From patchwork Sun Nov 17 12:52:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleg Dobkin X-Patchwork-Id: 16304 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 EB673445B66 for ; Sun, 17 Nov 2019 14:57:59 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CC14E68A0F1; Sun, 17 Nov 2019 14:57:59 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wr1-f68.google.com (mail-wr1-f68.google.com [209.85.221.68]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6C72F68A0B0 for ; Sun, 17 Nov 2019 14:57:53 +0200 (EET) Received: by mail-wr1-f68.google.com with SMTP id a15so16257564wrf.9 for ; Sun, 17 Nov 2019 04:57:53 -0800 (PST) DKIM-Signature: v=1; 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Sun, 17 Nov 2019 04:52:33 -0800 (PST) Received: from localhost.localdomain ([31.154.171.234]) by smtp.gmail.com with ESMTPSA id w18sm18872962wrl.2.2019.11.17.04.52.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2019 04:52:33 -0800 (PST) From: Oleg Dobkin To: ffmpeg-devel@ffmpeg.org Date: Sun, 17 Nov 2019 14:52:28 +0200 Message-Id: <20191117125228.7977-1-olegd@anyvision.co> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH] Add cuDevicePrimaryCtxRetain and cuDevicePrimaryCtxRelease 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: Oleg Dobkin MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" These functions can be used to create HW cuda device using primary contexts - which is the preferred approach. --- include/ffnvcodec/dynlink_cuda.h | 2 ++ include/ffnvcodec/dynlink_loader.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/include/ffnvcodec/dynlink_cuda.h b/include/ffnvcodec/dynlink_cuda.h index 5c85e0d..bf0ed9f 100644 --- a/include/ffnvcodec/dynlink_cuda.h +++ b/include/ffnvcodec/dynlink_cuda.h @@ -331,6 +331,8 @@ typedef CUresult CUDAAPI tcuMemcpy2DAsync_v2(const CUDA_MEMCPY2D *pcopy, CUstrea typedef CUresult CUDAAPI tcuGetErrorName(CUresult error, const char** pstr); typedef CUresult CUDAAPI tcuGetErrorString(CUresult error, const char** pstr); typedef CUresult CUDAAPI tcuCtxGetDevice(CUdevice *device); +typedef CUresult CUDAAPI tcuDevicePrimaryCtxRetain(CUcontext *pctx, CUdevice dev); +typedef CUresult CUDAAPI tcuDevicePrimaryCtxRelease(CUdevice dev); typedef CUresult CUDAAPI tcuStreamCreate(CUstream *phStream, unsigned int flags); typedef CUresult CUDAAPI tcuStreamQuery(CUstream hStream); diff --git a/include/ffnvcodec/dynlink_loader.h b/include/ffnvcodec/dynlink_loader.h index a1fa323..f471200 100644 --- a/include/ffnvcodec/dynlink_loader.h +++ b/include/ffnvcodec/dynlink_loader.h @@ -157,6 +157,8 @@ typedef struct CudaFunctions { tcuGetErrorName *cuGetErrorName; tcuGetErrorString *cuGetErrorString; tcuCtxGetDevice *cuCtxGetDevice; + tcuDevicePrimaryCtxRetain *cuDevicePrimaryCtxRetain; + tcuDevicePrimaryCtxRelease *cuDevicePrimaryCtxRelease; tcuStreamCreate *cuStreamCreate; tcuStreamQuery *cuStreamQuery; @@ -282,6 +284,8 @@ static inline int cuda_load_functions(CudaFunctions **functions, void *logctx) LOAD_SYMBOL(cuGetErrorName, tcuGetErrorName, "cuGetErrorName"); LOAD_SYMBOL(cuGetErrorString, tcuGetErrorString, "cuGetErrorString"); LOAD_SYMBOL(cuCtxGetDevice, tcuCtxGetDevice, "cuCtxGetDevice"); + LOAD_SYMBOL(cuDevicePrimaryCtxRetain, tcuDevicePrimaryCtxRetain, "cuDevicePrimaryCtxRetain"); + LOAD_SYMBOL(cuDevicePrimaryCtxRelease, tcuDevicePrimaryCtxRelease, "cuDevicePrimaryCtxRelease"); LOAD_SYMBOL(cuStreamCreate, tcuStreamCreate, "cuStreamCreate"); LOAD_SYMBOL(cuStreamQuery, tcuStreamQuery, "cuStreamQuery");