text: /*
   * WAVE parser filter unit tests
   *
   * Copyright 2018 Zebediah Figura
   *
   * 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 "dshow.h"
  #include "wine/test.h"
  
  static const WCHAR sink_name[] = {'i','n','p','u','t',' ','p','i','n',0};
  static const WCHAR source_name[] = {'o','u','t','p','u','t',0};
  
  static IBaseFilter *create_wave_parser(void)
  {
      IBaseFilter *filter = NULL;
      HRESULT hr = CoCreateInstance(&CLSID_WAVEParser, NULL, CLSCTX_INPROC_SERVER,
              &IID_IBaseFilter, (void **)&filter);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      return filter;
  }
  
  static const WCHAR wavefile[] = {'t','e','s','t','.','w','a','v',0};
  
  static WCHAR *load_resource(const WCHAR *name)
  {
      static WCHAR pathW[MAX_PATH];
      DWORD written;
      HANDLE file;
      HRSRC res;
      void *ptr;
  
      GetTempPathW(ARRAY_SIZE(pathW), pathW);
      lstrcatW(pathW, name);
  
      file = CreateFileW(pathW, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
      ok(file != INVALID_HANDLE_VALUE, "Failed to create file %s, error %u.\n",
              wine_dbgstr_w(pathW), GetLastError());
  
      res = FindResourceW(NULL, name, (LPCWSTR)RT_RCDATA);
      ok(!!res, "Failed to load resource, error %u.\n", GetLastError());
      ptr = LockResource(LoadResource(GetModuleHandleA(NULL), res));
      WriteFile(file, ptr, SizeofResource( GetModuleHandleA(NULL), res), &written, NULL);
      ok(written == SizeofResource(GetModuleHandleA(NULL), res), "Failed to write resource.\n");
      CloseHandle(file);
  
      return pathW;
  }
  
  static ULONG get_refcount(void *iface)
  {
      IUnknown *unknown = iface;
      IUnknown_AddRef(unknown);
      return IUnknown_Release(unknown);
  }
  
  static IFilterGraph2 *connect_input(IBaseFilter *splitter, const WCHAR *filename)
  {
      static const WCHAR outputW[] = {'O','u','t','p','u','t',0};
      IFileSourceFilter *filesource;
      IFilterGraph2 *graph;
      IBaseFilter *reader;
      IPin *source, *sink;
      HRESULT hr;
  
      CoCreateInstance(&CLSID_AsyncReader, NULL, CLSCTX_INPROC_SERVER,
              &IID_IBaseFilter, (void **)&reader);
      IBaseFilter_QueryInterface(reader, &IID_IFileSourceFilter, (void **)&filesource);
      IFileSourceFilter_Load(filesource, filename, NULL);
  
      CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
              &IID_IFilterGraph2, (void **)&graph);
      IFilterGraph2_AddFilter(graph, reader, NULL);
      IFilterGraph2_AddFilter(graph, splitter, NULL);
  
      IBaseFilter_FindPin(splitter, sink_name, &sink);
      IBaseFilter_FindPin(reader, outputW, &source);
  
      hr = IFilterGraph2_ConnectDirect(graph, source, sink, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      IPin_Release(source);
      IPin_Release(sink);
      IBaseFilter_Release(reader);
      IFileSourceFilter_Release(filesource);
      return graph;
  }
  
  #define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
  static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
  {
      IUnknown *iface = iface_ptr;
      HRESULT hr, expected_hr;
      IUnknown *unk;
  
      expected_hr = supported ? S_OK : E_NOINTERFACE;
  
      hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
      ok_(__FILE__, line)(hr == expected_hr, "Got hr %#x, expected %#x.\n", hr, expected_hr);
      if (SUCCEEDED(hr))
          IUnknown_Release(unk);
  }
  
  static void test_interfaces(void)
  {
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      IFilterGraph2 *graph = connect_input(filter, filename);
      IPin *pin;
  
      check_interface(filter, &IID_IBaseFilter, TRUE);
      check_interface(filter, &IID_IMediaFilter, TRUE);
      check_interface(filter, &IID_IPersist, TRUE);
      check_interface(filter, &IID_IUnknown, TRUE);
  
