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 ESMTPS id B2C4B4D052 for ; Sat, 15 Feb 2025 10:18:59 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 1287B68BF5B; Sat, 15 Feb 2025 12:18:55 +0200 (EET) Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2282C68BD48 for ; Sat, 15 Feb 2025 12:18:49 +0200 (EET) Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-2fc1c80cdc8so3800438a91.2 for ; Sat, 15 Feb 2025 02:18:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1739614727; x=1740219527; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Gn/domdYGA89ljItp3hAsWf0lcvO7/xCwSSc2GJoVQc=; b=ccWuqvbIS5i3wrWU7T218c2i525fsve3Tx7wYQ1CrIDrDnacIr8Ltn2hzjXMcPEX2V xFEx5xTWQhthBmRXTxQ2/sVjk/8HmVph7dr1KLtZWMWkB3en0vSpOrOXUNIELZ5OyRmN 9acQnKe6RI1078CyH5YoXNRuHiB1uJQJDrJyfsvj+/WsX8PtQylmeg+78Vectq7VsS/m AO/71kIlnhaP7bEYxATJ8wUwZXeWHmrrZM6kPbdN1jC/+KLel2FmCFj8pOyCShGy+A79 64sLv1C7YeHWHbrh1Zw8nYNXV3I+wEwPHFSv3JY7RHU+xQClALW7IY8q4FvJet2bSn2N k7fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739614727; x=1740219527; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Gn/domdYGA89ljItp3hAsWf0lcvO7/xCwSSc2GJoVQc=; b=BFOUm9PmNs5USYQbW0CWML2GSnygE5dWIliagQgTWFdUQGzgznUvWQAUTIBFvzFE+b 0+7jna0EmJPaMf8DbrazC4dBL2zQMHqfb/LvvmagUQRpj3slCrEhfcxiaKJ9dPM7qOqH rKi7WX5ebBYZLDUmU9YBVXjZju+fyfdYz8yijNqZxJKrI8Sqpq2SpE7kwENvhvkoNfNF 2N8hQcP3iDPtV3t0ZQuxaXcvBtsZyvaglNkkdPesbsdJ2lPGf5LAUvcT4v2XyzycMQgk bkVwha19ZULldV2Kn47kCr7P8xau3nFaeFAL/JtTi4FUxXa7PIqG6EAnhVgfGcm3Ehcg FJgA== X-Gm-Message-State: AOJu0YzOgqbYf0lQ4bHkdnDZBJh/OBcPOr4rLvdPHY61rWiQIBGOocA2 XdY0JtHoL3UBpybi6FG31Iw8c99expIEvEETSAq3qx3mUj2w3ClldKGuyfsO X-Gm-Gg: ASbGncsnnuKLGyhG1Mn5JpsrbgHJsOWj/sDznL6lyjVtoRUdplskThLEMoTer9KLvnD TzH6Dm/7a5HXqKwjpC/7X+PqeqAiinZqVL8mVDuf2wepoIts+l0jZa1cOJFa3cUdgw1l0xv3X50 nmgtqaKu3GxoSy2EiAF68oANvfm83pK6bbDDdlAuL/GAm9AqGM7WlzwbIlbYFOzlpKSmZ28i7iP 0+ws4tyzl1XYhzI0Sif/exldhzNBPZ6aHYLru8oNPbJXlMbAOUWwp79tZeLHdCl7UR6+zZtGg+c eWLgpW2mT5nPhfAUncuBKG70TF781erkx7UIa4AofDBvetyZbE0w/UgabZNg4e4= X-Google-Smtp-Source: AGHT+IEOB+5D4QlMOjXPOrCfjGRcmSjdOxoB+c7eZ4N36Kdge+L89j/4rgVcIEgQ6zCr8nn4xOh4zw== X-Received: by 2002:a17:90b:3812:b0:2ee:ab04:1037 with SMTP id 98e67ed59e1d1-2fc40f22bdemr4497178a91.17.1739614726825; Sat, 15 Feb 2025 02:18:46 -0800 (PST) Received: from localhost (p2362245-ipxg00d01fukuokachu.fukuoka.ocn.ne.jp. [153.223.10.245]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2fc13ba819asm4475886a91.41.2025.02.15.02.18.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Feb 2025 02:18:46 -0800 (PST) From: otya To: ffmpeg-devel@ffmpeg.org Date: Sat, 15 Feb 2025 19:18:29 +0900 Message-Id: <20250215101829.1670367-1-otya281@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/mpeg12dec: Do not decode B-frames if dummy reference frames are allocated 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: otya 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: B-frames that cannot be decoded will be properly skipped if field pictures are used. Fixes: c85508f5a91cc0caf18ba33c941536bf8b99b81b Signed-off-by: otya --- libavcodec/mpeg12dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 0002f016e9..89faaa6f48 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -2458,7 +2458,7 @@ static int decode_chunks(AVCodecContext *avctx, AVFrame *picture, return AVERROR_INVALIDDATA; } - if (!s2->last_pic.ptr) { + if (!s2->last_pic.ptr || s2->last_pic.ptr->dummy) { /* Skip B-frames if we do not have reference frames and * GOP is not closed. */ if (s2->pict_type == AV_PICTURE_TYPE_B) { -- 2.25.1 _______________________________________________ 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".