Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

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1answer
57 views

How to properly connect and configure PC to TV

When I connect my PC (Windows 7) or Mac (Yosemite) to my FullHD Plasma TV, it is properly recognized. However the whole experience is not as good as with a 'native' media player device. The following ...
1
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2answers
466 views

overlay transparent animation over video with ffmpeg

Overall task is to overlay animated infographics over video. What I would like as a result shown in this video http://www.youtube.com/watch?v=ZhMF3WD9pr0 Nice animated semi-transparent cyan line on ...
4
votes
1answer
113 views

Does digital video degrade over time like analog tape does?

Today it is not difficult to find an old VHS from 80s or 90s that has suffered slight or serious degradation in quality over time, but back to the time when it was brand new, it was usually perfect. ...
0
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0answers
29 views

ffmpeg: video4linux2 + pulse desync

I was able to get the Video4Linux2 driver to use my USB capture card, Roxio Easy VHS to DVD, but only the audio. I've given up on fixing that, so I'm using my microphone ports, with an RCA adapter. I ...
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0answers
78 views

FFmpeg / libav / Avconv settings to add higher contrast to a video

I successfully convert videos to mp4 from images turning the video black and white, is there a way to add contrast and brightness to balance the higher contrast so that it looks sharper? Here is the ...
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1answer
18 views

Is My Monitor Starting To Go?

I've had this monitor for just about 7 and a half years now (it was made in August 2007) and every time it comes back on after my computer has been in sleep mode, it would flicker and now sometimes it ...
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1answer
59 views

Does a graphics card affect video playback?

I'm looking at buying a new laptop, primarily for playing movies with VLC, browsing, using Microsoft Office, and a bit of coding. The trouble I had with my old laptop, (a dual core celeron running ...
0
votes
1answer
41 views

122 bytes added to mp4 files

I have 1200+ files in my hd, mostly videos, which I backup to an external drive. I sync these files with WinMerge. I have noticed that in one specific folder WinMerge now detects the 4 mp4 files there ...
0
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1answer
137 views

How to convert mkv file to mp4 with subtitles and changing DTS audio to AAC or AC3?

I'm very new to ffmpeg, so I have a few questions I hope you could help me with. I have some mkv files that I would like to copy to my PS3, so I have to convert them. Someone told me the easiest way ...
0
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1answer
133 views

Splitting audio on a PC with a multiple screen setup

I have 2 samsung pc monitors with build in speakers. What I want to do is play 2 different videos with one PC. One video on the first Samsung PC monitor and another video on the second samsung PC ...
0
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0answers
9 views

Changing the default decoder aac(native) into aac(libfdk_aac) or aac(libfaac) [duplicate]

Is is posible to change default decorder of ffmpeg? If I use ffmpeg -i pipe_video.fifo -i pipe_audio.fifo -c:v copy -f flv file.flv ffmpeg automatically changes aac(native) into (mp3)libmp3lame ...
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0answers
76 views

How do I broadcast webcam footage with a 1 hour delay in VLC?

For an art project I am looking for a way to continuously view the footage from my webcam with a delay of at least 1 hour. I am no expert at all, but I thought maybe it would be possible to record a ...
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0answers
30 views

Play video on Atom Netbook

I have choppy effect during play video on Atom Assus EEE PC flare series 1025 with Ubuntu Linux. I was trying to play with default player and VLC one. The same net book plays the same video under ...
1
vote
1answer
355 views

Player for playing .mp4sub files

I have just downloaded a bunch of .mp4 files, which are accompanied by .mp4sub files. There are exactly three .mp4sub (named b, c and d) files for each .mp4 (named a). Example pattern: a_Astra.mp4, ...
0
votes
1answer
163 views

how to fix ffmpeg inaccurate time stamp that corrupts thumbnail generation

So this is intreasting i recieved a video upload today with a time stamp of over a hour when i checked the video its only 8mins long. "C:/server/ffmpeg/bin/ffmpeg.exe" -i ...
1
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1answer
32 views

Can ffmpeg capture a frame from a part of a video that's been split?

I have a video file split into many small files with the split command (then I can merge them with cat). split --bytes=100M video.mp4 new Now I want to take a snapshot of the beginning of each ...
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0answers
69 views

How can I make a video “seekable” using ffmpeg when played in VLC player?