      check_interface(filter, &IID_IAMFilterMiscFlags, FALSE);
      check_interface(filter, &IID_IBasicAudio, FALSE);
      check_interface(filter, &IID_IBasicVideo, FALSE);
      check_interface(filter, &IID_IKsPropertySet, FALSE);
      check_interface(filter, &IID_IMediaPosition, FALSE);
      check_interface(filter, &IID_IMediaSeeking, FALSE);
      check_interface(filter, &IID_IPersistPropertyBag, FALSE);
      check_interface(filter, &IID_IPin, FALSE);
      check_interface(filter, &IID_IQualityControl, FALSE);
      check_interface(filter, &IID_IQualProp, FALSE);
      check_interface(filter, &IID_IReferenceClock, FALSE);
      check_interface(filter, &IID_IVideoWindow, FALSE);
  
      IBaseFilter_FindPin(filter, sink_name, &pin);
  
      check_interface(pin, &IID_IPin, TRUE);
      check_interface(pin, &IID_IUnknown, TRUE);
  
      check_interface(pin, &IID_IKsPropertySet, FALSE);
      check_interface(pin, &IID_IMemInputPin, FALSE);
      check_interface(pin, &IID_IMediaPosition, FALSE);
      check_interface(pin, &IID_IMediaSeeking, FALSE);
  
      IPin_Release(pin);
  
      IBaseFilter_FindPin(filter, source_name, &pin);
  
      todo_wine check_interface(pin, &IID_IMediaPosition, TRUE);
      check_interface(pin, &IID_IMediaSeeking, TRUE);
      check_interface(pin, &IID_IPin, TRUE);
      check_interface(pin, &IID_IQualityControl, TRUE);
      check_interface(pin, &IID_IUnknown, TRUE);
  
      check_interface(pin, &IID_IAsyncReader, FALSE);
      check_interface(pin, &IID_IKsPropertySet, FALSE);
  
      IPin_Release(pin);
  
      IBaseFilter_Release(filter);
      IFilterGraph2_Release(graph);
      DeleteFileW(filename);
  }
  
  static const GUID test_iid = {0x33333333};
  static LONG outer_ref = 1;
  
  static HRESULT WINAPI outer_QueryInterface(IUnknown *iface, REFIID iid, void **out)
  {
      if (IsEqualGUID(iid, &IID_IUnknown)
              || IsEqualGUID(iid, &IID_IBaseFilter)
              || IsEqualGUID(iid, &test_iid))
      {
          *out = (IUnknown *)0xdeadbeef;
          return S_OK;
      }
      ok(0, "unexpected call %s\n", wine_dbgstr_guid(iid));
      return E_NOINTERFACE;
  }
  
  static ULONG WINAPI outer_AddRef(IUnknown *iface)
  {
      return InterlockedIncrement(&outer_ref);
  }
  
  static ULONG WINAPI outer_Release(IUnknown *iface)
  {
      return InterlockedDecrement(&outer_ref);
  }
  
  static const IUnknownVtbl outer_vtbl =
  {
      outer_QueryInterface,
      outer_AddRef,
      outer_Release,
  };
  
  static IUnknown test_outer = {&outer_vtbl};
  
  static void test_aggregation(void)
  {
      IBaseFilter *filter, *filter2;
      IUnknown *unk, *unk2;
      HRESULT hr;
      ULONG ref;
  
      filter = (IBaseFilter *)0xdeadbeef;
      hr = CoCreateInstance(&CLSID_WAVEParser, &test_outer, CLSCTX_INPROC_SERVER,
              &IID_IBaseFilter, (void **)&filter);
      ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
      ok(!filter, "Got interface %p.\n", filter);
  
      hr = CoCreateInstance(&CLSID_WAVEParser, &test_outer, CLSCTX_INPROC_SERVER,
              &IID_IUnknown, (void **)&unk);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
      ok(unk != &test_outer, "Returned IUnknown should not be outer IUnknown.\n");
      ref = get_refcount(unk);
      ok(ref == 1, "Got unexpected refcount %d.\n", ref);
  
      ref = IUnknown_AddRef(unk);
      ok(ref == 2, "Got unexpected refcount %d.\n", ref);
      ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
  
