Editing videos recorded with Streamsie

Editing videos recorded with Streamsie

Streamsie records videos in H.264 format, which is a highly compressed format created to be able to be delivered over broadband networks efficiently. Because of this compression, videos recorded with Streamsie cannot easily be edited with non-linear editing software such as Adobe Premiere, Apple Final Cut Pro, Sony Vegas or other editing software. Even when these editors are able to read and play back the H.264 video file, editing on a frame-by-frame basis is problematic to impossible. In order to edit the video with these types of software, the file must first be transcoded into another format. Which format is best to transcode to depends on what editing software you are using. Check your software for the source file types that are supported before you choose how to convert your video file.

It is important to note that converting your H.264 video file will likely reduce the quality of the video. Once you are done editing the file, you will then need to re-encode the video back into H.264 format for streaming on the web and to mobile and other devices. This will result in further quality loss. In order to combat this, it is important that the original video file is encoded at the highest quality possible so that each conversion will still result in as good a quality video as possible.

If all you want to do is to some basic simple editing of your H.264 video file, there are free tools available online that can solve this problem without needing to convert the file or re-encode it. One such free tool is called Avidemux and is available from Sourceforge here: avidemux.sourceforge.net/. With this too, it is possible to simply trim the start or end of the video or stitch two video files together (although to do this it is important that the two videos are encoded with exactly the same settings). Here is a step-by-step explanation of how to trim the ends of an H.264 video file using Avidemux:
  1. Open the file in Avidemux and make sure that the Video Output and Audio Output settings are set to "Copy" and the Output Format setting is set to MP4v2 Muxer.
  2. Find the point in the video where you want the edited video to begin using the progress slider.
  3. Click the "A" button at the point where you want the edited video to begin. All the video content prior to this point will be trimmed.
  4. Repeat step 2 again to find the point in the video where you want the edited video to end and select the "B" button. All video content after this point will be trimmed.
  5. Once you are finished setting the end points, simply select "Save" from the file menu and give your edited video a name. Be careful not to overwrite your original video unless you are sure you won't need it again or any of the content you trimmed out. Also, be sure you save the file with a ".mp4" file extension.

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