From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id CAB7EE0085D; Sat, 11 Apr 2015 10:03:57 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [209.85.220.42 listed in list.dnswl.org] Received: from mail-pa0-f42.google.com (mail-pa0-f42.google.com [209.85.220.42]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 73C63E005A0 for ; Sat, 11 Apr 2015 10:03:52 -0700 (PDT) Received: by paboj16 with SMTP id oj16so54644067pab.0 for ; Sat, 11 Apr 2015 10:03:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=qLQzzAUL9xN7xUVYQNFTIFKPJFIAtrducg3fRQVCaaE=; b=MV2UuUPioSFQsEijtRWhsp5ZzmOWo2T9KUwGw2+AU5/f/xoOQLUHJV7JzS3xZqSYnI B9gqOzfK8AslUkcGxizUPBlX6WUcQbLwSdOFxLtgTDFboqHbzOufBOSBavzpuEGlupHs OZ/ZddR65yFQab3jLVqXsQ0u+JhtF5r40Fi2HkURiIq50NMdSpaUMnpHWKwEy7BcJhU1 6Up5BOptlcDzSENnXx4g/+ewFv7vYF1Lf3OvpvuaJYQPc8EUvBx7xel4Tdv8L1Qc/Dr+ Ejzyj9Z+jE/CL5VwOLBRLP+XIxwC8D0VkcErWAUR0Mn6CMcPfsERpjhmPHiar7rwv6Ux IpwA== X-Gm-Message-State: ALoCoQn33Bbbzy3OBctdiLt1xAhpSCu5DDUh4eNhbghFfOF5D3iw+xvK4NX4lT+T62cDciOEOHIr X-Received: by 10.68.135.4 with SMTP id po4mr12520883pbb.12.1428771832253; Sat, 11 Apr 2015 10:03:52 -0700 (PDT) Received: from [192.168.0.139] (wsip-70-184-93-199.ph.ph.cox.net. [70.184.93.199]) by mx.google.com with ESMTPSA id nj5sm2458441pdb.35.2015.04.11.10.03.50 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 11 Apr 2015 10:03:51 -0700 (PDT) Message-ID: <552953F5.30206@boundarydevices.com> Date: Sat, 11 Apr 2015 10:03:49 -0700 From: Eric Nelson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Carlos Rafael Giani , meta-freescale@yoctoproject.org References: <5526EB84.8070302@boundarydevices.com> <5527E28B.8040708@boundarydevices.com> <55281759.6070309@boundarydevices.com> <55294C1C.5010502@pseudoterminal.org> In-Reply-To: <55294C1C.5010502@pseudoterminal.org> Subject: Re: PXP test applications X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2015 17:03:57 -0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hi Carlos, On 04/11/2015 09:30 AM, Carlos Rafael Giani wrote: > >> The "official repository" is the one inside the package.... >> >> There is nothing more I can help, sorry. I also failed on getting it >> to work. >> >> Daiane >> > > Which is a pity, because PxP seems to be partially broken in the kernel. > That, or the headers contain a whole lot of formats that will be > supported in the future, but aren't right now. > A lot of source/destination format combinations produce erroneous > content, just just plain black or green frames. > > I attached the results of my findings. I did the tests with > gstreamer-imx (current master) , Yocto Fido, kernel linux-imx > 3.14.28-1.0.0_ga+g91cf351 , on a Sabre SD DualLite with integrated > touchscreen. Plain framebuffer, no X, no Wayland. > > The first matrix is the full version - I tried all formats with all > formats. The second matrix is the one reduced to the subset that works > best. Unfortunately, BGRx/RGB16 as source and UYVY as target format > produce reversed colors, otherwise this would be a matrix with all > combinations working. Also unfortunate is the fact that I420 didn't work > at all as target format. Since the VPU expects I420 as input for > encoding, PxP would have been useful as a single conversion step for > some webcams that deliver Y42B data. > > If anybody can make sense about why PxP is so broken, I'd be happy to > hear about it. > I can't comment on the state of the driver(s), but I can comment on your tests and say "thanks"! This e-mail should be bookmarked by anyone visiting the driver. I hope we can test this out soon, but think it will have to wait until we push forward to 3.14.28. Regards, Eric