I am using LibVLC version 3.0.0 to play incoming mpeg2ts stream over rtp on Android. The code is the following:
SurfaceView playerView; //Initialized somewhere before
LibVLC libVlc = new LibVLC(context, arrayListOf("--file-caching=150", "--network-caching=150",
"--clock-jitter=0", "--live-caching=150", "--clock-synchro=0",
"-vvv", "--drop-late-frames", "--skip-frames"));
MediaPlayer player = new MediaPlayer(libVlc);
IVLCVout vout = player.getVLCVout();
vout.setVideoView(playerView);
vout.attachViews();
Media media = new Media(libVlc, Uri.parse("rtp://@:" + UDP_PORT + "/"));
player.setMedia(media);
player.play();
This does play the stream, but there is a delay of approximately 2 seconds. I know for certain that the delay can be reduced to ~300 ms as some other player can play it at this delay. Which options should I use to reduce this latency? I understand that I will have to trade quality for it, but how do I do it in the first place?
There is a way to reduce the delay from ~2sec to ~200ms
Solution:
ArrayList<String> options = new ArrayList<>();
options.add("--file-caching=2000");
options.add("-vvv");
LibVLC mLibVLC = new LibVLC(getApplicationContext(), options);
MediaPlayer mMediaPlayer = new MediaPlayer(mLibVLC);
Media media = new Media(mLibVLC, Uri.parse("rtsp://192.168.0.1:1935/myApp/myStream"));
media.setHWDecoderEnabled(true, false);
media.addOption(":network-caching=150");
media.addOption(":clock-jitter=0");
media.addOption(":clock-synchro=0");
mMediaPlayer.setMedia(media);
mMediaPlayer.play();
Hope this help you! =)
Using the following as options did the trick for me.
ArrayList<String> options = new ArrayList<>();
options.add("-vvv");
options.add("--rtsp-tcp");
LibVLC used:
implementation 'org.videolan.android:libvlc-all:3+'
I solved this problem.
Android:
val options: ArrayList<String> = ArrayList()
options.add("--file-caching=2000")
options.add("-vvv")
options.add("--rtsp-tcp")
Flutter:
class _MyHomePageState extends State<MyHomePage> {
final VlcPlayerController _vlcViewController =
VlcPlayerController.network(
"rtsp://RTSP_URL_HERE",
autoPlay: true,
options: VlcPlayerOptions(
rtp: VlcRtpOptions([VlcRtpOptions.rtpOverRtsp(true)])));
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