From f58dbcdfedf4d5d78d586d54f507c647e58379c8 Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Fri, 2 Dec 2022 14:41:30 +1100
Subject: [PATCH] dmime: Implement IDirectMusicSegment8 Download

---
 dlls/dmime/dmime_private.h |  2 +
 dlls/dmime/performance.c   |  7 +++
 dlls/dmime/segment.c       | 87 ++++++++++++++++++++++++++++++++++++--
 3 files changed, 93 insertions(+), 3 deletions(-)

diff --git a/dlls/dmime/dmime_private.h b/dlls/dmime/dmime_private.h
index 4159abffa99..030aab50094 100644
--- a/dlls/dmime/dmime_private.h
+++ b/dlls/dmime/dmime_private.h
@@ -71,6 +71,8 @@ extern void set_audiopath_perf_pointer(IDirectMusicAudioPath*,IDirectMusicPerfor
 extern void set_audiopath_dsound_buffer(IDirectMusicAudioPath*,IDirectSoundBuffer*) DECLSPEC_HIDDEN;
 extern void set_audiopath_primary_dsound_buffer(IDirectMusicAudioPath*,IDirectSoundBuffer*) DECLSPEC_HIDDEN;
 
+extern IDirectSound *get_dsound_interface(IDirectMusicPerformance8*) DECLSPEC_HIDDEN;
+
 /*****************************************************************************
  * Auxiliary definitions
  */
diff --git a/dlls/dmime/performance.c b/dlls/dmime/performance.c
index d69a27540d6..5578c3e523b 100644
--- a/dlls/dmime/performance.c
+++ b/dlls/dmime/performance.c
@@ -252,6 +252,13 @@ static inline IDirectMusicPerformance8Impl *impl_from_IDirectMusicPerformance8(I
     return CONTAINING_RECORD(iface, IDirectMusicPerformance8Impl, IDirectMusicPerformance8_iface);
 }
 
+IDirectSound *get_dsound_interface(IDirectMusicPerformance8* iface)
+{
+    IDirectMusicPerformance8Impl *This = impl_from_IDirectMusicPerformance8(iface);
+    return This->dsound;
+}
+
+
 /* IDirectMusicPerformance8 IUnknown part: */
 static HRESULT WINAPI IDirectMusicPerformance8Impl_QueryInterface(IDirectMusicPerformance8 *iface,
         REFIID riid, void **ppv)
diff --git a/dlls/dmime/segment.c b/dlls/dmime/segment.c
index 6bf9f3abf0c..0ea0c15c5e0 100644
--- a/dlls/dmime/segment.c
+++ b/dlls/dmime/segment.c
@@ -37,6 +37,7 @@ typedef struct IDirectMusicSegment8Impl {
     PCMWAVEFORMAT wave_format;
     void *wave_data;
     int data_size;
+    IDirectSoundBuffer *buffer;
 } IDirectMusicSegment8Impl;
 
 IDirectMusicSegment8Impl *create_segment(void);
@@ -90,6 +91,8 @@ static ULONG WINAPI IDirectMusicSegment8Impl_Release(IDirectMusicSegment8 *iface
     TRACE("(%p) ref=%ld\n", This, ref);
 
     if (!ref) {
+        if (This->buffer)
+            IDirectSoundBuffer_Release(This->buffer);
         if (This->wave_data)
             free(This->wave_data);
 
@@ -559,9 +562,87 @@ static HRESULT WINAPI IDirectMusicSegment8Impl_Compose(IDirectMusicSegment8 *ifa
 static HRESULT WINAPI IDirectMusicSegment8Impl_Download(IDirectMusicSegment8 *iface,
         IUnknown *pAudioPath)
 {
-        IDirectMusicSegment8Impl *This = impl_from_IDirectMusicSegment8(iface);
-	FIXME("(%p, %p): stub\n", This, pAudioPath);
-	return S_OK;
+    IDirectMusicSegment8Impl *This = impl_from_IDirectMusicSegment8(iface);
+    IDirectMusicPerformance8 *perf;
+    IDirectMusicAudioPath *audio;
+    IDirectSound *dsound;
+    HRESULT hr;
+    DSBUFFERDESC dsbd = {.dwSize = sizeof(dsbd)};
+    void *data;
+    DWORD size;
+    DWORD buffer = 0;
+
+    TRACE("(%p, %p)\n", This, pAudioPath);
+
+    if (!pAudioPath)
+        return E_INVALIDARG;
+
+    if (This->buffer)
+    {
+        TRACE("Using Cached buffer\n");
+        return S_OK;
+    }
+
+    /* pAudioPath can either be IDirectMusicAudioPath or IDirectMusicPerformance */
+    hr = IUnknown_QueryInterface(pAudioPath, &IID_IDirectMusicPerformance8, (void**)&perf);
+    if (FAILED(hr))
+    {
+        TRACE("Checking for IDirectMusicAudioPath interface\n");
+        hr = IUnknown_QueryInterface(pAudioPath, &IID_IDirectMusicAudioPath, (void**)&audio);
+        if (FAILED(hr))
+        {
+            WARN("Cannot query for IDirectMusicAudioPath\n");
+            return E_INVALIDARG;
+        }
+
+        IDirectMusicAudioPath_GetObjectInPath(audio, DMUS_PCHANNEL_ALL, DMUS_PATH_PERFORMANCE, buffer, &GUID_NULL,
+                0, &IID_IDirectMusicPerformance, (void**)&perf);
+        IDirectMusicAudioPath_Release(audio);
+    }
+
+    if (!perf)
+    {
+        ERR("Failed to get IDirectMusicPerformance interface\n");
+        return E_INVALIDARG;
+    }
+
+    dsound = get_dsound_interface(perf);
+    if (!dsound)
+    {
+        ERR("Failed get_dsound_interface\n");
+        return E_INVALIDARG;
+    }
+
+    if (This->data_size == 0)
+    {
+        FIXME("No wave data skipping\n");
+        return S_OK;
+    }
+
+    dsbd.dwBufferBytes = This->data_size;
+    dsbd.lpwfxFormat = (WAVEFORMATEX*)&This->wave_format;
+
+    hr = IDirectSound_CreateSoundBuffer(dsound, &dsbd, &This->buffer, NULL);
+    if (FAILED(hr))
+    {
+        ERR("IDirectSound_CreateSoundBuffer failed 0x%08lx\n", hr);
+        return E_INVALIDARG;
+    }
+
+    TRACE("CreateSoundBuffer successful\n");
+
+    hr = IDirectSoundBuffer_Lock(This->buffer, 0, This->data_size, &data, &size, NULL, 0, 0);
+    TRACE("IDirectSoundBuffer_Lock hr 0x%08lx\n", hr);
+
+    memcpy(data, This->wave_data, This->data_size);
+
+    hr = IDirectSoundBuffer_Unlock(This->buffer, data, This->data_size, NULL, 0);
+    TRACE("IDirectSoundBuffer_Unlock hr 0x%08lx\n", hr);
+
+    /*hr = IDirectSoundBuffer_Play(This->buffer, 0, 0, 0);
+    TRACE("IDirectSoundBuffer_Play hr 0x%08lx\n", hr);*/
+
+    return S_OK;
 }
 
 static HRESULT WINAPI IDirectMusicSegment8Impl_Unload(IDirectMusicSegment8 *iface,
-- 
2.39.1