diff --git a/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java b/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
index c360d81..bb5ba33 100644
--- a/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
+++ b/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
@@ -139,7 +139,6 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
mUVCCameraView = (CameraViewInterface) mTextureView;
mUVCCameraView.setCallback(this);
mCameraHelper = UVCCameraHelper.getInstance();
- mCameraHelper.setDefaultPreviewSize(320,240);
mCameraHelper.initUSBMonitor(this, mUVCCameraView, listener);
diff --git a/app/src/main/res/layout/activity_usbcamera.xml b/app/src/main/res/layout/activity_usbcamera.xml
index 1d7e7b4..ada9f5b 100644
--- a/app/src/main/res/layout/activity_usbcamera.xml
+++ b/app/src/main/res/layout/activity_usbcamera.xml
@@ -17,39 +17,42 @@
app:navigationIcon="@null"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
-
+ android:layout_height="match_parent"
+ android:layout_below="@id/toolbar">
+
+
+
+ android:text="对比度(contrast)"
+ android:textColor="@color/colorWhite" />
+ android:layout_height="match_parent"
+ android:layout_weight="2" />
+ android:layout_height="match_parent"
+ android:layout_weight="2" />
+ android:text="closeVoice"
+ android:textColor="@color/colorWhite" />
\ No newline at end of file
diff --git a/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java b/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
index 44ca652..194ff46 100644
--- a/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
+++ b/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
@@ -32,6 +32,10 @@ public class UVCCameraHelper {
private static final String TAG = "UVCCameraHelper";
private int previewWidth = 640;
private int previewHeight = 480;
+ // 高分辨率YUV格式帧率较低
+ private static int FRAME_FORMAT_YUYV = UVCCamera.FRAME_FORMAT_YUYV;
+ // 默认使用MJPEG
+ private static int FRAME_FORMAT_MJPEG = UVCCamera.FRAME_FORMAT_MJPEG;
public static int MODE_BRIGHTNESS = UVCCamera.PU_BRIGHTNESS;
public static int MODE_CONTRAST = UVCCamera.PU_CONTRAST;
@@ -42,8 +46,8 @@ public class UVCCameraHelper {
private UVCCameraHandler mCameraHandler;
private USBMonitor.UsbControlBlock mCtrlBlock;
- private WeakReference mActivityWrf;
- private WeakReference mCamViewWrf;
+ private Activity mActivity;
+ private CameraViewInterface mCamView;
private UVCCameraHelper() {
}
@@ -72,8 +76,8 @@ public class UVCCameraHelper {
}
public void initUSBMonitor(Activity activity, CameraViewInterface cameraView, final OnMyDevConnectListener listener) {
- this.mActivityWrf = new WeakReference<>(activity);
- this.mCamViewWrf = new WeakReference<>(cameraView);
+ this.mActivity = activity;
+ this.mCamView = cameraView;
mUSBMonitor = new USBMonitor(activity.getApplicationContext(), new USBMonitor.OnDeviceConnectListener() {
// called by checking usb device
@@ -100,7 +104,19 @@ public class UVCCameraHelper {
public void onConnect(final UsbDevice device, USBMonitor.UsbControlBlock ctrlBlock, boolean createNew) {
mCtrlBlock = ctrlBlock;
openCamera(ctrlBlock);
- startPreview(mCamViewWrf.get());
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ // 休眠500ms，等待Camera创建完毕
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ // 开启预览
+ startPreview(mCamView);
+ }
+ }).start();
if(listener != null) {
listener.onConnectDev(device,true);
}
@@ -124,7 +140,7 @@ public class UVCCameraHelper {
}
public void createUVCCamera() {
- if (mCamViewWrf.get() == null)
+ if (mCamView == null)
throw new NullPointerException("CameraViewInterface cannot be null!");
// release resources for initializing camera handler
@@ -133,9 +149,9 @@ public class UVCCameraHelper {
mCameraHandler = null;
}
// initialize camera handler
-// mCamViewWrf.get().setAspectRatio(previewWidth / (float)previewHeight);
- mCameraHandler = UVCCameraHandler.createHandler(mActivityWrf.get(), mCamViewWrf.get(), 2,
- previewWidth, previewHeight, UVCCamera.FRAME_FORMAT_YUYV);
+ mCamView.setAspectRatio(previewWidth / (float)previewHeight);
+ mCameraHandler = UVCCameraHandler.createHandler(mActivity, mCamView, 2,
+ previewWidth, previewHeight, FRAME_FORMAT_MJPEG);
}
public void updateResolution(int width, int height) {
@@ -148,11 +164,23 @@ public class UVCCameraHelper {
mCameraHandler.release();
mCameraHandler = null;
}
-// mCamViewWrf.get().setAspectRatio(previewWidth / (float)previewHeight);
- mCameraHandler = UVCCameraHandler.createHandler(mActivityWrf.get(), mCamViewWrf.get(), 2,
- previewWidth, previewHeight, UVCCamera.FRAME_FORMAT_YUYV);
+ mCamView.setAspectRatio(previewWidth / (float)previewHeight);
+ mCameraHandler = UVCCameraHandler.createHandler(mActivity,mCamView, 2,
+ previewWidth, previewHeight, FRAME_FORMAT_MJPEG);
openCamera(mCtrlBlock);
- startPreview(mCamViewWrf.get());
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ // 休眠500ms，等待Camera创建完毕
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ // 开启预览
+ startPreview(mCamView);
+ }
+ }).start();
}
public void registerUSB() {
@@ -206,7 +234,7 @@ public class UVCCameraHelper {
public List getUsbDeviceList() {
List deviceFilters = DeviceFilter
- .getDeviceFilters(mActivityWrf.get().getApplicationContext(), R.xml.device_filter);
