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Changes between Version 51 and Version 52 of Encodings


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Timestamp:
05/22/15 06:09:09 (4 years ago)
Author:
Antoine Martin
Comment:

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  • Encodings

    v51 v52  
    3131{{{#!div class="box"
    3232== Choosing an Encoding ==
    33 The best thing to do is to try them all and choose the one that provides the best results.
     33The defaults should be good enough in most cases and will adapt to changing bandwidth conditions.
     34But if you have specific needs, the best thing to do is to try them all and choose the one that provides the best results.
    3435
    3536Here are some rough guidelines:
     
    3839* to save a little bit of bandwidth at the expense of framerate and latency, use lossless encodings: {{{png}}} or {{{webp}}}
    3940* otherwise, choose {{{h264}}} and tune the speed/quality to suit your needs (see below)
     41* {{{VP9}}} is a good alternative to {{{h264}}} (only usable with version 0.15 onwards - too slow with older versions)
    4042
    4143The other encodings are somewhat less useful:
    42 * [/wiki/Encodings/vpx vpx : VP8] is similar to {{{h264}}} but it does not support all speed and quality tuning, it also subsamples colours which leads to visual degradation. {{{VP9}}} is only usable with version 0.15 onwards.
     44* [/wiki/Encodings/vpx vpx : VP8] is similar to {{{h264}}} but it does not support all speed and quality tuning, it also subsamples colours which leads to visual degradation.
    4345* {{{h265}}} via {{{x265}}} is far too slow to encode
    4446* {{{jpeg}}} gives lower size/quality than other lossy encodings, use this if the video encodings are not available and you need better compression than {{{png}}} or {{{webp}}} can give you