From patchwork Sun Mar 21 12:44:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Playfair Cal X-Patchwork-Id: 26520 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 288FC44B436 for ; Sun, 21 Mar 2021 14:51:33 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id F3F9A68A82B; Sun, 21 Mar 2021 14:51:32 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-oi1-f176.google.com (mail-oi1-f176.google.com [209.85.167.176]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id CA6DD6806FE for ; Sun, 21 Mar 2021 14:51:26 +0200 (EET) Received: by mail-oi1-f176.google.com with SMTP id d12so10174810oiw.12 for ; Sun, 21 Mar 2021 05:51:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cCFQkr5Me4Prw2lvkP718itWipzHfjADzXnlDYoQgZA=; b=Gr/KUIFjN/+MZlsmZV1MeMIf4z5GC5zD0pHRLvLtaR1BCde/LI0gCklmiEJ/rUS6Av nod4nSYQDxivzW6fjv1n/JC3Vu/+v7B0UAcBBv7kGLb6VLTLDLoWBPdN+A612SD5zt3e FgVwdMO7/O7Camx1CFf5KtbPQ35lJY1Rfv9sNK05nUQ/9CP7xhXEXfBPW9O0BlE4Lqtm edDN4cXVD61k/7pHtp9IBMTwC9qpfefDc0UJMVq2PQOZyM867d0q8diueBVPwLdMbGeX zR+3zdMRy7THI4a1UbselzE0lsIfONaFfJjKD/HWbQ5Lgp7Sd2oH4RSyO5u9oT7UP1I1 9vFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cCFQkr5Me4Prw2lvkP718itWipzHfjADzXnlDYoQgZA=; b=jth4OD1TyNbE411Jo0uMQDUHvVKRHMHYtHn15v4yzT+IV04RqwOsWaRWZkZb3XYB3N 29qJMQNDjCRJyU7YBEykuiIgZ/IBfInHfmMqEowkt0F2Z7VA+nS/FWe3BP14yGWTik05 dQkGry2bGLdI9TDobmDdOzl3q1zJlgdo/y/Vfj2aSp8CzU6LrDxfbtbiIOfLxl8nWOlK wXHl/+y+cKFOEGvZVPRuxAGdobDKdeT6HMeQqGqrp+j2SS0Ht8JCSE+hE69HfjO6+IzX VfjZhfj+uJGQfolyoEzL47YZ8TjiSg2/13cclPs7Q0v7+xB5WKEnbHkdH0Qs89qkwQs1 u5PQ== X-Gm-Message-State: AOAM530Wl9hoXxcUCt8R2ePXw46dUT38uyRIjydB/BN/zYFAqMMH2FVI O4pvToo0Bxm16i6nMw1CCl/wD6U6GwdNvw== X-Google-Smtp-Source: ABdhPJyQcqtjaFuWWS8zV+RxbHNUwRZD1mPziXjIXLIPE6rk+dnwC9jAYcdEbvsiMqOO13d9Q43r6A== X-Received: by 2002:a17:90a:6c22:: with SMTP id x31mr8346061pjj.213.1616330711658; Sun, 21 Mar 2021 05:45:11 -0700 (PDT) Received: from localhost.localdomain (110-175-121-4.static.tpgi.com.au. [110.175.121.4]) by smtp.gmail.com with ESMTPSA id x11sm13334158pjh.0.2021.03.21.05.45.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Mar 2021 05:45:11 -0700 (PDT) From: Daniel Playfair Cal To: ffmpeg-devel@ffmpeg.org Date: Sun, 21 Mar 2021 23:44:13 +1100 Message-Id: <20210321124414.1223626-3-daniel.playfair.cal@gmail.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210321124414.1223626-1-daniel.playfair.cal@gmail.com> References: <20210321124414.1223626-1-daniel.playfair.cal@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 3/4] avfilter/vf_v360: fix visibility test for fisheye 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 Cc: Daniel Playfair Cal Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Previously the visibility test referred to a circle in the input. This changes it so that it refers accurately to the entire area in the input. Signed-off-by: Daniel Playfair Cal --- libavfilter/vf_v360.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c index be886e9bb1..68bb2f7b0f 100644 --- a/libavfilter/vf_v360.c +++ b/libavfilter/vf_v360.c @@ -2887,7 +2887,7 @@ static int xyz_to_fisheye(const V360Context *s, float uf = vec[0] / lh * phi / s->iflat_range[0]; float vf = vec[1] / lh * phi / s->iflat_range[1]; - const int visible = hypotf(uf, vf) <= 0.5f; + const int visible = -0.5f < uf && uf < 0.5f && -0.5f < vf && vf < 0.5f; int ui, vi; uf = (uf + 0.5f) * width;