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

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0
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0answers
182 views

Random glitch while playing YouTube video

I often find myself getting this kind of random glitch while playing YouTube videos. It's either happen in the middle of a video (like the example above) or in the few first second of a video. When ...
0
votes
1answer
35 views

Clipped video using ffmpeg is shorter than expected

I'm trying to get a clip of length 6 secs from a MP4 video (size: 1.44 GB, length: 02:23:38). But video stream stops after 1 sec, while audio stream keeps playing normally until 6 secs. I'm using ...
1
vote
1answer
31 views

Converting OpenOffice Impress presentation to video without screen recording

how can I convert OO Impress presentation to video without setting up screen recording? The goal is to have a server that produces a MPEG stream with the presentation. I want to avoid screen recording ...
2
votes
2answers
2k views

How to get SubEdit under Windows 7 working?

I need SubEdit Player to run under Windows 7. But every time I try to start I get "Class not registered" error. Yes, I tried to install the Vista Patch, but doesn't work under Win 7. Anybody got any ...
0
votes
1answer
2k views

Cannot embed YouTube video in PowerPoint 2010

I'm trying to embed a YouTube video in a PowerPoint 2010 presentation on 32 bit Windows 7 Professional. I've followed the Microsoft directions to pick the "Use old embed code" option on YouTube, and ...
-1
votes
0answers
54 views

how to combine two videos in one, odd frame video 1, even frame video 2…on Linux

I have two videos of same length but different content, I want video one to be on even frames and video two to be on odd frames on the same video. Frame sequence: video1 frame 1 video2 frame 2 ...
2
votes
1answer
31 views

ffmpeg stream copy frame accuracy

I know this might not be possible, but I'd at least appreciate understanding what's going on. I have a video with forced keyframes every 2 seconds. Ideally, I was hoping I'd be able to get ...
1
vote
2answers
8k views

any way to recover corrupted mp4?

I have an mp4 file that seems to have gotten corrupted somehow: $ file HDV_1042.MP4 HDV_1042.MP4: data $ mediainfo HDV_1042.MP4 General Complete name : HDV_1042.MP4 File ...
0
votes
0answers
22 views

What all factors affect the ability of a video player to play a particular file?

I am trying to determine what all factors decide whether a file can be played by a particular video player, such as software or dvd player or TV with usb function or any media player. Are there other ...
0
votes
0answers
21 views

Stream video from Mac to OPPO BD player

I used to stream video from my PC to my OPPO BDP-103 player without any problem (I just go to "Network" on my OPPO and find the PC and the shared folder). Now I have a Mac as my main computer and I ...
0
votes
1answer
24 views

Repair missing keyframes in downloaded video stream

I downloaded a video using ffmpeg with the following characteristics: Input #0, mpegts, from 'video.ts': Duration: 00:27:59.76, start: 1.400000, bitrate: 714 kb/s Program 1 Metadata: ...
0
votes
1answer
73 views

How does VLC play youtube videos?

How does VLC open and play youtube videos? If you press Ctrl+N and enter the url of a youtube video, it loads for a few seconds and then plays the video. How does it parse the HTML code?
1
vote
0answers
15 views

Dual monitors on one screen in OSX Yosemite?

I am seeking a way to keep a permanenent small window in the corner of the screen that can show video, while working on multiple desktops (TotalSpaces 2), without the window getting affected. In the ...
74
votes
6answers
17k views

What are the differences of watching a 1080p and a 720p version of the same media on a 720p screen?

