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 86A7C4B241 for ; Tue, 2 Jul 2024 04:51:38 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id B5FD068D8B4; Tue, 2 Jul 2024 07:51:35 +0300 (EEST) Received: from mail-ej1-f49.google.com (mail-ej1-f49.google.com [209.85.218.49]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 270E468D655 for ; Tue, 2 Jul 2024 07:51:29 +0300 (EEST) Received: by mail-ej1-f49.google.com with SMTP id a640c23a62f3a-a6cb130027aso208578166b.2 for ; Mon, 01 Jul 2024 21:51:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719895888; x=1720500688; darn=ffmpeg.org; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=pNomqkwjTXW/JkKEq9mP4SlxweBbYGHKwo4BkCTCkrY=; b=F+eVkE6FpKYfXX+Mpno0zyu1YiFWpp7QHGiqxLymraKry1OwVOuwA889ZDVfenivL6 L9frYqFiSvKVmNjYqTua3DQQoaCArQhPA9uBzhvX5xBWjoUFcWZQleaHXs3mGPXKsOCH N+WKISZooGC8+rLUI3Olnx+wK0HzhVLOhKbvyec2pmfjVg9F/4WhfwuCZbTc8MP+KRwa JL8tdlbuv/BLFXJE5B3YAKxUxdkqXarOgad6yN40BanJnGxHHubc11FPK/cbHdSZ/7zg UdrNndlOnQL0mYx4N5PH8uElewooFTs4N05SPdzlDl15Mw3jafU8WKmrsCwLnMto85qZ h1hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719895888; x=1720500688; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pNomqkwjTXW/JkKEq9mP4SlxweBbYGHKwo4BkCTCkrY=; b=YLhrLD1QmbU/+fkTRG8WjSy5CrP1POG6q3w0RGQNfTpwH7lTseegpMK30MVpF7v5PS ldXQpJ6HZORyOsEXz1ilRabdmXfRpV4hg+5+QPouPfEy2BR5XaE4i0hJJ37EGcllmLdy BPJ9OjBrX9xj6ozx7YKamPE7md1DeWHCbN8miNgRvoCmbEOs//ihiFFq4UbbmPD6X4yY 3/MKw5wYPqOU1h2+Bhkt6Te/8XRSM6lAyoEMfG4Swiw/s9PGR0xouQuhlS5Aaacq60DJ fFyawUX8/kqZI+j6T/cdTpfXQBirXCuYpWGypUUq9NElhWOZ1qlRdrLdNOGNy9P8wEB1 G9LA== X-Gm-Message-State: AOJu0YxHJkek5IWU5yrFlICfX9DMeE16qWG0UkuYNpE/Cs+virPU9dUF iBLogJVtIpndgigB8EdThAmjnd49OdIKK7P/5JuPB/X5l5ET0FanpMPO+eCBFcqaZ+0yKyGV+CQ VR9G9EwQ9D9zIGwgkw7+rUlI/DrQXmSji X-Google-Smtp-Source: AGHT+IH9OKduvOl69Ft5wgWj0cP/FL3mcJYlEW6VtPNK/uO0S/RPR6McfzFPHotNTN1u4WaopVF4L012vn6pFdVE4KU= X-Received: by 2002:a05:6402:5cd:b0:57d:55a2:73f1 with SMTP id 4fb4d7f45d1cf-587a0822c41mr5418271a12.34.1719895887895; Mon, 01 Jul 2024 21:51:27 -0700 (PDT) MIME-Version: 1.0 References: <20240701133923.GF4991@pb2> <2e923434-4c36-4921-b728-acdc4dd39233@rothenpieler.org> <20240701201931.GI4991@pb2> <20240701210000.GJ4991@pb2> In-Reply-To: <20240701210000.GJ4991@pb2> From: Vittorio Giovara Date: Tue, 2 Jul 2024 06:51:16 +0200 Message-ID: To: FFmpeg development discussions and patches X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [FFmpeg-devel] [RFC] av_rescale() coverity 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: T24gTW9uLCBKdWwgMSwgMjAyNCBhdCAxMTowMOKAr1BNIE1pY2hhZWwgTmllZGVybWF5ZXIgPG1p Y2hhZWxAbmllZGVybWF5ZXIuY2M+Cndyb3RlOgoKPiBPbiBNb24sIEp1bCAwMSwgMjAyNCBhdCAx MDoxOTozMVBNICswMjAwLCBNaWNoYWVsIE5pZWRlcm1heWVyIHdyb3RlOgo+ID4gT24gTW9uLCBK dWwgMDEsIDIwMjQgYXQgMDg6NTA6MjRQTSArMDIwMCwgVGltbyBSb3RoZW5waWVsZXIgd3JvdGU6 Cj4gPiA+IE9uIDAxLjA3LjIwMjQgMTU6MzksIE1pY2hhZWwgTmllZGVybWF5ZXIgd3JvdGU6Cj4g PiA+ID4gSGkgYWxsCj4gPiA+ID4KPiA+ID4gPiBjb3Zlcml0eSBzZWVtcyB0byBoYXZlIHN0YXJ0 ZWQgdG8gZG8gYSBuZXcgdGhpbmcuIE5hbWVseSBpZiB0aGVyZXMgYQo+ID4gPiA+IHJldHVybiBz dGF0ZW1lbnQgaXQgYXNzdW1lcyBpdCBjYW4gaW5kZXBlbmRhbnQgb2YgZXZlcnl0aGluZyBvY2N1 cnIKPiA+ID4gPgo+ID4gPiA+IGFuIGV4YW1wbGUgd291bGQgYmUgYXZfcmVzY2FsZSgpIHdoaWNo IG9uIG92ZXJmbG93IHJldHVybnMgSU5UNjRfTUlOCj4gPiA+ID4KPiA+ID4gPiBhbHNvIHdpdGgg dGhlIHJpZ2h0IGZsYWdzIGF2X3Jlc2NhbGUoKSB3aWxsIHBhc3MgSU5UNjRfTUlOIGFuZAo+IElO VDY0X01BWCB0aHJvdWdoCj4gPiA+ID4gZnJvbSB0aGUgaW5wdXQKPiA+ID4gPgo+ID4gPiA+IFNv IGNvdmVyaXR5IHNpbmNlIGEgZmV3IGRheXMgc2VlbXMgdG8gdHJlYXQgZXZlcnkgYXZfcmVzY2Fs ZSgpIGNhbGwKPiBhcyBpZiBpdCByZXR1cm5zCj4gPiA+ID4gSU5UNjRfTUlOIGFuZCBJTlQ2NF9N QVguIGNvdmVyaXR5IGRvZXNudCBjYXJlIGlmIHRoYXQgcmV0dXJuCj4gc3RhdGVtZW50IGlzIHJl YWNoYWJsZSBvcgo+ID4gPiA+IGlmIHRoZSBmbGFncyBldmVuIGluY2x1ZGUgdGhlIGV4ZWN1dGlv biBwYXRoLgo+ID4gPiA+Cj4gPiA+ID4gQW4gZXhhbXBsZSBpcyB0aGlzOgo+ID4gPiA+ICAgICAg ICAgICAgICBBVlJhdGlvbmFsIHRpbWVfYmFzZV9xID0gQVZfVElNRV9CQVNFX1E7Cj4gPiA+ID4g ICAgICAgICAgICAgIGludDY0X3QgbmV4dF9kdHMgPSBhdl9yZXNjYWxlX3EoZHMtPm5leHRfZHRz LAo+IHRpbWVfYmFzZV9xLCBhdl9pbnZfcShpc3QtPmZyYW1lcmF0ZSkpOwo+ID4gPiA+ICAgICAg ICAgICAgICBkcy0+bmV4dF9kdHMgPSBhdl9yZXNjYWxlX3EobmV4dF9kdHMgKyAxLAo+IGF2X2lu dl9xKGlzdC0+ZnJhbWVyYXRlKSwgdGltZV9iYXNlX3EpOwo+ID4gPiA+Cj4gPiA+ID4gSGVyZSBj b3Zlcml0eSBhcyBhIGluaXRpYWwgc3RhdGVtZW50IGNsYWltcyBuZXh0X2R0cyBpcyBJTlQ2NF9N QVgKPiA+ID4gPiBhbmQgbmV4dF9kdHMgKyAxIHdvdWxkIG92ZXJmbG93Cj4gPiA+ID4KPiA+ID4g Pgo+ID4gPiA+ICAgICAgOC4gZnVuY3Rpb25fcmV0dXJuOiBGdW5jdGlvbiBhdl9yZXNjYWxlX3Eo