/*
 * Unit tests for MultiMedia Stream functions
 *
 * Copyright (C) 2009, 2012 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#define COBJMACROS

#include "wine/test.h"
#include "initguid.h"
#include "uuids.h"
#include "amstream.h"
#include "vfwmsgs.h"

#define EXPECT_REF(obj,ref) _expect_ref((IUnknown*)obj, ref, __LINE__)
static void _expect_ref(IUnknown* obj, ULONG ref, int line)
{
    ULONG rc = IUnknown_AddRef(obj);
    IUnknown_Release(obj);
    ok_(__FILE__,line)(rc-1 == ref, "expected refcount %d, got %d\n", ref, rc-1);
}

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

static IDirectDraw7* pdd7;
static IDirectDrawSurface7* pdds7;

static IAMMultiMediaStream *create_ammultimediastream(void)
{
    IAMMultiMediaStream *stream = NULL;
    CoCreateInstance(&CLSID_AMMultiMediaStream, NULL, CLSCTX_INPROC_SERVER, &IID_IAMMultiMediaStream,
        (void**)&stream);
    return stream;
}

static int create_directdraw(void)
{
    HRESULT hr;
    IDirectDraw* pdd = NULL;
    DDSURFACEDESC2 ddsd;

    hr = DirectDrawCreate(NULL, &pdd, NULL);
    ok(hr==DD_OK, "DirectDrawCreate returned: %x\n", hr);
    if (hr != DD_OK)
       goto error;

    hr = IDirectDraw_QueryInterface(pdd, &IID_IDirectDraw7, (LPVOID*)&pdd7);
    ok(hr==DD_OK, "QueryInterface returned: %x\n", hr);
    if (hr != DD_OK) goto error;

    hr = IDirectDraw7_SetCooperativeLevel(pdd7, GetDesktopWindow(), DDSCL_NORMAL);
    ok(hr==DD_OK, "SetCooperativeLevel returned: %x\n", hr);

    ZeroMemory(&ddsd, sizeof(ddsd));
    ddsd.dwSize = sizeof(ddsd);
    ddsd.dwFlags = DDSD_CAPS;
    ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
    hr = IDirectDraw7_CreateSurface(pdd7, &ddsd, &pdds7, NULL);
    ok(hr==DD_OK, "CreateSurface returned: %x\n", hr);

    return TRUE;

error:
    if (pdds7)
        IDirectDrawSurface7_Release(pdds7);
    if (pdd7)
        IDirectDraw7_Release(pdd7);
    if (pdd)
        IDirectDraw_Release(pdd);

    return FALSE;
}

static void release_directdraw(void)
{
    IDirectDrawSurface7_Release(pdds7);
    IDirectDraw7_Release(pdd7);
}

static void test_openfile(void)
{
    IAMMultiMediaStream *pams;
    HRESULT hr;
    IGraphBuilder* pgraph;

    if (!(pams = create_ammultimediastream()))
        return;

    hr = IAMMultiMediaStream_GetFilterGraph(pams, &pgraph);
    ok(hr==S_OK, "IAMMultiMediaStream_GetFilterGraph returned: %x\n", hr);
    ok(pgraph==NULL, "Filtergraph should not be created yet\n");

    if (pgraph)
        IGraphBuilder_Release(pgraph);

    hr = IAMMultiMediaStream_OpenFile(pams, filenameW, 0);
    ok(hr==S_OK, "IAMMultiMediaStream_OpenFile returned: %x\n", hr);

    hr = IAMMultiMediaStream_GetFilterGraph(pams, &pgraph);
    ok(hr==S_OK, "IAMMultiMediaStream_GetFilterGraph returned: %x\n", hr);
    ok(pgraph!=NULL, "Filtergraph should be created\n");

    if (pgraph)
        IGraphBuilder_Release(pgraph);

    IAMMultiMediaStream_Release(pams);
}

static void test_renderfile(void)
{
    IAMMultiMediaStream *pams;
    HRESULT hr;
    IMediaStream *pvidstream = NULL;
    IDirectDrawMediaStream *pddstream = NULL;
    IDirectDrawStreamSample *pddsample = NULL;
    IDirectDrawSurface *surface;
    RECT rect;

    if (!(pams = create_ammultimediastream()))
        return;
    if (!create_directdraw())
    {
        IAMMultiMediaStream_Release(pams);
        return;
    }

    hr = IAMMultiMediaStream_Initialize(pams, STREAMTYPE_READ, 0, NULL);
    ok(hr==S_OK, "IAMMultiMediaStream_Initialize returned: %x\n", hr);

    hr = IAMMultiMediaStream_AddMediaStream(pams, (IUnknown*)pdd7, &MSPID_PrimaryVideo, 0, NULL);
    ok(hr==S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);

