修复获取h264数据流

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

@@ -160,13 +160,6 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
                     showShortMsg("录制异常，摄像头未开启");
                     return;
                 }
-                File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath()
-                        +File.separator+System.currentTimeMillis()+".txt");
-                try {
-                    fos = new FileOutputStream(file);
-                } catch (FileNotFoundException e) {
-                    e.printStackTrace();
-                }
 
                 if(! mUSBManager.isRecording()){
                     String videoPath = USBCameraManager.ROOT_PATH+System.currentTimeMillis()
@@ -174,32 +167,13 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
                     mUSBManager.startRecording(videoPath, new AbstractUVCCameraHandler.OnEncodeResultListener() {
                         @Override
                         public void onEncodeResult(byte[] data, int offset, int length, long timestamp, int type) {
-                            String tip = null;
-                            if(data == null){
-                                tip = "data = null";
-                            }else{
-                                tip = "大小"+data.length+ "类型"+type + ";";
-                            }
-                            try {
-                                if(fos != null){
-                                    fos.write(tip.getBytes());
-                                }
-                            } catch (IOException e) {
-                                e.printStackTrace();
-                            }
+
                         }
                     });
 
                     mBtnRecord.setText("正在录制");
                 } else {
                     mUSBManager.stopRecording();
-                    try {
-                        if(fos != null){
-                            fos.close();
-                        }
-                    } catch (IOException e) {
-                        e.printStackTrace();
-                    }
                     mBtnRecord.setText("开始录制");
                 }
                 break;

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

@@ -25,8 +25,14 @@ package com.serenegiant.usb.encoder;
 
 import android.media.MediaCodec;
 import android.media.MediaFormat;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
 import android.util.Log;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.nio.ByteBuffer;
@@ -361,6 +367,11 @@ public abstract class MediaEncoder implements Runnable {
         }
     }
 
+	byte[] mPpsSps = new byte[0];
+	byte[] h264 = new byte[640 * 480 * 3 / 2];
+	ByteBuffer mBuffer = ByteBuffer.allocate(10240);
+	long timeStamp = System.currentTimeMillis();
+
     /**
      * drain encoded data and write them to muxer
      */
@@ -375,9 +386,7 @@ public abstract class MediaEncoder implements Runnable {
         	Log.w(TAG, "muxer is unexpectedly null");
         	return;
         }
-		byte[] mPpsSps = new byte[0];
-		byte[] h264 = new byte[640 * 480];
-		ByteBuffer mBuffer = ByteBuffer.allocate(10240);
+
 
 LOOP:	while (mIsCapturing) {
 			// get encoded data with maximum timeout duration of TIMEOUT_USEC(=10[msec])
@@ -448,45 +457,44 @@ LOOP:	while (mIsCapturing) {
 					prevOutputPTSUs = mBufferInfo.presentationTimeUs;
 