Say I have 1280x720 pixels on my screen and the current resolution is set to 1280x720 as well. What are the differences between the 1080p version and the 720p version of the same media? Is it ...
1
vote
3answers
3k views

Black screen when attempting to watch videos on cbs.com

As of about three weeks ago, I haven't been able to watch streaming videos from cbs.com. I don't remember making any changes to my system configuration around that time. When I try to load any ...
0
votes
1answer
17 views

ffmpeg - define exact time distance for images

I have a movie that is 3 minutes long and 29 image/sec. I want to split it into images by 1/second. I use this command: ffmpeg.exe -i FILE0014.MOV -r 2 -f image2 -vcodec mjpeg -qscale 2 "%%05d.jpg" ...
0
votes
0answers
21 views

avisynth - video framerate doesn't match (AssumeFPS - ChangeFPS)

I am trying to speed up only certain frames in a video without splitting it into several parts, here is the code that I used to do this AVISource("C:\Users\me\Desktop\source_10FPS.avi") # get the ...
0
votes
1answer
183 views

Set a custom preset for HandbrakeCLI?

I'm at a very long task at converting 800+ small files to mp4, and I'm using Handbrake at the moment. Its fast, but since there are many files, it takes a lot of time. I created a automator workflow ...
0
votes
1answer
1k views

Linux On-Demand Streaming Server

I'm looking for a server software for Linux, with which I can stream Video files via the network. I'd prefer a Software with a (web) GUI or one where you only have to point your media player to a ...
1
vote
1answer
44 views

How do I force GRUB to keep video mode after switching to the OS?

I use GRUB as a bootloader for my custom OS. I want it to enter graphics mode for me so I don’t have to do it myself in my system. However, before GRUB passes the control to the OS, video mode is ...
1
vote
1answer
18k views

Can I auto-generate subtitles from a video file? [closed]

Is there software that can generate subtitles based on the speech from the a video file (e.g. WMV, MPEG, etc)?
0
votes
0answers
36 views

Why does delaying audio in avi makes no sense?

I have an avi video which seem to have an audio delay of about 5.5 seconds. Therefore I used avconv to correct for this delay: avconv -i myfile.avi -itsoffset 5.5 -i myfile.avi -map 0:1 -map 1:0 ...
0
votes
0answers
59 views

How to fix a .mov file in hex editor from Photo Booth crash on OS X?

I was recording a ~4GB video using Photo Booth on OS X. The program terminated for some reason (unsure of whether it was computer sleep or something else). I have a corrupted file of about 4GB in ...
0
votes
1answer
24 views

Every video starts with black and messy screen in a while

When I start a video on my laptop it is messy in the first 4-5 seconds. It does not depend on where I play it, everywhere I get the same problem. The problem looks like this: I have a Toshiba ...
6
votes
2answers
7k views

Embedded YouTube videos don't go fullscreen in Facebook

I am using Chrome and this just happens in Facebook and just for YouTube videos (HTML5). When going fullscreen it shows the video in for a second and than the video disappears and I see the Facebook ...
1
vote
0answers
31 views

How to fix video and audio out-of-sync (sometimes)?

I have a avi video file which plays perfectly on Linux (using e.g. mplayer) and on one TV, but when using another TV the audio happens to be out-of-sync with the video by about 5 seconds! This does ...
1
vote
1answer
318 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 ...
0
votes
3answers
4k 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.
1
vote
1answer
60 views

Upscaling video with different filter on each side

I need scale up video from one DOS game using FFmpeg. But with Nearest-neighbor interpolation on left side and xBR filter on the other one. Input (320x200) Output (1280x800) Here is a command, ...
3
votes
1answer
80 views

youtube-dl : Downloading a youtube user's complete video collection

Previously, whenever I had to download a user's complete videos, I'd just use something like: youtube-dl -ciw ytuser:LinusTechTips But now this does not seem to work anymore. When I issue this ...
0
votes
0answers
22 views

ffmpeg, how to add new audio (mixing) in video [duplicate]

I want to add an audio file in video. The resultant video contain both the audios, first contain by video it self and second from audio file. Basically mix both the audios. Final video have two ...
2
votes
1answer
176 views

How to emphasize certain words in subtitles using mencoder?

