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 ESMTP id BD4644883B for ; Thu, 18 Apr 2024 19:43:32 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 439A268D1DA; Thu, 18 Apr 2024 22:43:29 +0300 (EEST) Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2C6AC68C8CD for ; Thu, 18 Apr 2024 22:43:23 +0300 (EEST) Received: by mail-pf1-f176.google.com with SMTP id d2e1a72fcca58-6f074520c8cso1292113b3a.0 for ; Thu, 18 Apr 2024 12:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1713469400; x=1714074200; darn=ffmpeg.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=lu5wHmFL995Yv0i2CnqWOOSCj9fSaL2gndR/qqpo4dU=; b=IoCILVEF9We29ccZCxawOPdCGZEefNz8h8ZCDTqLcdTAxk0rPedVNbLQaQbRmeSJiJ TVb9Jq3x/oIQEB3E/x3vYiDaGtEvDTaGz2M/jINAO+VHz+UWjURShfrluL32GwhbfnD1 SWKuS59NsobXT1jyOl2/2PLUOgrEAIhN3IlhEtRGYG1vzbtth/N6Q+GNhGWIJy3kVHTY t+afJeFxEnN3dGROztnlQxQo33s4l8izQuqaZlegrOeKTqc90gXtuVywQy7mSXDlc9Yp K6gPkEuNvf3r5QCwD520cgBFBP/V7Ew02EpfDZPeUDbSGosCVF2DEijjeR3xV2vOU4XN o7jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713469400; x=1714074200; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lu5wHmFL995Yv0i2CnqWOOSCj9fSaL2gndR/qqpo4dU=; b=EOrYbJA1BsQ79MMpS6ErdwfA9XeJNZKjq4GgwAIQ34d1ik+FOffJDCbyBEr/8Xjsea khyYJMFpg1fYUDDxIRnbfoYgFXyRrwspkIv4hZ+jMud0eJ7xIfq+QYn7k7UQk7F0IFng +Xmom9u8x3lerswxq3P7uDsnCfCSaXMqaKFhoT6hdGK4wZSlM7F6jXAmGOQIPF+3aM7S br/oKLUQ08AfqLvIzQWudXuRHtygo59XmuwFWPC5D6mpKAbc79dQZcEqLQ7neKSaOHBi ekCCI2BN+JDfRFMKy2lPm6PqF9BMR5+lzkehErE78aDID2G10UT7nXdrwDpJkr/Y/eRZ 6SMg== X-Gm-Message-State: AOJu0YwLDFz+aywmurU46k/3DgJ6zWpePx/uB3rYEAedmOugVeTzNgoO o6xAKOfk8KUdlg0QX/aim16af2ukevZ4ymyPL3NrpS3HIzvDuj1te6f2Nw== X-Google-Smtp-Source: AGHT+IHKPeHoAAkhzwRD4PUrHxzsnJ1TZ6qEa3Xt//O79S9V5SV/B1t9R23U8lep7z4zK4HKTn5MsA== X-Received: by 2002:a05:6a20:5b1a:b0:1a7:a3cb:7901 with SMTP id kl26-20020a056a205b1a00b001a7a3cb7901mr185647pzb.61.1713469399859; Thu, 18 Apr 2024 12:43:19 -0700 (PDT) Received: from [192.168.0.10] ([190.194.167.233]) by smtp.gmail.com with ESMTPSA id u9-20020a170902e80900b001e7c05cf1a2sm1904480plg.112.2024.04.18.12.43.18 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 18 Apr 2024 12:43:19 -0700 (PDT) Message-ID: <167d0450-08e1-48ac-a57e-f56c42882dc8@gmail.com> Date: Thu, 18 Apr 2024 16:43:18 -0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: ffmpeg-devel@ffmpeg.org References: <20240418185955.91111-1-post@frankplowman.com> Content-Language: en-US From: James Almer In-Reply-To: <20240418185955.91111-1-post@frankplowman.com> Subject: Re: [FFmpeg-devel] [PATCH] lavc/vvc: Skip enhancement layer NAL units 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 4/18/2024 3:59 PM, Frank Plowman wrote: > The native VVC decoder does not yet support quality/spatial/multiview > scalability. Bitstreams requiring this feature could cause crashes. > Patch fixes this by skipping NAL units which are not in the base layer, > warning the user while doing so. > > Signed-off-by: Frank Plowman > --- > libavcodec/vvc/dec.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libavcodec/vvc/dec.c b/libavcodec/vvc/dec.c > index a4fc40b40a..5249ddf989 100644 > --- a/libavcodec/vvc/dec.c > +++ b/libavcodec/vvc/dec.c > @@ -785,6 +785,11 @@ static int decode_nal_unit(VVCContext *s, VVCFrameContext *fc, const H2645NAL *n > > s->temporal_id = nal->temporal_id; > > + if (nal->nuh_layer_id > 0) { > + avpriv_report_missing_feature(fc->log_ctx, "Multilayer"); A more verbose message would be better. > + return AVERROR_PATCHWELCOME; > + } > + > switch (unit->type) { > case VVC_VPS_NUT: > case VVC_SPS_NUT: _______________________________________________ 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".