优化本地拍照，本地录像，返回操作结果

app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java

@@ -156,6 +156,10 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
 //                mUSBManager.startCameraFoucs();
 //                showShortMsg("对焦相机");
                 List<Size> list = mUSBManager.getSupportedPreviewSizes();
+                if(list == null) {
+                    return;
+                }
+
                 StringBuilder sb = new StringBuilder();
                 for(Size size:list){
                     sb.append(size.width+"x"+size.height);
@@ -170,9 +174,12 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
                 }
                 String picPath = USBCameraManager.ROOT_PATH+System.currentTimeMillis()
                         +USBCameraManager.SUFFIX_PNG;
-                mUSBManager.capturePicture(picPath);
-
-                showShortMsg("保存路径："+picPath);
+                mUSBManager.capturePicture(picPath, new AbstractUVCCameraHandler.OnCaptureListener() {
+                    @Override
+                    public void onCaptureResult(String path) {
+                        showShortMsg("保存路径："+path);
+                    }
+                });
                 break;
             case R.id.btn_rec_video:
                 if(mUSBManager == null || ! mUSBManager.isCameraOpened()){
@@ -196,6 +203,11 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
                                 FileUtils.putFileStream(data,offset,length);
                             }
                         }
+
+                        @Override
+                        public void onRecordResult(String videoPath) {
+                            showShortMsg(videoPath);
+                        }
                     });
 
                     mBtnRecord.setText("正在录制");

libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java

@@ -57,6 +57,7 @@ public class USBCameraManager{
     public interface OnMyDevConnectListener{
         void onAttachDev(UsbDevice device);
         void onDettachDev(UsbDevice device);
+
         void onConnectDev(UsbDevice device,boolean isConnected);
         void onDisConnectDev(UsbDevice device);
     }
@@ -213,9 +214,9 @@ public class USBCameraManager{
     }
 
     // 拍照
-    public void capturePicture(String savePath){
+    public void capturePicture(String savePath,AbstractUVCCameraHandler.OnCaptureListener listener){
         if(mCameraHandler != null && mCameraHandler.isOpened()){
-            mCameraHandler.captureStill(savePath);
+            mCameraHandler.captureStill(savePath,listener);
         }
     }
 

libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java

@@ -70,15 +70,21 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 
 	public static OnEncodeResultListener mListener;
 	public static OnPreViewResultListener mPreviewListener;
+	public static OnCaptureListener mCaptureListener;
 
 	public interface OnEncodeResultListener{
 		void onEncodeResult(byte[] data, int offset, int length, long timestamp, int type);
+		void onRecordResult(String videoPath);
 	}
 
 	public interface OnPreViewResultListener{
 		void onPreviewResult(boolean result);
 	}
 
+	public interface OnCaptureListener {
+		void onCaptureResult(String picPath);
+	}
+
 	private static final int MSG_OPEN = 0;
 	private static final int MSG_CLOSE = 1;
 	private static final int MSG_PREVIEW_START = 2;
@@ -175,7 +181,7 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 	protected void startPreview(final Object surface,OnPreViewResultListener listener) {
 		checkReleased();
 		if (!((surface instanceof SurfaceHolder) || (surface instanceof Surface) || (surface instanceof SurfaceTexture))) {
-			throw new IllegalArgumentException("surface should be one of SurfaceHolder, Surface or SurfaceTexture");
+			throw new IllegalArgumentException("surface should be one of SurfaceHolder, Surface or SurfaceTexture: "+surface);
 		}
 
 		this.mPreviewListener = listener;
@@ -212,7 +218,8 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 		sendEmptyMessage(MSG_CAPTURE_STILL);
 	}
 
-	protected void captureStill(final String path) {
+	public void captureStill(final String path,AbstractUVCCameraHandler.OnCaptureListener listener) {
+		AbstractUVCCameraHandler.mCaptureListener = listener;
 		checkReleased();
 		sendMessage(obtainMessage(MSG_CAPTURE_STILL, path));
 	}
@@ -401,6 +408,7 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 //		private MediaMuxerWrapper mMuxer;
 		private MediaVideoBufferEncoder mVideoEncoder;
 		private Mp4MediaMuxer mMuxer;
+		private String videoPath;
 //		private boolean isAudioThreadStart;
 
