Re: [Qemu-devel] Audio

[Darryl Dixon]

Malc,

    Definitely seems to be something wrong with my setup; with QEMU_AUDIO_DRV set to either oss or sdl I get no output, but if it's set to wav the qemu.wav file is generated correctly and upon playback contains the correct sounds...

Cheers,
D




On Fri, 2004-08-13 at 16:53, Darryl Dixon wrote:

Hi Malc,

    No luck for me; Win98 guest 'sees' the card OK now (patch applied to latest snapshot) but no sound arrives on the host from the act of playing a sound in the guest :(   Perhaps something odd on my setup?  As a side note, applying the patch appears to break the compile for the ppc target in ppc-softmmu/:
g++ -Wall -O2 -g -fno-strict-aliasing -fomit-frame-pointer  -I. -I/opt/src/qemu-snapshot-2004-08-12_23/target-ppc -I/opt/src/qemu-snapshot-2004-08-12_23 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/opt/src/qemu-snapshot-2004-08-12_23/slirp -c -o mixeng.o /opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc
In file included from /opt/src/qemu-snapshot-2004-08-12_23/vl.h:71,
                 from /opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc:29:
/opt/src/qemu-snapshot-2004-08-12_23/target-ppc/cpu.h: In function `int32_t
   s_ext8(unsigned char)':
/opt/src/qemu-snapshot-2004-08-12_23/target-ppc/cpu.h:33: error: invalid
   conversion from `uint8_t*' to `int8_t*'
/opt/src/qemu-snapshot-2004-08-12_23/target-ppc/cpu.h: In function `int32_t
   s_ext16(short unsigned int)':
/opt/src/qemu-snapshot-2004-08-12_23/target-ppc/cpu.h:41: error: invalid
   conversion from `uint16_t*' to `int16_t*'
In file included from /opt/src/qemu-snapshot-2004-08-12_23/target-ppc/cpu.h:213,
                 from /opt/src/qemu-snapshot-2004-08-12_23/vl.h:71,
                 from /opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc:29:
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h: In function `uint64_t
   ldq_raw(void*)':
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h:355: error: pointer of type
   `void *' used in arithmetic
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h: In function `void
   stq_raw(void*, long long unsigned int)':
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h:392: error: pointer of type
   `void *' used in arithmetic
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h: In function `double
   ldfq_raw(void*)':
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h:421: error: pointer of type
   `void *' used in arithmetic
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h: In function `void
   stfq_raw(void*, double)':
/opt/src/qemu-snapshot-2004-08-12_23/cpu-all.h:430: error: pointer of type
   `void *' used in arithmetic
/opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc: In function `void*
   st_rate_start(int, int)':
/opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc:224: warning: unused variable `
   uint32_t incr'
/opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc: In function `void
   st_rate_flow(void*, st_sample_t*, st_sample_t*, int*, int*)':
/opt/src/qemu-snapshot-2004-08-12_23/mixeng.cc:261: warning: unused variable `
   uint32_t tmp'
make[1]: *** [mixeng.o] Error 1
make[1]: Leaving directory `/opt/src/qemu-snapshot-2004-08-12_23/ppc-softmmu'
make: *** [all] Error 1


Thanks heaps for all your hard work,

D


On Fri, 2004-08-13 at 09:33, Joe Menola wrote:

Applying this patch and manually setting Win98 DMA to 5 has my sound worrking 
in both 98 and XP. 

Thanks a heap for your efforts, Malc.

-jm
On Thu August 12 2004 10:43 am, malc wrote:
> Hello,
>
> At http://www.boblycat.org/~malc/code/patches/qemu/ you will find
> latest(7th) audio patch.
>
> If you are using Win98 guest make sure that 16bit DMA for SoundBlaster is
> set to 5.
>
> There might be regressions since code was changed heavily to accomodate
> different/multiple sound cards (none are included in this patch, hopefully
> that would change soon)
>
> Three backends are included, they can be selected via environment
> variable, i.e.:
>
> QEMU_AUDIO_DRV=oss|sdl|wav
>
> WAV driver will produce `qemu.wav' in current working directory.


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