From patchwork Fri Apr 3 15:14:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 18595 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 1A63144B940 for ; Fri, 3 Apr 2020 18:20:31 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id F3D4E68AFA0; Fri, 3 Apr 2020 18:20:30 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 997E8688200 for ; Fri, 3 Apr 2020 18:20:29 +0300 (EEST) IronPort-SDR: RrVc8mRAuPct1psnsMm23f7pYav9mlPOwuNgRM8nueAypleTXXHnhcuf6pUTw44fj9y0LBs4r4 a4x4xToJIBOA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2020 08:20:27 -0700 IronPort-SDR: Yhbq4aBEtTUVMfaAVmv4g16ndOteFpuT0gUKrHld45pLnQWkaDz5ihuw77jhX55R8KOAibL+m6 M6kNUr0VnbOw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,340,1580803200"; d="scan'208";a="273984152" Received: from unknown (HELO icl-dev.sh.intel.com) ([10.239.158.73]) by fmsmga004.fm.intel.com with ESMTP; 03 Apr 2020 08:20:26 -0700 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Fri, 3 Apr 2020 23:14:01 +0800 Message-Id: <1585926841-23112-1-git-send-email-linjie.fu@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [FFmpeg-devel] [PATCH 05/10] lavc/libopenh264enc: prompt slice number changing according to cpus 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: Linjie Fu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Libopenh264enc would set the slice according to the number of cpu cores if uiSliceNum equals to 0 (auto) in SM_FIXEDSLCNUM_SLICE mode. Prompt a warning for user to catch this. Signed-off-by: Linjie Fu --- libavcodec/libopenh264enc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c index dab8244..01a85fb 100644 --- a/libavcodec/libopenh264enc.c +++ b/libavcodec/libopenh264enc.c @@ -237,6 +237,9 @@ FF_ENABLE_DEPRECATION_WARNINGS param.sSpatialLayers[0].sSliceCfg.uiSliceMode = s->slice_mode; param.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceNum = avctx->slices; #endif + if (avctx->slices == 0 && s->slice_mode == SM_FIXEDSLCNUM_SLICE) + av_log(avctx, AV_LOG_WARNING, "Auto slice number, " + "default to use the number of CPU cores: %d\n", av_cpu_count()); if (s->slice_mode == SM_SIZELIMITED_SLICE) { if (s->max_nal_size) {