From 42d826bc8c1d625ed2985ff06c2cd047209a1916 Mon Sep 17 00:00:00 2001
From: Jacek Caban <jacek@codeweavers.com>
Date: Wed, 19 May 2021 22:24:23 +0200
Subject: [PATCH] winepulse: Move pulse_get_current_padding to unix lib.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/winepulse.drv/mmdevdrv.c | 24 +++--------------------
 dlls/winepulse.drv/pulse.c    | 37 +++++++++++++++++++++++++++++++++++
 dlls/winepulse.drv/unixlib.h  |  1 +
 3 files changed, 41 insertions(+), 21 deletions(-)

diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
index 8938eac011c..654126e6dfe 100644
--- a/dlls/winepulse.drv/mmdevdrv.c
+++ b/dlls/winepulse.drv/mmdevdrv.c
@@ -638,11 +638,6 @@ static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface,
     return pulse->get_latency(This->pulse_stream, latency);
 }
 
-static void ACImpl_GetRenderPad(ACImpl *This, UINT32 *out)
-{
-    *out = This->pulse_stream->held_bytes / pa_frame_size(&This->pulse_stream->ss);
-}
-
 static void ACImpl_GetCapturePad(ACImpl *This, UINT32 *out)
 {
     ACPacket *packet = This->pulse_stream->locked_ptr;
@@ -659,28 +654,15 @@ static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient3 *iface,
         UINT32 *out)
 {
     ACImpl *This = impl_from_IAudioClient3(iface);
-    HRESULT hr;
 
     TRACE("(%p)->(%p)\n", This, out);
 
     if (!out)
         return E_POINTER;
+    if (!This->pulse_stream)
+        return AUDCLNT_E_NOT_INITIALIZED;
 
-    pulse->lock();
-    hr = pulse_stream_valid(This);
-    if (FAILED(hr)) {
-        pulse->unlock();
-        return hr;
-    }
-
-    if (This->dataflow == eRender)
-        ACImpl_GetRenderPad(This, out);
-    else
-        ACImpl_GetCapturePad(This, out);
-    pulse->unlock();
-
-    TRACE("%p Pad: %u ms (%u)\n", This, MulDiv(*out, 1000, This->pulse_stream->ss.rate), *out);
-    return S_OK;
+    return pulse->get_current_padding(This->pulse_stream, out);
 }
 
 static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient3 *iface,
diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 711d9874818..a17bce283f6 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -1416,6 +1416,23 @@ static void alloc_tmp_buffer(struct pulse_stream *stream, UINT32 bytes)
     stream->tmp_buffer_bytes = bytes;
 }
 
+static UINT32 pulse_render_padding(struct pulse_stream *stream)
+{
+    return stream->held_bytes / pa_frame_size(&stream->ss);
+}
+
+static UINT32 pulse_capture_padding(struct pulse_stream *stream)
+{
+    ACPacket *packet = stream->locked_ptr;
+    if (!packet && !list_empty(&stream->packet_filled_head))
+    {
+        packet = (ACPacket*)list_head(&stream->packet_filled_head);
+        stream->locked_ptr = packet;
+        list_remove(&packet->entry);
+    }
+    return stream->held_bytes / pa_frame_size(&stream->ss);
+}
+
 static HRESULT WINAPI pulse_get_render_buffer(struct pulse_stream *stream, UINT32 frames, BYTE **data)
 {
     size_t bytes;
@@ -1567,6 +1584,25 @@ static HRESULT WINAPI pulse_get_latency(struct pulse_stream *stream, REFERENCE_T
     return S_OK;
 }
 
+static HRESULT WINAPI pulse_get_current_padding(struct pulse_stream *stream, UINT32 *out)
+{
+    pulse_lock();
+    if (!pulse_stream_valid(stream))
+    {
+        pulse_unlock();
+        return AUDCLNT_E_DEVICE_INVALIDATED;
+    }
+
+    if (stream->dataflow == eRender)
+        *out = pulse_render_padding(stream);
+    else
+        *out = pulse_capture_padding(stream);
+    pulse_unlock();
+
+    TRACE("%p Pad: %u ms (%u)\n", stream, muldiv(*out, 1000, stream->ss.rate), *out);
+    return S_OK;
+}
+
 static void WINAPI pulse_set_volumes(struct pulse_stream *stream, float master_volume,
                                      const float *volumes, const float *session_volumes)
 {
@@ -1610,6 +1646,7 @@ static const struct unix_funcs unix_funcs =
     pulse_release_render_buffer,
     pulse_get_buffer_size,
     pulse_get_latency,
+    pulse_get_current_padding,
     pulse_set_volumes,
     pulse_set_event_handle,
     pulse_test_connect,
diff --git a/dlls/winepulse.drv/unixlib.h b/dlls/winepulse.drv/unixlib.h
index 8be3ba67264..6017d8052e8 100644
--- a/dlls/winepulse.drv/unixlib.h
+++ b/dlls/winepulse.drv/unixlib.h
@@ -86,6 +86,7 @@ struct unix_funcs
                                             DWORD flags);
     HRESULT (WINAPI *get_buffer_size)(struct pulse_stream *stream, UINT32 *out);
     HRESULT (WINAPI *get_latency)(struct pulse_stream *stream, REFERENCE_TIME *latency);
+    HRESULT (WINAPI *get_current_padding)(struct pulse_stream *stream, UINT32 *out);
     void (WINAPI *set_volumes)(struct pulse_stream *stream, float master_volume,
                                const float *volumes, const float *session_volumes);
     HRESULT (WINAPI *set_event_handle)(struct pulse_stream *stream, HANDLE event);