Rich, The kernel provides the floating point in software. Regards, Shane On 3/3/07, Rich Rattanni <[EMAIL PROTECTED]> wrote: > Claudio: > When we compiled FusionSound with IEEE floats enabled, all we got was a > single pop on the speakers when the audio started to play. Both my app and > music.c produced these results. I know there is no floating point unit in > the ARM, I assume it is the C library to pick up the slack (assumption on my > part). > > >>Another interesting test could be enabling IEEE floats and watch what > >>happens. > >>You can also use the example program called "music" to do such a test > >>(use v/V key to decrease/increase the volume level). > > > > > On 3/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > Denis, (Sorry the last email got sent before I was complete do to > > firefox crashing!) so I will redo it below: > > > > The target architecture is a Xscale (Intel's ARM) (PXA270). The > > compiler is GCC 4.1.1, we (Rich and I) tried with floats enabled and > > the audio quality got even worse to the point were there was NO > > discernible sound just noise. > > > > We have compiled many packages with our cross-compiler and have had no > > issues. I'm not sure what could be incorrect with the compiler but if > > you have some suggestions or tests we would certainly be willing to > > try them. > > Regards, > > Shane > > > > - Show quoted > > > > > > On 3/3/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > > Denis, > > > The target architecture is a Xscale (Intel's ARM) (PXA270). The > > > compiler is GCC 4.1.1, we (Rich and I) tried with floats enabled and > > > the audio q > > > > > > On 3/3/07, Denis Oliver Kropp < [EMAIL PROTECTED]> wrote: > > > > Claudio Ciccani wrote: > > > > > Rich Rattanni wrote: > > > > >> Claudio: > > > > >> I first tried to adjust the volume while playing other audio > types > > > > >> (MP3 specifically) and there was no noticable improvement in > quality. > > > > >> As per your recommendation, the latest CVS snapshot of FusionSound > was > > > > >> pulled and compiled with --disable-precision > > > > >> and --disable-dithering, and the system exhibited the same problem. > > > > >> Terrible audio quality (output sounds clipped and other strange > > > > >> artifacts) when volume was adjusted to anything besides 1.0. What > is > > > > >> strange is that the volume value does not seem to matter. 0.5 or > 60.0 > > > > >> both sound alike in both level and quality. > > > > > > > > > > So it must be a problem with the compilation (or better, the > compiler). > > > > > Indeed relooking at the code, I couldn't find a bug causing that > strange > > > > > behaviour. > > > > > Please, could you tell me the target architecture (x86?) and the > gcc's > > > > > version? > > > > > > > > Does the API always require floats? Maybe emulation or library for it > is > > > > broken. > > > > > > > > -- > > > > Best regards, > > > > Denis Oliver Kropp > > > > > > > > .------------------------------------------. > > > > | DirectFB - Hardware accelerated graphics | > > > > | http://www.directfb.org/ | > > > > '------------------------------------------' > > > > > > > > _______________________________________________ > > > > directfb-users mailing list > > > > [email protected] > > > > > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users > > > > > > > > > > > > > -- > > > Registered Linux User: #293401 > > > > > > > > > -- > > Registered Linux User: #293401 > > > > > _______________________________________________ > directfb-users mailing list > [email protected] > http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users > >
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