    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok(hr==S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);

    hr = IAMMultiMediaStream_OpenFile(pams, filenameW, 0);
    ok(hr==S_OK, "IAMMultiMediaStream_OpenFile returned: %x\n", hr);

    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &pvidstream);
    ok(hr==S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
    if (FAILED(hr)) goto error;

    hr = IMediaStream_QueryInterface(pvidstream, &IID_IDirectDrawMediaStream, (LPVOID*)&pddstream);
    ok(hr==S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
    if (FAILED(hr)) goto error;

    hr = IDirectDrawMediaStream_CreateSample(pddstream, NULL, NULL, 0, &pddsample);
    ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);

    surface = NULL;
    hr = IDirectDrawStreamSample_GetSurface(pddsample, &surface, &rect);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    ok(surface == NULL, "got %p\n", surface);
    IDirectDrawStreamSample_Release(pddsample);

    hr = IDirectDrawSurface7_QueryInterface(pdds7, &IID_IDirectDrawSurface, (void**)&surface);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    EXPECT_REF(surface, 1);
    hr = IDirectDrawMediaStream_CreateSample(pddstream, surface, NULL, 0, &pddsample);
    ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);
    EXPECT_REF(surface, 2);
    IDirectDrawStreamSample_Release(pddsample);
    IDirectDrawSurface_Release(surface);

error:
    if (pddstream)
        IDirectDrawMediaStream_Release(pddstream);
    if (pvidstream)
        IMediaStream_Release(pvidstream);

    release_directdraw();
    IAMMultiMediaStream_Release(pams);
}

static void test_media_streams(void)
{
    IAMMultiMediaStream *pams;
    HRESULT hr;
    IMediaStream *video_stream = NULL;
    IMediaStream *audio_stream = NULL;
    IMediaStream *dummy_stream;
    IMediaStreamFilter* media_stream_filter = NULL;

    if (!(pams = create_ammultimediastream()))
        return;
    if (!create_directdraw())
    {
        IAMMultiMediaStream_Release(pams);
        return;
    }

    hr = IAMMultiMediaStream_Initialize(pams, STREAMTYPE_READ, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_Initialize returned: %x\n", hr);

    /* Retrieve media stream filter */
    hr = IAMMultiMediaStream_GetFilter(pams, NULL);
    ok(hr == E_POINTER, "IAMMultiMediaStream_GetFilter returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetFilter(pams, &media_stream_filter);
    ok(hr == S_OK, "IAMMultiMediaStream_GetFilter returned: %x\n", hr);

    /* Verify behaviour with invalid purpose id */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &IID_IUnknown, &dummy_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &IID_IUnknown, 0, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);

    /* Verify there is no video media stream */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify there is no default renderer for video stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, (IUnknown*)pdd7, &MSPID_PrimaryVideo, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryVideo, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok(hr == MS_E_PURPOSEID, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify normal case for video stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryVideo, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &video_stream);
    ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify the video stream has been added to the media stream filter */
    if (media_stream_filter)
    {
        hr = IMediaStreamFilter_GetMediaStream(media_stream_filter, &MSPID_PrimaryVideo, &dummy_stream);
        ok(hr == S_OK, "IMediaStreamFilter_GetMediaStream returned: %x\n", hr);
        ok(dummy_stream == video_stream, "Got wrong returned pointer %p, expected %p\n", dummy_stream, video_stream);
        if (SUCCEEDED(hr))
            IMediaStream_Release(dummy_stream);
    }

    /* Check interfaces and samples for video */
    if (video_stream)
    {
        IAMMediaStream* am_media_stream;
        IAudioMediaStream* audio_media_stream;
        IDirectDrawMediaStream *ddraw_stream = NULL;
        IDirectDrawStreamSample *ddraw_sample = NULL;

        hr = IMediaStream_QueryInterface(video_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
        ok((void*)am_media_stream == (void*)video_stream, "Not same interface, got %p expected %p\n", am_media_stream, video_stream);
        if (hr == S_OK)
            IAMMediaStream_Release(am_media_stream);

        hr = IMediaStream_QueryInterface(video_stream, &IID_IAudioMediaStream, (LPVOID*)&audio_media_stream);
        ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);

        hr = IMediaStream_QueryInterface(video_stream, &IID_IDirectDrawMediaStream, (LPVOID*)&ddraw_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);

        if (SUCCEEDED(hr))
        {
            DDSURFACEDESC current_format, desired_format;
            IDirectDrawPalette *palette;
            DWORD flags;

            hr = IDirectDrawMediaStream_GetFormat(ddraw_stream, &current_format, &palette, &desired_format, &flags);
            ok(hr == MS_E_NOSTREAM, "IDirectDrawoMediaStream_GetFormat returned: %x\n", hr);

            hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &ddraw_sample);
            ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);
        }

        if (ddraw_sample)
            IDirectDrawStreamSample_Release(ddraw_sample);
        if (ddraw_stream)
            IDirectDrawMediaStream_Release(ddraw_stream);
    }

