[Alsa-devel] snd_...._copy

Hi, I've made a mistake about the html format, i'm sorry for that. This is the last message in text format I'm writing an ALSA driver using no pci or isa preallocation memory (i'm using snd_pcm_lib_preallocate_pages_for_all). I've some questions according to the alsa mecanism to transfert datas. I

[Alsa-devel] snd_..._copy

Hi, I'm writing an ALSA driver using no pci or isa preallocation memory (i'm using snd_pcm_lib_preallocate_pages_for_all). I've some questions according to the alsa mecanism to transfert datas. I'm using ALSA 0.9.6   when i send a wav file to the /dev/audio0 file: dd if=ring.wav of=/dev/aud