 		/** 构造方法
@@ -583,12 +591,12 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 				// the file name is came from current time.
 				// You should use extension name as same as CompressFormat when calling Bitmap#compress.
 				final File outputFile = TextUtils.isEmpty(path)
-					? MediaMuxerWrapper.getCaptureFile(Environment.DIRECTORY_DCIM, ".png")
+					? MediaMuxerWrapper.getCaptureFile(Environment.DIRECTORY_DCIM, ".jpg")
 					: new File(path);
 				final BufferedOutputStream os = new BufferedOutputStream(new FileOutputStream(outputFile));
 				try {
 					try {
-						bitmap.compress(Bitmap.CompressFormat.PNG, 100, os);
+						bitmap.compress(Bitmap.CompressFormat.JPEG, 100, os);
 						os.flush();
 						mHandler.sendMessage(mHandler.obtainMessage(MSG_MEDIA_UPDATE, outputFile.getPath()));
 					} catch (final IOException e) {
@@ -596,6 +604,9 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 				} finally {
 					os.close();
 				}
+				if(mCaptureListener != null) {
+					mCaptureListener.onCaptureResult(path);
+				}
 			} catch (final Exception e) {
 				callOnError(e);
 			}
@@ -654,6 +665,7 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 			// 获取USB Camera预览数据
 			mUVCCamera.setFrameCallback(mIFrameCallback, UVCCamera.PIXEL_FORMAT_NV21);
 			// 初始化混合器
+			videoPath = params.getRecordPath();
 			mMuxer = new Mp4MediaMuxer(params.getRecordPath(),
 					params.getRecordDuration() * 60 * 1000);
 
@@ -685,6 +697,10 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 			mWeakCameraView.get().setVideoEncoder(null);
 			// you should not wait here
 			callOnStopRecording();
+			// 返回路径
+			if(mListener != null) {
+				mListener.onRecordResult(videoPath+".mp4");
+			}
 		}
 
 		private void startVideoRecord() {

libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java

@@ -129,8 +129,8 @@ public class UVCCameraHandler extends AbstractUVCCameraHandler {
 	}
 
 	@Override
-	public void captureStill(final String path) {
-		super.captureStill(path);
+	public void captureStill(final String path,OnCaptureListener listener) {
+		super.captureStill(path,listener);
 	}
 
 	@Override

libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java

@@ -163,7 +163,7 @@ public class UVCCameraHandlerMultiSurface extends AbstractUVCCameraHandler {
 	}
 
 	@Override
-	public void captureStill(final String path) {
+	public void captureStill(final String path,OnCaptureListener listener) {
 		checkReleased();
 		post(new Runnable() {
 			@Override

libusbcamera/src/main/java/com/serenegiant/usb/encoder/RecordParams.java

@@ -9,6 +9,7 @@ public class RecordParams {
     private String recordPath;
     private int recordDuration;
     private boolean voiceClose;
+    private boolean isAutoSave;
 
     public boolean isVoiceClose() {
         return voiceClose;
@@ -33,4 +34,12 @@ public class RecordParams {
     public void setRecordDuration(int recordDuration) {
         this.recordDuration = recordDuration;
     }
+
+    public boolean isAutoSave() {
+        return isAutoSave;
+    }
+
+    public void setAutoSave(boolean autoSave) {
+        isAutoSave = autoSave;
+    }
 }

libusbcamera/src/main/java/com/serenegiant/usb/encoder/biz/Mp4MediaMuxer.java

@@ -18,9 +18,9 @@ import java.nio.ByteBuffer;
 public class Mp4MediaMuxer {
     private static final boolean VERBOSE = false;
     private static final String TAG = Mp4MediaMuxer.class.getSimpleName();
-    private final String mFilePath;
+    private String mFilePath;
     private MediaMuxer mMuxer;
-    private final long durationMillis;
+    private long durationMillis;
     private int index = 0;
     private int mVideoTrackIndex = -1;
     private int mAudioTrackIndex = -1;
@@ -30,12 +30,17 @@ public class Mp4MediaMuxer {
 
     // 文件路径；文件时长
     public Mp4MediaMuxer(String path, long durationMillis) {
-        mFilePath = path;
+        String mFilePath;
         this.durationMillis = durationMillis;
+        if(durationMillis != 0) {
+            mFilePath = path + "-" + index++ + ".mp4";
+        }else{
+            mFilePath = path+".mp4";
+        }
         Object mux = null;
         try {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-                mux = new MediaMuxer(path + "-" + index++ + ".mp4", MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
+                mux = new MediaMuxer(mFilePath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
             }
         } catch (IOException e) {
             e.printStackTrace();