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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 "RTCRtpEncodingParameters+Private.h"
#import "helpers/NSString+StdString.h"
@implementation RTC_OBJC_TYPE (RTCRtpEncodingParameters)
@synthesize rid = _rid;
@synthesize isActive = _isActive;
@synthesize maxBitrateBps = _maxBitrateBps;
@synthesize minBitrateBps = _minBitrateBps;
@synthesize maxFramerate = _maxFramerate;
@synthesize numTemporalLayers = _numTemporalLayers;
@synthesize scaleResolutionDownBy = _scaleResolutionDownBy;
@synthesize ssrc = _ssrc;
@synthesize bitratePriority = _bitratePriority;
@synthesize networkPriority = _networkPriority;
@synthesize adaptiveAudioPacketTime = _adaptiveAudioPacketTime;
- (instancetype)init {
webrtc::RtpEncodingParameters nativeParameters;
return [self initWithNativeParameters:nativeParameters];
}
- (instancetype)initWithNativeParameters:
(const webrtc::RtpEncodingParameters &)nativeParameters {
if (self = [super init]) {
if (!nativeParameters.rid.empty()) {
_rid = [NSString stringForStdString:nativeParameters.rid];
}
_isActive = nativeParameters.active;
if (nativeParameters.max_bitrate_bps) {
_maxBitrateBps =
[NSNumber numberWithInt:*nativeParameters.max_bitrate_bps];
}
if (nativeParameters.min_bitrate_bps) {
_minBitrateBps =
[NSNumber numberWithInt:*nativeParameters.min_bitrate_bps];
}
if (nativeParameters.max_framerate) {
_maxFramerate = [NSNumber numberWithInt:*nativeParameters.max_framerate];
}
if (nativeParameters.num_temporal_layers) {
_numTemporalLayers = [NSNumber numberWithInt:*nativeParameters.num_temporal_layers];
}
if (nativeParameters.scale_resolution_down_by) {
_scaleResolutionDownBy =
[NSNumber numberWithDouble:*nativeParameters.scale_resolution_down_by];
}
if (nativeParameters.ssrc) {
_ssrc = [NSNumber numberWithUnsignedLong:*nativeParameters.ssrc];
}
_bitratePriority = nativeParameters.bitrate_priority;
_networkPriority = [RTC_OBJC_TYPE(RTCRtpEncodingParameters)
priorityFromNativePriority:nativeParameters.network_priority];
_adaptiveAudioPacketTime = nativeParameters.adaptive_ptime;
}
return self;
}
- (webrtc::RtpEncodingParameters)nativeParameters {
webrtc::RtpEncodingParameters parameters;
if (_rid != nil) {
parameters.rid = [NSString stdStringForString:_rid];
}
parameters.active = _isActive;
if (_maxBitrateBps != nil) {
parameters.max_bitrate_bps = absl::optional<int>(_maxBitrateBps.intValue);
}
if (_minBitrateBps != nil) {
parameters.min_bitrate_bps = absl::optional<int>(_minBitrateBps.intValue);
}
if (_maxFramerate != nil) {
parameters.max_framerate = absl::optional<int>(_maxFramerate.intValue);
}
if (_numTemporalLayers != nil) {
parameters.num_temporal_layers = absl::optional<int>(_numTemporalLayers.intValue);
}
if (_scaleResolutionDownBy != nil) {
parameters.scale_resolution_down_by =
absl::optional<double>(_scaleResolutionDownBy.doubleValue);
}
if (_ssrc != nil) {
parameters.ssrc = absl::optional<uint32_t>(_ssrc.unsignedLongValue);
}
parameters.bitrate_priority = _bitratePriority;
parameters.network_priority =
[RTC_OBJC_TYPE(RTCRtpEncodingParameters) nativePriorityFromPriority:_networkPriority];
parameters.adaptive_ptime = _adaptiveAudioPacketTime;
return parameters;
}
+ (webrtc::Priority)nativePriorityFromPriority:(RTCPriority)networkPriority {
switch (networkPriority) {
case RTCPriorityVeryLow:
return webrtc::Priority::kVeryLow;
case RTCPriorityLow:
return webrtc::Priority::kLow;
case RTCPriorityMedium:
return webrtc::Priority::kMedium;
case RTCPriorityHigh:
return webrtc::Priority::kHigh;
}
}
+ (RTCPriority)priorityFromNativePriority:(webrtc::Priority)nativePriority {
switch (nativePriority) {
case webrtc::Priority::kVeryLow:
return RTCPriorityVeryLow;
case webrtc::Priority::kLow:
return RTCPriorityLow;
case webrtc::Priority::kMedium:
return RTCPriorityMedium;
case webrtc::Priority::kHigh:
return RTCPriorityHigh;
}
}
@end