Re: SPDIF output finally working properly with CS4630

[Peter Heatwole <peter599@gotnet.net>]

On 2002.07.23 21:28 Benny Sjostrand wrote:
> Now I've generated a patch against alsa-driver-0.9.0rc2, so you can try 
> to merge it with your CVS snapshot,
> maybe it works better ....

    Thanks. It took a tad of modifying to patch the CVS because it was
expecting a 0.9.0rc2 postfix on everything, but that was simple to fix.
    I patched the CVS, and am getting the same error. I stuck the following
into alsa-lib/src/pcm/interval_inline.h, and am getting some feedback on
what's going wrong:

printf("snd_interval_min()::: i->empty == %d\n", i->empty)

<<<which results in>>>

[peter@porky als]$ aplay footsteps.wav Playing WAVE 'footsteps.wav' : 
Signed 16 bit Little Endian, Rate 44100 Hz, Mono
snd_interval_min():::  i->empty == 0
snd_interval_min():::  i->empty == 0
snd_interval_min():::  i->empty == 0
snd_interval_min():::  i->emtpy == 0
snd_interval_min():::  i->empty == 1
aplay: interval_inline.h:66: snd_interval_min: Assertion 
`!snd_interval_empty(i)' failed.
Aborted...


    Also, I tried the driver with the xmms-alsa plugin, and it
failed the same test, but in the function snd_interval_refine_min().
    I haven't developed with ALSA yet, so I don't know the ropes
completely. Anyone have any idea what's happening here? I checked
the online docs and couldn't find any references regarding
"interval"s. Is this a timing issue?


-- Peter Heatwole
"Murphy was just a well known pessimist."



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