blob: 19dd2452cd04f54af1bc6bc4db77873b5c43b8b2 [file] [log] [blame]
/*
* Copyright 2015 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 "RTCVideoFrame+Private.h"
#import "WebRTC/RTCVideoFrame.h"
#import "WebRTC/RTCVideoFrameBuffer.h"
#include "api/video/video_frame.h"
#include "rtc_base/timeutils.h"
id<RTCVideoFrameBuffer> nativeToRtcFrameBuffer(
const rtc::scoped_refptr<webrtc::VideoFrameBuffer> &buffer) {
return buffer->type() == webrtc::VideoFrameBuffer::Type::kNative ?
static_cast<webrtc::ObjCFrameBuffer *>(buffer.get())->wrapped_frame_buffer() :
[[RTCI420Buffer alloc] initWithFrameBuffer:buffer->ToI420()];
}
@implementation RTCVideoFrame {
RTCVideoRotation _rotation;
int64_t _timeStampNs;
}
@synthesize buffer = _buffer;
@synthesize timeStamp;
- (int)width {
return _buffer.width;
}
- (int)height {
return _buffer.height;
}
- (RTCVideoRotation)rotation {
return _rotation;
}
- (int64_t)timeStampNs {
return _timeStampNs;
}
- (RTCVideoFrame *)newI420VideoFrame {
return [[RTCVideoFrame alloc] initWithBuffer:[_buffer toI420]
rotation:_rotation
timeStampNs:_timeStampNs];
}
- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
rotation:(RTCVideoRotation)rotation
timeStampNs:(int64_t)timeStampNs {
return [self initWithBuffer:[[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBuffer]
rotation:rotation
timeStampNs:timeStampNs];
}
- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
scaledWidth:(int)scaledWidth
scaledHeight:(int)scaledHeight
cropWidth:(int)cropWidth
cropHeight:(int)cropHeight
cropX:(int)cropX
cropY:(int)cropY
rotation:(RTCVideoRotation)rotation
timeStampNs:(int64_t)timeStampNs {
RTCCVPixelBuffer *rtcPixelBuffer = [[RTCCVPixelBuffer alloc] initWithPixelBuffer:pixelBuffer
adaptedWidth:scaledWidth
adaptedHeight:scaledHeight
cropWidth:cropWidth
cropHeight:cropHeight
cropX:cropX
cropY:cropY];
return [self initWithBuffer:rtcPixelBuffer rotation:rotation timeStampNs:timeStampNs];
}
- (instancetype)initWithBuffer:(id<RTCVideoFrameBuffer>)buffer
rotation:(RTCVideoRotation)rotation
timeStampNs:(int64_t)timeStampNs {
if (self = [super init]) {
_buffer = buffer;
_rotation = rotation;
_timeStampNs = timeStampNs;
}
return self;
}
- (instancetype)initWithNativeVideoFrame:(const webrtc::VideoFrame &)frame {
if (self = [self initWithBuffer:nativeToRtcFrameBuffer(frame.video_frame_buffer())
rotation:RTCVideoRotation(frame.rotation())
timeStampNs:frame.timestamp_us() * rtc::kNumNanosecsPerMicrosec]) {
self.timeStamp = frame.timestamp();
}
return self;
}
- (webrtc::VideoFrame)nativeVideoFrame {
rtc::scoped_refptr<webrtc::VideoFrameBuffer> frameBuffer =
new rtc::RefCountedObject<webrtc::ObjCFrameBuffer>(self.buffer);
webrtc::VideoFrame videoFrame(frameBuffer,
(webrtc::VideoRotation)self.rotation,
self.timeStampNs / rtc::kNumNanosecsPerMicrosec);
videoFrame.set_timestamp(self.timeStamp);
return videoFrame;
}
@end