    /* Verify there is no audio media stream */
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify no stream is created when using the default renderer for audio stream */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryAudio, AMMSF_ADDDEFAULTRENDERER, NULL);
    ok((hr == S_OK) || (hr == VFW_E_NO_AUDIO_HARDWARE), "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    if (hr == S_OK)
    {
        IGraphBuilder* filtergraph = NULL;
        IBaseFilter* filter = NULL;
        const WCHAR name[] = {'0','0','0','1',0};
        CLSID clsid;

        hr = IAMMultiMediaStream_GetFilterGraph(pams, &filtergraph);
        ok(hr == S_OK, "IAMMultiMediaStream_GetFilterGraph returned: %x\n", hr);
        if (hr == S_OK)
        {
            hr = IGraphBuilder_FindFilterByName(filtergraph, name, &filter);
            ok(hr == S_OK, "IGraphBuilder_FindFilterByName returned: %x\n", hr);
        }
        if (hr == S_OK)
        {
            hr = IBaseFilter_GetClassID(filter, &clsid);
            ok(hr == S_OK, "IGraphBuilder_FindFilterByName returned: %x\n", hr);
        }
        if (hr == S_OK)
            ok(IsEqualGUID(&clsid, &CLSID_DSoundRender), "Got wrong CLSID\n");
        if (filter)
            IBaseFilter_Release(filter);
        if (filtergraph)
            IGraphBuilder_Release(filtergraph);
    }
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == MS_E_NOSTREAM, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* Verify a stream is created when no default renderer is used */
    hr = IAMMultiMediaStream_AddMediaStream(pams, NULL, &MSPID_PrimaryAudio, 0, NULL);
    ok(hr == S_OK, "IAMMultiMediaStream_AddMediaStream returned: %x\n", hr);
    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryAudio, &audio_stream);
    ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);

    /* verify the audio stream has been added to the media stream filter */
    if (media_stream_filter)
    {
        hr = IMediaStreamFilter_GetMediaStream(media_stream_filter, &MSPID_PrimaryAudio, &dummy_stream);
        ok(hr == S_OK, "IAMMultiMediaStream_GetMediaStream returned: %x\n", hr);
        ok(dummy_stream == audio_stream, "Got wrong returned pointer %p, expected %p\n", dummy_stream, audio_stream);
        if (SUCCEEDED(hr))
            IMediaStream_Release(dummy_stream);
    }

   /* Check interfaces and samples for audio */
    if (audio_stream)
    {
        IAMMediaStream* am_media_stream;
        IDirectDrawMediaStream* ddraw_stream = NULL;
        IAudioMediaStream* audio_media_stream = NULL;
        IAudioStreamSample *audio_sample = NULL;

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IAMMediaStream, (LPVOID*)&am_media_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);
        ok((void*)am_media_stream == (void*)audio_stream, "Not same interface, got %p expected %p\n", am_media_stream, audio_stream);
        if (hr == S_OK)
            IAMMediaStream_Release(am_media_stream);

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IDirectDrawMediaStream, (LPVOID*)&ddraw_stream);
        ok(hr == E_NOINTERFACE, "IMediaStream_QueryInterface returned: %x\n", hr);

        hr = IMediaStream_QueryInterface(audio_stream, &IID_IAudioMediaStream, (LPVOID*)&audio_media_stream);
        ok(hr == S_OK, "IMediaStream_QueryInterface returned: %x\n", hr);

        if (SUCCEEDED(hr))
        {
            IAudioData* audio_data = NULL;
            WAVEFORMATEX format;

            hr = CoCreateInstance(&CLSID_AMAudioData, NULL, CLSCTX_INPROC_SERVER, &IID_IAudioData, (void **)&audio_data);
            ok(hr == S_OK, "CoCreateInstance returned: %x\n", hr);

