4 posts • Page 1 of 1. kovibe New Cone Posts: 2 Joined: Thu May 30, 2013 1:00 pm. Figure 1. Copyright 2020 AdvancedDigital Inc. All Rights Reserved. Make sure that the documentation matches the LibVLC version. vlc -vvv video1.mp4 --sout=#transcode{vcodec=h264,vb=800,acodec=mpga,ab=128,channels=2,samplerate=44100}:udp{mux=ts,dst=224.0.0.1:1234} But when I start a 2nd vlc instance with: Code: Select all. Does anybody have an idea why? Please refer to the Doxygen documentation, which is the reference documentation. It will be a great help thank you. Someone necessarily lend a hand to make severely articles I’d state. Save all changes after the minor edit (File – Save all). This forum is about all development around libVLC. Otherwise, I need to recompile and I have compilation issues. I have just added a high-resolution capture of my application running almost full screen and streaming live video at 30 frames per second in Figure 8. I have everything working as it should but the video hangs up if I move the camera around too much or if make too much of a scene change. If you have any further questions please contact us at sales@advanceddigital.ca. I am using Olimex-A13-Olinuxino-Micro board with debian OS (No GUI)… Now, I have a question that, If I go through above steps, Can I succeed with that.??? Please note that for this to work the local network must be capable of supporting multicast. In the Media menu, choose “Stream” In the Open Media dialog file tab, click “add” and choose the file you want to stream and click “Open” At the bottom, click the “Stream” button; This opens the “Stream Output” dialog showing the source file you have chosen. The VideoLAN streaming solution includes two programs: VLC media player which can be used as a server and as a client to stream and receive network streams. 1) The examples shown here is capturing images or videos through BBB, but sending it to a desktop, through network communication, and displaying it in the display of desktop.Is it possible to capture images or videos through BBB, and display it on an LCD display, interfaced to BBB, through its HDMI port, by doing a little modifications in the associated scripts. – Add the path to my MinGW executables and dlls to my PATH environment variable. my project is stalled half way because i cant proceed to next parts. This module saves the stream to a file or sends it over a network, after having muxedit. ), Thank you very much for these tutorials. In most cases the first thing we do is ask the customer to confirm that their setup works with VLC, because if it works with VLC then their issue is most likely not IP networking related. please someone answer this. Receive an HTTP/FTP/MMS stream. Having no idea what Raw is (I mean in bits and bytes) I chose TS with H.264 video and AAC audio codecs. According to the VLC streaming matrix, UDP limits the available containers to MPEG-TS and Raw. I’m looking for a line-scan camera that can run at 200 fps (lines) or faster. Figure 3. EDIT: Did some digging, the RTSP stream that I'm reading from my Axis Camera through this Library is definitely reading in through UDP. Have you ever thought "I can easily show this camera stream in vlc, why is there no ROS driver for it?". I have tried several, but had particular success with these two: The reason I selected both of these is that I was able to download the source code for both and was able to recompile them from source under Windows. So, in Figure 7 I connect to my unicast UDP stream (see previous posts) by entering the address: udp://@:1234 into the “Open URL” pop-up dialog box. For Eg: in the script file streamVideoRTP, can the line “./capture -F -o -c0|avconv -re -i – -vcodec copy -f rtp rtp://192.168.1.4:1234” be modified in someway to achieve this? How can i fix it? Here is the complete description of VLC's command line and how to use it. For the multicast streaming, the address used is usually from the range of local administrative multicast IP addresses (e.g. For example, If you wished to build a robot navigation system that streams video to the control panel then it would not be possible to modify the VLC user interface very easily. You can rate examples to help us