Takashi Iwai wrote: > At Thu, 12 Feb 2009 18:55:49 +0100, > Tim Blechmann wrote: >>>> the brief log is (4 periods of 64 frames): >>>> stream_pointer at 64 >>>> stream_pointer at 128 >>>> stream_pointer at 192 >>>> stream_pointer at 256 >>> This is invalid. The pointer callback must return 0 in this case. >>> The value the pointer callback returns is between 0 and buffer_size-1. >> sry, typo, 5 periods of 64 frames > > Then it must be OK. If the stream is stopped, it's likely by the > buffer underrun detection or so... is there any way to compile alsa to get some debugging information about that? > BTW, you should be sure that the buffer size is aligned to the period > size if such a design is assumed. Without the extra constraint, it > could be unaligned as default. hm, afaict alignment should be ok ... thnx, tim -- tim@xxxxxxxxxx http://tim.klingt.org A good composer does not imitate; he steals. Igor Stravinsky
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