Move talk/media to webrtc/media

talk/media/devices/macdevicemanagermm.mm

-/*
- * libjingle
- * Copyright 2010 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.
- */
-
-// support GCC compiler
-#ifndef __has_feature
-#define __has_feature(x) 0
-#endif
-
-#include "talk/media/devices/devicemanager.h"
-
-#import <assert.h>
-#ifdef __MAC_OS_X_VERSION_MAX_ALLOWED
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
-  #import <AVFoundation/AVFoundation.h>
-#endif
-#endif
-#import <QTKit/QTKit.h>
-
-#include "webrtc/base/logging.h"
-
-@interface DeviceWatcherImpl : NSObject {
- @private
-  cricket::DeviceManagerInterface* manager_;
-}
-- (id)init:(cricket::DeviceManagerInterface*)manager;
-- (void)onDevicesChanged:(NSNotification*)notification;
-@end
-
-@implementation DeviceWatcherImpl
-- (id)init:(cricket::DeviceManagerInterface*)manager {
-  if ((self = [super init])) {
-    assert(manager != NULL);
-    manager_ = manager;
-    [[NSNotificationCenter defaultCenter]
-        addObserver:self
-           selector:@selector(onDevicesChanged:)
-               name:QTCaptureDeviceWasConnectedNotification
-             object:nil];
-    [[NSNotificationCenter defaultCenter]
-        addObserver:self
-           selector:@selector(onDevicesChanged:)
-               name:QTCaptureDeviceWasDisconnectedNotification
-             object:nil];
-  }
-  return self;
-}
-
-- (void)dealloc {
-  [[NSNotificationCenter defaultCenter] removeObserver:self];
-#if !__has_feature(objc_arc)
-  [super dealloc];
-#endif
-}
-- (void)onDevicesChanged:(NSNotification*)notification {
-  manager_->SignalDevicesChange();
-}
-@end
-
-namespace cricket {
-
-DeviceWatcherImpl* CreateDeviceWatcherCallback(
-    DeviceManagerInterface* manager) {
-  DeviceWatcherImpl* impl;
-#if !__has_feature(objc_arc)
-  NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
-#else
-  @autoreleasepool
-#endif
-  { impl = [[DeviceWatcherImpl alloc] init:manager]; }
-#if !__has_feature(objc_arc)
-  [pool drain];
-#endif
-  return impl;
-}
-
-void ReleaseDeviceWatcherCallback(DeviceWatcherImpl* watcher) {
-#if !__has_feature(objc_arc)
-  NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
-  [watcher release];
-  [pool drain];
-#endif
-}
-
-bool GetQTKitVideoDevices(std::vector<Device>* devices) {
-#if !__has_feature(objc_arc)
-  NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
-#else
-  @autoreleasepool
-#endif
-  {
-    NSArray* qt_capture_devices =
-        [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];
-    NSUInteger count = [qt_capture_devices count];
-    LOG(LS_INFO) << count << " capture device(s) found:";
-    for (QTCaptureDevice* qt_capture_device in qt_capture_devices) {
-      static NSString* const kFormat = @"localizedDisplayName: \"%@\", "
-          @"modelUniqueID: \"%@\", uniqueID \"%@\", isConnected: %d, "
-          @"isOpen: %d, isInUseByAnotherApplication: %d";
-      NSString* info = [NSString
-          stringWithFormat:kFormat,
-                           [qt_capture_device localizedDisplayName],
-                           [qt_capture_device modelUniqueID],
-                           [qt_capture_device uniqueID],
-                           [qt_capture_device isConnected],
-                           [qt_capture_device isOpen],
-                           [qt_capture_device isInUseByAnotherApplication]];
-      LOG(LS_INFO) << [info UTF8String];
-
-      std::string name([[qt_capture_device localizedDisplayName] UTF8String]);
-      devices->push_back(
-          Device(name, [[qt_capture_device uniqueID] UTF8String]));
-    }
-  }
-#if !__has_feature(objc_arc)
-  [pool drain];
-#endif
-  return true;
-}
-
-bool GetAVFoundationVideoDevices(std::vector<Device>* devices) {
-#ifdef __MAC_OS_X_VERSION_MAX_ALLOWED
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >=1070
-  if (![AVCaptureDevice class]) {
-    // Fallback to using QTKit if AVFoundation is not available
-    return GetQTKitVideoDevices(devices);
-  }
-#if !__has_feature(objc_arc)
-  NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
-#else
-  @autoreleasepool
-#endif
-  {
-    NSArray* capture_devices = [AVCaptureDevice devices];
-    LOG(LS_INFO) << [capture_devices count] << " capture device(s) found:";
-    for (AVCaptureDevice* capture_device in capture_devices) {
-      if ([capture_device hasMediaType:AVMediaTypeVideo] ||
-          [capture_device hasMediaType:AVMediaTypeMuxed]) {
-        static NSString* const kFormat = @"localizedName: \"%@\", "
-            @"modelID: \"%@\", uniqueID \"%@\", isConnected: %d, "
-            @"isInUseByAnotherApplication: %d";
-        NSString* info = [NSString
-            stringWithFormat:kFormat,
-                             [capture_device localizedName],
-                             [capture_device modelID],
-                             [capture_device uniqueID],
-                             [capture_device isConnected],
-                             [capture_device isInUseByAnotherApplication]];
-        LOG(LS_INFO) << [info UTF8String];
-
-        std::string name([[capture_device localizedName] UTF8String]);
-        devices->push_back(
-            Device(name, [[capture_device uniqueID] UTF8String]));
-      }
-    }
-  }
-#if !__has_feature(objc_arc)
-  [pool drain];
-#endif
-  return true;
-#else  // __MAC_OS_X_VERSION_MAX_ALLOWED >=1070
-  return GetQTKitVideoDevices(devices);
-#endif  // __MAC_OS_X_VERSION_MAX_ALLOWED >=1070
-#else  // __MAC_OS_X_VERSION_MAX_ALLOWED
-  return GetQTKitVideoDevices(devices);
-#endif  // __MAC_OS_X_VERSION_MAX_ALLOWED
-}
-
-}  // namespace cricket