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 EDFA4436B5 for ; Thu, 21 Jul 2022 23:40:06 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 540A468B6AC; Fri, 22 Jul 2022 02:39:55 +0300 (EEST) Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6B3B668B369 for ; Fri, 22 Jul 2022 02:39:47 +0300 (EEST) Received: by mail-pl1-f169.google.com with SMTP id g17so3233365plh.2 for ; Thu, 21 Jul 2022 16:39:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:message-id:in-reply-to:references:date:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=YG2Ueo0jW0GycGgy19XZ+62ItpaRuc1ZGAlGOPvDpaI=; b=QTOI7m8SajGapwXWDunglbvIm76GLuZz2EPo/872zKBOC5PjR8pqZI4XAfJg2LNBmN sjJDMQk6A8jWK/IKVTnE7Lycj33XXHmByv7mhucAyaml+NDNml0IoVcKjX349EAtbndN rhL9/UF3U5TxBvOpNQMHMucjzNZWGz+v9YN8fBRiIa6WIjbiBf8oKyL1Uoyj9kzPPbTi +iqDnf91T3q5HXcJ/oL6vV8ub3Ho82X9Y04duWgfzNovf7dl/r8UneF+hJ1XeHcD3eTT gMdbxVdbIYxTjm4z8IO3LWLX5WQe4BIUEh1m7sQwk5/32uE2eT6BPgVVnbBC/jjHTGt2 gB6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:message-id:in-reply-to:references:date :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=YG2Ueo0jW0GycGgy19XZ+62ItpaRuc1ZGAlGOPvDpaI=; b=bubF/MUNltLlyBUE5+JUpnJWl+X1j6Y0SGkffki5y1reED9nYjrjPONXq0Id2nTUNW TXV7PXrZER3y25UbXAFvLAd8l15xA/XieTFH+e9lJ4KOpu3kJHhDJ9rFe+QqqTLUXhD9 PQevU8kaPsP97sUTxpCZLvnMk3V4pRHZHwccRjtPp+SulstE42Qc0M2AUEKZdVX8k2jI oj4KHbD7m5X0PgmFJA6r2qmJ/3KXWJKPW5kWTM7WwTObDHGedx7mZkbHSziJxi9AYpjV 4lUzmzclz7AX+lvg0abYT88m+CY8oQNlCHCbFFkIXj/x9myUcsIxxJ4jzu+U+jBm9UHt 2Ynw== X-Gm-Message-State: AJIora8sR4meVzuIQvJqm5+hkShVm9GRYgWRrASxQIi4Cn8cazev8FLq uzh4x96U75dSWuh84FyTij4UU8xZzmg= X-Google-Smtp-Source: AGRyM1v2sw4NjeghIhfFxxXZ+3Zq9rdfyWOTqPuTmDKtTvrIDW3fbOwz4jFzLOvp1XSj3clrAKnEVg== X-Received: by 2002:a17:902:f68c:b0:16c:4eb6:913c with SMTP id l12-20020a170902f68c00b0016c4eb6913cmr871358plg.2.1658446785685; Thu, 21 Jul 2022 16:39:45 -0700 (PDT) Received: from [127.0.0.1] (master.gitmailbox.com. [34.83.118.50]) by smtp.gmail.com with ESMTPSA id t18-20020a170902d15200b0016c304612a0sm2210654plt.292.2022.07.21.16.39.45 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Jul 2022 16:39:45 -0700 (PDT) From: softworkz X-Google-Original-From: softworkz Message-Id: In-Reply-To: References: Date: Thu, 21 Jul 2022 23:39:40 +0000 Fcc: Sent MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH v3 1/4] avutil/buffer: add av_ref_from_buffer() function 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 Cc: Mark Thompson , softworkz 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: From: softworkz This allows to create AVBufferRef from AVBuffer directly. Signed-off-by: softworkz --- libavutil/buffer.c | 16 ++++++++++++++++ libavutil/buffer.h | 8 ++++++++ 2 files changed, 24 insertions(+) diff --git a/libavutil/buffer.c b/libavutil/buffer.c index 54590be566..f9df0ad6ea 100644 --- a/libavutil/buffer.c +++ b/libavutil/buffer.c @@ -100,6 +100,22 @@ AVBufferRef *av_buffer_allocz(size_t size) return ret; } +AVBufferRef *av_ref_from_buffer(AVBuffer *buf) +{ + AVBufferRef *ref = av_mallocz(sizeof(*ref)); + + if (!ref) + return NULL; + + ref->buffer = buf; + ref->data = buf->data; + ref->size = buf->size; + + atomic_fetch_add_explicit(&buf->refcount, 1, memory_order_relaxed); + + return ref; +} + AVBufferRef *av_buffer_ref(const AVBufferRef *buf) { AVBufferRef *ret = av_mallocz(sizeof(*ret)); diff --git a/libavutil/buffer.h b/libavutil/buffer.h index e1ef5b7f07..491734b9ca 100644 --- a/libavutil/buffer.h +++ b/libavutil/buffer.h @@ -139,6 +139,14 @@ AVBufferRef *av_buffer_create(uint8_t *data, size_t size, */ void av_buffer_default_free(void *opaque, uint8_t *data); +/** + * Create a new reference to an AVBuffer. + * + * @return a new AVBufferRef referring to the same AVBuffer as buf or NULL on + * failure. + */ +AVBufferRef *av_ref_from_buffer(AVBuffer *buf); + /** * Create a new reference to an AVBuffer. * -- ffmpeg-codebot _______________________________________________ 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".