From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id B89E41382C5 for ; Tue, 12 Jan 2021 08:25:02 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id AC3C5E0998; Tue, 12 Jan 2021 08:24:44 +0000 (UTC) Received: from mail.digimed.co.uk (mail.digimed.co.uk [82.69.83.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 47E50E099C for ; Tue, 12 Jan 2021 08:24:44 +0000 (UTC) Received: from digimed.co.uk (fenchurch.digimed.co.uk [192.168.1.6]) by mail.digimed.co.uk (Postfix) with ESMTPA id 81FBE67667 for ; Tue, 12 Jan 2021 08:24:42 +0000 (GMT) Date: Tue, 12 Jan 2021 08:24:36 +0000 From: Neil Bothwick To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: Your opinion on jpeg encoders, please Message-ID: <20210112082436.362dbc3c@digimed.co.uk> In-Reply-To: References: <93bee44a-f976-194a-7c24-f5c7daf95c22@youngman.org.uk> Organization: Digital Media Production X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-pc-linux-gnu) X-GPG-Fingerprint: 7260 0F33 97EC 2F1E 7667 FE37 BA6E 1A97 4375 1903 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/F/akfieptLzgGaMHZoMpxFe"; protocol="application/pgp-signature"; micalg=pgp-sha256 X-Archives-Salt: 51fc3594-1280-47ac-bb25-11849cf851c3 X-Archives-Hash: 2fa52c1af0c6bdd3973f72554e650b83 --Sig_/F/akfieptLzgGaMHZoMpxFe Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Mon, 11 Jan 2021 20:26:26 +0100, Frank Steinmetzger wrote: > > > You lose some extra quality when doing this due to recompression. > > > What you should do is save in a lossless format (like png or bmp) > > > and then convert that to jpg. =20 >=20 > But that would lose a lot of EXIF stuff in the process. I know that > recompression reduces quality, that=E2=80=99s why I use a very high setti= ng > (98=E2=80=A6100) for the intermediate file. PNG supports EXIF tags, or you could use lossless JPEG. --=20 Neil Bothwick Top Oxymorons Number 39: Almost exactly --Sig_/F/akfieptLzgGaMHZoMpxFe Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE8k9T/rX16EJxEKG692eFu0QSMJgFAl/9XMQACgkQ92eFu0QS MJghaQ/9Gtv9LF2m1GdqbjFdkfvRADmRf1BLQbolXtgL802aSCKxFiHuxq2pY+AQ vwRVlz1kxe3yJmOvJHulAH+NlQNry2+Z5vmxIl/T46r4LgDQSMW6mprnP6QZA0VJ slmRiGer5jM6YwXapuEmmfJQperW5KXUm3IDmCKKEz23QI4rYu4CC/X4f2jS8Y4c Zd6lrK/mucuIWOCmZKsjR09miK+jsRLmQSro3dOoHFlFLAoibCcDbZKi/EEBVHCX 72ZsnQ2OMj8Qq5PQ1XCQrgyn9U3gvNKBQRinpyX4l1nVS+6weo7LZ9AqT31r0O/n I28+iCHANIjG0Fd/hmMDQQPyO1dvSLq14tO/7ydtam1e1MRhmnVip24OZB3wwNtV xdjfW1JA/MDf8JLfrCQuEjN80W4d6s3o7f0sBsu0mg9ehc4cH/BJ5qPV4XpqfzqX OrIXlNoUzORjjU+pJmx3/CIxBoT6Ntaufz7NFUJ/SorY3QkoEXFL7dWoF1OARD/4 Qu2FsKJFqw4DmzC8jGPPnaJg2MhS1KC7ewsuv+UfkBVCwHmIeP0OjxGAfCc9cJrp D+yBx1GhEl+y4KKKa9jke7oGgQgJCmqzzkqWGRI9MUEU5J94e5cYh7u86JIlXgOw 79w32OGWTGzurtvHowXq3174g9t5J4JslYTViK49hw7XQ09qEZo= =ZCqh -----END PGP SIGNATURE----- --Sig_/F/akfieptLzgGaMHZoMpxFe--