Sweden-Number/dlls/qdvd/graph.c

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/*
* Graph builder
*
* Copyright 2020 Gijs Vermeulen
*
* 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 "qdvd_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(qdvd);
struct graph_builder
{
IDvdGraphBuilder IDvdGraphBuilder_iface;
LONG refcount;
};
static struct graph_builder *impl_from_IDvdGraphBuilder(IDvdGraphBuilder *iface)
{
return CONTAINING_RECORD(iface, struct graph_builder, IDvdGraphBuilder_iface);
}
static ULONG WINAPI graph_builder_AddRef(IDvdGraphBuilder *iface)
{
struct graph_builder *builder = impl_from_IDvdGraphBuilder(iface);
ULONG refcount = InterlockedIncrement(&builder->refcount);
TRACE("%p increasing refcount to %u.\n", builder, refcount);
return refcount;
}
static ULONG WINAPI graph_builder_Release(IDvdGraphBuilder *iface)
{
struct graph_builder *builder = impl_from_IDvdGraphBuilder(iface);
ULONG refcount = InterlockedDecrement(&builder->refcount);
TRACE("%p decreasing refcount to %u.\n", builder, refcount);
if (!refcount)
free(builder);
return refcount;
}
static HRESULT WINAPI graph_builder_QueryInterface(IDvdGraphBuilder *iface, REFIID iid, void **out)
{
TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_IDvdGraphBuilder) || IsEqualGUID(iid, &IID_IUnknown))
*out = 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 HRESULT WINAPI graph_builder_GetFiltergraph(IDvdGraphBuilder *iface, IGraphBuilder **graph)
{
FIXME("iface %p, graph %p, stub!\n", iface, graph);
return E_NOTIMPL;
}
static HRESULT WINAPI graph_builder_GetDvdInterface(IDvdGraphBuilder *iface, REFIID iid, void **out)
{
FIXME("iface %p, iid %s, out %p, stub!\n", iface, debugstr_guid(iid), out);
return E_NOTIMPL;
}
static HRESULT WINAPI graph_builder_RenderDvdVideoVolume(IDvdGraphBuilder *iface, const WCHAR *path, DWORD flags, AM_DVD_RENDERSTATUS *status)
{
FIXME("iface %p, path %s, flags %#x, status %p, stub!\n", iface, debugstr_w(path), flags, status);
return E_NOTIMPL;
}
static const struct IDvdGraphBuilderVtbl graph_builder_vtbl =
{
graph_builder_QueryInterface,
graph_builder_AddRef,
graph_builder_Release,
graph_builder_GetFiltergraph,
graph_builder_GetDvdInterface,
graph_builder_RenderDvdVideoVolume,
};
HRESULT graph_builder_create(IUnknown **out)
{
struct graph_builder *builder;
if (!(builder = calloc(1, sizeof(*builder))))
return E_OUTOFMEMORY;
builder->IDvdGraphBuilder_iface.lpVtbl = &graph_builder_vtbl;
builder->refcount = 1;
TRACE("Created DVD graph builder %p.\n", builder);
*out = (IUnknown *)&builder->IDvdGraphBuilder_iface;
return S_OK;
}