On Thu, 10 Jul 2008, Clemens Ladisch wrote: > Norbert van Bolhuis wrote: > > as far as I know: > > sample format S24_LE is 24bit sample in 4 bytes > > sample format S24_3LE is 24bit sample in 3 bytes > > (why else have separate definitions), right ? > > Yes. > > > In the ALSA-LIb example /test/pcm.c however > > (http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm_8c-example.html) > > there is no diff between the 2 sample formats. > > That example program uses snd_pcm_format_width() although it should > have used snd_pcm_format_physical_width() when calculating memory > buffer sizes. I think that the problem is in wrong area->step calculation in alsa-lib, but I'm still investigating where the real culprit is. The snd_pcm_format_width() is used only for sample filling (which is OK). Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
