[PATCH 3/6] mmdevapi: Stub AUDCLNT_STREAMFLAGS_LOOPBACK support.

[Paul Gofman]

From: Paul Gofman

---
 dlls/mmdevapi/client.c             | 39 ++++++++++++++++++++++++++++++
 dlls/mmdevapi/unixlib.h            | 10 ++++++++
 dlls/winealsa.drv/alsa.c           |  2 ++
 dlls/winecoreaudio.drv/coreaudio.c |  2 ++
 dlls/wineoss.drv/oss.c             |  2 ++
 dlls/winepulse.drv/pulse.c         |  2 ++
 6 files changed, 57 insertions(+)

diff --git a/dlls/mmdevapi/client.c b/dlls/mmdevapi/client.c
index ad7cc9ff2ab..5f6357a3bb9 100644
--- a/dlls/mmdevapi/client.c
+++ b/dlls/mmdevapi/client.c
@@ -21,6 +21,9 @@

#define COBJMACROS

+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+
 #include <wchar.h>

#include <audiopolicy.h>
@@ -581,6 +584,42 @@ static HRESULT WINAPI client_Initialize(IAudioClient3 *iface, AUDCLNT_SHAREMODE
         return params.result;
     }

+    if (flags & AUDCLNT_STREAMFLAGS_LOOPBACK)
+    {
+        struct get_loopback_capture_device_params params;
+
+        if (This->dataflow != eRender)
+        {
+            sessions_unlock();
+            return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
+        }
+
+        params.device = This->device_name;
+        params.name = name = get_application_name();
+        params.ret_device_len = 0;
+        params.ret_device = NULL;
+        params.result = E_NOTIMPL;
+        wine_unix_call(get_loopback_capture_device, &params);
+        while (params.result == STATUS_BUFFER_TOO_SMALL)
+        {
+            free(params.ret_device);
+            params.ret_device = malloc(params.ret_device_len);
+            wine_unix_call(get_loopback_capture_device, &params);
+        }
+        free(name);
+        if (FAILED(params.result))
+        {
+            sessions_unlock();
+            free(params.ret_device);
+            if (params.result == E_NOTIMPL)
+                FIXME("get_loopback_capture_device is not supported by backend.\n");
+            return params.result;
+        }
+        free(This->device_name);
+        This->device_name = params.ret_device;
+        This->dataflow = eCapture;
+    }
+
     if (FAILED(params.result = adjust_timing(This, &duration, &period, mode, flags, fmt)))
     {
         sessions_unlock();
diff --git a/dlls/mmdevapi/unixlib.h b/dlls/mmdevapi/unixlib.h
index d83ed918a51..4cb4c881bcf 100644
--- a/dlls/mmdevapi/unixlib.h
+++ b/dlls/mmdevapi/unixlib.h
@@ -140,6 +140,15 @@ struct is_format_supported_params
     HRESULT result;
 };

+struct get_loopback_capture_device_params
+{
+    const WCHAR *name;
+    const char *device;
+    char *ret_device;
+    UINT32 ret_device_len;
+    HRESULT result;
+};
+
 struct get_mix_format_params
 {
     const char *device;
@@ -313,6 +322,7 @@ enum unix_funcs
     get_capture_buffer,
     release_capture_buffer,
     is_format_supported,
+    get_loopback_capture_device,
     get_mix_format,
     get_device_period,
     get_buffer_size,
diff --git a/dlls/winealsa.drv/alsa.c b/dlls/winealsa.drv/alsa.c
index a24cb56d1d8..970db59ad12 100644
--- a/dlls/winealsa.drv/alsa.c
+++ b/dlls/winealsa.drv/alsa.c
@@ -2491,6 +2491,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     alsa_get_capture_buffer,
     alsa_release_capture_buffer,
     alsa_is_format_supported,
+    alsa_not_implemented,
     alsa_get_mix_format,
     alsa_get_device_period,
     alsa_get_buffer_size,
@@ -2947,6 +2948,7 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     alsa_wow64_get_capture_buffer,
     alsa_release_capture_buffer,
     alsa_wow64_is_format_supported,
+    alsa_not_implemented,
     alsa_wow64_get_mix_format,
     alsa_wow64_get_device_period,
     alsa_wow64_get_buffer_size,
diff --git a/dlls/winecoreaudio.drv/coreaudio.c b/dlls/winecoreaudio.drv/coreaudio.c
index deb9df1b45a..db5e1116bf8 100644
--- a/dlls/winecoreaudio.drv/coreaudio.c
+++ b/dlls/winecoreaudio.drv/coreaudio.c
@@ -1837,6 +1837,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     unix_get_capture_buffer,
     unix_release_capture_buffer,
     unix_is_format_supported,
+    unix_not_implemented,
     unix_get_mix_format,
     unix_get_device_period,
     unix_get_buffer_size,
@@ -2292,6 +2293,7 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     unix_wow64_get_capture_buffer,
     unix_release_capture_buffer,
     unix_wow64_is_format_supported,
+    unix_not_implemented,
     unix_wow64_get_mix_format,
     unix_wow64_get_device_period,
     unix_wow64_get_buffer_size,
diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
index 819e876606c..a017d242a98 100644
--- a/dlls/wineoss.drv/oss.c
+++ b/dlls/wineoss.drv/oss.c
@@ -1691,6 +1691,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     oss_get_capture_buffer,
     oss_release_capture_buffer,
     oss_is_format_supported,
+    oss_not_implemented,
     oss_get_mix_format,
     oss_get_device_period,
     oss_get_buffer_size,
@@ -2186,6 +2187,7 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     oss_wow64_get_capture_buffer,
     oss_release_capture_buffer,
     oss_wow64_is_format_supported,
+    oss_not_implemented,
     oss_wow64_get_mix_format,
     oss_wow64_get_device_period,
     oss_wow64_get_buffer_size,
diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 068245f03b2..9d3363e2638 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -2536,6 +2536,7 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     pulse_get_capture_buffer,
     pulse_release_capture_buffer,
     pulse_is_format_supported,
+    pulse_not_implemented,
     pulse_get_mix_format,
     pulse_get_device_period,
     pulse_get_buffer_size,
@@ -3007,6 +3008,7 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     pulse_wow64_get_capture_buffer,
     pulse_release_capture_buffer,
     pulse_wow64_is_format_supported,
+    pulse_not_implemented,
     pulse_wow64_get_mix_format,
     pulse_wow64_get_device_period,
     pulse_wow64_get_buffer_size,