我尝试从IP摄像机捕获帧以进行图片处理，我使用HeadlessMediaPlayer播放摄像机媒体，并在回调函数中获得BufferedImage。但是它总是在播放几个场景后停止播放，然后程序毫无例外地退出。这是控制台输出：
2019-03-15 10:21:26,344 INFO Info:78 - vlcj: 3.12.1
2019-03-15 10:21:26,348 INFO Info:79 - java: 1.8.0_171 Oracle Corporation
2019-03-15 10:21:26,348 INFO Info:80 - java home: E:\Java\jdk\jre
2019-03-15 10:21:26,350 INFO Info:81 - os: Windows 10 10.0 amd64
2019-03-15 10:21:27,286 INFO NativeDiscovery:121 - Discovery found libvlc at 'E:\VLC'
2019-03-15 10:21:27,565 INFO LibVlcFactory:171 - vlc: 3.0.4 Vetinari, changeset 3.0.4-0-gf615db6332
2019-03-15 10:21:27,565 INFO LibVlcFactory:172 - libvlc: E:\VLC\libvlc.dll
Start to play.
[0000000022740300] avcodec decoder: Using D3D11VA (NVIDIA GeForce RTX 2080, vendor 4318(NVIDIA), device 7810, revision 161) for hardware decoding
Stop.
Process finished with exit code 0
这是我的代码
new NativeDiscovery().discover();
// Configure player factory.
String[] VLC_ARGS = {
"--intf", "dummy", // no interface
"--vout", "dummy", // we don't want video (output)
"--no-audio", // we don't want audio (decoding)
"--no-video-title-show", // nor the filename displayed
"--no-stats", // no stats
"--no-sub-autodetect-file", // we don't want subtitles
"--no-disable-screensaver", // we don't want interfaces
"--no-snapshot-preview", // no blending in dummy vout
};
MediaPlayerFactory mediaPlayerFactory = new MediaPlayerFactory(VLC_ARGS);
// Create player.
HeadlessMediaPlayer mediaPlayer = mediaPlayerFactory.newHeadlessMediaPlayer();
// Select input device.
String mrl = "rtsp://admin:wls771102@192.168.14.191:554/h264/ch1/sub/av_stream"; // Linux
// Start processing.
mediaPlayer.startMedia(mrl);
mediaPlayer.addMediaPlayerEventListener(new MediaPlayerEventListener() {
@Override
public void mediaChanged(MediaPlayer mediaPlayer, libvlc_media_t libvlc_media_t, String s) {
}
@Override
public void opening(MediaPlayer mediaPlayer) {
}
@Override
public void buffering(MediaPlayer mediaPlayer, float v) {
}
@Override
public void playing(MediaPlayer mediaPlayer) {
image = mediaPlayer.getSnapshot(); //getBufferedImage
}
@Override
public void paused(MediaPlayer mediaPlayer) {
}
@Override
public void stopped(MediaPlayer mediaPlayer) {
}
@Override
public void forward(MediaPlayer mediaPlayer) {
}
@Override
public void backward(MediaPlayer mediaPlayer) {
}
@Override
public void finished(MediaPlayer mediaPlayer) {
}
@Override
public void timeChanged(MediaPlayer mediaPlayer, long l) {
}
@Override
public void positionChanged(MediaPlayer mediaPlayer, float v) {
}
@Override
public void seekableChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void pausableChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void titleChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void snapshotTaken(MediaPlayer mediaPlayer, String s) {
}
@Override
public void lengthChanged(MediaPlayer mediaPlayer, long l) {
}
@Override
public void videoOutput(MediaPlayer mediaPlayer, int i) {
}
@Override
public void scrambledChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void elementaryStreamAdded(MediaPlayer mediaPlayer, int i, int i1) {
}
@Override
public void elementaryStreamDeleted(MediaPlayer mediaPlayer, int i, int i1) {
}
@Override
public void elementaryStreamSelected(MediaPlayer mediaPlayer, int i, int i1) {
}
@Override
public void corked(MediaPlayer mediaPlayer, boolean b) {
}
@Override
public void muted(MediaPlayer mediaPlayer, boolean b) {
}
@Override
public void volumeChanged(MediaPlayer mediaPlayer, float v) {
}
@Override
public void audioDeviceChanged(MediaPlayer mediaPlayer, String s) {
}
@Override
public void chapterChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void error(MediaPlayer mediaPlayer) {
}
@Override
public void mediaPlayerReady(MediaPlayer mediaPlayer) {
}
@Override
public void mediaMetaChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void mediaSubItemAdded(MediaPlayer mediaPlayer, libvlc_media_t libvlc_media_t) {
}
@Override
public void mediaDurationChanged(MediaPlayer mediaPlayer, long l) {
}
@Override
public void mediaParsedChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void mediaParsedStatus(MediaPlayer mediaPlayer, int i) {
}
@Override
public void mediaFreed(MediaPlayer mediaPlayer) {
}
@Override
public void mediaStateChanged(MediaPlayer mediaPlayer, int i) {
}
@Override
public void mediaSubItemTreeAdded(MediaPlayer mediaPlayer, libvlc_media_t libvlc_media_t) {
}
@Override
public void newMedia(MediaPlayer mediaPlayer) {
}
@Override
public void subItemPlayed(MediaPlayer mediaPlayer, int i) {
}
@Override
public void subItemFinished(MediaPlayer mediaPlayer, int i) {
}
@Override
public void endOfSubItems(MediaPlayer mediaPlayer) {
}
});