            hr = IAudioMediaStream_GetFormat(audio_media_stream, NULL);
            ok(hr == E_POINTER, "IAudioMediaStream_GetFormat returned: %x\n", hr);
            hr = IAudioMediaStream_GetFormat(audio_media_stream, &format);
            ok(hr == MS_E_NOSTREAM, "IAudioMediaStream_GetFormat returned: %x\n", hr);

            hr = IAudioMediaStream_CreateSample(audio_media_stream, NULL, 0, &audio_sample);
            ok(hr == E_POINTER, "IAudioMediaStream_CreateSample returned: %x\n", hr);
            hr = IAudioMediaStream_CreateSample(audio_media_stream, audio_data, 0, &audio_sample);
            ok(hr == S_OK, "IAudioMediaStream_CreateSample returned: %x\n", hr);

            if (audio_data)
                IAudioData_Release(audio_data);
            if (audio_sample)
                IAudioStreamSample_Release(audio_sample);
            if (audio_media_stream)
                IAudioMediaStream_Release(audio_media_stream);
        }
    }

    if (media_stream_filter)
    {
        IEnumPins *enum_pins;

        hr = IMediaStreamFilter_EnumPins(media_stream_filter, &enum_pins);
        ok(hr == S_OK, "IBaseFilter_EnumPins returned: %x\n", hr);
        if (hr == S_OK)
        {
            IPin* pins[3] = { NULL, NULL, NULL };
            ULONG nb_pins;
            ULONG expected_nb_pins = audio_stream ? 2 : 1;
            int i;

            hr = IEnumPins_Next(enum_pins, 3, pins, &nb_pins);
            ok(SUCCEEDED(hr), "IEnumPins_Next returned: %x\n", hr);
            ok(nb_pins == expected_nb_pins, "Number of pins is %u instead of %u\n", nb_pins, expected_nb_pins);
            for (i = 0; i < min(nb_pins, expected_nb_pins); i++)
            {
                IEnumMediaTypes* enum_media_types;
                AM_MEDIA_TYPE* media_types[10];
                ULONG nb_media_types;
                IPin* pin;
                PIN_INFO info;
                WCHAR id[40];

                /* Pin name is "I{guid MSPID_PrimaryVideo or MSPID_PrimaryAudio}" */
                id[0] = 'I';
                StringFromGUID2(i ? &MSPID_PrimaryAudio : &MSPID_PrimaryVideo, id + 1, 40);

                hr = IPin_ConnectedTo(pins[i], &pin);
                ok(hr == VFW_E_NOT_CONNECTED, "IPin_ConnectedTo returned: %x\n", hr);
                hr = IPin_QueryPinInfo(pins[i], &info);
                ok(hr == S_OK, "IPin_QueryPinInfo returned: %x\n", hr);
                IBaseFilter_Release(info.pFilter);
                ok(info.dir == PINDIR_INPUT, "Pin direction is %u instead of %u\n", info.dir, PINDIR_INPUT);
                ok(!lstrcmpW(info.achName, id), "Pin name is %s instead of %s\n", wine_dbgstr_w(info.achName), wine_dbgstr_w(id));
                hr = IPin_EnumMediaTypes(pins[i], &enum_media_types);
                ok(hr == S_OK, "IPin_EnumMediaTypes returned: %x\n", hr);
                hr = IEnumMediaTypes_Next(enum_media_types, sizeof(media_types) / sizeof(media_types[0]), media_types, &nb_media_types);
                ok(SUCCEEDED(hr), "IEnumMediaTypes_Next returned: %x\n", hr);
                ok(nb_media_types > 0, "nb_media_types should be >0\n");
                IEnumMediaTypes_Release(enum_media_types);
                IPin_Release(pins[i]);
            }
            IEnumPins_Release(enum_pins);
        }
    }

    /* Test open file with no filename */
    hr = IAMMultiMediaStream_OpenFile(pams, NULL, 0);
    ok(hr == E_POINTER, "IAMMultiMediaStream_OpenFile returned %x instead of %x\n", hr, E_POINTER);

    if (video_stream)
        IMediaStream_Release(video_stream);
    if (audio_stream)
        IMediaStream_Release(audio_stream);
    if (media_stream_filter)
        IMediaStreamFilter_Release(media_stream_filter);

    release_directdraw();
    IAMMultiMediaStream_Release(pams);
}

static void test_IDirectDrawStreamSample(void)
{
    DDSURFACEDESC desc = { sizeof(desc) };
    IAMMultiMediaStream *pams;
    HRESULT hr;
    IMediaStream *pvidstream = NULL;
    IDirectDrawMediaStream *pddstream = NULL;
    IDirectDrawStreamSample *pddsample = NULL;
    IDirectDrawSurface7 *surface7;
    IDirectDrawSurface *surface, *surface2;
    IDirectDraw *ddraw, *ddraw2;
    IDirectDraw7 *ddraw7;
    RECT rect;