+ .getDeviceFilters(mActivity.getApplicationContext(), R.xml.device_filter);
if (mUSBMonitor == null || deviceFilters == null)
return null;
return mUSBMonitor.getDeviceList(deviceFilters.get(0));
@@ -245,8 +273,6 @@ public class UVCCameraHelper {
}
public void release() {
- mCamViewWrf.clear();
- mActivityWrf.clear();
if (mCameraHandler != null) {
mCameraHandler.release();
mCameraHandler = null;
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/UVCCamera.java b/libusbcamera/src/main/java/com/serenegiant/usb/UVCCamera.java
index 2c0e935..15a4180 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/UVCCamera.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/UVCCamera.java
@@ -48,7 +48,7 @@ public class UVCCamera {
public static final int DEFAULT_PREVIEW_HEIGHT = 480;
public static final int DEFAULT_PREVIEW_MODE = 0;
public static final int DEFAULT_PREVIEW_MIN_FPS = 1;
- public static final int DEFAULT_PREVIEW_MAX_FPS = 30;
+ public static final int DEFAULT_PREVIEW_MAX_FPS = 31;
public static final float DEFAULT_BANDWIDTH = 1.0f;
public static final int FRAME_FORMAT_YUYV = 0;
@@ -127,7 +127,7 @@ public class UVCCamera {
private UsbControlBlock mCtrlBlock;
protected long mControlSupports; // カメラコントロールでサポートしている機能フラグ
protected long mProcSupports; // プロセッシングユニットでサポートしている機能フラグ
- protected int mCurrentFrameFormat = FRAME_FORMAT_YUYV;
+ protected int mCurrentFrameFormat = FRAME_FORMAT_MJPEG;
protected int mCurrentWidth = DEFAULT_PREVIEW_WIDTH, mCurrentHeight = DEFAULT_PREVIEW_HEIGHT;
protected float mCurrentBandwidthFactor = DEFAULT_BANDWIDTH;
protected String mSupportedSize;
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
index 5286b42..b05a9ac 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
@@ -534,13 +534,13 @@ public abstract class AbstractUVCCameraHandler extends Handler {
// mUVCCamera.setFrameCallback(mIFrameCallback, UVCCamera.PIXEL_FORMAT_NV21);
mUVCCamera.setFrameCallback(mIFrameCallback, UVCCamera.PIXEL_FORMAT_YUV420SP);
} catch (final IllegalArgumentException e) {
-// try {
-// // fallback to YUV mode
-// mUVCCamera.setPreviewSize(mWidth, mHeight, 1, 31, UVCCamera.DEFAULT_PREVIEW_MODE, mBandwidthFactor);
-// } catch (final IllegalArgumentException e1) {
-// callOnError(e1);
-// return;
-// }
+ try {
+ // fallback to YUV mode
+ mUVCCamera.setPreviewSize(mWidth, mHeight, 1, 31, UVCCamera.DEFAULT_PREVIEW_MODE, mBandwidthFactor);
+ } catch (final IllegalArgumentException e1) {
+ callOnError(e1);
+ return;
+ }
}
if (surface instanceof SurfaceHolder) {
mUVCCamera.setPreviewDisplay((SurfaceHolder)surface);
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
index 4403ee8..2d01f1c 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
@@ -42,7 +42,7 @@ public class UVCCameraHandler extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int width, final int height) {
- return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_YUYV, UVCCamera.DEFAULT_BANDWIDTH);
+ return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_MJPEG, UVCCamera.DEFAULT_BANDWIDTH);
}
/**
@@ -58,7 +58,7 @@ public class UVCCameraHandler extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int width, final int height, final float bandwidthFactor) {
- return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_YUYV, bandwidthFactor);
+ return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_MJPEG, bandwidthFactor);
}
/**
@@ -74,7 +74,7 @@ public class UVCCameraHandler extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int encoderType, final int width, final int height) {
- return createHandler(parent, cameraView, encoderType, width, height, UVCCamera.FRAME_FORMAT_YUYV, UVCCamera.DEFAULT_BANDWIDTH);
+ return createHandler(parent, cameraView, encoderType, width, height, UVCCamera.FRAME_FORMAT_MJPEG, UVCCamera.DEFAULT_BANDWIDTH);
}
/**
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
index 428908c..b85aaa0 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
@@ -43,7 +43,7 @@ public class UVCCameraHandlerMultiSurface extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int width, final int height) {
- return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_YUYV, UVCCamera.DEFAULT_BANDWIDTH);
+ return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_MJPEG, UVCCamera.DEFAULT_BANDWIDTH);
}
/**
@@ -59,7 +59,7 @@ public class UVCCameraHandlerMultiSurface extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int width, final int height, final float bandwidthFactor) {
- return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_YUYV, bandwidthFactor);
+ return createHandler(parent, cameraView, 1, width, height, UVCCamera.FRAME_FORMAT_MJPEG, bandwidthFactor);
}
/**
@@ -75,7 +75,7 @@ public class UVCCameraHandlerMultiSurface extends AbstractUVCCameraHandler {
final Activity parent, final CameraViewInterface cameraView,
final int encoderType, final int width, final int height) {
- return createHandler(parent, cameraView, encoderType, width, height, UVCCamera.FRAME_FORMAT_YUYV, UVCCamera.DEFAULT_BANDWIDTH);
+ return createHandler(parent, cameraView, encoderType, width, height, UVCCamera.FRAME_FORMAT_MJPEG, UVCCamera.DEFAULT_BANDWIDTH);
}
/**