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page_type languages products urlFragment extendedZipContent description
sample
csharp
cpp
cppcx
windows
windows-uwp
MediaTranscoding
path target
SharedContent
SharedContent
path target
LICENSE
LICENSE
Shows how to use the Windows.Media.Transcoding API to transcode a video file.

Transcoding media sample

Shows how to use the Windows.Media.Transcoding API to transcode a video file. Transcoding is the conversion of a digital media file, such as a video or audio file, from one format to another. For example, you might convert a Windows Media file to MP4 so that it can be played on a portable device that supports MP4 format. Or, you might convert a high-definition video file to a lower resolution. In that case, the re-encoded file might use the same codec as the original file, but it would have a different encoding profile.

Note: This sample is part of a large collection of UWP feature samples. You can download this sample as a standalone ZIP file from docs.microsoft.com, or you can download the entire collection as a single ZIP file, but be sure to unzip everything to access shared dependencies. For more info on working with the ZIP file, the samples collection, and GitHub, see Get the UWP samples from GitHub. For more samples, see the Samples portal on the Windows Dev Center.

This sample covers the following scenarios:

  • Converting a video file from one resolution to another resolution.
  • Converting a video file using a custom output format.
  • Creating a clip from a video using the TrimStart and TrimStop API.

Some of the transcode API covered in this sample are:

For more info about transcoding video files, see Transcode media files and Transcode media files.

Related topics

Roadmaps

Roadmap for apps using C# and Visual Basic
Roadmap for apps using C++
Designing UX for apps
Audio, video, and camera

Tasks

Transcode media files

Reference

Windows.Media.Transcoding
MediaTranscoder
MediaTranscoder.PrepareFileTranscodeAsync
PrepareTranscodeResult
PrepareTranscodeResult.TranscodeAsync
MediaProperties.MediaEncodingProfile
TrimStart
TrimStop

Related samples

System requirements

  • Windows 10

Build the sample

  1. If you download the samples ZIP, be sure to unzip the entire archive, not just the folder with the sample you want to build.
  2. Start Microsoft Visual Studio and select File > Open > Project/Solution.
  3. Starting in the folder where you unzipped the samples, go to the Samples subfolder, then the subfolder for this specific sample, then the subfolder for your preferred language (C++, C#, or JavaScript). Double-click the Visual Studio Solution (.sln) file.
  4. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

  1. Select Build > Deploy Solution.

Deploying and running the sample

  1. To debug the sample and then run it, press F5 or select Debug > Start Debugging. To run the sample without debugging, press Ctrl+F5 or selectDebug > Start Without Debugging.