From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72107C43334 for ; Fri, 8 Jul 2022 13:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238197AbiGHNc3 (ORCPT ); Fri, 8 Jul 2022 09:32:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238196AbiGHNcY (ORCPT ); Fri, 8 Jul 2022 09:32:24 -0400 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 555DD2CDD5 for ; Fri, 8 Jul 2022 06:32:23 -0700 (PDT) Received: by mail-qt1-x82f.google.com with SMTP id e7so1673521qts.1 for ; Fri, 08 Jul 2022 06:32:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ndufresne-ca.20210112.gappssmtp.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :content-transfer-encoding:user-agent:mime-version; bh=Yu8bKYHlHx+dbL+sw5q4ZRjn4fcee2CGtMmXinJvd+o=; b=lY7hu066xUzcIPr5UD259wVv9tm24Aiv8xv3EQDHIa7pTX8DiAkoXNDgAydq0rTAU9 Cz9TuaHrjf2ikc6wmyiA9loansNDWN21rEMN6Ui+IvKWmhdNuGb9HiuiqoL5flj5/hso CwgngzRxtPC6wfCBamtm6LzR9nxj5sqqw/4RtcV7461qSGIMGBeqnPw/DF4F1Av9eIRf cqQ9356+V7IVsFw8iB7db4Q3WiOGoottS7uPymvy6FluV1b16WCV/zaWqBsM89d9dAEi kjm1A5sS0LJA5yAQKngHzyVh6k2Wr0pxiP3bLeQ7OowW5O1keZEn6H+COK6Wfp22Fapc ogHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:content-transfer-encoding:user-agent:mime-version; bh=Yu8bKYHlHx+dbL+sw5q4ZRjn4fcee2CGtMmXinJvd+o=; b=fQCl81q+f2VieW8Tcttsz8Ra9Nbr8lrlCmhmDyY1CZHcMbj8uAy5MND8vcn4f15/vW ncqcth7ZMJOE0s1BZtW1R9lfi3ilQwoASEsLt1D3YtwCtE129tKAo48hYGQaiAS0H+1n wUA21ZuMTLfAPA7SNkI3hUoJoFQVJjd+IOPVzfXzms8q+dFJzDGEpc0SQNLGxzEHzlbQ eJryMItXWNKalpoWP674V+a4ZS64tt+Wm3lCxKr47IEhROwRXMyYoY+wfTwYUhHXByG/ KTrDlaboMYxf4Z4hxm2fLE268LLzPrOEEK3jaJYOLEuFeV0H/tZeKArLJTBa8hignWKH QunQ== X-Gm-Message-State: AJIora+ZpCR3MNUf0srkyycgoDuWvHpXG033TKHB+ekB0QhpIhUzkUt/ UegGpXMdtxzq5lcXPfGYQZ4YHw== X-Google-Smtp-Source: AGRyM1uyuIWyl91hCY2bh60iyU9jBQdwPs2f+kbRSM+PSbqNROmEadcwNKqkO4tizj21zxRlydHeVw== X-Received: by 2002:a05:6214:1c89:b0:46e:4048:ca2c with SMTP id ib9-20020a0562141c8900b0046e4048ca2cmr2703474qvb.60.1657287142094; Fri, 08 Jul 2022 06:32:22 -0700 (PDT) Received: from nicolas-tpx395.localdomain (192-222-136-102.qc.cable.ebox.net. [192.222.136.102]) by smtp.gmail.com with ESMTPSA id h16-20020a05620a401000b006a6a7b4e7besm39100667qko.109.2022.07.08.06.32.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Jul 2022 06:32:21 -0700 (PDT) Message-ID: <2f35d8250ce133e21eb3987977a92af583e32d0d.camel@ndufresne.ca> Subject: Re: [EXT] Re: [PATCH] media: amphion: only insert the first sequence startcode for vc1l format From: Nicolas Dufresne To: Ming Qian , "mchehab@kernel.org" , "hverkuil-cisco@xs4all.nl" Cc: "shawnguo@kernel.org" , "robh+dt@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , dl-linux-imx , "linux-media@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Date: Fri, 08 Jul 2022 09:32:20 -0400 In-Reply-To: References: <20220628052017.26979-1-ming.qian@nxp.com> <6e54af5243d324c5df1c9ec18d4b091fbd52150f.camel@ndufresne.ca> <42ba6a9516f4359b757d2f94b16c1bb23cc41cb2.camel@ndufresne.ca> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.2 (3.44.2-1.fc36) MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le mercredi 06 juillet 2022 =C3=A0 04:09 +0000, Ming Qian a =C3=A9crit=C2= =A0: > > Can't you save the slow copy by using data_offset then ? I think most o= f the > > confusion comes from this commit message, someone else then you should = be > > able to understand what it means. >=20 > I'll modify the commit message that remove the unrelated vp8 description. > And unfortunately the amphion vpu only support the ring buffer mode, so > copying is inevitable. Great thanks, I had forgotten that Amphion was based on a ring buffer. Inde= ed, this is the way to go, same applied to CODA driver. Nicolas