Remove DeviceManager and DeviceInfo.

webrtc/media/devices/macdevicemanager.cc

-/*
- *  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/macdevicemanager.h"
-
-#include <memory>
-
-#include <CoreAudio/CoreAudio.h>
-#include <QuickTime/QuickTime.h>
-
-#include "webrtc/base/logging.h"
-#include "webrtc/base/stringutils.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/media/base/mediacommon.h"
-
-class DeviceWatcherImpl;
-
-namespace cricket {
-
-DeviceManagerInterface* DeviceManagerFactory::Create() {
-  return new MacDeviceManager();
-}
-
-class MacDeviceWatcher : public DeviceWatcher {
- public:
-  explicit MacDeviceWatcher(DeviceManagerInterface* dm);
-  virtual ~MacDeviceWatcher();
-  virtual bool Start();
-  virtual void Stop();
-
- private:
-  DeviceManagerInterface* manager_;
-  DeviceWatcherImpl* impl_;
-};
-
-static const char* kFilteredAudioDevicesName[] = {
-    NULL,
-};
-// TODO(tommyw): Try to get hold of a copy of Final Cut to understand why we
-//               crash while scanning their components on OS X.
-static const char* const kFilteredVideoDevicesName[] =  {
-    "DVCPRO HD",               // Final cut
-    "Sonix SN9C201p",          // Crashes in OpenAComponent and CloseComponent
-    NULL,
-};
-static const UInt32 kAudioDeviceNameLength = 64;
-// Obj-C functions defined in macdevicemanagermm.mm
-// TODO(ronghuawu): have a shared header for these function defines.
-extern DeviceWatcherImpl* CreateDeviceWatcherCallback(
-    DeviceManagerInterface* dm);
-extern void ReleaseDeviceWatcherCallback(DeviceWatcherImpl* impl);
-extern bool GetAVFoundationVideoDevices(std::vector<Device>* out);
-static bool GetAudioDeviceIDs(bool inputs, std::vector<AudioDeviceID>* out);
-static bool GetAudioDeviceName(AudioDeviceID id, bool input, std::string* out);
-
-MacDeviceManager::MacDeviceManager() {
-  set_watcher(new MacDeviceWatcher(this));
-}
-
-MacDeviceManager::~MacDeviceManager() {
-}
-
-bool MacDeviceManager::GetVideoCaptureDevices(std::vector<Device>* devices) {
-  devices->clear();
-  if (!GetAVFoundationVideoDevices(devices)) {
-    return false;
-  }
-  return FilterDevices(devices, kFilteredVideoDevicesName);
-}
-
-bool MacDeviceManager::GetAudioDevices(bool input,
-                                       std::vector<Device>* devs) {
-  devs->clear();
-  std::vector<AudioDeviceID> dev_ids;
-  bool ret = GetAudioDeviceIDs(input, &dev_ids);
-  if (!ret) {
-    return false;
-  }
-  for (size_t i = 0; i < dev_ids.size(); ++i) {
-    std::string name;
-    if (GetAudioDeviceName(dev_ids[i], input, &name)) {
-      devs->push_back(Device(name, dev_ids[i]));
-    }
-  }
-  return FilterDevices(devs, kFilteredAudioDevicesName);
-}
-
-static bool GetAudioDeviceIDs(bool input,
-                              std::vector<AudioDeviceID>* out_dev_ids) {
-  UInt32 propsize;
-  OSErr err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices,
-                                           &propsize, NULL);
-  if (0 != err) {
-    LOG(LS_ERROR) << "Couldn't get information about property, "
-                  << "so no device list acquired.";
-    return false;
-  }
-
-  size_t num_devices = propsize / sizeof(AudioDeviceID);
-  std::unique_ptr<AudioDeviceID[]> device_ids(
-      new AudioDeviceID[num_devices]);
-
-  err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices,
-                                 &propsize, device_ids.get());
-  if (0 != err) {
-    LOG(LS_ERROR) << "Failed to get device ids, "
-                  << "so no device listing acquired.";
-    return false;
-  }
-
-  for (size_t i = 0; i < num_devices; ++i) {
-    AudioDeviceID an_id = device_ids[i];
-    // find out the number of channels for this direction
-    // (input/output) on this device -
-    // we'll ignore anything with no channels.
-    err = AudioDeviceGetPropertyInfo(an_id, 0, input,
-                                     kAudioDevicePropertyStreams,
-                                     &propsize, NULL);
-    if (0 == err) {
-      unsigned num_channels = propsize / sizeof(AudioStreamID);
-      if (0 < num_channels) {
-        out_dev_ids->push_back(an_id);
-      }
-    } else {
-      LOG(LS_ERROR) << "No property info for stream property for device id "
-                    << an_id << "(is_input == " << input
-                    << "), so not including it in the list.";
-    }
-  }
-
-  return true;
-}
-
-static bool GetAudioDeviceName(AudioDeviceID id,
-                               bool input,
-                               std::string* out_name) {
-  UInt32 nameLength = kAudioDeviceNameLength;
-  char name[kAudioDeviceNameLength + 1];
-  OSErr err = AudioDeviceGetProperty(id, 0, input,
-                                     kAudioDevicePropertyDeviceName,
-                                     &nameLength, name);
-  if (0 != err) {
-    LOG(LS_ERROR) << "No name acquired for device id " << id;
-    return false;
-  }
-
-  *out_name = name;
-  return true;
-}
-
-MacDeviceWatcher::MacDeviceWatcher(DeviceManagerInterface* manager)
-    : DeviceWatcher(manager),
-      manager_(manager),
-      impl_(NULL) {
-}
-
-MacDeviceWatcher::~MacDeviceWatcher() {
-}
-
-bool MacDeviceWatcher::Start() {
-  if (!impl_) {
-    impl_ = CreateDeviceWatcherCallback(manager_);
-  }
-  return impl_ != NULL;
-}
-
-void MacDeviceWatcher::Stop() {
-  if (impl_) {
-    ReleaseDeviceWatcherCallback(impl_);
-    impl_ = NULL;
-  }
-}
-
-};  // namespace cricket