Remove DeviceManager and DeviceInfo.

webrtc/media/devices/win32devicemanager.cc

Index: webrtc/media/devices/win32devicemanager.cc
diff --git a/webrtc/media/devices/win32devicemanager.cc b/webrtc/media/devices/win32devicemanager.cc
deleted file mode 100644
index 08a580197298ec77f006d32ad612e1038ceae171..0000000000000000000000000000000000000000
--- a/webrtc/media/devices/win32devicemanager.cc
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/media/devices/win32devicemanager.h"
-
-#include <atlbase.h>
-#include <dbt.h>
-#include <strmif.h>  // must come before ks.h
-#include <ks.h>
-#include <ksmedia.h>
-#include <mmdeviceapi.h>
-#include <mmsystem.h>
-#include <functiondiscoverykeys_devpkey.h>
-#include <uuids.h>
-
-// PKEY_AudioEndpoint_GUID isn't included in uuid.lib and we don't want
-// to define INITGUID in order to define all the uuids in this object file
-// as it will conflict with uuid.lib (multiply defined symbols).
-// So our workaround is to define this one missing symbol here manually.
-// See: https://code.google.com/p/webrtc/issues/detail?id=3996
-EXTERN_C const PROPERTYKEY PKEY_AudioEndpoint_GUID = { {
-  0x1da5d803, 0xd492, 0x4edd, {
-    0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e
-  } }, 4
-};
-
-#include "webrtc/base/arraysize.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/base/stringutils.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/win32.h"  // ToUtf8
-#include "webrtc/base/win32window.h"
-#include "webrtc/media/base/mediacommon.h"
-#ifdef HAVE_LOGITECH_HEADERS
-#include "third_party/logitech/files/logitechquickcam.h"
-#endif
-
-namespace cricket {
-
-DeviceManagerInterface* DeviceManagerFactory::Create() {
-  return new Win32DeviceManager();
-}
-
-class Win32DeviceWatcher
-    : public DeviceWatcher,
-      public rtc::Win32Window {
- public:
-  explicit Win32DeviceWatcher(Win32DeviceManager* dm);
-  virtual ~Win32DeviceWatcher();
-  virtual bool Start();
-  virtual void Stop();
-
- private:
-  HDEVNOTIFY Register(REFGUID guid);
-  void Unregister(HDEVNOTIFY notify);
-  virtual bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT& result);
-
-  Win32DeviceManager* manager_;
-  HDEVNOTIFY audio_notify_;
-  HDEVNOTIFY video_notify_;
-};
-
-static const char* kFilteredAudioDevicesName[] = {
-    NULL,
-};
-static const char* const kFilteredVideoDevicesName[] =  {
-    "Asus virtual Camera",     // Bad Asus desktop virtual cam
-    "Bluetooth Video",         // Bad Sony viao bluetooth sharing driver
-    NULL,
-};
-static const wchar_t kFriendlyName[] = L"FriendlyName";
-static const wchar_t kDevicePath[] = L"DevicePath";
-static const char kUsbDevicePathPrefix[] = "\\\\?\\usb";
-static bool GetDevices(const CLSID& catid, std::vector<Device>* out);
-static bool GetCoreAudioDevices(bool input, std::vector<Device>* devs);
-static bool GetWaveDevices(bool input, std::vector<Device>* devs);
-
-Win32DeviceManager::Win32DeviceManager()
-    : need_couninitialize_(false) {
-  set_watcher(new Win32DeviceWatcher(this));
-}
-
-Win32DeviceManager::~Win32DeviceManager() {
-  if (initialized()) {
-    Terminate();
-  }
-}
-
-bool Win32DeviceManager::Init() {
-  if (!initialized()) {
-    HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
-    need_couninitialize_ = SUCCEEDED(hr);
-    if (FAILED(hr)) {
-      LOG(LS_ERROR) << "CoInitialize failed, hr=" << hr;
-      if (hr != RPC_E_CHANGED_MODE) {
-        return false;
-      }
-    }
-    if (!watcher()->Start()) {
-      return false;
-    }
-    set_initialized(true);
-  }
-  return true;
-}
-
-void Win32DeviceManager::Terminate() {
-  if (initialized()) {
-    watcher()->Stop();
-    if (need_couninitialize_) {
-      CoUninitialize();
-      need_couninitialize_ = false;
-    }
-    set_initialized(false);
-  }
-}
-
-bool Win32DeviceManager::GetDefaultVideoCaptureDevice(Device* device) {
-  bool ret = false;
-  // If there are multiple capture devices, we want the first USB one.
-  // This avoids issues with defaulting to virtual cameras or grabber cards.
