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

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4
votes
0answers
388 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 ...
4
votes
0answers
472 views

How to display downloaded youtube annotations ( not captions) on offline video player?

i need to display the annotations for some of my downloaded youtube videos. It's also important to make them closeable. Making them clickable would also be nice. What i found out so far: From what ...
3
votes
0answers
97 views

What's the proper command syntax to change frame size/aspect ratio using ffmpeg?

I have a video that is 720x480 (3:2) that I would like to change to 720x406 (16:9) to match the other videos I have for a site. I have tried various command combinations, including: ffmpeg -i ...
3
votes
0answers
152 views

Is it possible to programmatically query for current USB controller bandwidth usage?

I am using three Logitech C920 webcams with mjpg-streamer. The setup works extremely well, but I just realised that it doesn't scale. I began encountering bandwidth issues when bumping the frame rate ...
3
votes
0answers
2k views

Having trouble Getting “RTSP over HTTP”

There is an axis camera that is connected to our site (camba.tv) through axis one click connection component (which acts as proxy). We can communicate with this camera only through http by setting the ...
3
votes
0answers
435 views

Is there a way to make FFmpeg seek faster to an end of file on a network share?

I'm using ffmpeg to generate image previews from flv videos. The OS is Debian 5 and it's the apt version of ffmpeg. The flv files are located on a NAS share that is mounted as NFS. Getting the ...
2
votes
0answers
36 views

Cutting multi-bitrate MP4 files for Helix Server with FFmpeg

We are using Helix Server in order to distribute Video On Demand (with multi-bitrate) Content among our audience. This means that there is one MP4 file that contains multiple video streams and one ...
2
votes
0answers
75 views

streaming video to the internet

I want to stream my webcam live over the internet. It is mounted on a windows 7 desktop and connects to the internet over an ADSL connection. I am able to stream successfully within my home/office LAN ...
2
votes
0answers
945 views

live stream with ffmpeg and IP camera

I'm reading a live stream from a DKSEG IP camera, but the results are not good at all ... Here is the command line used for this : ./ffmpeg -i ...
2
votes
0answers
422 views

Using ffmpeg, can I burn in subtitles directly from an mkv subtitle track instead of a subtitle file?

I have an mkv with multiple subtitle streams. I know I can use mkvextract to extract one of those subtitle streams to a file, for example, sub.srt. I can then burn those subtitles into the new video ...
2
votes
0answers
74 views

Do you know what protocol is this?

I have a H.264 standalone DVR from Hexacctv that streams 4 channels from its cameras. I use SkyVizor NVClient to get streaming video from channels. But I need to be authenticated by the the StandAlone ...
2
votes
0answers
132 views

MPEG files damaged over time. How to fix?

I have a strange problem with a few MPEG files (.mp4 and .mpg). These files have been living on my hard disk for quite a long time. I also have recently copied them into a new disk, not having the ...
2
votes
0answers
127 views

No video is written in for some part of video as the segmentation from FFmpeg

I am segmenting a 20 minutes long video to hundreds of small clips . The command is like ffmpeg\\ffmpeg -i nx_1.avi -ss 399.37 -t 1 ka1_2.avi The ffmpeg is in a subfolder. It works very well for ...
2
votes
0answers
328 views

Converting series of images with ffmpeg results in black video

I've just downloaded ffmpeg since it seems to perfectly match my needs (make a video from a set of pictures). I'm currently playing around with some examples just to get started and there's something ...
2
votes
0answers
68 views

Indicate in Windows which video files have been viewed

A rather specific problem... I watch video's using VLC. (I've found Windows Media Player and XBMC too cumbersome.) We are always trying to find which was the latest show in a series that we last ...
2
votes
0answers
387 views

How can I download a small section of a long Youtube video?

I need to download about 30 seconds from 50 different 30-minute long videos. Is there anything that would let me do this without downloading the whole of each video? Thanks
2
votes
0answers
215 views

Append JPG to MPG Video ffmpeg/mencoder

I've found a lot of solutions for creating a video from a folder of jpgs, in this case a time lapse stream of photos from a camera. Thats easy, but seems to waste a lot of computing power ...
2
votes
0answers
156 views

Monitor calibration icm profile vs color settings?

