Zebediah Figura : mp3dmod/tests: Test IMediaBuffer reference counting.
Alexandre Julliard
julliard at winehq.org
Wed Feb 26 16:14:06 CST 2020
Module: wine
Branch: master
Commit: fb94eae9777126c3ce459ef76bdba6fb5dedd742
URL: https://source.winehq.org/git/wine.git/?a=commit;h=fb94eae9777126c3ce459ef76bdba6fb5dedd742
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Wed Feb 26 00:19:21 2020 -0600
mp3dmod/tests: Test IMediaBuffer reference counting.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/mp3dmod/tests/mp3dmod.c | 23 ++++++++++++++++++-----
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/dlls/mp3dmod/tests/mp3dmod.c b/dlls/mp3dmod/tests/mp3dmod.c
index 99d52e6fd7..1d404248cc 100644
--- a/dlls/mp3dmod/tests/mp3dmod.c
+++ b/dlls/mp3dmod/tests/mp3dmod.c
@@ -40,8 +40,10 @@ static REFERENCE_TIME samplelen(DWORD samples, int rate)
return (REFERENCE_TIME) 10000000 * samples / rate;
}
-struct test_buffer {
+struct test_buffer
+{
IMediaBuffer IMediaBuffer_iface;
+ LONG refcount;
BYTE data[5000];
DWORD len;
DWORD maxlen;
@@ -65,12 +67,14 @@ static HRESULT WINAPI Buffer_QueryInterface(IMediaBuffer *iface, REFIID iid, voi
static ULONG WINAPI Buffer_AddRef(IMediaBuffer *iface)
{
- return 2;
+ struct test_buffer *buffer = impl_from_IMediaBuffer(iface);
+ return InterlockedIncrement(&buffer->refcount);
}
static ULONG WINAPI Buffer_Release(IMediaBuffer *iface)
{
- return 1;
+ struct test_buffer *buffer = impl_from_IMediaBuffer(iface);
+ return InterlockedDecrement(&buffer->refcount);
}
static HRESULT WINAPI Buffer_SetLength(IMediaBuffer *iface, DWORD len)
@@ -107,8 +111,8 @@ static IMediaBufferVtbl Buffer_vtbl = {
static void test_convert(void)
{
static const BYTE mp3hdr[] = {0xff,0xfb,0x14,0xc4};
- struct test_buffer outbuf = {{&Buffer_vtbl}};
- struct test_buffer inbuf = {{&Buffer_vtbl}};
+ struct test_buffer outbuf = {.IMediaBuffer_iface = {&Buffer_vtbl}, .refcount = 1};
+ struct test_buffer inbuf = {.IMediaBuffer_iface = {&Buffer_vtbl}, .refcount = 1};
DMO_MEDIA_TYPE in = {{0}}, out = {{0}};
MPEGLAYER3WAVEFORMAT mp3fmt = {{0}};
DMO_OUTPUT_DATA_BUFFER output;
@@ -169,6 +173,7 @@ static void test_convert(void)
inbuf.len = 96 * 5;
hr = IMediaObject_ProcessInput(dmo, 0, &inbuf.IMediaBuffer_iface, 0, 0, 0);
ok(hr == S_OK, "got %#x\n", hr);
+ ok(inbuf.refcount == 2, "Got refcount %d.\n", inbuf.refcount);
hr = IMediaObject_ProcessInput(dmo, 0, &inbuf.IMediaBuffer_iface, 0, 0, 0);
ok(hr == DMO_E_NOTACCEPTING, "got %#x\n", hr);
@@ -194,6 +199,8 @@ static void test_convert(void)
ok(output.rtTimestamp == 0, "got %s\n", wine_dbgstr_longlong(output.rtTimestamp));
ok(output.rtTimelength == samplelen(written, 48000),
"got %s\n", wine_dbgstr_longlong(output.rtTimelength));
+ ok(inbuf.refcount == 2, "Got refcount %d.\n", inbuf.refcount);
+ ok(outbuf.refcount == 1, "Got refcount %d.\n", inbuf.refcount);
hr = IMediaObject_ProcessOutput(dmo, 0, 1, &output, &status);
ok(hr == S_FALSE, "got %#x\n", hr);
@@ -205,6 +212,8 @@ static void test_convert(void)
hr = IMediaObject_ProcessInput(dmo, 0, &inbuf.IMediaBuffer_iface, 0, 0, 0);
ok(hr == DMO_E_NOTACCEPTING, "got %#x\n", hr);
+ ok(inbuf.refcount == 2, "Got refcount %d.\n", inbuf.refcount);
+ ok(outbuf.refcount == 1, "Got refcount %d.\n", inbuf.refcount);
/* write the rest */
outbuf.len = 0;
@@ -219,6 +228,8 @@ static void test_convert(void)
"got %s\n", wine_dbgstr_longlong(output.rtTimestamp));
ok(output.rtTimelength == samplelen(outbuf.len, 48000),
"got %s\n", wine_dbgstr_longlong(output.rtTimelength));
+ ok(inbuf.refcount == 1, "Got refcount %d.\n", inbuf.refcount);
+ ok(outbuf.refcount == 1, "Got refcount %d.\n", inbuf.refcount);
hr = IMediaObject_ProcessOutput(dmo, 0, 1, &output, &status);
ok(hr == S_FALSE, "got %#x\n", hr);
@@ -228,6 +239,8 @@ static void test_convert(void)
ok(hr == S_OK, "got %#x\n", hr);
IMediaObject_Release(dmo);
+ todo_wine ok(inbuf.refcount == 1, "Got outstanding refcount %d.\n", inbuf.refcount);
+ ok(outbuf.refcount == 1, "Got outstanding refcount %d.\n", outbuf.refcount);
}
static const GUID IID_test_outer = {0xdeadbeef,0,0,{0,0,0,0,0,0,0,0x66}};
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