I have a .mkv video with the following properties: Input #0, matroska,webm, from 'DEMO.mkv': Metadata: ENCODER : Lavf56.4.101 Duration: 00:00:56.37, start: 2.333000, bitrate: 2032 ...
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0answers
78 views

my own tv news channel - using vlc streaming

I want to create my own tv channel (using vlc streaming). And for now - it works great: cvlc --sout-keep --loop --sout '#standard{access=http,mux=ts,dst=:2000}' file.avi But i have two problems: ...
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0answers
41 views

Improve Chrome Local Video Playback Performance

In order to use my new ChromeCast device to play back local videos, I have installed the ChromeCast app on my Chrome browser (on a MacBook Pro) and it all works when I open a local video file in the ...
0
votes
0answers
263 views

How to join two videos with a cross-fade effect using FFmpeg?

I want to merge two video files with a cross-fade effect between them (just about a second long), but without fading to black or white or any colour at all - it has to be a smooth transition from one ...
0
votes
0answers
13 views

Audio playback file length doubled

How come when I load This Music File, the length in the player says it's length is 4:41 but when I right click > save as then open the file it's length has been doubled, so that the 2nd half of the ...
0
votes
1answer
20 views

Add animation to a Powerpoint slide after a video gets over?

Basically I have a video which I'm playing inside a slide, and I need this video to fade away once it finishes playing to reveal the text box behind it. I cant think of anything, or find any option ...
0
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0answers
112 views

All videos show a black screen - Chrome 39.0.2171.95

This is a problem (a rather annoying one) that I've had in Chrome for several months (and probably several versions) that I have found no satisfactory answer (i.e. no answer that works) on several ...
0
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0answers
34 views

Flash is reducing the volume on external Video Playback

I have been noticing this for some time, but have been unable to diagnose the cause until now I use the secondary video output on my desktop to facilitate my own tv channel for my family (a custom ...
5
votes
4answers
148 views

How to automatically create Windows thumbnails recursively?

I am using Windows 8.1 with Windows Explorer. The image cache ("thumbs.db") is created when I visit a folder containing video, photo, or other such files. I have a problem with this because I have ...
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0answers
13 views

Chromecast stucky when playing local video

I want to cast a local video on my Macbook computer to TV via Chromecast. I did it by opening the video file with Chrome with Cmd+O command, and casting it via the Chromecast extension of Chrome. It ...
0
votes
1answer
150 views

ffmpeg constant rate factor for different webm qualities

So i came across the following question What is the right way to calculate 1080p 720p 360p 240p quality? But that is for H264 MP4 files. For MP4 files i set the -crf constant rate factor as 18 for ...
0
votes
1answer
77 views

Join and encode files with ffmpeg

I want to join 3 files but every file is a different compression format (xvideo, theora, x264) and they are different resolution. I used this guide before but as far as I know it is only when the ...
1
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1answer
82 views

“Play To” to play HEVC files

Currently I can play any HEVC encoded video using VLC via HDMI cable on any target. But since I have a fancy 55LA620S smart TV that supports the "Play To" feature in Windows 8, I'd like to exploit ...
3
votes
1answer
89 views

Using ffmpeg to Stretch the Contrast of a Video

I'm trying to implement what was suggested here: ffmpeg: adaptively stretch contrast The method I thought of is: Separate the L, U and V channels. Apply histeq to the L channel. Recombine the ...
0
votes
1answer
48 views

Do i lose quality when checking “always fit to window”?

I am using vlc to watch the second season of Game of Thrones and i'm wondering if i can set/check the resolution i am running. Also my image which seems like 1080p is a lot smaller than my window ...
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0answers
40 views

Importer screen stays empty

I'm trying to record my old video tapes on my computer, using the Pinnacle Studio 700 PCI Card and Windows 7 Ultimate (SP1, 32 bits). The PCI card is recognized as Pinnacle AV/DV2 and the most recent ...
0
votes
1answer
85 views

On a 720p monitor, should it be possible for me to see 1080p? Or at least the difference between the two?

