Nikolay Sivov : wincodecs: Grab TIFF decoder reference when creating frames.
Alexandre Julliard
julliard at winehq.org
Wed Nov 28 14:11:49 CST 2018
Module: wine
Branch: master
Commit: fc2b2b1bd49a08bfcbd15bda8ab0184a5e0cd285
URL: https://source.winehq.org/git/wine.git/?a=commit;h=fc2b2b1bd49a08bfcbd15bda8ab0184a5e0cd285
Author: Nikolay Sivov <nsivov at codeweavers.com>
Date: Wed Nov 14 13:55:48 2018 +0300
wincodecs: Grab TIFF decoder reference when creating frames.
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/windowscodecs/tests/tiffformat.c | 13 ++++++++++++-
dlls/windowscodecs/tiffformat.c | 4 +++-
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/dlls/windowscodecs/tests/tiffformat.c b/dlls/windowscodecs/tests/tiffformat.c
index c6ec21a..36de69e 100644
--- a/dlls/windowscodecs/tests/tiffformat.c
+++ b/dlls/windowscodecs/tests/tiffformat.c
@@ -26,6 +26,15 @@
#include "wincodec.h"
#include "wine/test.h"
+#define EXPECT_REF(obj,ref) _expect_ref((IUnknown*)obj, ref, __LINE__)
+static void _expect_ref(IUnknown* obj, ULONG ref, int line)
+{
+ ULONG rc;
+ IUnknown_AddRef(obj);
+ rc = IUnknown_Release(obj);
+ ok_(__FILE__,line)(rc == ref, "expected refcount %d, got %d\n", ref, rc);
+}
+
#define IFD_BYTE 1
#define IFD_ASCII 2
#define IFD_SHORT 3
@@ -407,8 +416,11 @@ static void test_tiff_8bpp_alpha(void)
ok(hr == S_OK, "GetFrameCount error %#x\n", hr);
ok(frame_count == 1, "expected 1, got %u\n", frame_count);
+ EXPECT_REF(decoder, 1);
hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame);
ok(hr == S_OK, "GetFrame error %#x\n", hr);
+ EXPECT_REF(decoder, 2);
+ IWICBitmapDecoder_Release(decoder);
hr = IWICBitmapFrameDecode_GetSize(frame, &width, &height);
ok(hr == S_OK, "GetSize error %#x\n", hr);
@@ -443,7 +455,6 @@ static void test_tiff_8bpp_alpha(void)
ok(data[i] == expected_data[i], "%u: expected %02x, got %02x\n", i, expected_data[i], data[i]);
IWICBitmapFrameDecode_Release(frame);
- IWICBitmapDecoder_Release(decoder);
}
static void test_tiff_resolution(void)
diff --git a/dlls/windowscodecs/tiffformat.c b/dlls/windowscodecs/tiffformat.c
index 5585718..67773fd 100644
--- a/dlls/windowscodecs/tiffformat.c
+++ b/dlls/windowscodecs/tiffformat.c
@@ -766,6 +766,7 @@ static HRESULT WINAPI TiffDecoder_GetFrame(IWICBitmapDecoder *iface,
result->IWICMetadataBlockReader_iface.lpVtbl = &TiffFrameDecode_BlockVtbl;
result->ref = 1;
result->parent = This;
+ IWICBitmapDecoder_AddRef(iface);
result->index = index;
result->decode_info = decode_info;
result->cached_tile_x = -1;
@@ -776,7 +777,7 @@ static HRESULT WINAPI TiffDecoder_GetFrame(IWICBitmapDecoder *iface,
else
{
hr = E_OUTOFMEMORY;
- HeapFree(GetProcessHeap(), 0, result);
+ IWICBitmapFrameDecode_Release(&result->IWICBitmapFrameDecode_iface);
}
}
else hr = E_OUTOFMEMORY;
@@ -851,6 +852,7 @@ static ULONG WINAPI TiffFrameDecode_Release(IWICBitmapFrameDecode *iface)
if (ref == 0)
{
+ IWICBitmapDecoder_Release(&This->parent->IWICBitmapDecoder_iface);
HeapFree(GetProcessHeap(), 0, This->cached_tile);
HeapFree(GetProcessHeap(), 0, This);
}
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