ZHMtPm5leHRfZHRzLAo+IHRpbWVfYmFzZV9xLCBhdl9pbnZfcShpc3QtPmZyYW1lcmF0ZSkpIHJl dHVybnMgOTIyMzM3MjAzNjg1NDc3NTgwNy4KPiA+ID4gPiAgICAgICAgICAgICAgOS4ga25vd25f dmFsdWVfYXNzaWduOiBuZXh0X2R0cyA9Cj4gYXZfcmVzY2FsZV9xKGRzLT5uZXh0X2R0cywgdGlt ZV9iYXNlX3EsIGF2X2ludl9xKGlzdC0+ZnJhbWVyYXRlKSksIGl0cwo+IHZhbHVlIGlzIG5vdyA5 MjIzMzcyMDM2ODU0Nzc1ODA3Lgo+ID4gPiA+ICAgICAgMzMxICAgICAgICAgICAgaW50NjRfdCBu ZXh0X2R0cyA9IGF2X3Jlc2NhbGVfcShkcy0+bmV4dF9kdHMsCj4gdGltZV9iYXNlX3EsIGF2X2lu dl9xKGlzdC0+ZnJhbWVyYXRlKSk7Cj4gPiA+ID4KPiA+ID4gPiAgICAgIENJRCAxNjA0NTQ1OiAo IzEgb2YgMSk6IE92ZXJmbG93ZWQgY29uc3RhbnQgKElOVEVHRVJfT1ZFUkZMT1cpCj4gPiA+ID4g ICAgICAxMC4gb3ZlcmZsb3dfY29uc3Q6IEV4cHJlc3Npb24gbmV4dF9kdHMgKyAxTEwsIHdoaWNo IGlzIGVxdWFsCj4gdG8gLTkyMjMzNzIwMzY4NTQ3NzU4MDgsIHdoZXJlIG5leHRfZHRzIGlzIGtu b3duIHRvIGJlIGVxdWFsIHRvCj4gOTIyMzM3MjAzNjg1NDc3NTgwNywgb3ZlcmZsb3dzIHRoZSB0 eXBlIHRoYXQgcmVjZWl2ZXMgaXQsIGEgc2lnbmVkIGludGVnZXIKPiA2NCBiaXRzIHdpZGUuCj4g PiA+ID4KPiA+ID4gPgo+ID4gPiA+IGFub3RoZXIgZXhhbXBsZSBpcyB0aGlzOgo+ID4gPiA+Cj4g PiA+ID4gICAgICAjZGVmaW5lIEFWX1RJTUVfQkFTRSAgICAgICAgICAgIDEwMDAwMDAKPiA+ID4g PiAgICAgIHB0cyA9IGF2X3Jlc2NhbGUoZHMtPmR0cywgMTAwMDAwMCwgQVZfVElNRV9CQVNFKTsK PiA+ID4gPgo+ID4gPiA+IGNvdmVyaXR5IGhhbGx1Y2luYXRlcyBwdHMgYXMgYSB0YWludGVkIG5l Z2F0aXZlIG51bWJlciBoZXJlIG5vdGhpbmcKPiBzYXlzIGFueXRoaW5nIGFib3V0Cj4gPiA+ID4g dGhlIGlucHV0IGRzLT5kdHMgKGFuZCB0aGF0cyB3aGF0IHdvdWxkIG1hdHRlcikKPiA+ID4gPgo+ ID4gPiA+IEluIHRoZSBwYXN0IGNvdmVyaXR5IHByb3ZpZGVkIGEgZGV0YWlsZWQgbGlzdCBvZiBz dGVwcyBvbiBob3cgYQo+ID4gPiA+IGNhc2UgaXMgcmVhY2hlZC4gT25lIGNvdWxkIHRoZW4gY2hl Y2sgdGhlc2UgYXNzdW10aW9ucyBhbmQgbWFyawo+IHRoaW5ncwo+ID4gPiA+IGFzIGZhbHNlIHBv c2l0aXZlIHdoZW4gb25lIGFzc3VtdGlvbiBpcyB3cm9uZy4gKGNvdmVyaXR5IHdhcyBtb3N0IG9m Cj4gdGhlIHRpbWUKPiA+ID4gPiB3cm9uZykKPiA+ID4gPgo+ID4gPiA+IE5vdyBjb3Zlcml0eSBq dXN0IGhhbGx1Y2luYXRlcyBjbGFpbXMgb3V0IG9mIHRoZSBibHVlIHdpdGhvdXQgYW55Cj4gPiA+ ID4gZXhwbGFuYXRpb24gaG93IHRoYXQgY2FuIGhhcHBlbi4KPiA+ID4gPgo+ID4gPiA+IElhbSBh IGJpdCBhdCBhIGxvc3MgaG93IHRvIGRlYWwgd2l0aCB0aGlzIGFuZCBhbHNvIHdoeSBleGFjdGx5 IHRoaXMKPiA+ID4gPiBuZXcgYmVoYXZpb3IgYXBwZWFyZWQuCj4gPiA+ID4KPiA+ID4gPiBIYXMg YW55b25lIGNoYW5nZWQgYW55IHNldHRpbmcgb3IgYW55dGhpbmcgaW4gY292ZXJpdHkgPwo+ID4g PiA+Cj4gPiA+ID4gVGhlIG51bWJlciBvZiBpc3N1ZXMgc2hvdCB1cCB0byBvdmVyIDQwMCBvbiB0 