Move talk/media to webrtc/media

talk/media/devices/devicemanager.cc

Index: talk/media/devices/devicemanager.cc
diff --git a/talk/media/devices/devicemanager.cc b/talk/media/devices/devicemanager.cc
deleted file mode 100644
index eca14a5def28d918e1447ccc95f51c765cd30fb3..0000000000000000000000000000000000000000
--- a/talk/media/devices/devicemanager.cc
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * libjingle
- * Copyright 2004 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "talk/media/devices/devicemanager.h"
-
-#include "talk/media/base/mediacommon.h"
-#include "talk/media/base/videocapturerfactory.h"
-#include "talk/media/devices/deviceinfo.h"
-#include "talk/media/devices/filevideocapturer.h"
-#include "talk/media/devices/yuvframescapturer.h"
-#include "webrtc/base/fileutils.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/base/pathutils.h"
-#include "webrtc/base/stringutils.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/windowpicker.h"
-#include "webrtc/base/windowpickerfactory.h"
-
-#ifdef HAVE_WEBRTC_VIDEO
-#include "talk/media/webrtc/webrtcvideocapturerfactory.h"
-#endif  // HAVE_WEBRTC_VIDEO
-
-namespace {
-
-bool StringMatchWithWildcard(
-    const std::pair<const std::basic_string<char>, cricket::VideoFormat> key,
-    const std::string& val) {
-  return rtc::string_match(val.c_str(), key.first.c_str());
-}
-
-}  // namespace
-
-namespace cricket {
-
-// Initialize to empty string.
-const char DeviceManagerInterface::kDefaultDeviceName[] = "";
-
-DeviceManager::DeviceManager()
-    : initialized_(false),
-      window_picker_(rtc::WindowPickerFactory::CreateWindowPicker()) {
-#ifdef HAVE_WEBRTC_VIDEO
-  SetVideoDeviceCapturerFactory(new WebRtcVideoDeviceCapturerFactory());
-#endif  // HAVE_WEBRTC_VIDEO
-}
-
-DeviceManager::~DeviceManager() {
-  if (initialized()) {
-    Terminate();
-  }
-}
-
-bool DeviceManager::Init() {
-  if (!initialized()) {
-    if (!watcher()->Start()) {
-      return false;
-    }
-    set_initialized(true);
-  }
-  return true;
-}
-
-void DeviceManager::Terminate() {
-  if (initialized()) {
-    watcher()->Stop();
-    set_initialized(false);
-  }
-}
-
-int DeviceManager::GetCapabilities() {
-  std::vector<Device> devices;
-  int caps = VIDEO_RECV;
-  if (GetAudioInputDevices(&devices) && !devices.empty()) {
-    caps |= AUDIO_SEND;
-  }
-  if (GetAudioOutputDevices(&devices) && !devices.empty()) {
-    caps |= AUDIO_RECV;
-  }
-  if (GetVideoCaptureDevices(&devices) && !devices.empty()) {
-    caps |= VIDEO_SEND;
-  }
-  return caps;
-}
-
-bool DeviceManager::GetAudioInputDevices(std::vector<Device>* devices) {
-  return GetAudioDevices(true, devices);
-}
-
-bool DeviceManager::GetAudioOutputDevices(std::vector<Device>* devices) {
-  return GetAudioDevices(false, devices);
-}
-
-bool DeviceManager::GetAudioInputDevice(const std::string& name, Device* out) {
-  return GetAudioDevice(true, name, out);
-}
-
-bool DeviceManager::GetAudioOutputDevice(const std::string& name, Device* out) {
-  return GetAudioDevice(false, name, out);
-}
-
-bool DeviceManager::GetVideoCaptureDevices(std::vector<Device>* devices) {
-  devices->clear();
-#if defined(ANDROID) || defined(WEBRTC_IOS)
-  // On Android and iOS, we treat the camera(s) as a single device. Even if
-  // there are multiple cameras, that's abstracted away at a higher level.
