Re: [fluid-dev] qsynth 0.3.6 for mac osx

[Ebrahim Mayat]

On Apr 15, 2011, at 6:53 PM, Pedro Lopez-Cabanillas wrote:

> On Thursday 14 April 2011, Ebrahim Mayat wrote:
> > What happens when you try and render a MIDI file using FluidSynth ?  
> > (I
>
> I can't reproduce your problem when rendering MIDI files in my Mac.  
> But again, I don't have access to any other Mac except my own.

The CPU saturation I see seems to be restricted to my setup: it would  
seem to be related to CPU type … but I may be wrong.

> I suggest you to try some things, after getting the latest FS from  
> the Subversion repository:
>
> * First, configure it with debug enabled:
> $ cmake .. -Denable-debug=yes
> This will provide more output, which may provide some clues. Another  
> setting that you may want to try is
> -Denable-floats=yes
>
> * When running FluidSynth, use the arguments -c and -z to provide  
> larger buffer sizes, and play also with the -r argument trying to  
> match the native sample rate of your audio device, or another. For  
> instance, this is the output in my system when rendering your MIDI  
> file:
>
> $ fluidsynth -c 4 -z 1024 -r 48000  
> GeneralUser_GS_FluidSynth_v1.43.sf2 ROCK.MID
> FluidSynth version 1.1.3
> Copyright (C) 2000-2010 Peter Hanappe and others.
> Distributed under the LGPL license.
> SoundFont(R) is a registered trademark of E-mu Systems, Inc.
>
> fluidsynth: debug: Using 'coreaudio' audio driver
> fluidsynth: debug: mSampleRate 48000
> fluidsynth: debug: mFormatFlags 00000001
> fluidsynth: debug: mBytesPerPacket 8
> fluidsynth: debug: mFramesPerPacket 1
> fluidsynth: debug: mChannelsPerFrame 2
> fluidsynth: debug: mBytesPerFrame 8
> fluidsynth: debug: mBitsPerChannel 32
> fluidsynth: debug: MaximumFramesPerSlice = 4096
> fluidsynth: debug: Using 'coremidi' midi driver
> Type 'help' for help topics.
>
> > fluidsynth: debug: fluidsynth-svn/src/midi/fluid_midi.c: 1443:  
> > Loading midifile ROCK.MID
> fluidsynth: debug: File load: Allocating 5156 bytes
> fluidsynth: debug: Division=384
> fluidsynth: debug: tempo=480000, tick time=1.250000 msec, cur time=0  
> msec, cur tick=0
> fluidsynth: debug: signature=4/4, metronome=24, 32nd-notes=8
> fluidsynth: debug: tempo=500000, tick time=1.302083 msec, cur time=0  
> msec, cur tick=0

I checked out r 419. I compiled with and without the framework  
settting. My problem persists. Attached is the Terminal and gdb output.

Best wishes,
Ebrahim

FS_debug
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