      ref = IUnknown_Release(unk);
      ok(ref == 1, "Got unexpected refcount %d.\n", ref);
      ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
  
      hr = IUnknown_QueryInterface(unk, &IID_IUnknown, (void **)&unk2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(unk2 == unk, "Got unexpected IUnknown %p.\n", unk2);
      IUnknown_Release(unk2);
  
      hr = IUnknown_QueryInterface(unk, &IID_IBaseFilter, (void **)&filter);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_QueryInterface(filter, &IID_IUnknown, (void **)&unk2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
  
      hr = IBaseFilter_QueryInterface(filter, &IID_IBaseFilter, (void **)&filter2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(filter2 == (IBaseFilter *)0xdeadbeef, "Got unexpected IBaseFilter %p.\n", filter2);
  
      hr = IUnknown_QueryInterface(unk, &test_iid, (void **)&unk2);
      ok(hr == E_NOINTERFACE, "Got hr %#x.\n", hr);
      ok(!unk2, "Got unexpected IUnknown %p.\n", unk2);
  
      hr = IBaseFilter_QueryInterface(filter, &test_iid, (void **)&unk2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(unk2 == (IUnknown *)0xdeadbeef, "Got unexpected IUnknown %p.\n", unk2);
  
      IBaseFilter_Release(filter);
      ref = IUnknown_Release(unk);
      ok(!ref, "Got unexpected refcount %d.\n", ref);
      ok(outer_ref == 1, "Got unexpected refcount %d.\n", outer_ref);
  }
  
  static void test_enum_pins(void)
  {
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      IEnumPins *enum1, *enum2;
      IFilterGraph2 *graph;
      ULONG count, ref;
      IPin *pins[3];
      HRESULT hr;
      BOOL ret;
  
      ref = get_refcount(filter);
      ok(ref == 1, "Got unexpected refcount %d.\n", ref);
  
      hr = IBaseFilter_EnumPins(filter, NULL);
      ok(hr == E_POINTER, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_EnumPins(filter, &enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ref = get_refcount(filter);
      ok(ref == 2, "Got unexpected refcount %d.\n", ref);
      ref = get_refcount(enum1);
      ok(ref == 1, "Got unexpected refcount %d.\n", ref);
  
      hr = IEnumPins_Next(enum1, 1, NULL, NULL);
      ok(hr == E_POINTER, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ref = get_refcount(filter);
      ok(ref == 3, "Got unexpected refcount %d.\n", ref);
      ref = get_refcount(pins[0]);
      ok(ref == 3, "Got unexpected refcount %d.\n", ref);
      ref = get_refcount(enum1);
      ok(ref == 1, "Got unexpected refcount %d.\n", ref);
      IPin_Release(pins[0]);
      ref = get_refcount(filter);
      ok(ref == 2, "Got unexpected refcount %d.\n", ref);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 1, pins, &count);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(count == 1, "Got count %u.\n", count);
      IPin_Release(pins[0]);
  
      hr = IEnumPins_Next(enum1, 1, pins, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(!count, "Got count %u.\n", count);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 2, pins, NULL);
      ok(hr == E_INVALIDARG, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 2, pins, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(count == 1, "Got count %u.\n", count);
      IPin_Release(pins[0]);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Clone(enum1, &enum2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Skip(enum1, 2);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Skip(enum1, 1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Skip(enum1, 1);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum2, 1, pins, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      IPin_Release(pins[0]);
  
      IEnumPins_Release(enum2);
  
      graph = connect_input(filter, filename);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
  todo_wine
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      IPin_Release(pins[0]);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      IPin_Release(pins[0]);
  
      hr = IEnumPins_Next(enum1, 1, pins, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 2, pins, &count);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(count == 2, "Got count %u.\n", count);
      IPin_Release(pins[0]);
      IPin_Release(pins[1]);
  
      hr = IEnumPins_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum1, 3, pins, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(count == 2, "Got count %u.\n", count);
      IPin_Release(pins[0]);
      IPin_Release(pins[1]);
  