improve the quality of examples. I've found some example and used it LibVlc.cs. VLC Player makes a great streaming video player, but sometimes it can run into spikes in the stream buffer. Conversion: The transcoding options box will appear. In my case everything is working fine. You need to be quite comfortable with command lineusage to use this. LibVLC is an incredibly comprehensive and accessible code library for all of the features that are present in the cross-platform VLC multimedia player. When I read a simple .mp4 file (read binary and then converting the string to byte … Select the destination(s) for your stream from RTSP, RTP or UDP and then press the "Add" button. I copied these from my folder C:\Qt\vlc-2.0.7 which I discussed in Step 1. Cheers, Its nice However, you dont have access to all the control you would need. I would like to replace the laptop by a Beaglebone black. vlc doesn't "see" udp stream after rtsp changing scale. So, my adapted source files look like this: QtCreator allows you to easily switch between different “kits”, which are different compilers and compiler configurations. VLC then connects to this group on a specified port and plays the stream(s). I downloaded source version VLC-Qt 0.9.0 and use cmake 3.1.0 rc1 gui to complie but not work. On the laptop I have to use W7 as the Linux versions I tried have too much latency. For this reason and because I really, really like Qt as an extension to C++, giving multi-platform user-interfaces, threads, sockets, etc. Overview of the VideoLAN streaming solution. C:\Qt\libvlc-qt\src\examples\build-demo-player-Desktop_Qt_5_5_1_MinGW_32bit-Debug\src\debug\demo-player.exe exited with code 3”. You can see my configuration in Figure 2. If you wish to replace this image vlc -vvv video2.mp4 - … Code: Select all [00007f2f440011f0] x264 encoder: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX [00007f2f440011f0] x264 encoder: profile Constrained Baseline, level 3.0, 4:2:0, 8-bit [00007f2f440011f0] x264 encoder: final ratefactor: 38.99 [00007f2f440011f0] x264 encoder: using SAR=1/1 [00007f2f440011f0] x264 encoder: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 … I spent a lot of time searching but I couldn’t find. So, the directory looks like: So, in this folder we now have all of the libraries that are needed for the Qt project. QtCreator has some very nice IDE features, such as editing the user interface (See Figure 3). Hi, i have the same error as Johnny March 10, 2014 at 2:54 pm and can’t found the issue. You can see that the window now has the title “Beaglebone Video Streamer”. My output is captured in Figure 6. Dr. Derek Molloy is a senior lecturer in the School of Electronic Engineering, Faculty of Engineering and Computing, Dublin City University, Ireland. Generate a .lib for using libVLC on Windows(before libVLC 2.1.0) Any advice would be awesome! **抓包记录:** OPTIONS rtsp://10.0.5.182:5454/h264.avi RTSP/1.0 CSeq: 2 User-Agent: LibVLC/2.2.4 (LIVE555 Streaming Media v2016.02.22) RTSP/1.0 200 OK CSeq: 2 Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE DESCRIBE rtsp://10.0.5.182:5454/h264.avi RTSP/1.0 CSeq: 3 User-Agent: LibVLC/2.2.4 (LIVE555 Streaming Media v2016.02.22) Accept: application/sdp RTSP/1.0 200 OK CSeq: … Note, it will not run yet! Hi i got the same errors as johnny and raja. I have a problem with starting more than one UDP multicast stream at the same time. It would not be an exaggeration to say that 99% of all support questions are in fact related to incorrect networking setup. Here is the stack of calls: - release_input_thread( p_mi, true ); - input_Close( p_input_thread ); - input_Join( p_input ); - vlc_join( p_input->p->thread, NULL ); - vlc_sem_wait (&handle->finished); // block forever This does … Put your Management and Streaming Ports on Different Networks, Using VLC with Multicast and Unicast UDP Streams, Introduction to FFMPEG for Broadcast Engineers, Put Your Existing UDP/RTP Encoders on the Internet. The above assumes that VLC on your computer is listening on an incoming port 5000 for UDP streams. In a multicast configuration the Encoder/Gateway sends the UDP stream to a multicast group, such as: 238.1.1.1. Good evening sir! I’m building