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

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6
votes
1answer
14k views

Using ffmpeg to make a movie from png files

I have 277 800x600 png files with filenames with the format island_sizes-CSH(II)-###.png where ### is a number starting with 084 and ending at 360. I'm doing ffmpeg -i island_sizes-CSH\(II\)-*.png ...
6
votes
5answers
3k views

How do you convert FLV file format to a format that Picasa recognizes (e.g. AVI, MPEG, WMV)?

I use one of the Firefox plugins for embedded video to download content from Youtube and other sites. The program downloads these videos in FLV format, and I have VLC Media Player to play them, which ...
6
votes
3answers
5k views

Is there a command analogous to afinfo for videos on a Mac OS X?

Mac OS X has the command afinfo to fetch audio file info. Is there a similar command to fetch video file info for videos (.mov, .m4v) other than the mdls command?
6
votes
2answers
8k views

ffmpeg - Create a video from image frame with a start and a cout

I create a video from image frame, and it work great. The problem is that I don't want to use all the image in my folder. I have 200 frames in my folder, but I want a video from 1 to 100 How I can ...
6
votes
5answers
8k views

Join Audio and Image -> Output as Video using FFmpeg

I have 1 image (jpg) and 1 audio file (MP3) and I would like to output this as a video file (say AVI for example). Does anyone know how to use FFMPEG to join the two? I'd like to show the image for ...
6
votes
6answers
647 views

Free AVI to MPG converter [closed]

Does anyone know of a good and free AVI->MPG converter with no restrictions? I downloaded a trial version of ImToo AVI MPEG converter, but it only allows you to convert 5 minutes of video.
6
votes
3answers
2k views

What's the best way to encode video for upload to YouTube?

Video is less than 5 minutes long, standard 4:3 aspect ratio (@ 640x480), imported from a digital camera, edited in Mac OS X with iMovie '09 and has a stereo, musical soundtrack. What encoding method ...
6
votes
1answer
3k views

GDDR5 vs DDR5 - Which is better?

I'm looking at getting a new computer.... which is better for video memory, GDDR5 or DDR5 ? update that makes sense considering I'm looking at video cards... http://www.newegg.com/Store/Category....
6
votes
3answers
14k views

How to identify if a video is 720p or 1080p?

How can I accomplish this under Windows? Can I use VLC to gather this sort of information?
6
votes
3answers
17k views

Download subtitles from TED talks for offline viewing

I'm wondering if it's possible to download subtitles for the TED talks for offline viewing. Related on Stack Overflow Parsing and Converting TED Talks JSON Subtitles.
6
votes
1answer
9k views

Extracting every frame from video file as image in OS X

What I want to do is extract every frame of a video file and output the images. I tried using VLC's commands through terminal, however it seems to be skipping frames, even though I turned off "skip ...
6
votes
3answers
340 views

Can I output my computer's video signal into the cable lines in my house?

Would it be possible to hook my computer's video signal into a cable plug in my house, and be able to tune to a channel on any tv in my house (also hooked to the cable system) to see it?
6
votes
1answer
4k views

FFmpeg filter to rotate image through arbitrary angle

I need to produce timelapse video from a webcam that was mounted at a slightly off-vertical angle, and I need to rotate the image about 3 degrees counter-clockwise. (The webcam is in a virtually ...
6
votes
1answer
6k views

Lossless universal video format

I am trying to find the most suitable lossless video format for 1280x720 25fps video. The video has 4 minutes. Sound will be 320 kbps mp3, that is not a big deal. Ideal conditions: Lossless (can be ...
6
votes
2answers
505 views

Is disabling graphics driver and falling back to CPU for graphics processing a good solution?

I bought a Sony Vaio VGN-FZ50B notebook in Japan about 5 years ago. About a year ago I updated my operating system to windows 7, but I couldn't find a version of drivers for my graphics card for my ...
6
votes
1answer
12k views

How can I count the duration of my Skype video calls?

