> On Mon, Oct 28, 2013 at 12:53:34PM +0100, Clemens Ladisch wrote:
>Roger wrote:
>> Trying to reduce my left and right channels to 0.5, but am noticing ALSA is
>> only reading values specified as floating as "0".
>>
>> The below should reduce the volume slightly on channels left (0) and right
>> (0),
>> but it's obvious I'm getting the channel set to zero (0) or off.
>>
>> pcm.myHDMI {
>> type route slave {
>> pcm "hw:1,7"
>> format S32_LE
>> channels 6 }
>> ttable {
>> 0.0= 0.9
>> 1.1= 0.9
>> 2.4= 1
>> 3.5= 1
>> 4.2= 1
>> 5.3= 1
>> }
>> }
>
>The ttable entries are floating-point numbers, except when alsa-lib was
>configured --with-softfloat.
I guess just what I needed to hear.
However...
--- Snip ---
configure:12281: checking for softfloat
configure:12299: result: no
configure:7609: checking for inttypes.h
configure:7609: x86_64-pc-linux-gnu-gcc -c -Ofast -march=corei7 -pipe
-D_GNU_SOURCE conftest.c >&5
configure:7609: $? = 0
configure:7609: result: yes
| /* Override any GCC internal prototype to avoid an error.
| Use char because int might match the return type of a GCC
| builtin and then its argument prototype would still apply. */
--- Snip ---
I don't see much else within config.log concerning int/float, except for
floating relevant to stream types.
Looking over the Gentoo ebuild package script:
--disable-maintainer-mode --enable-shared --disable-resmgr --enable-rawmidi
--enable-seq --enable-aload
This is =media-libs/alsa-lib-1.0.27.1. I'll try stepping down to
media-libs/alsa-lib-1.0.26-r1.
--
Roger
http://rogerx.freeshell.org/
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