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

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4
votes
0answers
98 views

Why will some YouTube videos not load in any browser on my system?

For an estimated 20% of all YouTube videos I try to watch on one of my computers, I cannot get them to buffer at all. I will get the loading spinner, until about a minute later the player will say ...
4
votes
0answers
38 views

Why do video players affect my GPU overclock?

I have a Sapphire Vapor-X Radeon HD7950 OC edition graphics card. It runs at 850 MHz using the regular BIOS and at 950 MHz using the Boost BIOS. I'm using the Boost BIOS. When computer boots, the ...
4
votes
0answers
1k views

YouTube pages unresponsive on Chrome

For one or two days now, whenever I open a YouTube page on Google Chrome, I have dialog boxes similar to this one : On this screenshot, the active tab is not the YouTube page, but the same bug ...
4
votes
0answers
693 views

How to merge MP4 files with different bitrates?

I want to merge two or three MP4 videos with MPEG-4 AVC video codec and MP3 (sometimes MP3 Surround) audio codecs. Both audio and video can have different bitrate. If it will be possible, without ...
4
votes
0answers
1k views

ffmpeg minimal requirements configuration for encoding and decoding h264 files

I'm trying to compile ffmpeg with minimal requirements in order to encode/decode with h264. So far my command line configuration is : ./configure --disable-yasm --disable-everything ...
3
votes
0answers
33 views

Looking for a PC video card for multiple video visualization

We have developed a blast furnace tuyere monitoring system using a C# WinForms application that displays up to 45 MJPEG video streams. Thoses streams appears in a mosaic view of thumbnails on a ...
3
votes
0answers
22 views

Windows 8.1 Video Screensaver shows grey film

I have a touch screen on display. I want the system to have a little video screen saver. I installed Windows Essentials so I would have this functionality. When trying to play the screensaver all I ...
3
votes
0answers
979 views

No HDMI Output, Video Lag, Windows 10

ive been looking for help to solve my issue for a week now ( since my windows 10 upgrade from win 8.1 ) and i do not want to do a clean install unless it is totally the last resource available, so i ...
3
votes
0answers
50 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 ...
3
votes
0answers
641 views

What does the FFmpeg warning “Missing picture in access unit with size x” mean?

I've recently updated to the most recent version of ffmpeg and now everytime I edit a flv, I always get endless warnings: [Null @ 002de180] Missing Missing picture in access unit with size xxxx ...
3
votes
0answers
2k 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 ...
3
votes
0answers
609 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
51 views

HDMI switcher causes screen to blink at 1440p on Windows

I use an HDMI switcher to easily switch my main monitor between my laptop and my desktop. It's a really simple standalone switcher with three HDMI inputs, one HDMI output, and an optional micro USB ...
2
votes
0answers
54 views

How do I remove hardcoded subtitles?

I have a video. There are hardcoded subtitles (chinese) in this video but I want to add my own english subtitles. How do I remove them? Is it possible to put a black rectangle over the subtitles and ...
2
votes
0answers
32 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? ...
2
votes
0answers
45 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 ...
2
votes
0answers
26 views

Any empirical length limits or caveats about MP4's of 7400 seconds?

I was investigating a curious issue I have with the playback of certain MP4 files on my BluRay player; in particular, it seemed files over two hours simply would not play (player locked up). As I ...
2
votes
0answers
38 views

irfanview show .mov videos in main window

I'm using irfanview as my main image viewer, however I'm a bit annoyed by the fact that .mov files (from my smartphone) are played in an external window (either quicktime or the other external video ...
2
votes
0answers
64 views

Get mplayer to display current time in hours and minutes

By default mplayer displays the current location in the video in seconds, which is less than useless. Example: A:4086.2 V:4086.2 A-V: 0.000 ct: 0.039 0/ 0 17% 2% 2.1% 3 0 ^--------^----- ...
2
votes
0answers
110 views

FFmpeg cuts off ~50ms when I extract+convert audio from video

I want to extract the audio stream from many .MOV files with ffmpeg. The goal is to have output files with small file size and perfectly equal sound to the input file. Currently I'm using this ...
2
votes
0answers
264 views

F4V to MP4 via FFMPEG (Bitrate viewer)

I have a several F4V that I've captured using Flash media Live Encoder and I need to convert them to MP4s. As I understand F4V are fairly identical to the MP4 format so we used "copy" for the video ...
2
votes
0answers
157 views

Is monitor suspending supported via a HDMI to DVI cable?

My computer has DVI and HDMI video outputs while I have two DVI monitors and a cheap HDMI to DVI cable. Both monitors go fine into and out of standby using DVI-to-DVI connection. Both also display ...
2
votes
0answers
569 views

FFMPEG create zoompan shaky or jittery

I want to create 5 second mp4 video from 1 image. When I use below code the video is smooth. Default direction is zoom in to top left. ffmpeg -loop 1 -i prop1.jpeg -vf ...
2
votes
0answers
391 views

Packets are not in the proper order with respect to DTS when using libx264 for video

I'm trying to use the following command to transcode one stream to a different format and send it over to RTMP server for live streaming. This is the command I am using: ffmpeg -f mxg -i ...
2
votes
0answers
275 views

I got a green overlay in my video when using multiply blend mode in ffmpeg

I´m trying to blend two videos with the multiply blend mode. But I got a green overlay in the resulting video. This is a image where are one frame of each input video and one frame of the resulting ...
2
votes
0answers
181 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 ...
2
votes
0answers
858 views

FFmpeg audio and video out of sync

I know there's a ton of questions on here about video and audio being out of sync when using ffmpeg, however I couldn't find a single one that solved my problem, so I'm hoping you all can help. I'm ...
2
votes
0answers
169 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
3k 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
813 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
104 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
521 views

Synchronise the playback of two different videos in VLC

So I have two different videos, which I want to play at the same and be able to pause, stop, rewind forward/backward, ... so that this happens on both of them at the same time. How could I achieve ...
2
votes
0answers
231 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
241 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
473 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
124 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
317 views

dynamic ffserver authentication

Ideally I'd like to just be able to add/remove a list of session keys to/from a text file stored on the server without restarting the ffserver instance, but am open to other solutions such as proxies ...
2
votes
0answers
930 views

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

I need to download about 30 seconds from the end of 50 different 30-minute long videos. Is there any way to do this without downloading the whole of each video?
2
votes
0answers
360 views

Why scrolling in Unity is faster than in Xmonad?

I noticed that when I use default Ubuntu's Unity, everything scrolls fast and smooth. By "everything" I mean web-browsers and vim in terminal when I browse source code. When I use xmonad it seems to ...
2
votes
0answers
491 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
223 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
1k views

FFMPEG - streaming a playlist of videos to RTMP

I'm aware that you can stream files to a video server using FFMPEG - something like the following. fmpeg -re -i localFile.mp4 -c copy -f flv rtmp://server/live/streamName Is anybody aware of ...
2
votes
0answers
985 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
473 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
3k 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
2k 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
241 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
364 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
161 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
42 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 ...