Vlc ffmpeg threads

The VLC media player is an open-source multimedia platform which is available in Operating system as well as in mobile such as iOS, Windows 10, Android, Linux and more. Well, these are pretty common issues that users are reporting in the forum thread. Along with solutions also get to know why VLC player not working and what can be done to make it work. There are numerous problems in VLC media player that interrupts you from watching videos.

Some of the common problems are stated below along with their solutions. Go ahead find which problem you are facing and solve it. Several ways are there to make your VLC work properly. Go through the solutions one by one to fix VLC not working properly Windows If your VLC lagging then you can fix this issue by following the solutions given below:. Some users have found saying that after disabling Hardware decoding their VLC player stuttering issue is solved.

Follow the steps to disable hardware decoding:. After performing the above steps VLC player shuttering issue will be solved. If you are facing Video lagging issue in VLC media player then simply change the output module by following the steps:.

vlc ffmpeg threads

This will take a minute trial but increasing the network caching rate will fix the scrambled video playback in VLC. If you are playing a video file from a network drive or an external or network drive or Windows 10 DVDthen try copying it to your desktop and then play it. This will work if the file that is played without any difficulties suddenly starts stuttering while playback. Sometimes, drives go into a sleep state and VLC stops working properly. So, it will be beneficial for you if move your media to local storage.

VLC media keeps crashing because of several reasons like unrecognized data including the problem with the pre-loading of MKV files.

If you are facing VLC player keeps crashing then follow the below-given solutions to fix crashing issue.

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Compatibility settings in Windows will allow you to run the programs in the current version of Windows. Follow the steps to do so:. If your VLC media player keeps crashing issue is not solved by any of the above-given solutions then try reinstalling VLC player to fix this issue. Many users are asking the same question why is my VLC player not working?

To solve this issue, go through the solutions provided below. To reduce power consumption if your PC is in Battery Saver mode, your usage of hardware is reduced. For the smooth playing of HD, video hardware demands more power. High performances power consumes access to power which drains battery life. So, to keep power supply at medium and also to have an HD video player you need to change power settings in order to extend battery life in Windows If you facing lagging issue in VLC media player with MKV file, then change the number of FFmpeg threads that are used for transcoding multimedia files to the value 2.

It is easy to use and improves Windows performances. Above provided solutions will help you to fix all VLC related issues. Apply the solutions one by one to get rid of VLC keeps crashing Windows Hope this article helped you in solving your VLC related issues such as crashing, lagging, scrambled video and more.

However, if you have any suggestion or questions regarding this article then feel free to share it in the below-given comment section. Being a professional badminton player, Bhupinder has won many awards in school and college level. During her college days, she also developed a passion for computer-related stuff which lead her to become a technical writer indeed.

She writes so that other people can benefit from her acquired knowledge.VLC 3. But very often, users can't play 4K video with VLC at all. Whatever, the format and size limit of 4K videos are still there, and the new release's higher requirement of the computer also brings challenges for some weak system.

As a result, the playback of 4K videos in VLC media player is usually choppy with errors like "can't play 4K video in MP4 model", and "video without sound", etc. Like we have said, VLC 3. Please make sure of its version 3. It depends on different Windows version and graphics cards to do updates. You should identify the model of your graphics card and go to its manufacturer's website, and follow their guide to download the right drivers manually.

Therefore, one of the most simple resolutions is to compress and convert 4K video to compatible H. To do that, we recommend use an easy and professional video editing tool - VideoProc. You can compress 4K video to various solutions like p,p,p,etc. Furthermore, the conversion speed would be lightning fast. Why not give it a trial, and follow the detailed steps below to make the job done? If you still can't play 4K video under this setting, you can try to higher threads number to 3 or so on.

If you still can't play 4K video under this setting, you can try to higher the file cache values, such as change file caching ms from to These 9 methods are pretty much all the possible solutions that we can collect for playing 4K video on VLC.

If you have another practical one, please share with us. And we will update it as soon as possible to help more users.

