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 5E65546A8C for ; Sun, 2 Jul 2023 17:53:24 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 67A6C68C3BC; Sun, 2 Jul 2023 20:53:22 +0300 (EEST) Received: from iq.passwd.hu (iq.passwd.hu [217.27.212.140]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id C4E2568ABA6 for ; Sun, 2 Jul 2023 20:53:16 +0300 (EEST) Received: from localhost (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id D5A08E8BBE for ; Sun, 2 Jul 2023 19:50:32 +0200 (CEST) X-Virus-Scanned: amavisd-new at passwd.hu Received: from iq.passwd.hu ([127.0.0.1]) by localhost (iq.passwd.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id I5NWwUyOd5E7 for ; Sun, 2 Jul 2023 19:50:30 +0200 (CEST) Received: from iq (iq [217.27.212.140]) by iq.passwd.hu (Postfix) with ESMTPS id 848FDE55D1 for ; Sun, 2 Jul 2023 19:50:30 +0200 (CEST) Date: Sun, 2 Jul 2023 19:50:30 +0200 (CEST) From: Marton Balint To: FFmpeg development discussions and patches In-Reply-To: <20230627193932.26051-1-cus@passwd.hu> Message-ID: <8aba819-1ccd-1cb5-128-4288e5df183@passwd.hu> References: <20230627193932.26051-1-cus@passwd.hu> MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [PATCH] avcodec/mpeg12dec: ignore picture start code in extradata for AVID mpeg2 files 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Tue, 27 Jun 2023, Marton Balint wrote: > AVID IMX MPEG2 files in MOV seems to have extradata like this: > > 00000000: 0000 0018 4143 4c52 4143 4c52 3030 3031 ....ACLRACLR0001 > 00000010: 0000 0001 0000 0000 ........ > Will apply. Regards, Marton > Signed-off-by: Marton Balint > --- > libavcodec/mpeg12dec.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c > index 27c862ffb2..27b45c6fc4 100644 > --- a/libavcodec/mpeg12dec.c > +++ b/libavcodec/mpeg12dec.c > @@ -2522,6 +2522,11 @@ static int decode_chunks(AVCodecContext *avctx, AVFrame *picture, > } > picture_start_code_seen = 1; > > + if (buf == avctx->extradata && avctx->codec_tag == AV_RL32("AVmp")) { > + av_log(avctx, AV_LOG_WARNING, "ignoring picture start code in AVmp extradata\n"); > + break; > + } > + > if (s2->width <= 0 || s2->height <= 0) { > av_log(avctx, AV_LOG_ERROR, "Invalid frame dimensions %dx%d.\n", > s2->width, s2->height); > -- > 2.35.3 > > _______________________________________________ > 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". > _______________________________________________ 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".