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wincodecs: Grab TIFF decoder reference when creating frames. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2018-11-14 13:55:48 +03:00 committed by Alexandre Julliard
parent bb2e09804d
commit fc2b2b1bd4
2 changed files with 15 additions and 2 deletions
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13
dlls/windowscodecs/tests/tiffformat.c
View File

@ -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)

4
dlls/windowscodecs/tiffformat.c
View File

@ -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);
}