2008-03-12 18:12:18 +01:00
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/*
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2019-04-16 06:20:53 +02:00
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* Null renderer filter
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2008-03-12 18:12:18 +01:00
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*
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* Copyright 2004 Christian Costa
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* Copyright 2008 Maarten Lankhorst
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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2019-04-16 06:20:53 +02:00
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#define COBJMACROS
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2008-03-12 18:12:18 +01:00
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#include "dshow.h"
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#include "wine/debug.h"
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2019-04-16 06:20:53 +02:00
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#include "wine/strmbase.h"
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2008-03-12 18:12:18 +01:00
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2019-04-16 06:20:53 +02:00
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WINE_DEFAULT_DEBUG_CHANNEL(qedit);
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2008-03-12 18:12:18 +01:00
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2020-03-31 00:55:14 +02:00
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struct null_renderer
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2008-03-12 18:12:18 +01:00
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{
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2019-10-24 03:04:23 +02:00
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struct strmbase_renderer renderer;
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2020-03-31 00:55:14 +02:00
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};
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2008-03-12 18:12:18 +01:00
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2020-03-31 00:55:14 +02:00
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static struct null_renderer *impl_from_strmbase_renderer(struct strmbase_renderer *iface)
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2019-06-05 00:54:25 +02:00
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{
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2020-03-31 00:55:14 +02:00
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return CONTAINING_RECORD(iface, struct null_renderer, renderer);
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2019-06-05 00:54:25 +02:00
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}
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2021-03-12 00:21:56 +01:00
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static HRESULT null_renderer_render(struct strmbase_renderer *iface, IMediaSample *sample)
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2008-03-12 18:12:18 +01:00
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{
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2012-03-30 02:21:54 +02:00
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return S_OK;
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2008-03-12 18:12:18 +01:00
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}
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2021-03-11 02:23:37 +01:00
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static HRESULT null_renderer_query_accept(struct strmbase_renderer *iface, const AM_MEDIA_TYPE *mt)
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2008-03-12 18:12:18 +01:00
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{
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return S_OK;
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}
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2019-10-24 03:04:23 +02:00
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static void null_renderer_destroy(struct strmbase_renderer *iface)
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2019-06-05 00:54:25 +02:00
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{
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2020-03-31 00:55:14 +02:00
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struct null_renderer *filter = impl_from_strmbase_renderer(iface);
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2019-06-05 00:54:25 +02:00
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strmbase_renderer_cleanup(&filter->renderer);
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2020-03-31 00:55:13 +02:00
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free(filter);
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2019-06-05 00:54:25 +02:00
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}
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2019-10-24 03:04:24 +02:00
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static const struct strmbase_renderer_ops renderer_ops =
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2019-07-03 05:25:45 +02:00
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{
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2021-03-11 02:23:37 +01:00
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.renderer_query_accept = null_renderer_query_accept,
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2021-03-12 00:21:56 +01:00
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.renderer_render = null_renderer_render,
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2019-07-03 05:25:45 +02:00
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.renderer_destroy = null_renderer_destroy,
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2010-10-13 18:02:01 +02:00
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};
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2020-03-12 03:10:09 +01:00
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HRESULT null_renderer_create(IUnknown *outer, IUnknown **out)
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2012-07-02 01:03:21 +02:00
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{
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2020-03-31 00:55:14 +02:00
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struct null_renderer *object;
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2012-07-02 01:03:21 +02:00
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2020-03-31 00:55:13 +02:00
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if (!(object = calloc(1, sizeof(*object))))
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return E_OUTOFMEMORY;
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2012-07-02 01:03:21 +02:00
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2020-03-31 00:55:13 +02:00
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strmbase_renderer_init(&object->renderer, outer, &CLSID_NullRenderer, L"In", &renderer_ops);
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2012-07-02 01:03:21 +02:00
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2020-03-31 00:55:13 +02:00
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TRACE("Created null renderer %p.\n", object);
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*out = &object->renderer.filter.IUnknown_inner;
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2012-07-02 01:03:21 +02:00
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return S_OK;
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}
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