Java 类org.webrtc.videoengine.CaptureCapabilityAndroid 实例源码

@Override
public List<VideoCaptureDeviceInfo> getVideoCaptureDevices(Context ctxt) {
    VideoCaptureDeviceInfoAndroid deviceInfoAndroid = VideoCaptureDeviceInfoAndroid.CreateVideoCaptureDeviceInfoAndroid(0, ctxt);
    List<VideoCaptureDeviceInfo> arr = new ArrayList<VideoCaptureDeviceInfo>();
    if(deviceInfoAndroid == null) {
        return arr;
    }
    int i;
    for(i = 0; i < deviceInfoAndroid.NumberOfDevices(); i++) {
        String deviceName = deviceInfoAndroid.GetDeviceUniqueName(i);
        CaptureCapabilityAndroid[] caps = deviceInfoAndroid.GetCapabilityArray(deviceName);
        VideoCaptureDeviceInfo vcdi = new VideoCaptureDeviceInfo();
        int orientation = deviceInfoAndroid.GetOrientation(deviceName);
        boolean invertWidthHeight = false;
        if(orientation == 90 || orientation == 270) {
            invertWidthHeight = true;
        }

        for(CaptureCapabilityAndroid cap : caps) {
            VideoCaptureCapability vcc = new VideoCaptureCapability();
            vcc.height = invertWidthHeight ? cap.width : cap.height;
            vcc.width = invertWidthHeight ? cap.height : cap.width;
            vcc.fps = cap.maxFPS;
            vcdi.capabilities.add(vcc);
        }

        CaptureCapabilityAndroid bcap = deviceInfoAndroid.GetBestCapability(deviceName);
        if(bcap != null) {
            vcdi.bestCapability = new VideoCaptureCapability();
            vcdi.bestCapability.width = invertWidthHeight ? bcap.width : bcap.width;
            vcdi.bestCapability.height = invertWidthHeight ? bcap.height : bcap.height;
            vcdi.bestCapability.fps = bcap.maxFPS;
        }

        arr.add(vcdi);
    }

    return arr;
}