPart, "rId4");
Assert.Equal("rId4", mrr.Id);
}
private void ReplaceSlideAudioAnnotationForRelationship(PresentationDocument presentationDocument, string slideRelationshipId, byte[] audioFile)
{
var presentationPart = presentationDocument.PresentationPart;
SlidePart slidePart = (SlidePart)presentationPart.GetPartById(slideRelationshipId);
MediaDataPart mediaPart = (MediaDataPart)slidePart.DataPartReferenceRelationships
.FirstOrDefault(dpr => (dpr.DataPart?.ContentType == "audio/x-wav" || dpr.DataPart?.ContentType == "audio/mp4") &&
dpr.RelationshipType.EndsWith("/relationships/media"))?.DataPart;
if (mediaPart != null)
{
this._logger.Verbose($"Replacing contents of '{mediaPart.Uri}' media part.");
byte[] encodedAAC = new byte[0];
if (mediaPart.ContentType == "audio/mp4")
{
this._logger.Verbose("Converting replacement audio from Wav to Mp4 AAC.");
encodedAAC = _audioEncoder.FromWav(audioFile);
}
using (var mpStream = mediaPart.GetStream())
using (var writer = new BinaryWriter(mpStream))
{
if (encodedAAC.LongLength > 0)
{
writer.Write(encodedAAC);
}
else
{
writer.Write(audioFile);
}
}
this._logger.Verbose("Updating slide duration to match new audio.");
using (var memStream = new MemoryStream(audioFile))
using (IWaveSource wavSource = new CSCore.Codecs.WAV.WaveFileReader(memStream))
{
TimeSpan totalTime = wavSource.GetLength();
this._logger.Verbose($"New audio length: {totalTime.TotalMilliseconds}ms.");
UpdateSlideAdvanceAfterTime(slidePart, totalTime.TotalMilliseconds);
}
}
else
{
this._logger.Warning("Current slide has no media in it.");
this._logger.Verbose("Could not find any parts with '/relationships/media' type and 'audio/x-wav' or 'audio/mp4' content types.");
}
}
private static MemoryStream CreatePresentationDocumentWithDataReference()
{
var stream = new MemoryStream();
using (var ppt = PresentationDocument.Create(stream, PresentationDocumentType.Presentation))
{
var mainPart = ppt.AddPresentationPart();
var slide = new Slide();
var slidePart = mainPart.AddNewPart <SlidePart>();
var dataPart = new MediaDataPart(ppt.InternalOpenXmlPackage, MediaDataPartType.Mp3);
var dataPartReferenceRelationship = DataPartReferenceRelationship.Create(slidePart, dataPart, MediaReferenceRelationship.RelationshipTypeConst, "rId2");
slidePart.AddDataPartReferenceRelationship(dataPartReferenceRelationship);
slide.Save(slidePart);
mainPart.Presentation = new Presentation.Presentation(slide);
mainPart.Presentation.Save();
}
stream.Seek(0, SeekOrigin.Begin);
return(stream);
}
public void AddVideo(SlidePart slidepart, string videoFilePath, string videoCoverPath, D.Transform2D transform)
{
Slide slide = slidepart.Slide;
ShapeTree shapeTree1 = slidepart.Slide.CommonSlideData.ShapeTree;
var ptrlid = Doc.PresentationPart.GetIdOfPart(slidepart);
var picID = AnalysisHelper.GetMaxId(shapeTree1);
string imgEmbedId = string.Format("imgId{0}{1}{2}", ptrlid, picID, 1);
string videoEmbedId = string.Format("vidId{0}{1}{2}", ptrlid, picID, 2);
string mediaEmbedId = string.Format("medId{0}{1}{2}", ptrlid, picID, 3);
Picture picture1 = new Picture();
NonVisualPictureProperties nonVisualPictureProperties1 = new NonVisualPictureProperties();
NonVisualDrawingProperties nonVisualDrawingProperties2 =