a digital FPV system: HD camera in the multicopter, professional long-range WiFi link, with display on a laptop. The demo-player project open in QtCreator 2.7.2 (Qt 5.1.0 32-bit). Then this is exactly the right place for you. (if not, you can build it from the source code) Some further topics are covered here: 1. To make life easy I would recommend using the pre-built versions. libvlcnet -- play MPTS udp stream . Figure 5. When it is I will link everything together. I use a libvlcnet c sharp wrapper that play a stream (udp). Hi! So maybe somebody works with VLC for videobrodcasting I would like if you are Advise any examples. So, within the folder C:\Qt\libvlc-qt\src\examples\ there is a folder called demo-player, which I am going to use for the rest of this example. This is a sample code to play media files using libVLC with Delphi (test with Delphi XE2 VCL form, VLC 1.1.11). AdvancedDigital Inc. offers equipment and services for the digital video broadcasting industry. In these setups I am using the regular VLC player to receive and display the video streams (RTP, UDP unicast and UDP multicast). C:\Qt\libvlc-qt\src\examples\build-demo-player-Desktop_Qt_5_5_1_MinGW_32bit-Debug\src\debug\demo-player.exe exited with code 3” How can i fix it? I try to play UDP stream by LibVLC in Android Box but I have some problem. In my case I am going to change the frame title to “Beaglebone Video Streamer”. For more information on Qt – see this link. Transcode a stream to Ogg Vorbis with 2 channels at 128kbps and 44100Hz and save it as foobar.ogg: % vlc -I dummy -vvv input_stream --sout "#transcode{vcodec=none,acodec=vorb,ab=128,channels=2,samplerate=44100}:file{dst=foobar.ogg}" Transcode the input stream and send it to a multicast IP address with the associated SAP announce: … But when i run the demo-player.exe the output is : “Starting C:\Qt\libvlc-qt\src\examples\build-demo-player-Desktop_Qt_5_5_1_MinGW_32bit-Debug\src\debug\demo-player.exe… QWidget: Must construct a QApplication before a QWidget Invalid parameter passed to C runtime function. In VLC 1.1.11 media -> straming \/ capture device tab - drop capture mode to: desktop \/ set 25 fps \/ pressed "stream" button 1st option window: source was "screen://" - i press next button 2nd option window: destination was setted to udp and pressed to the "add" button -> … Using local network and any streaming format (RTP,UDP etc) Did you experience this. The output from the Application Output Pane is: And it is possible for me to connect to my RTP video stream using the Open Local File button and to my UDP (Unicast or Multicast) streams using Open URL. Great guide! Great guide! At this point you should have a successful build, but it is unlikely that your application will run unless you have made all of the run time dlls available (under Windows) for your application. It seems to happen on any resolution as well so I don’t know what to think. And we can! Thanks, please send me a short … But when i run the demo-player.exe the output is : “Starting C:\Qt\libvlc-qt\src\examples\build-demo-player-Desktop_Qt_5_5_1_MinGW_32bit-Debug\src\debug\demo-player.exe… QWidget: Must construct a QApplication before a QWidget Invalid parameter passed to C runtime function. Invalid parameter passed to C runtime function. I've got a problem trying to use vlc as rtsp-client. I will have a video soon available of my blog series on streaming video in place soon. You can even downl… It seems that either VLC or the axis camera defaults to TCP if it can't find a way to use the UDP connection. Ask vlc to play rtsp url. I downloaded the “Official VLC-Qt Windows SDK and Source Packages” (http://sourceforge.net/projects/vlc-qt/files/), when I extracted, the folder isn’t contain the sub-folder /lib, /include, /bin, /src like you. Post by kovibe » Thu May 30, 2013 1:25 pm . Click Next to set destination. I am able to receive the stream videos in my program, The source code for receiving the streaming video is given below It'…, Electronic Engineering Education and Innovation. Please make sure that your encoder/gateway is sending to this port and that all proper firewall rules are in place.
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