On Wed, 2007-04-18 at 14:00 +0200, Michel Benoit wrote: > I'm using gcc 4.1.2 built with buildroot to cross compile alsa lib. > I've tried it with -O1 as reccomended in the gcc bug discussion but I > see a similar behaviour. Now it does not give a > > I've turned on debug messages in alsa lib which shows the following > > cchange 'default' > refine_soft 'default' > refine_soft 'default' (begin) > ACCESS: RW_INTERLEAVED > FORMAT: S16_LE > SUBFORMAT: STD > SAMPLE_BITS: 16 > FRAME_BITS: 32 > CHANNELS: 2 > RATE: 48000 > PERIOD_TIME: (42666 42667) > PERIOD_SIZE: 2048 > PERIOD_BYTES: 8192 > PERIODS: 4 > BUFFER_TIME: (170666 170667) > BUFFER_SIZE: 8192 > BUFFER_BYTES: 32768 > TICK_TIME: 10000 > refine_soft ok 'default' > refine_slave - leave 'default' > ********** was set period_size = 0 > ********** was set buffer_size = 0 > > It seems that that alsa lib is not returning the correct values. Is > this typical of the gcc bug? Iirc, some pcm refinements were being broken by this bug. So it could be causing the period size = 0. > > What gcc version are you using? 4.1.1 > Can you also send me the parameters you use with ./configure to setup > the cross-compilation? > > I use the following: > > CFLAGS="-Wall -O1" \ > CXXFLAGS="-Wall -O1" \ > CC=arm-linux-gcc ./configure \ > --host=arm-linux\ > --prefix=$HOME/bsp/rootfs/buildroot/build_arm/root/usr\ > --with-softfloat\ > --with-debug=yes > The OE recipe used to build alsa-lib for OE is here (although, it needs updating):- http://www.openembedded.org/repo/org.openembedded.dev/packages/alsa/alsa-lib_1.0.13.bb Btw, have you tried any other tests or aplay ? What about aplay -Dhw:0.0 file.wav (this should rule out missing conf files that buildroot has not installed) Liam _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
