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Re: [fluid-dev] Compiling on Windows - how to use --fast-render?

From: Aere Greenway
Subject: Re: [fluid-dev] Compiling on Windows - how to use --fast-render?
Date: Mon, 12 Mar 2012 15:05:21 -0600


Not that the idea is worth all that much (at this stage), but now that I am retired, I have this dream of creating an "Everyman's Sequence-Editor", which is much more intuitive, and works equally well (if not better) for blind people.  It will be designed to work best at playing by ear, and improvising tracks with other music. 

Again, it's only a dream at this stage. 

I have a musician-friend who is blind, and your situation gives me even more motivation to pursue that dream. 

- Aere

On Sun, 2012-03-11 at 08:40 +0100, Dr.Leo wrote:

I'll do just that, either with sox or libsndfile or both.

On Rosegarden: I should have mentioned that I am almost blind and 
somehow wedded to the command line unless developers undertook the 
effort to use the accessibility features of Qt etc. so screen reading 
software like Jaws for Windows or Orca for Gnome can grab the screen 
content. But developers are a lazy bunch as we all know ;-)

I will be offline for a few days and report back later.



Am 10.03.2012 23:10, schrieb Pedro Lopez-Cabanillas:
> On Saturday 10 March 2012, Dr.Leo wrote:
>> thanks. As MinGW does the trick, I am not so keen to recompile it on
>> MSVC9. I just wanted to share a potential problem. But I realise that
>> the main problem is in my head rather than in fluidsynth's repository. I
>> understand that you don't want to officially release windows binaries
>> for the reasons you mention. But I think it would still be useful. If I
>> had a website I would probably do it myself, well I have a project on
>> Google code, but this is unrelated to music.
>> I've tried the -F option. A .raw file is created but I cannot play it.
>> SoX reports an error as the sampling rate is not specified. I guess this
>> is a feature, not a bug.
> A "raw" file means that it has no file header indicating the sample rate or
> format. You can choose the desired sample rate and sample format in the
> command line , like this:
> fluidsynth -r 44100 -O s16 -F output.raw ...
> Which are the defaults, by the way. You can try "-O help" to see the available
> sample formats, but 's16' is the only option without libsndfile support. Means
> 16 bits signed. Another default is stereo, (=2 audio channels).
> With the above data you can comfortably build a sox command line:
> sox -r 44100 -e signed -b 16 -c 2 output.raw output.wav
>> Still I want to use sndfile, but I don't know
>> how.  The docs are tacit on this. There is a Windows binary of sndfile
>> alongside with the tarball. I tried to compile the tarball successfully.
>> but I don't know how to include it in FluidSynth. I thought I'd just
>> copy sndfile.h in FluidSynth's include dir and the dll and def files of
>> libfluidsynth in the MinGW lib dir. I know this is very basic and should
>> not be on this list. So I would also appreciate any link to a concise
>> recipe on compiling multiple libraries etc. but my only goal so far is
>> to create wav from midi.
>> Any further tips?
> To build FluidSynth with sndfile, download and install the package as usual,
> into "C:\Program Files", from the 32 bits package:
> http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.25-w32-setup.exe
> Now, open in the windows explorer the directory "C:\Program Files\Mega-
> Nerd\libsndfile" and select/copy the directories bin\, lib\ and include\.
> Paste the three directories into your C:\freesw folder (or whatever name you
> have chosen for the directory containing glib/pkg-config), merging them with
> the previous content. Now, you need to edit the file
> "C:\freesw\lib\pkgconfig\sndfile.pc", because its library name does not match
> the distributed windows DLL. I've attached mine, but the two affected lines
> are:
> Name: libsndfile-1
> Libs: -L${libdir} -llibsndfile-1
> After this, you need to execute cmake again, with enable-libsndfile=1. Hope
> this helps.
> Regards,
> Pedro

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