I have a native resolution of 720p on my budget HP 2000 laptop. Why can I tell the difference between 720p and 1080p? Is it not correct that with a maximum resolution on my monitor of 720p, I should ...
0
votes
0answers
103 views

Shockwave Flash not responding

When I am trying to load video from multiple site i get the notice "A plug-in (shockwave flash) isn't responding". I have looked up solutions on multiple forums and sites and nothing has worked for ...
1
vote
1answer
13 views

Get Video Feed of a Window on Desktop

For an art installation, we'd like to capture the contents of a browser window, and forward these as a video stream. The browser window will display flash animations. Is there a program that can ...
2
votes
1answer
60 views

How to create custom thumbnail cover of a video?

I wish to create a custom thumbnail of my movies and other video, just like the one used by TED talks. The example below will illustrate, the video on the right handside is one of the video from TED, ...
0
votes
1answer
93 views

ffmpeg using “-shortest” flag, file ends up longer than input file

I am attemping to use ffmpeg to add a silent audio track to a video file (Instagram requires video files to have an audio track to allow them to upload, for whatever reason), and I am using the ...
5
votes
1answer
666 views

Not able to play a mp4 video purchased from Google Play

I purchased a movie from Google Play, then used Ant Video Player to download it. It's in MP4 format (or, at least, has an MP4 extension). When I try to open it in Windows Media Player, I get the error ...
-4
votes
2answers
48 views

Trying to find a video card that's compatible [closed]

Below are the specs for my computer, I recently got a 200$ gift card from walmart and need to find a graphics card that's compatible (Preferably within the 75$ range). MODEL PCV-RS420 PROCESSOR Intel ...
0
votes
1answer
126 views

ffmpeg mov (ProRes) to mp4

I have a .mov file that I am trying to convert to mp4 or avi and having a lot of issues. These are files that were given to me to convert 8mm to digital. I am very new to ffmpeg and conversions. ...
0
votes
1answer
71 views

Does discrete video card use motherboard monitor connector too?

I have Gigabyte GA-B85M-D3H motherboard (MB) with installed GTX770 discrete video card. Both MB and video card have sockets to connect monitors. Are these sockets equivalent? For example, if I play ...
0
votes
1answer
64 views

Windows 8 or Nvidia issue: Part of screen fades out to gray

I have this very weird issue that occurs on my machine, and it's easy to reproduce: Method 1: Go to Youtube or another video site play a video the rest of the screen fades out to gray The video ...
2
votes
0answers
81 views

FFmpeg cuts off ~50ms when I extract+convert audio from video

I want to extract the audio stream from many .MOV files with ffmpeg. The goal is to have output files with small file size and perfectly equal sound to the input file. Currently I'm using this ...
0
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0answers
40 views

No video output after BSOD dxgmms1.sys

Today I have paused a (GPU heavy) computer game for a couple of hours. When I returned to my computer, a BSOD was showing mentioning dxgmms1.sys. I had no other choice than to reboot my computer. But ...
0
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1answer
626 views

Play UDP stream in VLC?

I receive an UDP video stream of which I know both the IP adresses and the incoming and outgoing ports of both computers. How can I plat his in vlc? udp:@:1234 Doesnt work for me. How to fix this?
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votes
1answer
123 views

Downloading a Video Clip referenced by a .swf file

I bring up web page: https://www.facebook.com/video.php?v=10152432831365653&set=vb.618775652&type=2&theater This web page has a 'window' for playing a video clip. Using Firefox menu entry ...
0
votes
2answers
146 views

Change framerate on MKV container

I got a problem with playback of some MKV containers (89 items, totalling 196,3 GB). The audio+video are encoded in 25 fps, but the subs are totally out of sync - these are encoded on 23.976 fps. My ...
1
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1answer
50 views

Can I resize, pad a video and overlay an image in one step with FFMPEG?

I have an input video that is recorded at 640x360 (it's from a webcam if that makes any difference). I want the output to be 1280x720 (double the width of the original) and I want the original video ...
0
votes
1answer
51 views

Powershell script to open random video

I was looking for a way to open random video file in my folder which has about 400 videos (20 videos in 20 subfolders). I found a powershell script and managed it to work, but every time I run it I ...
0
votes
0answers
34 views

How is an HDMI signal converted into video and audio?

How does a display interpret HDMI signals and update its pixels to the right configuration? I would like to write a native C program to perform this task. I am trying to build a video streaming device ...