From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36198EE49AA for ; Mon, 21 Aug 2023 10:59:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229967AbjHUK7V (ORCPT ); Mon, 21 Aug 2023 06:59:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbjHUK7U (ORCPT ); Mon, 21 Aug 2023 06:59:20 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8160DB; Mon, 21 Aug 2023 03:59:18 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-1bf078d5fb7so18829285ad.0; Mon, 21 Aug 2023 03:59:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692615558; x=1693220358; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=b6YFpODidN8i7T/aP4iShz2e2fi5e15POjDGjX+rUFg=; b=gu5GWaz87DfV65dOTC9F5iRJQ16BaGKY75Tq4b9NFx0I7DYD4c/oPXIM80+ux050wQ GAmcaOq1WotiU/Wr4WPoEnlzLC/c5I2YuEBHwB0D2dWNIG3FIpBOZLiYXFzOX0p0d5Y6 scZH5csVhg9qSBKpoYlJuTLCov62FlU/EAwmUj+xYwBw3R+gm5ZHM7+0d7KxLW5zv3hc tzFHhl5SeM9C1mOoFOIqcAScHiH0yZDelwfxTMTZr2Lc8d4SZVM6i030YUdobAI9/ije yxoQr81I4gqHF1oq/PwpfYluOfEppE0fhXtHQAn99xNSqbxggUnNgJ9v/V2yQx7pJ7hg vy2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692615558; x=1693220358; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=b6YFpODidN8i7T/aP4iShz2e2fi5e15POjDGjX+rUFg=; b=apG6KJYXRUyNaf5nUC7gDsAIKu5z+JkJmGHbu7VI1WMuF09LVwpTiuqAqN2J7j89W6 /7c0QwuF4FOBMdYKiyJo4NTcRlaxRE4KnYHWbiAet0/uqNTOCodw0I7Kj1nPu9qN7bkS osfQ//OtbhWXhruNT2K4E+gX1DwOIjeAG3F2kZtmOOdIrl/1exsCN4am42kn2kDYcjDW R3MU8SgfmA5t63HcjTj6WDU6CXPIxvNsqLNJmjk838RKb1/oWO2cNs3osgHr7vEwD8sq 4HPMQfEiHvk7n0VyYCMxVlOtnPMDs64L+EvbU6uVdfn9l9Sc6eAi9ZMuE0xw7TU/tEt0 LtZg== X-Gm-Message-State: AOJu0YzNCzkqwg0OQrQB5pfuJK7YRE4F5oDFpyFyN+Y1S2mu8KyMqpzh 9Yeg557C9oIycQRIB/ns7GY= X-Google-Smtp-Source: AGHT+IFl9SuBL6vPLEQ85TvOumpA4k6la5gh99FaD1LoRKvveEV35/YUilJYWxc1+VXGZVBXNJneLA== X-Received: by 2002:a17:903:44a:b0:1bf:574d:d206 with SMTP id iw10-20020a170903044a00b001bf574dd206mr3891099plb.36.1692615558191; Mon, 21 Aug 2023 03:59:18 -0700 (PDT) Received: from debian.me ([103.124.138.83]) by smtp.gmail.com with ESMTPSA id g9-20020a170902c38900b001a1b66af22fsm6786879plg.62.2023.08.21.03.59.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Aug 2023 03:59:17 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id 8F717819DE4A; Mon, 21 Aug 2023 17:59:14 +0700 (WIB) Date: Mon, 21 Aug 2023 17:59:14 +0700 From: Bagas Sanjaya To: Luigi Baldoni , linux-media@vger.kernel.org, Linux Kernel Mailing List Cc: Antti Palosaari , Mauro Carvalho Chehab , Hans Verkuil Subject: Re: Video glitch with Hanftek Astrometa Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/8dnAOMNvZulVrcy" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --/8dnAOMNvZulVrcy Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Aug 19, 2023 at 02:03:15PM +0200, Luigi Baldoni wrote: > Hello everyone, > last year I replaced my old RTL2832U/R820T DVB-T dongle (which worked > perfectly) and replaced it with a Hanftek Astrometa (RTL2832/CXD2837ER) > DVB-T2 one and my troubles started. > Every channel I tune to shows a periodic glitch, as per included sample. >=20 > I tried the following things: > * connected a regular TV set to the same antenna cable and the picture l= ooks > fine > * replaced the usb cable > * switched distros (from debian to arch) > * installed a current kernel snapshot > * replaced the minipc on which it's installed > * used usbip to access the hardware from my desktop machine and tested > it directly with vlc, mpv and kaffeine: at best the stream was glitchy > and at worst the app crashed > * toggled every parameter available for each involved module > * ran tzap directly >=20 > None of the above made the slightest difference, therefore I'm asking you > if there's something I might have overlooked or if this is truly a bug. >=20 > Video sample here, captured with tzap: > https://www.mediafire.com/file/qantvq916uy7o4k/rai1hd.ts/file > https://www.4shared.com/s/folTulDcljq >=20 (also Cc: RTL2832 and media subsystem maintainers) What kernel version are you running? Also, can you try with different dongle (ideally with different chipset)? Thanks. --=20 An old man doll... just what I always wanted! - Clara --/8dnAOMNvZulVrcy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCZONDdwAKCRD2uYlJVVFO o/AJAPoDxA+QbdrImZNvSwhpl/6j7mvhm1LD120OrR0KfWf7UgD+NmwraDJfqIqa LEoOwDTq84brr8qeHuSF8EyduV1EKgQ= =fINR -----END PGP SIGNATURE----- --/8dnAOMNvZulVrcy--