Embed Video in PowerPoint Presentations using C#

readme.md

Learn how to embed or extract video into/from PowerPoint presentations using C#: https://blog.aspose.com/2021/09/17/embed-video-in-powerpoint-using-csharp/

embed-video-web.cs

using (Presentation pres = new Presentation())
{
    // Video ID
    string videoId = "Tj75Arhq5ho";

    // Add video frame
    IVideoFrame videoFrame = pres.Slides[0].Shapes.AddVideoFrame(10, 10, 427, 240, "https://www.youtube.com/embed/" + videoId);
    videoFrame.PlayMode = VideoPlayModePreset.Auto;

    // Load thumbnail
    using (WebClient client = new WebClient())
    {
        string thumbnailUri = "http://img.youtube.com/vi/" + videoId + "/hqdefault.jpg";
        videoFrame.PictureFormat.Picture.Image = pres.Images.AddImage(client.DownloadData(thumbnailUri));
    }

    // Save presentation
    pres.Save("AddVideoFrameFromWebSource_out.pptx", SaveFormat.Pptx);
}

embed-video.cs

// Instantiate Presentation class that represents the PPTX
using (Presentation pres = new Presentation())
{
    // Get the first slide
    ISlide sld = pres.Slides[0];

    // Add video to presentation
    IVideo vid = pres.Videos.AddVideo(new FileStream("Wildlife.mp4", FileMode.Open));

    // Add video frame
    IVideoFrame vf = sld.Shapes.AddVideoFrame(50, 150, 300, 350, vid);

    // Assign video to video frame
    vf.EmbeddedVideo = vid;

    // Set play mode and volume of the video
    vf.PlayMode = VideoPlayModePreset.Auto;
    vf.Volume = AudioVolumeMode.Loud;

    // Write the PPTX file to disk
    pres.Save("VideoFrame_out.pptx", SaveFormat.Pptx);
}

extract-video.cs

// Load a presentation file 
Presentation presentation = new Presentation("Video.pptx");

// Loop through slides in the presentation
foreach (ISlide slide in presentation.Slides)
{
    // Loop through shapes
    foreach (IShape shape in presentation.Slides[0].Shapes)
    {
        if (shape is VideoFrame)
        {
            // Extract and save video
            IVideoFrame vf = shape as IVideoFrame;
            String type = vf.EmbeddedVideo.ContentType;
            int ss = type.LastIndexOf('/');
            type = type.Remove(0, type.LastIndexOf('/') + 1);
            Byte[] buffer = vf.EmbeddedVideo.BinaryData;
            using (FileStream stream = new FileStream("NewVideo_out." + type, FileMode.Create, FileAccess.Write, FileShare.Read))
            {                                                     
                stream.Write(buffer, 0, buffer.Length);
            }
        }
    }
}