Java MediaRecorder.stop()失败:重新启动后为-1007
我录制Android手机屏幕的视频,并在每5秒录制一次后发送结果文件,由于我使用UDP,结果文件被分成65K字节长的块。代码如下:Java MediaRecorder.stop()失败:重新启动后为-1007,java,android,mediarecorder,Java,Android,Mediarecorder,我录制Android手机屏幕的视频,并在每5秒录制一次后发送结果文件,由于我使用UDP,结果文件被分成65K字节长的块。代码如下: @Override public void run() { FileInputStream fis = null; try { fis = new FileInputStream(sendFile); } catch (Exception e) {
@Override
public void run() {
FileInputStream fis = null;
try
{
fis = new FileInputStream(sendFile);
}
catch (Exception e) {
e.printStackTrace();
}
if (screenRecorder.isRunning()) screenRecorder.stopRecord();
try {
byte[] videoBytes = new byte[65000];
if (sendFile.exists()) {
int piecesNumber = (int)(sendFile.length() / 65000) + 1;
byte[] byteNum = ByteBuffer.allocate(4).putInt(piecesNumber).array();
sock.send(new DatagramPacket(byteNum, byteNum.length, ia, 11111));
for (int i = 0; i < piecesNumber; i++) {
fis.read(videoBytes);
DatagramPacket videoPack = new DatagramPacket(videoBytes, 65000, ia, 11111);
sock.send(videoPack);
}
try {
PrintWriter flusher = new PrintWriter(sendFile); // flush file for new part of vid
flusher.write("");
flusher.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
fis.close();
} catch (Exception e) {
e.printStackTrace();
}
Log.d("RECORDED", "Sent " + videoBytes.length + " bytes");
} else Log.e("FILE", "Not found");
} catch (Exception e) {
e.printStackTrace();
}
if (!screenRecorder.isRunning()) screenRecorder.startRecord();
}
reset()取消注释不会改变任何东西,会对virtualDisplay.release()和mediaProjection.stop()进行注释,因为我在启动记录之前初始化了virtualDisplay和mediaProjection的实例,不想取消它们的初始化
计时器的第一次迭代进行得很顺利,我在接收PC上获得了视频的前5秒。但在下一次stop()调用时,当前acitvity关闭,这是我在错误日志中看到的:
2019-03-14 12:01:37.121 18374-18473/com.petrsu.se.s2s E/MediaRecorder: stop failed: -1007
2019-03-14 12:01:37.125 18374-18473/com.petrsu.se.s2s E/AndroidRuntime: FATAL EXCEPTION: Timer-0
Process: com.petrsu.se.s2s, PID: 18374
java.lang.RuntimeException: stop failed.
at android.media.MediaRecorder.native_stop(Native Method)
at android.media.MediaRecorder.stop(MediaRecorder.java:1415)
at com.petrsu.se.s2s.ScreenRecorder.stopRecord(ScreenRecorder.java:80)
at com.petrsu.se.s2s.DataTransfer$sendTask.run(DataTransfer.java:221)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
这种行为的原因可能是什么?谢谢你的建议。修复了这个问题:我不应该对这个问题发表评论
virtualDisplay.release;
我应该在每一站都释放它,然后在startRecord()中再次创建:
我使用的是颤振框架,我遇到了同样的问题,你能帮我吗?什么是virtualDisplay。
virtualDisplay.release;
public boolean startRecord() {
if (mediaProjection == null || running) {
return false;
}
initRecorder();
createVirtualDisplay(); // no additional check
mediaRecorder.start();
running = true;
return true;
}