We bought a Dell U2713H monitor, and because of the price tag we thought it deserves a calibration, so I asked for it. This is the first monitor I bought calibrated, I always thought these are just ...
2
votes
0answers
527 views

Playing and recording a live stream from another computer webcam using VLC/FFmpeg

I was trying lately to set a video server on one machine and play it in a differen machine, it works with me.. but the problem is that it always stuck and become jammed in the middle .. and it is very ...
2
votes
0answers
293 views

Ensuring previewed still-frame of video is correct in PowerPoint

I'm putting together a PowerPoint 2007 presentation and need to include a video, which is animated vector graphics that I'm producing by making lots of PNG files and then using FFmpeg to compile them ...
2
votes
0answers
2k views

Change VLC recording format

I'm using VLC 2.0.2 to stream videos from YouTube and I'm hitting the "Record" button at times so I can store the more interesting parts of the stream on my PC. I was using this just yesterday and it ...
2
votes
0answers
484 views

Audio out of sync in multiple parts of one video, how to fix?

I have a video which has various audio out of sync at different times. For example, from 2:00 to 4:30, the audio delay is 6 seconds, and 3:00 to 6:00, the audio delay is 8 seconds & 38 min ti 42 ...
2
votes
0answers
1k views

Windows 7 losing one of my displays after restart

I have an Intel DZ68BC motherboard with Intel HD graphics card using two monitors (on DVI and on HDMI » VGA). My friend asked me to test if his NVIDIA graphics card works well on my computer (at his ...
2
votes
0answers
181 views

Is there a working method for recreating a quicktime video resource fork?

A few years ago, I backed up a directory of family movies in quicktime format to my NAS. Unfortunately, only the data files went, and NOT the resource forks. Months later when I went to import those ...
2
votes
0answers
244 views

Is there any way to force Safari to use a different UserAgent on a per site basis?

Background: I use Safari 5.1.3 on Lion 10.7.3 on my 13" MacBook Air. I don't have Flash installed and have no intention of installing it. I frequently visit the BBC News site, which has a lot of video ...
2
votes
0answers
151 views

DVI portion of video card stopped working after re-installing XP

After a clean install of XP, the DVI side of my video card only works with a DVI to VGA adapter (VGA cable now has to be used on this monitor in question). This monitor Worked fine before with a DVI ...
2
votes
0answers
37 views

Playlist file format for video segments

Is there a playlist file format listing segments of files instead of entire files? For example it would start playing a file jumping straight to 3'12", play it untill 5'42" and switch to the next ...
2
votes
0answers
32 views

How to add dynamyc annotations to videos?

I would like to add some dynamic annotations to a video, like that: a label that follows an object moving a circle that involves and follows an object moving, growing or shirinking when it get ...
2
votes
0answers
256 views

mplayer over 2 screens

I recently found an mplayer command line example that plays a video over 2 screens (nvidia twinview) but I lost it somehow. So does anyone know how to play a video with mplayer and have it stretch ...
2
votes
0answers
291 views

Skype - larger video screen?

I was wondering when using skype, is there a way when you are video chatting with someone to make your video screen larger? The person I'm talking to has a much larger screen.
2
votes
0answers
672 views

auto tag video and add to itunes on windows

I'm looking for an app similar to Auto TV Tagger that monitors a folder and auto magically tags the file either through a webservice or by the file name given then adds it to itunes in the proper ...
2
votes
0answers
435 views

Is it possible to get Skype to show video side-by-side instead of picture-in-picture?

I want to do some live broadcasting of video calls and I'd like to have the two video boxes from a Skype call be side by side instead of picture in picture. Is this possible on either Mac or PC?
2
votes
0answers
988 views

How do I rotate part of a video?

I have a similar problem as this person. Except that I recorded the first 30 seconds in portrait mode, and then decided the next 4 minutes would look better in landscape mode. So now I have a sideways ...
1
vote
0answers
5 views

PC HD Video Card Radeon Passive Cooling No display when hardware installed

Hi guys i'm noob to computer hardware, i attached my Video card to the motherboard, but it's not displaying anything, do you guys know what i'm missing here, does this video card requires separate ...
1
vote
0answers
10 views

“Presenter view” for second monitor?

