[PATCH 6/9] winepulse: Set pulse master volume to 0 when session is muted.

[Andrew Eikum]

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

On Thu, May 13, 2021 at 04:04:23PM +0200, Jacek Caban wrote:
> Signed-off-by: Jacek Caban <jacek at codeweavers.com>
> ---
>  dlls/winepulse.drv/mmdevdrv.c | 24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)
> 
> 

> diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
> index fc9077b41ce..e638c815ba4 100644
> --- a/dlls/winepulse.drv/mmdevdrv.c
> +++ b/dlls/winepulse.drv/mmdevdrv.c
> @@ -249,21 +249,25 @@ static void silence_buffer(pa_sample_format_t format, BYTE *buffer, UINT32 bytes
>  static int write_buffer(const ACImpl *This, BYTE *buffer, UINT32 bytes)
>  {
>      const float *vol = This->pulse_stream->vol;
> +    UINT32 i, channels, mute = 0;
>      BOOL adjust = FALSE;
> -    UINT32 i, channels;
>      BYTE *end;
>  
>      if (!bytes) return 0;
> -    if (This->session->mute)
> -    {
> -        silence_buffer(This->pulse_stream->ss.format, buffer, bytes);
> -        goto write;
> -    }
>  
>      /* Adjust the buffer based on the volume for each channel */
>      channels = This->pulse_stream->ss.channels;
>      for (i = 0; i < channels; i++)
> +    {
>          adjust |= vol[i] != 1.0f;
> +        if (vol[i] == 0.0f)
> +            mute++;
> +    }
> +    if (mute == channels)
> +    {
> +        silence_buffer(This->pulse_stream->ss.format, buffer, bytes);
> +        goto write;
> +    }
>      if (!adjust) goto write;
>  
>      end = buffer + bytes;
> @@ -525,7 +529,8 @@ static DWORD WINAPI pulse_timer_cb(void *user)
>  
>  static void set_stream_volumes(ACImpl *This)
>  {
> -    pulse->set_volumes(This->pulse_stream, This->session->master_vol, This->vol,
> +    float master_vol = This->session->mute ? 0.0f : This->session->master_vol;
> +    pulse->set_volumes(This->pulse_stream, master_vol, This->vol,
>                         This->session->channel_vols);
>  }
>  
> @@ -2633,13 +2638,18 @@ static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
>  {
>      AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
>      AudioSession *session = This->session;
> +    ACImpl *client;
>  
>      TRACE("(%p)->(%u, %s)\n", session, mute, debugstr_guid(context));
>  
>      if (context)
>          FIXME("Notifications not supported yet\n");
>  
> +    pulse->lock();
>      session->mute = mute;
> +    LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry)
> +        set_stream_volumes(client);
> +    pulse->unlock();
>  
>      return S_OK;
>  }
>