      IEnumPins_Release(enum1);
      IFilterGraph2_Release(graph);
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
      ret = DeleteFileW(filename);
      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
  }
  
  static void test_find_pin(void)
  {
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      IFilterGraph2 *graph;
      IEnumPins *enum_pins;
      IPin *pin, *pin2;
      HRESULT hr;
      ULONG ref;
      BOOL ret;
  
      hr = IBaseFilter_FindPin(filter, sink_name, &pin);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      IPin_Release(pin);
  
      hr = IBaseFilter_FindPin(filter, source_name, &pin);
      ok(hr == VFW_E_NOT_FOUND, "Got hr %#x.\n", hr);
  
      graph = connect_input(filter, filename);
  
      hr = IBaseFilter_EnumPins(filter, &enum_pins);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumPins_Next(enum_pins, 1, &pin2, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_FindPin(filter, source_name, &pin);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  todo_wine
      ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
      IPin_Release(pin);
      IPin_Release(pin2);
  
      hr = IEnumPins_Next(enum_pins, 1, &pin2, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_FindPin(filter, sink_name, &pin);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  todo_wine
      ok(pin == pin2, "Expected pin %p, got %p.\n", pin2, pin);
      IPin_Release(pin);
      IPin_Release(pin2);
  
      IEnumPins_Release(enum_pins);
      IFilterGraph2_Release(graph);
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
      ret = DeleteFileW(filename);
      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
  }
  
  static void test_pin_info(void)
  {
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      ULONG ref, expect_ref;
      IFilterGraph2 *graph;
      PIN_DIRECTION dir;
      PIN_INFO info;
      HRESULT hr;
      WCHAR *id;
      IPin *pin;
      BOOL ret;
  
      graph = connect_input(filter, filename);
  
      hr = IBaseFilter_FindPin(filter, sink_name, &pin);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      expect_ref = get_refcount(filter);
      ref = get_refcount(pin);
      ok(ref == expect_ref, "Got unexpected refcount %d.\n", ref);
  
      hr = IPin_QueryPinInfo(pin, &info);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(info.pFilter == filter, "Expected filter %p, got %p.\n", filter, info.pFilter);
      ok(info.dir == PINDIR_INPUT, "Got direction %d.\n", info.dir);
      ok(!lstrcmpW(info.achName, sink_name), "Got name %s.\n", wine_dbgstr_w(info.achName));
      ref = get_refcount(filter);
      ok(ref == expect_ref + 1, "Got unexpected refcount %d.\n", ref);
      ref = get_refcount(pin);
      ok(ref == expect_ref + 1, "Got unexpected refcount %d.\n", ref);
      IBaseFilter_Release(info.pFilter);
  
      hr = IPin_QueryDirection(pin, &dir);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(dir == PINDIR_INPUT, "Got direction %d.\n", dir);
  
      hr = IPin_QueryId(pin, &id);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(!lstrcmpW(id, sink_name), "Got id %s.\n", wine_dbgstr_w(id));
      CoTaskMemFree(id);
  
      IPin_Release(pin);
  
      hr = IBaseFilter_FindPin(filter, source_name, &pin);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      check_interface(pin, &IID_IPin, TRUE);
      check_interface(pin, &IID_IMediaSeeking, TRUE);
  
      hr = IPin_QueryPinInfo(pin, &info);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(info.pFilter == filter, "Expected filter %p, got %p.\n", filter, info.pFilter);
      ok(info.dir == PINDIR_OUTPUT, "Got direction %d.\n", info.dir);
      ok(!lstrcmpW(info.achName, source_name), "Got name %s.\n", wine_dbgstr_w(info.achName));
      IBaseFilter_Release(info.pFilter);
  
      hr = IPin_QueryDirection(pin, &dir);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(dir == PINDIR_OUTPUT, "Got direction %d.\n", dir);
  
      hr = IPin_QueryId(pin, &id);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(!lstrcmpW(id, source_name), "Got id %s.\n", wine_dbgstr_w(id));
      CoTaskMemFree(id);
  
      IPin_Release(pin);
  
      IFilterGraph2_Release(graph);
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
      ret = DeleteFileW(filename);
      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
  }
  
  static void test_media_types(void)
  {
      static const WAVEFORMATEX expect_wfx = {WAVE_FORMAT_PCM, 1, 44100, 44100, 1, 8, 0};
  
