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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1answer
12 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 ...
0
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0answers
4 views

Point Grey Firewire 1394 camera with OpenCV

I am trying to run face detection demo from OpenCV using firewire 1394 camera. While doing so I got the following error. Unable to stop the stream.: Bad file descriptor In capture ... ...
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0answers
38 views
+50

Why is VLC slower than MPV/MPlayer?

Every time I try to seek a local video with VLC, there is a noticable lag, as opposed to MPlayer/MPV, no matter what "ultrafast" x264 presets or loop filter skipping is used. What's the fundamental ...
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
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0answers
16 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 ...
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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 ...
0
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0answers
40 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
17 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
7k 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
20 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 ...
-1
votes
1answer
42 views

How to cut unwanted video parts and join the rest ones into one video using FFmpeg?

I have read about cutting and splicing using concat but this is not enough for me. I would like to cut marked video parts and join into single video file without re-encoding. Is it possible to cut ...
0
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0answers
6 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 ...
40
votes
16answers
79k views

How can I combine 30,000 images into a timelapse movie?

I have taken 30,000 still images that I want to combine into a timelapse movie. I have tried QuickTime Pro, TimeLapse 3, and Windows Movie Maker, but with such a huge amount of images, each of the ...
0
votes
1answer
16 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: ...
1
vote
1answer
35 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
11 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 ...
-2
votes
0answers
27 views

Watch youtube videos in command prompt

While browsing Linux Stack exchange Came across this question which helps to watch youtube videos in Linux terminal,this brought me few questions Is it possible to watch youtube videos on command ...
74
votes
6answers
16k 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
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3answers
2k 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
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0answers
11 views

High-resolution channels are permanently shown as zoomed in (iClass 9595x PVR) [on hold]

My question is a completely general one, regardless of any particular channels or countries or satellites. My rather old satellite receiver (iClass 9595x PVR) shows the full frame scope [every single ...
0
votes
1answer
16 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
2answers
7k views

MP4 video from Android phone can't be played in Windows

I took a video on my Samsung Galaxy S2 (Android), it's about 3GB and it can be played on the phone. But after transferring it to the PC is does not play when opened with VLC, QuickTime, Windows Media ...
0
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0answers
16 views

Find video duration after applying slow motion

I'm trying to have apply slow motion effect to a series of videos. And further those videos will be scaled, padded and cross-faded. Following is the command I'm using to apply slow motion. ffmpeg -i ...
0
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0answers
9 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
166 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 ...
1
vote
1answer
2k views

Can't stream videos even though I have fast internet

For some reason, despite having an internet connection that should easily handle it, I seem to be unable to stream HD videos from beginning to end. Specifically, I usually attempt to stream videos ...
-1
votes
0answers
21 views

How to control multiple instances of vlc media player

I want to play just two video files at once. I have enabled it in VLC Media Player. I need to know what to do if I want to pause/play these two instances at once. I have read about scripts, but I ...
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 ...
3
votes
1answer
11k views

Is it possible to download entire YouTube playlist using IDM?

I download youtube video using IDM. All I have to do is use Mozilla, install a some idm download plug in and there you go. You can see IDM "DOWNLOAD" label towards the top right corner, or you can ...
1
vote
1answer
33 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? [on hold]

Is there software that can generate subtitles based on the speech from the a video file (e.g. WMV, MPEG, etc)?
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0answers
32 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 ...
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votes
0answers
29 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
12 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 ...
3
votes
2answers
4k 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
2answers
4k views

How to repair video files?

I have a corrupted micro SD card. With huge trying I could to recover it's data using recuva tool, but now my files are corrupted also. They are video file with some famous extensions such as 3gp, ...
1
vote
0answers
23 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
302 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
3k 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
43 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
55 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
20 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
175 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
23 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 ...
1
vote
3answers
4k views

Widescreen resolution on old VIA UniChrome IGP?

I hooked an old Compaq Presario running Windows XP to an Acer 20" monitor capable of 1680x1050 resolution, because I need Windows to get into work from home and I want the screen real estate. But ...
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votes
0answers
19 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
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0answers
63 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 ...
6
votes
2answers
427 views

YouTube videos black, only audio in Firefox

When I play a YouTube video on my computer, it seems to play fine, but the whole video is black. This happens only when I play the video in Firefox. I'm using Windows 8.1 What I did so far: ...
5
votes
1answer
693 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 ...