Re: Re: au88x0_synth

[Takashi Iwai <tiwai@suse.de>]

At Thu, 14 Apr 2005 23:31:17 +0800,
Raymond wrote:
> 
> Takashi Iwai wrote:
> > Raymond wrote:
> >>1) Is the Trident Wavetable working ?
> >
> >
> > Very limited.  It's no proper "MIDI" wavetable implementation.
> > IIRC, only a module player worked with trident driver.
> >
> 
> # aplaymidi -l
>   Port    Client name                      Port name
>   64:0    MPU-401 MIDI 0-0                 MPU-401 MIDI 0-0
>   65:0    au8830 WaveTable                 au8830 Port 0
>   65:1    au8830 WaveTable                 au8830 Port 1
>   65:2    au8830 WaveTable                 au8830 Port 2
>   65:3    au8830 WaveTable                 au8830 Port 3
> 
> # ls /proc/asound/au8830
> codec97#0  midi0  midi2  midi4  pcm0p  pcm2p  wavetableD1
> id         midi1  midi3  pcm0c  pcm1p  pcm3p
> 
> 
> # more /proc/asound/au8830/wavetableD1
> Device: au8830
> Ports: 4
> Addresses: 65:0 65:1 65:2 65:3
> Use Counter: 0
> Max Voices: 64
> Allocated Voices: 0
> Memory Size: 16777216
> Memory Available: 16777216
> Allocated Blocks: 0
> SoundFonts: 0
> Instruments: 0
> Samples: 0
> Locked Instruments: 0
> Locked Samples: 0
> 
> # more /proc/asound/hwdep
> 00-02: au8830 WaveTable
> 
> 
> 1) What value of memsize will need to pass into snd_util_memhdr_new(int
> memsize) if au30gm.arl is about 5 Mb ?
> 
> 2) Do au88x0 DMA (scatter-gather) has any alignment requirement or
> maximum size of the samples ?
> 
> 3) Is it correct to implement functions snd_soundfont_load_arlpatch(),
> load_arlpatch() in soundfont.c to load arl ?

I don't know of arl format, but if it's not compatible with
soundfonts, stciking with the current soundfont handler doesn't make
sense, IMO.


Takashi


-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click