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      AM_MEDIA_TYPE mt = {{0}}, *pmt;
      IEnumMediaTypes *enummt;
      IFilterGraph2 *graph;
      HRESULT hr;
      ULONG ref;
      IPin *pin;
      BOOL ret;
  
      IBaseFilter_FindPin(filter, sink_name, &pin);
  
      hr = IPin_EnumMediaTypes(pin, &enummt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enummt, 1, &pmt, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      IEnumMediaTypes_Release(enummt);
  
      mt.majortype = MEDIATYPE_Stream;
      mt.subtype = MEDIASUBTYPE_WAVE;
      hr = IPin_QueryAccept(pin, &mt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      mt.bFixedSizeSamples = TRUE;
      mt.bTemporalCompression = TRUE;
      mt.lSampleSize = 123;
      mt.formattype = FORMAT_VideoInfo;
      hr = IPin_QueryAccept(pin, &mt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      mt.majortype = GUID_NULL;
      hr = IPin_QueryAccept(pin, &mt);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      mt.majortype = MEDIATYPE_Stream;
  
      mt.subtype = GUID_NULL;
      hr = IPin_QueryAccept(pin, &mt);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      mt.subtype = MEDIASUBTYPE_WAVE;
  
      graph = connect_input(filter, filename);
  
      hr = IPin_EnumMediaTypes(pin, &enummt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enummt, 1, &pmt, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      IEnumMediaTypes_Release(enummt);
      IPin_Release(pin);
  
      IBaseFilter_FindPin(filter, source_name, &pin);
  
      hr = IPin_EnumMediaTypes(pin, &enummt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enummt, 1, &pmt, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(IsEqualGUID(&pmt->majortype, &MEDIATYPE_Audio), "Got major type %s.\n",
              wine_dbgstr_guid(&pmt->majortype));
      ok(IsEqualGUID(&pmt->subtype, &MEDIASUBTYPE_PCM), "Got subtype %s\n",
              wine_dbgstr_guid(&pmt->subtype));
      ok(pmt->bFixedSizeSamples == TRUE, "Got fixed size %d.\n", pmt->bFixedSizeSamples);
      ok(!pmt->bTemporalCompression, "Got temporal compression %d.\n", pmt->bTemporalCompression);
      ok(pmt->lSampleSize == 1, "Got sample size %u.\n", pmt->lSampleSize);
      ok(IsEqualGUID(&pmt->formattype, &FORMAT_WaveFormatEx), "Got format type %s.\n",
              wine_dbgstr_guid(&pmt->formattype));
      ok(!pmt->pUnk, "Got pUnk %p.\n", pmt->pUnk);
      ok(pmt->cbFormat == sizeof(WAVEFORMATEX), "Got format size %u.\n", pmt->cbFormat);
      ok(!memcmp(pmt->pbFormat, &expect_wfx, sizeof(WAVEFORMATEX)), "Format blocks didn't match.\n");
  
      hr = IPin_QueryAccept(pin, pmt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      pmt->bFixedSizeSamples = FALSE;
      pmt->bTemporalCompression = TRUE;
      pmt->lSampleSize = 123;
      hr = IPin_QueryAccept(pin, pmt);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      pmt->majortype = GUID_NULL;
      hr = IPin_QueryAccept(pin, pmt);
      todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      pmt->majortype = MEDIATYPE_Audio;
  
      pmt->subtype = GUID_NULL;
      hr = IPin_QueryAccept(pin, pmt);
      todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      pmt->subtype = MEDIASUBTYPE_WAVE;
  
      pmt->formattype = GUID_NULL;
      hr = IPin_QueryAccept(pin, pmt);
      todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      pmt->formattype = FORMAT_None;
      hr = IPin_QueryAccept(pin, pmt);
      todo_wine ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      CoTaskMemFree(pmt->pbFormat);
      CoTaskMemFree(pmt);
  
      hr = IEnumMediaTypes_Next(enummt, 1, &pmt, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      IEnumMediaTypes_Release(enummt);
      IPin_Release(pin);
  
      IFilterGraph2_Release(graph);
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
      ret = DeleteFileW(filename);
      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
  }
  
  static void test_enum_media_types(void)
  {
      const WCHAR *filename = load_resource(wavefile);
      IBaseFilter *filter = create_wave_parser();
      IFilterGraph2 *graph = connect_input(filter, filename);
      IEnumMediaTypes *enum1, *enum2;
      AM_MEDIA_TYPE *mts[2];
      ULONG ref, count;
      HRESULT hr;
      IPin *pin;
      BOOL ret;
  
