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/*
* Copyright 2016 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.
*/
#import "ARDSettingsModel+Private.h"
#import "ARDSettingsStore.h"
#import "sdk/objc/api/peerconnection/RTCMediaConstraints.h"
#import "sdk/objc/components/capturer/RTCCameraVideoCapturer.h"
#import "sdk/objc/components/video_codec/RTCDefaultVideoEncoderFactory.h"
NS_ASSUME_NONNULL_BEGIN
@interface ARDSettingsModel () {
ARDSettingsStore *_settingsStore;
}
@end
@implementation ARDSettingsModel
- (NSArray<NSString *> *)availableVideoResolutions {
NSMutableSet<NSArray<NSNumber *> *> *resolutions =
[[NSMutableSet<NSArray<NSNumber *> *> alloc] init];
for (AVCaptureDevice *device in [RTC_OBJC_TYPE(RTCCameraVideoCapturer) captureDevices]) {
for (AVCaptureDeviceFormat *format in
[RTC_OBJC_TYPE(RTCCameraVideoCapturer) supportedFormatsForDevice:device]) {
CMVideoDimensions resolution =
CMVideoFormatDescriptionGetDimensions(format.formatDescription);
NSArray<NSNumber *> *resolutionObject = @[ @(resolution.width), @(resolution.height) ];
[resolutions addObject:resolutionObject];
}
}
NSArray<NSArray<NSNumber *> *> *sortedResolutions =
[[resolutions allObjects] sortedArrayUsingComparator:^NSComparisonResult(
NSArray<NSNumber *> *obj1, NSArray<NSNumber *> *obj2) {
NSComparisonResult cmp = [obj1.firstObject compare:obj2.firstObject];
if (cmp != NSOrderedSame) {
return cmp;
}
return [obj1.lastObject compare:obj2.lastObject];
}];
NSMutableArray<NSString *> *resolutionStrings = [[NSMutableArray<NSString *> alloc] init];
for (NSArray<NSNumber *> *resolution in sortedResolutions) {
NSString *resolutionString =
[NSString stringWithFormat:@"%@x%@", resolution.firstObject, resolution.lastObject];
[resolutionStrings addObject:resolutionString];
}
return [resolutionStrings copy];
}
- (NSString *)currentVideoResolutionSettingFromStore {
[self registerStoreDefaults];
return [[self settingsStore] videoResolution];
}
- (BOOL)storeVideoResolutionSetting:(NSString *)resolution {
if (![[self availableVideoResolutions] containsObject:resolution]) {
return NO;
}
[[self settingsStore] setVideoResolution:resolution];
return YES;
}
- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)availableVideoCodecs {
return [RTC_OBJC_TYPE(RTCDefaultVideoEncoderFactory) supportedCodecs];
}
- (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)currentVideoCodecSettingFromStore {
[self registerStoreDefaults];
NSData *codecData = [[self settingsStore] videoCodec];
#if defined(WEBRTC_IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_13
Class expectedClass = [RTC_OBJC_TYPE(RTCVideoCodecInfo) class];
NSError *error;
RTC_OBJC_TYPE(RTCVideoCodecInfo) *videoCodecSetting =
[NSKeyedUnarchiver unarchivedObjectOfClass:expectedClass fromData:codecData error:&error];
if (!error) {
return videoCodecSetting;
}
return nil;
#else
return [NSKeyedUnarchiver unarchiveObjectWithData:codecData];
#endif
}
- (BOOL)storeVideoCodecSetting:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)videoCodec {
if (![[self availableVideoCodecs] containsObject:videoCodec]) {
return NO;
}
#if defined(WEBRTC_IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_13
NSError *error;
NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:videoCodec
requiringSecureCoding:NO
error:&error];
if (error) {
return NO;
}
#else
NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:videoCodec];
#endif
[[self settingsStore] setVideoCodec:codecData];
return YES;
}
- (nullable NSNumber *)currentMaxBitrateSettingFromStore {
[self registerStoreDefaults];
return [[self settingsStore] maxBitrate];
}
- (void)storeMaxBitrateSetting:(nullable NSNumber *)bitrate {
[[self settingsStore] setMaxBitrate:bitrate];
}
- (BOOL)currentAudioOnlySettingFromStore {
return [[self settingsStore] audioOnly];
}
- (void)storeAudioOnlySetting:(BOOL)audioOnly {
[[self settingsStore] setAudioOnly:audioOnly];
}
- (BOOL)currentCreateAecDumpSettingFromStore {
return [[self settingsStore] createAecDump];
}
- (void)storeCreateAecDumpSetting:(BOOL)createAecDump {
[[self settingsStore] setCreateAecDump:createAecDump];
}
- (BOOL)currentUseManualAudioConfigSettingFromStore {
return [[self settingsStore] useManualAudioConfig];
}
- (void)storeUseManualAudioConfigSetting:(BOOL)useManualAudioConfig {
[[self settingsStore] setUseManualAudioConfig:useManualAudioConfig];
}
#pragma mark - Testable
- (ARDSettingsStore *)settingsStore {
if (!_settingsStore) {
_settingsStore = [[ARDSettingsStore alloc] init];
[self registerStoreDefaults];
}
return _settingsStore;
}
- (int)currentVideoResolutionWidthFromStore {
NSString *resolution = [self currentVideoResolutionSettingFromStore];
return [self videoResolutionComponentAtIndex:0 inString:resolution];
}
- (int)currentVideoResolutionHeightFromStore {
NSString *resolution = [self currentVideoResolutionSettingFromStore];
return [self videoResolutionComponentAtIndex:1 inString:resolution];
}
#pragma mark -
- (NSString *)defaultVideoResolutionSetting {
return [self availableVideoResolutions].firstObject;
}
- (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)defaultVideoCodecSetting {
return [self availableVideoCodecs].firstObject;
}
- (int)videoResolutionComponentAtIndex:(int)index inString:(NSString *)resolution {
if (index != 0 && index != 1) {
return 0;
}
NSArray<NSString *> *components = [resolution componentsSeparatedByString:@"x"];
if (components.count != 2) {
return 0;
}
return components[index].intValue;
}
- (void)registerStoreDefaults {
#if defined(WEBRTC_IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_13
NSError *error;
NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:[self defaultVideoCodecSetting]
requiringSecureCoding:NO
error:&error];
if (error) {
return;
}
#else
NSData *codecData = [NSKeyedArchiver archivedDataWithRootObject:[self defaultVideoCodecSetting]];
#endif
[ARDSettingsStore setDefaultsForVideoResolution:[self defaultVideoResolutionSetting]
videoCodec:codecData
bitrate:nil
audioOnly:NO
createAecDump:NO
useManualAudioConfig:YES];
}
@end
NS_ASSUME_NONNULL_END
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