I'm using "mencoder" application to add subtitles to an AVI file. In the subtitles, there are certain words I want to emphasize by making them appear either in bold or in italics. I've tried ...
0
votes
1answer
44 views

Muxing Audio Over Video Using Ffmpeg

So i have been through lots of tests and i still cannot seem to get audio to mux over video using ffmpeg and cannot figure where i am going wrong so would really appreciate some help. I have this ...
0
votes
0answers
20 views

How do I correct a video that is partially out of sync with its audio?

I recently recorded an MP4 video in which the audio is in sync for the first couple of minutes, but then abruptly falls out of sync for the remainder of the video. How can I fix the out-of-sync audio ...
1
vote
0answers
69 views

Trying to identify the cause of this display corruption

I don't actually know where the root cause of this issue lies or even how to accurately describe it so I will do my best to provide the details of the situation. Hopefully someone will have a better ...
5
votes
1answer
717 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 ...
3
votes
1answer
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 ...
1
vote
1answer
76 views

Problems with joining videos in FFmpeg with a cross-fade effect (buffer queue overflow, frames dropped)

I can successfully join a couple of videos into one (using this method) with a nice cross-fade effect in between, but the output video contains no audio. I'm using the -filter_complex command. I've ...
0
votes
0answers
17 views

How can I batch convert all of my video files to AAC audio without converting the video?

I've used XMedia Recode to do this and it works great. I set video to "copy", audio to "convert", and it takes 2 minutes for a 2GB file. There's two problems with it for batch work though. It doesn't ...
0
votes
1answer
30 views

Batch convert video files for upload to Flickr

I have hundreds of home video files in various formats (AVI, MP4, MOV, etc) in sub-folders in a \My Photos folder on my Windows 7 PC. I would like to upload all of these to my Flickr account. But ...
1
vote
0answers
27 views

What techniques can I use for audio and/or video chat that don't use SIP and complex layered architectures?

Point A few years ago a friend and I were messing around and we created a super-simple video chat link by running VLC twice on both our computers: one "watched" the local webcam and cloned the video ...
1
vote
1answer
95 views

Play mp4 video in Internet Explorer 11 with security level set to high

I am using the html5 tag to embed mp4 videos on a site. They play well in all browsers except on IE-11 but only when the security level is set to high (if security level downgrade to medium video ...
3
votes
1answer
73 views

FFMPEG filter to boxblur and greyscale a video using alpha mask

Can someone show me how to enhance the example found here: FFmpeg - Apply blur over face To do the following: Use an input alpha mask PNG instead of a declared rectangular region both blur and ...
0
votes
0answers
17 views

Blur or hide screen portion during realtime presentation

I am about to present my project tomorrow. Demonstrating the project involves showing account name to certain game, as my project manipulates that games launcher. Basically, I am about to present what ...
0
votes
1answer
1k views

FFMPEG “Past duration 0.xxxxxx too large”

I'm recording an HLS streaming and I would like to save in a FLV Container. My ffmpeg's cmd is: /.../recorder/class/ffmpeg-2.6.1-32bit-static/./ffmpeg -i http://server/url/playlist.m3u8 -b:a 128K ...
0
votes
2answers
15k views

Video not filling the screen in XBMC

I have XBMC running on a win 7 machine and I can't get it to totally fill the screen. There is always, on all media files, black bars on all four sides. any idea what I can try?
1
vote
1answer
120 views

What do I need for VLC to play mp4 video?

I'm trying to set up a Raspberry Pi as a media box that can stream from torrents using Peerflix. To test, I've set up a local tracker and one torrent containing an mp4 video. Peerflix is working ...
22
votes
7answers
13k views

How can I disable HTML5 content in popular browsers like Firefox and Chrome?

The bad thing about Flash video was that it required a third-party plugin to play the content. The good thing was I could select which content to play; using the click-to-play feature in Firefox and ...
0
votes
2answers
278 views

Concatinating mp4 files to a single mp4 file

I have some mp4 video files with me and i need to concatenate them one by one and make a single MP4 video file. I came to know about FFMPEG through which we can concat files. I tried doing ffmpeg ...
2
votes
0answers
24 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 ...