[pulseaudio-tickets] [Bug 84804] Pulseaudio doesn't work on (pro audio- non interleaved access mode) soundcards with high channel counts

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84804

--- Comment #25 from Raymond <superquad.vortex2 at gmail.com> ---
Read / Write transfer

There are two versions of read / write routines. The first expects the
interleaved samples at input (SND_PCM_ACCESS_RW_INTERLEAVED access method), and
the second one expects non-interleaved (samples in separated buffers -
SND_PCM_ACCESS_RW_NONINTERLEAVED access method) at input. There are these
functions for interleaved transfers: snd_pcm_writei() snd_pcm_readi(). For
non-interleaved transfers, there are these functions: snd_pcm_writen() and
snd_pcm_readn().


this mean pulseaudio still need snd_pcm_writen() and snd_pcm_readn() to support
SND_PCM_ACCESS_RW_NONINTERLEAVED access method

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