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/*
* 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
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