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Potential fix for multi-camera on Windows

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This commit is contained in:
Banks Troutman
2019-09-24 10:35:14 -04:00
parent 0d9b987b19
commit 8dbf5b3a73
2 changed files with 55 additions and 4 deletions
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20
Main/src/main/java/com/chameleonvision/vision/camera/Camera.java
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@@ -1,5 +1,6 @@
package com.chameleonvision.vision.camera;
import com.chameleonvision.settings.SettingsManager;
import com.chameleonvision.vision.Pipeline;
import com.chameleonvision.web.ServerHandler;
import edu.wpi.cscore.*;
@@ -16,6 +17,7 @@ public class Camera {
private static final int MINIMUM_FPS = 30;
private static final int MINIMUM_WIDTH = 320;
private static final int MINIMUM_HEIGHT = 240;
private static final int MAX_INIT_MS = 1500;
public final String name;
public final String path;
@@ -32,6 +34,7 @@ public class Camera {
private CamVideoMode camVideoMode;
private int currentPipelineIndex;
private HashMap<Integer, Pipeline> pipelines;
private long initTimeout;
public Camera(String cameraName) {
@@ -64,10 +67,19 @@ public class Camera {
this.pipelines = pipelines;
// set up video modes according to minimums
while(!UsbCam.isConnected())
{
System.out.println("notConnected");//TODO add a time sleep, can wait only so long before giving up
}
if (SettingsManager.getCurrentPlatform() == SettingsManager.Platform.WINDOWS_64 && !UsbCam.isConnected()) {
System.out.print("Waiting on camera... ");
initTimeout = System.nanoTime();
while(!UsbCam.isConnected())
{
//TODO add a time sleep, can wait only so long before giving up
if (((System.nanoTime() - initTimeout) / 1e6 ) >= MAX_INIT_MS) {
break;
}
}
var initTimeMs = (System.nanoTime() - initTimeout) / 1e6;
System.out.printf("Camera initialized in %.2fms\n", initTimeMs);
}
availableVideoModes = Arrays.stream(UsbCam.enumerateVideoModes()).filter(v -> v.fps >= MINIMUM_FPS && v.width >= MINIMUM_WIDTH && v.height >= MINIMUM_HEIGHT).toArray(VideoMode[]::new);
if (videoModeIndex <= availableVideoModes.length - 1) {
setCamVideoMode(videoModeIndex, false);