[PATCH 4/5] wineoss: Move get_capture_buffer to the unixlib.

[Huw Davies]

Signed-off-by: Huw Davies 
---
 dlls/wineoss.drv/mmdevdrv.c | 71 +++++--------------------------------
 dlls/wineoss.drv/oss.c      | 67 ++++++++++++++++++++++++++++++++++
 dlls/wineoss.drv/unixlib.h  | 12 +++++++
 3 files changed, 88 insertions(+), 62 deletions(-)

diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index d719922c2b7..cc9d22d21d0 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -1321,8 +1321,7 @@ static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
         UINT64 *qpcpos)
 {
     ACImpl *This = impl_from_IAudioCaptureClient(iface);
-    struct oss_stream *stream = This->stream;
-    SIZE_T size;
+    struct get_capture_buffer_params params;

TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
             devpos, qpcpos);
@@ -1335,67 +1334,15 @@ static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
     if(!frames || !flags)
         return E_POINTER;

-    oss_lock(stream);
-
-    if(stream->getbuf_last){
-        oss_unlock(stream);
-        return AUDCLNT_E_OUT_OF_ORDER;
-    }
-
-    if(stream->held_frames < stream->period_frames){
-        *frames = 0;
-        oss_unlock(stream);
-        return AUDCLNT_S_BUFFER_EMPTY;
-    }
-
-    *flags = 0;
-
-    *frames = stream->period_frames;
-
-    if(stream->lcl_offs_frames + *frames > stream->bufsize_frames){
-        UINT32 chunk_bytes, offs_bytes, frames_bytes;
-        if(stream->tmp_buffer_frames < *frames){
-            if(stream->tmp_buffer){
-                size = 0;
-                NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
-                stream->tmp_buffer = NULL;
-            }
-            size = *frames * stream->fmt->nBlockAlign;
-            if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0, &size,
-                                       MEM_COMMIT, PAGE_READWRITE)){
-                stream->tmp_buffer_frames = 0;
-                oss_unlock(stream);
-                return E_OUTOFMEMORY;
-            }
-            stream->tmp_buffer_frames = *frames;
-        }
-
-        *data = stream->tmp_buffer;
-        chunk_bytes = (stream->bufsize_frames - stream->lcl_offs_frames) *
-            stream->fmt->nBlockAlign;
-        offs_bytes = stream->lcl_offs_frames * stream->fmt->nBlockAlign;
-        frames_bytes = *frames * stream->fmt->nBlockAlign;
-        memcpy(stream->tmp_buffer, stream->local_buffer + offs_bytes, chunk_bytes);
-        memcpy(stream->tmp_buffer + chunk_bytes, stream->local_buffer,
-                frames_bytes - chunk_bytes);
-    }else
-        *data = stream->local_buffer +
-            stream->lcl_offs_frames * stream->fmt->nBlockAlign;
-
-    stream->getbuf_last = *frames;
-
-    if(devpos)
-       *devpos = stream->written_frames;
-    if(qpcpos){
-        LARGE_INTEGER stamp, freq;
-        QueryPerformanceCounter(&stamp);
-        QueryPerformanceFrequency(&freq);
-        *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
-    }
-
-    oss_unlock(stream);
+    params.stream = This->stream;
+    params.data = data;
+    params.frames = frames;
+    params.flags = flags;
+    params.devpos = devpos;
+    params.qpcpos = qpcpos;
+    OSS_CALL(get_capture_buffer, &params);

-    return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
+    return params.result;
 }

static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
index 4a568f51667..2e811f9b424 100644
--- a/dlls/wineoss.drv/oss.c
+++ b/dlls/wineoss.drv/oss.c
@@ -982,6 +982,72 @@ static NTSTATUS release_render_buffer(void *args)
     return oss_unlock_result(stream, &params->result, S_OK);
 }

