From patchwork Mon Feb 22 18:05:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: clime X-Patchwork-Id: 25899 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 7062944A174 for ; Mon, 22 Feb 2021 20:28:52 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 4114768AA64; Mon, 22 Feb 2021 20:28:52 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2D62568A107 for ; Mon, 22 Feb 2021 20:28:46 +0200 (EET) Received: by mail-wr1-f53.google.com with SMTP id v15so20131342wrx.4 for ; Mon, 22 Feb 2021 10:28:46 -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=MdyxgH/Gtxrbz0j1oIBFO7EtISJG/c9DrM7kJmCNk+0=; b=pVHIk5PsD1dUBdziX09eKYQGow8AkS2fa47kKqo1l1XqOqyi8vJl1DAAR86OhhqKPc uUFQSL3Dofr6LT3nr57iXYvkO45VIrTpjl6IpY76/+XTPl4dR62B6Mzgjm4uwCigzlIe o0FkOiwx+W7u5gE1EUE+fRZHCyKIbZO7s1aX3WP7zR6PkBUj+AloROiTfTis2Dy18csx z4Vi07DgdzrOG2/bNQ1u8GQMtIj87o5+ITYj/gsSVOtzs4I8eGg7bXH6Ls2WwiiRRGcA cnYT80ZfbCiNyI2ByHaQCaJJLufe4UsLsHqSH5Wn1VYWhkZZqMk9n20SjbvO4wE65NNq +SZg== 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=MdyxgH/Gtxrbz0j1oIBFO7EtISJG/c9DrM7kJmCNk+0=; b=GMdqGB6nJ2cYUWNVu0TSiVJZDcBHgkv4tEe9NVGVA8KrfIuHSc4Foh365mSQ4Dv88Z YLf9JCuCceveyCaR/QVfUK65MYwbNrnpODfTzMy5s04cwa37hWxC4OPfHzBCEAaLBB1A /3OjJwSeoBpeNaw2fk9ZOZ4hAWpPztI1h1uuHG3CL0RAR6sqDV98fSvnVxYWKA8iaOVI rb1d+JwN5p+tlD074Q8qY9Y8/Iu9JALIQilkSDklOt7ZZsQQ1ZeHiZetSDTa6idl6SFC Q6MB/vwWTqDfXtAWvLj56n9QSkqJuM9g1s262kZ1+One9h6yrURscrFnEEZ5/s9bzThN HEfw== X-Gm-Message-State: AOAM531H6UCRhl4tjX5SRkAHLJI+ueSzPZue08gW5apdQmlIyN4KRvXX m167CWymFu+7C5rBQQ8d7MdTCvZwjMVkBA== X-Google-Smtp-Source: ABdhPJwDM2sF5SJCiQ3a1C4mQIaQCBLxKD8orUNHCo7rL3l8uGcVXLNyDmTkDaQBFzbKmhQZwZn24w== X-Received: by 2002:adf:db44:: with SMTP id f4mr9173291wrj.323.1614017163179; Mon, 22 Feb 2021 10:06:03 -0800 (PST) Received: from BRIDGE-LIVE.localdomain (comprimato-nat.vtp.fi.muni.cz. [78.128.215.16]) by smtp.gmail.com with ESMTPSA id d7sm17819998wrm.62.2021.02.22.10.06.02 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Feb 2021 10:06:02 -0800 (PST) From: clime To: ffmpeg-devel@ffmpeg.org Date: Mon, 22 Feb 2021 10:05:46 -0800 Message-Id: <20210222180546.136572-1-clime7@gmail.com> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] set ulMaxDisplayDelay cuviddec 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..ec57afdefe 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;