WebM: Difference between revisions
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'''WebM''' (''.webm'') is a video file format developed by {{wiki|Google}}. It is subset of the {{wiki|Matroska}} container format developed by {{wiki|Xiph}}, and incorporates VP8 encoding technology by {{wiki|On2}}. WebM was originally designed to be used on webpages to save bandwidth, but it also has some benefits when it comes to video games and many other applications. | '''WebM''' (''.webm'') is a video file format developed by {{wiki|Google}}. It is subset of the {{wiki|Matroska}} container format developed by {{wiki|Xiph}}, and incorporates VP8 encoding technology by {{wiki|On2}}. WebM was originally designed to be used on webpages to save bandwidth, but it also has some benefits when it comes to video games and many other applications. | ||
The biggest benefit of WebM over [[BIK|Bink]] (or [[AVI]]) is that of file size; a WebM video will be significantly smaller than that of a similar-quality Bink file, without dropping video quality. For example, the installation size of {{hdtf|4.1}} decreased by 5.7 GB when switching its FMV cutscenes from Bink to WebM{{ref|1}}. Furthermore, unlike Bink, WebM is much more common and easier to make than Bink file format, as Bink requires a tool that only takes AVI | The biggest benefit of WebM over [[BIK|Bink]] (or [[AVI]]) is that of file size; a WebM video will be significantly smaller than that of a similar-quality Bink file, without dropping video quality. For example, the installation size of {{hdtf|4.1}} decreased by 5.7 GB when switching its FMV cutscenes from Bink to WebM{{ref|1}}. Furthermore, unlike Bink, WebM is much more common and easier to make than Bink file format, as Bink requires a tool that only takes AVI (Converting from MP4 requires the deprecated QuickTime for Windows application), then only to find out there's audio or video sync issues that may sometimes happen. | ||
WebM is supported in the following games, engines, and engine branches: | WebM is supported in the following games, engines, and engine branches: | ||
Revision as of 13:37, 13 November 2023
WebM (.webm) is a video file format developed by 
Google. It is subset of the Matroska container format developed by Xiph, and incorporates VP8 encoding technology by On2. WebM was originally designed to be used on webpages to save bandwidth, but it also has some benefits when it comes to video games and many other applications.
The biggest benefit of WebM over Bink (or AVI) is that of file size; a WebM video will be significantly smaller than that of a similar-quality Bink file, without dropping video quality. For example, the installation size of 
Hunt Down the Freeman decreased by 5.7 GB when switching its FMV cutscenes from Bink to WebM[1]. Furthermore, unlike Bink, WebM is much more common and easier to make than Bink file format, as Bink requires a tool that only takes AVI (Converting from MP4 requires the deprecated QuickTime for Windows application), then only to find out there's audio or video sync issues that may sometimes happen.
WebM is supported in the following games, engines, and engine branches:
| Video codecs | Audio codecs | ||||
|---|---|---|---|---|---|
| Implementation | VP8 | VP9 | AV1 | Vorbis | Opus |
 Source 2
|
? | ? | ? | ? | ? |
 Counter-Strike: Global Offensive(since 2018 Panorama update) |
? | ? | ? | ? | ? |
 Strata Source
|
? | ? | ? | ? | ? |
Webm Video Services for  (used by Hunt Down the Freeman)
|
Yes | Yes | No | Yes* | Yes* |
- *Windows only. Webm Video Services currently does not support audio playback on Linux.
References
- Hunt Down The Freeman - July blog: where we're at + looking for team members! - Steam News
Bink video is replaced with webm (like CSGO and Source 2) and has successfully freed up 5.7GB of space