-  Device dev("camera", "1");    // name and ID
-  devices->push_back(dev);
-  return true;
-#else
-  return false;
-#endif
-}
-
-bool DeviceManager::GetVideoCaptureDevice(const std::string& name,
-                                          Device* out) {
-  // If the name is empty, return the default device.
-  if (name.empty() || name == kDefaultDeviceName) {
-    return GetDefaultVideoCaptureDevice(out);
-  }
-
-  std::vector<Device> devices;
-  if (!GetVideoCaptureDevices(&devices)) {
-    return false;
-  }
-
-  for (std::vector<Device>::const_iterator it = devices.begin();
-      it != devices.end(); ++it) {
-    if (name == it->name) {
-      *out = *it;
-      return true;
-    }
-  }
-
-  // If |name| is a valid name for a file or yuvframedevice,
-  // return a fake video capturer device.
-  if (GetFakeVideoCaptureDevice(name, out)) {
-    return true;
-  }
-
-  return false;
-}
-
-bool DeviceManager::GetFakeVideoCaptureDevice(const std::string& name,
-                                              Device* out) const {
-  if (rtc::Filesystem::IsFile(name)) {
-    *out = FileVideoCapturer::CreateFileVideoCapturerDevice(name);
-    return true;
-  }
-
-  if (name == YuvFramesCapturer::kYuvFrameDeviceName) {
-    *out = YuvFramesCapturer::CreateYuvFramesCapturerDevice();
-    return true;
-  }
-
-  return false;
-}
-
-void DeviceManager::SetVideoCaptureDeviceMaxFormat(
-    const std::string& usb_id,
-    const VideoFormat& max_format) {
-  max_formats_[usb_id] = max_format;
-}
-
-void DeviceManager::ClearVideoCaptureDeviceMaxFormat(
-    const std::string& usb_id) {
-  max_formats_.erase(usb_id);
-}
-
-VideoCapturer* DeviceManager::CreateVideoCapturer(const Device& device) const {
-  VideoCapturer* capturer = MaybeConstructFakeVideoCapturer(device);
-  if (capturer) {
-    return capturer;
-  }
-
-  if (!video_device_capturer_factory_) {
-    LOG(LS_ERROR) << "No video capturer factory for devices.";
-    return NULL;
-  }
-  capturer = video_device_capturer_factory_->Create(device);
-  if (!capturer) {
-    return NULL;
-  }
-  LOG(LS_INFO) << "Created VideoCapturer for " << device.name;
-  VideoFormat video_format;
-  bool has_max = GetMaxFormat(device, &video_format);
-  capturer->set_enable_camera_list(has_max);
-  if (has_max) {
-    capturer->ConstrainSupportedFormats(video_format);
-  }
-  return capturer;
-}
-
-VideoCapturer* DeviceManager::MaybeConstructFakeVideoCapturer(
-    const Device& device) const {
-  // TODO(hellner): Throw out the creation of a file video capturer once the
-  // refactoring is completed.
-  if (FileVideoCapturer::IsFileVideoCapturerDevice(device)) {
-    FileVideoCapturer* capturer = new FileVideoCapturer;
-    if (!capturer->Init(device)) {
-      delete capturer;
-      return NULL;
-    }
-    LOG(LS_INFO) << "Created file video capturer " << device.name;
-    capturer->set_repeat(FileVideoCapturer::kForever);
-    return capturer;
-  }
-
-  if (YuvFramesCapturer::IsYuvFramesCapturerDevice(device)) {
-    YuvFramesCapturer* capturer = new YuvFramesCapturer();
-    capturer->Init();
-    return capturer;
-  }
-  return NULL;
-}
-
-bool DeviceManager::GetWindows(
-    std::vector<rtc::WindowDescription>* descriptions) {
-  if (!window_picker_) {
-    return false;
-  }
-  return window_picker_->GetWindowList(descriptions);
-}
-
-bool DeviceManager::GetDesktops(
-    std::vector<rtc::DesktopDescription>* descriptions) {
-  if (!window_picker_) {
-    return false;
-  }
-  return window_picker_->GetDesktopList(descriptions);
-}
-
-VideoCapturer* DeviceManager::CreateScreenCapturer(
-    const ScreencastId& screenid) const {
-  if (!screen_capturer_factory_) {
-    LOG(LS_ERROR) << "No video capturer factory for screens.";
-    return NULL;
-  }
-  return screen_capturer_factory_->Create(screenid);
-}
-
-bool DeviceManager::GetAudioDevices(bool input,
-                                    std::vector<Device>* devs) {
-  devs->clear();
-#if defined(ANDROID)
-  // Under Android, 0 is always required for the playout device and 0 is the
-  // default for the recording device.
