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

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1answer
13 views

setting PowerPoint 2010 slide show to HD dimensions

I am trying to do a screen capture of a PowerPoint 2010 slide show, but I notice that the full screen view of the slide show is closer to a square in shape, with black on both sides of the slide. ...
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0answers
13 views

Best Tools for Video Conversion [on hold]

I have some DVDs and want to convert .mkv (in best quality). Which application should use for Best quality with less size of movies. Please advise
0
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1answer
24 views

Joining 2 videos using ffmpeg

My command is: ffmpeg -y -i 2.mp4 -i 2.mp4 -filter_complex '[0:0] [0:1] [1:0] [1:1] concat=n=2:v=1:a=1 [v] [a]' -map '[v]' -map '[a]' output.mp4 the result is: ffmpeg version N-50911-g9efcfbe ...
1
vote
1answer
17 views

Cut video freezes for first 8 seconds

I tried cutting my video using ffmpeg with this command: ffmpeg -i source.mkv -ss 01:02:37.754 -map_chapters -1 -c:v copy -c:a copy -t 00:04:52.292 output.mkv The only problem is the final video ...
0
votes
3answers
21 views

Rotate a video with ffmpeg is slow

I am using ffmpeg for rotating a video 90 degree so input this code ffmpeg -i in.mp4 -vf "transcode=1" out.mp4 This is so slow like re-encoding. I added -c copy to make it fast but I have had an ...
0
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1answer
18 views

ffmpeg recompile video and voice

I am using Ubuntu vivid on my laptop and I want to recompile audio and voice with delayed audio. Movie was late comparing to audio. I demuxed voice.aac and video.h264 from orginal video. I know that ...
1
vote
1answer
22 views

How can I scale an overlay within an ffmpeg filtercomplex?

I would like to apply a PNG overlay (watermark) to an arbitrary video file using ffmpeg. I would like the video to stay its original size (which I don't know ahead of time), and the PNG to be scaled ...
0
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3answers
35 views

What Level of Video Card do I need to run 2 Dell Ultrasharp U2415 Monitors [on hold]

I'm going to be purchasing a new desktop computer soon, and I'm getting 2 Dell Ultrasharp monitors. These are 24" 1920x1280 monitors. I'm going to be doing web development, and maybe watching 1080p ...
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0answers
22 views

RCA to USB Hardware for PC translation

I'm looking for some hardware that I can interface with via C/C++ using RAW Input--or existing API--to pull the converted RCA stream from the RCA to USB converter hardware so I can stream from these ...
0
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0answers
8 views

How to remove/hide the “featured video” from an youtube embed? [migrated]

If you have activated the (featured video)[https://www.youtube.com/featured_content] option in youtube, there will be a little banner to the end of each video. Example: How to disable this from ...
-1
votes
1answer
43 views

How can I download this tricky, non-YouTube flash video?

Flash video in question is here. I'm using the latest version of Firefox on Windows 7. As stated, the video is not from or on YouTube. I've poked around Firefox's cache and could not find any .swf or ...
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0answers
30 views

How do I download the entire contents inside an URL?

First, excuse my English if I saying anything hard to understand - I haven't been using the language for a long time. I know it's not necessary to say this, but you know, I just wanted to be caucious ...
0
votes
0answers
12 views

Ip-camera viewer shows a black screen on the panel

I am trying to build a windows based IP Camera application in ASP.NET (4.0) I have tried the below code but showing black screen on the panel. How can I solve this issue.! please help me.. Here I ...
0
votes
1answer
48 views

FFmpeg editing video on the fly

I am trying to make loop video on Android tablet which has ubuntu 15.04 installed in chroot. There are ffmpeg and all Linux tools are available. The problem that I have very limited space and ffmpeg ...
0
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0answers
24 views

VLC h265 failure to display

In VLC 2.2.1, an MKV file fails to show video, playing audio OK. Error message: Codec `hevc' (MPEG-H Part2/HEVC (H.265)) is not supported. http://pastebin.com/7duQbH6S has the verbose debug ...
1
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0answers
22 views

IPS LCD Left-side Interlaced Dark Pixels

I purchased three i2367fh IPS panels from AOC a few years ago, one of which had a leaky backlight; But once that was replaced, the new panel began intermittently mudding up the video signal on the ...
0
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2answers
21 views

Windows program to view all monitors and interact with them

So I have looked all over for a solution for this and I am just about convinced that one doesn't exist. Basically this is the scenario: In the company I work for one of my bosses asked me to set up 4 ...
0
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0answers
21 views

Screen recording software which is able to record in 1440p [closed]

I'm seeking for a solution which is able to record my whole screen. The main problem seems to be the resolution. Things I tried: SRecorder: no comment CamStudio: was not able to do this right Open ...
1
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0answers
16 views

Getting same quality with “baseline profile”?