aGUgMjJ0aCBqdW5lCj4gPiA+ID4gIjE5NCBuZXcgZGVmZWN0KHMpIGludHJvZHVjZWQgdG8gRkZt cGVnL0ZGbXBlZyBmb3VuZCB3aXRoIENvdmVyaXR5Cj4gU2Nhbi4iCj4gPiA+Cj4gPiA+IERvIHlv dSBtZWFuIE1heT8KPiA+ID4gQ2F1c2UgdGhhdCdzIHdoZW4gSSBlbmFibGVkIGFsc28gZ2l2aW5n IGEgV2luZG93cy1CdWlsZCB0byBDb3Zlcml0eToKPiA+ID4KPiBodHRwczovL2dpdGh1Yi5jb20v RkZtcGVnL0ZGbXBlZy1Db3Zlcml0eS9jb21taXQvMzExNmU2OTYwNDA2ZjAxZjk2ZDkzNDUxNjIx NmJiM2I0MDIxMjJmYwo+ID4gPgo+ID4gPiBCZWZvcmUgdGhhdCwgb25seSBMaW51eCB3YXMgYW5h bHl6ZWQuCj4gPgo+ID4gbm8gdGhlIDE5NCBhcHBlYXJlZCBpbiBqdW5lCj4gPgo+ID4gSSBkaWQg c2F3IHNvbWUgb3RoZXIgc3Bpa2Ugb2YgaXNzdWVzIGFwcGVhciBtb250aD8gZWFybGllciBvciBz byBidXQKPiB0aGVzZSBzZWVtZWQKPiA+IG1vc3RseSBvbGQgaXNzdWVzIHRoYXQgd2hlcmUgZGV0 ZWN0ZWQgcHJpb3IgYWxyZWFkeS4KPiA+IGFuZCBpIGRvbnQgc2VlIGl0IGluIHRlaCBudW1iZXJz IGNvdmVyaXR5IG1haWxzIG1lCj4gPgo+Cj4gPiBPbmx5IG90aGVyIHNwaWtlIGkgY2FuIGZpbmQg aW4gdGhlIG51bWJlcnMgd2FzIDExIGZlYiAyMDI0Cj4gPiAxMDMgbmV3IGRlZmVjdChzKSBpbnRy b2R1Y2VkIHRvIEZGbXBlZy9GRm1wZWcgZm91bmQgd2l0aCBDb3Zlcml0eSBTY2FuLgo+Cj4gVGhl IG1haWwgZm9yIHRoZSB3aW5kb3dzIHNwaWtlIHdlbnQgdG8gbXkgb2xkIGVtYWlsIGFkZHJlc3Mg ZnJvbSBnbXgsIHdhcwo+IG1pc2lkZW50aWZpZWQgYXMgc3BhbSBhbmQgZGVsZXRlZCBieSBnbXgu IGdteCAicmVjZW50bHkiIGZvcmNlZCB0aGVpcgo+IGJyb2tlbgo+IHNwYW0gZGV0ZWN0aW9uIHRv IGJlIGVuYWJsZWQgZXZlbiB3aGVuIGV4cGxpY2l0bHkgZGlzYWJsZWQgYnkgdGhlIGN1c3RvbWVy Lgo+IE9uZSBoYXMgdG8gZG93bmxvYWQgdGhlIG1haWxzIGZyb20gYSBzcGVjaWZpYyBmb2xkZXIg b24gdGhlaXIgSU1BUCBzZXJ2ZXIKPiB3aXRoaW4gYSBtb250aCBpdCBzZWVtcy4gV2hpY2ggaSBk aWRudCBiZWNhdXNlIGkgaGFkIHRoZWlyIHdob2xlIGJyb2tlbgo+IHNwYW0gZGV0ZWN0aW9uIGRp c2FibGVkCj4KPiBJdHMgbm90IGltcHJ0YW50IGJ1dCBpZiBzb21lb25lIGhhcyBhbGwgdGhlIGNv dmVyaXR5IG1haWxzLCBhIGxpc3Qgb2YKPiBuZXcgYW5kIGZpeGVkIGJ1Z3Mgb24gZWFjaCBydW4g d291bGQgYmUgaW50ZXJyZXN0aW5nCj4KPiB0aHgKCgpIYXZlIHlvdSB0cmllZCBnZXR0aW5nIGlu IHRvdWNoIHdpdGggY292ZXJpdHkgc3VwcG9ydCBhYm91dCB0aGlzIG5ldwpiZWhhdmlvcj8KLS0g ClZpdHRvcmlvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmZmbXBlZy1kZXZlbCBtYWlsaW5nIGxpc3QKZmZtcGVnLWRldmVsQGZmbXBlZy5vcmcKaHR0cHM6 Ly9mZm1wZWcub3JnL21haWxtYW4vbGlzdGluZm8vZmZtcGVnLWRldmVsCgpUbyB1bnN1YnNjcmli ZSwgdmlzaXQgbGluayBhYm92ZSwgb3IgZW1haWwKZmZtcGVnLWRldmVsLXJlcXVlc3RAZmZtcGVn Lm9yZyB3aXRoIHN1YmplY3QgInVuc3Vic2NyaWJlIi4K