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by DonMcL
29 Sep 2017 19:16
Forum: VLC stream-output (sout)
Topic: stream file without recoding
Replies: 2
Views: 577

Re: stream file without recoding

Thanks, That sounds exactly like what I need. But I think I need help with the exact command line. I just tried the following using vlc 2.2.6 on Windows: 1) vlc -vvv Desktop\video720q10.mp4 :sout="#standard{access=rtp,mux=ts,port=5004,dst=192.168.20.47}" vlc did not report any errors, but ...
by DonMcL
28 Sep 2017 21:29
Forum: VLC stream-output (sout)
Topic: stream file without recoding
Replies: 2
Views: 577

stream file without recoding

Hi, I have a file that VLC Codec details tell me is H264, and the Playlist says the duration is 2:32. The file is 96395895 bytes, so the encoded avg bitrate is just over 5 Mbps. I want to send this file over an RTP stream across a narrow-band network. Q1. It seems to me that VLC opens the file, read...
by DonMcL
17 Jul 2017 16:47
Forum: VLC media player for Windows Troubleshooting
Topic: Start RTP streaming from the command line on Windows
Replies: 4
Views: 3213

Re: Start RTP streaming from the command line on Windows

Hi Berkely, On Windows the command I posted pops open the VLC GUI and gets all the setting right and will start streaming if in the GUI I click the play button in the GUI. But we need this to be started from a script (so there will be no user to press play). Are you saying if we set this up as a pla...
by DonMcL
14 Jul 2017 22:08
Forum: VLC media player for Windows Troubleshooting
Topic: Start RTP streaming from the command line on Windows
Replies: 4
Views: 3213

Start RTP streaming from the command line on Windows

Hi, I have been successful getting vlc to start streaming an RTP on linux using the following command: vlc -vvv filename.mp4 --sout '#rtp{mux=ts,dst=142.92.38.100,sdp=sap,name="TestStream"}' Using this verbatim on Windows did not work. By using the4 GUI media->stream I was able to manually...
by DonMcL
13 Jul 2017 15:27
Forum: General VLC media player Troubleshooting
Topic: Viewing RTP/UDP stream with VLC
Replies: 7
Views: 56529

Re: Viewing RTP/UDP stream with VLC

Currently on our development network I am able to send/receive with no problems using the following setup: Sending from Ubuntu vlc version 2.0.8 with the command: vlc -vvv long*.mp4 --sout '#rtp{mux=ts,dst=DEST_IP_ADDRESS,sdp=sap,name="TestStream"}' Receiving on Windows7 vlc version 2.2.5....
by DonMcL
11 Jul 2017 21:53
Forum: General VLC media player Troubleshooting
Topic: how to get VLC to send RTCP Sender reports
Replies: 6
Views: 1643

Re: how to get VLC to send RTCP Sender reports

Hi Remi, It looks like I grabbed the wrong end of the stick (ok link). It appears it is WinPcap / Win10Pcap that is using unsynchronised timestamps in their struct pcap_pkthdr. I was fooled because they put the timestamps into a struct timeval, which I wrongly assumed came from gettimeofday(). So it...
by DonMcL
11 Jul 2017 19:43
Forum: General VLC media player Troubleshooting
Topic: how to get VLC to send RTCP Sender reports
Replies: 6
Views: 1643

Re: how to get VLC to send RTCP Sender reports

Hi Remi, > The only practical use of RTCP-SR is to synchronize multiple sessions. With MPEG-TS, there is only one session, and all the elementary streams are synchronized via MPEG-TS own clock. So RTCP-SR is useless. As I said, I was not using RTCP to synchronise multiple sessions. I am using it to ...
by DonMcL
10 Jul 2017 21:50
Forum: General VLC media player Troubleshooting
Topic: how to get VLC to send RTCP Sender reports
Replies: 6
Views: 1643

Re: how to get VLC to send RTCP Sender reports

Sorry for the late follow-up. I've been working on other things. 1) Please explain "With that said, RTCP is mostly useless if you mux as MPEG-TS." (I'm really just using the RTCP NTP timestamp and txTs, and RTCP txTs to gather packet level stats.) 2) I am currently using the following comm...
by DonMcL
24 May 2017 20:27
Forum: General VLC media player Troubleshooting
Topic: how to get VLC to send RTCP Sender reports
Replies: 6
Views: 1643

how to get VLC to send RTCP Sender reports

Hello, By using the following command: vlc -vvv ts/hobbit*.mp4 --rtcp-port 0 --sout '#rtp{mux=ts,dst=DEST_IP_ADDRESS,sdp=sap,name="TestStream"}' I've been able to use the RTP sequence numbers to obtain stats on number of video packets received, received outside a receive window, received o...
by DonMcL
01 May 2017 18:07
Forum: General VLC media player Troubleshooting
Topic: vlc streaming and stats
Replies: 2
Views: 997

Re: vlc streaming and stats

1) Is there a better forum I should post questions like the following to? 2) Wireshark does not seem to know how to decode the mpeg1 .ts container format generated by the command: vlc -vvv *.ts --sout rtp:<DEST_IP_ADDR> Does anyone know of a plugin for wireshark that can decode these? I ask because ...
by DonMcL
24 Apr 2017 22:49
Forum: VLC media player Feature Requests
Topic: Extended (packet level) stats
Replies: 0
Views: 266

Extended (packet level) stats

Background: We are looking at demoing the potential use of LTE at 28 GHz. Those who must be obeyed want to use a video app as test traffic. (We're expecting vlc). We can get physical level stats like receive level/SNR etc from the radios. We can get video layer stats from vlc (bytes read, frames dis...
by DonMcL
21 Apr 2017 21:27
Forum: General VLC media player Troubleshooting
Topic: vlc streaming and stats
Replies: 2
Views: 997

Re: vlc streaming and stats

Made some progress. Now using the following 2 commands to send data between the two hosts (VMs): vlc -vvv hobbit2-trailer.mp4 --sout '#rtp{mux=ts,dst=unicast-dest-ip}' vlc -vvv rtp:// --vout dummy The receiving instance of vlc will still provides video frame and audio frame stats (but the sender doe...
by DonMcL
21 Apr 2017 17:18
Forum: General VLC media player Troubleshooting
Topic: vlc streaming and stats
Replies: 2
Views: 997

vlc streaming and stats

Hi, We are trying to use vlc in a test and we are trying to gather stats. using the following 2 commands we are able to get vlc stats with the stats command after running: vlc -vvv hobbit2-trailer.mp4 --sout udp:[dest-ip] vlc -vvv udp://[src-ip] --vout dummy We are hoping to get latency and PDV (or ...

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