I have a laptop, which is connected to a projector. Is there any program or method, which can give me a small window on the laptop's screen, of what is displaying on the projector? Sort of a ...
1
vote
0answers
53 views

How Use Google's YouTube Speech Recognition without uploading videos to YouTube?

I have a lot of lecture video content that I would like to have the subtitles for. YouTube automatically generates subtitles for videos under certain conditions (those conditions are still somewhat of ...
1
vote
0answers
32 views

Audio/Video Doing weird things, with new Connections

I have a Logitech G430 USB headset, and whenever I seem to plug in a USB with things on it, or with nothing on it, I will get the Ping of a new connection then ALL audio shuts off. Not only that, if I ...
1
vote
0answers
27 views

Keeping Text Sharp whilst shrinking video size - Handbrake

I've recorded a bunch of videos using a high def webcam, and with a website overlay (think of a sports broadcast, with the score on the bottom of the screen). These videos are 720p avi's, but have a ...
1
vote
0answers
28 views

Fast & Accurate trimming of small parts from mp4 files

I am looking for a method to quickly trim around 2 frames from the edges of mp4 files. Using ffmpeg I am able to do that with the following, however i'd like something faster: ffmpeg -y -i myVid.mp4 ...
1
vote
0answers
66 views

Why does FFmpeg append blank black video to the end of my MP4 files when compressed from MOV?

I have several large MOV files that I want to compress to MP4. Unfortunately, when I use FFmpeg, it appends lots of black (blank) video at the end. (The destination file is longer than the source ...
1
vote
0answers
34 views

Quicktime killed my AVCHD file

I have a Sony DSC-HX50V photo camera. The system I have been using for video storage is this AVCHD thing, which consists of a big file storing all the videos. Using Quicktime under Mac OS 10.9.2, it ...
1
vote
0answers
55 views

Flux Disabling it for specific Windows/Monitors (VLC hardware overlay?)

F.lux is some color management application. My problem, with multiple monitors, is that I multitask. There are not distinct movie watching times, and coding/working/browser times; It is just all at ...
1
vote
0answers
17 views

Rotating display from the Linux kernel

I have a Freescale i.MX6 ARM development computer with a display I would like to mount in portrait mode. The display accepts a DVI input, which I'm driving with an HDMI output from the computer. I ...
1
vote
0answers
90 views

Possible to black out/dim second screen while using multiple displays in VLC 2.1.3 fullscreen mode?

Pardon if this is a duplicate, but I searched and could only find the reverse of my question. I remember VLC used to have an option to "not" black out the second screen when playing a video in ...
1
vote
0answers
41 views

Setting up an Ubuntu Linux scalable web video cluster

I'm in the process of setting up what I hope will be a robust and scalable video processing cluster for a website I'm creating. Currently, I am processing video uploads with FFMPEG on the same web ...
1
vote
0answers
66 views

Switch Flash Player / HTML5 to use front camera

I have a Lenovo Helix which has 2 cameras, front and rear. I need to take a picture of myself for a security verification on a site with a Flash player object to perform the capture. It's a similar ...
1
vote
0answers
15 views

Problems playing this video in a browser

I have tried playing this video in FF, Chrome, and IE, but it doesn't work. Any ideas? It appears to be using something called Flow player. If there is a Linux command line tool that will download and ...
1
vote
0answers
45 views

Block Youtube HD content on home network

I have a DSL connection that terminates into a "beetel 450tc2" Modem/Router. I have 2 laptops (Mac Book Pro and Windows 8) and about 5-6 Phones/Tabs connecting to this network over WiFi. My problem ...
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vote
0answers
21 views

Seekbar not working in Chrome

I have uploaded a video to my Windows Storage and noticed, that the seekbar (of the default Chrome's html5 player) is not working. Url of that video is: ...
1
vote
0answers
39 views

Bookmark manager for local (offline) video files

I have a directory with several video files and subdirectories with more video files. In this case, they are photoshop tutorials, but that's not entirely relevant. I need to bookmark several videos ...