[PATCH 3/5] wineoss: Move release_render_buffer to the unixlib.

[Huw Davies]

Signed-off-by: Huw Davies 
---
 dlls/wineoss.drv/mmdevdrv.c | 74 +++----------------------------------
 dlls/wineoss.drv/oss.c      | 59 +++++++++++++++++++++++++++++
 dlls/wineoss.drv/unixlib.h  |  9 +++++
 3 files changed, 74 insertions(+), 68 deletions(-)

diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index 491e4fc5d16..d719922c2b7 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -919,18 +919,6 @@ static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient3 *iface,
     return S_OK;
 }

-static void silence_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 frames)
-{
-    WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)stream->fmt;
-    if((stream->fmt->wFormatTag == WAVE_FORMAT_PCM ||
-            (stream->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
-             IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
-            stream->fmt->wBitsPerSample == 8)
-        memset(buffer, 128, frames * stream->fmt->nBlockAlign);
-    else
-        memset(buffer, 0, frames * stream->fmt->nBlockAlign);
-}
-
 static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
 {
     ACImpl *This = impl_from_IAudioClient3(iface);
@@ -1268,70 +1256,20 @@ static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
     return params.result;
 }

-static void oss_wrap_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 written_frames)
-{
-    UINT32 write_offs_frames =
-        (stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames;
-    UINT32 write_offs_bytes = write_offs_frames * stream->fmt->nBlockAlign;
-    UINT32 chunk_frames = stream->bufsize_frames - write_offs_frames;
-    UINT32 chunk_bytes = chunk_frames * stream->fmt->nBlockAlign;
-    UINT32 written_bytes = written_frames * stream->fmt->nBlockAlign;
-
-    if(written_bytes <= chunk_bytes){
-        memcpy(stream->local_buffer + write_offs_bytes, buffer, written_bytes);
-    }else{
-        memcpy(stream->local_buffer + write_offs_bytes, buffer, chunk_bytes);
-        memcpy(stream->local_buffer, buffer + chunk_bytes,
-                written_bytes - chunk_bytes);
-    }
-}
-
 static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
         IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
 {
     ACImpl *This = impl_from_IAudioRenderClient(iface);
-    struct oss_stream *stream = This->stream;
-    BYTE *buffer;
+    struct release_render_buffer_params params;

TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);

-    oss_lock(stream);
-
-    if(!written_frames){
-        stream->getbuf_last = 0;
-        oss_unlock(stream);
-        return S_OK;
-    }
-
-    if(!stream->getbuf_last){
-        oss_unlock(stream);
-        return AUDCLNT_E_OUT_OF_ORDER;
-    }
-
-    if(written_frames > (stream->getbuf_last >= 0 ? stream->getbuf_last : -stream->getbuf_last)){
-        oss_unlock(stream);
-        return AUDCLNT_E_INVALID_SIZE;
-    }
-
-    if(stream->getbuf_last >= 0)
-        buffer = stream->local_buffer + stream->fmt->nBlockAlign *
-          ((stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames);
-    else
-        buffer = stream->tmp_buffer;
-
-    if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
-        silence_buffer(stream, buffer, written_frames);
-
-    if(stream->getbuf_last < 0)
-        oss_wrap_buffer(stream, buffer, written_frames);
-
-    stream->held_frames += written_frames;
-    stream->written_frames += written_frames;
-    stream->getbuf_last = 0;
-
-    oss_unlock(stream);
+    params.stream = This->stream;
+    params.written_frames = written_frames;
+    params.flags = flags;
+    OSS_CALL(release_render_buffer, &params);

-    return S_OK;
+    return params.result;
 }

static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
index 9c45aa082b4..4a568f51667 100644
--- a/dlls/wineoss.drv/oss.c
+++ b/dlls/wineoss.drv/oss.c
@@ -924,6 +924,64 @@ static NTSTATUS get_render_buffer(void *args)
     return oss_unlock_result(stream, &params->result, S_OK);
 }

+static void oss_wrap_buffer(struct oss_stream *stream, BYTE *buffer, UINT32 written_frames)
+{
+    UINT32 write_offs_frames =
+        (stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames;
+    UINT32 write_offs_bytes = write_offs_frames * stream->fmt->nBlockAlign;
+    UINT32 chunk_frames = stream->bufsize_frames - write_offs_frames;
+    UINT32 chunk_bytes = chunk_frames * stream->fmt->nBlockAlign;
+    UINT32 written_bytes = written_frames * stream->fmt->nBlockAlign;
+
+    if(written_bytes <= chunk_bytes){
+        memcpy(stream->local_buffer + write_offs_bytes, buffer, written_bytes);
+    }else{
+        memcpy(stream->local_buffer + write_offs_bytes, buffer, chunk_bytes);
+        memcpy(stream->local_buffer, buffer + chunk_bytes,
+                written_bytes - chunk_bytes);
+    }
+}
+
+static NTSTATUS release_render_buffer(void *args)
+{
+    struct release_render_buffer_params *params = args;
+    struct oss_stream *stream = params->stream;
+    UINT32 written_frames = params->written_frames;
+    UINT flags = params->flags;
+    BYTE *buffer;
+
+    oss_lock(stream);
+
+    if(!written_frames){
+        stream->getbuf_last = 0;
+        return oss_unlock_result(stream, &params->result, S_OK);
+    }
+
+    if(!stream->getbuf_last)
+        return oss_unlock_result(stream, &params->result, AUDCLNT_E_OUT_OF_ORDER);
+
+    if(written_frames > (stream->getbuf_last >= 0 ? stream->getbuf_last : -stream->getbuf_last))
+        return oss_unlock_result(stream, &params->result, AUDCLNT_E_INVALID_SIZE);
+
+    if(stream->getbuf_last >= 0)
+        buffer = stream->local_buffer + stream->fmt->nBlockAlign *
+          ((stream->lcl_offs_frames + stream->held_frames) % stream->bufsize_frames);
+    else
+        buffer = stream->tmp_buffer;
+
+    if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
+        silence_buffer(stream, buffer, written_frames);
+
+    if(stream->getbuf_last < 0)
+        oss_wrap_buffer(stream, buffer, written_frames);
+
+    stream->held_frames += written_frames;
+    stream->written_frames += written_frames;
+    stream->getbuf_last = 0;
+
+    return oss_unlock_result(stream, &params->result, S_OK);
+}
+
 static NTSTATUS is_format_supported(void *args)
 {
     struct is_format_supported_params *params = args;
@@ -1122,6 +1180,7 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     reset,
     timer_loop,
     get_render_buffer,
+    release_render_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 0d83a03d64f..e7c3a91691d 100644
--- a/dlls/wineoss.drv/unixlib.h
+++ b/dlls/wineoss.drv/unixlib.h
@@ -121,6 +121,14 @@ struct get_render_buffer_params
     BYTE **data;
 };

+struct release_render_buffer_params
+{
+    struct oss_stream *stream;
+    UINT32 written_frames;
+    UINT flags;
+    HRESULT result;
+};
+
 struct is_format_supported_params
 {
     const char *device;
@@ -178,6 +186,7 @@ enum oss_funcs
     oss_reset,
     oss_timer_loop,
     oss_get_render_buffer,
+    oss_release_render_buffer,
     oss_is_format_supported,
     oss_get_mix_format,
     oss_get_buffer_size,