So I'm curious how much time I spent on Skype video chatting so far. I can't go through my history and check that because I unfortunately need to delete history since some people are too nosy. So ...
6
votes
3answers
458 views

Blu ray 3d playback support player for movies on windows

Is there any free windows software that has Blu-ray 3D playback.
6
votes
2answers
5k views

How to create a movie from several .bmp-files under Linux?

I have generated 90 .bmp files and now would like to generate a 3 second video with 30 frames per second from this. Preferrably in the .mov format, but any common format would be ok. Is there any (...
6
votes
5answers
36k views

M3U8 file to MP4 conversion?

Can an M3U8 video file be converted to MP4? I have had no luck finding a file converter that can do this since the M3U8 file is really an Audio playlist with many smaller files in a folder.
6
votes
1answer
25k views

Live streaming with html5 - plus how does Youtube do it?

So I have a Wii U now and tested Youtube Live streaming... and it worked flawlessly. Wow, I thought, I have to find out what kind of codec, container format, protocol, etc is used, but I kinda failed ...
6
votes
3answers
23k views

How to cast Skype audio to TV from Nexus 7 via Chromecast?

I just unwrapped and plugged in my new Chromecast dongle. Owning a Samsung Smart TV with DLNA, it covers most of the Chromecast capabilities anyway, but I wanted wireless means to mirror my Nexus 7 ...
6
votes
2answers
10k views

How to use my Nikon DSLR with Skype on a Mac

I would like to use my Nikon D7000 on a Mac for Skype video calling. Is there a way to do this? There is a way, if I was using a Canon, but I'm not. And no need to tell me that there are webcams for ...
6
votes
2answers
6k views

How can I normalize the volume of a single video file?

I have a video file that was recorded from TV. During recording, we changed the volume levels in between multiple times. Is it possible to (approximately) normalize the volume of the video track? ...
6
votes
3answers
4k views

Roommate lagging internet connection by watching videos from Chinese website. Can QoS fix issue?

My roommate is an international student from China and likes to watch Chinese TV shows online using a website based in that region (we're on the U.S. East Coast). But it causes our network's latency ...
6
votes
7answers
14k views

convert jpg images into a video

I have a bunch of jpg images i want to turn into a video, i have tried JPGVideo but it did not work. any recommendations?
6
votes
3answers
2k views

Why does Netflix perform better (more efficiently) in full-screen mode?

I noticed the other day that when watching a movie on Netflix in Chrome on my Retina MacBook Pro, the fans would spin up more quickly when I was just watching the video in a single tab in a regular ...
6
votes
1answer
7k views

accurate cutting of video (+ audio) with ffmpeg

I want my website to allow users to accurately create their own clips from a source video I provide. I have a source video file that I first want to convert to something suitable for a website: ...
6
votes
1answer
751 views

Take frame from video with command-line utility in Windows

I want to take a frame of a video at a certain percentage of time (for example, 25%, 50% and 75%) and save it somewhere. I need this to be done from the command-line so I can automate it. Also, this ...
6
votes
1answer
610 views

Install Windows without a graphic card

I am trying to check if it's possible to install Windows (no matter which version at the moment) without any graphic card in the hardware. So the question is not "how do I install Windows without a ...
6
votes
1answer
2k views

PC boots but screen is off. Need to reboot several times before video works again

I have this problem with my PC. First setup: Asus P5E Deluxe Motherboard (first BIOS, I've never update it) 4Gb DDR2 RAM Corsair XMS 2 (2x2Gb) MSI Ati Radeon 4850 Velociraptor 150Gb 10000 RPM ...
6
votes
1answer
14k views

Handbrake: How to retain sharpness when down-sampling video during an encode?

I have a bunch of 1280x720 resolution videos, but I really don't need to have that high resolution, so I thought of re-encoding and resizing them to 852x480 to save some space, but I noticed Handbrake ...
6
votes
2answers
18k views

Best Intel Quick Sync software for h.264 transcoding

I would like to know the best (fast) software for video encoding and transcoding video into h.264 that makes use of Intel Quick Sync. I looked at Media Espresso by Cyberlink but it does not have many ...
6
votes
2answers
18k views

How can I get thumbnails in Windows Explorer for .3gp and .webm files?