I have a couple of videos taken in H.264 using the high profile and I want to convert them into a baseline profile while keeping the same quality and size so, that they can be easily played on an ...
0
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2answers
49 views

FFmpeg - Concenating audio files with spacing

edit3: please look image: http://i.stack.imgur.com/XdZ9G.png Each audio clip has same codec/sample_rate, but has different duration and each space is also different. There is always space between ...
0
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0answers
7 views

Is it possible to use Firefox with HTML5 videos (video/mp4) without KB968211?

I'd like to play HTML5 videos of type video/mp4 (i.e. not video/webm or video/ogg which work fine already) without installing KB968211. I use the KN edition of Windows 7 and quite intentionally so. ...
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0answers
11 views

How can I edit video (specifically mp4) metadata?

I have a few video files that are 1080p video files, but for some reason, they don't have any metadata for bitrates (audio, video, or total) or anything like that. I first noticed this when I looked ...
0
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0answers
29 views

FLV .h264 video timestamp from mkv

I write my own converter from MKV (h264 video, linear 16 bit little endian PCM audio) -> FLV (with samke codecs for audio and video). I have some trouble with video timestamp. From MKV format ...
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0answers
14 views

Streaming videos from a Ubuntu to Chromecast

I have a MiniDLNA 1.1.4 setup on an ubuntu 14.04. I also have a Chromecast. I would like to be able to stream a video on my local server to the Chromecast like I do with Netflix. I have downloaded a ...
0
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0answers
77 views

Flash Videos flickering in Firefox on Fedora 22

I have a Lenovo X230 laptop on which I have installed Fedora 22, with KDE 5, updated with the latest patches. I have installed the latest available 64bit Flash Player from the official Adobe ...
0
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0answers
33 views

VLC Media Player has stopped working [closed]

VLC player stops working as soon as I try to open a Video file. I have tried many types of video files and there was no chance... As soon as I try to open a video file, VLC crashes and windows pops ...
0
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0answers
23 views

Firefox HTML5 replay with artifacts

Strange thing is happening for quite some time now with my Firefox when playing HTML5 videos. First play of video is flawless, but when I click on replay on Youtube or Firefox automatically replays ...
0
votes
2answers
56 views

How to set output of FFmpeg to output of a video card instead of a file? Is this possible?

I have an UltraStudio-SDI video card and I can capture with this command : ffmpeg -f dshow -video_size 720x576 -framerate 60 -i video="Decklink Video Capture":audio="Decklink Audio Capture" -r 30 ...
0
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0answers
32 views

I'm trying to extract frames from an MP4 using VLC; it is only extracting frame one

I'm trying to extract frames from an MP4 generated by a Swann security camera using VLC. I'm using the following command line string: vlc C:\video\01.mp4 --video-filter=scene --vout=dummy ...
0
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0answers
30 views

FFmpeg: Is there a method for displaying multiple live video sources in real time without lag/latency?

I'm playing around with a script that would take three live video inputs -- one instance of X11grab and two webcams -- and output them to separate XV windows: One output for each camera at 1280x720, ...
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0answers
8 views

no video output, don't even know what's going on

today i take an old computer that my neigbord sent to the trashcan (yes i do that kind of stuff) to extract the fan given that the one one my computer started to making noises a few days ago, so i ...
2
votes
1answer
87 views

Concatenate videos with/without audio stream

I have multiple videos in folder, but when first of all hasn't audio stream, audio disappear in concatenated video. Concatenated video is correct if first video has audio stream. How can I concatenate ...
2
votes
2answers
29 views

Video and audio playback problems

since I started my computer yesterday, I experience the following problems: in Chrome and Firefox, videos stop playing, lose sound or reset at random times (could be after a few seconds or several ...
0
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0answers
9 views

Are video encoders installed per-application or system-wide on Windows?

