blob: d46fa5c3464da5b5f15d6ce0fa4af76b9e8bf3c4 [file] [log] [blame]
/*
* Copyright (c) 2013 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.
*/
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
#import <AVFoundation/AVFoundation.h>
#import "webrtc/modules/video_capture/objc/device_info_objc.h"
#include "webrtc/modules/video_capture/video_capture_config.h"
@implementation DeviceInfoIosObjC
+ (int)captureDeviceCount {
return [[AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo] count];
}
+ (AVCaptureDevice*)captureDeviceForIndex:(int)index {
return [[AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo]
objectAtIndex:index];
}
+ (AVCaptureDevice*)captureDeviceForUniqueId:(NSString*)uniqueId {
for (AVCaptureDevice* device in
[AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo]) {
if ([uniqueId isEqual:device.uniqueID]) {
return device;
}
}
return nil;
}
+ (NSString*)deviceNameForIndex:(int)index {
return [DeviceInfoIosObjC captureDeviceForIndex:index].localizedName;
}
+ (NSString*)deviceUniqueIdForIndex:(int)index {
return [DeviceInfoIosObjC captureDeviceForIndex:index].uniqueID;
}
+ (NSString*)deviceNameForUniqueId:(NSString*)uniqueId {
return [[AVCaptureDevice deviceWithUniqueID:uniqueId] localizedName];
}
+ (webrtc::VideoCaptureCapability)capabilityForPreset:(NSString*)preset {
webrtc::VideoCaptureCapability capability;
// TODO(tkchin): Maybe query AVCaptureDevice for supported formats, and
// then get the dimensions / frame rate from each supported format
if ([preset isEqualToString:AVCaptureSessionPreset352x288]) {
capability.width = 352;
capability.height = 288;
capability.maxFPS = 30;
capability.expectedCaptureDelay =
webrtc::videocapturemodule::kDefaultCaptureDelay;
capability.rawType = webrtc::kVideoNV12;
capability.codecType = webrtc::kVideoCodecUnknown;
capability.interlaced = false;
} else if ([preset isEqualToString:AVCaptureSessionPreset640x480]) {
capability.width = 640;
capability.height = 480;
capability.maxFPS = 30;
capability.expectedCaptureDelay =
webrtc::videocapturemodule::kDefaultCaptureDelay;
capability.rawType = webrtc::kVideoNV12;
capability.codecType = webrtc::kVideoCodecUnknown;
capability.interlaced = false;
} else if ([preset isEqualToString:AVCaptureSessionPreset1280x720]) {
capability.width = 1280;
capability.height = 720;
capability.maxFPS = 30;
capability.expectedCaptureDelay =
webrtc::videocapturemodule::kDefaultCaptureDelay;
capability.rawType = webrtc::kVideoNV12;
capability.codecType = webrtc::kVideoCodecUnknown;
capability.interlaced = false;
}
return capability;
}
@end