      IBaseFilter_FindPin(filter, sink_name, &pin);
  
      hr = IPin_EnumMediaTypes(pin, &enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(!count, "Got count %u.\n", count);
  
      hr = IEnumMediaTypes_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Clone(enum1, &enum2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Skip(enum1, 1);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum2, 1, mts, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      IEnumMediaTypes_Release(enum1);
      IEnumMediaTypes_Release(enum2);
      IPin_Release(pin);
  
      IBaseFilter_FindPin(filter, source_name, &pin);
  
      hr = IPin_EnumMediaTypes(pin, &enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      CoTaskMemFree(mts[0]->pbFormat);
      CoTaskMemFree(mts[0]);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, &count);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(count == 1, "Got count %u.\n", count);
      CoTaskMemFree(mts[0]->pbFormat);
      CoTaskMemFree(mts[0]);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(!count, "Got count %u.\n", count);
  
      hr = IEnumMediaTypes_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 2, mts, &count);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
      ok(count == 1, "Got count %u.\n", count);
      CoTaskMemFree(mts[0]->pbFormat);
      CoTaskMemFree(mts[0]);
  
      hr = IEnumMediaTypes_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Clone(enum1, &enum2);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Skip(enum1, 2);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Skip(enum1, 1);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Reset(enum1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Skip(enum1, 1);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Skip(enum1, 1);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum1, 1, mts, NULL);
      ok(hr == S_FALSE, "Got hr %#x.\n", hr);
  
      hr = IEnumMediaTypes_Next(enum2, 1, mts, NULL);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      CoTaskMemFree(mts[0]->pbFormat);
      CoTaskMemFree(mts[0]);
  
      IEnumMediaTypes_Release(enum1);
      IEnumMediaTypes_Release(enum2);
      IPin_Release(pin);
  
      IFilterGraph2_Release(graph);
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
      ret = DeleteFileW(filename);
      ok(ret, "Failed to delete file, error %u.\n", GetLastError());
  }
  
  static void test_unconnected_filter_state(void)
  {
      IBaseFilter *filter = create_wave_parser();
      FILTER_STATE state;
      HRESULT hr;
      ULONG ref;
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(state == State_Stopped, "Got state %u.\n", state);
  
      hr = IBaseFilter_Pause(filter);
      todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      todo_wine ok(state == State_Paused, "Got state %u.\n", state);
  
      hr = IBaseFilter_Run(filter, 0);
      todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      todo_wine ok(state == State_Running, "Got state %u.\n", state);
  
      hr = IBaseFilter_Pause(filter);
      todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      todo_wine ok(state == State_Paused, "Got state %u.\n", state);
  
      hr = IBaseFilter_Stop(filter);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(state == State_Stopped, "Got state %u.\n", state);
  
      hr = IBaseFilter_Run(filter, 0);
      todo_wine ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      todo_wine ok(state == State_Running, "Got state %u.\n", state);
  
      hr = IBaseFilter_Stop(filter);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
  
      hr = IBaseFilter_GetState(filter, 0, &state);
      ok(hr == S_OK, "Got hr %#x.\n", hr);
      ok(state == State_Stopped, "Got state %u.\n", state);
  
      ref = IBaseFilter_Release(filter);
      ok(!ref, "Got outstanding refcount %d.\n", ref);
  }
  
  START_TEST(waveparser)
  {
      IBaseFilter *filter;
  
      CoInitialize(NULL);
  
      if (FAILED(CoCreateInstance(&CLSID_WAVEParser, NULL, CLSCTX_INPROC_SERVER,
              &IID_IBaseFilter, (void **)&filter)))
      {
          skip("Failed to create WAVE parser.\n");
          return;
      }
      IBaseFilter_Release(filter);
  
      test_interfaces();
      test_aggregation();
      test_enum_pins();
      test_find_pin();
      test_pin_info();
      test_media_types();
      test_enum_media_types();
      test_unconnected_filter_state();
  
      CoUninitialize();
  }
  