From patchwork Thu Jan 10 20:52:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carl Eugen Hoyos X-Patchwork-Id: 11695 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 8C75D44D179 for ; Thu, 10 Jan 2019 22:52:58 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id AA5DD68A488; Thu, 10 Jan 2019 22:52:46 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-it1-f178.google.com (mail-it1-f178.google.com [209.85.166.178]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 1167168A1A6 for ; Thu, 10 Jan 2019 22:52:40 +0200 (EET) Received: by mail-it1-f178.google.com with SMTP id g85so776349ita.3 for ; Thu, 10 Jan 2019 12:52:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=RnojiSEpFLkuwkrdC7oHhUA36YCfmxvGP7401YdZBOo=; b=u5HxI1yTboV6AFKdSx1rEvMBbQcqMm3wA3Ym6+1W63iSYcl+0R/kisIcEYmLhfiFSf eWKgfmYk5aIEUJLWQvyitofjCARMXVcBTPAXCFcgnwTzQhUY9thRYHZfed/vMAOPKIDa zDPK6NiMoZpLss0Qb/rET/epbGGN7fHpZ9YkBtJtTi0/12Uv7BYa/nlCzsydbuwRfPcx kZjfU+8RaTV2SRkpH6xeqCxQzeSNpcoR1fxtFcfpgHXJ0fhNnzhh+ANqdPxMVSG8JiCd FQBlZZYkf8ixogoFyWYV/aoGKI/kzk9+nclL9nWg0Mv8LwRDnih/HYS6y8bFSiAVRhUz qLJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=RnojiSEpFLkuwkrdC7oHhUA36YCfmxvGP7401YdZBOo=; b=OWL73OiP3Uo/s1Iy3vAEAISGqzNuXcODc7bISoF2wBp9sV+25eTRWpIxv7Emo1NzYt Loz8fHh94fInIy17Vxtm1QvHrm5qHyNYmfvhhF+5TI7rUkKsDlgGvyjvRVQivdY4vUUZ N67KpJALCIoxQRuXxwooznRcmr5bDrCXP2Tgye475J67J+wZ5wRNWiPAN7H+1zQ6dSeL WLUKsQ3JEACur/IGxXEaIJF9OKD41mHbZE+RrftJDaD25zEkj/QuDK2qVtWiTSZiczTX WB8V1KI/fkiRtGWJULqqVqFEROWgRl2ISUh1fE2WfTyl6c1szkjY8veYGnPJQQyCSyuK 0h1w== X-Gm-Message-State: AJcUukccy/wSI8+fogx2VmKW9bviZ3pnMhOGiUZpYTkFsSyikuCD8dU6 kdknNgbDS/HRY9kRmo7TSuvGNu8Nmx4zfrycbe8k6g== X-Google-Smtp-Source: ALg8bN4hHnrNCZ41L3gaChD/8kdlCrk9hbX7OEpG3oaBXW0OdV800szpKnoh6ZQQaIFZHmIrOCVJYhPWDRqjur4vfek= X-Received: by 2002:a02:48c6:: with SMTP id p189mr7636204jaa.89.1547153570337; Thu, 10 Jan 2019 12:52:50 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a02:5f11:0:0:0:0:0 with HTTP; Thu, 10 Jan 2019 12:52:49 -0800 (PST) From: Carl Eugen Hoyos Date: Thu, 10 Jan 2019 21:52:49 +0100 Message-ID: To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH]lavc/qsvenc: Clip the bitrate, Intel limits it to 65535k 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" Hi! Attached untested patch tries to limit the effects of setting a high bitrate for qsv. Works around ticket #7663. Please comment, Carl Eugen From 9c51b260a0c65fe7fbf18ac5235f3336be66502c Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Thu, 10 Jan 2019 21:50:04 +0100 Subject: [PATCH] lavc/qsvenc: Clip the bitrate, Intel limits it to 65535k. Work-around for ticket #7663. --- libavcodec/qsvenc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index e3b5a72..e7083eb 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -558,10 +558,10 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) #if QSV_HAVE_VCM case MFX_RATECONTROL_VCM: #endif - q->param.mfx.BufferSizeInKB = avctx->rc_buffer_size / 8000; - q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy / 1000; - q->param.mfx.TargetKbps = avctx->bit_rate / 1000; - q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000; + q->param.mfx.BufferSizeInKB = FFMIN(UINT16_MAX, avctx->rc_buffer_size / 8000); + q->param.mfx.InitialDelayInKB = FFMIN(UINT16_MAX, avctx->rc_initial_buffer_occupancy / 1000); + q->param.mfx.TargetKbps = FFMIN(UINT16_MAX, avctx->bit_rate / 1000); + q->param.mfx.MaxKbps = FFMIN(UINT16_MAX, avctx->rc_max_rate / 1000); break; case MFX_RATECONTROL_CQP: quant = avctx->global_quality / FF_QP2LAMBDA; -- 1.7.10.4