dlls/quartz/tests/filtergraph.c

/*
 * Unit tests for Direct Show functions
 *
 * Copyright (C) 2004 Christian Costa
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <assert.h>

#define COBJMACROS

#include "wine/test.h"
#include "uuids.h"
#include "dshow.h"
#include "control.h"

static const WCHAR file[] = {'t','e','s','t','.','a','v','i',0};

IGraphBuilder* pgraph;

static int createfiltergraph(void)
{
    return S_OK == CoCreateInstance(
        &CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, &IID_IGraphBuilder, (LPVOID*)&pgraph);
}

static void renderfile(void)
{
    HRESULT hr;

    hr = IGraphBuilder_RenderFile(pgraph, file, NULL);
    ok(hr==S_OK, "RenderFile returned: %lx\n", hr);
}

static void rungraph(void)
{
    HRESULT hr;
    IMediaControl* pmc;
    IMediaEvent* pme;
    HANDLE hEvent;

    hr = IGraphBuilder_QueryInterface(pgraph, &IID_IMediaControl, (LPVOID*)&pmc);
    ok(hr==S_OK, "Cannot get IMediaControl interface returned: %lx\n", hr);

    hr = IMediaControl_Run(pmc);
    ok(hr==S_FALSE, "Cannot run the graph returned: %lx\n", hr);

    hr = IGraphBuilder_QueryInterface(pgraph, &IID_IMediaEvent, (LPVOID*)&pme);
    ok(hr==S_OK, "Cannot get IMediaEvent interface returned: %lx\n", hr);

    hr = IMediaEvent_GetEventHandle(pme, (OAEVENT*)&hEvent);
    ok(hr==S_OK, "Cannot get event handle returned: %lx\n", hr);

    /* WaitForSingleObject(hEvent, INFINITE); */
    Sleep(20000);

    hr = IMediaControl_Release(pme);
    ok(hr==2, "Releasing mediaevent returned: %lx\n", hr);

    hr = IMediaControl_Stop(pmc);
    ok(hr==S_OK, "Cannot stop the graph returned: %lx\n", hr);
    
    hr = IMediaControl_Release(pmc);
    ok(hr==1, "Releasing mediacontrol returned: %lx\n", hr);
}

static void releasefiltergraph(void)
{
    HRESULT hr;

    hr = IGraphBuilder_Release(pgraph);
    ok(hr==0, "Releasing filtergraph returned: %lx\n", hr);
}

START_TEST(filtergraph)
{
    HANDLE h;
	
    CoInitialize(NULL);
    if (!createfiltergraph())
        return;

    h = CreateFileW(file, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
    if (h != INVALID_HANDLE_VALUE) {
	CloseHandle(h);
	renderfile();
	rungraph();
    }

    releasefiltergraph();
}