From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 865F544153 for ; Mon, 29 Aug 2022 14:07:54 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B0A3068BAA8; Mon, 29 Aug 2022 17:07:35 +0300 (EEST) Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7418168BA8C for ; Mon, 29 Aug 2022 17:07:27 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id 245D6240D0E for ; Mon, 29 Aug 2022 16:07:27 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id UcjxoXzl9qOU for ; Mon, 29 Aug 2022 16:07:25 +0200 (CEST) Received: from libav.khirnov.net (libav.khirnov.net [IPv6:2a00:c500:561:201::7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "libav.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail0.khirnov.net (Postfix) with ESMTPS id 01332240D03 for ; Mon, 29 Aug 2022 16:07:24 +0200 (CEST) Received: by libav.khirnov.net (Postfix, from userid 1000) id D141E3A014F; Mon, 29 Aug 2022 16:07:18 +0200 (CEST) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Mon, 29 Aug 2022 16:07:16 +0200 Message-Id: <20220829140717.26557-2-anton@khirnov.net> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220829140717.26557-1-anton@khirnov.net> References: <20220829140717.26557-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/3] lavu/fifo: clarify interaction of AV_FIFO_FLAG_AUTO_GROW with av_fifo_can_write() X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --- libavutil/fifo.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/libavutil/fifo.h b/libavutil/fifo.h index 6c6bd78842..89872d0972 100644 --- a/libavutil/fifo.h +++ b/libavutil/fifo.h @@ -97,7 +97,13 @@ void av_fifo_auto_grow_limit(AVFifo *f, size_t max_elems); size_t av_fifo_can_read(const AVFifo *f); /** - * @return number of elements that can be written into the given FIFO. + * @return Number of elements that can be written into the given FIFO without + * growing it. + * + * In other words, this number of elements or less is guaranteed to fit + * into the FIFO. More data may be written when the + * AV_FIFO_FLAG_AUTO_GROW flag was specified at FIFO creation, but this + * may involve memory allocation, which can fail. */ size_t av_fifo_can_write(const AVFifo *f); -- 2.35.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".