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/*
* Copyright (c) 2021 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 <Foundation/Foundation.h>
#import "RTCMacros.h"
#import "RTCNativeVideoEncoder.h"
#import "RTCNativeVideoEncoderBuilder+Native.h"
#import "RTCVideoEncoderAV1.h"
#import "helpers/NSString+StdString.h"
#include "api/video_codecs/scalability_mode.h"
#include "modules/video_coding/codecs/av1/av1_svc_config.h"
#include "modules/video_coding/codecs/av1/libaom_av1_encoder.h"
@interface RTC_OBJC_TYPE (RTCVideoEncoderAV1Builder)
: RTC_OBJC_TYPE(RTCNativeVideoEncoder) <RTC_OBJC_TYPE (RTCNativeVideoEncoderBuilder)>
@end
@implementation RTC_OBJC_TYPE (RTCVideoEncoderAV1Builder)
- (std::unique_ptr<webrtc::VideoEncoder>)build:(const webrtc::Environment&)env {
return webrtc::CreateLibaomAv1Encoder(env);
}
@end
@implementation RTC_OBJC_TYPE (RTCVideoEncoderAV1)
+ (id<RTC_OBJC_TYPE(RTCVideoEncoder)>)av1Encoder {
return [[RTC_OBJC_TYPE(RTCVideoEncoderAV1Builder) alloc] init];
}
+ (NSArray<NSString*>*)supportedScalabilityModes {
// `LibaomAv1EncoderSupportedScalabilityModes` returns an std::vector-like container, but
// exact type might change, thus use `auto`.
auto modes = webrtc::LibaomAv1EncoderSupportedScalabilityModes();
NSMutableArray<NSString*>* result = [NSMutableArray arrayWithCapacity:std::size(modes)];
for (webrtc::ScalabilityMode mode : modes) {
[result addObject:[NSString stringForAbslStringView:webrtc::ScalabilityModeToString(mode)]];
}
return result;
}
+ (bool)isSupported {
return true;
}
@end