At Tue, 13 Nov 2007 16:47:38 +0300, Timofei V. Bondarenko wrote: > > Takashi Iwai wrote: > > At Wed, 07 Nov 2007 15:12:46 +0300, > > Timofei V. Bondarenko wrote: > >> Hi. > >> > >> Enable capturing of raw 32bit IEC958_SUBFRAME. > >> > >> The 24-bits PCM data can be obtained using iec958 plugin. > >> > >> Known problem: captured stream may begin with either left or right > >> subframe. Since the iec958 plugin doesn't decode preamble it may swap > >> the channels sometime. > >> > >> Regards, > >> Tim. > > > > Applied this one, too. > > (Do you happen to have a fix for iec958 plugin, too? :) > > Not yet. > I'm in doubt about a clean way to drop one subframe from the raw stream. > Could you give me a hint? It'll be tricky, yes. We can prepend a zero in the first shot and keep one pending channel data to shift. For example, raw: R0 L0 R1 L1 R2 L2 ... R(n-1) L(n-1) | R(n) L(n) ... dec: 0 R0 L0 R1 L1 R2 ... L(n-2) R(n-1) | L(n-1) R(n) ... Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
