From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 9E88B4E145 for ; Sat, 8 Mar 2025 19:54:15 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E510868D8C5; Sat, 8 Mar 2025 21:54:11 +0200 (EET) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 9605E68CC17 for ; Sat, 8 Mar 2025 21:54:05 +0200 (EET) Received: by mail.gandi.net (Postfix) with ESMTPSA id D3B3A4434F for ; Sat, 8 Mar 2025 19:54:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1741463645; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=IBNAOGfPZoCapW7qCXjDXsqanlgcCgkCiJLpaa/2S5s=; b=oquSoUz0WPKGmrbMO+tPT1hnAc8JO71avV1fSHtuuf5P6euE7n+WvOOerrcvLrThFnlAqg 2I/jqAyDXHSkgOcenNka5hXKUqD3V5koFV+RWnue1T4H2dloD4IXlOnfj5MbnvddFSXQcN uaKS/R57Yxq8LXaAUI86SLmUoUFoINwvTwiLbSKQJq++5pDifbve+ZPjZhjGk1hK6g7DUB qzEEai19tXNv3/lQLsQr8pRW5QtqB8FNLJcLC2jggaAl6GhfkwYTUx9BJmVleYuDHOgo/V Wb7KN/y9XQnZB2fgW3Fl5oT2HD2kRXdUdWKqvwTbZtDXKaB67Z9R1iyyhdv3yw== Date: Sat, 8 Mar 2025 20:54:04 +0100 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20250308195404.GE4991@pb2> References: <20250305234356.52610-1-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20250305234356.52610-1-michael@niedermayer.cc> X-GND-State: clean X-GND-Score: -70 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdduudeggeegucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfghrlhcuvffnffculdeftddmnecujfgurhepfffhvffukfhfgggtuggjsehgtderredttddvnecuhfhrohhmpefoihgthhgrvghlucfpihgvuggvrhhmrgihvghruceomhhitghhrggvlhesnhhivgguvghrmhgrhigvrhdrtggtqeenucggtffrrghtthgvrhhnpeeigeektdejudffjefhteegjedtgeettefggedthfejgfevhfetgeekjedtvdfhveenucfkphepgedurdeiiedrieejrdduudefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepgedurdeiiedrieejrdduudefpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehmihgthhgrvghlsehnihgvuggvrhhmrgihvghrrdgttgdpnhgspghrtghpthhtohepuddprhgtphhtthhopehffhhmphgvghdquggvvhgvlhesfhhfmhhpvghgrdhorhhg X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [PATCH v2] avcodec/ffv1: Use dual run coder for fltmap X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: multipart/mixed; boundary="===============9149937769740007116==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============9149937769740007116== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="0fZm7XrreenIlpQ+" Content-Disposition: inline --0fZm7XrreenIlpQ+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 06, 2025 at 12:43:56AM +0100, Michael Niedermayer wrote: > This improves compression by 0.1% overall and 44% for the changed table > I tried several other things but so far this is the best > compromise between complexity and compression >=20 > This can also be extended to 32 and 64bit floats >=20 > Sponsored-by: Sovereign Tech Fund > Signed-off-by: Michael Niedermayer > --- > libavcodec/ffv1dec_template.c | 23 ++++++++++++++++++----- > libavcodec/ffv1enc_template.c | 17 ++++++++++++++--- > 2 files changed, 32 insertions(+), 8 deletions(-) Will apply This requires strict experimental currently, so it can still be changed thx [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Awnsering whenever a program halts or runs forever is On a turing machine, in general impossible (turings halting problem). On any real computer, always possible as a real computer has a finite number of states N, and will either halt in less than N cycles or never halt. --0fZm7XrreenIlpQ+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEKAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZ8ygWAAKCRBhHseHBAsP q/z/AJ9hpvbx3hBqJ/AuCCv+8ujagsXH3gCeNIZAOdqsnQIS4xVYBT8hJTJoAnU= =uhn/ -----END PGP SIGNATURE----- --0fZm7XrreenIlpQ+-- --===============9149937769740007116== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". --===============9149937769740007116==--