-  std::vector<Device> devices;
-  ret = (GetVideoCaptureDevices(&devices) && !devices.empty());
-  if (ret) {
-    *device = devices[0];
-    for (size_t i = 0; i < devices.size(); ++i) {
-      if (strnicmp(devices[i].id.c_str(), kUsbDevicePathPrefix,
-                   arraysize(kUsbDevicePathPrefix) - 1) == 0) {
-        *device = devices[i];
-        break;
-      }
-    }
-  }
-  return ret;
-}
-
-bool Win32DeviceManager::GetAudioDevices(bool input,
-                                         std::vector<Device>* devs) {
-  devs->clear();
-
-  if (rtc::IsWindowsVistaOrLater()) {
-    if (!GetCoreAudioDevices(input, devs))
-      return false;
-  } else {
-    if (!GetWaveDevices(input, devs))
-      return false;
-  }
-  return FilterDevices(devs, kFilteredAudioDevicesName);
-}
-
-bool Win32DeviceManager::GetVideoCaptureDevices(std::vector<Device>* devices) {
-  devices->clear();
-  if (!GetDevices(CLSID_VideoInputDeviceCategory, devices)) {
-    return false;
-  }
-  return FilterDevices(devices, kFilteredVideoDevicesName);
-}
-
-bool GetDevices(const CLSID& catid, std::vector<Device>* devices) {
-  HRESULT hr;
-
-  // CComPtr is a scoped pointer that will be auto released when going
-  // out of scope. CoUninitialize must not be called before the
-  // release.
-  CComPtr<ICreateDevEnum> sys_dev_enum;
-  CComPtr<IEnumMoniker> cam_enum;
-  if (FAILED(hr = sys_dev_enum.CoCreateInstance(CLSID_SystemDeviceEnum)) ||
-      FAILED(hr = sys_dev_enum->CreateClassEnumerator(catid, &cam_enum, 0))) {
-    LOG(LS_ERROR) << "Failed to create device enumerator, hr="  << hr;
-    return false;
-  }
-
-  // Only enum devices if CreateClassEnumerator returns S_OK. If there are no
-  // devices available, S_FALSE will be returned, but enumMk will be NULL.
-  if (hr == S_OK) {
-    CComPtr<IMoniker> mk;
-    while (cam_enum->Next(1, &mk, NULL) == S_OK) {
-#ifdef HAVE_LOGITECH_HEADERS
-      // Initialize Logitech device if applicable
-      MaybeLogitechDeviceReset(mk);
-#endif
-      CComPtr<IPropertyBag> bag;
-      if (SUCCEEDED(mk->BindToStorage(NULL, NULL,
-          __uuidof(bag), reinterpret_cast<void**>(&bag)))) {
-        CComVariant name, path;
-        std::string name_str, path_str;
-        if (SUCCEEDED(bag->Read(kFriendlyName, &name, 0)) &&
-            name.vt == VT_BSTR) {
-          name_str = rtc::ToUtf8(name.bstrVal);
-          // Get the device id if one exists.
-          if (SUCCEEDED(bag->Read(kDevicePath, &path, 0)) &&
-              path.vt == VT_BSTR) {
-            path_str = rtc::ToUtf8(path.bstrVal);
-          }
-
-          devices->push_back(Device(name_str, path_str));
-        }
-      }
-      mk = NULL;
-    }
-  }
-
-  return true;
-}
-
-HRESULT GetStringProp(IPropertyStore* bag, PROPERTYKEY key, std::string* out) {
-  out->clear();
-  PROPVARIANT var;
-  PropVariantInit(&var);
-
-  HRESULT hr = bag->GetValue(key, &var);
-  if (SUCCEEDED(hr)) {
-    if (var.pwszVal)
-      *out = rtc::ToUtf8(var.pwszVal);
-    else
-      hr = E_FAIL;
-  }
-
-  PropVariantClear(&var);
-  return hr;
-}
-
-// Adapted from http://msdn.microsoft.com/en-us/library/dd370812(v=VS.85).aspx
-HRESULT CricketDeviceFromImmDevice(IMMDevice* device, Device* out) {
-  CComPtr<IPropertyStore> props;
-
-  HRESULT hr = device->OpenPropertyStore(STGM_READ, &props);
-  if (FAILED(hr)) {
-    return hr;
-  }
-
-  // Get the endpoint's name and id.
-  std::string name, guid;
-  hr = GetStringProp(props, PKEY_Device_FriendlyName, &name);
-  if (SUCCEEDED(hr)) {
-    hr = GetStringProp(props, PKEY_AudioEndpoint_GUID, &guid);
-
-    if (SUCCEEDED(hr)) {
-      out->name = name;
-      out->id = guid;
-    }
-  }
-  return hr;
-}
-
-bool GetCoreAudioDevices(
-    bool input, std::vector<Device>* devs) {
-  HRESULT hr = S_OK;
-  CComPtr<IMMDeviceEnumerator> enumerator;
-
-  hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL,
-      __uuidof(IMMDeviceEnumerator), reinterpret_cast<void**>(&enumerator));
-  if (SUCCEEDED(hr)) {
-    CComPtr<IMMDeviceCollection> devices;
-    hr = enumerator->EnumAudioEndpoints((input ? eCapture : eRender),
-                                        DEVICE_STATE_ACTIVE, &devices);
-    if (SUCCEEDED(hr)) {
-      unsigned int count;
-      hr = devices->GetCount(&count);
-
-      if (SUCCEEDED(hr)) {
-        for (unsigned int i = 0; i < count; i++) {
-          CComPtr<IMMDevice> device;
-
-          // Get pointer to endpoint number i.
