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

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2answers
9k views

Convert old videos to have smaller sizes

I have some videos from a few years ago,with various formats, such as avi, mpg, wmv, rm, rmvb, .... Their sizes are huge(more than 500 MB, and sometimes > 1GB). Given there may likely be some ...
5
votes
2answers
2k views

Picasa for Linux: doesn't it support video files?

I'm just switching from Windows to Linux. I'm glad to see that Picasa is also available (v3.0 beta), but doesn't Picasa on Linux support video files? This official help page doesn't mention Linux... ...
5
votes
3answers
4k views

ffplay - how to play together separate video and audio files

So I am able to transcode separate video and audio files into one movie file, like so: ffmpeg -ss 0 -lowres 0 -r 24 -i dcp/picture.mxf -vf "xyz2rgb" -i mov/sound.wav -ac 2 -ab 256k -vb 3000k -t 10 -y ...
5
votes
3answers
450 views

Options for a baby-monitor

What are some good options for a baby video-monitor? I've got wireless and ethernet in the baby room, so there may be an option to use those to hook up to a camera. But are networked video-camera ...
5
votes
4answers
8k views

How do I find the video stream URL of my security DVR by myself?

I have this 8 channel DVR with the brand "ELEC" that streams video over the network. However, I can only connect to it using iPhone apps called vMyEye, Asee+, and other similar names. I want to use ...
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votes
1answer
8k views

Add audio to video using ffmpeg

I'm trying to add sound to a video using ffmpeg, but for some reason, when I play the resulting file, it doesn't have any sound. I also tried doing it with an aac audio file, as well as leaving out ...
5
votes
2answers
13k views

Choppy, CPU-intensive Flash video performance in Chrome

Lately, watching Flash video (eg, thedailyshow.com) is terrible in Chrome: the chrome.exe process sits at 49% CPU (dual core obviously) if the tab is open, even when the video is paused. Sound is ...
5
votes
1answer
2k views

How to embed an audio and a subtitle file into a MKV file

I have a MKV file in which I want to embed an AC3 audio file. I also want to embed a SRT subtitle file into it. How can I achieve that? Note: AC3 file is the same length of the original video.
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2answers
6k 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 ...
5
votes
1answer
265 views

What are the restrictions on h264 usage?

What do people mean when they say the h264 video codec is "patent encumbered"? What restrictions are there to the usage of h264? I've been using the free Handbrake transcoder to encode h264 videos and ...
5
votes
2answers
3k views

How to find video files with a certain framewidth

I have the following problem: a large collection of video files of all sorts of formats with very different framewidths and frameheights on several hard drives. I want to search for all video files ...
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votes
5answers
968 views

Multiple Monitors on One Screen

Does anyone know of any software/hardware configuration that will allow you to preview/view the contents multiple monitors on one monitor? Let's pretend: I have two monitors hooked up to one pc, ...
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votes
4answers
4k views

Generate FLV video with alpha channel using open source tools

I have a sequence of PNG-images with transparency which I want to convert to an FLV video with transparency. So far I have been using ffmpeg to create FLVs (vp6a), but it doesn't seem to support ...
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votes
3answers
3k views

Triple monitor setup possible?

My desktop has a NVIDIA GeForce GTS 250 thats currently running two monitors. The Intel H55 motherboard also has an on-board VGA port. Is it possible for me to run a third monitor from this? Is there ...
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votes
4answers
5k views

Tool like Media File Segmenter for Linux

I'm looking for a tool for Linux which can segment a video file into multiple small .ts files. I know one for Mac OS X called Media File Segmenter which is a simple command line tool - I'm looking ...
5
votes
1answer
646 views

What's the simplest free (or cheap) software to remove unwanted motion in video footage?

I used a program 7 or 8 years ago, that stabilized a video by letting you select a part of the footage that was not supposed to move (like, a sign on a building, or a picture frame on the wall, etc). ...
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votes
2answers
811 views

Why can video streaming sites not leverage my 100 MBit LAN-speed?

I am a bit confused about what is slowing down my network and I hope it is correct to ask here and not at "webapps.sx.com", because my issue is not only one with YouTube, but basically many video ...
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votes
2answers
4k 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? ...
5
votes
3answers
163 views

Making sense of video cards

My PC could really use a video card that's better than the on-motherboard Intel graphics adapter it shipped with, but whenever I go on Newegg to start shopping around, I get overwhelmed with options. ...
5
votes
2answers
1k views

How to play two or more videos side by side in a syncronized fashion in Linux?

