Storyline: How Videos Are Encoded
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This article applies to:
Adobe discontinued Flash, and the Articulate Mobile Player has been retired. Learn more.
Here's how Storyline encodes videos in your courses, based on their original file formats and the output options you choose when publishing.
Original File Format |
HTML5 Output |
Flash Output |
Mobile Output |
MP4 |
Re-encoded to MP4 |
Re-encoded to MP4 |
Re-encoded to MP4 |
FLV (no alpha channel) |
Encoded to MP4 |
Encoded to MP4 |
Encoded to MP4 |
FLV (with alpha channel) |
Encoded to MP4* |
No change (FLV) |
No change (FLV) |
SWF |
Not supported |
No change (SWF) |
Not supported |
All other file types |
Encoded to MP4 |
Encoded to MP4 |
Encoded to MP4 |
*Alpha channel transparency isn't supported in HTML5 output. As a result, FLV videos with alpha channels will be encoded as MP4 videos without transparency in HTML5 output.