+static NTSTATUS get_capture_buffer(void *args)
+{
+    struct get_capture_buffer_params *params = args;
+    struct oss_stream *stream = params->stream;
+    UINT64 *devpos = params->devpos, *qpcpos = params->qpcpos;
+    UINT32 *frames = params->frames;
+    UINT *flags = params->flags;
+    BYTE **data = params->data;
+    SIZE_T size;
+
+    oss_lock(stream);
+
+    if(stream->getbuf_last)
+        return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
+
+    if(stream->held_frames < stream->period_frames){
+        *frames = 0;
+        return oss_unlock_result(stream, &params->result, AUDCLNT_S_BUFFER_EMPTY);
+    }
+
+    *flags = 0;
+
+    *frames = stream->period_frames;
+
+    if(stream->lcl_offs_frames + *frames > stream->bufsize_frames){
+        UINT32 chunk_bytes, offs_bytes, frames_bytes;
+        if(stream->tmp_buffer_frames < *frames){
+            if(stream->tmp_buffer){
+                size = 0;
+                NtFreeVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, &size, MEM_RELEASE);
+                stream->tmp_buffer = NULL;
+            }
+            size = *frames * stream->fmt->nBlockAlign;
+            if(NtAllocateVirtualMemory(GetCurrentProcess(), (void **)&stream->tmp_buffer, 0, &size,
+                                       MEM_COMMIT, PAGE_READWRITE)){
+                stream->tmp_buffer_frames = 0;
+                return oss_unlock_result(stream, &params->result, E_OUTOFMEMORY);
+            }
+            stream->tmp_buffer_frames = *frames;
+        }
+
+        *data = stream->tmp_buffer;
+        chunk_bytes = (stream->bufsize_frames - stream->lcl_offs_frames) *
+            stream->fmt->nBlockAlign;
+        offs_bytes = stream->lcl_offs_frames * stream->fmt->nBlockAlign;
+        frames_bytes = *frames * stream->fmt->nBlockAlign;
+        memcpy(stream->tmp_buffer, stream->local_buffer + offs_bytes, chunk_bytes);
+        memcpy(stream->tmp_buffer + chunk_bytes, stream->local_buffer,
+                frames_bytes - chunk_bytes);
+    }else
+        *data = stream->local_buffer +
+            stream->lcl_offs_frames * stream->fmt->nBlockAlign;
+
+    stream->getbuf_last = *frames;
+
+    if(devpos)
+       *devpos = stream->written_frames;
+    if(qpcpos){
+        LARGE_INTEGER stamp, freq;
+        NtQueryPerformanceCounter(&stamp, &freq);
+        *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
+    }
+
+    return oss_unlock_result(stream, &params->result, *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY);
+}
+
 static NTSTATUS is_format_supported(void *args)
 {
     struct is_format_supported_params *params = args;
@@ -1181,6 +1247,7 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     timer_loop,
     get_render_buffer,
     release_render_buffer,
+    get_capture_buffer,
     is_format_supported,
     get_mix_format,
     get_buffer_size,
diff --git a/dlls/wineoss.drv/unixlib.h b/dlls/wineoss.drv/unixlib.h
index e7c3a91691d..ca6d1d69de3 100644
--- a/dlls/wineoss.drv/unixlib.h
+++ b/dlls/wineoss.drv/unixlib.h
@@ -129,6 +129,17 @@ struct release_render_buffer_params
     HRESULT result;
 };

+struct get_capture_buffer_params
+{
+    struct oss_stream *stream;
+    HRESULT result;
+    BYTE **data;
+    UINT32 *frames;
+    UINT *flags;
+    UINT64 *devpos;
+    UINT64 *qpcpos;
+};
+
 struct is_format_supported_params
 {
     const char *device;
@@ -187,6 +198,7 @@ enum oss_funcs
     oss_timer_loop,
     oss_get_render_buffer,
     oss_release_render_buffer,
+    oss_get_capture_buffer,
     oss_is_format_supported,
     oss_get_mix_format,
     oss_get_buffer_size,