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

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31 views

VLC player plays 1080p video as stills

Let me explain what is actual problem. I am habitual to use only VLC Media Player to watch video in my laptop having 2GB RAM and Inter i3 2nd generation processor. Everything work fine. But when i ...
0
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0answers
16 views

VLC media player show mouse cursor on the top of the video

I'm using VLC media 2.03 player on Debian Weezy. I want mouse cursor to visible on the top of the video. Currently I cannot see the cursor inside video play when it entered from left or right.When ...
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0answers
22 views

What are all parameters to get the highest compression ratio for animation from ffmpeg x265?

Ok. I'll use -crf 51 (-crf 61, -crf 10 or any other), -preset placebo, -keyint=-1 (only one keyframe in the start). -allow-non-conformance (I am not sure if this is work with libx265). -ref 16, ...
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0answers
77 views

OS X Host - VirtualBox 5.0 running Ubuntu 14.04.02 video/audio playback is too fast

I am running a VirtualBox 5.0 on my OS X host machine with Ubuntu 14.04.02 as the guest. The problem is, the video/audio is playing back too fast when watching Youtube videos or any kind of ...
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0answers
28 views

i want to blend many images to make a video - Swift iOS

i want to blend many images to make a video , without memory error when blend many images memory retch to 661 mb and throw crash (memory error) this code to blend two images (this function in loop ...
0
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1answer
25 views

Video Progressively Lags Behind Audio

I am trying to use the Stream feature in VLC Media Player to download a video from the internet. The video plays just fine when viewed online, and there is no problem with it whatsoever, but when I ...
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0answers
19 views

How to insert clip in the another clip using avisynth?

My goal is to make video from two sources. One of them is clip1 and another one is clip2. My task is to take first 10 seconds(video and audio, 10 - for eaxmple) from clip1 then take 10 seconds from ...
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1answer
87 views

GPU Issue after updating drivers

Usually games on my PC work perfectly. However after updating all the PC drivers (including Intel(R) HD graphics), games won't work properly, they are slow and graphics are low, I have an example. ...
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4answers
139 views

How to put a video in a corner of another video?

I've recorded a tutorial video and a video from a camera, where I explain stuff going on in the tutorial. I would like to put the commentary video as a small box in the right lower corner of the first ...
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0answers
22 views

How do I run this ruby code? [migrated]

I'm using interactive ruby on windows 8. I'm trying to attach an image to multiple mp3s in a folder and encode them to mp4. How do I specify the folder, and how do I run this code in Ruby ...
0
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1answer
29 views

ffmpeg crossfading multiple images

I am trying to cross-fade multiple images. I found some helpful piece of code in this superuser thread. So far I am stuck at this point: ffmpeg -loop 1 -i img0.jpg -loop 1 -i img1.jpg -i img2.jpg -f ...
3
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1answer
71 views

Recover incomplete(?) video files [duplicate]

I have two mp4 video files(shot with a Nokia Lumia Phone) that cannot be played. While recording, the memory card got completely filled and it went in accessible from the phone. So I removed the card ...
2
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0answers
21 views

Difference of meta-data between mdls and mediainfo

I was wondering what are the difference between the type of metadata returned by mdls and by mediainfo. Why are they different? For exemple why the creation date is different on the same file? ...
3
votes
0answers
41 views

Sending only video out of HDMI cables – Mac OSX 10.10.3 (Yosemite)

I have a similar question to this one but I'm on Mac OSX. I currently have a laptop, a second monitor (via HDMI), and a third monitor (via HDMI/thunderbolt adaptor). If I have sound playing, I only ...
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0answers
21 views

White shade appears on my Dell Inspiron while watching movies

I have a Dell Inspiron, while watching movies on full screen a white shade appears frequently. It disappears when the lid is closed and opened. While watching online YouTube videos in normal ...
0
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1answer
31 views

ffmpeg: How to slow down a video for a while

I want to reduce the speed of a video with FFmpeg for x seconds, after that it should be playing like before. Is there a way to do that in ffmpeg using setpts parameter? I only found this FFmpeg doc ...
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0answers
30 views

How to test a bunch of video files if they are playable?

I would like to test my video files which have been recovered by Photorec. Some of the video files have errors. So I want to test them all at once to see if they can be played. For example, a video ...
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0answers
13 views

Cannot watch movie with Synergy moused out

After finally having gone through the pains of getting the Synergy-project download to work (had to downgrade to 32 bit), now my video freezes when I mouse out to the other desktop. Anyone else face ...
1
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1answer
29 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. ...
0
votes
1answer
37 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
24 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 ...
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3answers
38 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
21 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
58 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
58 views

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

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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1answer
95 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 ...
0
votes
1answer
56 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 ...
1
vote
0answers
89 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
29 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
votes
2answers
26 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 ...
1
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2answers
36 views

ffmpeg hardsubbing ass file into mp4

I am unable to hardsub a subtitle file into a mp4 file. The code that I used (which seems to work once or twice) is: ffmpeg -i "videofile" -vf "ass=assfile" -scodec copy "outputfile" As I ...
1
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0answers
23 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
votes
2answers
56 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 ...
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0answers
12 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
13 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 ...
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0answers
48 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
35 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
187 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
42 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
89 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 ...
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0answers
88 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
38 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
9 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
116 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
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2answers
39 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
77 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
35 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
votes
1answer
32 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
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1answer
61 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 ...