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strmbase: Make the pin_get_media_type() callback optional.

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Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-04-16 20:29:33 -05:00 committed by Alexandre Julliard
parent f65cfbfe9b
commit 38f5f36462
2 changed files with 26 additions and 11 deletions
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36
dlls/strmbase/pin.c
View file

@ -57,10 +57,13 @@ static HRESULT enum_media_types_create(struct strmbase_pin *pin, IEnumMediaTypes
object->pin = pin;
IPin_AddRef(&pin->IPin_iface);
while (pin->ops->pin_get_media_type(pin, object->count, &mt) == S_OK)
if (pin->ops->pin_get_media_type)
{
FreeMediaType(&mt);
++object->count;
while (pin->ops->pin_get_media_type(pin, object->count, &mt) == S_OK)
{
FreeMediaType(&mt);
++object->count;
}
}
TRACE("Created enumerator %p.\n", object);
@ -121,6 +124,13 @@ static HRESULT WINAPI enum_media_types_Next(IEnumMediaTypes *iface, ULONG count,
TRACE("enummt %p, count %u, mts %p, ret_count %p.\n", enummt, count, mts, ret_count);
if (!enummt->pin->ops->pin_get_media_type)
{
if (ret_count)
*ret_count = 0;
return count ? S_FALSE : S_OK;
}
for (i = 0; i < count; ++i)
{
if ((mts[i] = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE))))
@ -169,10 +179,13 @@ static HRESULT WINAPI enum_media_types_Reset(IEnumMediaTypes *iface)
TRACE("enummt %p.\n", enummt);
enummt->count = 0;
while (enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->count, &mt) == S_OK)
if (enummt->pin->ops->pin_get_media_type)
{
FreeMediaType(&mt);
++enummt->count;
while (enummt->pin->ops->pin_get_media_type(enummt->pin, enummt->count, &mt) == S_OK)
{
FreeMediaType(&mt);
++enummt->count;
}
}
enummt->index = 0;
@ -397,10 +410,13 @@ static HRESULT WINAPI pin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **enum_med
TRACE("pin %p %s:%s, enum_media_types %p.\n", pin, debugstr_w(pin->filter->name),
debugstr_w(pin->name), enum_media_types);
if (FAILED(hr = pin->ops->pin_get_media_type(pin, 0, &mt)))
return hr;
if (hr == S_OK)
FreeMediaType(&mt);
if (pin->ops->pin_get_media_type)
{
if (FAILED(hr = pin->ops->pin_get_media_type(pin, 0, &mt)))
return hr;
if (hr == S_OK)
FreeMediaType(&mt);
}
return enum_media_types_create(pin, enum_media_types);
}

1
dlls/strmbase/renderer.c
View file

@ -257,7 +257,6 @@ static const struct strmbase_sink_ops sink_ops =
{
.base.pin_query_accept = sink_query_accept,
.base.pin_query_interface = sink_query_interface,
.base.pin_get_media_type = strmbase_pin_get_media_type,
.pfnReceive = BaseRenderer_Receive,
.sink_connect = sink_connect,
.sink_disconnect = sink_disconnect,