Re: [Lazarus] GStreamer API unit added
On Tue, Nov 8, 2022 at 2:00 AM Michael Van Canneyt via lazarus < lazarus@lists.lazarus-ide.org> wrote: > > > On Mon, 7 Nov 2022, Aruna Hewapathirane wrote: > > > Hi Michael, > > > > Many thanks for the link. I have a few more questions please? I am > running > > FPC 3.2.0 > > and Lazarus 2.0.10 how do I get your gstreamer code into my installation? > > What is the > > preferred or best way to do this? It is my first time so apologies if > this > > is a silly question. > > In your case, I would recommend simply to copy the units into your project > folder. > Understood and will do so. Many thanks! > > Alternatively, copy them to some folder on your harddisk, and add this > folder to the unit path in the "project options" dialog in Lazarus. > The compiler will then find them. > Again understood and will try both methods. Thank you :-) > > Michael. > -- > ___ > lazarus mailing list > lazarus@lists.lazarus-ide.org > https://lists.lazarus-ide.org/listinfo/lazarus > -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] SQLDBRestBridge
I am puzzled by TMS Software. 1. there is one demo specific for SQLDBRestBridge, but the application is obviously bugged, as you see from the following screenshot https://i.ibb.co/m4wVGtM/2.jpg as a start, the code for the login and logout button is the same, what cannot be 2. the support will deny even under torture the idea that TMS code can have bugs. The fault is always yours. You did not read the manual carefully (666 pages) or did not study CORS carefully or have knowledge gaps. All true in my case... but I can see a bug when I meet one :) 3. in the end, they will suggest you buy their bridge solution, called XData, as they cannot waste their time with a bridge server they did not write (verbatim) :) Probably (I reckon) they are not very interested in the Lazarus market, as they gain most income from the Delphi market. As a matter of fact, I find their support not helpful at all. They dont help you to solve your problem: they will deny that a problem exists or will pretend that you will be able to solve your problem after a few months' study of technical documentation :) I bought TMS Web Core months ago with the idea of quickly write web applications in Lazarus, with a special aim at their TWebGridComponent, but I can say today that it was no wise purchase :) Thank you Peppe On Tue, Nov 8, 2022 at 7:56 AM Michael Van Canneyt via lazarus wrote: > > > > On Mon, 7 Nov 2022, duilio foschi wrote: > > > I fixed the code in Lazarus and got a client based on BufDataClient > > that successfully talks with a restbridge server. > > > > As a next step, I'd like to connect to the same server from a TWebForm > > of TMS Web Core library. > > Normally, TMS Web Core contains a dataset component that handles SQLDBRest > connections?. > > I wrote it myself for them. > > > > > I started with a slow step. There is only a TWebHttpRequest in the > > form (which has the same functions of a TFPHTTPClient) and it issues a > > GET to URL > > http://localhost:3000/metadata/?fmt=json&humanreadable=0 > > > > This command works ok in the windows client. > > > > Here, I get the errors shown in pic > > https://i.ibb.co/dpsjfQQ/1.jpg > > > > The message (a CORS error) is attached below. > > Aaaahhh... Welcome to CORS hell... :/ > > > > > Weird enough, the message is there even after changing the server code > > in this way: > > > > original code: > > > > FDisp.DispatchOptions:=FDisp.DispatchOptions+[rdoCustomView,rdoHandleCORS]; > > > > new code > >FDisp.DispatchOptions:=FDisp.DispatchOptions+[rdoCustomView]; > > This is the exact opposite of what you should do. > > The rdoHandleCORS option must be there, or CORS will not be handled at all. > > > > > Is there a way to tell the server to ignore CORS errors? > > > > The CORS errors are from the browser, not from the server. > > > > Or there a way to sweet-talk the server to accept the requests from a > > TMS Web form? :) > > Yes, you must add localhost as an allowed origin in CORSAllowedOrigins. > > FDisp.CORSAllowedOrigins:='localhost:3000' > > If you are not using authentication, as an alternative, you can try > FDisp.CORSAllowedOrigins:='*' > > Michael. > -- > ___ > lazarus mailing list > lazarus@lists.lazarus-ide.org > https://lists.lazarus-ide.org/listinfo/lazarus -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] GStreamer API unit added