    if (!(pams = create_ammultimediastream()))
        return;
    if (!create_directdraw())
    {
        IAMMultiMediaStream_Release(pams);
        return;
    }

    hr = IAMMultiMediaStream_Initialize(pams, STREAMTYPE_READ, 0, NULL);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    hr = IAMMultiMediaStream_AddMediaStream(pams, (IUnknown*)pdd7, &MSPID_PrimaryVideo, 0, NULL);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    hr = IAMMultiMediaStream_GetMediaStream(pams, &MSPID_PrimaryVideo, &pvidstream);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    if (FAILED(hr)) goto error;

    hr = IMediaStream_QueryInterface(pvidstream, &IID_IDirectDrawMediaStream, (LPVOID*)&pddstream);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    if (FAILED(hr)) goto error;

    hr = IDirectDrawMediaStream_GetDirectDraw(pddstream, &ddraw);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    hr = IDirectDrawMediaStream_GetDirectDraw(pddstream, &ddraw2);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    ok(ddraw == ddraw2, "got %p, %p\n", ddraw, ddraw2);

    hr = IDirectDraw_QueryInterface(ddraw, &IID_IDirectDraw7, (void**)&ddraw7);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    IDirectDraw7_Release(ddraw7);

    IDirectDraw_Release(ddraw2);
    IDirectDraw_Release(ddraw);

    hr = IDirectDrawMediaStream_CreateSample(pddstream, NULL, NULL, 0, &pddsample);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    surface = NULL;
    hr = IDirectDrawStreamSample_GetSurface(pddsample, &surface, &rect);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    ok(surface != NULL, "got %p\n", surface);

    hr = IDirectDrawSurface_QueryInterface(surface, &IID_IDirectDrawSurface7, (void**)&surface7);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    IDirectDrawSurface7_Release(surface7);

    hr = IDirectDrawSurface_GetSurfaceDesc(surface, &desc);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    ok(desc.dwWidth == 100, "width %d\n", desc.dwWidth);
    ok(desc.dwHeight == 100, "height %d\n", desc.dwHeight);
    ok(desc.ddpfPixelFormat.dwFlags == DDPF_RGB, "format flags %08x\n", desc.ddpfPixelFormat.dwFlags);
    ok(desc.ddpfPixelFormat.dwRGBBitCount, "dwRGBBitCount %d\n", desc.ddpfPixelFormat.dwRGBBitCount);
    IDirectDrawSurface_Release(surface);
    IDirectDrawStreamSample_Release(pddsample);

    hr = IDirectDrawSurface7_QueryInterface(pdds7, &IID_IDirectDrawSurface, (void**)&surface);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    EXPECT_REF(surface, 1);
    hr = IDirectDrawMediaStream_CreateSample(pddstream, surface, NULL, 0, &pddsample);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    EXPECT_REF(surface, 2);

    surface2 = NULL;
    memset(&rect, 0, sizeof(rect));
    hr = IDirectDrawStreamSample_GetSurface(pddsample, &surface2, &rect);
    ok(hr == S_OK, "got 0x%08x\n", hr);
    ok(surface == surface2, "got %p\n", surface2);
    ok(rect.right > 0 && rect.bottom > 0, "got %d, %d\n", rect.right, rect.bottom);
    EXPECT_REF(surface, 3);
    IDirectDrawSurface_Release(surface2);

    hr = IDirectDrawStreamSample_GetSurface(pddsample, NULL, NULL);
    ok(hr == S_OK, "got 0x%08x\n", hr);

    IDirectDrawStreamSample_Release(pddsample);
    IDirectDrawSurface_Release(surface);

error:
    if (pddstream)
        IDirectDrawMediaStream_Release(pddstream);
    if (pvidstream)
        IMediaStream_Release(pvidstream);

    release_directdraw();
    IAMMultiMediaStream_Release(pams);
}

START_TEST(amstream)
{
    HANDLE file;

    CoInitializeEx(NULL, COINIT_MULTITHREADED);

    test_media_streams();
    test_IDirectDrawStreamSample();

    file = CreateFileW(filenameW, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
    if (file != INVALID_HANDLE_VALUE)
    {
        CloseHandle(file);

        test_openfile();
        test_renderfile();
    }

    CoUninitialize();
}