Open patolax opened 2 months ago
Describe the bug Can't Add video or audio to premade presentations
To Reproduce This is my code, I load a PowerPoint presentation from disk and make text changes to the slide after I call these methods to add audio/video.
public void AddVideoToPresentation(PresentationDocument presentationDocument, string audioFilePath) { int PicID = 915; PresentationPart presentationPart = presentationDocument.PresentationPart; var slideCount = presentationPart.Presentation.SlideIdList.Count(); var videoEmbedId = string.Format("audioId{0}{1}", slideCount, PicID++); var mediaEmbedId = string.Format("medId{0}{1}", slideCount, PicID++); SlidePart slidepart = presentationDocument.PresentationPart.SlideParts.LastOrDefault(); MediaDataPart mediaDataPart1 = presentationDocument.CreateMediaDataPart("audio/mp3", ".mp3"); System.IO.Stream mediaDataPart1Stream = File.OpenRead(audioFilePath); mediaDataPart1.FeedData(mediaDataPart1Stream); mediaDataPart1Stream.Close(); slidepart.AddAudioReferenceRelationship(mediaDataPart1, videoEmbedId); slidepart.AddMediaReferenceRelationship(mediaDataPart1, mediaEmbedId); slidepart.Slide.Save(); AddVid(presentationDocument); } public void AddVid(PresentationDocument presentationDocument) { PresentationPart presentationPart = presentationDocument.PresentationPart; SlidePart slidepart = presentationDocument.PresentationPart.AddNewPart<SlidePart>("rxId3"); MediaDataPart mediaDataPart1 = presentationDocument.CreateMediaDataPart("video/mp4", ".mp4"); System.IO.Stream mediaDataPart1Stream = System.IO.File.Open(@"D:\samplevideo.mp4", System.IO.FileMode.Open); mediaDataPart1.FeedData(mediaDataPart1Stream); mediaDataPart1Stream.Close(); slidepart.AddMediaReferenceRelationship(mediaDataPart1, "rxId2"); slidepart.AddVideoReferenceRelationship(mediaDataPart1, "rxId1"); }
Observed behavior No Video or audio embedded in the presentation
Expected behavior Play audio after slide transition
Desktop (please complete the following information):
<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <OutputType>WinExe</OutputType> <TargetFramework>net6.0-windows</TargetFramework> <Nullable>enable</Nullable> <UseWindowsForms>true</UseWindowsForms> <ImplicitUsings>enable</ImplicitUsings> </PropertyGroup> <ItemGroup> <PackageReference Include="DocumentFormat.OpenXml" Version="2.20.0" /> <PackageReference Include="Microsoft.Office.Interop.PowerPoint" Version="15.0.4420.1018" /> <PackageReference Include="Mscc.GenerativeAI" Version="1.5.0" /> <PackageReference Include="Newtonsoft.Json" Version="13.0.3" /> <PackageReference Include="OpenXmlPowerTools.NetCore" Version="1.1.0" /> <PackageReference Include="System.ServiceModel.Syndication" Version="8.0.0" /> </ItemGroup> <ItemGroup> <Reference Include="office"> <HintPath>..\..\..\..\..\Windows\assembly\GAC_MSIL\office\15.0.0.0__71e9bce111e9429c\OFFICE.DLL</HintPath> </Reference> </ItemGroup> </Project>
How to add video or audio to a pre made presentation?
Describe the bug Can't Add video or audio to premade presentations
To Reproduce This is my code, I load a PowerPoint presentation from disk and make text changes to the slide after I call these methods to add audio/video.
Observed behavior No Video or audio embedded in the presentation
Expected behavior Play audio after slide transition
Desktop (please complete the following information):