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Farrah Penn has been a copywriter at Digiarty since Because of the occupational requirement and personal interest, Farrah has carried on broad and profound study and researches to multimedia related stuff, popular electronic devices and multimedia programs in the market. If you are dropping hair out with those problems, here are 9 methods can help you: 1. Change the Hardware-Accelerated Decoding Setting 3. Update the Graphics Card Drivers 4.

Compress and Convert 4K Video 5. Change Skip H. Change Output Modules 8. Increase the Threads Number 9. Compress and Convert 4K Video 4k video playback requires strict with processor and graphics chip of a computer, even if the computer meets the requirements, you may find that problems come. Free Download For Win 7 or later. Conclusion These 9 methods are pretty much all the possible solutions that we can collect for playing 4K video on VLC.

Farrah Penn Farrah Penn has been a copywriter at Digiarty since By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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I set AVCodecContext as this:. And that's your bug. Please remove this line. Learn more. FFMpeg How to use multithreading? Ask Question. Asked 3 years ago. Active 3 years ago. Viewed 4k times. I want to decode H by ffmpeg, BUT finally I found the decode function only used one cpu core system monitor env: Ubuntu How can I use multithreading in FFMpeg?

Any advise? Wu NL.

4 Common VLC Media Player Problems & Its Complete Fixes

How do you measure how many cores are used? How do you decode frames? What version of FFmpeg?

vlc ffmpeg threads

How did you allocate pCodecParserCtx? Bultje Apr 6 '17 at Recv rtp stream use boost asio first, then decode by ffmpeg, show with opengl. I have added some parse and decode code. I just watch system monitor to measure cores usages, if I just decode video and no display, only one core work.

Active Oldest Votes. Ronald S. Bultje Ronald S. Bultje 8, 16 16 silver badges 38 38 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.Using dshow or ffmpeg as an input to NPVR? Posts: Threads: 13 Joined: May Hi, I've been scratching around trying to find an answer to this, but with no luck. Posts: 93, Threads: Joined: Nov Unfortunately NextPVR doesn't contain the components required to do this encoding and muxing for you, so this device isn't support natively.

You could possibly have ffmpeg or vlc do this encoding, like you're doing above, to produce a transport stream, sending it to udp, and configure NextPVR to use IPTV to access the channel via udp. Hi, thanks for replying Is that correct? Posting Freak Ontario Canada.

Posts: 32, Threads: Joined: May With v4 I suggest the network recorder add with sgraphrecorder might be easier. Still hoping for v4l2 support in future Linux builds to help with a variety of devices Martin. Yes, that is what I was suggesting. Just got a few other things to get done before then. Sorry I wan't meaning to sound like I was pushing you. I've almost got my VLC server up and running now It'll probably have to be udp.

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NextPVR could also do http, but ffmpeg would need to accept incoming requests, and I'm not sure they support that. How would you control a blaster with IPTV? View a Printable Version Subscribe to this thread. Linear Mode. Threaded Mode. Ex Bee MC. What does NPVR remove when naming recordings.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. The number of actual threads used by FFmpeg do not line up with the number I pass using the -threads argument.

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The number of threads used are consistent across both machines. If I set the -threads option on the input, it increase the number of threads used to 3. This somewhat makes sense to me since the input would use 2 threads and the output would use a single thread. This is where I start to get confused. If instead, I leave the input -threads at 1 and set the output -threads to 2, it uses 8 threads not 3 like I would expect.

If I add a second output with -threads 1it does not increase the number of threads used. Every incremental bump beyond -threads 2 will use an additional 3 threads e. Ultimately my question is why do the number of actual threads used wildly differ from the options I'm specifying.

vlc ffmpeg threads

FFmpeg always has one main thread which does most of the processing. In case of multiple inputs there are also input threads for demuxing 1 thread per input ; for single input demuxing is done on main thread.

Similarly, setting "threads N" on output enables multithreaded filtering and encoding which can spawn N additional threads for each filtergraph I think in older ffmpeg versions this was "up to N threads per each filter" and each encoder which supports it. There is also one important caveat - this only applies to encoders which do their thread management via ffmpeg; libx doesn't do that - it forwards requested thread count to the x library which does its own thread management.

