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/*
* 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 "sdk/objc/api/video_frame_buffer/RTCNativeI420Buffer.h"
#import "sdk/objc/api/video_frame_buffer/RTCNativeMutableI420Buffer.h"
#import "sdk/objc/base/RTCI420Buffer.h"
#import "sdk/objc/base/RTCMutableI420Buffer.h"
#import "sdk/objc/base/RTCMutableYUVPlanarBuffer.h"
#import "sdk/objc/base/RTCVideoFrameBuffer.h"
#import "sdk/objc/base/RTCYUVPlanarBuffer.h"
#import "sdk/objc/components/video_frame_buffer/RTCCVPixelBuffer.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
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