Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-11 Thread Programmingkid
> On Sep 11, 2021, at 5:46 AM, Howard Spoelstra wrote: > > > > On Fri, Sep 10, 2021 at 9:23 PM Programmingkid > wrote: > > > > On Sep 10, 2021, at 7:51 AM, BALATON Zoltan wrote: > > > > On Fri, 10 Sep 2021, Howard Spoelstra wrote: > >> On Fri, Sep 10, 2021 at 7:07 AM Gerd Hoffmann wro

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-11 Thread Howard Spoelstra
On Fri, Sep 10, 2021 at 9:23 PM Programmingkid wrote: > > > > On Sep 10, 2021, at 7:51 AM, BALATON Zoltan wrote: > > > > On Fri, 10 Sep 2021, Howard Spoelstra wrote: > >> On Fri, Sep 10, 2021 at 7:07 AM Gerd Hoffmann > wrote: > >> > >>> On Thu, Sep 09, 2021 at 05:06:17PM -0400, Programmingkid w

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-10 Thread Programmingkid
> On Sep 10, 2021, at 7:51 AM, BALATON Zoltan wrote: > > On Fri, 10 Sep 2021, Howard Spoelstra wrote: >> On Fri, Sep 10, 2021 at 7:07 AM Gerd Hoffmann wrote: >> >>> On Thu, Sep 09, 2021 at 05:06:17PM -0400, Programmingkid wrote: Hi Gerd, Howard and I were talking about USB au

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-10 Thread BALATON Zoltan
On Fri, 10 Sep 2021, Howard Spoelstra wrote: On Fri, Sep 10, 2021 at 7:07 AM Gerd Hoffmann wrote: On Thu, Sep 09, 2021 at 05:06:17PM -0400, Programmingkid wrote: Hi Gerd, Howard and I were talking about USB audio problems with Mac OS guests. We think the issue might be with frames being sen

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-10 Thread Gerd Hoffmann
Hi, > > > * TODO: > > > * o Isochronous transfers > > Most likely yes, audio devices typically use iso endpints. > The usb-audio device works for the fedora guest, so would this not indicate > that the iso endpoints are already working? Indeed, so probably the comment is just outdated. ta

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-09 Thread Howard Spoelstra
On Fri, Sep 10, 2021 at 7:07 AM Gerd Hoffmann wrote: > On Thu, Sep 09, 2021 at 05:06:17PM -0400, Programmingkid wrote: > > Hi Gerd, > > > > Howard and I were talking about USB audio problems with Mac OS guests. > We think the issue might be with frames being sent to the USB audio card > too soon.

Re: Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-09 Thread Gerd Hoffmann
On Thu, Sep 09, 2021 at 05:06:17PM -0400, Programmingkid wrote: > Hi Gerd, > > Howard and I were talking about USB audio problems with Mac OS guests. We > think the issue might be with frames being sent to the USB audio card too > soon. My guess is only one frame is suppose to be transmitted eve

Implementing isochronous transfers in hw/hcd-ohci.c

2021-09-09 Thread Programmingkid
Hi Gerd, Howard and I were talking about USB audio problems with Mac OS guests. We think the issue might be with frames being sent to the USB audio card too soon. My guess is only one frame is suppose to be transmitted every 1 millisecond. I was also reading the todo notes in the file hw/hcd-oh