I have two (or more) video files that I want to play side by side. I could do that simply by opening them in two seperate windows, but that would also seperate all the controls ...
5
votes
3answers
2k 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 ...
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2answers
2k views

Yellow noise (small lines) when Chrome is playing video

When I try to play video on Google Chrome Version 24.0.1312.52. I see small yellow lines over a video. How can it be fixed? Thanks. UPD Ubuntu 12.04 LTS That problem appears only when I play videos ...
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votes
2answers
3k views

Convert a series of PNGs to an animated gif or video file

I have a series of PNG image files that I want to convert into animation. What is the best way to convert them into a GIF? Also I have tried various tools to convert them into a video file (like ...
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7answers
8k 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?
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votes
3answers
1k 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 ...
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votes
1answer
2k views

FFmpeg - unable to play stream

I used the following command to attempt to stream from a file with ffmpeg: ffmpeg -re -i GunGrave\ -\ 03\ -\ Rain.webm -c copy -f asf rtmp://127.0.0.1:8090/test.asf This produced the following ...
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votes
1answer
10k 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 ...
5
votes
3answers
204 views

Can you reccomend a screen capture application with audio? [closed]

I will soon be attending a web course. Is there any application that can record the video and audio being outputted to my screen? My goal is to record the class so I can watch it later. Windows ...
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votes
7answers
3k views

high pitched whine from newly built PC

I've just built a new PC: Asus P6T Deluxe v2 motherboard i7 920 Sapphire HD 4670 Passive heatsink Corsair 620hx portal supply Antec P183 case Sometimes when I turn it on, there is a high pitched ...
5
votes
4answers
202 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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votes
2answers
12k 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 ...
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votes
1answer
1k views

Cut last 30 seconds off ends of videos using ffmpeg in a batch file in Windows

This is what I have so far: for i in *.mp4; do ffprobe -show_format -i "%i" // get duration, then need to somehow subtract 30 seconds, and marry these two commands ffmpeg -ss 0 -i "$i" -t ...
5
votes
1answer
686 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 ...
5
votes
1answer
144 views

A scripting language for videos

I'm searching for a way to to create a video sequence with something like a scripting language. The goal is to automate the process of generating a script which describes something like: place video ...
5
votes
1answer
95 views

How to determine segments of footage held in common between different video files?

Context: Say I have two video files--rips from a DVD or DV tape. They are both MKV or AVI format, some standard container or other, but were ripped separately, with different encoders, different ...
5
votes
2answers
20k views

Using ffmpeg to encode a raw video to H.264 format

On a Ubuntu 10.04, I am trying to encode a raw video (YUV format) to a H.264 encoded video using below ffmpeg commands: ffmpeg -i input.mp4 output.h264 but I get an error saying Unsupported ...
5
votes
1answer
370 views

Are there disadvantages for using different port types for a dual monitor display

I am thinking of purchasing the XFX HD-577A-ZNFC Radeon HD 5770. The card features a variety of ports: 1 x HDMI 1 x DisplayPort 2 x DVI Currently, I own two Dell UltraSharp 2407WFP 24-inch ...
5
votes
2answers
8k 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 ...
5
votes
1answer
2k views

How can I set up keystone correction in VLC?

How can I setup keystone correction in VLC? Ideally, I'll be able to set it up for both horizontal and vertical keystone correction.
5
votes
1answer
288 views

One codec to rule them all

I am streaming videos in my house via Windows Media Player Streaming, which is basically DLNA. So theoretically any DLNA compliant device can pick up the stream. However, I've quickly found that ...
5
votes
4answers
8k views

Go frame-by-frame through a movie with a precise timer

I have a video I made for physics class, which I intend to use to measure just how long an event took to take place. I can find the start frame and end frame easily using VLC's frame-by-frame feature. ...
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2answers
3k views

How to play video at the same time on separate computers

Is there any easy way for two or more people to watch a video together on different computers, so that play/pause is synchronized?
5
votes
2answers
3k views

How can I organize my video collection and update meta data?

I have a large collection of downloaded video files containing different movies, tv shows and music videos. I have a FreeNAS box set up that uses Fuppes as a UPnP media server. My media player on ...
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votes
6answers
1k views

Super 8 film conversion to digital media

I have a lot of film of the parents in the 50's and 60's that I would like to convert to a media file for editing. My first thoughts are to just record the film playback with a digital video camera ...
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votes
5answers
636 views

Download videos from youtube as I see it

This may seem a somewhat strange requirement : I want to download youtube videos as I see it. I know that I would have to capture the packets using a program like wireshark , and I do know that this ...
5
votes
1answer
1k views

Lossless video editing on Linux?

Is there a simple Linux program that allows for video editing without reencoding? All I want to do is extract the video between time T1 and T2 and write that to a new file. All my searches are ...
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5answers
2k views

How can I download videos from a website like MITWorld? [closed]

How can I download MITWorld videos? Are there any programs for this?
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5answers
380 views

What PCI video card should I get for my third display? [closed]

I got a new display, but my PC vid card only has two heads. Looking for recommendation that satisfies this: PCI (not express, my motherboard only has one express slot) Fanless Powerful enough to ...
5
votes
1answer
707 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 ...
5
votes
1answer
495 views

Split Up a Video Using FFMPEG through Scene Detection

I saw this thread, which almost exactly does what I want, but I'm actually looking for splitting on scene detection. Automatically split large .mov video files into smaller files at black frames ...