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Original credit: https://github.com/shiguredo-webrtc-build/webrtc-build/blob/master/patches/ios_simulcast.patch Co-authored-by: David Zhao <david@davidzhao.com>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| #import "RTCMacros.h" | ||
| #import "RTCVideoEncoder.h" | ||
| #import "RTCVideoEncoderFactory.h" | ||
| #import "RTCVideoCodecInfo.h" | ||
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| RTC_OBJC_EXPORT | ||
| @interface RTC_OBJC_TYPE (RTCVideoEncoderSimulcast) : NSObject | ||
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| + (id<RTC_OBJC_TYPE(RTCVideoEncoder)>)simulcastEncoderWithPrimary:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)primary | ||
| fallback:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)fallback | ||
| videoCodecInfo:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)videoCodecInfo; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #import <Foundation/Foundation.h> | ||
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| #import "RTCMacros.h" | ||
| #import "RTCVideoEncoderSimulcast.h" | ||
| #import "RTCWrappedNativeVideoEncoder.h" | ||
| #import "api/peerconnection/RTCVideoCodecInfo+Private.h" | ||
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| #include "native/api/video_encoder_factory.h" | ||
| #include "media/engine/simulcast_encoder_adapter.h" | ||
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| @implementation RTC_OBJC_TYPE (RTCVideoEncoderSimulcast) | ||
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| + (id<RTC_OBJC_TYPE(RTCVideoEncoder)>)simulcastEncoderWithPrimary:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)primary | ||
| fallback:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)fallback | ||
| videoCodecInfo:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)videoCodecInfo { | ||
| auto nativePrimary = webrtc::ObjCToNativeVideoEncoderFactory(primary); | ||
| auto nativeFallback = webrtc::ObjCToNativeVideoEncoderFactory(fallback); | ||
| auto nativeFormat = [videoCodecInfo nativeSdpVideoFormat]; | ||
| return [[RTC_OBJC_TYPE(RTCWrappedNativeVideoEncoder) alloc] | ||
| initWithNativeEncoder: std::make_unique<webrtc::SimulcastEncoderAdapter>( | ||
| nativePrimary.release(), | ||
| nativeFallback.release(), | ||
| std::move(nativeFormat))]; | ||
| } | ||
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| @end |
16 changes: 16 additions & 0 deletions
16
sdk/objc/components/video_codec/RTCVideoEncoderFactorySimulcast.h
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| Original file line number | Diff line number | Diff line change |
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| #import <Foundation/Foundation.h> | ||
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| #import "RTCMacros.h" | ||
| #import "RTCVideoEncoderFactory.h" | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| RTC_OBJC_EXPORT | ||
| @interface RTC_OBJC_TYPE (RTCVideoEncoderFactorySimulcast) : NSObject <RTC_OBJC_TYPE(RTCVideoEncoderFactory)> | ||
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| - (instancetype)initWithPrimary:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)primary | ||
| fallback:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)fallback; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
39 changes: 39 additions & 0 deletions
39
sdk/objc/components/video_codec/RTCVideoEncoderFactorySimulcast.mm
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| #import <Foundation/Foundation.h> | ||
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| #import "RTCMacros.h" | ||
| #import "RTCVideoCodecInfo.h" | ||
| #import "RTCVideoEncoderFactorySimulcast.h" | ||
| #import "api/video_codec/RTCVideoEncoderSimulcast.h" | ||
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| @interface RTC_OBJC_TYPE (RTCVideoEncoderFactorySimulcast) () | ||
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| @property id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)> primary; | ||
| @property id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)> fallback; | ||
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| @end | ||
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| @implementation RTC_OBJC_TYPE (RTCVideoEncoderFactorySimulcast) | ||
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| @synthesize primary = _primary; | ||
| @synthesize fallback = _fallback; | ||
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| - (instancetype)initWithPrimary:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)primary | ||
| fallback:(id<RTC_OBJC_TYPE(RTCVideoEncoderFactory)>)fallback { | ||
| if (self = [super init]) { | ||
| _primary = primary; | ||
| _fallback = fallback; | ||
| } | ||
| return self; | ||
| } | ||
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| - (nullable id<RTC_OBJC_TYPE(RTCVideoEncoder)>)createEncoder: (RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { | ||
| return [RTCVideoEncoderSimulcast simulcastEncoderWithPrimary: _primary fallback: _fallback videoCodecInfo: info]; | ||
| } | ||
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| - (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { | ||
| return [[_primary supportedCodecs] arrayByAddingObjectsFromArray: [_fallback supportedCodecs]]; | ||
| } | ||
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| @end |