added cover and gif to ffmpeg post + other stuff
This commit is contained in:
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14c98b336e
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@ -12,6 +12,7 @@ author:
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gitea: Amolith
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gitea: Amolith
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telegram: amolith
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telegram: amolith
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email: amolith@nixnet.xyz
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email: amolith@nixnet.xyz
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gpgkey: amolith.txt
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# Syntax highlighting
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# Syntax highlighting
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highlightstyle: ''
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highlightstyle: ''
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@ -39,5 +39,12 @@
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<i class="fa fa-envelope"></i>
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<i class="fa fa-envelope"></i>
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</a>
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</a>
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{% endif %}
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{% endif %}
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{% if site.author.gpgkey %}
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<a href="https://nixnet.xyz/assets/{{ site.author.gpgkey }}" class="social-links__entry" target="_blank">
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<i class="fa fa-key-modern"></i>
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</a>
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{% endif %}
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</ul>
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</ul>
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</header>
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</header>
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@ -2,6 +2,7 @@
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layout: post
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layout: post
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title: Lossless screen recording
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title: Lossless screen recording
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categories: minimalism
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categories: minimalism
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cover: /assets/ffmpeg-lossless.png
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date: 2018-08-12 17:15:20
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date: 2018-08-12 17:15:20
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---
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---
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# NEVER USE OBS AGAIN
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# NEVER USE OBS AGAIN
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@ -18,3 +19,4 @@ If you do *not* want the cursor recorded, add `-draw_mouse 0` directly after `x1
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My video was 470mb for a ~13 minute video. If you're going to archive the recording or are concerned about file size, re-encode it losslessly but with a slower preset. As the initial recording was lossless and the re-encode is lossless too, there will be no absolutely no loss is quality . . . *anywhere*. I also highly recommend using this as a general purpose screen recorder if you have a low-end system. Previously, I was using OBS and the lag in the video was incredible but with ffmpeg, it's smooth as butter. The command for re-encoding is below:
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My video was 470mb for a ~13 minute video. If you're going to archive the recording or are concerned about file size, re-encode it losslessly but with a slower preset. As the initial recording was lossless and the re-encode is lossless too, there will be no absolutely no loss is quality . . . *anywhere*. I also highly recommend using this as a general purpose screen recorder if you have a low-end system. Previously, I was using OBS and the lag in the video was incredible but with ffmpeg, it's smooth as butter. The command for re-encoding is below:
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`ffmpeg -i output.mkv -c:v libx264 -crf 0 -preset veryslow output-smaller.mkv`
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`ffmpeg -i output.mkv -c:v libx264 -crf 0 -preset veryslow output-smaller.mkv`
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![](/assets/ffmpeg-lossless.gif)
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1g==
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=6Lxx
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-----END PGP PUBLIC KEY BLOCK-----
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After Width: | Height: | Size: 5.1 MiB |
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After Width: | Height: | Size: 496 KiB |
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@ -0,0 +1,87 @@
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==================================================================
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https://keybase.io/amolith
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--------------------------------------------------------------------
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I hereby claim:
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* I am an admin of https://nixnet.xyz
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* I am amolith (https://keybase.io/amolith) on keybase.
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* I have a public key with fingerprint 75DD 32CA 1BFE EA6A E40D 823C 51FD 4093 6DB0 065B
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To do so, I am signing this object:
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{
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"body": {
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"key": {
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"eldest_kid": "0120b3dab2107535087cf7e14c6a57fa60a4ce86f26fe89bd02f24ad29a02f7d86000a",
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"fingerprint": "75dd32ca1bfeea6ae40d823c51fd40936db0065b",
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"host": "keybase.io",
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"key_id": "51fd40936db0065b",
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"kid": "0101af6343af1965e9eead8debdeb3f40079a677d3dd5733f20408330b9dceb6449b0a",
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"uid": "7fca988e4c4b4738cb168c2c3e78ec19",
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"username": "amolith"
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},
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"merkle_root": {
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"ctime": 1544942574,
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"hash_meta": "0c3e7b0efd472c7a3b4b6e6ca90735770f11a06572f00407b5c9423dddd277d5",
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"seqno": 4152305
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},
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"revoke": {
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"sig_ids": [
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"6c9696c767b65f195781f36641cb6f6bd19e954db740e084c017600f34202a370f"
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]
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},
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"service": {
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"hostname": "nixnet.xyz",
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"protocol": "https:"
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},
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"type": "web_service_binding",
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"version": 1
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},
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"ctime": 1544942614,
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"expire_in": 157680000,
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"prev": "874ed029e0ab72001b432a777d7822ca8affc50f8473af26029af1fcefdbba8e",
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"seqno": 61,
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"tag": "signature"
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}
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which yields the signature:
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=pVdi
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-----END PGP MESSAGE-----
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And finally, I am proving ownership of this host by posting or
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appending to this document.
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View my publicly-auditable identity here: https://keybase.io/amolith
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==================================================================
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