[PATCH 2/8] wineoss: Move get_latency to the unixlib.

[Andrew Eikum]

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

On Wed, Apr 13, 2022 at 07:38:45AM +0100, Huw Davies wrote:
> Signed-off-by: Huw Davies <huw at codeweavers.com>
> ---
>  dlls/wineoss.drv/mmdevdrv.c | 14 +++++---------
>  dlls/wineoss.drv/oss.c      | 15 +++++++++++++++
>  dlls/wineoss.drv/unixlib.h  |  8 ++++++++
>  3 files changed, 28 insertions(+), 9 deletions(-)
> 
> diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
> index a2f75d7a479..8a2329d1f04 100644
> --- a/dlls/wineoss.drv/mmdevdrv.c
> +++ b/dlls/wineoss.drv/mmdevdrv.c
> @@ -806,7 +806,7 @@ static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface,
>          REFERENCE_TIME *latency)
>  {
>      ACImpl *This = impl_from_IAudioClient3(iface);
> -    struct oss_stream *stream = This->stream;
> +    struct get_latency_params params;
>  
>      TRACE("(%p)->(%p)\n", This, latency);
>  
> @@ -816,15 +816,11 @@ static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface,
>      if(!This->stream)
>          return AUDCLNT_E_NOT_INITIALIZED;
>  
> -    oss_lock(stream);
> -
> -    /* pretend we process audio in Period chunks, so max latency includes
> -     * the period time.  Some native machines add .6666ms in shared mode. */
> -    *latency = (REFERENCE_TIME)stream->period_us * 10 + 6666;
> -
> -    oss_unlock(stream);
> +    params.stream = This->stream;
> +    params.latency = latency;
> +    OSS_CALL(get_latency, &params);
>  
> -    return S_OK;
> +    return params.result;
>  }
>  
>  static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient3 *iface,
> diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
> index fdad419abfa..a80557b2c15 100644
> --- a/dlls/wineoss.drv/oss.c
> +++ b/dlls/wineoss.drv/oss.c
> @@ -762,6 +762,20 @@ static NTSTATUS get_buffer_size(void *args)
>      return oss_unlock_result(stream, &params->result, S_OK);
>  }
>  
> +static NTSTATUS get_latency(void *args)
> +{
> +    struct get_latency_params *params = args;
> +    struct oss_stream *stream = params->stream;
> +
> +    oss_lock(stream);
> +
> +    /* pretend we process audio in Period chunks, so max latency includes
> +     * the period time.  Some native machines add .6666ms in shared mode. */
> +    *params->latency = (REFERENCE_TIME)stream->period_us * 10 + 6666;
> +
> +    return oss_unlock_result(stream, &params->result, S_OK);
> +}
> +
>  unixlib_entry_t __wine_unix_call_funcs[] =
>  {
>      test_connect,
> @@ -771,4 +785,5 @@ unixlib_entry_t __wine_unix_call_funcs[] =
>      is_format_supported,
>      get_mix_format,
>      get_buffer_size,
> +    get_latency,
>  };
> diff --git a/dlls/wineoss.drv/unixlib.h b/dlls/wineoss.drv/unixlib.h
> index b57798ef435..9f4c736fe4e 100644
> --- a/dlls/wineoss.drv/unixlib.h
> +++ b/dlls/wineoss.drv/unixlib.h
> @@ -113,6 +113,13 @@ struct get_buffer_size_params
>      UINT32 *size;
>  };
>  
> +struct get_latency_params
> +{
> +    struct oss_stream *stream;
> +    HRESULT result;
> +    REFERENCE_TIME *latency;
> +};
> +
>  enum oss_funcs
>  {
>      oss_test_connect,
> @@ -122,6 +129,7 @@ enum oss_funcs
>      oss_is_format_supported,
>      oss_get_mix_format,
>      oss_get_buffer_size,
> +    oss_get_latency,
>  };
>  
>  extern unixlib_handle_t oss_handle;
> -- 
> 2.25.1
> 
>