winecoreaudio: Move is_format_supported to the unixlib.

dlls/winecoreaudio.drv/coreaudio.c

@@ -948,10 +948,75 @@ static NTSTATUS get_mix_format(void *args)
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS is_format_supported(void *args)
+{
+    struct is_format_supported_params *params = args;
+    const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)params->fmt_in;
+    AudioStreamBasicDescription dev_desc;
+    AudioConverterRef converter;
+    AudioComponentInstance unit;
+
+    params->result = S_OK;
+
+    if(!params->fmt_in || (params->share == AUDCLNT_SHAREMODE_SHARED && !params->fmt_out))
+        params->result = E_POINTER;
+    else if(params->share != AUDCLNT_SHAREMODE_SHARED && params->share != AUDCLNT_SHAREMODE_EXCLUSIVE)
+        params->result = E_INVALIDARG;
+    else if(params->fmt_in->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
+        if(params->fmt_in->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
+            params->result = E_INVALIDARG;
+        else if(params->fmt_in->nAvgBytesPerSec == 0 || params->fmt_in->nBlockAlign == 0 ||
+                fmtex->Samples.wValidBitsPerSample > params->fmt_in->wBitsPerSample)
+            params->result = E_INVALIDARG;
+        else if(fmtex->Samples.wValidBitsPerSample < params->fmt_in->wBitsPerSample)
+            goto unsupported;
+        else if(params->share == AUDCLNT_SHAREMODE_EXCLUSIVE &&
+                (fmtex->dwChannelMask == 0 || fmtex->dwChannelMask & SPEAKER_RESERVED))
+            goto unsupported;
+    }
+    if(FAILED(params->result)) return STATUS_SUCCESS;
+
+    if(params->fmt_in->nBlockAlign != params->fmt_in->nChannels * params->fmt_in->wBitsPerSample / 8 ||
+       params->fmt_in->nAvgBytesPerSec != params->fmt_in->nBlockAlign * params->fmt_in->nSamplesPerSec)
+        goto unsupported;
+
+    if(params->fmt_in->nChannels == 0){
+        params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
+        return STATUS_SUCCESS;
+    }
+    unit = get_audiounit(params->flow, params->dev_id);
+
+    converter = NULL;
+    params->result = ca_setup_audiounit(params->flow, unit, params->fmt_in, &dev_desc, &converter);
+    AudioComponentInstanceDispose(unit);
+    if(FAILED(params->result)) goto unsupported;
+    if(converter) AudioConverterDispose(converter);
+
+    params->result = S_OK;
+    return STATUS_SUCCESS;
+
+unsupported:
+    if(params->fmt_out){
+        struct get_mix_format_params get_mix_params =
+        {
+            .flow = params->flow,
+            .dev_id = params->dev_id,
+            .fmt = params->fmt_out,
+        };
+
+        get_mix_format(&get_mix_params);
+        params->result = get_mix_params.result;
+        if(SUCCEEDED(params->result)) params->result = S_FALSE;
+    }
+    else params->result = AUDCLNT_E_UNSUPPORTED_FORMAT;
+    return STATUS_SUCCESS;
+}
+
 unixlib_entry_t __wine_unix_call_funcs[] =
 {
     get_endpoint_ids,
     create_stream,
     release_stream,
     get_mix_format,
+    is_format_supported,
 };

dlls/winecoreaudio.drv/unixlib.h

@@ -83,12 +83,23 @@ struct get_mix_format_params
     HRESULT result;
 };
 
+struct is_format_supported_params
+{
+    EDataFlow flow;
+    DWORD dev_id;
+    AUDCLNT_SHAREMODE share;
+    const WAVEFORMATEX *fmt_in;
+    WAVEFORMATEXTENSIBLE *fmt_out;
+    HRESULT result;
+};
+
 enum unix_funcs
 {
     unix_get_endpoint_ids,
     unix_create_stream,
     unix_release_stream,
     unix_get_mix_format,
+    unix_is_format_supported,
 };
 
 extern unixlib_handle_t coreaudio_handle;