Many such cases - eviltoast
  • uis@lemm.ee
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    5 months ago

    Since you are cutting video in pieces, applying filters and all the fun stuff, you are transcoding it anyway.

    • nossaquesapao@lemmy.eco.br
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      5 months ago

      Yes, but then you would be transcoding an already transcoded video, potentially making the losses apparent. It would be better to just transcode once at the exporting process.

      • uis@lemm.ee
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        5 months ago

        It would be better to just transcode once at the exporting process.

        Lossy encoding only happens once in both cases.

        How direct import-export works: input file -> lossy format decompressor of editor -> filters -> lossy format compressor of editor -> output

        How external codecs work: input -> external lossy format decompressor -> intermediate representation(lossless codec, can be just storing raw frames) -> IR decoder of editor -> filters -> IR encoder of editor -> external lossy format compressor -> output

        Both options have only one lossy step - lossy encoder. Or technically two - also filters, but this is editor’s intention.

        • nossaquesapao@lemmy.eco.br
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          5 months ago

          Oh, I get it now, you mean using a lossless format as intermediate. Well, it would work but still it would be better if they didn’t require this extra work on linux.