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47 lines
1.7 KiB
47 lines
1.7 KiB
4 months ago
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/*
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* Copyright 2018 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 "ARDExternalSampleCapturer.h"
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#import <WebRTC/RTCCVPixelBuffer.h>
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#import <WebRTC/RTCVideoFrameBuffer.h>
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@implementation ARDExternalSampleCapturer
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- (instancetype)initWithDelegate:(__weak id<RTC_OBJC_TYPE(RTCVideoCapturerDelegate)>)delegate {
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return [super initWithDelegate:delegate];
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}
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#pragma mark - ARDExternalSampleDelegate
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- (void)didCaptureSampleBuffer:(CMSampleBufferRef)sampleBuffer {
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if (CMSampleBufferGetNumSamples(sampleBuffer) != 1 || !CMSampleBufferIsValid(sampleBuffer) ||
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!CMSampleBufferDataIsReady(sampleBuffer)) {
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return;
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}
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CVPixelBufferRef pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
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if (pixelBuffer == nil) {
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return;
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}
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RTC_OBJC_TYPE(RTCCVPixelBuffer) *rtcPixelBuffer =
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[[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBuffer];
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int64_t timeStampNs =
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CMTimeGetSeconds(CMSampleBufferGetPresentationTimeStamp(sampleBuffer)) * NSEC_PER_SEC;
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RTC_OBJC_TYPE(RTCVideoFrame) *videoFrame =
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[[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:rtcPixelBuffer
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rotation:RTCVideoRotation_0
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timeStampNs:timeStampNs];
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[self.delegate capturer:self didCaptureVideoFrame:videoFrame];
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}
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@end
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