From 7b3ecfffc59d2d980d9f7628365b64c20fe015be Mon Sep 17 00:00:00 2001
From: Runt <qingingrunt2010@qq.com>
Date: Sun, 27 Jul 2025 09:42:03 +0000
Subject: [PATCH] 多个小窗缩放问题修复
---
LiveProject/controller/CameraCapture.swift | 44 +++++++++++++++++++++++++++++++++++++++++---
1 files changed, 41 insertions(+), 3 deletions(-)
diff --git a/LiveProject/controller/CameraCapture.swift b/LiveProject/controller/CameraCapture.swift
index 455b88a..66d0a0c 100644
--- a/LiveProject/controller/CameraCapture.swift
+++ b/LiveProject/controller/CameraCapture.swift
@@ -8,6 +8,8 @@
class CameraCapture: NSObject, AVCaptureVideoDataOutputSampleBufferDelegate {
private let session = AVCaptureSession()
+ private var videoOutput: AVCaptureVideoDataOutput?
+ private var input: AVCaptureDeviceInput?
var onFrame: ((CVPixelBuffer) -> Void)?
func start() {
@@ -17,31 +19,67 @@
return
}
+ self.input = input
+
session.beginConfiguration()
- session.sessionPreset = .high
+ session.sessionPreset = .hd1920x1080
if session.canAddInput(input) {
session.addInput(input)
}
-
+
let output = AVCaptureVideoDataOutput()
output.videoSettings = [
kCVPixelBufferPixelFormatTypeKey as String: kCVPixelFormatType_32BGRA
]
output.setSampleBufferDelegate(self, queue: DispatchQueue(label: "camera.queue"))
-
if session.canAddOutput(output) {
session.addOutput(output)
}
+ self.videoOutput = output
+ // 在相机配置代码中
+ if let videoConnection = output.connection(with: .video) {
+ // 自动旋转（推荐）
+ videoConnection.automaticallyAdjustsVideoMirroring = false
+ videoConnection.videoOrientation = .portrait // 或根据UI方向设置
+
+ // 对于前置摄像头启用镜像
+ /*if videoConnection.isVideoMirroringSupported {
+ videoConnection.isVideoMirrored = (cameraPosition == .front)
+ }*/
+ }
session.commitConfiguration()
session.startRunning()
+ print("📷 相机已开启")
}
func captureOutput(_ output: AVCaptureOutput,
didOutput sampleBuffer: CMSampleBuffer,
from connection: AVCaptureConnection) {
guard let buffer = CMSampleBufferGetImageBuffer(sampleBuffer) else { return }
+ let width = CVPixelBufferGetWidth(buffer)
+ let height = CVPixelBufferGetHeight(buffer)
+ //print("📷 当前帧尺寸: \(width)x\(height)")
onFrame?(buffer)
}
+
+ func stop(){
+ session.stopRunning()
+ session.beginConfiguration()
+
+ if let input = input {
+ session.removeInput(input)
+ }
+
+ if let output = videoOutput {
+ session.removeOutput(output)
+ }
+
+ session.commitConfiguration()
+
+ input = nil
+ videoOutput = nil
+ print("📷 相机已关闭")
+ }
}
--
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