[PATCH 0/2] MR614: quartz: Open files with FILE_SHARE_DELETE in FileSource

[David Gow (＠sulix)]

Some games (such as Digimon Survive) create temporary video files and
will hang if deleting them fails. Open the files with FILE_SHARE_DELETE,
which will allow this deletion to go ahead even if the FileSource hasn't
yet been closed.

Note that many windows codec packs do themselves open files without
FILE_SHARE_DELETE, so a similar hang can be observed in some windows
configurations.

I haven't checked that this is the file share mode used on windows
(alas, I don't have a windows machine available), so I haven't removed
the FIXME comment. Equally, I also updated the CreateFileW() call
in get_media_type(), but that _may_ be unnecessary.

I've added a basic test, but haven't had the opportunity to run it on Windows yet.

Otherwise, this patch is also available against Proton Experimental here: https://github.com/ValveSoftware/wine/pull/156

It also has been confirmed to fix the issue with Digimon Survive independently: https://github.com/ValveSoftware/Proton/issues/6041#issuecomment-1200486581

[PATCH 1/2] quartz: Open files with FILE_SHARE_DELETE in FileSource

[David Gow]

From: David Gow

Some games (such as Digimon Survive) create temporary video files and
will hang if deleting them fails. Open the files with FILE_SHARE_DELETE,
which will allow this deletion to go ahead even if the FileSource hasn't
yet been closed.

Note that many windows codec packs do themselves open files without
FILE_SHARE_DELETE, so a similar hang can be observed in some windows
configurations.

I haven't checked that this is the file share mode used on windows
(alas, I don't have a windows machine available), so I haven't removed
the FIXME comment. Equally, I also updated the CreateFileW() call
in get_media_type(), but that _may_ be unnecessary.

Signed-off-by: David Gow 
---
 dlls/quartz/filesource.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/quartz/filesource.c b/dlls/quartz/filesource.c
index 6ffae606df4..0579f564af7 100644
--- a/dlls/quartz/filesource.c
+++ b/dlls/quartz/filesource.c
@@ -214,7 +214,7 @@ BOOL get_media_type(const WCHAR *filename, GUID *majortype, GUID *subtype, GUID
         }
     }

-    if ((file = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
+    if ((file = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
             OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE)
     {
         WARN("Failed to open file %s, error %lu.\n", debugstr_w(filename), GetLastError());
@@ -464,7 +464,7 @@ static HRESULT WINAPI FileSource_Load(IFileSourceFilter * iface, LPCOLESTR pszFi

/* open file */
     /* FIXME: check the sharing values that native uses */
-    hFile = CreateFileW(pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
+    hFile = CreateFileW(pszFileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);

if (hFile == INVALID_HANDLE_VALUE)
     {

[PATCH 2/2] quartz: test: Files opened with FileSource can be deleted

[David Gow]

From: David Gow

Some games (such as Digimon Survive) will delete a file while it's open
as a FileSource.

Signed-off-by: David Gow 
---
 dlls/quartz/tests/filesource.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/dlls/quartz/tests/filesource.c b/dlls/quartz/tests/filesource.c
index c383d9f6579..268b265ac77 100644
--- a/dlls/quartz/tests/filesource.c
+++ b/dlls/quartz/tests/filesource.c
@@ -1476,6 +1476,24 @@ static void test_connect_pin(void)
     ok(ret, "Failed to delete file, error %lu.\n", GetLastError());
 }

+static void test_file_share_delete(void)
+{
+    const WCHAR *filename = load_resource(L"test.avi");
+    IBaseFilter *filter = create_file_source();
+    ULONG ref;
+    BOOL ret;
+
+    load_file(filter, filename);
+
+    /* Test that we can delete the file while it's open. */
+    ret = DeleteFileW(filename);
+    ok(ret, "Failed to delete file, error %lu.\n", GetLastError());
+
+    ref = IBaseFilter_Release(filter);
+    ok(!ref, "Got outstanding refcount %ld.\n", ref);
+}
+
+
 START_TEST(filesource)
 {
     CoInitialize(NULL);
@@ -1490,6 +1508,7 @@ START_TEST(filesource)
     test_async_reader();
     test_enum_media_types();
     test_connect_pin();
+    test_file_share_delete();

CoUninitialize();
 }

[PATCH 0/2] MR614: quartz: Open files with FILE_SHARE_DELETE in FileSource - approved

[Zebediah Figura (＠zfigura)]

This merge request was approved by Zebediah Figura.