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

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8
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0answers
3k views

FFMPEG - Non-monotonous DTS

When I use FFMPEG to convert a video from MP4 to M3U8, using the following command, ffmpeg -i op.mp4 -b:v 128k -flags -global_header -map 0:0 -map 0:1 -f segment -segment_time 4 -segment_list_size 0 ...
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
478 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
133 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 ...
2
votes
0answers
157 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
130 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
363 views

Play AVCHD (.mts) in chrome (To work with a Chromecast)

I generally use the Mozilla plugin from VLC in order to play local video content within a chrome tab. This allows for casting to a Chromecast device. Although VLC is able to play AVCHD files, the ...
2
votes
0answers
401 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 ...
2
votes
0answers
99 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
1k views

How to redirect YouTube's videos URL (googlevideo.com) from http to https automatically?

I want to redirect http urls in youtube videos to https. youtube's videos are from googlevideo.com so I want to use https instead of http http://r8---sn-qxau5-btqs.googlevideo.com... to ...
2
votes
0answers
1k 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
540 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
85 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
150 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
154 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
349 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
82 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
260 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
293 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
171 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
719 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
331 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
551 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
193 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
282 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
153 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
38 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
266 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
296 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
679 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
470 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
1k 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
21 views

MPC-HC + AC3filter playing too fast with DTS-HD MA

Video plays too fast, as if fast forward was enabled. It used to happen with VFR MKV video, and was fixed with View > Render Settings > Presentation > Enable Frame Time Correction. This week this ...
1
vote
0answers
48 views

Manually add video file to Chrome cache

This might be a bit of an odd question considering most people want to do the opposite (i.e, save a video file to disk from cache), but I'm using CyTube (http://cytu.be/) to simulwatch shows with my ...
1
vote
0answers
30 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 ...
1
vote
0answers
55 views

How to disable widescreen video in Skype?

Since the latest (forced) update, Skype insists on displaying my video in widescreen (16:9) format. The problem with this is that it has a lower vertical resolution: in the old 4:3 mode, the video ...
1
vote
0answers
81 views

Jagged edges on HD HTML5 videos

For some reason, videos which have higher resolution than my monitor end up having jagged edges on HTML5 videos (on Vimeo, YouTube etc.). This does not seem to occur if the video is being played ...
1
vote
0answers
93 views

FFmpeg Upscaling Video

First I just want to say a bit more about my title, I am not referring to the fact that upscaling doesnt add data(as often asked when upscaling) - but something different. Example I have raw video ...
1
vote
0answers
14 views

DVD presence not detected until after Windows Update

I am running Windows 7 with Power DVD. I had a couple of DVDs and I googled to find that The Dark Knight Rises is particularly a frequent evidence the issue. When I insert the DVD into the drive, ...
1
vote
0answers
28 views

Is there multiple types of transitions in ffmpeg while merging two or more videos?

I have 3 video files. I am using ffmpeg library to merge them all. While merging them right now I am using fade In/Out transitions only. I want to enhance that feature in my site, can I do ...
1
vote
0answers
34 views

Terrible buzzing/screeching sound and frozen keyboard after playing video

I have a 3 year old PC laptop, and recently the following started to happen: When I'm watching videos online or from the hard drive, my computer freezes and makes this very unpleasant ...
1
vote
0answers
61 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 ...
1
vote
0answers
25 views

How can I select the most “steady” frames from a video with ffmpeg, where less motion occurs?

I would like to use ffmpeg to select out frames from a video to make a preview picture. In the past I selected out frames manually: I extracted 1000 frames at equidistant time and then I picked out ...
1
vote
0answers
36 views

How to check .mp4 file is corrupted or not.

I am recording two different videos in the .mp4 format using ffmpeg command and after that combining them. But sometimes one of the video is get corrupted because of that it will affecting on the ...
1
vote
0answers
93 views

Embed a Non-YouTube video in PowerPoint 2013

How can I embed a video from cnbc.com or foxnews.com in a PowerPoint 2013 presentation? I am aware of how to embed a YouTube video in PowerPoint 2013, but when I try to embed a video from any other ...
1
vote
0answers
30 views

Upscale any video-size while concatting multiple videos in ffmpeg

I already asked this question at Stack-Overflow, but they said I should post it here, so here it is: I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a ...
1
vote
0answers
164 views

Play two files in VLC dummy and give sout parameters to both of them

I want to add multiple files to VLC's web interface. And the commands below do exactly that. Two files are added to the VLC's web interface's playlist. But as you can see, that's not all I wanted - ...