Basic set up On my Windows 7 Professional 64-bit system I have installed K-Lite Codec Pack 7.10 and K-Lite Codec Pack 64-bit 4.6 with only the following options (the idea being to only add what's ...
6
votes
1answer
1k views

Is it possible to power off a PCIe video card/slot? (eg. hot-plug)

I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
6
votes
1answer
92 views

How to play a movie listening to two sound tracks simultaneously?

I have movie files with multiple audio tracks (in the MKV container). I want to watch a movie while sending one language to the speakers (for the kids) and another language to the headphones (for ...
5
votes
4answers
3k views

Can viruses be spread via VGA cables?

Are VGA cables too "dumb" to spread malware from one device to another device? Background: I'm giving a talk tomorrow, and the laptop I'm presenting on will be connected via VGA cable to another ...
5
votes
2answers
301 views

modify 128 bytes

I have to replace on a Linux web server, the first 128 bytes of some binary files. The files have a size of ~ 5Gb and I just have to rewrite the header bytes. What would be the best approach to do ...
5
votes
6answers
526 views

How do I convert a .avi file to a .flv file?

I've been sent a .avi file that I need to convert to flash format to put online. What free software is there that will do this? I have Ubuntu and Windows 7 to work with so any software for either ...
5
votes
7answers
243k views

What format is “undf”?

By accident, I recently removed some videos from my phone. I tried to restoring them with Recuva and TuneUp Utilities and the results were "undf" files. I tried to open with VLC, Media Player Classic ...
5
votes
5answers
2k views

Recommend me a good video format to encode my video

I recently got a helmet camera for my motorbike and was able to make videos, however it stores it in Motion JPEG, which is very space inefficent. 30 minutes of 640x480 takes up 2GB. I can convert that ...
5
votes
4answers
3k views

Command line video conversion tools [closed]

I'm looking into developing our video content platform and part of it includes a better way for our users to upload their video content (anything from dvds, flash video, dxid, wmv, etc..) and have it ...
5
votes
3answers
2k views

AVI to iPhone Converter for Linux OS?

Is there any free GOOD video converter for Linux, which can also convert from AVI to iPhone? I need something with good quality. Using Linux Mint.
5
votes
3answers
6k views

Set default Ubuntu video player as VLC?

Is there a way to globally set the default video player in Ubuntu 10.04 (and soon 10.10) to VLC? (unless you really think there is another, higher performance player, in which case do let me know)
5
votes
2answers
4k views

VOB merging: what command-line tool is recommended (Linux)?

I'd like to merge the VOB's of a DVD into a single VOB file. What command-line tool is recommended under Linux?
5
votes
2answers
12k views

How to play a Vimeo video in VLC media player?

You are able to play Youtube videos in VLC media player by going to Media > Open Network Stream and pasting in the Youtube video URL in the "Please enter a network URL:" box and pressing Play. For ...
5
votes
5answers
59k views

How to download video from a recorded webex session?

I have a link to recorded webex webinar, I wish to download the video and convert into different format. How should I go about the downloading the recorded webex video ? Appreciate your inputs.
5
votes
4answers
25k views

Convert MP4 to OGG (Video)

Does anyone know a way to convert .mp4 video to .ogg video (in Windows)? None of the converters I've seen online seem to do the job.
5
votes
2answers
3k views

ffmpeg add audio but keep video length the same (not -shortest)

I'm adding audio to a video file using ffmpeg like so ffmpeg -i videofile.mp4 -i audiofile.wav output.mp4 However this extends the output video file to be the length of the audio file if it is ...
5
votes
4answers
21k views

How to play mkv files on ChromeOS?

How can I play MKV files on ChromeOS? I have a lot of videos in MKV format on my local network available over NFS/SMB? How can I get them to play, without transcoding, on a ChromeOS machine?
5
votes
3answers
3k views

How to Force Aero Peek to Stay Up

Let's say I have a video running in an application. If I hover my mouse over the taskbar, it shows a little popup windows that diplays the video (aero peek). Sometimes I'm running a maximized ...