-  devs->push_back(Device("default-device", 0));
-  return true;
-#else
-  // Other platforms either have their own derived class implementation
-  // (desktop) or don't use device manager for audio devices (iOS).
-  return false;
-#endif
-}
-
-bool DeviceManager::GetAudioDevice(bool is_input, const std::string& name,
-                                   Device* out) {
-  // If the name is empty, return the default device id.
-  if (name.empty() || name == kDefaultDeviceName) {
-    *out = Device(name, -1);
-    return true;
-  }
-
-  std::vector<Device> devices;
-  bool ret = is_input ? GetAudioInputDevices(&devices) :
-                        GetAudioOutputDevices(&devices);
-  if (ret) {
-    ret = false;
-    for (size_t i = 0; i < devices.size(); ++i) {
-      if (devices[i].name == name) {
-        *out = devices[i];
-        ret = true;
-        break;
-      }
-    }
-  }
-  return ret;
-}
-
-bool DeviceManager::GetDefaultVideoCaptureDevice(Device* device) {
-  bool ret = false;
-  // We just return the first device.
-  std::vector<Device> devices;
-  ret = (GetVideoCaptureDevices(&devices) && !devices.empty());
-  if (ret) {
-    *device = devices[0];
-  }
-  return ret;
-}
-
-bool DeviceManager::IsInWhitelist(const std::string& key,
-                                  VideoFormat* video_format) const {
-  std::map<std::string, VideoFormat>::const_iterator found =
-      std::search_n(max_formats_.begin(), max_formats_.end(), 1, key,
-                    StringMatchWithWildcard);
-  if (found == max_formats_.end()) {
-    return false;
-  }
-  *video_format = found->second;
-  return true;
-}
-
-bool DeviceManager::GetMaxFormat(const Device& device,
-                                 VideoFormat* video_format) const {
-  // Match USB ID if available. Failing that, match device name.
-  std::string usb_id;
-  if (GetUsbId(device, &usb_id) && IsInWhitelist(usb_id, video_format)) {
-      return true;
-  }
-  return IsInWhitelist(device.name, video_format);
-}
-
-bool DeviceManager::ShouldDeviceBeIgnored(const std::string& device_name,
-    const char* const exclusion_list[]) {
-  // If exclusion_list is empty return directly.
-  if (!exclusion_list)
-    return false;
-
-  int i = 0;
-  while (exclusion_list[i]) {
-    if (strnicmp(device_name.c_str(), exclusion_list[i],
-        strlen(exclusion_list[i])) == 0) {
-      LOG(LS_INFO) << "Ignoring device " << device_name;
-      return true;
-    }
-    ++i;
-  }
-  return false;
-}
-
-bool DeviceManager::FilterDevices(std::vector<Device>* devices,
-    const char* const exclusion_list[]) {
-  if (!devices) {
-    return false;
-  }
-
-  for (std::vector<Device>::iterator it = devices->begin();
-       it != devices->end(); ) {
-    if (ShouldDeviceBeIgnored(it->name, exclusion_list)) {
-      it = devices->erase(it);
-    } else {
-      ++it;
-    }
-  }
-  return true;
-}
-
-}  // namespace cricket