blob: 9d93ea1e6c566d5b53bcf35320255ace97a90f1c [file] [log] [blame]
/*
* Copyright 2018 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 "ARDExternalSampleCapturer.h"
#import <WebRTC/RTCCVPixelBuffer.h>
#import <WebRTC/RTCVideoFrameBuffer.h>
@implementation ARDExternalSampleCapturer
- (instancetype)initWithDelegate:(__weak id<RTCVideoCapturerDelegate>)delegate {
return [super initWithDelegate:delegate];
}
#pragma mark - ARDExternalSampleDelegate
- (void)didCaptureSampleBuffer:(CMSampleBufferRef)sampleBuffer {
if (CMSampleBufferGetNumSamples(sampleBuffer) != 1 || !CMSampleBufferIsValid(sampleBuffer) ||
!CMSampleBufferDataIsReady(sampleBuffer)) {
return;
}
CVPixelBufferRef pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
if (pixelBuffer == nil) {
return;
}
RTCCVPixelBuffer *rtcPixelBuffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBuffer];
int64_t timeStampNs =
CMTimeGetSeconds(CMSampleBufferGetPresentationTimeStamp(sampleBuffer)) * NSEC_PER_SEC;
RTCVideoFrame *videoFrame = [[RTCVideoFrame alloc] initWithBuffer:rtcPixelBuffer
rotation:RTCVideoRotation_0
timeStampNs:timeStampNs];
[self.delegate capturer:self didCaptureVideoFrame:videoFrame];
}
@end