[PATCH 1/2] winepulse.drv: Make timer thread time-critical.

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Sat, Mar 06, 2021 at 02:27:13AM +0100, Torge Matthies wrote:
> Signed-off-by: Torge Matthies <openglfreak at googlemail.com>
> ---
> These two patches help applications that need very low audio latency.
> They make sense individually, but are related so I'm sending them as one set.
> 
> This first patch does nothing on vanilla Wine, but helps on Wine Staging and
> other patched Wine versions.
> 
>  dlls/winepulse.drv/mmdevdrv.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
> index 417067f0bf8..4609b2851ed 100644
> --- a/dlls/winepulse.drv/mmdevdrv.c
> +++ b/dlls/winepulse.drv/mmdevdrv.c
> @@ -2045,8 +2045,10 @@ static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
>          This->started = TRUE;
>          This->just_started = TRUE;
>  
> -        if(!This->timer)
> +        if(!This->timer) {
>              This->timer = CreateThread(NULL, 0, pulse_timer_cb, This, 0, NULL);
> +            SetThreadPriority(This->timer, THREAD_PRIORITY_TIME_CRITICAL);
> +        }
>      }
>      pthread_mutex_unlock(&pulse_lock);
>      return hr;
> -- 
> 2.30.1
> 
>