From patchwork Sun Feb 21 09:43:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carl Eugen Hoyos X-Patchwork-Id: 25855 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 341E844B827 for ; Sun, 21 Feb 2021 11:43:21 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0ADAC68A492; Sun, 21 Feb 2021 11:43:21 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 80207689F8E for ; Sun, 21 Feb 2021 11:43:14 +0200 (EET) Received: by mail-pl1-f178.google.com with SMTP id f8so5810457plg.5 for ; Sun, 21 Feb 2021 01:43:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=RK8z/no0ZKsImFdAw3YRo7IUgNyeILkOGPpR6yAuxag=; b=Yo3FHBpf1X+dsnt4HTBXIkf6bi8Ju3lfuYIV3EEjpA6qA+EgE6RoU0jHiJ5DjE8WYc txX2QM2I54JEnK9BK9MfBe0NaQu7l4TBFRusESed+K7UW3fkXdudapWZNstXdBSaSArO rdjtda5qq2lnIuMQNwehhVK1LJCiw/R58A4WmR+zCDPh77Ki/Nhg8W1PueW6phFbpC9k H+HvvhdbwXup/G+LmfXqAWjD1fBisb/22uIlGksdNa/tFGGQqscRYfbpBMt8YPtxFPnz 5BsFSKFNJOudZUkW7m5KNsaZDha5mZT43WC14ok5Fy3Pkq9F846PupmxCx9rFDZ+t3be wrTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=RK8z/no0ZKsImFdAw3YRo7IUgNyeILkOGPpR6yAuxag=; b=pXOhcO7R450NrX5yxkrGWgqTJQSvo4BT4my2lnJnHCcVuHZN1v+VKwo7Hbo/CWxfV0 kyoKf3HFg4ZSkpZH8uq3VTGHhqODEnOviDN3fFUBq7QyD4J0mJyIFKm13yzy8MRkzgSp ay2wsYCwaNeVT4HNjAIa5NTwRDk8Gd38gghp/8BxC0R187vMBfXVmAPT2WycjhyaK8K8 2wtChY9vvRvub18OzFNpV7HbC309gOgYrC2NWt2MEKoMDw7kQbqPbScehbggwlv0+/ve T4kN+nFGTIJOQdNRMi4Kzcp64v2U0RkanZb3ULLRxVwq1EYBAr0pE611OpaxD93risIZ j54Q== X-Gm-Message-State: AOAM530Ysy/DyfMyjjXg3Hpy4sjJjClEp2ToaHJj5w6t59aXBSdKf99x FmuJo1ORtDv/mhzF9wuVcuARhahkx8ief9fKgv1vDYRpE54zOQ== X-Google-Smtp-Source: ABdhPJxXcCCwH/HSIoh3gakZVqh93VFtmSV13fNsNsIDMEkzL1nRjeM3oHDNcowxJjFvPUGHkhR1TQ1qAaRYKarfIQs= X-Received: by 2002:a17:902:ac88:b029:e3:8a26:35bb with SMTP id h8-20020a170902ac88b02900e38a2635bbmr16983188plr.45.1613900592692; Sun, 21 Feb 2021 01:43:12 -0800 (PST) MIME-Version: 1.0 From: Carl Eugen Hoyos Date: Sun, 21 Feb 2021 10:43:01 +0100 Message-ID: To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH]lavf/imx: Do not probe number of frames X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Hi! The Simbiosis IMX probe function looks strict enough, do not check for a field that does not cause decoding to fail. Please comment, Carl Eugen Subject: [PATCH] lavf/imx: Do not probe number of frames. The field never causes decoding to fail. --- libavformat/imx.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/libavformat/imx.c b/libavformat/imx.c index 66f18177a5..bcf3a16d38 100644 --- a/libavformat/imx.c +++ b/libavformat/imx.c @@ -38,8 +38,6 @@ static int simbiosis_imx_probe(const AVProbeData *p) { if (AV_RL32(p->buf) != IMX_TAG) return 0; - if (AV_RN32(p->buf+4) == 0) - return 0; if (AV_RN16(p->buf+8) == 0) return 0; if (AV_RL16(p->buf+10) != 0x102)