mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-05 18:01:34 +00:00
4364ff8d5c
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/*
|
|
* Seeking passthrough object
|
|
*
|
|
* Copyright 2020 Zebediah Figura for CodeWeavers
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "quartz_private.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
|
|
|
|
struct seeking_passthrough
|
|
{
|
|
struct strmbase_passthrough passthrough;
|
|
|
|
IUnknown IUnknown_inner;
|
|
IUnknown *outer_unk;
|
|
LONG refcount;
|
|
};
|
|
|
|
static struct seeking_passthrough *impl_from_IUnknown(IUnknown *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct seeking_passthrough, IUnknown_inner);
|
|
}
|
|
|
|
static HRESULT WINAPI seeking_passthrough_QueryInterface(IUnknown *iface, REFIID iid, void **out)
|
|
{
|
|
struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
|
|
|
|
TRACE("passthrough %p, iid %s, out %p.\n", passthrough, debugstr_guid(iid), out);
|
|
|
|
if (IsEqualGUID(iid, &IID_IUnknown))
|
|
*out = iface;
|
|
else if (IsEqualGUID(iid, &IID_IMediaPosition))
|
|
*out = &passthrough->passthrough.IMediaPosition_iface;
|
|
else if (IsEqualGUID(iid, &IID_IMediaSeeking))
|
|
*out = &passthrough->passthrough.IMediaSeeking_iface;
|
|
else if (IsEqualGUID(iid, &IID_ISeekingPassThru))
|
|
*out = &passthrough->passthrough.ISeekingPassThru_iface;
|
|
else
|
|
{
|
|
*out = NULL;
|
|
WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown *)*out);
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI seeking_passthrough_AddRef(IUnknown *iface)
|
|
{
|
|
struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
|
|
ULONG refcount = InterlockedIncrement(&passthrough->refcount);
|
|
|
|
TRACE("%p increasing refcount to %lu.\n", passthrough, refcount);
|
|
return refcount;
|
|
}
|
|
|
|
static ULONG WINAPI seeking_passthrough_Release(IUnknown *iface)
|
|
{
|
|
struct seeking_passthrough *passthrough = impl_from_IUnknown(iface);
|
|
ULONG refcount = InterlockedDecrement(&passthrough->refcount);
|
|
|
|
TRACE("%p decreasing refcount to %lu.\n", passthrough, refcount);
|
|
if (!refcount)
|
|
{
|
|
strmbase_passthrough_cleanup(&passthrough->passthrough);
|
|
free(passthrough);
|
|
}
|
|
return refcount;
|
|
}
|
|
|
|
static const IUnknownVtbl seeking_passthrough_vtbl =
|
|
{
|
|
seeking_passthrough_QueryInterface,
|
|
seeking_passthrough_AddRef,
|
|
seeking_passthrough_Release,
|
|
};
|
|
|
|
HRESULT seeking_passthrough_create(IUnknown *outer, IUnknown **out)
|
|
{
|
|
struct seeking_passthrough *object;
|
|
|
|
TRACE("outer %p, out %p.\n", outer, out);
|
|
|
|
if (!(object = calloc(1, sizeof(*object))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
object->IUnknown_inner.lpVtbl = &seeking_passthrough_vtbl;
|
|
object->outer_unk = outer ? outer : &object->IUnknown_inner;
|
|
object->refcount = 1;
|
|
|
|
strmbase_passthrough_init(&object->passthrough, object->outer_unk);
|
|
|
|
TRACE("Created seeking passthrough %p.\n", object);
|
|
*out = &object->IUnknown_inner;
|
|
return S_OK;
|
|
}
|