webrtc_m130/webrtc/sdk/objc/Framework/Classes/RTCAVFoundationVideoSource.mm
kthelgason 2bc324cc5a Add method on AVFoundation capturer to adapt output format.
This CL makes a method available on the AVFoundationVideoCapturer
that adapts the output format of captured video to the specified
width and height.

BUG=webrtc:6753

Review-Url: https://codereview.webrtc.org/2528493004
Cr-Commit-Position: refs/heads/master@{#15351}
2016-12-01 09:36:22 +00:00

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/*
* 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 "RTCAVFoundationVideoSource+Private.h"
#import "RTCMediaConstraints+Private.h"
#import "RTCPeerConnectionFactory+Private.h"
#import "RTCVideoSource+Private.h"
@implementation RTCAVFoundationVideoSource {
webrtc::AVFoundationVideoCapturer *_capturer;
}
- (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory
constraints:(RTCMediaConstraints *)constraints {
NSParameterAssert(factory);
// We pass ownership of the capturer to the source, but since we own
// the source, it should be ok to keep a raw pointer to the
// capturer.
_capturer = new webrtc::AVFoundationVideoCapturer();
rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source =
factory.nativeFactory->CreateVideoSource(
_capturer, constraints.nativeConstraints.get());
return [super initWithNativeVideoSource:source];
}
- (void)adaptOutputFormatToWidth:(int)width
height:(int)height
fps:(int)fps {
self.capturer->AdaptOutputFormat(width, height, fps);
}
- (BOOL)canUseBackCamera {
return self.capturer->CanUseBackCamera();
}
- (BOOL)useBackCamera {
return self.capturer->GetUseBackCamera();
}
- (void)setUseBackCamera:(BOOL)useBackCamera {
self.capturer->SetUseBackCamera(useBackCamera);
}
- (AVCaptureSession *)captureSession {
return self.capturer->GetCaptureSession();
}
- (webrtc::AVFoundationVideoCapturer *)capturer {
return _capturer;
}
@end