[{"id":39425,"web_url":"https://patchwork.libcamera.org/comment/39425/","msgid":"","date":"2026-06-26T07:59:28","subject":"Re: [PATCH v1 2/2] meson: Build virtual pipeline by default","submitter":{"id":216,"url":"https://patchwork.libcamera.org/api/people/216/","name":"Barnabás Pőcze","email":"barnabas.pocze@ideasonboard.com"},"content":"2026. 06. 26. 9:41 keltezéssel, Robert Mader írta:\n> The virtual pipeline is very helpful for debugging purposes and very\n> small. One big reason to not build it by default in the past was likely\n> the libyuv dependency, which many distros did not ship by default.\n> \n> By now big distros like Debian, Fedora, and others ship libyuv and\n> already use it when building libcamera. Fedora even enables both test\n> pipelines by default.\n> \n> Thus let's build the virtual pipeline by default, facilitating libcamera\n> adoption.\n> \n> Signed-off-by: Robert Mader \n> ---\n\nI think this change is ok, it can indeed be useful for debugging,\nand the virtual cameras won't appear by default.\n\nReviewed-by: Barnabás Pőcze \n\n\n> meson.build | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/meson.build b/meson.build\n> index 9cd73462f..3b8d54a65 100644\n> --- a/meson.build\n> +++ b/meson.build\n> @@ -224,7 +224,7 @@ pipelines_support = {\n> 'simple': ['any'],\n> 'uvcvideo': ['any'],\n> 'vimc': ['test'],\n> - 'virtual': ['test'],\n> + 'virtual': ['any'],\n> }\n> \n> if wanted_pipelines.contains('all')\n> --\n> 2.54.0\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id B4940C3301\n\tfor ;\n\tFri, 26 Jun 2026 07:59:33 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6517D658D7;\n\tFri, 26 Jun 2026 09:59:33 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0B4D6658D0\n\tfor ;\n\tFri, 26 Jun 2026 09:59:32 +0200 (CEST)","from [192.168.33.48] (185.221.143.75.nat.pool.zt.hu\n\t[185.221.143.75])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0AB931E7;\n\tFri, 26 Jun 2026 09:58:50 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"PMCXMq6z\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1782460731;\n\tbh=A6mPUX2FQp0o0xtiCkvntSpzIJyCplHo/XVdQndqC7s=;\n\th=Date:Subject:To:References:From:In-Reply-To:From;\n\tb=PMCXMq6zygGKktYXbcmwf2yE5Z1J3AtvJJOLBCdJMpbz9QVovN7jG6NGqWhVoZKzO\n\tQlPtnN4bS77TmUN/D7gxKxexF3qQdpreLJMdO6Sw4k1idGYWyCR7D4LRq10mxvugLx\n\tzPH9h7imTqw8Hs5hBoViMstsAnupYqPMWHeml+HM=","Message-ID":"","Date":"Fri, 26 Jun 2026 09:59:28 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v1 2/2] meson: Build virtual pipeline by default","To":"Robert Mader ,\n\tlibcamera-devel@lists.libcamera.org","References":"<20260626074100.272963-1-robert.mader@collabora.com>\n\t\n\t<20260626074100.272963-3-robert.mader@collabora.com>","From":"=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= ","Content-Language":"en-US, hu-HU","In-Reply-To":"<20260626074100.272963-3-robert.mader@collabora.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":39426,"web_url":"https://patchwork.libcamera.org/comment/39426/","msgid":"<178246083838.43116.9446052547424063040@ping.linuxembedded.co.uk>","date":"2026-06-26T08:00:38","subject":"Re: [PATCH v1 2/2] meson: Build virtual pipeline by default","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Robert Mader (2026-06-26 08:41:00)\n> The virtual pipeline is very helpful for debugging purposes and very\n> small. One big reason to not build it by default in the past was likely\n> the libyuv dependency, which many distros did not ship by default.\n> \n> By now big distros like Debian, Fedora, and others ship libyuv and\n> already use it when building libcamera. Fedora even enables both test\n> pipelines by default.\n> \n> Thus let's build the virtual pipeline by default, facilitating libcamera\n> adoption.\n\nI'm ok with this because by default the virtual cameras will be off\nunless a system configuration file is added.\n\n\nAcked-by: Kieran Bingham \n\n\n\n> \n> Signed-off-by: Robert Mader \n> ---\n> meson.build | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/meson.build b/meson.build\n> index 9cd73462f..3b8d54a65 100644\n> --- a/meson.build\n> +++ b/meson.build\n> @@ -224,7 +224,7 @@ pipelines_support = {\n> 'simple': ['any'],\n> 'uvcvideo': ['any'],\n> 'vimc': ['test'],\n> - 'virtual': ['test'],\n> + 'virtual': ['any'],\n> }\n> \n> if wanted_pipelines.contains('all')\n> -- \n> 2.54.0\n>","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 5244BC3261\n\tfor ;\n\tFri, 26 Jun 2026 08:00:42 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 02F51658DA;\n\tFri, 26 Jun 2026 10:00:42 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7318A658D3\n\tfor ;\n\tFri, 26 Jun 2026 10:00:40 +0200 (CEST)","from monstersaurus.ideasonboard.com\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id C07F81E7;\n\tFri, 26 Jun 2026 09:59:59 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"r9IEPbQP\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1782460799;\n\tbh=zoRAcQz+o2KB/dm19XeLg968hM4hp4RF97kJHFCroNo=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=r9IEPbQPU9JkNYtCimCoabt5FkYcmM1DQ0JEFDpbbpZKaKA9a+sBGO1k1W7/ZXjDv\n\tH8o5CUX1HdDAo8PiOvc5onceJui+MFWxPIoIJ6D+jd0oEd6vlao9HG50s2koDxtvLQ\n\t4fVg52aceOWKU8AlBWWpGV2uh2bp1e2pZi3+MlXs=","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<20260626074100.272963-3-robert.mader@collabora.com>","References":"<20260626074100.272963-1-robert.mader@collabora.com>\n\t<20260626074100.272963-3-robert.mader@collabora.com>","Subject":"Re: [PATCH v1 2/2] meson: Build virtual pipeline by default","From":"Kieran Bingham ","Cc":"Robert Mader ","To":"Robert Mader ,\n\tlibcamera-devel@lists.libcamera.org","Date":"Fri, 26 Jun 2026 09:00:38 +0100","Message-ID":"<178246083838.43116.9446052547424063040@ping.linuxembedded.co.uk>","User-Agent":"alot/0.9.1","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]