new NonVisualDrawingProperties()
{
Id = (UInt32Value)3U, Name = videoEmbedId + ""
};
D.HyperlinkOnClick hyperlinkOnClick1 = new D.HyperlinkOnClick()
{
Id = "", Action = "ppaction://media"
};
nonVisualDrawingProperties2.Append(hyperlinkOnClick1);
NonVisualPictureDrawingProperties nonVisualPictureDrawingProperties1 = new NonVisualPictureDrawingProperties();
D.PictureLocks pictureLocks1 = new D.PictureLocks()
{
NoChangeAspect = true
};
nonVisualPictureDrawingProperties1.Append(pictureLocks1);
ApplicationNonVisualDrawingProperties applicationNonVisualDrawingProperties2 = new ApplicationNonVisualDrawingProperties();
D.VideoFromFile videoFromFile1 = new D.VideoFromFile()
{
Link = videoEmbedId
};
ApplicationNonVisualDrawingPropertiesExtensionList applicationNonVisualDrawingPropertiesExtensionList1 =
new ApplicationNonVisualDrawingPropertiesExtensionList();
ApplicationNonVisualDrawingPropertiesExtension applicationNonVisualDrawingPropertiesExtension1 =
new ApplicationNonVisualDrawingPropertiesExtension()
{
Uri = "{DAA4B4D4-6D71-4841-9C94-3DE7FCFB9230}"
};
P14.Media media1 = new P14.Media()
{
Embed = mediaEmbedId
};
media1.AddNamespaceDeclaration("p14", "http://schemas.microsoft.com/office/powerpoint/2010/main");
applicationNonVisualDrawingPropertiesExtension1.Append(media1);
applicationNonVisualDrawingPropertiesExtensionList1.Append(applicationNonVisualDrawingPropertiesExtension1);
applicationNonVisualDrawingProperties2.Append(videoFromFile1);
applicationNonVisualDrawingProperties2.Append(applicationNonVisualDrawingPropertiesExtensionList1);
nonVisualPictureProperties1.Append(nonVisualDrawingProperties2);
nonVisualPictureProperties1.Append(nonVisualPictureDrawingProperties1);
nonVisualPictureProperties1.Append(applicationNonVisualDrawingProperties2);
BlipFill blipFill1 = new BlipFill();
D.Blip blip1 = new D.Blip()
{
Embed = imgEmbedId
};
D.Stretch stretch1 = new D.Stretch();
D.FillRectangle fillRectangle1 = new D.FillRectangle();
stretch1.Append(fillRectangle1);
blipFill1.Append(blip1);
blipFill1.Append(stretch1);
ShapeProperties shapeProperties1 = new ShapeProperties();
D.PresetGeometry presetGeometry1 = new D.PresetGeometry()
{
Preset = D.ShapeTypeValues.Rectangle
};
D.AdjustValueList adjustValueList1 = new D.AdjustValueList();
presetGeometry1.Append(adjustValueList1);
shapeProperties1.Append(transform);
shapeProperties1.Append(presetGeometry1);
picture1.Append(nonVisualPictureProperties1);
picture1.Append(blipFill1);
picture1.Append(shapeProperties1);
shapeTree1.Append(picture1);
if (!(slide.Timing?.ChildElements?.Count > 0))
{
AnalysisHelper.InitTiming(slide);
}
ImagePart imagePart = slidepart.AddImagePart(AnalysisHelper.GetImagePartType(videoCoverPath), imgEmbedId);
using (var data = File.OpenRead(videoCoverPath))
{
imagePart.FeedData(data);
};
Doc.PartExtensionProvider.AddPartExtension("video/mp4", ".mp4");
MediaDataPart mediaDataPart1 = Doc.CreateMediaDataPart("video/mp4", ".mp4");
using (System.IO.Stream mediaDataPart1Stream = File.OpenRead(videoFilePath))
{
mediaDataPart1.FeedData(mediaDataPart1Stream);
}
slidepart.AddVideoReferenceRelationship(mediaDataPart1, videoEmbedId);
slidepart.AddMediaReferenceRelationship(mediaDataPart1, mediaEmbedId);
slide.Save();
}