 					// 推流，获取h.264数据流
-//					if(mListener != null){
-//						byte[] temp = new byte[mBufferInfo.size];
-//							encodedData.get(temp);
-//						mListener.onEncodeResult(temp, 0,mBufferInfo.size, mBufferInfo.presentationTimeUs / 1000,TYPE_VIDEO);
-//					}
 					// 根据mBufferInfo.size来判断音视频
 					// > 1000，视频；< 1000，音频
+					synchronized (this){
 						if(mBufferInfo.size > 1000) {
-						boolean sync = false;
-						if ((mBufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG) != 0) {// sps
-							sync = (mBufferInfo.flags & MediaCodec.BUFFER_FLAG_SYNC_FRAME) != 0;
-							if (!sync) {
-								byte[] temp = new byte[mBufferInfo.size];
-								encodedData.get(temp);
-								mPpsSps = temp;
-								mMediaCodec.releaseOutputBuffer(encoderStatus, false);
+							int type = encodedData.get(4) & 0x07;
+							if(type == 7 || type == 8) {
+								byte[] outData = new byte[mBufferInfo.size];
+								encodedData.get(outData);
+								mPpsSps = outData;
+							}else if(type == 5) {
+								System.arraycopy(mPpsSps,0,h264,0,mPpsSps.length);
+								if(mBufferInfo.size > h264.length) {
 									continue;
-							} else {
-								mPpsSps = new byte[0];
-							}
 								}
-						sync |= (mBufferInfo.flags & MediaCodec.BUFFER_FLAG_SYNC_FRAME) != 0;
-						int len = mPpsSps.length + mBufferInfo.size;
-						if (len > h264.length) {
-							h264 = new byte[len];
-						}
-						if (sync) {
-							System.arraycopy(mPpsSps, 0, h264, 0, mPpsSps.length);
 								encodedData.get(h264,mPpsSps.length,mBufferInfo.size);
-
 								if(mListener != null) {
-								mListener.onEncodeResult(h264, 0,mPpsSps.length + mBufferInfo.size, mBufferInfo.presentationTimeUs / 1000,TYPE_VIDEO);
+									mListener.onEncodeResult(h264, 0,mPpsSps.length + mBufferInfo.size,
+											mBufferInfo.presentationTimeUs / 1000,TYPE_VIDEO);
 								}
 							} else {
+								if(mBufferInfo.size > h264.length){
+									continue ;
+								}
 								encodedData.get(h264,0,mBufferInfo.size);
+								if(System.currentTimeMillis() - timeStamp >= 3000) {
+									timeStamp = System.currentTimeMillis();
+									if(Build.VERSION.SDK_INT >= 23) {
+										Bundle params = new Bundle();
+										params.putInt(MediaCodec.PARAMETER_KEY_REQUEST_SYNC_FRAME, 0);
+										mMediaCodec.setParameters(params);
+									}
+								}
 								if(mListener != null) {
-								mListener.onEncodeResult(h264, 0,mBufferInfo.size, mBufferInfo.presentationTimeUs / 1000,TYPE_VIDEO);
+									mListener.onEncodeResult(h264, 0,mBufferInfo.size,
+											mBufferInfo.presentationTimeUs / 1000,TYPE_VIDEO);
 								}
 							}
+
 						} else {
 							mBuffer.clear();
 							encodedData.get(mBuffer.array(), 7, mBufferInfo.size);
@@ -499,6 +507,8 @@ LOOP:	while (mIsCapturing) {
 							}
 						}
 					}
+
+                }
                 // return buffer to encoder
                 mMediaCodec.releaseOutputBuffer(encoderStatus, false);
                 if ((mBufferInfo.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) {

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

@@ -1,8 +1,10 @@
 package com.serenegiant.usb.encoder;
 
+import android.annotation.TargetApi;
 import android.media.MediaCodec;
 import android.media.MediaFormat;
 import android.media.MediaMuxer;
+import android.os.Build;
 import android.os.Environment;
 import android.text.TextUtils;
 import android.util.Log;
@@ -27,6 +29,7 @@ public class MediaMuxerWrapper {
 	private boolean mIsStarted;
 	private MediaEncoder mVideoEncoder, mAudioEncoder;
 
+	@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
 	public MediaMuxerWrapper(String path) throws IOException {
 		try {
 			// 保存到自定义路径还是手机默认Movies路径

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

@@ -23,10 +23,12 @@
 
 package com.serenegiant.usb.encoder;
 
+import android.annotation.TargetApi;
 import android.media.MediaCodec;
 import android.media.MediaCodecInfo;
 import android.media.MediaCodecList;
 import android.media.MediaFormat;
+import android.os.Build;
 import android.util.Log;
 import android.view.Surface;
 
@@ -82,6 +84,7 @@ public class MediaVideoEncoder extends MediaEncoder implements IVideoEncoder {
 		return result;
 	}
 
+	@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
 	@Override
 	protected void prepare() throws IOException {
 		if (DEBUG) Log.i(TAG, "prepare: ");
@@ -99,7 +102,7 @@ public class MediaVideoEncoder extends MediaEncoder implements IVideoEncoder {
         format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);	// API >= 18
         format.setInteger(MediaFormat.KEY_BIT_RATE, calcBitRate());
         format.setInteger(MediaFormat.KEY_FRAME_RATE, FRAME_RATE);
-        format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 10);
+        format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 1);
 		if (DEBUG) Log.i(TAG, "format: " + format);
 
         mMediaCodec = MediaCodec.createEncoderByType(MIME_TYPE);