I normally use Linux where, if I want programs to be able to encode video, once libXXXX.so is installed all programs which are aware of it can use it. By comparison, I have witnessed various programs ...
0
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2answers
44 views

ffmpeg: significant lag and poor audio sync when combining audio and video

I am trying to combining audio and video for streaming from a Raspberry Pi. The audio leads the video by a few seconds, whether I stream the output or write it to a file. Command line: raspivid -o - ...
1
vote
1answer
26 views

FFmpeg performs every second task

Why does ffmpeg perform every second task that it is ordered to? for i in *.MTS; do echo ffmpeg -i \"$i\" -c:a copy -c:v copy \"$i\" | sed 's/MTS/mp4/2' done | sh For example. if I have 9 MTS ...
0
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0answers
19 views

How to make videos play more than 2x faster

Youtube has an option for playing videos 2x faster than usual, which I find extremely helpful for learning about various topics. But sometimes even then the video is moving too slow for my liking and ...
0
votes
1answer
48 views

Scale video then apply image frame using ffmpeg

I have an image frame 1920x1080 and a video with the same resolution. I want to resize video by 80% of its resolution and center it, and then overlay it with image frame. So the final video result is ...
0
votes
2answers
101 views

FFmpeg: Applying effects to a video

I'm trying to apply some effects to a video by adjusting colour, contrast, brightness, etc. Here are some of the effects I was trying. And following is the command I used to apply the "Kelvin" effect. ...
0
votes
1answer
41 views

Embed AMF metadata into MP4 with ffmpeg

Is it possible to manually embed timed text metadata into MP4 files? I have a TTML / SRT file with the metadata. I just need to embed the text data without doing anything to the video/audio tracks. ...
0
votes
1answer
36 views

ffmpeg for Mac “no such file or directory” (when file exists)

I'm using OSX 10.10.1 and I'm trying to concatenate .mp4 files with the ffmpeg demuxer. Below is what I enter and the error I get. Please help! I'm not a programmer but I had the demuxer working on my ...
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votes
1answer
35 views

Powerpoint alternatives [closed]

It's been a while now since I'm looking for Powerpoint alternatives. First of all I must say that I'm a Windows 7 user so only Mac options are not suitable. My main problems are: I'm already used ...
1
vote
3answers
115 views

ffmpeg command not found but its installed on server

I was trying to update ffmpeg, after searching a lot on this topic i decided to uninstall the old one and install new version of ffmpeg i-e; ffmpeg 2.6.3 i installed new version using this link but i ...
1
vote
1answer
30 views

Using two video cards; how good should the second one be? [duplicate]

So I'm looking to start a new build, using some of the parts from my old PC. One thing I wanted to do was try out Intel (current is AMD) and to have two GPUs. This build has Oculus Rift in mind. ...
0
votes
1answer
17 views

ffmpeg stops streaming if one input stops

I am trying to create a mpeg-ts stream where video is a screengrab from Xvfb and audio is from internet radio (mp3 or aac stream). It works reasonably well, but if there is a problem with the internet ...
0
votes
0answers
20 views

convert ogv to webm using ffmpeg and point ffmpeg to new installed version

I was facing problem in converting files from one format to another, so I put the question on stackoverflow, some people suggested me to recompile ffmpeg my ffmpeg version was 0.10.0 so they suggest ...
1
vote
1answer
31 views

Why do all sounds work except DVD playback?

I've come across a strange issue and can't seem to fix it myself or find an answer online. I have an HP tower running Windows 7. Absolutely every sound works on it except for when a DVD is inserted ...
2
votes
0answers
26 views

Crop video with FFMPEG based on data from tracking algorithm

I have tracked a moving object in a video file using OpenTLD. This generated a file with the coordinates of the object's bounding box for each frame. Now I would like to use ffmpeg to crop the video ...
0
votes
1answer
38 views

Adobe Player stopped working on 2 of my machines. Error 2046. How do I fix this?

About 3 weeks ago the Adobe Player stopped working on 2 of my Windows 8.1 Professional desktops. Interestingly enough it works fine on a 8.1 Pro laptop I've got. Anyway, each time I try to view a ...
0
votes
0answers
30 views

Add a transparent black overlay using ffmpeg

I have a background.mp4 video file that I'm using as the motion background on my website. However, the video is too bright and my site's text isn't easily readable. How can I overlay a translucent ...