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https://github.com/mollyim/webrtc.git
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3ff50fba59
This can be used to wrap Objective-C components in C++ classes, so users can use the WebRTC C++ API directly together with the iOS specific components provided by our SDK. Bug: webrtc:8832 Change-Id: I6d34f7ec62d51df8d3a5340a2e17d30ae73e13e8 Reviewed-on: https://webrtc-review.googlesource.com/46162 Commit-Queue: Anders Carlsson <andersc@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21850}
68 lines
2 KiB
Text
68 lines
2 KiB
Text
/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import "RTCI420Buffer+Private.h"
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#import "RTCVideoFrame+Private.h"
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#import "RTCVideoRendererAdapter+Private.h"
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#import "WebRTC/RTCVideoFrame.h"
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#import "WebRTC/RTCVideoFrameBuffer.h"
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#include <memory>
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namespace webrtc {
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class VideoRendererAdapter
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: public rtc::VideoSinkInterface<webrtc::VideoFrame> {
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public:
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VideoRendererAdapter(RTCVideoRendererAdapter* adapter) {
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adapter_ = adapter;
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size_ = CGSizeZero;
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}
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void OnFrame(const webrtc::VideoFrame& nativeVideoFrame) override {
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RTCVideoFrame* videoFrame = [[RTCVideoFrame alloc] initWithNativeVideoFrame:nativeVideoFrame];
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CGSize current_size = (videoFrame.rotation % 180 == 0)
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? CGSizeMake(videoFrame.width, videoFrame.height)
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: CGSizeMake(videoFrame.height, videoFrame.width);
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if (!CGSizeEqualToSize(size_, current_size)) {
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size_ = current_size;
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[adapter_.videoRenderer setSize:size_];
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}
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[adapter_.videoRenderer renderFrame:videoFrame];
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}
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private:
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__weak RTCVideoRendererAdapter *adapter_;
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CGSize size_;
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};
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}
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@implementation RTCVideoRendererAdapter {
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std::unique_ptr<webrtc::VideoRendererAdapter> _adapter;
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}
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@synthesize videoRenderer = _videoRenderer;
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- (instancetype)initWithNativeRenderer:(id<RTCVideoRenderer>)videoRenderer {
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NSParameterAssert(videoRenderer);
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if (self = [super init]) {
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_videoRenderer = videoRenderer;
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_adapter.reset(new webrtc::VideoRendererAdapter(self));
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}
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return self;
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}
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- (rtc::VideoSinkInterface<webrtc::VideoFrame> *)nativeVideoRenderer {
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return _adapter.get();
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}
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@end
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