From patchwork Fri Feb 19 22:33:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: clime X-Patchwork-Id: 25819 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id A263B44810B for ; Sat, 20 Feb 2021 01:01:07 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 70E2D68A97D; Sat, 20 Feb 2021 01:01:07 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3286F68A920 for ; Sat, 20 Feb 2021 01:01:00 +0200 (EET) Received: by mail-lj1-f173.google.com with SMTP id a17so30426481ljq.2 for ; Fri, 19 Feb 2021 15:01:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RSOSMsWPLpDKB6BydtoxJxyKtYi3/DUQDSZNkMWb6q8=; b=NtE0uHwFyFC6a/EPyOBg6Ak/mvuJ5BTpeQf97SsPl7TwaMU2frTVP0FwfKZ37ZhIyl aGl8uo2n5PGE8irUn+2PM4RnAdsOBCYB60EUrHEWrv+TjLFIXvaX/T4xByttrXgIBgpX 1u0/v8Q/3tg271cqCIpKdjBA6h8jrTr6IwwNcNV0zmf0fY+0wCDAb7tZOSRfZyEf0P6d zBg2k3nxLn11ELijWlA9NlzRmuU61U/dxIerBF+ljhJ6F2IsRNrO7dR2ic5wCauTBBgg ldd0k8Zv/DpWV8JSvQjLScDxvPRvCjox67QfQNP2/9iYUdWjVa0MHcY4bTomnBiL7776 Dw8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RSOSMsWPLpDKB6BydtoxJxyKtYi3/DUQDSZNkMWb6q8=; b=Fad5IzmrHjie3Opfwj8MDek401OO6LLrpL7puz53DjDKhk7yc16e0sbSo0Kcca1lma YwhcGKc1B88D0bh8sBEKm8SdA27YEOJKlsck1MYRZdEBkT6z9MikWI6VSgYRtAK9z4ML BCXEsvsGeIHTudrH9p/CtQ1NSXuj3URAhLrg2Xz1DWySx/dQltnIOvaop3sw12YZ7ohc B/ItxMtKYG1nkpvivc/cYmDft24bmvLLtRN1PINh47tO8cilswDbRRDzSdxkz671fqea EBp3BX7Xbt2UnQP5oJT5LrD9FEeG26fyY26Xu8WBmkiKsMQjPa4MPauu8w6wkhggP2uB W2FQ== X-Gm-Message-State: AOAM532g7PlKJ8H2v54eZb7jBqIQJlosQa6rkwFx1vLUUyhBew/lWZ0X 7860a++1dAy6YypNHmMnhUW28fiTu8hqxw== X-Google-Smtp-Source: ABdhPJwe8krZxGhLqB9o5mokWYQnGj9I62mcIMAxUyYD8/shRHMUxa8xrilM32F9SVthDZP+5EJYRg== X-Received: by 2002:adf:bbca:: with SMTP id z10mr11249342wrg.168.1613774015798; Fri, 19 Feb 2021 14:33:35 -0800 (PST) Received: from BRIDGE-LIVE.localdomain (comprimato-nat.vtp.fi.muni.cz. [78.128.215.16]) by smtp.gmail.com with ESMTPSA id z17sm18639447wrv.9.2021.02.19.14.33.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Feb 2021 14:33:35 -0800 (PST) From: clime To: ffmpeg-devel@ffmpeg.org Date: Fri, 19 Feb 2021 14:33:25 -0800 Message-Id: <20210219223325.216846-1-clime7@gmail.com> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] set ulMaxDisplayDelay cuvidec parser option to zero if low_delay flag is on X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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 Cc: Michal Novotny Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Michal Novotny * zero is recommended value in Nvidia coding samples for low latency use-cases Signed-off-by: Michal Novotny --- libavcodec/cuviddec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cuviddec.c b/libavcodec/cuviddec.c index 49775b5a09..ef5acb6b7b 100644 --- a/libavcodec/cuviddec.c +++ b/libavcodec/cuviddec.c @@ -999,7 +999,7 @@ static av_cold int cuvid_decode_init(AVCodecContext *avctx) } ctx->cuparseinfo.ulMaxNumDecodeSurfaces = ctx->nb_surfaces; - ctx->cuparseinfo.ulMaxDisplayDelay = 4; + ctx->cuparseinfo.ulMaxDisplayDelay = avctx->flags & AV_CODEC_FLAG_LOW_DELAY ? 0 : 4; ctx->cuparseinfo.pUserData = avctx; ctx->cuparseinfo.pfnSequenceCallback = cuvid_handle_video_sequence; ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode;