On Monday, March 13, 2023 8:06:15 PM CET Dorinda Bassey wrote:
> >
> > Are you sure about sizeof(n_bytes) here? That's 4. ;-)
> >
> my bad!
>
> >
> > Volker's point was that "silence" is the center of the wave range. With
> > signed
> > range that's zero, yes, but with unsigned range that's 2^(bit
Am 13.03.23 um 14:11 schrieb Dorinda Bassey:
Hi Volker,
To hear this,
start QEMU with qemu-system-x86_64 -machine pcspk-audiodev=audio0
-device ich9-intel-hda -device hda-duplex,audiodev=audio0 -audiodev
pipewire,id=audio0,out.mixing-engine=off ...
I hear the clipped audio strea
>
> Are you sure about sizeof(n_bytes) here? That's 4. ;-)
>
my bad!
>
> Volker's point was that "silence" is the center of the wave range. With
> signed
> range that's zero, yes, but with unsigned range that's 2^(bitdepth) / 2.
>
> So you need to memset() the correct value to generate "silence".
On Monday, March 13, 2023 2:11:11 PM CET Dorinda Bassey wrote:
> Hi Volker,
>
>
> > To hear this,
> > start QEMU with qemu-system-x86_64 -machine pcspk-audiodev=audio0
> > -device ich9-intel-hda -device hda-duplex,audiodev=audio0 -audiodev
> > pipewire,id=audio0,out.mixing-engine=off ...
> >
> I
Hi Volker,
> To hear this,
> start QEMU with qemu-system-x86_64 -machine pcspk-audiodev=audio0
> -device ich9-intel-hda -device hda-duplex,audiodev=audio0 -audiodev
> pipewire,id=audio0,out.mixing-engine=off ...
>
I hear the clipped audio stream with these options. IMO, I don't think
memset is re
+/* output data processing function to read stuffs from the buffer */
+static void
+playback_on_process(void *data)
+{
+PWVoice *v = (PWVoice *) data;
+void *p;
+struct pw_buffer *b;
+struct spa_buffer *buf;
+uint32_t n_frames, req, index, n_bytes;
+int32_t avail;
+
+if
Hi Dorinda,
I've started to write down my suggestions and comments. After more than
one page of text, I think that without sample code, the text is not very
understandable. Therefore I will write three mails.
In this mail I describe the problem with the QEMU Pipewire audio
backend. My next m
Hi Marc-André,
Thank you for your feedback.
Given that we have only one loop, I would set the thread name to NULL,
> (which will use "pw-thread-loop" by default)
>
I think it's preferable to be explicit and clear about the thread name.
It's not clear to me the reason being that it's only one loop
Am 08.03.23 um 11:39 schrieb Marc-André Lureau:
Volker, Wim, it would be nice if you could review/comment too!
thanks
Hi,
last weekend I replaced pulseaudio with pipewire on my host computer and
tested the QEMU pipewire backend. It doesn't work well on my computer,
but with a few changes i
Hi
On Mon, Mar 6, 2023 at 9:11 PM Dorinda Bassey wrote:
>
> This commit adds a new audiodev backend to allow QEMU to use Pipewire as
> both an audio sink and source. This backend is available on most systems
>
> Add Pipewire entry points for QEMU Pipewire audio backend
> Add wrappers for QEMU Pip
Hi Marc-André,
Do you mind summarizing your review on the buffering section, and leave
comments so i can address everything once and for all? This will help
reduce the number of versions that needs to be done.
Thanks,
Dorinda.
On Tue, Mar 7, 2023 at 3:41 PM Marc-André Lureau
wrote:
> Hi Dorind
Hi Dorinda
On Mon, Mar 6, 2023 at 9:11 PM Dorinda Bassey wrote:
>
> This commit adds a new audiodev backend to allow QEMU to use Pipewire as
> both an audio sink and source. This backend is available on most systems
>
> Add Pipewire entry points for QEMU Pipewire audio backend
> Add wrappers for
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