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 08B1D42540 for ; Fri, 18 Mar 2022 13:15:14 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 381F668B124; Fri, 18 Mar 2022 15:15:13 +0200 (EET) Received: from srv-infra-1.infra.inf.glb.tvvideoms.com (www.inf.tvvideoms.com [213.205.126.156]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 62B6768AE56 for ; Fri, 18 Mar 2022 15:15:06 +0200 (EET) Received: from cji.paris (unknown [172.16.3.159]) by srv-infra-1.infra.inf.glb.tvvideoms.com (Postfix) with ESMTP id 0138A21687; Fri, 18 Mar 2022 13:15:05 +0000 (UTC) From: Nicolas Gaullier To: ffmpeg-devel@ffmpeg.org Date: Fri, 18 Mar 2022 14:15:04 +0100 Message-Id: <20220318131504.18488-1-nicolas.gaullier@cji.paris> X-Mailer: git-send-email 2.34.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v2] lavf/mpegenc: fix memory leak in the fifo since the new API 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: Nicolas Gaullier 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: The older av_fifo_realloc2 implemented an auto grow that should be ported as such. This introduces a limitation in the buffer size. AUTO_GROW_DEFAULT_BYTES is currently 1MB which seems reasonable here. Fix regressing since ea511196a6c85eb433e10cdbecb0b2c722faf20d Signed-off-by: Nicolas Gaullier --- libavformat/mpegenc.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index cc47a43288..ba0b5d813a 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -461,7 +461,7 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx) av_get_media_type_string(st->codecpar->codec_type), i); return AVERROR(EINVAL); } - stream->fifo = av_fifo_alloc2(16, 1, 0); + stream->fifo = av_fifo_alloc2(16, 1, AV_FIFO_FLAG_AUTO_GROW); if (!stream->fifo) return AVERROR(ENOMEM); } @@ -1151,7 +1151,7 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt) StreamInfo *stream = st->priv_data; int64_t pts, dts; PacketDesc *pkt_desc; - int preload, ret; + int preload; const int is_iframe = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags & AV_PKT_FLAG_KEY); @@ -1207,10 +1207,6 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt) pkt_desc->unwritten_size = pkt_desc->size = size; - ret = av_fifo_grow2(stream->fifo, size); - if (ret < 0) - return ret; - if (s->is_dvd) { // min VOBU length 0.4 seconds (mpucoder) if (is_iframe && -- 2.34.0 _______________________________________________ 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".