On Tue, Nov 8, 2022 at 2:00 AM Michael Van Canneyt via lazarus < lazarus@lists.lazarus-ide.org> wrote: > > > On Mon, 7 Nov 2022, Aruna Hewapathirane wrote: > > > Hi Michael, > > > > Many thanks for the link. I have a few more questions please? I am > running > > FPC 3.2.0 > > and Lazarus 2.0.10 how do I get your gstreamer code into my installation? > > What is the > > preferred or best way to do this? It is my first time so apologies if > this > > is a silly question. > > In your case, I would recommend simply to copy the units into your project > folder. > > Alternatively, copy them to some folder on your harddisk, and add this > folder to the unit path in the "project options" dialog in Lazarus. > The compiler will then find them. > > Michael. > Hello Michael, I tried to get things working but had problems with the IDE I have attached as screenshot. https://pasteboard.co/xc64IUDOYVBb.png Then I tried to see if I can get it going on the command line but trouble again, screenshot attached. https://pasteboard.co/dHxckB8iMPxh.png See below for details please: -- aruna@debian:/media/aruna/linux-next/home/lazarus/gstreamer/example$ fpc playmp3 Free Pascal Compiler version 3.2.0+dfsg-12 [2021/01/25] for x86_64 Copyright (c) 1993-2020 by Florian Klaempfl and others Target OS: Linux for x86-64 Compiling playmp3.pp playmp3.pp(48,95) Warning: range check error while evaluating constants (-1 must be between 0 and 18446744073709551615) Linking playmp3 /usr/bin/ld.bfd: cannot find -lgstreamer-1.0 Error: Error while linking Fatal: There were 1 errors compiling module, stopping Fatal: Compilation aborted Error: /usr/bin/ppcx64 returned an error exitcode - So I changed the -1 to a 0 in line 48,95 and tried again - aruna@debian:/media/aruna/linux-next/home/lazarus/gstreamer/example$ fpc playmp3 Free Pascal Compiler version 3.2.0+dfsg-12 [2021/01/25] for x86_64 Copyright (c) 1993-2020 by Florian Klaempfl and others Target OS: Linux for x86-64 Compiling playmp3.pp Linking playmp3 /usr/bin/ld.bfd: cannot find -lgstreamer-1.0 Error: Error while linking Fatal: There were 1 errors compiling module, stopping Fatal: Compilation aborted Error: /usr/bin/ppcx64 returned an error exitcode aruna@debian:/media/aruna/linux-next/home/lazarus/gstreamer/example$ This time it tries to link but dies saying can't find : /usr/bin/ld.bfd: cannot find -lgstreamer-1.0 Now what? I will keep trying different things... Thanks, Aruna -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] GStreamer API unit added
El 9/11/22 a les 3:06, Aruna Hewapathirane via lazarus ha escrit: This time it tries to link but dies saying can't find : /usr/bin/ld.bfd: cannot find -lgstreamer-1.0 In debian/ubuntu based distributions you'll have to install the libgstreamer1.0-dev package: $ apt-file search libgstreamer-1.0 libgstreamer1.0-0: /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0 libgstreamer1.0-0: /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0.1404.0 libgstreamer1.0-0: /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0.1602.0 libgstreamer1.0-0: /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0.1603.0 libgstreamer1.0-dev: /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so libgstreamer1.0-dev: /usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0.1602.0-gdb.py libgstreamer1.0-dev: /usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0.1603.0-gdb.py Bye -- Luca Olivetti Wetron Automation Technology http://www.wetron.es/ Tel. +34 93 5883004 (Ext.3010) Fax +34 93 5883007 -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