-          hr = devices->Item(i, &device);
-          if (FAILED(hr)) {
-            break;
-          }
-
-          Device dev;
-          hr = CricketDeviceFromImmDevice(device, &dev);
-          if (SUCCEEDED(hr)) {
-            devs->push_back(dev);
-          } else {
-            LOG(LS_WARNING) << "Unable to query IMM Device, skipping.  HR="
-                            << hr;
-            hr = S_FALSE;
-          }
-        }
-      }
-    }
-  }
-
-  if (FAILED(hr)) {
-    LOG(LS_WARNING) << "GetCoreAudioDevices failed with hr " << hr;
-    return false;
-  }
-  return true;
-}
-
-bool GetWaveDevices(bool input, std::vector<Device>* devs) {
-  // Note, we don't use the System Device Enumerator interface here since it
-  // adds lots of pseudo-devices to the list, such as DirectSound and Wave
-  // variants of the same device.
-  if (input) {
-    int num_devs = waveInGetNumDevs();
-    for (int i = 0; i < num_devs; ++i) {
-      WAVEINCAPS caps;
-      if (waveInGetDevCaps(i, &caps, sizeof(caps)) == MMSYSERR_NOERROR &&
-          caps.wChannels > 0) {
-        devs->push_back(Device(rtc::ToUtf8(caps.szPname),
-                               rtc::ToString(i)));
-      }
-    }
-  } else {
-    int num_devs = waveOutGetNumDevs();
-    for (int i = 0; i < num_devs; ++i) {
-      WAVEOUTCAPS caps;
-      if (waveOutGetDevCaps(i, &caps, sizeof(caps)) == MMSYSERR_NOERROR &&
-          caps.wChannels > 0) {
-        devs->push_back(Device(rtc::ToUtf8(caps.szPname), i));
-      }
-    }
-  }
-  return true;
-}
-
-Win32DeviceWatcher::Win32DeviceWatcher(Win32DeviceManager* manager)
-    : DeviceWatcher(manager),
-      manager_(manager),
-      audio_notify_(NULL),
-      video_notify_(NULL) {
-}
-
-Win32DeviceWatcher::~Win32DeviceWatcher() {
-}
-
-bool Win32DeviceWatcher::Start() {
-  if (!Create(NULL, _T("libjingle Win32DeviceWatcher Window"),
-              0, 0, 0, 0, 0, 0)) {
-    return false;
-  }
-
-  audio_notify_ = Register(KSCATEGORY_AUDIO);
-  if (!audio_notify_) {
-    Stop();
-    return false;
-  }
-
-  video_notify_ = Register(KSCATEGORY_VIDEO);
-  if (!video_notify_) {
-    Stop();
-    return false;
-  }
-
-  return true;
-}
-
-void Win32DeviceWatcher::Stop() {
-  UnregisterDeviceNotification(video_notify_);
-  video_notify_ = NULL;
-  UnregisterDeviceNotification(audio_notify_);
-  audio_notify_ = NULL;
-  Destroy();
-}
-
-HDEVNOTIFY Win32DeviceWatcher::Register(REFGUID guid) {
-  DEV_BROADCAST_DEVICEINTERFACE dbdi;
-  dbdi.dbcc_size = sizeof(dbdi);
-  dbdi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
-  dbdi.dbcc_classguid = guid;
-  dbdi.dbcc_name[0] = '\0';
-  return RegisterDeviceNotification(handle(), &dbdi,
-                                    DEVICE_NOTIFY_WINDOW_HANDLE);
-}
-
-void Win32DeviceWatcher::Unregister(HDEVNOTIFY handle) {
-  UnregisterDeviceNotification(handle);
-}
-
-bool Win32DeviceWatcher::OnMessage(UINT uMsg, WPARAM wParam, LPARAM lParam,
-                              LRESULT& result) {
-  if (uMsg == WM_DEVICECHANGE) {
-    if (wParam == DBT_DEVICEARRIVAL ||
-        wParam == DBT_DEVICEREMOVECOMPLETE) {
-      DEV_BROADCAST_DEVICEINTERFACE* dbdi =
-          reinterpret_cast<DEV_BROADCAST_DEVICEINTERFACE*>(lParam);
-      if (dbdi->dbcc_classguid == KSCATEGORY_AUDIO ||
-        dbdi->dbcc_classguid == KSCATEGORY_VIDEO) {
-        manager_->SignalDevicesChange();
-      }
-    }
-    result = 0;
-    return true;
-  }
-
-  return false;
-}
-
-};  // namespace cricket