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Sun, 3 May 2020 14:31:37 -0400 (EDT) Date: Sun, 3 May 2020 14:31:35 -0400 From: Leo Famulari Message-ID: <20200503183135.GA19138@jasmine.lan> References: <20200503084149.GA12573@E5400> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <20200503084149.GA12573@E5400> X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.7 (-) X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 41043@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Scanner: scn0 X-Spam-Score: -0.01 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=famulari.name header.s=mesmtp header.b=1a2y74C6; dkim=fail (rsa verify failed) header.d=messagingengine.com header.s=fm2 header.b=l430/9xU; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 2001:470:142::17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Scan-Result: default: False [-0.01 / 13.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; GENERIC_REPUTATION(0.00)[-0.49381095847193]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2001:470:142::/48:c]; IP_REPUTATION_HAM(0.00)[asn: 22989(0.14), country: US(-0.00), ip: 2001:470:142::17(-0.49)]; DWL_DNSWL_FAIL(0.00)[2001:470:142::17:server fail]; R_DKIM_REJECT(1.00)[famulari.name:s=mesmtp,messagingengine.com:s=fm2]; MX_GOOD(-0.50)[cached: eggs.gnu.org]; RCPT_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[famulari.name:-,messagingengine.com:-]; MAILLIST(-0.20)[mailman]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; RCVD_IN_DNSWL_FAIL(0.00)[2001:470:142::17:server fail]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:22989, ipnet:2001:470:142::/48, country:US]; TAGGED_FROM(0.00)[larch=yhetil.org]; FROM_NEQ_ENVFROM(0.00)[leo@famulari.name,bug-guix-bounces@gnu.org]; ARC_NA(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[76.124.138.63:received]; FROM_HAS_DN(0.00)[]; URIBL_BLOCKED(0.00)[ffmpeg.org:url]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[famulari.name]; HAS_LIST_UNSUB(-0.01)[]; RCVD_COUNT_SEVEN(0.00)[10]; FORGED_SENDER_MAILLIST(0.00)[] X-TUID: LHgjPYvhBFuK On Sun, May 03, 2020 at 11:41:49AM +0300, Efraim Flashner wrote: > qtbase seems like a rather heavy dependency for ffmpeg. After looking > through 'guix graph ffmpeg' >=20 > qtbase -> extra-cmake-modules -> fcitx -> sdl2 -> ffmpeg >=20 > What does sdl2 bring to ffmpeg? > (on a similar note, what does it bring to u-boot?) > 'guix size ffmpeg' > with sdl2: 713.3 MiB > without sdl2: 699.2 MiB >=20 > https://ffmpeg.org/ffmpeg-devices.html#sdl According to that page, "This output device allows one to show a video stream in an SDL window. Only one SDL window is allowed per application, so you can have only one instance of this output device in an application." Personally, I think FFmpeg is useful because it does everything. It's supposed to be heavy. But maybe the dependency chain could be cut earlier, if that's important. Although, I think most systems will include Qtbase for other reasons.