You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.7 KiB
47 lines
1.7 KiB
/*
|
|
* 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<RTC_OBJC_TYPE(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;
|
|
}
|
|
|
|
RTC_OBJC_TYPE(RTCCVPixelBuffer) *rtcPixelBuffer =
|
|
[[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc] initWithPixelBuffer:pixelBuffer];
|
|
int64_t timeStampNs =
|
|
CMTimeGetSeconds(CMSampleBufferGetPresentationTimeStamp(sampleBuffer)) * NSEC_PER_SEC;
|
|
RTC_OBJC_TYPE(RTCVideoFrame) *videoFrame =
|
|
[[RTC_OBJC_TYPE(RTCVideoFrame) alloc] initWithBuffer:rtcPixelBuffer
|
|
rotation:RTCVideoRotation_0
|
|
timeStampNs:timeStampNs];
|
|
[self.delegate capturer:self didCaptureVideoFrame:videoFrame];
|
|
}
|
|
|
|
@end
|