Method to create and return a video capturer for WebRTC using Camera 1 API

CreateVideoCapturer.java

    private VideoCapturer createVideoCapturer() {
        VideoCapturer videoCapturer;
        videoCapturer = createCameraCapturer(new Camera1Enumerator(false));
        return videoCapturer;
    }

    private VideoCapturer createCameraCapturer(CameraEnumerator enumerator) {
        final String[] deviceNames = enumerator.getDeviceNames();

        // Trying to find a front facing camera!
        for (String deviceName : deviceNames) {
            if (enumerator.isFrontFacing(deviceName)) {
                VideoCapturer videoCapturer = enumerator.createCapturer(deviceName, null);

                if (videoCapturer != null) {
                    return videoCapturer;
                }
            }
        }

        // We were not able to find a front cam. Look for other cameras
        for (String deviceName : deviceNames) {
            if (!enumerator.isFrontFacing(deviceName)) {
                VideoCapturer videoCapturer = enumerator.createCapturer(deviceName, null);
                if (videoCapturer != null) {
                    return videoCapturer;
                }
            }
        }

        return null;
}