From patchwork Fri Feb 19 22:18:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: clime X-Patchwork-Id: 25818 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 46B8944A773 for ; Sat, 20 Feb 2021 00:18:45 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0FF7468A903; Sat, 20 Feb 2021 00:18:45 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-yb1-f172.google.com (mail-yb1-f172.google.com [209.85.219.172]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id CE20968A7DD for ; Sat, 20 Feb 2021 00:18:38 +0200 (EET) Received: by mail-yb1-f172.google.com with SMTP id c131so6988103ybf.7 for ; Fri, 19 Feb 2021 14:18:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=edHQ8lCm3QGlO3CqwItKpvyQ6pEpzHO16sKbcW61SLI=; b=u43ZtUV1Xqrq9vBGARLEchDnq9WebgqvBPL4lbUrHTb1Vp2go75OBiSBjdOhyseY+D LcE07FJqbd4/2zZcwJ4GPaHbhZjZr81JthpIUZaxaW1040tDvzMjZf41NRC4dLR5JXzt tHKddRyxHpSm0WzDvt+l4l2DBnLy6WfQ8BEZDKQ2Wl1lhsATIytqd8YGb2NdNKbhZt4e 3AOArt2Xo4J0z/lUWXUhmw16faDMM+cY5wi5dxsZd54hwws5H8GEaluKx0kXilblOMKN 60AVrcUZYogqFEeYmdcFJl39f3/7ue3pTxsO9/tQEYuOtU/7BtTl6fjRw1gEzC1/EJhs rsow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=edHQ8lCm3QGlO3CqwItKpvyQ6pEpzHO16sKbcW61SLI=; b=RM77169XRTR+yd7u6mNSvZ69T888pMFbeprmbrEDi7L6yeDf3HV/XapFtFI9bL+RID ruXRCYJdGJI/Ze0j6YRwk+cLujDBG6hSa9yVS97NIzlb1/Zs8ZO7L9/xk1avGnG8pubN LQ4AatTaa3f9Y2re9K2GvrMNP7uUyZ0I0GYr3MxurJZMnH2/zqnuG+Y926FW9SQlU9cs J3jxTEcM5hmCDg8c/cYJCwOQWcoihT+wdmPTgpHJx5UykhNsiYLmUq2VWmi54JYiqXCy gUiHjrgxi4MyJKp401wQjnaxR0U1BRjIEvACq/GC93RFFGf0VZbBJwKo98jnw2fOsX4J 83sg== X-Gm-Message-State: AOAM532b4CrCEgyCfX8JQRbZmkhBArzmLISSCEnyfNPrwpbLXAcscggi RVJKA6DV9OfP4igUmlXx56zjRrFH7Q2aG02CKpAn10moY0o= X-Google-Smtp-Source: ABdhPJxHbopg1H3J69SZ8d91MW2QS+uKEJd5QfN/AeB5R/OCid7KnS6z+2t05P3AmZP/2n0NAvGqzPKf283u5U90HkA= X-Received: by 2002:a25:287:: with SMTP id 129mr16434403ybc.402.1613773117261; Fri, 19 Feb 2021 14:18:37 -0800 (PST) MIME-Version: 1.0 References: <1613772778-17237-1-git-send-email-root@clime.cz> In-Reply-To: <1613772778-17237-1-git-send-email-root@clime.cz> From: clime Date: Fri, 19 Feb 2021 23:18:26 +0100 Message-ID: To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] Fwd: [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 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 --- libavcodec/cuviddec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ctx->cuparseinfo.pfnDecodePicture = cuvid_handle_picture_decode; -- 2.30.1 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;