Learn more. FFmpeg is using more threads than I expect when using -threads Ask Question. Asked 3 years, 4 months ago. Active 3 years, 4 months ago. Viewed 5k times. Using a single thread returns what I would expect: 1 thread is used. Tom Peters Tom Peters 81 1 1 silver badge 3 3 bronze badges. Active Oldest Votes. Short answer - these options don't exactly do that you think.

Long answer follows: FFmpeg always has one main thread which does most of the processing. Andrey Turkin Andrey Turkin 1, 5 5 silver badges 16 16 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.

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Thread starter moster67 Start date Feb 26, First Prev 2 of 5 Go to page. Rick Harris said:. In the FFMpeg thread you write: " You can then add the missing containers, demuxers, muxers and codec by building and recompiling the FFmpeg-libraries yourself ".

I have no idea how to do that. Some more guidance would be appreciated. Might be a good idea to rename "classes.

Just tested the library, it works great. I know this is a hobby project, but two things are missing to make the video player usable. The video rescales to the container's width and height.

This poses a problem when you don't know the size of the video. The standard videoview passes the height and width in an event raised after you start playing a video. If you want to show a movie in the correct aspect ratio, this is a must. The standard videoview also has a scrub bar that is shown underneath the video. I don't know if the VLC lib has something like that, that can be easily enabled or disabled?

If it's easy to add, this is a must as well. The wrapper is still in its "childhood" and in this case I need to write the underlying VideoView myself more or less from scratch and adjust it taking into account what is provided by the VLC MediaPlayer-class VLC has not implemented these classes in a similar fasion to Vitamio and IJK where they were all present and which simplified the wrapping.

Documentation:Streaming HowTo/Command Line Examples

In due course I hope to make it behave as much as possible as the standard VideoView-library. The standard version comes without all the codecs and I can't seem to find out how to compile my own version and add more of them.

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In the mean time, good luck with this one! Thank you. Hi, I have just tested this library and its actually impressive, I use vitamino, and FFmpeg, but they both dont seem to play video fullscreen from streams this however plays them all fullscreen and if not, centres the output as a TV would!

Well done moster67 Thanks Aidy. Hello Moster67, Any idea when you will release the next version? Every week I keep looking in the hope for an update and a solution for the bugs that I described in thread 11 and 12, but so far helas. I wish you lots of success with the next version! Yngveh58 Member Licensed User.

Sincerely Yngve.

[Fixed] VLC Media Player Not Working On Windows 10 - Video Lagging On VLC - VLC Not Playing Videos.

Try with official VLC android app and see if you have same problems and post back. Also, my wrapper is experimental and in early stage of development. One bug seems to be that it might not release the resources properly when stopping a stream and then starting a new one.Examples for advanced use of VLC's stream output transcodingmultiple streaming, etc Transcode a stream to Ogg Vorbis with 2 channels at kbps and Hz and save it as foobar. Display the input stream, transcode it and send it to a multicast IP address with the associated SAP announce:.

Transcode the input stream, display the transcoded stream and send it to a multicast IP address with the associated SAP announce:. Stream a SDI card to H. Send a stream to a multicast IP address and a unicast IP address:. This command sends the program of the input stream which id is to Transcode the input stream, display the transcoded stream and send it to a multicast IP address with the associated SAP announce and an unicast IP address:.

Send the input stream to a multicast IP address and the transcoded stream to another multicast IP address with the associated SAP announces:. Extract the audio track of the input stream to a TS file:. Note: You can also combine the es module with the other modules to set-up even more complex solution. The basic transcoding is an mp3 stream from the file you select if it is a video file, then the video is ignored. Navigation menu Personal tools Log in.

Namespaces Documentation Discussion. Views Read View source View history. Development Developers Corner x development Join the project. This page was last edited on 14 Marchat Easy Streaming. Advanced Streaming Using the Command Line. Receive and Save a Stream. Convert files to other formats. Stream a File.

Stream a DVD. Stream a DVB Channel. Stream from a DV Camcorder.


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