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I am trying to record a stream from a webcam using Expression Encoder 4 SDK in WPF I can capture the video & audio streams and record these to disk however they are only recording at a base resolution of 320x240 the webcam is capable of capturing at 720p, how can I record at this resolution. Any help would be appreciated, I have been pulling my hair out trying to solve this all week.

Charles
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John
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2 Answers2

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Know this is a bit late but all questions need answers:

These might be a possible solution:

  • Check to see if your camera has it's own settings on the camera or comes with an installation disk.
  • for the expression encoder 4 put the video profile quality to max.

Good luck. If you are still around tell me, how it goes.

Reza M.
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to change the "size" you can use the following line : 

LiveJob.OutputFormat.VideoProfile.Streams[0].Size = new Size(1280,1080)

Or whatever you want it to be.

Encoder also offers a setting page that you can use.

That's what I did and then after setting the outputsize you can do that : 

currentJob.OutputFormat.VideoProfile.Streams[0].Size = ((LiveSource)LiveDeviceSource).CropRect.Size;

Only 1 small limitation, you can't change the size while it's recording if you are publishing the source.

Jonathan
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